// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity ^0.8.27;

import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import {SafeCast} from "@openzeppelin/contracts/utils/math/SafeCast.sol";
import {PausableUpgradeable} from "@openzeppelin/contracts-upgradeable/utils/PausableUpgradeable.sol";
import {
    IERC4626,
    ERC4626Upgradeable,
    ERC20Upgradeable
} from "@openzeppelin/contracts-upgradeable/token/ERC20/extensions/ERC4626Upgradeable.sol";
import {Ownable2StepUpgradeable} from "@openzeppelin/contracts-upgradeable/access/Ownable2StepUpgradeable.sol";
import {ReentrancyGuardUpgradeable} from "@openzeppelin/contracts-upgradeable/utils/ReentrancyGuardUpgradeable.sol";
import {ReentrancyGuard} from "@openzeppelin/contracts/utils/ReentrancyGuard.sol";
import {PendingLib, PendingAddress, PendingUint192} from "contracts/lib/PendingLib.sol";
import {ITermMaxMarket} from "contracts/ITermMaxMarket.sol";
import {CurveCuts, VaultInitialParams} from "contracts/storage/TermMaxStorage.sol";
import {ITermMaxRouter} from "contracts/router/ITermMaxRouter.sol";
import {ITermMaxOrder} from "contracts/ITermMaxOrder.sol";
import {VaultConstants} from "contracts/lib/VaultConstants.sol";
import {TransferUtils} from "contracts/lib/TransferUtils.sol";
import {ISwapCallback} from "contracts/ISwapCallback.sol";
import {VaultErrors} from "contracts/errors/VaultErrors.sol";
import {VaultEvents} from "contracts/events/VaultEvents.sol";
import {IOrderManager} from "./IOrderManager.sol";
import {VaultStorage, OrderInfo} from "./VaultStorage.sol";
import {Constants} from "contracts/lib/Constants.sol";
import {ITermMaxVault} from "./ITermMaxVault.sol";

contract TermMaxVault is
    VaultStorage,
    ITermMaxVault,
    Ownable2StepUpgradeable,
    ReentrancyGuardUpgradeable,
    ERC4626Upgradeable,
    PausableUpgradeable,
    VaultErrors,
    VaultEvents,
    ISwapCallback
{
    using SafeCast for uint256;
    using TransferUtils for IERC20;
    using PendingLib for *;

    address public immutable ORDER_MANAGER_SINGLETON;

    modifier onlyCuratorRole() {
        address sender = _msgSender();
        if (sender != _curator && sender != owner()) revert NotCuratorRole();
        _;
    }

    /// @dev Reverts if the caller doesn't have the guardian role.
    modifier onlyGuardianRole() {
        address sender = _msgSender();
        if (sender != _guardian && sender != owner()) revert NotGuardianRole();

        _;
    }

    /// @dev Reverts if the caller doesn't have the allocator role.
    modifier onlyAllocatorRole() {
        address sender = _msgSender();
        if (!_isAllocator[sender] && sender != _curator && sender != owner()) {
            revert NotAllocatorRole();
        }
        _;
    }

    modifier marketIsWhitelisted(address market) {
        if (_pendingMarkets[market].validAt != 0 && block.timestamp > _pendingMarkets[market].validAt) {
            _marketWhitelist[market] = true;
        }
        if (!_marketWhitelist[market]) revert MarketNotWhitelisted();
        _;
    }

    /// @dev Makes sure conditions are met to accept a pending value.
    /// @dev Reverts if:
    /// - there's no pending value;
    /// - the timelock has not elapsed since the pending value has been submitted.
    modifier afterTimelock(uint256 validAt) {
        if (validAt == 0) revert NoPendingValue();
        if (block.timestamp < validAt) revert TimelockNotElapsed();
        _;
    }

    constructor(address ORDER_MANAGER_SINGLETON_) {
        if (ORDER_MANAGER_SINGLETON_ == address(0)) revert InvalidImplementation();
        ORDER_MANAGER_SINGLETON = ORDER_MANAGER_SINGLETON_;
        _disableInitializers();
    }

    function initialize(VaultInitialParams memory params) external initializer {
        __ERC20_init(params.name, params.symbol);
        __Ownable_init(params.admin);
        __ERC4626_init(params.asset);
        __ReentrancyGuard_init();
        __Pausable_init();

        _setPerformanceFeeRate(params.performanceFeeRate);
        _checkTimelockBounds(params.timelock);
        _timelock = params.timelock;
        _maxCapacity = params.maxCapacity;
        _curator = params.curator;
    }

    function _setPerformanceFeeRate(uint64 newPerformanceFeeRate) internal {
        _delegateCall(abi.encodeCall(IOrderManager.accruedInterest, ()));
        _performanceFeeRate = newPerformanceFeeRate;
    }

    /// @notice View functions

    /**
     * @inheritdoc ITermMaxVault
     */
    function guardian() external view returns (address) {
        return _guardian;
    }

    /**
     * @inheritdoc ITermMaxVault
     */
    function curator() external view returns (address) {
        return _curator;
    }

    /**
     * @inheritdoc ITermMaxVault
     */
    function isAllocator(address allocator) external view returns (bool) {
        return _isAllocator[allocator];
    }

    /**
     * @inheritdoc ITermMaxVault
     */
    function marketWhitelist(address market) external view returns (bool) {
        return _marketWhitelist[market];
    }

    /**
     * @inheritdoc ITermMaxVault
     */
    function timelock() external view returns (uint256) {
        return _timelock;
    }

    /**
     * @inheritdoc ITermMaxVault
     */
    function pendingMarkets(address market) external view returns (PendingUint192 memory) {
        return _pendingMarkets[market];
    }

    /**
     * @inheritdoc ITermMaxVault
     */
    function pendingTimelock() external view returns (PendingUint192 memory) {
        return _pendingTimelock;
    }

    /**
     * @inheritdoc ITermMaxVault
     */
    function pendingPerformanceFeeRate() external view returns (PendingUint192 memory) {
        return _pendingPerformanceFeeRate;
    }

    /**
     * @inheritdoc ITermMaxVault
     */
    function pendingGuardian() external view returns (PendingAddress memory) {
        return _pendingGuardian;
    }

    /**
     * @inheritdoc ITermMaxVault
     */
    function performanceFeeRate() external view returns (uint64) {
        return _performanceFeeRate;
    }

    /**
     * @inheritdoc ITermMaxVault
     */
    function totalFt() external view returns (uint256) {
        return _totalFt / Constants.DECIMAL_BASE_SQ;
    }

    /**
     * @inheritdoc ITermMaxVault
     */
    function accretingPrincipal() external view returns (uint256) {
        return _accretingPrincipal / Constants.DECIMAL_BASE_SQ;
    }

    /**
     * @inheritdoc ITermMaxVault
     */
    function annualizedInterest() external view returns (uint256) {
        return _annualizedInterest / Constants.DECIMAL_BASE_SQ;
    }

    /**
     * @inheritdoc ITermMaxVault
     */
    function performanceFee() external view returns (uint256) {
        return _performanceFee / Constants.DECIMAL_BASE_SQ;
    }

    /**
     * @inheritdoc ITermMaxVault
     */
    function supplyQueue(uint256 index) external view returns (address) {
        return _supplyQueue[index];
    }

    /**
     * @inheritdoc ITermMaxVault
     */
    function withdrawQueue(uint256 index) external view returns (address) {
        return _withdrawQueue[index];
    }

    /**
     * @inheritdoc ITermMaxVault
     */
    function orderMapping(address order) external view returns (OrderInfo memory) {
        return _orderMapping[order];
    }

    /**
     * @inheritdoc ITermMaxVault
     */
    function badDebtMapping(address order) external view returns (uint256) {
        return _badDebtMapping[order];
    }

    /**
     * @inheritdoc ITermMaxVault
     */
    function apr() external view returns (uint256) {
        if (_accretingPrincipal == 0) return 0;
        return (_annualizedInterest * (Constants.DECIMAL_BASE - _performanceFeeRate)) / (_accretingPrincipal);
    }

    /**
     * @inheritdoc ITermMaxVault
     */
    function supplyQueueLength() external view returns (uint256) {
        return _supplyQueue.length;
    }

    /**
     * @inheritdoc ITermMaxVault
     */
    function withdrawQueueLength() external view returns (uint256) {
        return _withdrawQueue.length;
    }

    // Ordermanager functions
    /**
     * @inheritdoc ITermMaxVault
     */
    function createOrder(ITermMaxMarket market, uint256 maxSupply, uint256 initialReserve, CurveCuts memory curveCuts)
        external
        onlyCuratorRole
        marketIsWhitelisted(address(market))
        whenNotPaused
        returns (ITermMaxOrder order)
    {
        order = abi.decode(
            _delegateCall(
                abi.encodeCall(
                    IOrderManager.createOrder, (IERC20(asset()), market, maxSupply, initialReserve, curveCuts)
                )
            ),
            (ITermMaxOrder)
        );
    }

    /**
     * @inheritdoc ITermMaxVault
     */
    function updateOrders(
        ITermMaxOrder[] memory orders,
        int256[] memory changes,
        uint256[] memory maxSupplies,
        CurveCuts[] memory curveCuts
    ) external onlyCuratorRole whenNotPaused {
        _delegateCall(
            abi.encodeCall(IOrderManager.updateOrders, (IERC20(asset()), orders, changes, maxSupplies, curveCuts))
        );
    }

    /**
     * @inheritdoc ITermMaxVault
     */
    function redeemOrder(ITermMaxOrder order) external onlyCuratorRole {
        _delegateCall(abi.encodeCall(IOrderManager.redeemOrder, (order)));
    }

    /**
     * @inheritdoc ITermMaxVault
     */
    function withdrawPerformanceFee(address recipient, uint256 amount)
        external
        nonReentrant
        whenNotPaused
        onlyCuratorRole
    {
        _delegateCall(abi.encodeCall(IOrderManager.withdrawPerformanceFee, (IERC20(asset()), recipient, amount)));
    }

    // ERC4626 functions

    /**
     * @dev See {IERC4626-maxDeposit}.
     */
    function maxDeposit(address) public view override(IERC4626, ERC4626Upgradeable) returns (uint256) {
        if (paused()) return 0;
        if (totalAssets() >= _maxCapacity) return 0;
        return _maxCapacity - totalAssets();
    }

    /**
     * @dev See {IERC4626-maxMint}.
     */
    function maxMint(address) public view override(IERC4626, ERC4626Upgradeable) returns (uint256) {
        if (paused()) return 0;
        return convertToShares(maxDeposit(address(0)));
    }

    /**
     * @dev Get total assets, falling back to real assets if virtual assets exceed limit
     */
    function totalAssets() public view override(IERC4626, ERC4626Upgradeable) returns (uint256) {
        (uint256 previewPrincipal,) = _previewAccruedInterest();
        return previewPrincipal / Constants.DECIMAL_BASE_SQ;
    }

    /**
     * @dev Deposit/mint common workflow.
     */
    function _deposit(address caller, address recipient, uint256 assets, uint256 shares)
        internal
        override
        nonReentrant
        whenNotPaused
    {
        IERC20(asset()).safeTransferFrom(caller, address(this), assets);

        _delegateCall(abi.encodeCall(IOrderManager.depositAssets, (IERC20(asset()), assets)));
        _mint(recipient, shares);

        emit Deposit(caller, recipient, assets, shares);
    }

    /**
     * @dev Withdraw/redeem common workflow.
     */
    function _withdraw(address caller, address receiver, address owner, uint256 assets, uint256 shares)
        internal
        override
        nonReentrant
    {
        if (caller != owner) {
            _spendAllowance(owner, caller, shares);
        }

        _delegateCall(abi.encodeCall(IOrderManager.withdrawAssets, (IERC20(asset()), receiver, assets)));
        _burn(owner, shares);

        emit Withdraw(caller, receiver, owner, assets, shares);
    }

    function _delegateCall(bytes memory data) internal returns (bytes memory) {
        (bool success, bytes memory returnData) = ORDER_MANAGER_SINGLETON.delegatecall(data);
        if (!success) {
            assembly {
                let ptr := add(returnData, 0x20)
                let len := mload(returnData)
                revert(ptr, len)
            }
        }
        return returnData;
    }

    /**
     * @inheritdoc ITermMaxVault
     */
    function dealBadDebt(address collateral, uint256 badDebtAmt, address recipient, address owner)
        external
        nonReentrant
        returns (uint256 shares, uint256 collateralOut)
    {
        address caller = msg.sender;
        shares = previewWithdraw(badDebtAmt);
        uint256 maxShares = maxRedeem(owner);
        if (shares > maxShares) {
            revert ERC4626ExceededMaxMint(recipient, shares, maxShares);
        }

        if (caller != owner) {
            _spendAllowance(owner, caller, shares);
        }

        _burn(owner, shares);

        collateralOut = abi.decode(
            _delegateCall(abi.encodeCall(IOrderManager.dealBadDebt, (recipient, collateral, badDebtAmt))), (uint256)
        );

        emit DealBadDebt(caller, recipient, collateral, badDebtAmt, shares, collateralOut);
    }

    // Guardian functions
    function _setTimelock(uint256 newTimelock) internal {
        _timelock = newTimelock;

        emit SetTimelock(msg.sender, newTimelock);

        delete _pendingTimelock;
    }

    /**
     * @inheritdoc ITermMaxVault
     */
    function submitTimelock(uint256 newTimelock) external onlyCuratorRole {
        if (newTimelock == _timelock) revert AlreadySet();
        if (_pendingTimelock.validAt != 0) revert AlreadyPending();
        _checkTimelockBounds(newTimelock);

        if (newTimelock > _timelock) {
            _setTimelock(newTimelock);
        } else {
            // Safe "unchecked" cast because newTimelock <= MAX_TIMELOCK.
            _pendingTimelock.update(uint184(newTimelock), _timelock);

            emit SubmitTimelock(newTimelock, _pendingTimelock.validAt);
        }
    }

    /**
     * @inheritdoc ITermMaxVault
     */
    function setCapacity(uint256 newCapacity) external onlyCuratorRole {
        if (newCapacity == _maxCapacity) revert AlreadySet();
        _maxCapacity = newCapacity;
        emit SetCapacity(_msgSender(), newCapacity);
    }

    function _checkTimelockBounds(uint256 newTimelock) internal pure {
        if (newTimelock > VaultConstants.MAX_TIMELOCK) revert AboveMaxTimelock();
        if (newTimelock < VaultConstants.POST_INITIALIZATION_MIN_TIMELOCK) revert BelowMinTimelock();
    }

    /**
     * @inheritdoc ITermMaxVault
     */
    function submitPerformanceFeeRate(uint184 newPerformanceFeeRate) external onlyCuratorRole {
        if (newPerformanceFeeRate == _performanceFeeRate) revert AlreadySet();
        if (_pendingPerformanceFeeRate.validAt != 0) revert AlreadyPending();
        if (newPerformanceFeeRate > VaultConstants.MAX_PERFORMANCE_FEE_RATE) revert PerformanceFeeRateExceeded();
        if (newPerformanceFeeRate < _performanceFeeRate) {
            _setPerformanceFeeRate(uint256(newPerformanceFeeRate).toUint64());
            emit SetPerformanceFeeRate(_msgSender(), newPerformanceFeeRate);
            return;
        } else {
            _pendingPerformanceFeeRate.update(newPerformanceFeeRate, _timelock);
            emit SubmitPerformanceFeeRate(newPerformanceFeeRate, _pendingPerformanceFeeRate.validAt);
        }
    }

    /**
     * @inheritdoc ITermMaxVault
     */
    function submitGuardian(address newGuardian) external onlyOwner {
        if (newGuardian == _guardian) revert AlreadySet();
        if (_pendingGuardian.validAt != 0) revert AlreadyPending();

        if (_guardian == address(0)) {
            _setGuardian(newGuardian);
        } else {
            _pendingGuardian.update(newGuardian, _timelock);
            emit SubmitGuardian(newGuardian, _pendingGuardian.validAt);
        }
    }

    /// @dev Sets `guardian` to `newGuardian`.
    function _setGuardian(address newGuardian) internal {
        _guardian = newGuardian;
        emit SetGuardian(_msgSender(), newGuardian);

        delete _pendingGuardian;
    }

    /**
     * @inheritdoc ITermMaxVault
     */
    function submitMarket(address market, bool isWhitelisted) external onlyCuratorRole {
        if (_marketWhitelist[market] && isWhitelisted) revert AlreadySet();
        if (_pendingMarkets[market].validAt != 0) revert AlreadyPending();
        if (!isWhitelisted) {
            _setMarketWhitelist(market, isWhitelisted);
        } else {
            _pendingMarkets[market].update(0, _timelock);
            emit SubmitMarketToWhitelist(market, _pendingMarkets[market].validAt);
        }
    }

    function _setMarketWhitelist(address market, bool isWhitelisted) internal {
        _marketWhitelist[market] = isWhitelisted;
        emit SetMarketWhitelist(_msgSender(), market, isWhitelisted);
        delete _pendingMarkets[market];
    }

    /**
     * @inheritdoc ITermMaxVault
     */
    function setIsAllocator(address newAllocator, bool newIsAllocator) external onlyOwner {
        if (_isAllocator[newAllocator] == newIsAllocator) revert AlreadySet();

