// File: lib/aave-address-book/lib/aave-v3-core/contracts/interfaces/IACLManager.sol



// SPDX-License-Identifier: AGPL-3.0
pragma solidity ^0.8.0;

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

/**
 * @title IACLManager
 * @author Aave
 * @notice Defines the basic interface for the ACL Manager
 */
interface IACLManager {
  /**
   * @notice Returns the contract address of the PoolAddressesProvider
   * @return The address of the PoolAddressesProvider
   */
  function ADDRESSES_PROVIDER() external view returns (IPoolAddressesProvider);

  /**
   * @notice Returns the identifier of the PoolAdmin role
   * @return The id of the PoolAdmin role
   */
  function POOL_ADMIN_ROLE() external view returns (bytes32);

  /**
   * @notice Returns the identifier of the EmergencyAdmin role
   * @return The id of the EmergencyAdmin role
   */
  function EMERGENCY_ADMIN_ROLE() external view returns (bytes32);

  /**
   * @notice Returns the identifier of the RiskAdmin role
   * @return The id of the RiskAdmin role
   */
  function RISK_ADMIN_ROLE() external view returns (bytes32);

  /**
   * @notice Returns the identifier of the FlashBorrower role
   * @return The id of the FlashBorrower role
   */
  function FLASH_BORROWER_ROLE() external view returns (bytes32);

  /**
   * @notice Returns the identifier of the Bridge role
   * @return The id of the Bridge role
   */
  function BRIDGE_ROLE() external view returns (bytes32);

  /**
   * @notice Returns the identifier of the AssetListingAdmin role
   * @return The id of the AssetListingAdmin role
   */
  function ASSET_LISTING_ADMIN_ROLE() external view returns (bytes32);

  /**
   * @notice Set the role as admin of a specific role.
   * @dev By default the admin role for all roles is `DEFAULT_ADMIN_ROLE`.
   * @param role The role to be managed by the admin role
   * @param adminRole The admin role
   */
  function setRoleAdmin(bytes32 role, bytes32 adminRole) external;

  /**
   * @notice Adds a new admin as PoolAdmin
   * @param admin The address of the new admin
   */
  function addPoolAdmin(address admin) external;

  /**
   * @notice Removes an admin as PoolAdmin
   * @param admin The address of the admin to remove
   */
  function removePoolAdmin(address admin) external;

  /**
   * @notice Returns true if the address is PoolAdmin, false otherwise
   * @param admin The address to check
   * @return True if the given address is PoolAdmin, false otherwise
   */
  function isPoolAdmin(address admin) external view returns (bool);

  /**
   * @notice Adds a new admin as EmergencyAdmin
   * @param admin The address of the new admin
   */
  function addEmergencyAdmin(address admin) external;

  /**
   * @notice Removes an admin as EmergencyAdmin
   * @param admin The address of the admin to remove
   */
  function removeEmergencyAdmin(address admin) external;

  /**
   * @notice Returns true if the address is EmergencyAdmin, false otherwise
   * @param admin The address to check
   * @return True if the given address is EmergencyAdmin, false otherwise
   */
  function isEmergencyAdmin(address admin) external view returns (bool);

  /**
   * @notice Adds a new admin as RiskAdmin
   * @param admin The address of the new admin
   */
  function addRiskAdmin(address admin) external;

  /**
   * @notice Removes an admin as RiskAdmin
   * @param admin The address of the admin to remove
   */
  function removeRiskAdmin(address admin) external;

  /**
   * @notice Returns true if the address is RiskAdmin, false otherwise
   * @param admin The address to check
   * @return True if the given address is RiskAdmin, false otherwise
   */
  function isRiskAdmin(address admin) external view returns (bool);

  /**
   * @notice Adds a new address as FlashBorrower
   * @param borrower The address of the new FlashBorrower
   */
  function addFlashBorrower(address borrower) external;

  /**
   * @notice Removes an address as FlashBorrower
   * @param borrower The address of the FlashBorrower to remove
   */
  function removeFlashBorrower(address borrower) external;

  /**
   * @notice Returns true if the address is FlashBorrower, false otherwise
   * @param borrower The address to check
   * @return True if the given address is FlashBorrower, false otherwise
   */
  function isFlashBorrower(address borrower) external view returns (bool);

  /**
   * @notice Adds a new address as Bridge
   * @param bridge The address of the new Bridge
   */
  function addBridge(address bridge) external;

  /**
   * @notice Removes an address as Bridge
   * @param bridge The address of the bridge to remove
   */
  function removeBridge(address bridge) external;

  /**
   * @notice Returns true if the address is Bridge, false otherwise
   * @param bridge The address to check
   * @return True if the given address is Bridge, false otherwise
   */
  function isBridge(address bridge) external view returns (bool);

  /**
   * @notice Adds a new admin as AssetListingAdmin
   * @param admin The address of the new admin
   */
  function addAssetListingAdmin(address admin) external;

  /**
   * @notice Removes an admin as AssetListingAdmin
   * @param admin The address of the admin to remove
   */
  function removeAssetListingAdmin(address admin) external;

  /**
   * @notice Returns true if the address is AssetListingAdmin, false otherwise
   * @param admin The address to check
   * @return True if the given address is AssetListingAdmin, false otherwise
   */
  function isAssetListingAdmin(address admin) external view returns (bool);
}

// File: lib/aave-address-book/lib/aave-v3-core/contracts/interfaces/IAaveOracle.sol



// SPDX-License-Identifier: AGPL-3.0
pragma solidity ^0.8.0;

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

/**
 * @title IAaveOracle
 * @author Aave
 * @notice Defines the basic interface for the Aave Oracle
 */
interface IAaveOracle is IPriceOracleGetter {
  /**
   * @dev Emitted after the base currency is set
   * @param baseCurrency The base currency of used for price quotes
   * @param baseCurrencyUnit The unit of the base currency
   */
  event BaseCurrencySet(address indexed baseCurrency, uint256 baseCurrencyUnit);

  /**
   * @dev Emitted after the price source of an asset is updated
   * @param asset The address of the asset
   * @param source The price source of the asset
   */
  event AssetSourceUpdated(address indexed asset, address indexed source);

  /**
   * @dev Emitted after the address of fallback oracle is updated
   * @param fallbackOracle The address of the fallback oracle
   */
  event FallbackOracleUpdated(address indexed fallbackOracle);

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

  /**
   * @notice Sets or replaces price sources of assets
   * @param assets The addresses of the assets
   * @param sources The addresses of the price sources
   */
  function setAssetSources(address[] calldata assets, address[] calldata sources) external;

  /**
   * @notice Sets the fallback oracle
   * @param fallbackOracle The address of the fallback oracle
   */
  function setFallbackOracle(address fallbackOracle) external;

  /**
   * @notice Returns a list of prices from a list of assets addresses
   * @param assets The list of assets addresses
   * @return The prices of the given assets
   */
  function getAssetsPrices(address[] calldata assets) external view returns (uint256[] memory);

  /**
   * @notice Returns the address of the source for an asset address
   * @param asset The address of the asset
   * @return The address of the source
   */
  function getSourceOfAsset(address asset) external view returns (address);

  /**
   * @notice Returns the address of the fallback oracle
   * @return The address of the fallback oracle
   */
  function getFallbackOracle() external view returns (address);
}

// File: lib/aave-address-book/lib/aave-v3-core/contracts/interfaces/IDefaultInterestRateStrategy.sol



// SPDX-License-Identifier: AGPL-3.0
pragma solidity ^0.8.0;

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

/**
 * @title IDefaultInterestRateStrategy
 * @author Aave
 * @notice Defines the basic interface of the DefaultReserveInterestRateStrategy
 */
interface IDefaultInterestRateStrategy is IReserveInterestRateStrategy {
  /**
   * @notice Returns the usage ratio at which the pool aims to obtain most competitive borrow rates.
   * @return The optimal usage ratio, expressed in ray.
   */
  function OPTIMAL_USAGE_RATIO() external view returns (uint256);

  /**
   * @notice Returns the optimal stable to total debt ratio of the reserve.
   * @return The optimal stable to total debt ratio, expressed in ray.
   */
  function OPTIMAL_STABLE_TO_TOTAL_DEBT_RATIO() external view returns (uint256);

  /**
   * @notice Returns the excess usage ratio above the optimal.
   * @dev It's always equal to 1-optimal usage ratio (added as constant for gas optimizations)
   * @return The max excess usage ratio, expressed in ray.
   */
  function MAX_EXCESS_USAGE_RATIO() external view returns (uint256);

  /**
   * @notice Returns the excess stable debt ratio above the optimal.
   * @dev It's always equal to 1-optimal stable to total debt ratio (added as constant for gas optimizations)
   * @return The max excess stable to total debt ratio, expressed in ray.
   */
  function MAX_EXCESS_STABLE_TO_TOTAL_DEBT_RATIO() external view returns (uint256);

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

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

  /**
   * @notice Returns the variable rate slope above optimal usage ratio
   * @dev It's the variable rate when usage ratio > OPTIMAL_USAGE_RATIO
   * @return The variable rate slope, expressed in ray
   */
  function getVariableRateSlope2() external view returns (uint256);

  /**
   * @notice Returns the stable rate slope below optimal usage ratio
   * @dev It's the stable rate when usage ratio > 0 and <= OPTIMAL_USAGE_RATIO
   * @return The stable rate slope, expressed in ray
   */
  function getStableRateSlope1() external view returns (uint256);

  /**
   * @notice Returns the stable rate slope above optimal usage ratio
   * @dev It's the variable rate when usage ratio > OPTIMAL_USAGE_RATIO
   * @return The stable rate slope, expressed in ray
   */
  function getStableRateSlope2() external view returns (uint256);

  /**
   * @notice Returns the stable rate excess offset
   * @dev It's an additional premium applied to the stable when stable debt > OPTIMAL_STABLE_TO_TOTAL_DEBT_RATIO
   * @return The stable rate excess offset, expressed in ray
   */
  function getStableRateExcessOffset() external view returns (uint256);

  /**
   * @notice Returns the base stable borrow rate
   * @return The base stable borrow rate, expressed in ray
   */
  function getBaseStableBorrowRate() external view returns (uint256);

  /**
   * @notice Returns the base variable borrow rate
   * @return The base variable borrow rate, expressed in ray
   */
  function getBaseVariableBorrowRate() external view returns (uint256);

  /**
   * @notice Returns the maximum variable borrow rate
   * @return The maximum variable borrow rate, expressed in ray
   */
  function getMaxVariableBorrowRate() external view returns (uint256);
}

// File: lib/aave-address-book/lib/aave-v3-core/contracts/interfaces/IPool.sol



// SPDX-License-Identifier: AGPL-3.0
pragma solidity ^0.8.0;

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

/**
 * @title IPool
 * @author Aave
 * @notice Defines the basic interface for an Aave Pool.
 */
interface IPool {
  /**
   * @dev Emitted on mintUnbacked()
   * @param reserve The address of the underlying asset of the reserve
   * @param user The address initiating the supply
   * @param onBehalfOf The beneficiary of the supplied assets, receiving the aTokens
   * @param amount The amount of supplied assets
   * @param referralCode The referral code used
   */
  event MintUnbacked(
    address indexed reserve,
    address user,
    address indexed onBehalfOf,
    uint256 amount,
    uint16 indexed referralCode
  );

  /**
   * @dev Emitted on backUnbacked()
   * @param reserve The address of the underlying asset of the reserve
   * @param backer The address paying for the backing
   * @param amount The amount added as backing
   * @param fee The amount paid in fees
   */
  event BackUnbacked(address indexed reserve, address indexed backer, uint256 amount, uint256 fee);

  /**
   * @dev Emitted on supply()
   * @param reserve The address of the underlying asset of the reserve
   * @param user The address initiating the supply
   * @param onBehalfOf The beneficiary of the supply, receiving the aTokens
   * @param amount The amount supplied
   * @param referralCode The referral code used
   */
  event Supply(
    address indexed reserve,
    address user,
    address indexed onBehalfOf,
    uint256 amount,
    uint16 indexed referralCode
  );

  /**
   * @dev Emitted on withdraw()
   * @param reserve The address of the underlying asset being withdrawn
   * @param user The address initiating the withdrawal, owner of aTokens
   * @param to The address that will receive the underlying
   * @param amount The amount to be withdrawn
   */
  event Withdraw(address indexed reserve, address indexed user, address indexed to, uint256 amount);

  /**
   * @dev Emitted on borrow() and flashLoan() when debt needs to be opened
   * @param reserve The address of the underlying asset being borrowed
   * @param user The address of the user initiating the borrow(), receiving the funds on borrow() or just
   * initiator of the transaction on flashLoan()
   * @param onBehalfOf The address that will be getting the debt
   * @param amount The amount borrowed out
   * @param interestRateMode The rate mode: 1 for Stable, 2 for Variable
   * @param borrowRate The numeric rate at which the user has borrowed, expressed in ray
   * @param referralCode The referral code used
   */
  event Borrow(
    address indexed reserve,
    address user,
    address indexed onBehalfOf,
    uint256 amount,
    DataTypes.InterestRateMode interestRateMode,
    uint256 borrowRate,
    uint16 indexed referralCode
  );

  /**
   * @dev Emitted on repay()
   * @param reserve The address of the underlying asset of the reserve
   * @param user The beneficiary of the repayment, getting his debt reduced
   * @param repayer The address of the user initiating the repay(), providing the funds
   * @param amount The amount repaid
   * @param useATokens True if the repayment is done using aTokens, `false` if done with underlying asset directly
   */
  event Repay(
    address indexed reserve,
    address indexed user,
    address indexed repayer,
    uint256 amount,
    bool useATokens
  );

  /**
   * @dev Emitted on swapBorrowRateMode()
   * @param reserve The address of the underlying asset of the reserve
   * @param user The address of the user swapping his rate mode
   * @param interestRateMode The current interest rate mode of the position being swapped: 1 for Stable, 2 for Variable
   */
  event SwapBorrowRateMode(
    address indexed reserve,
    address indexed user,
    DataTypes.InterestRateMode interestRateMode
  );

  /**
   * @dev Emitted on borrow(), repay() and liquidationCall() when using isolated assets
   * @param asset The address of the underlying asset of the reserve
   * @param totalDebt The total isolation mode debt for the reserve
   */
  event IsolationModeTotalDebtUpdated(address indexed asset, uint256 totalDebt);

  /**
   * @dev Emitted when the user selects a certain asset category for eMode
   * @param user The address of the user
   * @param categoryId The category id
   */
  event UserEModeSet(address indexed user, uint8 categoryId);

  /**
   * @dev Emitted on setUserUseReserveAsCollateral()
   * @param reserve The address of the underlying asset of the reserve
   * @param user The address of the user enabling the usage as collateral
   */
  event ReserveUsedAsCollateralEnabled(address indexed reserve, address indexed user);

  /**
   * @dev Emitted on setUserUseReserveAsCollateral()
   * @param reserve The address of the underlying asset of the reserve
   * @param user The address of the user enabling the usage as collateral
   */
  event ReserveUsedAsCollateralDisabled(address indexed reserve, address indexed user);

  /**
   * @dev Emitted on rebalanceStableBorrowRate()
   * @param reserve The address of the underlying asset of the reserve
   * @param user The address of the user for which the rebalance has been executed
   */
  event RebalanceStableBorrowRate(address indexed reserve, address indexed user);

  /**
   * @dev Emitted on flashLoan()
   * @param target The address of the flash loan receiver contract
   * @param initiator The address initiating the flash loan
   * @param asset The address of the asset being flash borrowed
   * @param amount The amount flash borrowed
   * @param interestRateMode The flashloan mode: 0 for regular flashloan, 1 for Stable debt, 2 for Variable debt
   * @param premium The fee flash borrowed
   * @param referralCode The referral code used
   */
  event FlashLoan(
    address indexed target,
    address initiator,
    address indexed asset,
    uint256 amount,
    DataTypes.InterestRateMode interestRateMode,
    uint256 premium,
    uint16 indexed referralCode
  );

  /**
   * @dev Emitted when a borrower is liquidated.
   * @param collateralAsset The address of the underlying asset used as collateral, to receive as result of the liquidation
   * @param debtAsset The address of the underlying borrowed asset to be repaid with the liquidation
   * @param user The address of the borrower getting liquidated
   * @param debtToCover The debt amount of borrowed `asset` the liquidator wants to cover
   * @param liquidatedCollateralAmount The amount of collateral received by the liquidator
   * @param liquidator The address of the liquidator
   * @param receiveAToken True if the liquidators wants to receive the collateral aTokens, `false` if he wants
   * to receive the underlying collateral asset directly
   */
  event LiquidationCall(
    address indexed collateralAsset,
    address indexed debtAsset,
    address indexed user,
    uint256 debtToCover,
    uint256 liquidatedCollateralAmount,
    address liquidator,
    bool receiveAToken
  );

  /**
   * @dev Emitted when the state of a reserve is updated.
   * @param reserve The address of the underlying asset of the reserve
   * @param liquidityRate The next liquidity rate
   * @param stableBorrowRate The next stable borrow rate
   * @param variableBorrowRate The next variable borrow rate
   * @param liquidityIndex The next liquidity index
   * @param variableBorrowIndex The next variable borrow index
   */
  event ReserveDataUpdated(
    address indexed reserve,
    uint256 liquidityRate,
    uint256 stableBorrowRate,
    uint256 variableBorrowRate,
    uint256 liquidityIndex,
    uint256 variableBorrowIndex
  );

  /**
   * @dev Emitted when the protocol treasury receives minted aTokens from the accrued interest.
   * @param reserve The address of the reserve
   * @param amountMinted The amount minted to the treasury
   */
  event MintedToTreasury(address indexed reserve, uint256 amountMinted);

  /**
   * @notice Mints an `amount` of aTokens to the `onBehalfOf`
   * @param asset The address of the underlying asset to mint
   * @param amount The amount to mint
   * @param onBehalfOf The address that will receive the aTokens
   * @param referralCode Code used to register the integrator originating the operation, for potential rewards.
   *   0 if the action is executed directly by the user, without any middle-man
   */
  function mintUnbacked(
    address asset,
    uint256 amount,
    address onBehalfOf,
    uint16 referralCode
  ) external;

  /**
   * @notice Back the current unbacked underlying with `amount` and pay `fee`.
   * @param asset The address of the underlying asset to back
   * @param amount The amount to back
   * @param fee The amount paid in fees
   * @return The backed amount
   */
  function backUnbacked(
    address asset,
    uint256 amount,
    uint256 fee
  ) external returns (uint256);

