// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.23;

import {ERC20} from '@openzeppelin/contracts/token/ERC20/ERC20.sol';
import {ReentrancyGuard} from '@openzeppelin/contracts/utils/ReentrancyGuard.sol';

import {IERC20Metadata} from '@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol';
import {SafeERC20} from '@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol';

import {SharedData} from './lib/SharedData.sol';
import {SharesMath} from './lib/SharesMath.sol';
import {Solvency} from './lib/Solvency.sol';

import {ICollateralToken} from 'interfaces/ICollateralToken.sol';
import {IInterestRateModel} from 'interfaces/IInterestRateModel.sol';
import {ILendingPool} from 'interfaces/ILendingPool.sol';
import {ILiquidationReceiver} from 'interfaces/ILiquidationReceiver.sol';
import {IPriceProvider} from 'interfaces/IPriceProvider.sol';
import {IRepository} from 'interfaces/IRepository.sol';
import {IAllowListAuthentication} from 'interfaces/ISettlement.sol';
import {ISettlement} from 'interfaces/ISettlement.sol';
import {ISwapConnector} from 'interfaces/ISwapConnector.sol';
import {IUtilityTokensFactory} from 'interfaces/IUtilityTokensFactory.sol';

/**
 * @title LendingPool
 * @notice LendingPool implements all core lending protocol logic, such as
 * supplying assets as collateral, borrowing, repaying and withdrawing.
 * It provides liquidation mechanisms and acts as a vault for supplied assets
 */
contract LendingPool is ReentrancyGuard, ILendingPool {
  using SharesMath for uint256;
  using SafeERC20 for ERC20;

  IRepository public override repository;

  address[] private _allAssets;
  /// @dev address of an asset => asset state
  mapping(address => AssetState) private _assetState;
  /// @dev address of an asset => interest data
  mapping(address => AssetInterestData) private _interestData;

  /**
   * @notice Emitted when a new asset is added to the pool
   * @param asset address of new underlying asset
   * @param collateralToken address created collateralToken
   * @param lockedCollateralToken address of created lockedCollateralToken
   * @param debtToken address of created debtToken
   */
  event AssetAdded(address indexed asset, address collateralToken, address lockedCollateralToken, address debtToken);

  /**
   * @notice Emitted when a user borrows an asset from the pool
   * @param asset address of borrowed asset
   * @param borrower address of borrower
   * @param receiver address receiving borrowed amount
   * @param amount amount of asset borrowed
   * @param debtShare amount of debt share tokens minted
   */
  event Borrow(address indexed asset, address indexed borrower, address receiver, uint256 amount, uint256 debtShare);

  /**
   * @notice Emitted when protocol fees on an asset are harvested
   * @param asset address of the underlying harvested asset
   * @param receiver address receiving harvested fees
   * @param harvestedFees amount of harvested fees
   */
  event HarvestProtocolFees(address indexed asset, address receiver, uint256 harvestedFees);

  /**
   * @notice Emitted when successful liquidation occurs
   * @param user address of a liquidated user
   * @param liquidator address of a liquidator
   */
  event Liquidation(address indexed user, address indexed liquidator);

  /**
   * @notice Emitted when a debt is repaid to the pool
   * @param asset address of repaid asset
   * @param borrower address of user whose debt is being repaid
   * @param repayer address of user repaying the debt
   * @param repayAmount amount of asset repaid to the pool
   * @param repayShare amount of debt share tokens burned
   */
  event Repay(
    address indexed asset, address indexed borrower, address repayer, uint256 repayAmount, uint256 repayShare
  );

  /**
   * @dev Emitted when collateral is supplied to the lending pool
   * @param asset address of the asset being supplied as collateral
   * @param depositor address of the account supplying the collateral
   * @param receiver address of the account receiving the minted collateral shares
   * @param amount amount of the asset being supplied as collateral
   * @param mintedShares amount of shares minted for the supplied collateral
   * @param lockedCollateral collateral type flag
   */
  event SupplyCollateral(
    address indexed asset,
    address depositor,
    address indexed receiver,
    uint256 amount,
    uint256 mintedShares,
    bool indexed lockedCollateral
  );

  /**
   * @notice Emitted when a user withdraws collateral tokens from the pool
   * @param asset address of withdrawn asset
   * @param depositor address of user withdrawing collateral
   * @param withdrawnAmount amount of asset withdrawn
   * @param collateralShare amount of collateral share tokens burned
   * @param lockedCollateral collateral type flag
   */
  event WithdrawCollateral(
    address indexed asset,
    address indexed depositor,
    uint256 withdrawnAmount,
    uint256 collateralShare,
    bool indexed lockedCollateral
  );

  error ActionPaused();
  error BorrowerNotMaker();
  error DuplicateAsset();
  error LiquidationNotSuccessful();
  error MaximumLTVReached();
  error MaxSupplyLimitExceeded();
  error NotEnoughLiquidity();
  error NotEnoughDeposits();
  error NotSolvent();
  error OnlyRepository();
  error OnlySettlement();
  error ZeroRepay();
  error ZeroWithdraw();

  modifier onlyRepository() {
    if (msg.sender != address(repository)) revert OnlyRepository();

    _;
  }

  modifier onlySettlement() {
    if (msg.sender != repository.settlement()) revert OnlySettlement();

    _;
  }

  /**
   * @param _repository address of the repository
   */
  constructor(
    address _repository
  ) {
    repository = IRepository(_repository);
  }

  /// @inheritdoc ILendingPool
  function addAssets(IUtilityTokensFactory tokensFactory, address[] memory newAssets) external override onlyRepository {
    for (uint256 i = 0; i < newAssets.length; i++) {
      address asset = newAssets[i];
      AssetState storage assetState = _assetState[asset];

      if (address(assetState.collateralToken) != address(0)) {
        revert DuplicateAsset();
      }

      _allAssets.push(asset);

      UtilityTokensMetadata memory metadata = _generateMetadata(asset);

      assetState.collateralToken = tokensFactory.createCollateralToken(
        metadata.collateralName, metadata.collateralSymbol, address(this), asset, false
      );

      assetState.lockedCollateralToken = tokensFactory.createCollateralToken(
        metadata.lockedCollateralName, metadata.lockedCollateralSymbol, address(this), asset, true
      );

      // solhint-disable-next-line max-line-length
      assetState.debtToken = tokensFactory.createDebtToken(metadata.debtName, metadata.debtSymbol, address(this), asset);

      emit AssetAdded(
        asset,
        address(assetState.collateralToken),
        address(assetState.lockedCollateralToken),
        address(assetState.debtToken)
      );
    }
  }

  /// @inheritdoc ILendingPool
  function convertCollateral(address asset, uint256 amount, bool fromLockedCollateral) external override nonReentrant {
    _convertCollateral(asset, msg.sender, amount, fromLockedCollateral);
  }

  /// @inheritdoc ILendingPool
  function supply(address asset, uint256 amount, bool lockedCollateral) external override {
    _supply(asset, msg.sender, msg.sender, amount, lockedCollateral);
  }

  /// @inheritdoc ILendingPool
  function supplyFor(address asset, address receiver, uint256 amount, bool lockedCollateral) external override {
    _supply(asset, msg.sender, receiver, amount, lockedCollateral);
  }

  /// @inheritdoc ILendingPool
  function withdraw(address asset, uint256 amount, bool lockedCollateral) external override nonReentrant {
    _withdraw(asset, msg.sender, msg.sender, amount, lockedCollateral);
  }

  /// @inheritdoc ILendingPool
  function withdrawFor(
    address asset,
    address depositor,
    address receiver,
    uint256 amount,
    bool lockedCollateral
  ) external override nonReentrant onlySettlement {
    _withdraw(asset, depositor, receiver, amount, lockedCollateral);
  }

  /// @inheritdoc ILendingPool
  function borrow(address asset, uint256 amount) external override nonReentrant {
    _validateIsMaker(msg.sender);
    _borrow(asset, msg.sender, msg.sender, amount);
  }

  /// @inheritdoc ILendingPool
  function borrowFor(
    address asset,
    address borrower,
    address receiver,
    uint256 amount
  ) external override nonReentrant onlySettlement {
    _borrow(asset, borrower, receiver, amount);
  }

  /// @inheritdoc ILendingPool
  function borrowFor(
    address asset,
    address borrower,
    address source,
    address recipient,
    uint256 amount,
    address tradeAsset,
    uint256 tradeAmount
  ) external override nonReentrant onlySettlement {
    _borrow(asset, borrower, source, recipient, amount, tradeAsset, tradeAmount);
  }

  /// @inheritdoc ILendingPool
  function repay(address asset, uint256 amount) external override {
    return _repay(asset, msg.sender, msg.sender, amount);
  }

  /// @inheritdoc ILendingPool
  function repayFor(address asset, address borrower, uint256 amount) external override {
    return _repay(asset, borrower, msg.sender, amount);
  }

  /// @inheritdoc ILendingPool
  function harvestProtocolFees() external override nonReentrant returns (uint256[] memory harvestedAmounts) {
    address[] memory assets = _allAssets;
    harvestedAmounts = new uint256[](assets.length);

    address repositoryOwner = repository.aclAdmin();

    for (uint256 i; i < assets.length;) {
      unchecked {
        harvestedAmounts[i] = _harvestProtocolFees(assets[i], repositoryOwner);
        i++;
      }
    }
  }

  /// @inheritdoc ILendingPool
  function liquidate(
    address _user,
    LiquidateParams[] memory _withdrawalParams,
    LiquidateParams[] memory _repayParams,
    bytes memory _receiverData
  )
    external
    override
    nonReentrant
    returns (LiquidateParams[] memory receivedCollaterals, LiquidateParams[] memory shareAmountsToRepay)
  {
    (receivedCollaterals, shareAmountsToRepay) =
      _liquidate(_user, _withdrawalParams, _repayParams, ILiquidationReceiver(msg.sender), _receiverData);

    emit Liquidation(_user, msg.sender);
  }

  /// @inheritdoc ILendingPool
  function rebalance(
    address _fromAsset,
    address _toAsset,
    uint256 _amount,
    uint256 _minReceiveQuantity,
    bool _lockedCollateral,
    bool _isExactOutput
  ) external override {
    _checkWithdrawPaused(_fromAsset);
    _checkSupplyPaused(_toAsset);
    _accrueInterest(_fromAsset);

    address swapConnector = repository.swapConnector();

    (, uint256 amountToTransfer,) = _withdrawAsset(_fromAsset, _amount, msg.sender, _lockedCollateral, 0);
    ERC20(_fromAsset).safeTransfer(swapConnector, amountToTransfer);

    uint256 amountReceived = ISwapConnector(swapConnector).trade(
      msg.sender, _fromAsset, _toAsset, amountToTransfer, _minReceiveQuantity, _isExactOutput
    );

    _supply(_toAsset, msg.sender, msg.sender, amountReceived, _lockedCollateral);

    if (_lockedCollateral && !isSolvent(msg.sender)) revert NotSolvent();
    _validateMaxSupplyLimitAfter(_toAsset);
  }

  /// @inheritdoc ILendingPool
  function assetUtilizationData(
    address _asset
  ) external view override returns (AssetUtilizationData memory data) {
    AssetState storage _state = _assetState[_asset];

    // solhint-disable-next-line max-line-length
    return AssetUtilizationData(_state.totalDeposits, _state.totalBorrowAmount, _interestData[_asset].interestTimestamp);
  }

  /// @inheritdoc ILendingPool
  function getAssetState(
    address _asset
  ) external view override returns (AssetState memory) {
    return _assetState[_asset];
  }

  /// @inheritdoc ILendingPool
  function interestData(
    address _asset
  ) external view override returns (AssetInterestData memory) {
    return _interestData[_asset];
  }

  /// @inheritdoc ILendingPool
  function isSolvent(
    address _user
  ) public view override returns (bool) {
    (address[] memory assets, AssetState[] memory assetsStates) = getAssetsWithState();

    (uint256 userLTV, uint256 maximumAllowedLTV) = Solvency.calculateLTVs(
      Solvency.SolvencyParams(repository, ILendingPool(address(this)), assets, assetsStates, _user),
      Solvency.TypeofLTV.MaximumLTV
    );

    return userLTV <= maximumAllowedLTV;
  }

  /**
   * @notice Get loan-to-value for a given user with liquidation threshold
   * @param _user address of a user
   * @return userLTV loan-to-value for a given user
   * @return liquidationThreshold liquidation threshold
   */
  function getUserLTV(
    address _user
  ) public view returns (uint256 userLTV, uint256 liquidationThreshold) {
    (address[] memory assets, AssetState[] memory assetsStates) = getAssetsWithState();

    (userLTV, liquidationThreshold) = Solvency.calculateLTVs(
      Solvency.SolvencyParams(repository, ILendingPool(address(this)), assets, assetsStates, _user),
      Solvency.TypeofLTV.LiquidationThreshold
    );
  }

  /// @inheritdoc ILendingPool
  // solhint-disable-next-line max-line-length
  function getAssetsWithState() public view override returns (address[] memory assets, AssetState[] memory assetsState) {
    assets = _allAssets;
    assetsState = new AssetState[](assets.length);

    for (uint256 i = 0; i < assets.length; i++) {
      assetsState[i] = _assetState[assets[i]];
    }
  }

  /**
   * @notice Get liquidity of a given asset
   * @param _asset address of an asset
   * @return uint256 liquidity of given asset
   */
  function liquidity(
    address _asset
  ) public view returns (uint256) {
    return ERC20(_asset).balanceOf(address(this)) - _assetState[_asset].totalLockedDeposits;
  }

  /**
   * @notice Accrues interest for a given asset
   * @param _asset address of an asset
   * @return accruedInterest amount of accrued interest
   */
  function accrueInterest(
    address _asset
  ) external returns (uint256 accruedInterest) {
    return _accrueInterest(_asset);
  }

  /**
   * @notice Converts collateral type from standard to locked and vice versa
   * @param _asset address of an asset
   * @param _depositor address of a depositor
   * @param _amount amount for asset
   * @param _fromLockedCollateral converion type flag
   */
  // solhint-disable-next-line max-line-length
  function _convertCollateral(address _asset, address _depositor, uint256 _amount, bool _fromLockedCollateral) internal {
    _accrueInterest(_asset);

    AssetState storage _state = _assetState[_asset];
    uint256 totalDepositsCached;
    uint256 collateralShare;
    uint256 withdrawnAmount;

    (withdrawnAmount,,) = _withdrawAsset(_asset, _amount, _depositor, _fromLockedCollateral, 0);

    if (_fromLockedCollateral) {
      totalDepositsCached = _state.totalDeposits;
      collateralShare = withdrawnAmount.toShare(totalDepositsCached, _state.collateralToken.totalSupply());
      _state.totalDeposits = totalDepositsCached + withdrawnAmount;
      _state.collateralToken.mint(_depositor, collateralShare);
      if (!isSolvent(_depositor)) revert NotSolvent();
    } else {
      totalDepositsCached = _state.totalLockedDeposits;
      collateralShare = withdrawnAmount.toShare(totalDepositsCached, _state.lockedCollateralToken.totalSupply());
      _state.totalLockedDeposits = totalDepositsCached + withdrawnAmount;
      _state.lockedCollateralToken.mint(_depositor, collateralShare);
    }

    emit SupplyCollateral(_asset, _depositor, _depositor, withdrawnAmount, collateralShare, !_fromLockedCollateral);
  }

  /**
   * @notice Supplies asset as collateral with a given type
   * @param _asset address of an asset
   * @param _depositor address of a depositor
   * @param _receiver address of collateral tokens receiver
   * @param _amount amount for asset
   * @param _lockedCollateral collateral type flag
   */
  function _supply(
    address _asset,
    address _depositor,
    address _receiver,
    uint256 _amount,
    bool _lockedCollateral
  ) internal {
    _checkSupplyPaused(_asset);
    _accrueInterest(_asset);

    AssetState storage _state = _assetState[_asset];

    uint256 collateralShare;
    uint256 totalDeposits = _lockedCollateral ? _state.totalLockedDeposits : _state.totalDeposits;

    if (_lockedCollateral) {
      collateralShare = _amount.toShare(totalDeposits, _state.lockedCollateralToken.totalSupply());
      _state.totalLockedDeposits = totalDeposits + _amount;
      _state.lockedCollateralToken.mint(_receiver, collateralShare);
    } else {
      collateralShare = _amount.toShare(totalDeposits, _state.collateralToken.totalSupply());
      _state.totalDeposits = totalDeposits + _amount;
      _state.collateralToken.mint(_receiver, collateralShare);
    }

    ERC20(_asset).safeTransferFrom(_depositor, address(this), _amount);

    _validateMaxSupplyLimitAfter(_asset);

    emit SupplyCollateral(_asset, _depositor, _receiver, _amount, collateralShare, _lockedCollateral);
  }

  /**
   * @notice Withdraws asset from collateral with a given type
   * @param _asset address of an asset
   * @param _depositor address of a depositor
   * @param _receiver address of asset tokens receiver
   * @param _amount amount for asset
   * @param _lockedCollateral collateral type flag
   */
  function _withdraw(
    address _asset,
    address _depositor,
    address _receiver,
    uint256 _amount,
    bool _lockedCollateral
  ) internal returns (uint256 withdrawnAmount, uint256 withdrawnShare) {
    _accrueInterest(_asset);
    uint256 amountToTransfer;

    (withdrawnAmount, amountToTransfer, withdrawnShare) = _withdrawAsset(
      _asset,
      _amount,
      _depositor,
      _lockedCollateral,
      0 // do not apply any fees on regular withdraw
    );

    if (withdrawnAmount == 0) revert ZeroWithdraw();

    ERC20(_asset).safeTransfer(_receiver, amountToTransfer);

    if (_lockedCollateral && !isSolvent(_depositor)) revert NotSolvent();
  }

  /**
   * @notice Calculates amount of asset to withdraw, updates state, burns collateral tokens
   * @param _asset address of an asset
   * @param _assetAmount amount for asset
   * @param _depositor address of a depositor
   * @param _lockedCollateral collateral type flag
   * @param _protocolLiquidationFee protocol liquidation fee
   * @return withdrawnAmount amount of withdrawn collateral tokens
   * @return amountToTransfer amount of underlying tokens to transfer
   * @return collateralShare amount of burns collateral tokens
   */
  function _withdrawAsset(
    address _asset,
    uint256 _assetAmount,
    address _depositor,
    bool _lockedCollateral,
    uint256 _protocolLiquidationFee
  ) internal returns (uint256 withdrawnAmount, uint256 amountToTransfer, uint256 collateralShare) {
    _checkWithdrawPaused(_asset);

    (uint256 assetTotalDeposits, ICollateralToken collateralToken, uint256 availableLiquidity) =
      getWithdrawAssetData(_asset, _lockedCollateral);

    if (_assetAmount == type(uint256).max) {
      collateralShare = collateralToken.balanceOf(_depositor);
      withdrawnAmount = collateralShare.toAmount(assetTotalDeposits, collateralToken.totalSupply());
    } else {
      collateralShare = _assetAmount.toShareRoundUp(assetTotalDeposits, collateralToken.totalSupply());
      withdrawnAmount = _assetAmount;
    }

    if (withdrawnAmount == 0) {
      // we can not revert here, because liquidation will fail when one of collaterals will be empty
      return (0, 0, 0);
    }

    if (assetTotalDeposits < withdrawnAmount) revert NotEnoughDeposits();

    unchecked {
      assetTotalDeposits -= withdrawnAmount;
    }

    amountToTransfer = _applyLiquidationFee(_asset, withdrawnAmount, _protocolLiquidationFee);

    if (availableLiquidity < amountToTransfer) revert NotEnoughLiquidity();

    AssetState storage _state = _assetState[_asset];

    if (_lockedCollateral) {
      _state.totalLockedDeposits = assetTotalDeposits;
    } else {
      _state.totalDeposits = assetTotalDeposits;
    }

    collateralToken.burn(_depositor, collateralShare);

    emit WithdrawCollateral(_asset, _depositor, amountToTransfer, collateralShare, _lockedCollateral);
  }

  /**
   * @notice Calculates liquidation fee
   * @param _asset address of an asset
   * @param _amount amount on which fee is applied
   * @param _protocolLiquidationFee protocol liquidation fee
   * @return change amount left after substracting fee
   */
  function _applyLiquidationFee(
    address _asset,
    uint256 _amount,
    uint256 _protocolLiquidationFee
  ) internal returns (uint256 change) {
    if (_protocolLiquidationFee == 0) {
      return _amount;
    }

    uint256 liquidationFeeAmount;

    (liquidationFeeAmount, _interestData[_asset].protocolFees) =
      Solvency.calculateLiquidationFee(_interestData[_asset].protocolFees, _amount, _protocolLiquidationFee);

    unchecked {
      // if fees will not be higher than 100% this will not underflow, this is responsibility of Repository
      // in case we do underflow, we can expect liquidator reject tx because of too little change
      change = _amount - liquidationFeeAmount;
    }
  }

  /**
   * @notice Function for standard overcollateralized borrowing action
   * @param _asset address of an asset
   * @param _borrower address that will receive debt tokens
   * @param _receiver address that will receive borrowed tokens
   * @param _amount amount of asset to borrow
   */
  function _borrow(address _asset, address _borrower, address _receiver, uint256 _amount) internal {
    _checkWithdrawPaused(_asset);
    _accrueInterest(_asset);

    if (liquidity(_asset) < _amount) revert NotEnoughLiquidity();

    AssetState storage _state = _assetState[_asset];

    uint256 totalBorrowAmount = _state.totalBorrowAmount;
    uint256 entryFee = repository.entryFee();
    uint256 fee = entryFee == 0 ? 0 : _amount * entryFee / SharedData._FEE_PRECISION_DECIMALS;
    uint256 debtShare = (_amount + fee).toShareRoundUp(totalBorrowAmount, _state.debtToken.totalSupply());

    _state.totalBorrowAmount = totalBorrowAmount + _amount + fee;
    _interestData[_asset].protocolFees += fee;

    _state.debtToken.mint(_borrower, debtShare);

    ERC20(_asset).safeTransfer(_receiver, _amount);

