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Txn Hash | Method |
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0x67cde15d31d66ca00b53d5e51509f4a4b17985424efac8b67a24f2857371ef15 | Transfer Ownersh... | 31904280 | 337 days 7 hrs ago | 0xb98d4d4e205aff4d4755e9df19bd0b8bd4e0f148 | IN | Fuji DAO: Flasher | 0 FTM | 0.079514225424 |
0x51a13515e2c814789cc22b353374db5b00adba9ac0331fb8d4411cf708e31ddc | Set Fuji Admin | 31903713 | 337 days 7 hrs ago | 0xb98d4d4e205aff4d4755e9df19bd0b8bd4e0f148 | IN | Fuji DAO: Flasher | 0 FTM | 0.06915724854 |
0x5f38b2dcc951a3309075bc04a652210f110525c420d93280e573412113806460 | 0x60c06040 | 31903708 | 337 days 7 hrs ago | 0xb98d4d4e205aff4d4755e9df19bd0b8bd4e0f148 | IN | Create: FlasherFTM | 0 FTM | 3.422263837059 |
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Latest 1 internal transaction
Parent Txn Hash | Block | From | To | Value | |||
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0x5f38b2dcc951a3309075bc04a652210f110525c420d93280e573412113806460 | 31903708 | 337 days 7 hrs ago | 0xb98d4d4e205aff4d4755e9df19bd0b8bd4e0f148 | Contract Creation | 0 FTM |
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Contract Name:
FlasherFTM
Compiler Version
v0.8.2+commit.661d1103
Optimization Enabled:
Yes with 1000 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "@openzeppelin/contracts/token/ERC20/IERC20.sol"; import "../../abstracts/claimable/Claimable.sol"; import "../../interfaces/IFujiAdmin.sol"; import "../../interfaces/IVault.sol"; import "../../interfaces/IFlasher.sol"; import "../../interfaces/IFliquidator.sol"; import "../../interfaces/IFujiMappings.sol"; import "../../interfaces/IWETH.sol"; import "../../libraries/FlashLoans.sol"; import "../../libraries/Errors.sol"; import "../../interfaces/aave/IFlashLoanReceiver.sol"; import "../../interfaces/aave/IAaveLendingPool.sol"; import "../../interfaces/cream/ICTokenFlashloan.sol"; import "../../interfaces/cream/ICFlashloanReceiver.sol"; import "../libraries/LibUniversalERC20FTM.sol"; /** * @dev Contract that handles Fuji protocol flash loan logic and * the specific logic of all active flash loan providers used by Fuji protocol. */ contract FlasherFTM is IFlasher, Claimable, IFlashLoanReceiver, ICFlashloanReceiver { using LibUniversalERC20FTM for IERC20; IFujiAdmin private _fujiAdmin; address private constant _FTM = 0xFFfFfFffFFfffFFfFFfFFFFFffFFFffffFfFFFfF; address private constant _WFTM = 0x21be370D5312f44cB42ce377BC9b8a0cEF1A4C83; address private immutable _geistLendingPool = 0x9FAD24f572045c7869117160A571B2e50b10d068; IFujiMappings private immutable _crMappings = IFujiMappings(0x1eEdE44b91750933C96d2125b6757C4F89e63E20); bytes32 private _paramsHash; // need to be payable because of the conversion ETH <> WETH receive() external payable {} /** * @dev Throws if caller is not 'owner'. */ modifier isAuthorized() { require( msg.sender == _fujiAdmin.getController() || msg.sender == _fujiAdmin.getFliquidator() || msg.sender == owner(), Errors.VL_NOT_AUTHORIZED ); _; } /** * @dev Sets the fujiAdmin Address * @param _newFujiAdmin: FujiAdmin Contract Address * Emits a {FujiAdminChanged} event. */ function setFujiAdmin(address _newFujiAdmin) public onlyOwner { _fujiAdmin = IFujiAdmin(_newFujiAdmin); emit FujiAdminChanged(_newFujiAdmin); } /** * @dev Routing Function for Flashloan Provider * @param info: struct information for flashLoan * @param _flashnum: integer identifier of flashloan provider */ function initiateFlashloan(FlashLoan.Info calldata info, uint8 _flashnum) external override isAuthorized { _paramsHash = keccak256(abi.encode(info)); if (_flashnum == 0) { _initiateGeistFlashLoan(info); } else if (_flashnum == 2) { _initiateCreamFlashLoan(info); } else { revert(Errors.VL_INVALID_FLASH_NUMBER); } } /** * @dev Initiates an Geist flashloan. * @param info: data to be passed between functions executing flashloan logic */ function _initiateGeistFlashLoan(FlashLoan.Info calldata info) internal { //Initialize Instance of Geist Lending Pool IAaveLendingPool geistLp = IAaveLendingPool(_geistLendingPool); //Passing arguments to construct Geist flashloan -limited to 1 asset type for now. address receiverAddress = address(this); address[] memory assets = new address[](1); assets[0] = address(info.asset == _FTM ? _WFTM : info.asset); uint256[] memory amounts = new uint256[](1); amounts[0] = info.amount; // 0 = no debt, 1 = stable, 2 = variable uint256[] memory