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

import {IPool} from 'aave-v3-core/contracts/interfaces/IPool.sol';
import {DataTypes, ReserveConfiguration} from 'aave-v3-core/contracts/protocol/libraries/configuration/ReserveConfiguration.sol';
import {IScaledBalanceToken} from 'aave-v3-core/contracts/interfaces/IScaledBalanceToken.sol';
import {IRewardsController} from 'aave-v3-periphery/contracts/rewards/interfaces/IRewardsController.sol';
import {WadRayMath} from 'aave-v3-core/contracts/protocol/libraries/math/WadRayMath.sol';
import {MathUtils} from 'aave-v3-core/contracts/protocol/libraries/math/MathUtils.sol';
import {SafeCast} from 'openzeppelin-contracts/contracts/utils/math/SafeCast.sol';
import {Initializable} from 'solidity-utils/contracts/transparent-proxy/Initializable.sol';
import {SafeERC20} from 'solidity-utils/contracts/oz-common/SafeERC20.sol';
import {IERC20Metadata} from 'solidity-utils/contracts/oz-common/interfaces/IERC20Metadata.sol';
import {IERC20} from 'solidity-utils/contracts/oz-common/interfaces/IERC20.sol';
import {IERC20WithPermit} from 'solidity-utils/contracts/oz-common/interfaces/IERC20WithPermit.sol';

import {IStaticATokenLM} from './interfaces/IStaticATokenLM.sol';
import {IAToken} from './interfaces/IAToken.sol';
import {ERC20} from './ERC20.sol';
import {IInitializableStaticATokenLM} from './interfaces/IInitializableStaticATokenLM.sol';
import {StaticATokenErrors} from './StaticATokenErrors.sol';
import {RayMathExplicitRounding, Rounding} from './RayMathExplicitRounding.sol';
import {IERC4626} from './interfaces/IERC4626.sol';

/**
 * @title StaticATokenLM
 * @notice Wrapper smart contract that allows to deposit tokens on the Aave protocol and receive
 * a token which balance doesn't increase automatically, but uses an ever-increasing exchange rate.
 * It supports claiming liquidity mining rewards from the Aave system.
 * @author BGD labs
 */
contract StaticATokenLM is
  Initializable,
  ERC20('STATIC__aToken_IMPL', 'STATIC__aToken_IMPL', 18),
  IStaticATokenLM,
  IERC4626
{
  using SafeERC20 for IERC20;
  using SafeCast for uint256;
  using WadRayMath for uint256;
  using RayMathExplicitRounding for uint256;

  bytes32 public constant METADEPOSIT_TYPEHASH =
    keccak256(
      'Deposit(address depositor,address receiver,uint256 value,uint16 referralCode,bool fromUnderlying,uint256 nonce,uint256 deadline,PermitParams permit)'
    );
  bytes32 public constant METAWITHDRAWAL_TYPEHASH =
    keccak256(
      'Withdraw(address owner,address receiver,uint256 staticAmount,uint256 dynamicAmount,bool toUnderlying,uint256 nonce,uint256 deadline)'
    );

  uint256 public constant STATIC__ATOKEN_LM_REVISION = 1;

  IPool public immutable POOL;
  IRewardsController public immutable INCENTIVES_CONTROLLER;

  IERC20 internal _aToken;
  address internal _aTokenUnderlying;
  address[] internal _rewardTokens;
  mapping(address => RewardIndexCache) internal _startIndex;
  mapping(address => mapping(address => UserRewardsData)) internal _userRewardsData;

  constructor(IPool pool, IRewardsController rewardsController) {
    POOL = pool;
    INCENTIVES_CONTROLLER = rewardsController;
  }

  ///@inheritdoc IInitializableStaticATokenLM
  function initialize(
    address newAToken,
    string calldata staticATokenName,
    string calldata staticATokenSymbol
  ) external initializer {
    require(IAToken(newAToken).POOL() == address(POOL));
    _aToken = IERC20(newAToken);

    name = staticATokenName;
    symbol = staticATokenSymbol;
    decimals = IERC20Metadata(newAToken).decimals();

    _aTokenUnderlying = IAToken(newAToken).UNDERLYING_ASSET_ADDRESS();
    IERC20(_aTokenUnderlying).safeApprove(address(POOL), type(uint256).max);

    if (INCENTIVES_CONTROLLER != IRewardsController(address(0))) {
      refreshRewardTokens();
    }

    emit Initialized(newAToken, staticATokenName, staticATokenSymbol);
  }

  ///@inheritdoc IStaticATokenLM
  function refreshRewardTokens() public override {
    address[] memory rewards = INCENTIVES_CONTROLLER.getRewardsByAsset(address(_aToken));
    for (uint256 i = 0; i < rewards.length; i++) {
      _registerRewardToken(rewards[i]);
    }
  }

  ///@inheritdoc IStaticATokenLM
  function isRegisteredRewardToken(address reward) public view override returns (bool) {
    return _startIndex[reward].isRegistered;
  }

  ///@inheritdoc IStaticATokenLM
  function deposit(
    uint256 assets,
    address receiver,
    uint16 referralCode,
    bool fromUnderlying
  ) external returns (uint256) {
    return _deposit(msg.sender, receiver, assets, referralCode, fromUnderlying);
  }

  ///@inheritdoc IStaticATokenLM
  function metaDeposit(
    address depositor,
    address receiver,
    uint256 value,
    uint16 referralCode,
    bool fromUnderlying,
    uint256 deadline,
    PermitParams calldata permit,
    SignatureParams calldata sigParams
  ) external returns (uint256) {
    require(depositor != address(0), StaticATokenErrors.INVALID_DEPOSITOR);
    //solium-disable-next-line
    require(deadline >= block.timestamp, StaticATokenErrors.INVALID_EXPIRATION);
    uint256 nonce = nonces[depositor];

    // Unchecked because the only math done is incrementing
    // the owner's nonce which cannot realistically overflow.
    unchecked {
      bytes32 digest = keccak256(
        abi.encodePacked(
          '\x19\x01',
          DOMAIN_SEPARATOR(),
          keccak256(
            abi.encode(
              METADEPOSIT_TYPEHASH,
              depositor,
              receiver,
              value,
              referralCode,
              fromUnderlying,
              nonce,
              deadline,
              permit
            )
          )
        )
      );
      nonces[depositor] = nonce + 1;
      require(
        depositor == ecrecover(digest, sigParams.v, sigParams.r, sigParams.s),
        StaticATokenErrors.INVALID_SIGNATURE
      );
    }
    // assume if deadline 0 no permit was supplied
    if (permit.deadline != 0) {
      IERC20WithPermit(fromUnderlying ? address(_aTokenUnderlying) : address(_aToken)).permit(
        depositor,
        address(this),
        permit.value,
        permit.deadline,
        permit.v,
        permit.r,
        permit.s
      );
    }
    return _deposit(depositor, receiver, value, referralCode, fromUnderlying);
  }

  ///@inheritdoc IStaticATokenLM
  function metaWithdraw(
    address owner,
    address receiver,
    uint256 staticAmount,
    uint256 dynamicAmount,
    bool toUnderlying,
    uint256 deadline,
    SignatureParams calldata sigParams
  ) external returns (uint256, uint256) {
    require(owner != address(0), StaticATokenErrors.INVALID_OWNER);
    //solium-disable-next-line
    require(deadline >= block.timestamp, StaticATokenErrors.INVALID_EXPIRATION);
    uint256 nonce = nonces[owner];
    // Unchecked because the only math done is incrementing
    // the owner's nonce which cannot realistically overflow.
    unchecked {
      bytes32 digest = keccak256(
        abi.encodePacked(
          '\x19\x01',
          DOMAIN_SEPARATOR(),
          keccak256(
            abi.encode(
              METAWITHDRAWAL_TYPEHASH,
              owner,
              receiver,
              staticAmount,
              dynamicAmount,
              toUnderlying,
              nonce,
              deadline
            )
          )
        )
      );
      nonces[owner] = nonce + 1;
      require(
        owner == ecrecover(digest, sigParams.v, sigParams.r, sigParams.s),
        StaticATokenErrors.INVALID_SIGNATURE
      );
    }
    return _withdraw(owner, receiver, staticAmount, dynamicAmount, toUnderlying);
  }

  ///@inheritdoc IERC4626
  function previewRedeem(uint256 shares) public view virtual returns (uint256) {
    return _convertToAssets(shares, Rounding.DOWN);
  }

  ///@inheritdoc IERC4626
  function previewMint(uint256 shares) public view virtual returns (uint256) {
    return _convertToAssets(shares, Rounding.UP);
  }

  ///@inheritdoc IERC4626
  function previewWithdraw(uint256 assets) public view virtual returns (uint256) {
    return _convertToShares(assets, Rounding.UP);
  }

  ///@inheritdoc IERC4626
  function previewDeposit(uint256 assets) public view virtual returns (uint256) {
    return _convertToShares(assets, Rounding.DOWN);
  }

  ///@inheritdoc IStaticATokenLM
  function rate() public view returns (uint256) {
    return POOL.getReserveNormalizedIncome(_aTokenUnderlying);
  }

  ///@inheritdoc IStaticATokenLM
  function collectAndUpdateRewards(address reward) public returns (uint256) {
    if (reward == address(0)) {
      return 0;
    }

    address[] memory assets = new address[](1);
    assets[0] = address(_aToken);

    return INCENTIVES_CONTROLLER.claimRewards(assets, type(uint256).max, address(this), reward);
  }

  ///@inheritdoc IStaticATokenLM
  function claimRewardsOnBehalf(
    address onBehalfOf,
    address receiver,
    address[] memory rewards
  ) external {
    require(
      msg.sender == onBehalfOf || msg.sender == INCENTIVES_CONTROLLER.getClaimer(onBehalfOf),
      StaticATokenErrors.INVALID_CLAIMER
    );
    _claimRewardsOnBehalf(onBehalfOf, receiver, rewards);
  }

  ///@inheritdoc IStaticATokenLM
  function claimRewards(address receiver, address[] memory rewards) external {
    _claimRewardsOnBehalf(msg.sender, receiver, rewards);
  }

  ///@inheritdoc IStaticATokenLM
  function claimRewardsToSelf(address[] memory rewards) external {
    _claimRewardsOnBehalf(msg.sender, msg.sender, rewards);
  }

  ///@inheritdoc IStaticATokenLM
  function getCurrentRewardsIndex(address reward) public view returns (uint256) {
    if (address(reward) == address(0)) {
      return 0;
    }
    (, uint256 nextIndex) = INCENTIVES_CONTROLLER.getAssetIndex(address(_aToken), reward);
    return nextIndex;
  }

  ///@inheritdoc IStaticATokenLM
  function getTotalClaimableRewards(address reward) external view returns (uint256) {
    if (reward == address(0)) {
      return 0;
    }

    address[] memory assets = new address[](1);
    assets[0] = address(_aToken);
    uint256 freshRewards = INCENTIVES_CONTROLLER.getUserRewards(assets, address(this), reward);
    return IERC20(reward).balanceOf(address(this)) + freshRewards;
  }

  ///@inheritdoc IStaticATokenLM
  function getClaimableRewards(address user, address reward) external view returns (uint256) {
    return _getClaimableRewards(user, reward, balanceOf[user], getCurrentRewardsIndex(reward));
  }

  ///@inheritdoc IStaticATokenLM
  function getUnclaimedRewards(address user, address reward) external view returns (uint256) {
    return _userRewardsData[user][reward].unclaimedRewards;
  }

  ///@inheritdoc IERC4626
  function asset() external view returns (address) {
    return address(_aToken);
  }

  ///@inheritdoc IStaticATokenLM
  function aToken() external view returns (IERC20) {
    return _aToken;
  }

  ///@inheritdoc IStaticATokenLM
  function aTokenUnderlying() external view returns (IERC20) {
    return IERC20(_aTokenUnderlying);
  }

  ///@inheritdoc IStaticATokenLM
  function rewardTokens() external view returns (address[] memory) {
    return _rewardTokens;
  }

  ///@inheritdoc IERC4626
  function totalAssets() external view returns (uint256) {
    return _aToken.balanceOf(address(this));
  }

  ///@inheritdoc IERC4626
  function convertToShares(uint256 assets) external view returns (uint256) {
    return _convertToShares(assets, Rounding.DOWN);
  }

  ///@inheritdoc IERC4626
  function convertToAssets(uint256 shares) external view returns (uint256) {
    return _convertToAssets(shares, Rounding.DOWN);
  }

  ///@inheritdoc IERC4626
  function maxDeposit(address) public view virtual returns (uint256) {
    return type(uint256).max;
  }

  ///@inheritdoc IERC4626
  function maxMint(address) public view virtual returns (uint256) {
    return type(uint256).max;
  }

  ///@inheritdoc IERC4626
  function maxWithdraw(address owner) public view virtual returns (uint256) {
    return _convertToAssets(balanceOf[owner], Rounding.DOWN);
  }

  ///@inheritdoc IERC4626
  function maxRedeem(address owner) public view virtual returns (uint256) {
    return balanceOf[owner];
  }

  ///@inheritdoc IStaticATokenLM
  function maxRedeemUnderlying(address owner) external view virtual returns (uint256) {
    address cachedATokenUnderlying = _aTokenUnderlying;
    DataTypes.ReserveData memory reserveData = POOL.getReserveData(cachedATokenUnderlying);

    // if paused or inactive users cannot withdraw underlying
    if (
      !ReserveConfiguration.getActive(reserveData.configuration) ||
      ReserveConfiguration.getPaused(reserveData.configuration)
    ) {
      return 0;
    }

    // otherwise users can withdraw up to the available amount
    uint256 underlyingTokenBalanceInShares = _convertToShares(
      IERC20(cachedATokenUnderlying).balanceOf(reserveData.aTokenAddress),
      Rounding.DOWN
    );
    uint256 cachedUserBalance = balanceOf[owner];
    return
      underlyingTokenBalanceInShares >= cachedUserBalance
        ? cachedUserBalance
        : underlyingTokenBalanceInShares;
  }