  /**
   * @notice Supplies an `amount` of underlying asset into the reserve, receiving in return overlying aTokens.
   * - E.g. User supplies 100 USDC and gets in return 100 aUSDC
   * @param asset The address of the underlying asset to supply
   * @param amount The amount to be supplied
   * @param onBehalfOf The address that will receive the aTokens, same as msg.sender if the user
   *   wants to receive them on his own wallet, or a different address if the beneficiary of aTokens
   *   is a different wallet
   * @param referralCode Code used to register the integrator originating the operation, for potential rewards.
   *   0 if the action is executed directly by the user, without any middle-man
   */
  function supply(
    address asset,
    uint256 amount,
    address onBehalfOf,
    uint16 referralCode
  ) external;

  /**
   * @notice Supply with transfer approval of asset to be supplied done via permit function
   * see: https://eips.ethereum.org/EIPS/eip-2612 and https://eips.ethereum.org/EIPS/eip-713
   * @param asset The address of the underlying asset to supply
   * @param amount The amount to be supplied
   * @param onBehalfOf The address that will receive the aTokens, same as msg.sender if the user
   *   wants to receive them on his own wallet, or a different address if the beneficiary of aTokens
   *   is a different wallet
   * @param deadline The deadline timestamp that the permit is valid
   * @param referralCode Code used to register the integrator originating the operation, for potential rewards.
   *   0 if the action is executed directly by the user, without any middle-man
   * @param permitV The V parameter of ERC712 permit sig
   * @param permitR The R parameter of ERC712 permit sig
   * @param permitS The S parameter of ERC712 permit sig
   */
  function supplyWithPermit(
    address asset,
    uint256 amount,
    address onBehalfOf,
    uint16 referralCode,
    uint256 deadline,
    uint8 permitV,
    bytes32 permitR,
    bytes32 permitS
  ) external;

  /**
   * @notice Withdraws an `amount` of underlying asset from the reserve, burning the equivalent aTokens owned
   * E.g. User has 100 aUSDC, calls withdraw() and receives 100 USDC, burning the 100 aUSDC
   * @param asset The address of the underlying asset to withdraw
   * @param amount The underlying amount to be withdrawn
   *   - Send the value type(uint256).max in order to withdraw the whole aToken balance
   * @param to The address that will receive the underlying, same as msg.sender if the user
   *   wants to receive it on his own wallet, or a different address if the beneficiary is a
   *   different wallet
   * @return The final amount withdrawn
   */
  function withdraw(
    address asset,
    uint256 amount,
    address to
  ) external returns (uint256);

  /**
   * @notice Allows users to borrow a specific `amount` of the reserve underlying asset, provided that the borrower
   * already supplied enough collateral, or he was given enough allowance by a credit delegator on the
   * corresponding debt token (StableDebtToken or VariableDebtToken)
   * - E.g. User borrows 100 USDC passing as `onBehalfOf` his own address, receiving the 100 USDC in his wallet
   *   and 100 stable/variable debt tokens, depending on the `interestRateMode`
   * @param asset The address of the underlying asset to borrow
   * @param amount The amount to be borrowed
   * @param interestRateMode The interest rate mode at which the user wants to borrow: 1 for Stable, 2 for Variable
   * @param referralCode The code used to register the integrator originating the operation, for potential rewards.
   *   0 if the action is executed directly by the user, without any middle-man
   * @param onBehalfOf The address of the user who will receive the debt. Should be the address of the borrower itself
   * calling the function if he wants to borrow against his own collateral, or the address of the credit delegator
   * if he has been given credit delegation allowance
   */
  function borrow(
    address asset,
    uint256 amount,
    uint256 interestRateMode,
    uint16 referralCode,
    address onBehalfOf
  ) external;

  /**
   * @notice Repays a borrowed `amount` on a specific reserve, burning the equivalent debt tokens owned
   * - E.g. User repays 100 USDC, burning 100 variable/stable debt tokens of the `onBehalfOf` address
   * @param asset The address of the borrowed underlying asset previously borrowed
   * @param amount The amount to repay
   * - Send the value type(uint256).max in order to repay the whole debt for `asset` on the specific `debtMode`
   * @param interestRateMode The interest rate mode at of the debt the user wants to repay: 1 for Stable, 2 for Variable
   * @param onBehalfOf The address of the user who will get his debt reduced/removed. Should be the address of the
   * user calling the function if he wants to reduce/remove his own debt, or the address of any other
   * other borrower whose debt should be removed
   * @return The final amount repaid
   */
  function repay(
    address asset,
    uint256 amount,
    uint256 interestRateMode,
    address onBehalfOf
  ) external returns (uint256);

  /**
   * @notice Repay with transfer approval of asset to be repaid done via permit function
   * see: https://eips.ethereum.org/EIPS/eip-2612 and https://eips.ethereum.org/EIPS/eip-713
   * @param asset The address of the borrowed underlying asset previously borrowed
   * @param amount The amount to repay
   * - Send the value type(uint256).max in order to repay the whole debt for `asset` on the specific `debtMode`
   * @param interestRateMode The interest rate mode at of the debt the user wants to repay: 1 for Stable, 2 for Variable
   * @param onBehalfOf Address of the user who will get his debt reduced/removed. Should be the address of the
   * user calling the function if he wants to reduce/remove his own debt, or the address of any other
   * other borrower whose debt should be removed
   * @param deadline The deadline timestamp that the permit is valid
   * @param permitV The V parameter of ERC712 permit sig
   * @param permitR The R parameter of ERC712 permit sig
   * @param permitS The S parameter of ERC712 permit sig
   * @return The final amount repaid
   */
  function repayWithPermit(
    address asset,
    uint256 amount,
    uint256 interestRateMode,
    address onBehalfOf,
    uint256 deadline,
    uint8 permitV,
    bytes32 permitR,
    bytes32 permitS
  ) external returns (uint256);

  /**
   * @notice Repays a borrowed `amount` on a specific reserve using the reserve aTokens, burning the
   * equivalent debt tokens
   * - E.g. User repays 100 USDC using 100 aUSDC, burning 100 variable/stable debt tokens
   * @dev  Passing uint256.max as amount will clean up any residual aToken dust balance, if the user aToken
   * balance is not enough to cover the whole debt
   * @param asset The address of the borrowed underlying asset previously borrowed
   * @param amount The amount to repay
   * - Send the value type(uint256).max in order to repay the whole debt for `asset` on the specific `debtMode`
   * @param interestRateMode The interest rate mode at of the debt the user wants to repay: 1 for Stable, 2 for Variable
   * @return The final amount repaid
   */
  function repayWithATokens(
    address asset,
    uint256 amount,
    uint256 interestRateMode
  ) external returns (uint256);

  /**
   * @notice Allows a borrower to swap his debt between stable and variable mode, or vice versa
   * @param asset The address of the underlying asset borrowed
   * @param interestRateMode The current interest rate mode of the position being swapped: 1 for Stable, 2 for Variable
   */
  function swapBorrowRateMode(address asset, uint256 interestRateMode) external;

  /**
   * @notice Rebalances the stable interest rate of a user to the current stable rate defined on the reserve.
   * - Users can be rebalanced if the following conditions are satisfied:
   *     1. Usage ratio is above 95%
   *     2. the current supply APY is below REBALANCE_UP_THRESHOLD * maxVariableBorrowRate, which means that too
   *        much has been borrowed at a stable rate and suppliers are not earning enough
   * @param asset The address of the underlying asset borrowed
   * @param user The address of the user to be rebalanced
   */
  function rebalanceStableBorrowRate(address asset, address user) external;

  /**
   * @notice Allows suppliers to enable/disable a specific supplied asset as collateral
   * @param asset The address of the underlying asset supplied
   * @param useAsCollateral True if the user wants to use the supply as collateral, false otherwise
   */
  function setUserUseReserveAsCollateral(address asset, bool useAsCollateral) external;

  /**
   * @notice Function to liquidate a non-healthy position collateral-wise, with Health Factor below 1
   * - The caller (liquidator) covers `debtToCover` amount of debt of the user getting liquidated, and receives
   *   a proportionally amount of the `collateralAsset` plus a bonus to cover market risk
   * @param collateralAsset The address of the underlying asset used as collateral, to receive as result of the liquidation
   * @param debtAsset The address of the underlying borrowed asset to be repaid with the liquidation
   * @param user The address of the borrower getting liquidated
   * @param debtToCover The debt amount of borrowed `asset` the liquidator wants to cover
   * @param receiveAToken True if the liquidators wants to receive the collateral aTokens, `false` if he wants
   * to receive the underlying collateral asset directly
   */
  function liquidationCall(
    address collateralAsset,
    address debtAsset,
    address user,
    uint256 debtToCover,
    bool receiveAToken
  ) external;

  /**
   * @notice Allows smartcontracts to access the liquidity of the pool within one transaction,
   * as long as the amount taken plus a fee is returned.
   * @dev IMPORTANT There are security concerns for developers of flashloan receiver contracts that must be kept
   * into consideration. For further details please visit https://developers.aave.com
   * @param receiverAddress The address of the contract receiving the funds, implementing IFlashLoanReceiver interface
   * @param assets The addresses of the assets being flash-borrowed
   * @param amounts The amounts of the assets being flash-borrowed
   * @param interestRateModes Types of the debt to open if the flash loan is not returned:
   *   0 -> Don't open any debt, just revert if funds can't be transferred from the receiver
   *   1 -> Open debt at stable rate for the value of the amount flash-borrowed to the `onBehalfOf` address
   *   2 -> Open debt at variable rate for the value of the amount flash-borrowed to the `onBehalfOf` address
   * @param onBehalfOf The address  that will receive the debt in the case of using on `modes` 1 or 2
   * @param params Variadic packed params to pass to the receiver as extra information
   * @param referralCode The code used to register the integrator originating the operation, for potential rewards.
   *   0 if the action is executed directly by the user, without any middle-man
   */
  function flashLoan(
    address receiverAddress,
    address[] calldata assets,
    uint256[] calldata amounts,
    uint256[] calldata interestRateModes,
    address onBehalfOf,
    bytes calldata params,
    uint16 referralCode
  ) external;

  /**
   * @notice Allows smartcontracts to access the liquidity of the pool within one transaction,
   * as long as the amount taken plus a fee is returned.
   * @dev IMPORTANT There are security concerns for developers of flashloan receiver contracts that must be kept
   * into consideration. For further details please visit https://developers.aave.com
   * @param receiverAddress The address of the contract receiving the funds, implementing IFlashLoanSimpleReceiver interface
   * @param asset The address of the asset being flash-borrowed
   * @param amount The amount of the asset being flash-borrowed
   * @param params Variadic packed params to pass to the receiver as extra information
   * @param referralCode The code used to register the integrator originating the operation, for potential rewards.
   *   0 if the action is executed directly by the user, without any middle-man
   */
  function flashLoanSimple(
    address receiverAddress,
    address asset,
    uint256 amount,
    bytes calldata params,
    uint16 referralCode
  ) external;

  /**
   * @notice Returns the user account data across all the reserves
   * @param user The address of the user
   * @return totalCollateralBase The total collateral of the user in the base currency used by the price feed
   * @return totalDebtBase The total debt of the user in the base currency used by the price feed
   * @return availableBorrowsBase The borrowing power left of the user in the base currency used by the price feed
   * @return currentLiquidationThreshold The liquidation threshold of the user
   * @return ltv The loan to value of The user
   * @return healthFactor The current health factor of the user
   */
  function getUserAccountData(address user)
    external
    view
    returns (
      uint256 totalCollateralBase,
      uint256 totalDebtBase,
      uint256 availableBorrowsBase,
      uint256 currentLiquidationThreshold,
      uint256 ltv,
      uint256 healthFactor
    );

  /**
   * @notice Initializes a reserve, activating it, assigning an aToken and debt tokens and an
   * interest rate strategy
   * @dev Only callable by the PoolConfigurator contract
   * @param asset The address of the underlying asset of the reserve
   * @param aTokenAddress The address of the aToken that will be assigned to the reserve
   * @param stableDebtAddress The address of the StableDebtToken that will be assigned to the reserve
   * @param variableDebtAddress The address of the VariableDebtToken that will be assigned to the reserve
   * @param interestRateStrategyAddress The address of the interest rate strategy contract
   */
  function initReserve(
    address asset,
    address aTokenAddress,
    address stableDebtAddress,
    address variableDebtAddress,
    address interestRateStrategyAddress
  ) external;

  /**
   * @notice Drop a reserve
   * @dev Only callable by the PoolConfigurator contract
   * @param asset The address of the underlying asset of the reserve
   */
  function dropReserve(address asset) external;

  /**
   * @notice Updates the address of the interest rate strategy contract
   * @dev Only callable by the PoolConfigurator contract
   * @param asset The address of the underlying asset of the reserve
   * @param rateStrategyAddress The address of the interest rate strategy contract
   */
  function setReserveInterestRateStrategyAddress(address asset, address rateStrategyAddress)
    external;

  /**
   * @notice Sets the configuration bitmap of the reserve as a whole
   * @dev Only callable by the PoolConfigurator contract
   * @param asset The address of the underlying asset of the reserve
   * @param configuration The new configuration bitmap
   */
  function setConfiguration(address asset, DataTypes.ReserveConfigurationMap calldata configuration)
    external;

  /**
   * @notice Returns the configuration of the reserve
   * @param asset The address of the underlying asset of the reserve
   * @return The configuration of the reserve
   */
  function getConfiguration(address asset)
    external
    view
    returns (DataTypes.ReserveConfigurationMap memory);

  /**
   * @notice Returns the configuration of the user across all the reserves
   * @param user The user address
   * @return The configuration of the user
   */
  function getUserConfiguration(address user)
    external
    view
    returns (DataTypes.UserConfigurationMap memory);

  /**
   * @notice Returns the normalized income of the reserve
   * @param asset The address of the underlying asset of the reserve
   * @return The reserve's normalized income
   */
  function getReserveNormalizedIncome(address asset) external view returns (uint256);

  /**
   * @notice Returns the normalized variable debt per unit of asset
   * @dev WARNING: This function is intended to be used primarily by the protocol itself to get a
   * "dynamic" variable index based on time, current stored index and virtual rate at the current
   * moment (approx. a borrower would get if opening a position). This means that is always used in
   * combination with variable debt supply/balances.
   * If using this function externally, consider that is possible to have an increasing normalized
   * variable debt that is not equivalent to how the variable debt index would be updated in storage
   * (e.g. only updates with non-zero variable debt supply)
   * @param asset The address of the underlying asset of the reserve
   * @return The reserve normalized variable debt
   */
  function getReserveNormalizedVariableDebt(address asset) external view returns (uint256);

  /**
   * @notice Returns the state and configuration of the reserve
   * @param asset The address of the underlying asset of the reserve
   * @return The state and configuration data of the reserve
   */
  function getReserveData(address asset) external view returns (DataTypes.ReserveData memory);

  /**
   * @notice Validates and finalizes an aToken transfer
   * @dev Only callable by the overlying aToken of the `asset`
   * @param asset The address of the underlying asset of the aToken
   * @param from The user from which the aTokens are transferred
   * @param to The user receiving the aTokens
   * @param amount The amount being transferred/withdrawn
   * @param balanceFromBefore The aToken balance of the `from` user before the transfer
   * @param balanceToBefore The aToken balance of the `to` user before the transfer
   */
  function finalizeTransfer(
    address asset,
    address from,
    address to,
    uint256 amount,
    uint256 balanceFromBefore,
    uint256 balanceToBefore
  ) external;

  /**
   * @notice Returns the list of the underlying assets of all the initialized reserves
   * @dev It does not include dropped reserves
   * @return The addresses of the underlying assets of the initialized reserves
   */
  function getReservesList() external view returns (address[] memory);

  /**
   * @notice Returns the address of the underlying asset of a reserve by the reserve id as stored in the DataTypes.ReserveData struct
   * @param id The id of the reserve as stored in the DataTypes.ReserveData struct
   * @return The address of the reserve associated with id
   */
  function getReserveAddressById(uint16 id) external view returns (address);

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

  /**
   * @notice Updates the protocol fee on the bridging
   * @param bridgeProtocolFee The part of the premium sent to the protocol treasury
   */
  function updateBridgeProtocolFee(uint256 bridgeProtocolFee) external;

  /**
   * @notice Updates flash loan premiums. Flash loan premium consists of two parts:
   * - A part is sent to aToken holders as extra, one time accumulated interest
   * - A part is collected by the protocol treasury
   * @dev The total premium is calculated on the total borrowed amount
   * @dev The premium to protocol is calculated on the total premium, being a percentage of `flashLoanPremiumTotal`
   * @dev Only callable by the PoolConfigurator contract
   * @param flashLoanPremiumTotal The total premium, expressed in bps
   * @param flashLoanPremiumToProtocol The part of the premium sent to the protocol treasury, expressed in bps
   */
  function updateFlashloanPremiums(
    uint128 flashLoanPremiumTotal,
    uint128 flashLoanPremiumToProtocol
  ) external;

  /**
   * @notice Configures a new category for the eMode.
   * @dev In eMode, the protocol allows very high borrowing power to borrow assets of the same category.
   * The category 0 is reserved as it's the default for volatile assets
   * @param id The id of the category
   * @param config The configuration of the category
   */
  function configureEModeCategory(uint8 id, DataTypes.EModeCategory memory config) external;

  /**
   * @notice Returns the data of an eMode category
   * @param id The id of the category
   * @return The configuration data of the category
   */
  function getEModeCategoryData(uint8 id) external view returns (DataTypes.EModeCategory memory);

  /**
   * @notice Allows a user to use the protocol in eMode
   * @param categoryId The id of the category
   */
  function setUserEMode(uint8 categoryId) external;

  /**
   * @notice Returns the eMode the user is using
   * @param user The address of the user
   * @return The eMode id
   */
  function getUserEMode(address user) external view returns (uint256);

  /**
   * @notice Resets the isolation mode total debt of the given asset to zero
   * @dev It requires the given asset has zero debt ceiling
   * @param asset The address of the underlying asset to reset the isolationModeTotalDebt
   */
  function resetIsolationModeTotalDebt(address asset) external;

  /**
   * @notice Returns the percentage of available liquidity that can be borrowed at once at stable rate
   * @return The percentage of available liquidity to borrow, expressed in bps
   */
  function MAX_STABLE_RATE_BORROW_SIZE_PERCENT() external view returns (uint256);

  /**
   * @notice Returns the total fee on flash loans
   * @return The total fee on flashloans
   */
  function FLASHLOAN_PREMIUM_TOTAL() external view returns (uint128);

  /**
   * @notice Returns the part of the bridge fees sent to protocol
   * @return The bridge fee sent to the protocol treasury
   */
  function BRIDGE_PROTOCOL_FEE() external view returns (uint256);

  /**
   * @notice Returns the part of the flashloan fees sent to protocol
   * @return The flashloan fee sent to the protocol treasury
   */
  function FLASHLOAN_PREMIUM_TO_PROTOCOL() external view returns (uint128);

