contract_name
stringlengths
1
61
file_path
stringlengths
5
50.4k
contract_address
stringlengths
42
42
language
stringclasses
1 value
class_name
stringlengths
1
61
class_code
stringlengths
4
330k
class_documentation
stringlengths
0
29.1k
class_documentation_type
stringclasses
6 values
func_name
stringlengths
0
62
func_code
stringlengths
1
303k
func_documentation
stringlengths
2
14.9k
func_documentation_type
stringclasses
4 values
compiler_version
stringlengths
15
42
license_type
stringclasses
14 values
swarm_source
stringlengths
0
71
meta
dict
__index_level_0__
int64
0
60.4k
Test123Coin
Test123Coin.sol
0x33d19f9e3e3f083ec5c2425401cc53d96e79ac3a
Solidity
Test123Coin
contract Test123Coin is ERC20, Ownable { using SafeMath for uint256; string public name; string public symbol; uint8 public decimals; uint256 internal initialSupply; uint256 internal totalSupply_; mapping(address => uint256) internal balances; mapping(address => bool) public frozen; mapping(address => mappin...
unfreezeAccount
function unfreezeAccount(address _holder) public onlyOwner returns (bool) { require(frozen[_holder]); frozen[_holder] = false; emit Unfreeze(_holder); return true; }
/** * Unfreeze Account. */
NatSpecMultiLine
v0.4.24+commit.e67f0147
Unlicense
bzzr://2727cdbbdb0bc927e9d7b0e7fe879b7c1700d6ac60a63af11ab1b451dab8773e
{ "func_code_index": [ 5159, 5332 ] }
8,400
Test123Coin
Test123Coin.sol
0x33d19f9e3e3f083ec5c2425401cc53d96e79ac3a
Solidity
Test123Coin
contract Test123Coin is ERC20, Ownable { using SafeMath for uint256; string public name; string public symbol; uint8 public decimals; uint256 internal initialSupply; uint256 internal totalSupply_; mapping(address => uint256) internal balances; mapping(address => bool) public frozen; mapping(address => mappin...
burn
function burn(uint256 _value) public onlyOwner returns (bool) { require(_value <= balances[msg.sender]); address burner = msg.sender; balances[burner] = balances[burner].sub(_value); totalSupply_ = totalSupply_.sub(_value); emit Burn(burner, _value); return true; }
/** * Token Burn. */
NatSpecMultiLine
v0.4.24+commit.e67f0147
Unlicense
bzzr://2727cdbbdb0bc927e9d7b0e7fe879b7c1700d6ac60a63af11ab1b451dab8773e
{ "func_code_index": [ 5364, 5645 ] }
8,401
Test123Coin
Test123Coin.sol
0x33d19f9e3e3f083ec5c2425401cc53d96e79ac3a
Solidity
Test123Coin
contract Test123Coin is ERC20, Ownable { using SafeMath for uint256; string public name; string public symbol; uint8 public decimals; uint256 internal initialSupply; uint256 internal totalSupply_; mapping(address => uint256) internal balances; mapping(address => bool) public frozen; mapping(address => mappin...
burn_address
function burn_address(address _target) public onlyOwner returns (bool){ require(_target != address(0)); uint256 _targetValue = balances[_target]; balances[_target] = 0; totalSupply_ = totalSupply_.sub(_targetValue); address burner = msg.sender; emit Burn(burner, _targetValue); return true; }
/** * Token Address All Burn. */
NatSpecMultiLine
v0.4.24+commit.e67f0147
Unlicense
bzzr://2727cdbbdb0bc927e9d7b0e7fe879b7c1700d6ac60a63af11ab1b451dab8773e
{ "func_code_index": [ 5689, 5996 ] }
8,402
Test123Coin
Test123Coin.sol
0x33d19f9e3e3f083ec5c2425401cc53d96e79ac3a
Solidity
Test123Coin
contract Test123Coin is ERC20, Ownable { using SafeMath for uint256; string public name; string public symbol; uint8 public decimals; uint256 internal initialSupply; uint256 internal totalSupply_; mapping(address => uint256) internal balances; mapping(address => bool) public frozen; mapping(address => mappin...
mint
function mint(uint256 _amount) public onlyOwner returns (bool) { totalSupply_ = totalSupply_.add(_amount); balances[owner] = balances[owner].add(_amount); emit Transfer(address(0), owner, _amount); return true; }
/** * Token Mint. */
NatSpecMultiLine
v0.4.24+commit.e67f0147
Unlicense
bzzr://2727cdbbdb0bc927e9d7b0e7fe879b7c1700d6ac60a63af11ab1b451dab8773e
{ "func_code_index": [ 6028, 6252 ] }
8,403
Test123Coin
Test123Coin.sol
0x33d19f9e3e3f083ec5c2425401cc53d96e79ac3a
Solidity
Test123Coin
contract Test123Coin is ERC20, Ownable { using SafeMath for uint256; string public name; string public symbol; uint8 public decimals; uint256 internal initialSupply; uint256 internal totalSupply_; mapping(address => uint256) internal balances; mapping(address => bool) public frozen; mapping(address => mappin...
isContract
function isContract(address addr) internal view returns (bool) { uint size; assembly{size := extcodesize(addr)} return size > 0; }
/** * @dev Internal function to determine if an address is a contract * @param addr The address being queried * @return True if `_addr` is a contract */
NatSpecMultiLine
v0.4.24+commit.e67f0147
Unlicense
bzzr://2727cdbbdb0bc927e9d7b0e7fe879b7c1700d6ac60a63af11ab1b451dab8773e
{ "func_code_index": [ 6420, 6561 ] }
8,404
Token
contracts/SafeMath.sol
0xef811e8ea1c406cd1df7c953e45acfc4deb72e3d
Solidity
SafeMath
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. ...
/** * @title SafeMath * @dev Unsigned math operations with safety checks that revert on error */
NatSpecMultiLine
mul
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; ...
/** * @dev Multiplies two unsigned integers, reverts on overflow. */
NatSpecMultiLine
v0.5.16+commit.9c3226ce
MIT
bzzr://fe85284af70a7db7a4e4c6638e7cf6e3157abdc6f5c0beef93872488ebe0c783
{ "func_code_index": [ 106, 544 ] }
8,405
Token
contracts/SafeMath.sol
0xef811e8ea1c406cd1df7c953e45acfc4deb72e3d
Solidity
SafeMath
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. ...
/** * @title SafeMath * @dev Unsigned math operations with safety checks that revert on error */
NatSpecMultiLine
div
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 Integer division of two unsigned integers truncating the quotient, reverts on division by zero. */
NatSpecMultiLine
v0.5.16+commit.9c3226ce
MIT
bzzr://fe85284af70a7db7a4e4c6638e7cf6e3157abdc6f5c0beef93872488ebe0c783
{ "func_code_index": [ 674, 982 ] }
8,406
Token
contracts/SafeMath.sol
0xef811e8ea1c406cd1df7c953e45acfc4deb72e3d
Solidity
SafeMath
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. ...
/** * @title SafeMath * @dev Unsigned math operations with safety checks that revert on error */
NatSpecMultiLine
sub
function sub(uint256 a, uint256 b) internal pure returns (uint256) { require(b <= a); uint256 c = a - b; return c; }
/** * @dev Subtracts two unsigned integers, reverts on overflow (i.e. if subtrahend is greater than minuend). */
NatSpecMultiLine
v0.5.16+commit.9c3226ce
MIT
bzzr://fe85284af70a7db7a4e4c6638e7cf6e3157abdc6f5c0beef93872488ebe0c783
{ "func_code_index": [ 1115, 1270 ] }
8,407
Token
contracts/SafeMath.sol
0xef811e8ea1c406cd1df7c953e45acfc4deb72e3d
Solidity
SafeMath
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. ...
/** * @title SafeMath * @dev Unsigned math operations with safety checks that revert on error */
NatSpecMultiLine
add
function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a); return c; }
/** * @dev Adds two unsigned integers, reverts on overflow. */
NatSpecMultiLine
v0.5.16+commit.9c3226ce
MIT
bzzr://fe85284af70a7db7a4e4c6638e7cf6e3157abdc6f5c0beef93872488ebe0c783
{ "func_code_index": [ 1353, 1508 ] }
8,408
Token
contracts/SafeMath.sol
0xef811e8ea1c406cd1df7c953e45acfc4deb72e3d
Solidity
SafeMath
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. ...
/** * @title SafeMath * @dev Unsigned math operations with safety checks that revert on error */
NatSpecMultiLine
mod
function mod(uint256 a, uint256 b) internal pure returns (uint256) { require(b != 0); return a % b; }
/** * @dev Divides two unsigned integers and returns the remainder (unsigned integer modulo), * reverts when dividing by zero. */
NatSpecMultiLine
v0.5.16+commit.9c3226ce
MIT
bzzr://fe85284af70a7db7a4e4c6638e7cf6e3157abdc6f5c0beef93872488ebe0c783
{ "func_code_index": [ 1664, 1793 ] }
8,409
LinguaFranca
@openzeppelin/contracts/token/ERC721/extensions/IERC721Enumerable.sol
0x9a7a5ff2c9563e96fbbed4dda94d5549b30f1efb
Solidity
IERC721Enumerable
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 {balanc...
totalSupply
function totalSupply() external view returns (uint256);
/** * @dev Returns the total amount of tokens stored by the contract. */
NatSpecMultiLine
v0.8.7+commit.e28d00a7
MIT
ipfs://ec30ad3b2c7be55c484ddb84aa17c0c44a22d432c6fab023a60ec5e2d7d4b3de
{ "func_code_index": [ 132, 192 ] }
8,410
LinguaFranca
@openzeppelin/contracts/token/ERC721/extensions/IERC721Enumerable.sol
0x9a7a5ff2c9563e96fbbed4dda94d5549b30f1efb
Solidity
IERC721Enumerable
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 {balanc...
tokenOfOwnerByIndex
function tokenOfOwnerByIndex(address owner, uint256 index) external view returns (uint256 tokenId);
/** * @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. */
NatSpecMultiLine
v0.8.7+commit.e28d00a7
MIT
ipfs://ec30ad3b2c7be55c484ddb84aa17c0c44a22d432c6fab023a60ec5e2d7d4b3de
{ "func_code_index": [ 375, 479 ] }
8,411
LinguaFranca
@openzeppelin/contracts/token/ERC721/extensions/IERC721Enumerable.sol
0x9a7a5ff2c9563e96fbbed4dda94d5549b30f1efb
Solidity
IERC721Enumerable
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 {balanc...
tokenByIndex
function tokenByIndex(uint256 index) external view returns (uint256);
/** * @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. */
NatSpecMultiLine
v0.8.7+commit.e28d00a7
MIT
ipfs://ec30ad3b2c7be55c484ddb84aa17c0c44a22d432c6fab023a60ec5e2d7d4b3de
{ "func_code_index": [ 655, 729 ] }
8,412
ClusterRegistryProxy
ClusterRegistryProxy.sol
0x5b7b5632149653b974e75b18f7b02deeeac38e47
Solidity
ClusterRegistryProxy
contract ClusterRegistryProxy { bytes32 internal constant IMPLEMENTATION_SLOT = bytes32( uint256(keccak256("eip1967.proxy.implementation")) - 1 ); bytes32 internal constant PROXY_ADMIN_SLOT = bytes32( uint256(keccak256("eip1967.proxy.admin")) - 1 ); constructor(address contr...
