Contract
0x10E08556D6FdD62A9CE5B3a5b07B0d8b0D093164
2
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Contract Name:
CErc20Delegator
Compiler Version
v0.5.16+commit.9c3226ce
Optimization Enabled:
Yes with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
pragma solidity ^0.5.16; import "./CTokenInterfaces.sol"; /** * @title Compound's CErc20Delegator Contract * @notice CTokens which wrap an EIP-20 underlying and delegate to an implementation * @author Compound */ contract CErc20Delegator is CTokenInterface, CErc20Interface, CDelegatorInterface { /** * @notice Construct a new money market * @param underlying_ The address of the underlying asset * @param comptroller_ The address of the Comptroller * @param interestRateModel_ The address of the interest rate model * @param initialExchangeRateMantissa_ The initial exchange rate, scaled by 1e18 * @param name_ ERC-20 name of this token * @param symbol_ ERC-20 symbol of this token * @param decimals_ ERC-20 decimal precision of this token * @param admin_ Address of the administrator of this token * @param implementation_ The address of the implementation the contract delegates to * @param becomeImplementationData The encoded args for becomeImplementation */ constructor(address underlying_, ComptrollerInterface comptroller_, InterestRateModel interestRateModel_, uint initialExchangeRateMantissa_, string memory name_, string memory symbol_, uint8 decimals_, address payable admin_, address implementation_, bytes memory becomeImplementationData) public { // Creator of the contract is admin during initialization admin = msg.sender; // First delegate gets to initialize the delegator (i.e. storage contract) delegateTo(implementation_, abi.encodeWithSignature("initialize(address,address,address,uint256,string,string,uint8)", underlying_, comptroller_, interestRateModel_, initialExchangeRateMantissa_, name_, symbol_, decimals_)); // New implementations always get set via the settor (post-initialize) _setImplementation(implementation_, false, becomeImplementationData); // Set the proper admin now that initialization is done admin = admin_; } /** * @notice Called by the admin to update the implementation of the delegator * @param implementation_ The address of the new implementation for delegation * @param allowResign Flag to indicate whether to call _resignImplementation on the old implementation * @param becomeImplementationData The encoded bytes data to be passed to _becomeImplementation */ function _setImplementation(address implementation_, bool allowResign, bytes memory becomeImplementationData) public { require(msg.sender == admin, "CErc20Delegator::_setImplementation: Caller must be admin"); if (allowResign) { delegateToImplementation(abi.encodeWithSignature("_resignImplementation()")); } address oldImplementation = implementation; implementation = implementation_; delegateToImplementation(abi.encodeWithSignature("_becomeImplementation(bytes)", becomeImplementationData)); emit NewImplementation(oldImplementation, implementation); } /** * @notice Sender supplies assets into the market and receives cTokens in exchange * @dev Accrues interest whether or not the operation succeeds, unless reverted * @param mintAmount The amount of the underlying asset to supply * @return uint 0=success, otherwise a failure (see ErrorReporter.sol for details) */ function mint(uint mintAmount) external returns (uint) { bytes memory data = delegateToImplementation(abi.encodeWithSignature("mint(uint256)", mintAmount)); return abi.decode(data, (uint)); } /** * @notice Sender redeems cTokens in exchange for the underlying asset * @dev Accrues interest whether or not the operation succeeds, unless reverted * @param redeemTokens The number of cTokens to redeem into underlying * @return uint 0=success, otherwise a failure (see ErrorReporter.sol for details) */ function redeem(uint redeemTokens) external returns (uint) { bytes memory data = delegateToImplementation(abi.encodeWithSignature("redeem(uint256)", redeemTokens)); return abi.decode(data, (uint)); } /** * @notice Sender redeems cTokens in exchange for a specified amount of underlying asset * @dev Accrues interest whether or not the operation succeeds, unless reverted * @param redeemAmount The amount of underlying to redeem * @return uint 0=success, otherwise a failure (see ErrorReporter.sol for details) */ function redeemUnderlying(uint redeemAmount) external returns (uint) { bytes memory data = delegateToImplementation(abi.encodeWithSignature("redeemUnderlying(uint256)", redeemAmount)); return abi.decode(data, (uint)); } /** * @notice Sender