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// Returns the downcasted int104 from int256, reverting onoverflow (when the input is less than smallest int104 orgreater than largest int104). Counterpart to Solidity's `int104` operator. Requirements: - input must fit into 104 bits _Available since v4.7._ /
function toInt104(int256 value) internal pure returns (int104 downcasted) { downcasted = int104(value); require(downcasted == value, "SafeCast: value doesn't fit in 104 bits"); }
function toInt104(int256 value) internal pure returns (int104 downcasted) { downcasted = int104(value); require(downcasted == value, "SafeCast: value doesn't fit in 104 bits"); }
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// This function is to be called only form voting contract, and it creates new record/newRecordData This is the record data/contributionIds Array of the contribution id
function createRecordFromData( RecordStruct memory newRecordData, uint256[] memory contributionIds
function createRecordFromData( RecordStruct memory newRecordData, uint256[] memory contributionIds
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// Set new user signing key on smart wallet and emit a corresponding event.
_setUserSigningKey(userSigningKey);
_setUserSigningKey(userSigningKey);
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// Transfer the contributed ethers to the crowdsale wallet
if (!wallet.send(msg.value)) throw;
if (!wallet.send(msg.value)) throw;
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// burns XEN tokens and creates Proof-Of-Burn record to be used by connected DeFi services /
function burn(address user, uint256 amount) public { require(amount > XEN_MIN_BURN, "Burn: Below min limit"); require( IERC165(_msgSender()).supportsInterface(type(IBurnRedeemable).interfaceId), "Burn: not a supported contract" ); _spendAllowance(user, _msgSe...
function burn(address user, uint256 amount) public { require(amount > XEN_MIN_BURN, "Burn: Below min limit"); require( IERC165(_msgSender()).supportsInterface(type(IBurnRedeemable).interfaceId), "Burn: not a supported contract" ); _spendAllowance(user, _msgSe...
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// representing an app's life-cyclean app's life-cycle starts in the ON state, then it is either move to the final OFF state, or to the RETIRED state when it upgrades itself to its successor version./
contract AppState { enum State { OFF, ON, RETIRED }
contract AppState { enum State { OFF, ON, RETIRED }
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// function that allows a user to withdraw its initial deposit must be called only when `block.timestamp` >= `endPeriod` `block.timestamp` higher than `lockupPeriod` (lockupPeriod finished)withdraw reset all states variable for the `msg.sender` to 0, and claim rewardsif rewards to claim /
function withdrawAll() external;
function withdrawAll() external;
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// Buyer wants to buy NFT from auction. All the required checks must pass.Buyer must either send ETH with this endpoint, or ERC20 tokens will be deducted from his account to the auction contract.Contract must detect, if the bidder bid higher value thank the actual highest bid. If it's not enough, bid is not valid.If bi...
function bid(string memory id, uint256 bidValue) public payable whenNotPaused
function bid(string memory id, uint256 bidValue) public payable whenNotPaused
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// Returns the integer division of two unsigned integers. Reverts on division by zero. The result is rounded towards zero. Counterpart to Solidity's `/` operator. Note: this function uses a `revert` opcode (which leaves remaining gas untouched) while Solidity uses an invalid opcode to revert (consuming all remaining ga...
function div ( uint256 a, uint256 b
function div ( uint256 a, uint256 b
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// safeApprove should only be called when setting an initial allowance, or when resetting it to zero. To increase and decrease it, use 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
require( (value == 0) || (token.allowance(address(this), spender) == 0), "SafeERC20: approve from non-zero to non-zero allowance" ); _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
require( (value == 0) || (token.allowance(address(this), spender) == 0), "SafeERC20: approve from non-zero to non-zero allowance" ); _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
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// Container for per-asset balance sheet and interest rate information written to storage, intended to be stored in a map where the asset address is the key
* struct Market { * isSupported = Whether this market is supported or not (not to be confused with the list of collateral assets) * blockNumber = when the other values in this struct were calculated * totalSupply = total amount of this asset supplied (in asset wei) ...
* struct Market { * isSupported = Whether this market is supported or not (not to be confused with the list of collateral assets) * blockNumber = when the other values in this struct were calculated * totalSupply = total amount of this asset supplied (in asset wei) ...
