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Contract Name:
WstETHPriceCapAdapter
Compiler Version
v0.8.21+commit.d9974bed
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: BUSL-1.1 pragma solidity ^0.8.19; import {IACLManager} from 'aave-address-book/AaveV3.sol'; import {IStETH} from 'cl-synchronicity-price-adapter/interfaces/IStETH.sol'; import {PriceCapAdapterBase, IPriceCapAdapter} from './PriceCapAdapterBase.sol'; /** * @title WstETHPriceCapAdapter * @author BGD Labs * @notice Price capped adapter to calculate price of (wstETH / USD) pair by using * @notice Chainlink data feed for (ETH / USD) and (wstETH / stETH) ratio. */ contract WstETHPriceCapAdapter is PriceCapAdapterBase { /** * @param aclManager ACL manager contract * @param ethToBaseAggregatorAddress the address of (ETH / USD) feed * @param stEthAddress the address of the stETH contract, the (wStETH / ETH) ratio feed * @param pairName name identifier * @param minimumSnapshotDelay minimum time (in seconds) that should have passed from the snapshot timestamp to the current block.timestamp * @param priceCapParams parameters to set price cap */ constructor( IACLManager aclManager, address ethToBaseAggregatorAddress, address stEthAddress, string memory pairName, uint48 minimumSnapshotDelay, PriceCapUpdateParams memory priceCapParams ) PriceCapAdapterBase( aclManager, ethToBaseAggregatorAddress, stEthAddress, pairName, 18, minimumSnapshotDelay, priceCapParams ) {} /// @inheritdoc IPriceCapAdapter function getRatio() public view override returns (int256) { return int256(IStETH(RATIO_PROVIDER).getPooledEthByShares(10 ** RATIO_DECIMALS)); } }
// SPDX-License-Identifier: MIT // Chainlink Contracts v0.8 pragma solidity ^0.8.0; interface AggregatorInterface { function latestAnswer() external view returns (int256); function latestTimestamp() external view returns (uint256); function latestRound() external view returns (uint256); function getAnswer(uint256 roundId) external view returns (int256); function getTimestamp(uint256 roundId) external view returns (uint256); event AnswerUpdated(int256 indexed current, uint256 indexed roundId, uint256 updatedAt); event NewRound(uint256 indexed roundId, address indexed startedBy, uint256 startedAt); }
// SPDX-License-Identifier: AGPL-3.0 pragma solidity ^0.8.0; /** * @dev Interface of the ERC20 standard as defined in the EIP. */ interface IERC20 { /** * @dev Returns the amount of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @dev Returns the amount of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves `amount` tokens from the caller's account to `recipient`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address recipient, uint256 amount) external returns (bool); /** * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. */ function allowance(address owner, address spender) external view returns (uint256); /** * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. */ function approve(address spender, uint256 amount) external returns (bool); /** * @dev Moves `amount` tokens from `sender` to `recipient` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval(address indexed owner, address indexed spender, uint256 value); }
// SPDX-License-Identifier: AGPL-3.0 pragma solidity ^0.8.0; import {IPoolAddressesProvider} from './IPoolAddressesProvider.sol'; /** * @title IACLManager * @author Aave * @notice Defines the basic interface for the ACL Manager */ interface IACLManager { /** * @notice Returns the contract address of the PoolAddressesProvider * @return The address of the PoolAddressesProvider */ function ADDRESSES_PROVIDER() external view returns (IPoolAddressesProvider); /** * @notice Returns the identifier of the PoolAdmin role * @return The id of the PoolAdmin role */ function POOL_ADMIN_ROLE() external view returns (bytes32); /** * @notice Returns the identifier of the EmergencyAdmin role * @return The id of the EmergencyAdmin role */ function EMERGENCY_ADMIN_ROLE() external view returns (bytes32); /** * @notice Returns the identifier of the RiskAdmin role * @return The id of the RiskAdmin role */ function RISK_ADMIN_ROLE() external view returns (bytes32); /** * @notice Returns the identifier of the FlashBorrower role * @return The id of the FlashBorrower role */ function FLASH_BORROWER_ROLE() external view returns (bytes32); /** * @notice Returns the identifier of the Bridge role * @return The id of the Bridge role */ function BRIDGE_ROLE() external view returns (bytes32); /** * @notice Returns the identifier of the AssetListingAdmin role * @return The id of the AssetListingAdmin role */ function ASSET_LISTING_ADMIN_ROLE() external view returns (bytes32); /** * @notice Set the role as admin of a specific role. * @dev By default the admin role for all roles is `DEFAULT_ADMIN_ROLE`. * @param role The role to be managed by the admin role * @param adminRole The admin role */ function setRoleAdmin(bytes32 role, bytes32 adminRole) external; /** * @notice Adds a new admin as PoolAdmin * @param admin The address of the new admin */ function addPoolAdmin(address admin) external; /** * @notice Removes an admin as PoolAdmin * @param admin The address of the admin to remove */ function removePoolAdmin(address admin) external; /** * @notice Returns true if the address is PoolAdmin, false otherwise * @param admin The address to check * @return True if the given address is PoolAdmin, false otherwise */ function isPoolAdmin(address admin) external view returns (bool); /** * @notice Adds a new admin as EmergencyAdmin * @param admin The address of the new admin */ function addEmergencyAdmin(address admin) external; /** * @notice Removes an admin as EmergencyAdmin * @param admin The address of the admin to remove */ function removeEmergencyAdmin(address admin) external; /** * @notice Returns true if the address is EmergencyAdmin, false otherwise * @param admin The address to check * @return True if the given address is EmergencyAdmin, false otherwise */ function isEmergencyAdmin(address admin) external view returns (bool); /** * @notice Adds a new admin as RiskAdmin * @param admin The address of the new admin */ function addRiskAdmin(address admin) external; /** * @notice Removes an admin as RiskAdmin * @param admin The address of the admin to remove */ function removeRiskAdmin(address admin) external; /** * @notice Returns true if the address is RiskAdmin, false otherwise * @param admin The address to check * @return True if the given address is RiskAdmin, false otherwise */ function isRiskAdmin(address admin) external view returns (bool); /** * @notice Adds a new address as FlashBorrower * @param borrower The address of the new FlashBorrower */ function addFlashBorrower(address borrower) external; /** * @notice Removes an address as FlashBorrower * @param borrower The address of the FlashBorrower to remove */ function removeFlashBorrower(address borrower) external; /** * @notice Returns true if the address is FlashBorrower, false otherwise * @param borrower The address to check * @return True if the given address is FlashBorrower, false otherwise */ function isFlashBorrower(address borrower) external view returns (bool); /** * @notice Adds a new address as Bridge * @param bridge The address of the new Bridge */ function addBridge(address bridge) external; /** * @notice Removes an address as Bridge * @param bridge The address of the bridge to remove */ function removeBridge(address bridge) external; /** * @notice Returns true if the address is Bridge, false otherwise * @param bridge The address to check * @return True if the given address is Bridge, false otherwise */ function isBridge(address bridge) external view returns (bool); /** * @notice Adds a new admin as AssetListingAdmin * @param admin The address of the new admin */ function addAssetListingAdmin(address admin) external; /** * @notice Removes an admin as AssetListingAdmin * @param admin The address of the admin to remove */ function removeAssetListingAdmin(address admin) external; /** * @notice Returns true if the address is AssetListingAdmin, false otherwise * @param admin The address to check * @return True if the given address is AssetListingAdmin, false otherwise */ function isAssetListingAdmin(address admin) external view returns (bool); }
// SPDX-License-Identifier: AGPL-3.0 pragma solidity ^0.8.0; import {IERC20} from '../dependencies/openzeppelin/contracts/IERC20.sol'; import {IScaledBalanceToken} from './IScaledBalanceToken.sol'; import {IInitializableAToken} from './IInitializableAToken.sol'; /** * @title IAToken * @author Aave * @notice Defines the basic interface for an AToken. */ interface IAToken is IERC20, IScaledBalanceToken, IInitializableAToken { /** * @dev Emitted during the transfer action * @param from The user whose tokens are being transferred * @param to The recipient * @param value The scaled amount being transferred * @param index The next liquidity index of the reserve */ event BalanceTransfer(address indexed from, address indexed to, uint256 value, uint256 index); /** * @notice Mints `amount` aTokens to `user` * @param caller The address performing the mint * @param onBehalfOf The address of the user that will receive the minted aTokens * @param amount The amount of tokens getting minted * @param index The next liquidity index of the reserve * @return `true` if the the previous balance of the user was 0 */ function mint( address caller, address onBehalfOf, uint256 amount, uint256 index ) external returns (bool); /** * @notice Burns aTokens from `user` and sends the equivalent amount of underlying to `receiverOfUnderlying` * @dev In some instances, the mint event could be emitted from a burn transaction * if the amount to burn is less than the interest that the user accrued * @param from The address from which the aTokens will be burned * @param receiverOfUnderlying The address that will receive the underlying * @param amount The amount being burned * @param index The next liquidity index of the reserve */ function burn(address from, address receiverOfUnderlying, uint256 amount, uint256 index) external; /** * @notice Mints aTokens to the reserve treasury * @param amount The amount of tokens getting minted * @param index The next liquidity index of the reserve */ function mintToTreasury(uint256 amount, uint256 index) external; /** * @notice 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; /** * @notice Transfers the underlying asset to `target`. * @dev Used by the Pool to transfer assets in borrow(), withdraw() and flashLoan() * @param target The recipient of the underlying * @param amount The amount getting transferred */ function transferUnderlyingTo(address target, uint256 amount) external; /** * @notice Handles the underlying received by the aToken after the transfer has been completed. * @dev The default implementation is empty as with standard ERC20 tokens, nothing needs to be done after the * transfer is concluded. However in the future there may be aTokens that allow for example to stake the underlying * to receive LM rewards. In that case, `handleRepayment()` would perform the staking of the underlying asset. * @param user The user executing the repayment * @param onBehalfOf The address of the user who will get his debt reduced/removed * @param amount The amount getting repaid */ function handleRepayment(address user, address onBehalfOf, uint256 amount) external; /** * @notice Allow passing a signed message to approve spending * @dev implements the permit function as for * https://github.com/ethereum/EIPs/blob/8a34d644aacf0f9f8f00815307fd7dd5da07655f/EIPS/eip-2612.md * @param owner The owner of the funds * @param spender The spender * @param value The amount * @param deadline The deadline timestamp, type(uint256).max for max deadline * @param v Signature param * @param s Signature param * @param r Signature param */ function permit( address owner, address spender, uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s ) external; /** * @notice Returns the address of the underlying asset of this aToken (E.g. WETH for aWETH) * @return The address of the underlying asset */ function UNDERLYING_ASSET_ADDRESS() external view returns (address); /** * @notice Returns the address of the Aave treasury, receiving the fees on this aToken. * @return Address of the Aave treasury */ function RESERVE_TREASURY_ADDRESS() external view returns (address); /** * @notice Get the domain separator for the token * @dev Return cached value if chainId matches cache, otherwise recomputes separator * @return The domain separator of the token at current chain */ function DOMAIN_SEPARATOR() external view returns (bytes32); /** * @notice Returns the nonce for owner. * @param owner The address of the owner * @return The nonce of the owner */ function nonces(address owner) external view returns (uint256); /** * @notice Rescue and transfer tokens locked in this contract * @param token The address of the token * @param to The address of the recipient * @param amount The amount of token to transfer */ function rescueTokens(address token, address to, uint256 amount) external; }
// SPDX-License-Identifier: AGPL-3.0 pragma solidity ^0.8.0; /** * @title IAaveIncentivesController * @author Aave * @notice Defines the basic interface for an Aave Incentives Controller. * @dev It only contains one single function, needed as a hook on aToken and debtToken transfers. */ interface IAaveIncentivesController { /** * @dev Called by the corresponding asset on transfer hook in order to update the rewards distribution. * @dev The units of `totalSupply` and `userBalance` should be the same. * @param user The address of the user whose asset balance has changed * @param totalSupply The total supply of the asset prior to user balance change * @param userBalance The previous user balance prior to balance change */ function handleAction(address user, uint256 totalSupply, uint256 userBalance) external; }