    _validateBorrowAfter(_borrower);

    emit Borrow(_asset, _borrower, _receiver, _amount, debtShare);
  }

  /**
   * @notice Function that allows to borrow for a trade inside settlement
   * @param _asset address of an asset
   * @param _borrower address that will receive debt tokens
   * @param _source address from which trade asset will be received
   * @param _recipient address that will receive borrowed tokens
   * @param _amount amount of asset to borrow
   * @param _tradeAsset address of a trade asset
   * @param _tradeAmount amount of a trade asset
   */
  function _borrow(
    address _asset,
    address _borrower,
    address _source,
    address _recipient,
    uint256 _amount,
    address _tradeAsset,
    uint256 _tradeAmount
  ) internal {
    _checkPaused(_asset);
    _accrueInterest(_asset);
    _accrueInterest(_tradeAsset);

    if (liquidity(_asset) < _amount) revert NotEnoughLiquidity();

    AssetState storage _state = _assetState[_asset];

    uint256 totalBorrowAmount = _state.totalBorrowAmount;
    uint256 entryFee = repository.entryFee();
    uint256 fee = entryFee == 0 ? 0 : _amount * entryFee / SharedData._FEE_PRECISION_DECIMALS;
    uint256 debtShare = (_amount + fee).toShareRoundUp(totalBorrowAmount, _state.debtToken.totalSupply());

    _state.totalBorrowAmount = totalBorrowAmount + _amount + fee;
    _interestData[_asset].protocolFees += fee;

    _state.debtToken.mint(_borrower, debtShare);

    ERC20(_asset).safeTransfer(_recipient, _amount);

    _state = _assetState[_tradeAsset];

    uint256 totalDepositsCached = _state.totalLockedDeposits;

    uint256 collateralShare = _tradeAmount.toShare(totalDepositsCached, _state.lockedCollateralToken.totalSupply());
    _state.totalLockedDeposits = totalDepositsCached + _tradeAmount;
    _state.lockedCollateralToken.mint(_borrower, collateralShare);

    ERC20(_tradeAsset).safeTransferFrom(_source, address(this), _tradeAmount);

    _validateBorrowAfter(_borrower);
    _validateMaxSupplyLimitAfter(_tradeAsset);

    emit SupplyCollateral(_tradeAsset, _source, _borrower, _tradeAmount, collateralShare, true);
    emit Borrow(_asset, _borrower, _recipient, _amount, debtShare);
  }

  /**
   * @notice Harvest protocol fees generated from an asset
   * @param _asset address of an asset to harvest fees from
   * @param _receiver address that will receive fees
   */
  function _harvestProtocolFees(address _asset, address _receiver) internal returns (uint256 harvestedFees) {
    _checkWithdrawPaused(_asset);
    _accrueInterest(_asset);

    AssetInterestData storage data = _interestData[_asset];

    harvestedFees = data.protocolFees - data.harvestedProtocolFees;

    uint256 currentLiquidity = liquidity(_asset);

    if (harvestedFees > currentLiquidity) {
      harvestedFees = currentLiquidity;
    }

    if (harvestedFees == 0) {
      return 0;
    }

    unchecked {
      // This can't overflow because this addition is less than or equal to data.protocolFees
      data.harvestedProtocolFees += harvestedFees;
    }

    ERC20(_asset).safeTransfer(_receiver, harvestedFees);

    emit HarvestProtocolFees(_asset, _receiver, harvestedFees);
  }

  /**
   * @notice Allows to liquidate user's positon
   * @param _user address of a user to liquidate
   * @param _withdrawal array of liquidate params for withdrawal
   * @param _repays array of liquidate params for repay
   * @param _flashReceiver address for liquidation callback
   * @param _flashReceiverData calldata for liquidation callback
   * @return receivedCollaterals array of received collaterals
   * @return shareAmountsToRepay array of required amount of debt to be repaid
   */
  function _liquidate(
    address _user,
    LiquidateParams[] memory _withdrawal,
    LiquidateParams[] memory _repays,
    ILiquidationReceiver _flashReceiver,
    bytes memory _flashReceiverData
  ) internal returns (LiquidateParams[] memory receivedCollaterals, LiquidateParams[] memory shareAmountsToRepay) {
    (uint256 cachedUserLTV, uint256 cachedLiquidationThreshold) = getUserLTV(_user);

    if (cachedUserLTV <= cachedLiquidationThreshold) {
      LiquidateParams[] memory emptyW = new LiquidateParams[](_withdrawal.length);
      LiquidateParams[] memory emptyR = new LiquidateParams[](_repays.length);
      return (emptyW, emptyR);
    }

    (receivedCollaterals, shareAmountsToRepay) = _liquidation(_withdrawal, _repays, _user, address(_flashReceiver));

    _flashReceiver.liquidationCallback(_user, receivedCollaterals, shareAmountsToRepay, _flashReceiverData);

    (uint256 userLTV, uint256 liquidationThreshold) = getUserLTV(_user);

    if (userLTV > liquidationThreshold) {
      if (
        (userLTV >= cachedUserLTV) || ((userLTV * cachedLiquidationThreshold) >= (cachedUserLTV * liquidationThreshold))
      ) {
        revert LiquidationNotSuccessful();
      }
    }
  }

  /**
   * @notice Allows to liquidate user's positon by the liquidator
   * @param _withdrawal array of liquidate params for withdrawal
   * @param _repays array of liquidate params for repay
   * @param _borrower address of a user to liquidate
   * @param _liquidator address of a liquidator
   * @return receivedCollaterals array of received collaterals
   * @return amountsToRepay array of required amount of debt to be repaid
   */
  function _liquidation(
    LiquidateParams[] memory _withdrawal,
    LiquidateParams[] memory _repays,
    address _borrower,
    address _liquidator
  ) internal returns (LiquidateParams[] memory receivedCollaterals, LiquidateParams[] memory amountsToRepay) {
    uint256 withdrawalLength = _withdrawal.length;
    receivedCollaterals = new LiquidateParams[](withdrawalLength);

    uint256 protocolLiquidationFee = repository.protocolLiquidationFee();

    for (uint256 i = 0; i < withdrawalLength; i++) {
      _accrueInterest(_withdrawal[i].asset);

      (uint256 withdrawnAmount, uint256 amountToTransfer,) =
        _withdrawAsset(_withdrawal[i].asset, _withdrawal[i].amount, _borrower, true, protocolLiquidationFee);

      ERC20(_withdrawal[i].asset).safeTransfer(_liquidator, amountToTransfer);

      receivedCollaterals[i].amount = withdrawnAmount;
      receivedCollaterals[i].asset = _withdrawal[i].asset;
    }

    uint256 repayLength = _repays.length;

    amountsToRepay = new LiquidateParams[](repayLength);

    for (uint256 i = 0; i < repayLength; i++) {
      AssetState storage _state = _assetState[_repays[i].asset];
      (uint256 amountToRepay,) = _calculateDebtAmountAndShare(_state, _borrower, _repays[i].amount);

      amountsToRepay[i].asset = _repays[i].asset;
      amountsToRepay[i].amount = amountToRepay;
    }
  }

  /**
   * @notice Function that allows to repay debt
   * @param _asset address of an asset
   * @param _borrower address that for which to repay
   * @param _repayer address from which asset will be received as repay
   * @param _amount amount of asset to borrow
   */
  function _repay(address _asset, address _borrower, address _repayer, uint256 _amount) internal {
    _checkSupplyPaused(_asset);
    _accrueInterest(_asset);

    AssetState storage _state = _assetState[_asset];

    (uint256 repayAmount, uint256 repayShare) = _calculateDebtAmountAndShare(_state, _borrower, _amount);

    if (repayShare == 0) revert ZeroRepay();

    ERC20(_asset).safeTransferFrom(_repayer, address(this), repayAmount);

    _state.debtToken.burn(_borrower, repayShare);
    _state.totalBorrowAmount -= repayAmount;

    emit Repay(_asset, _borrower, _repayer, repayAmount, repayShare);
  }

  /**
   * @notice Accrue interest for asset using interest rate model
   * @param _asset address of an asset
   * @return accruedInterest total accrued interest
   */
  function _accrueInterest(
    address _asset
  ) internal returns (uint256 accruedInterest) {
    AssetState storage _state = _assetState[_asset];
    AssetInterestData storage _assetInterestData = _interestData[_asset];

    if (_assetInterestData.interestTimestamp == block.timestamp) {
      return 0;
    }

    uint256 rcur = _getModel(_asset).getInterestRateAndUpdate(_asset);
    uint256 protocolShareFee = repository.protocolShareFee();

    uint256 totalBorrowAmountCached = _state.totalBorrowAmount;
    uint256 protocolFeesCached = _assetInterestData.protocolFees;
    uint256 newProtocolFees;
    uint256 protocolShare;
    uint256 depositorsShare;

    accruedInterest = totalBorrowAmountCached * rcur / SharedData._PRECISION_DECIMALS;

    unchecked {
      protocolShare = accruedInterest * protocolShareFee / SharedData._FEE_PRECISION_DECIMALS;
      newProtocolFees = protocolFeesCached + protocolShare;
      depositorsShare = accruedInterest - protocolShare;
    }

    // update state
    _state.totalBorrowAmount = totalBorrowAmountCached + accruedInterest;
    _state.totalDeposits = _state.totalDeposits + depositorsShare;
    _assetInterestData.protocolFees = newProtocolFees;
    _assetInterestData.interestTimestamp = block.timestamp;
  }

  /**
   * @notice Calculates amount for asset to repay
   * @param _state asset state
   * @param _borrower address of a borrower
   * @param _amount proposed amount to repay
   * @return amount amount of asset to repay
   * @return repayShare amount of debt tokens
   */
  function _calculateDebtAmountAndShare(
    AssetState storage _state,
    address _borrower,
    uint256 _amount
  ) internal view returns (uint256 amount, uint256 repayShare) {
    uint256 borrowerDebtBalance = _state.debtToken.balanceOf(_borrower);
    uint256 debtTokenTotalSupply = _state.debtToken.totalSupply();
    uint256 totalBorrowed = _state.totalBorrowAmount;
    uint256 maxAmount = borrowerDebtBalance.toAmountRoundUp(totalBorrowed, debtTokenTotalSupply);

    if (_amount >= maxAmount) {
      amount = maxAmount;
      repayShare = borrowerDebtBalance;
    } else {
      amount = _amount;
      repayShare = _amount.toShare(totalBorrowed, debtTokenTotalSupply);
    }
  }

  /**
   * @notice Get interest rate model for a given asset
   * @param _asset address of an asset
   * @return IInterestRateModel address of an interest rate model
   */
  function _getModel(
    address _asset
  ) internal view returns (IInterestRateModel) {
    return IInterestRateModel(repository.getInterestRateModel(address(this), _asset));
  }

  /**
   * @notice Generates metadata for utility tokens
   * @param _asset address of an asset
   * @return metadata metadata for utility tokens
   */
  function _generateMetadata(
    address _asset
  ) internal view returns (UtilityTokensMetadata memory metadata) {
    string memory assetSymbol = IERC20Metadata(_asset).symbol();

    metadata = UtilityTokensMetadata({
      collateralName: string.concat('Liquorice LP ', assetSymbol),
      collateralSymbol: string.concat('LLP', assetSymbol),
      lockedCollateralName: string.concat('Liquorice Locked Collateral ', assetSymbol),
      lockedCollateralSymbol: string.concat('LLC', assetSymbol),
      debtName: string.concat('Liquorice Debt ', assetSymbol),
      debtSymbol: string.concat('LD', assetSymbol)
    });
  }

  /**
   * @notice Get state for a matching collateral type
   * @param _asset address of an asset
   * @param _lockedCollateral type of collateral flag
   * @return assetTotalDeposits asset total deposits
   * @return collateralToken address of a collateral token
   * @return availableLiquidity available liquidity
   */
  function getWithdrawAssetData(
    address _asset,
    bool _lockedCollateral
  ) public view returns (uint256 assetTotalDeposits, ICollateralToken collateralToken, uint256 availableLiquidity) {
    AssetState storage _state = _assetState[_asset];

    if (_lockedCollateral) {
      assetTotalDeposits = _state.totalLockedDeposits;
      collateralToken = _state.lockedCollateralToken;
      availableLiquidity = assetTotalDeposits;
    } else {
      assetTotalDeposits = _state.totalDeposits;
      collateralToken = _state.collateralToken;
      availableLiquidity = liquidity(_asset);
    }
  }

  /**
   * @notice Verifies if user exceeded appropriate loan-to-value after borrowing action
   * @param _user address of a user
   */
  function _validateBorrowAfter(
    address _user
  ) private view {
    (address[] memory assets, AssetState[] memory assetsStates) = getAssetsWithState();

    (uint256 userLTV, uint256 maximumAllowedLTV) = Solvency.calculateLTVs(
      Solvency.SolvencyParams(repository, ILendingPool(address(this)), assets, assetsStates, _user),
      Solvency.TypeofLTV.MaximumLTV
    );

    if (userLTV > maximumAllowedLTV) revert MaximumLTVReached();
  }

  /**
   * @notice Verifies if maximum supply limit for an asset was exceeded
   * @param _asset address of an asset
   */
  function _validateMaxSupplyLimitAfter(
    address _asset
  ) private view {
    IPriceProvider priceProvider = repository.priceProvider();

    AssetState storage assetState = _assetState[_asset];
    uint256 allDeposits = assetState.totalDeposits + assetState.totalLockedDeposits;

    if (
      priceProvider.getPrice(_asset) * allDeposits / (10 ** IERC20Metadata(_asset).decimals())
        > repository.getMaxSupplyLimit(address(this), _asset)
    ) {
      revert MaxSupplyLimitExceeded();
    }
  }

  /**
   * @notice Verifies if user is allowlisted maker
   * @param _user address of a user
   */
  function _validateIsMaker(
    address _user
  ) private view {
    if (!IAllowListAuthentication(ISettlement(repository.settlement()).AUTHENTICATOR()).isMaker(_user)) {
      revert BorrowerNotMaker();
    }
  }

  /**
   * @notice Verifies if supply, withdraw or all action are paused
   * @param _asset address of an asset
   */
  function _checkPaused(
    address _asset
  ) private view {
    IRepository.PauseType pause = repository.getPauseStatus(address(this), _asset);
    if (
      pause == IRepository.PauseType.PAUSED || pause == IRepository.PauseType.SUPPLY_PAUSED
        || pause == IRepository.PauseType.WITHDRAW_PAUSED
    ) {
      revert ActionPaused();
    }
  }

  /**
   * @notice Verifies if supply action or all action are paused
   * @param _asset address of an asset
   */
  function _checkSupplyPaused(
    address _asset
  ) private view {
    IRepository.PauseType pause = repository.getPauseStatus(address(this), _asset);
    if (pause == IRepository.PauseType.PAUSED || pause == IRepository.PauseType.SUPPLY_PAUSED) {
      revert ActionPaused();
    }
  }

  /**
   * @notice Verifies if withdraw action or all action are paused
   * @param _asset address of an asset
   */
  function _checkWithdrawPaused(
    address _asset
  ) private view {
    IRepository.PauseType pause = repository.getPauseStatus(address(this), _asset);
    if (pause == IRepository.PauseType.PAUSED || pause == IRepository.PauseType.WITHDRAW_PAUSED) {
      revert ActionPaused();
    }
  }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.2.0) (token/ERC20/ERC20.sol)

pragma solidity ^0.8.20;

import {IERC20} from "./IERC20.sol";
import {IERC20Metadata} from "./extensions/IERC20Metadata.sol";
import {Context} from "../../utils/Context.sol";
import {IERC20Errors} from "../../interfaces/draft-IERC6093.sol";

/**
 * @dev Implementation of the {IERC20} interface.
 *
 * This implementation is agnostic to the way tokens are created. This means
 * that a supply mechanism has to be added in a derived contract using {_mint}.
 *
 * TIP: For a detailed writeup see our guide
 * https://forum.openzeppelin.com/t/how-to-implement-erc20-supply-mechanisms/226[How
 * to implement supply mechanisms].
 *
 * The default value of {decimals} is 18. To change this, you should override
 * this function so it returns a different value.
 *
 * We have followed general OpenZeppelin Contracts guidelines: functions revert
 * instead returning `false` on failure. This behavior is nonetheless
 * conventional and does not conflict with the expectations of ERC-20
 * applications.
 */
abstract contract ERC20 is Context, IERC20, IERC20Metadata, IERC20Errors {
    mapping(address account => uint256) private _balances;

    mapping(address account => mapping(address spender => uint256)) private _allowances;

    uint256 private _totalSupply;

    string private _name;
    string private _symbol;

    /**
     * @dev Sets the values for {name} and {symbol}.
     *
     * All two of these values are immutable: they can only be set once during
     * construction.
     */
    constructor(string memory name_, string memory symbol_) {
        _name = name_;
        _symbol = symbol_;
    }

    /**
     * @dev Returns the name of the token.
     */
    function name() public view virtual returns (string memory) {
        return _name;
    }

    /**
     * @dev Returns the symbol of the token, usually a shorter version of the
     * name.
     */
    function symbol() public view virtual returns (string memory) {
        return _symbol;
    }

    /**
     * @dev Returns the number of decimals used to get its user representation.
     * For example, if `decimals` equals `2`, a balance of `505` tokens should
     * be displayed to a user as `5.05` (`505 / 10 ** 2`).
     *
     * Tokens usually opt for a value of 18, imitating the relationship between
     * Ether and Wei. This is the default value returned by this function, unless
     * it's overridden.
     *
     * NOTE: This information is only used for _display_ purposes: it in
     * no way affects any of the arithmetic of the contract, including
     * {IERC20-balanceOf} and {IERC20-transfer}.
     */
    function decimals() public view virtual returns (uint8) {
        return 18;
    }

    /**
     * @dev See {IERC20-totalSupply}.
     */
    function totalSupply() public view virtual returns (uint256) {
        return _totalSupply;
    }

    /**
     * @dev See {IERC20-balanceOf}.
     */
    function balanceOf(address account) public view virtual returns (uint256) {
        return _balances[account];
    }

    /**
     * @dev See {IERC20-transfer}.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - the caller must have a balance of at least `value`.
     */
    function transfer(address to, uint256 value) public virtual returns (bool) {
        address owner = _msgSender();
        _transfer(owner, to, value);
        return true;
    }

    /**
     * @dev See {IERC20-allowance}.
     */
    function allowance(address owner, address spender) public view virtual returns (uint256) {
        return _allowances[owner][spender];
    }

    /**
     * @dev See {IERC20-approve}.
     *
     * NOTE: If `value` is the maximum `uint256`, the allowance is not updated on
     * `transferFrom`. This is semantically equivalent to an infinite approval.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function approve(address spender, uint256 value) public virtual returns (bool) {
        address owner = _msgSender();
        _approve(owner, spender, value);
        return true;
    }

    /**
     * @dev See {IERC20-transferFrom}.
     *
     * Skips emitting an {Approval} event indicating an allowance update. This is not
     * required by the ERC. See {xref-ERC20-_approve-address-address-uint256-bool-}[_approve].
     *
     * NOTE: Does not update the allowance if the current allowance
     * is the maximum `uint256`.
     *
     * Requirements:
     *
     * - `from` and `to` cannot be the zero address.
     * - `from` must have a balance of at least `value`.
     * - the caller must have allowance for ``from``'s tokens of at least
     * `value`.
     */
    function transferFrom(address from, address to, uint256 value) public virtual returns (bool) {
        address spender = _msgSender();
        _spendAllowance(from, spender, value);
        _transfer(from, to, value);
        return true;
    }

    /**
     * @dev Moves a `value` amount of tokens from `from` to `to`.
     *
     * This internal function is equivalent to {transfer}, and can be used to
     * e.g. implement automatic token fees, slashing mechanisms, etc.
     *
     * Emits a {Transfer} event.
     *
     * NOTE: This function is not virtual, {_update} should be overridden instead.
     */
    function _transfer(address from, address to, uint256 value) internal {
        if (from == address(0)) {
            revert ERC20InvalidSender(address(0));
        }
        if (to == address(0)) {
            revert ERC20InvalidReceiver(address(0));
        }
        _update(from, to, value);
    }

    /**
     * @dev Transfers a `value` amount of tokens from `from` to `to`, or alternatively mints (or burns) if `from`
     * (or `to`) is the zero address. All customizations to transfers, mints, and burns should be done by overriding
     * this function.
     *
     * Emits a {Transfer} event.
     */
    function _update(address from, address to, uint256 value) internal virtual {
        if (from == address(0)) {
            // Overflow check required: The rest of the code assumes that totalSupply never overflows
            _totalSupply += value;
        } else {
            uint256 fromBalance = _balances[from];
            if (fromBalance < value) {
                revert ERC20InsufficientBalance(from, fromBalance, value);
            }
            unchecked {
                // Overflow not possible: value <= fromBalance <= totalSupply.
                _balances[from] = fromBalance - value;
            }
        }

        if (to == address(0)) {
            unchecked {
                // Overflow not possible: value <= totalSupply or value <= fromBalance <= totalSupply.
                _totalSupply -= value;
            }
        } else {
            unchecked {
                // Overflow not possible: balance + value is at most totalSupply, which we know fits into a uint256.
                _balances[to] += value;
            }
        }

        emit Transfer(from, to, value);
    }

    /**
     * @dev Creates a `value` amount of tokens and assigns them to `account`, by transferring it from address(0).
     * Relies on the `_update` mechanism
     *
     * Emits a {Transfer} event with `from` set to the zero address.
     *
     * NOTE: This function is not virtual, {_update} should be overridden instead.
     */
    function _mint(address account, uint256 value) internal {
        if (account == address(0)) {
            revert ERC20InvalidReceiver(address(0));
        }
        _update(address(0), account, value);
    }

    /**
     * @dev Destroys a `value` amount of tokens from `account`, lowering the total supply.
     * Relies on the `_update` mechanism.
     *
     * Emits a {Transfer} event with `to` set to the zero address.
     *
     * NOTE: This function is not virtual, {_update} should be overridden instead
     */
    function _burn(address account, uint256 value) internal {
        if (account == address(0)) {
            revert ERC20InvalidSender(address(0));
        }
        _update(account, address(0), value);
    }

    /**
     * @dev Sets `value` as the allowance of `spender` over the `owner` s tokens.
     *
     * This internal function is equivalent to `approve`, and can be used to
     * e.g. set automatic allowances for certain subsystems, etc.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `owner` cannot be the zero address.
     * - `spender` cannot be the zero address.
     *
     * Overrides to this logic should be done to the variant with an additional `bool emitEvent` argument.
     */
    function _approve(address owner, address spender, uint256 value) internal {
        _approve(owner, spender, value, true);
    }

    /**
     * @dev Variant of {_approve} with an optional flag to enable or disable the {Approval} event.
     *
     * By default (when calling {_approve}) the flag is set to true. On the other hand, approval changes made by
     * `_spendAllowance` during the `transferFrom` operation set the flag to false. This saves gas by not emitting any
     * `Approval` event during `transferFrom` operations.
     *
     * Anyone who wishes to continue emitting `Approval` events on the`transferFrom` operation can force the flag to
     * true using the following override:
     *
     * ```solidity
     * function _approve(address owner, address spender, uint256 value, bool) internal virtual override {
     *     super._approve(owner, spender, value, true);
     * }
     * ```
     *
     * Requirements are the same as {_approve}.
     */
    function _approve(address owner, address spender, uint256 value, bool emitEvent) internal virtual {
        if (owner == address(0)) {
            revert ERC20InvalidApprover(address(0));
        }
        if (spender == address(0)) {
            revert ERC20InvalidSpender(address(0));
        }
        _allowances[owner][spender] = value;
        if (emitEvent) {
            emit Approval(owner, spender, value);
        }
    }

    /**
     * @dev Updates `owner` s allowance for `spender` based on spent `value`.
     *
     * Does not update the allowance value in case of infinite allowance.
     * Revert if not enough allowance is available.
     *
     * Does not emit an {Approval} event.
     */
    function _spendAllowance(address owner, address spender, uint256 value) internal virtual {
        uint256 currentAllowance = allowance(owner, spender);
        if (currentAllowance < type(uint256).max) {
            if (currentAllowance < value) {
                revert ERC20InsufficientAllowance(spender, currentAllowance, value);
            }
            unchecked {
                _approve(owner, spender, currentAllowance - value, false);
            }
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (utils/ReentrancyGuard.sol)

pragma solidity ^0.8.20;

/**
 * @dev Contract module that helps prevent reentrant calls to a function.
 *
 * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier
 * available, which can be applied to functions to make sure there are no nested
 * (reentrant) calls to them.
 *
 * Note that because there is a single `nonReentrant` guard, functions marked as
 * `nonReentrant` may not call one another. This can be worked around by making
 * those functions `private`, and then adding `external` `nonReentrant` entry
 * points to them.
 *
 * TIP: If EIP-1153 (transient storage) is available on the chain you're deploying at,
 * consider using {ReentrancyGuardTransient} instead.
 *
 * TIP: If you would like to learn more about reentrancy and alternative ways
 * to protect against it, check out our blog post
 * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
 */
abstract contract ReentrancyGuard {
    // Booleans are more expensive than uint256 or any type that takes up a full
    // word because each write operation emits an extra SLOAD to first read the
    // slot's contents, replace the bits taken up by the boolean, and then write
    // back. This is the compiler's defense against contract upgrades and
    // pointer aliasing, and it cannot be disabled.