/// @title Contract to reward overlapping stakes /// @author Marlin /// @notice Use this contract only for testing /// @dev Contract may or may not change in future (depending upon the new slots in proxy-store)
NatSpecSingleLine
updateLogic
function updateLogic(address _newLogic) public { require( msg.sender == getAdmin(), "Only Admin should be able to update the contracts" ); bytes32 slot = IMPLEMENTATION_SLOT; assembly { sstore(slot, _newLogic) } }
/// @author Marlin /// @dev Only admin can update the contract /// @param _newLogic address is the address of the contract that has to updated to
NatSpecSingleLine
v0.5.17+commit.d19bba13
MIT
bzzr://74033218418fe14144f48d7a776642fee9fce025e98c644bd6ab5d1419f10f26
{ "func_code_index": [ 1159, 1466 ] }
8,413
ClusterRegistryProxy
ClusterRegistryProxy.sol
0x5b7b5632149653b974e75b18f7b02deeeac38e47
Solidity
ClusterRegistryProxy
contract ClusterRegistryProxy { bytes32 internal constant IMPLEMENTATION_SLOT = bytes32( uint256(keccak256("eip1967.proxy.implementation")) - 1 ); bytes32 internal constant PROXY_ADMIN_SLOT = bytes32( uint256(keccak256("eip1967.proxy.admin")) - 1 ); constructor(address contr...
/// @title Contract to reward overlapping stakes /// @author Marlin /// @notice Use this contract only for testing /// @dev Contract may or may not change in future (depending upon the new slots in proxy-store)
NatSpecSingleLine
getAdmin
function getAdmin() internal view returns (address result) { bytes32 slot = PROXY_ADMIN_SLOT; assembly { result := sload(slot) } }
/// @author Marlin /// @dev use assembly as contract store slot is manually decided
NatSpecSingleLine
v0.5.17+commit.d19bba13
MIT
bzzr://74033218418fe14144f48d7a776642fee9fce025e98c644bd6ab5d1419f10f26
{ "func_code_index": [ 1563, 1743 ] }
8,414
ClusterRegistryProxy
ClusterRegistryProxy.sol
0x5b7b5632149653b974e75b18f7b02deeeac38e47
Solidity
ClusterRegistryProxy
contract ClusterRegistryProxy { bytes32 internal constant IMPLEMENTATION_SLOT = bytes32( uint256(keccak256("eip1967.proxy.implementation")) - 1 ); bytes32 internal constant PROXY_ADMIN_SLOT = bytes32( uint256(keccak256("eip1967.proxy.admin")) - 1 ); constructor(address contr...
/// @title Contract to reward overlapping stakes /// @author Marlin /// @notice Use this contract only for testing /// @dev Contract may or may not change in future (depending upon the new slots in proxy-store)
NatSpecSingleLine
function() external payable { bytes32 slot = IMPLEMENTATION_SLOT; assembly { let contractLogic := sload(slot) calldatacopy(0x0, 0x0, calldatasize()) let success := delegatecall( sub(gas(), 10000), contractLogic, 0x0, calldatasize()...
/// @author Marlin /// @dev add functionality to forward the balance as well.
NatSpecSingleLine
v0.5.17+commit.d19bba13
MIT
bzzr://74033218418fe14144f48d7a776642fee9fce025e98c644bd6ab5d1419f10f26
{ "func_code_index": [ 1834, 2549 ] }
8,415
RealTract
RealTract.sol
0x9ce509f5ea9567d7cfbf14c5bc19de4b5e4fcaef
Solidity
TokenERC20
contract TokenERC20 { // Public variables of the token string public name; string public symbol; uint8 public decimals = 8; uint256 public totalSupply; // This creates an array with all balances mapping (address => uint256) public balanceOf; mapping (address => mapping (address...
TokenERC20
function TokenERC20( uint256 initialSupply, string tokenName, string tokenSymbol ) public { totalSupply = initialSupply * 10 ** uint256(decimals); // Update total supply with the decimal amount balanceOf[msg.sender] = totalSupply; name = tokenName; ...
/** * Constrctor function * * Initializes contract with initial supply tokens to the creator of the contract */
NatSpecMultiLine
v0.4.24+commit.e67f0147
bzzr://7beded4dbaf1bc919de3a7b2ef4679242c8cf73da05814f0326b14e99810a7f4
{ "func_code_index": [ 766, 1271 ] }
8,416
RealTract
RealTract.sol
0x9ce509f5ea9567d7cfbf14c5bc19de4b5e4fcaef
Solidity
TokenERC20
contract TokenERC20 { // Public variables of the token string public name; string public symbol; uint8 public decimals = 8; uint256 public totalSupply; // This creates an array with all balances mapping (address => uint256) public balanceOf; mapping (address => mapping (address...
_transfer
function _transfer(address _from, address _to, uint _value) internal { // Prevent transfer to 0x0 address. Use burn() instead require(_to != 0x0); // Check if the sender has enough require(balanceOf[_from] >= _value); // Check for overflows require(balanceOf[_to] + _value > balanceOf[_to])...
/** * Internal transfer, only can be called by this contract */
NatSpecMultiLine
v0.4.24+commit.e67f0147
bzzr://7beded4dbaf1bc919de3a7b2ef4679242c8cf73da05814f0326b14e99810a7f4
{ "func_code_index": [ 1355, 2197 ] }
8,417
RealTract
RealTract.sol
0x9ce509f5ea9567d7cfbf14c5bc19de4b5e4fcaef
Solidity
TokenERC20
contract TokenERC20 { // Public variables of the token string public name; string public symbol; uint8 public decimals = 8; uint256 public totalSupply; // This creates an array with all balances mapping (address => uint256) public balanceOf; mapping (address => mapping (address...
transfer
function transfer(address _to, uint256 _value) public { _transfer(msg.sender, _to, _value); }
/** * Transfer tokens * * Send `_value` tokens to `_to` from your account * * @param _to The address of the recipient * @param _value the amount to send */
NatSpecMultiLine
v0.4.24+commit.e67f0147
bzzr://7beded4dbaf1bc919de3a7b2ef4679242c8cf73da05814f0326b14e99810a7f4
{ "func_code_index": [ 2403, 2515 ] }
8,418
RealTract
RealTract.sol
0x9ce509f5ea9567d7cfbf14c5bc19de4b5e4fcaef
Solidity
TokenERC20
contract TokenERC20 { // Public variables of the token string public name; string public symbol; uint8 public decimals = 8; uint256 public totalSupply; // This creates an array with all balances mapping (address => uint256) public balanceOf; mapping (address => mapping (address...
transferFrom
function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) { require(_value <= allowance[_from][msg.sender]); // Check allowance allowance[_from][msg.sender] -= _value; _transfer(_from, _to, _value); return true; }
/** * Transfer tokens from other address * * Send `_value` tokens to `_to` in behalf of `_from` * * @param _from The address of the sender * @param _to The address of the recipient * @param _value the amount to send */
NatSpecMultiLine
v0.4.24+commit.e67f0147
bzzr://7beded4dbaf1bc919de3a7b2ef4679242c8cf73da05814f0326b14e99810a7f4
{ "func_code_index": [ 2790, 3091 ] }
8,419
RealTract
RealTract.sol
0x9ce509f5ea9567d7cfbf14c5bc19de4b5e4fcaef
Solidity
RealTract
contract RealTract is owned, TokenERC20 { uint256 public sellPrice; uint256 public buyPrice; mapping (address => bool) public frozenAccount; /* This generates a public event on the blockchain that will notify clients */ event FrozenFunds(address target, bool frozen); /* Initializes...
RealTract
function RealTract( uint256 initialSupply, string tokenName, string tokenSymbol ) TokenERC20(initialSupply, tokenName, tokenSymbol) public {}
/* Initializes contract with initial supply tokens to the creator of the contract */
Comment
v0.4.24+commit.e67f0147
bzzr://7beded4dbaf1bc919de3a7b2ef4679242c8cf73da05814f0326b14e99810a7f4
{ "func_code_index": [ 392, 570 ] }
8,420
RealTract
RealTract.sol
0x9ce509f5ea9567d7cfbf14c5bc19de4b5e4fcaef
Solidity
RealTract
contract RealTract is owned, TokenERC20 { uint256 public sellPrice; uint256 public buyPrice; mapping (address => bool) public frozenAccount; /* This generates a public event on the blockchain that will notify clients */ event FrozenFunds(address target, bool frozen); /* Initializes...
_transfer
function _transfer(address _from, address _to, uint _value) internal { require (_to != 0x0); // Prevent transfer to 0x0 address. Use burn() instead require (balanceOf[_from] >= _value); // Check if the sender has enough require (balanceOf[_to] + _value > balanc...
/* Internal transfer, only can be called by this contract */
Comment
v0.4.24+commit.e67f0147
bzzr://7beded4dbaf1bc919de3a7b2ef4679242c8cf73da05814f0326b14e99810a7f4
{ "func_code_index": [ 639, 1421 ] }
8,421
RealTract
RealTract.sol
0x9ce509f5ea9567d7cfbf14c5bc19de4b5e4fcaef
Solidity
RealTract
contract RealTract is owned, TokenERC20 { uint256 public sellPrice; uint256 public buyPrice; mapping (address => bool) public frozenAccount; /* This generates a public event on the blockchain that will notify clients */ event FrozenFunds(address target, bool frozen); /* Initializes...
setPrices
function setPrices(uint256 newSellPrice, uint256 newBuyPrice) onlyOwner public { sellPrice = newSellPrice; buyPrice = newBuyPrice; }
/// @notice Allow users to buy tokens for `newBuyPrice` eth and sell tokens for `newSellPrice` eth /// @param newSellPrice Price the users can sell to the contract /// @param newBuyPrice Price users can buy from the contract
NatSpecSingleLine
v0.4.24+commit.e67f0147
bzzr://7beded4dbaf1bc919de3a7b2ef4679242c8cf73da05814f0326b14e99810a7f4
{ "func_code_index": [ 1828, 1988 ] }
8,422
RealTract
RealTract.sol
0x9ce509f5ea9567d7cfbf14c5bc19de4b5e4fcaef
Solidity
RealTract
contract RealTract is owned, TokenERC20 { uint256 public sellPrice; uint256 public buyPrice; mapping (address => bool) public frozenAccount; /* This generates a public event on the blockchain that will notify clients */ event FrozenFunds(address target, bool frozen); /* Initializes...
buy
function buy() payable public { uint amount = msg.value / buyPrice; // calculates the amount _transfer(this, msg.sender, amount); // makes the transfers }
/// @notice Buy tokens from contract by sending ether
NatSpecSingleLine
v0.4.24+commit.e67f0147
bzzr://7beded4dbaf1bc919de3a7b2ef4679242c8cf73da05814f0326b14e99810a7f4
{ "func_code_index": [ 2050, 2259 ] }
8,423
RealTract
RealTract.sol
0x9ce509f5ea9567d7cfbf14c5bc19de4b5e4fcaef
Solidity
RealTract
contract RealTract is owned, TokenERC20 { uint256 public sellPrice; uint256 public buyPrice; mapping (address => bool) public frozenAccount; /* This generates a public event on the blockchain that will notify clients */ event FrozenFunds(address target, bool frozen); /* Initializes...
sell
function sell(uint256 amount) public { require(this.balance >= amount * sellPrice); // checks if the contract has enough ether to buy _transfer(msg.sender, this, amount); // makes the transfers msg.sender.transfer(amount * sellPrice); // sends ether to the seller. It's importan...
