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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;

// --- DLend fork imports ---
import {IPool} from "contracts/lending/core/interfaces/IPool.sol";
import {DataTypes} from "contracts/lending/core/protocol/libraries/types/DataTypes.sol";
import {ReserveConfiguration} from "contracts/lending/core/protocol/libraries/configuration/ReserveConfiguration.sol";
import {IScaledBalanceToken} from "contracts/lending/core/interfaces/IScaledBalanceToken.sol";
import {IRewardsController} from "contracts/lending/periphery/rewards/interfaces/IRewardsController.sol";
import {WadRayMath} from "contracts/lending/core/protocol/libraries/math/WadRayMath.sol";
import {MathUtils} from "contracts/lending/core/protocol/libraries/math/MathUtils.sol";
import {SafeCast} from "contracts/lending/core/dependencies/openzeppelin/contracts/SafeCast.sol";
import {Initializable} from "contracts/lending/core/dependencies/openzeppelin/upgradeability/Initializable.sol";
import {SafeERC20} from "@openzeppelin/contracts-5/token/ERC20/utils/SafeERC20.sol";
import {IERC20Metadata} from "@openzeppelin/contracts-5/token/ERC20/extensions/IERC20Metadata.sol";
import {IERC20} from "@openzeppelin/contracts-5/token/ERC20/IERC20.sol";
import {IERC20WithPermit} from "contracts/lending/core/interfaces/IERC20WithPermit.sol";
// --- Local imports ---
import {IStaticATokenLM} from "./interfaces/IStaticATokenLM.sol";
import {IAToken} from "./interfaces/IAToken.sol";
import {ERC20} from "./ERC20.sol";
import {StaticATokenErrors} from "./StaticATokenErrors.sol";
import {RayMathExplicitRounding, Rounding} from "./RayMathExplicitRounding.sol";
import {IERC4626} from "./interfaces/IERC4626.sol";
import {ECDSA} from "./ECDSA.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 ERC20, 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 assets,uint16 referralCode,bool depositToAave,uint256 nonce,uint256 deadline,PermitParams permit)"
        );
    bytes32 public constant METAWITHDRAWAL_TYPEHASH =
        keccak256(
            "Withdraw(address owner,address receiver,uint256 shares,uint256 assets,bool withdrawFromAave,uint256 nonce,uint256 deadline)"
        );

    uint256 public constant STATIC__ATOKEN_LM_REVISION = 2;

    IPool public immutable POOL;
    IRewardsController public immutable REWARDS_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,
        address newAToken,
        string memory staticATokenName,
        string memory staticATokenSymbol
    )
        ERC20(
            staticATokenName,
            staticATokenSymbol,
            IERC20Metadata(newAToken).decimals()
        )
    {
        POOL = pool;
        REWARDS_CONTROLLER = rewardsController;
        _aToken = IERC20(newAToken);
        _aTokenUnderlying = IAToken(newAToken).UNDERLYING_ASSET_ADDRESS();
        // Use standard approve for trusted protocol token (aToken underlying) and trusted protocol contract (dLEND POOL)
        IERC20(_aTokenUnderlying).approve(address(POOL), type(uint256).max);
        if (address(REWARDS_CONTROLLER) != address(0)) {
            refreshRewardTokens();
        }
    }

    ///@inheritdoc IStaticATokenLM
    function refreshRewardTokens() public override {
        address[] memory rewards = REWARDS_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 metaDeposit(
        address depositor,
        address receiver,
        uint256 assets,
        uint16 referralCode,
        bool depositToAave,
        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,
                            assets,
                            referralCode,
                            depositToAave,
                            nonce,
                            deadline,
                            permit
                        )
                    )
                )
            );
            nonces[depositor] = nonce + 1;
            require(
                depositor ==
                    ECDSA.recover(
                        digest,
                        sigParams.v,
                        sigParams.r,
                        sigParams.s
                    ),
                StaticATokenErrors.INVALID_SIGNATURE
            );
        }
        // assume if deadline 0 no permit was supplied
        if (permit.deadline != 0) {
            try
                IERC20WithPermit(
                    depositToAave
                        ? address(_aTokenUnderlying)
                        : address(_aToken)
                ).permit(
                        depositor,
                        address(this),
                        permit.value,
                        permit.deadline,
                        permit.v,
                        permit.r,
                        permit.s
                    )
            {} catch {}
        }
        (uint256 shares, ) = _deposit(
            depositor,
            receiver,
            0,
            assets,
            referralCode,
            depositToAave
        );
        return shares;
    }

    ///@inheritdoc IStaticATokenLM
    function metaWithdraw(
        address owner,
        address receiver,
        uint256 shares,
        uint256 assets,
        bool withdrawFromAave,
        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,
                            shares,
                            assets,
                            withdrawFromAave,
                            nonce,
                            deadline
                        )
                    )
                )
            );
            nonces[owner] = nonce + 1;
            require(
                owner ==
                    ECDSA.recover(
                        digest,
                        sigParams.v,
                        sigParams.r,
                        sigParams.s
                    ),
                StaticATokenErrors.INVALID_SIGNATURE
            );
        }
        return _withdraw(owner, receiver, shares, assets, withdrawFromAave);
    }

    ///@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
            REWARDS_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 == REWARDS_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) = REWARDS_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 = REWARDS_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(_aTokenUnderlying);
    }

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

    ///@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 maxMint(address) public view virtual returns (uint256) {
        uint256 assets = maxDeposit(address(0));
        if (assets == type(uint256).max) return type(uint256).max;
        return _convertToShares(assets, Rounding.DOWN);
    }

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

    ///@inheritdoc IERC4626
    function maxRedeem(address owner) public 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 IERC4626
    function maxDeposit(address) public 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) {
        (uint256 shares, ) = _deposit(msg.sender, receiver, 0, assets, 0, true);
        return shares;
    }

    ///@inheritdoc IERC4626
    function mint(
        uint256 shares,
        address receiver
    ) external virtual returns (uint256) {
        (, uint256 assets) = _deposit(msg.sender, receiver, shares, 0, 0, true);

        return assets;
    }

    ///@inheritdoc IERC4626
    function withdraw(
        uint256 assets,
        address receiver,
        address owner
    ) external virtual returns (uint256) {
        (uint256 shares, ) = _withdraw(owner, receiver, 0, assets, true);

        return shares;
    }

    ///@inheritdoc IERC4626
    function redeem(
        uint256 shares,
        address receiver,
        address owner
    ) external virtual returns (uint256) {
        (, uint256 assets) = _withdraw(owner, receiver, shares, 0, true);

        return assets;
    }

    /// @notice Deposit aTokens and mint static tokens to receiver
    function depositATokens(
        uint256 aTokenAmount,
        address receiver
    ) external override returns (uint256) {
        require(aTokenAmount > 0, StaticATokenErrors.INVALID_ZERO_AMOUNT);
        // allow compensation for rebase during tx
        uint256 userBalance = _aToken.balanceOf(msg.sender);
        uint256 amount = aTokenAmount > userBalance
            ? userBalance
            : aTokenAmount;
        // determine shares to mint
        uint256 shares = previewDeposit(amount);
        require(shares != 0, StaticATokenErrors.INVALID_ZERO_AMOUNT);
        // transfer aTokens in
        _aToken.safeTransferFrom(msg.sender, address(this), amount);
        // mint static tokens
        _mint(receiver, shares);
        emit Deposit(msg.sender, receiver, amount, shares);
        return shares;
    }

    /// @notice Burn static tokens and return aTokens to receiver
    function redeemATokens(
        uint256 shares,
        address receiver,
        address owner
    ) external override returns (uint256) {
        require(shares > 0, StaticATokenErrors.INVALID_ZERO_AMOUNT);
        // determine assets to return
        uint256 assets = previewRedeem(shares);
        require(assets != 0, StaticATokenErrors.INVALID_ZERO_AMOUNT);
        // handle allowance if not owner
        if (msg.sender != owner) {
            uint256 allowed = allowance[owner][msg.sender];
            if (allowed != type(uint256).max) {
                allowance[owner][msg.sender] = allowed - shares;
            }
        }
        // burn static tokens
        _burn(owner, shares);
        emit Withdraw(msg.sender, receiver, owner, assets, shares);
        // transfer aTokens out
        _aToken.safeTransfer(receiver, assets);
        return assets;
    }

    function _deposit(
        address depositor,
        address receiver,
        uint256 _shares,
        uint256 _assets,
        uint16 referralCode,
        bool depositToAave
    ) internal returns (uint256, uint256) {
        require(receiver != address(0), StaticATokenErrors.INVALID_RECIPIENT);
        require(
            _shares == 0 || _assets == 0,
            StaticATokenErrors.ONLY_ONE_AMOUNT_FORMAT_ALLOWED
        );

        uint256 assets = _assets;
        uint256 shares = _shares;
        if (shares > 0) {
            if (depositToAave) {
                require(
                    shares <= maxMint(receiver),
                    "ERC4626: mint more than max"
                );
            }
            assets = previewMint(shares);
        } else {
            if (depositToAave) {
                require(
                    assets <= maxDeposit(receiver),
                    "ERC4626: deposit more than max"
                );
            }
            shares = previewDeposit(assets);
        }
        require(shares != 0, StaticATokenErrors.INVALID_ZERO_AMOUNT);

        if (depositToAave) {
            address cachedATokenUnderlying = _aTokenUnderlying;
            SafeERC20.safeTransferFrom(
                IERC20(cachedATokenUnderlying),
                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, assets);
    }

