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// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity ^0.8.20;

import {IRecoverable} from "../interfaces/IRecoverable.sol";
import {IFeeManager, FeeStructure} from "../interfaces/IFeeManager.sol";
import {IAccountableStrategy} from "../interfaces/IAccountableStrategy.sol";

import {
    Unauthorized,
    ZeroAddress,
    InvalidManagerSplit,
    InvalidPerformanceFee,
    InvalidEstablishmentFee
} from "../constants/Errors.sol";

import {Math} from "@openzeppelin/contracts/utils/math/Math.sol";
import {Multicall} from "@openzeppelin/contracts/utils/Multicall.sol";
import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import {IERC165} from "@openzeppelin/contracts/utils/introspection/IERC165.sol";
import {SafeERC20} from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import {ReentrancyGuard} from "@openzeppelin/contracts/utils/ReentrancyGuard.sol";
import {Ownable2Step, Ownable} from "@openzeppelin/contracts/access/Ownable2Step.sol";

/// @title FeeManager
/// @notice A contract that manages fees for strategies
contract FeeManager is IFeeManager, Ownable2Step, ReentrancyGuard, Multicall {
    using Math for uint256;
    using SafeERC20 for IERC20;

    /// @notice Whether the strategy has a prepayment fee
    mapping(address strategy => bool hasPrepaymentFee) public _hasPrepaymentFee;

    /// @notice The fee structures for each strategy
    mapping(address strategy => FeeStructure feeStructure) private _feeStructures;

    /// @notice The pending fee structure for each strategy
    mapping(address strategy => FeeStructure pendingFeeStructure) private _pendingFeeStructures;

    /// @dev performance fee in basis points (10%)
    uint256 private constant _performanceFee = 1e5;
    /// @dev establishment fee annualized in bassis points (1%)
    uint256 private constant _establishmentFee = 1e4;
    /// @dev manager split in basis points (50%)
    uint256 private constant _managerSplit = 5e5;
    /// @dev protocol split in basis points (50%)
    uint256 private constant _protocolSplit = 5e5;
    /// @dev prepayment fee in basis points (2%)
    uint256 private constant _prepaymentFee = 2e4;

    /// @dev max performance fee in basis points (50%)
    uint256 public constant MAX_PERFORMANCE_FEE = 5e5;
    /// @dev max establishment fee in basis points (10%)
    uint256 public constant MAX_ESTABLISHMENT_FEE = 1e5;

    /// @dev basis points (100%)
    uint256 public constant BASIS_POINTS = 1e6;

    /// @notice The treasury address
    address public treasury;

    /// @notice The prepayment fees grouped by strategy
    mapping(address strategy => uint256 prepaymentFee) public prepaymentFees;

    /// @notice The protocol fees grouped by asset
    mapping(address asset => uint256 protocolFee) public protocolFees;

    /// @notice The manager fees grouped by (manager, asset, strategy)
    mapping(address manager => mapping(address asset => mapping(address strategy => uint256))) public managerFees;

    modifier onlyTreasury() {
        if (msg.sender != treasury) revert Unauthorized();
        _;
    }

    modifier onlyManager(address strategy) {
        if (msg.sender != IAccountableStrategy(strategy).investmentManager()) revert Unauthorized();
        _;
    }

    constructor(address treasury_, address owner_) Ownable(owner_) {
        treasury = treasury_;
    }

    /// @inheritdoc IFeeManager
    function collect(address asset, uint256 performanceFee_, uint256 establishmentFee_) public nonReentrant {
        _collectFeeSplit(asset, msg.sender, performanceFee_);
        protocolFees[asset] += establishmentFee_;

        IERC20(asset).safeTransferFrom(msg.sender, address(this), establishmentFee_ + performanceFee_);

        emit Collected(asset, msg.sender, performanceFee_, establishmentFee_);
    }

    /// @inheritdoc IFeeManager
    function collectEstablishmentFee(address asset, uint256 amount) public nonReentrant {
        protocolFees[asset] += amount;

        IERC20(asset).safeTransferFrom(msg.sender, address(this), amount);

        emit Collected(asset, msg.sender, 0, amount);
    }

    /// @inheritdoc IFeeManager
    function collectPerformanceFee(address asset, uint256 amount) public nonReentrant {
        _collectFeeSplit(asset, msg.sender, amount);

        IERC20(asset).safeTransferFrom(msg.sender, address(this), amount);

        emit Collected(asset, msg.sender, amount, 0);
    }

    /// @dev Collects fees and splits between manager and protocol
    function _collectFeeSplit(address asset, address strategy, uint256 amount) private {
        address manager = IAccountableStrategy(msg.sender).investmentManager();
        if (manager == address(0)) revert ZeroAddress();

        uint256 managerFee;
        uint256 protocolFee;

        if (managerSplit(strategy) == 0) {
            managerFee = 0;
            protocolFee = amount;
        } else {
            managerFee = _split(amount, managerSplit(strategy));
            protocolFee = amount - managerFee;
        }

        protocolFees[asset] += protocolFee;
        managerFees[manager][asset][strategy] += managerFee;
    }

    /// @inheritdoc IFeeManager
    function withdrawProtocolFee(address asset) public nonReentrant onlyTreasury {
        uint256 amount = protocolFees[asset];
        if (amount > 0) {
            protocolFees[asset] = 0;
            IERC20(asset).safeTransfer(treasury, amount);

            emit Withdraw(asset, address(0), treasury, amount);
        }
    }

    /// @inheritdoc IFeeManager
    function withdrawManagerFee(address receiver, address asset, address strategy) public nonReentrant {
        uint256 amount = managerFees[msg.sender][asset][strategy];
        if (amount > 0) {
            managerFees[msg.sender][asset][strategy] = 0;
            IERC20(asset).safeTransfer(receiver, amount);

            emit Withdraw(asset, strategy, receiver, amount);
        }
    }

    /// @inheritdoc IFeeManager
    function setFeeStructure(address strategy, FeeStructure memory fees) public onlyOwner {
        _requireValidFeeStructure(fees);