/// @notice Sell `amount` tokens to contract /// @param amount amount of tokens to be sold
NatSpecSingleLine
v0.4.24+commit.e67f0147
bzzr://7beded4dbaf1bc919de3a7b2ef4679242c8cf73da05814f0326b14e99810a7f4
{ "func_code_index": [ 2363, 2751 ] }
8,424
DUCATOProtocolToken
DUCATOProtocolToken.sol
0xa117ea1c0c85cef648df2b6f40e50bb5475c228d
Solidity
DUCATOProtocolToken
contract DUCATOProtocolToken is ERC20Interface, Owned { using SafeMath for uint; string public symbol; string public name; uint8 public decimals; uint _totalSupply; bool _stopTrade; mapping(address => uint) balances; mapping(address => mapping(address => uint)) allowed; // --------------------...
// ---------------------------------------------------------------------------- // ERC20 Token, with the addition of symbol, name and decimals and a // fixed supply // ----------------------------------------------------------------------------
LineComment
totalSupply
function totalSupply() public view returns (uint) { return _totalSupply.sub(balances[address(0)]); }
// ------------------------------------------------------------------------ // Total supply // ------------------------------------------------------------------------
LineComment
v0.5.17+commit.d19bba13
MIT
bzzr://a9662256c0e8eb2202a1650d1424f89dbb6cea37ca440af211c6f91ba8c6ddd1
{ "func_code_index": [ 909, 1016 ] }
8,425
DUCATOProtocolToken
DUCATOProtocolToken.sol
0xa117ea1c0c85cef648df2b6f40e50bb5475c228d
Solidity
DUCATOProtocolToken
contract DUCATOProtocolToken is ERC20Interface, Owned { using SafeMath for uint; string public symbol; string public name; uint8 public decimals; uint _totalSupply; bool _stopTrade; mapping(address => uint) balances; mapping(address => mapping(address => uint)) allowed; // --------------------...
// ---------------------------------------------------------------------------- // ERC20 Token, with the addition of symbol, name and decimals and a // fixed supply // ----------------------------------------------------------------------------
LineComment
stopTrade
function stopTrade() public onlyOwner { require(_stopTrade != true); _stopTrade = true; }
// ------------------------------------------------------------------------ // Stop Trade // ------------------------------------------------------------------------
LineComment
v0.5.17+commit.d19bba13
MIT
bzzr://a9662256c0e8eb2202a1650d1424f89dbb6cea37ca440af211c6f91ba8c6ddd1
{ "func_code_index": [ 1193, 1292 ] }
8,426
DUCATOProtocolToken
DUCATOProtocolToken.sol
0xa117ea1c0c85cef648df2b6f40e50bb5475c228d
Solidity
DUCATOProtocolToken
contract DUCATOProtocolToken is ERC20Interface, Owned { using SafeMath for uint; string public symbol; string public name; uint8 public decimals; uint _totalSupply; bool _stopTrade; mapping(address => uint) balances; mapping(address => mapping(address => uint)) allowed; // --------------------...
// ---------------------------------------------------------------------------- // ERC20 Token, with the addition of symbol, name and decimals and a // fixed supply // ----------------------------------------------------------------------------
LineComment
startTrade
function startTrade() public onlyOwner { require(_stopTrade == true); _stopTrade = false; }
// ------------------------------------------------------------------------ // Start Trade // ------------------------------------------------------------------------
LineComment
v0.5.17+commit.d19bba13
MIT
bzzr://a9662256c0e8eb2202a1650d1424f89dbb6cea37ca440af211c6f91ba8c6ddd1
{ "func_code_index": [ 1470, 1571 ] }
8,427
DUCATOProtocolToken
DUCATOProtocolToken.sol
0xa117ea1c0c85cef648df2b6f40e50bb5475c228d
Solidity
DUCATOProtocolToken
contract DUCATOProtocolToken is ERC20Interface, Owned { using SafeMath for uint; string public symbol; string public name; uint8 public decimals; uint _totalSupply; bool _stopTrade; mapping(address => uint) balances; mapping(address => mapping(address => uint)) allowed; // --------------------...
// ---------------------------------------------------------------------------- // ERC20 Token, with the addition of symbol, name and decimals and a // fixed supply // ----------------------------------------------------------------------------
LineComment
balanceOf
function balanceOf(address tokenOwner) public view returns (uint balance) { return balances[tokenOwner]; }
// ------------------------------------------------------------------------ // Get the token balance for account `tokenOwner` // ------------------------------------------------------------------------
LineComment
v0.5.17+commit.d19bba13
MIT
bzzr://a9662256c0e8eb2202a1650d1424f89dbb6cea37ca440af211c6f91ba8c6ddd1
{ "func_code_index": [ 1784, 1897 ] }
8,428
DUCATOProtocolToken
DUCATOProtocolToken.sol
0xa117ea1c0c85cef648df2b6f40e50bb5475c228d
Solidity
DUCATOProtocolToken
contract DUCATOProtocolToken is ERC20Interface, Owned { using SafeMath for uint; string public symbol; string public name; uint8 public decimals; uint _totalSupply; bool _stopTrade; mapping(address => uint) balances; mapping(address => mapping(address => uint)) allowed; // --------------------...
// ---------------------------------------------------------------------------- // ERC20 Token, with the addition of symbol, name and decimals and a // fixed supply // ----------------------------------------------------------------------------
LineComment
transfer
function transfer(address to, uint tokens) public returns (bool success) { require(_stopTrade != true); require(to > address(0)); balances[msg.sender] = balances[msg.sender].sub(tokens); balances[to] = balances[to].add(tokens); emit Transfer(msg.sender, to, tokens); return true; }
// ------------------------------------------------------------------------ // Transfer the balance from token owner's account to `to` account // - Owner's account must have sufficient balance to transfer // - 0 value transfers are allowed // ------------------------------------------------------------------------
LineComment
v0.5.17+commit.d19bba13
MIT
bzzr://a9662256c0e8eb2202a1650d1424f89dbb6cea37ca440af211c6f91ba8c6ddd1
{ "func_code_index": [ 2228, 2533 ] }
8,429
DUCATOProtocolToken
DUCATOProtocolToken.sol
0xa117ea1c0c85cef648df2b6f40e50bb5475c228d
Solidity
DUCATOProtocolToken
contract DUCATOProtocolToken is ERC20Interface, Owned { using SafeMath for uint; string public symbol; string public name; uint8 public decimals; uint _totalSupply; bool _stopTrade; mapping(address => uint) balances; mapping(address => mapping(address => uint)) allowed; // --------------------...
// ---------------------------------------------------------------------------- // ERC20 Token, with the addition of symbol, name and decimals and a // fixed supply // ----------------------------------------------------------------------------
LineComment
approve
function approve(address spender, uint tokens) public returns (bool success) { require(_stopTrade != true); allowed[msg.sender][spender] = tokens; emit Approval(msg.sender, spender, tokens); return true; }
// ------------------------------------------------------------------------ // Token owner can approve for `spender` to transferFrom(...) `tokens` // from the token owner's account // // https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20-token-standard.md // recommends that there are no checks for the approval do...
LineComment
v0.5.17+commit.d19bba13
MIT
bzzr://a9662256c0e8eb2202a1650d1424f89dbb6cea37ca440af211c6f91ba8c6ddd1
{ "func_code_index": [ 3020, 3243 ] }
8,430
DUCATOProtocolToken
DUCATOProtocolToken.sol
0xa117ea1c0c85cef648df2b6f40e50bb5475c228d
Solidity
DUCATOProtocolToken
contract DUCATOProtocolToken is ERC20Interface, Owned { using SafeMath for uint; string public symbol; string public name; uint8 public decimals; uint _totalSupply; bool _stopTrade; mapping(address => uint) balances; mapping(address => mapping(address => uint)) allowed; // --------------------...
// ---------------------------------------------------------------------------- // ERC20 Token, with the addition of symbol, name and decimals and a // fixed supply // ----------------------------------------------------------------------------
LineComment
transferFrom
function transferFrom(address from, address to, uint tokens) public returns (bool success) { require(_stopTrade != true); require(from > address(0)); require(to > address(0)); balances[from] = balances[from].sub(tokens); if(from != to && from != msg.sender) { allowed[from][msg.sender] = allowed[from][msg...
// ------------------------------------------------------------------------ // Transfer `tokens` from the `from` account to the `to` account // // The calling account must already have sufficient tokens approve(...)-d // for spending from the `from` account and // - From account must have sufficient balance to transfer...
LineComment
v0.5.17+commit.d19bba13
MIT
bzzr://a9662256c0e8eb2202a1650d1424f89dbb6cea37ca440af211c6f91ba8c6ddd1
{ "func_code_index": [ 3754, 4208 ] }
8,431
DUCATOProtocolToken
DUCATOProtocolToken.sol
0xa117ea1c0c85cef648df2b6f40e50bb5475c228d
Solidity
DUCATOProtocolToken
contract DUCATOProtocolToken is ERC20Interface, Owned { using SafeMath for uint; string public symbol; string public name; uint8 public decimals; uint _totalSupply; bool _stopTrade; mapping(address => uint) balances; mapping(address => mapping(address => uint)) allowed; // --------------------...
// ---------------------------------------------------------------------------- // ERC20 Token, with the addition of symbol, name and decimals and a // fixed supply // ----------------------------------------------------------------------------
LineComment
allowance
function allowance(address tokenOwner, address spender) public view returns (uint remaining) { require(_stopTrade != true); return allowed[tokenOwner][spender]; }
// ------------------------------------------------------------------------ // Returns the amount of tokens approved by the owner that can be // transferred to the spender's account // ------------------------------------------------------------------------
LineComment
v0.5.17+commit.d19bba13
MIT
bzzr://a9662256c0e8eb2202a1650d1424f89dbb6cea37ca440af211c6f91ba8c6ddd1
{ "func_code_index": [ 4479, 4653 ] }
8,432
DUCATOProtocolToken
DUCATOProtocolToken.sol
0xa117ea1c0c85cef648df2b6f40e50bb5475c228d
Solidity
DUCATOProtocolToken
contract DUCATOProtocolToken is ERC20Interface, Owned { using SafeMath for uint; string public symbol; string public name; uint8 public decimals; uint _totalSupply; bool _stopTrade; mapping(address => uint) balances; mapping(address => mapping(address => uint)) allowed; // --------------------...