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// Calculate denominator for row 16383: x - g^16383z.
let denominator := add(shiftedEvalPoint, mload(add(expmodsAndPoints, 0xac0))) mstore(add(productsPtr, 0x820), partialProduct) mstore(add(valuesPtr, 0x820), denominator) partialProduct := mulmod(partialProduct, denominator, PRIME)
let denominator := add(shiftedEvalPoint, mload(add(expmodsAndPoints, 0xac0))) mstore(add(productsPtr, 0x820), partialProduct) mstore(add(valuesPtr, 0x820), denominator) partialProduct := mulmod(partialProduct, denominator, PRIME)
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// V1 - V5: OK
address public pendingOwner;
address public pendingOwner;
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// MyLootBoxMyLootBox - a randomized and openable lootbox of MyCollectibles /
contract LootBox is AccessControlEnumerable { // using Strings for string; using SafeMath for uint256; // Event for logging lootbox opens event LootBoxOpened(uint256 indexed optionId, address indexed buyer, uint256 boxesPurchased, uint256 itemsMinted); event TokenSent(address wallet, uint256 tokenId); even...
contract LootBox is AccessControlEnumerable { // using Strings for string; using SafeMath for uint256; // Event for logging lootbox opens event LootBoxOpened(uint256 indexed optionId, address indexed buyer, uint256 boxesPurchased, uint256 itemsMinted); event TokenSent(address wallet, uint256 tokenId); even...
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// value between 0 and {getRoleMemberCount}, non-inclusive. Role bearers are not sorted in any particular way, and their ordering maychange at any point. WARNING: When using {getRoleMember} and {getRoleMemberCount}, make sureyou perform all queries on the same block. See the followingfor more information. /
function getRoleMember(bytes32 role, uint256 index) public view override returns (address) { return _roleMembers[role].at(index); }
function getRoleMember(bytes32 role, uint256 index) public view override returns (address) { return _roleMembers[role].at(index); }
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// totalSupply - Returns the total supply of a meta token tokenID - ID of the meta tokenreturn uint256 - The total supply of the meta token /
function totalSupply(uint256 tokenID) internal view returns (uint256) { return IMetaToken(getMetaTokenAddress()).tokenSupply(tokenID); }
function totalSupply(uint256 tokenID) internal view returns (uint256) { return IMetaToken(getMetaTokenAddress()).tokenSupply(tokenID); }
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// set new signer
address oldSignerManager = address(signerManager); signerManager = SignerManager(newSignerManager);
address oldSignerManager = address(signerManager); signerManager = SignerManager(newSignerManager);
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// Actual data of the sub we store on-chain/In order to save on gas we store a keccak256(StrategySub) and verify later on/userProxy Address of the users smart wallet/proxy/isEnabled Toggle if the subscription is active/strategySubHash Hash of the StrategySub data the user inputted
struct StoredSubData { bytes20 userProxy; // address but put in bytes20 for gas savings bool isEnabled; bytes32 strategySubHash; }
struct StoredSubData { bytes20 userProxy; // address but put in bytes20 for gas savings bool isEnabled; bytes32 strategySubHash; }
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// CORE
mapping (uint256 => string) internal itemTitle; mapping (uint256 => string) internal itemCreator; mapping (uint256 => string) internal itemDescription; mapping (uint256 => string) internal itemSvg; mapping (uint256 => string) internal itemArweave;
mapping (uint256 => string) internal itemTitle; mapping (uint256 => string) internal itemCreator; mapping (uint256 => string) internal itemDescription; mapping (uint256 => string) internal itemSvg; mapping (uint256 => string) internal itemArweave;
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// set Wild card token.
function makeWildCardToken(uint256 tokenId) public payable { require(msg.value == killerPriceConversionFee); //Start New Code--for making wild card for each category uint256 index = cardTokenToPosition[tokenId]; //Card storage card = cards[index]; string storage cardCategory=cards[index].categ...
function makeWildCardToken(uint256 tokenId) public payable { require(msg.value == killerPriceConversionFee); //Start New Code--for making wild card for each category uint256 index = cardTokenToPosition[tokenId]; //Card storage card = cards[index]; string storage cardCategory=cards[index].categ...
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// ERC721 variables /
string public contractURI;
string public contractURI;
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// address of the gauge controller used for voting
address public gaugeController;
address public gaugeController;
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// The manager is allowed to perform some privileged actions on the vault,
address public manager;
address public manager;
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// Transfer Governance message characteristicsLength of a Transfer Governance messagetype + domain + address
uint256 private constant TRANSFER_GOV_MESSAGE_LEN = 1 + 4 + 32; struct Call { bytes32 to; bytes data; }
uint256 private constant TRANSFER_GOV_MESSAGE_LEN = 1 + 4 + 32; struct Call { bytes32 to; bytes data; }
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// Basic token Basic version of StandardToken, with no allowances. /
contract BasicToken is ERC20Basic { using SafeMath for uint256; mapping(address => uint256) balances; uint256 totalSupply_; /** * @dev total number of tokens in existence **/ function totalSupply() public view returns (uint256) { return totalSupply_; } /** * ...
contract BasicToken is ERC20Basic { using SafeMath for uint256; mapping(address => uint256) balances; uint256 totalSupply_; /** * @dev total number of tokens in existence **/ function totalSupply() public view returns (uint256) { return totalSupply_; } /** * ...