// SPDX-License-Identifier: AGPL-3.0 pragma solidity ^0.8.0; import {IPriceOracleGetter} from './IPriceOracleGetter.sol'; import {IPoolAddressesProvider} from './IPoolAddressesProvider.sol'; /** * @title IAaveOracle * @author Aave * @notice Defines the basic interface for the Aave Oracle */ interface IAaveOracle is IPriceOracleGetter { /** * @dev Emitted after the base currency is set * @param baseCurrency The base currency of used for price quotes * @param baseCurrencyUnit The unit of the base currency */ event BaseCurrencySet(address indexed baseCurrency, uint256 baseCurrencyUnit); /** * @dev Emitted after the price source of an asset is updated * @param asset The address of the asset * @param source The price source of the asset */ event AssetSourceUpdated(address indexed asset, address indexed source); /** * @dev Emitted after the address of fallback oracle is updated * @param fallbackOracle The address of the fallback oracle */ event FallbackOracleUpdated(address indexed fallbackOracle); /** * @notice Returns the PoolAddressesProvider * @return The address of the PoolAddressesProvider contract */ function ADDRESSES_PROVIDER() external view returns (IPoolAddressesProvider); /** * @notice Sets or replaces price sources of assets * @param assets The addresses of the assets * @param sources The addresses of the price sources */ function setAssetSources(address[] calldata assets, address[] calldata sources) external; /** * @notice Sets the fallback oracle * @param fallbackOracle The address of the fallback oracle */ function setFallbackOracle(address fallbackOracle) external; /** * @notice Returns a list of prices from a list of assets addresses * @param assets The list of assets addresses * @return The prices of the given assets */ function getAssetsPrices(address[] calldata assets) external view returns (uint256[] memory); /** * @notice Returns the address of the source for an asset address * @param asset The address of the asset * @return The address of the source */ function getSourceOfAsset(address asset) external view returns (address); /** * @notice Returns the address of the fallback oracle * @return The address of the fallback oracle */ function getFallbackOracle() external view returns (address); }
// SPDX-License-Identifier: AGPL-3.0 pragma solidity ^0.8.0; import {IReserveInterestRateStrategy} from './IReserveInterestRateStrategy.sol'; import {IPoolAddressesProvider} from './IPoolAddressesProvider.sol'; /** * @title IDefaultInterestRateStrategy * @author Aave * @notice Defines the basic interface of the DefaultReserveInterestRateStrategy */ interface IDefaultInterestRateStrategy is IReserveInterestRateStrategy { /** * @notice Returns the usage ratio at which the pool aims to obtain most competitive borrow rates. * @return The optimal usage ratio, expressed in ray. */ function OPTIMAL_USAGE_RATIO() external view returns (uint256); /** * @notice Returns the optimal stable to total debt ratio of the reserve. * @return The optimal stable to total debt ratio, expressed in ray. */ function OPTIMAL_STABLE_TO_TOTAL_DEBT_RATIO() external view returns (uint256); /** * @notice Returns the excess usage ratio above the optimal. * @dev It's always equal to 1-optimal usage ratio (added as constant for gas optimizations) * @return The max excess usage ratio, expressed in ray. */ function MAX_EXCESS_USAGE_RATIO() external view returns (uint256); /** * @notice Returns the excess stable debt ratio above the optimal. * @dev It's always equal to 1-optimal stable to total debt ratio (added as constant for gas optimizations) * @return The max excess stable to total debt ratio, expressed in ray. */ function MAX_EXCESS_STABLE_TO_TOTAL_DEBT_RATIO() external view returns (uint256); /** * @notice Returns the address of the PoolAddressesProvider * @return The address of the PoolAddressesProvider contract */ function ADDRESSES_PROVIDER() external view returns (IPoolAddressesProvider); /** * @notice Returns the variable rate slope below optimal usage ratio * @dev It's the variable rate when usage ratio > 0 and <= OPTIMAL_USAGE_RATIO * @return The variable rate slope, expressed in ray */ function getVariableRateSlope1() external view returns (uint256); /** * @notice Returns the variable rate slope above optimal usage ratio * @dev It's the variable rate when usage ratio > OPTIMAL_USAGE_RATIO * @return The variable rate slope, expressed in ray */ function getVariableRateSlope2() external view returns (uint256); /** * @notice Returns the stable rate slope below optimal usage ratio * @dev It's the stable rate when usage ratio > 0 and <= OPTIMAL_USAGE_RATIO * @return The stable rate slope, expressed in ray */ function getStableRateSlope1() external view returns (uint256); /** * @notice Returns the stable rate slope above optimal usage ratio * @dev It's the variable rate when usage ratio > OPTIMAL_USAGE_RATIO * @return The stable rate slope, expressed in ray */ function getStableRateSlope2() external view returns (uint256); /** * @notice Returns the stable rate excess offset * @dev It's an additional premium applied to the stable when stable debt > OPTIMAL_STABLE_TO_TOTAL_DEBT_RATIO * @return The stable rate excess offset, expressed in ray */ function getStableRateExcessOffset() external view returns (uint256); /** * @notice Returns the base stable borrow rate * @return The base stable borrow rate, expressed in ray */ function getBaseStableBorrowRate() external view returns (uint256); /** * @notice Returns the base variable borrow rate * @return The base variable borrow rate, expressed in ray */ function getBaseVariableBorrowRate() external view returns (uint256); /** * @notice Returns the maximum variable borrow rate * @return The maximum variable borrow rate, expressed in ray */ function getMaxVariableBorrowRate() external view returns (uint256); }
// SPDX-License-Identifier: AGPL-3.0 pragma solidity ^0.8.0; import {IAaveIncentivesController} from './IAaveIncentivesController.sol'; import {IPool} from './IPool.sol'; /** * @title IInitializableAToken * @author Aave * @notice Interface for the initialize function on AToken */ interface IInitializableAToken { /** * @dev Emitted when an aToken is initialized * @param underlyingAsset The address of the underlying asset * @param pool The address of the associated 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 ); /** * @notice Initializes the aToken * @param pool The pool contract that is initializing this contract * @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 * @param params A set of encoded parameters for additional initialization */ function initialize( IPool 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 ^0.8.0; import {IPoolAddressesProvider} from './IPoolAddressesProvider.sol'; import {DataTypes} from '../protocol/libraries/types/DataTypes.sol'; /** * @title IPool * @author Aave * @notice Defines the basic interface for an Aave Pool. */ interface IPool { /** * @dev Emitted on mintUnbacked() * @param reserve The address of the underlying asset of the reserve * @param user The address initiating the supply * @param onBehalfOf The beneficiary of the supplied assets, receiving the aTokens * @param amount The amount of supplied assets * @param referralCode The referral code used */ event MintUnbacked( address indexed reserve, address user, address indexed onBehalfOf, uint256 amount, uint16 indexed referralCode ); /** * @dev Emitted on backUnbacked() * @param reserve The address of the underlying asset of the reserve * @param backer The address paying for the backing * @param amount The amount added as backing * @param fee The amount paid in fees */ event BackUnbacked(address indexed reserve, address indexed backer, uint256 amount, uint256 fee); /** * @dev Emitted on supply() * @param reserve The address of the underlying asset of the reserve * @param user The address initiating the supply * @param onBehalfOf The beneficiary of the supply, receiving the aTokens * @param amount The amount supplied * @param referralCode The referral code used */ event Supply( address indexed reserve, address user, address indexed onBehalfOf, uint256 amount, uint16 indexed referralCode ); /** * @dev Emitted on withdraw() * @param reserve The address of the underlying asset being withdrawn * @param user The address initiating the withdrawal, owner of aTokens * @param to The 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 interestRateMode The rate mode: 1 for Stable, 2 for Variable * @param borrowRate The numeric rate at which the user has borrowed, expressed in ray * @param referralCode The referral code used */ event Borrow( address indexed reserve, address user, address indexed onBehalfOf, uint256 amount, DataTypes.InterestRateMode interestRateMode, uint256 borrowRate, uint16 indexed referralCode ); /** * @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 * @param useATokens True if the repayment is done using aTokens, `false` if done with underlying asset directly */ event Repay( address indexed reserve, address indexed user, address indexed repayer, uint256 amount, bool useATokens ); /** * @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 interestRateMode The current interest rate mode of the position being swapped: 1 for Stable, 2 for Variable */ event SwapBorrowRateMode( address indexed reserve, address indexed user, DataTypes.InterestRateMode interestRateMode ); /** * @dev Emitted on borrow(), repay() and liquidationCall() when using isolated assets * @param asset The address of the underlying asset of the reserve * @param totalDebt The total isolation mode debt for the reserve */ event IsolationModeTotalDebtUpdated(address indexed asset, uint256 totalDebt); /** * @dev Emitted when the user selects a certain asset category for eMode * @param user The address of the user * @param categoryId The category id */ event UserEModeSet(address indexed user, uint8 categoryId); /** * @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 interestRateMode The flashloan mode: 0 for regular flashloan, 1 for Stable debt, 2 for Variable debt * @param premium The fee flash borrowed * @param referralCode The referral code used */ event FlashLoan( address indexed target, address initiator, address indexed asset, uint256 amount, DataTypes.InterestRateMode interestRateMode, uint256 premium, uint16 indexed referralCode ); /** * @dev Emitted when a borrower is liquidated. * @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 liquidator * @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. * @param reserve The address of the underlying asset of the reserve * @param liquidityRate The next liquidity rate * @param stableBorrowRate The next stable borrow rate * @param variableBorrowRate The next variable borrow rate * @param liquidityIndex The next liquidity index * @param variableBorrowIndex The next variable borrow index */ event ReserveDataUpdated( address indexed reserve, uint256 liquidityRate, uint256 stableBorrowRate, uint256 variableBorrowRate, uint256 liquidityIndex, uint256 variableBorrowIndex ); /** * @dev Emitted when the protocol treasury receives minted aTokens from the accrued interest. * @param reserve The address of the reserve * @param amountMinted The amount minted to the treasury */ event MintedToTreasury(address indexed reserve, uint256 amountMinted); /** * @notice Mints an `amount` of aTokens to the `onBehalfOf` * @param asset The address of the underlying asset to mint * @param amount The amount to mint * @param onBehalfOf The address that will receive the aTokens * @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 mintUnbacked( address asset, uint256 amount, address onBehalfOf, uint16 referralCode ) external; /** * @notice Back the current unbacked underlying with `amount` and pay `fee`. * @param asset The address of the underlying asset to back * @param amount The amount to back * @param fee The amount paid in fees * @return The backed amount */ function backUnbacked(address asset, uint256 amount, uint256 fee) external returns (uint256); /** * @notice Supplies an `amount` of underlying asset into the reserve, receiving in return overlying aTokens. * - E.g. User supplies 100 USDC and gets in return 100 aUSDC * @param asset The address of the underlying asset to supply * @param amount The amount to be supplied * @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 supply(address asset, uint256 amount, address onBehalfOf, uint16 referralCode) external; /** * @notice Supply with transfer approval of asset to be supplied done via permit function * see: https://eips.ethereum.org/EIPS/eip-2612 and https://eips.ethereum.org/EIPS/eip-713 * @param asset The address of the underlying asset to supply * @param amount The amount to be supplied * @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 deadline The deadline timestamp that the permit is valid * @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 permitV The V parameter of ERC712 permit sig * @param permitR The R parameter of ERC712 permit sig * @param permitS The S parameter of ERC712 permit sig */ function supplyWithPermit( address asset, uint256 amount, address onBehalfOf, uint16 referralCode, uint256 deadline, uint8 permitV, bytes32 permitR, bytes32 permitS ) external; /** * @notice 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 The 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); /** * @notice Allows users to borrow a specific `amount` of the reserve underlying asset, provided that the borrower * already supplied 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 The 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 The 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 interestRateMode The interest rate mode at of the debt the user wants to repay: 1 for Stable, 2 for Variable * @param onBehalfOf The 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 interestRateMode, address onBehalfOf ) external returns (uint256); /** * @notice Repay with transfer approval of asset to be repaid done via permit function * see: https://eips.ethereum.org/EIPS/eip-2612 and https://eips.ethereum.org/EIPS/eip-713 * @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 interestRateMode 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 * @param deadline The deadline timestamp that the permit is valid * @param permitV The V parameter of ERC712 permit sig * @param permitR The R parameter of ERC712 permit sig * @param permitS The S parameter of ERC712 permit sig * @return The final amount repaid */ function repayWithPermit( address asset, uint256 amount, uint256 interestRateMode, address onBehalfOf, uint256 deadline, uint8 permitV, bytes32 permitR, bytes32 permitS ) external returns (uint256); /** * @notice Repays a borrowed `amount` on