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

import "@openzeppelin/contracts-upgradeable/proxy/utils/UUPSUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/token/ERC20/extensions/ERC4626Upgradeable.sol";
import "@openzeppelin/contracts-upgradeable/utils/ReentrancyGuardUpgradeable.sol";
import "@openzeppelin/contracts/utils/StorageSlot.sol";
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";

import "./IWasabiVault.sol";
import "../IWasabiPerps.sol";
import "../PerpUtils.sol";
import "../addressProvider/IAddressProvider.sol";
import "../admin/PerpManager.sol";
import "../admin/Roles.sol";
import "../strategy/IStrategy.sol";
import "../weth/IWETH.sol";

contract WasabiVault is 
    IWasabiVault, UUPSUpgradeable, OwnableUpgradeable, ERC4626Upgradeable, ReentrancyGuardUpgradeable 
{
    using SafeERC20 for IERC20;

    /// @custom:oz-renamed-from pool
    IWasabiPerps public _deprecated_pool;
    /// @dev The total value of the assets deposited, including assets borrowed by the pools and admin
    uint256 public totalAssetValue;
    /// @dev The address provider
    IAddressProvider public addressProvider;
    /// @dev The Wasabi long pool
    IWasabiPerps public longPool;
    /// @dev The Wasabi short pool
    IWasabiPerps public shortPool;
    /// @dev Mapping from strategy address to the amount owed to the vault for the strategy
    mapping(address => uint256) public strategyDebt;
    /// @dev The fee charged on interest in basis points
    uint256 public interestFeeBips;

    uint256 private constant LEVERAGE_DENOMINATOR = 100;
    uint256 private constant BPS_DENOMINATOR = 10000;
    uint256 private constant MAX_INTEREST_FEE_BIPS = 2000; // 20%

    // @notice The slot where the deposit cap is stored, if set
    // @dev This equals bytes32(uint256(keccak256("wasabi.vault.max_deposit")) - 1)
    bytes32 private constant DEPOSIT_CAP_SLOT = 0x5f64ef5afc66734d661a0e9d6aa10a8d47dcf2c1c681696cce952f8ef9115384;

    /// @custom:oz-upgrades-unsafe-allow constructor
    constructor() {
        _disableInitializers();
    }

    /// @dev Initializer for proxy
    /// @notice This function should only be called to initialize a new vault
    /// @param _longPool The WasabiLongPool contract
    /// @param _shortPool The WasabiShortPool contract
    /// @param _addressProvider The address provider
    /// @param _manager The PerpManager contract that will own this vault
    /// @param _asset The asset
    /// @param name The name of the vault
    /// @param symbol The symbol of the vault
    function initialize(
        IWasabiPerps _longPool,
        IWasabiPerps _shortPool,
        IAddressProvider _addressProvider,
        PerpManager _manager,
        IERC20 _asset,
        string memory name,
        string memory symbol
    ) public virtual initializer {
        __WasabiVault_init(_longPool, _shortPool, _addressProvider, _manager, _asset, name, symbol);
    }

    function __WasabiVault_init(
        IWasabiPerps _longPool, 
        IWasabiPerps _shortPool, 
        IAddressProvider _addressProvider, 
        PerpManager _manager, 
        IERC20 _asset, 
        string memory name, 
        string memory symbol
    ) public onlyInitializing {
        __ERC20_init(name, symbol);
        __Ownable_init(address(_manager));
        __ERC4626_init(_asset);
        __ReentrancyGuard_init();
        __UUPSUpgradeable_init();
        addressProvider = _addressProvider;
        longPool = _longPool;
        shortPool = _shortPool;
        interestFeeBips = 1000;
    }

    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                         MODIFIERS                          */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    /// @dev Checks if the caller is one of the pool contracts
    modifier onlyPool() {
        if (msg.sender != address(shortPool)) {
            // Nested checks save a little gas compared to using &&
            if (msg.sender != address(longPool)) revert CallerNotPool();
        }
        _;
    }

    /// @dev Checks if the caller is an admin
    modifier onlyAdmin() {
        _getManager().isAdmin(msg.sender);
        _;
    }

    /// @dev Checks if the caller has the correct role
    modifier onlyRole(uint64 roleId) {
        _getManager().checkRole(roleId, msg.sender);
        _;
    }

    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                          GETTERS                           */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    /// @inheritdoc ERC4626Upgradeable
    function totalAssets() public view override(ERC4626Upgradeable, IERC4626) returns (uint256) {
        return totalAssetValue;
    }

    /// @inheritdoc ERC4626Upgradeable
    function maxDeposit(address) public view override(ERC4626Upgradeable, IERC4626) returns (uint256) {
        uint256 depositCap = _getDepositCap();
        if (depositCap == type(uint256).max) {
            return type(uint256).max;
        }
        if (totalAssetValue >= depositCap) {
            return 0;
        }
        return depositCap - totalAssetValue;
    }

    /// @inheritdoc IWasabiVault
    function getDepositCap() external view returns (uint256) {
        return _getDepositCap();
    }

    /// @inheritdoc IWasabiVault
    function getPoolAddress(bool _long) external view returns (address) {
        return _long ? address(longPool) : address(shortPool);
    }

    /// @inheritdoc IWasabiVault
    function checkMaxLeverage(uint256 _downPayment, uint256 _total) external view {
        if (_total * LEVERAGE_DENOMINATOR > _getDebtController().maxLeverage() * _downPayment) {
            revert PrincipalTooHigh();
        }
    }