        _feeStructures[strategy] = fees;
        _feeStructures[strategy].overrideDefaults = true;
        IAccountableStrategy(strategy).onFeeStructureChange();

        emit FeeStructureSet(strategy, fees);
    }

    /// @inheritdoc IFeeManager
    function setPendingFeeStructure(address strategy, FeeStructure memory fees) public onlyManager(strategy) {
        _requireValidFeeStructure(fees);

        _pendingFeeStructures[strategy] = fees;

        emit PendingFeeStructureSet(strategy, fees);
    }

    function _requireValidFeeStructure(FeeStructure memory fees) private pure {
        if (fees.performanceFee > MAX_PERFORMANCE_FEE) revert InvalidPerformanceFee();
        if (fees.establishmentFee > MAX_ESTABLISHMENT_FEE) revert InvalidEstablishmentFee();
    }

    /// @inheritdoc IFeeManager
    function approvePendingFeeStructure(address strategy) public onlyOwner {
        _feeStructures[strategy] = _pendingFeeStructures[strategy];
        _feeStructures[strategy].overrideDefaults = true;
        delete _pendingFeeStructures[strategy];

        IAccountableStrategy(strategy).onFeeStructureChange();

        emit FeeStructureSet(strategy, _feeStructures[strategy]);
    }

    /// @inheritdoc IFeeManager
    function setPerformanceFee(address strategy, uint256 fee) public onlyManager(strategy) {
        if (fee > MAX_PERFORMANCE_FEE) revert InvalidPerformanceFee();

        FeeStructure memory feeStructure_ = _feeStructures[strategy];
        if (feeStructure_.overrideDefaults) {
            feeStructure_.performanceFee = fee;
        } else {
            feeStructure_.performanceFee = fee;
            feeStructure_.establishmentFee = _establishmentFee;
            feeStructure_.managerSplit = _managerSplit;
            feeStructure_.overrideDefaults = true;
        }

        _feeStructures[strategy] = feeStructure_;
        IAccountableStrategy(strategy).onFeeStructureChange();

        emit PerformanceFeeSet(strategy, fee);
    }

    /// @inheritdoc IFeeManager
    function setPrepaymentFee(address strategy, uint256 fee) public onlyManager(strategy) {
        prepaymentFees[strategy] = fee;
        _hasPrepaymentFee[strategy] = true;
        IAccountableStrategy(strategy).onFeeStructureChange();

        emit PrepaymentFeeSet(strategy, fee);
    }

    /// @inheritdoc IFeeManager
    function setTreasury(address treasury_) public onlyOwner {
        if (treasury_ == address(0)) revert ZeroAddress();
        address oldTreasury = treasury;
        treasury = treasury_;
        emit TreasurySet(oldTreasury, treasury_);
    }

    /// @inheritdoc IFeeManager
    function establishmentFee(address strategy) public view returns (uint256) {
        if (_feeStructures[strategy].overrideDefaults) {
            return _feeStructures[strategy].establishmentFee;
        }
        return _establishmentFee;
    }

    /// @inheritdoc IFeeManager
    function performanceFee(address strategy) public view returns (uint256) {
        if (_feeStructures[strategy].overrideDefaults) {
            return _feeStructures[strategy].performanceFee;
        }
        return _performanceFee;
    }

    /// @inheritdoc IFeeManager
    function managerSplit(address strategy) public view returns (uint256) {
        if (_feeStructures[strategy].overrideDefaults) {
            return _feeStructures[strategy].managerSplit;
        }
        return _managerSplit;
    }

    /// @inheritdoc IFeeManager
    function protocolSplit(address strategy) public view returns (uint256) {
        return BASIS_POINTS - managerSplit(strategy);
    }

    /// @inheritdoc IFeeManager
    function prepaymentFee(address strategy) public view returns (uint256) {
        if (_hasPrepaymentFee[strategy]) {
            return prepaymentFees[strategy];
        }
        return _prepaymentFee;
    }

    /// @inheritdoc IFeeManager
    function feeStructure(address strategy) public view returns (FeeStructure memory) {
        return _feeStructures[strategy];
    }

    /// @inheritdoc IFeeManager
    function pendingFeeStructure(address strategy) public view returns (FeeStructure memory) {
        return _pendingFeeStructures[strategy];
    }

    /// @inheritdoc IFeeManager
    function managerTotalFees(address manager, address asset, address[] calldata strategies)
        public
        view
        returns (uint256 totalFees)
    {
        for (uint256 i = 0; i < strategies.length;) {
            totalFees += managerFees[manager][asset][strategies[i]];
            unchecked {
                ++i;
            }
        }
    }

    /// @inheritdoc IRecoverable
    function recoverTokens(address token, address receiver, uint256 amount) external onlyOwner {
        IERC20(token).safeTransfer(receiver, amount);
    }

    /// @inheritdoc IERC165
    function supportsInterface(bytes4 interfaceId) public pure override returns (bool) {
        return interfaceId == type(IFeeManager).interfaceId || interfaceId == type(IERC165).interfaceId;
    }

    /// @dev Splits an amount by a split percentage
    /// @param amount_ The amount to split
    /// @param split_ The split percentage
    /// @return The split amount
    function _split(uint256 amount_, uint256 split_) private pure returns (uint256) {
        if (split_ == 0) {
            return 0;
        }
        return amount_.mulDiv(split_, BASIS_POINTS, Math.Rounding.Ceil);
    }

    /// @dev Prevents renouncement of ownership
    function renounceOwnership() public virtual override onlyOwner {
        revert Unauthorized();
    }
}

// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity ^0.8.20;

/// @notice Interface for recoverable tokens
interface IRecoverable {
    /// @notice Recovers tokens from the contract
    /// @param token The address of the token to recover
    /// @param to The address to send the recovered tokens to
    /// @param amount The amount of tokens to recover
    function recoverTokens(address token, address to, uint256 amount) external;
}

// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity ^0.8.20;

import {IRecoverable} from "./IRecoverable.sol";
import {IERC165} from "@openzeppelin/contracts/utils/introspection/IERC165.sol";