a specific reserve using the reserve aTokens, burning the * equivalent debt tokens * - E.g. User repays 100 USDC using 100 aUSDC, burning 100 variable/stable debt tokens * @dev Passing uint256.max as amount will clean up any residual aToken dust balance, if the user aToken * balance is not enough to cover the whole debt * @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 interestRateMode The interest rate mode at of the debt the user wants to repay: 1 for Stable, 2 for Variable * @return The final amount repaid */ function repayWithATokens( address asset, uint256 amount, uint256 interestRateMode ) external returns (uint256); /** * @notice Allows a borrower to swap his debt between stable and variable mode, or vice versa * @param asset The address of the underlying asset borrowed * @param interestRateMode The current interest rate mode of the position being swapped: 1 for Stable, 2 for Variable */ function swapBorrowRateMode(address asset, uint256 interestRateMode) external; /** * @notice 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 supply APY is below REBALANCE_UP_THRESHOLD * maxVariableBorrowRate, which means that too * much has been borrowed at a stable rate and suppliers 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; /** * @notice Allows suppliers to enable/disable a specific supplied asset as collateral * @param asset The address of the underlying asset supplied * @param useAsCollateral True if the user wants to use the supply as collateral, false otherwise */ function setUserUseReserveAsCollateral(address asset, bool useAsCollateral) external; /** * @notice 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; /** * @notice Allows smartcontracts to access the liquidity of the pool within one transaction, * as long as the amount taken plus a fee is returned. * @dev IMPORTANT There are security concerns for developers of flashloan receiver contracts that must be kept * into consideration. For further details please visit https://docs.aave.com/developers/ * @param receiverAddress The address of the contract receiving the funds, implementing IFlashLoanReceiver interface * @param assets The addresses of the assets being flash-borrowed * @param amounts The amounts of the assets being flash-borrowed * @param interestRateModes 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 The 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 interestRateModes, address onBehalfOf, bytes calldata params, uint16 referralCode ) external; /** * @notice Allows smartcontracts to access the liquidity of the pool within one transaction, * as long as the amount taken plus a fee is returned. * @dev IMPORTANT There are security concerns for developers of flashloan receiver contracts that must be kept * into consideration. For further details please visit https://docs.aave.com/developers/ * @param receiverAddress The address of the contract receiving the funds, implementing IFlashLoanSimpleReceiver interface * @param asset The address of the asset being flash-borrowed * @param amount The amount of the asset being flash-borrowed * @param params Variadic packed params to pass to the receiver as extra information * @param referralCode The 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 flashLoanSimple( address receiverAddress, address asset, uint256 amount, bytes calldata params, uint16 referralCode ) external; /** * @notice Returns the user account data across all the reserves * @param user The address of the user * @return totalCollateralBase The total collateral of the user in the base currency used by the price feed * @return totalDebtBase The total debt of the user in the base currency used by the price feed * @return availableBorrowsBase The borrowing power left of the user in the base currency used by the price feed * @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 totalCollateralBase, uint256 totalDebtBase, uint256 availableBorrowsBase, uint256 currentLiquidationThreshold, uint256 ltv, uint256 healthFactor ); /** * @notice Initializes a reserve, activating it, assigning an aToken and debt tokens and an * interest rate strategy * @dev Only callable by the PoolConfigurator contract * @param asset The address of the underlying asset of the reserve * @param aTokenAddress The address of the aToken that will be assigned to the reserve * @param stableDebtAddress The address of the StableDebtToken that will be assigned to the reserve * @param variableDebtAddress The address of the VariableDebtToken that will be assigned to the reserve * @param interestRateStrategyAddress The address of the interest rate strategy contract */ function initReserve( address asset, address aTokenAddress, address stableDebtAddress, address variableDebtAddress, address interestRateStrategyAddress ) external; /** * @notice Drop a reserve * @dev Only callable by the PoolConfigurator contract * @param asset The address of the underlying asset of the reserve */ function dropReserve(address asset) external; /** * @notice Updates the address of the interest rate strategy contract * @dev Only callable by the PoolConfigurator contract * @param asset The address of the underlying asset of the reserve * @param rateStrategyAddress The address of the interest rate strategy contract */ function setReserveInterestRateStrategyAddress( address asset, address rateStrategyAddress ) external; /** * @notice Sets the configuration bitmap of the reserve as a whole * @dev Only callable by the PoolConfigurator contract * @param asset The address of the underlying asset of the reserve * @param configuration The new configuration bitmap */ function setConfiguration( address asset, DataTypes.ReserveConfigurationMap calldata configuration ) external; /** * @notice 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); /** * @notice 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); /** * @notice Returns the 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); /** * @notice Returns the normalized variable debt per unit of asset * @dev WARNING: This function is intended to be used primarily by the protocol itself to get a * "dynamic" variable index based on time, current stored index and virtual rate at the current * moment (approx. a borrower would get if opening a position). This means that is always used in * combination with variable debt supply/balances. * If using this function externally, consider that is possible to have an increasing normalized * variable debt that is not equivalent to how the variable debt index would be updated in storage * (e.g. only updates with non-zero variable debt supply) * @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); /** * @notice Returns the state and configuration of the reserve * @param asset The address of the underlying asset of the reserve * @return The state and configuration data of the reserve */ function getReserveData(address asset) external view returns (DataTypes.ReserveData memory); /** * @notice Validates and finalizes an aToken transfer * @dev Only callable by the overlying aToken of the `asset` * @param asset The address of the underlying asset of the aToken * @param from The user from which the aTokens are transferred * @param to The user receiving the aTokens * @param amount The amount being transferred/withdrawn * @param balanceFromBefore The aToken balance of the `from` user before the transfer * @param balanceToBefore The aToken balance of the `to` user before the transfer */ function finalizeTransfer( address asset, address from, address to, uint256 amount, uint256 balanceFromBefore, uint256 balanceToBefore ) external; /** * @notice Returns the list of the underlying assets of all the initialized reserves * @dev It does not include dropped reserves * @return The addresses of the underlying assets of the initialized reserves */ function getReservesList() external view returns (address[] memory); /** * @notice Returns the address of the underlying asset of a reserve by the reserve id as stored in the DataTypes.ReserveData struct * @param id The id of the reserve as stored in the DataTypes.ReserveData struct * @return The address of the reserve associated with id */ function getReserveAddressById(uint16 id) external view returns (address); /** * @notice Returns the PoolAddressesProvider connected to this contract * @return The address of the PoolAddressesProvider */ function ADDRESSES_PROVIDER() external view returns (IPoolAddressesProvider); /** * @notice Updates the protocol fee on the bridging * @param bridgeProtocolFee The part of the premium sent to the protocol treasury */ function updateBridgeProtocolFee(uint256 bridgeProtocolFee) external; /** * @notice Updates flash loan premiums. Flash loan premium consists of two parts: * - A part is sent to aToken holders as extra, one time accumulated interest * - A part is collected by the protocol treasury * @dev The total premium is calculated on the total borrowed amount * @dev The premium to protocol is calculated on the total premium, being a percentage of `flashLoanPremiumTotal` * @dev Only callable by the PoolConfigurator contract * @param flashLoanPremiumTotal The total premium, expressed in bps * @param flashLoanPremiumToProtocol The part of the premium sent to the protocol treasury, expressed in bps */ function updateFlashloanPremiums( uint128 flashLoanPremiumTotal, uint128 flashLoanPremiumToProtocol ) external; /** * @notice Configures a new category for the eMode. * @dev In eMode, the protocol allows very high borrowing power to borrow assets of the same category. * The category 0 is reserved as it's the default for volatile assets * @param id The id of the category * @param config The configuration of the category */ function configureEModeCategory(uint8 id, DataTypes.EModeCategory memory config) external; /** * @notice Returns the data of an eMode category * @param id The id of the category * @return The configuration data of the category */ function getEModeCategoryData(uint8 id) external view returns (DataTypes.EModeCategory memory); /** * @notice Allows a user to use the protocol in eMode * @param categoryId The id of the category */ function setUserEMode(uint8 categoryId) external; /** * @notice Returns the eMode the user is using * @param user The address of the user * @return The eMode id */ function getUserEMode(address user) external view returns (uint256); /** * @notice Resets the isolation mode total debt of the given asset to zero * @dev It requires the given asset has zero debt ceiling * @param asset The address of the underlying asset to reset the isolationModeTotalDebt */ function resetIsolationModeTotalDebt(address asset) external; /** * @notice Returns the percentage of available liquidity that can be borrowed at once at stable rate * @return The percentage of available liquidity to borrow, expressed in bps */ function MAX_STABLE_RATE_BORROW_SIZE_PERCENT() external view returns (uint256); /** * @notice Returns the total fee on flash loans * @return The total fee on flashloans */ function FLASHLOAN_PREMIUM_TOTAL() external view returns (uint128); /** * @notice Returns the part of the bridge fees sent to protocol * @return The bridge fee sent to the protocol treasury */ function BRIDGE_PROTOCOL_FEE() external view returns (uint256); /** * @notice Returns the part of the flashloan fees sent to protocol * @return The flashloan fee sent to the protocol treasury */ function FLASHLOAN_PREMIUM_TO_PROTOCOL() external view returns (uint128); /** * @notice Returns the maximum number of reserves supported to be listed in this Pool * @return The maximum number of reserves supported */ function MAX_NUMBER_RESERVES() external view returns (uint16); /** * @notice Mints the assets accrued through the reserve factor to the treasury in the form of aTokens * @param assets The list of reserves for which the minting needs to be executed */ function mintToTreasury(address[] calldata assets) external; /** * @notice Rescue and transfer tokens locked in this contract * @param token The address of the token * @param to The address of the recipient * @param amount The amount of token to transfer */ function rescueTokens(address token, address to, uint256 amount) external; /** * @notice Supplies an `amount` of underlying asset into the reserve, receiving in return overlying aTokens. * - E.g. User supplies 100 USDC and gets in return 100 aUSDC * @dev Deprecated: Use the `supply` function instead * @param asset The address of the underlying asset to supply * @param amount The amount to be supplied * @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; }
