// File: contracts/ui/WETHGateway.sol



// SPDX-License-Identifier: AGPL-3.0
pragma solidity 0.8.10;

import {Ownable} from "../dependencies/openzeppelin/contracts/Ownable.sol";
import {IERC20} from "../dependencies/openzeppelin/contracts/IERC20.sol";
import {IWETH} from "../misc/interfaces/IWETH.sol";
import {IWETHGateway} from "./interfaces/IWETHGateway.sol";
import {IPool} from "../interfaces/IPool.sol";
import {IOToken} from "../interfaces/IOToken.sol";
import {ReserveConfiguration} from "../protocol/libraries/configuration/ReserveConfiguration.sol";
import {UserConfiguration} from "../protocol/libraries/configuration/UserConfiguration.sol";
import {DataTypes} from "../protocol/libraries/types/DataTypes.sol";
import {DataTypesHelper} from "./libraries/DataTypesHelper.sol";

contract WETHGateway is IWETHGateway, Ownable {
    using ReserveConfiguration for DataTypes.ReserveConfigurationMap;
    using UserConfiguration for DataTypes.UserConfigurationMap;

    IWETH internal immutable WETH;

    /**
     * @dev Sets the WETH address and the PoolAddressesProvider address. Infinite approves pool.
     * @param weth Address of the Wrapped Ether contract
     * @param owner Address of the owner of this contract
     **/
    constructor(address weth, address owner) {
        WETH = IWETH(weth);
        transferOwnership(owner);
    }

    function authorizePool(address pool) external onlyOwner {
        WETH.approve(pool, type(uint256).max);
    }

    /**
     * @dev deposits WETH into the reserve, using native ETH. A corresponding amount of the overlying asset (xTokens)
     * is minted.
     * @param pool address of the targeted underlying pool
     * @param onBehalfOf address of the user who will receive the xTokens representing the deposit
     * @param referralCode integrators are assigned a referral code and can potentially receive rewards.
     **/
    function depositETH(
        address pool,
        address onBehalfOf,
        uint16 referralCode
    ) external payable override {
        WETH.deposit{value: msg.value}();
        IPool(pool).supply(address(WETH), msg.value, onBehalfOf, referralCode);
    }

    /**
     * @dev withdraws the WETH _reserves of msg.sender.
     * @param pool address of the targeted underlying pool
     * @param amount amount of oWETH to withdraw and receive native ETH
     * @param to address of the user who will receive native ETH
     */
    function withdrawETH(
        address pool,
        uint256 amount,
        address to
    ) external override {
        IOToken oWETH = IOToken(
            IPool(pool).getReserveData(address(WETH)).xTokenAddress
        );
        uint256 userBalance = oWETH.balanceOf(msg.sender);
        uint256 amountToWithdraw = amount;

        // if amount is equal to uint(-1), the user wants to redeem everything
        if (amount == type(uint256).max) {
            amountToWithdraw = userBalance;
        }
        oWETH.transferFrom(msg.sender, address(this), amountToWithdraw);
        IPool(pool).withdraw(address(WETH), amountToWithdraw, address(this));
        WETH.withdraw(amountToWithdraw);
        _safeTransferETH(to, amountToWithdraw);
    }

    /**
     * @dev repays a borrow on the WETH reserve, for the specified amount (or for the whole amount, if uint256(-1) is specified).
     * @param pool address of the targeted underlying pool
     * @param amount the amount to repay, or uint256(-1) if the user wants to repay everything
     * @param rateMode the rate mode to repay
     * @param onBehalfOf the address for which msg.sender is repaying
     */
    function repayETH(
        address pool,
        uint256 amount,
        uint256 rateMode,
        address onBehalfOf
    ) external payable override {
        (uint256 stableDebt, uint256 variableDebt) = DataTypesHelper
            .getUserCurrentDebt(
                onBehalfOf,
                IPool(pool).getReserveData(address(WETH))
            );

        uint256 paybackAmount = DataTypes.InterestRateMode(rateMode) ==
            DataTypes.InterestRateMode.STABLE
            ? stableDebt
            : variableDebt;

        if (amount < paybackAmount) {
            paybackAmount = amount;
        }
        require(
            msg.value >= paybackAmount,
            "msg.value is less than repayment amount"
        );
        WETH.deposit{value: paybackAmount}();
        IPool(pool).repay(address(WETH), msg.value, rateMode, onBehalfOf);

        // refund remaining dust eth
        if (msg.value > paybackAmount)
            _safeTransferETH(msg.sender, msg.value - paybackAmount);
    }

    /**
     * @dev borrow WETH, unwraps to ETH and send both the ETH and DebtTokens to msg.sender, via `approveDelegation` and onBehalf argument in `Pool.borrow`.
     * @param pool address of the targeted underlying pool
     * @param amount the amount of ETH to borrow
     * @param interesRateMode the interest rate mode
     * @param referralCode integrators are assigned a referral code and can potentially receive rewards
     */
    function borrowETH(
        address pool,
        uint256 amount,
        uint256 interesRateMode,
        uint16 referralCode
    ) external override {
        IPool(pool).borrow(
            address(WETH),
            amount,
            interesRateMode,
            referralCode,
            msg.sender
        );
        WETH.withdraw(amount);
        _safeTransferETH(msg.sender, amount);
    }

    /**
     * @dev withdraws the WETH _reserves of msg.sender.
     * @param pool address of the targeted underlying pool
     * @param amount amount of oWETH to withdraw and receive native ETH
     * @param to address of the user who will receive native ETH
     * @param deadline validity deadline of permit and so depositWithPermit signature
     * @param permitV V parameter of ERC712 permit sig
     * @param permitR R parameter of ERC712 permit sig
     * @param permitS S parameter of ERC712 permit sig
     */
    function withdrawETHWithPermit(
        address pool,
        uint256 amount,
        address to,
        uint256 deadline,
        uint8 permitV,
        bytes32 permitR,
        bytes32 permitS
    ) external override {
        IOToken oWETH = IOToken(
            IPool(pool).getReserveData(address(WETH)).xTokenAddress
        );
        uint256 userBalance = oWETH.balanceOf(msg.sender);
        uint256 amountToWithdraw = amount;

        // if amount is equal to uint(-1), the user wants to redeem everything
        if (amount == type(uint256).max) {
            amountToWithdraw = userBalance;
        }
        // chosing to permit `amount`and not `amountToWithdraw`, easier for frontends, intregrators.
        oWETH.permit(
            msg.sender,
            address(this),
            amount,
            deadline,
            permitV,
            permitR,
            permitS
        );
        oWETH.transferFrom(msg.sender, address(this), amountToWithdraw);
        IPool(pool).withdraw(address(WETH), amountToWithdraw, address(this));
        WETH.withdraw(amountToWithdraw);
        _safeTransferETH(to, amountToWithdraw);
    }

    /**
     * @dev transfer ETH to an address, revert if it fails.
     * @param to recipient of the transfer
     * @param value the amount to send
     */
    function _safeTransferETH(address to, uint256 value) internal {
        (bool success, ) = to.call{value: value}(new bytes(0));
        require(success, "ETH_TRANSFER_FAILED");
    }

    /**
     * @dev transfer ERC20 from the utility contract, for ERC20 recovery in case of stuck tokens due
     * direct transfers to the contract address.
     * @param token token to transfer
     * @param to recipient of the transfer
     * @param amount amount to send
     */
    function emergencyTokenTransfer(
        address token,
        address to,
        uint256 amount
    ) external onlyOwner {
        IERC20(token).transfer(to, amount);
    }

    /**
     * @dev transfer native Ether from the utility contract, for native Ether recovery in case of stuck Ether
     * due selfdestructs or transfer ether to pre-computated contract address before deployment.
     * @param to recipient of the transfer
     * @param amount amount to send
     */
    function emergencyEtherTransfer(address to, uint256 amount)
        external
        onlyOwner
    {
        _safeTransferETH(to, amount);
    }

    /**
     * @dev Get WETH address used by WETHGateway
     */
    function getWETHAddress() external view returns (address) {
        return address(WETH);
    }

    /**
     * @dev Only WETH contract is allowed to transfer ETH here. Prevent other addresses to send Ether to this contract.
     */
    receive() external payable {
        require(msg.sender == address(WETH), "Receive not allowed");
    }

    /**
     * @dev Revert fallback calls
     */
    fallback() external payable {
        revert("Fallback not allowed");
    }
}

// File: contracts/dependencies/openzeppelin/contracts/Ownable.sol



// SPDX-License-Identifier: MIT

pragma solidity 0.8.10;

import './Context.sol';

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

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

  /**
   * @dev Initializes the contract setting the deployer as the initial owner.
   */
  constructor() {
    address msgSender = _msgSender();
    _owner = msgSender;
    emit OwnershipTransferred(address(0), msgSender);
  }

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

  /**
   * @dev Throws if called by any account other than the owner.
   */
  modifier onlyOwner() {
    require(_owner == _msgSender(), 'Ownable: caller is not the owner');
    _;
  }

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

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

// File: contracts/dependencies/openzeppelin/contracts/IERC20.sol



// SPDX-License-Identifier: agpl-3.0
pragma solidity 0.8.10;

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

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

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

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

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

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

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

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

// File: contracts/misc/interfaces/IWETH.sol



// SPDX-License-Identifier: agpl-3.0
pragma solidity 0.8.10;

interface IWETH {
    function deposit() external payable;

    function withdraw(uint256) external;

    function approve(address guy, uint256 wad) external returns (bool);

    function transferFrom(
        address src,
        address dst,
        uint256 wad
    ) external returns (bool);
}