borrows assets from the protocol to their own address * @param borrowAmount The amount of the underlying asset to borrow * @return uint 0=success, otherwise a failure (see ErrorReporter.sol for details) */ function borrow(uint borrowAmount) external returns (uint) { bytes memory data = delegateToImplementation(abi.encodeWithSignature("borrow(uint256)", borrowAmount)); return abi.decode(data, (uint)); } /** * @notice Sender repays their own borrow * @param repayAmount The amount to repay * @return uint 0=success, otherwise a failure (see ErrorReporter.sol for details) */ function repayBorrow(uint repayAmount) external returns (uint) { bytes memory data = delegateToImplementation(abi.encodeWithSignature("repayBorrow(uint256)", repayAmount)); return abi.decode(data, (uint)); } /** * @notice Sender repays a borrow belonging to borrower * @param borrower the account with the debt being payed off * @param repayAmount The amount to repay * @return uint 0=success, otherwise a failure (see ErrorReporter.sol for details) */ function repayBorrowBehalf(address borrower, uint repayAmount) external returns (uint) { bytes memory data = delegateToImplementation(abi.encodeWithSignature("repayBorrowBehalf(address,uint256)", borrower, repayAmount)); return abi.decode(data, (uint)); } /** * @notice The sender liquidates the borrowers collateral. * The collateral seized is transferred to the liquidator. * @param borrower The borrower of this cToken to be liquidated * @param cTokenCollateral The market in which to seize collateral from the borrower * @param repayAmount The amount of the underlying borrowed asset to repay * @return uint 0=success, otherwise a failure (see ErrorReporter.sol for details) */ function liquidateBorrow(address borrower, uint repayAmount, CTokenInterface cTokenCollateral) external returns (uint) { bytes memory data = delegateToImplementation(abi.encodeWithSignature("liquidateBorrow(address,uint256,address)", borrower, repayAmount, cTokenCollateral)); return abi.decode(data, (uint)); } /** * @notice Transfer `amount` tokens from `msg.sender` to `dst` * @param dst The address of the destination account * @param amount The number of tokens to transfer * @return Whether or not the transfer succeeded */ function transfer(address dst, uint amount) external returns (bool) { bytes memory data = delegateToImplementation(abi.encodeWithSignature("transfer(address,uint256)", dst, amount)); return abi.decode(data, (bool)); } /** * @notice Transfer `amount` tokens from `src` to `dst` * @param src The address of the source account * @param dst The address of the destination account * @param amount The number of tokens to transfer * @return Whether or not the transfer succeeded */ function transferFrom(address src, address dst, uint256 amount) external returns (bool) { bytes memory data = delegateToImplementation(abi.encodeWithSignature("transferFrom(address,address,uint256)", src, dst, amount)); return abi.decode(data, (bool)); } /** * @notice Approve `spender` to transfer up to `amount` from `src` * @dev This will overwrite the approval amount for `spender` * and is subject to issues noted [here](https://eips.ethereum.org/EIPS/eip-20#approve) * @param spender The address of the account which may transfer tokens * @param amount The number of tokens that are approved (-1 means infinite) * @return Whether or not the approval succeeded */ function approve(address spender, uint256 amount) external returns (bool) { bytes memory data = delegateToImplementation(abi.encodeWithSignature("approve(address,uint256)", spender, amount)); return abi.decode(data, (bool)); } /** * @notice Get the current allowance from `owner` for `spender` * @param owner The address of the account which owns the tokens to be spent * @param spender The address of the account which may transfer tokens * @return The number of tokens allowed to be spent (-1 means infinite) */ function allowance(address owner, address spender) external view returns (uint) { bytes memory data = delegateToViewImplementation(abi.encodeWithSignature("allowance(address,address)", owner, spender)); return abi.decode(data, (uint)); } /** * @notice Get the token balance of the `owner` * @param owner The address of the account to query * @return The number of tokens owned by `owner` */ function balanceOf(address owner) external view returns (uint) { bytes memory data = delegateToViewImplementation(abi.encodeWithSignature("balanceOf(address)", owner)); return abi.decode(data, (uint)); } /** * @notice Get the underlying balance of the `owner` * @dev This also accrues interest in a transaction * @param owner The address of the account to query * @return The amount of underlying owned by `owner` */ function balanceOfUnderlying(address owner) external returns (uint) { bytes memory data = delegateToImplementation(abi.encodeWithSignature("balanceOfUnderlying(address)", owner)); return abi.decode(data, (uint)); } /** * @notice Get a snapshot of the account's balances, and the cached exchange rate * @dev This is used by comptroller to more efficiently perform liquidity checks. * @param account Address of the account to snapshot * @return (possible error, token balance, borrow balance, exchange rate mantissa) */ function getAccountSnapshot(address account) external view returns (uint, uint, uint, uint) { bytes memory data = delegateToViewImplementation(abi.encodeWithSignature("getAccountSnapshot(address)", account)); return abi.decode(data, (uint, uint, uint, uint)); } /** * @notice Returns the current per-block borrow interest rate for this cToken * @return The borrow interest rate per block, scaled by 1e18 */ function borrowRatePerSecond() external view returns (uint) { bytes memory data = delegateToViewImplementation(abi.encodeWithSignature("borrowRatePerSecond()")); return abi.decode(data, (uint)); } /** * @notice Returns the current per-block supply interest rate for this cToken * @return The supply interest rate per block, scaled by 1e18 */ function supplyRatePerSecond() external view returns (uint) { bytes memory data = delegateToViewImplementation(abi.encodeWithSignature("supplyRatePerSecond()")); return abi.decode(data, (uint)); } /** * @notice Returns the current total borrows plus accrued interest * @return The total borrows with interest */ function totalBorrowsCurrent() external returns (uint) { bytes memory data = delegateToImplementation(abi.encodeWithSignature("totalBorrowsCurrent()")); return abi.decode(data, (uint)); } /** * @notice Accrue interest to updated borrowIndex and then calculate account's borrow balance using the updated borrowIndex * @param account The address whose balance should be calculated after updating borrowIndex * @return The calculated balance */ function borrowBalanceCurrent(address account) external returns (uint) { bytes memory data = delegateToImplementation(abi.encodeWithSignature("borrowBalanceCurrent(address)", account)); return abi.decode(data, (uint)); } /** * @notice Return the borrow balance of account based on stored data * @param account The address whose balance should be calculated * @return The calculated balance */ function borrowBalanceStored(address account) public view returns (uint) { bytes memory data = delegateToViewImplementation(abi.encodeWithSignature("borrowBalanceStored(address)", account)); return abi.decode(data, (uint)); } /** * @notice Accrue interest then return the up-to-date exchange rate * @return Calculated exchange rate scaled by 1e18 */ function exchangeRateCurrent() public returns (uint) { bytes memory data = delegateToImplementation(abi.encodeWithSignature("exchangeRateCurrent()")); return abi.decode(data, (uint)); } /** * @notice Calculates the exchange rate from the underlying to the CToken * @dev This function does not accrue interest before calculating the exchange rate * @return Calculated exchange rate scaled by 1e18 */ function exchangeRateStored() public view returns (uint) { bytes memory data = delegateToViewImplementation(abi.encodeWithSignature("exchangeRateStored()")); return abi.decode(data, (uint)); } /** * @notice Get cash balance of this cToken in the underlying asset * @return The quantity of underlying asset owned by this contract */ function getCash() external view returns (uint) { bytes memory data = delegateToViewImplementation(abi.encodeWithSignature("getCash()")); return abi.decode(data, (uint)); } /** * @notice Applies accrued interest to total borrows and reserves. * @dev This calculates interest accrued from the last checkpointed block * up to the current block and writes new checkpoint to storage. */ function accrueInterest() public returns (uint) { bytes memory data = delegateToImplementation(abi.encodeWithSignature("accrueInterest()")); return abi.decode(data, (uint)); } /** * @notice Transfers collateral tokens (this market) to the liquidator. * @dev Will fail unless called by another cToken during the process of liquidation. * Its absolutely critical to use msg.sender as the borrowed cToken and not a parameter. * @param liquidator The account receiving seized collateral * @param borrower The account having collateral seized * @param seizeTokens The number of cTokens to seize * @return uint 0=success, otherwise