        _isAllocator[newAllocator] = newIsAllocator;

        emit SetIsAllocator(newAllocator, newIsAllocator);
    }

    /**
     * @inheritdoc ITermMaxVault
     */
    function setCurator(address newCurator) external onlyOwner {
        if (newCurator == _curator) revert AlreadySet();

        _curator = newCurator;

        emit SetCurator(newCurator);
    }

    /**
     * @inheritdoc ITermMaxVault
     */
    function updateSupplyQueue(uint256[] memory indexes) external onlyAllocatorRole {
        _updateSupplyQueue(indexes);
    }

    /**
     * @inheritdoc ITermMaxVault
     */
    function updateWithdrawQueue(uint256[] memory indexes) external onlyAllocatorRole {
        _updateWithdrawQueue(indexes);
    }

    function _updateWithdrawQueue(uint256[] memory indexes) internal {
        uint256 length = _withdrawQueue.length;
        if (indexes.length != length) {
            revert WithdrawQueueLengthMismatch();
        }
        bool[] memory seen = new bool[](length);
        address[] memory newWithdrawQueue = new address[](length);

        for (uint256 i; i < length; ++i) {
            uint256 prevIndex = indexes[i];

            // If prevIndex >= currLength, it will revert with native "Index out of bounds".
            address order = _withdrawQueue[prevIndex];
            if (seen[prevIndex]) revert DuplicateOrder(order);
            seen[prevIndex] = true;

            newWithdrawQueue[i] = order;
        }
        _withdrawQueue = newWithdrawQueue;

        emit UpdateWithdrawQueue(msg.sender, newWithdrawQueue);
    }

    function _updateSupplyQueue(uint256[] memory indexes) internal {
        uint256 length = _supplyQueue.length;
        if (indexes.length != length) {
            revert SupplyQueueLengthMismatch();
        }
        bool[] memory seen = new bool[](length);
        address[] memory newSupplyQueue = new address[](length);

        for (uint256 i; i < length; ++i) {
            uint256 prevIndex = indexes[i];

            // If prevIndex >= currLength, it will revert with native "Index out of bounds".
            address order = _supplyQueue[prevIndex];
            if (seen[prevIndex]) revert DuplicateOrder(order);
            seen[prevIndex] = true;

            newSupplyQueue[i] = order;
        }
        _supplyQueue = newSupplyQueue;

        emit UpdateSupplyQueue(msg.sender, newSupplyQueue);
    }

    /**
     * Revoke functions
     */

    /**
     * @inheritdoc ITermMaxVault
     */
    function revokePendingTimelock() external onlyGuardianRole {
        delete _pendingTimelock;

        emit RevokePendingTimelock(_msgSender());
    }

    /**
     * @inheritdoc ITermMaxVault
     */
    function revokePendingGuardian() external onlyGuardianRole {
        delete _pendingGuardian;

        emit RevokePendingGuardian(_msgSender());
    }

    /**
     * @inheritdoc ITermMaxVault
     */
    function revokePendingMarket(address market) external onlyGuardianRole {
        delete _pendingMarkets[market];

        emit RevokePendingMarket(_msgSender(), market);
    }

    /**
     * @inheritdoc ITermMaxVault
     */
    function revokePendingPerformanceFeeRate() external onlyGuardianRole {
        delete _pendingPerformanceFeeRate;

        emit RevokePendingPerformanceFeeRate(_msgSender());
    }

    /**
     * @inheritdoc ITermMaxVault
     */
    function acceptTimelock() external afterTimelock(_pendingTimelock.validAt) {
        _setTimelock(_pendingTimelock.value);
    }

    /**
     * @inheritdoc ITermMaxVault
     */
    function acceptGuardian() external afterTimelock(_pendingGuardian.validAt) {
        _setGuardian(_pendingGuardian.value);
    }

    /**
     * @inheritdoc ITermMaxVault
     */
    function acceptMarket(address market) external afterTimelock(_pendingMarkets[market].validAt) {
        _setMarketWhitelist(market, true);
    }

    /**
     * @inheritdoc ITermMaxVault
     */
    function acceptPerformanceFeeRate() external afterTimelock(_pendingPerformanceFeeRate.validAt) {
        _setPerformanceFeeRate(uint256(_pendingPerformanceFeeRate.value).toUint64());
        delete _pendingPerformanceFeeRate;
        emit SetPerformanceFeeRate(_msgSender(), _performanceFeeRate);
    }

    /**
     * @notice Pauses the contract
     */
    function pause() external onlyOwner {
        _pause();
        // pause orders
        for (uint256 i = 0; i < _supplyQueue.length; ++i) {
            ITermMaxOrder(_supplyQueue[i]).pause();
        }
    }

    /**
     * @notice Unpauses the contract
     */
    function unpause() external onlyOwner {
        _unpause();
        // unpause orders
        for (uint256 i = 0; i < _supplyQueue.length; ++i) {
            ITermMaxOrder(_supplyQueue[i]).unpause();
        }
    }

    function _previewAccruedInterest()
        internal
        view
        returns (uint256 previewPrincipal, uint256 previewPerformanceFee)
    {
        uint64 currentTime = block.timestamp.toUint64();

        uint256 lastTime = _lastUpdateTime;
        if (lastTime == 0) {
            return (_accretingPrincipal, _performanceFee);
        }
        uint64 recentMaturity = _maturityMapping[0];
        uint256 previewAnnualizedInterest = _annualizedInterest;
        previewPrincipal = _accretingPrincipal;
        previewPerformanceFee = _performanceFee;

        while (currentTime >= recentMaturity && recentMaturity != 0) {
            (uint256 previewInterest, uint256 previewPerformanceFeeToCurator) =
                _previewAccruedPeriodInterest(lastTime, recentMaturity, previewAnnualizedInterest);
            lastTime = recentMaturity;
            uint64 nextMaturity = _maturityMapping[recentMaturity];
            // update annualized interest
            previewAnnualizedInterest -= _maturityToInterest[recentMaturity];

            previewPerformanceFee += previewPerformanceFeeToCurator;
            previewPrincipal += previewInterest;

            recentMaturity = nextMaturity;
        }
        if (recentMaturity > 0) {
            (uint256 previewInterest, uint256 previewPerformanceFeeToCurator) =
                _previewAccruedPeriodInterest(lastTime, currentTime, previewAnnualizedInterest);
            previewPerformanceFee += previewPerformanceFeeToCurator;
            previewPrincipal += previewInterest;
        }
    }

    function _previewAccruedPeriodInterest(uint256 startTime, uint256 endTime, uint256 previewAnnualizedInterest)
        internal
        view
        returns (uint256, uint256)
    {
        uint256 interest = (previewAnnualizedInterest * (endTime - startTime)) / 365 days;
        uint256 performanceFeeToCurator = (interest * _performanceFeeRate) / Constants.DECIMAL_BASE;
        return (interest - performanceFeeToCurator, performanceFeeToCurator);
    }

    /// @notice Callback function for the swap
    /// @param deltaFt The change in the ft balance of the order
    function afterSwap(uint256 ftReserve, uint256 xtReserve, int256 deltaFt, int256) external override {
        _delegateCall(abi.encodeCall(IOrderManager.afterSwap, (ftReserve, xtReserve, deltaFt)));
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.20;

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

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

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

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

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

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/math/SafeCast.sol)
// This file was procedurally generated from scripts/generate/templates/SafeCast.js.

pragma solidity ^0.8.20;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

pragma solidity ^0.8.20;

import {ContextUpgradeable} from "../utils/ContextUpgradeable.sol";
import {Initializable} from "../proxy/utils/Initializable.sol";

/**
 * @dev Contract module which allows children to implement an emergency stop
 * mechanism that can be triggered by an authorized account.
 *
 * This module is used through inheritance. It will make available the
 * modifiers `whenNotPaused` and `whenPaused`, which can be applied to
 * the functions of your contract. Note that they will not be pausable by
 * simply including this module, only once the modifiers are put in place.
 */
abstract contract PausableUpgradeable is Initializable, ContextUpgradeable {
    /// @custom:storage-location erc7201:openzeppelin.storage.Pausable
    struct PausableStorage {
        bool _paused;
    }

    // keccak256(abi.encode(uint256(keccak256("openzeppelin.storage.Pausable")) - 1)) & ~bytes32(uint256(0xff))
    bytes32 private constant PausableStorageLocation = 0xcd5ed15c6e187e77e9aee88184c21f4f2182ab5827cb3b7e07fbedcd63f03300;

    function _getPausableStorage() private pure returns (PausableStorage storage $) {
        assembly {
            $.slot := PausableStorageLocation
        }
    }

    /**
     * @dev Emitted when the pause is triggered by `account`.
     */
    event Paused(address account);

    /**
     * @dev Emitted when the pause is lifted by `account`.
     */
    event Unpaused(address account);

    /**
     * @dev The operation failed because the contract is paused.
     */
    error EnforcedPause();

    /**
     * @dev The operation failed because the contract is not paused.
     */
    error ExpectedPause();

    /**
     * @dev Initializes the contract in unpaused state.
     */
    function __Pausable_init() internal onlyInitializing {
        __Pausable_init_unchained();
    }

    function __Pausable_init_unchained() internal onlyInitializing {
        PausableStorage storage $ = _getPausableStorage();
        $._paused = false;
    }

    /**
     * @dev Modifier to make a function callable only when the contract is not paused.
     *
     * Requirements:
     *
     * - The contract must not be paused.
     */
    modifier whenNotPaused() {
        _requireNotPaused();
        _;
    }

    /**
     * @dev Modifier to make a function callable only when the contract is paused.
     *
     * Requirements:
     *
     * - The contract must be paused.
     */
    modifier whenPaused() {
        _requirePaused();
        _;
    }

    /**
     * @dev Returns true if the contract is paused, and false otherwise.
     */
    function paused() public view virtual returns (bool) {
        PausableStorage storage $ = _getPausableStorage();
        return $._paused;
    }

    /**
     * @dev Throws if the contract is paused.
     */
    function _requireNotPaused() internal view virtual {
        if (paused()) {
            revert EnforcedPause();
        }
    }

    /**
     * @dev Throws if the contract is not paused.
     */
    function _requirePaused() internal view virtual {
        if (!paused()) {
            revert ExpectedPause();
        }
    }

    /**
     * @dev Triggers stopped state.
     *
     * Requirements:
     *
     * - The contract must not be paused.
     */
    function _pause() internal virtual whenNotPaused {
        PausableStorage storage $ = _getPausableStorage();
        $._paused = true;
        emit Paused(_msgSender());
    }

    /**
     * @dev Returns to normal state.
     *
     * Requirements:
     *
     * - The contract must be paused.
     */
    function _unpause() internal virtual whenPaused {
        PausableStorage storage $ = _getPausableStorage();
        $._paused = false;
        emit Unpaused(_msgSender());
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/extensions/ERC4626.sol)

pragma solidity ^0.8.20;

import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import {IERC20Metadata} from "@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol";
import {ERC20Upgradeable} from "../ERC20Upgradeable.sol";
import {SafeERC20} from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import {IERC4626} from "@openzeppelin/contracts/interfaces/IERC4626.sol";
import {Math} from "@openzeppelin/contracts/utils/math/Math.sol";
import {Initializable} from "../../../proxy/utils/Initializable.sol";

/**
 * @dev Implementation of the ERC4626 "Tokenized Vault Standard" as defined in
 * https://eips.ethereum.org/EIPS/eip-4626[EIP-4626].
 *
 * This extension allows the minting and burning of "shares" (represented using the ERC20 inheritance) in exchange for
 * underlying "assets" through standardized {deposit}, {mint}, {redeem} and {burn} workflows. This contract extends
 * the ERC20 standard. Any additional extensions included along it would affect the "shares" token represented by this
 * contract and not the "assets" token which is an independent contract.
 *
 * [CAUTION]
 * ====
 * In empty (or nearly empty) ERC-4626 vaults, deposits are at high risk of being stolen through frontrunning
 * with a "donation" to the vault that inflates the price of a share. This is variously known as a donation or inflation
 * attack and is essentially a problem of slippage. Vault deployers can protect against this attack by making an initial
 * deposit of a non-trivial amount of the asset, such that price manipulation becomes infeasible. Withdrawals may
 * similarly be affected by slippage. Users can protect against this attack as well as unexpected slippage in general by
 * verifying the amount received is as expected, using a wrapper that performs these checks such as
 * https://github.com/fei-protocol/ERC4626#erc4626router-and-base[ERC4626Router].
 *
 * Since v4.9, this implementation uses virtual assets and shares to mitigate that risk. The `_decimalsOffset()`
 * corresponds to an offset in the decimal representation between the underlying asset's decimals and the vault
 * decimals. This offset also determines the rate of virtual shares to virtual assets in the vault, which itself
 * determines the initial exchange rate. While not fully preventing the attack, analysis shows that the default offset
 * (0) makes it non-profitable, as a result of the value being captured by the virtual shares (out of the attacker's
 * donation) matching the attacker's expected gains. With a larger offset, the attack becomes orders of magnitude more
 * expensive than it is profitable. More details about the underlying math can be found
 * xref:erc4626.adoc#inflation-attack[here].
 *
 * The drawback of this approach is that the virtual shares do capture (a very small) part of the value being accrued
 * to the vault. Also, if the vault experiences losses, the users try to exit the vault, the virtual shares and assets
 * will cause the first user to exit to experience reduced losses in detriment to the last users that will experience
 * bigger losses. Developers willing to revert back to the pre-v4.9 behavior just need to override the
 * `_convertToShares` and `_convertToAssets` functions.
 *
 * To learn more, check out our xref:ROOT:erc4626.adoc[ERC-4626 guide].
 * ====
 */
abstract contract ERC4626Upgradeable is Initializable, ERC20Upgradeable, IERC4626 {
    using Math for uint256;

    /// @custom:storage-location erc7201:openzeppelin.storage.ERC4626
    struct ERC4626Storage {
        IERC20 _asset;
        uint8 _underlyingDecimals;
    }

    // keccak256(abi.encode(uint256(keccak256("openzeppelin.storage.ERC4626")) - 1)) & ~bytes32(uint256(0xff))
    bytes32 private constant ERC4626StorageLocation = 0x0773e532dfede91f04b12a73d3d2acd361424f41f76b4fb79f090161e36b4e00;

    function _getERC4626Storage() private pure returns (ERC4626Storage storage $) {
        assembly {
            $.slot := ERC4626StorageLocation
        }
    }

    /**
     * @dev Attempted to deposit more assets than the max amount for `receiver`.
     */
    error ERC4626ExceededMaxDeposit(address receiver, uint256 assets, uint256 max);

    /**
     * @dev Attempted to mint more shares than the max amount for `receiver`.
     */
    error ERC4626ExceededMaxMint(address receiver, uint256 shares, uint256 max);

    /**
     * @dev Attempted to withdraw more assets than the max amount for `receiver`.
     */
    error ERC4626ExceededMaxWithdraw(address owner, uint256 assets, uint256 max);

    /**
     * @dev Attempted to redeem more shares than the max amount for `receiver`.
     */
    error ERC4626ExceededMaxRedeem(address owner, uint256 shares, uint256 max);

    /**
     * @dev Set the underlying asset contract. This must be an ERC20-compatible contract (ERC20 or ERC777).
     */
    function __ERC4626_init(IERC20 asset_) internal onlyInitializing {
        __ERC4626_init_unchained(asset_);
    }

    function __ERC4626_init_unchained(IERC20 asset_) internal onlyInitializing {
        ERC4626Storage storage $ = _getERC4626Storage();
        (bool success, uint8 assetDecimals) = _tryGetAssetDecimals(asset_);
        $._underlyingDecimals = success ? assetDecimals : 18;
        $._asset = asset_;
    }

    /**
     * @dev Attempts to fetch the asset decimals. A return value of false indicates that the attempt failed in some way.
     */
    function _tryGetAssetDecimals(IERC20 asset_) private view returns (bool, uint8) {
        (bool success, bytes memory encodedDecimals) = address(asset_).staticcall(
            abi.encodeCall(IERC20Metadata.decimals, ())
        );
        if (success && encodedDecimals.length >= 32) {
            uint256 returnedDecimals = abi.decode(encodedDecimals, (uint256));
            if (returnedDecimals <= type(uint8).max) {
                return (true, uint8(returnedDecimals));
            }
        }
        return (false, 0);
    }

    /**
     * @dev Decimals are computed by adding the decimal offset on top of the underlying asset's decimals. This
     * "original" value is cached during construction of the vault contract. If this read operation fails (e.g., the
     * asset has not been created yet), a default of 18 is used to represent the underlying asset's decimals.
     *
     * See {IERC20Metadata-decimals}.
     */
    function decimals() public view virtual override(IERC20Metadata, ERC20Upgradeable) returns (uint8) {
        ERC4626Storage storage $ = _getERC4626Storage();
        return $._underlyingDecimals + _decimalsOffset();
    }

    /** @dev See {IERC4626-asset}. */
    function asset() public view virtual returns (address) {
        ERC4626Storage storage $ = _getERC4626Storage();
        return address($._asset);
    }

    /** @dev See {IERC4626-totalAssets}. */
    function totalAssets() public view virtual returns (uint256) {
        ERC4626Storage storage $ = _getERC4626Storage();
        return $._asset.balanceOf(address(this));
    }

    /** @dev See {IERC4626-convertToShares}. */
    function convertToShares(uint256 assets) public view virtual returns (uint256) {
        return _convertToShares(assets, Math.Rounding.Floor);
    }