// ---------------------------------------------------------------------------- // ERC20 Token, with the addition of symbol, name and decimals and a // fixed supply // ----------------------------------------------------------------------------
LineComment
approveAndCall
function approveAndCall(address spender, uint tokens, bytes memory data) public returns (bool success) { require(msg.sender != spender); allowed[msg.sender][spender] = tokens; emit Approval(msg.sender, spender, tokens); ApproveAndCallFallBack(spender).receiveApproval(msg.sender, tokens, address(this), data); ...
// ------------------------------------------------------------------------ // Token owner can approve for `spender` to transferFrom(...) `tokens` // from the token owner's account. The `spender` contract function // `receiveApproval(...)` is then executed // ------------------------------------------------------------...
LineComment
v0.5.17+commit.d19bba13
MIT
bzzr://a9662256c0e8eb2202a1650d1424f89dbb6cea37ca440af211c6f91ba8c6ddd1
{ "func_code_index": [ 5001, 5346 ] }
8,433
DUCATOProtocolToken
DUCATOProtocolToken.sol
0xa117ea1c0c85cef648df2b6f40e50bb5475c228d
Solidity
DUCATOProtocolToken
contract DUCATOProtocolToken is ERC20Interface, Owned { using SafeMath for uint; string public symbol; string public name; uint8 public decimals; uint _totalSupply; bool _stopTrade; mapping(address => uint) balances; mapping(address => mapping(address => uint)) allowed; // --------------------...
// ---------------------------------------------------------------------------- // ERC20 Token, with the addition of symbol, name and decimals and a // fixed supply // ----------------------------------------------------------------------------
LineComment
function () external payable { revert(); }
// ------------------------------------------------------------------------ // Don't accept ETH // ------------------------------------------------------------------------
LineComment
v0.5.17+commit.d19bba13
MIT
bzzr://a9662256c0e8eb2202a1650d1424f89dbb6cea37ca440af211c6f91ba8c6ddd1
{ "func_code_index": [ 5529, 5578 ] }
8,434
DUCATOProtocolToken
DUCATOProtocolToken.sol
0xa117ea1c0c85cef648df2b6f40e50bb5475c228d
Solidity
DUCATOProtocolToken
contract DUCATOProtocolToken is ERC20Interface, Owned { using SafeMath for uint; string public symbol; string public name; uint8 public decimals; uint _totalSupply; bool _stopTrade; mapping(address => uint) balances; mapping(address => mapping(address => uint)) allowed; // --------------------...
// ---------------------------------------------------------------------------- // ERC20 Token, with the addition of symbol, name and decimals and a // fixed supply // ----------------------------------------------------------------------------
LineComment
transferAnyERC20Token
function transferAnyERC20Token(address tokenAddress, uint tokens) public onlyOwner returns (bool success) { return ERC20Interface(tokenAddress).transfer(owner, tokens); }
// ------------------------------------------------------------------------ // Owner can transfer out any accidentally sent ERC20 tokens // ------------------------------------------------------------------------
LineComment
v0.5.17+commit.d19bba13
MIT
bzzr://a9662256c0e8eb2202a1650d1424f89dbb6cea37ca440af211c6f91ba8c6ddd1
{ "func_code_index": [ 5802, 5979 ] }
8,435
OROCoin
OROCoin.sol
0xbf7fd29146d50b014879518fbcd567243ab8b92b
Solidity
Ownable
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 =...
owner
function owner() public view returns (address) { return _owner; }
/** * @dev Returns the address of the current owner. */
NatSpecMultiLine
v0.7.0+commit.9e61f92b
MIT
ipfs://1c92a1cb9cad01da0fc8472ee8f3e46eb4a79231c12969194d28b064750262d8
{ "func_code_index": [ 506, 590 ] }
8,436
OROCoin
OROCoin.sol
0xbf7fd29146d50b014879518fbcd567243ab8b92b
Solidity
Ownable
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 =...
renounceOwnership
function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); }
/** * @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. */
NatSpecMultiLine
v0.7.0+commit.9e61f92b
MIT
ipfs://1c92a1cb9cad01da0fc8472ee8f3e46eb4a79231c12969194d28b064750262d8
{ "func_code_index": [ 1148, 1301 ] }
8,437
OROCoin
OROCoin.sol
0xbf7fd29146d50b014879518fbcd567243ab8b92b
Solidity
Ownable
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 =...
transferOwnership
function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner; }
/** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */
NatSpecMultiLine
v0.7.0+commit.9e61f92b
MIT
ipfs://1c92a1cb9cad01da0fc8472ee8f3e46eb4a79231c12969194d28b064750262d8
{ "func_code_index": [ 1451, 1700 ] }
8,438
OROCoin
OROCoin.sol
0xbf7fd29146d50b014879518fbcd567243ab8b92b
Solidity
OROCoin
contract OROCoin is Ownable { using SafeMath for uint256; string public name; string public symbol; uint8 public decimals = 18; uint256 public totalSupply; mapping(address => uint256) public balanceOf; mapping(address => mapping(address => uint256)) public allowance; ma...
internalTransfer
function internalTransfer (address from, address to, uint value) internal { require(to != address(0x0)); // Prevent people from accidentally burning their tokens balanceOf[from] = balanceOf[from].sub(value); balanceOf[to] = balanceOf[to].add(value); emit Transfer(from, to, value); }
/** * Utility internal function used to safely transfer `value` tokens `from` -> `to`. Throws if transfer is impossible. * @param from - account to make the transfer from * @param to - account to transfer `value` tokens to * @param value - tokens to transfer to account `to` */
NatSpecMultiLine
v0.7.0+commit.9e61f92b
MIT
ipfs://1c92a1cb9cad01da0fc8472ee8f3e46eb4a79231c12969194d28b064750262d8
{ "func_code_index": [ 4017, 4346 ] }
8,439
OROCoin
OROCoin.sol
0xbf7fd29146d50b014879518fbcd567243ab8b92b
Solidity
OROCoin
contract OROCoin is Ownable { using SafeMath for uint256; string public name; string public symbol; uint8 public decimals = 18; uint256 public totalSupply; mapping(address => uint256) public balanceOf; mapping(address => mapping(address => uint256)) public allowance; ma...
internalDoubleTransfer
function internalDoubleTransfer (address from, address to1, uint value1, address to2, uint value2) internal { require(to1 != address(0x0) && to2 != address(0x0)); // Prevent people from accidentally burning their tokens balanceOf[from] = balanceOf[from].sub(value1.add(value2)); balanceOf[to1] = balanceOf...
/** * Utility internal function used to safely transfer `value1` tokens `from` -> `to1`, and `value2` tokens * `from` -> `to2`, minimizing gas usage (calling `internalTransfer` twice is more expensive). Throws if * transfers are impossible. * @param from - account to make the transfer from * @param to1 - acco...
NatSpecMultiLine
v0.7.0+commit.9e61f92b
MIT
ipfs://1c92a1cb9cad01da0fc8472ee8f3e46eb4a79231c12969194d28b064750262d8
{ "func_code_index": [ 4918, 5466 ] }
8,440
OROCoin
OROCoin.sol
0xbf7fd29146d50b014879518fbcd567243ab8b92b
Solidity
OROCoin
contract OROCoin is Ownable { using SafeMath for uint256; string public name; string public symbol; uint8 public decimals = 18; uint256 public totalSupply; mapping(address => uint256) public balanceOf; mapping(address => mapping(address => uint256)) public allowance; ma...
requireSignature
function requireSignature ( bytes32 data, address signer, uint256 deadline, uint256 sigId, bytes memory sig, sigStandard sigStd, sigDestination sigDest ) internal { bytes32 r; bytes32 s; uint8 v; assembly { // solium-disable-line security/no-inline-assembly ...
/** * Internal method that makes sure that the given signature corresponds to a given data and is made by `signer`. * It utilizes three (four) standards of message signing in Ethereum, as at the moment of this smart contract * development there is no single signing standard defined. For example, Metamask and Geth...
NatSpecMultiLine
v0.7.0+commit.9e61f92b
MIT
ipfs://1c92a1cb9cad01da0fc8472ee8f3e46eb4a79231c12969194d28b064750262d8
{ "func_code_index": [ 6836, 9300 ] }
8,441
OROCoin
OROCoin.sol
0xbf7fd29146d50b014879518fbcd567243ab8b92b
Solidity
OROCoin
contract OROCoin is Ownable { using SafeMath for uint256; string public name; string public symbol; uint8 public decimals = 18; uint256 public totalSupply; mapping(address => uint256) public balanceOf; mapping(address => mapping(address => uint256)) public allowance; ma...
hexToString
function hexToString (bytes32 sig) internal pure returns (bytes memory) { bytes memory str = new bytes(64); for (uint8 i = 0; i < 32; ++i) { str[2 * i] = byte((uint8(sig[i]) / 16 < 10 ? 48 : 87) + uint8(sig[i]) / 16); str[2 * i + 1] = byte((uint8(sig[i]) % 16 < 10 ? 48 : 87) + (uint8(sig[i])...
/** * Utility costly function to encode bytes HEX representation as string. * @param sig - signature as bytes32 to represent as string */
NatSpecMultiLine
v0.7.0+commit.9e61f92b
MIT
ipfs://1c92a1cb9cad01da0fc8472ee8f3e46eb4a79231c12969194d28b064750262d8
{ "func_code_index": [ 9464, 9852 ] }
8,442
OROCoin
OROCoin.sol
0xbf7fd29146d50b014879518fbcd567243ab8b92b
Solidity
OROCoin
contract OROCoin is Ownable { using SafeMath for uint256; string public name; string public symbol; uint8 public decimals = 18; uint256 public totalSupply; mapping(address => uint256) public balanceOf; mapping(address => mapping(address => uint256)) public allowance; ma...
transfer
function transfer (address to, uint256 value) public returns (bool) { internalTransfer(msg.sender, to, value); return true; }
/** * Transfer `value` tokens to `to` address from the account of sender. * @param to - the address of the recipient * @param value - the amount to send */
NatSpecMultiLine
v0.7.0+commit.9e61f92b
MIT
ipfs://1c92a1cb9cad01da0fc8472ee8f3e46eb4a79231c12969194d28b064750262d8
{ "func_code_index": [ 10040, 10193 ] }
8,443
OROCoin
OROCoin.sol
0xbf7fd29146d50b014879518fbcd567243ab8b92b
Solidity
OROCoin
contract OROCoin is Ownable { using SafeMath for uint256; string public name; string public symbol; uint8 public decimals = 18; uint256 public totalSupply; mapping(address => uint256) public balanceOf; mapping(address => mapping(address => uint256)) public allowance; ma...
transferViaSignature
function transferViaSignature ( address from, address to, uint256 value, uint256 fee, address feeRecipient, uint256 deadline, uint256 sigId,...
/** * This function distincts transaction signer from transaction executor. It allows anyone to transfer tokens * from the `from` account by providing a valid signature, which can only be obtained from the `from` account * owner. * Note that passed parameter sigId is unique and cannot be passed twice (prevents ...