  /**
   * @notice Returns the maximum number of reserves supported to be listed in this Pool
   * @return The maximum number of reserves supported
   */
  function MAX_NUMBER_RESERVES() external view returns (uint16);

  /**
   * @notice Mints the assets accrued through the reserve factor to the treasury in the form of aTokens
   * @param assets The list of reserves for which the minting needs to be executed
   */
  function mintToTreasury(address[] calldata assets) external;

  /**
   * @notice Rescue and transfer tokens locked in this contract
   * @param token The address of the token
   * @param to The address of the recipient
   * @param amount The amount of token to transfer
   */
  function rescueTokens(
    address token,
    address to,
    uint256 amount
  ) external;

  /**
   * @notice Supplies an `amount` of underlying asset into the reserve, receiving in return overlying aTokens.
   * - E.g. User supplies 100 USDC and gets in return 100 aUSDC
   * @dev Deprecated: Use the `supply` function instead
   * @param asset The address of the underlying asset to supply
   * @param amount The amount to be supplied
   * @param onBehalfOf The address that will receive the aTokens, same as msg.sender if the user
   *   wants to receive them on his own wallet, or a different address if the beneficiary of aTokens
   *   is a different wallet
   * @param referralCode Code used to register the integrator originating the operation, for potential rewards.
   *   0 if the action is executed directly by the user, without any middle-man
   */
  function deposit(
    address asset,
    uint256 amount,
    address onBehalfOf,
    uint16 referralCode
  ) external;
}

// File: lib/aave-address-book/lib/aave-v3-core/contracts/interfaces/IPoolAddressesProvider.sol



// SPDX-License-Identifier: AGPL-3.0
pragma solidity ^0.8.0;

/**
 * @title IPoolAddressesProvider
 * @author Aave
 * @notice Defines the basic interface for a Pool Addresses Provider.
 */
interface IPoolAddressesProvider {
  /**
   * @dev Emitted when the market identifier is updated.
   * @param oldMarketId The old id of the market
   * @param newMarketId The new id of the market
   */
  event MarketIdSet(string indexed oldMarketId, string indexed newMarketId);

  /**
   * @dev Emitted when the pool is updated.
   * @param oldAddress The old address of the Pool
   * @param newAddress The new address of the Pool
   */
  event PoolUpdated(address indexed oldAddress, address indexed newAddress);

  /**
   * @dev Emitted when the pool configurator is updated.
   * @param oldAddress The old address of the PoolConfigurator
   * @param newAddress The new address of the PoolConfigurator
   */
  event PoolConfiguratorUpdated(address indexed oldAddress, address indexed newAddress);

  /**
   * @dev Emitted when the price oracle is updated.
   * @param oldAddress The old address of the PriceOracle
   * @param newAddress The new address of the PriceOracle
   */
  event PriceOracleUpdated(address indexed oldAddress, address indexed newAddress);

  /**
   * @dev Emitted when the ACL manager is updated.
   * @param oldAddress The old address of the ACLManager
   * @param newAddress The new address of the ACLManager
   */
  event ACLManagerUpdated(address indexed oldAddress, address indexed newAddress);

  /**
   * @dev Emitted when the ACL admin is updated.
   * @param oldAddress The old address of the ACLAdmin
   * @param newAddress The new address of the ACLAdmin
   */
  event ACLAdminUpdated(address indexed oldAddress, address indexed newAddress);

  /**
   * @dev Emitted when the price oracle sentinel is updated.
   * @param oldAddress The old address of the PriceOracleSentinel
   * @param newAddress The new address of the PriceOracleSentinel
   */
  event PriceOracleSentinelUpdated(address indexed oldAddress, address indexed newAddress);

  /**
   * @dev Emitted when the pool data provider is updated.
   * @param oldAddress The old address of the PoolDataProvider
   * @param newAddress The new address of the PoolDataProvider
   */
  event PoolDataProviderUpdated(address indexed oldAddress, address indexed newAddress);

  /**
   * @dev Emitted when a new proxy is created.
   * @param id The identifier of the proxy
   * @param proxyAddress The address of the created proxy contract
   * @param implementationAddress The address of the implementation contract
   */
  event ProxyCreated(
    bytes32 indexed id,
    address indexed proxyAddress,
    address indexed implementationAddress
  );

  /**
   * @dev Emitted when a new non-proxied contract address is registered.
   * @param id The identifier of the contract
   * @param oldAddress The address of the old contract
   * @param newAddress The address of the new contract
   */
  event AddressSet(bytes32 indexed id, address indexed oldAddress, address indexed newAddress);

  /**
   * @dev Emitted when the implementation of the proxy registered with id is updated
   * @param id The identifier of the contract
   * @param proxyAddress The address of the proxy contract
   * @param oldImplementationAddress The address of the old implementation contract
   * @param newImplementationAddress The address of the new implementation contract
   */
  event AddressSetAsProxy(
    bytes32 indexed id,
    address indexed proxyAddress,
    address oldImplementationAddress,
    address indexed newImplementationAddress
  );

  /**
   * @notice Returns the id of the Aave market to which this contract points to.
   * @return The market id
   */
  function getMarketId() external view returns (string memory);

  /**
   * @notice Associates an id with a specific PoolAddressesProvider.
   * @dev This can be used to create an onchain registry of PoolAddressesProviders to
   * identify and validate multiple Aave markets.
   * @param newMarketId The market id
   */
  function setMarketId(string calldata newMarketId) external;

  /**
   * @notice Returns an address by its identifier.
   * @dev The returned address might be an EOA or a contract, potentially proxied
   * @dev It returns ZERO if there is no registered address with the given id
   * @param id The id
   * @return The address of the registered for the specified id
   */
  function getAddress(bytes32 id) external view returns (address);

  /**
   * @notice General function to update the implementation of a proxy registered with
   * certain `id`. If there is no proxy registered, it will instantiate one and
   * set as implementation the `newImplementationAddress`.
   * @dev IMPORTANT Use this function carefully, only for ids that don't have an explicit
   * setter function, in order to avoid unexpected consequences
   * @param id The id
   * @param newImplementationAddress The address of the new implementation
   */
  function setAddressAsProxy(bytes32 id, address newImplementationAddress) external;

  /**
   * @notice Sets an address for an id replacing the address saved in the addresses map.
   * @dev IMPORTANT Use this function carefully, as it will do a hard replacement
   * @param id The id
   * @param newAddress The address to set
   */
  function setAddress(bytes32 id, address newAddress) external;

  /**
   * @notice Returns the address of the Pool proxy.
   * @return The Pool proxy address
   */
  function getPool() external view returns (address);

  /**
   * @notice Updates the implementation of the Pool, or creates a proxy
   * setting the new `pool` implementation when the function is called for the first time.
   * @param newPoolImpl The new Pool implementation
   */
  function setPoolImpl(address newPoolImpl) external;

  /**
   * @notice Returns the address of the PoolConfigurator proxy.
   * @return The PoolConfigurator proxy address
   */
  function getPoolConfigurator() external view returns (address);

  /**
   * @notice Updates the implementation of the PoolConfigurator, or creates a proxy
   * setting the new `PoolConfigurator` implementation when the function is called for the first time.
   * @param newPoolConfiguratorImpl The new PoolConfigurator implementation
   */
  function setPoolConfiguratorImpl(address newPoolConfiguratorImpl) external;

  /**
   * @notice Returns the address of the price oracle.
   * @return The address of the PriceOracle
   */
  function getPriceOracle() external view returns (address);

  /**
   * @notice Updates the address of the price oracle.
   * @param newPriceOracle The address of the new PriceOracle
   */
  function setPriceOracle(address newPriceOracle) external;

  /**
   * @notice Returns the address of the ACL manager.
   * @return The address of the ACLManager
   */
  function getACLManager() external view returns (address);

  /**
   * @notice Updates the address of the ACL manager.
   * @param newAclManager The address of the new ACLManager
   */
  function setACLManager(address newAclManager) external;

  /**
   * @notice Returns the address of the ACL admin.
   * @return The address of the ACL admin
   */
  function getACLAdmin() external view returns (address);

  /**
   * @notice Updates the address of the ACL admin.
   * @param newAclAdmin The address of the new ACL admin
   */
  function setACLAdmin(address newAclAdmin) external;

  /**
   * @notice Returns the address of the price oracle sentinel.
   * @return The address of the PriceOracleSentinel
   */
  function getPriceOracleSentinel() external view returns (address);

  /**
   * @notice Updates the address of the price oracle sentinel.
   * @param newPriceOracleSentinel The address of the new PriceOracleSentinel
   */
  function setPriceOracleSentinel(address newPriceOracleSentinel) external;

  /**
   * @notice Returns the address of the data provider.
   * @return The address of the DataProvider
   */
  function getPoolDataProvider() external view returns (address);

  /**
   * @notice Updates the address of the data provider.
   * @param newDataProvider The address of the new DataProvider
   */
  function setPoolDataProvider(address newDataProvider) external;
}

// File: lib/aave-address-book/lib/aave-v3-core/contracts/interfaces/IPoolConfigurator.sol



// SPDX-License-Identifier: AGPL-3.0
pragma solidity ^0.8.0;

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

/**
 * @title IPoolConfigurator
 * @author Aave
 * @notice Defines the basic interface for a Pool configurator.
 */
interface IPoolConfigurator {
  /**
   * @dev Emitted when a reserve is initialized.
   * @param asset The address of the underlying asset of the reserve
   * @param aToken The address of the associated aToken contract
   * @param stableDebtToken The address of the associated stable rate debt token
   * @param variableDebtToken The address of the associated variable rate debt token
   * @param interestRateStrategyAddress The address of the interest rate strategy for the reserve
   */
  event ReserveInitialized(
    address indexed asset,
    address indexed aToken,
    address stableDebtToken,
    address variableDebtToken,
    address interestRateStrategyAddress
  );

  /**
   * @dev Emitted when borrowing is enabled or disabled on a reserve.
   * @param asset The address of the underlying asset of the reserve
   * @param enabled True if borrowing is enabled, false otherwise
   */
  event ReserveBorrowing(address indexed asset, bool enabled);

  /**
   * @dev Emitted when flashloans are enabled or disabled on a reserve.
   * @param asset The address of the underlying asset of the reserve
   * @param enabled True if flashloans are enabled, false otherwise
   */
  event ReserveFlashLoaning(address indexed asset, bool enabled);

  /**
   * @dev Emitted when the collateralization risk parameters for the specified asset are updated.
   * @param asset The address of the underlying asset of the reserve
   * @param ltv The loan to value of the asset when used as collateral
   * @param liquidationThreshold The threshold at which loans using this asset as collateral will be considered undercollateralized
   * @param liquidationBonus The bonus liquidators receive to liquidate this asset
   */
  event CollateralConfigurationChanged(
    address indexed asset,
    uint256 ltv,
    uint256 liquidationThreshold,
    uint256 liquidationBonus
  );

  /**
   * @dev Emitted when stable rate borrowing is enabled or disabled on a reserve
   * @param asset The address of the underlying asset of the reserve
   * @param enabled True if stable rate borrowing is enabled, false otherwise
   */
  event ReserveStableRateBorrowing(address indexed asset, bool enabled);

  /**
   * @dev Emitted when a reserve is activated or deactivated
   * @param asset The address of the underlying asset of the reserve
   * @param active True if reserve is active, false otherwise
   */
  event ReserveActive(address indexed asset, bool active);

  /**
   * @dev Emitted when a reserve is frozen or unfrozen
   * @param asset The address of the underlying asset of the reserve
   * @param frozen True if reserve is frozen, false otherwise
   */
  event ReserveFrozen(address indexed asset, bool frozen);

  /**
   * @dev Emitted when a reserve is paused or unpaused
   * @param asset The address of the underlying asset of the reserve
   * @param paused True if reserve is paused, false otherwise
   */
  event ReservePaused(address indexed asset, bool paused);

  /**
   * @dev Emitted when a reserve is dropped.
   * @param asset The address of the underlying asset of the reserve
   */
  event ReserveDropped(address indexed asset);

  /**
   * @dev Emitted when a reserve factor is updated.
   * @param asset The address of the underlying asset of the reserve
   * @param oldReserveFactor The old reserve factor, expressed in bps
   * @param newReserveFactor The new reserve factor, expressed in bps
   */
  event ReserveFactorChanged(
    address indexed asset,
    uint256 oldReserveFactor,
    uint256 newReserveFactor
  );

  /**
   * @dev Emitted when the borrow cap of a reserve is updated.
   * @param asset The address of the underlying asset of the reserve
   * @param oldBorrowCap The old borrow cap
   * @param newBorrowCap The new borrow cap
   */
  event BorrowCapChanged(address indexed asset, uint256 oldBorrowCap, uint256 newBorrowCap);

  /**
   * @dev Emitted when the supply cap of a reserve is updated.
   * @param asset The address of the underlying asset of the reserve
   * @param oldSupplyCap The old supply cap
   * @param newSupplyCap The new supply cap
   */
  event SupplyCapChanged(address indexed asset, uint256 oldSupplyCap, uint256 newSupplyCap);

  /**
   * @dev Emitted when the liquidation protocol fee of a reserve is updated.
   * @param asset The address of the underlying asset of the reserve
   * @param oldFee The old liquidation protocol fee, expressed in bps
   * @param newFee The new liquidation protocol fee, expressed in bps
   */
  event LiquidationProtocolFeeChanged(address indexed asset, uint256 oldFee, uint256 newFee);

  /**
   * @dev Emitted when the unbacked mint cap of a reserve is updated.
   * @param asset The address of the underlying asset of the reserve
   * @param oldUnbackedMintCap The old unbacked mint cap
   * @param newUnbackedMintCap The new unbacked mint cap
   */
  event UnbackedMintCapChanged(
    address indexed asset,
    uint256 oldUnbackedMintCap,
    uint256 newUnbackedMintCap
  );

  /**
   * @dev Emitted when the category of an asset in eMode is changed.
   * @param asset The address of the underlying asset of the reserve
   * @param oldCategoryId The old eMode asset category
   * @param newCategoryId The new eMode asset category
   */
  event EModeAssetCategoryChanged(address indexed asset, uint8 oldCategoryId, uint8 newCategoryId);

  /**
   * @dev Emitted when a new eMode category is added.
   * @param categoryId The new eMode category id
   * @param ltv The ltv for the asset category in eMode
   * @param liquidationThreshold The liquidationThreshold for the asset category in eMode
   * @param liquidationBonus The liquidationBonus for the asset category in eMode
   * @param oracle The optional address of the price oracle specific for this category
   * @param label A human readable identifier for the category
   */
  event EModeCategoryAdded(
    uint8 indexed categoryId,
    uint256 ltv,
    uint256 liquidationThreshold,
    uint256 liquidationBonus,
    address oracle,
    string label
  );

  /**
   * @dev Emitted when a reserve interest strategy contract is updated.
   * @param asset The address of the underlying asset of the reserve
   * @param oldStrategy The address of the old interest strategy contract
   * @param newStrategy The address of the new interest strategy contract
   */
  event ReserveInterestRateStrategyChanged(
    address indexed asset,
    address oldStrategy,
    address newStrategy
  );

  /**
   * @dev Emitted when an aToken implementation is upgraded.
   * @param asset The address of the underlying asset of the reserve
   * @param proxy The aToken proxy address
   * @param implementation The new aToken implementation
   */
  event ATokenUpgraded(
    address indexed asset,
    address indexed proxy,
    address indexed implementation
  );

  /**
   * @dev Emitted when the implementation of a stable debt token is upgraded.
   * @param asset The address of the underlying asset of the reserve
   * @param proxy The stable debt token proxy address
   * @param implementation The new aToken implementation
   */
  event StableDebtTokenUpgraded(
    address indexed asset,
    address indexed proxy,
    address indexed implementation
  );

  /**
   * @dev Emitted when the implementation of a variable debt token is upgraded.
   * @param asset The address of the underlying asset of the reserve
   * @param proxy The variable debt token proxy address
   * @param implementation The new aToken implementation
   */
  event VariableDebtTokenUpgraded(
    address indexed asset,
    address indexed proxy,
    address indexed implementation
  );

  /**
   * @dev Emitted when the debt ceiling of an asset is set.
   * @param asset The address of the underlying asset of the reserve
   * @param oldDebtCeiling The old debt ceiling
   * @param newDebtCeiling The new debt ceiling
   */
  event DebtCeilingChanged(address indexed asset, uint256 oldDebtCeiling, uint256 newDebtCeiling);

  /**
   * @dev Emitted when the the siloed borrowing state for an asset is changed.
   * @param asset The address of the underlying asset of the reserve
   * @param oldState The old siloed borrowing state
   * @param newState The new siloed borrowing state
   */
  event SiloedBorrowingChanged(address indexed asset, bool oldState, bool newState);

  /**
   * @dev Emitted when the bridge protocol fee is updated.
   * @param oldBridgeProtocolFee The old protocol fee, expressed in bps
   * @param newBridgeProtocolFee The new protocol fee, expressed in bps
   */
  event BridgeProtocolFeeUpdated(uint256 oldBridgeProtocolFee, uint256 newBridgeProtocolFee);

  /**
   * @dev Emitted when the total premium on flashloans is updated.
   * @param oldFlashloanPremiumTotal The old premium, expressed in bps
   * @param newFlashloanPremiumTotal The new premium, expressed in bps
   */
  event FlashloanPremiumTotalUpdated(
    uint128 oldFlashloanPremiumTotal,
    uint128 newFlashloanPremiumTotal
  );

  /**
   * @dev Emitted when the part of the premium that goes to protocol is updated.
   * @param oldFlashloanPremiumToProtocol The old premium, expressed in bps
   * @param newFlashloanPremiumToProtocol The new premium, expressed in bps
   */
  event FlashloanPremiumToProtocolUpdated(
    uint128 oldFlashloanPremiumToProtocol,
    uint128 newFlashloanPremiumToProtocol
  );

  /**
   * @dev Emitted when the reserve is set as borrowable/non borrowable in isolation mode.
   * @param asset The address of the underlying asset of the reserve
   * @param borrowable True if the reserve is borrowable in isolation, false otherwise
   */
  event BorrowableInIsolationChanged(address asset, bool borrowable);

  /**
   * @notice Initializes multiple reserves.
   * @param input The array of initialization parameters
   */
  function initReserves(ConfiguratorInputTypes.InitReserveInput[] calldata input) external;

  /**
   * @dev Updates the aToken implementation for the reserve.
   * @param input The aToken update parameters
   */
  function updateAToken(ConfiguratorInputTypes.UpdateATokenInput calldata input) external;

  /**
   * @notice Updates the stable debt token implementation for the reserve.
   * @param input The stableDebtToken update parameters
   */
  function updateStableDebtToken(ConfiguratorInputTypes.UpdateDebtTokenInput calldata input)
    external;

