Contract Overview
Balance:
0 CLV
CLV Value:
$0.00
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Contract Name:
WETHGateway
Compiler Version
v0.6.12+commit.27d51765
Optimization Enabled:
Yes with 1000 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: agpl-3.0 pragma solidity 0.6.12; pragma experimental ABIEncoderV2; import {Ownable} from "../dependencies/openzeppelin/contracts/Ownable.sol"; import {IERC20} from "../dependencies/openzeppelin/contracts/IERC20.sol"; import {IWETH} from "./interfaces/IWETH.sol"; import {IWETHGateway} from "./interfaces/IWETHGateway.sol"; import {ILendingPool} from "../interfaces/ILendingPool.sol"; import {IAToken} from "../interfaces/IAToken.sol"; import {ReserveConfiguration} from "../protocol/libraries/configuration/ReserveConfiguration.sol"; import {UserConfiguration} from "../protocol/libraries/configuration/UserConfiguration.sol"; import {Helpers} from "../protocol/libraries/helpers/Helpers.sol"; import {DataTypes} from "../protocol/libraries/types/DataTypes.sol"; contract WETHGateway is IWETHGateway, Ownable { using ReserveConfiguration for DataTypes.ReserveConfigurationMap; using UserConfiguration for DataTypes.UserConfigurationMap; IWETH internal immutable WETH; /** * @dev Sets the WETH address and the LendingPoolAddressesProvider address. Infinite approves lending pool. * @param weth Address of the Wrapped Ether contract **/ constructor(address weth) public { WETH = IWETH(weth); } function authorizeLendingPool(address lendingPool) external onlyOwner { WETH.approve(lendingPool, uint256(-1)); } /** * @dev deposits WETH into the reserve, using native ETH. A corresponding amount of the overlying asset (aTokens) * is minted. * @param lendingPool address of the targeted underlying lending pool * @param onBehalfOf address of the user who will receive the aTokens representing the deposit * @param referralCode integrators are assigned a referral code and can potentially receive rewards. **/ function depositETH( address lendingPool, address onBehalfOf, uint16 referralCode ) external payable override { WETH.deposit{value: msg.value}(); ILendingPool(lendingPool).deposit(address(WETH), msg.value, onBehalfOf, referralCode); } /** * @dev withdraws the WETH _reserves of msg.sender. * @param lendingPool address of the targeted underlying lending pool * @param amount amount of aWETH to withdraw and receive native ETH * @param to address of the user who will receive native ETH */ function withdrawETH( address lendingPool, uint256 amount, address to ) external override { IAToken aWETH = IAToken(ILendingPool(lendingPool).getReserveData(address(WETH)).aTokenAddress); uint256 userBalance = aWETH.balanceOf(msg.sender); uint256 amountToWithdraw = amount; // if amount is equal to uint(-1), the user wants to redeem everything if (amount == type(uint256).max) { amountToWithdraw = userBalance; } aWETH.transferFrom(msg.sender, address(this), amountToWithdraw); ILendingPool(lendingPool).withdraw(address(WETH), amountToWithdraw, address(this)); WETH.withdraw(amountToWithdraw); _safeTransferETH(to, amountToWithdraw); } /** * @dev repays a borrow on the WETH reserve, for the specified amount (or for the whole amount, if uint256(-1) is specified). * @param lendingPool address of the targeted underlying lending pool * @param amount the amount to repay, or uint256(-1) if the user wants to repay everything * @param rateMode the rate mode to repay * @param onBehalfOf the address for which msg.sender is repaying */ function repayETH( address lendingPool, uint256 amount, uint256 rateMode, address onBehalfOf ) external payable override { (uint256 stableDebt, uint256 variableDebt) = Helpers.getUserCurrentDebtMemory( onBehalfOf, ILendingPool(lendingPool).getReserveData(address(WETH)) ); uint256 paybackAmount = DataTypes.InterestRateMode(rateMode) == DataTypes.InterestRateMode.STABLE ? stableDebt : variableDebt; if (amount < paybackAmount) { paybackAmount = amount; } require(msg.value >= paybackAmount, "msg.value is less than repayment amount"); WETH.deposit{value: paybackAmount}(); ILendingPool(lendingPool).repay(address(WETH), msg.value, rateMode, onBehalfOf); // refund remaining dust eth if (msg.value > paybackAmount) _safeTransferETH(msg.sender, msg.value - paybackAmount); } /** * @dev borrow WETH, unwraps to ETH and send both the ETH and DebtTokens to msg.sender, via `approveDelegation` and onBehalf argument in `LendingPool.borrow`. * @param lendingPool address of the targeted underlying lending pool * @param amount the amount of ETH to borrow * @param interesRateMode the interest rate mode * @param referralCode integrators are assigned a referral code and can potentially receive rewards */ function borrowETH( address lendingPool, uint256 amount, uint256 interesRateMode, uint16 referralCode ) external override { ILendingPool(lendingPool).borrow(address(WETH), amount, interesRateMode, referralCode, msg.sender); WETH.withdraw(amount); _safeTransferETH(msg.sender, amount); } /** * @dev transfer ETH to an address, revert if it fails. * @param to recipient of the transfer * @param value the amount to send */ function _safeTransferETH(address to, uint256 value) internal { (bool success, ) = to.call{value: value}(new bytes(0)); require(success, "ETH_TRANSFER_FAILED"); } /** * @dev transfer ERC20 from the utility contract, for ERC20 recovery in case of stuck tokens due * direct transfers to the contract address. * @param token token to transfer * @param to recipient of the transfer * @param amount amount to send */ function emergencyTokenTransfer( address token, address to, uint256 amount ) external onlyOwner { IERC20(token).transfer(to, amount); } /** * @dev transfer native Ether from the utility contract, for native Ether recovery in case of stuck Ether * due selfdestructs or transfer ether to pre-computated contract address before deployment. * @param to recipient of the transfer * @param amount amount to send */ function emergencyEtherTransfer(address to, uint256 amount) external onlyOwner { _safeTransferETH(to, amount); } /** * @dev Get WETH address used by WETHGateway */ function getWETHAddress() external view returns (address) { return address(WETH); } /** * @dev Only WETH contract is allowed to transfer ETH here. Prevent other addresses to send Ether to this contract. */ receive() external payable { require(msg.sender == address(WETH), "Receive not allowed"); } /** * @dev Revert fallback calls */ fallback() external payable { revert("Fallback not allowed"); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.6.0; import "./Context.sol"; /** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. */ contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the deployer as the initial owner. */ constructor() internal { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } /** * @dev Returns the address of the current owner. */ function owner() public view returns (address) { return _owner; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner; } }
// SPDX-License-Identifier: agpl-3.0 pragma solidity 0.6.12; /** * @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: agpl-3.0 pragma solidity 0.6.12; interface IWETH { function deposit() external payable; function withdraw(uint256) external; function approve(address guy, uint256 wad) external returns (bool); function transferFrom( address src, address dst, uint256 wad ) external returns (bool); }
// SPDX-License-Identifier: agpl-3.0 pragma solidity 0.6.12; interface IWETHGateway { function depositETH( address lendingPool, address onBehalfOf, uint16 referralCode ) external payable; function withdrawETH( address lendingPool, uint256 amount, address onBehalfOf ) external; function repayETH( address lendingPool, uint256 amount, uint256 rateMode, address onBehalfOf ) external payable; function borrowETH( address lendingPool, uint256 amount, uint256 interesRateMode, uint16 referralCode ) external; }