a failure (see ErrorReporter.sol for details) */ function seize(address liquidator, address borrower, uint seizeTokens) external returns (uint) { bytes memory data = delegateToImplementation(abi.encodeWithSignature("seize(address,address,uint256)", liquidator, borrower, seizeTokens)); return abi.decode(data, (uint)); } /** * @notice A public function to sweep accidental ERC-20 transfers to this contract. Tokens are sent to admin (timelock) * @param token The address of the ERC-20 token to sweep */ function sweepToken(EIP20NonStandardInterface token) external { delegateToImplementation(abi.encodeWithSignature("sweepToken(address)", token)); } /*** Admin Functions ***/ /** * @notice Begins transfer of admin rights. The newPendingAdmin must call `_acceptAdmin` to finalize the transfer. * @dev Admin function to begin change of admin. The newPendingAdmin must call `_acceptAdmin` to finalize the transfer. * @param newPendingAdmin New pending admin. * @return uint 0=success, otherwise a failure (see ErrorReporter.sol for details) */ function _setPendingAdmin(address payable newPendingAdmin) external returns (uint) { bytes memory data = delegateToImplementation(abi.encodeWithSignature("_setPendingAdmin(address)", newPendingAdmin)); return abi.decode(data, (uint)); } /** * @notice Sets a new comptroller for the market * @dev Admin function to set a new comptroller * @return uint 0=success, otherwise a failure (see ErrorReporter.sol for details) */ function _setComptroller(ComptrollerInterface newComptroller) public returns (uint) { bytes memory data = delegateToImplementation(abi.encodeWithSignature("_setComptroller(address)", newComptroller)); return abi.decode(data, (uint)); } /** * @notice accrues interest and sets a new reserve factor for the protocol using _setReserveFactorFresh * @dev Admin function to accrue interest and set a new reserve factor * @return uint 0=success, otherwise a failure (see ErrorReporter.sol for details) */ function _setReserveFactor(uint newReserveFactorMantissa) external returns (uint) { bytes memory data = delegateToImplementation(abi.encodeWithSignature("_setReserveFactor(uint256)", newReserveFactorMantissa)); return abi.decode(data, (uint)); } /** * @notice Accepts transfer of admin rights. msg.sender must be pendingAdmin * @dev Admin function for pending admin to accept role and update admin * @return uint 0=success, otherwise a failure (see ErrorReporter.sol for details) */ function _acceptAdmin() external returns (uint) { bytes memory data = delegateToImplementation(abi.encodeWithSignature("_acceptAdmin()")); return abi.decode(data, (uint)); } /** * @notice Accrues interest and adds reserves by transferring from admin * @param addAmount Amount of reserves to add * @return uint 0=success, otherwise a failure (see ErrorReporter.sol for details) */ function _addReserves(uint addAmount) external returns (uint) { bytes memory data = delegateToImplementation(abi.encodeWithSignature("_addReserves(uint256)", addAmount)); return abi.decode(data, (uint)); } /** * @notice Accrues interest and reduces reserves by transferring to admin * @param reduceAmount Amount of reduction to reserves * @return uint 0=success, otherwise a failure (see ErrorReporter.sol for details) */ function _reduceReserves(uint reduceAmount) external returns (uint) { bytes memory data = delegateToImplementation(abi.encodeWithSignature("_reduceReserves(uint256)", reduceAmount)); return abi.decode(data, (uint)); } /** * @notice Accrues interest and updates the interest rate model using _setInterestRateModelFresh * @dev Admin function to accrue interest and update the interest rate model * @param newInterestRateModel the new interest rate model to use * @return uint 0=success, otherwise a failure (see ErrorReporter.sol for details) */ function _setInterestRateModel(InterestRateModel newInterestRateModel) public returns (uint) { bytes memory data = delegateToImplementation(abi.encodeWithSignature("_setInterestRateModel(address)", newInterestRateModel)); return abi.decode(data, (uint)); } /** * @notice Internal method to delegate execution to another contract * @dev It returns to the external caller whatever the implementation returns or forwards reverts * @param callee The contract to delegatecall * @param data The raw data to delegatecall * @return The returned bytes from the delegatecall */ function delegateTo(address callee, bytes memory data) internal returns (bytes memory) { (bool success, bytes memory returnData) = callee.delegatecall(data); assembly { if eq(success, 0) { revert(add(returnData, 0x20), returndatasize) } } return