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

        uint256 assets = _assets;
        uint256 shares = _shares;

        if (shares > 0) {
            if (withdrawFromAave) {
                require(
                    shares <= maxRedeem(owner),
                    "ERC4626: redeem more than max"
                );
            }
            assets = previewRedeem(shares);
        } else {
            if (withdrawFromAave) {
                require(
                    assets <= maxWithdraw(owner),
                    "ERC4626: withdraw more than max"
                );
            }
            shares = previewWithdraw(assets);
        }

        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, assets, shares);

        if (withdrawFromAave) {
            POOL.withdraw(_aTokenUnderlying, assets, receiver);
        } else {
            _aToken.safeTransfer(receiver, assets);
        }

        return (shares, assets);
    }

    /**
     * @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, uint240(startIndex));

        emit RewardTokenRegistered(reward, startIndex);
    }

    /**
     * @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: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/extensions/IERC20Metadata.sol)

pragma solidity ^0.8.20;

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

/**
 * @dev Interface for the optional metadata functions from the ERC20 standard.
 */
interface IERC20Metadata is IERC20 {
    /**
     * @dev Returns the name of the token.
     */
    function name() external view returns (string memory);

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/extensions/IERC20Permit.sol)

pragma solidity ^0.8.20;

/**
 * @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.
 *
 * ==== Security Considerations
 *
 * There are two important considerations concerning the use of `permit`. The first is that a valid permit signature
 * expresses an allowance, and it should not be assumed to convey additional meaning. In particular, it should not be
 * considered as an intention to spend the allowance in any specific way. The second is that because permits have
 * built-in replay protection and can be submitted by anyone, they can be frontrun. A protocol that uses permits should
 * take this into consideration and allow a `permit` call to fail. Combining these two aspects, a pattern that may be
 * generally recommended is:
 *
 * ```solidity
 * function doThingWithPermit(..., uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s) public {
 *     try token.permit(msg.sender, address(this), value, deadline, v, r, s) {} catch {}
 *     doThing(..., value);
 * }
 *
 * function doThing(..., uint256 value) public {
 *     token.safeTransferFrom(msg.sender, address(this), value);
 *     ...
 * }
 * ```
 *
 * Observe that: 1) `msg.sender` is used as the owner, leaving no ambiguity as to the signer intent, and 2) the use of
 * `try/catch` allows the permit to fail and makes the code tolerant to frontrunning. (See also
 * {SafeERC20-safeTransferFrom}).
 *
 * Additionally, note that smart contract wallets (such as Argent or Safe) are not able to produce permit signatures, so
 * contracts should have entry points that don't rely on permit.
 */
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].
     *
     * CAUTION: See Security Considerations above.
     */
    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: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.20;

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

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

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

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/utils/SafeERC20.sol)

pragma solidity ^0.8.20;

import {IERC20} from "../IERC20.sol";
import {IERC20Permit} from "../extensions/IERC20Permit.sol";
import {Address} from "../../../utils/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;

    /**
     * @dev An operation with an ERC20 token failed.
     */
    error SafeERC20FailedOperation(address token);

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

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

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

    /**
     * @dev Increase the calling contract's allowance toward `spender` by `value`. If `token` returns no value,
     * non-reverting calls are assumed to be successful.
     */
    function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {
        uint256 oldAllowance = token.allowance(address(this), spender);
        forceApprove(token, spender, oldAllowance + value);
    }

    /**
     * @dev Decrease the calling contract's allowance toward `spender` by `requestedDecrease`. If `token` returns no
     * value, non-reverting calls are assumed to be successful.
     */
    function safeDecreaseAllowance(IERC20 token, address spender, uint256 requestedDecrease) internal {
        unchecked {
            uint256 currentAllowance = token.allowance(address(this), spender);
            if (currentAllowance < requestedDecrease) {
                revert SafeERC20FailedDecreaseAllowance(spender, currentAllowance, requestedDecrease);
            }
            forceApprove(token, spender, currentAllowance - requestedDecrease);
        }
    }

    /**
     * @dev Set the calling contract's allowance toward `spender` to `value`. If `token` returns no value,
     * non-reverting calls are assumed to be successful. Meant to be used with tokens that require the approval
     * to be set to zero before setting it to a non-zero value, such as USDT.
     */
    function forceApprove(IERC20 token, address spender, uint256 value) internal {
        bytes memory approvalCall = abi.encodeCall(token.approve, (spender, value));

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

    /**
     * @dev 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);
        if (returndata.length != 0 && !abi.decode(returndata, (bool))) {
            revert SafeERC20FailedOperation(address(token));
        }
    }

    /**
     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
     * on the return value: the return value is optional (but if data is returned, it must not be false).
     * @param token The token targeted by the call.
     * @param data The call data (encoded using abi.encode or one of its variants).
     *
     * This is a variant of {_callOptionalReturn} that silents catches all reverts and returns a bool instead.
     */
    function _callOptionalReturnBool(IERC20 token, bytes memory data) private returns (bool) {
        // 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 cannot use {Address-functionCall} here since this should return false
        // and not revert is the subcall reverts.

        (bool success, bytes memory returndata) = address(token).call(data);
        return success && (returndata.length == 0 || abi.decode(returndata, (bool))) && address(token).code.length > 0;
    }
}

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

pragma solidity ^0.8.20;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev The ETH balance of the account is not enough to perform the operation.
     */
    error AddressInsufficientBalance(address account);

    /**
     * @dev There's no code at `target` (it is not a contract).
     */
    error AddressEmptyCode(address target);

    /**
     * @dev A call to an address target failed. The target may have reverted.
     */
    error FailedInnerCall();

    /**
     * @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://consensys.net/diligence/blog/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/v0.8.20/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        if (address(this).balance < amount) {
            revert AddressInsufficientBalance(address(this));
        }

        (bool success, ) = recipient.call{value: amount}("");
        if (!success) {
            revert FailedInnerCall();
        }
    }

    /**
     * @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 or custom error, it is bubbled
     * up by this function (like regular Solidity function calls). However, if
     * the call reverted with no returned reason, this function reverts with a
     * {FailedInnerCall} error.
     *
     * 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.
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0);
    }

    /**
     * @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`.
     */
    function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
        if (address(this).balance < value) {
            revert AddressInsufficientBalance(address(this));
        }
        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResultFromTarget(target, success, returndata);
    }

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

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

    /**
     * @dev Tool to verify that a low level call to smart-contract was successful, and reverts if the target
     * was not a contract or bubbling up the revert reason (falling back to {FailedInnerCall}) in case of an
     * unsuccessful call.
     */
    function verifyCallResultFromTarget(
        address target,
        bool success,
        bytes memory returndata
    ) internal view returns (bytes memory) {
        if (!success) {
            _revert(returndata);
        } else {
            // only check if target is a contract if the call was successful and the return data is empty
            // otherwise we already know that it was a contract
            if (returndata.length == 0 && target.code.length == 0) {
                revert AddressEmptyCode(target);
            }
            return returndata;
        }
    }

    /**
     * @dev Tool to verify that a low level call was successful, and reverts if it wasn't, either by bubbling the
     * revert reason or with a default {FailedInnerCall} error.
     */
    function verifyCallResult(bool success, bytes memory returndata) internal pure returns (bytes memory) {
        if (!success) {
            _revert(returndata);
        } else {
            return returndata;
        }
    }

    /**
     * @dev Reverts with returndata if present. Otherwise reverts with {FailedInnerCall}.
     */
    function _revert(bytes memory returndata) 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 FailedInnerCall();
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/math/Math.sol)

pragma solidity ^0.8.20;

/**
 * @dev Standard math utilities missing in the Solidity language.
 */
library Math {
    /**
     * @dev Muldiv operation overflow.
     */
    error MathOverflowedMulDiv();

    enum Rounding {
        Floor, // Toward negative infinity
        Ceil, // Toward positive infinity
        Trunc, // Toward zero
        Expand // Away from zero
    }

