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0xA77b1C51a76bbB72D17BF467393a540868103097

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Contract Source Code Verified (Exact Match)

Contract Name:
FixedPriceAdapter

Compiler Version
v0.8.30+commit.73712a01

Optimization Enabled:
Yes with 200 runs

Other Settings:
shanghai EvmVersion
// SPDX-License-Identifier: BUSL-1.1
pragma solidity ^0.8.0;

import {IFixedPriceAdapter, IACLManager} from '../../interfaces/IFixedPriceAdapter.sol';

/**
 * @title FixedPriceAdapter
 * @author BGD Labs
 * @notice Price adapter using a fixed hardcoded price
 */
contract FixedPriceAdapter is IFixedPriceAdapter {
  /// @inheritdoc IFixedPriceAdapter
  uint8 public immutable DECIMALS;

  /// @inheritdoc IFixedPriceAdapter
  IACLManager public immutable ACL_MANAGER;

  int256 internal _price;
  string internal _description;

  constructor(
    address _aclManager,
    uint8 _decimals,
    int256 _adapterPrice,
    string memory _adapterDescription
  ) {
    if (address(_aclManager) == address(0)) revert ACLManagerIsZeroAddress();

    ACL_MANAGER = IACLManager(_aclManager);
    DECIMALS = _decimals;
    _setPrice(_adapterPrice);
    _description = _adapterDescription;
  }

  /// @inheritdoc IFixedPriceAdapter
  function description() external view returns (string memory) {
    return _description;
  }

  /// @inheritdoc IFixedPriceAdapter
  function price() external view returns (int256) {
    return _price;
  }

  /// @inheritdoc IFixedPriceAdapter
  function decimals() external view returns (uint8) {
    return DECIMALS;
  }

  /// @inheritdoc IFixedPriceAdapter
  function latestAnswer() external view virtual returns (int256) {
    return _price;
  }

  /// @inheritdoc IFixedPriceAdapter
  function setPrice(int256 newPrice) external {
    if (!ACL_MANAGER.isPoolAdmin(msg.sender)) revert CallerIsNotPoolAdmin();
    _setPrice(newPrice);
  }

  /**
   * @notice updates the fixed price
   * @param newPrice the new fixed price to set
   */
  function _setPrice(int256 newPrice) internal {
    if (newPrice < 0) revert InvalidPrice();
    int256 currentPrice = _price;
    _price = newPrice;

    emit FixedPriceUpdated(currentPrice, newPrice);
  }
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity ^0.8.0;

import {IACLManager} from 'aave-address-book/AaveV3.sol';

interface IFixedPriceAdapter {
  /**
   * @dev Emitted when the fix price cap is updated by the POOL_ADMIN
   * @param currentPrice the current fixed price of the feed
   * @param newPrice the new fixed price of the feed
   */
  event FixedPriceUpdated(int256 currentPrice, int256 newPrice);

  /**
   * @notice Number of decimals in the output of this price feed
   */
  function DECIMALS() external view returns (uint8);

  /**
   * @notice ACL manager contract
   */
  function ACL_MANAGER() external view returns (IACLManager);

  /**
   * @notice Sets new fixed price
   * @dev Method could called only by the POOL_ADMIN
   * @param newPrice the new fixed price to set
   */
  function setPrice(int256 newPrice) external;

  /**
   * @notice Hardcoded price of the price feed
   * @return int256 price
   */
  function price() external view returns (int256);

  /**
   * @notice Returns the description of the feed
   * @return string description
   */
  function description() external view returns (string memory);

  /**
   * @notice Returns the feed decimals
   * @return uint8 decimals
   */
  function decimals() external view returns (uint8);

  /**
   * @notice Returns the fixed hardcoded price of the feed
   * @return int256 latestAnswer
   */
  function latestAnswer() external view returns (int256);

  error ACLManagerIsZeroAddress();
  error CallerIsNotPoolAdmin();
  error InvalidPrice();
}

// SPDX-License-Identifier: MIT
pragma solidity >=0.6.0;

import {DataTypes} from 'aave-v3-origin/contracts/protocol/libraries/types/DataTypes.sol';
import {Errors} from 'aave-v3-origin/contracts/protocol/libraries/helpers/Errors.sol';
import {ConfiguratorInputTypes} from 'aave-v3-origin/contracts/protocol/libraries/types/ConfiguratorInputTypes.sol';
import {IPoolAddressesProvider} from 'aave-v3-origin/contracts/interfaces/IPoolAddressesProvider.sol';
import {IAToken} from 'aave-v3-origin/contracts/interfaces/IAToken.sol';
import {IPool} from 'aave-v3-origin/contracts/interfaces/IPool.sol';
import {IPoolConfigurator} from 'aave-v3-origin/contracts/interfaces/IPoolConfigurator.sol';
import {IPriceOracleGetter} from 'aave-v3-origin/contracts/interfaces/IPriceOracleGetter.sol';
import {IAaveOracle} from 'aave-v3-origin/contracts/interfaces/IAaveOracle.sol';
import {IACLManager as BasicIACLManager} from 'aave-v3-origin/contracts/interfaces/IACLManager.sol';
import {IPoolDataProvider} from 'aave-v3-origin/contracts/interfaces/IPoolDataProvider.sol';
import {IDefaultInterestRateStrategyV2} from 'aave-v3-origin/contracts/interfaces/IDefaultInterestRateStrategyV2.sol';
import {IReserveInterestRateStrategy} from 'aave-v3-origin/contracts/interfaces/IReserveInterestRateStrategy.sol';
import {IPoolDataProvider as IAaveProtocolDataProvider} from 'aave-v3-origin/contracts/interfaces/IPoolDataProvider.sol';
import {AggregatorInterface} from 'aave-v3-origin/contracts/dependencies/chainlink/AggregatorInterface.sol';
import {ICollector} from 'aave-v3-origin/contracts/treasury/ICollector.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;
}

File 4 of 23 : DataTypes.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

library DataTypes {
  /**
   * This exists specifically to maintain the `getReserveData()` interface, since the new, internal
   * `ReserveData` struct includes the reserve's `virtualUnderlyingBalance`.
   */
  struct ReserveDataLegacy {
    //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;
    // DEPRECATED on v3.2.0
    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;
    // DEPRECATED on v3.2.0
    address stableDebtTokenAddress;
    //variableDebtToken address
    address variableDebtTokenAddress;
    // DEPRECATED on v3.4.0, should use the `RESERVE_INTEREST_RATE_STRATEGY` variable from the Pool contract
    address interestRateStrategyAddress;
    //the current treasury balance, scaled
    uint128 accruedToTreasury;
    // DEPRECATED on v3.4.0
    uint128 unbacked;
    //the outstanding debt borrowed against this asset in isolation mode
    uint128 isolationModeTotalDebt;
  }

  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;
    /// @notice reused `__deprecatedStableBorrowRate` storage from pre 3.2
    // the current accumulate deficit in underlying tokens
    uint128 deficit;
    //timestamp of last update
    uint40 lastUpdateTimestamp;
    //the id of the reserve. Represents the position in the list of the active reserves
    uint16 id;
    //timestamp until when liquidations are not allowed on the reserve, if set to past liquidations will be allowed
    uint40 liquidationGracePeriodUntil;
    //aToken address
    address aTokenAddress;
    // DEPRECATED on v3.2.0
    address __deprecatedStableDebtTokenAddress;
    //variableDebtToken address
    address variableDebtTokenAddress;
    // DEPRECATED on v3.4.0, should use the `RESERVE_INTEREST_RATE_STRATEGY` variable from the Pool contract
    address __deprecatedInterestRateStrategyAddress;
    //the current treasury balance, scaled
    uint128 accruedToTreasury;
    // In aave 3.3.0 this storage slot contained the `unbacked`
    uint128 virtualUnderlyingBalance;
    //the outstanding debt borrowed against this asset in isolation mode
    uint128 isolationModeTotalDebt;
    //the amount of underlying accounted for by the protocol
    // DEPRECATED on v3.4.0. Moved into the same slot as accruedToTreasury for optimized storage access.
    uint128 __deprecatedVirtualUnderlyingBalance;
  }