  ///@inheritdoc IStaticATokenLM
  function maxDepositUnderlying(address) external view virtual returns (uint256) {
    DataTypes.ReserveData memory reserveData = POOL.getReserveData(_aTokenUnderlying);

    // if inactive, paused or frozen users cannot deposit underlying
    if (
      !ReserveConfiguration.getActive(reserveData.configuration) ||
      ReserveConfiguration.getPaused(reserveData.configuration) ||
      ReserveConfiguration.getFrozen(reserveData.configuration)
    ) {
      return 0;
    }

    uint256 supplyCap = ReserveConfiguration.getSupplyCap(reserveData.configuration) *
      (10 ** ReserveConfiguration.getDecimals(reserveData.configuration));
    // if no supply cap deposit is unlimited
    if (supplyCap == 0) return type(uint256).max;
    // return remaining supply cap margin
    uint256 currentSupply = (IAToken(reserveData.aTokenAddress).scaledTotalSupply() +
      reserveData.accruedToTreasury).rayMulRoundUp(_getNormalizedIncome(reserveData));
    return currentSupply > supplyCap ? 0 : supplyCap - currentSupply;
  }

  ///@inheritdoc IERC4626
  function deposit(uint256 assets, address receiver) external virtual returns (uint256) {
    return _deposit(msg.sender, receiver, assets, 0, false);
  }

  ///@inheritdoc IERC4626
  function mint(uint256 shares, address receiver) external virtual returns (uint256) {
    require(shares != 0, StaticATokenErrors.INVALID_ZERO_AMOUNT);
    require(shares <= maxMint(receiver), 'ERC4626: mint more than max');

    uint256 assets = previewMint(shares);
    _deposit(msg.sender, receiver, assets, 0, false);

    return assets;
  }

  ///@inheritdoc IERC4626
  function withdraw(
    uint256 assets,
    address receiver,
    address owner
  ) external virtual returns (uint256) {
    require(assets <= maxWithdraw(owner), 'ERC4626: withdraw more than max');

    (uint256 shares, ) = _withdraw(owner, receiver, 0, assets, false);

    return shares;
  }

  ///@inheritdoc IERC4626
  function redeem(
    uint256 shares,
    address receiver,
    address owner
  ) external virtual returns (uint256) {
    require(shares <= maxRedeem(owner), 'ERC4626: redeem more than max');

    (, uint256 assets) = _withdraw(owner, receiver, shares, 0, false);

    return assets;
  }

  ///@inheritdoc IStaticATokenLM
  function redeem(
    uint256 shares,
    address receiver,
    address owner,
    bool toUnderlying
  ) external virtual returns (uint256, uint256) {
    require(shares <= maxRedeem(owner), 'ERC4626: redeem more than max');

    return _withdraw(owner, receiver, shares, 0, toUnderlying);
  }

  function _deposit(
    address depositor,
    address receiver,
    uint256 assets,
    uint16 referralCode,
    bool fromUnderlying
  ) internal returns (uint256) {
    require(receiver != address(0), StaticATokenErrors.INVALID_RECIPIENT);
    uint256 shares = previewDeposit(assets);
    require(shares != 0, StaticATokenErrors.INVALID_ZERO_AMOUNT);

    if (fromUnderlying) {
      address cachedATokenUnderlying = _aTokenUnderlying;
      IERC20(cachedATokenUnderlying).safeTransferFrom(depositor, address(this), assets);
      POOL.deposit(cachedATokenUnderlying, assets, address(this), referralCode);
    } else {
      _aToken.safeTransferFrom(depositor, address(this), assets);
    }

    _mint(receiver, shares);

    emit Deposit(depositor, receiver, assets, shares);

    return shares;
  }

  function _withdraw(
    address owner,
    address receiver,
    uint256 staticAmount,
    uint256 dynamicAmount,
    bool toUnderlying
  ) internal returns (uint256, uint256) {
    require(receiver != address(0), StaticATokenErrors.INVALID_RECIPIENT);
    require(
      staticAmount == 0 || dynamicAmount == 0,
      StaticATokenErrors.ONLY_ONE_AMOUNT_FORMAT_ALLOWED
    );
    require(staticAmount != dynamicAmount, StaticATokenErrors.INVALID_ZERO_AMOUNT);

    uint256 amountToWithdraw = dynamicAmount;
    uint256 shares = staticAmount;

    if (staticAmount > 0) {
      amountToWithdraw = previewRedeem(staticAmount);
    } else {
      shares = previewWithdraw(dynamicAmount);
    }

    if (msg.sender != owner) {
      uint256 allowed = allowance[owner][msg.sender]; // Saves gas for limited approvals.

      if (allowed != type(uint256).max) allowance[owner][msg.sender] = allowed - shares;
    }

    _burn(owner, shares);

    emit Withdraw(msg.sender, receiver, owner, amountToWithdraw, shares);

    if (toUnderlying) {
      POOL.withdraw(_aTokenUnderlying, amountToWithdraw, receiver);
    } else {
      _aToken.safeTransfer(receiver, amountToWithdraw);
    }

    return (shares, amountToWithdraw);
  }

  /**
   * @notice Updates rewards for senders and receiver in a transfer (not updating rewards for address(0))
   * @param from The address of the sender of tokens
   * @param to The address of the receiver of tokens
   */
  function _beforeTokenTransfer(address from, address to, uint256) internal override {
    for (uint256 i = 0; i < _rewardTokens.length; i++) {
      address rewardToken = address(_rewardTokens[i]);
      uint256 rewardsIndex = getCurrentRewardsIndex(rewardToken);
      if (from != address(0)) {
        _updateUser(from, rewardsIndex, rewardToken);
      }
      if (to != address(0) && from != to) {
        _updateUser(to, rewardsIndex, rewardToken);
      }
    }
  }

  /**
   * @notice Adding the pending rewards to the unclaimed for specific user and updating user index
   * @param user The address of the user to update
   * @param currentRewardsIndex The current rewardIndex
   * @param rewardToken The address of the reward token
   */
  function _updateUser(address user, uint256 currentRewardsIndex, address rewardToken) internal {
    uint256 balance = balanceOf[user];
    if (balance > 0) {
      _userRewardsData[user][rewardToken].unclaimedRewards = _getClaimableRewards(
        user,
        rewardToken,
        balance,
        currentRewardsIndex
      ).toUint128();
    }
    _userRewardsData[user][rewardToken].rewardsIndexOnLastInteraction = currentRewardsIndex
      .toUint128();
  }

  /**
   * @notice Compute the pending in WAD. Pending is the amount to add (not yet unclaimed) rewards in WAD.
   * @param balance The balance of the user
   * @param rewardsIndexOnLastInteraction The index which was on the last interaction of the user
   * @param currentRewardsIndex The current rewards index in the system
   * @param assetUnit One unit of asset (10**decimals)
   * @return The amount of pending rewards in WAD
   */
  function _getPendingRewards(
    uint256 balance,
    uint256 rewardsIndexOnLastInteraction,
    uint256 currentRewardsIndex,
    uint256 assetUnit
  ) internal pure returns (uint256) {
    if (balance == 0) {
      return 0;
    }
    return (balance * (currentRewardsIndex - rewardsIndexOnLastInteraction)) / assetUnit;
  }

  /**
   * @notice Compute the claimable rewards for a user
   * @param user The address of the user
   * @param reward The address of the reward
   * @param balance The balance of the user in WAD
   * @param currentRewardsIndex The current rewards index
   * @return The total rewards that can be claimed by the user (if `fresh` flag true, after updating rewards)
   */
  function _getClaimableRewards(
    address user,
    address reward,
    uint256 balance,
    uint256 currentRewardsIndex
  ) internal view returns (uint256) {
    RewardIndexCache memory rewardsIndexCache = _startIndex[reward];
    require(rewardsIndexCache.isRegistered == true, StaticATokenErrors.REWARD_NOT_INITIALIZED);
    UserRewardsData memory currentUserRewardsData = _userRewardsData[user][reward];
    uint256 assetUnit = 10 ** decimals;
    return
      currentUserRewardsData.unclaimedRewards +
      _getPendingRewards(
        balance,
        currentUserRewardsData.rewardsIndexOnLastInteraction == 0
          ? rewardsIndexCache.lastUpdatedIndex
          : currentUserRewardsData.rewardsIndexOnLastInteraction,
        currentRewardsIndex,
        assetUnit
      );
  }

  /**
   * @notice Claim rewards on behalf of a user and send them to a receiver
   * @param onBehalfOf The address to claim on behalf of
   * @param rewards The addresses of the rewards
   * @param receiver The address to receive the rewards
   */
  function _claimRewardsOnBehalf(
    address onBehalfOf,
    address receiver,
    address[] memory rewards
  ) internal {
    for (uint256 i = 0; i < rewards.length; i++) {
      if (address(rewards[i]) == address(0)) {
        continue;
      }
      uint256 currentRewardsIndex = getCurrentRewardsIndex(rewards[i]);
      uint256 balance = balanceOf[onBehalfOf];
      uint256 userReward = _getClaimableRewards(
        onBehalfOf,
        rewards[i],
        balance,
        currentRewardsIndex
      );
      uint256 totalRewardTokenBalance = IERC20(rewards[i]).balanceOf(address(this));
      uint256 unclaimedReward = 0;

      if (userReward > totalRewardTokenBalance) {
        totalRewardTokenBalance += collectAndUpdateRewards(address(rewards[i]));
      }

      if (userReward > totalRewardTokenBalance) {
        unclaimedReward = userReward - totalRewardTokenBalance;
        userReward = totalRewardTokenBalance;
      }
      if (userReward > 0) {
        _userRewardsData[onBehalfOf][rewards[i]].unclaimedRewards = unclaimedReward.toUint128();
        _userRewardsData[onBehalfOf][rewards[i]].rewardsIndexOnLastInteraction = currentRewardsIndex
          .toUint128();
        IERC20(rewards[i]).safeTransfer(receiver, userReward);
      }
    }
  }

  function _convertToShares(uint256 assets, Rounding rounding) internal view returns (uint256) {
    if (rounding == Rounding.UP) return assets.rayDivRoundUp(rate());
    return assets.rayDivRoundDown(rate());
  }

  function _convertToAssets(uint256 shares, Rounding rounding) internal view returns (uint256) {
    if (rounding == Rounding.UP) return shares.rayMulRoundUp(rate());
    return shares.rayMulRoundDown(rate());
  }

  /**
   * @notice Initializes a new rewardToken
   * @param reward The reward token to be registered
   */
  function _registerRewardToken(address reward) internal {
    if (isRegisteredRewardToken(reward)) return;
    uint256 startIndex = getCurrentRewardsIndex(reward);

    _rewardTokens.push(reward);
    _startIndex[reward] = RewardIndexCache(true, startIndex.toUint240());

    emit RewardTokenRegistered(reward, startIndex);
  }

  /**
   * Copy of https://github.com/aave/aave-v3-core/blob/29ff9b9f89af7cd8255231bc5faf26c3ce0fb7ce/contracts/protocol/libraries/logic/ReserveLogic.sol#L47 with memory instead of calldata
   * @notice Returns the ongoing normalized income for the reserve.
   * @dev A value of 1e27 means there is no income. As time passes, the income is accrued
   * @dev A value of 2*1e27 means for each unit of asset one unit of income has been accrued
   * @param reserve The reserve object
   * @return The normalized income, expressed in ray
   */
  function _getNormalizedIncome(
    DataTypes.ReserveData memory reserve
  ) internal view returns (uint256) {
    uint40 timestamp = reserve.lastUpdateTimestamp;

    //solium-disable-next-line
    if (timestamp == block.timestamp) {
      //if the index was updated in the same block, no need to perform any calculation
      return reserve.liquidityIndex;
    } else {
      return
        MathUtils.calculateLinearInterest(reserve.currentLiquidityRate, timestamp).rayMul(
          reserve.liquidityIndex
        );
    }
  }
}

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

/**
 * @title ReserveConfiguration library
 * @author Aave
 * @notice Implements the bitmap logic to handle the reserve configuration
 */
library ReserveConfiguration {
  uint256 internal constant LTV_MASK =                       0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF0000; // prettier-ignore
  uint256 internal constant LIQUIDATION_THRESHOLD_MASK =     0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF0000FFFF; // prettier-ignore
  uint256 internal constant LIQUIDATION_BONUS_MASK =         0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF0000FFFFFFFF; // prettier-ignore
  uint256 internal constant DECIMALS_MASK =                  0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00FFFFFFFFFFFF; // prettier-ignore
  uint256 internal constant ACTIVE_MASK =                    0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFF; // prettier-ignore
  uint256 internal constant FROZEN_MASK =                    0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFDFFFFFFFFFFFFFF; // prettier-ignore
  uint256 internal constant BORROWING_MASK =                 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFBFFFFFFFFFFFFFF; // prettier-ignore
  uint256 internal constant STABLE_BORROWING_MASK =          0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF7FFFFFFFFFFFFFF; // prettier-ignore
  uint256 internal constant PAUSED_MASK =                    0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFF; // prettier-ignore
  uint256 internal constant BORROWABLE_IN_ISOLATION_MASK =   0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFDFFFFFFFFFFFFFFF; // prettier-ignore
  uint256 internal constant SILOED_BORROWING_MASK =          0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFBFFFFFFFFFFFFFFF; // prettier-ignore
  uint256 internal constant FLASHLOAN_ENABLED_MASK =         0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF7FFFFFFFFFFFFFFF; // prettier-ignore
  uint256 internal constant RESERVE_FACTOR_MASK =            0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF0000FFFFFFFFFFFFFFFF; // prettier-ignore
  uint256 internal constant BORROW_CAP_MASK =                0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF000000000FFFFFFFFFFFFFFFFFFFF; // prettier-ignore
  uint256 internal constant SUPPLY_CAP_MASK =                0xFFFFFFFFFFFFFFFFFFFFFFFFFF000000000FFFFFFFFFFFFFFFFFFFFFFFFFFFFF; // prettier-ignore
  uint256 internal constant LIQUIDATION_PROTOCOL_FEE_MASK =  0xFFFFFFFFFFFFFFFFFFFFFF0000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF; // prettier-ignore
  uint256 internal constant EMODE_CATEGORY_MASK =            0xFFFFFFFFFFFFFFFFFFFF00FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF; // prettier-ignore
  uint256 internal constant UNBACKED_MINT_CAP_MASK =         0xFFFFFFFFFFF000000000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF; // prettier-ignore
  uint256 internal constant DEBT_CEILING_MASK =              0xF0000000000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF; // prettier-ignore