// SPDX-License-Identifier: agpl-3.0 pragma solidity 0.6.12; pragma experimental ABIEncoderV2; import {ILendingPoolAddressesProvider} from "./ILendingPoolAddressesProvider.sol"; import {DataTypes} from "../protocol/libraries/types/DataTypes.sol"; interface ILendingPool { /** * @dev Emitted on deposit() * @param reserve The address of the underlying asset of the reserve * @param user The address initiating the deposit * @param onBehalfOf The beneficiary of the deposit, receiving the aTokens * @param amount The amount deposited * @param referral The referral code used **/ event Deposit( address indexed reserve, address user, address indexed onBehalfOf, uint256 amount, uint16 indexed referral ); /** * @dev Emitted on withdraw() * @param reserve The address of the underlyng asset being withdrawn * @param user The address initiating the withdrawal, owner of aTokens * @param to Address that will receive the underlying * @param amount The amount to be withdrawn **/ event Withdraw(address indexed reserve, address indexed user, address indexed to, uint256 amount); /** * @dev Emitted on borrow() and flashLoan() when debt needs to be opened * @param reserve The address of the underlying asset being borrowed * @param user The address of the user initiating the borrow(), receiving the funds on borrow() or just * initiator of the transaction on flashLoan() * @param onBehalfOf The address that will be getting the debt * @param amount The amount borrowed out * @param borrowRateMode The rate mode: 1 for Stable, 2 for Variable * @param borrowRate The numeric rate at which the user has borrowed * @param referral The referral code used **/ event Borrow( address indexed reserve, address user, address indexed onBehalfOf, uint256 amount, uint256 borrowRateMode, uint256 borrowRate, uint16 indexed referral ); /** * @dev Emitted on repay() * @param reserve The address of the underlying asset of the reserve * @param user The beneficiary of the repayment, getting his debt reduced * @param repayer The address of the user initiating the repay(), providing the funds * @param amount The amount repaid **/ event Repay(address indexed reserve, address indexed user, address indexed repayer, uint256 amount); /** * @dev Emitted on swapBorrowRateMode() * @param reserve The address of the underlying asset of the reserve * @param user The address of the user swapping his rate mode * @param rateMode The rate mode that the user wants to swap to **/ event Swap(address indexed reserve, address indexed user, uint256 rateMode); /** * @dev Emitted on setUserUseReserveAsCollateral() * @param reserve The address of the underlying asset of the reserve * @param user The address of the user enabling the usage as collateral **/ event ReserveUsedAsCollateralEnabled(address indexed reserve, address indexed user); /** * @dev Emitted on setUserUseReserveAsCollateral() * @param reserve The address of the underlying asset of the reserve * @param user The address of the user enabling the usage as collateral **/ event ReserveUsedAsCollateralDisabled(address indexed reserve, address indexed user); /** * @dev Emitted on rebalanceStableBorrowRate() * @param reserve The address of the underlying asset of the reserve * @param user The address of the user for which the rebalance has been executed **/ event RebalanceStableBorrowRate(address indexed reserve, address indexed user); /** * @dev Emitted on flashLoan() * @param target The address of the flash loan receiver contract * @param initiator The address initiating the flash loan * @param asset The address of the asset being flash borrowed * @param amount The amount flash borrowed * @param premium The fee flash borrowed * @param referralCode The referral code used **/ event FlashLoan( address indexed target, address indexed initiator, address indexed asset, uint256 amount, uint256 premium, uint16 referralCode ); /** * @dev Emitted when the pause is triggered. */ event Paused(); /** * @dev Emitted when the pause is lifted. */ event Unpaused(); /** * @dev Emitted when a borrower is liquidated. This event is emitted by the LendingPool via * LendingPoolCollateral manager using a DELEGATECALL * This allows to have the events in the generated ABI for LendingPool. * @param collateralAsset The address of the underlying asset used as collateral, to receive as result of the liquidation * @param debtAsset The address of the underlying borrowed asset to be repaid with the liquidation * @param user The address of the borrower getting liquidated * @param debtToCover The debt amount of borrowed `asset` the liquidator wants to cover * @param liquidatedCollateralAmount The amount of collateral received by the liiquidator * @param liquidator The address of the liquidator * @param receiveAToken `true` if the liquidators wants to receive the collateral aTokens, `false` if he wants * to receive the underlying collateral asset directly **/ event LiquidationCall( address indexed collateralAsset, address indexed debtAsset, address indexed user, uint256 debtToCover, uint256 liquidatedCollateralAmount, address liquidator, bool receiveAToken ); /** * @dev Emitted when the state of a reserve is updated. NOTE: This event is actually declared * in the ReserveLogic library and emitted in the updateInterestRates() function. Since the function is internal, * the event will actually be fired by the LendingPool contract. The event is therefore replicated here so it * gets added to the LendingPool ABI * @param reserve The address of the underlying asset of the reserve * @param liquidityRate The new liquidity rate * @param stableBorrowRate The new stable borrow rate * @param variableBorrowRate The new variable borrow rate * @param liquidityIndex The new liquidity index * @param variableBorrowIndex The new variable borrow index **/ event ReserveDataUpdated( address indexed reserve, uint256 liquidityRate, uint256 stableBorrowRate, uint256 variableBorrowRate, uint256 liquidityIndex, uint256 variableBorrowIndex ); /** * @dev Deposits an `amount` of underlying asset into the reserve, receiving in return overlying aTokens. * - E.g. User deposits 100 USDC and gets in return 100 aUSDC * @param asset The address of the underlying asset to deposit * @param amount The amount to be deposited * @param onBehalfOf The address that will receive the aTokens, same as msg.sender if the user * wants to receive them on his own wallet, or a different address if the beneficiary of aTokens * is a different wallet * @param referralCode Code used to register the integrator originating the operation, for potential rewards. * 0 if the action is executed directly by the user, without any middle-man **/ function deposit( address asset, uint256 amount, address onBehalfOf, uint16 referralCode ) external; /** * @dev Withdraws an `amount` of underlying asset from the reserve, burning the equivalent aTokens owned * E.g. User has 100 aUSDC, calls withdraw() and receives 100 USDC, burning the 100 aUSDC * @param asset The address of the underlying asset to withdraw * @param amount The underlying amount to be withdrawn * - Send the value type(uint256).max in order to withdraw the whole aToken balance * @param to Address that will receive the underlying, same as msg.sender if the user * wants to receive it on his own wallet, or a different address if the beneficiary is a * different wallet * @return The final amount withdrawn **/ function withdraw( address asset, uint256 amount, address to ) external returns (uint256); /** * @dev Allows users to borrow a specific `amount` of the reserve underlying asset, provided that the borrower * already deposited enough collateral, or he was given enough allowance by a credit delegator on the * corresponding debt token (StableDebtToken or VariableDebtToken) * - E.g. User borrows 100 USDC passing as `onBehalfOf` his own address, receiving the 100 USDC in his wallet * and 100 stable/variable debt tokens, depending on the `interestRateMode` * @param asset The address of the underlying asset to borrow * @param amount The amount to be borrowed * @param interestRateMode The interest rate mode at which the user wants to borrow: 1 for Stable, 2 for Variable * @param referralCode Code used to register the integrator originating the operation, for potential rewards. * 0 if the action is executed directly by the user, without any middle-man * @param onBehalfOf Address