  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: DEPRECATED: 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: DEPRECATED: eMode category
    //bit 176-211: DEPRECATED: unbacked mint cap
    //bit 212-251: debt ceiling for isolation mode with (ReserveConfiguration::DEBT_CEILING_DECIMALS) decimals
    //bit 252: DEPRECATED: virtual accounting is enabled for the reserve
    //bit 253-255 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;
  }

  // DEPRECATED: kept for backwards compatibility, might be removed in a future version
  struct EModeCategoryLegacy {
    // each eMode category has a custom ltv and liquidation threshold
    uint16 ltv;
    uint16 liquidationThreshold;
    uint16 liquidationBonus;
    // DEPRECATED
    address priceSource;
    string label;
  }

  struct CollateralConfig {
    uint16 ltv;
    uint16 liquidationThreshold;
    uint16 liquidationBonus;
  }

  struct EModeCategoryBaseConfiguration {
    uint16 ltv;
    uint16 liquidationThreshold;
    uint16 liquidationBonus;
    string label;
  }

  struct EModeCategory {
    // each eMode category has a custom ltv and liquidation threshold
    uint16 ltv;
    uint16 liquidationThreshold;
    uint16 liquidationBonus;
    uint128 collateralBitmap;
    string label;
    uint128 borrowableBitmap;
  }

  enum InterestRateMode {
    NONE,
    __DEPRECATED,
    VARIABLE
  }

  struct ReserveCache {
    uint256 currScaledVariableDebt;
    uint256 nextScaledVariableDebt;
    uint256 currLiquidityIndex;
    uint256 nextLiquidityIndex;
    uint256 currVariableBorrowIndex;
    uint256 nextVariableBorrowIndex;
    uint256 currLiquidityRate;
    uint256 currVariableBorrowRate;
    uint256 reserveFactor;
    ReserveConfigurationMap reserveConfiguration;
    address aTokenAddress;
    address variableDebtTokenAddress;
    uint40 reserveLastUpdateTimestamp;
  }

  struct ExecuteLiquidationCallParams {
    address liquidator;
    uint256 debtToCover;
    address collateralAsset;
    address debtAsset;
    address borrower;
    bool receiveAToken;
    address priceOracle;
    uint8 borrowerEModeCategory;
    address priceOracleSentinel;
    address interestRateStrategyAddress;
  }

  struct ExecuteSupplyParams {
    address user;
    address asset;
    address interestRateStrategyAddress;
    uint256 amount;
    address onBehalfOf;
    uint16 referralCode;
  }

  struct ExecuteBorrowParams {
    address asset;
    address user;
    address onBehalfOf;
    address interestRateStrategyAddress;
    uint256 amount;
    InterestRateMode interestRateMode;
    uint16 referralCode;
    bool releaseUnderlying;
    address oracle;
    uint8 userEModeCategory;
    address priceOracleSentinel;
  }

  struct ExecuteRepayParams {
    address asset;
    address user;
    address interestRateStrategyAddress;
    uint256 amount;
    InterestRateMode interestRateMode;
    address onBehalfOf;
    bool useATokens;
    address oracle;
    uint8 userEModeCategory;
  }

  struct ExecuteWithdrawParams {
    address user;
    address asset;
    address interestRateStrategyAddress;
    uint256 amount;
    address to;
    address oracle;
    uint8 userEModeCategory;
  }

  struct ExecuteEliminateDeficitParams {
    address user;
    address asset;
    address interestRateStrategyAddress;
    uint256 amount;
  }

  struct FinalizeTransferParams {
    address asset;
    address from;
    address to;
    uint256 scaledAmount;
    uint256 scaledBalanceFromBefore;
    uint256 scaledBalanceToBefore;
    address oracle;
    uint8 fromEModeCategory;
  }

  struct FlashloanParams {
    address user;
    address receiverAddress;
    address[] assets;
    uint256[] amounts;
    uint256[] interestRateModes;
    address interestRateStrategyAddress;
    address onBehalfOf;
    bytes params;
    uint16 referralCode;
    uint256 flashLoanPremium;
    address addressesProvider;
    address pool;
    uint8 userEModeCategory;
    bool isAuthorizedFlashBorrower;
  }

  struct FlashloanSimpleParams {
    address user;
    address receiverAddress;
    address asset;
    address interestRateStrategyAddress;
    uint256 amount;
    bytes params;
    uint16 referralCode;
    uint256 flashLoanPremium;
  }

  struct FlashLoanRepaymentParams {
    address user;
    uint256 amount;
    uint256 totalPremium;
    address asset;
    address interestRateStrategyAddress;
    address receiverAddress;
    uint16 referralCode;
  }

  struct CalculateUserAccountDataParams {
    UserConfigurationMap userConfig;
    address user;
    address oracle;
    uint8 userEModeCategory;
  }

  struct ValidateBorrowParams {
    ReserveCache reserveCache;
    UserConfigurationMap userConfig;
    address asset;
    address userAddress;
    uint256 amountScaled;
    InterestRateMode interestRateMode;
    address oracle;
    uint8 userEModeCategory;
    address priceOracleSentinel;
  }

  struct ValidateLiquidationCallParams {
    ReserveCache debtReserveCache;
    uint256 totalDebt;
    uint256 healthFactor;
    address priceOracleSentinel;
    address borrower;
    address liquidator;
  }

  struct CalculateInterestRatesParams {
    uint256 unbacked;
    uint256 liquidityAdded;
    uint256 liquidityTaken;
    uint256 totalDebt;
    uint256 reserveFactor;
    address reserve;
    // @notice DEPRECATED in 3.4, but kept for backwards compatibility
    bool usingVirtualBalance;
    uint256 virtualUnderlyingBalance;
  }

  struct InitReserveParams {
    address asset;
    address aTokenAddress;
    address variableDebtAddress;
    uint16 reservesCount;
    uint16 maxNumberReserves;
  }
}