// File: contracts/ui/interfaces/IWETHGateway.sol



// SPDX-License-Identifier: agpl-3.0
pragma solidity 0.8.10;

interface IWETHGateway {
    function depositETH(
        address pool,
        address onBehalfOf,
        uint16 referralCode
    ) external payable;

    function withdrawETH(
        address pool,
        uint256 amount,
        address onBehalfOf
    ) external;

    function repayETH(
        address pool,
        uint256 amount,
        uint256 rateMode,
        address onBehalfOf
    ) external payable;

    function borrowETH(
        address pool,
        uint256 amount,
        uint256 interesRateMode,
        uint16 referralCode
    ) external;

    function withdrawETHWithPermit(
        address pool,
        uint256 amount,
        address to,
        uint256 deadline,
        uint8 permitV,
        bytes32 permitR,
        bytes32 permitS
    ) external;
}

// File: contracts/interfaces/IPool.sol



// SPDX-License-Identifier: AGPL-3.0
pragma solidity 0.8.10;

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

/**
 * @title IPool
 *
 * @notice Defines the basic interface for an Omni Pool.
 **/
interface IPool {
    /**
     * @dev Emitted on supply()
     * @param reserve The address of the underlying asset of the reserve
     * @param user The address initiating the supply
     * @param onBehalfOf The beneficiary of the supply, receiving the xTokens
     * @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
    );

    event SupplyERC721(
        address indexed reserve,
        address user,
        address indexed onBehalfOf,
        DataTypes.ERC721SupplyParams[] tokenData,
        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 xTokens
     * @param to The address that will receive the underlying asset
     * @param amount The amount to be withdrawn
     **/
    event Withdraw(
        address indexed reserve,
        address indexed user,
        address indexed to,
        uint256 amount
    );

    /**
     * @dev Emitted on withdrawERC721()
     * @param reserve The address of the underlying asset being withdrawn
     * @param user The address initiating the withdrawal, owner of xTokens
     * @param to The address that will receive the underlying asset
     * @param tokenIds The tokenIds to be withdrawn
     **/
    event WithdrawERC721(
        address indexed reserve,
        address indexed user,
        address indexed to,
        uint256[] tokenIds
    );

    /**
     * @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 useOTokens True if the repayment is done using xTokens, `false` if done with underlying asset directly
     **/
    event Repay(
        address indexed reserve,
        address indexed user,
        address indexed repayer,
        uint256 amount,
        bool useOTokens
    );

    /**
     * @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 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 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 receiveOToken True if the liquidators wants to receive the collateral xTokens, `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 receiveOToken
    );

    /**
     * @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 xTokens from the accrued interest.
     * @param reserve The address of the reserve
     * @param amountMinted The amount minted to the treasury
     **/
    event MintedToTreasury(address indexed reserve, uint256 amountMinted);

    /**
     * @dev Emitted on flashClaim
     * @param target The address of the flash loan receiver contract
     * @param initiator The address initiating the flash claim
     * @param nftAsset address of the underlying asset of NFT
     * @param tokenId The token id of the asset being flash borrowed
     **/
    event FlashClaim(
        address indexed target,
        address indexed initiator,
        address indexed nftAsset,
        uint256 tokenId
    );

    /**
     * @dev Allows smart contracts to access the tokens within one transaction, as long as the tokens taken is returned.
     *
     * Requirements:
     *  - `nftTokenIds` must exist.
     *
     * @param receiverAddress The address of the contract receiving the tokens, implementing the IFlashClaimReceiver interface
     * @param nftAsset address of the underlying asset of NFT
     * @param nftTokenIds token ids of the underlying asset
     * @param params Variadic packed params to pass to the receiver as extra information
     */
    function flashClaim(
        address receiverAddress,
        address nftAsset,
        uint256[] calldata nftTokenIds,
        bytes calldata params
    ) external;

    /**
     * @notice Supplies an `amount` of underlying asset into the reserve, receiving in return overlying xTokens.
     * - 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 xTokens, same as msg.sender if the user
     *   wants to receive them on his own wallet, or a different address if the beneficiary of xTokens
     *   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 Supplies multiple `tokenIds` of underlying ERC721 asset into the reserve, receiving in return overlying nTokens.
     * - E.g. User supplies 2 BAYC and gets in return 2 nBAYC
     * @param asset The address of the underlying asset to supply
     * @param tokenData The list of tokenIds and their colateral configs to be supplied
     * @param onBehalfOf The address that will receive the xTokens, same as msg.sender if the user
     *   wants to receive them on his own wallet, or a different address if the beneficiary of xTokens
     *   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 supplyERC721(
        address asset,
        DataTypes.ERC721SupplyParams[] calldata tokenData,
        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 xTokens, same as msg.sender if the user
     *   wants to receive them on his own wallet, or a different address if the beneficiary of xTokens
     *   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 xTokens 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 xToken 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 Withdraws multiple `tokenIds` of underlying ERC721  asset from the reserve, burning the equivalent nTokens owned
     * E.g. User has 2 nBAYC, calls withdraw() and receives 2 BAYC, burning the 2 nBAYC
     * @param asset The address of the underlying asset to withdraw
     * @param tokenIds The underlying tokenIds to be withdrawn
     *   - Send the value type(uint256).max in order to withdraw the whole xToken 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 withdrawERC721(
        address asset,
        uint256[] calldata tokenIds,
        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 xTokens, 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 xToken dust balance, if the user xToken
     * 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 repayWithOTokens(
        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 Allows suppliers to enable/disable a specific supplied ERC721 asset with a tokenID as collateral
     * @param asset The address of the underlying asset supplied
     * @param tokenId the id of the supplied ERC721 token
     * @param useAsCollateral True if the user wants to use the supply as collateral, false otherwise
     **/
    function setUserUseERC721AsCollateral(
        address asset,
        uint256 tokenId,
        bool useAsCollateral
    ) external virtual;

    /**
     * @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 receiveOToken True if the liquidators wants to receive the collateral xTokens, `false` if he wants
     * to receive the underlying collateral asset directly
     **/
    function liquidationCall(
        address collateralAsset,
        address debtAsset,
        address user,
        uint256 debtToCover,
        bool receiveOToken
    ) external;

    function liquidationERC721(
        address collateralAsset,
        address liquidationAsset,
        address user,
        uint256 collateralTokenId,
        uint256 liquidationAmount,
        bool receiveNToken
    ) 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,
            uint256 erc721HealthFactor
        );

    /**
     * @notice Initializes a reserve, activating it, assigning an xToken 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 xTokenAddress The address of the xToken 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,
        DataTypes.AssetType assetType,
        address xTokenAddress,
        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 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
     * @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 xToken transfer
     * @dev Only callable by the overlying xToken of the `asset`
     * @param asset The address of the underlying asset of the xToken
     * @param from The user from which the xTokens are transferred
     * @param to The user receiving the xTokens
     * @param amount The amount being transferred/withdrawn
     * @param balanceFromBefore The xToken balance of the `from` user before the transfer
     * @param balanceToBefore The xToken balance of the `to` user before the transfer
     */
    function finalizeTransfer(
        address asset,
        address from,
        address to,
        bool usedAsCollateral,
        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 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 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 xTokens
     * @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;
}

// File: contracts/interfaces/IOToken.sol



// SPDX-License-Identifier: AGPL-3.0
pragma solidity 0.8.10;

import {IERC20} from "../dependencies/openzeppelin/contracts/IERC20.sol";
import {IScaledBalanceToken} from "./IScaledBalanceToken.sol";
import {IInitializableOToken} from "./IInitializableOToken.sol";

/**
 * @title IOToken
 *
 * @notice Defines the basic interface for an OToken.
 **/
interface IOToken is IERC20, IScaledBalanceToken, IInitializableOToken {
    /**
     * @dev Emitted during the transfer action
     * @param from The user whose tokens are being transferred
     * @param to The recipient
     * @param value The amount being transferred
     * @param index The next liquidity index of the reserve
     **/
    event BalanceTransfer(
        address indexed from,
        address indexed to,
        uint256 value,
        uint256 index
    );

    /**
     * @notice Mints `amount` xTokens to `user`
     * @param caller The address performing the mint
     * @param onBehalfOf The address of the user that will receive the minted xTokens
     * @param amount The amount of tokens getting minted
     * @param index The next liquidity index of the reserve
     * @return `true` if the the previous balance of the user was 0
     */
    function mint(
        address caller,
        address onBehalfOf,
        uint256 amount,
        uint256 index
    ) external returns (bool);

    /**
     * @notice Burns xTokens from `user` and sends the equivalent amount of underlying to `receiverOfUnderlying`
     * @dev In some instances, the mint event could be emitted from a burn transaction
     * if the amount to burn is less than the interest that the user accrued
     * @param from The address from which the xTokens will be burned
     * @param receiverOfUnderlying The address that will receive the underlying
     * @param amount The amount being burned
     * @param index The next liquidity index of the reserve
     **/
    function burn(
        address from,
        address receiverOfUnderlying,
        uint256 amount,
        uint256 index
    ) external;

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

    /**
     * @notice Transfers xTokens in the event of a borrow being liquidated, in case the liquidators reclaims the xToken
     * @param from The address getting liquidated, current owner of the xTokens
     * @param to The recipient
     * @param value The amount of tokens getting transferred
     **/
    function transferOnLiquidation(
        address from,
        address to,
        uint256 value
    ) external;