of the user who will receive the debt. Should be the address of the borrower itself * calling the function if he wants to borrow against his own collateral, or the address of the credit delegator * if he has been given credit delegation allowance **/ function borrow( address asset, uint256 amount, uint256 interestRateMode, uint16 referralCode, address onBehalfOf ) external; /** * @notice Repays a borrowed `amount` on a specific reserve, burning the equivalent debt tokens owned * - E.g. User repays 100 USDC, burning 100 variable/stable debt tokens of the `onBehalfOf` address * @param asset The address of the borrowed underlying asset previously borrowed * @param amount The amount to repay * - Send the value type(uint256).max in order to repay the whole debt for `asset` on the specific `debtMode` * @param rateMode The interest rate mode at of the debt the user wants to repay: 1 for Stable, 2 for Variable * @param onBehalfOf Address of the user who will get his debt reduced/removed. Should be the address of the * user calling the function if he wants to reduce/remove his own debt, or the address of any other * other borrower whose debt should be removed * @return The final amount repaid **/ function repay( address asset, uint256 amount, uint256 rateMode, address onBehalfOf ) external returns (uint256); /** * @dev Allows a borrower to swap his debt between stable and variable mode, or viceversa * @param asset The address of the underlying asset borrowed * @param rateMode The rate mode that the user wants to swap to **/ function swapBorrowRateMode(address asset, uint256 rateMode) external; /** * @dev Rebalances the stable interest rate of a user to the current stable rate defined on the reserve. * - Users can be rebalanced if the following conditions are satisfied: * 1. Usage ratio is above 95% * 2. the current deposit APY is below REBALANCE_UP_THRESHOLD * maxVariableBorrowRate, which means that too much has been * borrowed at a stable rate and depositors are not earning enough * @param asset The address of the underlying asset borrowed * @param user The address of the user to be rebalanced **/ function rebalanceStableBorrowRate(address asset, address user) external; /** * @dev Allows depositors to enable/disable a specific deposited asset as collateral * @param asset The address of the underlying asset deposited * @param useAsCollateral `true` if the user wants to use the deposit as collateral, `false` otherwise **/ function setUserUseReserveAsCollateral(address asset, bool useAsCollateral) external; /** * @dev Function to liquidate a non-healthy position collateral-wise, with Health Factor below 1 * - The caller (liquidator) covers `debtToCover` amount of debt of the user getting liquidated, and receives * a proportionally amount of the `collateralAsset` plus a bonus to cover market risk * @param collateralAsset The address of the underlying asset used as collateral, to receive as result of the liquidation * @param debtAsset The address of the underlying borrowed asset to be repaid with the liquidation * @param user The address of the borrower getting liquidated * @param debtToCover The debt amount of borrowed `asset` the liquidator wants to cover * @param receiveAToken `true` if the liquidators wants to receive the collateral aTokens, `false` if he wants * to receive the underlying collateral asset directly **/ function liquidationCall( address collateralAsset, address debtAsset, address user, uint256 debtToCover, bool receiveAToken ) external; /** * @dev Allows smartcontracts to access the liquidity of the pool within one transaction, * as long as the amount taken plus a fee is returned. * IMPORTANT There are security concerns for developers of flashloan receiver contracts that must be kept into consideration. * For further details please visit https://developers.aave.com * @param receiverAddress The address of the contract receiving the funds, implementing the IFlashLoanReceiver interface * @param assets The addresses of the assets being flash-borrowed * @param amounts The amounts amounts being flash-borrowed * @param modes Types of the debt to open if the flash loan is not returned: * 0 -> Don't open any debt, just revert if funds can't be transferred from the receiver * 1 -> Open debt at stable rate for the value of the amount flash-borrowed to the `onBehalfOf` address * 2 -> Open debt at variable rate for the value of the amount flash-borrowed to the `onBehalfOf` address * @param onBehalfOf The address that will receive the debt in the case of using on `modes` 1 or 2 * @param params Variadic packed params to pass to the receiver as extra information * @param referralCode Code used to register the integrator originating the operation, for potential rewards. * 0 if the action is executed directly by the user, without any middle-man **/ function flashLoan( address receiverAddress, address[] calldata assets, uint256[] calldata amounts, uint256[] calldata modes, address onBehalfOf, bytes calldata params, uint16 referralCode ) external; /** * @dev Returns the user account data across all the reserves * @param user The address of the user * @return totalCollateralETH the total collateral in ETH of the user * @return totalDebtETH the total debt in ETH of the user * @return availableBorrowsETH the borrowing power left of the user * @return currentLiquidationThreshold the liquidation threshold of the user * @return ltv the loan to value of the user * @return healthFactor the current health factor of the user **/ function getUserAccountData(address user) external view returns ( uint256 totalCollateralETH, uint256 totalDebtETH, uint256 availableBorrowsETH, uint256 currentLiquidationThreshold, uint256 ltv, uint256 healthFactor ); function initReserve( address reserve, address aTokenAddress, address stableDebtAddress, address variableDebtAddress, address interestRateStrategyAddress ) external; function setReserveInterestRateStrategyAddress(address reserve, address rateStrategyAddress) external; function setConfiguration(address reserve, uint256 configuration) external; /** * @dev Returns the configuration of the reserve * @param asset The address of the underlying asset of the reserve * @return The configuration of the reserve **/ function getConfiguration(address asset) external view returns (DataTypes.ReserveConfigurationMap memory); /** * @dev Returns the configuration of the user across all the reserves * @param user The user address * @return The configuration of the user **/ function getUserConfiguration(address user) external view returns (DataTypes.UserConfigurationMap memory); /** * @dev Returns the normalized income normalized income of the reserve * @param asset The address of the underlying asset of the reserve * @return The reserve's normalized income */ function getReserveNormalizedIncome(address asset) external view returns (uint256); /** * @dev Returns the normalized variable debt per unit of asset * @param asset The address of the underlying asset of the reserve * @return The reserve normalized variable debt */ function getReserveNormalizedVariableDebt(address asset) external view returns (uint256); /** * @dev Returns the state and configuration of the reserve * @param asset The address of the underlying asset of the reserve * @return The state of the reserve **/ function getReserveData(address asset) external view returns (DataTypes.ReserveData memory); function finalizeTransfer( address asset, address from, address to, uint256 amount, uint256 balanceFromAfter, uint256 balanceToBefore ) external; function getReservesList() external view returns (address[] memory); function getAddressesProvider() external view returns (ILendingPoolAddressesProvider); function setPause(bool val) external; function paused() external view returns (bool); }