File 5 of 23 : Errors.sol
// SPDX-License-Identifier: MIT
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 {
  error CallerNotPoolAdmin(); // 'The caller of the function is not a pool admin'
  error CallerNotPoolOrEmergencyAdmin(); // 'The caller of the function is not a pool or emergency admin'
  error CallerNotRiskOrPoolAdmin(); // 'The caller of the function is not a risk or pool admin'
  error CallerNotAssetListingOrPoolAdmin(); // 'The caller of the function is not an asset listing or pool admin'
  error AddressesProviderNotRegistered(); // 'Pool addresses provider is not registered'
  error InvalidAddressesProviderId(); // 'Invalid id for the pool addresses provider'
  error NotContract(); // 'Address is not a contract'
  error CallerNotPoolConfigurator(); // 'The caller of the function is not the pool configurator'
  error CallerNotAToken(); // 'The caller of the function is not an AToken'
  error InvalidAddressesProvider(); // 'The address of the pool addresses provider is invalid'
  error InvalidFlashloanExecutorReturn(); // 'Invalid return value of the flashloan executor function'
  error ReserveAlreadyAdded(); // 'Reserve has already been added to reserve list'
  error NoMoreReservesAllowed(); // 'Maximum amount of reserves in the pool reached'
  error EModeCategoryReserved(); // 'Zero eMode category is reserved for volatile heterogeneous assets'
  error ReserveLiquidityNotZero(); // 'The liquidity of the reserve needs to be 0'
  error FlashloanPremiumInvalid(); // 'Invalid flashloan premium'
  error InvalidReserveParams(); // 'Invalid risk parameters for the reserve'
  error InvalidEmodeCategoryParams(); // 'Invalid risk parameters for the eMode category'
  error CallerMustBePool(); // 'The caller of this function must be a pool'
  error InvalidMintAmount(); // 'Invalid amount to mint'
  error InvalidBurnAmount(); // 'Invalid amount to burn'
  error InvalidAmount(); // 'Amount must be greater than 0'
  error ReserveInactive(); // 'Action requires an active reserve'
  error ReserveFrozen(); // 'Action cannot be performed because the reserve is frozen'
  error ReservePaused(); // 'Action cannot be performed because the reserve is paused'
  error BorrowingNotEnabled(); // 'Borrowing is not enabled'
  error NotEnoughAvailableUserBalance(); // 'User cannot withdraw more than the available balance'
  error InvalidInterestRateModeSelected(); // 'Invalid interest rate mode selected'
  error HealthFactorLowerThanLiquidationThreshold(); // 'Health factor is below the liquidation threshold'
  error CollateralCannotCoverNewBorrow(); // 'There is not enough collateral to cover a new borrow'
  error NoDebtOfSelectedType(); // 'For repayment of a specific type of debt, the user needs to have debt that type'
  error NoExplicitAmountToRepayOnBehalf(); // 'To repay on behalf of a user an explicit amount to repay is needed'
  error UnderlyingBalanceZero(); // 'The underlying balance needs to be greater than 0'
  error HealthFactorNotBelowThreshold(); // 'Health factor is not below the threshold'
  error CollateralCannotBeLiquidated(); // 'The collateral chosen cannot be liquidated'
  error SpecifiedCurrencyNotBorrowedByUser(); // 'User did not borrow the specified currency'
  error InconsistentFlashloanParams(); // 'Inconsistent flashloan parameters'
  error BorrowCapExceeded(); // 'Borrow cap is exceeded'
  error SupplyCapExceeded(); // 'Supply cap is exceeded'
  error DebtCeilingExceeded(); // 'Debt ceiling is exceeded'
  error UnderlyingClaimableRightsNotZero(); // 'Claimable rights over underlying not zero (aToken supply or accruedToTreasury)'
  error VariableDebtSupplyNotZero(); // 'Variable debt supply is not zero'
  error LtvValidationFailed(); // 'Ltv validation failed'
  error InconsistentEModeCategory(); // 'Inconsistent eMode category'
  error PriceOracleSentinelCheckFailed(); // 'Price oracle sentinel validation failed'
  error AssetNotBorrowableInIsolation(); // 'Asset is not borrowable in isolation mode'
  error ReserveAlreadyInitialized(); // 'Reserve has already been initialized'
  error UserInIsolationModeOrLtvZero(); // 'User is in isolation mode or ltv is zero'
  error InvalidLtv(); // 'Invalid ltv parameter for the reserve'
  error InvalidLiquidationThreshold(); // 'Invalid liquidity threshold parameter for the reserve'
  error InvalidLiquidationBonus(); // 'Invalid liquidity bonus parameter for the reserve'
  error InvalidDecimals(); // 'Invalid decimals parameter of the underlying asset of the reserve'
  error InvalidReserveFactor(); // 'Invalid reserve factor parameter for the reserve'
  error InvalidBorrowCap(); // 'Invalid borrow cap for the reserve'
  error InvalidSupplyCap(); // 'Invalid supply cap for the reserve'
  error InvalidLiquidationProtocolFee(); // 'Invalid liquidation protocol fee for the reserve'
  error InvalidDebtCeiling(); // 'Invalid debt ceiling for the reserve'
  error InvalidReserveIndex(); // 'Invalid reserve index'
  error AclAdminCannotBeZero(); // 'ACL admin cannot be set to the zero address'
  error InconsistentParamsLength(); // 'Array parameters that should be equal length are not'
  error ZeroAddressNotValid(); // 'Zero address not valid'
  error InvalidExpiration(); // 'Invalid expiration'
  error InvalidSignature(); // 'Invalid signature'
  error OperationNotSupported(); // 'Operation not supported'
  error DebtCeilingNotZero(); // 'Debt ceiling is not zero'
  error AssetNotListed(); // 'Asset is not listed'
  error InvalidOptimalUsageRatio(); // 'Invalid optimal usage ratio'
  error UnderlyingCannotBeRescued(); // 'The underlying asset cannot be rescued'
  error AddressesProviderAlreadyAdded(); // 'Reserve has already been added to reserve list'
  error PoolAddressesDoNotMatch(); // 'The token implementation pool address and the pool address provided by the initializing pool do not match'
  error SiloedBorrowingViolation(); // 'User is trying to borrow multiple assets including a siloed one'
  error ReserveDebtNotZero(); // the total debt of the reserve needs to be 0
  error FlashloanDisabled(); // FlashLoaning for this asset is disabled
  error InvalidMaxRate(); // The expect maximum borrow rate is invalid
  error WithdrawToAToken(); // Withdrawing to the aToken is not allowed
  error SupplyToAToken(); // Supplying to the aToken is not allowed
  error Slope2MustBeGteSlope1(); // Variable interest rate slope 2 can not be lower than slope 1
  error CallerNotRiskOrPoolOrEmergencyAdmin(); // 'The caller of the function is not a risk, pool or emergency admin'
  error LiquidationGraceSentinelCheckFailed(); // 'Liquidation grace sentinel validation failed'
  error InvalidGracePeriod(); // Grace period above a valid range
  error InvalidFreezeState(); // Reserve is already in the passed freeze state
  error NotBorrowableInEMode(); // Asset not borrowable in eMode
  error CallerNotUmbrella(); // The caller of the function is not the umbrella contract
  error ReserveNotInDeficit(); // The reserve is not in deficit
  error MustNotLeaveDust(); // Below a certain threshold liquidators need to take the full position
  error UserCannotHaveDebt(); // Thrown when a user tries to interact with a method that requires a position without debt
  error SelfLiquidation(); // Thrown when a user tries to liquidate themselves
  error CallerNotPositionManager(); // Thrown when the caller has not been enabled as a position manager of the on-behalf-of user
}

File 6 of 23 : ConfiguratorInputTypes.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

library ConfiguratorInputTypes {
  struct InitReserveInput {
    address aTokenImpl;
    address variableDebtTokenImpl;
    address underlyingAsset;
    string aTokenName;
    string aTokenSymbol;
    string variableDebtTokenName;
    string variableDebtTokenSymbol;
    bytes params;
    bytes interestRateData;
  }

  struct UpdateATokenInput {
    address asset;
    string name;
    string symbol;
    address implementation;
    bytes params;
  }

  struct UpdateDebtTokenInput {
    address asset;
    string name;
    string symbol;
    address implementation;
    bytes params;
  }
}

// SPDX-License-Identifier: MIT
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: MIT
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 scaledAmount The scaled 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 scaledAmount,
    uint256 index
  ) external returns (bool);

  /**
   * @notice Burns aTokens from `user` and sends the equivalent amount of underlying to `receiverOfUnderlying`.
   * @dev Passing both the unscaled and scaled amounts enhances precision. The `scaledAmount` is used for precise balance updates,
   * while the `amount` is used for the underlying asset transfer, preventing cumulative rounding errors.
   * @dev In some instances, a mint event may 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 of underlying to be burned (non scaled)
   * @param scaledAmount The scaled amount of aTokens to be burned (scaled)
   * @param index The next liquidity index of the reserve
   * @return `true` if the the new balance of the user is 0
   */
  function burn(
    address from,
    address receiverOfUnderlying,
    uint256 amount,
    uint256 scaledAmount,
    uint256 index
  ) external returns (bool);

  /**
   * @notice Mints aTokens to the reserve treasury
   * @param scaledAmount The scaled amount of tokens getting minted
   * @param index The next liquidity index of the reserve
   */
  function mintToTreasury(uint256 scaledAmount, uint256 index) external;