/// @notice The fee structure for a strategy
struct FeeStructure {
    /// @notice The establishment fee
    uint256 establishmentFee;
    /// @notice The performance fee
    uint256 performanceFee;
    /// @notice The manager split
    uint256 managerSplit;
    /// @notice Whether to override the default fees
    bool overrideDefaults;
}

interface IFeeManager is IRecoverable, IERC165 {
    /// @notice An event that is emitted when fees are collected
    event Collected(address indexed asset, address indexed strategy, uint256 performanceFee, uint256 establishmentFee);

    /// @notice An event that is emitted when protocol fees are withdrawn
    event Withdraw(address indexed asset, address indexed strategy, address indexed receiver, uint256 amount);

    /// @notice An event that is emitted when the fee structure is set
    event FeeStructureSet(address indexed strategy, FeeStructure feeStructure);

    /// @notice An event that is emitted when the pending fee structure is set
    event PendingFeeStructureSet(address indexed strategy, FeeStructure feeStructure);

    /// @notice An event that is emitted when the performance fee is set
    event PerformanceFeeSet(address indexed strategy, uint256 performanceFee);

    /// @notice An event that is emitted when the prepayment fee is set
    event PrepaymentFeeSet(address indexed strategy, uint256 prepaymentFee);

    /// @notice An event that is emitted when the treasury is set
    event TreasurySet(address indexed oldTreasury, address indexed newTreasury);

    /// @notice Collects strategy fees
    /// @param asset The address of the asset
    /// @param performanceFee The performance fee
    /// @param establishmentFee The establishment fee
    function collect(address asset, uint256 performanceFee, uint256 establishmentFee) external;

    /// @notice Collects establishment fees
    /// @param asset The address of the asset
    /// @param amount The amount of establishment fees
    function collectEstablishmentFee(address asset, uint256 amount) external;

    /// @notice Collects performance fees
    /// @param asset The address of the asset
    /// @param amount The amount of performance fees
    function collectPerformanceFee(address asset, uint256 amount) external;

    /// @notice Approves the pending fee structure
    /// @param strategy The address of the strategy
    function approvePendingFeeStructure(address strategy) external;

    /// @notice Withdraws protocol fees
    /// @param asset The address of the asset
    function withdrawProtocolFee(address asset) external;

    /// @notice Withdraws manager fees
    /// @param receiver The address of the receiver
    /// @param asset The address of the asset
    /// @param strategy The address of the strategy
    function withdrawManagerFee(address receiver, address asset, address strategy) external;

    /// @notice Sets the fee structure
    /// @param strategy The address of the strategy
    /// @param feeStructure The fee structure
    function setFeeStructure(address strategy, FeeStructure memory feeStructure) external;

    /// @notice Sets the pending fee structure
    /// @param strategy The address of the strategy
    /// @param feeStructure The fee structure
    function setPendingFeeStructure(address strategy, FeeStructure memory feeStructure) external;

    /// @notice Sets the performance fee
    /// @param strategy The address of the strategy
    /// @param performanceFee The performance fee
    function setPerformanceFee(address strategy, uint256 performanceFee) external;

    /// @notice Sets the prepayment fee
    /// @param strategy The address of the strategy
    /// @param prepaymentFee The prepayment fee
    function setPrepaymentFee(address strategy, uint256 prepaymentFee) external;

    /// @notice Sets the treasury
    /// @param treasury The address of the treasury
    function setTreasury(address treasury) external;

    /// @notice Returns the establishment fee
    /// @param strategy The address of the strategy
    /// @return The establishment fee
    function establishmentFee(address strategy) external view returns (uint256);

    /// @notice Returns the performance fee
    /// @param strategy The address of the strategy
    /// @return The performance fee
    function performanceFee(address strategy) external view returns (uint256);

    /// @notice Returns the manager split
    /// @param strategy The address of the strategy
    /// @return The manager split
    function managerSplit(address strategy) external view returns (uint256);

    /// @notice Returns the protocol split
    /// @param strategy The address of the strategy
    /// @return The protocol split
    function protocolSplit(address strategy) external view returns (uint256);

    /// @notice Returns the prepayment fee
    /// @param strategy The address of the strategy
    /// @return The prepayment fee
    function prepaymentFee(address strategy) external view returns (uint256);

    /// @notice Returns the fee structure
    /// @param strategy The address of the strategy
    /// @return The fees percentages for the strategy
    function feeStructure(address strategy) external view returns (FeeStructure memory);

    /// @notice Returns the pending fee structure
    /// @param strategy The address of the strategy
    /// @return The pending fee structure
    function pendingFeeStructure(address strategy) external view returns (FeeStructure memory);

    /// @notice Returns the treasury
    /// @return The treasury
    function treasury() external view returns (address);

    /// @notice Returns the manager fees
    /// @param manager The address of the manager
    /// @param asset The address of the asset
    /// @param strategy The address of the strategy
    /// @return The manager fees of a given strategy
    function managerFees(address manager, address asset, address strategy) external view returns (uint256);

    /// @notice Returns the total manager fees
    /// @param manager The address of the manager
    /// @param asset The address of the asset
    /// @param strategies The addresses of the strategies
    /// @return The total manager fees of a given asset and strategies
    function managerTotalFees(address manager, address asset, address[] calldata strategies)
        external
        view
        returns (uint256);

    /// @notice Returns the protocol fees
    /// @param asset The address of the asset
    /// @return The protocol fees
    function protocolFees(address asset) external view returns (uint256);

    /// @notice The basis points for the fee manager
    /// @return The basis points
    function BASIS_POINTS() external pure returns (uint256);
}

// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity ^0.8.20;