returnData; } /** * @notice Delegates execution to the implementation contract * @dev It returns to the external caller whatever the implementation returns or forwards reverts * @param data The raw data to delegatecall * @return The returned bytes from the delegatecall */ function delegateToImplementation(bytes memory data) public returns (bytes memory) { return delegateTo(implementation, data); } /** * @notice Delegates execution to an implementation contract * @dev It returns to the external caller whatever the implementation returns or forwards reverts * There are an additional 2 prefix uints from the wrapper returndata, which we ignore since we make an extra hop. * @param data The raw data to delegatecall * @return The returned bytes from the delegatecall */ function delegateToViewImplementation(bytes memory data) public view returns (bytes memory) { (bool success, bytes memory returnData) = address(this).staticcall(abi.encodeWithSignature("delegateToImplementation(bytes)", data)); assembly { if eq(success, 0) { revert(add(returnData, 0x20), returndatasize) } } return abi.decode(returnData, (bytes)); } /** * @notice Delegates execution to an implementation contract * @dev It returns to the external caller whatever the implementation returns or forwards reverts */ function () external payable { require(msg.value == 0,"CErc20Delegator:fallback: cannot send value to fallback"); // delegate all other functions to current implementation (bool success, ) = implementation.delegatecall(msg.data); assembly { let free_mem_ptr := mload(0x40) returndatacopy(free_mem_ptr, 0, returndatasize) switch success case 0 { revert(free_mem_ptr, returndatasize) } default { return(free_mem_ptr, returndatasize) } } } }
pragma solidity ^0.5.16; import "../ComptrollerInterface.sol"; import "../interestModel/InterestRateModel.sol"; import "../token/EIP20NonStandardInterface.sol"; contract CTokenStorage { /** * @dev Guard variable for re-entrancy checks */ bool internal _notEntered; /** * @notice EIP-20 token name for this token */ string public name; /** * @notice EIP-20 token symbol for this token */ string public symbol; /** * @notice EIP-20 token decimals for this token */ uint8 public decimals; /** * @notice Maximum borrow rate that can ever be applied (.00004% / second) */ uint internal constant borrowRateMaxMantissa = 0.00004e16; /** * @notice Maximum fraction of interest that can be set aside for reserves */ uint internal constant reserveFactorMaxMantissa = 1e18; /** * @notice Administrator for this contract */ address payable public admin; /** * @notice Pending administrator for this contract */ address payable public pendingAdmin; /** * @notice Contract which oversees inter-cToken operations */ ComptrollerInterface public comptroller; /** * @notice Model which tells what the current interest rate should be */ InterestRateModel public interestRateModel; /** * @notice Initial exchange rate used when minting the first CTokens (used when totalSupply = 0) */ uint internal initialExchangeRateMantissa; /** * @notice Fraction of interest currently set aside for reserves */ uint public reserveFactorMantissa; /** * @notice Block number that interest was last accrued at */ uint public accrualBlockNumber; /** * @notice Block timestamp that interest was last accrued at */ uint public accrualBlockTimestamp; /** * @notice Accumulator of the total earned interest rate since the opening of the market */ uint public borrowIndex; /** * @notice Total amount of outstanding borrows of the underlying in this market */ uint public totalBorrows; /** * @notice Total amount of reserves of the underlying held in this market */ uint public totalReserves; /** * @notice Total number of tokens in circulation */ uint public totalSupply; /** * @notice Official record of token balances for each account */ mapping (address => uint) internal accountTokens; /** * @notice Approved token transfer amounts on behalf of others */ mapping (address => mapping (address => uint)) internal transferAllowances; /** * @notice Container for borrow balance information * @member principal Total balance (with accrued interest), after applying the most recent balance-changing action * @member interestIndex Global borrowIndex as of the most recent balance-changing action */ struct BorrowSnapshot { uint principal; uint interestIndex; } /** * @notice Mapping of account addresses to outstanding borrow balances */ mapping(address => BorrowSnapshot) internal accountBorrows; } contract CTokenInterface is CTokenStorage { /** * @notice Indicator that this is a CToken contract (for