// SPDX-License-Identifier: AGPL-3.0 pragma solidity ^0.8.0; /** * @title IPoolAddressesProvider * @author Aave * @notice Defines the basic interface for a Pool Addresses Provider. */ interface IPoolAddressesProvider { /** * @dev Emitted when the market identifier is updated. * @param oldMarketId The old id of the market * @param newMarketId The new id of the market */ event MarketIdSet(string indexed oldMarketId, string indexed newMarketId); /** * @dev Emitted when the pool is updated. * @param oldAddress The old address of the Pool * @param newAddress The new address of the Pool */ event PoolUpdated(address indexed oldAddress, address indexed newAddress); /** * @dev Emitted when the pool configurator is updated. * @param oldAddress The old address of the PoolConfigurator * @param newAddress The new address of the PoolConfigurator */ event PoolConfiguratorUpdated(address indexed oldAddress, address indexed newAddress); /** * @dev Emitted when the price oracle is updated. * @param oldAddress The old address of the PriceOracle * @param newAddress The new address of the PriceOracle */ event PriceOracleUpdated(address indexed oldAddress, address indexed newAddress); /** * @dev Emitted when the ACL manager is updated. * @param oldAddress The old address of the ACLManager * @param newAddress The new address of the ACLManager */ event ACLManagerUpdated(address indexed oldAddress, address indexed newAddress); /** * @dev Emitted when the ACL admin is updated. * @param oldAddress The old address of the ACLAdmin * @param newAddress The new address of the ACLAdmin */ event ACLAdminUpdated(address indexed oldAddress, address indexed newAddress); /** * @dev Emitted when the price oracle sentinel is updated. * @param oldAddress The old address of the PriceOracleSentinel * @param newAddress The new address of the PriceOracleSentinel */ event PriceOracleSentinelUpdated(address indexed oldAddress, address indexed newAddress); /** * @dev Emitted when the pool data provider is updated. * @param oldAddress The old address of the PoolDataProvider * @param newAddress The new address of the PoolDataProvider */ event PoolDataProviderUpdated(address indexed oldAddress, address indexed newAddress); /** * @dev Emitted when a new proxy is created. * @param id The identifier of the proxy * @param proxyAddress The address of the created proxy contract * @param implementationAddress The address of the implementation contract */ event ProxyCreated( bytes32 indexed id, address indexed proxyAddress, address indexed implementationAddress ); /** * @dev Emitted when a new non-proxied contract address is registered. * @param id The identifier of the contract * @param oldAddress The address of the old contract * @param newAddress The address of the new contract */ event AddressSet(bytes32 indexed id, address indexed oldAddress, address indexed newAddress); /** * @dev Emitted when the implementation of the proxy registered with id is updated * @param id The identifier of the contract * @param proxyAddress The address of the proxy contract * @param oldImplementationAddress The address of the old implementation contract * @param newImplementationAddress The address of the new implementation contract */ event AddressSetAsProxy( bytes32 indexed id, address indexed proxyAddress, address oldImplementationAddress, address indexed newImplementationAddress ); /** * @notice Returns the id of the Aave market to which this contract points to. * @return The market id */ function getMarketId() external view returns (string memory); /** * @notice Associates an id with a specific PoolAddressesProvider. * @dev This can be used to create an onchain registry of PoolAddressesProviders to * identify and validate multiple Aave markets. * @param newMarketId The market id */ function setMarketId(string calldata newMarketId) external; /** * @notice Returns an address by its identifier. * @dev The returned address might be an EOA or a contract, potentially proxied * @dev It returns ZERO if there is no registered address with the given id * @param id The id * @return The address of the registered for the specified id */ function getAddress(bytes32 id) external view returns (address); /** * @notice General function to update the implementation of a proxy registered with * certain `id`. If there is no proxy registered, it will instantiate one and * set as implementation the `newImplementationAddress`. * @dev IMPORTANT Use this function carefully, only for ids that don't have an explicit * setter function, in order to avoid unexpected consequences * @param id The id * @param newImplementationAddress The address of the new implementation */ function setAddressAsProxy(bytes32 id, address newImplementationAddress) external; /** * @notice Sets an address for an id replacing the address saved in the addresses map. * @dev IMPORTANT Use this function carefully, as it will do a hard replacement * @param id The id * @param newAddress The address to set */ function setAddress(bytes32 id, address newAddress) external; /** * @notice Returns the address of the Pool proxy. * @return The Pool proxy address */ function getPool() external view returns (address); /** * @notice Updates the implementation of the Pool, or creates a proxy * setting the new `pool` implementation when the function is called for the first time. * @param newPoolImpl The new Pool implementation */ function setPoolImpl(address newPoolImpl) external; /** * @notice Returns the address of the PoolConfigurator proxy. * @return The PoolConfigurator proxy address */ function getPoolConfigurator() external view returns (address); /** * @notice Updates the implementation of the PoolConfigurator, or creates a proxy * setting the new `PoolConfigurator` implementation when the function is called for the first time. * @param newPoolConfiguratorImpl The new PoolConfigurator implementation */ function setPoolConfiguratorImpl(address newPoolConfiguratorImpl) external; /** * @notice Returns the address of the price oracle. * @return The address of the PriceOracle */ function getPriceOracle() external view returns (address); /** * @notice Updates the address of the price oracle. * @param newPriceOracle The address of the new PriceOracle */ function setPriceOracle(address newPriceOracle) external; /** * @notice Returns the address of the ACL manager. * @return The address of the ACLManager */ function getACLManager() external view returns (address); /** * @notice Updates the address of the ACL manager. * @param newAclManager The address of the new ACLManager */ function setACLManager(address newAclManager) external; /** * @notice Returns the address of the ACL admin. * @return The address of the ACL admin */ function getACLAdmin() external view returns (address); /** * @notice Updates the address of the ACL admin. * @param newAclAdmin The address of the new ACL admin */ function setACLAdmin(address newAclAdmin) external; /** * @notice Returns the address of the price oracle sentinel. * @return The address of the PriceOracleSentinel */ function getPriceOracleSentinel() external view returns (address); /** * @notice Updates the address of the price oracle sentinel. * @param newPriceOracleSentinel The address of the new PriceOracleSentinel */ function setPriceOracleSentinel(address newPriceOracleSentinel) external; /** * @notice Returns the address of the data provider. * @return The address of the DataProvider */ function getPoolDataProvider() external view returns (address); /** * @notice Updates the address of the data provider. * @param newDataProvider The address of the new DataProvider */ function setPoolDataProvider(address newDataProvider) external; }
// SPDX-License-Identifier: AGPL-3.0 pragma solidity ^0.8.0; import {ConfiguratorInputTypes} from '../protocol/libraries/types/ConfiguratorInputTypes.sol'; /** * @title IPoolConfigurator * @author Aave * @notice Defines the basic interface for a Pool configurator. */ interface IPoolConfigurator { /** * @dev Emitted when a reserve is initialized. * @param asset The address of the underlying asset of the reserve * @param aToken The address of the associated aToken contract * @param stableDebtToken The address of the associated stable rate debt token * @param variableDebtToken The address of the associated variable rate debt token * @param interestRateStrategyAddress The address of the interest rate strategy for the reserve */ event ReserveInitialized( address indexed asset, address indexed aToken, address stableDebtToken, address variableDebtToken, address interestRateStrategyAddress ); /** * @dev Emitted when borrowing is enabled or disabled on a reserve. * @param asset The address of the underlying asset of the reserve * @param enabled True if borrowing is enabled, false otherwise */ event ReserveBorrowing(address indexed asset, bool enabled); /** * @dev Emitted when flashloans are enabled or disabled on a reserve. * @param asset The address of the underlying asset of the reserve * @param enabled True if flashloans are enabled, false otherwise */ event ReserveFlashLoaning(address indexed asset, bool enabled); /** * @dev Emitted when the collateralization risk parameters for the specified asset are updated. * @param asset The address of the underlying asset of the reserve * @param ltv The loan to value of the asset when used as collateral * @param liquidationThreshold The threshold at which loans using this asset as collateral will be considered undercollateralized * @param liquidationBonus The bonus liquidators receive to liquidate this asset */ event CollateralConfigurationChanged( address indexed asset, uint256 ltv, uint256 liquidationThreshold, uint256 liquidationBonus ); /** * @dev Emitted when stable rate borrowing is enabled or disabled on a reserve * @param asset The address of the underlying asset of the reserve * @param enabled True if stable rate borrowing is enabled, false otherwise */ event ReserveStableRateBorrowing(address indexed asset, bool enabled); /** * @dev Emitted when a reserve is activated or deactivated * @param asset The address of the underlying asset of the reserve * @param active True if reserve is active, false otherwise */ event ReserveActive(address indexed asset, bool active); /** * @dev Emitted when a reserve is frozen or unfrozen * @param asset The address of the underlying asset of the reserve * @param frozen True if reserve is frozen, false otherwise */ event ReserveFrozen(address indexed asset, bool frozen); /** * @dev Emitted when a reserve is paused or unpaused * @param asset The address of the underlying asset of the reserve * @param paused True if reserve is paused, false otherwise */ event ReservePaused(address indexed asset, bool paused); /** * @dev Emitted when a reserve is dropped. * @param asset The address of the underlying asset of the reserve */ event ReserveDropped(address indexed asset); /** * @dev Emitted when a reserve factor is updated. * @param asset The address of the underlying asset of the reserve * @param oldReserveFactor The old reserve factor, expressed in bps * @param newReserveFactor The new reserve factor, expressed in bps */ event ReserveFactorChanged( address indexed asset, uint256 oldReserveFactor, uint256 newReserveFactor ); /** * @dev Emitted when the borrow cap of a reserve is updated. * @param asset The address of the underlying asset of the reserve * @param oldBorrowCap The old borrow cap * @param newBorrowCap The new borrow cap */ event BorrowCapChanged(address indexed asset, uint256 oldBorrowCap, uint256 newBorrowCap); /** * @dev Emitted when the supply cap of a reserve is updated. * @param asset The address of the underlying asset of the reserve * @param oldSupplyCap The old supply cap * @param newSupplyCap The new supply cap */ event SupplyCapChanged(address indexed asset, uint256 oldSupplyCap, uint256 newSupplyCap); /** * @dev Emitted when the liquidation protocol fee of a reserve is updated. * @param asset The address of the underlying asset of the reserve * @param oldFee The old liquidation protocol fee, expressed in bps * @param newFee The new liquidation protocol fee, expressed in bps */ event LiquidationProtocolFeeChanged(address indexed asset, uint256 oldFee, uint256 newFee); /** * @dev Emitted when the unbacked mint cap of a reserve is updated. * @param asset The address of the underlying asset of the reserve * @param oldUnbackedMintCap The old unbacked mint cap * @param newUnbackedMintCap The new unbacked mint cap */ event UnbackedMintCapChanged( address indexed asset, uint256 oldUnbackedMintCap, uint256 newUnbackedMintCap ); /** * @dev Emitted when the category of an asset in eMode is changed. * @param asset The address of the underlying asset of the reserve * @param oldCategoryId The old eMode asset category * @param newCategoryId The new eMode asset category */ event EModeAssetCategoryChanged(address indexed asset, uint8 oldCategoryId, uint8 newCategoryId); /** * @dev Emitted when a new eMode category is added. * @param categoryId The new eMode category id * @param ltv The ltv for the asset category in eMode * @param liquidationThreshold The liquidationThreshold for the asset category in eMode * @param liquidationBonus The liquidationBonus for the asset category in eMode * @param oracle The optional address of the price oracle specific for this category * @param label A human readable identifier for the category */ event EModeCategoryAdded( uint8 indexed categoryId, uint256 ltv, uint256 liquidationThreshold, uint256 liquidationBonus, address oracle, string label ); /** * @dev Emitted when a reserve interest strategy contract is updated. * @param asset The address of the underlying asset of the reserve * @param oldStrategy The address of the old interest strategy contract * @param newStrategy The address of the new interest strategy contract */ event ReserveInterestRateStrategyChanged( address indexed asset, address oldStrategy, address newStrategy ); /** * @dev Emitted when an aToken implementation is upgraded. * @param asset The address of the underlying asset of the reserve * @param proxy The aToken proxy address * @param implementation The new aToken implementation */ event ATokenUpgraded( address indexed asset, address indexed proxy, address indexed implementation ); /** * @dev Emitted when the implementation of a stable debt token is upgraded. * @param asset The address of the underlying asset of the reserve * @param proxy The stable debt token proxy address * @param implementation The new aToken implementation */ event StableDebtTokenUpgraded( address indexed asset, address indexed proxy, address indexed implementation ); /** * @dev Emitted when the implementation of a variable debt token is upgraded. * @param asset The address of the underlying asset of the reserve * @param proxy The variable debt token proxy address * @param implementation The new aToken implementation */ event VariableDebtTokenUpgraded( address indexed asset, address indexed proxy, address indexed implementation ); /** * @dev Emitted when the debt ceiling of an asset is set. * @param asset The address of the underlying asset of the reserve * @param oldDebtCeiling The old debt ceiling * @param newDebtCeiling The new debt ceiling */ event DebtCeilingChanged(address indexed asset, uint256 oldDebtCeiling, uint256 newDebtCeiling); /** * @dev Emitted when the the siloed borrowing state for an asset is changed. * @param asset The address of the underlying asset of the reserve * @param oldState The old siloed borrowing state * @param newState The new siloed borrowing state */ event SiloedBorrowingChanged(address indexed asset, bool oldState, bool newState); /** * @dev Emitted when the bridge protocol fee is updated. * @param oldBridgeProtocolFee The old protocol fee, expressed in bps * @param newBridgeProtocolFee The new protocol fee, expressed in bps */ event BridgeProtocolFeeUpdated(uint256 oldBridgeProtocolFee, uint256 newBridgeProtocolFee); /** * @dev Emitted when the total premium on flashloans is updated. * @param oldFlashloanPremiumTotal The old premium, expressed in bps * @param