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

/// @notice Struct containing loan terms and state
struct Loan {
    /// @notice Minimum deposit amount allowed
    uint256 minDeposit;
    /// @notice Minimum redeem amount allowed
    uint256 minRedeem;
    /// @notice Maximum loan amount that can be drawn
    ///         The full threshold can be met after deposit period if the loan is not locked
    uint256 maxCapacity;
    /// @notice Minimum loan amount for the loan to be accepted
    ///         The threshold needs to be met during deposit period or loan can be rejected
    uint256 minCapacity;
    /// @notice Liquidity ratio that has to be maintained in the vault at all times
    ///         Expressed in basis points and cannot exceed 1e6, defaults to 0
    uint256 reserveThreshold;
    /// @notice Principal amount still to be repaid
    uint256 outstandingPrincipal;
    /// @notice Interest amount still to be paid
    uint256 outstandingInterest;
    /// @notice all funds accepted and available for borrowing
    uint256 drawableFunds;
    /// @notice Annual interest rate in basis points
    uint256 interestRate;
    /// @notice Late interest penalty in basis points
    uint256 lateInterestPenalty;
    /// @notice Total claimable interest available for users
    uint256 claimableInterest;
    /// @notice Time interval between interest payments
    uint256 interestInterval;
    /// @notice Time of loan start
    uint256 startTime;
    /// @notice Time of terms set
    uint256 termsSetTime;
    /// @notice Time of terms update
    uint256 termsUpdateTime;
    /// @notice Loan duration in seconds
    uint256 duration;
    /// @notice Deposit period in seconds
    uint256 depositPeriod;
    /// @notice Grace period after deposit period for borrower to accept loan
    uint256 acceptGracePeriod;
    /// @notice Withdrawal window period in seconds
    ///         If set it allows redemption requests
    uint256 withdrawalPeriod;
    /// @notice Late interest payment grace period in seconds
    ///         This is the time period before a loan is considered delinquent
    uint256 lateInterestGracePeriod;
}

/// @notice Struct containing loan terms
struct LoanTerms {
    /// @notice Minimum deposit amount allowed
    uint256 minDeposit;
    /// @notice Minimum redeem amount allowed
    uint256 minRedeem;
    /// @notice Maximum loan capacity
    uint256 maxCapacity;
    /// @notice Minimum loan capacity
    uint256 minCapacity;
    /// @notice Annual interest rate in basis points
    uint256 interestRate;
    /// @notice Late interest penalty in basis points
    uint256 lateInterestPenalty;
    /// @notice Late interest grace period in seconds
    uint256 lateInterestGracePeriod;
    /// @notice Time interval between interest payments
    uint256 interestInterval;
    /// @notice Duration of the loan in seconds
    uint256 duration;
    /// @notice Deposit period in seconds
    uint256 depositPeriod;
    /// @notice Grace period after deposit period for borrower to accept loan
    uint256 acceptGracePeriod;
    /// @notice Withdrawal window period in seconds
    uint256 withdrawalPeriod;
}

/// @notice Struct containing DVN proof data
struct DVNProof {
    /// @notice Merkle root of the DVN merkle tree
    bytes32 root;
    /// @notice Signature of the DVN payload
    bytes32 signature;
    /// @notice Message hash that was signed
    bytes32 messageHash;
}

/// @notice Enum representing different loan states
enum LoanState {
    /// @notice Loan terms are not set
    Initialized,
    /// @notice Loan terms are set
    TermsSet,
    /// @notice Loan is accepted by borrower and locked
    OngoingLocked,
    /// @notice Loan is accepted by borrower and dynamic deposits are allowed
    OngoingDynamic,
    /// @notice Loan is rejected
    Rejected,
    /// @notice Loan is repaid
    Repaid,
    /// @notice Loan is in default
    InDefault,
    /// @notice Loan is in default claims
    InDefaultClaims
}

/// @notice Interface for managing strategy vault hooks
interface IStrategyVaultHooks {
    /// @notice Hook for handling deposit requests
    /// @param share The address of the share token
    /// @param assets The amount of assets requested
    /// @param controller The address of the controller
    /// @param owner The address of the owner of the assets
    /// @return canFulfill Whether the deposit can be fulfilled instantly
    /// @return price The price of the share
    function onRequestDeposit(address share, uint256 assets, address controller, address owner)
        external
        returns (bool canFulfill, uint256 price);

    /// @notice Hook for handling redeem requests
    /// @param share The address of the share token
    /// @param shares The amount of shares requested
    /// @param controller The address of the controller
    /// @param owner The address of the owner of the shares
    /// @return canFulfill Whether the redeem can be fulfilled instantly
    /// @return price The price of the share
    function onRequestRedeem(address share, uint256 shares, address controller, address owner)
        external
        returns (bool canFulfill, uint256 price);

    /// @notice Hook for handling cancel deposit requests
    /// @param share The address of the share token
    /// @param controller The address of the controller
    /// @return canCancel Whether the deposit can be cancelled instantly
    function onCancelDepositRequest(address share, address controller) external returns (bool canCancel);

    /// @notice Hook for handling cancel redeem requests
    /// @param share The address of the share token
    /// @param controller The address of the controller
    /// @return canCancel Whether the redeem can be cancelled instantly
    function onCancelRedeemRequest(address share, address controller) external returns (bool canCancel);

    /// @notice Hook for handling deposit requests
    /// @param share The address of the share token
    /// @param assets The amount of assets to deposit
    /// @param receiver The address of the receiver
    /// @param controller The address of the controller
    function onDeposit(address share, uint256 assets, address receiver, address controller)
        external
        returns (uint256 price);

    /// @notice Hook for handling mint requests
    /// @param share The address of the share token
    /// @param shares The amount of shares to mint
    /// @param receiver The address of the receiver
    /// @param controller The address of the controller
    function onMint(address share, uint256 shares, address receiver, address controller)
        external
        returns (uint256 price);

    /// @notice Hook for handling redeem requests
    /// @param share The address of the share token
    /// @param shares The amount of shares to redeem
    /// @param receiver The address of the receiver
    function onRedeem(address share, uint256 shares, address receiver, address controller) external;

    /// @notice Hook for handling withdraw requests
    /// @param share The address of the share token
    /// @param assets The amount of assets to withdraw
    /// @param receiver The address of the receiver
    /// @param controller The address of the controller
    function onWithdraw(address share, uint256 assets, address receiver, address controller) external;