    /**
     * @notice Transfers the underlying asset to `target`.
     * @dev Used by the Pool to transfer assets in borrow(), withdraw() and flashLoan()
     * @param user The recipient of the underlying
     * @param amount The amount getting transferred
     **/
    function transferUnderlyingTo(address user, uint256 amount) external;

    /**
     * @notice Handles the underlying received by the xToken after the transfer has been completed.
     * @dev The default implementation is empty as with standard ERC20 tokens, nothing needs to be done after the
     * transfer is concluded. However in the future there may be xTokens that allow for example to stake the underlying
     * to receive LM rewards. In that case, `handleRepayment()` would perform the staking of the underlying asset.
     * @param user The user executing the repayment
     * @param amount The amount getting repaid
     **/
    function handleRepayment(address user, uint256 amount) external;

    /**
     * @notice Allow passing a signed message to approve spending
     * @dev implements the permit function as for
     * https://github.com/ethereum/EIPs/blob/8a34d644aacf0f9f8f00815307fd7dd5da07655f/EIPS/eip-2612.md
     * @param owner The owner of the funds
     * @param spender The spender
     * @param value The amount
     * @param deadline The deadline timestamp, type(uint256).max for max deadline
     * @param v Signature param
     * @param s Signature param
     * @param r Signature param
     */
    function permit(
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external;

    /**
     * @notice Returns the address of the underlying asset of this xToken (E.g. WETH for aWETH)
     * @return The address of the underlying asset
     **/
    function UNDERLYING_ASSET_ADDRESS() external view returns (address);

    /**
     * @notice Returns the address of the Omni treasury, receiving the fees on this xToken.
     * @return Address of the Omni treasury
     **/
    function RESERVE_TREASURY_ADDRESS() external view returns (address);

    /**
     * @notice Get the domain separator for the token
     * @dev Return cached value if chainId matches cache, otherwise recomputes separator
     * @return The domain separator of the token at current chain
     */
    function DOMAIN_SEPARATOR() external view returns (bytes32);

    /**
     * @notice Returns the nonce for owner.
     * @param owner The address of the owner
     * @return The nonce of the owner
     **/
    function nonces(address owner) external view returns (uint256);

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

// File: contracts/protocol/libraries/configuration/ReserveConfiguration.sol



// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.10;

import {Errors} from "../helpers/Errors.sol";
import {DataTypes} from "../types/DataTypes.sol";

/**
 * @title ReserveConfiguration library
 *
 * @notice Implements the bitmap logic to handle the reserve configuration
 */
library ReserveConfiguration {
    uint256 internal constant LTV_MASK =                       0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF0000; // prettier-ignore
    uint256 internal constant LIQUIDATION_THRESHOLD_MASK =     0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF0000FFFF; // prettier-ignore
    uint256 internal constant LIQUIDATION_BONUS_MASK =         0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF0000FFFFFFFF; // prettier-ignore
    uint256 internal constant DECIMALS_MASK =                  0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00FFFFFFFFFFFF; // prettier-ignore
    uint256 internal constant ACTIVE_MASK =                    0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFF; // prettier-ignore
    uint256 internal constant FROZEN_MASK =                    0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFDFFFFFFFFFFFFFF; // prettier-ignore
    uint256 internal constant BORROWING_MASK =                 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFBFFFFFFFFFFFFFF; // prettier-ignore
    uint256 internal constant STABLE_BORROWING_MASK =          0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF7FFFFFFFFFFFFFF; // prettier-ignore
    uint256 internal constant PAUSED_MASK =                    0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFF; // prettier-ignore
    uint256 internal constant BORROWABLE_IN_ISOLATION_MASK =   0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFDFFFFFFFFFFFFFFF; // prettier-ignore
    uint256 internal constant SILOED_BORROWING_MASK =          0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFBFFFFFFFFFFFFFFF; // prettier-ignore
    uint256 internal constant RESERVE_FACTOR_MASK =            0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF0000FFFFFFFFFFFFFFFF; // prettier-ignore
    uint256 internal constant BORROW_CAP_MASK =                0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF000000000FFFFFFFFFFFFFFFFFFFF; // prettier-ignore
    uint256 internal constant SUPPLY_CAP_MASK =                0xFFFFFFFFFFFFFFFFFFFFFFFFFF000000000FFFFFFFFFFFFFFFFFFFFFFFFFFFFF; // prettier-ignore
    uint256 internal constant LIQUIDATION_PROTOCOL_FEE_MASK =  0xFFFFFFFFFFFFFFFFFFFFFF0000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF; // prettier-ignore
    uint256 internal constant EMODE_CATEGORY_MASK =            0xFFFFFFFFFFFFFFFFFFFF00FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF; // prettier-ignore
    uint256 internal constant UNBACKED_MINT_CAP_MASK =         0xFFFFFFFFFFF000000000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF; // prettier-ignore
    uint256 internal constant DEBT_CEILING_MASK =              0xF0000000000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF; // prettier-ignore

    /// @dev For the LTV, the start bit is 0 (up to 15), hence no bitshifting is needed
    uint256 internal constant LIQUIDATION_THRESHOLD_START_BIT_POSITION = 16;
    uint256 internal constant LIQUIDATION_BONUS_START_BIT_POSITION = 32;
    uint256 internal constant RESERVE_DECIMALS_START_BIT_POSITION = 48;
    uint256 internal constant IS_ACTIVE_START_BIT_POSITION = 56;
    uint256 internal constant IS_FROZEN_START_BIT_POSITION = 57;
    uint256 internal constant BORROWING_ENABLED_START_BIT_POSITION = 58;
    uint256 internal constant STABLE_BORROWING_ENABLED_START_BIT_POSITION = 59;
    uint256 internal constant IS_PAUSED_START_BIT_POSITION = 60;
    uint256 internal constant BORROWABLE_IN_ISOLATION_START_BIT_POSITION = 61;
    uint256 internal constant SILOED_BORROWING_START_BIT_POSITION = 62;
    /// @dev bit 63 reserved

    uint256 internal constant RESERVE_FACTOR_START_BIT_POSITION = 64;
    uint256 internal constant BORROW_CAP_START_BIT_POSITION = 80;
    uint256 internal constant SUPPLY_CAP_START_BIT_POSITION = 116;
    uint256 internal constant LIQUIDATION_PROTOCOL_FEE_START_BIT_POSITION = 152;
    uint256 internal constant EMODE_CATEGORY_START_BIT_POSITION = 168;
    uint256 internal constant UNBACKED_MINT_CAP_START_BIT_POSITION = 176;
    uint256 internal constant DEBT_CEILING_START_BIT_POSITION = 212;

    uint256 internal constant MAX_VALID_LTV = 65535;
    uint256 internal constant MAX_VALID_LIQUIDATION_THRESHOLD = 65535;
    uint256 internal constant MAX_VALID_LIQUIDATION_BONUS = 65535;
    uint256 internal constant MAX_VALID_DECIMALS = 255;
    uint256 internal constant MAX_VALID_RESERVE_FACTOR = 65535;
    uint256 internal constant MAX_VALID_BORROW_CAP = 68719476735;
    uint256 internal constant MAX_VALID_SUPPLY_CAP = 68719476735;
    uint256 internal constant MAX_VALID_LIQUIDATION_PROTOCOL_FEE = 65535;
    uint256 internal constant MAX_VALID_EMODE_CATEGORY = 255;
    uint256 internal constant MAX_VALID_UNBACKED_MINT_CAP = 68719476735;
    uint256 internal constant MAX_VALID_DEBT_CEILING = 1099511627775;

    uint256 public constant DEBT_CEILING_DECIMALS = 2;
    uint16 public constant MAX_RESERVES_COUNT = 128;

    /**
     * @notice Sets the Loan to Value of the reserve
     * @param self The reserve configuration
     * @param ltv The new ltv
     **/
    function setLtv(DataTypes.ReserveConfigurationMap memory self, uint256 ltv)
        internal
        pure
    {
        require(ltv <= MAX_VALID_LTV, Errors.INVALID_LTV);

        self.data = (self.data & LTV_MASK) | ltv;
    }

    /**
     * @notice Gets the Loan to Value of the reserve
     * @param self The reserve configuration
     * @return The loan to value
     **/
    function getLtv(DataTypes.ReserveConfigurationMap memory self)
        internal
        pure
        returns (uint256)
    {
        return self.data & ~LTV_MASK;
    }

    /**
     * @notice Sets the liquidation threshold of the reserve
     * @param self The reserve configuration
     * @param threshold The new liquidation threshold
     **/
    function setLiquidationThreshold(
        DataTypes.ReserveConfigurationMap memory self,
        uint256 threshold
    ) internal pure {
        require(
            threshold <= MAX_VALID_LIQUIDATION_THRESHOLD,
            Errors.INVALID_LIQ_THRESHOLD
        );

        self.data =
            (self.data & LIQUIDATION_THRESHOLD_MASK) |
            (threshold << LIQUIDATION_THRESHOLD_START_BIT_POSITION);
    }

    /**
     * @notice Gets the liquidation threshold of the reserve
     * @param self The reserve configuration
     * @return The liquidation threshold
     **/
    function getLiquidationThreshold(
        DataTypes.ReserveConfigurationMap memory self
    ) internal pure returns (uint256) {
        return
            (self.data & ~LIQUIDATION_THRESHOLD_MASK) >>
            LIQUIDATION_THRESHOLD_START_BIT_POSITION;
    }