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// `updateValueAtNow` used to update the `balances` map and the/`totalSupplyHistory`/checkpoints The history of data being updated/_value The new number of tokens
function updateValueAtNow(Checkpoint[] storage checkpoints, uint _value) internal { if ((checkpoints.length == 0) || (checkpoints[checkpoints.length - 1].fromBlock < block.number)) { Checkpoint storage newCheckPoint = checkpoints[checkpoints.length++]; newCheckPoint.fromBlock = uint1...
function updateValueAtNow(Checkpoint[] storage checkpoints, uint _value) internal { if ((checkpoints.length == 0) || (checkpoints[checkpoints.length - 1].fromBlock < block.number)) { Checkpoint storage newCheckPoint = checkpoints[checkpoints.length++]; newCheckPoint.fromBlock = uint1...
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// Transfer tokens to the market
require( ownixToken.transferFrom(_bidder, address(this), _price), "Transferring the bid amount to the marketplace failed" );
require( ownixToken.transferFrom(_bidder, address(this), _price), "Transferring the bid amount to the marketplace failed" );
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// Calculate the dy of withdrawing in one token self Swap struct to read from tokenIndex which token will be withdrawn tokenAmount the amount to withdraw in the pools precisionreturn the d and the new y after withdrawing one token /
function calculateWithdrawOneTokenDY( Swap storage self, uint8 tokenIndex, uint256 tokenAmount, uint256 totalSupply ) internal view returns ( uint256,
function calculateWithdrawOneTokenDY( Swap storage self, uint8 tokenIndex, uint256 tokenAmount, uint256 totalSupply ) internal view returns ( uint256,
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// 26) https:etherscan.io/tx/0x76cb986eaf3213ea6127950b791660795f2b4666e3d9d33b7dc38c19459921953.865313825ETH
addUnitsContributed(0x473bbC06D7fdB7713D1ED334F8D8096CaD6eC3f3, 3_865);
addUnitsContributed(0x473bbC06D7fdB7713D1ED334F8D8096CaD6eC3f3, 3_865);
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// Updates the reserve factor of a reserve asset The address of the underlying asset of the reserve reserveFactor The new reserve factor of the reserve /
function setReserveFactor(address asset, uint256 reserveFactor) external onlyPoolAdmin { DataTypes.ReserveConfigurationMap memory currentConfig = pool.getConfiguration(asset); currentConfig.setReserveFactor(reserveFactor); pool.setConfiguration(asset, currentConfig.data); emit ReserveFactorChanged(...
function setReserveFactor(address asset, uint256 reserveFactor) external onlyPoolAdmin { DataTypes.ReserveConfigurationMap memory currentConfig = pool.getConfiguration(asset); currentConfig.setReserveFactor(reserveFactor); pool.setConfiguration(asset, currentConfig.data); emit ReserveFactorChanged(...
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// https:docs.synthetix.io/contracts/source/interfaces/ihasbalance
interface IHasBalance { // Views function balanceOf(address account) external view returns (uint); }
interface IHasBalance { // Views function balanceOf(address account) external view returns (uint); }
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// Liquidate and burn all bonds in this aggregatorAggregator can search for 50 bondGroup and burn 10 bonds one time /
function liquidateBonds() public override afterMaturity { uint256 _currentTerm = currentTerm; require(!liquidationData[_currentTerm].isLiquidated, "Expired"); if (liquidationData[_currentTerm].endBondGroupId == 0) { liquidationData[_currentTerm].endBondGroupId = BONDMAKER.nextBon...
function liquidateBonds() public override afterMaturity { uint256 _currentTerm = currentTerm; require(!liquidationData[_currentTerm].isLiquidated, "Expired"); if (liquidationData[_currentTerm].endBondGroupId == 0) { liquidationData[_currentTerm].endBondGroupId = BONDMAKER.nextBon...