    /// @notice Hook for handling vault transfers
    /// @param from The address of the sender
    /// @param to The address of the receiver
    /// @param amount The amount of shares to transfer
    function onTransfer(address share, address from, address to, uint256 amount) external;

    /// @notice Operator authorization
    /// @param operator The address of the operator
    /// @dev Reverts for unauthorized operator. Operator should not be an input value of another call
    function authOperator(address operator) external;

    /// @notice Centralized share price
    /// @param share The address of the share token
    function sharePrice(address share) external view returns (uint256 price);

    /// @notice Centralized accrued assets
    /// @param share The address of the share token
    /// @return assets The accrued assets to be distributed
    function accruedAssets(address share) external view returns (uint256 assets);

    /// @notice Centralized max deposit capacity
    /// @param share The address of the share token
    /// @param controller The address of the controller
    /// @return maxAssets The maximum amount of assets that can be deposited
    function maxDeposit(address share, address controller) external view returns (uint256 maxAssets);

    /// @notice Centralized max redeem capacity
    /// @param share The address of the share token
    /// @param controller The address of the controller
    /// @return maxShares The maximum amount of shares that can be redeemed
    function maxRedeem(address share, address controller) external view returns (uint256 maxShares);
}

/// @notice Interface for managing fee manager hooks
interface IFeeManagerHooks {
    /// @notice Hook for handling fee structure changes
    function onFeeStructureChange() external;
}

interface IUpdateLateStatus {
    /// @notice Updates the late status of the loan
    function updateLateStatus() external;
}

/// @notice Interface for managing base strategy components
interface IAccountableStrategy is IStrategyVaultHooks, IFeeManagerHooks, IERC165 {
    /// @notice Event emitted when the borrower is changed
    event BorrowerChanged(address indexed oldBorrower, address indexed newBorrower);

    /// @notice Event emitted when the pending borrower is set
    event PendingBorrowerSet(address indexed pendingBorrower);

    /// @notice Event emitted when the safety module is set
    event SafetyModuleSet(address indexed safetyModule);

    /// @notice Event emitted when the investment manager is set
    event InvestmentManagerSet(address indexed investmentManager);

    /// @notice Event emitted when the proof signer is set
    event ProofSignerSet(address indexed proofSigner);

    /// @notice Event emitted when the DVN proof is published
    event DVNProofPublished(bytes32 indexed root, bytes32 indexed signature, bytes32 indexed messageHash);

    /// @notice Event emitted when the default is rejected
    event LoanDefaultRejected();

    /// @notice Event emitted when the default is accepted
    event LoanDefaulted(uint256 principal, uint256 collateral);

    /// @notice Event emitted when the penalties enabled flag is set
    event PenaltiesEnabledSet(bool enabled);

    /// @notice Event emitted when the security admin enabled flag is set
    event SecurityAdminEnabledSet(bool enabled);

    /// @notice Event emitted when the operations admin enabled flag is set
    event OperationsAdminEnabledSet(bool enabled);

    /// @notice Event emitted when the reserve threshold is set
    event ReserveThresholdSet(uint256 threshold);

    /// @notice Event emitted when the rewards distributor is set
    event RewardsDistributorSet(address indexed rewardsDistributor);

    /// @notice Event emitted when the price oracle is set
    event PriceOracleSet(address indexed priceOracle);

    /// @notice Set a new pending borrower
    /// @param newBorrower Address of the new pending borrower
    function setPendingBorrower(address newBorrower) external;

    /// @notice Accept the borrower role as pending borrower
    function acceptBorrowerRole() external;

    /// @notice Set a new safety module contract
    /// @dev It can act as a factory in a deploy-and-set manner
    /// @param safetyModule Address of the new safety module
    function setSafetyModule(address safetyModule) external;

    /// @notice Set a new rewards distributor contract
    /// @dev It can act as a factory in a deploy-and-set manner
    /// @param rewards Address of the new rewards distributor
    function setRewardsDistributor(address rewards) external;

    /// @notice Set a new price oracle contract
    /// @param priceOracle Address of the new price oracle
    function setPriceOracle(address priceOracle) external;

    /// @notice Set a new investment manager contract
    /// @param investmentManager Address of the new investment manager
    function setInvestmentManager(address investmentManager) external;

    /// @notice Set the auth signer address
    /// @dev This is function relays data to the vault's access module
    ///      It sets the kyc verification signer when permission level is `KYC`
    /// @param authSigner Address of the new auth signer
    function setAuthSigner(address authSigner) external;

    /// @notice Set the lenders addresses and permissions
    /// @dev This is function relays data to the vault's access module
    ///      It whitelists lenders when permission level is `Whitelist`
    /// @param lenders Addresses of the lenders to be whitelisted
    /// @param allowed Whether the lenders are allowed to perform actions
    function setLenders(address[] calldata lenders, bool[] calldata allowed) external;

    /// @notice Set the proof signer address
    /// @param proofSigner Address of the new proof signer
    function setProofSigner(address proofSigner) external;

    /// @notice Publish a new DVN proof
    /// @param proof Latest DVN proof data
    function publishDVNProof(DVNProof memory proof) external;

    /// @notice Accept the default of the loan
    function acceptDefault() external;

    /// @notice Reject the default of the loan
    function rejectDefault() external;

    /// @notice Set the penalties enabled flag
    /// @param enabled Whether penalties are enabled
    function setPenaltiesEnabled(bool enabled) external;

    /// @notice Set the security admin enabled flag
    /// @param enabled Whether security admin is enabled
    function setSecurityAdminEnabled(bool enabled) external;

    /// @notice Set the operations admin enabled flag
    /// @param enabled Whether operations admin is enabled
    function setOperationsAdminEnabled(bool enabled) external;

    /// @notice Set the shares transferable flag
    /// @param transferable Whether shares are transferable
    function setSharesTransferable(bool transferable) external;

    /// @notice Set the min reserve threshold required in the vault
    /// @param threshold The threshold expressed in basis points
    function setReserveThreshold(uint256 threshold) external;