modes = new uint256[](1); //modes[0] = 0; //address onBehalfOf = address(this); //bytes memory params = abi.encode(info); //uint16 referralCode = 0; //Geist Flashloan initiated. geistLp.flashLoan(receiverAddress, assets, amounts, modes, address(this), abi.encode(info), 0); } /** * @dev Executes Geist Flashloan, this operation is required * and called by Geistflashloan when sending loaned amount */ function executeOperation( address[] calldata assets, uint256[] calldata amounts, uint256[] calldata premiums, address initiator, bytes calldata params ) external override returns (bool) { require( msg.sender == _geistLendingPool && initiator == address(this), Errors.VL_NOT_AUTHORIZED ); FlashLoan.Info memory info = abi.decode(params, (FlashLoan.Info)); require( _paramsHash == keccak256(abi.encode(info)), "False entry point!"); uint256 _value; if (info.asset == _FTM) { // Convert WETH to ETH and assign amount to be set as msg.value _convertWethToEth(amounts[0]); _value = info.amount; } else { // Transfer to Vault the flashloan Amount // _value is 0 IERC20(assets[0]).univTransfer(payable(info.vault), amounts[0]); } _executeAction(info, amounts[0], premiums[0], _value); //Approve geistLP to spend to repay flashloan _approveBeforeRepay(info.asset == _FTM, assets[0], amounts[0] + premiums[0], _geistLendingPool); _paramsHash = ""; return true; } // ===================== CreamFinance FlashLoan =================================== /** * @dev Initiates an CreamFinance flashloan. * @param info: data to be passed between functions executing flashloan logic */ function _initiateCreamFlashLoan(FlashLoan.Info calldata info) internal { address crToken = info.asset == _FTM ? 0xd528697008aC67A21818751A5e3c58C8daE54696 : _crMappings.addressMapping(info.asset); // Prepara data for flashloan execution bytes memory params = abi.encode(info); // Initialize Instance of Cream crLendingContract ICTokenFlashloan(crToken).flashLoan(address(this), address(this), info.amount, params); } /** * @dev Executes CreamFinance Flashloan, this operation is required * and called by CreamFinanceflashloan when sending loaned amount */ function onFlashLoan( address sender, address underlying, uint256 amount, uint256 fee, bytes calldata params ) external override returns (bytes32) { // Check Msg. Sender is crToken Lending Contract // from IronBank because ETH on Cream cannot perform a flashloan address crToken = underlying == _WFTM ? 0xd528697008aC67A21818751A5e3c58C8daE54696 : _crMappings.addressMapping(underlying); require(msg.sender == crToken && address(this) == sender, Errors.VL_NOT_AUTHORIZED); require(IERC20(underlying).balanceOf(address(this)) >= amount, Errors.VL_FLASHLOAN_FAILED); FlashLoan.Info memory info = abi.decode(params, (FlashLoan.Info)); require( _paramsHash == keccak256(abi.encode(info)), "False entry point!"); uint256 _value; if (info.asset == _FTM) { // Convert WFTM to FTM and assign amount to be set as msg.value _convertWethToEth(amount); _value = amount; } else { // Transfer to Vault the flashloan Amount // _value is 0 IERC20(underlying).univTransfer(payable(info.vault), amount); } // Do task according to CallType _executeAction(info, amount, fee, _value); if (info.asset == _FTM) _convertEthToWeth(amount + fee); // Transfer flashloan + fee back to crToken Lending Contract IERC20(underlying).univApprove(payable(crToken), amount + fee); _paramsHash = ""; return keccak256("ERC3156FlashBorrowerInterface.onFlashLoan"); } // ======================================================== // // flash loans come here.... // // ======================================================== function _executeAction( FlashLoan.Info memory _info, uint256 _amount, uint256 _fee, uint256 _value ) internal { if (_info.callType == FlashLoan.CallType.Switch) { IVault(_info.vault).executeSwitch{ value: _value }(_info.newProvider, _amount, _fee); } else if (_info.callType == FlashLoan.CallType.Close) { IFliquidator(_info.fliquidator).executeFlashClose{ value: _value }( _info.userAddrs[0], _info.vault, _amount, _fee ); } else { IFliquidator(_info.fliquidator).executeFlashBatchLiquidation{ value: _value }( _info.userAddrs, _info.userBalances, _info.userliquidator, _info.vault, _amount, _fee ); } } function _approveBeforeRepay( bool _isFTM, address _asset, uint256 _amount, address _spender ) internal { if (_isFTM) { _convertEthToWeth(_amount); IERC20(_WFTM).univApprove(payable(_spender), _amount); } else { IERC20(_asset).univApprove(payable(_spender), _amount); } } function _convertEthToWeth(uint256 _amount) internal { IWETH(_WFTM).deposit{ value: _amount }(); } function _convertWethToEth(uint256 _amount) internal { IWETH token = IWETH(_WFTM); token.withdraw(_amount); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /** * @dev Interface of the ERC20 standard as defined in the EIP. */ interface IERC20 { /** * @dev Returns the amount of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @dev Returns the amount of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves `amount` tokens from the caller's account to `recipient`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address recipient, uint256 amount) external returns (bool); /** * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. */ function allowance(address owner, address spender) external view returns (uint256); /** * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. */ function approve(address spender, uint256 amount) external returns (bool); /** * @dev Moves `amount` tokens from `sender` to `recipient` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom( address sender, address recipient, uint256 amount ) external returns (bool); /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval(address indexed owner, address indexed spender, uint256 value); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "@openzeppelin/contracts/utils/Context.sol"; /** * @dev Abstract contract that implements a modified version of Openzeppelin {Ownable.sol} contract. * It creates a two step process for the transfer of ownership. */ abstract contract Claimable is Context { address private _owner; address public pendingOwner; // Claimable Events /** * @dev Emits when step two in ownership transfer is completed. */ event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Emits when step one in ownership transfer is initiated. */ event NewPendingOwner(address indexed owner); /** * @dev Initializes the contract setting the deployer as the initial owner. */ constructor() { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } /** * @dev Returns the address of the current owner. */ function owner() public view virtual returns (address) { return _owner; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(_msgSender() == owner(), "Ownable: caller is not the owner"); _; } /** * @dev Throws if called by any account other than the pendingOwner. */ modifier onlyPendingOwner() { require(_msgSender() == pendingOwner); _; } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(owner(), address(0)); _owner = address(0); } /** * @dev Step one of ownership transfer. * Initiates transfer of ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. * * NOTE:`newOwner` requires to claim ownership in order to be able to call * {onlyOwner} modified functions. */ function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Cannot pass zero address!"); require(pendingOwner == address(0), "There is a pending owner!"); pendingOwner = newOwner; emit NewPendingOwner(newOwner); } /** * @dev Cancels the transfer of ownership of the contract. * Can only be called by the current owner. */ function cancelTransferOwnership() public onlyOwner { require(pendingOwner != address(0)); delete pendingOwner; emit NewPendingOwner(address(0)); } /** * @dev Step two of ownership transfer. * 'pendingOwner' claims ownership of the contract. * Can only be called by the pending owner. */ function claimOwnership() public onlyPendingOwner { emit OwnershipTransferred(owner(), pendingOwner); _owner = pendingOwner; delete pendingOwner; } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; interface IFujiAdmin { // FujiAdmin Events /** * @dev Log change of flasher address */ event FlasherChanged(address newFlasher); /** * @dev Log change of fliquidator address */ event FliquidatorChanged(address newFliquidator); /** * @dev Log change of treasury address */ event TreasuryChanged(address newTreasury); /** * @dev Log change of controller address */ event ControllerChanged(address newController); /** * @dev Log change of vault harvester address */ event VaultHarvesterChanged(address newHarvester); /** * @dev Log change of swapper address */ event SwapperChanged(address newSwapper); /** * @dev Log change of vault address permission */ event VaultPermitChanged(address vaultAddress, bool newPermit); function validVault(address _vaultAddr) external view returns (bool); function getFlasher() external view returns (address); function getFliquidator() external view returns (address); function getController() external view returns (address); function getTreasury() external view returns (address payable); function getVaultHarvester() external view returns (address); function getSwapper() external view returns (address); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; interface IVault { // Vault Events /** * @dev Log a deposit transaction done by a user */ event Deposit(address indexed userAddrs, address indexed asset, uint256 amount); /** * @dev Log a withdraw transaction done by a user */ event Withdraw(address indexed userAddrs, address indexed asset, uint256 amount); /** * @dev Log a borrow transaction done by a user */ event Borrow(address indexed userAddrs, address indexed asset, uint256 amount); /** * @dev Log a payback transaction done by a user */ event Payback(address indexed userAddrs, address indexed asset, uint256 amount); /** * @dev Log a switch from provider to new provider in vault */ event Switch( address fromProviderAddrs, address toProviderAddr, uint256 debtamount, uint256 collattamount ); /** * @dev Log a change in active provider */ event SetActiveProvider(address newActiveProviderAddress); /** * @dev Log a change in the array of provider addresses */ event ProvidersChanged(address[] newProviderArray); /** * @dev Log a change in F1155 address */ event F1155Changed(address newF1155Address); /** * @dev Log a change in fuji admin address */ event FujiAdminChanged(address newFujiAdmin); /** * @dev Log a change in the factor values */ event FactorChanged(FactorType factorType, uint64 newFactorA, uint64 newFactorB); /** * @dev Log a change in the oracle address */ event OracleChanged(address newOracle); enum FactorType { Safety, Collateralization, ProtocolFee, BonusLiquidation } struct Factor { uint64 a; uint64 b; } // Core Vault Functions function deposit(uint256 _collateralAmount) external payable; function withdraw(int256 _withdrawAmount) external; function withdrawLiq(int256 _withdrawAmount) external; function borrow(uint256 _borrowAmount) external; function payback(int256 _repayAmount) external payable; function paybackLiq(address[] memory _users, uint256 _repayAmount) external payable; function executeSwitch( address _newProvider, uint256 _flashLoanDebt, uint256 _fee ) external payable; //Getter Functions function activeProvider() external view returns (address); function borrowBalance(address _provider) external view returns (uint256); function depositBalance(address _provider) external view returns (uint256); function userDebtBalance(address _user) external view returns (uint256); function userProtocolFee(address _user) external view returns (uint256); function userDepositBalance(address _user) external view returns (uint256); function getNeededCollateralFor(uint256 _amount, bool _withFactors) external view returns (uint256); function getLiquidationBonusFor(uint256 _amount) external view returns (uint256); function getProviders() external view returns (address[] memory); function fujiERC1155() external view returns (address); //Setter Functions function setActiveProvider(address _provider) external; function updateF1155Balances() external; function protocolFee() external view returns (uint64, uint64); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "../libraries/FlashLoans.sol"; interface IFlasher { /** * @dev Logs a change in FujiAdmin address. */ event FujiAdminChanged(address newFujiAdmin); function initiateFlashloan(FlashLoan.Info calldata info, uint8 amount) external; }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; interface IFliquidator { function executeFlashClose( address _userAddr, address _vault, uint256 _amount, uint256 _flashloanfee ) external payable; function executeFlashBatchLiquidation( address[] calldata _userAddrs, uint256[] calldata _usrsBals, address _liquidatorAddr, address _vault, uint256 _amount, uint256 _flashloanFee ) external payable; }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; interface IFujiMappings { // FujiMapping Events /** * @dev Log a change in address mapping */ event MappingChanged(address keyAddress, address mappedAddress); /** * @dev Log a change in URI */ event UriChanged(string newUri); function addressMapping(address) external view returns (address); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; interface IWETH { function