    // The values being non-zero value makes deployment a bit more expensive,
    // but in exchange the refund on every call to nonReentrant will be lower in
    // amount. Since refunds are capped to a percentage of the total
    // transaction's gas, it is best to keep them low in cases like this one, to
    // increase the likelihood of the full refund coming into effect.
    uint256 private constant NOT_ENTERED = 1;
    uint256 private constant ENTERED = 2;

    uint256 private _status;

    /**
     * @dev Unauthorized reentrant call.
     */
    error ReentrancyGuardReentrantCall();

    constructor() {
        _status = NOT_ENTERED;
    }

    /**
     * @dev Prevents a contract from calling itself, directly or indirectly.
     * Calling a `nonReentrant` function from another `nonReentrant`
     * function is not supported. It is possible to prevent this from happening
     * by making the `nonReentrant` function external, and making it call a
     * `private` function that does the actual work.
     */
    modifier nonReentrant() {
        _nonReentrantBefore();
        _;
        _nonReentrantAfter();
    }

    function _nonReentrantBefore() private {
        // On the first call to nonReentrant, _status will be NOT_ENTERED
        if (_status == ENTERED) {
            revert ReentrancyGuardReentrantCall();
        }

        // Any calls to nonReentrant after this point will fail
        _status = ENTERED;
    }

    function _nonReentrantAfter() private {
        // By storing the original value once again, a refund is triggered (see
        // https://eips.ethereum.org/EIPS/eip-2200)
        _status = NOT_ENTERED;
    }

    /**
     * @dev Returns true if the reentrancy guard is currently set to "entered", which indicates there is a
     * `nonReentrant` function in the call stack.
     */
    function _reentrancyGuardEntered() internal view returns (bool) {
        return _status == ENTERED;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (token/ERC20/extensions/IERC20Metadata.sol)

pragma solidity ^0.8.20;

import {IERC20} from "../IERC20.sol";

/**
 * @dev Interface for the optional metadata functions from the ERC-20 standard.
 */
interface IERC20Metadata is IERC20 {
    /**
     * @dev Returns the name of the token.
     */
    function name() external view returns (string memory);

    /**
     * @dev Returns the symbol of the token.
     */
    function symbol() external view returns (string memory);

    /**
     * @dev Returns the decimals places of the token.
     */
    function decimals() external view returns (uint8);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.2.0) (token/ERC20/utils/SafeERC20.sol)

pragma solidity ^0.8.20;

import {IERC20} from "../IERC20.sol";
import {IERC1363} from "../../../interfaces/IERC1363.sol";

/**
 * @title SafeERC20
 * @dev Wrappers around ERC-20 operations that throw on failure (when the token
 * contract returns false). Tokens that return no value (and instead revert or
 * throw on failure) are also supported, non-reverting calls are assumed to be
 * successful.
 * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,
 * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
 */
library SafeERC20 {
    /**
     * @dev An operation with an ERC-20 token failed.
     */
    error SafeERC20FailedOperation(address token);

    /**
     * @dev Indicates a failed `decreaseAllowance` request.
     */
    error SafeERC20FailedDecreaseAllowance(address spender, uint256 currentAllowance, uint256 requestedDecrease);

    /**
     * @dev Transfer `value` amount of `token` from the calling contract to `to`. If `token` returns no value,
     * non-reverting calls are assumed to be successful.
     */
    function safeTransfer(IERC20 token, address to, uint256 value) internal {
        _callOptionalReturn(token, abi.encodeCall(token.transfer, (to, value)));
    }

    /**
     * @dev Transfer `value` amount of `token` from `from` to `to`, spending the approval given by `from` to the
     * calling contract. If `token` returns no value, non-reverting calls are assumed to be successful.
     */
    function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {
        _callOptionalReturn(token, abi.encodeCall(token.transferFrom, (from, to, value)));
    }

    /**
     * @dev Variant of {safeTransfer} that returns a bool instead of reverting if the operation is not successful.
     */
    function trySafeTransfer(IERC20 token, address to, uint256 value) internal returns (bool) {
        return _callOptionalReturnBool(token, abi.encodeCall(token.transfer, (to, value)));
    }

    /**
     * @dev Variant of {safeTransferFrom} that returns a bool instead of reverting if the operation is not successful.
     */
    function trySafeTransferFrom(IERC20 token, address from, address to, uint256 value) internal returns (bool) {
        return _callOptionalReturnBool(token, abi.encodeCall(token.transferFrom, (from, to, value)));
    }

    /**
     * @dev Increase the calling contract's allowance toward `spender` by `value`. If `token` returns no value,
     * non-reverting calls are assumed to be successful.
     *
     * IMPORTANT: If the token implements ERC-7674 (ERC-20 with temporary allowance), and if the "client"
     * smart contract uses ERC-7674 to set temporary allowances, then the "client" smart contract should avoid using
     * this function. Performing a {safeIncreaseAllowance} or {safeDecreaseAllowance} operation on a token contract
     * that has a non-zero temporary allowance (for that particular owner-spender) will result in unexpected behavior.
     */
    function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {
        uint256 oldAllowance = token.allowance(address(this), spender);
        forceApprove(token, spender, oldAllowance + value);
    }

    /**
     * @dev Decrease the calling contract's allowance toward `spender` by `requestedDecrease`. If `token` returns no
     * value, non-reverting calls are assumed to be successful.
     *
     * IMPORTANT: If the token implements ERC-7674 (ERC-20 with temporary allowance), and if the "client"
     * smart contract uses ERC-7674 to set temporary allowances, then the "client" smart contract should avoid using
     * this function. Performing a {safeIncreaseAllowance} or {safeDecreaseAllowance} operation on a token contract
     * that has a non-zero temporary allowance (for that particular owner-spender) will result in unexpected behavior.
     */
    function safeDecreaseAllowance(IERC20 token, address spender, uint256 requestedDecrease) internal {
        unchecked {
            uint256 currentAllowance = token.allowance(address(this), spender);
            if (currentAllowance < requestedDecrease) {
                revert SafeERC20FailedDecreaseAllowance(spender, currentAllowance, requestedDecrease);
            }
            forceApprove(token, spender, currentAllowance - requestedDecrease);
        }
    }

    /**
     * @dev Set the calling contract's allowance toward `spender` to `value`. If `token` returns no value,
     * non-reverting calls are assumed to be successful. Meant to be used with tokens that require the approval
     * to be set to zero before setting it to a non-zero value, such as USDT.
     *
     * NOTE: If the token implements ERC-7674, this function will not modify any temporary allowance. This function
     * only sets the "standard" allowance. Any temporary allowance will remain active, in addition to the value being
     * set here.
     */
    function forceApprove(IERC20 token, address spender, uint256 value) internal {
        bytes memory approvalCall = abi.encodeCall(token.approve, (spender, value));

        if (!_callOptionalReturnBool(token, approvalCall)) {
            _callOptionalReturn(token, abi.encodeCall(token.approve, (spender, 0)));
            _callOptionalReturn(token, approvalCall);
        }
    }

    /**
     * @dev Performs an {ERC1363} transferAndCall, with a fallback to the simple {ERC20} transfer if the target has no
     * code. This can be used to implement an {ERC721}-like safe transfer that rely on {ERC1363} checks when
     * targeting contracts.
     *
     * Reverts if the returned value is other than `true`.
     */
    function transferAndCallRelaxed(IERC1363 token, address to, uint256 value, bytes memory data) internal {
        if (to.code.length == 0) {
            safeTransfer(token, to, value);
        } else if (!token.transferAndCall(to, value, data)) {
            revert SafeERC20FailedOperation(address(token));
        }
    }

    /**
     * @dev Performs an {ERC1363} transferFromAndCall, with a fallback to the simple {ERC20} transferFrom if the target
     * has no code. This can be used to implement an {ERC721}-like safe transfer that rely on {ERC1363} checks when
     * targeting contracts.
     *
     * Reverts if the returned value is other than `true`.
     */
    function transferFromAndCallRelaxed(
        IERC1363 token,
        address from,
        address to,
        uint256 value,
        bytes memory data
    ) internal {
        if (to.code.length == 0) {
            safeTransferFrom(token, from, to, value);
        } else if (!token.transferFromAndCall(from, to, value, data)) {
            revert SafeERC20FailedOperation(address(token));
        }
    }

    /**
     * @dev Performs an {ERC1363} approveAndCall, with a fallback to the simple {ERC20} approve if the target has no
     * code. This can be used to implement an {ERC721}-like safe transfer that rely on {ERC1363} checks when
     * targeting contracts.
     *
     * NOTE: When the recipient address (`to`) has no code (i.e. is an EOA), this function behaves as {forceApprove}.
     * Opposedly, when the recipient address (`to`) has code, this function only attempts to call {ERC1363-approveAndCall}
     * once without retrying, and relies on the returned value to be true.
     *
     * Reverts if the returned value is other than `true`.
     */
    function approveAndCallRelaxed(IERC1363 token, address to, uint256 value, bytes memory data) internal {
        if (to.code.length == 0) {
            forceApprove(token, to, value);
        } else if (!token.approveAndCall(to, value, data)) {
            revert SafeERC20FailedOperation(address(token));
        }
    }

    /**
     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
     * on the return value: the return value is optional (but if data is returned, it must not be false).
     * @param token The token targeted by the call.
     * @param data The call data (encoded using abi.encode or one of its variants).
     *
     * This is a variant of {_callOptionalReturnBool} that reverts if call fails to meet the requirements.
     */
    function _callOptionalReturn(IERC20 token, bytes memory data) private {
        uint256 returnSize;
        uint256 returnValue;
        assembly ("memory-safe") {
            let success := call(gas(), token, 0, add(data, 0x20), mload(data), 0, 0x20)
            // bubble errors
            if iszero(success) {
                let ptr := mload(0x40)
                returndatacopy(ptr, 0, returndatasize())
                revert(ptr, returndatasize())
            }
            returnSize := returndatasize()
            returnValue := mload(0)
        }

        if (returnSize == 0 ? address(token).code.length == 0 : returnValue != 1) {
            revert SafeERC20FailedOperation(address(token));
        }
    }

    /**
     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
     * on the return value: the return value is optional (but if data is returned, it must not be false).
     * @param token The token targeted by the call.
     * @param data The call data (encoded using abi.encode or one of its variants).
     *
     * This is a variant of {_callOptionalReturn} that silently catches all reverts and returns a bool instead.
     */
    function _callOptionalReturnBool(IERC20 token, bytes memory data) private returns (bool) {
        bool success;
        uint256 returnSize;
        uint256 returnValue;
        assembly ("memory-safe") {
            success := call(gas(), token, 0, add(data, 0x20), mload(data), 0, 0x20)
            returnSize := returndatasize()
            returnValue := mload(0)
        }
        return success && (returnSize == 0 ? address(token).code.length > 0 : returnValue == 1);
    }
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.23;

/**
 * @title SharedData
 * @dev Library for storing shared constants used across contracts
 */
library SharedData {
  /// @notice Precision decimals used for calculations
  uint256 internal constant _PRECISION_DECIMALS = 1e18;

  /// @notice Precision decimals used for fees
  uint256 internal constant _FEE_PRECISION_DECIMALS = 100_000; // 100%
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.23;

import {Math} from '@openzeppelin/contracts/utils/math/Math.sol';

/**
 * @title SharesMath
 * @dev Library for performing calculations related to shares and amounts
 */
library SharesMath {
  using Math for uint256;

  uint256 internal constant _DECIMALS_OFFSET = 3;

  /// @dev This is a constant version of openzeppelin/contracts/token/ERC20/extensions/ERC4626._decimalsOffset
  uint256 internal constant _DECIMALS_OFFSET_POW = 10 ** _DECIMALS_OFFSET;

  error ZeroAssets();
  error ZeroShares();

  /**
   * @notice Converts an amount to shares
   * @param amount Amount to convert
   * @param totalAmount Total amount of assets
   * @param totalShares Total number of shares
   * @return result Equivalent number of shares
   */
  function toShare(uint256 amount, uint256 totalAmount, uint256 totalShares) internal pure returns (uint256 result) {
    result = amount.mulDiv(totalShares + _DECIMALS_OFFSET_POW, totalAmount + 1, Math.Rounding.Floor);
  }

  /**
   * @notice Converts an amount to shares, rounding up
   * @param amount Amount to convert
   * @param totalAmount Total amount of assets
   * @param totalShares Total number of shares
   * @return result Equivalent number of shares, rounded up
   */
  function toShareRoundUp(
    uint256 amount,
    uint256 totalAmount,
    uint256 totalShares
  ) internal pure returns (uint256 result) {
    result = amount.mulDiv(totalShares + _DECIMALS_OFFSET_POW, totalAmount + 1, Math.Rounding.Ceil);
  }

  /**
   * @notice Converts shares to an amount
   * @param share Number of shares to convert
   * @param totalAmount Total amount of assets
   * @param totalShares Total number of shares
   * @return result Equivalent amount of assets
   */
  function toAmount(uint256 share, uint256 totalAmount, uint256 totalShares) internal pure returns (uint256 result) {
    result = share.mulDiv(totalAmount + 1, totalShares + _DECIMALS_OFFSET_POW, Math.Rounding.Floor);
  }

  /**
   * @notice Converts shares to an amount, rounding up
   * @param share Number of shares to convert
   * @param totalAmount Total amount of assets
   * @param totalShares Total number of shares
   * @return result Equivalent amount of assets, rounded up
   */
  function toAmountRoundUp(
    uint256 share,
    uint256 totalAmount,
    uint256 totalShares
  ) internal pure returns (uint256 result) {
    result = share.mulDiv(totalAmount + 1, totalShares + _DECIMALS_OFFSET_POW, Math.Rounding.Ceil);
  }

  /**
   * @notice Converts an asset amount to its value based on price and decimals
   * @param _assetAmount Amount of the asset
   * @param _assetPrice Price of the asset
   * @param _assetDecimals Number of decimals the asset uses
   * @return value Value of the asset amount
   */
  function toValue(
    uint256 _assetAmount,
    uint256 _assetPrice,
    uint256 _assetDecimals
  ) internal pure returns (uint256 value) {
    value = _assetAmount * _assetPrice;
    // Power of 10 can not be 0, so we can uncheck
    unchecked {
      value /= 10 ** _assetDecimals;
    }
  }

  /**
   * @notice Converts a value to an asset amount based on price and decimals
   * @param value Value to convert
   * @param price Price of the asset
   * @param decimals Number of decimals the asset uses
   * @return amount Equivalent amount of the asset
   */
  function fromValueToAmount(uint256 value, uint256 price, uint8 decimals) internal pure returns (uint256 amount) {
    amount = Math.mulDiv(value, 10 ** uint256(decimals), price, Math.Rounding.Floor);
  }

  /**
   * @notice Sums an array of numbers
   * @param _numbers Array of numbers to sum
   * @return s Sum of the numbers
   */
  function sum(
    uint256[] memory _numbers
  ) internal pure returns (uint256 s) {
    for (uint256 i; i < _numbers.length;) {
      s += _numbers[i];
      unchecked {
        i++;
      }
    }
  }

  /**
   * @notice Calculates the utilization of an asset
   * @param _dp Decimal precision
   * @param _totalDeposits Total deposits of the asset
   * @param _totalBorrowAmount Total borrowed amount of the asset
   * @return Utilization rate of the asset
   */
  function calculateUtilization(
    uint256 _dp,
    uint256 _totalDeposits,
    uint256 _totalBorrowAmount
  ) internal pure returns (uint256) {
    if (_totalDeposits == 0 || _totalBorrowAmount == 0) return 0;

    return _totalBorrowAmount * _dp / _totalDeposits;
  }
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.23;

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

import {SharedData} from './SharedData.sol';
import {SharesMath} from './SharesMath.sol';
import {IInterestRateModel} from 'interfaces/IInterestRateModel.sol';
import {ILendingPool} from 'interfaces/ILendingPool.sol';
import {IPriceProvider} from 'interfaces/IPriceProvider.sol';
import {IRepository} from 'interfaces/IRepository.sol';

library Solvency {
  using SharesMath for uint256;

  enum TypeofLTV {
    MaximumLTV,
    LiquidationThreshold
  }

  struct SolvencyParams {
    IRepository repository;
    ILendingPool lendingPool;
    address[] assets;
    ILendingPool.AssetState[] assetStates;
    address user;
  }

  uint256 internal constant _INFINITY = type(uint256).max;

  error DifferentArrayLength();
  error UnsupportedLTVType();

  /**
   * @notice Calculates the current user's Loan-to-Value (LTV) and a secondary LTV based on the specified type
   * @param _params Struct containing repository, lending pool, assets, asset states, and user address
   * @param _secondLtvType Type of LTV to calculate (MaximumLTV or LiquidationThreshold)
   * @return currentUserLTV Current LTV of the user
   * @return secondLTV Secondary LTV based on the specified type
   */
  function calculateLTVs(
    SolvencyParams memory _params,
    TypeofLTV _secondLtvType
  ) internal view returns (uint256 currentUserLTV, uint256 secondLTV) {
    uint256[] memory totalBorrowAmounts = getBorrowAmounts(_params);

    // this return avoids eg. additional checks on withdraw, when user did not borrow any asset
    if (SharesMath.sum(totalBorrowAmounts) == 0) return (0, 0);

    IPriceProvider priceProviderRepository = _params.repository.priceProvider();

    uint256[] memory borrowValues = convertAmountsToValues(priceProviderRepository, _params.assets, totalBorrowAmounts);

    // value of user's total debt
    uint256 borrowTotalValue = SharesMath.sum(borrowValues);

    if (borrowTotalValue == 0) return (0, 0);

    uint256[] memory collateralValues = getUserCollateralValues(priceProviderRepository, _params);

    // value of user's collateral
    uint256 collateralTotalValue = SharesMath.sum(collateralValues);

    if (collateralTotalValue == 0) return (_INFINITY, 0);

    // value of theoretical debt user can have depending on TypeofLTV
    uint256 borrowAvailableTotalValue = _getTotalAvailableToBorrowValue(
      _params.repository, address(_params.lendingPool), _params.assets, _secondLtvType, collateralValues
    );

    currentUserLTV = borrowTotalValue * SharedData._PRECISION_DECIMALS / collateralTotalValue;

    // one of Solvency.TypeofLTV
    secondLTV = borrowAvailableTotalValue * SharedData._PRECISION_DECIMALS / collateralTotalValue;
  }

  /**
   * @notice Retrieves the collateral values for a user
   * @param _priceProvidersRepository Price provider repository
   * @param _params Struct containing repository, lending pool, assets, asset states, and user address
   * @return collateralValues Array of collateral values for each asset
   */
  function getUserCollateralValues(
    IPriceProvider _priceProvidersRepository,
    SolvencyParams memory _params
  ) internal view returns (uint256[] memory collateralValues) {
    uint256[] memory collateralAmounts = getCollateralAmounts(_params);
    collateralValues = convertAmountsToValues(_priceProvidersRepository, _params.assets, collateralAmounts);
  }