    /// @notice Get the global registry contract address
    /// @return The global registry address
    function globals() external view returns (address);

    /// @notice Get the current borrower address
    /// @return The borrower address
    function borrower() external view returns (address);

    /// @notice Get the pending borrower address
    /// @return The pending borrower address
    function pendingBorrower() external view returns (address);

    /// @notice Get the investment manager contract address
    /// @return The investment manager address
    function investmentManager() external view returns (address);

    /// @notice Get the fee manager contract address
    /// @return The fee manager address
    function feeManager() external view returns (address);

    /// @notice Get the safety module contract address
    /// @return The safety module address
    function safetyModule() external view returns (address);

    /// @notice Get the rewards distributor contract address
    /// @return The rewards distributor address
    function rewards() external view returns (address);

    /// @notice Get the price oracle contract address
    /// @return The price oracle address
    function priceOracle() external view returns (address);

    /// @notice Get the proof signer address
    /// @return The proof signer address
    /// @dev Returns the pub key of the node signing proofs
    function proofSigner() external view returns (address);

    /// @notice Get the vault contract address
    /// @return The vault address
    function vault() external view returns (address);

    /// @notice Get the current loan state
    /// @return The loan struct
    function loan() external view returns (Loan memory);

    /// @notice Get the DVN proof
    /// @return The latest DVN proof data
    function dvnProof() external view returns (DVNProof memory);

    /// @notice Get the loan state
    /// @return The loan state enum value
    function loanState() external view returns (LoanState);

    /// @notice Get the penalties enabled flag
    /// @return The penalties enabled flag
    function penaltiesEnabled() external view returns (bool);

    /// @notice Get the security admin enabled flag
    /// @return The security admin enabled flag
    function securityAdminEnabled() external view returns (bool);

    /// @notice Get the operations admin enabled flag
    /// @return The operations admin enabled flag
    function operationsAdminEnabled() external view returns (bool);

    /// @notice Get the precision for the strategy
    /// @return The precision
    function PRECISION() external view returns (uint256);

    /// @notice Get the basis points for the strategy
    /// @return The basis points
    function BASIS_POINTS() external view returns (uint256);

    /// @notice Get the version of the strategy
    /// @dev Increment when upgrading the strategy
    function version() external view returns (uint256);
}

/// @notice Interface for managing loan lifecycle and payments
interface IAccountableLoan is IAccountableStrategy {
    /// @notice Event emitted when the loan is initialized
    /// @param minCapacity The minimum loan capacity
    /// @param maxCapacity The maximum loan capacity
    /// @param interestRate The interest rate of the loan
    /// @param lateInterestPenalty The late interest penalty
    /// @param interestInterval The interest interval
    /// @param duration The duration of the loan
    event LoanTermsSet(
        uint256 minCapacity,
        uint256 maxCapacity,
        uint256 interestRate,
        uint256 lateInterestPenalty,
        uint256 interestInterval,
        uint256 duration
    );

    /// @notice Event emitted when the default is initiated
    event LoanDefaultInitiated();

    /// @notice Event emitted when a default is covered by safety collateral
    /// @param safetyModule The address of the safety module
    /// @param provider The address of the provider
    /// @param collateral The amount of collateral covered
    event DefaultCovered(address indexed safetyModule, address indexed provider, uint256 collateral);

    /// @notice Event emitted when funds are borrowed
    /// @param borrower The address of the borrower
    /// @param assets The amount of funds borrowed
    event Borrowed(address indexed borrower, uint256 assets);

    /// @notice Event emitted when the loan is repaid
    /// @param assets The amount of funds repaid
    event LoanRepaid(uint256 assets);

    /// @notice Event emitted when the loan is partially repaid
    /// @param amount The amount of funds repaid to close loan
    /// @param remainingInterest The remaining interest amount
    event LoanPrepaid(uint256 amount, uint256 remainingInterest);

    /// @notice Event emitted when interest is paid
    /// @param borrower The address of the borrower
    /// @param totalAmount The total amount paid
    /// @param interestPenalty The interest penalty amount paid
    /// @param performanceFee The performance fee amount paid
    /// @param establishmentFee The establishment fee amount paid
    /// @param paymentInterval The interval of the payment
    event InterestPaid(
        address indexed borrower,
        uint256 totalAmount,
        uint256 interestPenalty,
        uint256 performanceFee,
        uint256 establishmentFee,
        uint256 paymentInterval
    );

    /// @notice Initialize a new loan with the given terms
    /// @param terms The loan terms to initialize with
    function setTerms(LoanTerms memory terms) external;

    /// @notice Update an existing loan with new terms
    /// @param terms The new loan terms to update to
    function updateTerms(LoanTerms memory terms) external;

    /// @notice Initialize loan default state
    function defaultLoan() external;

    /// @notice Cover the default of the loan
    /// @param assets The amount of assets to cover
    function coverDefault(uint256 assets) external;

    /// @notice Borrow funds from the loan
    /// @param assets The amount of funds to borrow
    function borrow(uint256 assets) external;

    /// @notice Repay the loan amount
    /// @param assets The amount of funds to repay
    function repay(uint256 assets) external;

    /// @notice Make a partial loan repayment
    function prepay() external;

    /// @notice Make an interest payment
    /// @param assets The interest amount to pay
    function pay(uint256 assets) external;

    /// @notice Get the period of time the loan has been delinquent
    /// @return The period of time the loan has been delinquent
    function timeDelinquent() external view returns (uint256);
}

// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity ^0.8.20;

// ========================================================================== //
//                             Authorization Errors                           //
// ========================================================================== //

/// @notice Error thrown when unauthorized
error Unauthorized();

/// @notice Thrown when a signature verification fails due to invalid signer
error InvalidSigner();

/// @notice Thrown when an operation is attempted with invalid operator permissions
error InvalidOperator();

/// @notice Error thrown when invalid pending borrower is provided
error InvalidPendingBorrower();

/// @notice Thrown when KYC status is not verified
error KYCNotVerified();