  /**
   * @notice Updates the variable debt token implementation for the asset.
   * @param input The variableDebtToken update parameters
   */
  function updateVariableDebtToken(ConfiguratorInputTypes.UpdateDebtTokenInput calldata input)
    external;

  /**
   * @notice Configures borrowing on a reserve.
   * @dev Can only be disabled (set to false) if stable borrowing is disabled
   * @param asset The address of the underlying asset of the reserve
   * @param enabled True if borrowing needs to be enabled, false otherwise
   */
  function setReserveBorrowing(address asset, bool enabled) external;

  /**
   * @notice Configures the reserve collateralization parameters.
   * @dev All the values are expressed in bps. A value of 10000, results in 100.00%
   * @dev The `liquidationBonus` is always above 100%. A value of 105% means the liquidator will receive a 5% bonus
   * @param asset The address of the underlying asset of the reserve
   * @param ltv The loan to value of the asset when used as collateral
   * @param liquidationThreshold The threshold at which loans using this asset as collateral will be considered undercollateralized
   * @param liquidationBonus The bonus liquidators receive to liquidate this asset
   */
  function configureReserveAsCollateral(
    address asset,
    uint256 ltv,
    uint256 liquidationThreshold,
    uint256 liquidationBonus
  ) external;

  /**
   * @notice Enable or disable stable rate borrowing on a reserve.
   * @dev Can only be enabled (set to true) if borrowing is enabled
   * @param asset The address of the underlying asset of the reserve
   * @param enabled True if stable rate borrowing needs to be enabled, false otherwise
   */
  function setReserveStableRateBorrowing(address asset, bool enabled) external;

  /**
   * @notice Enable or disable flashloans on a reserve
   * @param asset The address of the underlying asset of the reserve
   * @param enabled True if flashloans need to be enabled, false otherwise
   */
  function setReserveFlashLoaning(address asset, bool enabled) external;

  /**
   * @notice Activate or deactivate a reserve
   * @param asset The address of the underlying asset of the reserve
   * @param active True if the reserve needs to be active, false otherwise
   */
  function setReserveActive(address asset, bool active) external;

  /**
   * @notice Freeze or unfreeze a reserve. A frozen reserve doesn't allow any new supply, borrow
   * or rate swap but allows repayments, liquidations, rate rebalances and withdrawals.
   * @param asset The address of the underlying asset of the reserve
   * @param freeze True if the reserve needs to be frozen, false otherwise
   */
  function setReserveFreeze(address asset, bool freeze) external;

  /**
   * @notice Sets the borrowable in isolation flag for the reserve.
   * @dev When this flag is set to true, the asset will be borrowable against isolated collaterals and the
   * borrowed amount will be accumulated in the isolated collateral's total debt exposure
   * @dev Only assets of the same family (e.g. USD stablecoins) should be borrowable in isolation mode to keep
   * consistency in the debt ceiling calculations
   * @param asset The address of the underlying asset of the reserve
   * @param borrowable True if the asset should be borrowable in isolation, false otherwise
   */
  function setBorrowableInIsolation(address asset, bool borrowable) external;

  /**
   * @notice Pauses a reserve. A paused reserve does not allow any interaction (supply, borrow, repay,
   * swap interest rate, liquidate, atoken transfers).
   * @param asset The address of the underlying asset of the reserve
   * @param paused True if pausing the reserve, false if unpausing
   */
  function setReservePause(address asset, bool paused) external;

  /**
   * @notice Updates the reserve factor of a reserve.
   * @param asset The address of the underlying asset of the reserve
   * @param newReserveFactor The new reserve factor of the reserve
   */
  function setReserveFactor(address asset, uint256 newReserveFactor) external;

  /**
   * @notice Sets the interest rate strategy of a reserve.
   * @param asset The address of the underlying asset of the reserve
   * @param newRateStrategyAddress The address of the new interest strategy contract
   */
  function setReserveInterestRateStrategyAddress(address asset, address newRateStrategyAddress)
    external;

  /**
   * @notice Pauses or unpauses all the protocol reserves. In the paused state all the protocol interactions
   * are suspended.
   * @param paused True if protocol needs to be paused, false otherwise
   */
  function setPoolPause(bool paused) external;

  /**
   * @notice Updates the borrow cap of a reserve.
   * @param asset The address of the underlying asset of the reserve
   * @param newBorrowCap The new borrow cap of the reserve
   */
  function setBorrowCap(address asset, uint256 newBorrowCap) external;

  /**
   * @notice Updates the supply cap of a reserve.
   * @param asset The address of the underlying asset of the reserve
   * @param newSupplyCap The new supply cap of the reserve
   */
  function setSupplyCap(address asset, uint256 newSupplyCap) external;

  /**
   * @notice Updates the liquidation protocol fee of reserve.
   * @param asset The address of the underlying asset of the reserve
   * @param newFee The new liquidation protocol fee of the reserve, expressed in bps
   */
  function setLiquidationProtocolFee(address asset, uint256 newFee) external;

  /**
   * @notice Updates the unbacked mint cap of reserve.
   * @param asset The address of the underlying asset of the reserve
   * @param newUnbackedMintCap The new unbacked mint cap of the reserve
   */
  function setUnbackedMintCap(address asset, uint256 newUnbackedMintCap) external;

  /**
   * @notice Assign an efficiency mode (eMode) category to asset.
   * @param asset The address of the underlying asset of the reserve
   * @param newCategoryId The new category id of the asset
   */
  function setAssetEModeCategory(address asset, uint8 newCategoryId) external;

  /**
   * @notice Adds a new efficiency mode (eMode) category.
   * @dev If zero is provided as oracle address, the default asset oracles will be used to compute the overall debt and
   * overcollateralization of the users using this category.
   * @dev The new ltv and liquidation threshold must be greater than the base
   * ltvs and liquidation thresholds of all assets within the eMode category
   * @param categoryId The id of the category to be configured
   * @param ltv The ltv associated with the category
   * @param liquidationThreshold The liquidation threshold associated with the category
   * @param liquidationBonus The liquidation bonus associated with the category
   * @param oracle The oracle associated with the category
   * @param label A label identifying the category
   */
  function setEModeCategory(
    uint8 categoryId,
    uint16 ltv,
    uint16 liquidationThreshold,
    uint16 liquidationBonus,
    address oracle,
    string calldata label
  ) external;

  /**
   * @notice Drops a reserve entirely.
   * @param asset The address of the reserve to drop
   */
  function dropReserve(address asset) external;

  /**
   * @notice Updates the bridge fee collected by the protocol reserves.
   * @param newBridgeProtocolFee The part of the fee sent to the protocol treasury, expressed in bps
   */
  function updateBridgeProtocolFee(uint256 newBridgeProtocolFee) external;

  /**
   * @notice Updates the total flash loan premium.
   * Total flash loan premium consists of two parts:
   * - A part is sent to aToken holders as extra balance
   * - A part is collected by the protocol reserves
   * @dev Expressed in bps
   * @dev The premium is calculated on the total amount borrowed
   * @param newFlashloanPremiumTotal The total flashloan premium
   */
  function updateFlashloanPremiumTotal(uint128 newFlashloanPremiumTotal) external;

  /**
   * @notice Updates the flash loan premium collected by protocol reserves
   * @dev Expressed in bps
   * @dev The premium to protocol is calculated on the total flashloan premium
   * @param newFlashloanPremiumToProtocol The part of the flashloan premium sent to the protocol treasury
   */
  function updateFlashloanPremiumToProtocol(uint128 newFlashloanPremiumToProtocol) external;

  /**
   * @notice Sets the debt ceiling for an asset.
   * @param newDebtCeiling The new debt ceiling
   */
  function setDebtCeiling(address asset, uint256 newDebtCeiling) external;

  /**
   * @notice Sets siloed borrowing for an asset
   * @param siloed The new siloed borrowing state
   */
  function setSiloedBorrowing(address asset, bool siloed) external;
}

// File: lib/aave-address-book/lib/aave-v3-core/contracts/interfaces/IPoolDataProvider.sol



// SPDX-License-Identifier: AGPL-3.0
pragma solidity ^0.8.0;

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

/**
 * @title IPoolDataProvider
 * @author Aave
 * @notice Defines the basic interface of a PoolDataProvider
 */
interface IPoolDataProvider {
  struct TokenData {
    string symbol;
    address tokenAddress;
  }

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

  /**
   * @notice Returns the list of the existing reserves in the pool.
   * @dev Handling MKR and ETH in a different way since they do not have standard `symbol` functions.
   * @return The list of reserves, pairs of symbols and addresses
   */
  function getAllReservesTokens() external view returns (TokenData[] memory);

  /**
   * @notice Returns the list of the existing ATokens in the pool.
   * @return The list of ATokens, pairs of symbols and addresses
   */
  function getAllATokens() external view returns (TokenData[] memory);

  /**
   * @notice Returns the configuration data of the reserve
   * @dev Not returning borrow and supply caps for compatibility, nor pause flag
   * @param asset The address of the underlying asset of the reserve
   * @return decimals The number of decimals of the reserve
   * @return ltv The ltv of the reserve
   * @return liquidationThreshold The liquidationThreshold of the reserve
   * @return liquidationBonus The liquidationBonus of the reserve
   * @return reserveFactor The reserveFactor of the reserve
   * @return usageAsCollateralEnabled True if the usage as collateral is enabled, false otherwise
   * @return borrowingEnabled True if borrowing is enabled, false otherwise
   * @return stableBorrowRateEnabled True if stable rate borrowing is enabled, false otherwise
   * @return isActive True if it is active, false otherwise
   * @return isFrozen True if it is frozen, false otherwise
   */
  function getReserveConfigurationData(address asset)
    external
    view
    returns (
      uint256 decimals,
      uint256 ltv,
      uint256 liquidationThreshold,
      uint256 liquidationBonus,
      uint256 reserveFactor,
      bool usageAsCollateralEnabled,
      bool borrowingEnabled,
      bool stableBorrowRateEnabled,
      bool isActive,
      bool isFrozen
    );

  /**
   * @notice Returns the efficiency mode category of the reserve
   * @param asset The address of the underlying asset of the reserve
   * @return The eMode id of the reserve
   */
  function getReserveEModeCategory(address asset) external view returns (uint256);

  /**
   * @notice Returns the caps parameters of the reserve
   * @param asset The address of the underlying asset of the reserve
   * @return borrowCap The borrow cap of the reserve
   * @return supplyCap The supply cap of the reserve
   */
  function getReserveCaps(address asset)
    external
    view
    returns (uint256 borrowCap, uint256 supplyCap);

  /**
   * @notice Returns if the pool is paused
   * @param asset The address of the underlying asset of the reserve
   * @return isPaused True if the pool is paused, false otherwise
   */
  function getPaused(address asset) external view returns (bool isPaused);

  /**
   * @notice Returns the siloed borrowing flag
   * @param asset The address of the underlying asset of the reserve
   * @return True if the asset is siloed for borrowing
   */
  function getSiloedBorrowing(address asset) external view returns (bool);

  /**
   * @notice Returns the protocol fee on the liquidation bonus
   * @param asset The address of the underlying asset of the reserve
   * @return The protocol fee on liquidation
   */
  function getLiquidationProtocolFee(address asset) external view returns (uint256);

  /**
   * @notice Returns the unbacked mint cap of the reserve
   * @param asset The address of the underlying asset of the reserve
   * @return The unbacked mint cap of the reserve
   */
  function getUnbackedMintCap(address asset) external view returns (uint256);

  /**
   * @notice Returns the debt ceiling of the reserve
   * @param asset The address of the underlying asset of the reserve
   * @return The debt ceiling of the reserve
   */
  function getDebtCeiling(address asset) external view returns (uint256);

  /**
   * @notice Returns the debt ceiling decimals
   * @return The debt ceiling decimals
   */
  function getDebtCeilingDecimals() external pure returns (uint256);

  /**
   * @notice Returns the reserve data
   * @param asset The address of the underlying asset of the reserve
   * @return unbacked The amount of unbacked tokens
   * @return accruedToTreasuryScaled The scaled amount of tokens accrued to treasury that is to be minted
   * @return totalAToken The total supply of the aToken
   * @return totalStableDebt The total stable debt of the reserve
   * @return totalVariableDebt The total variable debt of the reserve
   * @return liquidityRate The liquidity rate of the reserve
   * @return variableBorrowRate The variable borrow rate of the reserve
   * @return stableBorrowRate The stable borrow rate of the reserve
   * @return averageStableBorrowRate The average stable borrow rate of the reserve
   * @return liquidityIndex The liquidity index of the reserve
   * @return variableBorrowIndex The variable borrow index of the reserve
   * @return lastUpdateTimestamp The timestamp of the last update of the reserve
   */
  function getReserveData(address asset)
    external
    view
    returns (
      uint256 unbacked,
      uint256 accruedToTreasuryScaled,
      uint256 totalAToken,
      uint256 totalStableDebt,
      uint256 totalVariableDebt,
      uint256 liquidityRate,
      uint256 variableBorrowRate,
      uint256 stableBorrowRate,
      uint256 averageStableBorrowRate,
      uint256 liquidityIndex,
      uint256 variableBorrowIndex,
      uint40 lastUpdateTimestamp
    );

  /**
   * @notice Returns the total supply of aTokens for a given asset
   * @param asset The address of the underlying asset of the reserve
   * @return The total supply of the aToken
   */
  function getATokenTotalSupply(address asset) external view returns (uint256);

  /**
   * @notice Returns the total debt for a given asset
   * @param asset The address of the underlying asset of the reserve
   * @return The total debt for asset
   */
  function getTotalDebt(address asset) external view returns (uint256);

  /**
   * @notice Returns the user data in a reserve
   * @param asset The address of the underlying asset of the reserve
   * @param user The address of the user
   * @return currentATokenBalance The current AToken balance of the user
   * @return currentStableDebt The current stable debt of the user
   * @return currentVariableDebt The current variable debt of the user
   * @return principalStableDebt The principal stable debt of the user
   * @return scaledVariableDebt The scaled variable debt of the user
   * @return stableBorrowRate The stable borrow rate of the user
   * @return liquidityRate The liquidity rate of the reserve
   * @return stableRateLastUpdated The timestamp of the last update of the user stable rate
   * @return usageAsCollateralEnabled True if the user is using the asset as collateral, false
   *         otherwise
   */
  function getUserReserveData(address asset, address user)
    external
    view
    returns (
      uint256 currentATokenBalance,
      uint256 currentStableDebt,
      uint256 currentVariableDebt,
      uint256 principalStableDebt,
      uint256 scaledVariableDebt,
      uint256 stableBorrowRate,
      uint256 liquidityRate,
      uint40 stableRateLastUpdated,
      bool usageAsCollateralEnabled
    );

  /**
   * @notice Returns the token addresses of the reserve
   * @param asset The address of the underlying asset of the reserve
   * @return aTokenAddress The AToken address of the reserve
   * @return stableDebtTokenAddress The StableDebtToken address of the reserve
   * @return variableDebtTokenAddress The VariableDebtToken address of the reserve
   */
  function getReserveTokensAddresses(address asset)
    external
    view
    returns (
      address aTokenAddress,
      address stableDebtTokenAddress,
      address variableDebtTokenAddress
    );

  /**
   * @notice Returns the address of the Interest Rate strategy
   * @param asset The address of the underlying asset of the reserve
   * @return irStrategyAddress The address of the Interest Rate strategy
   */
  function getInterestRateStrategyAddress(address asset)
    external
    view
    returns (address irStrategyAddress);

  /**
   * @notice Returns whether the reserve has FlashLoans enabled or disabled
   * @param asset The address of the underlying asset of the reserve
   * @return True if FlashLoans are enabled, false otherwise
   */
  function getFlashLoanEnabled(address asset) external view returns (bool);
}

// File: lib/aave-address-book/lib/aave-v3-core/contracts/interfaces/IPriceOracleGetter.sol



// SPDX-License-Identifier: AGPL-3.0
pragma solidity ^0.8.0;

/**
 * @title IPriceOracleGetter
 * @author Aave
 * @notice Interface for the Aave price oracle.
 */
interface IPriceOracleGetter {
  /**
   * @notice Returns the base currency address
   * @dev Address 0x0 is reserved for USD as base currency.
   * @return Returns the base currency address.
   */
  function BASE_CURRENCY() external view returns (address);

  /**
   * @notice Returns the base currency unit
   * @dev 1 ether for ETH, 1e8 for USD.
   * @return Returns the base currency unit.
   */
  function BASE_CURRENCY_UNIT() external view returns (uint256);

  /**
   * @notice Returns the asset price in the base currency
   * @param asset The address of the asset
   * @return The price of the asset
   */
  function getAssetPrice(address asset) external view returns (uint256);
}

// File: lib/aave-address-book/lib/aave-v3-core/contracts/interfaces/IReserveInterestRateStrategy.sol



// SPDX-License-Identifier: AGPL-3.0
pragma solidity ^0.8.0;

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

/**
 * @title IReserveInterestRateStrategy
 * @author Aave
 * @notice Interface for the calculation of the interest rates
 */
interface IReserveInterestRateStrategy {
  /**
   * @notice Calculates the interest rates depending on the reserve's state and configurations
   * @param params The parameters needed to calculate interest rates
   * @return liquidityRate The liquidity rate expressed in rays
   * @return stableBorrowRate The stable borrow rate expressed in rays
   * @return variableBorrowRate The variable borrow rate expressed in rays
   */
  function calculateInterestRates(DataTypes.CalculateInterestRatesParams memory params)
    external
    view
    returns (
      uint256,
      uint256,
      uint256
    );
}

// File: lib/aave-address-book/lib/aave-v3-core/contracts/protocol/libraries/types/ConfiguratorInputTypes.sol



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

library ConfiguratorInputTypes {
  struct InitReserveInput {
    address aTokenImpl;
    address stableDebtTokenImpl;
    address variableDebtTokenImpl;
    uint8 underlyingAssetDecimals;
    address interestRateStrategyAddress;
    address underlyingAsset;
    address treasury;
    address incentivesController;
    string aTokenName;
    string aTokenSymbol;
    string variableDebtTokenName;
    string variableDebtTokenSymbol;
    string stableDebtTokenName;
    string stableDebtTokenSymbol;
    bytes params;
  }

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

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

// File: lib/aave-address-book/lib/aave-v3-core/contracts/protocol/libraries/types/DataTypes.sol