inspection) */ bool public constant isCToken = true; /*** Market Events ***/ /** * @notice Event emitted when interest is accrued */ event AccrueInterest(uint cashPrior, uint interestAccumulated, uint borrowIndex, uint totalBorrows); /** * @notice Event emitted when tokens are minted */ event Mint(address minter, uint mintAmount, uint mintTokens); /** * @notice Event emitted when tokens are redeemed */ event Redeem(address redeemer, uint redeemAmount, uint redeemTokens); /** * @notice Event emitted when underlying is borrowed */ event Borrow(address borrower, uint borrowAmount, uint accountBorrows, uint totalBorrows); /** * @notice Event emitted when a borrow is repaid */ event RepayBorrow(address payer, address borrower, uint repayAmount, uint accountBorrows, uint totalBorrows); /** * @notice Event emitted when a borrow is liquidated */ event LiquidateBorrow(address liquidator, address borrower, uint repayAmount, address cTokenCollateral, uint seizeTokens); /*** Admin Events ***/ /** * @notice Event emitted when pendingAdmin is changed */ event NewPendingAdmin(address oldPendingAdmin, address newPendingAdmin); /** * @notice Event emitted when pendingAdmin is accepted, which means admin is updated */ event NewAdmin(address oldAdmin, address newAdmin); /** * @notice Event emitted when comptroller is changed */ event NewComptroller(ComptrollerInterface oldComptroller, ComptrollerInterface newComptroller); /** * @notice Event emitted when interestRateModel is changed */ event NewMarketInterestRateModel(InterestRateModel oldInterestRateModel, InterestRateModel newInterestRateModel); /** * @notice Event emitted when the reserve factor is changed */ event NewReserveFactor(uint oldReserveFactorMantissa, uint newReserveFactorMantissa); /** * @notice Event emitted when the reserves are added */ event ReservesAdded(address benefactor, uint addAmount, uint newTotalReserves); /** * @notice Event emitted when the reserves are reduced */ event ReservesReduced(address admin, uint reduceAmount, uint newTotalReserves); /** * @notice EIP20 Transfer event */ event Transfer(address indexed from, address indexed to, uint amount); /** * @notice EIP20 Approval event */ event Approval(address indexed owner, address indexed spender, uint amount); /** * @notice Failure event */ event Failure(uint error, uint info, uint detail); /*** User Interface ***/ function transfer(address dst, uint amount) external returns (bool); function transferFrom(address src, address dst, uint amount) external returns (bool); function approve(address spender, uint amount) external returns (bool); function allowance(address owner, address spender) external view returns (uint); function balanceOf(address owner) external view returns (uint); function balanceOfUnderlying(address owner) external returns (uint); function getAccountSnapshot(address account) external view returns (uint, uint, uint, uint); function borrowRatePerSecond() external view returns (uint); function supplyRatePerSecond() external view returns (uint); function totalBorrowsCurrent() external returns (uint); function borrowBalanceCurrent(address account) external returns (uint); function borrowBalanceStored(address account) public view returns (uint); function exchangeRateCurrent() public returns (uint); function exchangeRateStored() public view returns (uint); function getCash() external view returns (uint); function accrueInterest() public returns (uint); function seize(address liquidator, address borrower, uint seizeTokens) external returns (uint); /*** Admin Functions ***/ function _setPendingAdmin(address payable newPendingAdmin) external returns (uint); function _acceptAdmin() external returns (uint); function _setComptroller(ComptrollerInterface newComptroller) public returns (uint); function _setReserveFactor(uint newReserveFactorMantissa) external returns (uint); function _reduceReserves(uint reduceAmount) external returns (uint); function _setInterestRateModel(InterestRateModel newInterestRateModel) public returns (uint); } contract CErc20Storage { /** * @notice Underlying asset for this CToken */ address public underlying; } contract CErc20Interface is CErc20Storage { /*** User Interface ***/ function mint(uint mintAmount) external returns (uint); function redeem(uint redeemTokens) external returns (uint); function redeemUnderlying(uint redeemAmount) external returns (uint); function borrow(uint borrowAmount) external returns (uint); function repayBorrow(uint repayAmount) external returns (uint); function repayBorrowBehalf(address borrower, uint repayAmount) external returns (uint); function