/// @notice Thrown when a block expiration is invalid (e.g. in the past)
error InvalidBlockExpiration();

/// @notice Thrown when a signature verification fails
error InvalidSignature();

/// @notice Thrown when a message data length is invalid
error InvalidMsgDataLength();

/// @notice Thrown when an accounts array is empty
error EmptyAccountsArray();

// ========================================================================== //
//                             Vault operations errors                        //
// ========================================================================== //

/// @notice Error thrown when trying to cancel a deposit request failed
error CancelDepositRequestFailed();

/// @notice Error thrown when trying to cancel a redeem request failed
error CancelRedeemRequestFailed();

/// @notice Error thrown when deposit amount exceeds max deposit
error ExceedsMaxDeposit();

/// @notice Error thrown when assets exceed redemption limits
error ExceedsRedeemLimit();

/// @notice Error thrown when redeem amount exceeds max redeem
error ExceedsMaxRedeem();

/// @notice Error thrown when deposit/withdraw amount is insufficient
error InsufficientAmount();

/// @notice Error thrown when redeem share amount is insufficient
error InsufficientShares();

/// @notice Error thrown when no redeem request exists
error NoRedeemRequest();

/// @notice Error thrown when no pending redeem request exists
error NoPendingRedeemRequest();

/// @notice Error thrown when no cancel redeem request exists
error NoCancelRedeemRequest();

/// @notice Thrown when attempting to transfer shares that are not transferable
error SharesNotTransferable();

/// @notice Error thrown when no queue request exists
error NoQueueRequest();

/// @notice Error thrown when redeem amount exceeds liquidity
error InsufficientLiquidity();

/// @notice Error thrown when no queue requests exist
error NoQueueRequests();

/// @notice Error thrown when asset is not whitelisted
error AssetNotWhitelisted();

// ========================================================================== //
//                             Loan operations errors                         //
// ========================================================================== //

/// @notice Error thrown when loan terms are already set
error LoanTermsAlreadySet();

/// @notice Error thrown when loan terms are not set
error LoanTermsNotSet();

/// @notice Error thrown when loan is ongoing
error LoanOngoing();

/// @notice Error thrown when loan is not ongoing
error LoanNotOngoing();

/// @notice Error thrown when loan is not in default
error LoanNotInDefault();

/// @notice Error thrown when loan terms are not met
error LoanTermsNotMet();

/// @notice Error thrown when loan has not matured
error LoanNotMatured();

/// @notice Error thrown when repayment terms are not met
error LoanCannotBeRepaid();

/// @notice Error thrown when interest is already claimed
error InterestAlreadyClaimed();

/// @notice Error thrown when there are outstanding interest payments
error OutstandingInterestPayments();

/// @notice Thrown when an operation is attempted with invalid controller permissions
error InvalidController();

/// @notice Thrown when an operation is attempted with invalid vault manager permissions
error InvalidVaultManager();

/// @notice Thrown when an operation is attempted with invalid interval duration pair
error InvalidIntervalDurationPair();

/// @notice Thrown when an operation is attempted with invalid interval length
error InvalidIntervalLength();

/// @notice Thrown when an operation is attempted with invalid withdrawal period
error InvalidWithdrawalPeriod();

/// @notice Error thrown when capacity is set to a lower value than acceptable
error CapacityTooLow();

/// @notice Error thrown when accept grace period is longer than acceptable for the loan
error AcceptGracePeriodTooLong();

/// @notice Error thrown when a threshold exceeds the max bound
error ThresholdTooHigh();

/// @notice Error thrown when attempting to pay when no payment is due
error NoPaymentDue();

// ========================================================================== //
//                            General errors                                  //
// ========================================================================== //

/// @notice Thrown when an index is out of bounds
error OutOfBounds();

/// @notice Thrown when an invalid range is provided
error InvalidRange();

/// @notice Thrown when an operation is requested with zero amount
error ZeroAmount();

/// @notice Thrown when an input address is address(0)
error ZeroAddress();

/// @notice Thrown when deployment of a loan proxy contract fails
/// @param reason The reason for the failed deployment
error FailedDeployment(string reason);

/// @notice Thrown when a deposit is not allowed
error DepositNotAllowed();

/// @notice Thrown when a redeem is not allowed
error RedeemNotAllowed();

/// @notice Thrown when input arrays lengths don't match
error ArrayLengthMismatch();

/// @notice Error thrown when an operation is not required/allowed for the current permission level
error PermissionLevelMismatch();

/// @notice Error thrown when an operation is not supported by the strategy
error NotSupportedByStrategy();

// ========================================================================== //
//                            Fee Manager errors                              //
// ========================================================================== //

/// @notice Error thrown when manager split is invalid
error InvalidManagerSplit();

/// @notice Error thrown when performance fee is invalid
error InvalidPerformanceFee();

/// @notice Error thrown when establishment fee is invalid
error InvalidEstablishmentFee();

// ========================================================================== //
//                            Rewards errors                                  //
// ========================================================================== //

/// @notice Error thrown when a root is already set
error RootAlreadySet();

/// @notice Error thrown when no root is set
error RootNotSet();

/// @notice Error thrown when a root is already pending
error RootAlreadyPending();

/// @notice Error thrown when no pending root is set
error NoPendingRoot();

/// @notice Error thrown when timelock is not expired
error TimelockNotExpired();

/// @notice Error thrown when a proof is invalid
error InvalidProof();

/// @notice Error thrown when the amount to claim is not enough
error NotEnoughClaimableAmount();

/// @notice Error thrown when an invalid rewards type is provided
error InvalidRewardsType();

// 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: MIT
// OpenZeppelin Contracts (last updated v5.0.1) (utils/Multicall.sol)

pragma solidity ^0.8.20;

import {Address} from "./Address.sol";
import {Context} from "./Context.sol";