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

library DataTypes {
  struct ReserveData {
    //stores the reserve configuration
    ReserveConfigurationMap configuration;
    //the liquidity index. Expressed in ray
    uint128 liquidityIndex;
    //the current supply rate. Expressed in ray
    uint128 currentLiquidityRate;
    //variable borrow index. Expressed in ray
    uint128 variableBorrowIndex;
    //the current variable borrow rate. Expressed in ray
    uint128 currentVariableBorrowRate;
    //the current stable borrow rate. Expressed in ray
    uint128 currentStableBorrowRate;
    //timestamp of last update
    uint40 lastUpdateTimestamp;
    //the id of the reserve. Represents the position in the list of the active reserves
    uint16 id;
    //aToken address
    address aTokenAddress;
    //stableDebtToken address
    address stableDebtTokenAddress;
    //variableDebtToken address
    address variableDebtTokenAddress;
    //address of the interest rate strategy
    address interestRateStrategyAddress;
    //the current treasury balance, scaled
    uint128 accruedToTreasury;
    //the outstanding unbacked aTokens minted through the bridging feature
    uint128 unbacked;
    //the outstanding debt borrowed against this asset in isolation mode
    uint128 isolationModeTotalDebt;
  }

  struct ReserveConfigurationMap {
    //bit 0-15: LTV
    //bit 16-31: Liq. threshold
    //bit 32-47: Liq. bonus
    //bit 48-55: Decimals
    //bit 56: reserve is active
    //bit 57: reserve is frozen
    //bit 58: borrowing is enabled
    //bit 59: stable rate borrowing enabled
    //bit 60: asset is paused
    //bit 61: borrowing in isolation mode is enabled
    //bit 62-63: reserved
    //bit 64-79: reserve factor
    //bit 80-115 borrow cap in whole tokens, borrowCap == 0 => no cap
    //bit 116-151 supply cap in whole tokens, supplyCap == 0 => no cap
    //bit 152-167 liquidation protocol fee
    //bit 168-175 eMode category
    //bit 176-211 unbacked mint cap in whole tokens, unbackedMintCap == 0 => minting disabled
    //bit 212-251 debt ceiling for isolation mode with (ReserveConfiguration::DEBT_CEILING_DECIMALS) decimals
    //bit 252-255 unused

    uint256 data;
  }

  struct UserConfigurationMap {
    /**
     * @dev Bitmap of the users collaterals and borrows. It is divided in pairs of bits, one pair per asset.
     * The first bit indicates if an asset is used as collateral by the user, the second whether an
     * asset is borrowed by the user.
     */
    uint256 data;
  }

  struct EModeCategory {
    // each eMode category has a custom ltv and liquidation threshold
    uint16 ltv;
    uint16 liquidationThreshold;
    uint16 liquidationBonus;
    // each eMode category may or may not have a custom oracle to override the individual assets price oracles
    address priceSource;
    string label;
  }

  enum InterestRateMode {
    NONE,
    STABLE,
    VARIABLE
  }

  struct ReserveCache {
    uint256 currScaledVariableDebt;
    uint256 nextScaledVariableDebt;
    uint256 currPrincipalStableDebt;
    uint256 currAvgStableBorrowRate;
    uint256 currTotalStableDebt;
    uint256 nextAvgStableBorrowRate;
    uint256 nextTotalStableDebt;
    uint256 currLiquidityIndex;
    uint256 nextLiquidityIndex;
    uint256 currVariableBorrowIndex;
    uint256 nextVariableBorrowIndex;
    uint256 currLiquidityRate;
    uint256 currVariableBorrowRate;
    uint256 reserveFactor;
    ReserveConfigurationMap reserveConfiguration;
    address aTokenAddress;
    address stableDebtTokenAddress;
    address variableDebtTokenAddress;
    uint40 reserveLastUpdateTimestamp;
    uint40 stableDebtLastUpdateTimestamp;
  }

  struct ExecuteLiquidationCallParams {
    uint256 reservesCount;
    uint256 debtToCover;
    address collateralAsset;
    address debtAsset;
    address user;
    bool receiveAToken;
    address priceOracle;
    uint8 userEModeCategory;
    address priceOracleSentinel;
  }

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

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

  struct ExecuteRepayParams {
    address asset;
    uint256 amount;
    InterestRateMode interestRateMode;
    address onBehalfOf;
    bool useATokens;
  }

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

  struct ExecuteSetUserEModeParams {
    uint256 reservesCount;
    address oracle;
    uint8 categoryId;
  }

  struct FinalizeTransferParams {
    address asset;
    address from;
    address to;
    uint256 amount;
    uint256 balanceFromBefore;
    uint256 balanceToBefore;
    uint256 reservesCount;
    address oracle;
    uint8 fromEModeCategory;
  }

  struct FlashloanParams {
    address receiverAddress;
    address[] assets;
    uint256[] amounts;
    uint256[] interestRateModes;
    address onBehalfOf;
    bytes params;
    uint16 referralCode;
    uint256 flashLoanPremiumToProtocol;
    uint256 flashLoanPremiumTotal;
    uint256 maxStableRateBorrowSizePercent;
    uint256 reservesCount;
    address addressesProvider;
    uint8 userEModeCategory;
    bool isAuthorizedFlashBorrower;
  }

  struct FlashloanSimpleParams {
    address receiverAddress;
    address asset;
    uint256 amount;
    bytes params;
    uint16 referralCode;
    uint256 flashLoanPremiumToProtocol;
    uint256 flashLoanPremiumTotal;
  }

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

  struct CalculateUserAccountDataParams {
    UserConfigurationMap userConfig;
    uint256 reservesCount;
    address user;
    address oracle;
    uint8 userEModeCategory;
  }

  struct ValidateBorrowParams {
    ReserveCache reserveCache;
    UserConfigurationMap userConfig;
    address asset;
    address userAddress;
    uint256 amount;
    InterestRateMode interestRateMode;
    uint256 maxStableLoanPercent;
    uint256 reservesCount;
    address oracle;
    uint8 userEModeCategory;
    address priceOracleSentinel;
    bool isolationModeActive;
    address isolationModeCollateralAddress;
    uint256 isolationModeDebtCeiling;
  }

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

  struct CalculateInterestRatesParams {
    uint256 unbacked;
    uint256 liquidityAdded;
    uint256 liquidityTaken;
    uint256 totalStableDebt;
    uint256 totalVariableDebt;
    uint256 averageStableBorrowRate;
    uint256 reserveFactor;
    address reserve;
    address aToken;
  }

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

// File: lib/aave-address-book/src/AaveV2.sol



// SPDX-License-Identifier: MIT
pragma solidity >=0.6.0;
pragma experimental ABIEncoderV2;

library DataTypes {
  // refer to the whitepaper, section 1.1 basic concepts for a formal description of these properties.
  struct ReserveData {
    //stores the reserve configuration
    ReserveConfigurationMap configuration;
    //the liquidity index. Expressed in ray
    uint128 liquidityIndex;
    //variable borrow index. Expressed in ray
    uint128 variableBorrowIndex;
    //the current supply rate. Expressed in ray
    uint128 currentLiquidityRate;
    //the current variable borrow rate. Expressed in ray
    uint128 currentVariableBorrowRate;
    //the current stable borrow rate. Expressed in ray
    uint128 currentStableBorrowRate;
    uint40 lastUpdateTimestamp;
    //tokens addresses
    address aTokenAddress;
    address stableDebtTokenAddress;
    address variableDebtTokenAddress;
    //address of the interest rate strategy
    address interestRateStrategyAddress;
    //the id of the reserve. Represents the position in the list of the active reserves
    uint8 id;
  }

  struct ReserveConfigurationMap {
    //bit 0-15: LTV
    //bit 16-31: Liq. threshold
    //bit 32-47: Liq. bonus
    //bit 48-55: Decimals
    //bit 56: Reserve is active
    //bit 57: reserve is frozen
    //bit 58: borrowing is enabled
    //bit 59: stable rate borrowing enabled
    //bit 60-63: reserved
    //bit 64-79: reserve factor
    uint256 data;
  }

  struct UserConfigurationMap {
    uint256 data;
  }

  enum InterestRateMode {
    NONE,
    STABLE,
    VARIABLE
  }
}

library ConfiguratorInputTypes {
  struct InitReserveInput {
    address aTokenImpl;
    address stableDebtTokenImpl;
    address variableDebtTokenImpl;
    uint8 underlyingAssetDecimals;
    address interestRateStrategyAddress;
    address underlyingAsset;
    address treasury;
    address incentivesController;
    string underlyingAssetName;
    string aTokenName;
    string aTokenSymbol;
    string variableDebtTokenName;
    string variableDebtTokenSymbol;
    string stableDebtTokenName;
    string stableDebtTokenSymbol;
    bytes params;
  }

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

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

interface ILendingPoolAddressesProvider {
  event MarketIdSet(string newMarketId);
  event LendingPoolUpdated(address indexed newAddress);
  event ConfigurationAdminUpdated(address indexed newAddress);
  event EmergencyAdminUpdated(address indexed newAddress);
  event LendingPoolConfiguratorUpdated(address indexed newAddress);
  event LendingPoolCollateralManagerUpdated(address indexed newAddress);
  event PriceOracleUpdated(address indexed newAddress);
  event LendingRateOracleUpdated(address indexed newAddress);
  event ProxyCreated(bytes32 id, address indexed newAddress);
  event AddressSet(bytes32 id, address indexed newAddress, bool hasProxy);

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

  function setMarketId(string calldata marketId) external;

  function setAddress(bytes32 id, address newAddress) external;

  function setAddressAsProxy(bytes32 id, address impl) external;

  function getAddress(bytes32 id) external view returns (address);

  function getLendingPool() external view returns (address);

  function setLendingPoolImpl(address pool) external;

  function getLendingPoolConfigurator() external view returns (address);

  function setLendingPoolConfiguratorImpl(address configurator) external;

  function getLendingPoolCollateralManager() external view returns (address);

  function setLendingPoolCollateralManager(address manager) external;

  function getPoolAdmin() external view returns (address);

  function setPoolAdmin(address admin) external;

  function getEmergencyAdmin() external view returns (address);

  function setEmergencyAdmin(address admin) external;

  function getPriceOracle() external view returns (address);

  function setPriceOracle(address priceOracle) external;

  function getLendingRateOracle() external view returns (address);

  function setLendingRateOracle(address lendingRateOracle) external;
}

interface ILendingPool {
  /**
   * @dev Emitted on deposit()
   * @param reserve The address of the underlying asset of the reserve
   * @param user The address initiating the deposit
   * @param onBehalfOf The beneficiary of the deposit, receiving the aTokens
   * @param amount The amount deposited
   * @param referral The referral code used
   **/
  event Deposit(
    address indexed reserve,
    address user,
    address indexed onBehalfOf,
    uint256 amount,
    uint16 indexed referral
  );

  /**
   * @dev Emitted on withdraw()
   * @param reserve The address of the underlyng asset being withdrawn
   * @param user The address initiating the withdrawal, owner of aTokens
   * @param to Address that will receive the underlying
   * @param amount The amount to be withdrawn
   **/
  event Withdraw(address indexed reserve, address indexed user, address indexed to, uint256 amount);

  /**
   * @dev Emitted on borrow() and flashLoan() when debt needs to be opened
   * @param reserve The address of the underlying asset being borrowed
   * @param user The address of the user initiating the borrow(), receiving the funds on borrow() or just
   * initiator of the transaction on flashLoan()
   * @param onBehalfOf The address that will be getting the debt
   * @param amount The amount borrowed out
   * @param borrowRateMode The rate mode: 1 for Stable, 2 for Variable
   * @param borrowRate The numeric rate at which the user has borrowed
   * @param referral The referral code used
   **/
  event Borrow(
    address indexed reserve,
    address user,
    address indexed onBehalfOf,
    uint256 amount,
    uint256 borrowRateMode,
    uint256 borrowRate,
    uint16 indexed referral
  );

  /**
   * @dev Emitted on repay()
   * @param reserve The address of the underlying asset of the reserve
   * @param user The beneficiary of the repayment, getting his debt reduced
   * @param repayer The address of the user initiating the repay(), providing the funds
   * @param amount The amount repaid
   **/
  event Repay(
    address indexed reserve,
    address indexed user,
    address indexed repayer,
    uint256 amount
  );

  /**
   * @dev Emitted on swapBorrowRateMode()
   * @param reserve The address of the underlying asset of the reserve
   * @param user The address of the user swapping his rate mode
   * @param rateMode The rate mode that the user wants to swap to
   **/
  event Swap(address indexed reserve, address indexed user, uint256 rateMode);

  /**
   * @dev Emitted on setUserUseReserveAsCollateral()
   * @param reserve The address of the underlying asset of the reserve
   * @param user The address of the user enabling the usage as collateral
   **/
  event ReserveUsedAsCollateralEnabled(address indexed reserve, address indexed user);

  /**
   * @dev Emitted on setUserUseReserveAsCollateral()
   * @param reserve The address of the underlying asset of the reserve
   * @param user The address of the user enabling the usage as collateral
   **/
  event ReserveUsedAsCollateralDisabled(address indexed reserve, address indexed user);

  /**
   * @dev Emitted on rebalanceStableBorrowRate()
   * @param reserve The address of the underlying asset of the reserve
   * @param user The address of the user for which the rebalance has been executed
   **/
  event RebalanceStableBorrowRate(address indexed reserve, address indexed user);

  /**
   * @dev Emitted on flashLoan()
   * @param target The address of the flash loan receiver contract
   * @param initiator The address initiating the flash loan
   * @param asset The address of the asset being flash borrowed
   * @param amount The amount flash borrowed
   * @param premium The fee flash borrowed
   * @param referralCode The referral code used
   **/
  event FlashLoan(
    address indexed target,
    address indexed initiator,
    address indexed asset,
    uint256 amount,
    uint256 premium,
    uint16 referralCode
  );

  /**
   * @dev Emitted when the pause is triggered.
   */
  event Paused();

  /**
   * @dev Emitted when the pause is lifted.
   */
  event Unpaused();

  /**
   * @dev Emitted when a borrower is liquidated. This event is emitted by the LendingPool via
   * LendingPoolCollateral manager using a DELEGATECALL
   * This allows to have the events in the generated ABI for LendingPool.
   * @param collateralAsset The address of the underlying asset used as collateral, to receive as result of the liquidation
   * @param debtAsset The address of the underlying borrowed asset to be repaid with the liquidation
   * @param user The address of the borrower getting liquidated
   * @param debtToCover The debt amount of borrowed `asset` the liquidator wants to cover
   * @param liquidatedCollateralAmount The amount of collateral received by the liiquidator
   * @param liquidator The address of the liquidator
   * @param receiveAToken `true` if the liquidators wants to receive the collateral aTokens, `false` if he wants
   * to receive the underlying collateral asset directly
   **/
  event LiquidationCall(
    address indexed collateralAsset,
    address indexed debtAsset,
    address indexed user,
    uint256 debtToCover,
    uint256 liquidatedCollateralAmount,
    address liquidator,
    bool receiveAToken
  );

  /**
   * @dev Emitted when the state of a reserve is updated. NOTE: This event is actually declared
   * in the ReserveLogic library and emitted in the updateInterestRates() function. Since the function is internal,
   * the event will actually be fired by the LendingPool contract. The event is therefore replicated here so it
   * gets added to the LendingPool ABI
   * @param reserve The address of the underlying asset of the reserve
   * @param liquidityRate The new liquidity rate
   * @param stableBorrowRate The new stable borrow rate
   * @param variableBorrowRate The new variable borrow rate
   * @param liquidityIndex The new liquidity index
   * @param variableBorrowIndex The new variable borrow index
   **/
  event ReserveDataUpdated(
    address indexed reserve,
    uint256 liquidityRate,
    uint256 stableBorrowRate,
    uint256 variableBorrowRate,
    uint256 liquidityIndex,
    uint256 variableBorrowIndex
  );

  /**
   * @dev Deposits an `amount` of underlying asset into the reserve, receiving in return overlying aTokens.
   * - E.g. User deposits 100 USDC and gets in return 100 aUSDC
   * @param asset The address of the underlying asset to deposit
   * @param amount The amount to be deposited
   * @param onBehalfOf The address that will receive the aTokens, same as msg.sender if the user
   *   wants to receive them on his own wallet, or a different address if the beneficiary of aTokens
   *   is a different wallet
   * @param referralCode Code used to register the integrator originating the operation, for potential rewards.
   *   0 if the action is executed directly by the user, without any middle-man
   **/
  function deposit(address asset, uint256 amount, address onBehalfOf, uint16 referralCode) external;

  /**
   * @dev Withdraws an `amount` of underlying asset from the reserve, burning the equivalent aTokens owned
   * E.g. User has 100 aUSDC, calls withdraw() and receives 100 USDC, burning the 100 aUSDC
   * @param asset The address of the underlying asset to withdraw
   * @param amount The underlying amount to be withdrawn
   *   - Send the value type(uint256).max in order to withdraw the whole aToken balance
   * @param to Address that will receive the underlying, same as msg.sender if the user
   *   wants to receive it on his own wallet, or a different address if the beneficiary is a
   *   different wallet
   * @return The final amount withdrawn
   **/
  function withdraw(address asset, uint256 amount, address to) external returns (uint256);

  /**
   * @dev Allows users to borrow a specific `amount` of the reserve underlying asset, provided that the borrower
   * already deposited enough collateral, or he was given enough allowance by a credit delegator on the
   * corresponding debt token (StableDebtToken or VariableDebtToken)
   * - E.g. User borrows 100 USDC passing as `onBehalfOf` his own address, receiving the 100 USDC in his wallet
   *   and 100 stable/variable debt tokens, depending on the `interestRateMode`
   * @param asset The address of the underlying asset to borrow
   * @param amount The amount to be borrowed
   * @param interestRateMode The interest rate mode at which the user wants to borrow: 1 for Stable, 2 for Variable
   * @param referralCode Code used to register the integrator originating the operation, for potential rewards.
   *   0 if the action is executed directly by the user, without any middle-man
   * @param onBehalfOf Address of the user who will receive the debt. Should be the address of the borrower itself
   * calling the function if he wants to borrow against his own collateral, or the address of the credit delegator
   * if he has been given credit delegation allowance
   **/
  function borrow(
    address asset,
    uint256 amount,
    uint256 interestRateMode,
    uint16 referralCode,
    address onBehalfOf
  ) external;

  /**
   * @notice Repays a borrowed `amount` on a specific reserve, burning the equivalent debt tokens owned
   * - E.g. User repays 100 USDC, burning 100 variable/stable debt tokens of the `onBehalfOf` address
   * @param asset The address of the borrowed underlying asset previously borrowed
   * @param amount The amount to repay
   * - Send the value type(uint256).max in order to repay the whole debt for `asset` on the specific `debtMode`
   * @param rateMode The interest rate mode at of the debt the user wants to repay: 1 for Stable, 2 for Variable
   * @param onBehalfOf Address of the user who will get his debt reduced/removed. Should be the address of the
   * user calling the function if he wants to reduce/remove his own debt, or the address of any other
   * other borrower whose debt should be removed
   * @return The final amount repaid
   **/
  function repay(
    address asset,
    uint256 amount,
    uint256 rateMode,
    address onBehalfOf
  ) external returns (uint256);