    /**
     * @dev Returns the addition of two unsigned integers, with an overflow flag.
     */
    function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            uint256 c = a + b;
            if (c < a) return (false, 0);
            return (true, c);
        }
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, with an overflow flag.
     */
    function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b > a) return (false, 0);
            return (true, a - b);
        }
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, with an overflow flag.
     */
    function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            // Gas optimization: this is cheaper than requiring 'a' not being zero, but the
            // benefit is lost if 'b' is also tested.
            // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
            if (a == 0) return (true, 0);
            uint256 c = a * b;
            if (c / a != b) return (false, 0);
            return (true, c);
        }
    }

    /**
     * @dev Returns the division of two unsigned integers, with a division by zero flag.
     */
    function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a / b);
        }
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
     */
    function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a % b);
        }
    }

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

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

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

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

        // (a + b - 1) / b can overflow on addition, so we distribute.
        return a == 0 ? 0 : (a - 1) / b + 1;
    }

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

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

            // Make sure the result is less than 2^256. Also prevents denominator == 0.
            if (denominator <= prod1) {
                revert MathOverflowedMulDiv();
            }

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

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

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

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

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

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

                // Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one.
                twos := add(div(sub(0, twos), twos), 1)
            }

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

            // Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such
            // that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for
            // four bits. That is, denominator * inv = 1 mod 2^4.
            uint256 inverse = (3 * denominator) ^ 2;

            // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also
            // works in modular arithmetic, doubling the correct bits in each step.
            inverse *= 2 - denominator * inverse; // inverse mod 2^8
            inverse *= 2 - denominator * inverse; // inverse mod 2^16
            inverse *= 2 - denominator * inverse; // inverse mod 2^32
            inverse *= 2 - denominator * inverse; // inverse mod 2^64
            inverse *= 2 - denominator * inverse; // inverse mod 2^128
            inverse *= 2 - denominator * inverse; // inverse mod 2^256

            // Because the division is now exact we can divide by multiplying with the modular inverse of denominator.
            // This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is
            // less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1
            // is no longer required.
            result = prod0 * inverse;
            return result;
        }
    }

    /**
     * @notice Calculates x * y / denominator with full precision, following the selected rounding direction.
     */
    function mulDiv(uint256 x, uint256 y, uint256 denominator, Rounding rounding) internal pure returns (uint256) {
        uint256 result = mulDiv(x, y, denominator);
        if (unsignedRoundsUp(rounding) && mulmod(x, y, denominator) > 0) {
            result += 1;
        }
        return result;
    }

    /**
     * @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded
     * towards zero.
     *
     * Inspired by Henry S. Warren, Jr.'s "Hacker's Delight" (Chapter 11).
     */
    function sqrt(uint256 a) internal pure returns (uint256) {
        if (a == 0) {
            return 0;
        }

        // For our first guess, we get the biggest power of 2 which is smaller than the square root of the target.
        //
        // We know that the "msb" (most significant bit) of our target number `a` is a power of 2 such that we have
        // `msb(a) <= a < 2*msb(a)`. This value can be written `msb(a)=2**k` with `k=log2(a)`.
        //
        // This can be rewritten `2**log2(a) <= a < 2**(log2(a) + 1)`
        // → `sqrt(2**k) <= sqrt(a) < sqrt(2**(k+1))`
        // → `2**(k/2) <= sqrt(a) < 2**((k+1)/2) <= 2**(k/2 + 1)`
        //
        // Consequently, `2**(log2(a) / 2)` is a good first approximation of `sqrt(a)` with at least 1 correct bit.
        uint256 result = 1 << (log2(a) >> 1);

        // At this point `result` is an estimation with one bit of precision. We know the true value is a uint128,
        // since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at
        // every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision
        // into the expected uint128 result.
        unchecked {
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            return min(result, a / result);
        }
    }

    /**
     * @notice Calculates sqrt(a), following the selected rounding direction.
     */
    function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = sqrt(a);
            return result + (unsignedRoundsUp(rounding) && result * result < a ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 2 of a positive value rounded towards zero.
     * Returns 0 if given 0.
     */
    function log2(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >> 128 > 0) {
                value >>= 128;
                result += 128;
            }
            if (value >> 64 > 0) {
                value >>= 64;
                result += 64;
            }
            if (value >> 32 > 0) {
                value >>= 32;
                result += 32;
            }
            if (value >> 16 > 0) {
                value >>= 16;
                result += 16;
            }
            if (value >> 8 > 0) {
                value >>= 8;
                result += 8;
            }
            if (value >> 4 > 0) {
                value >>= 4;
                result += 4;
            }
            if (value >> 2 > 0) {
                value >>= 2;
                result += 2;
            }
            if (value >> 1 > 0) {
                result += 1;
            }
        }
        return result;
    }

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

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

    /**
     * @dev Return the log in base 10, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log10(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log10(value);
            return result + (unsignedRoundsUp(rounding) && 10 ** result < value ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 256 of a positive value rounded towards zero.
     * Returns 0 if given 0.
     *
     * Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string.
     */
    function log256(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >> 128 > 0) {
                value >>= 128;
                result += 16;
            }
            if (value >> 64 > 0) {
                value >>= 64;
                result += 8;
            }
            if (value >> 32 > 0) {
                value >>= 32;
                result += 4;
            }
            if (value >> 16 > 0) {
                value >>= 16;
                result += 2;
            }
            if (value >> 8 > 0) {
                result += 1;
            }
        }
        return result;
    }

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

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

// SPDX-License-Identifier: AGPL-3.0
/* ———————————————————————————————————————————————————————————————————————————————— *
 *    _____     ______   ______     __     __   __     __     ______   __  __       *
 *   /\  __-.  /\__  _\ /\  == \   /\ \   /\ "-.\ \   /\ \   /\__  _\ /\ \_\ \      *
 *   \ \ \/\ \ \/_/\ \/ \ \  __<   \ \ \  \ \ \-.  \  \ \ \  \/_/\ \/ \ \____ \     *
 *    \ \____-    \ \_\  \ \_\ \_\  \ \_\  \ \_\\"\_\  \ \_\    \ \_\  \/\_____\    *
 *     \/____/     \/_/   \/_/ /_/   \/_/   \/_/ \/_/   \/_/     \/_/   \/_____/    *
 *                                                                                  *
 * ————————————————————————————————— dtrinity.org ————————————————————————————————— *
 *                                                                                  *
 *                                         ▲                                        *
 *                                        ▲ ▲                                       *
 *                                                                                  *
 * ———————————————————————————————————————————————————————————————————————————————— *
 * dTRINITY Protocol: https://github.com/dtrinity                                   *
 * ———————————————————————————————————————————————————————————————————————————————— */

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

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

// SPDX-License-Identifier: MIT
/* ———————————————————————————————————————————————————————————————————————————————— *
 *    _____     ______   ______     __     __   __     __     ______   __  __       *
 *   /\  __-.  /\__  _\ /\  == \   /\ \   /\ "-.\ \   /\ \   /\__  _\ /\ \_\ \      *
 *   \ \ \/\ \ \/_/\ \/ \ \  __<   \ \ \  \ \ \-.  \  \ \ \  \/_/\ \/ \ \____ \     *
 *    \ \____-    \ \_\  \ \_\ \_\  \ \_\  \ \_\\"\_\  \ \_\    \ \_\  \/\_____\    *
 *     \/____/     \/_/   \/_/ /_/   \/_/   \/_/ \/_/   \/_/     \/_/   \/_____/    *
 *                                                                                  *
 * ————————————————————————————————— dtrinity.org ————————————————————————————————— *
 *                                                                                  *
 *                                         ▲                                        *
 *                                        ▲ ▲                                       *
 *                                                                                  *
 * ———————————————————————————————————————————————————————————————————————————————— *
 * dTRINITY Protocol: https://github.com/dtrinity                                   *
 * ———————————————————————————————————————————————————————————————————————————————— */

// OpenZeppelin Contracts v4.4.1 (utils/math/SafeCast.sol)
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 uint224 from uint256, reverting on
     * overflow (when the input is greater than largest uint224).
     *
     * Counterpart to Solidity's `uint224` operator.
     *
     * Requirements:
     *
     * - input must fit into 224 bits
     */
    function toUint224(uint256 value) internal pure returns (uint224) {
        require(
            value <= type(uint224).max,
            "SafeCast: value doesn't fit in 224 bits"
        );
        return uint224(value);
    }

    /**
     * @dev Returns the downcasted uint128 from uint256, reverting on
     * overflow (when the input is greater than largest uint128).
     *
     * Counterpart to Solidity's `uint128` operator.
     *
     * Requirements:
     *
     * - input must fit into 128 bits
     */
    function toUint128(uint256 value) internal pure returns (uint128) {
        require(
            value <= type(uint128).max,
            "SafeCast: value doesn't fit in 128 bits"
        );
        return uint128(value);
    }