NatSpecMultiLine
v0.7.0+commit.9e61f92b
MIT
ipfs://1c92a1cb9cad01da0fc8472ee8f3e46eb4a79231c12969194d28b064750262d8
{ "func_code_index": [ 11653, 12419 ] }
8,444
OROCoin
OROCoin.sol
0xbf7fd29146d50b014879518fbcd567243ab8b92b
Solidity
OROCoin
contract OROCoin is Ownable { using SafeMath for uint256; string public name; string public symbol; uint8 public decimals = 18; uint256 public totalSupply; mapping(address => uint256) public balanceOf; mapping(address => mapping(address => uint256)) public allowance; ma...
approve
function approve (address spender, uint256 value) public returns (bool) { allowance[msg.sender][spender] = value; emit Approval(msg.sender, spender, value); return true; }
/** * Allow `spender` to take `value` tokens from the transaction sender's account. * Beware that changing an allowance with this method brings the risk that `spender` may use both the old * and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this * race condition is to ...
NatSpecMultiLine
v0.7.0+commit.9e61f92b
MIT
ipfs://1c92a1cb9cad01da0fc8472ee8f3e46eb4a79231c12969194d28b064750262d8
{ "func_code_index": [ 13040, 13248 ] }
8,445
OROCoin
OROCoin.sol
0xbf7fd29146d50b014879518fbcd567243ab8b92b
Solidity
OROCoin
contract OROCoin is Ownable { using SafeMath for uint256; string public name; string public symbol; uint8 public decimals = 18; uint256 public totalSupply; mapping(address => uint256) public balanceOf; mapping(address => mapping(address => uint256)) public allowance; ma...
approveViaSignature
function approveViaSignature ( address from, address spender, uint256 value, uint256 fee, address feeRecipient, uint256 deadline, uint256 sigId, bytes calldata sig, sigStandard sigStd ) external returns (bool) { requi...
/** * Same as `transferViaSignature`, but for `approve`. * Use case: the user wants to set an allowance for the smart contract or another user without having Ether on * their balance. * @param from - the account to approve withdrawal from, which signed all below parameters * @param spender - the account allow...
NatSpecMultiLine
v0.7.0+commit.9e61f92b
MIT
ipfs://1c92a1cb9cad01da0fc8472ee8f3e46eb4a79231c12969194d28b064750262d8
{ "func_code_index": [ 14235, 14985 ] }
8,446
OROCoin
OROCoin.sol
0xbf7fd29146d50b014879518fbcd567243ab8b92b
Solidity
OROCoin
contract OROCoin is Ownable { using SafeMath for uint256; string public name; string public symbol; uint8 public decimals = 18; uint256 public totalSupply; mapping(address => uint256) public balanceOf; mapping(address => mapping(address => uint256)) public allowance; ma...
transferFrom
function transferFrom (address from, address to, uint256 value) public returns (bool) { allowance[from][msg.sender] = allowance[from][msg.sender].sub(value); internalTransfer(from, to, value); return true; }
/** * Transfer `value` tokens to `to` address from the `from` account, using the previously set allowance. * @param from - the address to transfer tokens from * @param to - the address of the recipient * @param value - the amount to send */
NatSpecMultiLine
v0.7.0+commit.9e61f92b
MIT
ipfs://1c92a1cb9cad01da0fc8472ee8f3e46eb4a79231c12969194d28b064750262d8
{ "func_code_index": [ 15264, 15508 ] }
8,447
OROCoin
OROCoin.sol
0xbf7fd29146d50b014879518fbcd567243ab8b92b
Solidity
OROCoin
contract OROCoin is Ownable { using SafeMath for uint256; string public name; string public symbol; uint8 public decimals = 18; uint256 public totalSupply; mapping(address => uint256) public balanceOf; mapping(address => mapping(address => uint256)) public allowance; ma...
transferFromViaSignature
function transferFromViaSignature ( address signer, address from, address to, uint256 value, uint256 fee, address feeRecipient, uint256 deadline, uint256 sigId, bytes calldata sig, sigStandard sigStd ) external...
/** * Same as `transferViaSignature`, but for `transferFrom`. * Use case: the user wants to withdraw tokens from a smart contract or another user who allowed the user to * do so. Important note: the fee is subtracted from the `value`, and `to` address receives `value - fee`. * @param signer - the address allowe...
NatSpecMultiLine
v0.7.0+commit.9e61f92b
MIT
ipfs://1c92a1cb9cad01da0fc8472ee8f3e46eb4a79231c12969194d28b064750262d8
{ "func_code_index": [ 16603, 17491 ] }
8,448
OROCoin
OROCoin.sol
0xbf7fd29146d50b014879518fbcd567243ab8b92b
Solidity
OROCoin
contract OROCoin is Ownable { using SafeMath for uint256; string public name; string public symbol; uint8 public decimals = 18; uint256 public totalSupply; mapping(address => uint256) public balanceOf; mapping(address => mapping(address => uint256)) public allowance; ma...
approveAndCall
function approveAndCall (address spender, uint256 value, bytes memory extraData) public returns (bool) { approve(spender, value); tokenRecipient(spender).receiveApproval(msg.sender, value, address(this), extraData); return true; }
/** * Utility function, which acts the same as approve(...), but also calls `receiveApproval` function on a * `spender` address, which is usually the address of the smart contract. In the same call, smart contract can * withdraw tokens from the sender's account and receive additional `extraData` for processing. ...
NatSpecMultiLine
v0.7.0+commit.9e61f92b
MIT
ipfs://1c92a1cb9cad01da0fc8472ee8f3e46eb4a79231c12969194d28b064750262d8
{ "func_code_index": [ 18057, 18324 ] }
8,449
OROCoin
OROCoin.sol
0xbf7fd29146d50b014879518fbcd567243ab8b92b
Solidity
OROCoin
contract OROCoin is Ownable { using SafeMath for uint256; string public name; string public symbol; uint8 public decimals = 18; uint256 public totalSupply; mapping(address => uint256) public balanceOf; mapping(address => mapping(address => uint256)) public allowance; ma...
approveAndCallViaSignature
function approveAndCallViaSignature ( address fromAddress, address spender, uint256 value, bytes calldata extraData, uint256 fee, address feeRecipient, uint256 deadline, uint256 sigId, bytes calldata sig, sigStandard s...
/** * Same as `approveViaSignature`, but for `approveAndCall`. * Use case: the user wants to send tokens to the smart contract and pass additional data within one transaction. * @param fromAddress - the account to approve withdrawal from, which signed all below parameters * @param spender - the account allowed ...
NatSpecMultiLine
v0.7.0+commit.9e61f92b
MIT
ipfs://1c92a1cb9cad01da0fc8472ee8f3e46eb4a79231c12969194d28b064750262d8
{ "func_code_index": [ 19423, 20444 ] }
8,450
OROCoin
OROCoin.sol
0xbf7fd29146d50b014879518fbcd567243ab8b92b
Solidity
OROCoin
contract OROCoin is Ownable { using SafeMath for uint256; string public name; string public symbol; uint8 public decimals = 18; uint256 public totalSupply; mapping(address => uint256) public balanceOf; mapping(address => mapping(address => uint256)) public allowance; ma...
mintTokens
function mintTokens (uint newSupply) onlyOwner external { totalSupply = totalSupply.add(newSupply); balanceOf[msg.sender] = balanceOf[msg.sender].add(newSupply); emit Transfer(address(0x0), msg.sender, newSupply); }
/** * Mint some tokens to the sender's address. */
NatSpecMultiLine
v0.7.0+commit.9e61f92b
MIT
ipfs://1c92a1cb9cad01da0fc8472ee8f3e46eb4a79231c12969194d28b064750262d8
{ "func_code_index": [ 20515, 20767 ] }
8,451
OROCoin
OROCoin.sol
0xbf7fd29146d50b014879518fbcd567243ab8b92b
Solidity
OROCoin
contract OROCoin is Ownable { using SafeMath for uint256; string public name; string public symbol; uint8 public decimals = 18; uint256 public totalSupply; mapping(address => uint256) public balanceOf; mapping(address => mapping(address => uint256)) public allowance; ma...
rescueLostTokens
function rescueLostTokens (ERC20CompatibleToken tokenContract, uint256 value) external rescueAccountOnly { tokenContract.transfer(rescueAccount, value); }
/** * ERC20 tokens are not designed to hold any other tokens (or Ether) on their balances. There were thousands * of cases when people accidentally transfer tokens to a contract address while there is no way to get them * back. This function adds a possibility to "rescue" tokens that were accidentally sent to thi...
NatSpecMultiLine
v0.7.0+commit.9e61f92b
MIT
ipfs://1c92a1cb9cad01da0fc8472ee8f3e46eb4a79231c12969194d28b064750262d8
{ "func_code_index": [ 21228, 21401 ] }
8,452
OROCoin
OROCoin.sol
0xbf7fd29146d50b014879518fbcd567243ab8b92b
Solidity
OROCoin
contract OROCoin is Ownable { using SafeMath for uint256; string public name; string public symbol; uint8 public decimals = 18; uint256 public totalSupply; mapping(address => uint256) public balanceOf; mapping(address => mapping(address => uint256)) public allowance; ma...
changeRescueAccount
function changeRescueAccount (address newRescueAccount) external rescueAccountOnly { rescueAccount = newRescueAccount; }
/** * Utility function that allows to change the rescueAccount address, which can "rescue" tokens accidentally sent to * this smart contract address. * @param newRescueAccount - account which will become authorized to rescue tokens */
NatSpecMultiLine
v0.7.0+commit.9e61f92b
MIT
ipfs://1c92a1cb9cad01da0fc8472ee8f3e46eb4a79231c12969194d28b064750262d8
{ "func_code_index": [ 21764, 21903 ] }
8,453
Token
contracts/Token.sol
0xef811e8ea1c406cd1df7c953e45acfc4deb72e3d
Solidity
Token
contract Token is IERC20 { using SafeMath for uint256; string public constant name = "GICCOIN"; string public constant symbol = "GICC"; uint256 public constant decimals = 18; mapping (address => uint256) private _balances; mapping (address => mapping (address => uint256)) private _allo...
totalSupply
function totalSupply() public view returns (uint256) { return _totalSupply; }
/** * @dev Total number of tokens in existence */
NatSpecMultiLine
v0.5.16+commit.9c3226ce
MIT
bzzr://fe85284af70a7db7a4e4c6638e7cf6e3157abdc6f5c0beef93872488ebe0c783
{ "func_code_index": [ 682, 778 ] }
8,454
Token
contracts/Token.sol
0xef811e8ea1c406cd1df7c953e45acfc4deb72e3d
Solidity
Token
contract Token is IERC20 { using SafeMath for uint256; string public constant name = "GICCOIN"; string public constant symbol = "GICC"; uint256 public constant decimals = 18; mapping (address => uint256) private _balances; mapping (address => mapping (address => uint256)) private _allo...
balanceOf
function balanceOf(address owner) public view returns (uint256) { return _balances[owner]; }
/** * @dev Gets the balance of the specified address. * @param owner The address to query the balance of. * @return A uint256 representing the amount owned by the passed address. */
NatSpecMultiLine
v0.5.16+commit.9c3226ce
MIT
bzzr://fe85284af70a7db7a4e4c6638e7cf6e3157abdc6f5c0beef93872488ebe0c783
{ "func_code_index": [ 992, 1103 ] }
8,455
Token
contracts/Token.sol
0xef811e8ea1c406cd1df7c953e45acfc4deb72e3d
Solidity
Token
contract Token is IERC20 { using SafeMath for uint256; string public constant name = "GICCOIN"; string public constant symbol = "GICC"; uint256 public constant decimals = 18; mapping (address => uint256) private _balances; mapping (address => mapping (address => uint256)) private _allo...