  /**
   * @notice Converts asset amounts to their respective values using current prices
   * @param _priceProviderRepo Price provider repository
   * @param _assets Array of asset addresses
   * @param _amounts Array of asset amounts
   * @return values Array of asset values
   */
  function convertAmountsToValues(
    IPriceProvider _priceProviderRepo,
    address[] memory _assets,
    uint256[] memory _amounts
  ) internal view returns (uint256[] memory values) {
    if (_assets.length != _amounts.length) revert DifferentArrayLength();

    values = new uint256[](_assets.length);

    for (uint256 i = 0; i < _assets.length; i++) {
      if (_amounts[i] == 0) continue;

      uint256 assetPrice = _priceProviderRepo.getPrice(_assets[i]);
      uint8 assetDecimals = ERC20(_assets[i]).decimals();

      values[i] = _amounts[i].toValue(assetPrice, assetDecimals);
    }
  }

  /**
   * @notice Calculates the available borrow amount for a specific asset
   * @param _params Struct containing repository, lending pool, assets, asset states, and user address
   * @param _asset Asset address
   * @return availableBorrowAmount Available borrow amount for the asset
   */
  function getAvailableBorrowAmount(
    SolvencyParams memory _params,
    address _asset
  ) internal view returns (uint256 availableBorrowAmount) {
    uint256[] memory totalBorrowAmounts = getBorrowAmounts(_params);
    IPriceProvider priceProviderRepository = _params.repository.priceProvider();

    uint256[] memory borrowValues = convertAmountsToValues(priceProviderRepository, _params.assets, totalBorrowAmounts);
    uint256 borrowTotalValue = SharesMath.sum(borrowValues);

    uint256[] memory collateralValues = getUserCollateralValues(priceProviderRepository, _params);
    uint256 collateralTotalValue = SharesMath.sum(collateralValues);

    if (collateralTotalValue == 0) return 0;

    uint256 totalAvailableToBorrowValue = _getTotalAvailableToBorrowValue(
      _params.repository, address(_params.lendingPool), _params.assets, TypeofLTV.MaximumLTV, collateralValues
    );

    if (borrowTotalValue >= totalAvailableToBorrowValue) return 0;

    uint256 borrowableValue = totalAvailableToBorrowValue - borrowTotalValue;

    uint256 tokenPrice = priceProviderRepository.getPrice(_asset);
    uint8 tokenDecimals = ERC20(_asset).decimals();

    availableBorrowAmount = borrowableValue.fromValueToAmount(tokenPrice, tokenDecimals);
  }

  /**
   * @notice Calculates the available withdraw amount for a specific asset
   * @param _params Struct containing repository, lending pool, assets, asset states, and user address
   * @param _asset Asset address
   * @param _maxWithdrawAmount Maximum amount that can be withdrawn from asset
   * @return availableWithdrawAmount Available withdraw amount for the asset
   */
  function getAvailableWithdrawAmount(
    SolvencyParams memory _params,
    address _asset,
    uint256 _maxWithdrawAmount
  ) internal view returns (uint256 availableWithdrawAmount) {
    uint256[] memory totalBorrowAmounts = getBorrowAmounts(_params);
    IPriceProvider priceProviderRepository = _params.repository.priceProvider();

    uint256[] memory borrowValues = convertAmountsToValues(priceProviderRepository, _params.assets, totalBorrowAmounts);
    uint256 borrowTotalValue = SharesMath.sum(borrowValues);

    if (borrowTotalValue == 0) return _maxWithdrawAmount;

    uint256[] memory collateralValues = getUserCollateralValues(priceProviderRepository, _params);
    uint256 collateralTotalValue = SharesMath.sum(collateralValues);

    if (collateralTotalValue == 0) return 0;

    uint256 totalAvailableToBorrowValue = _getTotalAvailableToBorrowValue(
      _params.repository, address(_params.lendingPool), _params.assets, TypeofLTV.MaximumLTV, collateralValues
    );

    if (borrowTotalValue >= totalAvailableToBorrowValue) return 0;

    uint256 borrowableValue = totalAvailableToBorrowValue - borrowTotalValue;

    uint256 tokenPrice = priceProviderRepository.getPrice(_asset);
    uint8 tokenDecimals = ERC20(_asset).decimals();

    availableWithdrawAmount = borrowableValue.fromValueToAmount(tokenPrice, tokenDecimals);
  }

  /**
   * @notice Retrieves the collateral amounts for a user
   * @param _params Struct containing repository, lending pool, assets, asset states, and user address
   * @return collateralAmounts Array of collateral amounts for each asset
   */
  function getCollateralAmounts(
    SolvencyParams memory _params
  ) internal view returns (uint256[] memory collateralAmounts) {
    if (_params.assets.length != _params.assetStates.length) {
      revert DifferentArrayLength();
    }

    collateralAmounts = new uint256[](_params.assets.length);

    for (uint256 i = 0; i < _params.assets.length; i++) {
      uint256 userLockedCollateralTokenBalance = _params.assetStates[i].lockedCollateralToken.balanceOf(_params.user);

      if (userLockedCollateralTokenBalance == 0) continue;

      collateralAmounts[i] = getUserCollateralAmount(_params.assetStates[i], userLockedCollateralTokenBalance);
    }
  }

  /**
   * @notice Retrieves the total borrow amounts for a user
   * @param _params Struct containing repository, lending pool, assets, asset states, and user address
   * @return totalBorrowAmounts Array of total borrow amounts for each asset
   */
  function getBorrowAmounts(
    SolvencyParams memory _params
  ) internal view returns (uint256[] memory totalBorrowAmounts) {
    if (_params.assets.length != _params.assetStates.length) {
      revert DifferentArrayLength();
    }

    totalBorrowAmounts = new uint256[](_params.assets.length);

    for (uint256 i = 0; i < _params.assets.length; i++) {
      uint256 rcur = getRcur(_params.lendingPool, _params.repository, _params.assets[i]);
      totalBorrowAmounts[i] = getUserBorrowAmount(_params.assetStates[i], _params.user, rcur);
    }
  }

  /**
   * @notice Calculates the user's collateral amount for a specific asset
   * @param _assetStates Asset state information
   * @param _userLockedCollateralTokenBalance User's locked collateral token balance
   * @return assetLockedCollateralAmount User's total collateral amount for the asset
   */
  function getUserCollateralAmount(
    ILendingPool.AssetState memory _assetStates,
    uint256 _userLockedCollateralTokenBalance
  ) internal view returns (uint256 assetLockedCollateralAmount) {
    assetLockedCollateralAmount = _userLockedCollateralTokenBalance == 0
      ? 0
      : _userLockedCollateralTokenBalance.toAmount(
        _assetStates.totalLockedDeposits, _assetStates.lockedCollateralToken.totalSupply()
      );
  }

  /**
   * @notice Calculates the user's borrow amount for a specific asset
   * @param _assetStates Asset state information
   * @param _user User address
   * @param _rcur Current interest rate
   * @return User's total borrow amount for the asset
   */
  function getUserBorrowAmount(
    ILendingPool.AssetState memory _assetStates,
    address _user,
    uint256 _rcur
  ) internal view returns (uint256) {
    uint256 balance = _assetStates.debtToken.balanceOf(_user);
    if (balance == 0) return 0;

    uint256 totalBorrowAmountCached = totalBorrowAmountWithInterest(_assetStates.totalBorrowAmount, _rcur);
    return balance.toAmountRoundUp(totalBorrowAmountCached, _assetStates.debtToken.totalSupply());
  }

  /**
   * @notice Retrieves the current interest rate for a specific asset in a lending pool
   * @param _pool Lending pool interface
   * @param _repository Repository interface
   * @param _asset Asset address
   * @return rcur Current interest rate
   */
  function getRcur(ILendingPool _pool, IRepository _repository, address _asset) internal view returns (uint256 rcur) {
    IInterestRateModel model = _repository.getInterestRateModel(address(_pool), _asset);
    rcur = model.getCurrentInterestRate(address(_pool), _asset);
  }

  /**
   * @notice Calculates the liquidation fee and updates protocol earned fees
   * @param _protocolEarnedFees Current protocol earned fees
   * @param _amount Amount to calculate the fee on
   * @param _liquidationFee Liquidation fee percentage
   * @return liquidationFeeAmount Calculated liquidation fee amount
   * @return newProtocolEarnedFees Updated protocol earned fees
   */
  function calculateLiquidationFee(
    uint256 _protocolEarnedFees,
    uint256 _amount,
    uint256 _liquidationFee
  ) internal pure returns (uint256 liquidationFeeAmount, uint256 newProtocolEarnedFees) {
    unchecked {
      // If we overflow on multiplication it should not revert tx, we will get lower fees
      liquidationFeeAmount = _amount * _liquidationFee / SharedData._FEE_PRECISION_DECIMALS;

      if (_protocolEarnedFees > type(uint256).max - liquidationFeeAmount) {
        newProtocolEarnedFees = type(uint256).max;
        liquidationFeeAmount = type(uint256).max - _protocolEarnedFees;
      } else {
        newProtocolEarnedFees = _protocolEarnedFees + liquidationFeeAmount;
      }
    }
  }

  /**
   * @notice Calculates the total borrow amount with interest for an asset
   * @param _totalBorrowAmount Total borrow amount for the asset
   * @param _rcur Current interest rate
   * @return totalBorrowAmountWithInterests Total borrow amount with interest
   */
  function totalBorrowAmountWithInterest(
    uint256 _totalBorrowAmount,
    uint256 _rcur
  ) internal pure returns (uint256 totalBorrowAmountWithInterests) {
    totalBorrowAmountWithInterests = _totalBorrowAmount + _totalBorrowAmount * _rcur / SharedData._PRECISION_DECIMALS;
  }

  /**
   * @notice Calculates the available value to borrow for a specific asset
   * @param _repository Repository interface
   * @param _lendingPool Lending pool address
   * @param _asset Asset address
   * @param _type Type of LTV (MaximumLTV or LiquidationThreshold)
   * @param _collateralValue Collateral value for the asset
   * @return availableToBorrow Available value to borrow
   */
  function _getAvailableToBorrowValue(
    IRepository _repository,
    address _lendingPool,
    address _asset,
    TypeofLTV _type,
    uint256 _collateralValue
  ) private view returns (uint256 availableToBorrow) {
    uint256 assetLTV;

    if (_type == TypeofLTV.MaximumLTV) {
      assetLTV = _repository.getMaximumLTV(_lendingPool, _asset);
    } else if (_type == TypeofLTV.LiquidationThreshold) {
      assetLTV = _repository.getLiquidationThreshold(_lendingPool, _asset);
    } else {
      revert UnsupportedLTVType();
    }

    availableToBorrow = _collateralValue * assetLTV / SharedData._PRECISION_DECIMALS;
  }

  /**
   * @notice Calculates the total available value to borrow for all assets
   * @param _repository Repository interface
   * @param _lendingPool Lending pool address
   * @param _assets Array of asset addresses
   * @param _ltvType Type of LTV (MaximumLTV or LiquidationThreshold)
   * @param _collateralValues Array of collateral values for each asset
   * @return totalAvailableToBorrowValue Total available value to borrow
   * @dev Reverts if the lengths of _assets and _collateralValues do not match
   */
  function _getTotalAvailableToBorrowValue(
    IRepository _repository,
    address _lendingPool,
    address[] memory _assets,
    TypeofLTV _ltvType,
    uint256[] memory _collateralValues
  ) private view returns (uint256 totalAvailableToBorrowValue) {
    if (_assets.length != _collateralValues.length) revert DifferentArrayLength();

    for (uint256 i = 0; i < _assets.length; i++) {
      totalAvailableToBorrowValue +=
        _getAvailableToBorrowValue(_repository, _lendingPool, _assets[i], _ltvType, _collateralValues[i]);
    }
  }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.23;

import {IERC20Metadata} from '@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol';

/**
 * @title ICollateralToken
 * @notice Interface for collateral tokens that represent locked collateral in lending pools
 */
interface ICollateralToken is IERC20Metadata {
  /**
   * @notice Mints collateral tokens to an account
   * @param _account Address to mint tokens to
   * @param _amount Amount of tokens to mint
   */
  function mint(address _account, uint256 _amount) external;

  /**
   * @notice Burns collateral tokens from an account
   * @param _account Address to burn tokens from
   * @param _amount Amount of tokens to burn
   */
  function burn(address _account, uint256 _amount) external;
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.23;

/**
 * @title IInterestRateModel
 * @notice Interface for interest rate calculation and configuration
 */
interface IInterestRateModel {
  struct Config {
    int256 r0;
    int256 r1;
    int256 r2;
    uint256 ri;
    int256 uopt;
    uint256 rMax;
    uint256 rMin;
  }

  /**
   * @dev Set the current asset config.
   * @param _pool Address of the pool for which the config is set
   * @param _asset Address of the asset for which the config is set
   * @param _config Current config for this token
   */
  function setConfig(address _pool, address _asset, Config calldata _config) external;

  /**
   * @notice Gets and updates the current interest rate for an asset
   * @param _asset Address of the asset
   * @return rcur Current interest rate
   */
  function getInterestRateAndUpdate(
    address _asset
  ) external returns (uint256 rcur);

  /**
   * @notice Returns the current asset config. If no config is found, returns the default one.
   * @param _pool Address of the pool where the config is searched for
   * @param _asset Address of the asset
   * @return Current configuration parameters
   */
  function getConfig(address _pool, address _asset) external returns (Config memory);

  /**
   * @notice Gets the current interest rate for a pool's asset without updating state
   * @param _pool Address of the lending pool
   * @param _asset Address of the asset
   * @return rcur Current interest rate
   */
  function getCurrentInterestRate(address _pool, address _asset) external view returns (uint256 rcur);

  /**
   * @notice Returns the current APR for pool and asset
   * @param _pool Address of the lending pool
   * @param _asset Address of the asset
   * @return apr Current APR
   */
  function getCurrentAPR(address _pool, address _asset) external view returns (uint256 apr);

  /**
   * @dev Returns the current rate.
   * @param _c Current config for this token
   * @param _totalDeposits Total amount deposited for this asset
   * @param _totalBorrowAmount Total amount borrowed for this asset
   * @return Current interest rate
   */
  function calculateCurrentInterestRate(
    Config memory _c,
    uint256 _totalDeposits,
    uint256 _totalBorrowAmount
  ) external pure returns (uint256);

  /// @dev DP is 18 decimal points used for integer calculations
  // solhint-disable-next-line func-name-mixedcase
  function DP() external pure returns (uint256);

  /// @dev Number of seconds in a year
  // solhint-disable-next-line func-name-mixedcase
  function SECONDS_PER_YEAR() external pure returns (uint256);
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.23;

import {ICollateralToken} from 'interfaces/ICollateralToken.sol';
import {IDebtToken} from 'interfaces/IDebtToken.sol';

import {IRepository} from 'interfaces/IRepository.sol';
import {IUtilityTokensFactory} from 'interfaces/IUtilityTokensFactory.sol';

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

interface ILendingPool {
  struct AssetState {
    ICollateralToken collateralToken;
    ICollateralToken lockedCollateralToken;
    IDebtToken debtToken;
    uint256 totalDeposits;
    uint256 totalLockedDeposits;
    uint256 totalBorrowAmount;
  }

  struct UtilityTokensMetadata {
    string collateralName;
    string collateralSymbol;
    string lockedCollateralName;
    string lockedCollateralSymbol;
    string debtName;
    string debtSymbol;
  }

  struct AssetInterestData {
    uint256 protocolFees;
    uint256 harvestedProtocolFees;
    uint256 interestTimestamp;
  }

  struct AssetUtilizationData {
    uint256 totalDeposits;
    uint256 totalBorrowAmount;
    uint256 interestTimestamp;
  }

  struct LiquidateParams {
    uint256 amount;
    address asset;
  }

  function addAssets(IUtilityTokensFactory tokensFactory, address[] memory newAssets) external;

  /**
   * @notice Supplies asset as collateral with a given type
   * @param asset address of an asset
   * @param amount amount for asset
   * @param lockedCollateral collateral type flag
   */
  function supply(address asset, uint256 amount, bool lockedCollateral) external;

  /**
   * @notice Supplies asset as collateral with a given type on behalf of depositor
   * @param asset address of an asset
   * @param receiver address of collateral tokens receiver
   * @param amount amount for asset
   * @param lockedCollateral collateral type flag
   */
  function supplyFor(address asset, address receiver, uint256 amount, bool lockedCollateral) external;

  /**
   * @notice Withdraws asset from collateral with a given type
   * @param asset address of an asset
   * @param amount amount for asset
   * @param lockedCollateral collateral type flag
   */
  function withdraw(address asset, uint256 amount, bool lockedCollateral) external;

  /**
   * @notice Withdraws asset from collateral with a given type on behalf of depositor
   * @param asset address of an asset
   * @param depositor address of a depositor
   * @param receiver address of asset tokens receiver
   * @param amount amount for asset
   * @param lockedCollateral collateral type flag
   */
  function withdrawFor(
    address asset,
    address depositor,
    address receiver,
    uint256 amount,
    bool lockedCollateral
  ) external;

  /**
   * @notice Function for standard overcollateralized borrowing action
   * @param asset address of an asset
   * @param amount amount of asset to borrow
   */
  function borrow(address asset, uint256 amount) external;

  /**
   * @notice Function for standard overcollateralized borrowing action on behalf of borrower
   * @param asset address of an asset
   * @param borrower address that will receive debt tokens
   * @param receiver address that will receive borrowed tokens
   * @param amount amount of asset to borrow
   */
  function borrowFor(address asset, address borrower, address receiver, uint256 amount) external;

  /**
   * @notice Function that allows to borrow for a trade inside settlement
   * @param asset address of an asset
   * @param borrower address that will receive debt tokens
   * @param source address from which trade asset will be received
   * @param recipient address that will receive borrowed tokens
   * @param amount amount of asset to borrow
   * @param tradeAsset address of a trade asset
   * @param tradeAmount amount of a trade asset
   */
  function borrowFor(
    address asset,
    address borrower,
    address source,
    address recipient,
    uint256 amount,
    address tradeAsset,
    uint256 tradeAmount
  ) external;

  /**
   * @notice Converts collateral type from standard to locked and vice versa
   * @param asset address of an asset
   * @param amount amount for asset
   * @param fromLockedCollateral conversion collateral type flag
   */
  function convertCollateral(address asset, uint256 amount, bool fromLockedCollateral) external;

  /**
   * @notice Function that allows to repay debt
   * @param asset address of an asset
   * @param amount amount of asset to borrow
   */
  function repay(address asset, uint256 amount) external;

  /**
   * @notice Function that allows to repay debt on behalf of borrower
   * @param asset address of an asset
   * @param borrower address that for which to repay
   * @param amount amount of asset to borrow
   */
  function repayFor(address asset, address borrower, uint256 amount) external;

  /**
   * @notice Harvest protocol fees accross all assets
   * @return harvestedAmounts array of harvested amounts
   */
  function harvestProtocolFees() external returns (uint256[] memory harvestedAmounts);

  /**
   * @notice Allows to liquidate user's positon
   * @param _user address of a user to liquidate
   * @param _withdrawal array of liquidate params for withdrawal
   * @param _repay array of liquidate params for repay
   * @return receivedCollaterals array of received collaterals
   * @return shareAmountsToRepay array of required amount of debt to be repaid
   */
  function liquidate(
    address _user,
    LiquidateParams[] memory _withdrawal,
    LiquidateParams[] memory _repay,
    bytes memory _receiverData
  ) external returns (LiquidateParams[] memory receivedCollaterals, LiquidateParams[] memory shareAmountsToRepay);

  /**
   * @notice Rebalances depositor's collateral between assets using external swap connector
   * @param _fromAsset address of an asset to withdraw
   * @param _toAsset address of an asset to supply
   * @param _amount amount of asset to rebalance
   * @param _minReceiveQuantity minimum amount of asset to receive
   * @param _lockedCollateral collateral type flag
   * @param _isExactOutput is exact output flag
   */
  function rebalance(
    address _fromAsset,
    address _toAsset,
    uint256 _amount,
    uint256 _minReceiveQuantity,
    bool _lockedCollateral,
    bool _isExactOutput
  ) external;

  /**
   * @notice Accrues interest for a given asset
   * @param _asset address of an asset
   * @return accruedInterest amount of accrued interest
   */
  function accrueInterest(
    address _asset
  ) external returns (uint256 accruedInterest);

  /**
   * @notice Get utilization data of an asset
   * @param _asset address of an asset
   * @return data asset utilization data
   */
  function assetUtilizationData(
    address _asset
  ) external view returns (AssetUtilizationData memory data);

  /**
   * @notice Get repository
   * @return IRepository address of the repository
   */
  function repository() external view returns (IRepository);

  /**
   * @notice Get state of an asset
   * @param asset address of an asset
   * @return AssetState struct state of an asset
   */
  function getAssetState(
    address asset
  ) external view returns (AssetState memory);

  /**
   * @notice Get all assets with their state
   * @return assets array of assets addresses
   * @return assetsState array of state structs of assets
   */
  function getAssetsWithState() external view returns (address[] memory assets, AssetState[] memory assetsState);

  /**
   * @notice Calculates solvency of a user address
   * @param _user address of a user
   * @return true if solvent, false otherwise
   */
  function isSolvent(
    address _user
  ) external view returns (bool);

  /**
   * @notice Get interest data of an asset
   * @param _asset address of an asset
   * @return AssetInterestData struct of interest data
   */
  function interestData(
    address _asset
  ) external view returns (AssetInterestData memory);

  function getWithdrawAssetData(
    address _asset,
    bool _lockedCollateral
  ) external view returns (uint256 assetTotalDeposits, ICollateralToken collateralToken, uint256 availableLiquidity);
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.23;

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

interface ILiquidationReceiver {
  function liquidationCallback(
    address _user,
    ILendingPool.LiquidateParams[] calldata _receivedCollaterals,
    ILendingPool.LiquidateParams[] calldata _shareAmountsToRepaid,
    bytes memory _flashReceiverData
  ) external;
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.23;

interface IPriceProvider {
  function getPrice(
    address _asset
  ) external view returns (uint256 price);

  function assetSupported(
    address _asset
  ) external view returns (bool);

  function QUOTE_TOKEN() external view returns (address);
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.23;