  /**
   * @dev Allows a borrower to swap his debt between stable and variable mode, or viceversa
   * @param asset The address of the underlying asset borrowed
   * @param rateMode The rate mode that the user wants to swap to
   **/
  function swapBorrowRateMode(address asset, uint256 rateMode) external;

  /**
   * @dev Rebalances the stable interest rate of a user to the current stable rate defined on the reserve.
   * - Users can be rebalanced if the following conditions are satisfied:
   *     1. Usage ratio is above 95%
   *     2. the current deposit APY is below REBALANCE_UP_THRESHOLD * maxVariableBorrowRate, which means that too much has been
   *        borrowed at a stable rate and depositors are not earning enough
   * @param asset The address of the underlying asset borrowed
   * @param user The address of the user to be rebalanced
   **/
  function rebalanceStableBorrowRate(address asset, address user) external;

  /**
   * @dev Allows depositors to enable/disable a specific deposited asset as collateral
   * @param asset The address of the underlying asset deposited
   * @param useAsCollateral `true` if the user wants to use the deposit as collateral, `false` otherwise
   **/
  function setUserUseReserveAsCollateral(address asset, bool useAsCollateral) external;

  /**
   * @dev Function to liquidate a non-healthy position collateral-wise, with Health Factor below 1
   * - The caller (liquidator) covers `debtToCover` amount of debt of the user getting liquidated, and receives
   *   a proportionally amount of the `collateralAsset` plus a bonus to cover market risk
   * @param collateralAsset The address of the underlying asset used as collateral, to receive as result of the liquidation
   * @param debtAsset The address of the underlying borrowed asset to be repaid with the liquidation
   * @param user The address of the borrower getting liquidated
   * @param debtToCover The debt amount of borrowed `asset` the liquidator wants to cover
   * @param receiveAToken `true` if the liquidators wants to receive the collateral aTokens, `false` if he wants
   * to receive the underlying collateral asset directly
   **/
  function liquidationCall(
    address collateralAsset,
    address debtAsset,
    address user,
    uint256 debtToCover,
    bool receiveAToken
  ) external;

  /**
   * @dev Allows smartcontracts to access the liquidity of the pool within one transaction,
   * as long as the amount taken plus a fee is returned.
   * IMPORTANT There are security concerns for developers of flashloan receiver contracts that must be kept into consideration.
   * For further details please visit https://developers.aave.com
   * @param receiverAddress The address of the contract receiving the funds, implementing the IFlashLoanReceiver interface
   * @param assets The addresses of the assets being flash-borrowed
   * @param amounts The amounts amounts being flash-borrowed
   * @param modes Types of the debt to open if the flash loan is not returned:
   *   0 -> Don't open any debt, just revert if funds can't be transferred from the receiver
   *   1 -> Open debt at stable rate for the value of the amount flash-borrowed to the `onBehalfOf` address
   *   2 -> Open debt at variable rate for the value of the amount flash-borrowed to the `onBehalfOf` address
   * @param onBehalfOf The address  that will receive the debt in the case of using on `modes` 1 or 2
   * @param params Variadic packed params to pass to the receiver as extra information
   * @param referralCode Code used to register the integrator originating the operation, for potential rewards.
   *   0 if the action is executed directly by the user, without any middle-man
   **/
  function flashLoan(
    address receiverAddress,
    address[] calldata assets,
    uint256[] calldata amounts,
    uint256[] calldata modes,
    address onBehalfOf,
    bytes calldata params,
    uint16 referralCode
  ) external;

  /**
   * @dev Returns the user account data across all the reserves
   * @param user The address of the user
   * @return totalCollateralETH the total collateral in ETH of the user
   * @return totalDebtETH the total debt in ETH of the user
   * @return availableBorrowsETH the borrowing power left of the user
   * @return currentLiquidationThreshold the liquidation threshold of the user
   * @return ltv the loan to value of the user
   * @return healthFactor the current health factor of the user
   **/
  function getUserAccountData(
    address user
  )
    external
    view
    returns (
      uint256 totalCollateralETH,
      uint256 totalDebtETH,
      uint256 availableBorrowsETH,
      uint256 currentLiquidationThreshold,
      uint256 ltv,
      uint256 healthFactor
    );

  function initReserve(
    address reserve,
    address aTokenAddress,
    address stableDebtAddress,
    address variableDebtAddress,
    address interestRateStrategyAddress
  ) external;

  function setReserveInterestRateStrategyAddress(
    address reserve,
    address rateStrategyAddress
  ) external;

  function setConfiguration(address reserve, uint256 configuration) external;

  /**
   * @dev Returns the configuration of the reserve
   * @param asset The address of the underlying asset of the reserve
   * @return The configuration of the reserve
   **/
  function getConfiguration(
    address asset
  ) external view returns (DataTypes.ReserveConfigurationMap memory);

  /**
   * @dev Returns the configuration of the user across all the reserves
   * @param user The user address
   * @return The configuration of the user
   **/
  function getUserConfiguration(
    address user
  ) external view returns (DataTypes.UserConfigurationMap memory);

  /**
   * @dev Returns the normalized income normalized income of the reserve
   * @param asset The address of the underlying asset of the reserve
   * @return The reserve's normalized income
   */
  function getReserveNormalizedIncome(address asset) external view returns (uint256);

  /**
   * @dev Returns the normalized variable debt per unit of asset
   * @param asset The address of the underlying asset of the reserve
   * @return The reserve normalized variable debt
   */
  function getReserveNormalizedVariableDebt(address asset) external view returns (uint256);

  /**
   * @dev Returns the state and configuration of the reserve
   * @param asset The address of the underlying asset of the reserve
   * @return The state of the reserve
   **/
  function getReserveData(address asset) external view returns (DataTypes.ReserveData memory);

  function finalizeTransfer(
    address asset,
    address from,
    address to,
    uint256 amount,
    uint256 balanceFromAfter,
    uint256 balanceToBefore
  ) external;

  function getReservesList() external view returns (address[] memory);

  function getAddressesProvider() external view returns (ILendingPoolAddressesProvider);

  function setPause(bool val) external;

  function paused() external view returns (bool);
}

interface ILendingPoolConfigurator {
  /**
   * @dev Emitted when a reserve is initialized.
   * @param asset The address of the underlying asset of the reserve
   * @param aToken The address of the associated aToken contract
   * @param stableDebtToken The address of the associated stable rate debt token
   * @param variableDebtToken The address of the associated variable rate debt token
   * @param interestRateStrategyAddress The address of the interest rate strategy for the reserve
   **/
  event ReserveInitialized(
    address indexed asset,
    address indexed aToken,
    address stableDebtToken,
    address variableDebtToken,
    address interestRateStrategyAddress
  );

  /**
   * @dev Emitted when borrowing is enabled on a reserve
   * @param asset The address of the underlying asset of the reserve
   * @param stableRateEnabled True if stable rate borrowing is enabled, false otherwise
   **/
  event BorrowingEnabledOnReserve(address indexed asset, bool stableRateEnabled);

  /**
   * @dev Emitted when borrowing is disabled on a reserve
   * @param asset The address of the underlying asset of the reserve
   **/
  event BorrowingDisabledOnReserve(address indexed asset);

  /**
   * @dev Emitted when the collateralization risk parameters for the specified asset are updated.
   * @param asset The address of the underlying asset of the reserve
   * @param ltv The loan to value of the asset when used as collateral
   * @param liquidationThreshold The threshold at which loans using this asset as collateral will be considered undercollateralized
   * @param liquidationBonus The bonus liquidators receive to liquidate this asset
   **/
  event CollateralConfigurationChanged(
    address indexed asset,
    uint256 ltv,
    uint256 liquidationThreshold,
    uint256 liquidationBonus
  );

  /**
   * @dev Emitted when stable rate borrowing is enabled on a reserve
   * @param asset The address of the underlying asset of the reserve
   **/
  event StableRateEnabledOnReserve(address indexed asset);

  /**
   * @dev Emitted when stable rate borrowing is disabled on a reserve
   * @param asset The address of the underlying asset of the reserve
   **/
  event StableRateDisabledOnReserve(address indexed asset);

  /**
   * @dev Emitted when a reserve is activated
   * @param asset The address of the underlying asset of the reserve
   **/
  event ReserveActivated(address indexed asset);

  /**
   * @dev Emitted when a reserve is deactivated
   * @param asset The address of the underlying asset of the reserve
   **/
  event ReserveDeactivated(address indexed asset);

  /**
   * @dev Emitted when a reserve is frozen
   * @param asset The address of the underlying asset of the reserve
   **/
  event ReserveFrozen(address indexed asset);

  /**
   * @dev Emitted when a reserve is unfrozen
   * @param asset The address of the underlying asset of the reserve
   **/
  event ReserveUnfrozen(address indexed asset);

  /**
   * @dev Emitted when a reserve factor is updated
   * @param asset The address of the underlying asset of the reserve
   * @param factor The new reserve factor
   **/
  event ReserveFactorChanged(address indexed asset, uint256 factor);

  /**
   * @dev Emitted when the reserve decimals are updated
   * @param asset The address of the underlying asset of the reserve
   * @param decimals The new decimals
   **/
  event ReserveDecimalsChanged(address indexed asset, uint256 decimals);

  /**
   * @dev Emitted when a reserve interest strategy contract is updated
   * @param asset The address of the underlying asset of the reserve
   * @param strategy The new address of the interest strategy contract
   **/
  event ReserveInterestRateStrategyChanged(address indexed asset, address strategy);

  /**
   * @dev Emitted when an aToken implementation is upgraded
   * @param asset The address of the underlying asset of the reserve
   * @param proxy The aToken proxy address
   * @param implementation The new aToken implementation
   **/
  event ATokenUpgraded(
    address indexed asset,
    address indexed proxy,
    address indexed implementation
  );

  /**
   * @dev Emitted when the implementation of a stable debt token is upgraded
   * @param asset The address of the underlying asset of the reserve
   * @param proxy The stable debt token proxy address
   * @param implementation The new aToken implementation
   **/
  event StableDebtTokenUpgraded(
    address indexed asset,
    address indexed proxy,
    address indexed implementation
  );

  /**
   * @dev Emitted when the implementation of a variable debt token is upgraded
   * @param asset The address of the underlying asset of the reserve
   * @param proxy The variable debt token proxy address
   * @param implementation The new aToken implementation
   **/
  event VariableDebtTokenUpgraded(
    address indexed asset,
    address indexed proxy,
    address indexed implementation
  );

  /**
   * @dev Initializes a reserve
   * @param aTokenImpl  The address of the aToken contract implementation
   * @param stableDebtTokenImpl The address of the stable debt token contract
   * @param variableDebtTokenImpl The address of the variable debt token contract
   * @param underlyingAssetDecimals The decimals of the reserve underlying asset
   * @param interestRateStrategyAddress The address of the interest rate strategy contract for this reserve
   **/
  function initReserve(
    address aTokenImpl,
    address stableDebtTokenImpl,
    address variableDebtTokenImpl,
    uint8 underlyingAssetDecimals,
    address interestRateStrategyAddress
  ) external;

  function batchInitReserve(ConfiguratorInputTypes.InitReserveInput[] calldata input) external;

  /**
   * @dev Updates the aToken implementation for the reserve
   * @param asset The address of the underlying asset of the reserve to be updated
   * @param implementation The address of the new aToken implementation
   **/
  function updateAToken(address asset, address implementation) external;

  /**
   * @dev Updates the stable debt token implementation for the reserve
   * @param asset The address of the underlying asset of the reserve to be updated
   * @param implementation The address of the new aToken implementation
   **/
  function updateStableDebtToken(address asset, address implementation) external;

  /**
   * @dev Updates the variable debt token implementation for the asset
   * @param asset The address of the underlying asset of the reserve to be updated
   * @param implementation The address of the new aToken implementation
   **/
  function updateVariableDebtToken(address asset, address implementation) external;

  /**
   * @dev Enables borrowing on a reserve
   * @param asset The address of the underlying asset of the reserve
   * @param stableBorrowRateEnabled True if stable borrow rate needs to be enabled by default on this reserve
   **/
  function enableBorrowingOnReserve(address asset, bool stableBorrowRateEnabled) external;

  /**
   * @dev Disables borrowing on a reserve
   * @param asset The address of the underlying asset of the reserve
   **/
  function disableBorrowingOnReserve(address asset) external;

  /**
   * @dev Configures the reserve collateralization parameters
   * all the values are expressed in percentages with two decimals of precision. A valid value is 10000, which means 100.00%
   * @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. The values is always above 100%. A value of 105%
   * means the liquidator will receive a 5% bonus
   **/
  function configureReserveAsCollateral(
    address asset,
    uint256 ltv,
    uint256 liquidationThreshold,
    uint256 liquidationBonus
  ) external;

  /**
   * @dev Enable stable rate borrowing on a reserve
   * @param asset The address of the underlying asset of the reserve
   **/
  function enableReserveStableRate(address asset) external;

  /**
   * @dev Disable stable rate borrowing on a reserve
   * @param asset The address of the underlying asset of the reserve
   **/
  function disableReserveStableRate(address asset) external;

  /**
   * @dev Activates a reserve
   * @param asset The address of the underlying asset of the reserve
   **/
  function activateReserve(address asset) external;

  /**
   * @dev Deactivates a reserve
   * @param asset The address of the underlying asset of the reserve
   **/
  function deactivateReserve(address asset) external;

  /**
   * @dev Freezes a reserve. A frozen reserve doesn't allow any new deposit, borrow or rate swap
   *  but allows repayments, liquidations, rate rebalances and withdrawals
   * @param asset The address of the underlying asset of the reserve
   **/
  function freezeReserve(address asset) external;

  /**
   * @dev Unfreezes a reserve
   * @param asset The address of the underlying asset of the reserve
   **/
  function unfreezeReserve(address asset) external;

  /**
   * @dev Updates the reserve factor of a reserve
   * @param asset The address of the underlying asset of the reserve
   * @param reserveFactor The new reserve factor of the reserve
   **/
  function setReserveFactor(address asset, uint256 reserveFactor) external;

  /**
   * @dev Sets the interest rate strategy of a reserve
   * @param asset The address of the underlying asset of the reserve
   * @param rateStrategyAddress The new address of the interest strategy contract
   **/
  function setReserveInterestRateStrategyAddress(
    address asset,
    address rateStrategyAddress
  ) external;

  /**
   * @dev pauses or unpauses all the actions of the protocol, including aToken transfers
   * @param val true if protocol needs to be paused, false otherwise
   **/
  function setPoolPause(bool val) external;
}

interface IAaveOracle {
  event WethSet(address indexed weth);
  event AssetSourceUpdated(address indexed asset, address indexed source);
  event FallbackOracleUpdated(address indexed fallbackOracle);

  /// @notice Returns the WETH address (reference asset of the oracle)
  function WETH() external returns (address);

  /// @notice External function called by the Aave governance to set or replace sources of assets
  /// @param assets The addresses of the assets
  /// @param sources The address of the source of each asset
  function setAssetSources(address[] calldata assets, address[] calldata sources) external;

  /// @notice Sets the fallbackOracle
  /// - Callable only by the Aave governance
  /// @param fallbackOracle The address of the fallbackOracle
  function setFallbackOracle(address fallbackOracle) external;

  /// @notice Gets an asset price by address
  /// @param asset The asset address
  function getAssetPrice(address asset) external view returns (uint256);

  /// @notice Gets a list of prices from a list of assets addresses
  /// @param assets The list of assets addresses
  function getAssetsPrices(address[] calldata assets) external view returns (uint256[] memory);

  /// @notice Gets the address of the source for an asset address
  /// @param asset The address of the asset
  /// @return address The address of the source
  function getSourceOfAsset(address asset) external view returns (address);

  /// @notice Gets the address of the fallback oracle
  /// @return address The addres of the fallback oracle
  function getFallbackOracle() external view returns (address);
}

struct TokenData {
  string symbol;
  address tokenAddress;
}

// TODO: incomplete interface
interface IAaveProtocolDataProvider {
  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
    );

  function getAllReservesTokens() external view returns (TokenData[] memory);

  function getReserveTokensAddresses(
    address asset
  )
    external
    view
    returns (
      address aTokenAddress,
      address stableDebtTokenAddress,
      address variableDebtTokenAddress
    );

  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
    );
}

// File: lib/aave-address-book/src/AaveV2Ethereum.sol



// SPDX-License-Identifier: MIT
// AUTOGENERATED - DON'T MANUALLY CHANGE
pragma solidity >=0.6.0;

import {ILendingPoolAddressesProvider, ILendingPool, ILendingPoolConfigurator, IAaveOracle, IAaveProtocolDataProvider} from './AaveV2.sol';

library AaveV2Ethereum {
  ILendingPoolAddressesProvider internal constant POOL_ADDRESSES_PROVIDER =
    ILendingPoolAddressesProvider(0xB53C1a33016B2DC2fF3653530bfF1848a515c8c5);

  ILendingPool internal constant POOL = ILendingPool(0x7d2768dE32b0b80b7a3454c06BdAc94A69DDc7A9);

  ILendingPoolConfigurator internal constant POOL_CONFIGURATOR =
    ILendingPoolConfigurator(0x311Bb771e4F8952E6Da169b425E7e92d6Ac45756);

  IAaveOracle internal constant ORACLE = IAaveOracle(0xA50ba011c48153De246E5192C8f9258A2ba79Ca9);

  IAaveProtocolDataProvider internal constant AAVE_PROTOCOL_DATA_PROVIDER =
    IAaveProtocolDataProvider(0x057835Ad21a177dbdd3090bB1CAE03EaCF78Fc6d);

  address internal constant POOL_ADMIN = 0xEE56e2B3D491590B5b31738cC34d5232F378a8D5;

  address internal constant EMERGENCY_ADMIN = 0xCA76Ebd8617a03126B6FB84F9b1c1A0fB71C2633;

  address internal constant COLLECTOR = 0x464C71f6c2F760DdA6093dCB91C24c39e5d6e18c;

  address internal constant COLLECTOR_CONTROLLER = 0x3d569673dAa0575c936c7c67c4E6AedA69CC630C;

  address internal constant POOL_ADDRESSES_PROVIDER_REGISTRY =
    0x52D306e36E3B6B02c153d0266ff0f85d18BCD413;

  address internal constant WETH_GATEWAY = 0xEFFC18fC3b7eb8E676dac549E0c693ad50D1Ce31;

  address internal constant REPAY_WITH_COLLATERAL_ADAPTER =
    0x80Aca0C645fEdABaa20fd2Bf0Daf57885A309FE6;

  address internal constant SWAP_COLLATERAL_ADAPTER = 0x135896DE8421be2ec868E0b811006171D9df802A;
}