    /** @dev See {IERC4626-convertToAssets}. */
    function convertToAssets(uint256 shares) public view virtual returns (uint256) {
        return _convertToAssets(shares, Math.Rounding.Floor);
    }

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

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

    /** @dev See {IERC4626-maxWithdraw}. */
    function maxWithdraw(address owner) public view virtual returns (uint256) {
        return _convertToAssets(balanceOf(owner), Math.Rounding.Floor);
    }

    /** @dev See {IERC4626-maxRedeem}. */
    function maxRedeem(address owner) public view virtual returns (uint256) {
        return balanceOf(owner);
    }

    /** @dev See {IERC4626-previewDeposit}. */
    function previewDeposit(uint256 assets) public view virtual returns (uint256) {
        return _convertToShares(assets, Math.Rounding.Floor);
    }

    /** @dev See {IERC4626-previewMint}. */
    function previewMint(uint256 shares) public view virtual returns (uint256) {
        return _convertToAssets(shares, Math.Rounding.Ceil);
    }

    /** @dev See {IERC4626-previewWithdraw}. */
    function previewWithdraw(uint256 assets) public view virtual returns (uint256) {
        return _convertToShares(assets, Math.Rounding.Ceil);
    }

    /** @dev See {IERC4626-previewRedeem}. */
    function previewRedeem(uint256 shares) public view virtual returns (uint256) {
        return _convertToAssets(shares, Math.Rounding.Floor);
    }

    /** @dev See {IERC4626-deposit}. */
    function deposit(uint256 assets, address receiver) public virtual returns (uint256) {
        uint256 maxAssets = maxDeposit(receiver);
        if (assets > maxAssets) {
            revert ERC4626ExceededMaxDeposit(receiver, assets, maxAssets);
        }

        uint256 shares = previewDeposit(assets);
        _deposit(_msgSender(), receiver, assets, shares);

        return shares;
    }

    /** @dev See {IERC4626-mint}.
     *
     * As opposed to {deposit}, minting is allowed even if the vault is in a state where the price of a share is zero.
     * In this case, the shares will be minted without requiring any assets to be deposited.
     */
    function mint(uint256 shares, address receiver) public virtual returns (uint256) {
        uint256 maxShares = maxMint(receiver);
        if (shares > maxShares) {
            revert ERC4626ExceededMaxMint(receiver, shares, maxShares);
        }

        uint256 assets = previewMint(shares);
        _deposit(_msgSender(), receiver, assets, shares);

        return assets;
    }

    /** @dev See {IERC4626-withdraw}. */
    function withdraw(uint256 assets, address receiver, address owner) public virtual returns (uint256) {
        uint256 maxAssets = maxWithdraw(owner);
        if (assets > maxAssets) {
            revert ERC4626ExceededMaxWithdraw(owner, assets, maxAssets);
        }

        uint256 shares = previewWithdraw(assets);
        _withdraw(_msgSender(), receiver, owner, assets, shares);

        return shares;
    }

    /** @dev See {IERC4626-redeem}. */
    function redeem(uint256 shares, address receiver, address owner) public virtual returns (uint256) {
        uint256 maxShares = maxRedeem(owner);
        if (shares > maxShares) {
            revert ERC4626ExceededMaxRedeem(owner, shares, maxShares);
        }

        uint256 assets = previewRedeem(shares);
        _withdraw(_msgSender(), receiver, owner, assets, shares);

        return assets;
    }

    /**
     * @dev Internal conversion function (from assets to shares) with support for rounding direction.
     */
    function _convertToShares(uint256 assets, Math.Rounding rounding) internal view virtual returns (uint256) {
        return assets.mulDiv(totalSupply() + 10 ** _decimalsOffset(), totalAssets() + 1, rounding);
    }

    /**
     * @dev Internal conversion function (from shares to assets) with support for rounding direction.
     */
    function _convertToAssets(uint256 shares, Math.Rounding rounding) internal view virtual returns (uint256) {
        return shares.mulDiv(totalAssets() + 1, totalSupply() + 10 ** _decimalsOffset(), rounding);
    }

    /**
     * @dev Deposit/mint common workflow.
     */
    function _deposit(address caller, address receiver, uint256 assets, uint256 shares) internal virtual {
        ERC4626Storage storage $ = _getERC4626Storage();
        // If _asset is ERC777, `transferFrom` can trigger a reentrancy BEFORE the transfer happens through the
        // `tokensToSend` hook. On the other hand, the `tokenReceived` hook, that is triggered after the transfer,
        // calls the vault, which is assumed not malicious.
        //
        // Conclusion: we need to do the transfer before we mint so that any reentrancy would happen before the
        // assets are transferred and before the shares are minted, which is a valid state.
        // slither-disable-next-line reentrancy-no-eth
        SafeERC20.safeTransferFrom($._asset, caller, address(this), assets);
        _mint(receiver, shares);

        emit Deposit(caller, receiver, assets, shares);
    }

    /**
     * @dev Withdraw/redeem common workflow.
     */
    function _withdraw(
        address caller,
        address receiver,
        address owner,
        uint256 assets,
        uint256 shares
    ) internal virtual {
        ERC4626Storage storage $ = _getERC4626Storage();
        if (caller != owner) {
            _spendAllowance(owner, caller, shares);
        }

        // If _asset is ERC777, `transfer` can trigger a reentrancy AFTER the transfer happens through the
        // `tokensReceived` hook. On the other hand, the `tokensToSend` hook, that is triggered before the transfer,
        // calls the vault, which is assumed not malicious.
        //
        // Conclusion: we need to do the transfer after the burn so that any reentrancy would happen after the
        // shares are burned and after the assets are transferred, which is a valid state.
        _burn(owner, shares);
        SafeERC20.safeTransfer($._asset, receiver, assets);

        emit Withdraw(caller, receiver, owner, assets, shares);
    }

    function _decimalsOffset() internal view virtual returns (uint8) {
        return 0;
    }
}

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

pragma solidity ^0.8.20;

import {OwnableUpgradeable} from "./OwnableUpgradeable.sol";
import {Initializable} from "../proxy/utils/Initializable.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 Ownable2StepUpgradeable is Initializable, OwnableUpgradeable {
    /// @custom:storage-location erc7201:openzeppelin.storage.Ownable2Step
    struct Ownable2StepStorage {
        address _pendingOwner;
    }

    // keccak256(abi.encode(uint256(keccak256("openzeppelin.storage.Ownable2Step")) - 1)) & ~bytes32(uint256(0xff))
    bytes32 private constant Ownable2StepStorageLocation = 0x237e158222e3e6968b72b9db0d8043aacf074ad9f650f0d1606b4d82ee432c00;

    function _getOwnable2StepStorage() private pure returns (Ownable2StepStorage storage $) {
        assembly {
            $.slot := Ownable2StepStorageLocation
        }
    }

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

    function __Ownable2Step_init() internal onlyInitializing {
    }

    function __Ownable2Step_init_unchained() internal onlyInitializing {
    }
    /**
     * @dev Returns the address of the pending owner.
     */
    function pendingOwner() public view virtual returns (address) {
        Ownable2StepStorage storage $ = _getOwnable2StepStorage();
        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 {
        Ownable2StepStorage storage $ = _getOwnable2StepStorage();
        $._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 {
        Ownable2StepStorage storage $ = _getOwnable2StepStorage();
        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/ReentrancyGuard.sol)

pragma solidity ^0.8.20;
import {Initializable} from "../proxy/utils/Initializable.sol";

/**
 * @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 ReentrancyGuardUpgradeable is Initializable {
    // 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;

    /// @custom:storage-location erc7201:openzeppelin.storage.ReentrancyGuard
    struct ReentrancyGuardStorage {
        uint256 _status;
    }

    // keccak256(abi.encode(uint256(keccak256("openzeppelin.storage.ReentrancyGuard")) - 1)) & ~bytes32(uint256(0xff))
    bytes32 private constant ReentrancyGuardStorageLocation = 0x9b779b17422d0df92223018b32b4d1fa46e071723d6817e2486d003becc55f00;

    function _getReentrancyGuardStorage() private pure returns (ReentrancyGuardStorage storage $) {
        assembly {
            $.slot := ReentrancyGuardStorageLocation
        }
    }

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

    function __ReentrancyGuard_init() internal onlyInitializing {
        __ReentrancyGuard_init_unchained();
    }

    function __ReentrancyGuard_init_unchained() internal onlyInitializing {
        ReentrancyGuardStorage storage $ = _getReentrancyGuardStorage();
        $._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 {
        ReentrancyGuardStorage storage $ = _getReentrancyGuardStorage();
        // 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 {
        ReentrancyGuardStorage storage $ = _getReentrancyGuardStorage();
        // 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) {
        ReentrancyGuardStorage storage $ = _getReentrancyGuardStorage();
        return $._status == ENTERED;
    }
}

// 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 EIP-1153 (transient storage) is available on the chain you're deploying at,
 * consider using {ReentrancyGuardTransient} instead.
 *
 * TIP: If you would like to learn more about reentrancy and alternative ways
 * to protect against it, check out our blog post
 * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
 */
abstract contract ReentrancyGuard {
    // Booleans are more expensive than uint256 or any type that takes up a full
    // word because each write operation emits an extra SLOAD to first read the
    // slot's contents, replace the bits taken up by the boolean, and then write
    // back. This is the compiler's defense against contract upgrades and
    // pointer aliasing, and it cannot be disabled.

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

    uint256 private _status;

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

    constructor() {
        _status = NOT_ENTERED;
    }

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

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

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

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

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

// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity ^0.8.0;

struct PendingUint192 {
    /// @notice The pending value to set.
    uint192 value;
    /// @notice The timestamp at which the pending value becomes valid.
    uint64 validAt;
}

struct PendingAddress {
    /// @notice The pending value to set.
    address value;
    /// @notice The timestamp at which the pending value becomes valid.
    uint64 validAt;
}

/// @title PendingLib
/// @author Morpho Labs
/// @custom:contact security@morpho.org
/// @notice Library to manage pending values and their validity timestamp.
library PendingLib {
    /// @dev Updates `pending`'s value to `newValue` and its corresponding `validAt` timestamp.
    /// @dev Assumes `timelock` <= `MAX_TIMELOCK`.
    function update(PendingUint192 storage pending, uint184 newValue, uint256 timelock) internal {
        pending.value = newValue;
        // Safe "unchecked" cast because timelock <= MAX_TIMELOCK.
        pending.validAt = uint64(block.timestamp + timelock);
    }

    /// @dev Updates `pending`'s value to `newValue` and its corresponding `validAt` timestamp.
    /// @dev Assumes `timelock` <= `MAX_TIMELOCK`.
    function update(PendingAddress storage pending, address newValue, uint256 timelock) internal {
        pending.value = newValue;
        // Safe "unchecked" cast because timelock <= MAX_TIMELOCK.
        pending.validAt = uint64(block.timestamp + timelock);
    }
}

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

import {IMintableERC20, IERC20} from "./tokens/IMintableERC20.sol";
import {IGearingToken} from "./tokens/IGearingToken.sol";
import {ITermMaxOrder} from "./ITermMaxOrder.sol";
import {MarketConfig, MarketInitialParams, CurveCuts, FeeConfig} from "./storage/TermMaxStorage.sol";
import {Clones} from "@openzeppelin/contracts/proxy/Clones.sol";
import {ISwapCallback} from "./ISwapCallback.sol";

/**
 * @title TermMax Market interface
 * @author Term Structure Labs
 */
interface ITermMaxMarket {
    /// @notice Initialize the token and configuration of the market
    function initialize(MarketInitialParams memory params) external;

    /// @notice Return the configuration
    function config() external view returns (MarketConfig memory);

    /// @notice Set the market configuration
    function updateMarketConfig(MarketConfig calldata newConfig) external;

    /// @notice Return the tokens in TermMax Market
    /// @return ft Fixed-rate Token(bond token). Earning Fixed Income with High Certainty
    /// @return xt Intermediary Token for Collateralization and Leveragin
    /// @return gt Gearing Token
    /// @return collateral Collateral token
    /// @return underlying Underlying Token(debt)
    function tokens()
        external
        view
        returns (IMintableERC20 ft, IMintableERC20 xt, IGearingToken gt, address collateral, IERC20 underlying);

    /// @notice Mint FT and XT tokens by underlying token.
    ///         No price slippage or handling fees.
    /// @param debtTokenAmt Amount of underlying token want to lock
    function mint(address recipient, uint256 debtTokenAmt) external;

    /// @notice Burn FT and XT to get underlying token.
    ///         No price slippage or handling fees.
    /// @param debtTokenAmt Amount of underlying token want to get
    function burn(address recipient, uint256 debtTokenAmt) external;

    /// @notice Using collateral to issue FT tokens.
    ///         Caller will get FT(bond) tokens equal to the debt amount subtract issue fee
    /// @param debt The amount of debt, unit by underlying token
    /// @param collateralData The encoded data of collateral
    /// @return gtId The id of Gearing Token
    ///
    function issueFt(address recipient, uint128 debt, bytes calldata collateralData)
        external
        returns (uint256 gtId, uint128 ftOutAmt);

    /// @notice Return the issue fee ratio
    function mintGtFeeRatio() external view returns (uint256);

    /// @notice Using collateral to issue FT tokens.
    ///         Caller will get FT(bond) tokens equal to the debt amount subtract issue fee
    /// @param recipient Who will receive Gearing Token
    /// @param debt The amount of debt, unit by underlying token
    /// @param gtId The id of Gearing Token
    /// @return ftOutAmt The amount of FT issued
    ///
    function issueFtByExistedGt(address recipient, uint128 debt, uint256 gtId) external returns (uint128 ftOutAmt);

    /// @notice Flash loan underlying token for leverage
    /// @param recipient Who will receive Gearing Token
    /// @param xtAmt The amount of XT token.
    ///              The caller will receive an equal amount of underlying token by flash loan.
    /// @param callbackData The data of flash loan callback
    /// @return gtId The id of Gearing Token
    function leverageByXt(address recipient, uint128 xtAmt, bytes calldata callbackData)
        external
        returns (uint256 gtId);

    /// @notice Preview the redeem amount and delivery data
    /// @param ftAmount The amount of FT want to redeem
    /// @return debtTokenAmt The amount of debt token
    /// @return deliveryData The delivery data
    function previewRedeem(uint256 ftAmount) external view returns (uint256 debtTokenAmt, bytes memory deliveryData);

    /// @notice Redeem underlying tokens after maturity
    /// @param ftAmount The amount of FT want to redeem
    /// @param recipient Who will receive the underlying tokens
    /// @return debtTokenAmt The amount of debt token
    /// @return deliveryData The delivery data
    function redeem(uint256 ftAmount, address recipient)
        external
        returns (uint256 debtTokenAmt, bytes memory deliveryData);

    /// @notice Set the configuration of Gearing Token
    function updateGtConfig(bytes memory configData) external;

    /// @notice Set the fee rate of order
    function updateOrderFeeRate(ITermMaxOrder order, FeeConfig memory newFeeConfig) external;

    /// @notice Create a new order
    function createOrder(address maker, uint256 maxXtReserve, ISwapCallback swapTrigger, CurveCuts memory curveCuts)
        external
        returns (ITermMaxOrder order);
}

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

import {IERC20Metadata} from "@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol";
import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import {IOracle} from "../oracle/IOracle.sol";
import {ISwapCallback} from "../ISwapCallback.sol";

/**
 * @title The data struct of token pair
 * @author Term Structure Labs
 */
struct CurveCut {
    uint256 xtReserve;
    uint256 liqSquare;
    int256 offset;
}

struct FeeConfig {
    /// @notice The lending fee ratio taker
    ///         i.e. 0.01e8 means 1%
    uint32 lendTakerFeeRatio;
    /// @notice The lending fee ratio for maker
    ///         i.e. 0.01e8 means 1%
    uint32 lendMakerFeeRatio;
    /// @notice The borrowing fee ratio for taker
    ///         i.e. 0.01e8 means 1%
    uint32 borrowTakerFeeRatio;
    /// @notice The borrowing fee ratio for maker
    ///         i.e. 0.01e8 means 1%
    uint32 borrowMakerFeeRatio;
    /// @notice The fee ratio when minting GT tokens by collateral
    ///         i.e. 0.01e8 means 1%
    uint32 mintGtFeeRatio;
    /// @notice The fee ref when minting GT tokens by collateral
    ///         i.e. 0.01e8 means 1%
    uint32 mintGtFeeRef;
}

struct CurveCuts {
    /// @notice The curve cuts of the market to lend
    CurveCut[] lendCurveCuts;
    /// @notice The curve cuts of the market to borrow
    CurveCut[] borrowCurveCuts;
}

struct MarketConfig {
    /// @notice The treasurer's address, which will receive protocol fee
    address treasurer;
    /// @notice The unix time of maturity date
    uint64 maturity;
    /// @notice The fee ratio when tradings with the market and orders
    FeeConfig feeConfig;
}

struct LoanConfig {
    /// @notice The oracle aggregator
    IOracle oracle;
    /// @notice The debt liquidation threshold
    ///         If the loan to collateral is greater than or equal to this value,
    ///         it will be liquidated
    ///         i.e. 0.9e8 means debt value is the 90% of collateral value
    uint32 liquidationLtv;
    /// @notice Maximum loan to collateral when borrowing
    ///         i.e. 0.85e8 means debt value is the 85% of collateral value
    uint32 maxLtv;
    /// @notice The flag to indicate debt is liquidatable or not
    /// @dev    If liquidatable is false, the collateral can only be delivered after maturity
    bool liquidatable;
}