    /**
     * @notice Sets the liquidation bonus of the reserve
     * @param self The reserve configuration
     * @param bonus The new liquidation bonus
     **/
    function setLiquidationBonus(
        DataTypes.ReserveConfigurationMap memory self,
        uint256 bonus
    ) internal pure {
        require(bonus <= MAX_VALID_LIQUIDATION_BONUS, Errors.INVALID_LIQ_BONUS);

        self.data =
            (self.data & LIQUIDATION_BONUS_MASK) |
            (bonus << LIQUIDATION_BONUS_START_BIT_POSITION);
    }

    /**
     * @notice Gets the liquidation bonus of the reserve
     * @param self The reserve configuration
     * @return The liquidation bonus
     **/
    function getLiquidationBonus(DataTypes.ReserveConfigurationMap memory self)
        internal
        pure
        returns (uint256)
    {
        return
            (self.data & ~LIQUIDATION_BONUS_MASK) >>
            LIQUIDATION_BONUS_START_BIT_POSITION;
    }

    /**
     * @notice Sets the decimals of the underlying asset of the reserve
     * @param self The reserve configuration
     * @param decimals The decimals
     **/
    function setDecimals(
        DataTypes.ReserveConfigurationMap memory self,
        uint256 decimals
    ) internal pure {
        require(decimals <= MAX_VALID_DECIMALS, Errors.INVALID_DECIMALS);

        self.data =
            (self.data & DECIMALS_MASK) |
            (decimals << RESERVE_DECIMALS_START_BIT_POSITION);
    }

    /**
     * @notice Gets the decimals of the underlying asset of the reserve
     * @param self The reserve configuration
     * @return The decimals of the asset
     **/
    function getDecimals(DataTypes.ReserveConfigurationMap memory self)
        internal
        pure
        returns (uint256)
    {
        return
            (self.data & ~DECIMALS_MASK) >> RESERVE_DECIMALS_START_BIT_POSITION;
    }

    /**
     * @notice Sets the active state of the reserve
     * @param self The reserve configuration
     * @param active The active state
     **/
    function setActive(
        DataTypes.ReserveConfigurationMap memory self,
        bool active
    ) internal pure {
        self.data =
            (self.data & ACTIVE_MASK) |
            (uint256(active ? 1 : 0) << IS_ACTIVE_START_BIT_POSITION);
    }

    /**
     * @notice Gets the active state of the reserve
     * @param self The reserve configuration
     * @return The active state
     **/
    function getActive(DataTypes.ReserveConfigurationMap memory self)
        internal
        pure
        returns (bool)
    {
        return (self.data & ~ACTIVE_MASK) != 0;
    }

    /**
     * @notice Sets the frozen state of the reserve
     * @param self The reserve configuration
     * @param frozen The frozen state
     **/
    function setFrozen(
        DataTypes.ReserveConfigurationMap memory self,
        bool frozen
    ) internal pure {
        self.data =
            (self.data & FROZEN_MASK) |
            (uint256(frozen ? 1 : 0) << IS_FROZEN_START_BIT_POSITION);
    }

    /**
     * @notice Gets the frozen state of the reserve
     * @param self The reserve configuration
     * @return The frozen state
     **/
    function getFrozen(DataTypes.ReserveConfigurationMap memory self)
        internal
        pure
        returns (bool)
    {
        return (self.data & ~FROZEN_MASK) != 0;
    }

    /**
     * @notice Sets the paused state of the reserve
     * @param self The reserve configuration
     * @param paused The paused state
     **/
    function setPaused(
        DataTypes.ReserveConfigurationMap memory self,
        bool paused
    ) internal pure {
        self.data =
            (self.data & PAUSED_MASK) |
            (uint256(paused ? 1 : 0) << IS_PAUSED_START_BIT_POSITION);
    }

    /**
     * @notice Gets the paused state of the reserve
     * @param self The reserve configuration
     * @return The paused state
     **/
    function getPaused(DataTypes.ReserveConfigurationMap memory self)
        internal
        pure
        returns (bool)
    {
        return (self.data & ~PAUSED_MASK) != 0;
    }

    /**
     * @notice Sets the siloed borrowing flag for the reserve.
     * @dev When this flag is set to true, users borrowing this asset will not be allowed to borrow any other asset.
     * @param self The reserve configuration
     * @param siloed True if the asset is siloed
     **/
    function setSiloedBorrowing(
        DataTypes.ReserveConfigurationMap memory self,
        bool siloed
    ) internal pure {
        self.data =
            (self.data & SILOED_BORROWING_MASK) |
            (uint256(siloed ? 1 : 0) << SILOED_BORROWING_START_BIT_POSITION);
    }

    /**
     * @notice Gets the siloed borrowing flag for the reserve.
     * @dev When this flag is set to true, users borrowing this asset will not be allowed to borrow any other asset.
     * @param self The reserve configuration
     * @return The siloed borrowing flag
     **/
    function getSiloedBorrowing(DataTypes.ReserveConfigurationMap memory self)
        internal
        pure
        returns (bool)
    {
        return (self.data & ~SILOED_BORROWING_MASK) != 0;
    }

    /**
     * @notice Enables or disables borrowing on the reserve
     * @param self The reserve configuration
     * @param enabled True if the borrowing needs to be enabled, false otherwise
     **/
    function setBorrowingEnabled(
        DataTypes.ReserveConfigurationMap memory self,
        bool enabled
    ) internal pure {
        self.data =
            (self.data & BORROWING_MASK) |
            (uint256(enabled ? 1 : 0) << BORROWING_ENABLED_START_BIT_POSITION);
    }

    /**
     * @notice Gets the borrowing state of the reserve
     * @param self The reserve configuration
     * @return The borrowing state
     **/
    function getBorrowingEnabled(DataTypes.ReserveConfigurationMap memory self)
        internal
        pure
        returns (bool)
    {
        return (self.data & ~BORROWING_MASK) != 0;
    }

    /**
     * @notice Enables or disables stable rate borrowing on the reserve
     * @param self The reserve configuration
     * @param enabled True if the stable rate borrowing needs to be enabled, false otherwise
     **/
    function setStableRateBorrowingEnabled(
        DataTypes.ReserveConfigurationMap memory self,
        bool enabled
    ) internal pure {
        self.data =
            (self.data & STABLE_BORROWING_MASK) |
            (uint256(enabled ? 1 : 0) <<
                STABLE_BORROWING_ENABLED_START_BIT_POSITION);
    }

    /**
     * @notice Gets the stable rate borrowing state of the reserve
     * @param self The reserve configuration
     * @return The stable rate borrowing state
     **/
    function getStableRateBorrowingEnabled(
        DataTypes.ReserveConfigurationMap memory self
    ) internal pure returns (bool) {
        return (self.data & ~STABLE_BORROWING_MASK) != 0;
    }

    /**
     * @notice Sets the reserve factor of the reserve
     * @param self The reserve configuration
     * @param reserveFactor The reserve factor
     **/
    function setReserveFactor(
        DataTypes.ReserveConfigurationMap memory self,
        uint256 reserveFactor
    ) internal pure {
        require(
            reserveFactor <= MAX_VALID_RESERVE_FACTOR,
            Errors.INVALID_RESERVE_FACTOR
        );

        self.data =
            (self.data & RESERVE_FACTOR_MASK) |
            (reserveFactor << RESERVE_FACTOR_START_BIT_POSITION);
    }

    /**
     * @notice Gets the reserve factor of the reserve
     * @param self The reserve configuration
     * @return The reserve factor
     **/
    function getReserveFactor(DataTypes.ReserveConfigurationMap memory self)
        internal
        pure
        returns (uint256)
    {
        return
            (self.data & ~RESERVE_FACTOR_MASK) >>
            RESERVE_FACTOR_START_BIT_POSITION;
    }

    /**
     * @notice Sets the borrow cap of the reserve
     * @param self The reserve configuration
     * @param borrowCap The borrow cap
     **/
    function setBorrowCap(
        DataTypes.ReserveConfigurationMap memory self,
        uint256 borrowCap
    ) internal pure {
        require(borrowCap <= MAX_VALID_BORROW_CAP, Errors.INVALID_BORROW_CAP);

        self.data =
            (self.data & BORROW_CAP_MASK) |
            (borrowCap << BORROW_CAP_START_BIT_POSITION);
    }

    /**
     * @notice Gets the borrow cap of the reserve
     * @param self The reserve configuration
     * @return The borrow cap
     **/
    function getBorrowCap(DataTypes.ReserveConfigurationMap memory self)
        internal
        pure
        returns (uint256)
    {
        return (self.data & ~BORROW_CAP_MASK) >> BORROW_CAP_START_BIT_POSITION;
    }

    /**
     * @notice Sets the supply cap of the reserve
     * @param self The reserve configuration
     * @param supplyCap The supply cap
     **/
    function setSupplyCap(
        DataTypes.ReserveConfigurationMap memory self,
        uint256 supplyCap
    ) internal pure {
        require(supplyCap <= MAX_VALID_SUPPLY_CAP, Errors.INVALID_SUPPLY_CAP);

        self.data =
            (self.data & SUPPLY_CAP_MASK) |
            (supplyCap << SUPPLY_CAP_START_BIT_POSITION);
    }

    /**
     * @notice Gets the supply cap of the reserve
     * @param self The reserve configuration
     * @return The supply cap
     **/
    function getSupplyCap(DataTypes.ReserveConfigurationMap memory self)
        internal
        pure
        returns (uint256)
    {
        return (self.data & ~SUPPLY_CAP_MASK) >> SUPPLY_CAP_START_BIT_POSITION;
    }