allowance
function allowance(address owner, address spender) public view returns (uint256) { return _allowed[owner][spender]; }
/** * @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. */
NatSpecMultiLine
v0.5.16+commit.9c3226ce
MIT
bzzr://fe85284af70a7db7a4e4c6638e7cf6e3157abdc6f5c0beef93872488ebe0c783
{ "func_code_index": [ 1437, 1573 ] }
8,456
Token
contracts/Token.sol
0xef811e8ea1c406cd1df7c953e45acfc4deb72e3d
Solidity
Token
contract Token is IERC20 { using SafeMath for uint256; string public constant name = "GICCOIN"; string public constant symbol = "GICC"; uint256 public constant decimals = 18; mapping (address => uint256) private _balances; mapping (address => mapping (address => uint256)) private _allo...
transfer
function transfer(address to, uint256 value) public returns (bool) { _transfer(msg.sender, to, value); return true; }
/** * @dev Transfer token to a specified address * @param to The address to transfer to. * @param value The amount to be transferred. */
NatSpecMultiLine
v0.5.16+commit.9c3226ce
MIT
bzzr://fe85284af70a7db7a4e4c6638e7cf6e3157abdc6f5c0beef93872488ebe0c783
{ "func_code_index": [ 1742, 1887 ] }
8,457
Token
contracts/Token.sol
0xef811e8ea1c406cd1df7c953e45acfc4deb72e3d
Solidity
Token
contract Token is IERC20 { using SafeMath for uint256; string public constant name = "GICCOIN"; string public constant symbol = "GICC"; uint256 public constant decimals = 18; mapping (address => uint256) private _balances; mapping (address => mapping (address => uint256)) private _allo...
approve
function approve(address spender, uint256 value) public returns (bool) { _approve(msg.sender, spender, 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...
NatSpecMultiLine
v0.5.16+commit.9c3226ce
MIT
bzzr://fe85284af70a7db7a4e4c6638e7cf6e3157abdc6f5c0beef93872488ebe0c783
{ "func_code_index": [ 2529, 2682 ] }
8,458
Token
contracts/Token.sol
0xef811e8ea1c406cd1df7c953e45acfc4deb72e3d
Solidity
Token
contract Token is IERC20 { using SafeMath for uint256; string public constant name = "GICCOIN"; string public constant symbol = "GICC"; uint256 public constant decimals = 18; mapping (address => uint256) private _balances; mapping (address => mapping (address => uint256)) private _allo...
transferFrom
function transferFrom(address from, address to, uint256 value) public returns (bool) { _transfer(from, to, value); _approve(from, msg.sender, _allowed[from][msg.sender].sub(value)); return true; }
/** * @dev Transfer tokens from one address to another. * Note that while this function emits an Approval event, this is not required as per the specification, * and other compliant implementations may not emit the event. * @param from address The address which you want to send tokens from * @param to address...
NatSpecMultiLine
v0.5.16+commit.9c3226ce
MIT
bzzr://fe85284af70a7db7a4e4c6638e7cf6e3157abdc6f5c0beef93872488ebe0c783
{ "func_code_index": [ 3150, 3383 ] }
8,459
Token
contracts/Token.sol
0xef811e8ea1c406cd1df7c953e45acfc4deb72e3d
Solidity
Token
contract Token is IERC20 { using SafeMath for uint256; string public constant name = "GICCOIN"; string public constant symbol = "GICC"; uint256 public constant decimals = 18; mapping (address => uint256) private _balances; mapping (address => mapping (address => uint256)) private _allo...
increaseAllowance
function increaseAllowance(address spender, uint256 addedValue) public returns (bool) { _approve(msg.sender, spender, _allowed[msg.sender][spender].add(addedValue)); return true; }
/** * @dev Increase the amount of tokens that an owner allowed to a spender. * approve should be called when _allowed[msg.sender][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 * Emits...
NatSpecMultiLine
v0.5.16+commit.9c3226ce
MIT
bzzr://fe85284af70a7db7a4e4c6638e7cf6e3157abdc6f5c0beef93872488ebe0c783
{ "func_code_index": [ 3904, 4112 ] }
8,460
Token
contracts/Token.sol
0xef811e8ea1c406cd1df7c953e45acfc4deb72e3d
Solidity
Token
contract Token is IERC20 { using SafeMath for uint256; string public constant name = "GICCOIN"; string public constant symbol = "GICC"; uint256 public constant decimals = 18; mapping (address => uint256) private _balances; mapping (address => mapping (address => uint256)) private _allo...
decreaseAllowance
function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) { _approve(msg.sender, spender, _allowed[msg.sender][spender].sub(subtractedValue)); return true; }
/** * @dev Decrease the amount of tokens that an owner allowed to a spender. * approve should be called when _allowed[msg.sender][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 * Emits...
NatSpecMultiLine
v0.5.16+commit.9c3226ce
MIT
bzzr://fe85284af70a7db7a4e4c6638e7cf6e3157abdc6f5c0beef93872488ebe0c783
{ "func_code_index": [ 4638, 4856 ] }
8,461
Token
contracts/Token.sol
0xef811e8ea1c406cd1df7c953e45acfc4deb72e3d
Solidity
Token
contract Token is IERC20 { using SafeMath for uint256; string public constant name = "GICCOIN"; string public constant symbol = "GICC"; uint256 public constant decimals = 18; mapping (address => uint256) private _balances; mapping (address => mapping (address => uint256)) private _allo...
_transfer
function _transfer(address from, address to, uint256 value) internal { require(to != address(0)); _balances[from] = _balances[from].sub(value); _balances[to] = _balances[to].add(value); emit Transfer(from, to, 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. */
NatSpecMultiLine
v0.5.16+commit.9c3226ce
MIT
bzzr://fe85284af70a7db7a4e4c6638e7cf6e3157abdc6f5c0beef93872488ebe0c783
{ "func_code_index": [ 5078, 5345 ] }
8,462
Token
contracts/Token.sol
0xef811e8ea1c406cd1df7c953e45acfc4deb72e3d
Solidity
Token
contract Token is IERC20 { using SafeMath for uint256; string public constant name = "GICCOIN"; string public constant symbol = "GICC"; uint256 public constant decimals = 18; mapping (address => uint256) private _balances; mapping (address => mapping (address => uint256)) private _allo...
_approve
function _approve(address owner, address spender, uint256 value) internal { require(spender != address(0)); require(owner != address(0)); _allowed[owner][spender] = value; emit Approval(owner, spender, value); }
/** * @dev Approve an address to spend another addresses' tokens. * @param owner The address that owns the tokens. * @param spender The address that will spend the tokens. * @param value The number of tokens that can be spent. */
NatSpecMultiLine
v0.5.16+commit.9c3226ce
MIT
bzzr://fe85284af70a7db7a4e4c6638e7cf6e3157abdc6f5c0beef93872488ebe0c783
{ "func_code_index": [ 5613, 5872 ] }
8,463
PSIToken
PSIToken.sol
0x7a9fe66f0f288e2598788f21e5ed4aa332eef122
Solidity
BasicToken
contract BasicToken is ERC20Basic { using SafeMath for uint256; mapping(address => uint256) balances; /** * @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) pub...
transfer
function transfer(address _to, uint256 _value) public returns (bool) { require(_to != address(0)); require(_value <= balances[msg.sender]); // SafeMath.sub will throw if there is not enough balance. balances[msg.sender] = balances[msg.sender].sub(_value); balances[_to] = balances[_to].add(_value); e...
/** * @dev transfer token for a specified address * @param _to The address to transfer to. * @param _value The amount to be transferred. */
NatSpecMultiLine
v0.4.25+commit.59dbf8f1
bzzr://a4e96efb982900a61947623ecbc780dc5fb29defd195e343933d25cdb3c2c158
{ "func_code_index": [ 268, 664 ] }
8,464
PSIToken
PSIToken.sol
0x7a9fe66f0f288e2598788f21e5ed4aa332eef122
Solidity
BasicToken
contract BasicToken is ERC20Basic { using SafeMath for uint256; mapping(address => uint256) balances; /** * @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) pub...
balanceOf
function balanceOf(address _owner) public constant returns (uint256 balance) { return balances[_owner]; }
/** * @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. */
NatSpecMultiLine
v0.4.25+commit.59dbf8f1
bzzr://a4e96efb982900a61947623ecbc780dc5fb29defd195e343933d25cdb3c2c158
{ "func_code_index": [ 870, 986 ] }
8,465
PSIToken
PSIToken.sol
0x7a9fe66f0f288e2598788f21e5ed4aa332eef122
Solidity
StandardToken
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 transf...
transferFrom
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[_...
/** * @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 */
NatSpecMultiLine
v0.4.25+commit.59dbf8f1
bzzr://a4e96efb982900a61947623ecbc780dc5fb29defd195e343933d25cdb3c2c158
{ "func_code_index": [ 401, 858 ] }
8,466
PSIToken
PSIToken.sol
0x7a9fe66f0f288e2598788f21e5ed4aa332eef122
Solidity
StandardToken
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 transf...
approve
function approve(address _spender, uint256 _value) public returns (bool) { allowed[msg.sender][_spender] = _value; emit Approval(msg.sender, _spender, _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 * ...
NatSpecMultiLine
v0.4.25+commit.59dbf8f1
bzzr://a4e96efb982900a61947623ecbc780dc5fb29defd195e343933d25cdb3c2c158
{ "func_code_index": [ 1490, 1685 ] }
8,467
PSIToken
PSIToken.sol
0x7a9fe66f0f288e2598788f21e5ed4aa332eef122
Solidity
StandardToken
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 transf...
allowance
function allowance(address _owner, address _spender) public constant returns (uint256 remaining) { return allowed[_owner][_spender]; }
/** * @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. */
NatSpecMultiLine
v0.4.25+commit.59dbf8f1
bzzr://a4e96efb982900a61947623ecbc780dc5fb29defd195e343933d25cdb3c2c158
{ "func_code_index": [ 2009, 2154 ] }
8,468
PSIToken
PSIToken.sol
0x7a9fe66f0f288e2598788f21e5ed4aa332eef122
Solidity
PSIToken
contract PSIToken is StandardToken { string public constant name = "PSI Token"; string public constant symbol = "PSI"; uint8 public constant decimals = 18; uint256 public constant INITIAL_SUPPLY = 1000000000 * (10 ** uint256(decimals)); /** * @dev Constructor that gives msg.sender all of exis...
PSIToken
function PSIToken() public { totalSupply = INITIAL_SUPPLY; //Round A Investors 15% balances[0xa801fcD3CDf65206F567645A3E8c4537739334A2] = 150000000 * (10 ** uint256(decimals)); emit Transfer(msg.sender, 0xa801fcD3CDf65206F567645A3E8c4537739334A2, 150000000 * (10 ** uint256(decimals))); //Presal...