  /**
   * @notice Transfers aTokens in the event of a borrow being liquidated, in case the liquidator reclaims the aToken.
   * @dev Passing both the unscaled and scaled amounts enhances precision. The `scaledAmount` is used for precise balance updates,
   * while the `amount` is used for logging and consistency, preventing cumulative rounding errors.
   * @param from The address getting liquidated, current owner of the aTokens
   * @param to The recipient
   * @param amount The amount of tokens getting transferred (non-scaled)
   * @param scaledAmount The scaled amount of tokens getting transferred (scaled)
   * @param index The next liquidity index of the reserve
   */
  function transferOnLiquidation(
    address from,
    address to,
    uint256 amount,
    uint256 scaledAmount,
    uint256 index
  ) 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 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;
}

File 9 of 23 : IPool.sol
// SPDX-License-Identifier: MIT
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 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: 2 for Variable, 1 is deprecated (changed on v3.2.0)
   * @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 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 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 (Deprecated on v3.2.0), 2 for Variable
   * @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 @note deprecated on v3.2.0
   * @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 deficit of a reserve is covered.
   * @param reserve The address of the underlying asset of the reserve
   * @param caller The caller that triggered the DeficitCovered event
   * @param amountCovered The amount of deficit covered
   */
  event DeficitCovered(address indexed reserve, address caller, uint256 amountCovered);

  /**
   * @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);

  /**
   * @dev Emitted when deficit is realized on a liquidation.
   * @param user The user address where the bad debt will be burned
   * @param debtAsset The address of the underlying borrowed asset to be burned
   * @param amountCreated The amount of deficit created
   */
  event DeficitCreated(address indexed user, address indexed debtAsset, uint256 amountCreated);

  /**
   * @dev Emitted when a position manager is approved by the user.
   * @param user The user address
   * @param positionManager The address of the position manager
   */
  event PositionManagerApproved(address indexed user, address indexed positionManager);

  /**
   * @dev Emitted when a position manager is revoked by the user.
   * @param user The user address
   * @param positionManager The address of the position manager
   */
  event PositionManagerRevoked(address indexed user, address indexed positionManager);

  /**
   * @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 VariableDebtToken
   * - E.g. User borrows 100 USDC passing as `onBehalfOf` his own address, receiving the 100 USDC in his wallet
   *   and 100 variable debt tokens
   * @param asset The address of the underlying asset to borrow
   * @param amount The amount to be borrowed
   * @param interestRateMode 2 for Variable, 1 is deprecated on v3.2.0
   * @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 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 2 for Variable, 1 is deprecated on v3.2.0
   * @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 2 for Variable, 1 is deprecated on v3.2.0
   * @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 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 DEPRECATED in v3.2.0
   * @return The final amount repaid
   */
  function repayWithATokens(
    address asset,
    uint256 amount,
    uint256 interestRateMode
  ) external returns (uint256);

  /**
   * @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 borrower 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 borrower,
    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 -> Deprecated on v3.2.0
   *   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 2 on `modes`
   * @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
   * @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 variableDebtAddress The address of the VariableDebtToken that will be assigned to the reserve
   */
  function initReserve(address asset, address aTokenAddress, address variableDebtAddress) external;

  /**
   * @notice Drop a reserve
   * @dev Only callable by the PoolConfigurator contract
   * @dev Does not reset eMode flags, which must be considered when reusing the same reserve id for a different reserve.
   * @param asset The address of the underlying asset of the reserve
   */
  function dropReserve(address asset) external;

  /**
   * @notice Accumulates interest to all indexes of the reserve
   * @dev Only callable by the PoolConfigurator contract
   * @dev To be used when required by the configurator, for example when updating interest rates strategy data
   * @param asset The address of the underlying asset of the reserve
   */
  function syncIndexesState(address asset) external;

  /**
   * @notice Updates interest rates on the reserve data
   * @dev Only callable by the PoolConfigurator contract
   * @dev To be used when required by the configurator, for example when updating interest rates strategy data
   * @param asset The address of the underlying asset of the reserve
   */
  function syncRatesState(address asset) 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.ReserveDataLegacy memory);

  /**
   * @notice Returns the virtual underlying balance of the reserve
   * @param asset The address of the underlying asset of the reserve
   * @return The reserve virtual underlying balance
   */
  function getVirtualUnderlyingBalance(address asset) external view returns (uint128);

  /**
   * @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 scaledAmount The scaled amount being transferred/withdrawn
   * @param scaledBalanceFromBefore The aToken scaled balance of the `from` user before the transfer
   * @param scaledBalanceToBefore The aToken scaled balance of the `to` user before the transfer
   */
  function finalizeTransfer(
    address asset,
    address from,
    address to,
    uint256 scaledAmount,
    uint256 scaledBalanceFromBefore,
    uint256 scaledBalanceToBefore
  ) 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 number of initialized reserves
   * @dev It includes dropped reserves
   * @return The count
   */
  function getReservesCount() external view returns (uint256);

  /**
   * @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 Returns the ReserveInterestRateStrategy connected to all the reserves
   * @return The address of the ReserveInterestRateStrategy contract
   */
  function RESERVE_INTEREST_RATE_STRATEGY() external view returns (address);

  /**
   * @notice Updates flash loan premium. All this premium is collected by the protocol treasury.
   * @dev The premium is calculated on the total borrowed amount
   * @dev Only callable by the PoolConfigurator contract
   * @param flashLoanPremium The flash loan premium, expressed in bps
   */
  function updateFlashloanPremium(uint128 flashLoanPremium) external;

  /**
   * @notice Configures a new or alters an existing collateral configuration of an 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.EModeCategoryBaseConfiguration memory config
  ) external;

  /**
   * @notice Replaces the current eMode collateralBitmap.
   * @param id The id of the category
   * @param collateralBitmap The collateralBitmap of the category
   */
  function configureEModeCategoryCollateralBitmap(uint8 id, uint128 collateralBitmap) external;

  /**
   * @notice Replaces the current eMode borrowableBitmap.
   * @param id The id of the category
   * @param borrowableBitmap The borrowableBitmap of the category
   */
  function configureEModeCategoryBorrowableBitmap(uint8 id, uint128 borrowableBitmap) external;

  /**
   * @notice Returns the data of an eMode category
   * @dev DEPRECATED use independent getters instead
   * @param id The id of the category
   * @return The configuration data of the category
   */
  function getEModeCategoryData(
    uint8 id
  ) external view returns (DataTypes.EModeCategoryLegacy memory);

  /**
   * @notice Returns the label of an eMode category
   * @param id The id of the category
   * @return The label of the category
   */
  function getEModeCategoryLabel(uint8 id) external view returns (string memory);

  /**
   * @notice Returns the collateral config of an eMode category
   * @param id The id of the category
   * @return The ltv,lt,lb of the category
   */
  function getEModeCategoryCollateralConfig(
    uint8 id
  ) external view returns (DataTypes.CollateralConfig memory);

  /**
   * @notice Returns the collateralBitmap of an eMode category
   * @param id The id of the category
   * @return The collateralBitmap of the category
   */
  function getEModeCategoryCollateralBitmap(uint8 id) external view returns (uint128);

  /**
   * @notice Returns the borrowableBitmap of an eMode category
   * @param id The id of the category
   * @return The borrowableBitmap of the category
   */
  function getEModeCategoryBorrowableBitmap(uint8 id) external view returns (uint128);

  /**
   * @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 Sets the liquidation grace period of the given asset
   * @dev To enable a liquidation grace period, a timestamp in the future should be set,
   *      To disable a liquidation grace period, any timestamp in the past works, like 0
   * @param asset The address of the underlying asset to set the liquidationGracePeriod
   * @param until Timestamp when the liquidation grace period will end
   **/
  function setLiquidationGracePeriod(address asset, uint40 until) external;