  /// @dev For the LTV, the start bit is 0 (up to 15), hence no bitshifting is needed
  uint256 internal constant LIQUIDATION_THRESHOLD_START_BIT_POSITION = 16;
  uint256 internal constant LIQUIDATION_BONUS_START_BIT_POSITION = 32;
  uint256 internal constant RESERVE_DECIMALS_START_BIT_POSITION = 48;
  uint256 internal constant IS_ACTIVE_START_BIT_POSITION = 56;
  uint256 internal constant IS_FROZEN_START_BIT_POSITION = 57;
  uint256 internal constant BORROWING_ENABLED_START_BIT_POSITION = 58;
  uint256 internal constant STABLE_BORROWING_ENABLED_START_BIT_POSITION = 59;
  uint256 internal constant IS_PAUSED_START_BIT_POSITION = 60;
  uint256 internal constant BORROWABLE_IN_ISOLATION_START_BIT_POSITION = 61;
  uint256 internal constant SILOED_BORROWING_START_BIT_POSITION = 62;
  uint256 internal constant FLASHLOAN_ENABLED_START_BIT_POSITION = 63;
  uint256 internal constant RESERVE_FACTOR_START_BIT_POSITION = 64;
  uint256 internal constant BORROW_CAP_START_BIT_POSITION = 80;
  uint256 internal constant SUPPLY_CAP_START_BIT_POSITION = 116;
  uint256 internal constant LIQUIDATION_PROTOCOL_FEE_START_BIT_POSITION = 152;
  uint256 internal constant EMODE_CATEGORY_START_BIT_POSITION = 168;
  uint256 internal constant UNBACKED_MINT_CAP_START_BIT_POSITION = 176;
  uint256 internal constant DEBT_CEILING_START_BIT_POSITION = 212;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  /**
   * @notice Sets the borrowable in isolation flag for the reserve.
   * @dev When this flag is set to true, the asset will be borrowable against isolated collaterals and the borrowed
   * amount will be accumulated in the isolated collateral's total debt exposure.
   * @dev Only assets of the same family (eg USD stablecoins) should be borrowable in isolation mode to keep
   * consistency in the debt ceiling calculations.
   * @param self The reserve configuration
   * @param borrowable True if the asset is borrowable
   */
  function setBorrowableInIsolation(DataTypes.ReserveConfigurationMap memory self, bool borrowable)
    internal
    pure
  {
    self.data =
      (self.data & BORROWABLE_IN_ISOLATION_MASK) |
      (uint256(borrowable ? 1 : 0) << BORROWABLE_IN_ISOLATION_START_BIT_POSITION);
  }

  /**
   * @notice Gets the borrowable in isolation flag for the reserve.
   * @dev If the returned flag is true, the asset is borrowable against isolated collateral. Assets borrowed with
   * isolated collateral is accounted for in the isolated collateral's total debt exposure.
   * @dev Only assets of the same family (eg USD stablecoins) should be borrowable in isolation mode to keep
   * consistency in the debt ceiling calculations.
   * @param self The reserve configuration
   * @return The borrowable in isolation flag
   */
  function getBorrowableInIsolation(DataTypes.ReserveConfigurationMap memory self)
    internal
    pure
    returns (bool)
  {
    return (self.data & ~BORROWABLE_IN_ISOLATION_MASK) != 0;
  }

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  /**
   * @notice Sets the debt ceiling in isolation mode for the asset
   * @param self The reserve configuration
   * @param ceiling The maximum debt ceiling for the asset
   */
  function setDebtCeiling(DataTypes.ReserveConfigurationMap memory self, uint256 ceiling)
    internal
    pure
  {
    require(ceiling <= MAX_VALID_DEBT_CEILING, Errors.INVALID_DEBT_CEILING);

    self.data = (self.data & DEBT_CEILING_MASK) | (ceiling << DEBT_CEILING_START_BIT_POSITION);
  }

  /**
   * @notice Gets the debt ceiling for the asset if the asset is in isolation mode
   * @param self The reserve configuration
   * @return The debt ceiling (0 = isolation mode disabled)
   */
  function getDebtCeiling(DataTypes.ReserveConfigurationMap memory self)
    internal
    pure
    returns (uint256)
  {
    return (self.data & ~DEBT_CEILING_MASK) >> DEBT_CEILING_START_BIT_POSITION;
  }

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

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

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

  /**
   * @notice Sets the unbacked mint cap of the reserve
   * @param self The reserve configuration
   * @param unbackedMintCap The unbacked mint cap
   */
  function setUnbackedMintCap(
    DataTypes.ReserveConfigurationMap memory self,
    uint256 unbackedMintCap
  ) internal pure {
    require(unbackedMintCap <= MAX_VALID_UNBACKED_MINT_CAP, Errors.INVALID_UNBACKED_MINT_CAP);

    self.data =
      (self.data & UNBACKED_MINT_CAP_MASK) |
      (unbackedMintCap << UNBACKED_MINT_CAP_START_BIT_POSITION);
  }

  /**
   * @dev Gets the unbacked mint cap of the reserve
   * @param self The reserve configuration
   * @return The unbacked mint cap
   */
  function getUnbackedMintCap(DataTypes.ReserveConfigurationMap memory self)
    internal
    pure
    returns (uint256)
  {
    return (self.data & ~UNBACKED_MINT_CAP_MASK) >> UNBACKED_MINT_CAP_START_BIT_POSITION;
  }

  /**
   * @notice Sets the eMode asset category
   * @param self The reserve configuration
   * @param category The asset category when the user selects the eMode
   */
  function setEModeCategory(DataTypes.ReserveConfigurationMap memory self, uint256 category)
    internal
    pure
  {
    require(category <= MAX_VALID_EMODE_CATEGORY, Errors.INVALID_EMODE_CATEGORY);

    self.data = (self.data & EMODE_CATEGORY_MASK) | (category << EMODE_CATEGORY_START_BIT_POSITION);
  }

  /**
   * @dev Gets the eMode asset category
   * @param self The reserve configuration
   * @return The eMode category for the asset
   */
  function getEModeCategory(DataTypes.ReserveConfigurationMap memory self)
    internal
    pure
    returns (uint256)
  {
    return (self.data & ~EMODE_CATEGORY_MASK) >> EMODE_CATEGORY_START_BIT_POSITION;
  }

  /**
   * @notice Sets the flashloanable flag for the reserve
   * @param self The reserve configuration
   * @param flashLoanEnabled True if the asset is flashloanable, false otherwise
   */
  function setFlashLoanEnabled(DataTypes.ReserveConfigurationMap memory self, bool flashLoanEnabled)
    internal
    pure
  {
    self.data =
      (self.data & FLASHLOAN_ENABLED_MASK) |
      (uint256(flashLoanEnabled ? 1 : 0) << FLASHLOAN_ENABLED_START_BIT_POSITION);
  }

  /**
   * @notice Gets the flashloanable flag for the reserve
   * @param self The reserve configuration
   * @return The flashloanable flag
   */
  function getFlashLoanEnabled(DataTypes.ReserveConfigurationMap memory self)
    internal
    pure
    returns (bool)
  {
    return (self.data & ~FLASHLOAN_ENABLED_MASK) != 0;
  }

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

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

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

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

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

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

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

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

  /**
   * @dev Emitted after the burn action
   * @dev If the burn function does not involve a transfer of the underlying asset, the target defaults to zero address
   * @param from The address from which the tokens will be burned
   * @param target The address that will receive the underlying, if any
   * @param value The scaled-up amount being burned (user entered amount - balance increase from interest)
   * @param balanceIncrease The increase in scaled-up balance since the last action of 'from'
   * @param index The next liquidity index of the reserve
   */
  event Burn(
    address indexed from,
    address indexed target,
    uint256 value,
    uint256 balanceIncrease,
    uint256 index
  );

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

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

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

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

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

import {IRewardsDistributor} from './IRewardsDistributor.sol';
import {ITransferStrategyBase} from './ITransferStrategyBase.sol';
import {IEACAggregatorProxy} from '../../misc/interfaces/IEACAggregatorProxy.sol';
import {RewardsDataTypes} from '../libraries/RewardsDataTypes.sol';

/**
 * @title IRewardsController
 * @author Aave
 * @notice Defines the basic interface for a Rewards Controller.
 */
interface IRewardsController is IRewardsDistributor {
  /**
   * @dev Emitted when a new address is whitelisted as claimer of rewards on behalf of a user
   * @param user The address of the user
   * @param claimer The address of the claimer
   */
  event ClaimerSet(address indexed user, address indexed claimer);

  /**
   * @dev Emitted when rewards are claimed
   * @param user The address of the user rewards has been claimed on behalf of
   * @param reward The address of the token reward is claimed
   * @param to The address of the receiver of the rewards
   * @param claimer The address of the claimer
   * @param amount The amount of rewards claimed
   */
  event RewardsClaimed(
    address indexed user,
    address indexed reward,
    address indexed to,
    address claimer,
    uint256 amount
  );

  /**
   * @dev Emitted when a transfer strategy is installed for the reward distribution
   * @param reward The address of the token reward
   * @param transferStrategy The address of TransferStrategy contract
   */
  event TransferStrategyInstalled(address indexed reward, address indexed transferStrategy);

  /**
   * @dev Emitted when the reward oracle is updated
   * @param reward The address of the token reward
   * @param rewardOracle The address of oracle
   */
  event RewardOracleUpdated(address indexed reward, address indexed rewardOracle);

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

  /**
   * @dev Sets a TransferStrategy logic contract that determines the logic of the rewards transfer
   * @param reward The address of the reward token
   * @param transferStrategy The address of the TransferStrategy logic contract
   */
  function setTransferStrategy(address reward, ITransferStrategyBase transferStrategy) external;

  /**
   * @dev Sets an Aave Oracle contract to enforce rewards with a source of value.
   * @notice At the moment of reward configuration, the Incentives Controller performs
   * a check to see if the reward asset oracle is compatible with IEACAggregator proxy.
   * This check is enforced for integrators to be able to show incentives at
   * the current Aave UI without the need to setup an external price registry
   * @param reward The address of the reward to set the price aggregator
   * @param rewardOracle The address of price aggregator that follows IEACAggregatorProxy interface
   */
  function setRewardOracle(address reward, IEACAggregatorProxy rewardOracle) external;

  /**
   * @dev Get the price aggregator oracle address
   * @param reward The address of the reward
   * @return The price oracle of the reward
   */
  function getRewardOracle(address reward) external view returns (address);

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

  /**
   * @dev Returns the Transfer Strategy implementation contract address being used for a reward address
   * @param reward The address of the reward
   * @return The address of the TransferStrategy contract
   */
  function getTransferStrategy(address reward) external view returns (address);

  /**
   * @dev Configure assets to incentivize with an emission of rewards per second until the end of distribution.
   * @param config The assets configuration input, the list of structs contains the following fields:
   *   uint104 emissionPerSecond: The emission per second following rewards unit decimals.
   *   uint256 totalSupply: The total supply of the asset to incentivize
   *   uint40 distributionEnd: The end of the distribution of the incentives for an asset
   *   address asset: The asset address to incentivize
   *   address reward: The reward token address
   *   ITransferStrategy transferStrategy: The TransferStrategy address with the install hook and claim logic.
   *   IEACAggregatorProxy rewardOracle: The Price Oracle of a reward to visualize the incentives at the UI Frontend.
   *                                     Must follow Chainlink Aggregator IEACAggregatorProxy interface to be compatible.
   */
  function configureAssets(RewardsDataTypes.RewardsConfigInput[] memory config) external;

  /**
   * @dev Called by the corresponding asset on transfer hook in order to update the rewards distribution.
   * @dev The units of `totalSupply` and `userBalance` should be the same.
   * @param user The address of the user whose asset balance has changed
   * @param totalSupply The total supply of the asset prior to user balance change
   * @param userBalance The previous user balance prior to balance change
   **/
  function handleAction(
    address user,
    uint256 totalSupply,
    uint256 userBalance
  ) external;

  /**
   * @dev Claims reward for a user to the desired address, on all the assets of the pool, accumulating the pending rewards
   * @param assets List of assets to check eligible distributions before claiming rewards
   * @param amount The amount of rewards to claim
   * @param to The address that will be receiving the rewards
   * @param reward The address of the reward token
   * @return The amount of rewards claimed
   **/
  function claimRewards(
    address[] calldata assets,
    uint256 amount,
    address to,
    address reward
  ) external returns (uint256);

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

  /**
   * @dev Claims reward for msg.sender, on all the assets of the pool, accumulating the pending rewards
   * @param assets The list of assets to check eligible distributions before claiming rewards
   * @param amount The amount of rewards to claim
   * @param reward The address of the reward token
   * @return The amount of rewards claimed
   **/
  function claimRewardsToSelf(
    address[] calldata assets,
    uint256 amount,
    address reward
  ) external returns (uint256);

  /**
   * @dev Claims all rewards for a user to the desired address, on all the assets of the pool, accumulating the pending rewards
   * @param assets The list of assets to check eligible distributions before claiming rewards
   * @param to The address that will be receiving the rewards
   * @return rewardsList List of addresses of the reward tokens
   * @return claimedAmounts List that contains the claimed amount per reward, following same order as "rewardList"
   **/
  function claimAllRewards(address[] calldata assets, address to)
    external
    returns (address[] memory rewardsList, uint256[] memory claimedAmounts);

