// 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); }