    /**
     * @dev Returns the downcasted uint96 from uint256, reverting on
     * overflow (when the input is greater than largest uint96).
     *
     * Counterpart to Solidity's `uint96` operator.
     *
     * Requirements:
     *
     * - input must fit into 96 bits
     */
    function toUint96(uint256 value) internal pure returns (uint96) {
        require(
            value <= type(uint96).max,
            "SafeCast: value doesn't fit in 96 bits"
        );
        return uint96(value);
    }

    /**
     * @dev Returns the downcasted uint64 from uint256, reverting on
     * overflow (when the input is greater than largest uint64).
     *
     * Counterpart to Solidity's `uint64` operator.
     *
     * Requirements:
     *
     * - input must fit into 64 bits
     */
    function toUint64(uint256 value) internal pure returns (uint64) {
        require(
            value <= type(uint64).max,
            "SafeCast: value doesn't fit in 64 bits"
        );
        return uint64(value);
    }

    /**
     * @dev Returns the downcasted uint32 from uint256, reverting on
     * overflow (when the input is greater than largest uint32).
     *
     * Counterpart to Solidity's `uint32` operator.
     *
     * Requirements:
     *
     * - input must fit into 32 bits
     */
    function toUint32(uint256 value) internal pure returns (uint32) {
        require(
            value <= type(uint32).max,
            "SafeCast: value doesn't fit in 32 bits"
        );
        return uint32(value);
    }

    /**
     * @dev Returns the downcasted uint16 from uint256, reverting on
     * overflow (when the input is greater than largest uint16).
     *
     * Counterpart to Solidity's `uint16` operator.
     *
     * Requirements:
     *
     * - input must fit into 16 bits
     */
    function toUint16(uint256 value) internal pure returns (uint16) {
        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.
     */
    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.
     */
    function toUint256(int256 value) internal pure returns (uint256) {
        require(value >= 0, "SafeCast: value must be positive");
        return uint256(value);
    }

    /**
     * @dev Returns the downcasted int128 from int256, reverting on
     * overflow (when the input is less than smallest int128 or
     * greater than largest int128).
     *
     * Counterpart to Solidity's `int128` operator.
     *
     * Requirements:
     *
     * - input must fit into 128 bits
     *
     * _Available since v3.1._
     */
    function toInt128(int256 value) internal pure returns (int128) {
        require(
            value >= type(int128).min && value <= type(int128).max,
            "SafeCast: value doesn't fit in 128 bits"
        );
        return int128(value);
    }

    /**
     * @dev Returns the downcasted int64 from int256, reverting on
     * overflow (when the input is less than smallest int64 or
     * greater than largest int64).
     *
     * Counterpart to Solidity's `int64` operator.
     *
     * Requirements:
     *
     * - input must fit into 64 bits
     *
     * _Available since v3.1._
     */
    function toInt64(int256 value) internal pure returns (int64) {
        require(
            value >= type(int64).min && value <= type(int64).max,
            "SafeCast: value doesn't fit in 64 bits"
        );
        return int64(value);
    }

    /**
     * @dev Returns the downcasted int32 from int256, reverting on
     * overflow (when the input is less than smallest int32 or
     * greater than largest int32).
     *
     * Counterpart to Solidity's `int32` operator.
     *
     * Requirements:
     *
     * - input must fit into 32 bits
     *
     * _Available since v3.1._
     */
    function toInt32(int256 value) internal pure returns (int32) {
        require(
            value >= type(int32).min && value <= type(int32).max,
            "SafeCast: value doesn't fit in 32 bits"
        );
        return int32(value);
    }

    /**
     * @dev Returns the downcasted int16 from int256, reverting on
     * overflow (when the input is less than smallest int16 or
     * greater than largest int16).
     *
     * Counterpart to Solidity's `int16` operator.
     *
     * Requirements:
     *
     * - input must fit into 16 bits
     *
     * _Available since v3.1._
     */
    function toInt16(int256 value) internal pure returns (int16) {
        require(
            value >= type(int16).min && value <= type(int16).max,
            "SafeCast: value doesn't fit in 16 bits"
        );
        return int16(value);
    }

    /**
     * @dev Returns the downcasted int8 from int256, reverting on
     * overflow (when the input is less than smallest int8 or
     * greater than largest int8).
     *
     * Counterpart to Solidity's `int8` operator.
     *
     * Requirements:
     *
     * - input must fit into 8 bits.
     *
     * _Available since v3.1._
     */
    function toInt8(int256 value) internal pure returns (int8) {
        require(
            value >= type(int8).min && value <= type(int8).max,
            "SafeCast: value doesn't fit in 8 bits"
        );
        return int8(value);
    }

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

// SPDX-License-Identifier: AGPL-3.0
/* ———————————————————————————————————————————————————————————————————————————————— *
 *    _____     ______   ______     __     __   __     __     ______   __  __       *
 *   /\  __-.  /\__  _\ /\  == \   /\ \   /\ "-.\ \   /\ \   /\__  _\ /\ \_\ \      *
 *   \ \ \/\ \ \/_/\ \/ \ \  __<   \ \ \  \ \ \-.  \  \ \ \  \/_/\ \/ \ \____ \     *
 *    \ \____-    \ \_\  \ \_\ \_\  \ \_\  \ \_\\"\_\  \ \_\    \ \_\  \/\_____\    *
 *     \/____/     \/_/   \/_/ /_/   \/_/   \/_/ \/_/   \/_/     \/_/   \/_____/    *
 *                                                                                  *
 * ————————————————————————————————— dtrinity.org ————————————————————————————————— *
 *                                                                                  *
 *                                         ▲                                        *
 *                                        ▲ ▲                                       *
 *                                                                                  *
 * ———————————————————————————————————————————————————————————————————————————————— *
 * dTRINITY Protocol: https://github.com/dtrinity                                   *
 * ———————————————————————————————————————————————————————————————————————————————— */

pragma solidity ^0.8.0;

/**
 * @title Initializable
 *
 * @dev Helper contract to support initializer functions. To use it, replace
 * the constructor with a function that has the `initializer` modifier.
 * WARNING: Unlike constructors, initializer functions must be manually
 * invoked. This applies both to deploying an Initializable contract, as well
 * as extending an Initializable contract via inheritance.
 * WARNING: When used with inheritance, manual care must be taken to not invoke
 * a parent initializer twice, or ensure that all initializers are idempotent,
 * because this is not dealt with automatically as with constructors.
 */
contract Initializable {
    /**
     * @dev Indicates that the contract has been initialized.
     */
    bool private initialized;

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

    /**
     * @dev Modifier to use in the initializer function of a contract.
     */
    modifier initializer() {
        require(
            initializing || isConstructor() || !initialized,
            "Contract instance has already been initialized"
        );

        bool isTopLevelCall = !initializing;
        if (isTopLevelCall) {
            initializing = true;
            initialized = true;
        }

        _;

        if (isTopLevelCall) {
            initializing = false;
        }
    }

    /// @dev Returns true if and only if the function is running in the constructor
    function isConstructor() private view returns (bool) {
        // extcodesize checks the size of the code stored in an address, and
        // address returns the current address. Since the code is still not
        // deployed when running a constructor, any checks on its code size will
        // yield zero, making it an effective way to detect if a contract is
        // under construction or not.
        uint256 cs;
        //solium-disable-next-line
        assembly {
            cs := extcodesize(address())
        }
        return cs == 0;
    }

    // Reserved storage space to allow for layout changes in the future.
    uint256[50] private ______gap;
}

// SPDX-License-Identifier: AGPL-3.0
/* ———————————————————————————————————————————————————————————————————————————————— *
 *    _____     ______   ______     __     __   __     __     ______   __  __       *
 *   /\  __-.  /\__  _\ /\  == \   /\ \   /\ "-.\ \   /\ \   /\__  _\ /\ \_\ \      *
 *   \ \ \/\ \ \/_/\ \/ \ \  __<   \ \ \  \ \ \-.  \  \ \ \  \/_/\ \/ \ \____ \     *
 *    \ \____-    \ \_\  \ \_\ \_\  \ \_\  \ \_\\"\_\  \ \_\    \ \_\  \/\_____\    *
 *     \/____/     \/_/   \/_/ /_/   \/_/   \/_/ \/_/   \/_/     \/_/   \/_____/    *
 *                                                                                  *
 * ————————————————————————————————— dtrinity.org ————————————————————————————————— *
 *                                                                                  *
 *                                         ▲                                        *
 *                                        ▲ ▲                                       *
 *                                                                                  *
 * ———————————————————————————————————————————————————————————————————————————————— *
 * dTRINITY Protocol: https://github.com/dtrinity                                   *
 * ———————————————————————————————————————————————————————————————————————————————— */