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

import {IPriceProvider} from './IPriceProvider.sol';
import {IInterestRateModel} from 'interfaces/IInterestRateModel.sol';

interface IRepository is IACLManager {
  enum PauseType {
    /// @dev not paused status
    NOT_PAUSED,
    /// @dev all actions are paused
    PAUSED,
    /// @dev only action with supply of an asset are paused
    SUPPLY_PAUSED,
    /// @dev only action with withdrawal of an asset are paused
    WITHDRAW_PAUSED
  }

  struct Fees {
    uint64 entryFee;
    uint64 protocolShareFee;
    uint64 protocolLiquidationFee;
  }

  struct AssetConfig {
    IInterestRateModel interestRateModel;
    uint256 maxSupplyLimit;
    uint64 maxLoanToValue;
    uint64 liquidationThreshold;
  }

  /**
   * @notice Deploys new lending pool and adds assets to it
   * @param assets array of assets to add
   * @param configs array of configs for assets
   * @return createdPool deployed lending pool address
   */
  function newLendingPool(
    address[] calldata assets,
    IInterestRateModel.Config[] calldata configs
  ) external returns (address createdPool);

  /**
   * @notice Adds new assets to a lending pool
   * @param _lendingPool address of a lending pool
   * @param _assets array of assets to add
   * @param _configs array of configs for assets
   */
  function newAssets(
    address _lendingPool,
    address[] calldata _assets,
    IInterestRateModel.Config[] calldata _configs
  ) external;

  /**
   * @notice Set factory contract for deploying new lending pools
   * @param _newLendingPoolsFactory address of a new lending pools factory
   */
  function setLendingPoolsFactory(
    address _newLendingPoolsFactory
  ) external;

  /**
   * @notice Set factory contract for deploying new collateral, locked collateral and debt tokens
   * @param _newTokensFactory address of a new tokens factory
   */
  function setTokensFactory(
    address _newTokensFactory
  ) external;

  /**
   * @notice Set default interest rate model
   * @param _defaultInterestRateModel address of a new default interest rate model
   */
  function setDefaultInterestRateModel(
    IInterestRateModel _defaultInterestRateModel
  ) external;

  /**
   * @notice Set default maximum loan-to-value
   * @param _defaultMaxLoanToValue new default loan-to-value
   */
  function setDefaultMaxLoanToValue(
    uint64 _defaultMaxLoanToValue
  ) external;

  /**
   * @notice Set default liquidation threshold
   * @param _defaultLiquidationThreshold new default liquidation threshold
   */
  function setDefaultLiquidationThreshold(
    uint64 _defaultLiquidationThreshold
  ) external;

  /**
   * @notice Set default maximum supply limit in quote token
   * @param _defaulMaxSupplyLimit new default maximum supply limit
   */
  function setDefaultMaxSupplyLimit(
    uint256 _defaulMaxSupplyLimit
  ) external;

  /**
   * @notice Set default interest rate model for an asset in a lending pool
   * @param _lendingPool address of a lending pool
   * @param _asset address of an asset
   * @param _interestRateModel address of a new interest rate model
   */
  function setInterestRateModel(address _lendingPool, address _asset, IInterestRateModel _interestRateModel) external;

  /**
   * @notice Set maximum loan-to-value for an asset in a lending pool
   * @param _lendingPool address of a lending pool
   * @param _asset address of an asset
   * @param _maxLoanToValue new loan-to-value
   */
  function setMaxLoanToValue(address _lendingPool, address _asset, uint64 _maxLoanToValue) external;

  /**
   * @notice Set liquidation threshold for an asset in a lending pool
   * @param _lendingPool address of a lending pool
   * @param _asset address of an asset
   * @param _liquidationThreshold new liquidation threshold
   */
  function setLiquidationThreshold(address _lendingPool, address _asset, uint64 _liquidationThreshold) external;

  /**
   * @notice Set maximum supply limit in quote token for an asset in a lending pool
   * @param _lendingPool address of a lending pool
   * @param _asset address of an asset
   * @param _maxSupplyLimit new maximum supply limit in quote token
   */
  function setMaxSupplyLimit(address _lendingPool, address _asset, uint256 _maxSupplyLimit) external;

  /**
   * @notice Set protocol fees
   * @param _fees new protocol fees
   */
  function setFees(
    Fees calldata _fees
  ) external;

  /**
   * @notice Set swap connector
   * @param _newSwapConnector new swap connector
   */
  function setSwapConnector(
    address _newSwapConnector
  ) external;

  /**
   * @notice Set liquorice settlement contract
   * @param _settlement new liquorice settlement contract
   */
  function setSettlement(
    address _settlement
  ) external;

  /**
   * @notice Set price provider
   * @param _priceProvider new price provider
   */
  function setPriceProvider(
    IPriceProvider _priceProvider
  ) external;

  /**
   * @notice Set global limit of maximum supplied assets in quote token
   * @param _globalLimit new global limit value
   */
  function setGlobalSupplyLimit(
    bool _globalLimit
  ) external;

  /**
   * @notice Set global pause for lending pools interactions
   * @param _globalPause new global pause value
   */
  function setGlobalPause(
    bool _globalPause
  ) external;

  /**
   * @notice Set pause for specific lending pool's asset interactions
   * @param _lendingPool address of a lending pool
   * @param _asset address of an asset
   * @param _pauseType type of pause
   */
  function setPause(address _lendingPool, address _asset, PauseType _pauseType) external;

  /**
   * @notice Get address of the Liquorice Settlement contract
   * @return address of LiquoriceSettlement contract
   */
  function settlement() external view returns (address);

  /**
   * @notice Get address of default role admin
   * @return address of default role admin
   */
  function aclAdmin() external view returns (address);

  /**
   * @notice Get global supply limit flag value
   * @return bool global supply limit flag value
   */
  function globalSupplyLimit() external view returns (bool);

  /**
   * @notice Get global pause flag value
   * @return bool global pause flag value
   */
  function globalPause() external view returns (bool);

  /**
   * @notice Get interest rate model for specific lending pool and asset
   * @param _lendingPool address of a lending pool
   * @param _asset address of an asset
   * @return model address of interest rate model
   */
  function getInterestRateModel(address _lendingPool, address _asset) external view returns (IInterestRateModel model);

  /**
   * @notice Get maximum loan-to-value for specific lending pool and asset
   * @param _lendingPool address of a lending pool
   * @param _asset address of an asset
   * @return uint256 maximum loan-to-value
   */
  function getMaximumLTV(address _lendingPool, address _asset) external view returns (uint256);

  /**
   * @notice Get liquidation threshold for specific lending pool and asset
   * @param _lendingPool address of a lending pool
   * @param _asset address of an asset
   * @return uint256 liquidation threshold
   */
  function getLiquidationThreshold(address _lendingPool, address _asset) external view returns (uint256);

  /**
   * @notice Get maximum supply limit in quote token for specific lending pool and asset
   * @param _lendingPool address of a lending pool
   * @param _asset address of an asset
   * @return uint256 maximum supply limit in quote token
   */
  function getMaxSupplyLimit(address _lendingPool, address _asset) external view returns (uint256);

  /**
   * @notice Get pause status for specific lending pool and asset
   * @param _lendingPool address of a lending pool
   * @param _asset address of an asset
   * @return PauseType type of pause set
   */
  function getPauseStatus(address _lendingPool, address _asset) external view returns (PauseType);

  /**
   * @notice Get fee for entering the lending pool
   * @return uint256 entry fee
   */
  function entryFee() external view returns (uint256);

  /**
   * @notice Check if contract address is existing lending pool
   * @return true if address is lending pool, otherwise faulse
   */
  function isLendingPool(
    address _lendingPool
  ) external view returns (bool);

  /**
   * @notice Get PriceProvider contract
   * @return IPriceProvider address
   */
  function priceProvider() external view returns (IPriceProvider);

  /**
   * @notice Get protocol share fee value
   * @return uint256 protocol share fee
   */
  function protocolShareFee() external view returns (uint256);

  /**
   * @notice Get protocol liquidation fee value
   * @return uint256 protocol liquidation fee
   */
  function protocolLiquidationFee() external view returns (uint256);

  /**
   * @notice Get swap connector contract address
   * @return address of swap connector contract
   */
  function swapConnector() external view returns (address);
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.23;

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

interface ISettlement {
  function AUTHENTICATOR() external view returns (IAllowListAuthentication);
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.23;

interface ISwapConnector {
  function trade(
    address _receiver,
    address _fromToken,
    address _toToken,
    uint256 _amount,
    uint256 _minReceiveQuantity,
    bool _isExactOutput
  ) external returns (uint256);
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.23;

import {ICollateralToken} from './ICollateralToken.sol';
import {IDebtToken} from './IDebtToken.sol';

/**
 * @title IUtilityTokensFactory
 * @notice Interface for factory contract that creates collateral and debt tokens
 */
interface IUtilityTokensFactory {
  /**
   * @notice Emitted when a new collateral token is created
   * @param token Address of the newly created collateral token
   */
  event NewCollateralTokenCreated(address indexed token);

  /**
   * @notice Emitted when a new debt token is created
   * @param token Address of the newly created debt token
   */
  event NewDebtTokenCreated(address indexed token);

  /**
   * @notice Creates new collateral token for a lending pool
   * @param _name Name of collateral token
   * @param _symbol Symbol of collateral token
   * @param _lendingPool Address of lending pool contract
   * @param _asset Address of underlying asset
   * @param _lockedCollateral Collateral type flag
   * @return token Address of created collateral token
   */
  function createCollateralToken(
    string memory _name,
    string memory _symbol,
    address _lendingPool,
    address _asset,
    bool _lockedCollateral
  ) external returns (ICollateralToken);

  /**
   * @notice Creates new debt token for a lending pool
   * @param _name Name of debt token
   * @param _symbol Symbol of debt token
   * @param _lendingPool Address of lending pool contract
   * @param _asset Address of underlying asset
   * @return token Address of created debt token
   */
  function createDebtToken(
    string memory _name,
    string memory _symbol,
    address _lendingPool,
    address _asset
  ) external returns (IDebtToken);
}

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

pragma solidity ^0.8.20;

/**
 * @dev Interface of the ERC-20 standard as defined in the ERC.
 */
interface IERC20 {
    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

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

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

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

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

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.1) (utils/Context.sol)

pragma solidity ^0.8.20;

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

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

    function _contextSuffixLength() internal view virtual returns (uint256) {
        return 0;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (interfaces/draft-IERC6093.sol)
pragma solidity ^0.8.20;

/**
 * @dev Standard ERC-20 Errors
 * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC-20 tokens.
 */
interface IERC20Errors {
    /**
     * @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers.
     * @param sender Address whose tokens are being transferred.
     * @param balance Current balance for the interacting account.
     * @param needed Minimum amount required to perform a transfer.
     */
    error ERC20InsufficientBalance(address sender, uint256 balance, uint256 needed);

    /**
     * @dev Indicates a failure with the token `sender`. Used in transfers.
     * @param sender Address whose tokens are being transferred.
     */
    error ERC20InvalidSender(address sender);

    /**
     * @dev Indicates a failure with the token `receiver`. Used in transfers.
     * @param receiver Address to which tokens are being transferred.
     */
    error ERC20InvalidReceiver(address receiver);

    /**
     * @dev Indicates a failure with the `spender`’s `allowance`. Used in transfers.
     * @param spender Address that may be allowed to operate on tokens without being their owner.
     * @param allowance Amount of tokens a `spender` is allowed to operate with.
     * @param needed Minimum amount required to perform a transfer.
     */
    error ERC20InsufficientAllowance(address spender, uint256 allowance, uint256 needed);

    /**
     * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.
     * @param approver Address initiating an approval operation.
     */
    error ERC20InvalidApprover(address approver);

    /**
     * @dev Indicates a failure with the `spender` to be approved. Used in approvals.
     * @param spender Address that may be allowed to operate on tokens without being their owner.
     */
    error ERC20InvalidSpender(address spender);
}

/**
 * @dev Standard ERC-721 Errors
 * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC-721 tokens.
 */
interface IERC721Errors {
    /**
     * @dev Indicates that an address can't be an owner. For example, `address(0)` is a forbidden owner in ERC-20.
     * Used in balance queries.
     * @param owner Address of the current owner of a token.
     */
    error ERC721InvalidOwner(address owner);

    /**
     * @dev Indicates a `tokenId` whose `owner` is the zero address.
     * @param tokenId Identifier number of a token.
     */
    error ERC721NonexistentToken(uint256 tokenId);

    /**
     * @dev Indicates an error related to the ownership over a particular token. Used in transfers.
     * @param sender Address whose tokens are being transferred.
     * @param tokenId Identifier number of a token.
     * @param owner Address of the current owner of a token.
     */
    error ERC721IncorrectOwner(address sender, uint256 tokenId, address owner);

    /**
     * @dev Indicates a failure with the token `sender`. Used in transfers.
     * @param sender Address whose tokens are being transferred.
     */
    error ERC721InvalidSender(address sender);

    /**
     * @dev Indicates a failure with the token `receiver`. Used in transfers.
     * @param receiver Address to which tokens are being transferred.
     */
    error ERC721InvalidReceiver(address receiver);

    /**
     * @dev Indicates a failure with the `operator`’s approval. Used in transfers.
     * @param operator Address that may be allowed to operate on tokens without being their owner.
     * @param tokenId Identifier number of a token.
     */
    error ERC721InsufficientApproval(address operator, uint256 tokenId);

    /**
     * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.
     * @param approver Address initiating an approval operation.
     */
    error ERC721InvalidApprover(address approver);

    /**
     * @dev Indicates a failure with the `operator` to be approved. Used in approvals.
     * @param operator Address that may be allowed to operate on tokens without being their owner.
     */
    error ERC721InvalidOperator(address operator);
}

/**
 * @dev Standard ERC-1155 Errors
 * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC-1155 tokens.
 */
interface IERC1155Errors {
    /**
     * @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers.
     * @param sender Address whose tokens are being transferred.
     * @param balance Current balance for the interacting account.
     * @param needed Minimum amount required to perform a transfer.
     * @param tokenId Identifier number of a token.
     */
    error ERC1155InsufficientBalance(address sender, uint256 balance, uint256 needed, uint256 tokenId);

    /**
     * @dev Indicates a failure with the token `sender`. Used in transfers.
     * @param sender Address whose tokens are being transferred.
     */
    error ERC1155InvalidSender(address sender);

    /**
     * @dev Indicates a failure with the token `receiver`. Used in transfers.
     * @param receiver Address to which tokens are being transferred.
     */
    error ERC1155InvalidReceiver(address receiver);

    /**
     * @dev Indicates a failure with the `operator`’s approval. Used in transfers.
     * @param operator Address that may be allowed to operate on tokens without being their owner.
     * @param owner Address of the current owner of a token.
     */
    error ERC1155MissingApprovalForAll(address operator, address owner);

    /**
     * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.
     * @param approver Address initiating an approval operation.
     */
    error ERC1155InvalidApprover(address approver);

    /**
     * @dev Indicates a failure with the `operator` to be approved. Used in approvals.
     * @param operator Address that may be allowed to operate on tokens without being their owner.
     */
    error ERC1155InvalidOperator(address operator);

    /**
     * @dev Indicates an array length mismatch between ids and values in a safeBatchTransferFrom operation.
     * Used in batch transfers.
     * @param idsLength Length of the array of token identifiers
     * @param valuesLength Length of the array of token amounts
     */
    error ERC1155InvalidArrayLength(uint256 idsLength, uint256 valuesLength);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (interfaces/IERC1363.sol)

pragma solidity ^0.8.20;

import {IERC20} from "./IERC20.sol";
import {IERC165} from "./IERC165.sol";

/**
 * @title IERC1363
 * @dev Interface of the ERC-1363 standard as defined in the https://eips.ethereum.org/EIPS/eip-1363[ERC-1363].
 *
 * Defines an extension interface for ERC-20 tokens that supports executing code on a recipient contract
 * after `transfer` or `transferFrom`, or code on a spender contract after `approve`, in a single transaction.
 */
interface IERC1363 is IERC20, IERC165 {
    /*
     * Note: the ERC-165 identifier for this interface is 0xb0202a11.
     * 0xb0202a11 ===
     *   bytes4(keccak256('transferAndCall(address,uint256)')) ^
     *   bytes4(keccak256('transferAndCall(address,uint256,bytes)')) ^
     *   bytes4(keccak256('transferFromAndCall(address,address,uint256)')) ^
     *   bytes4(keccak256('transferFromAndCall(address,address,uint256,bytes)')) ^
     *   bytes4(keccak256('approveAndCall(address,uint256)')) ^
     *   bytes4(keccak256('approveAndCall(address,uint256,bytes)'))
     */

    /**
     * @dev Moves a `value` amount of tokens from the caller's account to `to`
     * and then calls {IERC1363Receiver-onTransferReceived} on `to`.
     * @param to The address which you want to transfer to.
     * @param value The amount of tokens to be transferred.
     * @return A boolean value indicating whether the operation succeeded unless throwing.
     */
    function transferAndCall(address to, uint256 value) external returns (bool);

    /**
     * @dev Moves a `value` amount of tokens from the caller's account to `to`
     * and then calls {IERC1363Receiver-onTransferReceived} on `to`.
     * @param to The address which you want to transfer to.
     * @param value The amount of tokens to be transferred.
     * @param data Additional data with no specified format, sent in call to `to`.
     * @return A boolean value indicating whether the operation succeeded unless throwing.
     */
    function transferAndCall(address to, uint256 value, bytes calldata data) external returns (bool);

    /**
     * @dev Moves a `value` amount of tokens from `from` to `to` using the allowance mechanism
     * and then calls {IERC1363Receiver-onTransferReceived} on `to`.
     * @param from The address which you want to send tokens from.
     * @param to The address which you want to transfer to.
     * @param value The amount of tokens to be transferred.
     * @return A boolean value indicating whether the operation succeeded unless throwing.
     */
    function transferFromAndCall(address from, address to, uint256 value) external returns (bool);

    /**
     * @dev Moves a `value` amount of tokens from `from` to `to` using the allowance mechanism
     * and then calls {IERC1363Receiver-onTransferReceived} on `to`.
     * @param from The address which you want to send tokens from.
     * @param to The address which you want to transfer to.
     * @param value The amount of tokens to be transferred.
     * @param data Additional data with no specified format, sent in call to `to`.
     * @return A boolean value indicating whether the operation succeeded unless throwing.
     */
    function transferFromAndCall(address from, address to, uint256 value, bytes calldata data) external returns (bool);

    /**
     * @dev Sets a `value` amount of tokens as the allowance of `spender` over the
     * caller's tokens and then calls {IERC1363Spender-onApprovalReceived} on `spender`.
     * @param spender The address which will spend the funds.
     * @param value The amount of tokens to be spent.
     * @return A boolean value indicating whether the operation succeeded unless throwing.
     */
    function approveAndCall(address spender, uint256 value) external returns (bool);

    /**
     * @dev Sets a `value` amount of tokens as the allowance of `spender` over the
     * caller's tokens and then calls {IERC1363Spender-onApprovalReceived} on `spender`.
     * @param spender The address which will spend the funds.
     * @param value The amount of tokens to be spent.
     * @param data Additional data with no specified format, sent in call to `spender`.
     * @return A boolean value indicating whether the operation succeeded unless throwing.
     */
    function approveAndCall(address spender, uint256 value, bytes calldata data) external returns (bool);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (utils/math/Math.sol)

pragma solidity ^0.8.20;

import {Panic} from "../Panic.sol";
import {SafeCast} from "./SafeCast.sol";

/**
 * @dev Standard math utilities missing in the Solidity language.
 */
library Math {
    enum Rounding {
        Floor, // Toward negative infinity
        Ceil, // Toward positive infinity
        Trunc, // Toward zero
        Expand // Away from zero
    }

    /**
     * @dev Returns the addition of two unsigned integers, with an success flag (no overflow).
     */
    function tryAdd(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) {
        unchecked {
            uint256 c = a + b;
            if (c < a) return (false, 0);
            return (true, c);
        }
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, with an success flag (no overflow).
     */
    function trySub(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) {
        unchecked {
            if (b > a) return (false, 0);
            return (true, a - b);
        }
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, with an success flag (no overflow).
     */
    function tryMul(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) {
        unchecked {
            // Gas optimization: this is cheaper than requiring 'a' not being zero, but the
            // benefit is lost if 'b' is also tested.
            // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
            if (a == 0) return (true, 0);
            uint256 c = a * b;
            if (c / a != b) return (false, 0);
            return (true, c);
        }
    }

    /**
     * @dev Returns the division of two unsigned integers, with a success flag (no division by zero).
     */
    function tryDiv(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a / b);
        }
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers, with a success flag (no division by zero).
     */
    function tryMod(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a % b);
        }
    }

    /**
     * @dev Branchless ternary evaluation for `a ? b : c`. Gas costs are constant.
     *
     * IMPORTANT: This function may reduce bytecode size and consume less gas when used standalone.
     * However, the compiler may optimize Solidity ternary operations (i.e. `a ? b : c`) to only compute
     * one branch when needed, making this function more expensive.
     */
    function ternary(bool condition, uint256 a, uint256 b) internal pure returns (uint256) {
        unchecked {
            // branchless ternary works because:
            // b ^ (a ^ b) == a
            // b ^ 0 == b
            return b ^ ((a ^ b) * SafeCast.toUint(condition));
        }
    }

    /**
     * @dev Returns the largest of two numbers.
     */
    function max(uint256 a, uint256 b) internal pure returns (uint256) {
        return ternary(a > b, a, b);
    }

    /**
     * @dev Returns the smallest of two numbers.
     */
    function min(uint256 a, uint256 b) internal pure returns (uint256) {
        return ternary(a < b, a, b);
    }

    /**
     * @dev Returns the average of two numbers. The result is rounded towards
     * zero.
     */
    function average(uint256 a, uint256 b) internal pure returns (uint256) {
        // (a + b) / 2 can overflow.
        return (a & b) + (a ^ b) / 2;
    }

    /**
     * @dev Returns the ceiling of the division of two numbers.
     *
     * This differs from standard division with `/` in that it rounds towards infinity instead
     * of rounding towards zero.
     */
    function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {
        if (b == 0) {
            // Guarantee the same behavior as in a regular Solidity division.
            Panic.panic(Panic.DIVISION_BY_ZERO);
        }