newFlashloanPremiumTotal The new premium, expressed in bps */ event FlashloanPremiumTotalUpdated( uint128 oldFlashloanPremiumTotal, uint128 newFlashloanPremiumTotal ); /** * @dev Emitted when the part of the premium that goes to protocol is updated. * @param oldFlashloanPremiumToProtocol The old premium, expressed in bps * @param newFlashloanPremiumToProtocol The new premium, expressed in bps */ event FlashloanPremiumToProtocolUpdated( uint128 oldFlashloanPremiumToProtocol, uint128 newFlashloanPremiumToProtocol ); /** * @dev Emitted when the reserve is set as borrowable/non borrowable in isolation mode. * @param asset The address of the underlying asset of the reserve * @param borrowable True if the reserve is borrowable in isolation, false otherwise */ event BorrowableInIsolationChanged(address asset, bool borrowable); /** * @notice Initializes multiple reserves. * @param input The array of initialization parameters */ function initReserves(ConfiguratorInputTypes.InitReserveInput[] calldata input) external; /** * @dev Updates the aToken implementation for the reserve. * @param input The aToken update parameters */ function updateAToken(ConfiguratorInputTypes.UpdateATokenInput calldata input) external; /** * @notice Updates the stable debt token implementation for the reserve. * @param input The stableDebtToken update parameters */ function updateStableDebtToken( ConfiguratorInputTypes.UpdateDebtTokenInput calldata input ) external; /** * @notice Updates the variable debt token implementation for the asset. * @param input The variableDebtToken update parameters */ function updateVariableDebtToken( ConfiguratorInputTypes.UpdateDebtTokenInput calldata input ) external; /** * @notice Configures borrowing on a reserve. * @dev Can only be disabled (set to false) if stable borrowing is disabled * @param asset The address of the underlying asset of the reserve * @param enabled True if borrowing needs to be enabled, false otherwise */ function setReserveBorrowing(address asset, bool enabled) external; /** * @notice Configures the reserve collateralization parameters. * @dev All the values are expressed in bps. A value of 10000, results in 100.00% * @dev The `liquidationBonus` is always above 100%. A value of 105% means the liquidator will receive a 5% bonus * @param asset The address of the underlying asset of the reserve * @param ltv The loan to value of the asset when used as collateral * @param liquidationThreshold The threshold at which loans using this asset as collateral will be considered undercollateralized * @param liquidationBonus The bonus liquidators receive to liquidate this asset */ function configureReserveAsCollateral( address asset, uint256 ltv, uint256 liquidationThreshold, uint256 liquidationBonus ) external; /** * @notice Enable or disable stable rate borrowing on a reserve. * @dev Can only be enabled (set to true) if borrowing is enabled * @param asset The address of the underlying asset of the reserve * @param enabled True if stable rate borrowing needs to be enabled, false otherwise */ function setReserveStableRateBorrowing(address asset, bool enabled) external; /** * @notice Enable or disable flashloans on a reserve * @param asset The address of the underlying asset of the reserve * @param enabled True if flashloans need to be enabled, false otherwise */ function setReserveFlashLoaning(address asset, bool enabled) external; /** * @notice Activate or deactivate a reserve * @param asset The address of the underlying asset of the reserve * @param active True if the reserve needs to be active, false otherwise */ function setReserveActive(address asset, bool active) external; /** * @notice Freeze or unfreeze a reserve. A frozen reserve doesn't allow any new supply, borrow * or rate swap but allows repayments, liquidations, rate rebalances and withdrawals. * @param asset The address of the underlying asset of the reserve * @param freeze True if the reserve needs to be frozen, false otherwise */ function setReserveFreeze(address asset, bool freeze) external; /** * @notice Sets the borrowable in isolation flag for the reserve. * @dev When this flag is set to true, the asset will be borrowable against isolated collaterals and the * borrowed amount will be accumulated in the isolated collateral's total debt exposure * @dev Only assets of the same family (e.g. USD stablecoins) should be borrowable in isolation mode to keep * consistency in the debt ceiling calculations * @param asset The address of the underlying asset of the reserve * @param borrowable True if the asset should be borrowable in isolation, false otherwise */ function setBorrowableInIsolation(address asset, bool borrowable) external; /** * @notice Pauses a reserve. A paused reserve does not allow any interaction (supply, borrow, repay, * swap interest rate, liquidate, atoken transfers). * @param asset The address of the underlying asset of the reserve * @param paused True if pausing the reserve, false if unpausing */ function setReservePause(address asset, bool paused) external; /** * @notice Updates the reserve factor of a reserve. * @param asset The address of the underlying asset of the reserve * @param newReserveFactor The new reserve factor of the reserve */ function setReserveFactor(address asset, uint256 newReserveFactor) external; /** * @notice Sets the interest rate strategy of a reserve. * @param asset The address of the underlying asset of the reserve * @param newRateStrategyAddress The address of the new interest strategy contract */ function setReserveInterestRateStrategyAddress( address asset, address newRateStrategyAddress ) external; /** * @notice Pauses or unpauses all the protocol reserves. In the paused state all the protocol interactions * are suspended. * @param paused True if protocol needs to be paused, false otherwise */ function setPoolPause(bool paused) external; /** * @notice Updates the borrow cap of a reserve. * @param asset The address of the underlying asset of the reserve * @param newBorrowCap The new borrow cap of the reserve */ function setBorrowCap(address asset, uint256 newBorrowCap) external; /** * @notice Updates the supply cap of a reserve. * @param asset The address of the underlying asset of the reserve * @param newSupplyCap The new supply cap of the reserve */ function setSupplyCap(address asset, uint256 newSupplyCap) external; /** * @notice Updates the liquidation protocol fee of reserve. * @param asset The address of the underlying asset of the reserve * @param newFee The new liquidation protocol fee of the reserve, expressed in bps */ function setLiquidationProtocolFee(address asset, uint256 newFee) external; /** * @notice Updates the unbacked mint cap of reserve. * @param asset The address of the underlying asset of the reserve * @param newUnbackedMintCap The new unbacked mint cap of the reserve */ function setUnbackedMintCap(address asset, uint256 newUnbackedMintCap) external; /** * @notice Assign an efficiency mode (eMode) category to asset. * @param asset The address of the underlying asset of the reserve * @param newCategoryId The new category id of the asset */ function setAssetEModeCategory(address asset, uint8 newCategoryId) external; /** * @notice Adds a new efficiency mode (eMode) category. * @dev If zero is provided as oracle address, the default asset oracles will be used to compute the overall debt and * overcollateralization of the users using this category. * @dev The new ltv and liquidation threshold must be greater than the base * ltvs and liquidation thresholds of all assets within the eMode category * @param categoryId The id of the category to be configured * @param ltv The ltv associated with the category * @param liquidationThreshold The liquidation threshold associated with the category * @param liquidationBonus The liquidation bonus associated with the category * @param oracle The oracle associated with the category * @param label A label identifying the category */ function setEModeCategory( uint8 categoryId, uint16 ltv, uint16 liquidationThreshold, uint16 liquidationBonus, address oracle, string calldata label ) external; /** * @notice Drops a reserve entirely. * @param asset The address of the reserve to drop */ function dropReserve(address asset) external; /** * @notice Updates the bridge fee collected by the protocol reserves. * @param newBridgeProtocolFee The part of the fee sent to the protocol treasury, expressed in bps */ function updateBridgeProtocolFee(uint256 newBridgeProtocolFee) external; /** * @notice Updates the total flash loan premium. * Total flash loan premium consists of two parts: * - A part is sent to aToken holders as extra balance * - A part is collected by the protocol reserves * @dev Expressed in bps * @dev The premium is calculated on the total amount borrowed * @param newFlashloanPremiumTotal The total flashloan premium */ function updateFlashloanPremiumTotal(uint128 newFlashloanPremiumTotal) external; /** * @notice Updates the flash loan premium collected by protocol reserves * @dev Expressed in bps * @dev The premium to protocol is calculated on the total flashloan premium * @param newFlashloanPremiumToProtocol The part of the flashloan premium sent to the protocol treasury */ function updateFlashloanPremiumToProtocol(uint128 newFlashloanPremiumToProtocol) external; /** * @notice Sets the debt ceiling for an asset. * @param newDebtCeiling The new debt ceiling */ function setDebtCeiling(address asset, uint256 newDebtCeiling) external; /** * @notice Sets siloed borrowing for an asset * @param siloed The new siloed borrowing state */ function setSiloedBorrowing(address asset, bool siloed) external; }
// SPDX-License-Identifier: AGPL-3.0 pragma solidity ^0.8.0; import {IPoolAddressesProvider} from './IPoolAddressesProvider.sol'; /** * @title IPoolDataProvider * @author Aave * @notice Defines the basic interface of a PoolDataProvider */ interface IPoolDataProvider { struct TokenData { string symbol; address tokenAddress; } /** * @notice Returns the address for the PoolAddressesProvider contract. * @return The address for the PoolAddressesProvider contract */ function ADDRESSES_PROVIDER() external view returns (IPoolAddressesProvider); /** * @notice Returns the list of the existing reserves in the pool. * @dev Handling MKR and ETH in a different way since they do not have standard `symbol` functions. * @return The list of reserves, pairs of symbols and addresses */ function getAllReservesTokens() external view returns (TokenData[] memory); /** * @notice Returns the list of the existing ATokens in the pool. * @return The list of ATokens, pairs of symbols and addresses */ function getAllATokens() external view returns (TokenData[] memory); /** * @notice Returns the configuration data of the reserve * @dev Not returning borrow and supply caps for compatibility, nor pause flag * @param asset The address of the underlying asset of the reserve * @return decimals The number of decimals of the reserve * @return ltv The ltv of the reserve * @return liquidationThreshold The liquidationThreshold of the reserve * @return liquidationBonus The liquidationBonus of the reserve * @return reserveFactor The reserveFactor of the reserve * @return usageAsCollateralEnabled True if the usage as collateral is enabled, false otherwise * @return borrowingEnabled True if borrowing is enabled, false otherwise * @return stableBorrowRateEnabled True if stable rate borrowing is enabled, false otherwise * @return isActive True if it is active, false otherwise * @return isFrozen True if it is frozen, false otherwise */ function getReserveConfigurationData( address asset ) external view returns ( uint256 decimals, uint256 ltv, uint256 liquidationThreshold, uint256 liquidationBonus, uint256 reserveFactor, bool usageAsCollateralEnabled, bool borrowingEnabled, bool stableBorrowRateEnabled, bool isActive, bool isFrozen ); /** * @notice Returns the efficiency mode category of the reserve * @param asset The address of the underlying asset of the reserve * @return The eMode id of the reserve */ function getReserveEModeCategory(address asset) external view returns (uint256); /** * @notice Returns the caps parameters of the reserve * @param asset The address of the underlying asset of the reserve * @return borrowCap The borrow cap of the reserve * @return supplyCap The supply cap of the reserve */ function getReserveCaps( address asset ) external view returns (uint256 borrowCap, uint256 supplyCap); /** * @notice Returns if the pool is paused * @param asset The address of the underlying asset of the reserve * @return isPaused True if the pool is paused, false otherwise */ function getPaused(address asset) external view returns (bool isPaused); /** * @notice Returns the siloed borrowing flag * @param asset The address of the underlying asset of the reserve * @return True if the asset is siloed for borrowing */ function getSiloedBorrowing(address asset) external view returns (bool); /** * @notice Returns the protocol fee on the liquidation bonus * @param asset The address of the underlying asset of the reserve * @return The protocol fee on liquidation */ function getLiquidationProtocolFee(address asset) external view returns (uint256); /** * @notice Returns the unbacked mint cap of the reserve * @param asset The address of the underlying asset of the reserve * @return The unbacked mint cap of the reserve */ function getUnbackedMintCap(address asset) external view returns (uint256); /** * @notice Returns the debt ceiling of the reserve * @param asset The address of the underlying asset of the reserve * @return The debt ceiling of the reserve */ function getDebtCeiling(address asset) external view returns (uint256); /** * @notice Returns the debt ceiling decimals * @return The debt ceiling decimals */ function getDebtCeilingDecimals() external pure returns (uint256); /** * @notice Returns the reserve data * @param asset The address of the underlying asset of the reserve * @return unbacked The amount of unbacked tokens * @return accruedToTreasuryScaled The scaled amount of tokens accrued to treasury that is to be minted * @return totalAToken The total supply of the aToken * @return totalStableDebt The total stable debt of the reserve * @return totalVariableDebt The total variable debt of the reserve * @return liquidityRate The liquidity