/** * @dev Constructor that gives msg.sender all of existing tokens. */
NatSpecMultiLine
v0.4.25+commit.59dbf8f1
bzzr://a4e96efb982900a61947623ecbc780dc5fb29defd195e343933d25cdb3c2c158
{ "func_code_index": [ 341, 2109 ] }
8,469
LinguaFranca
@openzeppelin/contracts/token/ERC721/extensions/ERC721Enumerable.sol
0x9a7a5ff2c9563e96fbbed4dda94d5549b30f1efb
Solidity
ERC721Enumerable
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;...
/** * @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. */
NatSpecMultiLine
supportsInterface
function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165, ERC721) returns (bool) { return interfaceId == type(IERC721Enumerable).interfaceId || super.supportsInterface(interfaceId); }
/** * @dev See {IERC165-supportsInterface}. */
NatSpecMultiLine
v0.8.7+commit.e28d00a7
MIT
ipfs://ec30ad3b2c7be55c484ddb84aa17c0c44a22d432c6fab023a60ec5e2d7d4b3de
{ "func_code_index": [ 605, 834 ] }
8,470
LinguaFranca
@openzeppelin/contracts/token/ERC721/extensions/ERC721Enumerable.sol
0x9a7a5ff2c9563e96fbbed4dda94d5549b30f1efb
Solidity
ERC721Enumerable
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;...
/** * @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. */
NatSpecMultiLine
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-tokenOfOwnerByIndex}. */
NatSpecMultiLine
v0.8.7+commit.e28d00a7
MIT
ipfs://ec30ad3b2c7be55c484ddb84aa17c0c44a22d432c6fab023a60ec5e2d7d4b3de
{ "func_code_index": [ 913, 1174 ] }
8,471
LinguaFranca
@openzeppelin/contracts/token/ERC721/extensions/ERC721Enumerable.sol
0x9a7a5ff2c9563e96fbbed4dda94d5549b30f1efb
Solidity
ERC721Enumerable
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;...
/** * @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. */
NatSpecMultiLine
totalSupply
function totalSupply() public view virtual override returns (uint256) { return _allTokens.length; }
/** * @dev See {IERC721Enumerable-totalSupply}. */
NatSpecMultiLine
v0.8.7+commit.e28d00a7
MIT
ipfs://ec30ad3b2c7be55c484ddb84aa17c0c44a22d432c6fab023a60ec5e2d7d4b3de
{ "func_code_index": [ 1245, 1363 ] }
8,472
LinguaFranca
@openzeppelin/contracts/token/ERC721/extensions/ERC721Enumerable.sol
0x9a7a5ff2c9563e96fbbed4dda94d5549b30f1efb
Solidity
ERC721Enumerable
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;...
/** * @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. */
NatSpecMultiLine
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 See {IERC721Enumerable-tokenByIndex}. */
NatSpecMultiLine
v0.8.7+commit.e28d00a7
MIT
ipfs://ec30ad3b2c7be55c484ddb84aa17c0c44a22d432c6fab023a60ec5e2d7d4b3de
{ "func_code_index": [ 1435, 1673 ] }
8,473
PENCECOIN
PENCECOIN.sol
0x6c4fee44acccb6e44af41862f509c74892f1445f
Solidity
PENCECOIN
contract PENCECOIN { // Public variables of the token string public name; string public symbol; uint8 public decimals = 18; // 18 decimals is the strongly suggested default, avoid changing it uint256 public totalSupply; // This creates an array with all balances mapping (addres...
_transfer
function _transfer(address _from, address _to, uint _value) internal { // Prevent transfer to 0x0 address. Use burn() instead require(_to != address(0x0)); // Check if the sender has enough require(balanceOf[_from] >= _value); // Check for overflows require(balanceOf[_to] + _value >= balan...
/** * Internal transfer, only can be called by this contract */
NatSpecMultiLine
v0.5.11+commit.c082d0b4
None
bzzr://ee3158c552befdd2c08c79d872bb19979b45b87745e5e58f4c574c6c00606156
{ "func_code_index": [ 1649, 2506 ] }
8,474
PENCECOIN
PENCECOIN.sol
0x6c4fee44acccb6e44af41862f509c74892f1445f
Solidity
PENCECOIN
contract PENCECOIN { // Public variables of the token string public name; string public symbol; uint8 public decimals = 18; // 18 decimals is the strongly suggested default, avoid changing it uint256 public totalSupply; // This creates an array with all balances mapping (addres...
transfer
function transfer(address _to, uint256 _value) public returns (bool success) { _transfer(msg.sender, _to, _value); return true; }
/** * Transfer tokens * * Send `_value` tokens to `_to` from your account * * @param _to The address of the recipient * @param _value the amount to send */
NatSpecMultiLine
v0.5.11+commit.c082d0b4
None
bzzr://ee3158c552befdd2c08c79d872bb19979b45b87745e5e58f4c574c6c00606156
{ "func_code_index": [ 2712, 2869 ] }
8,475
PENCECOIN
PENCECOIN.sol
0x6c4fee44acccb6e44af41862f509c74892f1445f
Solidity
PENCECOIN
contract PENCECOIN { // Public variables of the token string public name; string public symbol; uint8 public decimals = 18; // 18 decimals is the strongly suggested default, avoid changing it uint256 public totalSupply; // This creates an array with all balances mapping (addres...
transferFrom
function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) { require(_value <= allowance[_from][msg.sender]); // Check allowance allowance[_from][msg.sender] -= _value; _transfer(_from, _to, _value); return true; }
/** * Transfer tokens from other address * * Send `_value` tokens to `_to` on behalf of `_from` * * @param _from The address of the sender * @param _to The address of the recipient * @param _value the amount to send */
NatSpecMultiLine
v0.5.11+commit.c082d0b4
None
bzzr://ee3158c552befdd2c08c79d872bb19979b45b87745e5e58f4c574c6c00606156
{ "func_code_index": [ 3144, 3445 ] }
8,476
PENCECOIN
PENCECOIN.sol
0x6c4fee44acccb6e44af41862f509c74892f1445f
Solidity
PENCECOIN
contract PENCECOIN { // Public variables of the token string public name; string public symbol; uint8 public decimals = 18; // 18 decimals is the strongly suggested default, avoid changing it uint256 public totalSupply; // This creates an array with all balances mapping (addres...
approve
function approve(address _spender, uint256 _value) public returns (bool success) { allowance[msg.sender][_spender] = _value; emit Approval(msg.sender, _spender, _value); return true; }
/** * Set allowance for other address * * Allows `_spender` to spend no more than `_value` tokens on your behalf * * @param _spender The address authorized to spend * @param _value the max amount they can spend */
NatSpecMultiLine
v0.5.11+commit.c082d0b4
None
bzzr://ee3158c552befdd2c08c79d872bb19979b45b87745e5e58f4c574c6c00606156
{ "func_code_index": [ 3709, 3939 ] }
8,477
PENCECOIN
PENCECOIN.sol
0x6c4fee44acccb6e44af41862f509c74892f1445f
Solidity
PENCECOIN
contract PENCECOIN { // Public variables of the token string public name; string public symbol; uint8 public decimals = 18; // 18 decimals is the strongly suggested default, avoid changing it uint256 public totalSupply; // This creates an array with all balances mapping (addres...
approveAndCall
function approveAndCall(address _spender, uint256 _value, bytes memory _extraData) public returns (bool success) { tokenRecipient spender = tokenRecipient(_spender); if (approve(_spender, _value)) { spender.receiveApproval(msg.sender, _value, address(this), _extraData); return true...
/** * Set allowance for other address and notify * * Allows `_spender` to spend no more than `_value` tokens on your behalf, and then ping the contract about it * * @param _spender The address authorized to spend * @param _value the max amount they can spend * @param _extraData some extra information to s...
NatSpecMultiLine
v0.5.11+commit.c082d0b4
None
bzzr://ee3158c552befdd2c08c79d872bb19979b45b87745e5e58f4c574c6c00606156
{ "func_code_index": [ 4333, 4701 ] }
8,478
PENCECOIN
PENCECOIN.sol
0x6c4fee44acccb6e44af41862f509c74892f1445f
Solidity
PENCECOIN
contract PENCECOIN { // Public variables of the token string public name; string public symbol; uint8 public decimals = 18; // 18 decimals is the strongly suggested default, avoid changing it uint256 public totalSupply; // This creates an array with all balances mapping (addres...
burn
function burn(uint256 _value) public returns (bool success) { require(balanceOf[msg.sender] >= _value); // Check if the sender has enough balanceOf[msg.sender] -= _value; // Subtract from the sender totalSupply -= _value; // Updates totalSupply emit Burn(msg.sender,...
/** * Destroy tokens * * Remove `_value` tokens from the system irreversibly * * @param _value the amount of money to burn */
NatSpecMultiLine
v0.5.11+commit.c082d0b4
None
bzzr://ee3158c552befdd2c08c79d872bb19979b45b87745e5e58f4c574c6c00606156
{ "func_code_index": [ 4871, 5250 ] }
8,479
PENCECOIN
PENCECOIN.sol
0x6c4fee44acccb6e44af41862f509c74892f1445f
Solidity
PENCECOIN
contract PENCECOIN { // Public variables of the token string public name; string public symbol; uint8 public decimals = 18; // 18 decimals is the strongly suggested default, avoid changing it uint256 public totalSupply; // This creates an array with all balances mapping (addres...
burnFrom
function burnFrom(address _from, uint256 _value) public returns (bool success) { require(balanceOf[_from] >= _value); // Check if the targeted balance is enough require(_value <= allowance[_from][msg.sender]); // Check allowance balanceOf[_from] -= _value; // Sub...
/** * Destroy tokens from other account * * Remove `_value` tokens from the system irreversibly on behalf of `_from`. * * @param _from the address of the sender * @param _value the amount of money to burn */
NatSpecMultiLine
v0.5.11+commit.c082d0b4
None
bzzr://ee3158c552befdd2c08c79d872bb19979b45b87745e5e58f4c574c6c00606156
{ "func_code_index": [ 5508, 6124 ] }
8,480
OpethZap
contracts/OpethZap.sol
0x859adef853012c8b00804b55a5bc2b7732b4b5a6
Solidity
OpethZap
contract OpethZap { using SafeMath for uint; using SafeERC20 for IERC20; IERC20 public immutable weth; IERC20 public immutable usdc; Uni public immutable uni; IOpeth public immutable opeth; address payable public immutable exchange; address[] public path; constructor( IERC...
_mint
function _mint( address oToken, uint _opeth, uint _oTokenPayment, uint _maxPayment, uint _0xFee, bytes calldata _0xSwapData ) internal { // Swap ETH for USDC (for purchasing oToken) Uni(uni).swapETHForExactTokens{value: _maxPayment}( _oTokenPayment, path, address(...