  /**
   * @notice Returns the liquidation grace period of the given asset
   * @param asset The address of the underlying asset
   * @return Timestamp when the liquidation grace period will end
   **/
  function getLiquidationGracePeriod(address asset) external view returns (uint40);

  /**
   * @notice Returns the total fee on flash loans.
   * @dev From v3.4 all flashloan fees will be send to the treasury.
   * @return The total fee on flashloans
   */
  function FLASHLOAN_PREMIUM_TOTAL() external view returns (uint128);

  /**
   * @notice Returns the part of the flashloan fees sent to protocol
   * @dev From v3.4 all flashloan fees will be send to the treasury and this value
   *      is always 100_00.
   * @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;

  /**
   * @notice It covers the deficit of a specified reserve by burning the equivalent aToken `amount` for assets
   * @dev The deficit of a reserve can occur due to situations where borrowed assets are not repaid, leading to bad debt.
   * @param asset The address of the underlying asset to cover the deficit.
   * @param amount The amount to be covered, in aToken
   * @return The amount of tokens burned
   */
  function eliminateReserveDeficit(address asset, uint256 amount) external returns (uint256);

  /**
   * @notice Approves or disapproves a position manager. This position manager will be able
   * to call the `setUserUseReserveAsCollateralOnBehalfOf` and the
   * `setUserEModeOnBehalfOf` function on behalf of the user.
   * @param positionManager The address of the position manager
   * @param approve True if the position manager should be approved, false otherwise
   */
  function approvePositionManager(address positionManager, bool approve) external;

  /**
   * @notice Renounces a position manager role for a given user.
   * @param user The address of the user
   */
  function renouncePositionManagerRole(address user) external;

  /**
   * @notice Sets the use as collateral flag for the user on the specific reserve on behalf of the user.
   * @param asset The address of the underlying asset of the reserve
   * @param useAsCollateral True if the user wants to use the reserve as collateral, false otherwise
   * @param onBehalfOf The address of the user
   */
  function setUserUseReserveAsCollateralOnBehalfOf(
    address asset,
    bool useAsCollateral,
    address onBehalfOf
  ) external;

  /**
   * @notice Sets the eMode category for the user on the specific reserve on behalf of the user.
   * @param categoryId The id of the category
   * @param onBehalfOf The address of the user
   */
  function setUserEModeOnBehalfOf(uint8 categoryId, address onBehalfOf) external;

  /*
   * @notice Returns true if the `positionManager` address is approved to use the position manager role on behalf of the user.
   * @param user The address of the user
   * @param positionManager The address of the position manager
   * @return True if the user is approved to use the position manager, false otherwise
   */
  function isApprovedPositionManager(
    address user,
    address positionManager
  ) external view returns (bool);

  /**
   * @notice Returns the current deficit of a reserve.
   * @param asset The address of the underlying asset of the reserve
   * @return The current deficit of the reserve
   */
  function getReserveDeficit(address asset) external view returns (uint256);

  /**
   * @notice Returns the aToken address of a reserve.
   * @param asset The address of the underlying asset of the reserve
   * @return The address of the aToken
   */
  function getReserveAToken(address asset) external view returns (address);

  /**
   * @notice Returns the variableDebtToken address of a reserve.
   * @param asset The address of the underlying asset of the reserve
   * @return The address of the variableDebtToken
   */
  function getReserveVariableDebtToken(address asset) external view returns (address);

  /**
   * @notice Gets the address of the external FlashLoanLogic
   */
  function getFlashLoanLogic() external view returns (address);

  /**
   * @notice Gets the address of the external BorrowLogic
   */
  function getBorrowLogic() external view returns (address);

  /**
   * @notice Gets the address of the external EModeLogic
   */
  function getEModeLogic() external view returns (address);

  /**
   * @notice Gets the address of the external LiquidationLogic
   */
  function getLiquidationLogic() external view returns (address);

  /**
   * @notice Gets the address of the external PoolLogic
   */
  function getPoolLogic() external view returns (address);

  /**
   * @notice Gets the address of the external SupplyLogic
   */
  function getSupplyLogic() external view returns (address);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import {ConfiguratorInputTypes} from '../protocol/libraries/types/ConfiguratorInputTypes.sol';
import {IDefaultInterestRateStrategyV2} from './IDefaultInterestRateStrategyV2.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, DEPRECATED in v3.2.0
   * @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 ltv is set for the frozen asset.
   * @param asset The address of the underlying asset of the reserve
   * @param ltv The loan to value of the asset when used as collateral
   */
  event PendingLtvChanged(address indexed asset, uint256 ltv);

  /**
   * @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 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 liquidation grace period is updated.
   * @param asset The address of the underlying asset of the reserve
   * @param gracePeriodUntil Timestamp until when liquidations will not be allowed post-unpause
   */
  event LiquidationGracePeriodChanged(address indexed asset, uint40 gracePeriodUntil);

  /**
   * @dev Emitted when the liquidation grace period is disabled.
   * @param asset The address of the underlying asset of the reserve
   */
  event LiquidationGracePeriodDisabled(address indexed asset);

  /**
   * @dev Emitted when an collateral configuration of an asset in an eMode is changed.
   * @param asset The address of the underlying asset of the reserve
   * @param categoryId The eMode category
   * @param collateral True if the asset is enabled as collateral in the eMode, false otherwise.
   */
  event AssetCollateralInEModeChanged(address indexed asset, uint8 categoryId, bool collateral);

  /**
   * @dev Emitted when the borrowable configuration of an asset in an eMode changed.
   * @param asset The address of the underlying asset of the reserve
   * @param categoryId The eMode category
   * @param borrowable True if the asset is enabled as borrowable in the eMode, false otherwise.
   */
  event AssetBorrowableInEModeChanged(address indexed asset, uint8 categoryId, bool borrowable);

  /**
   * @dev Emitted when a new eMode category is added or an existing category is altered.
   * @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 DEPRECATED in v3.2.0
   * @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 the data of a reserve interest strategy contract is updated.
   * @param asset The address of the underlying asset of the reserve
   * @param data abi encoded data
   */
  event ReserveInterestRateDataChanged(address indexed asset, address indexed strategy, bytes data);

  /**
   * @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 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.
          Deprecated, from the v3.4 version the `flashloanPremiumToProtocol` value
          is always 100%.
   * @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 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.
   * @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 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
   * @param gracePeriod Count of seconds after unpause during which liquidations will not be available
   *   - Only applicable whenever unpausing (`paused` as false)
   *   - Passing 0 means no grace period
   *   - Capped to maximum MAX_GRACE_PERIOD
   */
  function setReservePause(address asset, bool paused, uint40 gracePeriod) external;

  /**
   * @notice Pauses a reserve. A paused reserve does not allow any interaction (supply, borrow, repay,
   * swap interest rate, liquidate, atoken transfers).
   * @dev Version with no grace period
   * @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 Disables liquidation grace period for the asset. The liquidation grace period is set in the past
   * so that liquidations are allowed for the asset.
   * @param asset The address of the underlying asset of the reserve
   */
  function disableLiquidationGracePeriod(address asset) 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 interest rate data for a reserve
   * @param asset The address of the underlying asset of the reserve
   * @param rateData bytes-encoded rate data. In this format in order to allow the rate strategy contract
   *  to de-structure custom data
   */
  function setReserveInterestRateData(address asset, bytes calldata rateData) 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
   * @param gracePeriod Count of seconds after unpause during which liquidations will not be available
   *   - Only applicable whenever unpausing (`paused` as false)
   *   - Passing 0 means no grace period
   *   - Capped to maximum MAX_GRACE_PERIOD
   */
  function setPoolPause(bool paused, uint40 gracePeriod) external;