    /**
     * @notice Sets the liquidation protocol fee of the reserve
     * @param self The reserve configuration
     * @param liquidationProtocolFee The liquidation protocol fee
     **/
    function setLiquidationProtocolFee(
        DataTypes.ReserveConfigurationMap memory self,
        uint256 liquidationProtocolFee
    ) internal pure {
        require(
            liquidationProtocolFee <= MAX_VALID_LIQUIDATION_PROTOCOL_FEE,
            Errors.INVALID_LIQUIDATION_PROTOCOL_FEE
        );

        self.data =
            (self.data & LIQUIDATION_PROTOCOL_FEE_MASK) |
            (liquidationProtocolFee <<
                LIQUIDATION_PROTOCOL_FEE_START_BIT_POSITION);
    }

    /**
     * @dev Gets the liquidation protocol fee
     * @param self The reserve configuration
     * @return The liquidation protocol fee
     **/
    function getLiquidationProtocolFee(
        DataTypes.ReserveConfigurationMap memory self
    ) internal pure returns (uint256) {
        return
            (self.data & ~LIQUIDATION_PROTOCOL_FEE_MASK) >>
            LIQUIDATION_PROTOCOL_FEE_START_BIT_POSITION;
    }

    /**
     * @notice Gets the configuration flags of the reserve
     * @param self The reserve configuration
     * @return The state flag representing active
     * @return The state flag representing frozen
     * @return The state flag representing borrowing enabled
     * @return The state flag representing stableRateBorrowing enabled
     * @return The state flag representing paused
     **/
    function getFlags(DataTypes.ReserveConfigurationMap memory self)
        internal
        pure
        returns (
            bool,
            bool,
            bool,
            bool,
            bool
        )
    {
        uint256 dataLocal = self.data;

        return (
            (dataLocal & ~ACTIVE_MASK) != 0,
            (dataLocal & ~FROZEN_MASK) != 0,
            (dataLocal & ~BORROWING_MASK) != 0,
            (dataLocal & ~STABLE_BORROWING_MASK) != 0,
            (dataLocal & ~PAUSED_MASK) != 0
        );
    }

    /**
     * @notice Gets the configuration parameters of the reserve from storage
     * @param self The reserve configuration
     * @return The state param representing ltv
     * @return The state param representing liquidation threshold
     * @return The state param representing liquidation bonus
     * @return The state param representing reserve decimals
     * @return The state param representing reserve factor
     **/
    function getParams(DataTypes.ReserveConfigurationMap memory self)
        internal
        pure
        returns (
            uint256,
            uint256,
            uint256,
            uint256,
            uint256
        )
    {
        uint256 dataLocal = self.data;

        return (
            dataLocal & ~LTV_MASK,
            (dataLocal & ~LIQUIDATION_THRESHOLD_MASK) >>
                LIQUIDATION_THRESHOLD_START_BIT_POSITION,
            (dataLocal & ~LIQUIDATION_BONUS_MASK) >>
                LIQUIDATION_BONUS_START_BIT_POSITION,
            (dataLocal & ~DECIMALS_MASK) >> RESERVE_DECIMALS_START_BIT_POSITION,
            (dataLocal & ~RESERVE_FACTOR_MASK) >>
                RESERVE_FACTOR_START_BIT_POSITION
        );
    }

    /**
     * @notice Gets the caps parameters of the reserve from storage
     * @param self The reserve configuration
     * @return The state param representing borrow cap
     * @return The state param representing supply cap.
     **/
    function getCaps(DataTypes.ReserveConfigurationMap memory self)
        internal
        pure
        returns (uint256, uint256)
    {
        uint256 dataLocal = self.data;

        return (
            (dataLocal & ~BORROW_CAP_MASK) >> BORROW_CAP_START_BIT_POSITION,
            (dataLocal & ~SUPPLY_CAP_MASK) >> SUPPLY_CAP_START_BIT_POSITION
        );
    }
}

// File: contracts/protocol/libraries/configuration/UserConfiguration.sol



// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.10;

import {Errors} from "../helpers/Errors.sol";
import {DataTypes} from "../types/DataTypes.sol";
import {ReserveConfiguration} from "./ReserveConfiguration.sol";

/**
 * @title UserConfiguration library
 *
 * @notice Implements the bitmap logic to handle the user configuration
 */
library UserConfiguration {
    using ReserveConfiguration for DataTypes.ReserveConfigurationMap;

    uint256 internal constant BORROWING_MASK =
        0x5555555555555555555555555555555555555555555555555555555555555555;
    uint256 internal constant COLLATERAL_MASK =
        0xAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA;

    /**
     * @notice Sets if the user is borrowing the reserve identified by reserveIndex
     * @param self The configuration object
     * @param reserveIndex The index of the reserve in the bitmap
     * @param borrowing True if the user is borrowing the reserve, false otherwise
     **/
    function setBorrowing(
        DataTypes.UserConfigurationMap storage self,
        uint256 reserveIndex,
        bool borrowing
    ) internal {
        unchecked {
            require(
                reserveIndex < ReserveConfiguration.MAX_RESERVES_COUNT,
                Errors.INVALID_RESERVE_INDEX
            );
            uint256 bit = 1 << (reserveIndex << 1);
            if (borrowing) {
                self.data |= bit;
            } else {
                self.data &= ~bit;
            }
        }
    }

    /**
     * @notice Sets if the user is using as collateral the reserve identified by reserveIndex
     * @param self The configuration object
     * @param reserveIndex The index of the reserve in the bitmap
     * @param usingAsCollateral True if the user is using the reserve as collateral, false otherwise
     **/
    function setUsingAsCollateral(
        DataTypes.UserConfigurationMap storage self,
        uint256 reserveIndex,
        bool usingAsCollateral
    ) internal {
        unchecked {
            require(
                reserveIndex < ReserveConfiguration.MAX_RESERVES_COUNT,
                Errors.INVALID_RESERVE_INDEX
            );
            uint256 bit = 1 << ((reserveIndex << 1) + 1);
            if (usingAsCollateral) {
                self.data |= bit;
            } else {
                self.data &= ~bit;
            }
        }
    }

    /**
     * @notice Returns if a user has been using the reserve for borrowing or as collateral
     * @param self The configuration object
     * @param reserveIndex The index of the reserve in the bitmap
     * @return True if the user has been using a reserve for borrowing or as collateral, false otherwise
     **/
    function isUsingAsCollateralOrBorrowing(
        DataTypes.UserConfigurationMap memory self,
        uint256 reserveIndex
    ) internal pure returns (bool) {
        unchecked {
            require(
                reserveIndex < ReserveConfiguration.MAX_RESERVES_COUNT,
                Errors.INVALID_RESERVE_INDEX
            );
            return (self.data >> (reserveIndex << 1)) & 3 != 0;
        }
    }

    /**
     * @notice Validate a user has been using the reserve for borrowing
     * @param self The configuration object
     * @param reserveIndex The index of the reserve in the bitmap
     * @return True if the user has been using a reserve for borrowing, false otherwise
     **/
    function isBorrowing(
        DataTypes.UserConfigurationMap memory self,
        uint256 reserveIndex
    ) internal pure returns (bool) {
        unchecked {
            require(
                reserveIndex < ReserveConfiguration.MAX_RESERVES_COUNT,
                Errors.INVALID_RESERVE_INDEX
            );
            return (self.data >> (reserveIndex << 1)) & 1 != 0;
        }
    }

    /**
     * @notice Validate a user has been using the reserve as collateral
     * @param self The configuration object
     * @param reserveIndex The index of the reserve in the bitmap
     * @return True if the user has been using a reserve as collateral, false otherwise
     **/
    function isUsingAsCollateral(
        DataTypes.UserConfigurationMap memory self,
        uint256 reserveIndex
    ) internal pure returns (bool) {
        unchecked {
            require(
                reserveIndex < ReserveConfiguration.MAX_RESERVES_COUNT,
                Errors.INVALID_RESERVE_INDEX
            );
            return (self.data >> ((reserveIndex << 1) + 1)) & 1 != 0;
        }
    }

    /**
     * @notice Checks if a user has been supplying only one reserve as collateral
     * @dev this uses a simple trick - if a number is a power of two (only one bit set) then n & (n - 1) == 0
     * @param self The configuration object
     * @return True if the user has been supplying as collateral one reserve, false otherwise
     **/
    function isUsingAsCollateralOne(DataTypes.UserConfigurationMap memory self)
        internal
        pure
        returns (bool)
    {
        uint256 collateralData = self.data & COLLATERAL_MASK;
        return
            collateralData != 0 && (collateralData & (collateralData - 1) == 0);
    }

    /**
     * @notice Checks if a user has been supplying any reserve as collateral
     * @param self The configuration object
     * @return True if the user has been supplying as collateral any reserve, false otherwise
     **/
    function isUsingAsCollateralAny(DataTypes.UserConfigurationMap memory self)
        internal
        pure
        returns (bool)
    {
        return self.data & COLLATERAL_MASK != 0;
    }

    /**
     * @notice Checks if a user has been borrowing only one asset
     * @dev this uses a simple trick - if a number is a power of two (only one bit set) then n & (n - 1) == 0
     * @param self The configuration object
     * @return True if the user has been supplying as collateral one reserve, false otherwise
     **/
    function isBorrowingOne(DataTypes.UserConfigurationMap memory self)
        internal
        pure
        returns (bool)
    {
        uint256 borrowingData = self.data & BORROWING_MASK;
        return borrowingData != 0 && (borrowingData & (borrowingData - 1) == 0);
    }

    /**
     * @notice Checks if a user has been borrowing from any reserve
     * @param self The configuration object
     * @return True if the user has been borrowing any reserve, false otherwise
     **/
    function isBorrowingAny(DataTypes.UserConfigurationMap memory self)
        internal
        pure
        returns (bool)
    {
        return self.data & BORROWING_MASK != 0;
    }