// SPDX-License-Identifier: agpl-3.0 pragma solidity 0.6.12; import {IERC20} from "../dependencies/openzeppelin/contracts/IERC20.sol"; import {IScaledBalanceToken} from "./IScaledBalanceToken.sol"; import {IInitializableAToken} from "./IInitializableAToken.sol"; import {IAaveIncentivesController} from "./IAaveIncentivesController.sol"; interface IAToken is IERC20, IScaledBalanceToken, IInitializableAToken { /** * @dev Emitted after the mint action * @param from The address performing the mint * @param value The amount being * @param index The new liquidity index of the reserve **/ event Mint(address indexed from, uint256 value, uint256 index); /** * @dev Mints `amount` aTokens to `user` * @param user The address receiving the minted tokens * @param amount The amount of tokens getting minted * @param index The new liquidity index of the reserve * @return `true` if the the previous balance of the user was 0 */ function mint( address user, uint256 amount, uint256 index ) external returns (bool); /** * @dev Emitted after aTokens are burned * @param from The owner of the aTokens, getting them burned * @param target The address that will receive the underlying * @param value The amount being burned * @param index The new liquidity index of the reserve **/ event Burn(address indexed from, address indexed target, uint256 value, uint256 index); /** * @dev Emitted during the transfer action * @param from The user whose tokens are being transferred * @param to The recipient * @param value The amount being transferred * @param index The new liquidity index of the reserve **/ event BalanceTransfer(address indexed from, address indexed to, uint256 value, uint256 index); /** * @dev Burns aTokens from `user` and sends the equivalent amount of underlying to `receiverOfUnderlying` * @param user The owner of the aTokens, getting them burned * @param receiverOfUnderlying The address that will receive the underlying * @param amount The amount being burned * @param index The new liquidity index of the reserve **/ function burn( address user, address receiverOfUnderlying, uint256 amount, uint256 index ) external; /** * @dev Mints aTokens to the reserve treasury * @param amount The amount of tokens getting minted * @param index The new liquidity index of the reserve */ function mintToTreasury(uint256 amount, uint256 index) external; /** * @dev Transfers aTokens in the event of a borrow being liquidated, in case the liquidators reclaims the aToken * @param from The address getting liquidated, current owner of the aTokens * @param to The recipient * @param value The amount of tokens getting transferred **/ function transferOnLiquidation( address from, address to, uint256 value ) external; /** * @dev Transfers the underlying asset to `target`. Used by the LendingPool to transfer * assets in borrow(), withdraw() and flashLoan() * @param user The recipient of the underlying * @param amount The amount getting transferred * @return The amount transferred **/ function transferUnderlyingTo(address user, uint256 amount) external returns (uint256); /** * @dev Invoked to execute actions on the aToken side after a repayment. * @param user The user executing the repayment * @param amount The amount getting repaid **/ function handleRepayment(address user, uint256 amount) external; /** * @dev Returns the address of the incentives controller contract **/ function getIncentivesController() external view returns (IAaveIncentivesController); /** * @dev Returns the address of the underlying asset of this aToken (E.g. WETH for aWETH) **/ function UNDERLYING_ASSET_ADDRESS() external view returns (address); }
// SPDX-License-Identifier: agpl-3.0 pragma solidity 0.6.12; import {Errors} from "../helpers/Errors.sol"; import {DataTypes} from "../types/DataTypes.sol"; /** * @title ReserveConfiguration library * @author Aave * @notice Implements the bitmap logic to handle the reserve configuration */ library ReserveConfiguration { uint256 constant LTV_MASK = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF0000; // prettier-ignore uint256 constant LIQUIDATION_THRESHOLD_MASK = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF0000FFFF; // prettier-ignore uint256 constant LIQUIDATION_BONUS_MASK = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF0000FFFFFFFF; // prettier-ignore uint256 constant DECIMALS_MASK = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00FFFFFFFFFFFF; // prettier-ignore uint256 constant ACTIVE_MASK = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFF; // prettier-ignore uint256 constant FROZEN_MASK = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFDFFFFFFFFFFFFFF; // prettier-ignore uint256 constant BORROWING_MASK = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFBFFFFFFFFFFFFFF; // prettier-ignore uint256 constant STABLE_BORROWING_MASK = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF7FFFFFFFFFFFFFF; // prettier-ignore uint256 constant RESERVE_FACTOR_MASK = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF0000FFFFFFFFFFFFFFFF; // prettier-ignore /// @dev For the LTV, the start bit is 0 (up to 15), hence no bitshifting is needed uint256 constant LIQUIDATION_THRESHOLD_START_BIT_POSITION = 16; uint256 constant LIQUIDATION_BONUS_START_BIT_POSITION = 32; uint256 constant RESERVE_DECIMALS_START_BIT_POSITION = 48; uint256 constant IS_ACTIVE_START_BIT_POSITION = 56; uint256 constant IS_FROZEN_START_BIT_POSITION = 57; uint256 constant BORROWING_ENABLED_START_BIT_POSITION = 58; uint256 constant STABLE_BORROWING_ENABLED_START_BIT_POSITION = 59; uint256 constant RESERVE_FACTOR_START_BIT_POSITION = 64; uint256 constant MAX_VALID_LTV = 65535; uint256 constant MAX_VALID_LIQUIDATION_THRESHOLD = 65535; uint256 constant MAX_VALID_LIQUIDATION_BONUS = 65535; uint256 constant MAX_VALID_DECIMALS = 255; uint256 constant MAX_VALID_RESERVE_FACTOR = 65535; /** * @dev Sets the Loan to Value of the reserve * @param self The reserve configuration * @param ltv the new ltv **/ function setLtv(DataTypes.ReserveConfigurationMap memory self, uint256 ltv) internal pure { require(ltv <= MAX_VALID_LTV, Errors.RC_INVALID_LTV); self.data = (self.data & LTV_MASK) | ltv; } /** * @dev Gets the Loan to Value of the reserve * @param self The reserve configuration * @return The loan to value **/ function getLtv(DataTypes.ReserveConfigurationMap storage self) internal view returns (uint256) { return self.data & ~LTV_MASK; } /** * @dev Sets the liquidation threshold of the reserve * @param self The reserve configuration * @param threshold The new liquidation threshold **/ function setLiquidationThreshold(DataTypes.ReserveConfigurationMap memory self, uint256 threshold) internal pure { require(threshold <= MAX_VALID_LIQUIDATION_THRESHOLD, Errors.RC_INVALID_LIQ_THRESHOLD); self.data = (self.data & LIQUIDATION_THRESHOLD_MASK) | (threshold << LIQUIDATION_THRESHOLD_START_BIT_POSITION); } /** * @dev Gets the liquidation threshold of the reserve * @param self The reserve configuration * @return The liquidation threshold **/ function getLiquidationThreshold(DataTypes.ReserveConfigurationMap storage self) internal view returns (uint256) { return (self.data & ~LIQUIDATION_THRESHOLD_MASK) >> LIQUIDATION_THRESHOLD_START_BIT_POSITION; } /** * @dev Sets the liquidation bonus of the reserve * @param self The reserve configuration * @param bonus The new liquidation bonus **/ function setLiquidationBonus(DataTypes.ReserveConfigurationMap memory self, uint256 bonus) internal pure { require(bonus <= MAX_VALID_LIQUIDATION_BONUS, Errors.RC_INVALID_LIQ_BONUS); self.data = (self.data & LIQUIDATION_BONUS_MASK) | (bonus << LIQUIDATION_BONUS_START_BIT_POSITION); } /** * @dev Gets the liquidation bonus of the reserve * @param self The reserve configuration * @return The liquidation bonus **/ function getLiquidationBonus(DataTypes.ReserveConfigurationMap storage self) internal view returns (uint256) { return (self.data & ~LIQUIDATION_BONUS_MASK) >> LIQUIDATION_BONUS_START_BIT_POSITION; } /** * @dev Sets the decimals of the underlying asset of the reserve * @param self The reserve configuration * @param decimals The decimals **/ function setDecimals(DataTypes.ReserveConfigurationMap memory self, uint256 decimals) internal pure { require(decimals <= MAX_VALID_DECIMALS, Errors.RC_INVALID_DECIMALS); self.data = (self.data & DECIMALS_MASK) | (decimals << RESERVE_DECIMALS_START_BIT_POSITION); } /** * @dev Gets the decimals of the underlying asset of the reserve * @param self The reserve configuration * @return The decimals of the asset **/ function getDecimals(DataTypes.ReserveConfigurationMap storage self) internal view returns (uint256) { return (self.data & ~DECIMALS_MASK) >> RESERVE_DECIMALS_START_BIT_POSITION; } /** * @dev Sets the active state of the reserve * @param self The reserve configuration * @param active The active state **/ function setActive(DataTypes.ReserveConfigurationMap memory self, bool active) internal pure { self.data = (self.data & ACTIVE_MASK) | (uint256(active ? 