rate of the reserve * @return variableBorrowRate The variable borrow rate of the reserve * @return stableBorrowRate The stable borrow rate of the reserve * @return averageStableBorrowRate The average stable borrow rate of the reserve * @return liquidityIndex The liquidity index of the reserve * @return variableBorrowIndex The variable borrow index of the reserve * @return lastUpdateTimestamp The timestamp of the last update of the reserve */ function getReserveData( address asset ) external view returns ( uint256 unbacked, uint256 accruedToTreasuryScaled, uint256 totalAToken, uint256 totalStableDebt, uint256 totalVariableDebt, uint256 liquidityRate, uint256 variableBorrowRate, uint256 stableBorrowRate, uint256 averageStableBorrowRate, uint256 liquidityIndex, uint256 variableBorrowIndex, uint40 lastUpdateTimestamp ); /** * @notice Returns the total supply of aTokens for a given asset * @param asset The address of the underlying asset of the reserve * @return The total supply of the aToken */ function getATokenTotalSupply(address asset) external view returns (uint256); /** * @notice Returns the total debt for a given asset * @param asset The address of the underlying asset of the reserve * @return The total debt for asset */ function getTotalDebt(address asset) external view returns (uint256); /** * @notice Returns the user data in a reserve * @param asset The address of the underlying asset of the reserve * @param user The address of the user * @return currentATokenBalance The current AToken balance of the user * @return currentStableDebt The current stable debt of the user * @return currentVariableDebt The current variable debt of the user * @return principalStableDebt The principal stable debt of the user * @return scaledVariableDebt The scaled variable debt of the user * @return stableBorrowRate The stable borrow rate of the user * @return liquidityRate The liquidity rate of the reserve * @return stableRateLastUpdated The timestamp of the last update of the user stable rate * @return usageAsCollateralEnabled True if the user is using the asset as collateral, false * otherwise */ function getUserReserveData( address asset, address user ) external view returns ( uint256 currentATokenBalance, uint256 currentStableDebt, uint256 currentVariableDebt, uint256 principalStableDebt, uint256 scaledVariableDebt, uint256 stableBorrowRate, uint256 liquidityRate, uint40 stableRateLastUpdated, bool usageAsCollateralEnabled ); /** * @notice Returns the token addresses of the reserve * @param asset The address of the underlying asset of the reserve * @return aTokenAddress The AToken address of the reserve * @return stableDebtTokenAddress The StableDebtToken address of the reserve * @return variableDebtTokenAddress The VariableDebtToken address of the reserve */ function getReserveTokensAddresses( address asset ) external view returns ( address aTokenAddress, address stableDebtTokenAddress, address variableDebtTokenAddress ); /** * @notice Returns the address of the Interest Rate strategy * @param asset The address of the underlying asset of the reserve * @return irStrategyAddress The address of the Interest Rate strategy */ function getInterestRateStrategyAddress( address asset ) external view returns (address irStrategyAddress); /** * @notice Returns whether the reserve has FlashLoans enabled or disabled * @param asset The address of the underlying asset of the reserve * @return True if FlashLoans are enabled, false otherwise */ function getFlashLoanEnabled(address asset) external view returns (bool); }
// SPDX-License-Identifier: AGPL-3.0 pragma solidity ^0.8.0; /** * @title IPriceOracleGetter * @author Aave * @notice Interface for the Aave price oracle. */ interface IPriceOracleGetter { /** * @notice Returns the base currency address * @dev Address 0x0 is reserved for USD as base currency. * @return Returns the base currency address. */ function BASE_CURRENCY() external view returns (address); /** * @notice Returns the base currency unit * @dev 1 ether for ETH, 1e8 for USD. * @return Returns the base currency unit. */ function BASE_CURRENCY_UNIT() external view returns (uint256); /** * @notice Returns the asset price in the base currency * @param asset The address of the asset * @return The price of the asset */ function getAssetPrice(address asset) external view returns (uint256); }
// SPDX-License-Identifier: AGPL-3.0 pragma solidity ^0.8.0; import {DataTypes} from '../protocol/libraries/types/DataTypes.sol'; /** * @title IReserveInterestRateStrategy * @author Aave * @notice Interface for the calculation of the interest rates */ interface IReserveInterestRateStrategy { /** * @notice Calculates the interest rates depending on the reserve's state and configurations * @param params The parameters needed to calculate interest rates * @return liquidityRate The liquidity rate expressed in rays * @return stableBorrowRate The stable borrow rate expressed in rays * @return variableBorrowRate The variable borrow rate expressed in rays */ function calculateInterestRates( DataTypes.CalculateInterestRatesParams memory params ) external view returns (uint256, uint256, uint256); }
// SPDX-License-Identifier: AGPL-3.0 pragma solidity ^0.8.0; /** * @title IScaledBalanceToken * @author Aave * @notice Defines the basic interface for a scaled-balance token. */ interface IScaledBalanceToken { /** * @dev Emitted after the mint action * @param caller The address performing the mint * @param onBehalfOf The address of the user that will receive the minted tokens * @param value The scaled-up amount being minted (based on user entered amount and balance increase from interest) * @param balanceIncrease The increase in scaled-up balance since the last action of 'onBehalfOf' * @param index The next liquidity index of the reserve */ event Mint( address indexed caller, address indexed onBehalfOf, uint256 value, uint256 balanceIncrease, uint256 index ); /** * @dev Emitted after the burn action * @dev If the burn function does not involve a transfer of the underlying asset, the target defaults to zero address * @param from The address from which the tokens will be burned * @param target The address that will receive the underlying, if any * @param value The scaled-up amount being burned (user entered amount - balance increase from interest) * @param balanceIncrease The increase in scaled-up balance since the last action of 'from' * @param index The next liquidity index of the reserve */ event Burn( address indexed from, address indexed target, uint256 value, uint256 balanceIncrease, uint256 index ); /** * @notice Returns the scaled balance of the user. * @dev 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); /** * @notice 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 total supply */ function getScaledUserBalanceAndSupply(address user) external view returns (uint256, uint256); /** * @notice Returns the scaled total supply of the scaled balance token. Represents sum(debt/index) * @return The scaled total supply */ function scaledTotalSupply() external view returns (uint256); /** * @notice Returns last index interest was accrued to the user's balance * @param user The address of the user * @return The last index interest was accrued to the user's balance, expressed in ray */ function getPreviousIndex(address user) external view returns (uint256); }
// SPDX-License-Identifier: BUSL-1.1 pragma solidity ^0.8.0; /** * @title Errors library * @author Aave * @notice Defines the error messages emitted by the different contracts of the Aave protocol */ library Errors { string public constant CALLER_NOT_POOL_ADMIN = '1'; // 'The caller of the function is not a pool admin' string public constant CALLER_NOT_EMERGENCY_ADMIN = '2'; // 'The caller of the function is not an emergency admin' string public constant CALLER_NOT_POOL_OR_EMERGENCY_ADMIN = '3'; // 'The caller of the function is not a pool or emergency admin' string public constant CALLER_NOT_RISK_OR_POOL_ADMIN = '4'; // 'The caller of the function is not a risk or pool admin' string public constant CALLER_NOT_ASSET_LISTING_OR_POOL_ADMIN = '5'; // 'The caller of the function is not an asset listing or pool admin' string public constant CALLER_NOT_BRIDGE = '6'; // 'The caller of the function is not a bridge' string public constant ADDRESSES_PROVIDER_NOT_REGISTERED = '7'; // 'Pool addresses provider is not registered' string public constant INVALID_ADDRESSES_PROVIDER_ID = '8'; // 'Invalid id for the pool addresses provider' string public constant NOT_CONTRACT = '9'; // 'Address is not a contract' string public constant CALLER_NOT_POOL_CONFIGURATOR = '10'; // 'The caller of the function is not the pool configurator' string public constant CALLER_NOT_ATOKEN = '11'; // 'The caller of the function is not an AToken' string public constant INVALID_ADDRESSES_PROVIDER = '12'; // 'The address of the pool addresses provider is invalid' string public constant INVALID_FLASHLOAN_EXECUTOR_RETURN = '13'; // 'Invalid return value of the flashloan executor function' string public constant RESERVE_ALREADY_ADDED = '14'; // 'Reserve has already been added to reserve list' string public constant NO_MORE_RESERVES_ALLOWED = '15'; // 'Maximum amount of reserves in the pool reached' string public constant EMODE_CATEGORY_RESERVED = '16'; // 'Zero eMode category is reserved for volatile heterogeneous assets' string public constant INVALID_EMODE_CATEGORY_ASSIGNMENT = '17'; // 'Invalid eMode category assignment to asset' string public constant RESERVE_LIQUIDITY_NOT_ZERO = '18'; // 'The liquidity of the reserve needs to be 0' string public constant FLASHLOAN_PREMIUM_INVALID = '19'; // 'Invalid flashloan premium' string public constant INVALID_RESERVE_PARAMS = '20'; // 'Invalid risk parameters for the reserve' string public constant INVALID_EMODE_CATEGORY_PARAMS = '21'; // 'Invalid risk parameters for the eMode category' string public constant BRIDGE_PROTOCOL_FEE_INVALID = '22'; // 'Invalid bridge protocol fee' string public constant CALLER_MUST_BE_POOL = '23'; // 'The caller of this function must be a pool' string public constant INVALID_MINT_AMOUNT = '24'; // 'Invalid amount to mint' string public constant INVALID_BURN_AMOUNT = '25'; // 'Invalid amount to burn' string public constant INVALID_AMOUNT = '26'; // 'Amount must be greater than 0' string public constant RESERVE_INACTIVE = '27'; // 'Action requires an active reserve' string public constant RESERVE_FROZEN = '28'; // 'Action cannot be performed because the reserve is frozen' string public constant RESERVE_PAUSED = '29'; // 'Action cannot be performed because the reserve is paused' string public constant BORROWING_NOT_ENABLED = '30'; // 'Borrowing is not enabled' string public constant STABLE_BORROWING_NOT_ENABLED = '31'; // 'Stable borrowing is not enabled' string public constant NOT_ENOUGH_AVAILABLE_USER_BALANCE = '32'; // 'User cannot withdraw more than the available balance' string public constant INVALID_INTEREST_RATE_MODE_SELECTED = '33'; // 'Invalid interest rate mode selected' string public constant COLLATERAL_BALANCE_IS_ZERO = '34'; // 'The collateral balance is 0' string public constant HEALTH_FACTOR_LOWER_THAN_LIQUIDATION_THRESHOLD = '35'; // 'Health factor is lesser than the liquidation threshold' string public constant COLLATERAL_CANNOT_COVER_NEW_BORROW = '36'; // 'There is not enough collateral to cover a new borrow' string public constant COLLATERAL_SAME_AS_BORROWING_CURRENCY = '37'; // 'Collateral is (mostly) the same currency that is being borrowed' string public constant AMOUNT_BIGGER_THAN_MAX_LOAN_SIZE_STABLE = '38'; // 'The requested amount is greater than the max loan size in stable rate mode' string public constant NO_DEBT_OF_SELECTED_TYPE = '39'; // 'For repayment of a specific type of debt, the user needs to have debt that type' string public constant NO_EXPLICIT_AMOUNT_TO_REPAY_ON_BEHALF = '40'; // 'To repay on behalf of a user an explicit amount to repay is needed' string public constant NO_OUTSTANDING_STABLE_DEBT = '41'; // 'User does not have outstanding stable rate debt on this reserve' string public constant NO_OUTSTANDING_VARIABLE_DEBT = '42'; // 'User does not have outstanding variable rate debt on this reserve' string public constant UNDERLYING_BALANCE_ZERO = '43'; // 'The underlying balance needs to be greater than 0' string public constant INTEREST_RATE_REBALANCE_CONDITIONS_NOT_MET = '44'; // 'Interest rate rebalance conditions were not met' string public constant HEALTH_FACTOR_NOT_BELOW_THRESHOLD = '45'; // 'Health factor is not below the threshold' string public constant COLLATERAL_CANNOT_BE_LIQUIDATED = '46'; // 'The collateral chosen cannot be liquidated' string public constant SPECIFIED_CURRENCY_NOT_BORROWED_BY_USER = '47'; // 'User did not borrow the specified currency' string public constant INCONSISTENT_FLASHLOAN_PARAMS = '49'; // 'Inconsistent flashloan parameters' string public constant BORROW_CAP_EXCEEDED = '50'; // 'Borrow cap is exceeded' string public constant SUPPLY_CAP_EXCEEDED = '51'; // 'Supply cap is exceeded' string public constant UNBACKED_MINT_CAP_EXCEEDED = '52'; // 'Unbacked mint cap is exceeded' string public constant DEBT_CEILING_EXCEEDED = '53'; // 'Debt ceiling is exceeded' string public constant UNDERLYING_CLAIMABLE_RIGHTS_NOT_ZERO = '54'; // 'Claimable rights over underlying not zero (aToken supply or accruedToTreasury)' string public constant STABLE_DEBT_NOT_ZERO = '55'; // 'Stable debt supply is not zero' string public constant VARIABLE_DEBT_SUPPLY_NOT_ZERO = '56'; // 'Variable debt supply is not zero' string public constant LTV_VALIDATION_FAILED = '57'; // 'Ltv validation failed' string public constant INCONSISTENT_EMODE_CATEGORY = '58'; // 'Inconsistent eMode category' string public constant PRICE_ORACLE_SENTINEL_CHECK_FAILED = '59'; // 'Price oracle sentinel validation failed' string public constant ASSET_NOT_BORROWABLE_IN_ISOLATION = '60'; // 'Asset is not borrowable in isolation mode' string public constant RESERVE_ALREADY_INITIALIZED = '61'; // 'Reserve has already been initialized' string public constant USER_IN_ISOLATION_MODE_OR_LTV_ZERO = '62'; // 'User is in isolation mode or ltv is zero' string public constant INVALID_LTV = '63'; // 'Invalid ltv parameter for the reserve' string public constant INVALID_LIQ_THRESHOLD = '64'; // 'Invalid