  /**
   * @dev Claims all rewards for a user on behalf, on all the assets of the pool, accumulating the pending rewards. The caller must
   * be whitelisted via "allowClaimOnBehalf" function by the RewardsAdmin role manager
   * @param assets The list of assets to check eligible distributions before claiming rewards
   * @param user The address to check and claim rewards
   * @param to The address that will be receiving the rewards
   * @return rewardsList List of addresses of the reward tokens
   * @return claimedAmounts List that contains the claimed amount per reward, following same order as "rewardsList"
   **/
  function claimAllRewardsOnBehalf(
    address[] calldata assets,
    address user,
    address to
  ) external returns (address[] memory rewardsList, uint256[] memory claimedAmounts);

  /**
   * @dev Claims all reward for msg.sender, on all the assets of the pool, accumulating the pending rewards
   * @param assets The list of assets to check eligible distributions before claiming rewards
   * @return rewardsList List of addresses of the reward tokens
   * @return claimedAmounts List that contains the claimed amount per reward, following same order as "rewardsList"
   **/
  function claimAllRewardsToSelf(address[] calldata assets)
    external
    returns (address[] memory rewardsList, uint256[] memory claimedAmounts);
}

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

/**
 * @title WadRayMath library
 * @author Aave
 * @notice Provides functions to perform calculations with Wad and Ray units
 * @dev Provides mul and div function for wads (decimal numbers with 18 digits of precision) and rays (decimal numbers
 * with 27 digits of precision)
 * @dev Operations are rounded. If a value is >=.5, will be rounded up, otherwise rounded down.
 */
library WadRayMath {
  // HALF_WAD and HALF_RAY expressed with extended notation as constant with operations are not supported in Yul assembly
  uint256 internal constant WAD = 1e18;
  uint256 internal constant HALF_WAD = 0.5e18;

  uint256 internal constant RAY = 1e27;
  uint256 internal constant HALF_RAY = 0.5e27;

  uint256 internal constant WAD_RAY_RATIO = 1e9;

  /**
   * @dev Multiplies two wad, rounding half up to the nearest wad
   * @dev assembly optimized for improved gas savings, see https://twitter.com/transmissions11/status/1451131036377571328
   * @param a Wad
   * @param b Wad
   * @return c = a*b, in wad
   */
  function wadMul(uint256 a, uint256 b) internal pure returns (uint256 c) {
    // to avoid overflow, a <= (type(uint256).max - HALF_WAD) / b
    assembly {
      if iszero(or(iszero(b), iszero(gt(a, div(sub(not(0), HALF_WAD), b))))) {
        revert(0, 0)
      }

      c := div(add(mul(a, b), HALF_WAD), WAD)
    }
  }

  /**
   * @dev Divides two wad, rounding half up to the nearest wad
   * @dev assembly optimized for improved gas savings, see https://twitter.com/transmissions11/status/1451131036377571328
   * @param a Wad
   * @param b Wad
   * @return c = a/b, in wad
   */
  function wadDiv(uint256 a, uint256 b) internal pure returns (uint256 c) {
    // to avoid overflow, a <= (type(uint256).max - halfB) / WAD
    assembly {
      if or(iszero(b), iszero(iszero(gt(a, div(sub(not(0), div(b, 2)), WAD))))) {
        revert(0, 0)
      }

      c := div(add(mul(a, WAD), div(b, 2)), b)
    }
  }

  /**
   * @notice Multiplies two ray, rounding half up to the nearest ray
   * @dev assembly optimized for improved gas savings, see https://twitter.com/transmissions11/status/1451131036377571328
   * @param a Ray
   * @param b Ray
   * @return c = a raymul b
   */
  function rayMul(uint256 a, uint256 b) internal pure returns (uint256 c) {
    // to avoid overflow, a <= (type(uint256).max - HALF_RAY) / b
    assembly {
      if iszero(or(iszero(b), iszero(gt(a, div(sub(not(0), HALF_RAY), b))))) {
        revert(0, 0)
      }

      c := div(add(mul(a, b), HALF_RAY), RAY)
    }
  }

  /**
   * @notice Divides two ray, rounding half up to the nearest ray
   * @dev assembly optimized for improved gas savings, see https://twitter.com/transmissions11/status/1451131036377571328
   * @param a Ray
   * @param b Ray
   * @return c = a raydiv b
   */
  function rayDiv(uint256 a, uint256 b) internal pure returns (uint256 c) {
    // to avoid overflow, a <= (type(uint256).max - halfB) / RAY
    assembly {
      if or(iszero(b), iszero(iszero(gt(a, div(sub(not(0), div(b, 2)), RAY))))) {
        revert(0, 0)
      }

      c := div(add(mul(a, RAY), div(b, 2)), b)
    }
  }

  /**
   * @dev Casts ray down to wad
   * @dev assembly optimized for improved gas savings, see https://twitter.com/transmissions11/status/1451131036377571328
   * @param a Ray
   * @return b = a converted to wad, rounded half up to the nearest wad
   */
  function rayToWad(uint256 a) internal pure returns (uint256 b) {
    assembly {
      b := div(a, WAD_RAY_RATIO)
      let remainder := mod(a, WAD_RAY_RATIO)
      if iszero(lt(remainder, div(WAD_RAY_RATIO, 2))) {
        b := add(b, 1)
      }
    }
  }

  /**
   * @dev Converts wad up to ray
   * @dev assembly optimized for improved gas savings, see https://twitter.com/transmissions11/status/1451131036377571328
   * @param a Wad
   * @return b = a converted in ray
   */
  function wadToRay(uint256 a) internal pure returns (uint256 b) {
    // to avoid overflow, b/WAD_RAY_RATIO == a
    assembly {
      b := mul(a, WAD_RAY_RATIO)

      if iszero(eq(div(b, WAD_RAY_RATIO), a)) {
        revert(0, 0)
      }
    }
  }
}

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

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

/**
 * @title MathUtils library
 * @author Aave
 * @notice Provides functions to perform linear and compounded interest calculations
 */
library MathUtils {
  using WadRayMath for uint256;

  /// @dev Ignoring leap years
  uint256 internal constant SECONDS_PER_YEAR = 365 days;

  /**
   * @dev Function to calculate the interest accumulated using a linear interest rate formula
   * @param rate The interest rate, in ray
   * @param lastUpdateTimestamp The timestamp of the last update of the interest
   * @return The interest rate linearly accumulated during the timeDelta, in ray
   */
  function calculateLinearInterest(uint256 rate, uint40 lastUpdateTimestamp)
    internal
    view
    returns (uint256)
  {
    //solium-disable-next-line
    uint256 result = rate * (block.timestamp - uint256(lastUpdateTimestamp));
    unchecked {
      result = result / SECONDS_PER_YEAR;
    }

    return WadRayMath.RAY + result;
  }

  /**
   * @dev Function to calculate the interest using a compounded interest rate formula
   * To avoid expensive exponentiation, the calculation is performed using a binomial approximation:
   *
   *  (1+x)^n = 1+n*x+[n/2*(n-1)]*x^2+[n/6*(n-1)*(n-2)*x^3...
   *
   * The approximation slightly underpays liquidity providers and undercharges borrowers, with the advantage of great
   * gas cost reductions. The whitepaper contains reference to the approximation and a table showing the margin of
   * error per different time periods
   *
   * @param rate The interest rate, in ray
   * @param lastUpdateTimestamp The timestamp of the last update of the interest
   * @return The interest rate compounded during the timeDelta, in ray
   */
  function calculateCompoundedInterest(
    uint256 rate,
    uint40 lastUpdateTimestamp,
    uint256 currentTimestamp
  ) internal pure returns (uint256) {
    //solium-disable-next-line
    uint256 exp = currentTimestamp - uint256(lastUpdateTimestamp);

    if (exp == 0) {
      return WadRayMath.RAY;
    }

    uint256 expMinusOne;
    uint256 expMinusTwo;
    uint256 basePowerTwo;
    uint256 basePowerThree;
    unchecked {
      expMinusOne = exp - 1;

      expMinusTwo = exp > 2 ? exp - 2 : 0;

      basePowerTwo = rate.rayMul(rate) / (SECONDS_PER_YEAR * SECONDS_PER_YEAR);
      basePowerThree = basePowerTwo.rayMul(rate) / SECONDS_PER_YEAR;
    }

    uint256 secondTerm = exp * expMinusOne * basePowerTwo;
    unchecked {
      secondTerm /= 2;
    }
    uint256 thirdTerm = exp * expMinusOne * expMinusTwo * basePowerThree;
    unchecked {
      thirdTerm /= 6;
    }

    return WadRayMath.RAY + (rate * exp) / SECONDS_PER_YEAR + secondTerm + thirdTerm;
  }

  /**
   * @dev Calculates the compounded interest between the timestamp of the last update and the current block timestamp
   * @param rate The interest rate (in ray)
   * @param lastUpdateTimestamp The timestamp from which the interest accumulation needs to be calculated
   * @return The interest rate compounded between lastUpdateTimestamp and current block timestamp, in ray
   */
  function calculateCompoundedInterest(uint256 rate, uint40 lastUpdateTimestamp)
    internal
    view
    returns (uint256)
  {
    return calculateCompoundedInterest(rate, lastUpdateTimestamp, block.timestamp);
  }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/math/SafeCast.sol)
// This file was procedurally generated from scripts/generate/templates/SafeCast.js.

pragma solidity ^0.8.0;

/**
 * @dev Wrappers over Solidity's uintXX/intXX 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.
 *
 * Can be combined with {SafeMath} and {SignedSafeMath} to extend it to smaller types, by performing
 * all math on `uint256` and `int256` and then downcasting.
 */
library SafeCast {
    /**
     * @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
     *
     * _Available since v4.7._
     */
    function toUint248(uint256 value) internal pure returns (uint248) {
        require(value <= type(uint248).max, "SafeCast: value doesn't fit in 248 bits");
        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
     *
     * _Available since v4.7._
     */
    function toUint240(uint256 value) internal pure returns (uint240) {
        require(value <= type(uint240).max, "SafeCast: value doesn't fit in 240 bits");
        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
     *
     * _Available since v4.7._
     */
    function toUint232(uint256 value) internal pure returns (uint232) {
        require(value <= type(uint232).max, "SafeCast: value doesn't fit in 232 bits");
        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
     *
     * _Available since v4.2._
     */
    function toUint224(uint256 value) internal pure returns (uint224) {
        require(value <= type(uint224).max, "SafeCast: value doesn't fit in 224 bits");
        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
     *
     * _Available since v4.7._
     */
    function toUint216(uint256 value) internal pure returns (uint216) {
        require(value <= type(uint216).max, "SafeCast: value doesn't fit in 216 bits");
        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
     *
     * _Available since v4.7._
     */
    function toUint208(uint256 value) internal pure returns (uint208) {
        require(value <= type(uint208).max, "SafeCast: value doesn't fit in 208 bits");
        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
     *
     * _Available since v4.7._
     */
    function toUint200(uint256 value) internal pure returns (uint200) {
        require(value <= type(uint200).max, "SafeCast: value doesn't fit in 200 bits");
        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
     *
     * _Available since v4.7._
     */
    function toUint192(uint256 value) internal pure returns (uint192) {
        require(value <= type(uint192).max, "SafeCast: value doesn't fit in 192 bits");
        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
     *
     * _Available since v4.7._
     */
    function toUint184(uint256 value) internal pure returns (uint184) {
        require(value <= type(uint184).max, "SafeCast: value doesn't fit in 184 bits");
        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
     *
     * _Available since v4.7._
     */
    function toUint176(uint256 value) internal pure returns (uint176) {
        require(value <= type(uint176).max, "SafeCast: value doesn't fit in 176 bits");
        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
     *
     * _Available since v4.7._
     */
    function toUint168(uint256 value) internal pure returns (uint168) {
        require(value <= type(uint168).max, "SafeCast: value doesn't fit in 168 bits");
        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
     *
     * _Available since v4.7._
     */
    function toUint160(uint256 value) internal pure returns (uint160) {
        require(value <= type(uint160).max, "SafeCast: value doesn't fit in 160 bits");
        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
     *
     * _Available since v4.7._
     */
    function toUint152(uint256 value) internal pure returns (uint152) {
        require(value <= type(uint152).max, "SafeCast: value doesn't fit in 152 bits");
        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
     *
     * _Available since v4.7._
     */
    function toUint144(uint256 value) internal pure returns (uint144) {
        require(value <= type(uint144).max, "SafeCast: value doesn't fit in 144 bits");
        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
     *
     * _Available since v4.7._
     */
    function toUint136(uint256 value) internal pure returns (uint136) {
        require(value <= type(uint136).max, "SafeCast: value doesn't fit in 136 bits");
        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
     *
     * _Available since v2.5._
     */
    function toUint128(uint256 value) internal pure returns (uint128) {
        require(value <= type(uint128).max, "SafeCast: value doesn't fit in 128 bits");
        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
     *
     * _Available since v4.7._
     */
    function toUint120(uint256 value) internal pure returns (uint120) {
        require(value <= type(uint120).max, "SafeCast: value doesn't fit in 120 bits");
        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
     *
     * _Available since v4.7._
     */
    function toUint112(uint256 value) internal pure returns (uint112) {
        require(value <= type(uint112).max, "SafeCast: value doesn't fit in 112 bits");
        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
     *
     * _Available since v4.7._
     */
    function toUint104(uint256 value) internal pure returns (uint104) {
        require(value <= type(uint104).max, "SafeCast: value doesn't fit in 104 bits");
        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
     *
     * _Available since v4.2._
     */
    function toUint96(uint256 value) internal pure returns (uint96) {
        require(value <= type(uint96).max, "SafeCast: value doesn't fit in 96 bits");
        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
     *
     * _Available since v4.7._
     */
    function toUint88(uint256 value) internal pure returns (uint88) {
        require(value <= type(uint88).max, "SafeCast: value doesn't fit in 88 bits");
        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
     *
     * _Available since v4.7._
     */
    function toUint80(uint256 value) internal pure returns (uint80) {
        require(value <= type(uint80).max, "SafeCast: value doesn't fit in 80 bits");
        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
     *
     * _Available since v4.7._
     */
    function toUint72(uint256 value) internal pure returns (uint72) {
        require(value <= type(uint72).max, "SafeCast: value doesn't fit in 72 bits");
        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
     *
     * _Available since v2.5._
     */
    function toUint64(uint256 value) internal pure returns (uint64) {
        require(value <= type(uint64).max, "SafeCast: value doesn't fit in 64 bits");
        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
     *
     * _Available since v4.7._
     */
    function toUint56(uint256 value) internal pure returns (uint56) {
        require(value <= type(uint56).max, "SafeCast: value doesn't fit in 56 bits");
        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
     *
     * _Available since v4.7._
     */
    function toUint48(uint256 value) internal pure returns (uint48) {
        require(value <= type(uint48).max, "SafeCast: value doesn't fit in 48 bits");
        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
     *
     * _Available since v4.7._
     */
    function toUint40(uint256 value) internal pure returns (uint40) {
        require(value <= type(uint40).max, "SafeCast: value doesn't fit in 40 bits");
        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
     *
     * _Available since v2.5._
     */
    function toUint32(uint256 value) internal pure returns (uint32) {
        require(value <= type(uint32).max, "SafeCast: value doesn't fit in 32 bits");
        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
     *
     * _Available since v4.7._
     */
    function toUint24(uint256 value) internal pure returns (uint24) {
        require(value <= type(uint24).max, "SafeCast: value doesn't fit in 24 bits");
        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
     *
     * _Available since v2.5._
     */
    function toUint16(uint256 value) internal pure returns (uint16) {
        require(value <= type(uint16).max, "SafeCast: value doesn't fit in 16 bits");
        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
     *
     * _Available since v2.5._
     */
    function toUint8(uint256 value) internal pure returns (uint8) {
        require(value <= type(uint8).max, "SafeCast: value doesn't fit in 8 bits");
        return uint8(value);
    }