    /**
     * @notice Checks if a user has not been using any reserve for borrowing or supply
     * @param self The configuration object
     * @return True if the user has not been borrowing or supplying any reserve, false otherwise
     **/
    function isEmpty(DataTypes.UserConfigurationMap memory self)
        internal
        pure
        returns (bool)
    {
        return self.data == 0;
    }

    /**
     * @notice Returns the siloed borrowing state for the user
     * @param self The configuration object
     * @param reservesData The data of all the reserves
     * @param reservesList The reserve list
     * @return True if the user has borrowed a siloed asset, false otherwise
     * @return The address of the only borrowed asset
     */
    function getSiloedBorrowingState(
        DataTypes.UserConfigurationMap memory self,
        mapping(address => DataTypes.ReserveData) storage reservesData,
        mapping(uint256 => address) storage reservesList
    ) internal view returns (bool, address) {
        if (isBorrowingOne(self)) {
            uint256 assetId = _getFirstAssetIdByMask(self, BORROWING_MASK);
            address assetAddress = reservesList[assetId];
            if (reservesData[assetAddress].configuration.getSiloedBorrowing()) {
                return (true, assetAddress);
            }
        }

        return (false, address(0));
    }

    /**
     * @notice Returns the address of the first asset flagged in the bitmap given the corresponding bitmask
     * @param self The configuration object
     * @return The index of the first asset flagged in the bitmap once the corresponding mask is applied
     */
    function _getFirstAssetIdByMask(
        DataTypes.UserConfigurationMap memory self,
        uint256 mask
    ) internal pure returns (uint256) {
        unchecked {
            uint256 bitmapData = self.data & mask;
            uint256 firstAssetPosition = bitmapData & ~(bitmapData - 1);
            uint256 id;

            while ((firstAssetPosition >>= 2) != 0) {
                id += 1;
            }
            return id;
        }
    }
}

// File: contracts/protocol/libraries/types/DataTypes.sol



// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.10;

library DataTypes {
    enum AssetType {
        ERC20,
        ERC721,
        ERC1155
    }

    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;
        // the asset type of the reserve (uint8)
        AssetType assetType;
        //xToken address
        address xTokenAddress;
        //stableDebtToken address
        address stableDebtTokenAddress;
        //variableDebtToken address
        address variableDebtTokenAddress;
        //address of the interest rate strategy
        address interestRateStrategyAddress;
        //the current treasury balance, scaled
        uint128 accruedToTreasury;
    }

    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 ERC721SupplyParams {
        uint256 tokenId;
        bool useAsCollateral;
    }

    enum InterestRateMode {
        NONE,
        STABLE,
        VARIABLE
    }

    struct ReserveCache {
        AssetType assetType;
        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 xTokenAddress;
        address stableDebtTokenAddress;
        address variableDebtTokenAddress;
        uint40 reserveLastUpdateTimestamp;
        uint40 stableDebtLastUpdateTimestamp;
    }

    // struct ExecuteLiquidationCallParams {
    //     uint256 reservesCount;
    //     uint256 debtToCover;
    //     address collateralAsset;
    //     address debtAsset;
    //     address user;
    //     bool receiveOToken;
    //     address priceOracle;
    //     address priceOracleSentinel;
    // }

    // struct ExecuteERC721LiquidationCallParams {
    //     uint256 reservesCount;
    //     uint256 liquidationAmount;
    //     uint256 collateralTokenId;
    //     address collateralAsset;
    //     address liquidationAsset;
    //     address user;
    //     bool receiveNToken;
    //     address priceOracle;
    //     address priceOracleSentinel;
    // }

    struct ExecuteLiquidationCallParams {
        uint256 reservesCount;
        uint256 liquidationAmount;
        uint256 collateralTokenId;
        address collateralAsset;
        address liquidationAsset;
        address user;
        bool receiveXToken;
        address priceOracle;
        address priceOracleSentinel;
    }

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

    struct ExecuteSupplyERC721Params {
        address asset;
        DataTypes.ERC721SupplyParams[] tokenData;
        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;
        address priceOracleSentinel;
    }

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

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

    struct ExecuteWithdrawERC721Params {
        address asset;
        uint256[] tokenIds;
        address to;
        uint256 reservesCount;
        address oracle;
    }

    struct FinalizeTransferParams {
        address asset;
        address from;
        address to;
        bool usedAsCollateral;
        uint256 value;
        uint256 balanceFromBefore;
        uint256 balanceToBefore;
        uint256 reservesCount;
        address oracle;
    }

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

    struct ValidateBorrowParams {
        ReserveCache reserveCache;
        UserConfigurationMap userConfig;
        address asset;
        address userAddress;
        uint256 amount;
        InterestRateMode interestRateMode;
        uint256 maxStableLoanPercent;
        uint256 reservesCount;
        address oracle;
        address priceOracleSentinel;
        AssetType assetType;
    }

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

    struct ValidateERC721LiquidationCallParams {
        ReserveCache debtReserveCache;
        uint256 totalDebt;
        uint256 healthFactor;
        uint256 tokenId;
        uint256 collateralDiscountedPrice;
        uint256 liquidationAmount;
        address priceOracleSentinel;
        address xTokenAddress;
        AssetType assetType;
    }

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

    struct InitReserveParams {
        address asset;
        AssetType assetType;
        address xTokenAddress;
        address stableDebtAddress;
        address variableDebtAddress;
        address interestRateStrategyAddress;
        uint16 reservesCount;
        uint16 maxNumberReserves;
    }

    struct ExecuteFlashClaimParams {
        address receiverAddress;
        address nftAsset;
        uint256[] nftTokenIds;
        bytes params;
    }
}

// File: contracts/ui/libraries/DataTypesHelper.sol



// SPDX-License-Identifier: AGPL-3.0
pragma solidity 0.8.10;

import {IERC20} from "../../dependencies/openzeppelin/contracts/IERC20.sol";
import {DataTypes} from "../../protocol/libraries/types/DataTypes.sol";

/**
 * @title DataTypesHelper
 *
 * @dev Helper library to track user current debt balance, used by WETHGateway
 */
library DataTypesHelper {
    /**
     * @notice Fetches the user current stable and variable debt balances
     * @param user The user address
     * @param reserve The reserve data object
     * @return The stable debt balance
     * @return The variable debt balance
     **/
    function getUserCurrentDebt(
        address user,
        DataTypes.ReserveData memory reserve
    ) internal view returns (uint256, uint256) {
        return (
            IERC20(reserve.stableDebtTokenAddress).balanceOf(user),
            IERC20(reserve.variableDebtTokenAddress).balanceOf(user)
        );
    }
}

// File: contracts/dependencies/openzeppelin/contracts/Context.sol



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

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

  function _msgData() internal view virtual returns (bytes memory) {
    this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
    return msg.data;
  }
}

// File: contracts/interfaces/IPoolAddressesProvider.sol



// SPDX-License-Identifier: AGPL-3.0
pragma solidity 0.8.10;

/**
 * @title IPoolAddressesProvider
 *
 * @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 Omni 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 Omni 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: contracts/interfaces/IScaledBalanceToken.sol



// SPDX-License-Identifier: AGPL-3.0
pragma solidity 0.8.10;

/**
 * @title IScaledBalanceToken
 *
 * @notice Defines the basic interface for a scaledbalance token.
 **/
interface IScaledBalanceToken {
    /**
     * @dev Emitted after the mint action
     * @param caller The address performing the mint
     * @param onBehalfOf The address of the user that will receive the minted scaled balance tokens
     * @param value The amount being minted (user entered amount + balance increase from interest)
     * @param balanceIncrease The increase in balance since the last action of the user
     * @param index The next liquidity index of the reserve
     **/
    event Mint(
        address indexed caller,
        address indexed onBehalfOf,
        uint256 value,
        uint256 balanceIncrease,
        uint256 index
    );

    /**
     * @dev Emitted after scaled balance tokens are burned
     * @param from The address from which the scaled tokens will be burned
     * @param target The address that will receive the underlying, if any
     * @param value The amount being burned (user entered amount - balance increase from interest)
     * @param balanceIncrease The increase in balance since the last action of the user
     * @param index The next liquidity index of the reserve
     **/
    event Burn(
        address indexed from,
        address indexed target,
        uint256 value,
        uint256 balanceIncrease,
        uint256 index
    );

    /**
     * @notice Returns the scaled balance of the user.
     * @dev The scaled balance is the sum of all the updated stored balance divided by the reserve's liquidity index
     * at the moment of the update
     * @param user The user whose balance is calculated
     * @return The scaled balance of the user
     **/
    function scaledBalanceOf(address user) external view returns (uint256);

    /**
     * @notice Returns the scaled balance of the user and the scaled total supply.
     * @param user The address of the user
     * @return The scaled balance of the user
     * @return The scaled total supply
     **/
    function getScaledUserBalanceAndSupply(address user)
        external
        view
        returns (uint256, uint256);

    /**
     * @notice Returns the scaled total supply of the scaled balance token. Represents sum(debt/index)
     * @return The scaled total supply
     **/
    function scaledTotalSupply() external view returns (uint256);

    /**
     * @notice Returns last index interest was accrued to the user's balance
     * @param user The address of the user
     * @return The last index interest was accrued to the user's balance, expressed in ray
     **/
    function getPreviousIndex(address user) external view returns (uint256);
}