liquidity threshold parameter for the reserve' string public constant INVALID_LIQ_BONUS = '65'; // 'Invalid liquidity bonus parameter for the reserve' string public constant INVALID_DECIMALS = '66'; // 'Invalid decimals parameter of the underlying asset of the reserve' string public constant INVALID_RESERVE_FACTOR = '67'; // 'Invalid reserve factor parameter for the reserve' string public constant INVALID_BORROW_CAP = '68'; // 'Invalid borrow cap for the reserve' string public constant INVALID_SUPPLY_CAP = '69'; // 'Invalid supply cap for the reserve' string public constant INVALID_LIQUIDATION_PROTOCOL_FEE = '70'; // 'Invalid liquidation protocol fee for the reserve' string public constant INVALID_EMODE_CATEGORY = '71'; // 'Invalid eMode category for the reserve' string public constant INVALID_UNBACKED_MINT_CAP = '72'; // 'Invalid unbacked mint cap for the reserve' string public constant INVALID_DEBT_CEILING = '73'; // 'Invalid debt ceiling for the reserve string public constant INVALID_RESERVE_INDEX = '74'; // 'Invalid reserve index' string public constant ACL_ADMIN_CANNOT_BE_ZERO = '75'; // 'ACL admin cannot be set to the zero address' string public constant INCONSISTENT_PARAMS_LENGTH = '76'; // 'Array parameters that should be equal length are not' string public constant ZERO_ADDRESS_NOT_VALID = '77'; // 'Zero address not valid' string public constant INVALID_EXPIRATION = '78'; // 'Invalid expiration' string public constant INVALID_SIGNATURE = '79'; // 'Invalid signature' string public constant OPERATION_NOT_SUPPORTED = '80'; // 'Operation not supported' string public constant DEBT_CEILING_NOT_ZERO = '81'; // 'Debt ceiling is not zero' string public constant ASSET_NOT_LISTED = '82'; // 'Asset is not listed' string public constant INVALID_OPTIMAL_USAGE_RATIO = '83'; // 'Invalid optimal usage ratio' string public constant INVALID_OPTIMAL_STABLE_TO_TOTAL_DEBT_RATIO = '84'; // 'Invalid optimal stable to total debt ratio' string public constant UNDERLYING_CANNOT_BE_RESCUED = '85'; // 'The underlying asset cannot be rescued' string public constant ADDRESSES_PROVIDER_ALREADY_ADDED = '86'; // 'Reserve has already been added to reserve list' string public constant POOL_ADDRESSES_DO_NOT_MATCH = '87'; // 'The token implementation pool address and the pool address provided by the initializing pool do not match' string public constant STABLE_BORROWING_ENABLED = '88'; // 'Stable borrowing is enabled' string public constant SILOED_BORROWING_VIOLATION = '89'; // 'User is trying to borrow multiple assets including a siloed one' string public constant RESERVE_DEBT_NOT_ZERO = '90'; // the total debt of the reserve needs to be 0 string public constant FLASHLOAN_DISABLED = '91'; // FlashLoaning for this asset is disabled }
// SPDX-License-Identifier: BUSL-1.1 pragma solidity ^0.8.0; library ConfiguratorInputTypes { struct InitReserveInput { address aTokenImpl; address stableDebtTokenImpl; address variableDebtTokenImpl; uint8 underlyingAssetDecimals; address interestRateStrategyAddress; address underlyingAsset; address treasury; address incentivesController; string aTokenName; string aTokenSymbol; string variableDebtTokenName; string variableDebtTokenSymbol; string stableDebtTokenName; string stableDebtTokenSymbol; bytes params; } struct UpdateATokenInput { address asset; address treasury; address incentivesController; string name; string symbol; address implementation; bytes params; } struct UpdateDebtTokenInput { address asset; address incentivesController; string name; string symbol; address implementation; bytes params; } }
// SPDX-License-Identifier: BUSL-1.1 pragma solidity ^0.8.0; library DataTypes { struct ReserveData { //stores the reserve configuration ReserveConfigurationMap configuration; //the liquidity index. Expressed in ray uint128 liquidityIndex; //the current supply rate. Expressed in ray uint128 currentLiquidityRate; //variable borrow index. Expressed in ray uint128 variableBorrowIndex; //the current variable borrow rate. Expressed in ray uint128 currentVariableBorrowRate; //the current stable borrow rate. Expressed in ray uint128 currentStableBorrowRate; //timestamp of last update uint40 lastUpdateTimestamp; //the id of the reserve. Represents the position in the list of the active reserves uint16 id; //aToken address address aTokenAddress; //stableDebtToken address address stableDebtTokenAddress; //variableDebtToken address address variableDebtTokenAddress; //address of the interest rate strategy address interestRateStrategyAddress; //the current treasury balance, scaled uint128 accruedToTreasury; //the outstanding unbacked aTokens minted through the bridging feature uint128 unbacked; //the outstanding debt borrowed against this asset in isolation mode uint128 isolationModeTotalDebt; } 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: asset is paused //bit 61: borrowing in isolation mode is enabled //bit 62: siloed borrowing enabled //bit 63: flashloaning enabled //bit 64-79: reserve factor //bit 80-115 borrow cap in whole tokens, borrowCap == 0 => no cap //bit 116-151 supply cap in whole tokens, supplyCap == 0 => no cap //bit 152-167 liquidation protocol fee //bit 168-175 eMode category //bit 176-211 unbacked mint cap in whole tokens, unbackedMintCap == 0 => minting disabled //bit 212-251 debt ceiling for isolation mode with (ReserveConfiguration::DEBT_CEILING_DECIMALS) decimals //bit 252-255 unused uint256 data; } struct UserConfigurationMap { /** * @dev Bitmap of the users collaterals and borrows. It is divided in pairs of bits, one pair per asset. * The first bit indicates if an asset is used as collateral by the user, the second whether an * asset is borrowed by the user. */ uint256 data; } struct EModeCategory { // each eMode category has a custom ltv and liquidation threshold uint16 ltv; uint16 liquidationThreshold; uint16 liquidationBonus; // each eMode category may or may not have a custom oracle to override the individual assets price oracles address priceSource; string label; } enum InterestRateMode {NONE, STABLE, VARIABLE} struct ReserveCache { uint256 currScaledVariableDebt; uint256 nextScaledVariableDebt; uint256 currPrincipalStableDebt; uint256 currAvgStableBorrowRate; uint256 currTotalStableDebt; uint256 nextAvgStableBorrowRate; uint256 nextTotalStableDebt; uint256 currLiquidityIndex; uint256 nextLiquidityIndex; uint256 currVariableBorrowIndex; uint256 nextVariableBorrowIndex; uint256 currLiquidityRate; uint256 currVariableBorrowRate; uint256 reserveFactor; ReserveConfigurationMap reserveConfiguration; address aTokenAddress; address stableDebtTokenAddress; address variableDebtTokenAddress; uint40 reserveLastUpdateTimestamp; uint40 stableDebtLastUpdateTimestamp; } struct ExecuteLiquidationCallParams { uint256 reservesCount; uint256 debtToCover; address collateralAsset; address debtAsset; address user; bool receiveAToken; address priceOracle; uint8 userEModeCategory; address priceOracleSentinel; } struct ExecuteSupplyParams { address asset; uint256 amount; address onBehalfOf; uint16 referralCode; } struct ExecuteBorrowParams { address asset; address user; address onBehalfOf; uint256 amount; InterestRateMode interestRateMode; uint16 referralCode; bool releaseUnderlying; uint256 maxStableRateBorrowSizePercent; uint256 reservesCount; address oracle; uint8 userEModeCategory; address priceOracleSentinel; } struct ExecuteRepayParams { address asset; uint256 amount; InterestRateMode interestRateMode; address onBehalfOf; bool useATokens; } struct ExecuteWithdrawParams { address asset; uint256 amount; address to; uint256 reservesCount; address oracle; uint8 userEModeCategory; } struct ExecuteSetUserEModeParams { uint256 reservesCount; address oracle; uint8 categoryId; } struct FinalizeTransferParams { address asset; address from; address to; uint256 amount; uint256 balanceFromBefore; uint256 balanceToBefore; uint256 reservesCount; address oracle; uint8 fromEModeCategory; } struct FlashloanParams { address receiverAddress; address[] assets; uint256[] amounts; uint256[] interestRateModes; address onBehalfOf; bytes params; uint16 referralCode; uint256 flashLoanPremiumToProtocol; uint256 flashLoanPremiumTotal; uint256 maxStableRateBorrowSizePercent; uint256 reservesCount; address addressesProvider; uint8 userEModeCategory; bool isAuthorizedFlashBorrower; } struct FlashloanSimpleParams { address receiverAddress; address asset; uint256 amount; bytes params; uint16 referralCode; uint256 flashLoanPremiumToProtocol; uint256 flashLoanPremiumTotal; } struct FlashLoanRepaymentParams { uint256 amount; uint256 totalPremium; uint256 flashLoanPremiumToProtocol; address asset; address receiverAddress; uint16 referralCode; } struct CalculateUserAccountDataParams { UserConfigurationMap userConfig; uint256 reservesCount; address user; address oracle; uint8 userEModeCategory; } struct ValidateBorrowParams { ReserveCache reserveCache; UserConfigurationMap userConfig; address asset; address userAddress; uint256 amount; InterestRateMode interestRateMode; uint256 maxStableLoanPercent; uint256 reservesCount; address oracle; uint8 userEModeCategory; address priceOracleSentinel; bool isolationModeActive; address isolationModeCollateralAddress; uint256 isolationModeDebtCeiling; } struct ValidateLiquidationCallParams { ReserveCache debtReserveCache; uint256 totalDebt; uint256 healthFactor; address priceOracleSentinel; } struct CalculateInterestRatesParams { uint256 unbacked; uint256 liquidityAdded; uint256 liquidityTaken; uint256 totalStableDebt; uint256 totalVariableDebt; uint256 averageStableBorrowRate; uint256 reserveFactor; address reserve; address aToken; } struct InitReserveParams { address asset; address aTokenAddress; address stableDebtAddress; address variableDebtAddress; address interestRateStrategyAddress; uint16 reservesCount; uint16 maxNumberReserves; } }
// SPDX-License-Identifier: MIT pragma solidity >=0.6.0; import {DataTypes} from 'aave-v3-core/contracts/protocol/libraries/types/DataTypes.sol'; import {Errors} from 'aave-v3-core/contracts/protocol/libraries/helpers/Errors.sol'; import {ConfiguratorInputTypes} from 'aave-v3-core/contracts/protocol/libraries/types/ConfiguratorInputTypes.sol'; import {IPoolAddressesProvider} from 'aave-v3-core/contracts/interfaces/IPoolAddressesProvider.sol'; import {IAToken} from 'aave-v3-core/contracts/interfaces/IAToken.sol'; import {IPool} from 'aave-v3-core/contracts/interfaces/IPool.sol'; import {IPoolConfigurator} from 'aave-v3-core/contracts/interfaces/IPoolConfigurator.sol'; import {IPriceOracleGetter} from 'aave-v3-core/contracts/interfaces/IPriceOracleGetter.sol'; import {IAaveOracle} from 'aave-v3-core/contracts/interfaces/IAaveOracle.sol'; import {IACLManager as BasicIACLManager} from 'aave-v3-core/contracts/interfaces/IACLManager.sol'; import {IPoolDataProvider} from 'aave-v3-core/contracts/interfaces/IPoolDataProvider.sol'; import {IDefaultInterestRateStrategy} from 'aave-v3-core/contracts/interfaces/IDefaultInterestRateStrategy.sol'; import {IReserveInterestRateStrategy} from 'aave-v3-core/contracts/interfaces/IReserveInterestRateStrategy.sol'; import {IPoolDataProvider as IAaveProtocolDataProvider} from 'aave-v3-core/contracts/interfaces/IPoolDataProvider.sol'; import {AggregatorInterface} from 'aave-v3-core/contracts/dependencies/chainlink/AggregatorInterface.sol'; interface IACLManager is BasicIACLManager { function hasRole(bytes32 role, address account) external view returns (bool); function DEFAULT_ADMIN_ROLE() external pure returns (bytes32); function renounceRole(bytes32 role, address account) external; function getRoleAdmin(bytes32 role) external view returns (bytes32); function grantRole(bytes32 role, address account) external; function revokeRole(bytes32 role, address account) external; }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; interface ICLSynchronicityPriceAdapter { /** * @notice Calculates the current answer based on the aggregators. * @return int256 latestAnswer */ function latestAnswer() external view returns (int256); /** * @notice Returns the description of the feed * @return string desciption */ function description() external view returns (string memory); /** * @notice Returns the feed decimals * @return uint8 decimals */ function decimals() external view returns (uint8); error DecimalsAboveLimit(); error DecimalsNotEqual(); error RatioOutOfBounds(); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; interface IChainlinkAggregator { function decimals() external view returns (uint8); function latestAnswer() external view returns (int256); function latestTimestamp() external view returns (uint256); function latestRound() external view returns (uint256); function getAnswer(uint256 roundId) external view returns (int256); function getTimestamp(uint256 roundId) external view returns (uint256); event AnswerUpdated(int256 indexed current, uint256 indexed roundId, uint256 timestamp); event NewRound(uint256 indexed roundId, address indexed startedBy); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; interface IStETH { function getPooledEthByShares(uint256 shares) external view returns (uint256); }