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// Decreases `account`'s Internal Balance for `token` by `amount`. If `allowPartial` is true, this functiondoesn't revert if `account` doesn't have enough balance, and sets it to zero and returns the deducted amountinstead. /
function _decreaseInternalBalance( address account, IERC20 token, uint256 amount, bool allowPartial
function _decreaseInternalBalance( address account, IERC20 token, uint256 amount, bool allowPartial
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// Allows Rampp wallet to update its own reference as well as update the address for the Rampp-owed payment split. Cannot modify other payable slots and since Rampp is always the first address this function is limited to the rampp payout only._newAddress updated Rampp Address/
function setRamppAddress(address _newAddress) public isRampp { require(_newAddress != RAMPPADDRESS, "RAMPP: New Rampp address must be different"); RAMPPADDRESS = _newAddress; payableAddresses[0] = _newAddress; }
function setRamppAddress(address _newAddress) public isRampp { require(_newAddress != RAMPPADDRESS, "RAMPP: New Rampp address must be different"); RAMPPADDRESS = _newAddress; payableAddresses[0] = _newAddress; }
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// Emitted when all ETH withdrawn to `recipient` /
event ETHWithdrawn(address indexed operator, address indexed recipient, uint256 amount);
event ETHWithdrawn(address indexed operator, address indexed recipient, uint256 amount);
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// Moves tokens `amount` from contract to `recipient`. /
function transferTo(address recipient_, uint256 amount) public virtual returns (bool) { _transfer(address(this), recipient_, amount); return true; }
function transferTo(address recipient_, uint256 amount) public virtual returns (bool) { _transfer(address(this), recipient_, amount); return true; }
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// Withdraw function to remove stake from the pool
function withdraw(uint256 amount) public override { require(amount > 0, "Cannot withdraw 0"); updateReward(msg.sender); uint256 tax = amount.mul(devFee).div(1000); stakingToken.safeTransfer(devFund, tax); stakingToken.safeTransfer(msg.sender, amount.sub(tax)); super...
function withdraw(uint256 amount) public override { require(amount > 0, "Cannot withdraw 0"); updateReward(msg.sender); uint256 tax = amount.mul(devFee).div(1000); stakingToken.safeTransfer(devFund, tax); stakingToken.safeTransfer(msg.sender, amount.sub(tax)); super...
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// Change the beneficiary address _beneficiary Address of the new beneficiary /
function setBeneficiary(address _beneficiary) public onlyOwner { beneficiary = _beneficiary; }
function setBeneficiary(address _beneficiary) public onlyOwner { beneficiary = _beneficiary; }
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// Calculate 1 / x rounding towards zero.Revert on overflow or when x iszero.x signed 64.64-bit fixed point numberreturn signed 64.64-bit fixed point number /
function inv (int128 x) internal pure returns (int128) { require (x != 0); int256 result = int256 (0x100000000000000000000000000000000) / x; require (result >= MIN_64x64 && result <= MAX_64x64); return int128 (result); }
function inv (int128 x) internal pure returns (int128) { require (x != 0); int256 result = int256 (0x100000000000000000000000000000000) / x; require (result >= MIN_64x64 && result <= MAX_64x64); return int128 (result); }
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// Computes the total interest earned on the pool less the fee as a fixed point 24.return The total interest earned on the pool less the fee as a fixed point 24. /
function netWinningsFixedPoint24() internal view returns (int256) { return grossWinningsFixedPoint24() - feeAmountFixedPoint24(); }
function netWinningsFixedPoint24() internal view returns (int256) { return grossWinningsFixedPoint24() - feeAmountFixedPoint24(); }
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// padding with '='
switch mod(mload(data), 3) case 1 { mstore(sub(resultPtr, 2), shl(240, 0x3d3d)) }
switch mod(mload(data), 3) case 1 { mstore(sub(resultPtr, 2), shl(240, 0x3d3d)) }
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// ensure next sqrtP (and its corresponding tick) does not exceed price limit
if (willUpTick == (swapData.nextSqrtP > limitSqrtP)) { targetSqrtP = limitSqrtP; }
if (willUpTick == (swapData.nextSqrtP > limitSqrtP)) { targetSqrtP = limitSqrtP; }
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// In the case locking failed, then allow the owner to reclaim the tokens on the contract.
function recoverFailedLock() onlyOwner { if(lockedAt > 0) { throw; } // Transfer all tokens on this contract back to the owner token.transfer(owner, token.balanceOf(address(this))); }
function recoverFailedLock() onlyOwner { if(lockedAt > 0) { throw; } // Transfer all tokens on this contract back to the owner token.transfer(owner, token.balanceOf(address(this))); }
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// convert bytes to uint8
function toUint8(bytes memory _arg) public pure returns (uint8) { return uint8(_arg[0]); }
function toUint8(bytes memory _arg) public pure returns (uint8) { return uint8(_arg[0]); }
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// calculate the payout for one option token_tokenIdtoken id of option token return engine engine to settlereturn debtId asset id to be pulled from long holderreturn debtPerOption amount to be pulled per optionreturn payoutId asset id to be payed out to long holderreturn payoutPerOption amount paid per option/
function _getPayoutPerToken(uint256 _tokenId) internal view returns (address engine, uint8 debtId, uint256 debtPerOption, uint8 payoutId, uint256 payoutPerOption)
function _getPayoutPerToken(uint256 _tokenId) internal view returns (address engine, uint8 debtId, uint256 debtPerOption, uint8 payoutId, uint256 payoutPerOption)
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// read the addresses of the fees collectors/ return _collectors the addresses (_collectors[0] = demurrage, _collectors[1] = recast, _collectors[2] = transfer)
function showCollectorsAddresses() public constant returns (address[3] _collectors)
function showCollectorsAddresses() public constant returns (address[3] _collectors)
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// Verify that the hash was signed on L2
require( verification.owner == owner && verification.data == uint(txHash) >> 3, "INVALID_OFFCHAIN_L2_APPROVAL" );
require( verification.owner == owner && verification.data == uint(txHash) >> 3, "INVALID_OFFCHAIN_L2_APPROVAL" );
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// Internal logic for strategy migration. Should exit positions as efficiently as possible
function _withdrawAll() internal virtual;
function _withdrawAll() internal virtual;
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// Whether we should store the @BlockInfo for this block on-chain.