1 : 0) << IS_ACTIVE_START_BIT_POSITION); } /** * @dev Gets the active state of the reserve * @param self The reserve configuration * @return The active state **/ function getActive(DataTypes.ReserveConfigurationMap storage self) internal view returns (bool) { return (self.data & ~ACTIVE_MASK) != 0; } /** * @dev Sets the frozen state of the reserve * @param self The reserve configuration * @param frozen The frozen state **/ function setFrozen(DataTypes.ReserveConfigurationMap memory self, bool frozen) internal pure { self.data = (self.data & FROZEN_MASK) | (uint256(frozen ? 1 : 0) << IS_FROZEN_START_BIT_POSITION); } /** * @dev Gets the frozen state of the reserve * @param self The reserve configuration * @return The frozen state **/ function getFrozen(DataTypes.ReserveConfigurationMap storage self) internal view returns (bool) { return (self.data & ~FROZEN_MASK) != 0; } /** * @dev Enables or disables borrowing on the reserve * @param self The reserve configuration * @param enabled True if the borrowing needs to be enabled, false otherwise **/ function setBorrowingEnabled(DataTypes.ReserveConfigurationMap memory self, bool enabled) internal pure { self.data = (self.data & BORROWING_MASK) | (uint256(enabled ? 1 : 0) << BORROWING_ENABLED_START_BIT_POSITION); } /** * @dev Gets the borrowing state of the reserve * @param self The reserve configuration * @return The borrowing state **/ function getBorrowingEnabled(DataTypes.ReserveConfigurationMap storage self) internal view returns (bool) { return (self.data & ~BORROWING_MASK) != 0; } /** * @dev Enables or disables stable rate borrowing on the reserve * @param self The reserve configuration * @param enabled True if the stable rate borrowing needs to be enabled, false otherwise **/ function setStableRateBorrowingEnabled(DataTypes.ReserveConfigurationMap memory self, bool enabled) internal pure { self.data = (self.data & STABLE_BORROWING_MASK) | (uint256(enabled ? 1 : 0) << STABLE_BORROWING_ENABLED_START_BIT_POSITION); } /** * @dev Gets the stable rate borrowing state of the reserve * @param self The reserve configuration * @return The stable rate borrowing state **/ function getStableRateBorrowingEnabled(DataTypes.ReserveConfigurationMap storage self) internal view returns (bool) { return (self.data & ~STABLE_BORROWING_MASK) != 0; } /** * @dev Sets the reserve factor of the reserve * @param self The reserve configuration * @param reserveFactor The reserve factor **/ function setReserveFactor(DataTypes.ReserveConfigurationMap memory self, uint256 reserveFactor) internal pure { require(reserveFactor <= MAX_VALID_RESERVE_FACTOR, Errors.RC_INVALID_RESERVE_FACTOR); self.data = (self.data & RESERVE_FACTOR_MASK) | (reserveFactor << RESERVE_FACTOR_START_BIT_POSITION); } /** * @dev Gets the reserve factor of the reserve * @param self The reserve configuration * @return The reserve factor **/ function getReserveFactor(DataTypes.ReserveConfigurationMap storage self) internal view returns (uint256) { return (self.data & ~RESERVE_FACTOR_MASK) >> RESERVE_FACTOR_START_BIT_POSITION; } /** * @dev Gets the configuration flags of the reserve * @param self The reserve configuration * @return The state flags representing active, frozen, borrowing enabled, stableRateBorrowing enabled **/ function getFlags(DataTypes.ReserveConfigurationMap storage self) internal view returns ( bool, bool, bool, bool ) { uint256 dataLocal = self.data; return ( (dataLocal & ~ACTIVE_MASK) != 0, (dataLocal & ~FROZEN_MASK) != 0, (dataLocal & ~BORROWING_MASK) != 0, (dataLocal & ~STABLE_BORROWING_MASK) != 0 ); } /** * @dev Gets the configuration paramters of the reserve * @param self The reserve configuration * @return The state params representing ltv, liquidation threshold, liquidation bonus, the reserve decimals **/ function getParams(DataTypes.ReserveConfigurationMap storage self) internal view returns ( uint256, uint256, uint256, uint256, uint256 ) { uint256 dataLocal = self.data; return ( dataLocal & ~LTV_MASK, (dataLocal & ~LIQUIDATION_THRESHOLD_MASK) >> LIQUIDATION_THRESHOLD_START_BIT_POSITION, (dataLocal & ~LIQUIDATION_BONUS_MASK) >> LIQUIDATION_BONUS_START_BIT_POSITION, (dataLocal & ~DECIMALS_MASK) >> RESERVE_DECIMALS_START_BIT_POSITION, (dataLocal & ~RESERVE_FACTOR_MASK) >> RESERVE_FACTOR_START_BIT_POSITION ); } /** * @dev Gets the configuration paramters of the reserve from a memory object * @param self The reserve configuration * @return The state params representing ltv, liquidation threshold, liquidation bonus, the reserve decimals **/ function getParamsMemory(DataTypes.ReserveConfigurationMap memory self) internal pure returns ( uint256, uint256, uint256, uint256, uint256 ) { return ( self.data & ~LTV_MASK, (self.data & ~LIQUIDATION_THRESHOLD_MASK) >> LIQUIDATION_THRESHOLD_START_BIT_POSITION, (self.data & ~LIQUIDATION_BONUS_MASK) >> LIQUIDATION_BONUS_START_BIT_POSITION, (self.data & ~DECIMALS_MASK) >> RESERVE_DECIMALS_START_BIT_POSITION, (self.data & ~RESERVE_FACTOR_MASK) >> RESERVE_FACTOR_START_BIT_POSITION ); } /** * @dev Gets the configuration flags of the reserve from a memory object * @param self The reserve configuration * @return The state flags representing active, frozen, borrowing enabled, stableRateBorrowing enabled **/ function getFlagsMemory(DataTypes.ReserveConfigurationMap memory self) internal pure returns ( bool, bool, bool, bool ) { return ( (self.data & ~ACTIVE_MASK) != 0, (self.data & ~FROZEN_MASK) != 0, (self.data & ~BORROWING_MASK) != 0, (self.data & ~STABLE_BORROWING_MASK) != 0 ); } }
// SPDX-License-Identifier: agpl-3.0 pragma solidity 0.6.12; import {Errors} from "../helpers/Errors.sol"; import {DataTypes} from "../types/DataTypes.sol"; /** * @title UserConfiguration library * @author Aave * @notice Implements the bitmap logic to handle the user configuration */ library UserConfiguration { uint256 internal constant BORROWING_MASK = 0x5555555555555555555555555555555555555555555555555555555555555555; /** * @dev Sets if the user is borrowing the reserve identified by reserveIndex * @param self The configuration object * @param reserveIndex The index of the reserve in the bitmap * @param borrowing True if the user is borrowing the reserve, false otherwise **/ function setBorrowing( DataTypes.UserConfigurationMap storage self, uint256 reserveIndex, bool borrowing ) internal { require(reserveIndex < 128, Errors.UL_INVALID_INDEX); self.data = (self.data & ~(1 << (reserveIndex * 2))) | (uint256(borrowing ? 1 : 0) << (reserveIndex * 2)); } /** * @dev Sets if the user is using as collateral the reserve identified by reserveIndex * @param self The configuration object * @param reserveIndex The index of the reserve in the bitmap * @param usingAsCollateral True if the user is usin the reserve as collateral, false otherwise **/ function setUsingAsCollateral( DataTypes.UserConfigurationMap storage self, uint256 reserveIndex, bool usingAsCollateral ) internal { require(reserveIndex < 128, Errors.UL_INVALID_INDEX); self.data = (self.data & ~(1 << (reserveIndex * 2 + 1))) | (uint256(usingAsCollateral ? 