liquidateBorrow(address borrower, uint repayAmount, CTokenInterface cTokenCollateral) external returns (uint); function sweepToken(EIP20NonStandardInterface token) external; /*** Admin Functions ***/ function _addReserves(uint addAmount) external returns (uint); } contract CDelegationStorage { /** * @notice Implementation address for this contract */ address public implementation; } contract CDelegatorInterface is CDelegationStorage { /** * @notice Emitted when implementation is changed */ event NewImplementation(address oldImplementation, address newImplementation); /** * @notice Called by the admin to update the implementation of the delegator * @param implementation_ The address of the new implementation for delegation * @param allowResign Flag to indicate whether to call _resignImplementation on the old implementation * @param becomeImplementationData The encoded bytes data to be passed to _becomeImplementation */ function _setImplementation(address implementation_, bool allowResign, bytes memory becomeImplementationData) public; } contract CDelegateInterface is CDelegationStorage { /** * @notice Called by the delegator on a delegate to initialize it for duty * @dev Should revert if any issues arise which make it unfit for delegation * @param data The encoded bytes data for any initialization */ function _becomeImplementation(bytes memory data) public; /** * @notice Called by the delegator on a delegate to forfeit its responsibility */ function _resignImplementation() public; }
pragma solidity ^0.5.16; contract ComptrollerInterface { /// @notice Indicator that this is a Comptroller contract (for inspection) bool public constant isComptroller = true; /*** Assets You Are In ***/ function enterMarkets(address[] calldata cTokens) external returns (uint[] memory); function exitMarket(address cToken) external returns (uint); /*** Policy Hooks ***/ function mintAllowed(address cToken, address minter, uint mintAmount) external returns (uint); function redeemAllowed(address cToken, address redeemer, uint redeemTokens) external returns (uint); function borrowAllowed(address cToken, address borrower, uint borrowAmount) external returns (uint); function repayBorrowAllowed( address cToken, address payer, address borrower, uint repayAmount) external returns (uint); function liquidateBorrowAllowed( address cTokenBorrowed, address cTokenCollateral, address liquidator, address borrower, uint repayAmount) external returns (uint); function seizeAllowed( address cTokenCollateral, address cTokenBorrowed, address liquidator, address borrower, uint seizeTokens) external returns (uint); function transferAllowed(address cToken, address src, address dst, uint transferTokens) external returns (uint); /*** Liquidity/Liquidation Calculations ***/ function liquidateCalculateSeizeTokens( address cTokenBorrowed, address cTokenCollateral, uint repayAmount) external view returns (uint, uint); }
pragma solidity ^0.5.16; /** * @title EIP20NonStandardInterface * @dev Version of ERC20 with no return values for `transfer` and `transferFrom` * See https://medium.com/coinmonks/missing-return-value-bug-at-least-130-tokens-affected-d67bf08521ca */ interface EIP20NonStandardInterface { /** * @notice Get the total number of tokens in circulation * @return The supply of tokens */ function totalSupply() external view returns (uint256); /** * @notice Gets the balance of the specified address * @param owner The address from which the balance will be retrieved * @return The balance */ function balanceOf(address owner) external view returns (uint256 balance); /// /// !!!!!!!!!!!!!! /// !!! NOTICE !!! `transfer` does not return a value, in violation of the ERC-20 specification /// !!!!!!!!!!!!!! /// /** * @notice Transfer `amount` tokens from `msg.sender` to `dst` * @param dst The address of the destination account * @param amount The number of tokens to transfer */ function transfer(address dst, uint256 amount) external; /// /// !!!!!!!!!!!!!! /// !!! NOTICE !!! `transferFrom` does not return a value, in violation of the ERC-20 specification /// !!!!!!!!!!!!!! /// /** * @notice Transfer `amount` tokens from `src` to `dst` * @param src The address of the source account * @param dst The address of the destination account * @param amount The number of tokens to transfer */ function transferFrom(address src, address dst, uint256 amount) external; /** * @notice Approve `spender` to transfer up to `amount` from `src` * @dev This will overwrite the approval amount for `spender` * and is subject to issues noted [here](https://eips.ethereum.org/EIPS/eip-20#approve) * @param