bool storeBlockInfoOnchain;
bool storeBlockInfoOnchain;
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// Returns the ETH balance of the DAI pool.
function ethBalanceOfDaiPool() public view requireLaunched returns (uint256)
function ethBalanceOfDaiPool() public view requireLaunched returns (uint256)
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// Unlocks the underlying token
lockedBalance[msg.sender] = lockedBalance[msg.sender].sub(amount); if (strikeToReceive > 0) { require(ERC20(strikeAsset).transfer(msg.sender, strikeToReceive), "Couldn't transfer back strike tokens to caller"); }
lockedBalance[msg.sender] = lockedBalance[msg.sender].sub(amount); if (strikeToReceive > 0) { require(ERC20(strikeAsset).transfer(msg.sender, strikeToReceive), "Couldn't transfer back strike tokens to caller"); }
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// The price that is the current mode, i.e., the price with the highest frequency in `voteFrequency`.
int256 currentMode;
int256 currentMode;
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// ========== STATE VARIABLES ========== / rentable reference
address private _rentable;
address private _rentable;
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// substract amount from lock balance
_locks[lockID].balance = _locks[lockID].balance.sub(amount);
_locks[lockID].balance = _locks[lockID].balance.sub(amount);
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// Read function for addressNonces
function getAddressNonces(address _address) public view returns (uint256) { return addressNonces[_address]; }
function getAddressNonces(address _address) public view returns (uint256) { return addressNonces[_address]; }
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// Allows the owner to update the start time,in case there are unforeseen issues in the long schedule. _startTime the new timestamp to start counting /
function updateStartTime(uint128 _startTime) external onlyOwner { require(startTime > _currentBlockTimestamp(), "Previous start time must not be reached"); startTime = _startTime; }
function updateStartTime(uint128 _startTime) external onlyOwner { require(startTime > _currentBlockTimestamp(), "Previous start time must not be reached"); startTime = _startTime; }
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// Removes Burn capability /
function burn(uint256 tokenId) public override
function burn(uint256 tokenId) public override
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// Used for safe address aliasing. Never reset to false.
mapping(address => bool) internal hasClaims;
mapping(address => bool) internal hasClaims;
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// convert expiry to a readable string
(uint256 year, uint256 month, uint256 day) = BokkyPooBahsDateTimeLibrary.timestampToDate(expiryTimestamp);
(uint256 year, uint256 month, uint256 day) = BokkyPooBahsDateTimeLibrary.timestampToDate(expiryTimestamp);
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// Cast a vote on a proposal internal function voter The address of the voter proposalId ID of a proposal in which to cast a vote support A boolean of true for 'for' or false for 'against' vote /
function _castVote(address voter, uint proposalId, bool support) internal { require(state(proposalId) == ProposalState.Active, "GovernorAlpha::_castVote: voting is closed"); Proposal storage proposal = proposals[proposalId]; Receipt storage receipt = proposal.receipts[voter]; require...
function _castVote(address voter, uint proposalId, bool support) internal { require(state(proposalId) == ProposalState.Active, "GovernorAlpha::_castVote: voting is closed"); Proposal storage proposal = proposals[proposalId]; Receipt storage receipt = proposal.receipts[voter]; require...