  /**
   * @notice Pauses or unpauses all the protocol reserves. In the paused state all the protocol interactions
   * are suspended.
   * @dev Version with no grace period
   * @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 Enables/disables an asset to be borrowable in a selected eMode.
   * - eMode.borrowable always has less priority then reserve.borrowable
   * @param asset The address of the underlying asset of the reserve
   * @param categoryId The eMode categoryId
   * @param borrowable True if the asset should be borrowable in the given eMode category, false otherwise.
   */
  function setAssetBorrowableInEMode(address asset, uint8 categoryId, bool borrowable) external;

  /**
   * @notice Enables/disables an asset to be collateral in a selected eMode.
   * @param asset The address of the underlying asset of the reserve
   * @param categoryId The eMode categoryId
   * @param collateral True if the asset should be collateral in the given eMode category, false otherwise.
   */
  function setAssetCollateralInEMode(address asset, uint8 categoryId, bool collateral) external;

  /**
   * @notice Adds a new efficiency mode (eMode) category or alters a existing one.
   * @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 label A label identifying the category
   */
  function setEModeCategory(
    uint8 categoryId,
    uint16 ltv,
    uint16 liquidationThreshold,
    uint16 liquidationBonus,
    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 flash loan premium. All this premium
   *         will be collected by the treasury.
   * @dev Expressed in bps
   * @dev The premium is calculated on the total amount borrowed
   * @param newFlashloanPremium The flashloan premium
   */
  function updateFlashloanPremium(uint128 newFlashloanPremium) 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;

  /**
   * @notice Gets pending ltv value
   * @param asset The new siloed borrowing state
   */
  function getPendingLtv(address asset) external view returns (uint256);

  /**
   * @notice Gets the address of the external ConfiguratorLogic
   */
  function getConfiguratorLogic() external view returns (address);

  /**
   * @notice Gets the maximum liquidations grace period allowed, in seconds
   */
  function MAX_GRACE_PERIOD() external view returns (uint40);
}

// SPDX-License-Identifier: MIT
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: MIT
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: MIT
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: MIT
pragma solidity ^0.8.0;

import {IPoolAddressesProvider} from './IPoolAddressesProvider.sol';
import {IPool} from './IPool.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 address for the Pool contract.
   * @return The address for the Pool contract
   */
  function POOL() external view returns (IPool);

  /**
   * @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 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 0, DEPRECATED in v3.4.0
   */
  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 DEPRECATED in v3.2.0
   * @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);

  /**
   * @notice Returns whether virtual accounting is enabled/not for a reserve
   * @param asset The address of the underlying asset of the reserve
   * @return True, DEPRECATED in v3.4.0 as all reserves have virtual accounting set as active
   */
  function getIsVirtualAccActive(address asset) external view returns (bool);

  /**
   * @notice Returns the virtual underlying balance of the reserve
   * @param asset The address of the underlying asset of the reserve
   * @return The reserve virtual underlying balance
   */
  function getVirtualUnderlyingBalance(address asset) external view returns (uint256);

  /**
   * @notice Returns the deficit of the reserve
   * @param asset The address of the underlying asset of the reserve
   * @return The reserve deficit
   */
  function getReserveDeficit(address asset) external view returns (uint256);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import {IReserveInterestRateStrategy} from './IReserveInterestRateStrategy.sol';
import {IPoolAddressesProvider} from './IPoolAddressesProvider.sol';

/**
 * @title IDefaultInterestRateStrategyV2
 * @author BGD Labs
 * @notice Interface of the default interest rate strategy used by the Aave protocol
 */
interface IDefaultInterestRateStrategyV2 is IReserveInterestRateStrategy {
  /**
   * @notice Holds the interest rate data for a given reserve
   *
   * @dev Since values are in bps, they are multiplied by 1e23 in order to become rays with 27 decimals. This
   * in turn means that the maximum supported interest rate is 4294967295 (2**32-1) bps or 42949672.95%.
   *
   * @param optimalUsageRatio The optimal usage ratio, in bps
   * @param baseVariableBorrowRate The base variable borrow rate, in bps
   * @param variableRateSlope1 The slope of the variable interest curve, before hitting the optimal ratio, in bps
   * @param variableRateSlope2 The slope of the variable interest curve, after hitting the optimal ratio, in bps
   */
  struct InterestRateData {
    uint16 optimalUsageRatio;
    uint32 baseVariableBorrowRate;
    uint32 variableRateSlope1;
    uint32 variableRateSlope2;
  }

  /**
   * @notice The interest rate data, where all values are in ray (fixed-point 27 decimal numbers) for a given reserve,
   * used in in-memory calculations.
   *
   * @param optimalUsageRatio The optimal usage ratio
   * @param baseVariableBorrowRate The base variable borrow rate
   * @param variableRateSlope1 The slope of the variable interest curve, before hitting the optimal ratio
   * @param variableRateSlope2 The slope of the variable interest curve, after hitting the optimal ratio
   */
  struct InterestRateDataRay {
    uint256 optimalUsageRatio;
    uint256 baseVariableBorrowRate;
    uint256 variableRateSlope1;
    uint256 variableRateSlope2;
  }

  /**
   * @notice emitted when new interest rate data is set in a reserve
   *
   * @param reserve address of the reserve that has new interest rate data set
   * @param optimalUsageRatio The optimal usage ratio, in bps
   * @param baseVariableBorrowRate The base variable borrow rate, in bps
   * @param variableRateSlope1 The slope of the variable interest curve, before hitting the optimal ratio, in bps
   * @param variableRateSlope2 The slope of the variable interest curve, after hitting the optimal ratio, in bps
   */
  event RateDataUpdate(
    address indexed reserve,
    uint256 optimalUsageRatio,
    uint256 baseVariableBorrowRate,
    uint256 variableRateSlope1,
    uint256 variableRateSlope2
  );

  /**
   * @notice Returns the address of the PoolAddressesProvider
   * @return The address of the PoolAddressesProvider contract
   */
  function ADDRESSES_PROVIDER() external view returns (IPoolAddressesProvider);

  /**
   * @notice Returns the maximum value achievable for variable borrow rate, in bps
   * @return The maximum rate
   */
  function MAX_BORROW_RATE() external view returns (uint256);

  /**
   * @notice Returns the minimum optimal point, in bps
   * @return The optimal point
   */
  function MIN_OPTIMAL_POINT() external view returns (uint256);

  /**
   * @notice Returns the maximum optimal point, in bps
   * @return The optimal point
   */
  function MAX_OPTIMAL_POINT() external view returns (uint256);

  /**
   * notice Returns the full InterestRateData object for the given reserve, in ray
   *
   * @param reserve The reserve to get the data of
   *
   * @return The InterestRateDataRay object for the given reserve
   */
  function getInterestRateData(address reserve) external view returns (InterestRateDataRay memory);

  /**
   * notice Returns the full InterestRateDataRay object for the given reserve, in bps
   *
   * @param reserve The reserve to get the data of
   *
   * @return The InterestRateData object for the given reserve
   */
  function getInterestRateDataBps(address reserve) external view returns (InterestRateData memory);

  /**
   * @notice Returns the optimal usage rate for the given reserve in ray
   *
   * @param reserve The reserve to get the optimal usage rate of
   *
   * @return The optimal usage rate is the level of borrow / collateral at which the borrow rate
   */
  function getOptimalUsageRatio(address reserve) external view returns (uint256);

  /**
   * @notice Returns the variable rate slope below optimal usage ratio in ray
   * @dev It's the variable rate when usage ratio > 0 and <= OPTIMAL_USAGE_RATIO
   *
   * @param reserve The reserve to get the variable rate slope 1 of
   *
   * @return The variable rate slope
   */
  function getVariableRateSlope1(address reserve) external view returns (uint256);

  /**
   * @notice Returns the variable rate slope above optimal usage ratio in ray
   * @dev It's the variable rate when usage ratio > OPTIMAL_USAGE_RATIO
   *
   * @param reserve The reserve to get the variable rate slope 2 of
   *
   * @return The variable rate slope
   */
  function getVariableRateSlope2(address reserve) external view returns (uint256);