// File: lib/aave-address-book/src/AaveV3.sol



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

import {DataTypes} from 'aave-v3-core/contracts/protocol/libraries/types/DataTypes.sol';
import {ConfiguratorInputTypes} from 'aave-v3-core/contracts/protocol/libraries/types/ConfiguratorInputTypes.sol';
import {IPoolAddressesProvider} from 'aave-v3-core/contracts/interfaces/IPoolAddressesProvider.sol';
import {IPool} from 'aave-v3-core/contracts/interfaces/IPool.sol';
import {IPoolConfigurator} from 'aave-v3-core/contracts/interfaces/IPoolConfigurator.sol';
import {IPriceOracleGetter} from 'aave-v3-core/contracts/interfaces/IPriceOracleGetter.sol';
import {IAaveOracle} from 'aave-v3-core/contracts/interfaces/IAaveOracle.sol';
import {IACLManager as BasicIACLManager} from 'aave-v3-core/contracts/interfaces/IACLManager.sol';
import {IPoolDataProvider} from 'aave-v3-core/contracts/interfaces/IPoolDataProvider.sol';
import {IDefaultInterestRateStrategy} from 'aave-v3-core/contracts/interfaces/IDefaultInterestRateStrategy.sol';
import {IReserveInterestRateStrategy} from 'aave-v3-core/contracts/interfaces/IReserveInterestRateStrategy.sol';
import {IPoolDataProvider as IAaveProtocolDataProvider} from 'aave-v3-core/contracts/interfaces/IPoolDataProvider.sol';

/**
 * @title ICollector
 * @notice Defines the interface of the Collector contract
 * @author Aave
 **/
interface ICollector {
  /**
   * @dev Emitted during the transfer of ownership of the funds administrator address
   * @param fundsAdmin The new funds administrator address
   **/
  event NewFundsAdmin(address indexed fundsAdmin);

  /**
   * @dev Retrieve the current implementation Revision of the proxy
   * @return The revision version
   */
  function REVISION() external view returns (uint256);

  /**
   * @dev Retrieve the current funds administrator
   * @return The address of the funds administrator
   */
  function getFundsAdmin() external view returns (address);

  /**
   * @dev Approve an amount of tokens to be pulled by the recipient.
   * @param token The address of the asset
   * @param recipient The address of the entity allowed to pull tokens
   * @param amount The amount allowed to be pulled. If zero it will revoke the approval.
   */
  function approve(
    // IERC20 token,
    address token,
    address recipient,
    uint256 amount
  ) external;

  /**
   * @dev Transfer an amount of tokens to the recipient.
   * @param token The address of the asset
   * @param recipient The address of the entity to transfer the tokens.
   * @param amount The amount to be transferred.
   */
  function transfer(
    // IERC20 token,
    address token,
    address recipient,
    uint256 amount
  ) external;

  /**
   * @dev Transfer the ownership of the funds administrator role.
          This function should only be callable by the current funds administrator.
   * @param admin The address of the new funds administrator
   */
  function setFundsAdmin(address admin) external;
}

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;
}

// File: lib/aave-address-book/src/AaveV3Ethereum.sol



// SPDX-License-Identifier: MIT
// AUTOGENERATED - DON'T MANUALLY CHANGE
pragma solidity >=0.6.0;

import {IPoolAddressesProvider, IPool, IPoolConfigurator, IAaveOracle, IPoolDataProvider, IACLManager, ICollector} from './AaveV3.sol';

library AaveV3Ethereum {
  IPoolAddressesProvider internal constant POOL_ADDRESSES_PROVIDER =
    IPoolAddressesProvider(0x2f39d218133AFaB8F2B819B1066c7E434Ad94E9e);

  IPool internal constant POOL = IPool(0x87870Bca3F3fD6335C3F4ce8392D69350B4fA4E2);

  IPoolConfigurator internal constant POOL_CONFIGURATOR =
    IPoolConfigurator(0x64b761D848206f447Fe2dd461b0c635Ec39EbB27);

  IAaveOracle internal constant ORACLE = IAaveOracle(0x54586bE62E3c3580375aE3723C145253060Ca0C2);

  IPoolDataProvider internal constant AAVE_PROTOCOL_DATA_PROVIDER =
    IPoolDataProvider(0x7B4EB56E7CD4b454BA8ff71E4518426369a138a3);

  IACLManager internal constant ACL_MANAGER =
    IACLManager(0xc2aaCf6553D20d1e9d78E365AAba8032af9c85b0);

  address internal constant ACL_ADMIN = 0xEE56e2B3D491590B5b31738cC34d5232F378a8D5;

  address internal constant POOL_ADDRESSES_PROVIDER_REGISTRY =
    0xbaA999AC55EAce41CcAE355c77809e68Bb345170;

  address internal constant WETH_GATEWAY = 0xD322A49006FC828F9B5B37Ab215F99B4E5caB19C;

  address internal constant EMISSION_MANAGER = 0x223d844fc4B006D67c0cDbd39371A9F73f69d974;

  address internal constant COLLECTOR_CONTROLLER = 0x3d569673dAa0575c936c7c67c4E6AedA69CC630C;

  address internal constant COLLECTOR = 0x464C71f6c2F760DdA6093dCB91C24c39e5d6e18c;

  address internal constant DEFAULT_VARIABLE_DEBT_TOKEN_IMPL_REV_1 =
    0xaC725CB59D16C81061BDeA61041a8A5e73DA9EC6;

  address internal constant DEFAULT_STABLE_DEBT_TOKEN_IMPL_REV_1 =
    0x15C5620dfFaC7c7366EED66C20Ad222DDbB1eD57;

  address internal constant DEFAULT_A_TOKEN_IMPL_REV_1 = 0x7EfFD7b47Bfd17e52fB7559d3f924201b9DbfF3d;

  address internal constant DEFAULT_INCENTIVES_CONTROLLER =
    0x8164Cc65827dcFe994AB23944CBC90e0aa80bFcb;

  address internal constant REPAY_WITH_COLLATERAL_ADAPTER =
    0x1809f186D680f239420B56948C58F8DbbCdf1E18;

  address internal constant SWAP_COLLATERAL_ADAPTER = 0x872fBcb1B582e8Cd0D0DD4327fBFa0B4C2730995;

  address internal constant LISTING_ENGINE = 0xC51e6E38d406F98049622Ca54a6096a23826B426;
}

// File: lib/solidity-utils/src/contracts/oz-common/Address.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (utils/Address.sol)
// From commit https://github.com/OpenZeppelin/openzeppelin-contracts/commit/8b778fa20d6d76340c5fac1ed66c80273f05b95a

pragma solidity ^0.8.1;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
  /**
   * @dev Returns true if `account` is a contract.
   *
   * [IMPORTANT]
   * ====
   * It is unsafe to assume that an address for which this function returns
   * false is an externally-owned account (EOA) and not a contract.
   *
   * Among others, `isContract` will return false for the following
   * types of addresses:
   *
   *  - an externally-owned account
   *  - a contract in construction
   *  - an address where a contract will be created
   *  - an address where a contract lived, but was destroyed
   * ====
   *
   * [IMPORTANT]
   * ====
   * You shouldn't rely on `isContract` to protect against flash loan attacks!
   *
   * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
   * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
   * constructor.
   * ====
   */
  function isContract(address account) internal view returns (bool) {
    // This method relies on extcodesize/address.code.length, which returns 0
    // for contracts in construction, since the code is only stored at the end
    // of the constructor execution.

    return account.code.length > 0;
  }

  /**
   * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
   * `recipient`, forwarding all available gas and reverting on errors.
   *
   * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
   * of certain opcodes, possibly making contracts go over the 2300 gas limit
   * imposed by `transfer`, making them unable to receive funds via
   * `transfer`. {sendValue} removes this limitation.
   *
   * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
   *
   * IMPORTANT: because control is transferred to `recipient`, care must be
   * taken to not create reentrancy vulnerabilities. Consider using
   * {ReentrancyGuard} or the
   * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
   */
  function sendValue(address payable recipient, uint256 amount) internal {
    require(address(this).balance >= amount, 'Address: insufficient balance');

    (bool success, ) = recipient.call{value: amount}('');
    require(success, 'Address: unable to send value, recipient may have reverted');
  }

  /**
   * @dev Performs a Solidity function call using a low level `call`. A
   * plain `call` is an unsafe replacement for a function call: use this
   * function instead.
   *
   * If `target` reverts with a revert reason, it is bubbled up by this
   * function (like regular Solidity function calls).
   *
   * Returns the raw returned data. To convert to the expected return value,
   * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
   *
   * Requirements:
   *
   * - `target` must be a contract.
   * - calling `target` with `data` must not revert.
   *
   * _Available since v3.1._
   */
  function functionCall(address target, bytes memory data) internal returns (bytes memory) {
    return functionCallWithValue(target, data, 0, 'Address: low-level call failed');
  }

  /**
   * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
   * `errorMessage` as a fallback revert reason when `target` reverts.
   *
   * _Available since v3.1._
   */
  function functionCall(
    address target,
    bytes memory data,
    string memory errorMessage
  ) internal returns (bytes memory) {
    return functionCallWithValue(target, data, 0, errorMessage);
  }

  /**
   * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
   * but also transferring `value` wei to `target`.
   *
   * Requirements:
   *
   * - the calling contract must have an ETH balance of at least `value`.
   * - the called Solidity function must be `payable`.
   *
   * _Available since v3.1._
   */
  function functionCallWithValue(
    address target,
    bytes memory data,
    uint256 value
  ) internal returns (bytes memory) {
    return functionCallWithValue(target, data, value, 'Address: low-level call with value failed');
  }

  /**
   * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
   * with `errorMessage` as a fallback revert reason when `target` reverts.
   *
   * _Available since v3.1._
   */
  function functionCallWithValue(
    address target,
    bytes memory data,
    uint256 value,
    string memory errorMessage
  ) internal returns (bytes memory) {
    require(address(this).balance >= value, 'Address: insufficient balance for call');
    (bool success, bytes memory returndata) = target.call{value: value}(data);
    return verifyCallResultFromTarget(target, success, returndata, errorMessage);
  }

  /**
   * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
   * but performing a static call.
   *
   * _Available since v3.3._
   */
  function functionStaticCall(address target, bytes memory data)
    internal
    view
    returns (bytes memory)
  {
    return functionStaticCall(target, data, 'Address: low-level static call failed');
  }

  /**
   * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
   * but performing a static call.
   *
   * _Available since v3.3._
   */
  function functionStaticCall(
    address target,
    bytes memory data,
    string memory errorMessage
  ) internal view returns (bytes memory) {
    (bool success, bytes memory returndata) = target.staticcall(data);
    return verifyCallResultFromTarget(target, success, returndata, errorMessage);
  }

  /**
   * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
   * but performing a delegate call.
   *
   * _Available since v3.4._
   */
  function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
    return functionDelegateCall(target, data, 'Address: low-level delegate call failed');
  }

  /**
   * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
   * but performing a delegate call.
   *
   * _Available since v3.4._
   */
  function functionDelegateCall(
    address target,
    bytes memory data,
    string memory errorMessage
  ) internal returns (bytes memory) {
    (bool success, bytes memory returndata) = target.delegatecall(data);
    return verifyCallResultFromTarget(target, success, returndata, errorMessage);
  }

  /**
   * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
   * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
   *
   * _Available since v4.8._
   */
  function verifyCallResultFromTarget(
    address target,
    bool success,
    bytes memory returndata,
    string memory errorMessage
  ) internal view returns (bytes memory) {
    if (success) {
      if (returndata.length == 0) {
        // only check isContract if the call was successful and the return data is empty
        // otherwise we already know that it was a contract
        require(isContract(target), 'Address: call to non-contract');
      }
      return returndata;
    } else {
      _revert(returndata, errorMessage);
    }
  }

  /**
   * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
   * revert reason or using the provided one.
   *
   * _Available since v4.3._
   */
  function verifyCallResult(
    bool success,
    bytes memory returndata,
    string memory errorMessage
  ) internal pure returns (bytes memory) {
    if (success) {
      return returndata;
    } else {
      _revert(returndata, errorMessage);
    }
  }

  function _revert(bytes memory returndata, string memory errorMessage) private pure {
    // Look for revert reason and bubble it up if present
    if (returndata.length > 0) {
      // The easiest way to bubble the revert reason is using memory via assembly
      /// @solidity memory-safe-assembly
      assembly {
        let returndata_size := mload(returndata)
        revert(add(32, returndata), returndata_size)
      }
    } else {
      revert(errorMessage);
    }
  }
}

// File: lib/solidity-utils/src/contracts/oz-common/Context.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)
// From commit https://github.com/OpenZeppelin/openzeppelin-contracts/commit/8b778fa20d6d76340c5fac1ed66c80273f05b95a

pragma solidity ^0.8.0;

/**
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
  function _msgSender() internal view virtual returns (address) {
    return msg.sender;
  }

  function _msgData() internal view virtual returns (bytes calldata) {
    return msg.data;
  }
}

// File: lib/solidity-utils/src/contracts/oz-common/Ownable.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol)
// From commit https://github.com/OpenZeppelin/openzeppelin-contracts/commit/8b778fa20d6d76340c5fac1ed66c80273f05b95a

pragma solidity ^0.8.0;

import './Context.sol';

/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * By default, the owner account will be the one that deploys the contract. This
 * can later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract Ownable is Context {
  address private _owner;

  event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

  /**
   * @dev Initializes the contract setting the deployer as the initial owner.
   */
  constructor() {
    _transferOwnership(_msgSender());
  }

  /**
   * @dev Throws if called by any account other than the owner.
   */
  modifier onlyOwner() {
    _checkOwner();
    _;
  }

  /**
   * @dev Returns the address of the current owner.
   */
  function owner() public view virtual returns (address) {
    return _owner;
  }

  /**
   * @dev Throws if the sender is not the owner.
   */
  function _checkOwner() internal view virtual {
    require(owner() == _msgSender(), 'Ownable: caller is not the owner');
  }

  /**
   * @dev Leaves the contract without owner. It will not be possible to call
   * `onlyOwner` functions anymore. Can only be called by the current owner.
   *
   * NOTE: Renouncing ownership will leave the contract without an owner,
   * thereby removing any functionality that is only available to the owner.
   */
  function renounceOwnership() public virtual onlyOwner {
    _transferOwnership(address(0));
  }

  /**
   * @dev Transfers ownership of the contract to a new account (`newOwner`).
   * Can only be called by the current owner.
   */
  function transferOwnership(address newOwner) public virtual onlyOwner {
    require(newOwner != address(0), 'Ownable: new owner is the zero address');
    _transferOwnership(newOwner);
  }

  /**
   * @dev Transfers ownership of the contract to a new account (`newOwner`).
   * Internal function without access restriction.
   */
  function _transferOwnership(address newOwner) internal virtual {
    address oldOwner = _owner;
    _owner = newOwner;
    emit OwnershipTransferred(oldOwner, newOwner);
  }
}

// File: lib/solidity-utils/src/contracts/oz-common/SafeERC20.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (token/ERC20/utils/SafeERC20.sol)
// From commit https://github.com/OpenZeppelin/openzeppelin-contracts/commit/3dac7bbed7b4c0dbf504180c33e8ed8e350b93eb

pragma solidity ^0.8.0;

import "./interfaces/IERC20.sol";
import "./interfaces/draft-IERC20Permit.sol";
import "./Address.sol";

/**
 * @title SafeERC20
 * @dev Wrappers around ERC20 operations that throw on failure (when the token
 * contract returns false). Tokens that return no value (and instead revert or
 * throw on failure) are also supported, non-reverting calls are assumed to be
 * successful.
 * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,
 * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
 */
library SafeERC20 {
    using Address for address;

    function safeTransfer(
        IERC20 token,
        address to,
        uint256 value
    ) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
    }

    function safeTransferFrom(
        IERC20 token,
        address from,
        address to,
        uint256 value
    ) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
    }

    /**
     * @dev Deprecated. This function has issues similar to the ones found in
     * {IERC20-approve}, and its usage is discouraged.
     *
     * Whenever possible, use {safeIncreaseAllowance} and
     * {safeDecreaseAllowance} instead.
     */
    function safeApprove(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        // safeApprove should only be called when setting an initial allowance,
        // or when resetting it to zero. To increase and decrease it, use
        // 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
        require(
            (value == 0) || (token.allowance(address(this), spender) == 0),
            "SafeERC20: approve from non-zero to non-zero allowance"
        );
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
    }

    function safeIncreaseAllowance(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        uint256 newAllowance = token.allowance(address(this), spender) + value;
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
    }

    function safeDecreaseAllowance(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        unchecked {
            uint256 oldAllowance = token.allowance(address(this), spender);
            require(oldAllowance >= value, "SafeERC20: decreased allowance below zero");
            uint256 newAllowance = oldAllowance - value;
            _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
        }
    }

    function safePermit(
        IERC20Permit token,
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal {
        uint256 nonceBefore = token.nonces(owner);
        token.permit(owner, spender, value, deadline, v, r, s);
        uint256 nonceAfter = token.nonces(owner);
        require(nonceAfter == nonceBefore + 1, "SafeERC20: permit did not succeed");
    }

    /**
     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
     * on the return value: the return value is optional (but if data is returned, it must not be false).
     * @param token The token targeted by the call.
     * @param data The call data (encoded using abi.encode or one of its variants).
     */
    function _callOptionalReturn(IERC20 token, bytes memory data) private {
        // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
        // we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that
        // the target address contains contract code and also asserts for success in the low-level call.

        bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
        if (returndata.length > 0) {
            // Return data is optional
            require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
        }
    }
}
// File: lib/solidity-utils/src/contracts/oz-common/interfaces/IERC20.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/IERC20.sol)
// From commit https://github.com/OpenZeppelin/openzeppelin-contracts/commit/a035b235b4f2c9af4ba88edc4447f02e37f8d124

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
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 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 `to`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address to, 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 `from` to `to` 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 from,
        address to,
        uint256 amount
    ) external returns (bool);
}
// File: lib/solidity-utils/src/contracts/oz-common/interfaces/IERC20WithPermit.sol



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

import {IERC20} from './IERC20.sol';
import {IERC20Permit} from './draft-IERC20Permit.sol';

interface IERC20WithPermit is IERC20, IERC20Permit {}

// File: lib/solidity-utils/src/contracts/oz-common/interfaces/draft-IERC20Permit.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/draft-IERC20Permit.sol)
// From commit https://github.com/OpenZeppelin/openzeppelin-contracts/commit/6bd6b76d1156e20e45d1016f355d154141c7e5b9