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

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

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

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

// SPDX-License-Identifier: AGPL-3.0
/* ———————————————————————————————————————————————————————————————————————————————— *
 *    _____     ______   ______     __     __   __     __     ______   __  __       *
 *   /\  __-.  /\__  _\ /\  == \   /\ \   /\ "-.\ \   /\ \   /\__  _\ /\ \_\ \      *
 *   \ \ \/\ \ \/_/\ \/ \ \  __<   \ \ \  \ \ \-.  \  \ \ \  \/_/\ \/ \ \____ \     *
 *    \ \____-    \ \_\  \ \_\ \_\  \ \_\  \ \_\\"\_\  \ \_\    \ \_\  \/\_____\    *
 *     \/____/     \/_/   \/_/ /_/   \/_/   \/_/ \/_/   \/_/     \/_/   \/_____/    *
 *                                                                                  *
 * ————————————————————————————————— dtrinity.org ————————————————————————————————— *
 *                                                                                  *
 *                                         ▲                                        *
 *                                        ▲ ▲                                       *
 *                                                                                  *
 * ———————————————————————————————————————————————————————————————————————————————— *
 * dTRINITY Protocol: https://github.com/dtrinity                                   *
 * ———————————————————————————————————————————————————————————————————————————————— */

pragma solidity ^0.8.0;

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

/**
 * @title IERC20WithPermit
 * @author Aave
 * @notice Interface for the permit function (EIP-2612)
 */
interface IERC20WithPermit is IERC20 {
    /**
     * @notice Allow passing a signed message to approve spending
     * @dev implements the permit function as for
     * https://github.com/ethereum/EIPs/blob/8a34d644aacf0f9f8f00815307fd7dd5da07655f/EIPS/eip-2612.md
     * @param owner The owner of the funds
     * @param spender The spender
     * @param value The amount
     * @param deadline The deadline timestamp, type(uint256).max for max deadline
     * @param v Signature param
     * @param s Signature param
     * @param r Signature param
     */
    function permit(
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external;
}

// SPDX-License-Identifier: AGPL-3.0
/* ———————————————————————————————————————————————————————————————————————————————— *
 *    _____     ______   ______     __     __   __     __     ______   __  __       *
 *   /\  __-.  /\__  _\ /\  == \   /\ \   /\ "-.\ \   /\ \   /\__  _\ /\ \_\ \      *
 *   \ \ \/\ \ \/_/\ \/ \ \  __<   \ \ \  \ \ \-.  \  \ \ \  \/_/\ \/ \ \____ \     *
 *    \ \____-    \ \_\  \ \_\ \_\  \ \_\  \ \_\\"\_\  \ \_\    \ \_\  \/\_____\    *
 *     \/____/     \/_/   \/_/ /_/   \/_/   \/_/ \/_/   \/_/     \/_/   \/_____/    *
 *                                                                                  *
 * ————————————————————————————————— dtrinity.org ————————————————————————————————— *
 *                                                                                  *
 *                                         ▲                                        *
 *                                        ▲ ▲                                       *
 *                                                                                  *
 * ———————————————————————————————————————————————————————————————————————————————— *
 * dTRINITY Protocol: https://github.com/dtrinity                                   *
 * ———————————————————————————————————————————————————————————————————————————————— */

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: AGPL-3.0
/* ———————————————————————————————————————————————————————————————————————————————— *
 *    _____     ______   ______     __     __   __     __     ______   __  __       *
 *   /\  __-.  /\__  _\ /\  == \   /\ \   /\ "-.\ \   /\ \   /\__  _\ /\ \_\ \      *
 *   \ \ \/\ \ \/_/\ \/ \ \  __<   \ \ \  \ \ \-.  \  \ \ \  \/_/\ \/ \ \____ \     *
 *    \ \____-    \ \_\  \ \_\ \_\  \ \_\  \ \_\\"\_\  \ \_\    \ \_\  \/\_____\    *
 *     \/____/     \/_/   \/_/ /_/   \/_/   \/_/ \/_/   \/_/     \/_/   \/_____/    *
 *                                                                                  *
 * ————————————————————————————————— dtrinity.org ————————————————————————————————— *
 *                                                                                  *
 *                                         ▲                                        *
 *                                        ▲ ▲                                       *
 *                                                                                  *
 * ———————————————————————————————————————————————————————————————————————————————— *
 * dTRINITY Protocol: https://github.com/dtrinity                                   *
 * ———————————————————————————————————————————————————————————————————————————————— */

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 getAddressFromID(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: AGPL-3.0
/* ———————————————————————————————————————————————————————————————————————————————— *
 *    _____     ______   ______     __     __   __     __     ______   __  __       *
 *   /\  __-.  /\__  _\ /\  == \   /\ \   /\ "-.\ \   /\ \   /\__  _\ /\ \_\ \      *
 *   \ \ \/\ \ \/_/\ \/ \ \  __<   \ \ \  \ \ \-.  \  \ \ \  \/_/\ \/ \ \____ \     *
 *    \ \____-    \ \_\  \ \_\ \_\  \ \_\  \ \_\\"\_\  \ \_\    \ \_\  \/\_____\    *
 *     \/____/     \/_/   \/_/ /_/   \/_/   \/_/ \/_/   \/_/     \/_/   \/_____/    *
 *                                                                                  *
 * ————————————————————————————————— dtrinity.org ————————————————————————————————— *
 *                                                                                  *
 *                                         ▲                                        *
 *                                        ▲ ▲                                       *
 *                                                                                  *
 * ———————————————————————————————————————————————————————————————————————————————— *
 * dTRINITY Protocol: https://github.com/dtrinity                                   *
 * ———————————————————————————————————————————————————————————————————————————————— */

pragma solidity ^0.8.0;

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

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

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

// SPDX-License-Identifier: AGPL-3.0
/* ———————————————————————————————————————————————————————————————————————————————— *
 *    _____     ______   ______     __     __   __     __     ______   __  __       *
 *   /\  __-.  /\__  _\ /\  == \   /\ \   /\ "-.\ \   /\ \   /\__  _\ /\ \_\ \      *
 *   \ \ \/\ \ \/_/\ \/ \ \  __<   \ \ \  \ \ \-.  \  \ \ \  \/_/\ \/ \ \____ \     *
 *    \ \____-    \ \_\  \ \_\ \_\  \ \_\  \ \_\\"\_\  \ \_\    \ \_\  \/\_____\    *
 *     \/____/     \/_/   \/_/ /_/   \/_/   \/_/ \/_/   \/_/     \/_/   \/_____/    *
 *                                                                                  *
 * ————————————————————————————————— dtrinity.org ————————————————————————————————— *
 *                                                                                  *
 *                                         ▲                                        *
 *                                        ▲ ▲                                       *
 *                                                                                  *
 * ———————————————————————————————————————————————————————————————————————————————— *
 * dTRINITY Protocol: https://github.com/dtrinity                                   *
 * ———————————————————————————————————————————————————————————————————————————————— */

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: BUSL-1.1
/* ———————————————————————————————————————————————————————————————————————————————— *
 *    _____     ______   ______     __     __   __     __     ______   __  __       *
 *   /\  __-.  /\__  _\ /\  == \   /\ \   /\ "-.\ \   /\ \   /\__  _\ /\ \_\ \      *
 *   \ \ \/\ \ \/_/\ \/ \ \  __<   \ \ \  \ \ \-.  \  \ \ \  \/_/\ \/ \ \____ \     *
 *    \ \____-    \ \_\  \ \_\ \_\  \ \_\  \ \_\\"\_\  \ \_\    \ \_\  \/\_____\    *
 *     \/____/     \/_/   \/_/ /_/   \/_/   \/_/ \/_/   \/_/     \/_/   \/_____/    *
 *                                                                                  *
 * ————————————————————————————————— dtrinity.org ————————————————————————————————— *
 *                                                                                  *
 *                                         ▲                                        *
 *                                        ▲ ▲                                       *
 *                                                                                  *
 * ———————————————————————————————————————————————————————————————————————————————— *
 * dTRINITY Protocol: https://github.com/dtrinity                                   *
 * ———————————————————————————————————————————————————————————————————————————————— */

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: BUSL-1.1
/* ———————————————————————————————————————————————————————————————————————————————— *
 *    _____     ______   ______     __     __   __     __     ______   __  __       *
 *   /\  __-.  /\__  _\ /\  == \   /\ \   /\ "-.\ \   /\ \   /\__  _\ /\ \_\ \      *
 *   \ \ \/\ \ \/_/\ \/ \ \  __<   \ \ \  \ \ \-.  \  \ \ \  \/_/\ \/ \ \____ \     *
 *    \ \____-    \ \_\  \ \_\ \_\  \ \_\  \ \_\\"\_\  \ \_\    \ \_\  \/\_____\    *
 *     \/____/     \/_/   \/_/ /_/   \/_/   \/_/ \/_/   \/_/     \/_/   \/_____/    *
 *                                                                                  *
 * ————————————————————————————————— dtrinity.org ————————————————————————————————— *
 *                                                                                  *
 *                                         ▲                                        *
 *                                        ▲ ▲                                       *
 *                                                                                  *
 * ———————————————————————————————————————————————————————————————————————————————— *
 * dTRINITY Protocol: https://github.com/dtrinity                                   *
 * ———————————————————————————————————————————————————————————————————————————————— */