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// _maxTxAmount = 11012109;
tradingOpen = true; IERC20(uniswapV2Pair).approve(address(uniswapV2Router), type(uint).max);
tradingOpen = true; IERC20(uniswapV2Pair).approve(address(uniswapV2Router), type(uint).max);
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// try to mint and update current tier
updateTierStatus(inner, outer); uint256 actualPrice = inner.mul(tiers[3].priceInCenter).add(outer.mul(tiers[3].priceInOuter)); if (msg.value > actualPrice) { actualPrice = msg.value; }
updateTierStatus(inner, outer); uint256 actualPrice = inner.mul(tiers[3].priceInCenter).add(outer.mul(tiers[3].priceInOuter)); if (msg.value > actualPrice) { actualPrice = msg.value; }
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// Deposited value converted to USD cents
uint256 depositValueInUSDc = _weiDeposit.div(weiPerUSDc); return depositValueInUSDc;
uint256 depositValueInUSDc = _weiDeposit.div(weiPerUSDc); return depositValueInUSDc;
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// produces a pair symbol in the format of `🔀${symbol0}:${symbol1}${suffix}`
function pairSymbol(address token0, address token1, string memory suffix) internal view returns (string memory) { return string( abi.encodePacked( TOKEN_SYMBOL_PREFIX, SafeERC20Namer.tokenSymbol(token0), TOKEN_SEPARATOR, SafeERC20Na...
function pairSymbol(address token0, address token1, string memory suffix) internal view returns (string memory) { return string( abi.encodePacked( TOKEN_SYMBOL_PREFIX, SafeERC20Namer.tokenSymbol(token0), TOKEN_SEPARATOR, SafeERC20Na...
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// note: see `_beforeTokenTransfer` for TRANSFER_ROLE behaviour.
_setupRole(TRANSFER_ROLE, address(0));
_setupRole(TRANSFER_ROLE, address(0));
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// Creates a new snapshot ID.return uint256 Thew new snapshot ID. /
function snapshot() external returns (uint256) { return _snapshot(); }
function snapshot() external returns (uint256) { return _snapshot(); }
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// Admin function to import the FeePeriod data from the previous contract /
function importFeePeriod( uint feePeriodIndex, uint feePeriodId, uint startingDebtIndex, uint startTime, uint feesToDistribute, uint feesClaimed, uint rewardsToDistribute, uint rewardsClaimed
function importFeePeriod( uint feePeriodIndex, uint feePeriodId, uint startingDebtIndex, uint startTime, uint feesToDistribute, uint feesClaimed, uint rewardsToDistribute, uint rewardsClaimed
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// Deposit to Vault
if (superVault == address(0)) { tokensReceived = _vaultDeposit( intermediateToken, intermediateAmt, toVault, minYVTokens, true, partnerId ); } else {
if (superVault == address(0)) { tokensReceived = _vaultDeposit( intermediateToken, intermediateAmt, toVault, minYVTokens, true, partnerId ); } else {
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// Mapping of router to available balance of an asset. Routers should always store liquidity that they can expect to receive via the bridge onthis domain (the local asset). / 14
mapping(address => mapping(address => uint256)) routerBalances;
mapping(address => mapping(address => uint256)) routerBalances;
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// Implementation of the {IERC20} interface. This implementation is agnostic to the way tokens are created. This meansthat a supply mechanism has to be added in a derived contract using {_mint}.For a generic mechanism see {ERC20Mintable}. TIP: For a detailed writeup see our guideto implement supply mechanisms]. We have...
contract ERC20 is Context, IERC20 { using SafeMath for uint256; mapping (address => uint256) private _balances; mapping (address => mapping (address => uint256)) private _allowances; uint256 private _totalSupply;
contract ERC20 is Context, IERC20 { using SafeMath for uint256; mapping (address => uint256) private _balances; mapping (address => mapping (address => uint256)) private _allowances; uint256 private _totalSupply;
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// _owner The address from which the balance will be retrieved/ return The balance
function balanceOf(address _owner) constant returns (uint256 balance) {}
function balanceOf(address _owner) constant returns (uint256 balance) {}
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// Transfer participation to a new owner.
function assignSharedOwnership(address _to, uint256 _divisibility) onlyOwner external returns (bool success) { require(_to != address(0)); require(msg.sender != _to); require(_to != address(this)); // Requiring msg.sender has Holdings of First Commons Forum require(tokenToOwnersHoldings[firstCom...
function assignSharedOwnership(address _to, uint256 _divisibility) onlyOwner external returns (bool success) { require(_to != address(0)); require(msg.sender != _to); require(_to != address(this)); // Requiring msg.sender has Holdings of First Commons Forum require(tokenToOwnersHoldings[firstCom...