/**
 * @dev Provides a function to batch together multiple calls in a single external call.
 *
 * Consider any assumption about calldata validation performed by the sender may be violated if it's not especially
 * careful about sending transactions invoking {multicall}. For example, a relay address that filters function
 * selectors won't filter calls nested within a {multicall} operation.
 *
 * NOTE: Since 5.0.1 and 4.9.4, this contract identifies non-canonical contexts (i.e. `msg.sender` is not {_msgSender}).
 * If a non-canonical context is identified, the following self `delegatecall` appends the last bytes of `msg.data`
 * to the subcall. This makes it safe to use with {ERC2771Context}. Contexts that don't affect the resolution of
 * {_msgSender} are not propagated to subcalls.
 */
abstract contract Multicall is Context {
    /**
     * @dev Receives and executes a batch of function calls on this contract.
     * @custom:oz-upgrades-unsafe-allow-reachable delegatecall
     */
    function multicall(bytes[] calldata data) external virtual returns (bytes[] memory results) {
        bytes memory context = msg.sender == _msgSender()
            ? new bytes(0)
            : msg.data[msg.data.length - _contextSuffixLength():];

        results = new bytes[](data.length);
        for (uint256 i = 0; i < data.length; i++) {
            results[i] = Address.functionDelegateCall(address(this), bytes.concat(data[i], context));
        }
        return results;
    }
}

// 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) (utils/introspection/IERC165.sol)

pragma solidity ^0.8.20;

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

// 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/ReentrancyGuard.sol)

pragma solidity ^0.8.20;

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

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

    uint256 private _status;

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

    constructor() {
        _status = NOT_ENTERED;
    }

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

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

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (access/Ownable2Step.sol)

pragma solidity ^0.8.20;

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

/**
 * @dev Contract module which provides access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * The initial owner is specified at deployment time in the constructor for `Ownable`. This
 * can later be changed with {transferOwnership} and {acceptOwnership}.
 *
 * This module is used through inheritance. It will make available all functions
 * from parent (Ownable).
 */
abstract contract Ownable2Step is Ownable {
    address private _pendingOwner;

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

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

    /**
     * @dev Starts the ownership transfer of the contract to a new account. Replaces the pending transfer if there is one.
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual override onlyOwner {
        _pendingOwner = newOwner;
        emit OwnershipTransferStarted(owner(), newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`) and deletes any pending owner.
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual override {
        delete _pendingOwner;
        super._transferOwnership(newOwner);
    }

    /**
     * @dev The new owner accepts the ownership transfer.
     */
    function acceptOwnership() public virtual {
        address sender = _msgSender();
        if (pendingOwner() != sender) {
            revert OwnableUnauthorizedAccount(sender);
        }
        _transferOwnership(sender);
    }
}

// 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 v5.0.1) (utils/Context.sol)

pragma solidity ^0.8.20;

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

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

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

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

pragma solidity ^0.8.20;

import {Context} from "../utils/Context.sol";

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

    /**
     * @dev The caller account is not authorized to perform an operation.
     */
    error OwnableUnauthorizedAccount(address account);

    /**
     * @dev The owner is not a valid owner account. (eg. `address(0)`)
     */
    error OwnableInvalidOwner(address owner);

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

    /**
     * @dev Initializes the contract setting the address provided by the deployer as the initial owner.
     */
    constructor(address initialOwner) {
        if (initialOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _transferOwnership(initialOwner);
    }

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

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

    /**
     * @dev Throws if the sender is not the owner.
     */
    function _checkOwner() internal view virtual {
        if (owner() != _msgSender()) {
            revert OwnableUnauthorizedAccount(_msgSender());
        }
    }

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

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        if (newOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _transferOwnership(newOwner);
    }

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

{
  "remappings": [
    "@openzeppelin/contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/contracts/",
    "@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/",
    "ds-test/=lib/openzeppelin-contracts-upgradeable/lib/forge-std/lib/ds-test/src/",
    "erc4626-tests/=lib/openzeppelin-contracts-upgradeable/lib/erc4626-tests/",
    "forge-std/=lib/forge-std/src/",
    "murky/=lib/murky/src/",
    "openzeppelin-contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/",
    "openzeppelin-foundry-upgrades/=lib/openzeppelin-foundry-upgrades/src/",
    "solidity-stringutils/=lib/openzeppelin-foundry-upgrades/lib/solidity-stringutils/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "ipfs",
    "appendCBOR": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "cancun",
  "viaIR": true
}

• No Contract Security Audit Submitted- Submit Audit Here

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FeeStructure","name":"fees","type":"tuple"}],"name":"setFeeStructure","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"strategy","type":"address"},{"components":[{"internalType":"uint256","name":"establishmentFee","type":"uint256"},{"internalType":"uint256","name":"performanceFee","type":"uint256"},{"internalType":"uint256","name":"managerSplit","type":"uint256"},{"internalType":"bool","name":"overrideDefaults","type":"bool"}],"internalType":"struct FeeStructure","name":"fees","type":"tuple"}],"name":"setPendingFeeStructure","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"strategy","type":"address"},{"internalType":"uint256","name":"fee","type":"uint256"}],"name":"setPerformanceFee","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"strategy","type":"address"},{"internalType":"uint256","name":"fee","type":"uint256"}],"name":"setPrepaymentFee","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"treasury_","type":"address"}],"name":"setTreasury","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"treasury","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"receiver","type":"address"},{"internalType":"address","name":"asset","type":"address"},{"internalType":"address","name":"strategy","type":"address"}],"name":"withdrawManagerFee","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"asset","type":"address"}],"name":"withdrawProtocolFee","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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0000000000000000000000004b07aaa370189e5603df56c84f59c5a59181bfb1000000000000000000000000bc83ff5d65a7454adbaffd6ddc5695d978e1d50d

-----Decoded View---------------
Arg [0] : treasury_ (address): 0x4B07AaA370189E5603DF56C84f59c5A59181BFB1
Arg [1] : owner_ (address): 0xBC83FF5d65a7454adBAFfD6DDc5695D978e1d50d

-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 0000000000000000000000004b07aaa370189e5603df56c84f59c5a59181bfb1
Arg [1] : 000000000000000000000000bc83ff5d65a7454adbaffd6ddc5695d978e1d50d