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_OR_LTV_ZERO = "62"; // 'User is in isolation mode or ltv is zero'
    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: BUSL-1.1
/* ———————————————————————————————————————————————————————————————————————————————— *
 *    _____     ______   ______     __     __   __     __     ______   __  __       *
 *   /\  __-.  /\__  _\ /\  == \   /\ \   /\ "-.\ \   /\ \   /\__  _\ /\ \_\ \      *
 *   \ \ \/\ \ \/_/\ \/ \ \  __<   \ \ \  \ \ \-.  \  \ \ \  \/_/\ \/ \ \____ \     *
 *    \ \____-    \ \_\  \ \_\ \_\  \ \_\  \ \_\\"\_\  \ \_\    \ \_\  \/\_____\    *
 *     \/____/     \/_/   \/_/ /_/   \/_/   \/_/ \/_/   \/_/     \/_/   \/_____/    *
 *                                                                                  *
 * ————————————————————————————————— dtrinity.org ————————————————————————————————— *
 *                                                                                  *
 *                                         ▲                                        *
 *                                        ▲ ▲                                       *
 *                                                                                  *
 * ———————————————————————————————————————————————————————————————————————————————— *
 * dTRINITY Protocol: https://github.com/dtrinity                                   *
 * ———————————————————————————————————————————————————————————————————————————————— */

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: BUSL-1.1
/* ———————————————————————————————————————————————————————————————————————————————— *
 *    _____     ______   ______     __     __   __     __     ______   __  __       *
 *   /\  __-.  /\__  _\ /\  == \   /\ \   /\ "-.\ \   /\ \   /\__  _\ /\ \_\ \      *
 *   \ \ \/\ \ \/_/\ \/ \ \  __<   \ \ \  \ \ \-.  \  \ \ \  \/_/\ \/ \ \____ \     *
 *    \ \____-    \ \_\  \ \_\ \_\  \ \_\  \ \_\\"\_\  \ \_\    \ \_\  \/\_____\    *
 *     \/____/     \/_/   \/_/ /_/   \/_/   \/_/ \/_/   \/_/     \/_/   \/_____/    *
 *                                                                                  *
 * ————————————————————————————————— dtrinity.org ————————————————————————————————— *
 *                                                                                  *
 *                                         ▲                                        *
 *                                        ▲ ▲                                       *
 *                                                                                  *
 * ———————————————————————————————————————————————————————————————————————————————— *
 * dTRINITY Protocol: https://github.com/dtrinity                                   *
 * ———————————————————————————————————————————————————————————————————————————————— */

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
/* ———————————————————————————————————————————————————————————————————————————————— *
 *    _____     ______   ______     __     __   __     __     ______   __  __       *
 *   /\  __-.  /\__  _\ /\  == \   /\ \   /\ "-.\ \   /\ \   /\__  _\ /\ \_\ \      *
 *   \ \ \/\ \ \/_/\ \/ \ \  __<   \ \ \  \ \ \-.  \  \ \ \  \/_/\ \/ \ \____ \     *
 *    \ \____-    \ \_\  \ \_\ \_\  \ \_\  \ \_\\"\_\  \ \_\    \ \_\  \/\_____\    *
 *     \/____/     \/_/   \/_/ /_/   \/_/   \/_/ \/_/   \/_/     \/_/   \/_____/    *
 *                                                                                  *
 * ————————————————————————————————— dtrinity.org ————————————————————————————————— *
 *                                                                                  *
 *                                         ▲                                        *
 *                                        ▲ ▲                                       *
 *                                                                                  *
 * ———————————————————————————————————————————————————————————————————————————————— *
 * dTRINITY Protocol: https://github.com/dtrinity                                   *
 * ———————————————————————————————————————————————————————————————————————————————— */

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: siloed borrowing enabled
        //bit 63: flashloaning enabled
        //bit 64-79: reserve factor
        //bit 80-115 borrow cap in whole tokens, borrowCap == 0 => no cap
        //bit 116-151 supply cap in whole tokens, supplyCap == 0 => no cap
        //bit 152-167 liquidation protocol fee
        //bit 168-175 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: AGPL-3.0
/* ———————————————————————————————————————————————————————————————————————————————— *
 *    _____     ______   ______     __     __   __     __     ______   __  __       *
 *   /\  __-.  /\__  _\ /\  == \   /\ \   /\ "-.\ \   /\ \   /\__  _\ /\ \_\ \      *
 *   \ \ \/\ \ \/_/\ \/ \ \  __<   \ \ \  \ \ \-.  \  \ \ \  \/_/\ \/ \ \____ \     *
 *    \ \____-    \ \_\  \ \_\ \_\  \ \_\  \ \_\\"\_\  \ \_\    \ \_\  \/\_____\    *
 *     \/____/     \/_/   \/_/ /_/   \/_/   \/_/ \/_/   \/_/     \/_/   \/_____/    *
 *                                                                                  *
 * ————————————————————————————————— dtrinity.org ————————————————————————————————— *
 *                                                                                  *
 *                                         ▲                                        *
 *                                        ▲ ▲                                       *
 *                                                                                  *
 * ———————————————————————————————————————————————————————————————————————————————— *
 * dTRINITY Protocol: https://github.com/dtrinity                                   *
 * ———————————————————————————————————————————————————————————————————————————————— */

pragma solidity ^0.8.10;

import {IAaveOracle} from "contracts/lending/core/interfaces/IAaveOracle.sol";
import {IRewardsDistributor} from "./IRewardsDistributor.sol";
import {ITransferStrategyBase} from "./ITransferStrategyBase.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 IAaveOracle interface.
     * 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 IAaveOracle interface
     */
    function setRewardOracle(address reward, IAaveOracle 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);

    /**
     * @dev Recieve more fund from the user to existing reward
     * @param reward The reward address is being distributed
     * @param amount The token amount is being funded
     * @param from The address of the one who funds the rewards
     */
    function depositRewardFrom(
        address reward,
        uint256 amount,
        address from
    ) external;
}

// SPDX-License-Identifier: AGPL-3.0
/* ———————————————————————————————————————————————————————————————————————————————— *
 *    _____     ______   ______     __     __   __     __     ______   __  __       *
 *   /\  __-.  /\__  _\ /\  == \   /\ \   /\ "-.\ \   /\ \   /\__  _\ /\ \_\ \      *
 *   \ \ \/\ \ \/_/\ \/ \ \  __<   \ \ \  \ \ \-.  \  \ \ \  \/_/\ \/ \ \____ \     *
 *    \ \____-    \ \_\  \ \_\ \_\  \ \_\  \ \_\\"\_\  \ \_\    \ \_\  \/\_____\    *
 *     \/____/     \/_/   \/_/ /_/   \/_/   \/_/ \/_/   \/_/     \/_/   \/_____/    *
 *                                                                                  *
 * ————————————————————————————————— dtrinity.org ————————————————————————————————— *
 *                                                                                  *
 *                                         ▲                                        *
 *                                        ▲ ▲                                       *
 *                                                                                  *
 * ———————————————————————————————————————————————————————————————————————————————— *
 * dTRINITY Protocol: https://github.com/dtrinity                                   *
 * ———————————————————————————————————————————————————————————————————————————————— */

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
/* ———————————————————————————————————————————————————————————————————————————————— *
 *    _____     ______   ______     __     __   __     __     ______   __  __       *
 *   /\  __-.  /\__  _\ /\  == \   /\ \   /\ "-.\ \   /\ \   /\__  _\ /\ \_\ \      *
 *   \ \ \/\ \ \/_/\ \/ \ \  __<   \ \ \  \ \ \-.  \  \ \ \  \/_/\ \/ \ \____ \     *
 *    \ \____-    \ \_\  \ \_\ \_\  \ \_\  \ \_\\"\_\  \ \_\    \ \_\  \/\_____\    *
 *     \/____/     \/_/   \/_/ /_/   \/_/   \/_/ \/_/   \/_/     \/_/   \/_____/    *
 *                                                                                  *
 * ————————————————————————————————— dtrinity.org ————————————————————————————————— *
 *                                                                                  *
 *                                         ▲                                        *
 *                                        ▲ ▲                                       *
 *                                                                                  *
 * ———————————————————————————————————————————————————————————————————————————————— *
 * dTRINITY Protocol: https://github.com/dtrinity                                   *
 * ———————————————————————————————————————————————————————————————————————————————— */