        // The following calculation ensures accurate ceiling division without overflow.
        // Since a is non-zero, (a - 1) / b will not overflow.
        // The largest possible result occurs when (a - 1) / b is type(uint256).max,
        // but the largest value we can obtain is type(uint256).max - 1, which happens
        // when a = type(uint256).max and b = 1.
        unchecked {
            return SafeCast.toUint(a > 0) * ((a - 1) / b + 1);
        }
    }

    /**
     * @dev Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or
     * denominator == 0.
     *
     * Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv) with further edits by
     * Uniswap Labs also under MIT license.
     */
    function mulDiv(uint256 x, uint256 y, uint256 denominator) internal pure returns (uint256 result) {
        unchecked {
            // 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2²⁵⁶ and mod 2²⁵⁶ - 1, then use
            // the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256
            // variables such that product = prod1 * 2²⁵⁶ + prod0.
            uint256 prod0 = x * y; // Least significant 256 bits of the product
            uint256 prod1; // Most significant 256 bits of the product
            assembly {
                let mm := mulmod(x, y, not(0))
                prod1 := sub(sub(mm, prod0), lt(mm, prod0))
            }

            // Handle non-overflow cases, 256 by 256 division.
            if (prod1 == 0) {
                // Solidity will revert if denominator == 0, unlike the div opcode on its own.
                // The surrounding unchecked block does not change this fact.
                // See https://docs.soliditylang.org/en/latest/control-structures.html#checked-or-unchecked-arithmetic.
                return prod0 / denominator;
            }

            // Make sure the result is less than 2²⁵⁶. Also prevents denominator == 0.
            if (denominator <= prod1) {
                Panic.panic(ternary(denominator == 0, Panic.DIVISION_BY_ZERO, Panic.UNDER_OVERFLOW));
            }

            ///////////////////////////////////////////////
            // 512 by 256 division.
            ///////////////////////////////////////////////

            // Make division exact by subtracting the remainder from [prod1 prod0].
            uint256 remainder;
            assembly {
                // Compute remainder using mulmod.
                remainder := mulmod(x, y, denominator)

                // Subtract 256 bit number from 512 bit number.
                prod1 := sub(prod1, gt(remainder, prod0))
                prod0 := sub(prod0, remainder)
            }

            // Factor powers of two out of denominator and compute largest power of two divisor of denominator.
            // Always >= 1. See https://cs.stackexchange.com/q/138556/92363.

            uint256 twos = denominator & (0 - denominator);
            assembly {
                // Divide denominator by twos.
                denominator := div(denominator, twos)

                // Divide [prod1 prod0] by twos.
                prod0 := div(prod0, twos)

                // Flip twos such that it is 2²⁵⁶ / twos. If twos is zero, then it becomes one.
                twos := add(div(sub(0, twos), twos), 1)
            }

            // Shift in bits from prod1 into prod0.
            prod0 |= prod1 * twos;

            // Invert denominator mod 2²⁵⁶. Now that denominator is an odd number, it has an inverse modulo 2²⁵⁶ such
            // that denominator * inv ≡ 1 mod 2²⁵⁶. Compute the inverse by starting with a seed that is correct for
            // four bits. That is, denominator * inv ≡ 1 mod 2⁴.
            uint256 inverse = (3 * denominator) ^ 2;

            // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also
            // works in modular arithmetic, doubling the correct bits in each step.
            inverse *= 2 - denominator * inverse; // inverse mod 2⁸
            inverse *= 2 - denominator * inverse; // inverse mod 2¹⁶
            inverse *= 2 - denominator * inverse; // inverse mod 2³²
            inverse *= 2 - denominator * inverse; // inverse mod 2⁶⁴
            inverse *= 2 - denominator * inverse; // inverse mod 2¹²⁸
            inverse *= 2 - denominator * inverse; // inverse mod 2²⁵⁶

            // Because the division is now exact we can divide by multiplying with the modular inverse of denominator.
            // This will give us the correct result modulo 2²⁵⁶. Since the preconditions guarantee that the outcome is
            // less than 2²⁵⁶, this is the final result. We don't need to compute the high bits of the result and prod1
            // is no longer required.
            result = prod0 * inverse;
            return result;
        }
    }

    /**
     * @dev Calculates x * y / denominator with full precision, following the selected rounding direction.
     */
    function mulDiv(uint256 x, uint256 y, uint256 denominator, Rounding rounding) internal pure returns (uint256) {
        return mulDiv(x, y, denominator) + SafeCast.toUint(unsignedRoundsUp(rounding) && mulmod(x, y, denominator) > 0);
    }

    /**
     * @dev Calculate the modular multiplicative inverse of a number in Z/nZ.
     *
     * If n is a prime, then Z/nZ is a field. In that case all elements are inversible, except 0.
     * If n is not a prime, then Z/nZ is not a field, and some elements might not be inversible.
     *
     * If the input value is not inversible, 0 is returned.
     *
     * NOTE: If you know for sure that n is (big) a prime, it may be cheaper to use Fermat's little theorem and get the
     * inverse using `Math.modExp(a, n - 2, n)`. See {invModPrime}.
     */
    function invMod(uint256 a, uint256 n) internal pure returns (uint256) {
        unchecked {
            if (n == 0) return 0;

            // The inverse modulo is calculated using the Extended Euclidean Algorithm (iterative version)
            // Used to compute integers x and y such that: ax + ny = gcd(a, n).
            // When the gcd is 1, then the inverse of a modulo n exists and it's x.
            // ax + ny = 1
            // ax = 1 + (-y)n
            // ax ≡ 1 (mod n) # x is the inverse of a modulo n

            // If the remainder is 0 the gcd is n right away.
            uint256 remainder = a % n;
            uint256 gcd = n;

            // Therefore the initial coefficients are:
            // ax + ny = gcd(a, n) = n
            // 0a + 1n = n
            int256 x = 0;
            int256 y = 1;

            while (remainder != 0) {
                uint256 quotient = gcd / remainder;

                (gcd, remainder) = (
                    // The old remainder is the next gcd to try.
                    remainder,
                    // Compute the next remainder.
                    // Can't overflow given that (a % gcd) * (gcd // (a % gcd)) <= gcd
                    // where gcd is at most n (capped to type(uint256).max)
                    gcd - remainder * quotient
                );

                (x, y) = (
                    // Increment the coefficient of a.
                    y,
                    // Decrement the coefficient of n.
                    // Can overflow, but the result is casted to uint256 so that the
                    // next value of y is "wrapped around" to a value between 0 and n - 1.
                    x - y * int256(quotient)
                );
            }

            if (gcd != 1) return 0; // No inverse exists.
            return ternary(x < 0, n - uint256(-x), uint256(x)); // Wrap the result if it's negative.
        }
    }

    /**
     * @dev Variant of {invMod}. More efficient, but only works if `p` is known to be a prime greater than `2`.
     *
     * From https://en.wikipedia.org/wiki/Fermat%27s_little_theorem[Fermat's little theorem], we know that if p is
     * prime, then `a**(p-1) ≡ 1 mod p`. As a consequence, we have `a * a**(p-2) ≡ 1 mod p`, which means that
     * `a**(p-2)` is the modular multiplicative inverse of a in Fp.
     *
     * NOTE: this function does NOT check that `p` is a prime greater than `2`.
     */
    function invModPrime(uint256 a, uint256 p) internal view returns (uint256) {
        unchecked {
            return Math.modExp(a, p - 2, p);
        }
    }

    /**
     * @dev Returns the modular exponentiation of the specified base, exponent and modulus (b ** e % m)
     *
     * Requirements:
     * - modulus can't be zero
     * - underlying staticcall to precompile must succeed
     *
     * IMPORTANT: The result is only valid if the underlying call succeeds. When using this function, make
     * sure the chain you're using it on supports the precompiled contract for modular exponentiation
     * at address 0x05 as specified in https://eips.ethereum.org/EIPS/eip-198[EIP-198]. Otherwise,
     * the underlying function will succeed given the lack of a revert, but the result may be incorrectly
     * interpreted as 0.
     */
    function modExp(uint256 b, uint256 e, uint256 m) internal view returns (uint256) {
        (bool success, uint256 result) = tryModExp(b, e, m);
        if (!success) {
            Panic.panic(Panic.DIVISION_BY_ZERO);
        }
        return result;
    }

    /**
     * @dev Returns the modular exponentiation of the specified base, exponent and modulus (b ** e % m).
     * It includes a success flag indicating if the operation succeeded. Operation will be marked as failed if trying
     * to operate modulo 0 or if the underlying precompile reverted.
     *
     * IMPORTANT: The result is only valid if the success flag is true. When using this function, make sure the chain
     * you're using it on supports the precompiled contract for modular exponentiation at address 0x05 as specified in
     * https://eips.ethereum.org/EIPS/eip-198[EIP-198]. Otherwise, the underlying function will succeed given the lack
     * of a revert, but the result may be incorrectly interpreted as 0.
     */
    function tryModExp(uint256 b, uint256 e, uint256 m) internal view returns (bool success, uint256 result) {
        if (m == 0) return (false, 0);
        assembly ("memory-safe") {
            let ptr := mload(0x40)
            // | Offset    | Content    | Content (Hex)                                                      |
            // |-----------|------------|--------------------------------------------------------------------|
            // | 0x00:0x1f | size of b  | 0x0000000000000000000000000000000000000000000000000000000000000020 |
            // | 0x20:0x3f | size of e  | 0x0000000000000000000000000000000000000000000000000000000000000020 |
            // | 0x40:0x5f | size of m  | 0x0000000000000000000000000000000000000000000000000000000000000020 |
            // | 0x60:0x7f | value of b | 0x<.............................................................b> |
            // | 0x80:0x9f | value of e | 0x<.............................................................e> |
            // | 0xa0:0xbf | value of m | 0x<.............................................................m> |
            mstore(ptr, 0x20)
            mstore(add(ptr, 0x20), 0x20)
            mstore(add(ptr, 0x40), 0x20)
            mstore(add(ptr, 0x60), b)
            mstore(add(ptr, 0x80), e)
            mstore(add(ptr, 0xa0), m)

            // Given the result < m, it's guaranteed to fit in 32 bytes,
            // so we can use the memory scratch space located at offset 0.
            success := staticcall(gas(), 0x05, ptr, 0xc0, 0x00, 0x20)
            result := mload(0x00)
        }
    }

    /**
     * @dev Variant of {modExp} that supports inputs of arbitrary length.
     */
    function modExp(bytes memory b, bytes memory e, bytes memory m) internal view returns (bytes memory) {
        (bool success, bytes memory result) = tryModExp(b, e, m);
        if (!success) {
            Panic.panic(Panic.DIVISION_BY_ZERO);
        }
        return result;
    }

    /**
     * @dev Variant of {tryModExp} that supports inputs of arbitrary length.
     */
    function tryModExp(
        bytes memory b,
        bytes memory e,
        bytes memory m
    ) internal view returns (bool success, bytes memory result) {
        if (_zeroBytes(m)) return (false, new bytes(0));

        uint256 mLen = m.length;

        // Encode call args in result and move the free memory pointer
        result = abi.encodePacked(b.length, e.length, mLen, b, e, m);

        assembly ("memory-safe") {
            let dataPtr := add(result, 0x20)
            // Write result on top of args to avoid allocating extra memory.
            success := staticcall(gas(), 0x05, dataPtr, mload(result), dataPtr, mLen)
            // Overwrite the length.
            // result.length > returndatasize() is guaranteed because returndatasize() == m.length
            mstore(result, mLen)
            // Set the memory pointer after the returned data.
            mstore(0x40, add(dataPtr, mLen))
        }
    }

    /**
     * @dev Returns whether the provided byte array is zero.
     */
    function _zeroBytes(bytes memory byteArray) private pure returns (bool) {
        for (uint256 i = 0; i < byteArray.length; ++i) {
            if (byteArray[i] != 0) {
                return false;
            }
        }
        return true;
    }

    /**
     * @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded
     * towards zero.
     *
     * This method is based on Newton's method for computing square roots; the algorithm is restricted to only
     * using integer operations.
     */
    function sqrt(uint256 a) internal pure returns (uint256) {
        unchecked {
            // Take care of easy edge cases when a == 0 or a == 1
            if (a <= 1) {
                return a;
            }

            // In this function, we use Newton's method to get a root of `f(x) := x² - a`. It involves building a
            // sequence x_n that converges toward sqrt(a). For each iteration x_n, we also define the error between
            // the current value as `ε_n = | x_n - sqrt(a) |`.
            //
            // For our first estimation, we consider `e` the smallest power of 2 which is bigger than the square root
            // of the target. (i.e. `2**(e-1) ≤ sqrt(a) < 2**e`). We know that `e ≤ 128` because `(2¹²⁸)² = 2²⁵⁶` is
            // bigger than any uint256.
            //
            // By noticing that
            // `2**(e-1) ≤ sqrt(a) < 2**e → (2**(e-1))² ≤ a < (2**e)² → 2**(2*e-2) ≤ a < 2**(2*e)`
            // we can deduce that `e - 1` is `log2(a) / 2`. We can thus compute `x_n = 2**(e-1)` using a method similar
            // to the msb function.
            uint256 aa = a;
            uint256 xn = 1;

            if (aa >= (1 << 128)) {
                aa >>= 128;
                xn <<= 64;
            }
            if (aa >= (1 << 64)) {
                aa >>= 64;
                xn <<= 32;
            }
            if (aa >= (1 << 32)) {
                aa >>= 32;
                xn <<= 16;
            }
            if (aa >= (1 << 16)) {
                aa >>= 16;
                xn <<= 8;
            }
            if (aa >= (1 << 8)) {
                aa >>= 8;
                xn <<= 4;
            }
            if (aa >= (1 << 4)) {
                aa >>= 4;
                xn <<= 2;
            }
            if (aa >= (1 << 2)) {
                xn <<= 1;
            }

            // We now have x_n such that `x_n = 2**(e-1) ≤ sqrt(a) < 2**e = 2 * x_n`. This implies ε_n ≤ 2**(e-1).
            //
            // We can refine our estimation by noticing that the middle of that interval minimizes the error.
            // If we move x_n to equal 2**(e-1) + 2**(e-2), then we reduce the error to ε_n ≤ 2**(e-2).
            // This is going to be our x_0 (and ε_0)
            xn = (3 * xn) >> 1; // ε_0 := | x_0 - sqrt(a) | ≤ 2**(e-2)

            // From here, Newton's method give us:
            // x_{n+1} = (x_n + a / x_n) / 2
            //
            // One should note that:
            // x_{n+1}² - a = ((x_n + a / x_n) / 2)² - a
            //              = ((x_n² + a) / (2 * x_n))² - a
            //              = (x_n⁴ + 2 * a * x_n² + a²) / (4 * x_n²) - a
            //              = (x_n⁴ + 2 * a * x_n² + a² - 4 * a * x_n²) / (4 * x_n²)
            //              = (x_n⁴ - 2 * a * x_n² + a²) / (4 * x_n²)
            //              = (x_n² - a)² / (2 * x_n)²
            //              = ((x_n² - a) / (2 * x_n))²
            //              ≥ 0
            // Which proves that for all n ≥ 1, sqrt(a) ≤ x_n
            //
            // This gives us the proof of quadratic convergence of the sequence:
            // ε_{n+1} = | x_{n+1} - sqrt(a) |
            //         = | (x_n + a / x_n) / 2 - sqrt(a) |
            //         = | (x_n² + a - 2*x_n*sqrt(a)) / (2 * x_n) |
            //         = | (x_n - sqrt(a))² / (2 * x_n) |
            //         = | ε_n² / (2 * x_n) |
            //         = ε_n² / | (2 * x_n) |
            //
            // For the first iteration, we have a special case where x_0 is known:
            // ε_1 = ε_0² / | (2 * x_0) |
            //     ≤ (2**(e-2))² / (2 * (2**(e-1) + 2**(e-2)))
            //     ≤ 2**(2*e-4) / (3 * 2**(e-1))
            //     ≤ 2**(e-3) / 3
            //     ≤ 2**(e-3-log2(3))
            //     ≤ 2**(e-4.5)
            //
            // For the following iterations, we use the fact that, 2**(e-1) ≤ sqrt(a) ≤ x_n:
            // ε_{n+1} = ε_n² / | (2 * x_n) |
            //         ≤ (2**(e-k))² / (2 * 2**(e-1))
            //         ≤ 2**(2*e-2*k) / 2**e
            //         ≤ 2**(e-2*k)
            xn = (xn + a / xn) >> 1; // ε_1 := | x_1 - sqrt(a) | ≤ 2**(e-4.5)  -- special case, see above
            xn = (xn + a / xn) >> 1; // ε_2 := | x_2 - sqrt(a) | ≤ 2**(e-9)    -- general case with k = 4.5
            xn = (xn + a / xn) >> 1; // ε_3 := | x_3 - sqrt(a) | ≤ 2**(e-18)   -- general case with k = 9
            xn = (xn + a / xn) >> 1; // ε_4 := | x_4 - sqrt(a) | ≤ 2**(e-36)   -- general case with k = 18
            xn = (xn + a / xn) >> 1; // ε_5 := | x_5 - sqrt(a) | ≤ 2**(e-72)   -- general case with k = 36
            xn = (xn + a / xn) >> 1; // ε_6 := | x_6 - sqrt(a) | ≤ 2**(e-144)  -- general case with k = 72

            // Because e ≤ 128 (as discussed during the first estimation phase), we know have reached a precision
            // ε_6 ≤ 2**(e-144) < 1. Given we're operating on integers, then we can ensure that xn is now either
            // sqrt(a) or sqrt(a) + 1.
            return xn - SafeCast.toUint(xn > a / xn);
        }
    }

    /**
     * @dev Calculates sqrt(a), following the selected rounding direction.
     */
    function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = sqrt(a);
            return result + SafeCast.toUint(unsignedRoundsUp(rounding) && result * result < a);
        }
    }

    /**
     * @dev Return the log in base 2 of a positive value rounded towards zero.
     * Returns 0 if given 0.
     */
    function log2(uint256 x) internal pure returns (uint256 r) {
        // If value has upper 128 bits set, log2 result is at least 128
        r = SafeCast.toUint(x > 0xffffffffffffffffffffffffffffffff) << 7;
        // If upper 64 bits of 128-bit half set, add 64 to result
        r |= SafeCast.toUint((x >> r) > 0xffffffffffffffff) << 6;
        // If upper 32 bits of 64-bit half set, add 32 to result
        r |= SafeCast.toUint((x >> r) > 0xffffffff) << 5;
        // If upper 16 bits of 32-bit half set, add 16 to result
        r |= SafeCast.toUint((x >> r) > 0xffff) << 4;
        // If upper 8 bits of 16-bit half set, add 8 to result
        r |= SafeCast.toUint((x >> r) > 0xff) << 3;
        // If upper 4 bits of 8-bit half set, add 4 to result
        r |= SafeCast.toUint((x >> r) > 0xf) << 2;

        // Shifts value right by the current result and use it as an index into this lookup table:
        //
        // | x (4 bits) |  index  | table[index] = MSB position |
        // |------------|---------|-----------------------------|
        // |    0000    |    0    |        table[0] = 0         |
        // |    0001    |    1    |        table[1] = 0         |
        // |    0010    |    2    |        table[2] = 1         |
        // |    0011    |    3    |        table[3] = 1         |
        // |    0100    |    4    |        table[4] = 2         |
        // |    0101    |    5    |        table[5] = 2         |
        // |    0110    |    6    |        table[6] = 2         |
        // |    0111    |    7    |        table[7] = 2         |
        // |    1000    |    8    |        table[8] = 3         |
        // |    1001    |    9    |        table[9] = 3         |
        // |    1010    |   10    |        table[10] = 3        |
        // |    1011    |   11    |        table[11] = 3        |
        // |    1100    |   12    |        table[12] = 3        |
        // |    1101    |   13    |        table[13] = 3        |
        // |    1110    |   14    |        table[14] = 3        |
        // |    1111    |   15    |        table[15] = 3        |
        //
        // The lookup table is represented as a 32-byte value with the MSB positions for 0-15 in the last 16 bytes.
        assembly ("memory-safe") {
            r := or(r, byte(shr(r, x), 0x0000010102020202030303030303030300000000000000000000000000000000))
        }
    }

    /**
     * @dev Return the log in base 2, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log2(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log2(value);
            return result + SafeCast.toUint(unsignedRoundsUp(rounding) && 1 << result < value);
        }
    }

    /**
     * @dev Return the log in base 10 of a positive value rounded towards zero.
     * Returns 0 if given 0.
     */
    function log10(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >= 10 ** 64) {
                value /= 10 ** 64;
                result += 64;
            }
            if (value >= 10 ** 32) {
                value /= 10 ** 32;
                result += 32;
            }
            if (value >= 10 ** 16) {
                value /= 10 ** 16;
                result += 16;
            }
            if (value >= 10 ** 8) {
                value /= 10 ** 8;
                result += 8;
            }
            if (value >= 10 ** 4) {
                value /= 10 ** 4;
                result += 4;
            }
            if (value >= 10 ** 2) {
                value /= 10 ** 2;
                result += 2;
            }
            if (value >= 10 ** 1) {
                result += 1;
            }
        }
        return result;
    }

    /**
     * @dev Return the log in base 10, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log10(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log10(value);
            return result + SafeCast.toUint(unsignedRoundsUp(rounding) && 10 ** result < value);
        }
    }

    /**
     * @dev Return the log in base 256 of a positive value rounded towards zero.
     * Returns 0 if given 0.
     *
     * Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string.
     */
    function log256(uint256 x) internal pure returns (uint256 r) {
        // If value has upper 128 bits set, log2 result is at least 128
        r = SafeCast.toUint(x > 0xffffffffffffffffffffffffffffffff) << 7;
        // If upper 64 bits of 128-bit half set, add 64 to result
        r |= SafeCast.toUint((x >> r) > 0xffffffffffffffff) << 6;
        // If upper 32 bits of 64-bit half set, add 32 to result
        r |= SafeCast.toUint((x >> r) > 0xffffffff) << 5;
        // If upper 16 bits of 32-bit half set, add 16 to result
        r |= SafeCast.toUint((x >> r) > 0xffff) << 4;
        // Add 1 if upper 8 bits of 16-bit half set, and divide accumulated result by 8
        return (r >> 3) | SafeCast.toUint((x >> r) > 0xff);
    }