  /**
   * @notice Returns the base variable borrow rate, in ray
   *
   * @param reserve The reserve to get the base variable borrow rate of
   *
   * @return The base variable borrow rate
   */
  function getBaseVariableBorrowRate(address reserve) external view returns (uint256);

  /**
   * @notice Returns the maximum variable borrow rate, in ray
   *
   * @param reserve The reserve to get the maximum variable borrow rate of
   *
   * @return The maximum variable borrow rate
   */
  function getMaxVariableBorrowRate(address reserve) external view returns (uint256);

  /**
   * @notice Sets interest rate data for an Aave rate strategy
   * @param reserve The reserve to update
   * @param rateData The reserve interest rate data to apply to the given reserve
   *   Being specific to this custom implementation, with custom struct type,
   *   overloading the function on the generic interface
   */
  function setInterestRateParams(address reserve, InterestRateData calldata rateData) external;
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import {DataTypes} from '../protocol/libraries/types/DataTypes.sol';

/**
 * @title IReserveInterestRateStrategy
 * @author BGD Labs
 * @notice Basic interface for any rate strategy used by the Aave protocol
 */
interface IReserveInterestRateStrategy {
  /**
   * @notice Sets interest rate data for an Aave rate strategy
   * @param reserve The reserve to update
   * @param rateData The abi encoded reserve interest rate data to apply to the given reserve
   *   Abstracted this way as rate strategies can be custom
   */
  function setInterestRateParams(address reserve, bytes calldata rateData) external;

  /**
   * @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 ray
   * @return variableBorrowRate The variable borrow rate expressed in ray
   */
  function calculateInterestRates(
    DataTypes.CalculateInterestRatesParams memory params
  ) external view returns (uint256, uint256);
}

// SPDX-License-Identifier: MIT
// Chainlink Contracts v0.8
pragma solidity ^0.8.0;

interface AggregatorInterface {
  function decimals() external view returns (uint8);

  function description() external view returns (string memory);

  function getRoundData(
    uint80 _roundId
  )
    external
    view
    returns (
      uint80 roundId,
      int256 answer,
      uint256 startedAt,
      uint256 updatedAt,
      uint80 answeredInRound
    );

  function latestRoundData()
    external
    view
    returns (
      uint80 roundId,
      int256 answer,
      uint256 startedAt,
      uint256 updatedAt,
      uint80 answeredInRound
    );

  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: MIT
pragma solidity ^0.8.0;

import {IERC20} from 'openzeppelin-contracts/contracts/token/ERC20/IERC20.sol';

interface ICollector {
  struct Stream {
    uint256 deposit;
    uint256 ratePerSecond;
    uint256 remainingBalance;
    uint256 startTime;
    uint256 stopTime;
    address recipient;
    address sender;
    address tokenAddress;
    bool isEntity;
  }

  /**
   * @dev Withdraw amount exceeds available balance
   */
  error BalanceExceeded();

  /**
   * @dev Deposit smaller than time delta
   */
  error DepositSmallerTimeDelta();

  /**
   * @dev Deposit not multiple of time delta
   */
  error DepositNotMultipleTimeDelta();

  /**
   * @dev Recipient cannot be the contract itself or msg.sender
   */
  error InvalidRecipient();

  /**
   * @dev Start time cannot be before block.timestamp
   */
  error InvalidStartTime();

  /**
   * @dev Stop time must be greater than startTime
   */
  error InvalidStopTime();

  /**
   * @dev Provided address cannot be the zero-address
   */
  error InvalidZeroAddress();

  /**
   * @dev Amount cannot be zero
   */
  error InvalidZeroAmount();

  /**
   * @dev Only caller with FUNDS_ADMIN role can call
   */
  error OnlyFundsAdmin();

  /**
   * @dev Only caller with FUNDS_ADMIN role or stream recipient can call
   */
  error OnlyFundsAdminOrRecipient();

  /**
   * @dev The provided ID does not belong to an existing stream
   */
  error StreamDoesNotExist();

  /** @notice Emitted when the new stream is created
   * @param streamId The identifier of the stream.
   * @param sender The address of the collector.
   * @param recipient The address towards which the money is streamed.
   * @param deposit The amount of money to be streamed.
   * @param tokenAddress The ERC20 token to use as streaming currency.
   * @param startTime The unix timestamp for when the stream starts.
   * @param stopTime The unix timestamp for when the stream stops.
   **/
  event CreateStream(
    uint256 indexed streamId,
    address indexed sender,
    address indexed recipient,
    uint256 deposit,
    address tokenAddress,
    uint256 startTime,
    uint256 stopTime
  );

  /**
   * @notice Emmitted when withdraw happens from the contract to the recipient's account.
   * @param streamId The id of the stream to withdraw tokens from.
   * @param recipient The address towards which the money is streamed.
   * @param amount The amount of tokens to withdraw.
   */
  event WithdrawFromStream(uint256 indexed streamId, address indexed recipient, uint256 amount);

  /**
   * @notice Emmitted when the stream is canceled.
   * @param streamId The id of the stream to withdraw tokens from.
   * @param sender The address of the collector.
   * @param recipient The address towards which the money is streamed.
   * @param senderBalance The sender's balance at the moment of cancelling.
   * @param recipientBalance The recipient's balance at the moment of cancelling.
   */
  event CancelStream(
    uint256 indexed streamId,
    address indexed sender,
    address indexed recipient,
    uint256 senderBalance,
    uint256 recipientBalance
  );

  /**
   * @notice FUNDS_ADMIN role granted by ACL Manager
   **/
  function FUNDS_ADMIN_ROLE() external view returns (bytes32);

  /** @notice Returns the mock ETH reference address
   * @return address The address
   **/
  function ETH_MOCK_ADDRESS() external pure returns (address);

  /**
   * @notice Checks if address is funds admin
   * @return bool If the address has the funds admin role
   **/
  function isFundsAdmin(address admin) external view returns (bool);

  /**
   * @notice Returns the available funds for the given stream id and address.
   * @param streamId The id of the stream for which to query the balance.
   * @param who The address for which to query the balance.
   * @notice Returns the total funds allocated to `who` as uint256.
   **/
  function balanceOf(uint256 streamId, address who) external view returns (uint256 balance);

  /**
   * @dev Function for the funds admin to give ERC20 allowance to other parties
   * @param token The address of the token to give allowance from
   * @param recipient Allowance's recipient
   * @param amount Allowance to approve
   **/
  function approve(IERC20 token, address recipient, uint256 amount) external;

  /**
   * @notice Function for the funds admin to transfer ERC20 tokens to other parties
   * @param token The address of the token to transfer
   * @param recipient Transfer's recipient
   * @param amount Amount to transfer
   **/
  function transfer(IERC20 token, address recipient, uint256 amount) external;

  /**
   * @notice Creates a new stream funded by this contracts itself and paid towards `recipient`.
   * @param recipient The address towards which the money is streamed.
   * @param deposit The amount of money to be streamed.
   * @param tokenAddress The ERC20 token to use as streaming currency.
   * @param startTime The unix timestamp for when the stream starts.
   * @param stopTime The unix timestamp for when the stream stops.
   * @return streamId the uint256 id of the newly created stream.
   */
  function createStream(
    address recipient,
    uint256 deposit,
    address tokenAddress,
    uint256 startTime,
    uint256 stopTime
  ) external returns (uint256 streamId);

  /**
   * @notice Returns the stream with all its properties.
   * @dev Throws if the id does not point to a valid stream.
   * @param streamId The id of the stream to query.
   * @notice Returns the stream object.
   */
  function getStream(
    uint256 streamId
  )
    external
    view
    returns (
      address sender,
      address recipient,
      uint256 deposit,
      address tokenAddress,
      uint256 startTime,
      uint256 stopTime,
      uint256 remainingBalance,
      uint256 ratePerSecond
    );