// SPDX-License-Identifier: BUSL-1.1 pragma solidity ^0.8.19; import {IPriceCapAdapter, ICLSynchronicityPriceAdapter, IACLManager, IChainlinkAggregator} from '../interfaces/IPriceCapAdapter.sol'; /** * @title PriceCapAdapterBase * @author BGD Labs * @notice Price adapter to cap the price of the underlying asset. */ abstract contract PriceCapAdapterBase is IPriceCapAdapter { /// @inheritdoc IPriceCapAdapter uint256 public constant PERCENTAGE_FACTOR = 1e4; /// @inheritdoc IPriceCapAdapter uint256 public constant MINIMAL_RATIO_INCREASE_LIFETIME = 3; /// @inheritdoc IPriceCapAdapter uint256 public constant SECONDS_PER_YEAR = 365 days; /// @inheritdoc IPriceCapAdapter IChainlinkAggregator public immutable BASE_TO_USD_AGGREGATOR; /// @inheritdoc IPriceCapAdapter IACLManager public immutable ACL_MANAGER; /// @inheritdoc IPriceCapAdapter address public immutable RATIO_PROVIDER; /// @inheritdoc IPriceCapAdapter uint8 public immutable DECIMALS; /// @inheritdoc IPriceCapAdapter uint8 public immutable RATIO_DECIMALS; /// @inheritdoc IPriceCapAdapter uint48 public immutable MINIMUM_SNAPSHOT_DELAY; /** * @notice Description of the pair */ string private _description; /** * @notice Ratio at the time of snapshot */ uint104 private _snapshotRatio; /** * @notice Timestamp at the time of snapshot */ uint48 private _snapshotTimestamp; /** * @notice Ratio growth per second */ uint104 private _maxRatioGrowthPerSecond; /** * @notice Max yearly growth percent */ uint16 private _maxYearlyRatioGrowthPercent; /** * @param aclManager ACL manager contract * @param baseAggregatorAddress the address of (underlyingAsset / USD) price feed * @param ratioProviderAddress the address of (lst /underlyingAsset) ratio feed * @param pairDescription the capped (lstAsset / underlyingAsset) pair description * @param ratioDecimals the number of decimal places of the (lstAsset / underlyingAsset) ratio feed * @param minimumSnapshotDelay minimum time (in seconds) that should have passed from the snapshot timestamp to the current block.timestamp * @param priceCapParams parameters to set price cap */ constructor( IACLManager aclManager, address baseAggregatorAddress, address ratioProviderAddress, string memory pairDescription, uint8 ratioDecimals, uint48 minimumSnapshotDelay, PriceCapUpdateParams memory priceCapParams ) { if (address(aclManager) == address(0)) { revert ACLManagerIsZeroAddress(); } ACL_MANAGER = aclManager; BASE_TO_USD_AGGREGATOR = IChainlinkAggregator(baseAggregatorAddress); RATIO_PROVIDER = ratioProviderAddress; DECIMALS = BASE_TO_USD_AGGREGATOR.decimals(); RATIO_DECIMALS = ratioDecimals; MINIMUM_SNAPSHOT_DELAY = minimumSnapshotDelay; _description = pairDescription; _setCapParameters(priceCapParams); } /// @inheritdoc ICLSynchronicityPriceAdapter function description() external view returns (string memory) { return _description; } /// @inheritdoc ICLSynchronicityPriceAdapter function decimals() external view returns (uint8) { return DECIMALS; } /// @inheritdoc IPriceCapAdapter function getSnapshotRatio() external view returns (uint256) { return _snapshotRatio; } /// @inheritdoc IPriceCapAdapter function getSnapshotTimestamp() external view returns (uint256) { return _snapshotTimestamp; } /// @inheritdoc IPriceCapAdapter function getMaxYearlyGrowthRatePercent() external view returns (uint256) { return _maxYearlyRatioGrowthPercent; } /// @inheritdoc IPriceCapAdapter function getMaxRatioGrowthPerSecond() external view returns (uint256) { return _maxRatioGrowthPerSecond; } /// @inheritdoc IPriceCapAdapter function setCapParameters(PriceCapUpdateParams memory priceCapParams) external { if (!ACL_MANAGER.isRiskAdmin(msg.sender) && !ACL_MANAGER.isPoolAdmin(msg.sender)) { revert CallerIsNotRiskOrPoolAdmin(); } _setCapParameters(priceCapParams); } /// @inheritdoc ICLSynchronicityPriceAdapter function latestAnswer() external view override returns (int256) { // get the current lst to underlying ratio int256 currentRatio = getRatio(); // get the base price int256 basePrice = BASE_TO_USD_AGGREGATOR.latestAnswer(); if (basePrice <= 0 || currentRatio <= 0) { return 0; } // calculate the ratio based on snapshot ratio and max growth rate int256 maxRatio = _getMaxRatio(); if (maxRatio < currentRatio) { currentRatio = maxRatio; } // calculate the price of the underlying asset int256 price = (basePrice * currentRatio) / int256(10 ** RATIO_DECIMALS); return price; } /** * @notice Updates price cap parameters * @param priceCapParams parameters to set price cap */ function _setCapParameters(PriceCapUpdateParams memory priceCapParams) internal { // if snapshot ratio is 0 then growth will not work as expected if (priceCapParams.snapshotRatio == 0) { revert SnapshotRatioIsZero(); } // new snapshot timestamp should be gt then stored one, but not gt then timestamp of the current block if ( _snapshotTimestamp >= priceCapParams.snapshotTimestamp || priceCapParams.snapshotTimestamp > block.timestamp - MINIMUM_SNAPSHOT_DELAY ) { revert InvalidRatioTimestamp(priceCapParams.snapshotTimestamp); } _snapshotRatio = priceCapParams.snapshotRatio; _snapshotTimestamp = priceCapParams.snapshotTimestamp; _maxYearlyRatioGrowthPercent = priceCapParams.maxYearlyRatioGrowthPercent; _maxRatioGrowthPerSecond = uint104( (uint256(priceCapParams.snapshotRatio) * priceCapParams.maxYearlyRatioGrowthPercent) / PERCENTAGE_FACTOR / SECONDS_PER_YEAR ); // if the ratio on the current growth speed can overflow less then in a MINIMAL_RATIO_INCREASE_LIFETIME years, revert if ( uint256(_snapshotRatio) + (_maxRatioGrowthPerSecond * SECONDS_PER_YEAR * MINIMAL_RATIO_INCREASE_LIFETIME) > type(uint104).max ) { revert SnapshotMayOverflowSoon( priceCapParams.snapshotRatio, priceCapParams.maxYearlyRatioGrowthPercent ); } emit CapParametersUpdated( priceCapParams.snapshotRatio, priceCapParams.snapshotTimestamp, _maxRatioGrowthPerSecond, priceCapParams.maxYearlyRatioGrowthPercent ); } /// @inheritdoc IPriceCapAdapter function getRatio() public view virtual returns (int256); /// @inheritdoc IPriceCapAdapter function isCapped() public view returns (bool) { // get the current lst to underlying ratio int256 currentRatio = getRatio(); // calculate the ratio based on snapshot ratio and max growth rate int256 maxRatio = _getMaxRatio(); return currentRatio > maxRatio; } function _getMaxRatio() internal view returns (int256) { return int256(_snapshotRatio + _maxRatioGrowthPerSecond * (block.timestamp - _snapshotTimestamp)); } }
// SPDX-License-Identifier: BUSL-1.1 pragma solidity ^0.8.0; import {IACLManager} from 'aave-address-book/AaveV3.sol'; import {ICLSynchronicityPriceAdapter} from 'cl-synchronicity-price-adapter/interfaces/ICLSynchronicityPriceAdapter.sol'; import {IChainlinkAggregator} from 'cl-synchronicity-price-adapter/interfaces/IChainlinkAggregator.sol'; interface IPriceCapAdapter is ICLSynchronicityPriceAdapter { /** * @dev Emitted when the cap parameters are updated * @param snapshotRatio the ratio at the time of snapshot * @param snapshotTimestamp the timestamp at the time of snapshot * @param maxRatioGrowthPerSecond max ratio growth per second * @param maxYearlyRatioGrowthPercent max yearly ratio growth percent **/ event CapParametersUpdated( uint256 snapshotRatio, uint256 snapshotTimestamp, uint256 maxRatioGrowthPerSecond, uint16 maxYearlyRatioGrowthPercent ); /** * @notice Parameters to update price cap * @param priceCapParams parameters to set price cap */ struct PriceCapUpdateParams { uint104 snapshotRatio; uint48 snapshotTimestamp; uint16 maxYearlyRatioGrowthPercent; } /** * @notice Updates price cap parameters * @param priceCapParams parameters to set price cap */ function setCapParameters(PriceCapUpdateParams memory priceCapParams) external; /** * @notice Maximum percentage factor (100.00%) */ function PERCENTAGE_FACTOR() external view returns (uint256); /** * @notice Minimal time while ratio should not overflow, in years */ function MINIMAL_RATIO_INCREASE_LIFETIME() external view returns (uint256); /** * @notice Number of seconds per year (365 days) */ function SECONDS_PER_YEAR() external view returns (uint256); /** * @notice Price feed for (BASE_ASSET / USD) pair */ function BASE_TO_USD_AGGREGATOR() external view returns (IChainlinkAggregator); /** * @notice Ratio feed for (LST_ASSET / BASE_ASSET) pair */ function RATIO_PROVIDER() external view returns (address); /** * @notice ACL manager contract */ function ACL_MANAGER() external view returns (IACLManager); /** * @notice Number of decimals in the output of this price adapter */ function DECIMALS() external view returns (uint8); /** * @notice Number of decimals for (lst asset / underlying asset) ratio */ function RATIO_DECIMALS() external view returns (uint8); /** * @notice Minimum time (in seconds) that should have passed from the snapshot timestamp to the current block.timestamp */ function MINIMUM_SNAPSHOT_DELAY() external view returns (uint48); /** * @notice Returns the current exchange ratio of lst to the underlying(base) asset */ function getRatio() external view returns (int256); /** * @notice Returns the latest snapshot ratio */ function getSnapshotRatio() external view returns (uint256); /** * @notice Returns the latest snapshot timestamp */ function getSnapshotTimestamp() external view returns (uint256); /** * @notice Returns the max ratio growth per second */ function getMaxRatioGrowthPerSecond() external view returns (uint256); /** * @notice Returns the max yearly ratio growth */ function getMaxYearlyGrowthRatePercent() external view returns (uint256); /** * @notice Returns if the price is currently capped */ function isCapped() external view returns (bool); error ACLManagerIsZeroAddress(); error SnapshotRatioIsZero(); error SnapshotMayOverflowSoon(uint104 snapshotRatio, uint16 maxYearlyRatioGrowthPercent); error InvalidRatioTimestamp(uint48 timestamp); error CallerIsNotRiskOrPoolAdmin(); }
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Contract Security Audit
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[{"inputs":[{"internalType":"contract IACLManager","name":"aclManager","type":"address"},{"internalType":"address","name":"ethToBaseAggregatorAddress","type":"address"},{"internalType":"address","name":"stEthAddress","type":"address"},{"internalType":"string","name":"pairName","type":"string"},{"internalType":"uint48","name":"minimumSnapshotDelay","type":"uint48"},{"components":[{"internalType":"uint104","name":"snapshotRatio","type":"uint104"},{"internalType":"uint48","name":"snapshotTimestamp","type":"uint48"},{"internalType":"uint16","name":"maxYearlyRatioGrowthPercent","type":"uint16"}],"internalType":"struct IPriceCapAdapter.PriceCapUpdateParams","name":"priceCapParams","type":"tuple"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"ACLManagerIsZeroAddress","type":"error"},{"inputs":[],"name":"CallerIsNotRiskOrPoolAdmin","type":"error"},{"inputs":[],"name":"DecimalsAboveLimit","type":"error"},{"inputs":[],"name":"DecimalsNotEqual","type":"error"},{"inputs":[{"internalType":"uint48","name":"timestamp","type":"uint48"}],"name":"InvalidRatioTimestamp","type":"error"},{"inputs":[],"name":"RatioOutOfBounds","type":"error"},{"inputs":[{"internalType":"uint104","name":"snapshotRatio","type":"uint104"},{"internalType":"uint16","name":"maxYearlyRatioGrowthPercent","type":"uint16"}],"name":"SnapshotMayOverflowSoon","type":"error"},{"inputs":[],"name":"SnapshotRatioIsZero","type":"error"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"snapshotRatio","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"snapshotTimestamp","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"maxRatioGrowthPerSecond","type":"uint256"},{"indexed":false,"internalType":"uint16","name":"maxYearlyRatioGrowthPercent","type":"uint16"}],"name":"CapParametersUpdated","type":"event"},{"inputs":[],"name":"ACL_MANAGER","outputs":[{"internalType":"contract IACLManager","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"BASE_TO_USD_AGGREGATOR","outputs":[{"internalType":"contract IChainlinkAggregator","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"DECIMALS","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MINIMAL_RATIO_INCREASE_LIFETIME","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MINIMUM_SNAPSHOT_DELAY","outputs":[{"internalType":"uint48","name":"","type":"uint48"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"PERCENTAGE_FACTOR","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"RATIO_DECIMALS","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"RATIO_PROVIDER","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"SECONDS_PER_YEAR","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"description","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getMaxRatioGrowthPerSecond","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getMaxYearlyGrowthRatePercent","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getRatio","outputs":[{"internalType":"int256","name":"","type":"int256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getSnapshotRatio","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getSnapshotTimestamp","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isCapped","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"latestAnswer","outputs":[{"internalType":"int256","name":"","type":"int256"}],"stateMutability":"view","type":"function"},{"inputs":[{"components":[{"internalType":"uint104","name":"snapshotRatio","type":"uint104"},{"internalType":"uint48","name":"snapshotTimestamp","type":"uint48"},{"internalType":"uint16","name":"maxYearlyRatioGrowthPercent","type":"uint16"}],"internalType":"struct IPriceCapAdapter.PriceCapUpdateParams","name":"priceCapParams","type":"tuple"}],"name":"setCapParameters","outputs":[],"stateMutability":"nonpayable","type":"function"}]
Contract Creation Code
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Deployed Bytecode
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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
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
-----Decoded View---------------
Arg [0] : aclManager (address): 0xc2aaCf6553D20d1e9d78E365AAba8032af9c85b0
Arg [1] : ethToBaseAggregatorAddress (address): 0x5f4eC3Df9cbd43714FE2740f5E3616155c5b8419
Arg [2] : stEthAddress (address): 0xae7ab96520DE3A18E5e111B5EaAb095312D7fE84
Arg [3] : pairName (string): Capped wstETH / stETH(ETH) / USD
Arg [4] : minimumSnapshotDelay (uint48): 604800
Arg [5] : priceCapParams (tuple): System.Collections.Generic.List`1[Nethereum.ABI.FunctionEncoding.ParameterOutput]
-----Encoded View---------------
10 Constructor Arguments found :
Arg [0] : 000000000000000000000000c2aacf6553d20d1e9d78e365aaba8032af9c85b0
Arg [1] : 0000000000000000000000005f4ec3df9cbd43714fe2740f5e3616155c5b8419
Arg [2] : 000000000000000000000000ae7ab96520de3a18e5e111b5eaab095312d7fe84
Arg [3] : 0000000000000000000000000000000000000000000000000000000000000100
Arg [4] : 0000000000000000000000000000000000000000000000000000000000093a80
Arg [5] : 000000000000000000000000000000000000000000000000100f3c45bdf8120b
Arg [6] : 0000000000000000000000000000000000000000000000000000000065ce14ef
Arg [7] : 00000000000000000000000000000000000000000000000000000000000003c8
Arg [8] : 0000000000000000000000000000000000000000000000000000000000000020
Arg [9] : 43617070656420777374455448202f2073744554482845544829202f20555344
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Multichain Portfolio | 26 Chains
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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.