    /**
     * @dev Return the log in base 256, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log256(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log256(value);
            return result + SafeCast.toUint(unsignedRoundsUp(rounding) && 1 << (result << 3) < value);
        }
    }

    /**
     * @dev Returns whether a provided rounding mode is considered rounding up for unsigned integers.
     */
    function unsignedRoundsUp(Rounding rounding) internal pure returns (bool) {
        return uint8(rounding) % 2 == 1;
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.23;

import {IERC20Metadata} from '@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol';

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

/**
 * @title IDebtToken
 * @notice Interface for debt tokens that represent borrowed assets in lending pools
 */
interface IDebtToken is IERC20Metadata {
  /**
   * @notice Mints debt tokens to an account
   * @param _account Address to mint tokens to
   * @param _amount Amount of tokens to mint
   */
  function mint(address _account, uint256 _amount) external;

  /**
   * @notice Burns debt tokens from an account
   * @param _account Address to burn tokens from
   * @param _amount Amount of tokens to burn
   */
  function burn(address _account, uint256 _amount) external;

  /**
   * @notice Increases allowance for a spender
   * @param spender Address allowed to spend tokens
   * @param addedValue Amount to increase allowance by
   * @return bool True if operation succeeded
   */
  function increaseAllowance(address spender, uint256 addedValue) external returns (bool);

  /**
   * @notice Decreases allowance for a spender
   * @param spender Address allowed to spend tokens
   * @param subtractedValue Amount to decrease allowance by
   * @return bool True if operation succeeded
   */
  function decreaseAllowance(address spender, uint256 subtractedValue) external returns (bool);

  /**
   * @notice Returns the lending pool contract address
   * @return ILendingPool The lending pool contract interface
   */
  function LENDING_POOL() external view returns (ILendingPool);

  /**
   * @notice Returns the underlying asset token address
   * @return address The underlying token address
   */
  function UNDERLYING() external view returns (address);
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.23;

interface IACLManager {
  function setRoleAdmin(bytes32 _role, bytes32 _adminRole) external;

  function addEmergency(
    address admin
  ) external;

  function addManager(
    address admin
  ) external;

  function addConsumer(
    address admin
  ) external;

  function removeConsumer(
    address admin
  ) external;

  function removeManager(
    address admin
  ) external;

  function removeEmergency(
    address admin
  ) external;

  function isEmergencyRole(
    address admin
  ) external view returns (bool);

  function isManagerRole(
    address admin
  ) external view returns (bool);

  function isConsumerRole(
    address admin
  ) external view returns (bool);
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.23;

interface IAllowListAuthentication {
  function setManager(
    address manager_
  ) external;

  function addSolver(
    address _solver
  ) external;

  function removeSolver(
    address _solver
  ) external;

  function addMaker(
    address _maker
  ) external;

  function removeMaker(
    address _maker
  ) external;

  function isSolver(
    address _addr
  ) external view returns (bool);

  function isMaker(
    address _addr
  ) external view returns (bool);

  function manager() external view returns (address);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC20.sol)

pragma solidity ^0.8.20;

import {IERC20} from "../token/ERC20/IERC20.sol";

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC165.sol)

pragma solidity ^0.8.20;

import {IERC165} from "../utils/introspection/IERC165.sol";

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (utils/Panic.sol)

pragma solidity ^0.8.20;

/**
 * @dev Helper library for emitting standardized panic codes.
 *
 * ```solidity
 * contract Example {
 *      using Panic for uint256;
 *
 *      // Use any of the declared internal constants
 *      function foo() { Panic.GENERIC.panic(); }
 *
 *      // Alternatively
 *      function foo() { Panic.panic(Panic.GENERIC); }
 * }
 * ```
 *
 * Follows the list from https://github.com/ethereum/solidity/blob/v0.8.24/libsolutil/ErrorCodes.h[libsolutil].
 *
 * _Available since v5.1._
 */
// slither-disable-next-line unused-state
library Panic {
    /// @dev generic / unspecified error
    uint256 internal constant GENERIC = 0x00;
    /// @dev used by the assert() builtin
    uint256 internal constant ASSERT = 0x01;
    /// @dev arithmetic underflow or overflow
    uint256 internal constant UNDER_OVERFLOW = 0x11;
    /// @dev division or modulo by zero
    uint256 internal constant DIVISION_BY_ZERO = 0x12;
    /// @dev enum conversion error
    uint256 internal constant ENUM_CONVERSION_ERROR = 0x21;
    /// @dev invalid encoding in storage
    uint256 internal constant STORAGE_ENCODING_ERROR = 0x22;
    /// @dev empty array pop
    uint256 internal constant EMPTY_ARRAY_POP = 0x31;
    /// @dev array out of bounds access
    uint256 internal constant ARRAY_OUT_OF_BOUNDS = 0x32;
    /// @dev resource error (too large allocation or too large array)
    uint256 internal constant RESOURCE_ERROR = 0x41;
    /// @dev calling invalid internal function
    uint256 internal constant INVALID_INTERNAL_FUNCTION = 0x51;

    /// @dev Reverts with a panic code. Recommended to use with
    /// the internal constants with predefined codes.
    function panic(uint256 code) internal pure {
        assembly ("memory-safe") {
            mstore(0x00, 0x4e487b71)
            mstore(0x20, code)
            revert(0x1c, 0x24)
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (utils/math/SafeCast.sol)
// This file was procedurally generated from scripts/generate/templates/SafeCast.js.

pragma solidity ^0.8.20;

/**
 * @dev Wrappers over Solidity's uintXX/intXX/bool casting operators with added overflow
 * checks.
 *
 * Downcasting from uint256/int256 in Solidity does not revert on overflow. This can
 * easily result in undesired exploitation or bugs, since developers usually
 * assume that overflows raise errors. `SafeCast` restores this intuition by
 * reverting the transaction when such an operation overflows.
 *
 * Using this library instead of the unchecked operations eliminates an entire
 * class of bugs, so it's recommended to use it always.
 */
library SafeCast {
    /**
     * @dev Value doesn't fit in an uint of `bits` size.
     */
    error SafeCastOverflowedUintDowncast(uint8 bits, uint256 value);

    /**
     * @dev An int value doesn't fit in an uint of `bits` size.
     */
    error SafeCastOverflowedIntToUint(int256 value);

    /**
     * @dev Value doesn't fit in an int of `bits` size.
     */
    error SafeCastOverflowedIntDowncast(uint8 bits, int256 value);

    /**
     * @dev An uint value doesn't fit in an int of `bits` size.
     */
    error SafeCastOverflowedUintToInt(uint256 value);

    /**
     * @dev Returns the downcasted uint248 from uint256, reverting on
     * overflow (when the input is greater than largest uint248).
     *
     * Counterpart to Solidity's `uint248` operator.
     *
     * Requirements:
     *
     * - input must fit into 248 bits
     */
    function toUint248(uint256 value) internal pure returns (uint248) {
        if (value > type(uint248).max) {
            revert SafeCastOverflowedUintDowncast(248, value);
        }
        return uint248(value);
    }

    /**
     * @dev Returns the downcasted uint240 from uint256, reverting on
     * overflow (when the input is greater than largest uint240).
     *
     * Counterpart to Solidity's `uint240` operator.
     *
     * Requirements:
     *
     * - input must fit into 240 bits
     */
    function toUint240(uint256 value) internal pure returns (uint240) {
        if (value > type(uint240).max) {
            revert SafeCastOverflowedUintDowncast(240, value);
        }
        return uint240(value);
    }

    /**
     * @dev Returns the downcasted uint232 from uint256, reverting on
     * overflow (when the input is greater than largest uint232).
     *
     * Counterpart to Solidity's `uint232` operator.
     *
     * Requirements:
     *
     * - input must fit into 232 bits
     */
    function toUint232(uint256 value) internal pure returns (uint232) {
        if (value > type(uint232).max) {
            revert SafeCastOverflowedUintDowncast(232, value);
        }
        return uint232(value);
    }

    /**
     * @dev Returns the downcasted uint224 from uint256, reverting on
     * overflow (when the input is greater than largest uint224).
     *
     * Counterpart to Solidity's `uint224` operator.
     *
     * Requirements:
     *
     * - input must fit into 224 bits
     */
    function toUint224(uint256 value) internal pure returns (uint224) {
        if (value > type(uint224).max) {
            revert SafeCastOverflowedUintDowncast(224, value);
        }
        return uint224(value);
    }

    /**
     * @dev Returns the downcasted uint216 from uint256, reverting on
     * overflow (when the input is greater than largest uint216).
     *
     * Counterpart to Solidity's `uint216` operator.
     *
     * Requirements:
     *
     * - input must fit into 216 bits
     */
    function toUint216(uint256 value) internal pure returns (uint216) {
        if (value > type(uint216).max) {
            revert SafeCastOverflowedUintDowncast(216, value);
        }
        return uint216(value);
    }

    /**
     * @dev Returns the downcasted uint208 from uint256, reverting on
     * overflow (when the input is greater than largest uint208).
     *
     * Counterpart to Solidity's `uint208` operator.
     *
     * Requirements:
     *
     * - input must fit into 208 bits
     */
    function toUint208(uint256 value) internal pure returns (uint208) {
        if (value > type(uint208).max) {
            revert SafeCastOverflowedUintDowncast(208, value);
        }
        return uint208(value);
    }

    /**
     * @dev Returns the downcasted uint200 from uint256, reverting on
     * overflow (when the input is greater than largest uint200).
     *
     * Counterpart to Solidity's `uint200` operator.
     *
     * Requirements:
     *
     * - input must fit into 200 bits
     */
    function toUint200(uint256 value) internal pure returns (uint200) {
        if (value > type(uint200).max) {
            revert SafeCastOverflowedUintDowncast(200, value);
        }
        return uint200(value);
    }

    /**
     * @dev Returns the downcasted uint192 from uint256, reverting on
     * overflow (when the input is greater than largest uint192).
     *
     * Counterpart to Solidity's `uint192` operator.
     *
     * Requirements:
     *
     * - input must fit into 192 bits
     */
    function toUint192(uint256 value) internal pure returns (uint192) {
        if (value > type(uint192).max) {
            revert SafeCastOverflowedUintDowncast(192, value);
        }
        return uint192(value);
    }

    /**
     * @dev Returns the downcasted uint184 from uint256, reverting on
     * overflow (when the input is greater than largest uint184).
     *
     * Counterpart to Solidity's `uint184` operator.
     *
     * Requirements:
     *
     * - input must fit into 184 bits
     */
    function toUint184(uint256 value) internal pure returns (uint184) {
        if (value > type(uint184).max) {
            revert SafeCastOverflowedUintDowncast(184, value);
        }
        return uint184(value);
    }

    /**
     * @dev Returns the downcasted uint176 from uint256, reverting on
     * overflow (when the input is greater than largest uint176).
     *
     * Counterpart to Solidity's `uint176` operator.
     *
     * Requirements:
     *
     * - input must fit into 176 bits
     */
    function toUint176(uint256 value) internal pure returns (uint176) {
        if (value > type(uint176).max) {
            revert SafeCastOverflowedUintDowncast(176, value);
        }
        return uint176(value);
    }

    /**
     * @dev Returns the downcasted uint168 from uint256, reverting on
     * overflow (when the input is greater than largest uint168).
     *
     * Counterpart to Solidity's `uint168` operator.
     *
     * Requirements:
     *
     * - input must fit into 168 bits
     */
    function toUint168(uint256 value) internal pure returns (uint168) {
        if (value > type(uint168).max) {
            revert SafeCastOverflowedUintDowncast(168, value);
        }
        return uint168(value);
    }

    /**
     * @dev Returns the downcasted uint160 from uint256, reverting on
     * overflow (when the input is greater than largest uint160).
     *
     * Counterpart to Solidity's `uint160` operator.
     *
     * Requirements:
     *
     * - input must fit into 160 bits
     */
    function toUint160(uint256 value) internal pure returns (uint160) {
        if (value > type(uint160).max) {
            revert SafeCastOverflowedUintDowncast(160, value);
        }
        return uint160(value);
    }

    /**
     * @dev Returns the downcasted uint152 from uint256, reverting on
     * overflow (when the input is greater than largest uint152).
     *
     * Counterpart to Solidity's `uint152` operator.
     *
     * Requirements:
     *
     * - input must fit into 152 bits
     */
    function toUint152(uint256 value) internal pure returns (uint152) {
        if (value > type(uint152).max) {
            revert SafeCastOverflowedUintDowncast(152, value);
        }
        return uint152(value);
    }

    /**
     * @dev Returns the downcasted uint144 from uint256, reverting on
     * overflow (when the input is greater than largest uint144).
     *
     * Counterpart to Solidity's `uint144` operator.
     *
     * Requirements:
     *
     * - input must fit into 144 bits
     */
    function toUint144(uint256 value) internal pure returns (uint144) {
        if (value > type(uint144).max) {
            revert SafeCastOverflowedUintDowncast(144, value);
        }
        return uint144(value);
    }

    /**
     * @dev Returns the downcasted uint136 from uint256, reverting on
     * overflow (when the input is greater than largest uint136).
     *
     * Counterpart to Solidity's `uint136` operator.
     *
     * Requirements:
     *
     * - input must fit into 136 bits
     */
    function toUint136(uint256 value) internal pure returns (uint136) {
        if (value > type(uint136).max) {
            revert SafeCastOverflowedUintDowncast(136, value);
        }
        return uint136(value);
    }

    /**
     * @dev Returns the downcasted uint128 from uint256, reverting on
     * overflow (when the input is greater than largest uint128).
     *
     * Counterpart to Solidity's `uint128` operator.
     *
     * Requirements:
     *
     * - input must fit into 128 bits
     */
    function toUint128(uint256 value) internal pure returns (uint128) {
        if (value > type(uint128).max) {
            revert SafeCastOverflowedUintDowncast(128, value);
        }
        return uint128(value);
    }

    /**
     * @dev Returns the downcasted uint120 from uint256, reverting on
     * overflow (when the input is greater than largest uint120).
     *
     * Counterpart to Solidity's `uint120` operator.
     *
     * Requirements:
     *
     * - input must fit into 120 bits
     */
    function toUint120(uint256 value) internal pure returns (uint120) {
        if (value > type(uint120).max) {
            revert SafeCastOverflowedUintDowncast(120, value);
        }
        return uint120(value);
    }

    /**
     * @dev Returns the downcasted uint112 from uint256, reverting on
     * overflow (when the input is greater than largest uint112).
     *
     * Counterpart to Solidity's `uint112` operator.
     *
     * Requirements:
     *
     * - input must fit into 112 bits
     */
    function toUint112(uint256 value) internal pure returns (uint112) {
        if (value > type(uint112).max) {
            revert SafeCastOverflowedUintDowncast(112, value);
        }
        return uint112(value);
    }

    /**
     * @dev Returns the downcasted uint104 from uint256, reverting on
     * overflow (when the input is greater than largest uint104).
     *
     * Counterpart to Solidity's `uint104` operator.
     *
     * Requirements:
     *
     * - input must fit into 104 bits
     */
    function toUint104(uint256 value) internal pure returns (uint104) {
        if (value > type(uint104).max) {
            revert SafeCastOverflowedUintDowncast(104, value);
        }
        return uint104(value);
    }

    /**
     * @dev Returns the downcasted uint96 from uint256, reverting on
     * overflow (when the input is greater than largest uint96).
     *
     * Counterpart to Solidity's `uint96` operator.
     *
     * Requirements:
     *
     * - input must fit into 96 bits
     */
    function toUint96(uint256 value) internal pure returns (uint96) {
        if (value > type(uint96).max) {
            revert SafeCastOverflowedUintDowncast(96, value);
        }
        return uint96(value);
    }

    /**
     * @dev Returns the downcasted uint88 from uint256, reverting on
     * overflow (when the input is greater than largest uint88).
     *
     * Counterpart to Solidity's `uint88` operator.
     *
     * Requirements:
     *
     * - input must fit into 88 bits
     */
    function toUint88(uint256 value) internal pure returns (uint88) {
        if (value > type(uint88).max) {
            revert SafeCastOverflowedUintDowncast(88, value);
        }
        return uint88(value);
    }

    /**
     * @dev Returns the downcasted uint80 from uint256, reverting on
     * overflow (when the input is greater than largest uint80).
     *
     * Counterpart to Solidity's `uint80` operator.
     *
     * Requirements:
     *
     * - input must fit into 80 bits
     */
    function toUint80(uint256 value) internal pure returns (uint80) {
        if (value > type(uint80).max) {
            revert SafeCastOverflowedUintDowncast(80, value);
        }
        return uint80(value);
    }

    /**
     * @dev Returns the downcasted uint72 from uint256, reverting on
     * overflow (when the input is greater than largest uint72).
     *
     * Counterpart to Solidity's `uint72` operator.
     *
     * Requirements:
     *
     * - input must fit into 72 bits
     */
    function toUint72(uint256 value) internal pure returns (uint72) {
        if (value > type(uint72).max) {
            revert SafeCastOverflowedUintDowncast(72, value);
        }
        return uint72(value);
    }

    /**
     * @dev Returns the downcasted uint64 from uint256, reverting on
     * overflow (when the input is greater than largest uint64).
     *
     * Counterpart to Solidity's `uint64` operator.
     *
     * Requirements:
     *
     * - input must fit into 64 bits
     */
    function toUint64(uint256 value) internal pure returns (uint64) {
        if (value > type(uint64).max) {
            revert SafeCastOverflowedUintDowncast(64, value);
        }
        return uint64(value);
    }

    /**
     * @dev Returns the downcasted uint56 from uint256, reverting on
     * overflow (when the input is greater than largest uint56).
     *
     * Counterpart to Solidity's `uint56` operator.
     *
     * Requirements:
     *
     * - input must fit into 56 bits
     */
    function toUint56(uint256 value) internal pure returns (uint56) {
        if (value > type(uint56).max) {
            revert SafeCastOverflowedUintDowncast(56, value);
        }
        return uint56(value);
    }

    /**
     * @dev Returns the downcasted uint48 from uint256, reverting on
     * overflow (when the input is greater than largest uint48).
     *
     * Counterpart to Solidity's `uint48` operator.
     *
     * Requirements:
     *
     * - input must fit into 48 bits
     */
    function toUint48(uint256 value) internal pure returns (uint48) {
        if (value > type(uint48).max) {
            revert SafeCastOverflowedUintDowncast(48, value);
        }
        return uint48(value);
    }

    /**
     * @dev Returns the downcasted uint40 from uint256, reverting on
     * overflow (when the input is greater than largest uint40).
     *
     * Counterpart to Solidity's `uint40` operator.
     *
     * Requirements:
     *
     * - input must fit into 40 bits
     */
    function toUint40(uint256 value) internal pure returns (uint40) {
        if (value > type(uint40).max) {
            revert SafeCastOverflowedUintDowncast(40, value);
        }
        return uint40(value);
    }

    /**
     * @dev Returns the downcasted uint32 from uint256, reverting on
     * overflow (when the input is greater than largest uint32).
     *
     * Counterpart to Solidity's `uint32` operator.
     *
     * Requirements:
     *
     * - input must fit into 32 bits
     */
    function toUint32(uint256 value) internal pure returns (uint32) {
        if (value > type(uint32).max) {
            revert SafeCastOverflowedUintDowncast(32, value);
        }
        return uint32(value);
    }

    /**
     * @dev Returns the downcasted uint24 from uint256, reverting on
     * overflow (when the input is greater than largest uint24).
     *
     * Counterpart to Solidity's `uint24` operator.
     *
     * Requirements:
     *
     * - input must fit into 24 bits
     */
    function toUint24(uint256 value) internal pure returns (uint24) {
        if (value > type(uint24).max) {
            revert SafeCastOverflowedUintDowncast(24, value);
        }
        return uint24(value);
    }

    /**
     * @dev Returns the downcasted uint16 from uint256, reverting on
     * overflow (when the input is greater than largest uint16).
     *
     * Counterpart to Solidity's `uint16` operator.
     *
     * Requirements:
     *
     * - input must fit into 16 bits
     */
    function toUint16(uint256 value) internal pure returns (uint16) {
        if (value > type(uint16).max) {
            revert SafeCastOverflowedUintDowncast(16, value);
        }
        return uint16(value);
    }

    /**
     * @dev Returns the downcasted uint8 from uint256, reverting on
     * overflow (when the input is greater than largest uint8).
     *
     * Counterpart to Solidity's `uint8` operator.
     *
     * Requirements:
     *
     * - input must fit into 8 bits
     */
    function toUint8(uint256 value) internal pure returns (uint8) {
        if (value > type(uint8).max) {
            revert SafeCastOverflowedUintDowncast(8, value);
        }
        return uint8(value);
    }

    /**
     * @dev Converts a signed int256 into an unsigned uint256.
     *
     * Requirements:
     *
     * - input must be greater than or equal to 0.
     */
    function toUint256(int256 value) internal pure returns (uint256) {
        if (value < 0) {
            revert SafeCastOverflowedIntToUint(value);
        }
        return uint256(value);
    }

    /**
     * @dev Returns the downcasted int248 from int256, reverting on
     * overflow (when the input is less than smallest int248 or
     * greater than largest int248).
     *
     * Counterpart to Solidity's `int248` operator.
     *
     * Requirements:
     *
     * - input must fit into 248 bits
     */
    function toInt248(int256 value) internal pure returns (int248 downcasted) {
        downcasted = int248(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(248, value);
        }
    }

    /**
     * @dev Returns the downcasted int240 from int256, reverting on
     * overflow (when the input is less than smallest int240 or
     * greater than largest int240).
     *
     * Counterpart to Solidity's `int240` operator.
     *
     * Requirements:
     *
     * - input must fit into 240 bits
     */
    function toInt240(int256 value) internal pure returns (int240 downcasted) {
        downcasted = int240(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(240, value);
        }
    }