spender The address of the account which may transfer tokens * @param amount The number of tokens that are approved * @return Whether or not the approval succeeded */ function approve(address spender, uint256 amount) external returns (bool success); /** * @notice Get the current allowance from `owner` for `spender` * @param owner The address of the account which owns the tokens to be spent * @param spender The address of the account which may transfer tokens * @return The number of tokens allowed to be spent */ function allowance(address owner, address spender) external view returns (uint256 remaining); event Transfer(address indexed from, address indexed to, uint256 amount); event Approval(address indexed owner, address indexed spender, uint256 amount); }
pragma solidity ^0.5.16; /** * @title Compound's InterestRateModel Interface * @author Compound */ contract InterestRateModel { /// @notice Indicator that this is an InterestRateModel contract (for inspection) bool public constant isInterestRateModel = true; /** * @notice Calculates the current borrow interest rate per block * @param cash The total amount of cash the market has * @param borrows The total amount of borrows the market has outstanding * @param reserves The total amount of reserves the market has * @return The borrow rate per block (as a percentage, and scaled by 1e18) */ function getBorrowRate(uint cash, uint borrows, uint reserves) external view returns (uint); /** * @notice Calculates the current supply interest rate per block * @param cash The total amount of cash the market has * @param borrows The total amount of borrows the market has outstanding * @param reserves The total amount of reserves the market has * @param reserveFactorMantissa The current reserve factor the market has * @return The supply rate per block (as a percentage, and scaled by 1e18) */ function getSupplyRate(uint cash, uint borrows, uint reserves, uint reserveFactorMantissa) external view returns (uint); }
{ "optimizer": { "enabled": true, "runs": 200 }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "libraries": {} }
Contract Security Audit
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Contract Creation Code
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0000000000000000000000000000000000000000000000000000000001c0000000000000000000000000000000000000000000000000000000000000000c48756e64726564205553444300000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005685553444300000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000
Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
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
-----Decoded View---------------
Arg [0] : underlying_ (address): 0x7F5c764cBc14f9669B88837ca1490cCa17c31607
Arg [1] : comptroller_ (address): 0x0F390559F258eB8591C8e31Cf0905E97cf36ACE2
Arg [2] : interestRateModel_ (address): 0x14Cb5E017a3F10B9f6254fF24b87e2297dC8b8b3
Arg [3] : initialExchangeRateMantissa_ (uint256): 200000000000000
Arg [4] : name_ (string): Hundred USDC
Arg [5] : symbol_ (string): hUSDC
Arg [6] : decimals_ (uint8): 8
Arg [7] : admin_ (address): 0x641f26c67A5D0829Ae61019131093B6a7c7d18a3
Arg [8] : implementation_ (address): 0x7100CBCa885905F922a19006cF7fD5d0E1bBb26c
Arg [9] : becomeImplementationData (bytes): 0x00
-----Encoded View---------------
16 Constructor Arguments found :
Arg [0] : 0000000000000000000000007f5c764cbc14f9669b88837ca1490cca17c31607
Arg [1] : 0000000000000000000000000f390559f258eb8591c8e31cf0905e97cf36ace2
Arg [2] : 00000000000000000000000014cb5e017a3f10b9f6254ff24b87e2297dc8b8b3
Arg [3] : 0000000000000000000000000000000000000000000000000000b5e620f48000
Arg [4] : 0000000000000000000000000000000000000000000000000000000000000140
Arg [5] : 0000000000000000000000000000000000000000000000000000000000000180
Arg [6] : 0000000000000000000000000000000000000000000000000000000000000008
Arg [7] : 000000000000000000000000641f26c67a5d0829ae61019131093b6a7c7d18a3
Arg [8] : 0000000000000000000000007100cbca885905f922a19006cf7fd5d0e1bbb26c
Arg [9] : 00000000000000000000000000000000000000000000000000000000000001c0
Arg [10] : 000000000000000000000000000000000000000000000000000000000000000c
Arg [11] : 48756e6472656420555344430000000000000000000000000000000000000000
Arg [12] : 0000000000000000000000000000000000000000000000000000000000000005
Arg [13] : 6855534443000000000000000000000000000000000000000000000000000000
Arg [14] : 0000000000000000000000000000000000000000000000000000000000000001
Arg [15] : 0000000000000000000000000000000000000000000000000000000000000000
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