/// @notice Data of Gearing Token's configuturation
struct GtConfig {
    /// @notice The address of collateral token
    address collateral;
    /// @notice The debtToken(debt) token
    IERC20Metadata debtToken;
    /// @notice The bond token
    IERC20 ft;
    /// @notice The treasurer's address, which will receive protocol reward while liquidation
    address treasurer;
    /// @notice The unix time of maturity date
    uint64 maturity;
    /// @notice The configuration of oracle, ltv and liquidation
    LoanConfig loanConfig;
}

struct OrderConfig {
    CurveCuts curveCuts;
    uint256 gtId;
    uint256 maxXtReserve;
    ISwapCallback swapTrigger;
    FeeConfig feeConfig;
}

struct MarketInitialParams {
    /// @notice The address of collateral token
    address collateral;
    /// @notice The debtToken(debt) token
    IERC20Metadata debtToken;
    /// @notice The admin address
    address admin;
    /// @notice The implementation of TermMax Gearing Token contract
    address gtImplementation;
    /// @notice The configuration of market
    MarketConfig marketConfig;
    /// @notice The configuration of loan
    LoanConfig loanConfig;
    /// @notice The encoded parameters to initialize GT implementation contract
    bytes gtInitalParams;
    string tokenName;
    string tokenSymbol;
}

struct VaultInitialParams {
    address admin;
    address curator;
    uint256 timelock;
    IERC20 asset;
    uint256 maxCapacity;
    string name;
    string symbol;
    uint64 performanceFeeRate;
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.27;

import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import {ITermMaxMarket} from "../ITermMaxMarket.sol";
import {ITermMaxOrder} from "../ITermMaxOrder.sol";
import {SwapUnit} from "./ISwapAdapter.sol";
import {CurveCuts} from "../storage/TermMaxStorage.sol";
import {ISwapCallback} from "../ISwapCallback.sol";

/**
 * @title TermMax Router interface
 * @author Term Structure Labs
 * @notice Interface for the main router contract that handles all user interactions with TermMax protocol
 * @dev This interface defines all external functions for swapping, leveraging, and managing positions
 */
interface ITermMaxRouter {
    /**
     * @notice Pauses all protocol operations
     * @dev Can only be called by authorized addresses
     */
    function pause() external;

    /**
     * @notice Unpauses protocol operations
     * @dev Can only be called by authorized addresses
     */
    function unpause() external;

    /**
     * @notice View the adapter whitelist status
     * @dev Used for controlling which swap adapters can be used
     * @param adapter The adapter's address to check whitelist status for
     * @return True if whitelisted, false otherwise
     */
    function adapterWhitelist(address adapter) external view returns (bool);

    /**
     * @notice Set the adapter whitelist status
     * @dev Used for controlling which swap adapters can be used
     * @param adapter The adapter's address to set whitelist status for
     * @param isWhitelist True to whitelist, false to remove from whitelist
     */
    function setAdapterWhitelist(address adapter, bool isWhitelist) external;

    /**
     * @notice Retrieves all assets owned by an address in a specific market
     * @dev Returns both ERC20 tokens and GT (Governance Token) positions
     * @param market The market to query assets from
     * @param owner The address to check assets for
     * @return tokens Array of ERC20 token addresses
     * @return balances Corresponding balances for each token
     * @return gt The GT token contract address
     * @return gtIds Array of GT token IDs owned by the address
     */
    function assetsWithERC20Collateral(ITermMaxMarket market, address owner)
        external
        view
        returns (IERC20[4] memory tokens, uint256[4] memory balances, address gt, uint256[] memory gtIds);

    /**
     * @notice Swaps an exact amount of input token for output token
     * @dev Uses specified orders for the swap path
     * @param tokenIn Input token to swap from
     * @param tokenOut Output token to swap to
     * @param recipient Address to receive the output tokens
     * @param orders Array of orders to use for the swap path
     * @param tradingAmts Array of amounts to trade for each order
     * @param minTokenOut Minimum amount of output tokens to receive
     * @param deadline The deadline timestamp for the transaction
     * @return netTokenOut Actual amount of output tokens received
     */
    function swapExactTokenToToken(
        IERC20 tokenIn,
        IERC20 tokenOut,
        address recipient,
        ITermMaxOrder[] memory orders,
        uint128[] memory tradingAmts,
        uint128 minTokenOut,
        uint256 deadline
    ) external returns (uint256 netTokenOut);

    /**
     * @notice Swaps tokens to receive an exact amount of output token
     * @dev Uses specified orders for the swap path
     * @param tokenIn Input token to swap from
     * @param tokenOut Output token to swap to
     * @param recipient Address to receive the output tokens
     * @param orders Array of orders to use for the swap path
     * @param tradingAmts Array of amounts to trade for each order
     * @param maxTokenIn Maximum amount of input tokens to spend
     * @param deadline The deadline timestamp for the transaction
     * @return netTokenIn Actual amount of input tokens spent
     */
    function swapTokenToExactToken(
        IERC20 tokenIn,
        IERC20 tokenOut,
        address recipient,
        ITermMaxOrder[] memory orders,
        uint128[] memory tradingAmts,
        uint128 maxTokenIn,
        uint256 deadline
    ) external returns (uint256 netTokenIn);

    /**
     * @notice Sells FT and XT tokens for underlying tokens
     * @dev Executes multiple orders to sell tokens
     * @param recipient Address to receive the output tokens
     * @param market The market to sell tokens in
     * @param ftInAmt Amount of FT tokens to sell
     * @param xtInAmt Amount of XT tokens to sell
     * @param orders Array of orders to execute
     * @param amtsToSellTokens Array of amounts to sell for each order
     * @param minTokenOut Minimum amount of output tokens to receive
     * @param deadline The deadline timestamp for the transaction
     * @return netTokenOut Actual amount of output tokens received
     */
    function sellTokens(
        address recipient,
        ITermMaxMarket market,
        uint128 ftInAmt,
        uint128 xtInAmt,
        ITermMaxOrder[] memory orders,
        uint128[] memory amtsToSellTokens,
        uint128 minTokenOut,
        uint256 deadline
    ) external returns (uint256 netTokenOut);

    /**
     * @notice Creates a leveraged position from input tokens
     * @dev Swaps tokens for XT and creates a leveraged position
     * @param recipient Address to receive the position
     * @param market The market to create position in
     * @param orders Array of orders to execute
     * @param amtsToBuyXt Array of amounts of XT to buy for each order
     * @param minXtOut Minimum amount of XT to establish the position
     * @param tokenToSwap Amount of tokens to swap
     * @param maxLtv Maximum loan-to-value ratio
     * @param units Array of swap units defining the swap path
     * @param deadline The deadline timestamp for the transaction
     * @return gtId ID of the generated GT token
     * @return netXtOut Amount of XT tokens received
     */
    function leverageFromToken(
        address recipient,
        ITermMaxMarket market,
        ITermMaxOrder[] memory orders,
        uint128[] memory amtsToBuyXt,
        uint128 minXtOut,
        uint128 tokenToSwap,
        uint128 maxLtv,
        SwapUnit[] memory units,
        uint256 deadline
    ) external returns (uint256 gtId, uint256 netXtOut);

    /**
     * @notice Creates a leveraged position from XT tokens
     * @dev Uses existing XT tokens to create a leveraged position
     * @param recipient Address to receive the position
     * @param market The market to create position in
     * @param xtInAmt Amount of XT tokens to use
     * @param tokenInAmt Amount of additional tokens to use
     * @param maxLtv Maximum loan-to-value ratio
     * @param units Array of swap units defining the swap path
     * @return gtId ID of the generated GT token
     */
    function leverageFromXt(
        address recipient,
        ITermMaxMarket market,
        uint128 xtInAmt,
        uint128 tokenInAmt,
        uint128 maxLtv,
        SwapUnit[] memory units
    ) external returns (uint256 gtId);

    function leverageFromXtAndCollateral(
        address recipient,
        ITermMaxMarket market,
        uint128 xtInAmt,
        uint128 collateralInAmt,
        uint128 maxLtv,
        SwapUnit[] memory units
    ) external returns (uint256 gtId);

    /**
     * @notice Borrows tokens using collateral
     * @dev Creates a collateralized debt position
     * @param recipient Address to receive the borrowed tokens
     * @param market The market to borrow from
     * @param collInAmt Amount of collateral to deposit
     * @param orders Array of orders to execute
     * @param tokenAmtsWantBuy Array of token amounts to buy
     * @param maxDebtAmt Maximum amount of debt to take on
     * @param deadline The deadline timestamp for the transaction
     * @return gtId ID of the generated GT token
     */
    function borrowTokenFromCollateral(
        address recipient,
        ITermMaxMarket market,
        uint256 collInAmt,
        ITermMaxOrder[] memory orders,
        uint128[] memory tokenAmtsWantBuy,
        uint128 maxDebtAmt,
        uint256 deadline
    ) external returns (uint256 gtId);

    /**
     * @notice Borrows tokens using collateral and XT
     * @dev Creates a collateralized debt position
     * @param recipient Address to receive the borrowed tokens
     * @param market The market to borrow from
     * @param collInAmt Amount of collateral to deposit
     * @param borrowAmt Amount of tokens to borrow
     * @return gtId ID of the generated GT token
     */
    function borrowTokenFromCollateral(address recipient, ITermMaxMarket market, uint256 collInAmt, uint256 borrowAmt)
        external
        returns (uint256 gtId);

    /**
     * @notice Borrows tokens from an existing GT position
     * @dev Increases the debt of an existing position
     * @param recipient Address to receive the borrowed tokens
     * @param market The market to borrow from
     * @param gtId ID of the GT token to borrow from
     * @param borrowAmt Amount of tokens to borrow
     */
    function borrowTokenFromGt(address recipient, ITermMaxMarket market, uint256 gtId, uint256 borrowAmt) external;

    /**
     * @notice Repays debt from collateral
     * @dev Repays debt and closes a position
     * @param recipient Address to receive any remaining collateral
     * @param market The market to repay debt in
     * @param gtId ID of the GT token to repay debt from
     * @param orders Array of orders to execute
     * @param amtsToBuyFt Array of amounts to buy for each order
     * @param byDebtToken Whether to repay debt using debt tokens
     * @param units Array of swap units defining the swap path
     * @param deadline The deadline timestamp for the transaction
     * @return netTokenOut Actual amount of tokens received
     */
    function flashRepayFromColl(
        address recipient,
        ITermMaxMarket market,
        uint256 gtId,
        ITermMaxOrder[] memory orders,
        uint128[] memory amtsToBuyFt,
        bool byDebtToken,
        SwapUnit[] memory units,
        uint256 deadline
    ) external returns (uint256 netTokenOut);

    /**
     * @notice Repays debt using FT tokens
     * @dev Repays debt and closes a position
     * @param recipient Address to receive any remaining tokens
     * @param market The market to repay debt in
     * @param gtId ID of the GT token to repay debt from
     * @param orders Array of orders to execute
     * @param ftAmtsWantBuy Array of FT amounts to buy for each order
     * @param maxTokenIn Maximum amount of tokens to spend
     * @param deadline The deadline timestamp for the transaction
     * @return returnAmt Actual amount of tokens returned
     */
    function repayByTokenThroughFt(
        address recipient,
        ITermMaxMarket market,
        uint256 gtId,
        ITermMaxOrder[] memory orders,
        uint128[] memory ftAmtsWantBuy,
        uint128 maxTokenIn,
        uint256 deadline
    ) external returns (uint256 returnAmt);

    /**
     * @notice Redeems FT tokens and swaps for underlying tokens
     * @dev Executes a swap to redeem FT tokens
     * @param recipient Address to receive the output tokens
     * @param market The market to redeem FT tokens in
     * @param ftAmount Amount of FT tokens to redeem
     * @param units Array of swap units defining the swap path
     * @param minTokenOut Minimum amount of output tokens to receive
     * @return redeemedAmt Actual amount of output tokens received
     */
    function redeemAndSwap(
        address recipient,
        ITermMaxMarket market,
        uint256 ftAmount,
        SwapUnit[] memory units,
        uint256 minTokenOut
    ) external returns (uint256 redeemedAmt);

    /**
     * @notice Creates an order and deposits tokens
     * @dev Creates a new order and deposits tokens to the market
     * @param market The market to create order in
     * @param maker Address of the order maker
     * @param maxXtReserve Maximum amount of XT to reserve
     * @param swapTrigger Swap trigger callback
     * @param debtTokenToDeposit Amount of debt tokens to deposit
     * @param ftToDeposit Amount of FT tokens to deposit
     * @param xtToDeposit Amount of XT tokens to deposit
     * @param curveCuts Curve cuts for the order
     * @return order The created order
     */
    function createOrderAndDeposit(
        ITermMaxMarket market,
        address maker,
        uint256 maxXtReserve,
        ISwapCallback swapTrigger,
        uint256 debtTokenToDeposit,
        uint128 ftToDeposit,
        uint128 xtToDeposit,
        CurveCuts memory curveCuts
    ) external returns (ITermMaxOrder order);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.27;

import {IMintableERC20, IERC20} from "./tokens/IMintableERC20.sol";
import {IGearingToken} from "./tokens/IGearingToken.sol";
import {ITermMaxMarket} from "./ITermMaxMarket.sol";
import {OrderConfig, MarketConfig, CurveCuts, FeeConfig} from "./storage/TermMaxStorage.sol";
import {ISwapCallback} from "./ISwapCallback.sol";

/**
 * @title TermMax Order interface
 * @author Term Structure Labs
 */
interface ITermMaxOrder {
    /// @notice Initialize the token and configuration of the order
    /// @param maker The maker
    /// @param tokens The tokens
    /// @param gt The Gearing Token
    /// @param maxXtReserve The maximum reserve of XT token
    /// @param curveCuts The curve cuts
    /// @param marketConfig The market configuration
    /// @dev Only factory will call this function once when deploying new market
    function initialize(
        address maker,
        IERC20[3] memory tokens,
        IGearingToken gt,
        uint256 maxXtReserve,
        ISwapCallback trigger,
        CurveCuts memory curveCuts,
        MarketConfig memory marketConfig
    ) external;

    /// @notice Return the configuration
    function orderConfig() external view returns (OrderConfig memory);

    /// @notice Return the maker
    function maker() external view returns (address);

    /// @notice Set the market configuration
    /// @param newOrderConfig New order configuration
    /// @param ftChangeAmt Change amount of FT reserve
    /// @param xtChangeAmt Change amount of XT reserve
    function updateOrder(OrderConfig memory newOrderConfig, int256 ftChangeAmt, int256 xtChangeAmt) external;

    function withdrawAssets(IERC20 token, address recipient, uint256 amount) external;

    function updateFeeConfig(FeeConfig memory newFeeConfig) external;

    /// @notice Return the token reserves
    function tokenReserves() external view returns (uint256 ftReserve, uint256 xtReserve);

    /// @notice Return the tokens in TermMax Market
    /// @return market The market
    function market() external view returns (ITermMaxMarket market);

    /// @notice Return the current apr of the amm order book
    /// @return lendApr Lend APR
    /// @return borrowApr Borrow APR
    function apr() external view returns (uint256 lendApr, uint256 borrowApr);

    /// @notice Swap exact token to token
    /// @param tokenIn The token want to swap
    /// @param tokenOut The token want to receive
    /// @param recipient Who receive output tokens
    /// @param tokenAmtIn The number of tokenIn tokens input
    /// @param minTokenOut Minimum number of tokenOut token outputs required
    /// @param deadline The timestamp after which the transaction will revert
    /// @return netOut The actual number of tokenOut tokens received
    function swapExactTokenToToken(
        IERC20 tokenIn,
        IERC20 tokenOut,
        address recipient,
        uint128 tokenAmtIn,
        uint128 minTokenOut,
        uint256 deadline
    ) external returns (uint256 netOut);

    /// @notice Swap token to exact token
    /// @param tokenIn The token want to swap
    /// @param tokenOut The token want to receive
    /// @param recipient Who receive output tokens
    /// @param tokenAmtOut The number of tokenOut tokens output
    /// @param maxTokenIn Maximum number of tokenIn token inputs required
    /// @param deadline The timestamp after which the transaction will revert
    /// @return netIn The actual number of tokenIn tokens input
    function swapTokenToExactToken(
        IERC20 tokenIn,
        IERC20 tokenOut,
        address recipient,
        uint128 tokenAmtOut,
        uint128 maxTokenIn,
        uint256 deadline
    ) external returns (uint256 netIn);

    /// @notice Suspension of market trading
    function pause() external;

    /// @notice Open Market Trading
    function unpause() external;
}

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

library VaultConstants {
    /// @dev The maximum delay of a timelock.
    uint256 internal constant MAX_TIMELOCK = 2 weeks;

    /// @dev The minimum delay of a timelock post initialization.
    uint256 internal constant POST_INITIALIZATION_MIN_TIMELOCK = 1 days;

    /// @dev The maximum number of markets in the supply/withdraw queue.
    uint256 internal constant MAX_QUEUE_LENGTH = 30;

    /// @dev The maximum fee the vault can have (50%).
    uint256 internal constant MAX_FEE = 0.5e18;

    /// @dev The maximum term the vault can have.
    uint256 internal constant MAX_TERM = 365 days;