    /**
     * @dev Converts a signed int256 into an unsigned uint256.
     *
     * Requirements:
     *
     * - input must be greater than or equal to 0.
     *
     * _Available since v3.0._
     */
    function toUint256(int256 value) internal pure returns (uint256) {
        require(value >= 0, "SafeCast: value must be positive");
        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
     *
     * _Available since v4.7._
     */
    function toInt248(int256 value) internal pure returns (int248 downcasted) {
        downcasted = int248(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 248 bits");
    }

    /**
     * @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
     *
     * _Available since v4.7._
     */
    function toInt240(int256 value) internal pure returns (int240 downcasted) {
        downcasted = int240(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 240 bits");
    }

    /**
     * @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
     *
     * _Available since v4.7._
     */
    function toInt232(int256 value) internal pure returns (int232 downcasted) {
        downcasted = int232(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 232 bits");
    }

    /**
     * @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
     *
     * _Available since v4.7._
     */
    function toInt224(int256 value) internal pure returns (int224 downcasted) {
        downcasted = int224(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 224 bits");
    }

    /**
     * @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
     *
     * _Available since v4.7._
     */
    function toInt216(int256 value) internal pure returns (int216 downcasted) {
        downcasted = int216(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 216 bits");
    }

    /**
     * @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
     *
     * _Available since v4.7._
     */
    function toInt208(int256 value) internal pure returns (int208 downcasted) {
        downcasted = int208(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 208 bits");
    }

    /**
     * @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
     *
     * _Available since v4.7._
     */
    function toInt200(int256 value) internal pure returns (int200 downcasted) {
        downcasted = int200(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 200 bits");
    }

    /**
     * @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
     *
     * _Available since v4.7._
     */
    function toInt192(int256 value) internal pure returns (int192 downcasted) {
        downcasted = int192(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 192 bits");
    }

    /**
     * @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
     *
     * _Available since v4.7._
     */
    function toInt184(int256 value) internal pure returns (int184 downcasted) {
        downcasted = int184(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 184 bits");
    }

    /**
     * @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
     *
     * _Available since v4.7._
     */
    function toInt176(int256 value) internal pure returns (int176 downcasted) {
        downcasted = int176(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 176 bits");
    }

    /**
     * @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
     *
     * _Available since v4.7._
     */
    function toInt168(int256 value) internal pure returns (int168 downcasted) {
        downcasted = int168(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 168 bits");
    }

    /**
     * @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
     *
     * _Available since v4.7._
     */
    function toInt160(int256 value) internal pure returns (int160 downcasted) {
        downcasted = int160(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 160 bits");
    }

    /**
     * @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
     *
     * _Available since v4.7._
     */
    function toInt152(int256 value) internal pure returns (int152 downcasted) {
        downcasted = int152(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 152 bits");
    }

    /**
     * @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
     *
     * _Available since v4.7._
     */
    function toInt144(int256 value) internal pure returns (int144 downcasted) {
        downcasted = int144(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 144 bits");
    }

    /**
     * @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
     *
     * _Available since v4.7._
     */
    function toInt136(int256 value) internal pure returns (int136 downcasted) {
        downcasted = int136(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 136 bits");
    }

    /**
     * @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
     *
     * _Available since v3.1._
     */
    function toInt128(int256 value) internal pure returns (int128 downcasted) {
        downcasted = int128(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 128 bits");
    }

    /**
     * @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
     *
     * _Available since v4.7._
     */
    function toInt120(int256 value) internal pure returns (int120 downcasted) {
        downcasted = int120(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 120 bits");
    }

    /**
     * @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
     *
     * _Available since v4.7._
     */
    function toInt112(int256 value) internal pure returns (int112 downcasted) {
        downcasted = int112(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 112 bits");
    }

    /**
     * @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
     *
     * _Available since v4.7._
     */
    function toInt104(int256 value) internal pure returns (int104 downcasted) {
        downcasted = int104(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 104 bits");
    }

    /**
     * @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
     *
     * _Available since v4.7._
     */
    function toInt96(int256 value) internal pure returns (int96 downcasted) {
        downcasted = int96(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 96 bits");
    }

    /**
     * @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
     *
     * _Available since v4.7._
     */
    function toInt88(int256 value) internal pure returns (int88 downcasted) {
        downcasted = int88(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 88 bits");
    }

    /**
     * @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
     *
     * _Available since v4.7._
     */
    function toInt80(int256 value) internal pure returns (int80 downcasted) {
        downcasted = int80(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 80 bits");
    }

    /**
     * @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
     *
     * _Available since v4.7._
     */
    function toInt72(int256 value) internal pure returns (int72 downcasted) {
        downcasted = int72(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 72 bits");
    }

    /**
     * @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
     *
     * _Available since v3.1._
     */
    function toInt64(int256 value) internal pure returns (int64 downcasted) {
        downcasted = int64(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 64 bits");
    }

    /**
     * @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
     *
     * _Available since v4.7._
     */
    function toInt56(int256 value) internal pure returns (int56 downcasted) {
        downcasted = int56(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 56 bits");
    }

    /**
     * @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
     *
     * _Available since v4.7._
     */
    function toInt48(int256 value) internal pure returns (int48 downcasted) {
        downcasted = int48(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 48 bits");
    }

    /**
     * @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
     *
     * _Available since v4.7._
     */
    function toInt40(int256 value) internal pure returns (int40 downcasted) {
        downcasted = int40(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 40 bits");
    }

    /**
     * @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
     *
     * _Available since v3.1._
     */
    function toInt32(int256 value) internal pure returns (int32 downcasted) {
        downcasted = int32(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 32 bits");
    }

    /**
     * @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
     *
     * _Available since v4.7._
     */
    function toInt24(int256 value) internal pure returns (int24 downcasted) {
        downcasted = int24(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 24 bits");
    }

    /**
     * @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
     *
     * _Available since v3.1._
     */
    function toInt16(int256 value) internal pure returns (int16 downcasted) {
        downcasted = int16(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 16 bits");
    }

    /**
     * @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
     *
     * _Available since v3.1._
     */
    function toInt8(int256 value) internal pure returns (int8 downcasted) {
        downcasted = int8(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 8 bits");
    }

    /**
     * @dev Converts an unsigned uint256 into a signed int256.
     *
     * Requirements:
     *
     * - input must be less than or equal to maxInt256.
     *
     * _Available since v3.0._
     */
    function toInt256(uint256 value) internal pure returns (int256) {
        // Note: Unsafe cast below is okay because `type(int256).max` is guaranteed to be positive
        require(value <= uint256(type(int256).max), "SafeCast: value doesn't fit in an int256");
        return int256(value);
    }
}

// SPDX-License-Identifier: MIT

/**
 * @dev OpenZeppelin Contracts (last updated v4.7.0) (proxy/utils/Initializable.sol)
 * From https://github.com/OpenZeppelin/openzeppelin-contracts/tree/8b778fa20d6d76340c5fac1ed66c80273f05b95a
 *
 * BGD Labs adaptations:
 * - Added a constructor disabling initialization for implementation contracts
 * - Linting
 */

pragma solidity ^0.8.2;

import '../oz-common/Address.sol';

/**
 * @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed
 * behind a proxy. Since proxied contracts do not make use of a constructor, it's common to move constructor logic to an
 * external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer
 * function so it can only be called once. The {initializer} modifier provided by this contract will have this effect.
 *
 * The initialization functions use a version number. Once a version number is used, it is consumed and cannot be
 * reused. This mechanism prevents re-execution of each "step" but allows the creation of new initialization steps in
 * case an upgrade adds a module that needs to be initialized.
 *
 * For example:
 *
 * [.hljs-theme-light.nopadding]
 * ```
 * contract MyToken is ERC20Upgradeable {
 *     function initialize() initializer public {
 *         __ERC20_init("MyToken", "MTK");
 *     }
 * }
 * contract MyTokenV2 is MyToken, ERC20PermitUpgradeable {
 *     function initializeV2() reinitializer(2) public {
 *         __ERC20Permit_init("MyToken");
 *     }
 * }
 * ```
 *
 * TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as
 * possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}.
 *
 * CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure
 * that all initializers are idempotent. This is not verified automatically as constructors are by Solidity.
 *
 * [CAUTION]
 * ====
 * Avoid leaving a contract uninitialized.
 *
 * An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation
 * contract, which may impact the proxy. To prevent the implementation contract from being used, you should invoke
 * the {_disableInitializers} function in the constructor to automatically lock it when it is deployed:
 *
 * [.hljs-theme-light.nopadding]
 * ```
 * /// @custom:oz-upgrades-unsafe-allow constructor
 * constructor() {
 *     _disableInitializers();
 * }
 * ```
 * ====
 */
abstract contract Initializable {
  /**
   * @dev Indicates that the contract has been initialized.
   * @custom:oz-retyped-from bool
   */
  uint8 private _initialized;

  /**
   * @dev Indicates that the contract is in the process of being initialized.
   */
  bool private _initializing;

  /**
   * @dev Triggered when the contract has been initialized or reinitialized.
   */
  event Initialized(uint8 version);

  /**
   * @dev OPINIONATED. Generally is not a good practise to allow initialization of implementations
   */
  constructor() {
    _disableInitializers();
  }

  /**
   * @dev A modifier that defines a protected initializer function that can be invoked at most once. In its scope,
   * `onlyInitializing` functions can be used to initialize parent contracts. Equivalent to `reinitializer(1)`.
   */
  modifier initializer() {
    bool isTopLevelCall = !_initializing;
    require(
      (isTopLevelCall && _initialized < 1) ||
        (!Address.isContract(address(this)) && _initialized == 1),
      'Initializable: contract is already initialized'
    );
    _initialized = 1;
    if (isTopLevelCall) {
      _initializing = true;
    }
    _;
    if (isTopLevelCall) {
      _initializing = false;
      emit Initialized(1);
    }
  }

  /**
   * @dev A modifier that defines a protected reinitializer function that can be invoked at most once, and only if the
   * contract hasn't been initialized to a greater version before. In its scope, `onlyInitializing` functions can be
   * used to initialize parent contracts.
   *
   * `initializer` is equivalent to `reinitializer(1)`, so a reinitializer may be used after the original
   * initialization step. This is essential to configure modules that are added through upgrades and that require
   * initialization.
   *
   * Note that versions can jump in increments greater than 1; this implies that if multiple reinitializers coexist in
   * a contract, executing them in the right order is up to the developer or operator.
   */
  modifier reinitializer(uint8 version) {
    require(
      !_initializing && _initialized < version,
      'Initializable: contract is already initialized'
    );
    _initialized = version;
    _initializing = true;
    _;
    _initializing = false;
    emit Initialized(version);
  }

  /**
   * @dev Modifier to protect an initialization function so that it can only be invoked by functions with the
   * {initializer} and {reinitializer} modifiers, directly or indirectly.
   */
  modifier onlyInitializing() {
    require(_initializing, 'Initializable: contract is not initializing');
    _;
  }

  /**
   * @dev Locks the contract, preventing any future reinitialization. This cannot be part of an initializer call.
   * Calling this in the constructor of a contract will prevent that contract from being initialized or reinitialized
   * to any version. It is recommended to use this to lock implementation contracts that are designed to be called
   * through proxies.
   */
  function _disableInitializers() internal virtual {
    require(!_initializing, 'Initializable: contract is initializing');
    if (_initialized < type(uint8).max) {
      _initialized = type(uint8).max;
      emit Initialized(type(uint8).max);
    }
  }
}

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

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

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

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

    bytes memory returndata = address(token).functionCall(data, 'SafeERC20: low-level call failed');
    if (returndata.length > 0) {
      // Return data is optional
      require(abi.decode(returndata, (bool)), 'SafeERC20: ERC20 operation did not succeed');
    }
  }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/IERC20Metadata.sol)
// From commit https://github.com/OpenZeppelin/openzeppelin-contracts/commit/6bd6b76d1156e20e45d1016f355d154141c7e5b9

pragma solidity ^0.8.0;

import './IERC20.sol';

/**
 * @dev Interface for the optional metadata functions from the ERC20 standard.
 *
 * _Available since v4.1._
 */
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 v4.6.0) (token/ERC20/IERC20.sol)
// From commit https://github.com/OpenZeppelin/openzeppelin-contracts/commit/a035b235b4f2c9af4ba88edc4447f02e37f8d124