// File: contracts/interfaces/IInitializableOToken.sol



// SPDX-License-Identifier: AGPL-3.0
pragma solidity 0.8.10;

import {IRewardController} from "./IRewardController.sol";
import {IPool} from "./IPool.sol";

/**
 * @title IInitializableOToken
 *
 * @notice Interface for the initialize function on OToken
 **/
interface IInitializableOToken {
    /**
     * @dev Emitted when an oToken is initialized
     * @param underlyingAsset The address of the underlying asset
     * @param pool The address of the associated pool
     * @param treasury The address of the treasury
     * @param incentivesController The address of the incentives controller for this oToken
     * @param oTokenDecimals The decimals of the underlying
     * @param oTokenName The name of the oToken
     * @param oTokenSymbol The symbol of the oToken
     * @param params A set of encoded parameters for additional initialization
     **/
    event Initialized(
        address indexed underlyingAsset,
        address indexed pool,
        address treasury,
        address incentivesController,
        uint8 oTokenDecimals,
        string oTokenName,
        string oTokenSymbol,
        bytes params
    );

    /**
     * @notice Initializes the oToken
     * @param pool The pool contract that is initializing this contract
     * @param treasury The address of the Omni treasury, receiving the fees on this oToken
     * @param underlyingAsset The address of the underlying asset of this oToken (E.g. WETH for aWETH)
     * @param incentivesController The smart contract managing potential incentives distribution
     * @param oTokenDecimals The decimals of the oToken, same as the underlying asset's
     * @param oTokenName The name of the oToken
     * @param oTokenSymbol The symbol of the oToken
     * @param params A set of encoded parameters for additional initialization
     */
    function initialize(
        IPool pool,
        address treasury,
        address underlyingAsset,
        IRewardController incentivesController,
        uint8 oTokenDecimals,
        string calldata oTokenName,
        string calldata oTokenSymbol,
        bytes calldata params
    ) external;
}

// File: contracts/interfaces/IRewardController.sol



// SPDX-License-Identifier: AGPL-3.0
pragma solidity 0.8.10;

/**
 * @title IRewardController
 *
 * @notice Defines the basic interface for an Omni Incentives Controller.
 **/
interface IRewardController {
    /**
     * @dev Emitted during `handleAction`, `claimRewards` and `claimRewardsOnBehalf`
     * @param user The user that accrued rewards
     * @param amount The amount of accrued rewards
     */
    event RewardsAccrued(address indexed user, uint256 amount);

    event RewardsClaimed(
        address indexed user,
        address indexed to,
        uint256 amount
    );

    /**
     * @dev Emitted during `claimRewards` and `claimRewardsOnBehalf`
     * @param user The address that accrued rewards
     * @param to The address that will be receiving the rewards
     * @param claimer The address that performed the claim
     * @param amount The amount of rewards
     */
    event RewardsClaimed(
        address indexed user,
        address indexed to,
        address indexed claimer,
        uint256 amount
    );

    /**
     * @dev Emitted during `setClaimer`
     * @param user The address of the user
     * @param claimer The address of the claimer
     */
    event ClaimerSet(address indexed user, address indexed claimer);

    /**
     * @notice Returns the configuration of the distribution for a certain asset
     * @param asset The address of the reference asset of the distribution
     * @return The asset index
     * @return The emission per second
     * @return The last updated timestamp
     **/
    function getAssetData(address asset)
        external
        view
        returns (
            uint256,
            uint256,
            uint256
        );

    /**
     * LEGACY **************************
     * @dev Returns the configuration of the distribution for a certain asset
     * @param asset The address of the reference asset of the distribution
     * @return The asset index, the emission per second and the last updated timestamp
     **/
    function assets(address asset)
        external
        view
        returns (
            uint128,
            uint128,
            uint256
        );

    /**
     * @notice Whitelists an address to claim the rewards on behalf of another address
     * @param user The address of the user
     * @param claimer The address of the claimer
     */
    function setClaimer(address user, address claimer) external;

    /**
     * @notice Returns the whitelisted claimer for a certain address (0x0 if not set)
     * @param user The address of the user
     * @return The claimer address
     */
    function getClaimer(address user) external view returns (address);

    /**
     * @notice Configure assets for a certain rewards emission
     * @param assets The assets to incentivize
     * @param emissionsPerSecond The emission for each asset
     */
    function configureAssets(
        address[] calldata assets,
        uint256[] calldata emissionsPerSecond
    ) external;

    /**
     * @notice Called by the corresponding asset on any update that affects the rewards distribution
     * @param asset The address of the user
     * @param userBalance The balance of the user of the asset in the pool
     * @param totalSupply The total supply of the asset in the pool
     **/
    function handleAction(
        address asset,
        uint256 totalSupply,
        uint256 userBalance
    ) external;

    /**
     * @notice Returns the total of rewards of a user, already accrued + not yet accrued
     * @param assets The assets to accumulate rewards for
     * @param user The address of the user
     * @return The rewards
     **/
    function getRewardsBalance(address[] calldata assets, address user)
        external
        view
        returns (uint256);

    /**
     * @notice Claims reward for a user, on the assets of the pool, accumulating the pending rewards
     * @param assets The assets to accumulate rewards for
     * @param amount Amount of rewards to claim
     * @param to Address that will be receiving the rewards
     * @return Rewards claimed
     **/
    function claimRewards(
        address[] calldata assets,
        uint256 amount,
        address to
    ) external returns (uint256);

    /**
     * @notice Claims reward for a user on its behalf, on the assets of the pool, accumulating the pending rewards.
     * @dev The caller must be whitelisted via "allowClaimOnBehalf" function by the RewardsAdmin role manager
     * @param assets The assets to accumulate rewards for
     * @param amount The amount of rewards to claim
     * @param user The address to check and claim rewards
     * @param to The address that will be receiving the rewards
     * @return The amount of rewards claimed
     **/
    function claimRewardsOnBehalf(
        address[] calldata assets,
        uint256 amount,
        address user,
        address to
    ) external returns (uint256);

    /**
     * @notice Returns the unclaimed rewards of the user
     * @param user The address of the user
     * @return The unclaimed user rewards
     */
    function getUserUnclaimedRewards(address user)
        external
        view
        returns (uint256);

    /**
     * @notice Returns the user index for a specific asset
     * @param user The address of the user
     * @param asset The asset to incentivize
     * @return The user index for the asset
     */
    function getUserAssetData(address user, address asset)
        external
        view
        returns (uint256);

    /**
     * @notice for backward compatibility with previous implementation of the Incentives controller
     * @return The address of the reward token
     */
    function REWARD_TOKEN() external view returns (address);

    /**
     * @notice for backward compatibility with previous implementation of the Incentives controller
     * @return The precision used in the incentives controller
     */
    function PRECISION() external view returns (uint8);

    /**
     * @dev Gets the distribution end timestamp of the emissions
     */
    function DISTRIBUTION_END() external view returns (uint256);
}

// File: contracts/protocol/libraries/helpers/Errors.sol



// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.10;