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
/* ———————————————————————————————————————————————————————————————————————————————— *
 *    _____     ______   ______     __     __   __     __     ______   __  __       *
 *   /\  __-.  /\__  _\ /\  == \   /\ \   /\ "-.\ \   /\ \   /\__  _\ /\ \_\ \      *
 *   \ \ \/\ \ \/_/\ \/ \ \  __<   \ \ \  \ \ \-.  \  \ \ \  \/_/\ \/ \ \____ \     *
 *    \ \____-    \ \_\  \ \_\ \_\  \ \_\  \ \_\\"\_\  \ \_\    \ \_\  \/\_____\    *
 *     \/____/     \/_/   \/_/ /_/   \/_/   \/_/ \/_/   \/_/     \/_/   \/_____/    *
 *                                                                                  *
 * ————————————————————————————————— dtrinity.org ————————————————————————————————— *
 *                                                                                  *
 *                                         ▲                                        *
 *                                        ▲ ▲                                       *
 *                                                                                  *
 * ———————————————————————————————————————————————————————————————————————————————— *
 * dTRINITY Protocol: https://github.com/dtrinity                                   *
 * ———————————————————————————————————————————————————————————————————————————————— */

pragma solidity ^0.8.10;

import {IAaveOracle} from "contracts/lending/core/interfaces/IAaveOracle.sol";
import {ITransferStrategyBase} from "../interfaces/ITransferStrategyBase.sol";

library RewardsDataTypes {
    struct RewardsConfigInput {
        uint88 emissionPerSecond;
        uint256 totalSupply;
        uint32 distributionEnd;
        address asset;
        address reward;
        ITransferStrategyBase transferStrategy;
        IAaveOracle 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 v5.0.0) (utils/cryptography/ECDSA.sol)

pragma solidity ^0.8.20;

/**
 * @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations.
 *
 * These functions can be used to verify that a message was signed by the holder
 * of the private keys of a given address.
 */
library ECDSA {
    enum RecoverError {
        NoError,
        InvalidSignature,
        InvalidSignatureLength,
        InvalidSignatureS
    }

    /**
     * @dev The signature derives the `address(0)`.
     */
    error ECDSAInvalidSignature();

    /**
     * @dev The signature has an invalid length.
     */
    error ECDSAInvalidSignatureLength(uint256 length);

    /**
     * @dev The signature has an S value that is in the upper half order.
     */
    error ECDSAInvalidSignatureS(bytes32 s);

    /**
     * @dev Returns the address that signed a hashed message (`hash`) with `signature` or an error. This will not
     * return address(0) without also returning an error description. Errors are documented using an enum (error type)
     * and a bytes32 providing additional information about the error.
     *
     * If no error is returned, then the address can be used for verification purposes.
     *
     * The `ecrecover` EVM precompile allows for malleable (non-unique) signatures:
     * this function rejects them by requiring the `s` value to be in the lower
     * half order, and the `v` value to be either 27 or 28.
     *
     * IMPORTANT: `hash` _must_ be the result of a hash operation for the
     * verification to be secure: it is possible to craft signatures that
     * recover to arbitrary addresses for non-hashed data. A safe way to ensure
     * this is by receiving a hash of the original message (which may otherwise
     * be too long), and then calling {MessageHashUtils-toEthSignedMessageHash} on it.
     *
     * Documentation for signature generation:
     * - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js]
     * - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers]
     */
    function tryRecover(
        bytes32 hash,
        bytes memory signature
    ) internal pure returns (address, RecoverError, bytes32) {
        if (signature.length == 65) {
            bytes32 r;
            bytes32 s;
            uint8 v;
            // ecrecover takes the signature parameters, and the only way to get them
            // currently is to use assembly.
            /// @solidity memory-safe-assembly
            assembly {
                r := mload(add(signature, 0x20))
                s := mload(add(signature, 0x40))
                v := byte(0, mload(add(signature, 0x60)))
            }
            return tryRecover(hash, v, r, s);
        } else {
            return (
                address(0),
                RecoverError.InvalidSignatureLength,
                bytes32(signature.length)
            );
        }
    }

    /**
     * @dev Returns the address that signed a hashed message (`hash`) with
     * `signature`. This address can then be used for verification purposes.
     *
     * The `ecrecover` EVM precompile allows for malleable (non-unique) signatures:
     * this function rejects them by requiring the `s` value to be in the lower
     * half order, and the `v` value to be either 27 or 28.
     *
     * IMPORTANT: `hash` _must_ be the result of a hash operation for the
     * verification to be secure: it is possible to craft signatures that
     * recover to arbitrary addresses for non-hashed data. A safe way to ensure
     * this is by receiving a hash of the original message (which may otherwise
     * be too long), and then calling {MessageHashUtils-toEthSignedMessageHash} on it.
     */
    function recover(
        bytes32 hash,
        bytes memory signature
    ) internal pure returns (address) {
        (address recovered, RecoverError error, bytes32 errorArg) = tryRecover(
            hash,
            signature
        );
        _throwError(error, errorArg);
        return recovered;
    }

    /**
     * @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately.
     *
     * See https://eips.ethereum.org/EIPS/eip-2098[EIP-2098 short signatures]
     */
    function tryRecover(
        bytes32 hash,
        bytes32 r,
        bytes32 vs
    ) internal pure returns (address, RecoverError, bytes32) {
        unchecked {
            bytes32 s = vs &
                bytes32(
                    0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
                );
            // We do not check for an overflow here since the shift operation results in 0 or 1.
            uint8 v = uint8((uint256(vs) >> 255) + 27);
            return tryRecover(hash, v, r, s);
        }
    }

    /**
     * @dev Overload of {ECDSA-recover} that receives the `r and `vs` short-signature fields separately.
     */
    function recover(
        bytes32 hash,
        bytes32 r,
        bytes32 vs
    ) internal pure returns (address) {
        (address recovered, RecoverError error, bytes32 errorArg) = tryRecover(
            hash,
            r,
            vs
        );
        _throwError(error, errorArg);
        return recovered;
    }

    /**
     * @dev Overload of {ECDSA-tryRecover} that receives the `v`,
     * `r` and `s` signature fields separately.
     */
    function tryRecover(
        bytes32 hash,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal pure returns (address, RecoverError, bytes32) {
        // EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature
        // unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines
        // the valid range for s in (301): 0 < s < secp256k1n ÷ 2 + 1, and for v in (302): v ∈ {27, 28}. Most
        // signatures from current libraries generate a unique signature with an s-value in the lower half order.
        //
        // If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value
        // with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or
        // vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept
        // these malleable signatures as well.
        if (
            uint256(s) >
            0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0
        ) {
            return (address(0), RecoverError.InvalidSignatureS, s);
        }

        // If the signature is valid (and not malleable), return the signer address
        address signer = ecrecover(hash, v, r, s);
        if (signer == address(0)) {
            return (address(0), RecoverError.InvalidSignature, bytes32(0));
        }

        return (signer, RecoverError.NoError, bytes32(0));
    }

    /**
     * @dev Overload of {ECDSA-recover} that receives the `v`,
     * `r` and `s` signature fields separately.
     */
    function recover(
        bytes32 hash,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal pure returns (address) {
        (address recovered, RecoverError error, bytes32 errorArg) = tryRecover(
            hash,
            v,
            r,
            s
        );
        _throwError(error, errorArg);
        return recovered;
    }

    /**
     * @dev Optionally reverts with the corresponding custom error according to the `error` argument provided.
     */
    function _throwError(RecoverError error, bytes32 errorArg) private pure {
        if (error == RecoverError.NoError) {
            return; // no error: do nothing
        } else if (error == RecoverError.InvalidSignature) {
            revert ECDSAInvalidSignature();
        } else if (error == RecoverError.InvalidSignatureLength) {
            revert ECDSAInvalidSignatureLength(uint256(errorArg));
        } else if (error == RecoverError.InvalidSignatureS) {
            revert ECDSAInvalidSignatureS(errorArg);
        }
    }
}

// SPDX-License-Identifier: AGPL-3.0-only
pragma solidity ^0.8.20;

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

/// @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 {
    bytes32 public constant PERMIT_TYPEHASH =
        keccak256(
            "Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)"
        );

    /* //////////////////////////////////////////////////////////////
                        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
  ////////////////////////////////////////////////////////////// */

    mapping(address => uint256) public nonces;