1 : 0) << (reserveIndex * 2 + 1)); } /** * @dev Used to validate if a user has been using the reserve for borrowing or as collateral * @param self The configuration object * @param reserveIndex The index of the reserve in the bitmap * @return True if the user has been using a reserve for borrowing or as collateral, false otherwise **/ function isUsingAsCollateralOrBorrowing(DataTypes.UserConfigurationMap memory self, uint256 reserveIndex) internal pure returns (bool) { require(reserveIndex < 128, Errors.UL_INVALID_INDEX); return (self.data >> (reserveIndex * 2)) & 3 != 0; } /** * @dev Used to validate if a user has been using the reserve for borrowing * @param self The configuration object * @param reserveIndex The index of the reserve in the bitmap * @return True if the user has been using a reserve for borrowing, false otherwise **/ function isBorrowing(DataTypes.UserConfigurationMap memory self, uint256 reserveIndex) internal pure returns (bool) { require(reserveIndex < 128, Errors.UL_INVALID_INDEX); return (self.data >> (reserveIndex * 2)) & 1 != 0; } /** * @dev Used to validate if a user has been using the reserve as collateral * @param self The configuration object * @param reserveIndex The index of the reserve in the bitmap * @return True if the user has been using a reserve as collateral, false otherwise **/ function isUsingAsCollateral(DataTypes.UserConfigurationMap memory self, uint256 reserveIndex) internal pure returns (bool) { require(reserveIndex < 128, Errors.UL_INVALID_INDEX); return (self.data >> (reserveIndex * 2 + 1)) & 1 != 0; } /** * @dev Used to validate if a user has been borrowing from any reserve * @param self The configuration object * @return True if the user has been borrowing any reserve, false otherwise **/ function isBorrowingAny(DataTypes.UserConfigurationMap memory self) internal pure returns (bool) { return self.data & BORROWING_MASK != 0; } /** * @dev Used to validate if a user has not been using any reserve * @param self The configuration object * @return True if the user has been borrowing any reserve, false otherwise **/ function isEmpty(DataTypes.UserConfigurationMap memory self) internal pure returns (bool) { return self.data == 0; } }
// SPDX-License-Identifier: agpl-3.0 pragma solidity 0.6.12; import {IERC20} from "../../../dependencies/openzeppelin/contracts/IERC20.sol"; import {DataTypes} from "../types/DataTypes.sol"; /** * @title Helpers library * @author Aave */ library Helpers { /** * @dev Fetches the user current stable and variable debt balances * @param user The user address * @param reserve The reserve data object * @return The stable and variable debt balance **/ function getUserCurrentDebt(address user, DataTypes.ReserveData storage reserve) internal view returns (uint256, uint256) { return ( IERC20(reserve.stableDebtTokenAddress).balanceOf(user), IERC20(reserve.variableDebtTokenAddress).balanceOf(user) ); } function getUserCurrentDebtMemory(address user, DataTypes.ReserveData memory reserve) internal view returns (uint256, uint256) { return ( IERC20(reserve.stableDebtTokenAddress).balanceOf(user), IERC20(reserve.variableDebtTokenAddress).balanceOf(user) ); } }
// SPDX-License-Identifier: agpl-3.0 pragma solidity 0.6.12; library DataTypes { // refer to the whitepaper, section 1.1 basic concepts for a formal description of these properties. struct ReserveData { //stores the reserve configuration ReserveConfigurationMap configuration; //the liquidity index. Expressed in ray uint128 liquidityIndex; //variable borrow index. Expressed in ray uint128 variableBorrowIndex; //the current supply rate. Expressed in ray uint128 currentLiquidityRate; //the current variable borrow rate. Expressed in ray uint128 currentVariableBorrowRate; //the current stable borrow rate. Expressed in ray uint128 currentStableBorrowRate; uint40 lastUpdateTimestamp; //tokens addresses address aTokenAddress; address stableDebtTokenAddress; address variableDebtTokenAddress; //address of the interest rate strategy address interestRateStrategyAddress; //the id of the reserve. Represents the position in the list of the active reserves uint8 id; } struct ReserveConfigurationMap { //bit 0-15: LTV //bit 16-31: Liq. threshold //bit 32-47: Liq. bonus //bit 48-55: Decimals //bit 56: Reserve is active //bit 57: reserve is frozen //bit 58: borrowing is enabled //bit 59: stable rate borrowing enabled //bit 60-63: reserved //bit 64-79: reserve factor uint256 data; } struct UserConfigurationMap { uint256 data; } enum InterestRateMode { NONE, STABLE, VARIABLE } }
// SPDX-License-Identifier: MIT pragma solidity 0.6.12; /* * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with GSN meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ abstract contract Context { function _msgSender() internal view virtual returns (address payable) { return msg.sender; } function _msgData() internal view virtual returns (bytes memory) { this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691 return msg.data; } }
// SPDX-License-Identifier: agpl-3.0 pragma solidity 0.6.12; /** * @title LendingPoolAddressesProvider contract * @dev Main registry of addresses part of or connected to the protocol, including permissioned roles * - Acting also as factory of proxies and admin of those, so with right to change its implementations * - Owned by the Aave Governance * @author Aave **/ interface ILendingPoolAddressesProvider { event MarketIdSet(string newMarketId); event LendingPoolUpdated(address indexed newAddress); event ConfigurationAdminUpdated(address indexed newAddress); event EmergencyAdminUpdated(address indexed newAddress); event LendingPoolConfiguratorUpdated(address indexed newAddress); event LendingPoolCollateralManagerUpdated(address indexed newAddress); event PriceOracleUpdated(address indexed newAddress); event LendingRateOracleUpdated(address indexed newAddress); event ProxyCreated(bytes32 id, address indexed newAddress); event AddressSet(bytes32 id, address indexed newAddress, bool hasProxy); function getMarketId() external view returns (string memory); function setMarketId(string calldata marketId) external; function setAddress(bytes32 id, address newAddress) external; function setAddressAsProxy(bytes32 id, address impl) external; function getAddress(bytes32 id) external view returns (address); function getLendingPool() external view returns (address); function setLendingPoolImpl(address pool) external; function getLendingPoolConfigurator() external view returns (address); function setLendingPoolConfiguratorImpl(address configurator) external; function getLendingPoolCollateralManager() external view returns (address); function setLendingPoolCollateralManager(address manager) external; function getPoolAdmin() external view returns (address); function setPoolAdmin(address admin) external; function getEmergencyAdmin() external view returns (address); function setEmergencyAdmin(address admin) external; function getPriceOracle() external view returns (address); function setPriceOracle(address priceOracle) external; function getLendingRateOracle() external view returns (address); function setLendingRateOracle(address lendingRateOracle) external; }
// SPDX-License-Identifier: agpl-3.0 pragma solidity 0.6.12; interface IScaledBalanceToken { /** * @dev Returns the scaled balance of the user. The scaled balance is the sum of all the * updated stored balance divided by the reserve's liquidity index at the moment of the update * @param user The user whose balance is calculated * @return The scaled balance of the user **/ function scaledBalanceOf(address user) external view returns (uint256); /** * @dev Returns the scaled balance of the user and the scaled total supply. * @param user The address of the user * @return The scaled balance of the user * @return The scaled balance and the scaled total supply **/ function getScaledUserBalanceAndSupply(address user) external view returns (uint256, uint256); /** * @dev Returns the scaled total supply of the variable debt token. Represents sum(debt/index) * @return The scaled total supply **/ function scaledTotalSupply() external view returns (uint256); }