    /// @dev The maximum performance fee rate the vault can have.
    uint256 internal constant MAX_PERFORMANCE_FEE_RATE = 0.5e8;
}

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

import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";

library TransferUtils {
    using SafeERC20 for IERC20;

    error CanNotTransferUintMax();

    function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {
        if (value == type(uint256).max) {
            revert CanNotTransferUintMax();
        }
        if (from == to || value == 0) {
            return;
        }
        token.safeTransferFrom(from, to, value);
    }

    function safeTransfer(IERC20 token, address to, uint256 value) internal {
        if (value == type(uint256).max) {
            revert CanNotTransferUintMax();
        }
        if (to == address(this) || value == 0) {
            return;
        }
        token.safeTransfer(to, value);
    }

    function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {
        if (value == 0 || spender == address(this)) {
            return;
        }
        token.safeIncreaseAllowance(spender, value);
    }

    function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal {
        if (value == 0 || spender == address(this)) {
            return;
        }
        token.safeDecreaseAllowance(spender, value);
    }
}

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

/**
 * @title TermMax Swap Callback Interface
 * @author Term Structure Labs
 * @notice Interface for handling callbacks after swap operations in TermMax
 */
interface ISwapCallback {
    /**
     * @notice Callback function called after a swap operation
     * @param ftReserve The reserve of the FT token
     * @param xtReserve The reserve of the XT token
     * @param deltaFt The change in FT token balance (positive for receiving, negative for paying)
     * @param deltaXt The change in XT token balance (positive for receiving, negative for paying)
     */
    function afterSwap(uint256 ftReserve, uint256 xtReserve, int256 deltaFt, int256 deltaXt) external;
}

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

/**
 * @title Vault Errors Interface
 * @notice Custom errors for the TermMax vault operations
 */
interface VaultErrors {
    error InvalidImplementation();
    /**
     * @notice Error thrown when attempting to interact with a vault without its proxy
     */
    error OnlyProxy();

    /**
     * @notice Error thrown when attempting to interact with a non-whitelisted market
     */
    error MarketNotWhitelisted();

    /**
     * @notice Error thrown when trying to deal with bad debt that doesn't exist
     * @param collateral The address of the collateral token
     */
    error NoBadDebt(address collateral);

    /**
     * @notice Error thrown when attempting to withdraw more funds than available
     * @param maxWithdraw The maximum amount that can be withdrawn
     * @param expectedWithdraw The amount attempted to withdraw
     */
    error InsufficientFunds(uint256 maxWithdraw, uint256 expectedWithdraw);

    /**
     * @notice Error thrown when the locked FT amount exceeds the total FT
     */
    error LockedFtGreaterThanTotalFt();

    /**
     * @notice Error thrown when attempting to set a performance fee rate beyond the maximum allowed
     */
    error PerformanceFeeRateExceeded();

    /**
     * @notice Error thrown when there's an asset mismatch in an operation
     */
    error InconsistentAsset();

    /**
     * @notice Error thrown when trying to accept a change that has no pending value
     */
    error NoPendingValue();

    /**
     * @notice Error thrown when trying to accept a change before the timelock period has elapsed
     */
    error TimelockNotElapsed();

    /**
     * @notice Error thrown when attempting to set a timelock period above the maximum
     */
    error AboveMaxTimelock();

    /**
     * @notice Error thrown when attempting to set a timelock period below the minimum
     */
    error BelowMinTimelock();

    /**
     * @notice Error thrown when attempting to set a value that's already set
     */
    error AlreadySet();

    /**
     * @notice Error thrown when attempting to submit a change that's already pending
     */
    error AlreadyPending();

    /**
     * @notice Error thrown when attempting to exceed the maximum queue length
     */
    error MaxQueueLengthExceeded();

    /**
     * @notice Error thrown when a non-curator attempts to perform a curator-only action
     */
    error NotCuratorRole();

    /**
     * @notice Error thrown when a non-allocator attempts to perform an allocator-only action
     */
    error NotAllocatorRole();

    /**
     * @notice Error thrown when a non-guardian attempts to perform a guardian-only action
     */
    error NotGuardianRole();

    /**
     * @notice Error thrown when attempting to set the capacity to zero
     */
    error CapacityCannotSetToZero();

    /**
     * @notice Error thrown when attempting to set capacity below the currently used amount
     */
    error CapacityCannotLessThanUsed();

    /**
     * @notice Error thrown when an unauthorized order attempts to interact with the vault
     * @param orderAddress The address of the unauthorized order
     */
    error UnauthorizedOrder(address orderAddress);

    /**
     * @notice Error thrown when the supply queue length doesn't match the expected length
     */
    error SupplyQueueLengthMismatch();

    /**
     * @notice Error thrown when the withdraw queue length doesn't match the expected length
     */
    error WithdrawQueueLengthMismatch();

    /**
     * @notice Error thrown when attempting to add a duplicate order to a queue
     * @param orderAddress The address of the duplicate order
     */
    error DuplicateOrder(address orderAddress);

    /**
     * @notice Error thrown when an order has negative interest
     */
    error OrderHasNegativeInterest();
}

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

import {CurveCuts} from "../storage/TermMaxStorage.sol";

/**
 * @title Vault Events Interface
 * @notice Events emitted by the TermMax vault operations
 */
interface VaultEvents {
    /**
     * @notice Emitted when a new guardian is proposed
     * @param newGuardian The address of the proposed guardian
     * @param validAt The timestamp when the guardian change will take effect
     */
    event SubmitGuardian(address newGuardian, uint64 validAt);

    /**
     * @notice Emitted when the vault capacity is updated
     * @param caller The address that initiated the capacity update
     * @param newCapacity The new capacity value
     */
    event SetCapacity(address indexed caller, uint256 newCapacity);

    /**
     * @notice Emitted when a new curator is set
     * @param newCurator The address of the new curator
     */
    event SetCurator(address newCurator);

    /**
     * @notice Emitted when a market's whitelist status is proposed
     * @param market The address of the market
     * @param validAt The timestamp when the market whitelist change will take effect
     */
    event SubmitMarketToWhitelist(address indexed market, uint64 validAt);

    /**
     * @notice Emitted when a pending market whitelist change is revoked
     * @param caller The address that initiated the revocation
     * @param market The address of the market
     */
    event RevokePendingMarket(address indexed caller, address indexed market);

    /**
     * @notice Emitted when the performance fee rate is updated
     * @param caller The address that initiated the update
     * @param newPerformanceFeeRate The new performance fee rate
     */
    event SetPerformanceFeeRate(address indexed caller, uint256 newPerformanceFeeRate);

    /**
     * @notice Emitted when a new performance fee rate is proposed
     * @param newPerformanceFeeRate The proposed performance fee rate
     * @param validAt The timestamp when the performance fee rate change will take effect
     */
    event SubmitPerformanceFeeRate(uint256 newPerformanceFeeRate, uint64 validAt);

    /**
     * @notice Emitted when a market's whitelist status is updated
     * @param caller The address that initiated the update
     * @param market The address of the market
     * @param isWhitelisted The new whitelist status
     */
    event SetMarketWhitelist(address indexed caller, address indexed market, bool isWhitelisted);

    /**
     * @notice Emitted when a new order is created
     * @param caller The address that created the order
     * @param market The market address
     * @param order The order address
     * @param maxSupply The maximum supply for the order
     * @param initialReserve The initial reserve amount
     * @param curveCuts The curve parameters for the order
     */
    event CreateOrder(
        address indexed caller,
        address indexed market,
        address indexed order,
        uint256 maxSupply,
        uint256 initialReserve,
        CurveCuts curveCuts
    );

    /**
     * @notice Emitted when an order is updated
     * @param caller The address that updated the order
     * @param order The order address
     * @param changes The changes made to the order
     * @param maxSupply The new maximum supply for the order
     * @param curveCuts The updated curve parameters for the order
     */
    event UpdateOrder(
        address indexed caller, address indexed order, int256 changes, uint256 maxSupply, CurveCuts curveCuts
    );

    /**
     * @notice Emitted when bad debt is dealt with
     * @param caller The address that initiated the bad debt deal
     * @param recipient The address that received the bad debt
     * @param collateral The collateral address
     * @param badDebt The amount of bad debt
     * @param shares The number of shares
     * @param collateralOut The amount of collateral out
     */
    event DealBadDebt(
        address indexed caller,
        address indexed recipient,
        address indexed collateral,
        uint256 badDebt,
        uint256 shares,
        uint256 collateralOut
    );

    /**
     * @notice Emitted when an order is redeemed
     * @param caller The address that redeemed the order
     * @param order The order address
     * @param ftAmt The amount of ft tokens
     * @param redeemedAmt The amount redeemed
     */
    event RedeemOrder(address indexed caller, address indexed order, uint128 ftAmt, uint128 redeemedAmt);

    /**
     * @notice Emitted when performance fee is withdrawn
     * @param caller The address that withdrew the performance fee
     * @param recipient The address that received the performance fee
     * @param amount The amount of performance fee withdrawn
     */
    event WithdrawPerformanceFee(address indexed caller, address indexed recipient, uint256 amount);

    /**
     * @notice Emitted when a new timelock is proposed
     * @param newTimelock The proposed timelock value
     * @param validAt The timestamp when the timelock change will take effect
     */
    event SubmitTimelock(uint256 newTimelock, uint64 validAt);

    /**
     * @notice Emitted when the timelock is updated
     * @param caller The address that updated the timelock
     * @param newTimelock The new timelock value
     */
    event SetTimelock(address indexed caller, uint256 newTimelock);

    /**
     * @notice Emitted when the guardian is updated
     * @param caller The address that updated the guardian
     * @param newGuardian The new guardian address
     */
    event SetGuardian(address indexed caller, address newGuardian);

    /**
     * @notice Emitted when a pending timelock change is revoked
     * @param caller The address that initiated the revocation
     */
    event RevokePendingTimelock(address indexed caller);

    /**
     * @notice Emitted when a pending guardian change is revoked
     * @param caller The address that initiated the revocation
     */
    event RevokePendingGuardian(address indexed caller);

    /**
     * @notice Emitted when the performance fee rate is proposed to be revoked
     * @param caller The address that initiated the revocation
     */
    event RevokePendingPerformanceFeeRate(address indexed caller);

    /**
     * @notice Emitted when the cap for an order is updated
     * @param caller The address that updated the cap
     * @param order The order address
     * @param newCap The new cap value
     */
    event SetCap(address indexed caller, address indexed order, uint256 newCap);

    /**
     * @notice Emitted when an allocator's status is updated
     * @param allocator The allocator address
     * @param newIsAllocator The new allocator status
     */
    event SetIsAllocator(address indexed allocator, bool newIsAllocator);

    /**
     * @notice Emitted when the supply queue is updated
     * @param caller The address that updated the supply queue
     * @param newSupplyQueue The new supply queue
     */
    event UpdateSupplyQueue(address indexed caller, address[] newSupplyQueue);

    /**
     * @notice Emitted when the withdraw queue is updated
     * @param caller The address that updated the withdraw queue
     * @param newWithdrawQueue The new withdraw queue
     */
    event UpdateWithdrawQueue(address indexed caller, address[] newWithdrawQueue);
}

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

import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import {ITermMaxMarket} from "contracts/ITermMaxMarket.sol";
import {ITermMaxOrder} from "contracts/ITermMaxOrder.sol";
import {CurveCuts} from "contracts/storage/TermMaxStorage.sol";

/**
 * @title Order Manager Interface
 * @author Term Structure Labs
 */
interface IOrderManager {
    /**
     * @notice Creates a new order
     * @param asset The asset token address
     * @param market The market address
     * @param maxSupply The maximum xt supply of the order
     * @param initialReserve The initial reserve of the order
     * @param curveCuts The curve cuts for the order
     * @return order The order address
     */
    function createOrder(
        IERC20 asset,
        ITermMaxMarket market,
        uint256 maxSupply,
        uint256 initialReserve,
        CurveCuts memory curveCuts
    ) external returns (ITermMaxOrder order);

    /**
     * @notice Deals bad debt
     * @param recipient The recipient of the collateral token
     * @param collateral The collateral token address
     * @param amount The amount of bad debt to deal
     */
    function dealBadDebt(address recipient, address collateral, uint256 amount)
        external
        returns (uint256 collateralOut);

    /**
     * @notice Updates multiple orders
     * @param asset The asset token address
     * @param orders The orders to update
     * @param changes The changes to apply to each order
     * @param maxSupplies The maximum xt supplies to update for each order
     * @param curveCuts The curve cuts to update for each order
     */
    function updateOrders(
        IERC20 asset,
        ITermMaxOrder[] memory orders,
        int256[] memory changes,
        uint256[] memory maxSupplies,
        CurveCuts[] memory curveCuts
    ) external;

    /**
     * @notice Withdraws performance fee
     * @param asset The asset token address
     * @param recipient The recipient of the performance fee
     * @param amount The amount of performance fee to withdraw
     */
    function withdrawPerformanceFee(IERC20 asset, address recipient, uint256 amount) external;

    /**
     * @notice Deposits assets
     * @param asset The asset token address
     * @param amount The amount of assets to deposit
     */
    function depositAssets(IERC20 asset, uint256 amount) external;

    /**
     * @notice Withdraws assets
     * @param asset The asset token address
     * @param recipient The recipient of the assets
     * @param amount The amount of assets to withdraw
     */
    function withdrawAssets(IERC20 asset, address recipient, uint256 amount) external;

    /**
     * @notice Accrues interest
     */
    function accruedInterest() external;

    /**
     * @notice Redeems an order
     * @param order The order to redeem
     */
    function redeemOrder(ITermMaxOrder order) external;

    /**
     * @notice Swaps callback to calculate interest
     * @param ftReserve The reserve of the FT token
     * @param xtReserve The reserve of the XT token
     * @param deltaFt The deltaFt of the swap
     */
    function afterSwap(uint256 ftReserve, uint256 xtReserve, int256 deltaFt) external;
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.27;

import {ITermMaxMarket} from "contracts/ITermMaxMarket.sol";
import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import {PendingAddress, PendingUint192} from "contracts/lib/PendingLib.sol";

struct OrderInfo {
    ITermMaxMarket market;
    IERC20 ft;
    IERC20 xt;
    uint128 maxSupply;
    uint64 maturity;
}

contract VaultStorage {
    // State variables
    address internal _guardian;
    address internal _curator;

    mapping(address => bool) internal _isAllocator;
    mapping(address => bool) internal _marketWhitelist;
    mapping(address => PendingUint192) internal _pendingMarkets;

    PendingUint192 internal _pendingTimelock;
    PendingUint192 internal _pendingPerformanceFeeRate;
    PendingAddress internal _pendingGuardian;

    uint256 internal _timelock;
    uint256 internal _maxCapacity;

    /// @dev The total ft in the vault
    uint256 internal _totalFt;
    /// @notice The locked ft = accretingPrincipal + performanceFee;
    uint256 internal _accretingPrincipal;
    /// @notice The performance fee is paid to the curators
    uint256 internal _performanceFee;
    /// @notice Annualize the interest income
    uint256 internal _annualizedInterest;

    uint64 internal _performanceFeeRate;

    address[] internal _supplyQueue;
    address[] internal _withdrawQueue;

    /// @dev A mapping from collateral address to bad debt
    mapping(address => uint256) internal _badDebtMapping;
    mapping(address => OrderInfo) internal _orderMapping;

    /// @dev The last time the interest was accurately calculated
    uint64 internal _lastUpdateTime;
    /// @dev A one-way linked list presented using a mapping structure, recorded in order according to matiruty
    /// @dev The key is the maturity, and the value is the next maturity
    /// Etc. day 0 => day 1 => day 2 => day 3 => ...
    mapping(uint64 => uint64) internal _maturityMapping;
    /// @dev A mapping from maturity to its annualized interest
    mapping(uint64 => uint256) internal _maturityToInterest;
}

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

/**
 * @title The general constants of TermMax
 * @author Term Structure Labs
 */
library Constants {
    /// @notice The base decimals of ratio
    uint256 constant DECIMAL_BASE = 1e8;
    /// @notice The square of the base decimals
    uint256 constant DECIMAL_BASE_SQ = 1e16;
    /// @notice The days of one year
    uint256 constant DAYS_IN_YEAR = 365;
    /// @notice The seconds of one day
    uint256 constant SECONDS_IN_DAY = 1 days;
    /// @notice The window time left for the liquidation bot after the market expires
    uint256 constant LIQUIDATION_WINDOW = 2 hours;
    /// @notice The limit of fee ratio
    uint32 constant MAX_FEE_RATIO = 0.2e8;
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.27;

import {IERC4626} from "@openzeppelin/contracts/interfaces/IERC4626.sol";
import {IERC20} from "@openzeppelin/contracts/interfaces/IERC20.sol";
import {ITermMaxMarket} from "contracts/ITermMaxMarket.sol";
import {CurveCuts, VaultInitialParams} from "contracts/storage/TermMaxStorage.sol";
import {ITermMaxOrder} from "contracts/ITermMaxOrder.sol";
import {PendingAddress, PendingUint192} from "contracts/lib/PendingLib.sol";
import {OrderInfo} from "./VaultStorage.sol";

/**
 * @title TermMax Vault Interface
 * @author Term Structure Labs
 * @notice Interface for TermMax vaults that extends the ERC4626 standard
 * @dev Implements ERC4626 tokenized vault standard with additional TermMax-specific functionality
 */
interface ITermMaxVault is IERC4626 {
    /**
     * @notice Initializes the vault
     * @param params The initial parameters of the vault
     */
    function initialize(VaultInitialParams memory params) external;