approve(address, uint256) external; function deposit() external payable; function withdraw(uint256) external; }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; library Account { enum Status { Normal, Liquid, Vapor } struct Info { address owner; // The address that owns the account uint256 number; // A nonce that allows a single address to control many accounts } } library Actions { enum ActionType { Deposit, // supply tokens Withdraw, // borrow tokens Transfer, // transfer balance between accounts Buy, // buy an amount of some token (publicly) Sell, // sell an amount of some token (publicly) Trade, // trade tokens against another account Liquidate, // liquidate an undercollateralized or expiring account Vaporize, // use excess tokens to zero-out a completely negative account Call // send arbitrary data to an address } struct ActionArgs { ActionType actionType; uint256 accountId; Types.AssetAmount amount; uint256 primaryMarketId; uint256 secondaryMarketId; address otherAddress; uint256 otherAccountId; bytes data; } } library Types { enum AssetDenomination { Wei, // the amount is denominated in wei Par // the amount is denominated in par } enum AssetReference { Delta, // the amount is given as a delta from the current value Target // the amount is given as an exact number to end up at } struct AssetAmount { bool sign; // true if positive AssetDenomination denomination; AssetReference ref; uint256 value; } } library FlashLoan { /** * @dev Used to determine which vault's function to call post-flashloan: * - Switch for executeSwitch(...) * - Close for executeFlashClose(...) * - Liquidate for executeFlashLiquidation(...) * - BatchLiquidate for executeFlashBatchLiquidation(...) */ enum CallType { Switch, Close, BatchLiquidate } /** * @dev Struct of params to be passed between functions executing flashloan logic * @param asset: Address of asset to be borrowed with flashloan * @param amount: Amount of asset to be borrowed with flashloan * @param vault: Vault's address on which the flashloan logic to be executed * @param newProvider: New provider's address. Used when callType is Switch * @param userAddrs: User's address array Used when callType is BatchLiquidate * @param userBals: Array of user's balances, Used when callType is BatchLiquidate * @param userliquidator: The user's address who is performing liquidation. Used when callType is Liquidate * @param fliquidator: Fujis Liquidator's address. */ struct Info { CallType callType; address asset; uint256 amount; address vault; address newProvider; address[] userAddrs; uint256[] userBalances; address userliquidator; address fliquidator; } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /** * @title Errors library * @author Fuji * @notice Defines the error messages emitted by the different contracts * @dev Error messages prefix glossary: * - VL = Validation Logic 100 series * - MATH = Math libraries 200 series * - RF = Refinancing 300 series * - VLT = vault 400 series * - SP = Special 900 series */ library Errors { //Errors string public constant VL_INDEX_OVERFLOW = "100"; // index overflows uint128 string public constant VL_INVALID_MINT_AMOUNT = "101"; //invalid amount to mint string public constant VL_INVALID_BURN_AMOUNT = "102"; //invalid amount to burn string public constant VL_AMOUNT_ERROR = "103"; //Input value >0, and for ETH msg.value and amount shall match string public constant VL_INVALID_WITHDRAW_AMOUNT = "104"; //Withdraw amount exceeds provided collateral, or falls undercollaterized string public constant VL_INVALID_BORROW_AMOUNT = "105"; //Borrow amount does not meet collaterization string public constant VL_NO_DEBT_TO_PAYBACK = "106"; //Msg sender has no debt amount to be payback string public constant VL_MISSING_ERC20_ALLOWANCE = "107"; //Msg sender has not approved ERC20 full amount to transfer string public constant VL_USER_NOT_LIQUIDATABLE = "108"; //User debt position is not liquidatable string public constant VL_DEBT_LESS_THAN_AMOUNT = "109"; //User debt is less than amount to partial close string public constant VL_PROVIDER_ALREADY_ADDED = "110"; // Provider is already added in Provider Array string public constant VL_NOT_AUTHORIZED = "111"; //Not authorized string public constant VL_INVALID_COLLATERAL = "112"; //There is no Collateral, or Collateral is not in active in vault string public constant VL_NO_ERC20_BALANCE = "113"; //User does not have ERC20 balance string public