// SPDX-License-Identifier: agpl-3.0 pragma solidity 0.6.12; import {ILendingPool} from "./ILendingPool.sol"; import {IAaveIncentivesController} from "./IAaveIncentivesController.sol"; /** * @title IInitializableAToken * @notice Interface for the initialize function on AToken * @author Aave **/ interface IInitializableAToken { /** * @dev Emitted when an aToken is initialized * @param underlyingAsset The address of the underlying asset * @param pool The address of the associated lending pool * @param treasury The address of the treasury * @param incentivesController The address of the incentives controller for this aToken * @param aTokenDecimals the decimals of the underlying * @param aTokenName the name of the aToken * @param aTokenSymbol the symbol of the aToken * @param params A set of encoded parameters for additional initialization **/ event Initialized( address indexed underlyingAsset, address indexed pool, address treasury, address incentivesController, uint8 aTokenDecimals, string aTokenName, string aTokenSymbol, bytes params ); /** * @dev Initializes the aToken * @param pool The address of the lending pool where this aToken will be used * @param treasury The address of the Aave treasury, receiving the fees on this aToken * @param underlyingAsset The address of the underlying asset of this aToken (E.g. WETH for aWETH) * @param incentivesController The smart contract managing potential incentives distribution * @param aTokenDecimals The decimals of the aToken, same as the underlying asset's * @param aTokenName The name of the aToken * @param aTokenSymbol The symbol of the aToken */ function initialize( ILendingPool pool, address treasury, address underlyingAsset, IAaveIncentivesController incentivesController, uint8 aTokenDecimals, string calldata aTokenName, string calldata aTokenSymbol, bytes calldata params ) external; }
// SPDX-License-Identifier: agpl-3.0 pragma solidity 0.6.12; pragma experimental ABIEncoderV2; interface IAaveIncentivesController { event RewardsAccrued(address indexed user, uint256 amount); event RewardsClaimed(address indexed user, address indexed to, uint256 amount); event RewardsClaimed(address indexed user, address indexed to, address indexed claimer, uint256 amount); event ClaimerSet(address indexed user, address indexed claimer); /* * @dev Returns the configuration of the distribution for a certain asset * @param asset The address of the reference asset of the distribution * @return The asset index, the emission per second and the last updated timestamp **/ function getAssetData(address asset) external view returns ( uint256, uint256, uint256 ); /* * LEGACY ************************** * @dev Returns the configuration of the distribution for a certain asset * @param asset The address of the reference asset of the distribution * @return The asset index, the emission per second and the last updated timestamp **/ function assets(address asset) external view returns ( uint128, uint128, uint256 ); /** * @dev Whitelists an address to claim the rewards on behalf of another address * @param user The address of the user * @param claimer The address of the claimer */ function setClaimer(address user, address claimer) external; /** * @dev Returns the whitelisted claimer for a certain address (0x0 if not set) * @param user The address of the user * @return The claimer address */ function getClaimer(address user) external view returns (address); /** * @dev Configure assets for a certain rewards emission * @param assets The assets to incentivize * @param emissionsPerSecond The emission for each asset */ function configureAssets(address[] calldata assets, uint256[] calldata emissionsPerSecond) external; /** * @dev Called by the corresponding asset on any update that affects the rewards distribution * @param asset The address of the user * @param userBalance The balance of the user of the asset in the lending pool * @param totalSupply The total supply of the asset in the lending pool **/ function handleAction( address asset, uint256 userBalance, uint256 totalSupply ) external; /** * @dev Returns the total of rewards of an user, already accrued + not yet accrued * @param user The address of the user * @return The rewards **/ function getRewardsBalance(address[] calldata assets, address user) external view returns (uint256); /** * @dev Claims reward for an user, on all the assets of the lending pool, accumulating the pending rewards * @param amount Amount of rewards to claim * @param to Address that will be receiving the rewards * @return Rewards claimed **/ function claimRewards( address[] calldata assets, uint256 amount, address to ) external returns (uint256); /** * @dev Claims reward for an user on behalf, on all the assets of the lending pool, accumulating the pending rewards. The caller must * be whitelisted via "allowClaimOnBehalf" function by the RewardsAdmin role manager * @param amount Amount of rewards to claim * @param user Address to check and claim rewards * @param to Address that will be receiving the rewards * @return Rewards claimed **/ function claimRewardsOnBehalf( address[] calldata assets, uint256 amount, address user, address to ) external returns (uint256); /** * @dev returns the unclaimed rewards of the user * @param user the address of the user * @return the unclaimed user rewards */ function getUserUnclaimedRewards(address user) external view returns (uint256); /** * @dev returns the unclaimed rewards of the user * @param user the address of the user * @param asset The asset to incentivize * @return the user index for the asset */ function getUserAssetData(address user, address asset) external view returns (uint256); /** * @dev for backward compatibility with previous implementation of the Incentives controller */ function REWARD_TOKEN() external view returns (address); /** * @dev for backward compatibility with previous implementation of the Incentives controller */ function PRECISION() external view returns (uint8); /** * @dev Gets the distribution end timestamp of the emissions */ function DISTRIBUTION_END() external view returns (uint256); }
// SPDX-License-Identifier: agpl-3.0 pragma solidity 0.6.12; /** * @title Errors library * @author Aave * @notice Defines the error messages emitted by the different contracts of the Aave protocol * @dev Error messages prefix glossary: * - VL = ValidationLogic * - MATH = Math libraries * - CT = Common errors between tokens (AToken, VariableDebtToken and StableDebtToken) * - AT = AToken * - SDT = StableDebtToken * - VDT = VariableDebtToken * - LP = LendingPool * - LPAPR = LendingPoolAddressesProviderRegistry * - LPC = LendingPoolConfiguration * - RL = ReserveLogic * - LPCM = LendingPoolCollateralManager * - P = Pausable */ library Errors { //common errors string public constant CALLER_NOT_POOL_ADMIN = "33"; // 'The caller must be the pool admin' string public constant BORROW_ALLOWANCE_NOT_ENOUGH = "59"; // User borrows on behalf, but allowance are too small //contract specific errors string public constant VL_INVALID_AMOUNT = "1"; // 'Amount must be greater than 0' string public constant VL_NO_ACTIVE_RESERVE = "2"; // 'Action requires an active reserve' string public constant VL_RESERVE_FROZEN = "3"; // 'Action cannot be performed because the reserve is frozen' string public constant VL_CURRENT_AVAILABLE_LIQUIDITY_NOT_ENOUGH = "4"; // 'The current liquidity is not enough' string public constant VL_NOT_ENOUGH_AVAILABLE_USER_BALANCE = "5"; // 'User cannot withdraw more than the available balance' string public constant VL_TRANSFER_NOT_ALLOWED = "6"; // 'Transfer cannot be allowed.' string public constant VL_BORROWING_NOT_ENABLED = "7"; // 'Borrowing is not enabled' string public constant VL_INVALID_INTEREST_RATE_MODE_SELECTED = "8"; // 'Invalid interest rate mode selected' string public constant VL_COLLATERAL_BALANCE_IS_0 = "9"; // 'The collateral balance is 0' string public constant VL_HEALTH_FACTOR_LOWER_THAN_LIQUIDATION_THRESHOLD = "10"; // 'Health factor is lesser than the liquidation threshold' string public constant VL_COLLATERAL_CANNOT_COVER_NEW_BORROW = "11"; // 'There is not enough collateral to cover a new borrow' string public constant VL_STABLE_BORROWING_NOT_ENABLED = "12"; // stable borrowing not enabled string public constant VL_COLLATERAL_SAME_AS_BORROWING_CURRENCY = "13"; // collateral is (mostly) the same currency that is being borrowed string public constant VL_AMOUNT_BIGGER_THAN_MAX_LOAN_SIZE_STABLE = "14"; // 'The requested amount is greater than the max loan size in stable rate mode string public constant VL_NO_DEBT_OF_SELECTED_TYPE = "15"; // 'for repayment of stable debt, the user needs to have stable debt, otherwise, he