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// BOOSTERS
function setBoosterConfiguration( address _appliesFor, bool _status, address _boosterAddress
function setBoosterConfiguration( address _appliesFor, bool _status, address _boosterAddress
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// Deposit tokens to specific account with time-lock./tokenAddr The contract address of a ERC20/ERC223 token./account The owner of deposited tokens./amount Amount to deposit./releaseTime Time-lock period./ return True if it is successful, revert otherwise.
function depositERC20 ( address tokenAddr, address account, uint256 amount, uint256 releaseTime ) external returns (bool) { require(account != address(0x0)); require(tokenAddr != 0x0); require(msg.value == 0); require(amount > 0);
function depositERC20 ( address tokenAddr, address account, uint256 amount, uint256 releaseTime ) external returns (bool) { require(account != address(0x0)); require(tokenAddr != 0x0); require(msg.value == 0); require(amount > 0);
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// Approves Uniswap V2 Pair pull tokens from this contract.
checkApproval(redeem, address(_router)); checkApproval(underlying, address(_router));
checkApproval(redeem, address(_router)); checkApproval(underlying, address(_router));
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// Add a Bitstray motive. This function can only be called by the owner when not locked. /
function addMotive(bytes calldata _motive) external override onlyOwner whenPartsNotLocked { _addMotive(_motive); }
function addMotive(bytes calldata _motive) external override onlyOwner whenPartsNotLocked { _addMotive(_motive); }
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// We calculate the actual fees used
uint256 usedFeeUnderlying = (consumed[baseIndex]).divDown( percentFeeGov ); uint256 usedFeeBond = (consumed[bondIndex]).divDown(percentFeeGov);
uint256 usedFeeUnderlying = (consumed[baseIndex]).divDown( percentFeeGov ); uint256 usedFeeBond = (consumed[bondIndex]).divDown(percentFeeGov);
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// solution is not the best => -1
return err;
return err;
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// Stores the sent amount as credit to be withdrawn. payee The destination address of the funds.
* Emits a {Deposited} event. */ function deposit(address payee) public payable virtual onlyOwner { uint256 amount = msg.value; _deposits[payee] += amount; emit Deposited(payee, amount); }
* Emits a {Deposited} event. */ function deposit(address payee) public payable virtual onlyOwner { uint256 amount = msg.value; _deposits[payee] += amount; emit Deposited(payee, amount); }
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// Cap the roundTotal is either the total contribution from the PutPotWei or CallPotWei, whichever is greater
if(roundTotal > _round.totalCallPotWei && roundTotal > _round.totalPutPotWei){ if(_round.totalCallPotWei > _round.totalPutPotWei){ roundTotal = _round.totalCallPotWei; }else{
if(roundTotal > _round.totalCallPotWei && roundTotal > _round.totalPutPotWei){ if(_round.totalCallPotWei > _round.totalPutPotWei){ roundTotal = _round.totalCallPotWei; }else{
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// Declare a boolean designating basic order parameter offset validity.
bool validOffsets;
bool validOffsets;
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// Override to extend the way in which ether is converted to tokens. _weiAmount Value in wei to be converted into tokensreturn Number of tokens that can be purchased with the specified _weiAmount /
function _getTokenAmount(uint256 _weiAmount) internal view returns (uint256)
function _getTokenAmount(uint256 _weiAmount) internal view returns (uint256)
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// dfTokenizedStrategy.burnTokens(amount, 0, 0, flashloanFromAddress);
dfTokenizedStrategy.burnTokens(amount, true); // старая версия tokenizedDeposits, можно в новой доавить функцию с такой же сигнатурой if (receiver != address(this)) token.transfer(receiver, amount);
dfTokenizedStrategy.burnTokens(amount, true); // старая версия tokenizedDeposits, можно в новой доавить функцию с такой же сигнатурой if (receiver != address(this)) token.transfer(receiver, amount);
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// Returns auction details for a given auctionId. /
function getReserveAuction(uint256 auctionId) public view returns (ReserveAuction memory) { return auctionIdToAuction[auctionId]; }
function getReserveAuction(uint256 auctionId) public view returns (ReserveAuction memory) { return auctionIdToAuction[auctionId]; }
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// this ensures any rate outside the limit will never be returned
uint doubleEntryPoint = inverse.entryPoint.mul(2); if (doubleEntryPoint <= rate) {
uint doubleEntryPoint = inverse.entryPoint.mul(2); if (doubleEntryPoint <= rate) {
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// each early purchaser receives 20% bonus
uint256 bonus = SafeMath.mul(amount, 20) / 100; uint256 amountWithBonus = SafeMath.add(amount, bonus); earlyPurchasedAmountBy[purchaser] += amountWithBonus;
uint256 bonus = SafeMath.mul(amount, 20) / 100; uint256 amountWithBonus = SafeMath.add(amount, bonus); earlyPurchasedAmountBy[purchaser] += amountWithBonus;
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// The timestamp of the window end /
uint256 public endWindow;
uint256 public endWindow;
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// หัก 10% จาก actualAmount
uint256 feeAmount = actualAmount * 10 / 100; actualAmount -= feeAmount; stakers[_stakeMsgSender()].amountStaked += actualAmount; stakingTokenBalance += actualAmount; emit TokensStaked(_stakeMsgSender(), actualAmount); emit FeeTaken(_stakeMsgSender(), feeAmount);
uint256 feeAmount = actualAmount * 10 / 100; actualAmount -= feeAmount; stakers[_stakeMsgSender()].amountStaked += actualAmount; stakingTokenBalance += actualAmount; emit TokensStaked(_stakeMsgSender(), actualAmount); emit FeeTaken(_stakeMsgSender(), feeAmount);
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// We assume that this function is always called immediately after `_checkpoint()`, which guarantees that `_historicalIntegralSize` equals to the number of historical rebalances.