/** * @param oToken opyn put option * @param _oTokenPayment USDC required for purchasing oTokens * @param _maxPayment in ETH for purchasing USDC; caps slippage * @param _0xFee 0x protocol fee. Any extra is refunded * @param _0xSwapData 0x swap encoded data */
NatSpecMultiLine
v0.6.12+commit.27d51765
{ "func_code_index": [ 2174, 2876 ] }
8,481
OpethZap
contracts/OpethZap.sol
0x859adef853012c8b00804b55a5bc2b7732b4b5a6
Solidity
OpethZap
contract OpethZap { using SafeMath for uint; using SafeERC20 for IERC20; IERC20 public immutable weth; IERC20 public immutable usdc; Uni public immutable uni; IOpeth public immutable opeth; address payable public immutable exchange; address[] public path; constructor( IERC...
// Cannot receive ETH with calldata that doesnt match any function
LineComment
v0.6.12+commit.27d51765
{ "func_code_index": [ 3341, 3418 ] }
8,482
Ethernauts
Ethernauts.sol
0x29f2068dcf08164875951d21afb561dd406b66d0
Solidity
IERC165
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 f...
/** * @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}. */
NatSpecMultiLine
supportsInterface
function supportsInterface(bytes4 interfaceId) external view returns (bool);
/** * @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. */
NatSpecMultiLine
v0.8.7+commit.e28d00a7
GNU GPLv3
ipfs://e6e199a6501c1abd2f665aafb15edbfc6e4cfebb0396d5b40518ccd27f4ae406
{ "func_code_index": [ 374, 455 ] }
8,483
Ethernauts
Ethernauts.sol
0x29f2068dcf08164875951d21afb561dd406b66d0
Solidity
IERC721
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. */ ...
/** * @dev Required interface of an ERC721 compliant contract. */
NatSpecMultiLine
balanceOf
function balanceOf(address owner) external view returns (uint256 balance);
/** * @dev Returns the number of tokens in ``owner``'s account. */
NatSpecMultiLine
v0.8.7+commit.e28d00a7
GNU GPLv3
ipfs://e6e199a6501c1abd2f665aafb15edbfc6e4cfebb0396d5b40518ccd27f4ae406
{ "func_code_index": [ 719, 798 ] }
8,484
Ethernauts
Ethernauts.sol
0x29f2068dcf08164875951d21afb561dd406b66d0
Solidity
IERC721
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. */ ...
/** * @dev Required interface of an ERC721 compliant contract. */
NatSpecMultiLine
ownerOf
function ownerOf(uint256 tokenId) external view returns (address owner);
/** * @dev Returns the owner of the `tokenId` token. * * Requirements: * * - `tokenId` must exist. */
NatSpecMultiLine
v0.8.7+commit.e28d00a7
GNU GPLv3
ipfs://e6e199a6501c1abd2f665aafb15edbfc6e4cfebb0396d5b40518ccd27f4ae406
{ "func_code_index": [ 944, 1021 ] }
8,485
Ethernauts
Ethernauts.sol
0x29f2068dcf08164875951d21afb561dd406b66d0
Solidity
IERC721
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. */ ...
/** * @dev Required interface of an ERC721 compliant contract. */
NatSpecMultiLine
safeTransferFrom
function safeTransferFrom( address from, address to, uint256 tokenId ) external;
/** * @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 mus...
NatSpecMultiLine
v0.8.7+commit.e28d00a7
GNU GPLv3
ipfs://e6e199a6501c1abd2f665aafb15edbfc6e4cfebb0396d5b40518ccd27f4ae406
{ "func_code_index": [ 1733, 1850 ] }
8,486
Ethernauts
Ethernauts.sol
0x29f2068dcf08164875951d21afb561dd406b66d0
Solidity
IERC721
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. */ ...
/** * @dev Required interface of an ERC721 compliant contract. */
NatSpecMultiLine
transferFrom
function transferFrom( 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 th...
NatSpecMultiLine
v0.8.7+commit.e28d00a7
GNU GPLv3
ipfs://e6e199a6501c1abd2f665aafb15edbfc6e4cfebb0396d5b40518ccd27f4ae406
{ "func_code_index": [ 2376, 2489 ] }
8,487
Ethernauts
Ethernauts.sol
0x29f2068dcf08164875951d21afb561dd406b66d0
Solidity
IERC721
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. */ ...
/** * @dev Required interface of an ERC721 compliant contract. */
NatSpecMultiLine
approve
function approve(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...
NatSpecMultiLine
v0.8.7+commit.e28d00a7
GNU GPLv3
ipfs://e6e199a6501c1abd2f665aafb15edbfc6e4cfebb0396d5b40518ccd27f4ae406
{ "func_code_index": [ 2962, 3022 ] }
8,488
Ethernauts
Ethernauts.sol
0x29f2068dcf08164875951d21afb561dd406b66d0
Solidity
IERC721
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. */ ...
/** * @dev Required interface of an ERC721 compliant contract. */
NatSpecMultiLine
getApproved
function getApproved(uint256 tokenId) external view returns (address operator);
/** * @dev Returns the account approved for `tokenId` token. * * Requirements: * * - `tokenId` must exist. */
NatSpecMultiLine
v0.8.7+commit.e28d00a7
GNU GPLv3
ipfs://e6e199a6501c1abd2f665aafb15edbfc6e4cfebb0396d5b40518ccd27f4ae406
{ "func_code_index": [ 3176, 3260 ] }
8,489
Ethernauts
Ethernauts.sol
0x29f2068dcf08164875951d21afb561dd406b66d0
Solidity
IERC721
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. */ ...
/** * @dev Required interface of an ERC721 compliant contract. */
NatSpecMultiLine
setApprovalForAll
function setApprovalForAll(address operator, bool _approved) external;
/** * @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. */
NatSpecMultiLine
v0.8.7+commit.e28d00a7
GNU GPLv3
ipfs://e6e199a6501c1abd2f665aafb15edbfc6e4cfebb0396d5b40518ccd27f4ae406
{ "func_code_index": [ 3587, 3662 ] }
8,490
Ethernauts
Ethernauts.sol
0x29f2068dcf08164875951d21afb561dd406b66d0
Solidity
IERC721
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. */ ...
/** * @dev Required interface of an ERC721 compliant contract. */
NatSpecMultiLine
isApprovedForAll
function isApprovedForAll(address owner, address operator) external view returns (bool);
/** * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`. * * See {setApprovalForAll} */
NatSpecMultiLine
v0.8.7+commit.e28d00a7
GNU GPLv3
ipfs://e6e199a6501c1abd2f665aafb15edbfc6e4cfebb0396d5b40518ccd27f4ae406
{ "func_code_index": [ 3813, 3906 ] }
8,491
Ethernauts
Ethernauts.sol
0x29f2068dcf08164875951d21afb561dd406b66d0
Solidity
IERC721
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. */ ...
/** * @dev Required interface of an ERC721 compliant contract. */
NatSpecMultiLine
safeTransferFrom
function safeTransferFrom( address from, address to, uint256 tokenId, bytes calldata data ) external;
/** * @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 {appro...
NatSpecMultiLine
v0.8.7+commit.e28d00a7
GNU GPLv3
ipfs://e6e199a6501c1abd2f665aafb15edbfc6e4cfebb0396d5b40518ccd27f4ae406
{ "func_code_index": [ 4483, 4630 ] }
8,492
Ethernauts
Ethernauts.sol
0x29f2068dcf08164875951d21afb561dd406b66d0
Solidity
Strings
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 ...
/** * @dev String operations. */
NatSpecMultiLine
toString
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 ...
/** * @dev Converts a `uint256` to its ASCII `string` decimal representation. */
NatSpecMultiLine
v0.8.7+commit.e28d00a7
GNU GPLv3
ipfs://e6e199a6501c1abd2f665aafb15edbfc6e4cfebb0396d5b40518ccd27f4ae406
{ "func_code_index": [ 184, 912 ] }
8,493
Ethernauts
Ethernauts.sol
0x29f2068dcf08164875951d21afb561dd406b66d0
Solidity
Strings
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 ...
/** * @dev String operations. */
NatSpecMultiLine
toHexString
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. */
NatSpecMultiLine
v0.8.7+commit.e28d00a7
GNU GPLv3
ipfs://e6e199a6501c1abd2f665aafb15edbfc6e4cfebb0396d5b40518ccd27f4ae406
{ "func_code_index": [ 1017, 1362 ] }
8,494
Ethernauts
Ethernauts.sol
0x29f2068dcf08164875951d21afb561dd406b66d0
Solidity
Strings
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 ...
/** * @dev String operations. */
NatSpecMultiLine
toHexString
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; } ...
/** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length. */
NatSpecMultiLine
v0.8.7+commit.e28d00a7
GNU GPLv3
ipfs://e6e199a6501c1abd2f665aafb15edbfc6e4cfebb0396d5b40518ccd27f4ae406
{ "func_code_index": [ 1485, 1941 ] }
8,495
Ethernauts
Ethernauts.sol
0x29f2068dcf08164875951d21afb561dd406b66d0
Solidity
Ownable
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() { _setOwner(_msgSender()); ...
/** * @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}. ...
NatSpecMultiLine
owner
function owner() public view virtual returns (address) { return _owner; }
/** * @dev Returns the address of the current owner. */
NatSpecMultiLine
v0.8.7+commit.e28d00a7
GNU GPLv3
ipfs://e6e199a6501c1abd2f665aafb15edbfc6e4cfebb0396d5b40518ccd27f4ae406
{ "func_code_index": [ 399, 491 ] }
8,496
Ethernauts
Ethernauts.sol
0x29f2068dcf08164875951d21afb561dd406b66d0
Solidity
Ownable
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() { _setOwner(_msgSender()); ...
/** * @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}. ...
NatSpecMultiLine
renounceOwnership
function renounceOwnership() public virtual onlyOwner { _setOwner(address(0)); }
/** * @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. */
NatSpecMultiLine
v0.8.7+commit.e28d00a7
GNU GPLv3
ipfs://e6e199a6501c1abd2f665aafb15edbfc6e4cfebb0396d5b40518ccd27f4ae406
{ "func_code_index": [ 1050, 1149 ] }
8,497
Ethernauts
Ethernauts.sol
0x29f2068dcf08164875951d21afb561dd406b66d0
Solidity
Ownable
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() { _setOwner(_msgSender()); ...
/** * @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}. ...
NatSpecMultiLine
transferOwnership
function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); _setOwner(newOwner); }
/** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */
NatSpecMultiLine
v0.8.7+commit.e28d00a7
GNU GPLv3
ipfs://e6e199a6501c1abd2f665aafb15edbfc6e4cfebb0396d5b40518ccd27f4ae406
{ "func_code_index": [ 1299, 1496 ] }
8,498
Ethernauts
Ethernauts.sol
0x29f2068dcf08164875951d21afb561dd406b66d0
Solidity
IERC721Receiver
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 valu...
/** * @title ERC721 token receiver interface * @dev Interface for any contract that wants to support safeTransfers * from ERC721 asset contracts. */
NatSpecMultiLine
onERC721Received
function onERC721Received( address operator, address from, uint256 tokenId, bytes calldata data ) external returns (bytes4);
/** * @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 ...
NatSpecMultiLine
v0.8.7+commit.e28d00a7
GNU GPLv3
ipfs://e6e199a6501c1abd2f665aafb15edbfc6e4cfebb0396d5b40518ccd27f4ae406
{ "func_code_index": [ 528, 698 ] }
8,499