needs to have variable debt' string public constant VL_NO_EXPLICIT_AMOUNT_TO_REPAY_ON_BEHALF = "16"; // 'To repay on behalf of an user an explicit amount to repay is needed' string public constant VL_NO_STABLE_RATE_LOAN_IN_RESERVE = "17"; // 'User does not have a stable rate loan in progress on this reserve' string public constant VL_NO_VARIABLE_RATE_LOAN_IN_RESERVE = "18"; // 'User does not have a variable rate loan in progress on this reserve' string public constant VL_UNDERLYING_BALANCE_NOT_GREATER_THAN_0 = "19"; // 'The underlying balance needs to be greater than 0' string public constant VL_DEPOSIT_ALREADY_IN_USE = "20"; // 'User deposit is already being used as collateral' string public constant LP_NOT_ENOUGH_STABLE_BORROW_BALANCE = "21"; // 'User does not have any stable rate loan for this reserve' string public constant LP_INTEREST_RATE_REBALANCE_CONDITIONS_NOT_MET = "22"; // 'Interest rate rebalance conditions were not met' string public constant LP_LIQUIDATION_CALL_FAILED = "23"; // 'Liquidation call failed' string public constant LP_NOT_ENOUGH_LIQUIDITY_TO_BORROW = "24"; // 'There is not enough liquidity available to borrow' string public constant LP_REQUESTED_AMOUNT_TOO_SMALL = "25"; // 'The requested amount is too small for a FlashLoan.' string public constant LP_INCONSISTENT_PROTOCOL_ACTUAL_BALANCE = "26"; // 'The actual balance of the protocol is inconsistent' string public constant LP_CALLER_NOT_LENDING_POOL_CONFIGURATOR = "27"; // 'The caller of the function is not the lending pool configurator' string public constant LP_INCONSISTENT_FLASHLOAN_PARAMS = "28"; string public constant CT_CALLER_MUST_BE_LENDING_POOL = "29"; // 'The caller of this function must be a lending pool' string public constant CT_CANNOT_GIVE_ALLOWANCE_TO_HIMSELF = "30"; // 'User cannot give allowance to himself' string public constant CT_TRANSFER_AMOUNT_NOT_GT_0 = "31"; // 'Transferred amount needs to be greater than zero' string public constant RL_RESERVE_ALREADY_INITIALIZED = "32"; // 'Reserve has already been initialized' string public constant LPC_RESERVE_LIQUIDITY_NOT_0 = "34"; // 'The liquidity of the reserve needs to be 0' string public constant LPC_INVALID_ATOKEN_POOL_ADDRESS = "35"; // 'The liquidity of the reserve needs to be 0' string public constant LPC_INVALID_STABLE_DEBT_TOKEN_POOL_ADDRESS = "36"; // 'The liquidity of the reserve needs to be 0' string public constant LPC_INVALID_VARIABLE_DEBT_TOKEN_POOL_ADDRESS = "37"; // 'The liquidity of the reserve needs to be 0' string public constant LPC_INVALID_STABLE_DEBT_TOKEN_UNDERLYING_ADDRESS = "38"; // 'The liquidity of the reserve needs to be 0' string public constant LPC_INVALID_VARIABLE_DEBT_TOKEN_UNDERLYING_ADDRESS = "39"; // 'The liquidity of the reserve needs to be 0' string public constant LPC_INVALID_ADDRESSES_PROVIDER_ID = "40"; // 'The liquidity of the reserve needs to be 0' string public constant LPC_INVALID_CONFIGURATION = "75"; // 'Invalid risk parameters for the reserve' string public constant LPC_CALLER_NOT_EMERGENCY_ADMIN = "76"; // 'The caller must be the emergency admin' string public constant LPAPR_PROVIDER_NOT_REGISTERED = "41"; // 'Provider is not registered' string public constant LPCM_HEALTH_FACTOR_NOT_BELOW_THRESHOLD = "42"; // 'Health factor is not below the threshold' string public constant LPCM_COLLATERAL_CANNOT_BE_LIQUIDATED = "43"; // 'The collateral chosen cannot be liquidated' string public constant LPCM_SPECIFIED_CURRENCY_NOT_BORROWED_BY_USER = "44"; // 'User did not borrow the specified currency' string public constant LPCM_NOT_ENOUGH_LIQUIDITY_TO_LIQUIDATE = "45"; // "There isn't enough liquidity available to liquidate" string public constant LPCM_NO_ERRORS = "46"; // 'No errors' string public constant LP_INVALID_FLASHLOAN_MODE = "47"; //Invalid flashloan mode selected string public constant MATH_MULTIPLICATION_OVERFLOW = "48"; string public constant MATH_ADDITION_OVERFLOW = "49"; string public constant MATH_DIVISION_BY_ZERO = "50"; string public constant RL_LIQUIDITY_INDEX_OVERFLOW = "51"; // Liquidity index overflows uint128 string public constant RL_VARIABLE_BORROW_INDEX_OVERFLOW = "52"; // Variable borrow index overflows uint128 string public constant RL_LIQUIDITY_RATE_OVERFLOW = "53"; // Liquidity rate overflows uint128 string public constant RL_VARIABLE_BORROW_RATE_OVERFLOW = "54"; // Variable borrow rate overflows uint128 string public constant RL_STABLE_BORROW_RATE_OVERFLOW = "55"; // Stable borrow rate overflows uint128 string public constant CT_INVALID_MINT_AMOUNT = "56"; //invalid amount to mint string public constant LP_FAILED_REPAY_WITH_COLLATERAL = "57"; string public constant CT_INVALID_BURN_AMOUNT = "58"; //invalid amount to burn string public constant LP_FAILED_COLLATERAL_SWAP = "60"; string public constant LP_INVALID_EQUAL_ASSETS_TO_SWAP = "61"; string public constant LP_REENTRANCY_NOT_ALLOWED = "62"; string public constant LP_CALLER_MUST_BE_AN_ATOKEN = "63"; string public constant LP_IS_PAUSED = "64"; // 'Pool is paused' string public constant LP_NO_MORE_RESERVES_ALLOWED = "65"; string public constant LP_INVALID_FLASH_LOAN_EXECUTOR_RETURN = "66"; string public constant RC_INVALID_LTV = "67"; string public constant RC_INVALID_LIQ_THRESHOLD = "68"; string public constant RC_INVALID_LIQ_BONUS = "69"; string public constant RC_INVALID_DECIMALS = "70"; string public constant RC_INVALID_RESERVE_FACTOR = "71"; string public constant LPAPR_INVALID_ADDRESSES_PROVIDER_ID = "72"; string public constant VL_INCONSISTENT_FLASHLOAN_PARAMS = "73"; string public constant LP_INCONSISTENT_PARAMS_LENGTH = "74"; string public constant UL_INVALID_INDEX = "77"; string public constant LP_NOT_CONTRACT = "78"; string public constant SDT_STABLE_DEBT_OVERFLOW = "79"; string public constant SDT_BURN_EXCEEDS_BALANCE = "80"; enum CollateralManagerErrors { NO_ERROR, NO_COLLATERAL_AVAILABLE, COLLATERAL_CANNOT_BE_LIQUIDATED, CURRRENCY_NOT_BORROWED, HEALTH_FACTOR_ABOVE_THRESHOLD, NOT_ENOUGH_LIQUIDITY, NO_ACTIVE_RESERVE, HEALTH_FACTOR_LOWER_THAN_LIQUIDATION_THRESHOLD, INVALID_EQUAL_ASSETS_TO_SWAP, FROZEN_RESERVE } }
{ "optimizer": { "enabled": true, "runs": 1000 }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "libraries": {} }
[{"inputs":[{"internalType":"address","name":"weth","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"stateMutability":"payable","type":"fallback"},{"inputs":[{"internalType":"address","name":"lendingPool","type":"address"}],"name":"authorizeLendingPool","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"lendingPool","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"interesRateMode","type":"uint256"},{"internalType":"uint16","name":"referralCode","type":"uint16"}],"name":"borrowETH","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"lendingPool","type":"address"},{"internalType":"address","name":"onBehalfOf","type":"address"},{"internalType":"uint16","name":"referralCode","type":"uint16"}],"name":"depositETH","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"emergencyEtherTransfer","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"emergencyTokenTransfer","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"getWETHAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"lendingPool","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"rateMode","type":"uint256"},{"internalType":"address","name":"onBehalfOf","type":"address"}],"name":"repayETH","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"lendingPool","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"address","name":"to","type":"address"}],"name":"withdrawETH","outputs":[],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}]
Contract Creation Code
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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
0000000000000000000000001376c97c5c512d2d6f9173a9a3a016b6140b4536
-----Decoded View---------------
Arg [0] : weth (address): 0x1376c97c5c512d2d6f9173a9a3a016b6140b4536
-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 0000000000000000000000001376c97c5c512d2d6f9173a9a3a016b6140b4536
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