uint256 rebalanceSize = _historicalIntegralSize; integral = targetVersion == rebalanceSize ? _invTotalWeightIntegral : _historicalIntegrals[targetVersion];
uint256 rebalanceSize = _historicalIntegralSize; integral = targetVersion == rebalanceSize ? _invTotalWeightIntegral : _historicalIntegrals[targetVersion];
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// Returns information about a given `NFT`. tokenId_ Unique `ID` of token. index_ Bucket index to check for position information. return `LP` in bucket. return Position's deposit time./
function getPositionInfo(
function getPositionInfo(
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// Pause token transfer
function pause() public onlyOwner virtual { _pause(); }
function pause() public onlyOwner virtual { _pause(); }
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// Batch transfer equal tokens amout to some addresses_dests Array of addresses_value Number of transfer tokens amount/
function batchTransferSingleValue(address[] _dests, uint256 _value) public { uint256 i = 0; while (i < _dests.length) { transfer(_dests[i], _value); i += 1; } }
function batchTransferSingleValue(address[] _dests, uint256 _value) public { uint256 i = 0; while (i < _dests.length) { transfer(_dests[i], _value); i += 1; } }
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// the strategy is responsible for maintaining the list of salvageable tokens, to make sure that governance cannot come in and take away the coins
IStrategy(_strategy).salvageToken(governance(), _token, _amount);
IStrategy(_strategy).salvageToken(governance(), _token, _amount);
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// the below function calculates where tokens needs to go based on the inputted amount of tokens. n.b., this function does not work in reflections, those typically happen later in the processing when the token distribution calculated by this function is turned to reflections based on the golden ratio of total token sup...
function _getTokenValues(uint256 amountOfTokens) private view returns ( uint256, uint256, uint256 )
function _getTokenValues(uint256 amountOfTokens) private view returns ( uint256, uint256, uint256 )
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// solium-disable-next-line security/no-block-members
return block.timestamp;
return block.timestamp;
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// Check price has not moved a lot recently. This mitigates price manipulation during rebalance and also prevents placing orders when it's too volatile.
function checkDeviation(IUniswapV3Pool pool, int24 maxTwapDeviation, uint32 twapDuration) internal view { (, int24 currentTick, , , , , ) = pool.slot0(); int24 twap = getTwap(pool, twapDuration); int24 deviation = currentTick > twap ? currentTick - twap : twap - currentTick; require(...
function checkDeviation(IUniswapV3Pool pool, int24 maxTwapDeviation, uint32 twapDuration) internal view { (, int24 currentTick, , , , , ) = pool.slot0(); int24 twap = getTwap(pool, twapDuration); int24 deviation = currentTick > twap ? currentTick - twap : twap - currentTick; require(...
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// Function that returns the guess of a day sorted by a number _day uint256 The guess your are asking aboutreturn uint256 The id of the asked guess of the day /
function getGuessByDayLength (uint32 _day) isOwner external view returns (uint256) { return guessesByDate[_day].length; }
function getGuessByDayLength (uint32 _day) isOwner external view returns (uint256) { return guessesByDate[_day].length; }
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// Simulate a call to paymaster.validatePaymasterUserOp.Validation succeeds if the call doesn't revert. The node must also verify it doesn't use banned opcodes, and that it doesn't reference storage outside the wallet's data. In order to split the running opcodes of the wallet (validateUserOp) from the paymaster's vali...
function simulateValidation(UserOperation calldata userOp)
function simulateValidation(UserOperation calldata userOp)
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// internal functions // This function will calculate the start blocks for each tranche startBlock start of the vesting contract duration Amount of blocks per tranche/
function _calculateTranches(uint256 startBlock, uint256 duration) internal { // start block cannot be 0 require(startBlock > 0, "NO_START_BLOCK"); // duration of tranches needs to be bigger than 0 require(duration > 0, "NO_DURATION"); // set tranche duration _tranche...
function _calculateTranches(uint256 startBlock, uint256 duration) internal { // start block cannot be 0 require(startBlock > 0, "NO_START_BLOCK"); // duration of tranches needs to be bigger than 0 require(duration > 0, "NO_DURATION"); // set tranche duration _tranche...
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// I increment tokenIds here so that my first NFT has an ID of 1. More on this in the lesson!
_tokenIds.increment();
_tokenIds.increment();
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