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in
 * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612].
 *
 * Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by
 * presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't
 * need to send a transaction, and thus is not required to hold Ether at all.
 */
interface IERC20Permit {
    /**
     * @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens,
     * given ``owner``'s signed approval.
     *
     * IMPORTANT: The same issues {IERC20-approve} has related to transaction
     * ordering also apply here.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     * - `deadline` must be a timestamp in the future.
     * - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner`
     * over the EIP712-formatted function arguments.
     * - the signature must use ``owner``'s current nonce (see {nonces}).
     *
     * For more information on the signature format, see the
     * https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP
     * section].
     */
    function permit(
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external;

    /**
     * @dev Returns the current nonce for `owner`. This value must be
     * included whenever a signature is generated for {permit}.
     *
     * Every successful call to {permit} increases ``owner``'s nonce by one. This
     * prevents a signature from being used multiple times.
     */
    function nonces(address owner) external view returns (uint256);

    /**
     * @dev Returns the domain separator used in the encoding of the signature for {permit}, as defined by {EIP712}.
     */
    // solhint-disable-next-line func-name-mixedcase
    function DOMAIN_SEPARATOR() external view returns (bytes32);
}
// File: src/contracts/MigrationHelper.sol



// SPDX-License-Identifier: MIT
pragma solidity ^0.8.10;

import {IERC20WithPermit} from 'solidity-utils/contracts/oz-common/interfaces/IERC20WithPermit.sol';
import {SafeERC20} from 'solidity-utils/contracts/oz-common/SafeERC20.sol';
import {DataTypes, ILendingPool as IV2Pool} from 'aave-address-book/AaveV2.sol';
import {IPool as IV3Pool} from 'aave-address-book/AaveV3.sol';
import {Ownable} from 'solidity-utils/contracts/oz-common/Ownable.sol';

import {IMigrationHelper} from '../interfaces/IMigrationHelper.sol';

/**
 * @title MigrationHelper
 * @author BGD Labs
 * @dev Contract to migrate positions from Aave v2 to Aave v3 pool
 */
contract MigrationHelper is Ownable, IMigrationHelper {
  using SafeERC20 for IERC20WithPermit;

  /// @inheritdoc IMigrationHelper
  IV2Pool public immutable V2_POOL;

  /// @inheritdoc IMigrationHelper
  IV3Pool public immutable V3_POOL;

  mapping(address => IERC20WithPermit) public aTokens;
  mapping(address => IERC20WithPermit) public vTokens;
  mapping(address => IERC20WithPermit) public sTokens;

  /**
   * @notice Constructor.
   * @param v3Pool The v3 pool
   * @param v2Pool The v2 pool
   */
  constructor(IV3Pool v3Pool, IV2Pool v2Pool) {
    V3_POOL = v3Pool;
    V2_POOL = v2Pool;
    cacheATokens();
  }

  /// @inheritdoc IMigrationHelper
  function cacheATokens() public {
    DataTypes.ReserveData memory reserveData;
    address[] memory reserves = V2_POOL.getReservesList();
    for (uint256 i = 0; i < reserves.length; i++) {
      if (address(aTokens[reserves[i]]) == address(0)) {
        reserveData = V2_POOL.getReserveData(reserves[i]);
        aTokens[reserves[i]] = IERC20WithPermit(reserveData.aTokenAddress);
        vTokens[reserves[i]] = IERC20WithPermit(reserveData.variableDebtTokenAddress);
        sTokens[reserves[i]] = IERC20WithPermit(reserveData.stableDebtTokenAddress);

        IERC20WithPermit(reserves[i]).safeApprove(address(V2_POOL), type(uint256).max);
        IERC20WithPermit(reserves[i]).safeApprove(address(V3_POOL), type(uint256).max);
      }
    }
  }

  /// @inheritdoc IMigrationHelper
  function migrate(
    address[] memory assetsToMigrate,
    RepaySimpleInput[] memory positionsToRepay,
    PermitInput[] memory permits,
    CreditDelegationInput[] memory creditDelegationPermits
  ) external {
    for (uint256 i = 0; i < permits.length; i++) {
      permits[i].aToken.permit(
        msg.sender,
        address(this),
        permits[i].value,
        permits[i].deadline,
        permits[i].v,
        permits[i].r,
        permits[i].s
      );
    }

    if (positionsToRepay.length == 0) {
      _migrationNoBorrow(msg.sender, assetsToMigrate);
    } else {
      for (uint256 i = 0; i < creditDelegationPermits.length; i++) {
        creditDelegationPermits[i].debtToken.delegationWithSig(
          msg.sender,
          address(this),
          creditDelegationPermits[i].value,
          creditDelegationPermits[i].deadline,
          creditDelegationPermits[i].v,
          creditDelegationPermits[i].r,
          creditDelegationPermits[i].s
        );
      }

      (
        RepayInput[] memory positionsToRepayWithAmounts,
        address[] memory assetsToFlash,
        uint256[] memory amountsToFlash,
        uint256[] memory interestRatesToFlash
      ) = _getFlashloanParams(positionsToRepay);

      V3_POOL.flashLoan(
        address(this),
        assetsToFlash,
        amountsToFlash,
        interestRatesToFlash,
        msg.sender,
        abi.encode(assetsToMigrate, positionsToRepayWithAmounts, msg.sender),
        6671
      );
    }
  }

  /**
   * @dev expected structure of the params:
   *    assetsToMigrate - the list of supplied assets to migrate
   *    positionsToRepay - the list of borrowed positions, asset address, amount and debt type should be provided
   *    beneficiary - the user who requested the migration
    @inheritdoc IMigrationHelper
   */
  function executeOperation(
    address[] calldata,
    uint256[] calldata,
    uint256[] calldata,
    address initiator,
    bytes calldata params
  ) external returns (bool) {
    require(msg.sender == address(V3_POOL), 'ONLY_V3_POOL_ALLOWED');
    require(initiator == address(this), 'ONLY_INITIATED_BY_MIGRATION_HELPER');

    (address[] memory assetsToMigrate, RepayInput[] memory positionsToRepay, address user) = abi
      .decode(params, (address[], RepayInput[], address));

    for (uint256 i = 0; i < positionsToRepay.length; i++) {
      V2_POOL.repay(
        positionsToRepay[i].asset,
        positionsToRepay[i].amount,
        positionsToRepay[i].rateMode,
        user
      );
    }

    _migrationNoBorrow(user, assetsToMigrate);

    return true;
  }

  /// @inheritdoc IMigrationHelper
  function getMigrationSupply(
    address asset,
    uint256 amount
  ) external view virtual returns (address, uint256) {
    return (asset, amount);
  }

  function _migrationNoBorrow(address user, address[] memory assets) internal {
    address asset;
    IERC20WithPermit aToken;
    uint256 aTokenAmountToMigrate;
    uint256 aTokenBalanceAfterReceiving;

    for (uint256 i = 0; i < assets.length; i++) {
      asset = assets[i];
      aToken = aTokens[asset];

      require(asset != address(0) && address(aToken) != address(0), 'INVALID_OR_NOT_CACHED_ASSET');

      aTokenAmountToMigrate = aToken.balanceOf(user);
      aToken.safeTransferFrom(user, address(this), aTokenAmountToMigrate);

      // this part of logic needed because of the possible 1-3 wei imprecision after aToken transfer, for example on stETH
      aTokenBalanceAfterReceiving = aToken.balanceOf(address(this));
      if (
        aTokenAmountToMigrate != aTokenBalanceAfterReceiving &&
        aTokenBalanceAfterReceiving <= aTokenAmountToMigrate + 2
      ) {
        aTokenAmountToMigrate = aTokenBalanceAfterReceiving;
      }

      uint256 withdrawn = V2_POOL.withdraw(asset, aTokenAmountToMigrate, address(this));

      // there are cases when we transform asset before supplying it to v3
      (address assetToSupply, uint256 amountToSupply) = _preSupply(asset, withdrawn);

      V3_POOL.supply(assetToSupply, amountToSupply, user, 0);
    }
  }

  function _preSupply(address asset, uint256 amount) internal virtual returns (address, uint256) {
    return (asset, amount);
  }

  function _getFlashloanParams(
    RepaySimpleInput[] memory positionsToRepay
  )
    internal
    view
    returns (RepayInput[] memory, address[] memory, uint256[] memory, uint256[] memory)
  {
    RepayInput[] memory positionsToRepayWithAmounts = new RepayInput[](positionsToRepay.length);

    uint256 numberOfAssetsToFlash;
    address[] memory assetsToFlash = new address[](positionsToRepay.length);
    uint256[] memory amountsToFlash = new uint256[](positionsToRepay.length);
    uint256[] memory interestRatesToFlash = new uint256[](positionsToRepay.length);

    for (uint256 i = 0; i < positionsToRepay.length; i++) {
      IERC20WithPermit debtToken = positionsToRepay[i].rateMode == 2
        ? vTokens[positionsToRepay[i].asset]
        : sTokens[positionsToRepay[i].asset];
      require(address(debtToken) != address(0), 'THIS_TYPE_OF_DEBT_NOT_SET');

      positionsToRepayWithAmounts[i] = RepayInput({
        asset: positionsToRepay[i].asset,
        amount: debtToken.balanceOf(msg.sender),
        rateMode: positionsToRepay[i].rateMode
      });

      bool amountIncludedIntoFlash;

      // if asset was also borrowed in another mode - add values
      for (uint256 j = 0; j < numberOfAssetsToFlash; j++) {
        if (assetsToFlash[j] == positionsToRepay[i].asset) {
          amountsToFlash[j] += positionsToRepayWithAmounts[i].amount;
          amountIncludedIntoFlash = true;
          break;
        }
      }

      // if this is the first ocurance of the asset add it
      if (!amountIncludedIntoFlash) {
        assetsToFlash[numberOfAssetsToFlash] = positionsToRepayWithAmounts[i].asset;
        amountsToFlash[numberOfAssetsToFlash] = positionsToRepayWithAmounts[i].amount;
        interestRatesToFlash[numberOfAssetsToFlash] = 2; // @dev variable debt

        ++numberOfAssetsToFlash;
      }
    }

    // we do not know the length in advance, so we init arrays with the maximum possible length
    // and then squeeze the array using mstore
    assembly {
      mstore(assetsToFlash, numberOfAssetsToFlash)
      mstore(amountsToFlash, numberOfAssetsToFlash)
      mstore(interestRatesToFlash, numberOfAssetsToFlash)
    }

    return (positionsToRepayWithAmounts, assetsToFlash, amountsToFlash, interestRatesToFlash);
  }

  /// @inheritdoc IMigrationHelper
  function rescueFunds(EmergencyTransferInput[] calldata emergencyInput) external onlyOwner {
    for (uint256 i = 0; i < emergencyInput.length; i++) {
      emergencyInput[i].asset.safeTransfer(emergencyInput[i].to, emergencyInput[i].amount);
    }
  }
}

// File: src/contracts/MigrationHelperMainnet.sol



// SPDX-License-Identifier: MIT
pragma solidity ^0.8.10;

import {IERC20WithPermit} from 'solidity-utils/contracts/oz-common/interfaces/IERC20WithPermit.sol';
import {SafeERC20} from 'solidity-utils/contracts/oz-common/SafeERC20.sol';

import {AaveV2Ethereum} from 'aave-address-book/AaveV2Ethereum.sol';
import {AaveV3Ethereum} from 'aave-address-book/AaveV3Ethereum.sol';

import {IWstETH} from '../interfaces/IWstETH.sol';
import {MigrationHelper} from './MigrationHelper.sol';

/**
 * @title MigrationHelperMainnet
 * @author BGD Labs
 * @dev Contract to migrate positions from Aave v2 to Aave v3 Ethereum Mainnet pools
 *   wraps stETH to wStETH to make it compatible
 */
contract MigrationHelperMainnet is MigrationHelper {
  using SafeERC20 for IERC20WithPermit;
  using SafeERC20 for IWstETH;

  IERC20WithPermit public constant STETH =
    IERC20WithPermit(0xae7ab96520DE3A18E5e111B5EaAb095312D7fE84);
  IWstETH public constant WSTETH = IWstETH(0x7f39C581F595B53c5cb19bD0b3f8dA6c935E2Ca0);

  constructor() MigrationHelper(AaveV3Ethereum.POOL, AaveV2Ethereum.POOL) {
    STETH.safeApprove(address(WSTETH), type(uint256).max);
    WSTETH.safeApprove(address(AaveV3Ethereum.POOL), type(uint256).max);
  }

  /// @inheritdoc MigrationHelper
  function getMigrationSupply(
    address asset,
    uint256 amount
  ) external view override returns (address, uint256) {
    if (asset == address(STETH)) {
      uint256 wrappedAmount = WSTETH.getWstETHByStETH(amount);

      return (address(WSTETH), wrappedAmount);
    }

    return (asset, amount);
  }

  /// @dev stETH is being wrapped to supply wstETH to the v3 pool
  function _preSupply(address asset, uint256 amount) internal override returns (address, uint256) {
    if (asset == address(STETH)) {
      uint256 wrappedAmount = WSTETH.wrap(amount);

      return (address(WSTETH), wrappedAmount);
    }

    return (asset, amount);
  }
}

// File: src/interfaces/ICreditDelegationToken.sol



// SPDX-License-Identifier: AGPL-3.0
pragma solidity ^0.8.0;

/**
 * @title ICreditDelegationToken
 * @author Aave
 * @notice Defines the basic interface for a token supporting credit delegation.
 **/
interface ICreditDelegationToken {
  /**
   * @notice Delegates borrowing power to a user on the specific debt token.
   * Delegation will still respect the liquidation constraints (even if delegated, a
   * delegatee cannot force a delegator HF to go below 1)
   * @param delegatee The address receiving the delegated borrowing power
   * @param amount The maximum amount being delegated.
   **/
  function approveDelegation(address delegatee, uint256 amount) external;

  /**
   * @notice Returns the borrow allowance of the user
   * @param fromUser The user to giving allowance
   * @param toUser The user to give allowance to
   * @return The current allowance of `toUser`
   **/
  function borrowAllowance(address fromUser, address toUser) external view returns (uint256);

  /**
   * @notice Delegates borrowing power to a user on the specific debt token via ERC712 signature
   * @param delegator The delegator of the credit
   * @param delegatee The delegatee that can use the credit
   * @param value The amount to be delegated
   * @param deadline The deadline timestamp, type(uint256).max for max deadline
   * @param v The V signature param
   * @param s The S signature param
   * @param r The R signature param
   */
  function delegationWithSig(
    address delegator,
    address delegatee,
    uint256 value,
    uint256 deadline,
    uint8 v,
    bytes32 r,
    bytes32 s
  ) external;
}

// File: src/interfaces/IMigrationHelper.sol



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

import {IERC20WithPermit} from 'solidity-utils/contracts/oz-common/interfaces/IERC20WithPermit.sol';
import {ILendingPool as IV2Pool} from 'aave-address-book/AaveV2.sol';
import {IPool as IV3Pool} from 'aave-address-book/AaveV3.sol';

import {ICreditDelegationToken} from './ICreditDelegationToken.sol';

/**
 * @title IMigrationHelper
 * @author BGD Labs
 * @notice Defines the interface for the contract to migrate positions from Aave v2 to Aave v3 pool
 **/
interface IMigrationHelper {
  struct PermitInput {
    IERC20WithPermit aToken;
    uint256 value;
    uint256 deadline;
    uint8 v;
    bytes32 r;
    bytes32 s;
  }

  struct CreditDelegationInput {
    ICreditDelegationToken debtToken;
    uint256 value;
    uint256 deadline;
    uint8 v;
    bytes32 r;
    bytes32 s;
  }

  struct RepayInput {
    address asset;
    uint256 amount;
    uint256 rateMode;
  }

  struct RepaySimpleInput {
    address asset;
    uint256 rateMode;
  }

  struct EmergencyTransferInput {
    IERC20WithPermit asset;
    uint256 amount;
    address to;
  }

  /**
   * @notice Method to do migration of any types of positions. Migrating whole amount of specified assets
   * @param assetsToMigrate - list of assets to migrate
   * @param positionsToRepay - list of assets to be repayed
   * @param permits - list of EIP712 permits, can be empty, if approvals provided in advance
   * @param creditDelegationPermits - list of EIP712 signatures (credit delegations) for v3 variable debt token
   * @dev check more details about permit at PermitInput and /solidity-utils/contracts/oz-common/interfaces/draft-IERC20Permit.sol
   **/
  function migrate(
    address[] memory assetsToMigrate,
    RepaySimpleInput[] memory positionsToRepay,
    PermitInput[] memory permits,
    CreditDelegationInput[] memory creditDelegationPermits
  ) external;

  /**
   * @notice Executes an operation after receiving the flash-borrowed assets
   * @dev Ensure that the contract can return the debt + premium, e.g., has
   *      enough funds to repay and has approved the Pool to pull the total amount
   * @param assets The addresses of the flash-borrowed assets
   * @param amounts The amounts of the flash-borrowed assets
   * @param premiums The fee of each flash-borrowed asset
   * @param initiator The address of the flashloan initiator
   * @param params The byte-encoded params passed when initiating the flashloan
   * @return True if the execution of the operation succeeds, false otherwise
   */
  function executeOperation(
    address[] calldata assets,
    uint256[] calldata amounts,
    uint256[] calldata premiums,
    address initiator,
    bytes calldata params
  ) external returns (bool);

  /**
   * @notice Public method to optimize the gas costs, to avoid having getReserveData calls on every execution
   **/
  function cacheATokens() external;

  /**
   * @notice Method to get asset and amount to be supplied to V3
   * @param asset the v2 pool asset
   * @param amount origin amount
   * @return address asset to be supplied to the v3 pool
   * @return uint256 amount to be supplied to the v3 pool
   */
  function getMigrationSupply(
    address asset,
    uint256 amount
  ) external view returns (address, uint256);

  /// @notice The source pool
  function V2_POOL() external returns (IV2Pool);

  /// @notice The destination pool
  function V3_POOL() external returns (IV3Pool);

  /**
   * @notice Public method for rescue funds in case of a wrong transfer
   * @param emergencyInput - array of parameters to transfer out funds
   **/
  function rescueFunds(EmergencyTransferInput[] calldata emergencyInput) external;
}

// File: src/interfaces/IWstETH.sol



// SPDX-License-Identifier: MIT
pragma solidity ^0.8.10;

import {IERC20WithPermit} from 'solidity-utils/contracts/oz-common/interfaces/IERC20WithPermit.sol';

/// @notice A simple version of the WStETH interface allowing to wrap and get exchange rate
interface IWstETH is IERC20WithPermit {
  /**
   * @notice Wraps stETH to WStETH
   * @param stETHAmount amount to wrap
   * @return an amount of WStETH received
   */
  function wrap(uint256 stETHAmount) external returns (uint256);

  /**
   * @notice Estimates an amount of WStETH on wrap
   * @param stETHAmount amount to wrap
   * @return an amount of WStETH which will be received
   */
  function getWstETHByStETH(uint256 stETHAmount) external view returns (uint256);
}