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
  /**
   * @dev Emitted when `value` tokens are moved from one account (`from`) to
   * another (`to`).
   *
   * Note that `value` may be zero.
   */
  event Transfer(address indexed from, address indexed to, uint256 value);

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

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

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

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

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

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

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

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

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

interface IERC20WithPermit is IERC20, IERC20Permit {}

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

import {IERC20} from 'solidity-utils/contracts/oz-common/interfaces/IERC20.sol';
import {IPool} from 'aave-v3-core/contracts/interfaces/IPool.sol';
import {IAaveIncentivesController} from 'aave-v3-core/contracts/interfaces/IAaveIncentivesController.sol';
import {IInitializableStaticATokenLM} from './IInitializableStaticATokenLM.sol';

interface IStaticATokenLM is IInitializableStaticATokenLM {
  struct SignatureParams {
    uint8 v;
    bytes32 r;
    bytes32 s;
  }

  struct PermitParams {
    address owner;
    address spender;
    uint256 value;
    uint256 deadline;
    uint8 v;
    bytes32 r;
    bytes32 s;
  }

  struct UserRewardsData {
    uint128 rewardsIndexOnLastInteraction; // (in RAYs)
    uint128 unclaimedRewards; // (in RAYs)
  }

  struct RewardIndexCache {
    bool isRegistered;
    uint248 lastUpdatedIndex;
  }

  event RewardTokenRegistered(address indexed reward, uint256 startIndex);

  /**
   * @notice Burns `amount` of static aToken, with receiver receiving the corresponding amount of `ASSET`
   * @param shares The amount to withdraw, in static balance of StaticAToken
   * @param receiver The address that will receive the amount of `ASSET` withdrawn from the Aave protocol
   * @param toUnderlying bool
   * - `true` for the receiver to get underlying tokens (e.g. USDC)
   * - `false` for the receiver to get aTokens (e.g. aUSDC)
   * @return amountToBurn: StaticATokens burnt, static balance
   * @return amountToWithdraw: underlying/aToken send to `receiver`, dynamic balance
   **/
  function redeem(
    uint256 shares,
    address receiver,
    address owner,
    bool toUnderlying
  ) external returns (uint256, uint256);

  /**
   * @notice Deposits `ASSET` in the Aave protocol and mints static aTokens to msg.sender
   * @param assets The amount of underlying `ASSET` to deposit (e.g. deposit of 100 USDC)
   * @param receiver The address that will receive the static aTokens
   * @param referralCode Code used to register the integrator originating the operation, for potential rewards.
   *   0 if the action is executed directly by the user, without any middle-man
   * @param fromUnderlying bool
   * - `true` if the msg.sender comes with underlying tokens (e.g. USDC)
   * - `false` if the msg.sender comes already with aTokens (e.g. aUSDC)
   * @return uint256 The amount of StaticAToken minted, static balance
   **/
  function deposit(
    uint256 assets,
    address receiver,
    uint16 referralCode,
    bool fromUnderlying
  ) external returns (uint256);

  /**
   * @notice Allows to deposit on Aave via meta-transaction
   * https://github.com/ethereum/EIPs/blob/8a34d644aacf0f9f8f00815307fd7dd5da07655f/EIPS/eip-2612.md
   * @param depositor Address from which the funds to deposit are going to be pulled
   * @param receiver Address that will receive the staticATokens, in the average case, same as the `depositor`
   * @param value The amount to deposit
   * @param referralCode Code used to register the integrator originating the operation, for potential rewards.
   *   0 if the action is executed directly by the user, without any middle-man
   * @param fromUnderlying bool
   * - `true` if the msg.sender comes with underlying tokens (e.g. USDC)
   * - `false` if the msg.sender comes already with aTokens (e.g. aUSDC)
   * @param deadline The deadline timestamp, type(uint256).max for max deadline
   * @param sigParams Signature params: v,r,s
   * @return uint256 The amount of StaticAToken minted, static balance
   */
  function metaDeposit(
    address depositor,
    address receiver,
    uint256 value,
    uint16 referralCode,
    bool fromUnderlying,
    uint256 deadline,
    PermitParams calldata permit,
    SignatureParams calldata sigParams
  ) external returns (uint256);

  /**
   * @notice Allows to withdraw from Aave via meta-transaction
   * https://github.com/ethereum/EIPs/blob/8a34d644aacf0f9f8f00815307fd7dd5da07655f/EIPS/eip-2612.md
   * @param owner Address owning the staticATokens
   * @param receiver Address that will receive the underlying withdrawn from Aave
   * @param staticAmount The amount of staticAToken to withdraw. If > 0, `dynamicAmount` needs to be 0
   * @param dynamicAmount The amount of underlying/aToken to withdraw. If > 0, `staticAmount` needs to be 0
   * @param toUnderlying bool
   * - `true` for the receiver to get underlying tokens (e.g. USDC)
   * - `false` for the receiver to get aTokens (e.g. aUSDC)
   * @param deadline The deadline timestamp, type(uint256).max for max deadline
   * @param sigParams Signature params: v,r,s
   * @return amountToBurn: StaticATokens burnt, static balance
   * @return amountToWithdraw: underlying/aToken send to `receiver`, dynamic balance
   */
  function metaWithdraw(
    address owner,
    address receiver,
    uint256 staticAmount,
    uint256 dynamicAmount,
    bool toUnderlying,
    uint256 deadline,
    SignatureParams calldata sigParams
  ) external returns (uint256, uint256);

  /**
   * @notice Returns the Aave liquidity index of the underlying aToken, denominated rate here
   * as it can be considered as an ever-increasing exchange rate
   * @return The liquidity index
   **/
  function rate() external view returns (uint256);

  /**
   * @notice Claims rewards from `INCENTIVES_CONTROLLER` and updates internal accounting of rewards.
   * @param reward The reward to claim
   * @return uint256 Amount collected
   */
  function collectAndUpdateRewards(address reward) external returns (uint256);

  /**
   * @notice Claim rewards on behalf of a user and send them to a receiver
   * @dev Only callable by if sender is onBehalfOf or sender is approved claimer
   * @param onBehalfOf The address to claim on behalf of
   * @param receiver The address to receive the rewards
   * @param rewards The rewards to claim
   */
  function claimRewardsOnBehalf(
    address onBehalfOf,
    address receiver,
    address[] memory rewards
  ) external;

  /**
   * @notice Claim rewards and send them to a receiver
   * @param receiver The address to receive the rewards
   * @param rewards The rewards to claim
   */
  function claimRewards(address receiver, address[] memory rewards) external;

  /**
   * @notice Claim rewards
   * @param rewards The rewards to claim
   */
  function claimRewardsToSelf(address[] memory rewards) external;

  /**
   * @notice Get the total claimable rewards of the contract.
   * @param reward The reward to claim
   * @return uint256 The current balance + pending rewards from the `_incentivesController`
   */
  function getTotalClaimableRewards(address reward) external view returns (uint256);

  /**
   * @notice Get the total claimable rewards for a user in WAD
   * @param user The address of the user
   * @param reward The reward to claim
   * @return uint256 The claimable amount of rewards in WAD
   */
  function getClaimableRewards(address user, address reward) external view returns (uint256);

  /**
   * @notice The unclaimed rewards for a user in WAD
   * @param user The address of the user
   * @param reward The reward to claim
   * @return uint256 The unclaimed amount of rewards in WAD
   */
  function getUnclaimedRewards(address user, address reward) external view returns (uint256);

  /**
   * @notice The underlying asset reward index in RAY
   * @param reward The reward to claim
   * @return uint256 The underlying asset reward index in RAY
   */
  function getCurrentRewardsIndex(address reward) external view returns (uint256);

  /**
   * @notice The aToken used inside the 4626 vault.
   * @return IERC20 The aToken IERC20.
   */
  function aToken() external view returns (IERC20);

  /**
   * @notice The underlying of the aToken used inside the 4626 vault.
   * @return IERC20 The aToken underlying IERC20.
   */
  function aTokenUnderlying() external view returns (IERC20);

  /**
   * @notice The IERC20s that are currently rewarded to addresses of the vault via LM on incentivescontroller.
   * @return IERC20 The IERC20s of the rewards.
   */
  function rewardTokens() external view returns (address[] memory);

  /**
   * @notice Fetches all rewardTokens from the incentivecontroller and registers the missing ones.
   */
  function refreshRewardTokens() external;

  /**
   * @notice Checks if the passed token is a registered reward.
   * @return bool signaling if token is a registered reward.
   */
  function isRegisteredRewardToken(address reward) external view returns (bool);

  /**
   * @dev Returns the maximum amount of the underlying aToken asset that can be deposited into the Vault for the receiver,
   * through a deposit call.
   * While deposit of aToken is not affected by aave pool configrations, deposit of the aTokenUnderlying will need to deposit to aave
   * so it is affected by current aave pool configuration.
   * Reference: https://github.com/aave/aave-v3-core/blob/29ff9b9f89af7cd8255231bc5faf26c3ce0fb7ce/contracts/protocol/libraries/logic/ValidationLogic.sol#L57
   * - MUST return a limited value if receiver is subject to some deposit limit.
   * - MUST return 2 ** 256 - 1 if there is no limit on the maximum amount of assets that may be deposited.
   * - MUST NOT revert.
   */
  function maxDepositUnderlying(address receiver) external view returns (uint256 maxAssets);

  /**
   * @dev Returns the maximum amount of Vault shares that can be redeemed from the owner balance in the Vault,
   * through a redeem call to the aToken underlying.
   * While redeem of aToken is not affected by aave pool configrations, redeeming of the aTokenUnderlying will need to redeem from aave
   * so it is affected by current aave pool configuration.
   * Reference: https://github.com/aave/aave-v3-core/blob/29ff9b9f89af7cd8255231bc5faf26c3ce0fb7ce/contracts/protocol/libraries/logic/ValidationLogic.sol#L87
   * - MUST return a limited value if owner is subject to some withdrawal limit or timelock.
   * - MUST return balanceOf(owner) if owner is not subject to any withdrawal limit or timelock.
   * - MUST NOT revert.
   */
  function maxRedeemUnderlying(address owner) external view returns (uint256 maxShares);
}

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

import {IAaveIncentivesController} from 'aave-v3-core/contracts/interfaces/IAaveIncentivesController.sol';

interface IAToken {
  function POOL() external view returns (address);

  function getIncentivesController() external view returns (address);

  function UNDERLYING_ASSET_ADDRESS() external view returns (address);

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

// SPDX-License-Identifier: AGPL-3.0-only
pragma solidity >=0.8.0;

/// @notice Modern and gas efficient ERC20 + EIP-2612 implementation.
/// @author Solmate (https://github.com/Rari-Capital/solmate/blob/main/src/tokens/ERC20.sol)
/// @author Modified from Uniswap (https://github.com/Uniswap/uniswap-v2-core/blob/master/contracts/UniswapV2ERC20.sol)
/// @dev Do not manually set balances without updating totalSupply, as the sum of all user balances must not exceed it.
abstract contract ERC20 {
  /* //////////////////////////////////////////////////////////////
                        EVENTS
  ////////////////////////////////////////////////////////////// */

  event Transfer(address indexed from, address indexed to, uint256 amount);

  event Approval(address indexed owner, address indexed spender, uint256 amount);

  /* //////////////////////////////////////////////////////////////
                        METADATA STORAGE
  ////////////////////////////////////////////////////////////// */

  string public name;

  string public symbol;

  uint8 public decimals;

  /* //////////////////////////////////////////////////////////////
                        ERC20 STORAGE
  ////////////////////////////////////////////////////////////// */

  uint256 public totalSupply;

  mapping(address => uint256) public balanceOf;

  mapping(address => mapping(address => uint256)) public allowance;

  /* //////////////////////////////////////////////////////////////
                        EIP-2612 STORAGE
  ////////////////////////////////////////////////////////////// */

  uint256 internal immutable INITIAL_CHAIN_ID;

  bytes32 internal immutable INITIAL_DOMAIN_SEPARATOR;

  mapping(address => uint256) public nonces;

  /* //////////////////////////////////////////////////////////////
                        CONSTRUCTOR
  ////////////////////////////////////////////////////////////// */

  constructor(string memory _name, string memory _symbol, uint8 _decimals) {
    name = _name;
    symbol = _symbol;
    decimals = _decimals;

    INITIAL_CHAIN_ID = block.chainid;
    INITIAL_DOMAIN_SEPARATOR = computeDomainSeparator();
  }

  /* //////////////////////////////////////////////////////////////
                        ERC20 LOGIC
  ////////////////////////////////////////////////////////////// */

  function approve(address spender, uint256 amount) public virtual returns (bool) {
    allowance[msg.sender][spender] = amount;

    emit Approval(msg.sender, spender, amount);

    return true;
  }

  function transfer(address to, uint256 amount) public virtual returns (bool) {
    _beforeTokenTransfer(msg.sender, to, amount);
    balanceOf[msg.sender] -= amount;

    // Cannot overflow because the sum of all user
    // balances can't exceed the max uint256 value.
    unchecked {
      balanceOf[to] += amount;
    }

    emit Transfer(msg.sender, to, amount);

    return true;
  }

  function transferFrom(address from, address to, uint256 amount) public virtual returns (bool) {
    _beforeTokenTransfer(from, to, amount);
    uint256 allowed = allowance[from][msg.sender]; // Saves gas for limited approvals.

    if (allowed != type(uint256).max) allowance[from][msg.sender] = allowed - amount;

    balanceOf[from] -= amount;

    // Cannot overflow because the sum of all user
    // balances can't exceed the max uint256 value.
    unchecked {
      balanceOf[to] += amount;
    }

    emit Transfer(from, to, amount);

    return true;
  }

  /* //////////////////////////////////////////////////////////////
                          EIP-2612 LOGIC
  ////////////////////////////////////////////////////////////// */

  function permit(
    address owner,
    address spender,
    uint256 value,
    uint256 deadline,
    uint8 v,
    bytes32 r,
    bytes32 s
  ) public virtual {
    require(deadline >= block.timestamp, 'PERMIT_DEADLINE_EXPIRED');