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

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

    /* //////////////////////////////////////////////////////////////
                        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 signer = ECDSA.recover(
                keccak256(
                    abi.encodePacked(
                        "\x19\x01",
                        DOMAIN_SEPARATOR(),
                        keccak256(
                            abi.encode(
                                PERMIT_TYPEHASH,
                                owner,
                                spender,
                                value,
                                nonces[owner]++,
                                deadline
                            )
                        )
                    )
                ),
                v,
                r,
                s
            );

            require(signer == owner, "INVALID_SIGNER");

            allowance[signer][spender] = value;
        }

        emit Approval(owner, spender, value);
    }

    function DOMAIN_SEPARATOR() public view virtual returns (bytes32) {
        return 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 ^0.8.20;

import {IRewardsController} from "../../../lending/periphery/rewards/interfaces/IRewardsController.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: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (interfaces/IERC4626.sol)

pragma solidity ^0.8.20;

/**
 * @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.
     * 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 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 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 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 ^0.8.20;

import {IERC20} from "@openzeppelin/contracts-5/token/ERC20/IERC20.sol";
import {IPool} from "contracts/lending/core/interfaces/IPool.sol";
import {IRewardsController} from "contracts/lending/periphery/rewards/interfaces/IRewardsController.sol";

interface IStaticATokenLM {
    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 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 assets 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 depositToAave 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 assets,
        uint16 referralCode,
        bool depositToAave,
        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 shares The amount of staticAToken to withdraw. If > 0, `assets` needs to be 0
     * @param assets The amount of underlying/aToken to withdraw. If > 0, `shares` needs to be 0
     * @param withdrawFromAave 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 shares,
        uint256 assets,
        bool withdrawFromAave,
        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 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);

    /**
     * @notice Deposits aTokens and mints static aTokens to the receiver
     * @param aTokenAmount The amount of aTokens to deposit
     * @param receiver The address that will receive the static aTokens
     * @return uint256 The amount of StaticAToken minted, static balance
     */
    function depositATokens(
        uint256 aTokenAmount,
        address receiver
    ) external returns (uint256);

    /**
     * @notice Burns static aTokens and returns aTokens to the receiver
     * @param shares The amount of static aTokens to burn
     * @param receiver The address that will receive the aTokens
     * @param owner The address whose static aTokens will be burned
     * @return uint256 The amount of aTokens returned
     */
    function redeemATokens(
        uint256 shares,
        address receiver,
        address owner
    ) external returns (uint256);
}

// SPDX-License-Identifier: agpl-3.0
pragma solidity ^0.8.20;

import {Math} from "@openzeppelin/contracts-5/utils/math/Math.sol";

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 Math.mulDiv(a, b, RAY); // default is rounding down
    }

    function rayMulRoundUp(
        uint256 a,
        uint256 b
    ) internal pure returns (uint256) {
        if (a == 0 || b == 0) {
            return 0;
        }
        return Math.mulDiv(a, b, RAY, Math.Rounding.Ceil);
    }

    function rayDivRoundDown(
        uint256 a,
        uint256 b
    ) internal pure returns (uint256) {
        return Math.mulDiv(a, RAY, b); // rounding down
    }

    function rayDivRoundUp(
        uint256 a,
        uint256 b
    ) internal pure returns (uint256) {
        return Math.mulDiv(a, RAY, b, Math.Rounding.Ceil);
    }

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

// SPDX-License-Identifier: agpl-3.0
pragma solidity ^0.8.20;

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";
}

{
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "viaIR": true,
  "evmVersion": "paris",
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "metadata": {
    "useLiteralContent": true
  },
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

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IRewardsController","name":"rewardsController","type":"address"},{"internalType":"address","name":"newAToken","type":"address"},{"internalType":"string","name":"staticATokenName","type":"string"},{"internalType":"string","name":"staticATokenSymbol","type":"string"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"address","name":"target","type":"address"}],"name":"AddressEmptyCode","type":"error"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"AddressInsufficientBalance","type":"error"},{"inputs":[],"name":"ECDSAInvalidSignature","type":"error"},{"inputs":[{"internalType":"uint256","name":"length","type":"uint256"}],"name":"ECDSAInvalidSignatureLength","type":"error"},{"inputs":[{"internalType":"bytes32","name":"s","type":"bytes32"}],"name":"ECDSAInvalidSignatureS","type":"error"},{"inputs":[],"name":"FailedInnerCall","type":"error"},{"inputs":[],"name":"MathOverflowedMulDiv","type":"error"},{"inputs":[{"internalType":"address","name":"token","type":"address"}],"name":"SafeERC20FailedOperation","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"sender","type":"address"},{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":false,"internalType":"uint256","name":"assets","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"shares","type":"uint256"}],"name":"Deposit","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"reward","type":"address"},{"indexed":false,"internalType":"uint256","name":"startIndex","type":"uint256"}],"name":"RewardTokenRegistered","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"sender","type":"address"},{"indexed":true,"internalType":"address","name":"receiver","type":"address"},{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":false,"internalType":"uint256","name":"assets","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"shares","type":"uint256"}],"name":"Withdraw","type":"event"},{"inputs":[],"name":"DOMAIN_SEPARATOR","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"METADEPOSIT_TYPEHASH","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"METAWITHDRAWAL_TYPEHASH","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"PERMIT_TYPEHASH","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"POOL","outputs":[{"internalType":"contract IPool","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"REWARDS_CONTROLLER","outputs":[{"internalType":"contract IRewardsController","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"STATIC__ATOKEN_LM_REVISION","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"aToken","outputs":[{"internalType":"contract IERC20","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"address","name":"","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"asset","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"receiver","type":"address"},{"internalType":"address[]","name":"rewards","type":"address[]"}],"name":"claimRewards","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"onBehalfOf","type":"address"},{"internalType":"address","name":"receiver","type":"address"},{"internalType":"address[]","name":"rewards","type":"address[]"}],"name":"claimRewardsOnBehalf","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address[]","name":"rewards","type":"address[]"}],"name":"claimRewardsToSelf","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"reward","type":"address"}],"name":"collectAndUpdateRewards","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"shares","type":"uint256"}],"name":"convertToAssets","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"assets","type":"uint256"}],"name":"convertToShares","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"assets","type":"uint256"},{"internalType":"address","name":"receiver","type":"address"}],"name":"deposit","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"aTokenAmount","type":"uint256"},{"internalType":"address","name":"receiver","type":"address"}],"name":"depositATokens","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"},{"internalType":"address","name":"reward","type":"address"}],"name":"getClaimableRewards","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"reward","type":"address"}],"name":"getCurrentRewardsIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"reward","type":"address"}],"name":"getTotalClaimableRewards","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"},{"internalType":"address","name":"reward","type":"address"}],"name":"getUnclaimedRewards","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"reward","type":"address"}],"name":"isRegisteredRewardToken","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"maxDeposit","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"maxMint","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"maxRedeem","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"maxWithdraw","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"depositor","type":"address"},{"internalType":"address","name":"receiver","type":"address"},{"internalType":"uint256","name":"assets","type":"uint256"},{"internalType":"uint16","name":"referralCode","type":"uint16"},{"internalType":"bool","name":"depositToAave","type":"bool"},{"internalType":"uint256","name":"deadline","type":"uint256"},{"components":[{"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"}],"internalType":"struct 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IStaticATokenLM.SignatureParams","name":"sigParams","type":"tuple"}],"name":"metaDeposit","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"receiver","type":"address"},{"internalType":"uint256","name":"shares","type":"uint256"},{"internalType":"uint256","name":"assets","type":"uint256"},{"internalType":"bool","name":"withdrawFromAave","type":"bool"},{"internalType":"uint256","name":"deadline","type":"uint256"},{"components":[{"internalType":"uint8","name":"v","type":"uint8"},{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"s","type":"bytes32"}],"internalType":"struct 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"}],"name":"redeemATokens","outputs":[{"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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

-----Decoded View---------------
Arg [0] : pool (address): 0xD76C827Ee2Ce1E37c37Fc2ce91376812d3c9BCE2
Arg [1] : rewardsController (address): 0x0000000000000000000000000000000000000000
Arg [2] : newAToken (address): 0x29d0256fe397F6e442464982C4Cba7670646059b
Arg [3] : staticATokenName (string): Wrapped dTRINITY Lend dUSD
Arg [4] : staticATokenSymbol (string): wddUSD

-----Encoded View---------------
9 Constructor Arguments found :
Arg [0] : 000000000000000000000000d76c827ee2ce1e37c37fc2ce91376812d3c9bce2
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000000
Arg [2] : 00000000000000000000000029d0256fe397f6e442464982c4cba7670646059b
Arg [3] : 00000000000000000000000000000000000000000000000000000000000000a0
Arg [4] : 00000000000000000000000000000000000000000000000000000000000000e0
Arg [5] : 000000000000000000000000000000000000000000000000000000000000001a
Arg [6] : 5772617070656420645452494e495459204c656e642064555344000000000000
Arg [7] : 0000000000000000000000000000000000000000000000000000000000000006
Arg [8] : 7764645553440000000000000000000000000000000000000000000000000000