constant VL_INPUT_ERROR = "114"; //Check inputs. For ERC1155 batch functions, array sizes should match. string public constant VL_ASSET_EXISTS = "115"; //Asset intended to be added already exists in FujiERC1155 string public constant VL_ZERO_ADDR_1155 = "116"; //ERC1155: balance/transfer for zero address string public constant VL_NOT_A_CONTRACT = "117"; //Address is not a contract. string public constant VL_INVALID_ASSETID_1155 = "118"; //ERC1155 Asset ID is invalid. string public constant VL_NO_ERC1155_BALANCE = "119"; //ERC1155: insufficient balance for transfer. string public constant VL_MISSING_ERC1155_APPROVAL = "120"; //ERC1155: transfer caller is not owner nor approved. string public constant VL_RECEIVER_REJECT_1155 = "121"; //ERC1155Receiver rejected tokens string public constant VL_RECEIVER_CONTRACT_NON_1155 = "122"; //ERC1155: transfer to non ERC1155Receiver implementer string public constant VL_OPTIMIZER_FEE_SMALL = "123"; //Fuji OptimizerFee has to be > 1 RAY (1e27) string public constant VL_UNDERCOLLATERIZED_ERROR = "124"; // Flashloan-Flashclose cannot be used when User's collateral is worth less than intended debt position to close. string public constant VL_MINIMUM_PAYBACK_ERROR = "125"; // Minimum Amount payback should be at least Fuji Optimizerfee accrued interest. string public constant VL_HARVESTING_FAILED = "126"; // Harvesting Function failed, check provided _farmProtocolNum or no claimable balance. string public constant VL_FLASHLOAN_FAILED = "127"; // Flashloan failed string public constant VL_ERC1155_NOT_TRANSFERABLE = "128"; // ERC1155: Not Transferable string public constant VL_SWAP_SLIPPAGE_LIMIT_EXCEED = "129"; // ERC1155: Not Transferable string public constant VL_ZERO_ADDR = "130"; // Zero Address string public constant VL_INVALID_FLASH_NUMBER = "131"; // invalid flashloan number string public constant VL_INVALID_HARVEST_PROTOCOL_NUMBER = "132"; // invalid flashloan number string public constant VL_INVALID_HARVEST_TYPE = "133"; // invalid flashloan number string public constant VL_INVALID_FACTOR = "134"; // invalid factor string public constant VL_INVALID_NEW_PROVIDER ="135"; // invalid newProvider in executeSwitch string public constant MATH_DIVISION_BY_ZERO = "201"; string public constant MATH_ADDITION_OVERFLOW = "202"; string public constant MATH_MULTIPLICATION_OVERFLOW = "203"; string public constant RF_INVALID_RATIO_VALUES = "301"; // Ratio Value provided is invalid, _ratioA/_ratioB <= 1, and > 0, or activeProvider borrowBalance = 0 string public constant RF_INVALID_NEW_ACTIVEPROVIDER = "302"; //Input '_newProvider' and vault's 'activeProvider' must be different string public constant VLT_CALLER_MUST_BE_VAULT = "401"; // The caller of this function must be a vault string public constant ORACLE_INVALID_LENGTH = "501"; // The assets length and price feeds length doesn't match string public constant ORACLE_NONE_PRICE_FEED = "502"; // The price feed is not found }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; interface IFlashLoanReceiver { function executeOperation( address[] calldata assets, uint256[] calldata amounts, uint256[] calldata premiums, address initiator, bytes calldata params ) external returns (bool); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; interface IAaveLendingPool { function flashLoan( address receiverAddress, address[] calldata assets, uint256[] calldata amounts, uint256[] calldata modes, address onBehalfOf, bytes calldata params, uint16 referralCode ) external; function deposit( address _asset, uint256 _amount, address _onBehalfOf, uint16 _referralCode ) external; function withdraw( address _asset, uint256 _amount, address _to ) external; function borrow( address _asset, uint256 _amount, uint256 _interestRateMode, uint16 _referralCode, address _onBehalfOf ) external; function repay( address _asset, uint256 _amount, uint256 _rateMode, address _onBehalfOf ) external; function setUserUseReserveAsCollateral(address _asset, bool _useAsCollateral) external; }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; interface ICTokenFlashloan { function flashLoan( address receiver, address initiator, uint256 amount, bytes calldata params ) external; }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; interface ICFlashloanReceiver { function onFlashLoan( address sender, address underlying, uint256 amount, uint256 fee, bytes calldata params ) external returns (bytes32); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import { IERC20 } from "@openzeppelin/contracts/token/ERC20/IERC20.sol"; import { SafeERC20 } from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol"; library LibUniversalERC20FTM { using SafeERC20 for IERC20; IERC20 private constant _FTM_ADDRESS = IERC20(0xFFfFfFffFFfffFFfFFfFFFFFffFFFffffFfFFFfF); IERC20 private constant _ZERO_ADDRESS = IERC20(0x0000000000000000000000000000000000000000); function isFTM(IERC20 token) internal pure returns (bool) { return (token == _ZERO_ADDRESS || token == _FTM_ADDRESS); } function univBalanceOf(IERC20 token, address account) internal view returns (uint256) { if (isFTM(token)) { return account.balance; } else { return token.balanceOf(account); } } function univTransfer( IERC20 token, address payable to, uint256 amount ) internal { if (amount > 0) { if (isFTM(token)) { (bool sent, ) = to.call{ value: amount }(""); require(sent, "Failed to send Ether"); } else { token.safeTransfer(to, amount); } } } function univApprove( IERC20 token, address to, uint256 amount ) internal { require(!isFTM(token), "Approve called on ETH"); if (amount == 0) { token.safeApprove(to, 0); } else { uint256 allowance = token.allowance(address(this), to); if (allowance < amount) { if (allowance > 0) { token.safeApprove(to, 0); } token.safeApprove(to, amount); } } } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /** * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "../IERC20.sol"; import "../../../utils/Address.sol"; /** * @title SafeERC20 * @dev Wrappers around ERC20 operations that throw on failure (when the token * contract returns false). Tokens that return no value (and instead revert or * throw on failure) are also supported, non-reverting calls are assumed to be * successful. * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract, * which allows you to call the safe operations as `token.safeTransfer(...)`, etc. */ library SafeERC20 { using Address for address; function safeTransfer( IERC20 token, address to, uint256 value ) internal { _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value)); } function safeTransferFrom( IERC20 token, address from, address to, uint256 value ) internal { _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value)); } /** * @dev Deprecated. This function has issues similar to the ones found in * {IERC20-approve}, and its usage is discouraged. * * Whenever possible, use {safeIncreaseAllowance} and * {safeDecreaseAllowance} instead. */ function safeApprove( IERC20 token, address spender, uint256 value ) internal { // safeApprove should only be called when setting an initial allowance, // or when resetting it to zero. To increase and decrease it, use // 'safeIncreaseAllowance' and 'safeDecreaseAllowance' require( (value == 0) || (token.allowance(address(this), spender) == 0), "SafeERC20: approve from non-zero to non-zero allowance" ); _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value)); } function safeIncreaseAllowance( IERC20 token, address spender, uint256 value ) internal { uint256 newAllowance = token.allowance(address(this), spender) + value; _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } function safeDecreaseAllowance( IERC20 token, address spender, uint256 value ) internal { unchecked { uint256 oldAllowance = token.allowance(address(this), spender); require(oldAllowance >= value, "SafeERC20: decreased allowance below zero"); uint256 newAllowance = oldAllowance - value; _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } } /** * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement * on the return value: the return value is optional (but if data is returned, it must not be false). * @param token The token targeted by the call. * @param data The call data (encoded using abi.encode or one of its variants). */ function _callOptionalReturn(IERC20 token, bytes memory data) private { // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since // we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that // the target address contains contract code and also asserts for success in the low-level call. bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed"); if (returndata.length > 0) { // Return data is optional require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed"); } } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /** * @dev Collection of functions related to the address type */ library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== */ function isContract(address account) internal view returns (bool) { // This method relies on extcodesize, which returns 0 for contracts in // construction, since the code is only stored at the end of the // constructor execution. uint256 size; assembly { size := extcodesize(account) } return size > 0; } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); (bool success, ) = recipient.call{value: amount}(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain `call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value ) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value, string memory errorMessage ) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); require(isContract(target), "Address: call to non-contract"); (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { return functionStaticCall(target, data, "Address: low-level static call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall( address target, bytes memory data, string memory errorMessage ) internal view returns (bytes memory) { require(isContract(target), "Address: static call to non-contract"); (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) { return functionDelegateCall(target, data, "Address: low-level delegate call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { require(isContract(target), "Address: delegate call to non-contract"); (bool success, bytes memory returndata) = target.delegatecall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason using the provided one. * * _Available since v4.3._ */ function verifyCallResult( bool success, bytes memory returndata, string memory errorMessage ) internal pure returns (bytes memory) { if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } }
{ "optimizer": { "enabled": true, "runs": 1000 }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "libraries": {} }
Contract Security Audit
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[{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"newFujiAdmin","type":"address"}],"name":"FujiAdminChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"}],"name":"NewPendingOwner","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"inputs":[],"name":"cancelTransferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"claimOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address[]","name":"assets","type":"address[]"},{"internalType":"uint256[]","name":"amounts","type":"uint256[]"},{"internalType":"uint256[]","name":"premiums","type":"uint256[]"},{"internalType":"address","name":"initiator","type":"address"},{"internalType":"bytes","name":"params","type":"bytes"}],"name":"executeOperation","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"components":[{"internalType":"enum FlashLoan.CallType","name":"callType","type":"uint8"},{"internalType":"address","name":"asset","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"address","name":"vault","type":"address"},{"internalType":"address","name":"newProvider","type":"address"},{"internalType":"address[]","name":"userAddrs","type":"address[]"},{"internalType":"uint256[]","name":"userBalances","type":"uint256[]"},{"internalType":"address","name":"userliquidator","type":"address"},{"internalType":"address","name":"fliquidator","type":"address"}],"internalType":"struct FlashLoan.Info","name":"info","type":"tuple"},{"internalType":"uint8","name":"_flashnum","type":"uint8"}],"name":"initiateFlashloan","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"underlying","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"fee","type":"uint256"},{"internalType":"bytes","name":"params","type":"bytes"}],"name":"onFlashLoan","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pendingOwner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_newFujiAdmin","type":"address"}],"name":"setFujiAdmin","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}]
Contract Creation Code
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Age | Block | Fee Address | BC Fee Address | Voting Power | Jailed | Incoming |
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Validator ID :
0 FTM
Amount Staked
0
Amount Delegated
0
Staking Total
0
Staking Start Epoch
0
Staking Start Time
0
Proof of Importance
0
Origination Score
0
Validation Score
0
Active
0
Online
0
Downtime
0 s
Address | Amount | claimed Rewards | Created On Epoch | Created On |
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