    /**
     * @notice Handles bad debt by exchanging shares for collateral
     * @param collaretal The collateral token address
     * @param badDebtAmt The amount of bad debt to handle
     * @param recipient The recipient of the collateral
     * @param owner The owner of the shares
     * @return shares The amount of shares burned
     * @return collaretalOut The amount of collateral released
     */
    function dealBadDebt(address collaretal, uint256 badDebtAmt, address recipient, address owner)
        external
        returns (uint256 shares, uint256 collaretalOut);

    /**
     * @notice Returns the current Annual Percentage Rate (APR)
     * @return The current APR as a percentage with 18 decimals
     */
    function apr() external view returns (uint256);

    /**
     * @notice Returns the guardian address
     * @return The address of the guardian
     */
    function guardian() external view returns (address);

    /**
     * @notice Returns the curator address
     * @return The address of the curator
     */
    function curator() external view returns (address);

    /**
     * @notice Checks if an address is an allocator
     * @param allocator The address to check
     * @return True if the address is an allocator, false otherwise
     */
    function isAllocator(address allocator) external view returns (bool);

    /**
     * @notice Checks if a market is whitelisted
     * @param market The market address to check
     * @return True if the market is whitelisted, false otherwise
     */
    function marketWhitelist(address market) external view returns (bool);

    /**
     * @notice Returns the timelock duration
     * @return The timelock duration in seconds
     */
    function timelock() external view returns (uint256);

    /**
     * @notice Returns the pending market information
     * @param market The market address to check
     */
    function pendingMarkets(address market) external view returns (PendingUint192 memory);

    /**
     * @notice Returns the pending timelock information
     */
    function pendingTimelock() external view returns (PendingUint192 memory);

    /**
     * @notice Returns the pending performance fee rate information
     */
    function pendingPerformanceFeeRate() external view returns (PendingUint192 memory);

    /**
     * @notice Returns the pending guardian information
     */
    function pendingGuardian() external view returns (PendingAddress memory);

    /**
     * @notice Returns the performance fee rate
     * @return The performance fee rate as a percentage with 18 decimals
     */
    function performanceFeeRate() external view returns (uint64);

    /**
     * @notice Returns the total amount of ft tokens
     * @return The total amount of ft tokens
     */
    function totalFt() external view returns (uint256);

    /**
     * @notice Returns the accreting principal amount
     * @return The accreting principal amount
     */
    function accretingPrincipal() external view returns (uint256);

    /**
     * @notice Returns the annualized interest
     * @return The annualized interest
     */
    function annualizedInterest() external view returns (uint256);

    /**
     * @notice Returns the performance fee amount
     * @return The performance fee amount
     */
    function performanceFee() external view returns (uint256);

    /**
     * @notice Returns the supply queue information
     * @param index The index of the supply queue to retrieve
     * @return The address of the supply queue at the specified index
     */
    function supplyQueue(uint256 index) external view returns (address);

    /**
     * @notice Returns the withdraw queue information
     * @param index The index of the withdraw queue to retrieve
     * @return The address of the withdraw queue at the specified index
     */
    function withdrawQueue(uint256 index) external view returns (address);

    /// @notice Return the length of the supply queue
    function supplyQueueLength() external view returns (uint256);

    /// @notice Return the length of the withdraw queue
    function withdrawQueueLength() external view returns (uint256);

    /**
     * @notice Returns the order mapping information
     * @param order The order address to retrieve
     */
    function orderMapping(address order) external view returns (OrderInfo memory);

    /**
     * @notice Returns the bad debt mapping information
     * @param order The order address to retrieve
     * @return The bad debt amount associated with the order
     */
    function badDebtMapping(address order) external view returns (uint256);

    /**
     * @notice Creates a new order
     * @param market The market address to create the order for
     * @param maxSupply The maximum supply of the order
     * @param initialReserve The initial reserve amount of the order
     * @param curveCuts The curve cuts to use for the order
     * @return order The newly created order
     */
    function createOrder(ITermMaxMarket market, uint256 maxSupply, uint256 initialReserve, CurveCuts calldata curveCuts)
        external
        returns (ITermMaxOrder order);

    /**
     * @notice Updates multiple orders
     * @param orders The orders to update
     * @param changes The changes to apply to each order
     * @param maxSupplies The maximum supplies to update for each order
     * @param curveCuts The curve cuts to update for each order
     */
    function updateOrders(
        ITermMaxOrder[] calldata orders,
        int256[] calldata changes,
        uint256[] calldata maxSupplies,
        CurveCuts[] calldata curveCuts
    ) external;

    /**
     * @notice Updates the supply queue
     * @param indexes The indexes to update in the supply queue
     */
    function updateSupplyQueue(uint256[] calldata indexes) external;

    /**
     * @notice Updates the withdraw queue
     * @param indexes The indexes to update in the withdraw queue
     */
    function updateWithdrawQueue(uint256[] calldata indexes) external;

    /**
     * @notice Redeems an order
     * @param order The order to redeem
     */
    function redeemOrder(ITermMaxOrder order) external;

    /**
     * @notice Withdraws performance fee
     * @param recipient The recipient of the performance fee
     * @param amount The amount of performance fee to withdraw
     */
    function withdrawPerformanceFee(address recipient, uint256 amount) external;

    /**
     * @notice Submits a new guardian address
     * @param newGuardian The new guardian address
     */
    function submitGuardian(address newGuardian) external;

    /**
     * @notice Sets a new curator address
     * @param newCurator The new curator address
     */
    function setCurator(address newCurator) external;

    /**
     * @notice Submits a new timelock duration
     * @param newTimelock The new timelock duration
     */
    function submitTimelock(uint256 newTimelock) external;

    /**
     * @notice Sets a new capacity
     * @param newCapacity The new capacity
     */
    function setCapacity(uint256 newCapacity) external;

    /**
     * @notice Sets whether an address is an allocator
     * @param newAllocator The address to set as an allocator
     * @param newIsAllocator Whether the address is an allocator
     */
    function setIsAllocator(address newAllocator, bool newIsAllocator) external;

    /**
     * @notice Submits a new performance fee rate
     * @param newPerformanceFeeRate The new performance fee rate
     */
    function submitPerformanceFeeRate(uint184 newPerformanceFeeRate) external;

    /**
     * @notice Submits a new market for whitelisting
     * @param market The market address to whitelist
     * @param isWhitelisted Whether the market is whitelisted
     */
    function submitMarket(address market, bool isWhitelisted) external;

    /**
     * @notice Revokes the pending timelock
     */
    function revokePendingTimelock() external;

    /**
     * @notice Revokes the pending guardian
     */
    function revokePendingGuardian() external;

    /**
     * @notice Revokes the pending market
     * @param market The market address to revoke
     */
    function revokePendingMarket(address market) external;

    /**
     * @notice Revokes the pending performance fee rate
     */
    function revokePendingPerformanceFeeRate() external;

    /**
     * @notice Accepts the pending timelock
     */
    function acceptTimelock() external;

    /**
     * @notice Accepts the pending guardian
     */
    function acceptGuardian() external;

    /**
     * @notice Accepts the pending market
     * @param market The market address to accept
     */
    function acceptMarket(address market) external;

    /**
     * @notice Accepts the pending performance fee rate
     */
    function acceptPerformanceFeeRate() external;
}

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

pragma solidity ^0.8.20;
import {Initializable} from "../proxy/utils/Initializable.sol";

/**
 * @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 ContextUpgradeable is Initializable {
    function __Context_init() internal onlyInitializing {
    }

    function __Context_init_unchained() internal onlyInitializing {
    }
    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) (proxy/utils/Initializable.sol)

pragma solidity ^0.8.20;

/**
 * @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed
 * behind a proxy. Since proxied contracts do not make use of a constructor, it's common to move constructor logic to an
 * external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer
 * function so it can only be called once. The {initializer} modifier provided by this contract will have this effect.
 *
 * The initialization functions use a version number. Once a version number is used, it is consumed and cannot be
 * reused. This mechanism prevents re-execution of each "step" but allows the creation of new initialization steps in
 * case an upgrade adds a module that needs to be initialized.
 *
 * For example:
 *
 * [.hljs-theme-light.nopadding]
 * ```solidity
 * contract MyToken is ERC20Upgradeable {
 *     function initialize() initializer public {
 *         __ERC20_init("MyToken", "MTK");
 *     }
 * }
 *
 * contract MyTokenV2 is MyToken, ERC20PermitUpgradeable {
 *     function initializeV2() reinitializer(2) public {
 *         __ERC20Permit_init("MyToken");
 *     }
 * }
 * ```
 *
 * TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as
 * possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}.
 *
 * CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure
 * that all initializers are idempotent. This is not verified automatically as constructors are by Solidity.
 *
 * [CAUTION]
 * ====
 * Avoid leaving a contract uninitialized.
 *
 * An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation
 * contract, which may impact the proxy. To prevent the implementation contract from being used, you should invoke
 * the {_disableInitializers} function in the constructor to automatically lock it when it is deployed:
 *
 * [.hljs-theme-light.nopadding]
 * ```
 * /// @custom:oz-upgrades-unsafe-allow constructor
 * constructor() {
 *     _disableInitializers();
 * }
 * ```
 * ====
 */
abstract contract Initializable {
    /**
     * @dev Storage of the initializable contract.
     *
     * It's implemented on a custom ERC-7201 namespace to reduce the risk of storage collisions
     * when using with upgradeable contracts.
     *
     * @custom:storage-location erc7201:openzeppelin.storage.Initializable
     */
    struct InitializableStorage {
        /**
         * @dev Indicates that the contract has been initialized.
         */
        uint64 _initialized;
        /**
         * @dev Indicates that the contract is in the process of being initialized.
         */
        bool _initializing;
    }

    // keccak256(abi.encode(uint256(keccak256("openzeppelin.storage.Initializable")) - 1)) & ~bytes32(uint256(0xff))
    bytes32 private constant INITIALIZABLE_STORAGE = 0xf0c57e16840df040f15088dc2f81fe391c3923bec73e23a9662efc9c229c6a00;

    /**
     * @dev The contract is already initialized.
     */
    error InvalidInitialization();

    /**
     * @dev The contract is not initializing.
     */
    error NotInitializing();

    /**
     * @dev Triggered when the contract has been initialized or reinitialized.
     */
    event Initialized(uint64 version);

    /**
     * @dev A modifier that defines a protected initializer function that can be invoked at most once. In its scope,
     * `onlyInitializing` functions can be used to initialize parent contracts.
     *
     * Similar to `reinitializer(1)`, except that in the context of a constructor an `initializer` may be invoked any
     * number of times. This behavior in the constructor can be useful during testing and is not expected to be used in
     * production.
     *
     * Emits an {Initialized} event.
     */
    modifier initializer() {
        // solhint-disable-next-line var-name-mixedcase
        InitializableStorage storage $ = _getInitializableStorage();

        // Cache values to avoid duplicated sloads
        bool isTopLevelCall = !$._initializing;
        uint64 initialized = $._initialized;

        // Allowed calls:
        // - initialSetup: the contract is not in the initializing state and no previous version was
        //                 initialized
        // - construction: the contract is initialized at version 1 (no reininitialization) and the
        //                 current contract is just being deployed
        bool initialSetup = initialized == 0 && isTopLevelCall;
        bool construction = initialized == 1 && address(this).code.length == 0;

        if (!initialSetup && !construction) {
            revert InvalidInitialization();
        }
        $._initialized = 1;
        if (isTopLevelCall) {
            $._initializing = true;
        }
        _;
        if (isTopLevelCall) {
            $._initializing = false;
            emit Initialized(1);
        }
    }

    /**
     * @dev A modifier that defines a protected reinitializer function that can be invoked at most once, and only if the
     * contract hasn't been initialized to a greater version before. In its scope, `onlyInitializing` functions can be
     * used to initialize parent contracts.
     *
     * A reinitializer may be used after the original initialization step. This is essential to configure modules that
     * are added through upgrades and that require initialization.
     *
     * When `version` is 1, this modifier is similar to `initializer`, except that functions marked with `reinitializer`
     * cannot be nested. If one is invoked in the context of another, execution will revert.
     *
     * Note that versions can jump in increments greater than 1; this implies that if multiple reinitializers coexist in
     * a contract, executing them in the right order is up to the developer or operator.
     *
     * WARNING: Setting the version to 2**64 - 1 will prevent any future reinitialization.
     *
     * Emits an {Initialized} event.
     */
    modifier reinitializer(uint64 version) {
        // solhint-disable-next-line var-name-mixedcase
        InitializableStorage storage $ = _getInitializableStorage();

        if ($._initializing || $._initialized >= version) {
            revert InvalidInitialization();
        }
        $._initialized = version;
        $._initializing = true;
        _;
        $._initializing = false;
        emit Initialized(version);
    }

    /**
     * @dev Modifier to protect an initialization function so that it can only be invoked by functions with the
     * {initializer} and {reinitializer} modifiers, directly or indirectly.
     */
    modifier onlyInitializing() {
        _checkInitializing();
        _;
    }

    /**
     * @dev Reverts if the contract is not in an initializing state. See {onlyInitializing}.
     */
    function _checkInitializing() internal view virtual {
        if (!_isInitializing()) {
            revert NotInitializing();
        }
    }

    /**
     * @dev Locks the contract, preventing any future reinitialization. This cannot be part of an initializer call.
     * Calling this in the constructor of a contract will prevent that contract from being initialized or reinitialized
     * to any version. It is recommended to use this to lock implementation contracts that are designed to be called
     * through proxies.
     *
     * Emits an {Initialized} event the first time it is successfully executed.
     */
    function _disableInitializers() internal virtual {
        // solhint-disable-next-line var-name-mixedcase
        InitializableStorage storage $ = _getInitializableStorage();

        if ($._initializing) {
            revert InvalidInitialization();
        }
        if ($._initialized != type(uint64).max) {
            $._initialized = type(uint64).max;
            emit Initialized(type(uint64).max);
        }
    }

    /**
     * @dev Returns the highest version that has been initialized. See {reinitializer}.
     */
    function _getInitializedVersion() internal view returns (uint64) {
        return _getInitializableStorage()._initialized;
    }

    /**
     * @dev Returns `true` if the contract is currently initializing. See {onlyInitializing}.
     */
    function _isInitializing() internal view returns (bool) {
        return _getInitializableStorage()._initializing;
    }

    /**
     * @dev Returns a pointer to the storage namespace.
     */
    // solhint-disable-next-line var-name-mixedcase
    function _getInitializableStorage() private pure returns (InitializableStorage storage $) {
        assembly {
            $.slot := INITIALIZABLE_STORAGE
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/extensions/IERC20Metadata.sol)

pragma solidity ^0.8.20;

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

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

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

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

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

pragma solidity ^0.8.20;

import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import {IERC20Metadata} from "@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol";
import {ContextUpgradeable} from "../../utils/ContextUpgradeable.sol";
import {IERC20Errors} from "@openzeppelin/contracts/interfaces/draft-IERC6093.sol";
import {Initializable} from "../../proxy/utils/Initializable.sol";

/**
 * @dev Implementation of the {IERC20} interface.
 *
 * This implementation is agnostic to the way tokens are created. This means
 * that a supply mechanism has to be added in a derived contract using {_mint}.
 *
 * TIP: For a detailed writeup see our guide
 * https://forum.openzeppelin.com/t/how-to-implement-erc20-supply-mechanisms/226[How
 * to implement supply mechanisms].
 *
 * The default value of {decimals} is 18. To change this, you should override
 * this function so it returns a different value.
 *
 * We have followed general OpenZeppelin Contracts guidelines: functions revert
 * instead returning `false` on failure. This behavior is nonetheless
 * conventional and does not conflict with the expectations of ERC20
 * applications.
 *
 * Additionally, an {Approval} event is emitted on calls to {transferFrom}.
 * This allows applications to reconstruct the allowance for all accounts just
 * by listening to said events. Other implementations of the EIP may not emit
 * these events, as it isn't required by the specification.
 */
abstract contract ERC20Upgradeable is Initializable, ContextUpgradeable, IERC20, IERC20Metadata, IERC20Errors {
    /// @custom:storage-location erc7201:openzeppelin.storage.ERC20
    struct ERC20Storage {
        mapping(address account => uint256) _balances;

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

        uint256 _totalSupply;

        string _name;
        string _symbol;
    }

    // keccak256(abi.encode(uint256(keccak256("openzeppelin.storage.ERC20")) - 1)) & ~bytes32(uint256(0xff))
    bytes32 private constant ERC20StorageLocation = 0x52c63247e1f47db19d5ce0460030c497f067ca4cebf71ba98eeadabe20bace00;

    function _getERC20Storage() private pure returns (ERC20Storage storage $) {
        assembly {
            $.slot := ERC20StorageLocation
        }
    }

    /**
     * @dev Sets the values for {name} and {symbol}.
     *
     * All two of these values are immutable: they can only be set once during
     * construction.
     */
    function __ERC20_init(string memory name_, string memory symbol_) internal onlyInitializing {
        __ERC20_init_unchained(name_, symbol_);
    }

    function __ERC20_init_unchained(string memory name_, string memory symbol_) internal onlyInitializing {
        ERC20Storage storage $ = _getERC20Storage();
        $._name = name_;
        $._symbol = symbol_;
    }