    /**
     * @dev Returns the downcasted int232 from int256, reverting on
     * overflow (when the input is less than smallest int232 or
     * greater than largest int232).
     *
     * Counterpart to Solidity's `int232` operator.
     *
     * Requirements:
     *
     * - input must fit into 232 bits
     */
    function toInt232(int256 value) internal pure returns (int232 downcasted) {
        downcasted = int232(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(232, value);
        }
    }

    /**
     * @dev Returns the downcasted int224 from int256, reverting on
     * overflow (when the input is less than smallest int224 or
     * greater than largest int224).
     *
     * Counterpart to Solidity's `int224` operator.
     *
     * Requirements:
     *
     * - input must fit into 224 bits
     */
    function toInt224(int256 value) internal pure returns (int224 downcasted) {
        downcasted = int224(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(224, value);
        }
    }

    /**
     * @dev Returns the downcasted int216 from int256, reverting on
     * overflow (when the input is less than smallest int216 or
     * greater than largest int216).
     *
     * Counterpart to Solidity's `int216` operator.
     *
     * Requirements:
     *
     * - input must fit into 216 bits
     */
    function toInt216(int256 value) internal pure returns (int216 downcasted) {
        downcasted = int216(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(216, value);
        }
    }

    /**
     * @dev Returns the downcasted int208 from int256, reverting on
     * overflow (when the input is less than smallest int208 or
     * greater than largest int208).
     *
     * Counterpart to Solidity's `int208` operator.
     *
     * Requirements:
     *
     * - input must fit into 208 bits
     */
    function toInt208(int256 value) internal pure returns (int208 downcasted) {
        downcasted = int208(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(208, value);
        }
    }

    /**
     * @dev Returns the downcasted int200 from int256, reverting on
     * overflow (when the input is less than smallest int200 or
     * greater than largest int200).
     *
     * Counterpart to Solidity's `int200` operator.
     *
     * Requirements:
     *
     * - input must fit into 200 bits
     */
    function toInt200(int256 value) internal pure returns (int200 downcasted) {
        downcasted = int200(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(200, value);
        }
    }

    /**
     * @dev Returns the downcasted int192 from int256, reverting on
     * overflow (when the input is less than smallest int192 or
     * greater than largest int192).
     *
     * Counterpart to Solidity's `int192` operator.
     *
     * Requirements:
     *
     * - input must fit into 192 bits
     */
    function toInt192(int256 value) internal pure returns (int192 downcasted) {
        downcasted = int192(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(192, value);
        }
    }

    /**
     * @dev Returns the downcasted int184 from int256, reverting on
     * overflow (when the input is less than smallest int184 or
     * greater than largest int184).
     *
     * Counterpart to Solidity's `int184` operator.
     *
     * Requirements:
     *
     * - input must fit into 184 bits
     */
    function toInt184(int256 value) internal pure returns (int184 downcasted) {
        downcasted = int184(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(184, value);
        }
    }

    /**
     * @dev Returns the downcasted int176 from int256, reverting on
     * overflow (when the input is less than smallest int176 or
     * greater than largest int176).
     *
     * Counterpart to Solidity's `int176` operator.
     *
     * Requirements:
     *
     * - input must fit into 176 bits
     */
    function toInt176(int256 value) internal pure returns (int176 downcasted) {
        downcasted = int176(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(176, value);
        }
    }

    /**
     * @dev Returns the downcasted int168 from int256, reverting on
     * overflow (when the input is less than smallest int168 or
     * greater than largest int168).
     *
     * Counterpart to Solidity's `int168` operator.
     *
     * Requirements:
     *
     * - input must fit into 168 bits
     */
    function toInt168(int256 value) internal pure returns (int168 downcasted) {
        downcasted = int168(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(168, value);
        }
    }

    /**
     * @dev Returns the downcasted int160 from int256, reverting on
     * overflow (when the input is less than smallest int160 or
     * greater than largest int160).
     *
     * Counterpart to Solidity's `int160` operator.
     *
     * Requirements:
     *
     * - input must fit into 160 bits
     */
    function toInt160(int256 value) internal pure returns (int160 downcasted) {
        downcasted = int160(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(160, value);
        }
    }

    /**
     * @dev Returns the downcasted int152 from int256, reverting on
     * overflow (when the input is less than smallest int152 or
     * greater than largest int152).
     *
     * Counterpart to Solidity's `int152` operator.
     *
     * Requirements:
     *
     * - input must fit into 152 bits
     */
    function toInt152(int256 value) internal pure returns (int152 downcasted) {
        downcasted = int152(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(152, value);
        }
    }

    /**
     * @dev Returns the downcasted int144 from int256, reverting on
     * overflow (when the input is less than smallest int144 or
     * greater than largest int144).
     *
     * Counterpart to Solidity's `int144` operator.
     *
     * Requirements:
     *
     * - input must fit into 144 bits
     */
    function toInt144(int256 value) internal pure returns (int144 downcasted) {
        downcasted = int144(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(144, value);
        }
    }

    /**
     * @dev Returns the downcasted int136 from int256, reverting on
     * overflow (when the input is less than smallest int136 or
     * greater than largest int136).
     *
     * Counterpart to Solidity's `int136` operator.
     *
     * Requirements:
     *
     * - input must fit into 136 bits
     */
    function toInt136(int256 value) internal pure returns (int136 downcasted) {
        downcasted = int136(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(136, value);
        }
    }

    /**
     * @dev Returns the downcasted int128 from int256, reverting on
     * overflow (when the input is less than smallest int128 or
     * greater than largest int128).
     *
     * Counterpart to Solidity's `int128` operator.
     *
     * Requirements:
     *
     * - input must fit into 128 bits
     */
    function toInt128(int256 value) internal pure returns (int128 downcasted) {
        downcasted = int128(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(128, value);
        }
    }

    /**
     * @dev Returns the downcasted int120 from int256, reverting on
     * overflow (when the input is less than smallest int120 or
     * greater than largest int120).
     *
     * Counterpart to Solidity's `int120` operator.
     *
     * Requirements:
     *
     * - input must fit into 120 bits
     */
    function toInt120(int256 value) internal pure returns (int120 downcasted) {
        downcasted = int120(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(120, value);
        }
    }

    /**
     * @dev Returns the downcasted int112 from int256, reverting on
     * overflow (when the input is less than smallest int112 or
     * greater than largest int112).
     *
     * Counterpart to Solidity's `int112` operator.
     *
     * Requirements:
     *
     * - input must fit into 112 bits
     */
    function toInt112(int256 value) internal pure returns (int112 downcasted) {
        downcasted = int112(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(112, value);
        }
    }

    /**
     * @dev Returns the downcasted int104 from int256, reverting on
     * overflow (when the input is less than smallest int104 or
     * greater than largest int104).
     *
     * Counterpart to Solidity's `int104` operator.
     *
     * Requirements:
     *
     * - input must fit into 104 bits
     */
    function toInt104(int256 value) internal pure returns (int104 downcasted) {
        downcasted = int104(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(104, value);
        }
    }

    /**
     * @dev Returns the downcasted int96 from int256, reverting on
     * overflow (when the input is less than smallest int96 or
     * greater than largest int96).
     *
     * Counterpart to Solidity's `int96` operator.
     *
     * Requirements:
     *
     * - input must fit into 96 bits
     */
    function toInt96(int256 value) internal pure returns (int96 downcasted) {
        downcasted = int96(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(96, value);
        }
    }

    /**
     * @dev Returns the downcasted int88 from int256, reverting on
     * overflow (when the input is less than smallest int88 or
     * greater than largest int88).
     *
     * Counterpart to Solidity's `int88` operator.
     *
     * Requirements:
     *
     * - input must fit into 88 bits
     */
    function toInt88(int256 value) internal pure returns (int88 downcasted) {
        downcasted = int88(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(88, value);
        }
    }

    /**
     * @dev Returns the downcasted int80 from int256, reverting on
     * overflow (when the input is less than smallest int80 or
     * greater than largest int80).
     *
     * Counterpart to Solidity's `int80` operator.
     *
     * Requirements:
     *
     * - input must fit into 80 bits
     */
    function toInt80(int256 value) internal pure returns (int80 downcasted) {
        downcasted = int80(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(80, value);
        }
    }

    /**
     * @dev Returns the downcasted int72 from int256, reverting on
     * overflow (when the input is less than smallest int72 or
     * greater than largest int72).
     *
     * Counterpart to Solidity's `int72` operator.
     *
     * Requirements:
     *
     * - input must fit into 72 bits
     */
    function toInt72(int256 value) internal pure returns (int72 downcasted) {
        downcasted = int72(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(72, value);
        }
    }

    /**
     * @dev Returns the downcasted int64 from int256, reverting on
     * overflow (when the input is less than smallest int64 or
     * greater than largest int64).
     *
     * Counterpart to Solidity's `int64` operator.
     *
     * Requirements:
     *
     * - input must fit into 64 bits
     */
    function toInt64(int256 value) internal pure returns (int64 downcasted) {
        downcasted = int64(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(64, value);
        }
    }

    /**
     * @dev Returns the downcasted int56 from int256, reverting on
     * overflow (when the input is less than smallest int56 or
     * greater than largest int56).
     *
     * Counterpart to Solidity's `int56` operator.
     *
     * Requirements:
     *
     * - input must fit into 56 bits
     */
    function toInt56(int256 value) internal pure returns (int56 downcasted) {
        downcasted = int56(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(56, value);
        }
    }

    /**
     * @dev Returns the downcasted int48 from int256, reverting on
     * overflow (when the input is less than smallest int48 or
     * greater than largest int48).
     *
     * Counterpart to Solidity's `int48` operator.
     *
     * Requirements:
     *
     * - input must fit into 48 bits
     */
    function toInt48(int256 value) internal pure returns (int48 downcasted) {
        downcasted = int48(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(48, value);
        }
    }

    /**
     * @dev Returns the downcasted int40 from int256, reverting on
     * overflow (when the input is less than smallest int40 or
     * greater than largest int40).
     *
     * Counterpart to Solidity's `int40` operator.
     *
     * Requirements:
     *
     * - input must fit into 40 bits
     */
    function toInt40(int256 value) internal pure returns (int40 downcasted) {
        downcasted = int40(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(40, value);
        }
    }

    /**
     * @dev Returns the downcasted int32 from int256, reverting on
     * overflow (when the input is less than smallest int32 or
     * greater than largest int32).
     *
     * Counterpart to Solidity's `int32` operator.
     *
     * Requirements:
     *
     * - input must fit into 32 bits
     */
    function toInt32(int256 value) internal pure returns (int32 downcasted) {
        downcasted = int32(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(32, value);
        }
    }

    /**
     * @dev Returns the downcasted int24 from int256, reverting on
     * overflow (when the input is less than smallest int24 or
     * greater than largest int24).
     *
     * Counterpart to Solidity's `int24` operator.
     *
     * Requirements:
     *
     * - input must fit into 24 bits
     */
    function toInt24(int256 value) internal pure returns (int24 downcasted) {
        downcasted = int24(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(24, value);
        }
    }

    /**
     * @dev Returns the downcasted int16 from int256, reverting on
     * overflow (when the input is less than smallest int16 or
     * greater than largest int16).
     *
     * Counterpart to Solidity's `int16` operator.
     *
     * Requirements:
     *
     * - input must fit into 16 bits
     */
    function toInt16(int256 value) internal pure returns (int16 downcasted) {
        downcasted = int16(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(16, value);
        }
    }

    /**
     * @dev Returns the downcasted int8 from int256, reverting on
     * overflow (when the input is less than smallest int8 or
     * greater than largest int8).
     *
     * Counterpart to Solidity's `int8` operator.
     *
     * Requirements:
     *
     * - input must fit into 8 bits
     */
    function toInt8(int256 value) internal pure returns (int8 downcasted) {
        downcasted = int8(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(8, value);
        }
    }

    /**
     * @dev Converts an unsigned uint256 into a signed int256.
     *
     * Requirements:
     *
     * - input must be less than or equal to maxInt256.
     */
    function toInt256(uint256 value) internal pure returns (int256) {
        // Note: Unsafe cast below is okay because `type(int256).max` is guaranteed to be positive
        if (value > uint256(type(int256).max)) {
            revert SafeCastOverflowedUintToInt(value);
        }
        return int256(value);
    }

    /**
     * @dev Cast a boolean (false or true) to a uint256 (0 or 1) with no jump.
     */
    function toUint(bool b) internal pure returns (uint256 u) {
        assembly ("memory-safe") {
            u := iszero(iszero(b))
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (utils/introspection/IERC165.sol)

pragma solidity ^0.8.20;

/**
 * @dev Interface of the ERC-165 standard, as defined in the
 * https://eips.ethereum.org/EIPS/eip-165[ERC].
 *
 * Implementers can declare support of contract interfaces, which can then be
 * queried by others ({ERC165Checker}).
 *
 * For an implementation, see {ERC165}.
 */
interface IERC165 {
    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[ERC section]
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30 000 gas.
     */
    function supportsInterface(bytes4 interfaceId) external view returns (bool);
}

{
  "remappings": [
    "ds-test/=node_modules/ds-test/src/",
    "forge-std/=lib/forge-std/src/",
    "@chainlink/=lib/chainlink/contracts/",
    "@openzeppelin/contracts/=lib/openzeppelin-contracts-upgradeable/lib/openzeppelin-contracts/contracts/",
    "@openzeppelin/contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/contracts/",
    "contracts/=src/contracts/",
    "interfaces/=src/interfaces/",
    "chainlink/=lib/chainlink/",
    "erc4626-tests/=lib/openzeppelin-contracts-upgradeable/lib/erc4626-tests/",
    "halmos-cheatcodes/=lib/openzeppelin-contracts-upgradeable/lib/halmos-cheatcodes/src/",
    "openzeppelin-contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/",
    "openzeppelin-upgrades/=lib/openzeppelin-upgrades/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 10000
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "ipfs",
    "appendCBOR": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "shanghai",
  "viaIR": false,
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"_repository","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"ActionPaused","type":"error"},{"inputs":[],"name":"BorrowerNotMaker","type":"error"},{"inputs":[],"name":"DifferentArrayLength","type":"error"},{"inputs":[],"name":"DuplicateAsset","type":"error"},{"inputs":[],"name":"LiquidationNotSuccessful","type":"error"},{"inputs":[],"name":"MaxSupplyLimitExceeded","type":"error"},{"inputs":[],"name":"MaximumLTVReached","type":"error"},{"inputs":[],"name":"NotEnoughDeposits","type":"error"},{"inputs":[],"name":"NotEnoughLiquidity","type":"error"},{"inputs":[],"name":"NotSolvent","type":"error"},{"inputs":[],"name":"OnlyRepository","type":"error"},{"inputs":[],"name":"OnlySettlement","type":"error"},{"inputs":[],"name":"ReentrancyGuardReentrantCall","type":"error"},{"inputs":[{"internalType":"address","name":"token","type":"address"}],"name":"SafeERC20FailedOperation","type":"error"},{"inputs":[],"name":"UnsupportedLTVType","type":"error"},{"inputs":[],"name":"ZeroRepay","type":"error"},{"inputs":[],"name":"ZeroWithdraw","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"asset","type":"address"},{"indexed":false,"internalType":"address","name":"collateralToken","type":"address"},{"indexed":false,"internalType":"address","name":"lockedCollateralToken","type":"address"},{"indexed":false,"internalType":"address","name":"debtToken","type":"address"}],"name":"AssetAdded","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"asset","type":"address"},{"indexed":true,"internalType":"address","name":"borrower","type":"address"},{"indexed":false,"internalType":"address","name":"receiver","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"debtShare","type":"uint256"}],"name":"Borrow","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"asset","type":"address"},{"indexed":false,"internalType":"address","name":"receiver","type":"address"},{"indexed":false,"internalType":"uint256","name":"harvestedFees","type":"uint256"}],"name":"HarvestProtocolFees","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":true,"internalType":"address","name":"liquidator","type":"address"}],"name":"Liquidation","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"asset","type":"address"},{"indexed":true,"internalType":"address","name":"borrower","type":"address"},{"indexed":false,"internalType":"address","name":"repayer","type":"address"},{"indexed":false,"internalType":"uint256","name":"repayAmount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"repayShare","type":"uint256"}],"name":"Repay","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"asset","type":"address"},{"indexed":false,"internalType":"address","name":"depositor","type":"address"},{"indexed":true,"internalType":"address","name":"receiver","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"mintedShares","type":"uint256"},{"indexed":true,"internalType":"bool","name":"lockedCollateral","type":"bool"}],"name":"SupplyCollateral","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"asset","type":"address"},{"indexed":true,"internalType":"address","name":"depositor","type":"address"},{"indexed":false,"internalType":"uint256","name":"withdrawnAmount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"collateralShare","type":"uint256"},{"indexed":true,"internalType":"bool","name":"lockedCollateral","type":"bool"}],"name":"WithdrawCollateral","type":"event"},{"inputs":[{"internalType":"address","name":"_asset","type":"address"}],"name":"accrueInterest","outputs":[{"internalType":"uint256","name":"accruedInterest","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract IUtilityTokensFactory","name":"tokensFactory","type":"address"},{"internalType":"address[]","name":"newAssets","type":"address[]"}],"name":"addAssets","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_asset","type":"address"}],"name":"assetUtilizationData","outputs":[{"components":[{"internalType":"uint256","name":"totalDeposits","type":"uint256"},{"internalType":"uint256","name":"totalBorrowAmount","type":"uint256"},{"internalType":"uint256","name":"interestTimestamp","type":"uint256"}],"internalType":"struct ILendingPool.AssetUtilizationData","name":"data","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"asset","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"borrow","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"asset","type":"address"},{"internalType":"address","name":"borrower","type":"address"},{"internalType":"address","name":"source","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"address","name":"tradeAsset","type":"address"},{"internalType":"uint256","name":"tradeAmount","type":"uint256"}],"name":"borrowFor","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"asset","type":"address"},{"internalType":"address","name":"borrower","type":"address"},{"internalType":"address","name":"receiver","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"borrowFor","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"asset","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"bool","name":"fromLockedCollateral","type":"bool"}],"name":"convertCollateral","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_asset","type":"address"}],"name":"getAssetState","outputs":[{"components":[{"internalType":"contract ICollateralToken","name":"collateralToken","type":"address"},{"internalType":"contract ICollateralToken","name":"lockedCollateralToken","type":"address"},{"internalType":"contract IDebtToken","name":"debtToken","type":"address"},{"internalType":"uint256","name":"totalDeposits","type":"uint256"},{"internalType":"uint256","name":"totalLockedDeposits","type":"uint256"},{"internalType":"uint256","name":"totalBorrowAmount","type":"uint256"}],"internalType":"struct ILendingPool.AssetState","name":"","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getAssetsWithState","outputs":[{"internalType":"address[]","name":"assets","type":"address[]"},{"components":[{"internalType":"contract ICollateralToken","name":"collateralToken","type":"address"},{"internalType":"contract ICollateralToken","name":"lockedCollateralToken","type":"address"},{"internalType":"contract IDebtToken","name":"debtToken","type":"address"},{"internalType":"uint256","name":"totalDeposits","type":"uint256"},{"internalType":"uint256","name":"totalLockedDeposits","type":"uint256"},{"internalType":"uint256","name":"totalBorrowAmount","type":"uint256"}],"internalType":"struct ILendingPool.AssetState[]","name":"assetsState","type":"tuple[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_user","type":"address"}],"name":"getUserLTV","outputs":[{"internalType":"uint256","name":"userLTV","type":"uint256"},{"internalType":"uint256","name":"liquidationThreshold","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_asset","type":"address"},{"internalType":"bool","name":"_lockedCollateral","type":"bool"}],"name":"getWithdrawAssetData","outputs":[{"internalType":"uint256","name":"assetTotalDeposits","type":"uint256"},{"internalType":"contract ICollateralToken","name":"collateralToken","type":"address"},{"internalType":"uint256","name":"availableLiquidity","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"harvestProtocolFees","outputs":[{"internalType":"uint256[]","name":"harvestedAmounts","type":"uint256[]"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_asset","type":"address"}],"name":"interestData","outputs":[{"components":[{"internalType":"uint256","name":"protocolFees","type":"uint256"},{"internalType":"uint256","name":"harvestedProtocolFees","type":"uint256"},{"internalType":"uint256","name":"interestTimestamp","type":"uint256"}],"internalType":"struct ILendingPool.AssetInterestData","name":"","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_user","type":"address"}],"name":"isSolvent","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_user","type":"address"},{"components":[{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"address","name":"asset","type":"address"}],"internalType":"struct ILendingPool.LiquidateParams[]","name":"_withdrawalParams","type":"tuple[]"},{"components":[{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"address","name":"asset","type":"address"}],"internalType":"struct ILendingPool.LiquidateParams[]","name":"_repayParams","type":"tuple[]"},{"internalType":"bytes","name":"_receiverData","type":"bytes"}],"name":"liquidate","outputs":[{"components":[{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"address","name":"asset","type":"address"}],"internalType":"struct ILendingPool.LiquidateParams[]","name":"receivedCollaterals","type":"tuple[]"},{"components":[{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"address","name":"asset","type":"address"}],"internalType":"struct ILendingPool.LiquidateParams[]","name":"shareAmountsToRepay","type":"tuple[]"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_asset","type":"address"}],"name":"liquidity","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_fromAsset","type":"address"},{"internalType":"address","name":"_toAsset","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"uint256","name":"_minReceiveQuantity","type":"uint256"},{"internalType":"bool","name":"_lockedCollateral","type":"bool"},{"internalType":"bool","name":"_isExactOutput","type":"bool"}],"name":"rebalance","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"asset","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"repay","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"asset","type":"address"},{"internalType":"address","name":"borrower","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"repayFor","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"repository","outputs":[{"internalType":"contract IRepository","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"asset","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"bool","name":"lockedCollateral","type":"bool"}],"name":"supply","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"asset","type":"address"},{"internalType":"address","name":"receiver","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"bool","name":"lockedCollateral","type":"bool"}],"name":"supplyFor","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"asset","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"bool","name":"lockedCollateral","type":"bool"}],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"asset","type":"address"},{"internalType":"address","name":"depositor","type":"address"},{"internalType":"address","name":"receiver","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"bool","name":"lockedCollateral","type":"bool"}],"name":"withdrawFor","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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