/**
 * @title Errors library
 *
 * @notice Defines the error messages emitted by the different contracts of the Omni protocol
 */
library Errors {
    string public constant CALLER_NOT_POOL_ADMIN = "1"; // 'The caller of the function is not a pool admin'
    string public constant CALLER_NOT_EMERGENCY_ADMIN = "2"; // 'The caller of the function is not an emergency admin'
    string public constant CALLER_NOT_POOL_OR_EMERGENCY_ADMIN = "3"; // 'The caller of the function is not a pool or emergency admin'
    string public constant CALLER_NOT_RISK_OR_POOL_ADMIN = "4"; // 'The caller of the function is not a risk or pool admin'
    string public constant CALLER_NOT_ASSET_LISTING_OR_POOL_ADMIN = "5"; // 'The caller of the function is not an asset listing or pool admin'
    string public constant CALLER_NOT_BRIDGE = "6"; // 'The caller of the function is not a bridge'
    string public constant ADDRESSES_PROVIDER_NOT_REGISTERED = "7"; // 'Pool addresses provider is not registered'
    string public constant INVALID_ADDRESSES_PROVIDER_ID = "8"; // 'Invalid id for the pool addresses provider'
    string public constant NOT_CONTRACT = "9"; // 'Address is not a contract'
    string public constant CALLER_NOT_POOL_CONFIGURATOR = "10"; // 'The caller of the function is not the pool configurator'
    string public constant CALLER_NOT_XTOKEN = "11"; // 'The caller of the function is not an OToken'
    string public constant INVALID_ADDRESSES_PROVIDER = "12"; // 'The address of the pool addresses provider is invalid'
    string public constant INVALID_FLASHLOAN_EXECUTOR_RETURN = "13"; // 'Invalid return value of the flashloan executor function'
    string public constant RESERVE_ALREADY_ADDED = "14"; // 'Reserve has already been added to reserve list'
    string public constant NO_MORE_RESERVES_ALLOWED = "15"; // 'Maximum amount of reserves in the pool reached'
    string public constant EMODE_CATEGORY_RESERVED = "16"; // 'Zero eMode category is reserved for volatile heterogeneous assets'
    string public constant INVALID_EMODE_CATEGORY_ASSIGNMENT = "17"; // 'Invalid eMode category assignment to asset'
    string public constant RESERVE_LIQUIDITY_NOT_ZERO = "18"; // 'The liquidity of the reserve needs to be 0'
    string public constant FLASHLOAN_PREMIUM_INVALID = "19"; // 'Invalid flashloan premium'
    string public constant INVALID_RESERVE_PARAMS = "20"; // 'Invalid risk parameters for the reserve'
    string public constant INVALID_EMODE_CATEGORY_PARAMS = "21"; // 'Invalid risk parameters for the eMode category'
    string public constant BRIDGE_PROTOCOL_FEE_INVALID = "22"; // 'Invalid bridge protocol fee'
    string public constant CALLER_MUST_BE_POOL = "23"; // 'The caller of this function must be a pool'
    string public constant INVALID_MINT_AMOUNT = "24"; // 'Invalid amount to mint'
    string public constant INVALID_BURN_AMOUNT = "25"; // 'Invalid amount to burn'
    string public constant INVALID_AMOUNT = "26"; // 'Amount must be greater than 0'
    string public constant RESERVE_INACTIVE = "27"; // 'Action requires an active reserve'
    string public constant RESERVE_FROZEN = "28"; // 'Action cannot be performed because the reserve is frozen'
    string public constant RESERVE_PAUSED = "29"; // 'Action cannot be performed because the reserve is paused'
    string public constant BORROWING_NOT_ENABLED = "30"; // 'Borrowing is not enabled'
    string public constant STABLE_BORROWING_NOT_ENABLED = "31"; // 'Stable borrowing is not enabled'
    string public constant NOT_ENOUGH_AVAILABLE_USER_BALANCE = "32"; // 'User cannot withdraw more than the available balance'
    string public constant INVALID_INTEREST_RATE_MODE_SELECTED = "33"; // 'Invalid interest rate mode selected'
    string public constant COLLATERAL_BALANCE_IS_ZERO = "34"; // 'The collateral balance is 0'
    string public constant HEALTH_FACTOR_LOWER_THAN_LIQUIDATION_THRESHOLD =
        "35"; // 'Health factor is lesser than the liquidation threshold'
    string public constant COLLATERAL_CANNOT_COVER_NEW_BORROW = "36"; // 'There is not enough collateral to cover a new borrow'
    string public constant COLLATERAL_SAME_AS_BORROWING_CURRENCY = "37"; // 'Collateral is (mostly) the same currency that is being borrowed'
    string public constant AMOUNT_BIGGER_THAN_MAX_LOAN_SIZE_STABLE = "38"; // 'The requested amount is greater than the max loan size in stable rate mode'
    string public constant NO_DEBT_OF_SELECTED_TYPE = "39"; // 'For repayment of a specific type of debt, the user needs to have debt that type'
    string public constant NO_EXPLICIT_AMOUNT_TO_REPAY_ON_BEHALF = "40"; // 'To repay on behalf of a user an explicit amount to repay is needed'
    string public constant NO_OUTSTANDING_STABLE_DEBT = "41"; // 'User does not have outstanding stable rate debt on this reserve'
    string public constant NO_OUTSTANDING_VARIABLE_DEBT = "42"; // 'User does not have outstanding variable rate debt on this reserve'
    string public constant UNDERLYING_BALANCE_ZERO = "43"; // 'The underlying balance needs to be greater than 0'
    string public constant INTEREST_RATE_REBALANCE_CONDITIONS_NOT_MET = "44"; // 'Interest rate rebalance conditions were not met'
    string public constant HEALTH_FACTOR_NOT_BELOW_THRESHOLD = "45"; // 'Health factor is not below the threshold'
    string public constant COLLATERAL_CANNOT_BE_LIQUIDATED = "46"; // 'The collateral chosen cannot be liquidated'
    string public constant SPECIFIED_CURRENCY_NOT_BORROWED_BY_USER = "47"; // 'User did not borrow the specified currency'
    string public constant SAME_BLOCK_BORROW_REPAY = "48"; // 'Borrow and repay in same block is not allowed'
    string public constant INCONSISTENT_FLASHLOAN_PARAMS = "49"; // 'Inconsistent flashloan parameters'
    string public constant BORROW_CAP_EXCEEDED = "50"; // 'Borrow cap is exceeded'
    string public constant SUPPLY_CAP_EXCEEDED = "51"; // 'Supply cap is exceeded'
    string public constant UNBACKED_MINT_CAP_EXCEEDED = "52"; // 'Unbacked mint cap is exceeded'
    string public constant DEBT_CEILING_EXCEEDED = "53"; // 'Debt ceiling is exceeded'
    string public constant XTOKEN_SUPPLY_NOT_ZERO = "54"; // 'OToken supply is not zero'
    string public constant STABLE_DEBT_NOT_ZERO = "55"; // 'Stable debt supply is not zero'
    string public constant VARIABLE_DEBT_SUPPLY_NOT_ZERO = "56"; // 'Variable debt supply is not zero'
    string public constant LTV_VALIDATION_FAILED = "57"; // 'Ltv validation failed'
    string public constant INCONSISTENT_EMODE_CATEGORY = "58"; // 'Inconsistent eMode category'
    string public constant PRICE_ORACLE_SENTINEL_CHECK_FAILED = "59"; // 'Price oracle sentinel validation failed'
    string public constant ASSET_NOT_BORROWABLE_IN_ISOLATION = "60"; // 'Asset is not borrowable in isolation mode'
    string public constant RESERVE_ALREADY_INITIALIZED = "61"; // 'Reserve has already been initialized'
    string public constant USER_IN_ISOLATION_MODE = "62"; // 'User is in isolation mode'
    string public constant INVALID_LTV = "63"; // 'Invalid ltv parameter for the reserve'
    string public constant INVALID_LIQ_THRESHOLD = "64"; // 'Invalid liquidity threshold parameter for the reserve'
    string public constant INVALID_LIQ_BONUS = "65"; // 'Invalid liquidity bonus parameter for the reserve'
    string public constant INVALID_DECIMALS = "66"; // 'Invalid decimals parameter of the underlying asset of the reserve'
    string public constant INVALID_RESERVE_FACTOR = "67"; // 'Invalid reserve factor parameter for the reserve'
    string public constant INVALID_BORROW_CAP = "68"; // 'Invalid borrow cap for the reserve'
    string public constant INVALID_SUPPLY_CAP = "69"; // 'Invalid supply cap for the reserve'
    string public constant INVALID_LIQUIDATION_PROTOCOL_FEE = "70"; // 'Invalid liquidation protocol fee for the reserve'
    string public constant INVALID_EMODE_CATEGORY = "71"; // 'Invalid eMode category for the reserve'
    string public constant INVALID_UNBACKED_MINT_CAP = "72"; // 'Invalid unbacked mint cap for the reserve'
    string public constant INVALID_DEBT_CEILING = "73"; // 'Invalid debt ceiling for the reserve
    string public constant INVALID_RESERVE_INDEX = "74"; // 'Invalid reserve index'
    string public constant ACL_ADMIN_CANNOT_BE_ZERO = "75"; // 'ACL admin cannot be set to the zero address'
    string public constant INCONSISTENT_PARAMS_LENGTH = "76"; // 'Array parameters that should be equal length are not'
    string public constant ZERO_ADDRESS_NOT_VALID = "77"; // 'Zero address not valid'
    string public constant INVALID_EXPIRATION = "78"; // 'Invalid expiration'
    string public constant INVALID_SIGNATURE = "79"; // 'Invalid signature'
    string public constant OPERATION_NOT_SUPPORTED = "80"; // 'Operation not supported'
    string public constant DEBT_CEILING_NOT_ZERO = "81"; // 'Debt ceiling is not zero'
    string public constant ASSET_NOT_LISTED = "82"; // 'Asset is not listed'
    string public constant INVALID_OPTIMAL_USAGE_RATIO = "83"; // 'Invalid optimal usage ratio'
    string public constant INVALID_OPTIMAL_STABLE_TO_TOTAL_DEBT_RATIO = "84"; // 'Invalid optimal stable to total debt ratio'
    string public constant UNDERLYING_CANNOT_BE_RESCUED = "85"; // 'The underlying asset cannot be rescued'
    string public constant ADDRESSES_PROVIDER_ALREADY_ADDED = "86"; // 'Reserve has already been added to reserve list'
    string public constant POOL_ADDRESSES_DO_NOT_MATCH = "87"; // 'The token implementation pool address and the pool address provided by the initializing pool do not match'
    string public constant STABLE_BORROWING_ENABLED = "88"; // 'Stable borrowing is enabled'
    string public constant SILOED_BORROWING_VIOLATION = "89"; // 'User is trying to borrow multiple assets including a siloed one'
    string public constant RESERVE_DEBT_NOT_ZERO = "90"; // the total debt of the reserve needs to be 0
    string public constant NOT_THE_OWNER = "91"; // user is not the owner of a given asset
    string public constant LIQUIDATION_AMOUNT_NOT_ENOUGH = "92";
    string public constant INVALID_ASSET_TYPE = "93"; // invalid asset type for action.
    string public constant INVALID_FLASH_CLAIM_RECEIVER = "94"; // invalid flash claim receiver.
    string public constant ERC721_HEALTH_FACTOR_NOT_BELOW_THRESHOLD = "95"; // 'ERC721 Health factor is not below the threshold. Can only liquidate ERC20'
    string public constant UNDERLYING_ASSET_CAN_NOT_BE_TRANSFERRED = "96"; //underlying asset can not be transferred.
    string public constant TOKEN_TRANSFERRED_CAN_NOT_BE_SELF_ADDRESS = "97"; //token transferred can not be self address.
    string public constant INVALID_AIRDROP_CONTRACT_ADDRESS = "98"; //invalid airdrop contract address.
    string public constant INVALID_AIRDROP_PARAMETERS = "99"; //invalid airdrop parameters.
    string public constant CALL_AIRDROP_METHOD_FAILED = "100"; //call airdrop method failed.
}