    // Unchecked because the only math done is incrementing
    // the owner's nonce which cannot realistically overflow.
    unchecked {
      address recoveredAddress = ecrecover(
        keccak256(
          abi.encodePacked(
            '\x19\x01',
            DOMAIN_SEPARATOR(),
            keccak256(
              abi.encode(
                keccak256(
                  'Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)'
                ),
                owner,
                spender,
                value,
                nonces[owner]++,
                deadline
              )
            )
          )
        ),
        v,
        r,
        s
      );

      require(recoveredAddress != address(0) && recoveredAddress == owner, 'INVALID_SIGNER');

      allowance[recoveredAddress][spender] = value;
    }

    emit Approval(owner, spender, value);
  }

  function DOMAIN_SEPARATOR() public view virtual returns (bytes32) {
    return block.chainid == INITIAL_CHAIN_ID ? INITIAL_DOMAIN_SEPARATOR : computeDomainSeparator();
  }

  function computeDomainSeparator() internal view virtual returns (bytes32) {
    return
      keccak256(
        abi.encode(
          keccak256(
            'EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)'
          ),
          keccak256(bytes(name)),
          keccak256('1'),
          block.chainid,
          address(this)
        )
      );
  }

  /* //////////////////////////////////////////////////////////////
                            INTERNAL MINT/BURN LOGIC
  ////////////////////////////////////////////////////////////// */

  function _mint(address to, uint256 amount) internal virtual {
    _beforeTokenTransfer(address(0), to, amount);
    totalSupply += amount;

    // Cannot overflow because the sum of all user
    // balances can't exceed the max uint256 value.
    unchecked {
      balanceOf[to] += amount;
    }

    emit Transfer(address(0), to, amount);
  }

  function _burn(address from, uint256 amount) internal virtual {
    _beforeTokenTransfer(from, address(0), amount);
    balanceOf[from] -= amount;

    // Cannot underflow because a user's balance
    // will never be larger than the total supply.
    unchecked {
      totalSupply -= amount;
    }

    emit Transfer(from, address(0), amount);
  }

  /**
   * @dev Hook that is called before any transfer of tokens. This includes
   * minting and burning.
   *
   * Calling conditions:
   *
   * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
   * will be to transferred to `to`.
   * - when `from` is zero, `amount` tokens will be minted for `to`.
   * - when `to` is zero, `amount` of ``from``'s tokens will be burned.
   * - `from` and `to` are never both zero.
   *
   * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
   */
  function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual {}
}

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

import {IPool} from 'aave-v3-core/contracts/interfaces/IPool.sol';
import {IAaveIncentivesController} from 'aave-v3-core/contracts/interfaces/IAaveIncentivesController.sol';

/**
 * @title IInitializableStaticATokenLM
 * @notice Interface for the initialize function on StaticATokenLM
 * @author Aave
 **/
interface IInitializableStaticATokenLM {
  /**
   * @dev Emitted when a StaticATokenLM is initialized
   * @param aToken The address of the underlying aToken (aWETH)
   * @param staticATokenName The name of the Static aToken
   * @param staticATokenSymbol The symbol of the Static aToken
   **/
  event Initialized(address indexed aToken, string staticATokenName, string staticATokenSymbol);

  /**
   * @dev Initializes the StaticATokenLM
   * @param aToken The address of the underlying aToken (aWETH)
   * @param staticATokenName The name of the Static aToken
   * @param staticATokenSymbol The symbol of the Static aToken
   */
  function initialize(
    address aToken,
    string calldata staticATokenName,
    string calldata staticATokenSymbol
  ) external;
}

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

library StaticATokenErrors {
  string public constant INVALID_OWNER = '1';
  string public constant INVALID_EXPIRATION = '2';
  string public constant INVALID_SIGNATURE = '3';
  string public constant INVALID_DEPOSITOR = '4';
  string public constant INVALID_RECIPIENT = '5';
  string public constant INVALID_CLAIMER = '6';
  string public constant ONLY_ONE_AMOUNT_FORMAT_ALLOWED = '7';
  string public constant INVALID_ZERO_AMOUNT = '8';
  string public constant REWARD_NOT_INITIALIZED = '9';
}

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

enum Rounding {
  UP,
  DOWN
}

/**
 * Simplified version of RayMath that instead of half-up rounding does explicit rounding in a specified direction.
 * This is needed to have a 4626 complient implementation, that always predictable rounds in favor of the vault / static a token.
 */
library RayMathExplicitRounding {
  uint256 internal constant RAY = 1e27;
  uint256 internal constant WAD_RAY_RATIO = 1e9;

  function rayMulRoundDown(uint256 a, uint256 b) internal pure returns (uint256) {
    if (a == 0 || b == 0) {
      return 0;
    }
    return (a * b) / RAY;
  }

  function rayMulRoundUp(uint256 a, uint256 b) internal pure returns (uint256) {
    if (a == 0 || b == 0) {
      return 0;
    }
    return ((a * b) + RAY - 1) / RAY;
  }

  function rayDivRoundDown(uint256 a, uint256 b) internal pure returns (uint256) {
    return (a * RAY) / b;
  }

  function rayDivRoundUp(uint256 a, uint256 b) internal pure returns (uint256) {
    return ((a * RAY) + b - 1) / b;
  }

  function rayToWadRoundDown(uint256 a) internal pure returns (uint256) {
    return a / WAD_RAY_RATIO;
  }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (interfaces/IERC4626.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC4626 "Tokenized Vault Standard", as defined in
 * https://eips.ethereum.org/EIPS/eip-4626[ERC-4626].
 *
 * _Available since v4.7._
 */
interface IERC4626 {
  event Deposit(address indexed sender, address indexed owner, uint256 assets, uint256 shares);

  event Withdraw(
    address indexed sender,
    address indexed receiver,
    address indexed owner,
    uint256 assets,
    uint256 shares
  );

  /**
   * @dev Returns the address of the underlying token used for the Vault for accounting, depositing, and withdrawing.
   *
   * - MUST be an ERC-20 token contract.
   * - MUST NOT revert.
   */
  function asset() external view returns (address assetTokenAddress);

  /**
   * @dev Returns the total amount of the underlying asset that is “managed” by Vault.
   *
   * - SHOULD include any compounding that occurs from yield.
   * - MUST be inclusive of any fees that are charged against assets in the Vault.
   * - MUST NOT revert.
   */
  function totalAssets() external view returns (uint256 totalManagedAssets);

  /**
   * @dev Returns the amount of shares that the Vault would exchange for the amount of assets provided, in an ideal
   * scenario where all the conditions are met.
   *
   * - MUST NOT be inclusive of any fees that are charged against assets in the Vault.
   * - MUST NOT show any variations depending on the caller.
   * - MUST NOT reflect slippage or other on-chain conditions, when performing the actual exchange.
   * - MUST NOT revert.
   *
   * NOTE: This calculation MAY NOT reflect the “per-user” price-per-share, and instead should reflect the
   * “average-user’s” price-per-share, meaning what the average user should expect to see when exchanging to and
   * from.
   */
  function convertToShares(uint256 assets) external view returns (uint256 shares);

  /**
   * @dev Returns the amount of assets that the Vault would exchange for the amount of shares provided, in an ideal
   * scenario where all the conditions are met.
   *
   * - MUST NOT be inclusive of any fees that are charged against assets in the Vault.
   * - MUST NOT show any variations depending on the caller.
   * - MUST NOT reflect slippage or other on-chain conditions, when performing the actual exchange.
   * - MUST NOT revert unless due to integer overflow caused by an unreasonably large input.
   *
   * NOTE: This calculation MAY NOT reflect the “per-user” price-per-share, and instead should reflect the
   * “average-user’s” price-per-share, meaning what the average user should expect to see when exchanging to and
   * from.
   */
  function convertToAssets(uint256 shares) external view returns (uint256 assets);

  /**
   * @dev Returns the maximum amount of the underlying asset that can be deposited into the Vault for the receiver,
   * through a deposit call.
   *
   * - MUST return a limited value if receiver is subject to some deposit limit.
   * - MUST return 2 ** 256 - 1 if there is no limit on the maximum amount of assets that may be deposited.
   * - MUST NOT revert unless due to integer overflow caused by an unreasonably large input.
   */
  function maxDeposit(address receiver) external view returns (uint256 maxAssets);

  /**
   * @dev Allows an on-chain or off-chain user to simulate the effects of their deposit at the current block, given
   * current on-chain conditions.
   *
   * - MUST return as close to and no more than the exact amount of Vault shares that would be minted in a deposit
   *   call in the same transaction. I.e. deposit should return the same or more shares as previewDeposit if called
   *   in the same transaction.
   * - MUST NOT account for deposit limits like those returned from maxDeposit and should always act as though the
   *   deposit would be accepted, regardless if the user has enough tokens approved, etc.
   * - MUST be inclusive of deposit fees. Integrators should be aware of the existence of deposit fees.
   * - MUST NOT revert.
   *
   * NOTE: any unfavorable discrepancy between convertToShares and previewDeposit SHOULD be considered slippage in
   * share price or some other type of condition, meaning the depositor will lose assets by depositing.
   */
  function previewDeposit(uint256 assets) external view returns (uint256 shares);

  /**
   * @dev Mints shares Vault shares to receiver by depositing exactly amount of underlying tokens.
   *
   * - MUST emit the Deposit event.
   * - MAY support an additional flow in which the underlying tokens are owned by the Vault contract before the
   *   deposit execution, and are accounted for during deposit.
   * - MUST revert if all of assets cannot be deposited (due to deposit limit being reached, slippage, the user not
   *   approving enough underlying tokens to the Vault contract, etc).
   *
   * NOTE: most implementations will require pre-approval of the Vault with the Vault’s underlying asset token.
   */
  function deposit(uint256 assets, address receiver) external returns (uint256 shares);

  /**
   * @dev Returns the maximum amount of the Vault shares that can be minted for the receiver, through a mint call.
   * - MUST return a limited value if receiver is subject to some mint limit.
   * - MUST return 2 ** 256 - 1 if there is no limit on the maximum amount of shares that may be minted.
   * - MUST NOT revert.
   */
  function maxMint(address receiver) external view returns (uint256 maxShares);

  /**
   * @dev Allows an on-chain or off-chain user to simulate the effects of their mint at the current block, given
   * current on-chain conditions.
   *
   * - MUST return as close to and no fewer than the exact amount of assets that would be deposited in a mint call
   *   in the same transaction. I.e. mint should return the same or fewer assets as previewMint if called in the
   *   same transaction.
   * - MUST NOT account for mint limits like those returned from maxMint and should always act as though the mint
   *   would be accepted, regardless if the user has enough tokens approved, etc.
   * - MUST be inclusive of deposit fees. Integrators should be aware of the existence of deposit fees.
   * - MUST NOT revert.
   *
   * NOTE: any unfavorable discrepancy between convertToAssets and previewMint SHOULD be considered slippage in
   * share price or some other type of condition, meaning the depositor will lose assets by minting.
   */
  function previewMint(uint256 shares) external view returns (uint256 assets);

  /**
   * @dev Mints exactly shares Vault shares to receiver by depositing amount of underlying tokens.
   *
   * - MUST emit the Deposit event.
   * - MAY support an additional flow in which the underlying tokens are owned by the Vault contract before the mint
   *   execution, and are accounted for during mint.
   * - MUST revert if all of shares cannot be minted (due to deposit limit being reached, slippage, the user not
   *   approving enough underlying tokens to the Vault contract, etc).
   *
   * NOTE: most implementations will require pre-approval of the Vault with the Vault’s underlying asset token.
   */
  function mint(uint256 shares, address receiver) external returns (uint256 assets);

  /**
   * @dev Returns the maximum amount of the underlying asset that can be withdrawn from the owner balance in the
   * Vault, through a withdraw call.
   *
   * - MUST return a limited value if owner is subject to some withdrawal limit or timelock.
   * - MUST NOT revert.
   */
  function maxWithdraw(address owner) external view returns (uint256 maxAssets);

  /**
   * @dev Allows an on-chain or off-chain user to simulate the effects of their withdrawal at the current block,
   * given current on-chain conditions.
   *
   * - MUST return as close to and no fewer than the exact amount of Vault shares that would be burned in a withdraw
   *   call in the same transaction. I.e. withdraw should return the same or fewer shares as previewWithdraw if
   *   called
   *   in the same transaction.
   * - MUST NOT account for withdrawal limits like those returned from maxWithdraw and should always act as though
   *   the withdrawal would be accepted, regardless if the user has enough shares, etc.
   * - MUST be inclusive of withdrawal fees. Integrators should be aware of the existence of withdrawal fees.
   * - MUST NOT revert.
   *
   * NOTE: any unfavorable discrepancy between convertToShares and previewWithdraw SHOULD be considered slippage in
   * share price or some other type of condition, meaning the depositor will lose assets by depositing.
   */
  function previewWithdraw(uint256 assets) external view returns (uint256 shares);

  /**
   * @dev Burns shares from owner and sends exactly assets of underlying tokens to receiver.
   *
   * - MUST emit the Withdraw event.
   * - MAY support an additional flow in which the underlying tokens are owned by the Vault contract before the
   *   withdraw execution, and are accounted for during withdraw.
   * - MUST revert if all of assets cannot be withdrawn (due to withdrawal limit being reached, slippage, the owner
   *   not having enough shares, etc).
   *
   * Note that some implementations will require pre-requesting to the Vault before a withdrawal may be performed.
   * Those methods should be performed separately.
   */
  function withdraw(
    uint256 assets,
    address receiver,
    address owner
  ) external returns (uint256 shares);

  /**
   * @dev Returns the maximum amount of Vault shares that can be redeemed from the owner balance in the Vault,
   * through a redeem call.
   *
   * - MUST return a limited value if owner is subject to some withdrawal limit or timelock.
   * - MUST return balanceOf(owner) if owner is not subject to any withdrawal limit or timelock.
   * - MUST NOT revert.
   */
  function maxRedeem(address owner) external view returns (uint256 maxShares);