    /**
     * @dev Returns the name of the token.
     */
    function name() public view virtual returns (string memory) {
        ERC20Storage storage $ = _getERC20Storage();
        return $._name;
    }

    /**
     * @dev Returns the symbol of the token, usually a shorter version of the
     * name.
     */
    function symbol() public view virtual returns (string memory) {
        ERC20Storage storage $ = _getERC20Storage();
        return $._symbol;
    }

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

    /**
     * @dev See {IERC20-totalSupply}.
     */
    function totalSupply() public view virtual returns (uint256) {
        ERC20Storage storage $ = _getERC20Storage();
        return $._totalSupply;
    }

    /**
     * @dev See {IERC20-balanceOf}.
     */
    function balanceOf(address account) public view virtual returns (uint256) {
        ERC20Storage storage $ = _getERC20Storage();
        return $._balances[account];
    }

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

    /**
     * @dev See {IERC20-allowance}.
     */
    function allowance(address owner, address spender) public view virtual returns (uint256) {
        ERC20Storage storage $ = _getERC20Storage();
        return $._allowances[owner][spender];
    }

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

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

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

    /**
     * @dev Transfers a `value` amount of tokens from `from` to `to`, or alternatively mints (or burns) if `from`
     * (or `to`) is the zero address. All customizations to transfers, mints, and burns should be done by overriding
     * this function.
     *
     * Emits a {Transfer} event.
     */
    function _update(address from, address to, uint256 value) internal virtual {
        ERC20Storage storage $ = _getERC20Storage();
        if (from == address(0)) {
            // Overflow check required: The rest of the code assumes that totalSupply never overflows
            $._totalSupply += value;
        } else {
            uint256 fromBalance = $._balances[from];
            if (fromBalance < value) {
                revert ERC20InsufficientBalance(from, fromBalance, value);
            }
            unchecked {
                // Overflow not possible: value <= fromBalance <= totalSupply.
                $._balances[from] = fromBalance - value;
            }
        }

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

        emit Transfer(from, to, value);
    }

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

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

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

    /**
     * @dev Variant of {_approve} with an optional flag to enable or disable the {Approval} event.
     *
     * By default (when calling {_approve}) the flag is set to true. On the other hand, approval changes made by
     * `_spendAllowance` during the `transferFrom` operation set the flag to false. This saves gas by not emitting any
     * `Approval` event during `transferFrom` operations.
     *
     * Anyone who wishes to continue emitting `Approval` events on the`transferFrom` operation can force the flag to
     * true using the following override:
     * ```
     * function _approve(address owner, address spender, uint256 value, bool) internal virtual override {
     *     super._approve(owner, spender, value, true);
     * }
     * ```
     *
     * Requirements are the same as {_approve}.
     */
    function _approve(address owner, address spender, uint256 value, bool emitEvent) internal virtual {
        ERC20Storage storage $ = _getERC20Storage();
        if (owner == address(0)) {
            revert ERC20InvalidApprover(address(0));
        }
        if (spender == address(0)) {
            revert ERC20InvalidSpender(address(0));
        }
        $._allowances[owner][spender] = value;
        if (emitEvent) {
            emit Approval(owner, spender, value);
        }
    }

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

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

pragma solidity ^0.8.20;

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

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

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

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

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

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

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

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

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC4626.sol)

pragma solidity ^0.8.20;

import {IERC20} from "../token/ERC20/IERC20.sol";
import {IERC20Metadata} from "../token/ERC20/extensions/IERC20Metadata.sol";

/**
 * @dev Interface of the ERC-4626 "Tokenized Vault Standard", as defined in
 * https://eips.ethereum.org/EIPS/eip-4626[ERC-4626].
 */
interface IERC4626 is IERC20, IERC20Metadata {
    event Deposit(address indexed sender, address indexed owner, uint256 assets, uint256 shares);

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

pragma solidity ^0.8.20;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        uint256 mLen = m.length;

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

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

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

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

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

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

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

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

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

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

    /**
     * @dev Return the log in base 2 of a positive value rounded towards zero.
     * Returns 0 if given 0.
     */
    function log2(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        uint256 exp;
        unchecked {
            exp = 128 * SafeCast.toUint(value > (1 << 128) - 1);
            value >>= exp;
            result += exp;

            exp = 64 * SafeCast.toUint(value > (1 << 64) - 1);
            value >>= exp;
            result += exp;

            exp = 32 * SafeCast.toUint(value > (1 << 32) - 1);
            value >>= exp;
            result += exp;

            exp = 16 * SafeCast.toUint(value > (1 << 16) - 1);
            value >>= exp;
            result += exp;

            exp = 8 * SafeCast.toUint(value > (1 << 8) - 1);
            value >>= exp;
            result += exp;

            exp = 4 * SafeCast.toUint(value > (1 << 4) - 1);
            value >>= exp;
            result += exp;

            exp = 2 * SafeCast.toUint(value > (1 << 2) - 1);
            value >>= exp;
            result += exp;

            result += SafeCast.toUint(value > 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 + SafeCast.toUint(unsignedRoundsUp(rounding) && 1 << result < value);
        }
    }

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

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

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

            isGt = SafeCast.toUint(value > (1 << 64) - 1);
            value >>= isGt * 64;
            result += isGt * 8;

            isGt = SafeCast.toUint(value > (1 << 32) - 1);
            value >>= isGt * 32;
            result += isGt * 4;

            isGt = SafeCast.toUint(value > (1 << 16) - 1);
            value >>= isGt * 16;
            result += isGt * 2;

            result += SafeCast.toUint(value > (1 << 8) - 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 + SafeCast.toUint(unsignedRoundsUp(rounding) && 1 << (result << 3) < value);
        }
    }

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

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

pragma solidity ^0.8.20;

import {ContextUpgradeable} from "../utils/ContextUpgradeable.sol";
import {Initializable} from "../proxy/utils/Initializable.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 OwnableUpgradeable is Initializable, ContextUpgradeable {
    /// @custom:storage-location erc7201:openzeppelin.storage.Ownable
    struct OwnableStorage {
        address _owner;
    }

    // keccak256(abi.encode(uint256(keccak256("openzeppelin.storage.Ownable")) - 1)) & ~bytes32(uint256(0xff))
    bytes32 private constant OwnableStorageLocation = 0x9016d09d72d40fdae2fd8ceac6b6234c7706214fd39c1cd1e609a0528c199300;

    function _getOwnableStorage() private pure returns (OwnableStorage storage $) {
        assembly {
            $.slot := OwnableStorageLocation
        }
    }

    /**
     * @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.
     */
    function __Ownable_init(address initialOwner) internal onlyInitializing {
        __Ownable_init_unchained(initialOwner);
    }

    function __Ownable_init_unchained(address initialOwner) internal onlyInitializing {
        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) {
        OwnableStorage storage $ = _getOwnableStorage();
        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 {
        OwnableStorage storage $ = _getOwnableStorage();
        address oldOwner = $._owner;
        $._owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.27;

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

/**
 * @title TermMax ERC20 token interface
 * @author Term Structure Labs
 */
interface IMintableERC20 is IERC20 {
    /// @notice Error when using offline signature but spender is not the maerket
    error SpenderIsNotMarket(address spender);

    // @notice Initial function
    /// @param name The token's name
    /// @param symbol The token's symbol
    /// @param _decimals The token's decimals
    function initialize(string memory name, string memory symbol, uint8 _decimals) external;

    /// @notice Mint this token to an address
    /// @param to The address receiving token
    /// @param amount The amount of token minted
    /// @dev Only the market can mint TermMax tokens
    function mint(address to, uint256 amount) external;

    /// @notice Return the market's address
    function marketAddr() external view returns (address);

    /// @notice Burn tokens from sender
    /// @param amount The number of tokens to be burned
    /// @dev Only the market can burn TermMax tokens
    function burn(uint256 amount) external;

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

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.27;

import {IERC20Metadata, IERC20} from "@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol";
import {IERC721Enumerable} from "@openzeppelin/contracts/token/ERC721/extensions/IERC721Enumerable.sol";
import {GtConfig} from "../storage/TermMaxStorage.sol";

/**
 * @title TermMax Gearing token interface
 * @author Term Structure Labs
 */
interface IGearingToken is IERC721Enumerable {
    // @notice Initial function
    /// @param name The token's name
    /// @param symbol The token's symbol
    /// @param config Configuration of GT
    /// @param initalParams The initilization parameters of implementation
    function initialize(string memory name, string memory symbol, GtConfig memory config, bytes memory initalParams)
        external;

    /// @notice Set the treasurer address
    /// @param treasurer New address of treasurer
    /// @dev Only the market can call this function
    function setTreasurer(address treasurer) external;

    /// @notice Set the configuration of Gearing Token
    function updateConfig(bytes memory configData) external;

    /// @notice Return the configuration of Gearing Token
    function getGtConfig() external view returns (GtConfig memory);

    /// @notice Return the flag to indicate debt is liquidatable or not
    function liquidatable() external view returns (bool);

    /// @notice Return the market address
    function marketAddr() external view returns (address);

    /// @notice Mint this token to an address
    /// @param  collateralProvider Who provide collateral token
    /// @param  to The address receiving token
    /// @param  debtAmt The amount of debt, unit by debtToken token
    /// @param  collateralData The encoded data of collateral
    /// @return id The id of Gearing Token
    /// @dev Only the market can mint Gearing Token
    function mint(address collateralProvider, address to, uint128 debtAmt, bytes memory collateralData)
        external
        returns (uint256 id);

    /// @notice Augment the debt of Gearing Token
    /// @param  id The id of Gearing Token
    /// @param  ftAmt The amount of debt, unit by debtToken token
    function augmentDebt(address caller, uint256 id, uint256 ftAmt) external;

    /// @notice Return the loan information of Gearing Token
    /// @param  id The id of Gearing Token
    /// @return owner The owner of Gearing Token
    /// @return debtAmt The amount of debt, unit by debtToken token
    /// @return collateralData The encoded data of collateral
    function loanInfo(uint256 id) external view returns (address owner, uint128 debtAmt, bytes memory collateralData);

    /// @notice Merge multiple Gearing Tokens into one
    /// @param  ids The array of Gearing Tokens to be merged
    /// @return newId The id of new Gearing Token
    function merge(uint256[] memory ids) external returns (uint256 newId);

    /// @notice Repay the debt of Gearing Token.
    ///         If repay amount equals the debt amount, Gearing Token's owner will get his collateral.
    /// @param id The id of Gearing Token
    /// @param repayAmt The amount of debt you want to repay
    /// @param byDebtToken Repay using debtToken token or bonds token
    function repay(uint256 id, uint128 repayAmt, bool byDebtToken) external;

    /// @notice Repay the debt of Gearing Token,
    ///         the collateral will send by flashloan first.
    /// @param id The id of Gearing Token
    /// @param byDebtToken Repay using debtToken token or bonds token
    function flashRepay(uint256 id, bool byDebtToken, bytes calldata callbackData) external;

    /// @notice Remove collateral from the loan.
    ///         Require the loan to value bigger than maxLtv after this action.
    /// @param id The id of Gearing Token
    /// @param collateralData Collateral data to be removed
    function removeCollateral(uint256 id, bytes memory collateralData) external;

    /// @notice Add collateral to the loan
    /// @param id The id of Gearing Token
    /// @param collateralData Collateral data to be added
    function addCollateral(uint256 id, bytes memory collateralData) external;

    /// @notice Return the liquidation info of the loan
    /// @param  id The id of the G-token
    /// @return isLiquidable Whether the loan is liquidable
    /// @return ltv The loan to collateral
    /// @return maxRepayAmt The maximum amount of the debt to be repaid
    function getLiquidationInfo(uint256 id)
        external
        view
        returns (bool isLiquidable, uint128 ltv, uint128 maxRepayAmt);

    /// @notice Liquidate the loan when its ltv bigger than liquidationLtv or expired.
    ///         The ltv can not inscrease after liquidation.
    ///         A maximum of 10% of the repayment amount of collateral is given as a
    ///         reward to the protocol and liquidator,
    ///         The proportion of collateral liquidated will not exceed the debt liquidation ratio.
    /// @param  id The id of the G-token
    /// @param  repayAmt The amount of the debt to be liquidate
    /// @param  byDebtToken Repay using debtToken token or bonds token
    function liquidate(uint256 id, uint128 repayAmt, bool byDebtToken) external;

    /// @notice Preview the delivery data
    /// @param  proportion The proportion of collateral that should be obtained
    /// @return deliveryData The delivery data
    function previewDelivery(uint256 proportion) external view returns (bytes memory deliveryData);

    /// @notice Deilivery outstanding debts after maturity
    /// @param  proportion The proportion of collateral that should be obtained
    /// @param  to The address receiving collateral token
    /// @dev    Only the market can delivery collateral
    function delivery(uint256 proportion, address to) external returns (bytes memory deliveryData);

    /// @notice Return the value of collateral in USD with base decimals
    /// @param collateralData encoded collateral data
    /// @return collateralValue collateral's value in USD
    function getCollateralValue(bytes memory collateralData) external view returns (uint256 collateralValue);
}

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

pragma solidity ^0.8.20;

import {Create2} from "../utils/Create2.sol";
import {Errors} from "../utils/Errors.sol";

/**
 * @dev https://eips.ethereum.org/EIPS/eip-1167[ERC-1167] is a standard for
 * deploying minimal proxy contracts, also known as "clones".
 *
 * > To simply and cheaply clone contract functionality in an immutable way, this standard specifies
 * > a minimal bytecode implementation that delegates all calls to a known, fixed address.
 *
 * The library includes functions to deploy a proxy using either `create` (traditional deployment) or `create2`
 * (salted deterministic deployment). It also includes functions to predict the addresses of clones deployed using the
 * deterministic method.
 */
library Clones {
    error CloneArgumentsTooLong();

    /**
     * @dev Deploys and returns the address of a clone that mimics the behaviour of `implementation`.
     *
     * This function uses the create opcode, which should never revert.
     */
    function clone(address implementation) internal returns (address instance) {
        return clone(implementation, 0);
    }

    /**
     * @dev Same as {xref-Clones-clone-address-}[clone], but with a `value` parameter to send native currency
     * to the new contract.
     *
     * NOTE: Using a non-zero value at creation will require the contract using this function (e.g. a factory)
     * to always have enough balance for new deployments. Consider exposing this function under a payable method.
     */
    function clone(address implementation, uint256 value) internal returns (address instance) {
        if (address(this).balance < value) {
            revert Errors.InsufficientBalance(address(this).balance, value);
        }
        assembly ("memory-safe") {
            // Cleans the upper 96 bits of the `implementation` word, then packs the first 3 bytes
            // of the `implementation` address with the bytecode before the address.
            mstore(0x00, or(shr(0xe8, shl(0x60, implementation)), 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000))
            // Packs the remaining 17 bytes of `implementation` with the bytecode after the address.
            mstore(0x20, or(shl(0x78, implementation), 0x5af43d82803e903d91602b57fd5bf3))
            instance := create(value, 0x09, 0x37)
        }
        if (instance == address(0)) {
            revert Errors.FailedDeployment();
        }
    }

    /**
     * @dev Deploys and returns the address of a clone that mimics the behaviour of `implementation`.
     *
     * This function uses the create2 opcode and a `salt` to deterministically deploy
     * the clone. Using the same `implementation` and `salt` multiple time will revert, since
     * the clones cannot be deployed twice at the same address.
     */
    function cloneDeterministic(address implementation, bytes32 salt) internal returns (address instance) {
        return cloneDeterministic(implementation, salt, 0);
    }

    /**
     * @dev Same as {xref-Clones-cloneDeterministic-address-bytes32-}[cloneDeterministic], but with
     * a `value` parameter to send native currency to the new contract.
     *
     * NOTE: Using a non-zero value at creation will require the contract using this function (e.g. a factory)
     * to always have enough balance for new deployments. Consider exposing this function under a payable method.
     */
    function cloneDeterministic(
        address implementation,
        bytes32 salt,
        uint256 value
    ) internal returns (address instance) {
        if (address(this).balance < value) {
            revert Errors.InsufficientBalance(address(this).balance, value);
        }
        assembly ("memory-safe") {
            // Cleans the upper 96 bits of the `implementation` word, then packs the first 3 bytes
            // of the `implementation` address with the bytecode before the address.
            mstore(0x00, or(shr(0xe8, shl(0x60, implementation)), 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000))
            // Packs the remaining 17 bytes of `implementation` with the bytecode after the address.
            mstore(0x20, or(shl(0x78, implementation), 0x5af43d82803e903d91602b57fd5bf3))
            instance := create2(value, 0x09, 0x37, salt)
        }
        if (instance == address(0)) {
            revert Errors.FailedDeployment();
        }
    }

    /**
     * @dev Computes the address of a clone deployed using {Clones-cloneDeterministic}.
     */
    function predictDeterministicAddress(
        address implementation,
        bytes32 salt,
        address deployer
    ) internal pure returns (address predicted) {
        assembly ("memory-safe") {
            let ptr := mload(0x40)
            mstore(add(ptr, 0x38), deployer)
            mstore(add(ptr, 0x24), 0x5af43d82803e903d91602b57fd5bf3ff)
            mstore(add(ptr, 0x14), implementation)
            mstore(ptr, 0x3d602d80600a3d3981f3363d3d373d3d3d363d73)
            mstore(add(ptr, 0x58), salt)
            mstore(add(ptr, 0x78), keccak256(add(ptr, 0x0c), 0x37))
            predicted := and(keccak256(add(ptr, 0x43), 0x55), 0xffffffffffffffffffffffffffffffffffffffff)
        }
    }