  /**
   * @notice Withdraws from the contract to the recipient's account.
   * @param streamId The id of the stream to withdraw tokens from.
   * @param amount The amount of tokens to withdraw.
   * @return bool Returns true if successful.
   */
  function withdrawFromStream(uint256 streamId, uint256 amount) external returns (bool);

  /**
   * @notice Cancels the stream and transfers the tokens back on a pro rata basis.
   * @param streamId The id of the stream to cancel.
   * @return bool Returns true if successful.
   */
  function cancelStream(uint256 streamId) external returns (bool);

  /**
   * @notice Returns the next available stream id
   * @return nextStreamId Returns the stream id.
   */
  function getNextStreamId() external view returns (uint256);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
  /**
   * @dev Returns the amount of tokens in existence.
   */
  function totalSupply() external view returns (uint256);

  /**
   * @dev Returns the amount of tokens owned by `account`.
   */
  function balanceOf(address account) external view returns (uint256);

  /**
   * @dev Moves `amount` tokens from the caller's account to `recipient`.
   *
   * Returns a boolean value indicating whether the operation succeeded.
   *
   * Emits a {Transfer} event.
   */
  function transfer(address recipient, uint256 amount) external returns (bool);

  /**
   * @dev Returns the remaining number of tokens that `spender` will be
   * allowed to spend on behalf of `owner` through {transferFrom}. This is
   * zero by default.
   *
   * This value changes when {approve} or {transferFrom} are called.
   */
  function allowance(address owner, address spender) external view returns (uint256);

  /**
   * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
   *
   * Returns a boolean value indicating whether the operation succeeded.
   *
   * IMPORTANT: Beware that changing an allowance with this method brings the risk
   * that someone may use both the old and the new allowance by unfortunate
   * transaction ordering. One possible solution to mitigate this race
   * condition is to first reduce the spender's allowance to 0 and set the
   * desired value afterwards:
   * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
   *
   * Emits an {Approval} event.
   */
  function approve(address spender, uint256 amount) external returns (bool);

  /**
   * @dev Moves `amount` tokens from `sender` to `recipient` using the
   * allowance mechanism. `amount` is then deducted from the caller's
   * allowance.
   *
   * Returns a boolean value indicating whether the operation succeeded.
   *
   * Emits a {Transfer} event.
   */
  function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);

  /**
   * @dev Emitted when `value` tokens are moved from one account (`from`) to
   * another (`to`).
   *
   * Note that `value` may be zero.
   */
  event Transfer(address indexed from, address indexed to, uint256 value);

  /**
   * @dev Emitted when the allowance of a `spender` for an `owner` is set by
   * a call to {approve}. `value` is the new allowance.
   */
  event Approval(address indexed owner, address indexed spender, uint256 value);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

/**
 * @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);
}

File 21 of 23 : IInitializableAToken.sol
// SPDX-License-Identifier: MIT
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 underlyingAsset The address of the underlying asset of this aToken (E.g. WETH for aWETH)
   * @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 underlyingAsset,
    uint8 aTokenDecimals,
    string calldata aTokenName,
    string calldata aTokenSymbol,
    bytes calldata params
  ) external;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.20;

/**
 * @dev Interface of the ERC-20 standard as defined in the ERC.
 */
interface IERC20 {
    /**
     * @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);

    /**
     * @dev Returns the value of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the value of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves a `value` amount of tokens from the caller's account to `to`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address to, uint256 value) 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 a `value` amount of tokens 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 value) external returns (bool);

    /**
     * @dev Moves a `value` amount of tokens from `from` to `to` using the
     * allowance mechanism. `value` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(address from, address to, uint256 value) external returns (bool);
}

// SPDX-License-Identifier: MIT
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;
}

Settings
{
  "remappings": [
    "forge-std/=lib/forge-std/src/",
    "aave-address-book/=lib/aave-address-book/src/",
    "cl-synchronicity-price-adapter/=lib/cl-synchronicity-price-adapter/src/",
    "aave-helpers/=lib/aave-helpers/src/",
    "solidity-utils/=lib/aave-address-book/lib/aave-v3-origin/lib/solidity-utils/src/",
    "aave-v3-origin/=lib/aave-address-book/lib/aave-v3-origin/src/",
    "@openzeppelin/contracts-upgradeable/=lib/aave-address-book/lib/aave-v3-origin/lib/solidity-utils/lib/openzeppelin-contracts-upgradeable/contracts/",
    "@openzeppelin/contracts/=lib/aave-address-book/lib/aave-v3-origin/lib/solidity-utils/lib/openzeppelin-contracts-upgradeable/lib/openzeppelin-contracts/contracts/",
    "aave-v3-origin-tests/=lib/aave-helpers/lib/aave-address-book/lib/aave-v3-origin/tests/",
    "ds-test/=lib/cl-synchronicity-price-adapter/lib/forge-std/lib/ds-test/src/",
    "erc4626-tests/=lib/aave-address-book/lib/aave-v3-origin/lib/solidity-utils/lib/openzeppelin-contracts-upgradeable/lib/erc4626-tests/",
    "halmos-cheatcodes/=lib/aave-address-book/lib/aave-v3-origin/lib/solidity-utils/lib/openzeppelin-contracts-upgradeable/lib/halmos-cheatcodes/src/",
    "openzeppelin-contracts-upgradeable/=lib/aave-address-book/lib/aave-v3-origin/lib/solidity-utils/lib/openzeppelin-contracts-upgradeable/",
    "openzeppelin-contracts/=lib/aave-address-book/lib/aave-v3-origin/lib/solidity-utils/lib/openzeppelin-contracts-upgradeable/lib/openzeppelin-contracts/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "ipfs",
    "appendCBOR": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "shanghai",
  "viaIR": false
}

Contract Security Audit

Contract ABI

API
[{"inputs":[{"internalType":"address","name":"_aclManager","type":"address"},{"internalType":"uint8","name":"_decimals","type":"uint8"},{"internalType":"int256","name":"_adapterPrice","type":"int256"},{"internalType":"string","name":"_adapterDescription","type":"string"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"ACLManagerIsZeroAddress","type":"error"},{"inputs":[],"name":"CallerIsNotPoolAdmin","type":"error"},{"inputs":[],"name":"InvalidPrice","type":"error"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"int256","name":"currentPrice","type":"int256"},{"indexed":false,"internalType":"int256","name":"newPrice","type":"int256"}],"name":"FixedPriceUpdated","type":"event"},{"inputs":[],"name":"ACL_MANAGER","outputs":[{"internalType":"contract IACLManager","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"DECIMALS","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"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":"latestAnswer","outputs":[{"internalType":"int256","name":"","type":"int256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"price","outputs":[{"internalType":"int256","name":"","type":"int256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"int256","name":"newPrice","type":"int256"}],"name":"setPrice","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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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)

000000000000000000000000bf32c7dfc72b730967072b112927ca0de205dbb500000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000005f5e1000000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000000e4669786564206d5553442f555344000000000000000000000000000000000000

-----Decoded View---------------
Arg [0] : _aclManager (address): 0xbf32c7dFC72b730967072B112927ca0de205dbb5
Arg [1] : _decimals (uint8): 8
Arg [2] : _adapterPrice (int256): 100000000
Arg [3] : _adapterDescription (string): Fixed mUSD/USD

-----Encoded View---------------
6 Constructor Arguments found :
Arg [0] : 000000000000000000000000bf32c7dfc72b730967072b112927ca0de205dbb5
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000008
Arg [2] : 0000000000000000000000000000000000000000000000000000000005f5e100
Arg [3] : 0000000000000000000000000000000000000000000000000000000000000080
Arg [4] : 000000000000000000000000000000000000000000000000000000000000000e
Arg [5] : 4669786564206d5553442f555344000000000000000000000000000000000000


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