  /**
   * @dev Allows an on-chain or off-chain user to simulate the effects of their redeemption at the current block,
   * given current on-chain conditions.
   *
   * - MUST return as close to and no more than the exact amount of assets that would be withdrawn in a redeem call
   *   in the same transaction. I.e. redeem should return the same or more assets as previewRedeem if called in the
   *   same transaction.
   * - MUST NOT account for redemption limits like those returned from maxRedeem and should always act as though the
   *   redemption would be accepted, regardless if the user has enough shares, etc.
   * - MUST be inclusive of withdrawal fees. Integrators should be aware of the existence of withdrawal fees.
   * - MUST NOT revert.
   *
   * NOTE: any unfavorable discrepancy between convertToAssets and previewRedeem SHOULD be considered slippage in
   * share price or some other type of condition, meaning the depositor will lose assets by redeeming.
   */
  function previewRedeem(uint256 shares) external view returns (uint256 assets);

  /**
   * @dev Burns exactly shares from owner and sends assets of underlying tokens to receiver.
   *
   * - MUST emit the Withdraw event.
   * - MAY support an additional flow in which the underlying tokens are owned by the Vault contract before the
   *   redeem execution, and are accounted for during redeem.
   * - MUST revert if all of shares cannot be redeemed (due to withdrawal limit being reached, slippage, the owner
   *   not having enough shares, etc).
   *
   * NOTE: some implementations will require pre-requesting to the Vault before a withdrawal may be performed.
   * Those methods should be performed separately.
   */
  function redeem(
    uint256 shares,
    address receiver,
    address owner
  ) external returns (uint256 assets);
}

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    uint256 data;
  }

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

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

  enum InterestRateMode {
    NONE,
    STABLE,
    VARIABLE
  }

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

/**
 * @title IRewardsDistributor
 * @author Aave
 * @notice Defines the basic interface for a Rewards Distributor.
 */
interface IRewardsDistributor {
  /**
   * @dev Emitted when the configuration of the rewards of an asset is updated.
   * @param asset The address of the incentivized asset
   * @param reward The address of the reward token
   * @param oldEmission The old emissions per second value of the reward distribution
   * @param newEmission The new emissions per second value of the reward distribution
   * @param oldDistributionEnd The old end timestamp of the reward distribution
   * @param newDistributionEnd The new end timestamp of the reward distribution
   * @param assetIndex The index of the asset distribution
   */
  event AssetConfigUpdated(
    address indexed asset,
    address indexed reward,
    uint256 oldEmission,
    uint256 newEmission,
    uint256 oldDistributionEnd,
    uint256 newDistributionEnd,
    uint256 assetIndex
  );

  /**
   * @dev Emitted when rewards of an asset are accrued on behalf of a user.
   * @param asset The address of the incentivized asset
   * @param reward The address of the reward token
   * @param user The address of the user that rewards are accrued on behalf of
   * @param assetIndex The index of the asset distribution
   * @param userIndex The index of the asset distribution on behalf of the user
   * @param rewardsAccrued The amount of rewards accrued
   */
  event Accrued(
    address indexed asset,
    address indexed reward,
    address indexed user,
    uint256 assetIndex,
    uint256 userIndex,
    uint256 rewardsAccrued
  );

  /**
   * @dev Sets the end date for the distribution
   * @param asset The asset to incentivize
   * @param reward The reward token that incentives the asset
   * @param newDistributionEnd The end date of the incentivization, in unix time format
   **/
  function setDistributionEnd(
    address asset,
    address reward,
    uint32 newDistributionEnd
  ) external;

  /**
   * @dev Sets the emission per second of a set of reward distributions
   * @param asset The asset is being incentivized
   * @param rewards List of reward addresses are being distributed
   * @param newEmissionsPerSecond List of new reward emissions per second
   */
  function setEmissionPerSecond(
    address asset,
    address[] calldata rewards,
    uint88[] calldata newEmissionsPerSecond
  ) external;

  /**
   * @dev Gets the end date for the distribution
   * @param asset The incentivized asset
   * @param reward The reward token of the incentivized asset
   * @return The timestamp with the end of the distribution, in unix time format
   **/
  function getDistributionEnd(address asset, address reward) external view returns (uint256);

  /**
   * @dev Returns the index of a user on a reward distribution
   * @param user Address of the user
   * @param asset The incentivized asset
   * @param reward The reward token of the incentivized asset
   * @return The current user asset index, not including new distributions
   **/
  function getUserAssetIndex(
    address user,
    address asset,
    address reward
  ) external view returns (uint256);

  /**
   * @dev Returns the configuration of the distribution reward for a certain asset
   * @param asset The incentivized asset
   * @param reward The reward token of the incentivized asset
   * @return The index of the asset distribution
   * @return The emission per second of the reward distribution
   * @return The timestamp of the last update of the index
   * @return The timestamp of the distribution end
   **/
  function getRewardsData(address asset, address reward)
    external
    view
    returns (
      uint256,
      uint256,
      uint256,
      uint256
    );

  /**
   * @dev Calculates the next value of an specific distribution index, with validations.
   * @param asset The incentivized asset
   * @param reward The reward token of the incentivized asset
   * @return The old index of the asset distribution
   * @return The new index of the asset distribution
   **/
  function getAssetIndex(address asset, address reward) external view returns (uint256, uint256);

  /**
   * @dev Returns the list of available reward token addresses of an incentivized asset
   * @param asset The incentivized asset
   * @return List of rewards addresses of the input asset
   **/
  function getRewardsByAsset(address asset) external view returns (address[] memory);

  /**
   * @dev Returns the list of available reward addresses
   * @return List of rewards supported in this contract
   **/
  function getRewardsList() external view returns (address[] memory);

  /**
   * @dev Returns the accrued rewards balance of a user, not including virtually accrued rewards since last distribution.
   * @param user The address of the user
   * @param reward The address of the reward token
   * @return Unclaimed rewards, not including new distributions
   **/
  function getUserAccruedRewards(address user, address reward) external view returns (uint256);

  /**
   * @dev Returns a single rewards balance of a user, including virtually accrued and unrealized claimable rewards.
   * @param assets List of incentivized assets to check eligible distributions
   * @param user The address of the user
   * @param reward The address of the reward token
   * @return The rewards amount
   **/
  function getUserRewards(
    address[] calldata assets,
    address user,
    address reward
  ) external view returns (uint256);

  /**
   * @dev Returns a list all rewards of a user, including already accrued and unrealized claimable rewards
   * @param assets List of incentivized assets to check eligible distributions
   * @param user The address of the user
   * @return The list of reward addresses
   * @return The list of unclaimed amount of rewards
   **/
  function getAllUserRewards(address[] calldata assets, address user)
    external
    view
    returns (address[] memory, uint256[] memory);

  /**
   * @dev Returns the decimals of an asset to calculate the distribution delta
   * @param asset The address to retrieve decimals
   * @return The decimals of an underlying asset
   */
  function getAssetDecimals(address asset) external view returns (uint8);

  /**
   * @dev Returns the address of the emission manager
   * @return The address of the EmissionManager
   */
  function EMISSION_MANAGER() external view returns (address);

  /**
   * @dev Returns the address of the emission manager.
   * Deprecated: This getter is maintained for compatibility purposes. Use the `EMISSION_MANAGER()` function instead.
   * @return The address of the EmissionManager
   */
  function getEmissionManager() external view returns (address);
}

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

interface ITransferStrategyBase {
  event EmergencyWithdrawal(
    address indexed caller,
    address indexed token,
    address indexed to,
    uint256 amount
  );

  /**
   * @dev Perform custom transfer logic via delegate call from source contract to a TransferStrategy implementation
   * @param to Account to transfer rewards
   * @param reward Address of the reward token
   * @param amount Amount to transfer to the "to" address parameter
   * @return Returns true bool if transfer logic succeeds
   */
  function performTransfer(
    address to,
    address reward,
    uint256 amount
  ) external returns (bool);

  /**
   * @return Returns the address of the Incentives Controller
   */
  function getIncentivesController() external view returns (address);

  /**
   * @return Returns the address of the Rewards admin
   */
  function getRewardsAdmin() external view returns (address);

  /**
   * @dev Perform an emergency token withdrawal only callable by the Rewards admin
   * @param token Address of the token to withdraw funds from this contract
   * @param to Address of the recipient of the withdrawal
   * @param amount Amount of the withdrawal
   */
  function emergencyWithdrawal(
    address token,
    address to,
    uint256 amount
  ) external;
}

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

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

  function latestAnswer() external view returns (int256);

  function latestTimestamp() external view returns (uint256);

  function latestRound() external view returns (uint256);

  function getAnswer(uint256 roundId) external view returns (int256);

  function getTimestamp(uint256 roundId) external view returns (uint256);

  event AnswerUpdated(int256 indexed current, uint256 indexed roundId, uint256 timestamp);
  event NewRound(uint256 indexed roundId, address indexed startedBy);
}

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

import {ITransferStrategyBase} from '../interfaces/ITransferStrategyBase.sol';
import {IEACAggregatorProxy} from '../../misc/interfaces/IEACAggregatorProxy.sol';

library RewardsDataTypes {
  struct RewardsConfigInput {
    uint88 emissionPerSecond;
    uint256 totalSupply;
    uint32 distributionEnd;
    address asset;
    address reward;
    ITransferStrategyBase transferStrategy;
    IEACAggregatorProxy rewardOracle;
  }

  struct UserAssetBalance {
    address asset;
    uint256 userBalance;
    uint256 totalSupply;
  }

  struct UserData {
    // Liquidity index of the reward distribution for the user
    uint104 index;
    // Amount of accrued rewards for the user since last user index update
    uint128 accrued;
  }

  struct RewardData {
    // Liquidity index of the reward distribution
    uint104 index;
    // Amount of reward tokens distributed per second
    uint88 emissionPerSecond;
    // Timestamp of the last reward index update
    uint32 lastUpdateTimestamp;
    // The end of the distribution of rewards (in seconds)
    uint32 distributionEnd;
    // Map of user addresses and their rewards data (userAddress => userData)
    mapping(address => UserData) usersData;
  }

  struct AssetData {
    // Map of reward token addresses and their data (rewardTokenAddress => rewardData)
    mapping(address => RewardData) rewards;
    // List of reward token addresses for the asset
    mapping(uint128 => address) availableRewards;
    // Count of reward tokens for the asset
    uint128 availableRewardsCount;
    // Number of decimals of the asset
    uint8 decimals;
  }
}

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

pragma solidity ^0.8.1;

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

    return account.code.length > 0;
  }

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

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

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

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

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

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

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

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

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

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

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

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

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

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

pragma solidity ^0.8.0;

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

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

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

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

/**
 * @title IAaveIncentivesController
 * @author Aave
 * @notice Defines the basic interface for an Aave Incentives Controller.
 * @dev It only contains one single function, needed as a hook on aToken and debtToken transfers.
 */
interface IAaveIncentivesController {
  /**
   * @dev Called by the corresponding asset on transfer hook in order to update the rewards distribution.
   * @dev The units of `totalSupply` and `userBalance` should be the same.
   * @param user The address of the user whose asset balance has changed
   * @param totalSupply The total supply of the asset prior to user balance change
   * @param userBalance The previous user balance prior to balance change
   */
  function handleAction(
    address user,
    uint256 totalSupply,
    uint256 userBalance
  ) external;
}

{
  "remappings": [
    "@aave/core-v3/=lib/aave-address-book/lib/aave-v3-core/",
    "@aave/periphery-v3/=lib/aave-address-book/lib/aave-v3-periphery/",
    "aave-address-book/=lib/aave-address-book/src/",
    "aave-v3-core/=lib/aave-v3-core/",
    "aave-v3-periphery/=lib/aave-v3-periphery/",
    "ds-test/=lib/forge-std/lib/ds-test/src/",
    "erc4626-tests/=lib/openzeppelin-contracts/lib/erc4626-tests/",
    "forge-std/=lib/forge-std/src/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/",
    "solidity-utils/=lib/solidity-utils/src/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "ipfs"
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "london",
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

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IStaticATokenLM.SignatureParams","name":"sigParams","type":"tuple"}],"name":"metaWithdraw","outputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"shares","type":"uint256"},{"internalType":"address","name":"receiver","type":"address"}],"name":"mint","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"nonces","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"},{"internalType":"uint256","name":"deadline","type":"uint256"},{"internalType":"uint8","name":"v","type":"uint8"},{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"s","type":"bytes32"}],"name":"permit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"assets","type":"uint256"}],"name":"previewDeposit","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"shares","type":"uint256"}],"name":"previewMint","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"shares","type":"uint256"}],"name":"previewRedeem","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"assets","type":"uint256"}],"name":"previewWithdraw","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"rate","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"shares","type":"uint256"},{"internalType":"address","name":"receiver","type":"address"},{"internalType":"address","name":"owner","type":"address"}],"name":"redeem","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"shares","type":"uint256"},{"internalType":"address","name":"receiver","type":"address"},{"internalType":"address","name":"owner","type":"address"},{"internalType":"bool","name":"toUnderlying","type":"bool"}],"name":"redeem","outputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"refreshRewardTokens","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"rewardTokens","outputs":[{"internalType":"address[]","name":"","type":"address[]"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalAssets","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"assets","type":"uint256"},{"internalType":"address","name":"receiver","type":"address"},{"internalType":"address","name":"owner","type":"address"}],"name":"withdraw","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"}]

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00000000000000000000000087870bca3f3fd6335c3f4ce8392d69350b4fa4e20000000000000000000000008164cc65827dcfe994ab23944cbc90e0aa80bfcb

-----Decoded View---------------
Arg [0] : pool (address): 0x87870Bca3F3fD6335C3F4ce8392D69350B4fA4E2
Arg [1] : rewardsController (address): 0x8164Cc65827dcFe994AB23944CBC90e0aa80bFcb

-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 00000000000000000000000087870bca3f3fd6335c3f4ce8392d69350b4fa4e2
Arg [1] : 0000000000000000000000008164cc65827dcfe994ab23944cbc90e0aa80bfcb