    /**
     * @dev Computes the address of a clone deployed using {Clones-cloneDeterministic}.
     */
    function predictDeterministicAddress(
        address implementation,
        bytes32 salt
    ) internal view returns (address predicted) {
        return predictDeterministicAddress(implementation, salt, address(this));
    }

    /**
     * @dev Deploys and returns the address of a clone that mimics the behavior of `implementation` with custom
     * immutable arguments. These are provided through `args` and cannot be changed after deployment. To
     * access the arguments within the implementation, use {fetchCloneArgs}.
     *
     * This function uses the create opcode, which should never revert.
     */
    function cloneWithImmutableArgs(address implementation, bytes memory args) internal returns (address instance) {
        return cloneWithImmutableArgs(implementation, args, 0);
    }

    /**
     * @dev Same as {xref-Clones-cloneWithImmutableArgs-address-bytes-}[cloneWithImmutableArgs], but with a `value`
     * parameter to send native currency to the new contract.
     *
     * NOTE: Using a non-zero value at creation will require the contract using this function (e.g. a factory)
     * to always have enough balance for new deployments. Consider exposing this function under a payable method.
     */
    function cloneWithImmutableArgs(
        address implementation,
        bytes memory args,
        uint256 value
    ) internal returns (address instance) {
        if (address(this).balance < value) {
            revert Errors.InsufficientBalance(address(this).balance, value);
        }
        bytes memory bytecode = _cloneCodeWithImmutableArgs(implementation, args);
        assembly ("memory-safe") {
            instance := create(value, add(bytecode, 0x20), mload(bytecode))
        }
        if (instance == address(0)) {
            revert Errors.FailedDeployment();
        }
    }

    /**
     * @dev Deploys and returns the address of a clone that mimics the behaviour of `implementation` with custom
     * immutable arguments. These are provided through `args` and cannot be changed after deployment. To
     * access the arguments within the implementation, use {fetchCloneArgs}.
     *
     * This function uses the create2 opcode and a `salt` to deterministically deploy the clone. Using the same
     * `implementation` and `salt` multiple time will revert, since the clones cannot be deployed twice at the same
     * address.
     */
    function cloneDeterministicWithImmutableArgs(
        address implementation,
        bytes memory args,
        bytes32 salt
    ) internal returns (address instance) {
        return cloneDeterministicWithImmutableArgs(implementation, args, salt, 0);
    }

    /**
     * @dev Same as {xref-Clones-cloneDeterministicWithImmutableArgs-address-bytes-bytes32-}[cloneDeterministicWithImmutableArgs],
     * but with a `value` parameter to send native currency to the new contract.
     *
     * NOTE: Using a non-zero value at creation will require the contract using this function (e.g. a factory)
     * to always have enough balance for new deployments. Consider exposing this function under a payable method.
     */
    function cloneDeterministicWithImmutableArgs(
        address implementation,
        bytes memory args,
        bytes32 salt,
        uint256 value
    ) internal returns (address instance) {
        bytes memory bytecode = _cloneCodeWithImmutableArgs(implementation, args);
        return Create2.deploy(value, salt, bytecode);
    }

    /**
     * @dev Computes the address of a clone deployed using {Clones-cloneDeterministicWithImmutableArgs}.
     */
    function predictDeterministicAddressWithImmutableArgs(
        address implementation,
        bytes memory args,
        bytes32 salt,
        address deployer
    ) internal pure returns (address predicted) {
        bytes memory bytecode = _cloneCodeWithImmutableArgs(implementation, args);
        return Create2.computeAddress(salt, keccak256(bytecode), deployer);
    }

    /**
     * @dev Computes the address of a clone deployed using {Clones-cloneDeterministicWithImmutableArgs}.
     */
    function predictDeterministicAddressWithImmutableArgs(
        address implementation,
        bytes memory args,
        bytes32 salt
    ) internal view returns (address predicted) {
        return predictDeterministicAddressWithImmutableArgs(implementation, args, salt, address(this));
    }

    /**
     * @dev Get the immutable args attached to a clone.
     *
     * - If `instance` is a clone that was deployed using `clone` or `cloneDeterministic`, this
     *   function will return an empty array.
     * - If `instance` is a clone that was deployed using `cloneWithImmutableArgs` or
     *   `cloneDeterministicWithImmutableArgs`, this function will return the args array used at
     *   creation.
     * - If `instance` is NOT a clone deployed using this library, the behavior is undefined. This
     *   function should only be used to check addresses that are known to be clones.
     */
    function fetchCloneArgs(address instance) internal view returns (bytes memory) {
        bytes memory result = new bytes(instance.code.length - 0x2d); // revert if length is too short
        assembly ("memory-safe") {
            extcodecopy(instance, add(result, 0x20), 0x2d, mload(result))
        }
        return result;
    }

    /**
     * @dev Helper that prepares the initcode of the proxy with immutable args.
     *
     * An assembly variant of this function requires copying the `args` array, which can be efficiently done using
     * `mcopy`. Unfortunately, that opcode is not available before cancun. A pure solidity implementation using
     * abi.encodePacked is more expensive but also more portable and easier to review.
     *
     * NOTE: https://eips.ethereum.org/EIPS/eip-170[EIP-170] limits the length of the contract code to 24576 bytes.
     * With the proxy code taking 45 bytes, that limits the length of the immutable args to 24531 bytes.
     */
    function _cloneCodeWithImmutableArgs(
        address implementation,
        bytes memory args
    ) private pure returns (bytes memory) {
        if (args.length > 0x5fd3) revert CloneArgumentsTooLong();
        return
            abi.encodePacked(
                hex"61",
                uint16(args.length + 0x2d),
                hex"3d81600a3d39f3363d3d373d3d3d363d73",
                implementation,
                hex"5af43d82803e903d91602b57fd5bf3",
                args
            );
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.27;

import {AggregatorV3Interface} from "@chainlink/contracts/src/v0.8/shared/interfaces/AggregatorV3Interface.sol";

/**
 * @title IOracle
 * @author Term Structure Labs
 */
interface IOracle {
    struct Oracle {
        AggregatorV3Interface aggregator;
        AggregatorV3Interface backupAggregator;
        uint32 heartbeat;
    }

    /// @notice Error thrown when the oracle is not working
    error OracleIsNotWorking(address asset);

    /// @notice Get the price of an asset
    function getPrice(address asset) external view returns (uint256 price, uint8 decimals);

    function submitPendingOracle(address asset, Oracle memory oracle) external;

    function acceptPendingOracle(address asset) external;
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.27;
/// @notice Swap unit

struct SwapUnit {
    /// @notice Adapter's address
    address adapter;
    /// @notice Input token address
    address tokenIn;
    /// @notice Output token address
    address tokenOut;
    /// @notice Encoded swap data
    bytes swapData;
}

/**
 * @title TermMax SwapAdapter interface
 * @author Term Structure Labs
 */
interface ISwapAdapter {
    /// @notice Swap tokenIn to tokenOut
    /// @param tokenIn Input token address
    /// @param tokenOut Output token address
    /// @param tokenInData Encoded token input data
    /// @param swapData Encoded swap data
    /// @param tokenOutData Encoded token output data
    function swap(address tokenIn, address tokenOut, bytes memory tokenInData, bytes memory swapData)
        external
        returns (bytes memory tokenOutData);

    /// @notice Approve output token
    /// @param token Token address
    /// @param spender Who spend tokens
    /// @param tokenData Encoded token approving data
    function approveOutputToken(address token, address spender, bytes memory tokenData) external;

    /// @notice Transfer output token
    /// @param token Token address
    /// @param to Who receive tokens
    /// @param tokenData Encoded token tranfering data
    function transferOutputToken(address token, address to, bytes memory tokenData) external;

    /// @notice Transfer input token from an address
    /// @param token Token address
    /// @param from Who provide tokens
    /// @param to Who receive tokens
    /// @param tokenData Encoded token tranfering data
    function transferInputTokenFrom(address token, address from, address to, bytes memory tokenData) external;
}

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

pragma solidity ^0.8.20;

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/draft-IERC6093.sol)
pragma solidity ^0.8.20;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC1363.sol)

pragma solidity ^0.8.20;

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

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

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

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

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

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

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

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

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

pragma solidity ^0.8.20;

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

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev There's no code at `target` (it is not a contract).
     */
    error AddressEmptyCode(address target);

    /**
     * @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 Errors.InsufficientBalance(address(this).balance, amount);
        }

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

    /**
     * @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
     * {Errors.FailedCall} 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 Errors.InsufficientBalance(address(this).balance, value);
        }
        (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 {Errors.FailedCall}) 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 {Errors.FailedCall} 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 {Errors.FailedCall}.
     */
    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
            assembly ("memory-safe") {
                let returndata_size := mload(returndata)
                revert(add(32, returndata), returndata_size)
            }
        } else {
            revert Errors.FailedCall();
        }
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.20;

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC721/extensions/IERC721Enumerable.sol)

pragma solidity ^0.8.20;

import {IERC721} from "../IERC721.sol";

/**
 * @title ERC-721 Non-Fungible Token Standard, optional enumeration extension
 * @dev See https://eips.ethereum.org/EIPS/eip-721
 */
interface IERC721Enumerable is IERC721 {
    /**
     * @dev Returns the total amount of tokens stored by the contract.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns a token ID owned by `owner` at a given `index` of its token list.
     * Use along with {balanceOf} to enumerate all of ``owner``'s tokens.
     */
    function tokenOfOwnerByIndex(address owner, uint256 index) external view returns (uint256);

    /**
     * @dev Returns a token ID at a given `index` of all the tokens stored by the contract.
     * Use along with {totalSupply} to enumerate all tokens.
     */
    function tokenByIndex(uint256 index) external view returns (uint256);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/Create2.sol)

pragma solidity ^0.8.20;

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

/**
 * @dev Helper to make usage of the `CREATE2` EVM opcode easier and safer.
 * `CREATE2` can be used to compute in advance the address where a smart
 * contract will be deployed, which allows for interesting new mechanisms known
 * as 'counterfactual interactions'.
 *
 * See the https://eips.ethereum.org/EIPS/eip-1014#motivation[EIP] for more
 * information.
 */
library Create2 {
    /**
     * @dev There's no code to deploy.
     */
    error Create2EmptyBytecode();

    /**
     * @dev Deploys a contract using `CREATE2`. The address where the contract
     * will be deployed can be known in advance via {computeAddress}.
     *
     * The bytecode for a contract can be obtained from Solidity with
     * `type(contractName).creationCode`.
     *
     * Requirements:
     *
     * - `bytecode` must not be empty.
     * - `salt` must have not been used for `bytecode` already.
     * - the factory must have a balance of at least `amount`.
     * - if `amount` is non-zero, `bytecode` must have a `payable` constructor.
     */
    function deploy(uint256 amount, bytes32 salt, bytes memory bytecode) internal returns (address addr) {
        if (address(this).balance < amount) {
            revert Errors.InsufficientBalance(address(this).balance, amount);
        }
        if (bytecode.length == 0) {
            revert Create2EmptyBytecode();
        }
        assembly ("memory-safe") {
            addr := create2(amount, add(bytecode, 0x20), mload(bytecode), salt)
            // if no address was created, and returndata is not empty, bubble revert
            if and(iszero(addr), not(iszero(returndatasize()))) {
                let p := mload(0x40)
                returndatacopy(p, 0, returndatasize())
                revert(p, returndatasize())
            }
        }
        if (addr == address(0)) {
            revert Errors.FailedDeployment();
        }
    }

    /**
     * @dev Returns the address where a contract will be stored if deployed via {deploy}. Any change in the
     * `bytecodeHash` or `salt` will result in a new destination address.
     */
    function computeAddress(bytes32 salt, bytes32 bytecodeHash) internal view returns (address) {
        return computeAddress(salt, bytecodeHash, address(this));
    }

    /**
     * @dev Returns the address where a contract will be stored if deployed via {deploy} from a contract located at
     * `deployer`. If `deployer` is this contract's address, returns the same value as {computeAddress}.
     */
    function computeAddress(bytes32 salt, bytes32 bytecodeHash, address deployer) internal pure returns (address addr) {
        assembly ("memory-safe") {
            let ptr := mload(0x40) // Get free memory pointer

            // |                   | ↓ ptr ...  ↓ ptr + 0x0B (start) ...  ↓ ptr + 0x20 ...  ↓ ptr + 0x40 ...   |
            // |-------------------|---------------------------------------------------------------------------|
            // | bytecodeHash      |                                                        CCCCCCCCCCCCC...CC |
            // | salt              |                                      BBBBBBBBBBBBB...BB                   |
            // | deployer          | 000000...0000AAAAAAAAAAAAAAAAAAA...AA                                     |
            // | 0xFF              |            FF                                                             |
            // |-------------------|---------------------------------------------------------------------------|
            // | memory            | 000000...00FFAAAAAAAAAAAAAAAAAAA...AABBBBBBBBBBBBB...BBCCCCCCCCCCCCC...CC |
            // | keccak(start, 85) |            ↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑ |

            mstore(add(ptr, 0x40), bytecodeHash)
            mstore(add(ptr, 0x20), salt)
            mstore(ptr, deployer) // Right-aligned with 12 preceding garbage bytes
            let start := add(ptr, 0x0b) // The hashed data starts at the final garbage byte which we will set to 0xff
            mstore8(start, 0xff)
            addr := and(keccak256(start, 85), 0xffffffffffffffffffffffffffffffffffffffff)
        }
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.20;

/**
 * @dev Collection of common custom errors used in multiple contracts
 *
 * IMPORTANT: Backwards compatibility is not guaranteed in future versions of the library.
 * It is recommended to avoid relying on the error API for critical functionality.
 */
library Errors {
    /**
     * @dev The ETH balance of the account is not enough to perform the operation.
     */
    error InsufficientBalance(uint256 balance, uint256 needed);

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

    /**
     * @dev The deployment failed.
     */
    error FailedDeployment();

    /**
     * @dev A necessary precompile is missing.
     */
    error MissingPrecompile(address);
}

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

// solhint-disable-next-line interface-starts-with-i
interface AggregatorV3Interface {
  function decimals() external view returns (uint8);

  function description() external view returns (string memory);

  function version() external view returns (uint256);

  function getRoundData(
    uint80 _roundId
  ) external view returns (uint80 roundId, int256 answer, uint256 startedAt, uint256 updatedAt, uint80 answeredInRound);

  function latestRoundData()
    external
    view
    returns (uint80 roundId, int256 answer, uint256 startedAt, uint256 updatedAt, uint80 answeredInRound);
}

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

pragma solidity ^0.8.20;

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC721/IERC721.sol)

pragma solidity ^0.8.20;

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

/**
 * @dev Required interface of an ERC-721 compliant contract.
 */
interface IERC721 is IERC165 {
    /**
     * @dev Emitted when `tokenId` token is transferred from `from` to `to`.
     */
    event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);

    /**
     * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.
     */
    event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);

    /**
     * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.
     */
    event ApprovalForAll(address indexed owner, address indexed operator, bool approved);

    /**
     * @dev Returns the number of tokens in ``owner``'s account.
     */
    function balanceOf(address owner) external view returns (uint256 balance);

    /**
     * @dev Returns the owner of the `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function ownerOf(uint256 tokenId) external view returns (address owner);

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon
     *   a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function safeTransferFrom(address from, address to, uint256 tokenId, bytes calldata data) external;

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
     * are aware of the ERC-721 protocol to prevent tokens from being forever locked.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If the caller is not `from`, it must have been allowed to move this token by either {approve} or
     *   {setApprovalForAll}.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon
     *   a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function safeTransferFrom(address from, address to, uint256 tokenId) external;

    /**
     * @dev Transfers `tokenId` token from `from` to `to`.
     *
     * WARNING: Note that the caller is responsible to confirm that the recipient is capable of receiving ERC-721
     * or else they may be permanently lost. Usage of {safeTransferFrom} prevents loss, though the caller must
     * understand this adds an external call which potentially creates a reentrancy vulnerability.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(address from, address to, uint256 tokenId) external;

    /**
     * @dev Gives permission to `to` to transfer `tokenId` token to another account.
     * The approval is cleared when the token is transferred.
     *
     * Only a single account can be approved at a time, so approving the zero address clears previous approvals.
     *
     * Requirements:
     *
     * - The caller must own the token or be an approved operator.
     * - `tokenId` must exist.
     *
     * Emits an {Approval} event.
     */
    function approve(address to, uint256 tokenId) external;

    /**
     * @dev Approve or remove `operator` as an operator for the caller.
     * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.
     *
     * Requirements:
     *
     * - The `operator` cannot be the address zero.
     *
     * Emits an {ApprovalForAll} event.
     */
    function setApprovalForAll(address operator, bool approved) external;

    /**
     * @dev Returns the account approved for `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function getApproved(uint256 tokenId) external view returns (address operator);

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

{
  "remappings": [
    "@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/",
    "@openzeppelin/contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/contracts/",
    "@chainlink/contracts/=lib/chainlink/contracts/",
    "@pendle/core-v2/contracts/=lib/pendle-core-v2-public/contracts/",
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