    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                           WRITES                           */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    /** @dev See {IERC4626-deposit}. */
    function depositEth(address receiver) public payable virtual nonReentrant returns (uint256) {
        address wethAddress = addressProvider.getWethAddress();
        if (asset() != wethAddress) revert CannotDepositEth();

        uint256 assets = msg.value;
        if (assets == 0) revert InvalidEthAmount();

        uint256 maxAssets = maxDeposit(receiver);
        if (assets > maxAssets) {
            revert ERC4626ExceededMaxDeposit(receiver, assets, maxAssets);
        }

        uint256 shares = previewDeposit(assets);

        IWETH(wethAddress).deposit{value: assets}();

        _mint(receiver, shares);
        totalAssetValue += assets;
        emit Deposit(msg.sender, receiver, assets, shares);

        return shares;
    }

    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                        POOL FUNCTIONS                      */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    /// @inheritdoc IWasabiVault
    function borrow(uint256 _amount) external onlyPool {
        _borrow(msg.sender, _amount);
    }

    /// @inheritdoc IWasabiVault
    function recordRepayment(uint256 _totalRepaid, uint256 _principal, bool _isLiquidation) external onlyPool {
        if (_totalRepaid < _principal) {
            // Only liquidations can cause bad debt
            if (!_isLiquidation) revert InsufficientPrincipalRepaid();
            uint256 loss = _principal - _totalRepaid;
            totalAssetValue -= loss;
        } else {
            uint256 interestPaid = _totalRepaid - _principal;
            // Mint interest fee shares to the fee receiver
            _handleInterestFee(interestPaid);
            totalAssetValue += interestPaid;
        }
    }

    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                       ADMIN FUNCTIONS                      */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    /// @inheritdoc IWasabiVault
    function strategyDeposit(address _strategy, uint256 _depositAmount) external onlyAdmin {
        // Claim any interest earned on previous deposits first
        _strategyClaim(_strategy);
        // Send the deposit amount to the strategy contract
        _borrow(_strategy, _depositAmount);
        // Update the strategy debt
        strategyDebt[_strategy] += _depositAmount;
        // Trigger the deposit logic in the strategy contract and get the resulting collateral asset and amount
        (address collateral, uint256 collateralAmount) = IStrategy(_strategy).deposit(_depositAmount);
        // Emit the event
        emit StrategyDeposit(_strategy, collateral, _depositAmount, collateralAmount);
    }

    /// @inheritdoc IWasabiVault
    function strategyWithdraw(address _strategy, uint256 _withdrawAmount) external onlyAdmin {
        // Claim any interest earned on deposits first
        _strategyClaim(_strategy);
        // Check the withdraw amount - 0 is used to withdraw all deposits
        if (_withdrawAmount == 0) {
            _withdrawAmount = strategyDebt[_strategy];
        }
        if (_withdrawAmount > strategyDebt[_strategy]) {
            revert AmountExceedsDebt();
        }
        // Withdraw the assets from the strategy contract
        (address collateral, uint256 collateralSold) = IStrategy(_strategy).withdraw(_withdrawAmount);
        // Update the strategy debt
        strategyDebt[_strategy] -= _withdrawAmount;
        // Emit the event
        emit StrategyWithdraw(_strategy, collateral, _withdrawAmount, collateralSold);
    }

    /// @inheritdoc IWasabiVault
    function strategyClaim(address _strategy) external onlyAdmin {
        _strategyClaim(_strategy);
    }

    /// @inheritdoc IWasabiVault
    function donate(uint256 _amount) external onlyRole(Roles.VAULT_ADMIN_ROLE) {
        if (_amount == 0) revert InvalidAmount();
        IERC20(asset()).safeTransferFrom(msg.sender, address(this), _amount);
        totalAssetValue += _amount;
        emit NativeYieldClaimed(asset(), _amount);
    }

    /// @inheritdoc IWasabiVault
    function cleanDust() external onlyRole(Roles.VAULT_ADMIN_ROLE) {
        if (totalSupply() == 0 && totalAssetValue > 0) {
            uint256 assets = totalAssetValue;
            totalAssetValue = 0;
            IERC20(asset()).safeTransfer(msg.sender, assets);
        } else {
            revert NoDustToClean();
        }
    }

    /// @inheritdoc IWasabiVault
    function setDepositCap(uint256 _newDepositCap) external onlyRole(Roles.VAULT_ADMIN_ROLE) {
        StorageSlot.getUint256Slot(DEPOSIT_CAP_SLOT).value = _newDepositCap;
        emit DepositCapUpdated(_newDepositCap);
    }

    /// @inheritdoc IWasabiVault
    function setInterestFeeBips(uint256 _newInterestFeeBips) external onlyRole(Roles.VAULT_ADMIN_ROLE) {
        if (_newInterestFeeBips > MAX_INTEREST_FEE_BIPS) {
            revert InterestFeeTooHigh();
        }
        interestFeeBips = _newInterestFeeBips;
        emit InterestFeeBipsUpdated(_newInterestFeeBips);
    }

    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                      INTERNAL FUNCTIONS                    */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    /// @inheritdoc UUPSUpgradeable
    function _authorizeUpgrade(address) internal override onlyAdmin {}

    /// @inheritdoc ERC4626Upgradeable
    function _deposit(
        address caller,
        address receiver,
        uint256 assets,
        uint256 shares
    ) internal virtual override nonReentrant {
        if (assets == 0 || shares == 0) revert InvalidAmount();

        IERC20(asset()).safeTransferFrom(caller, address(this), assets);

        _mint(receiver, shares);
        totalAssetValue += assets;
        emit Deposit(caller, receiver, assets, shares);
    }

    /// @inheritdoc ERC4626Upgradeable
    function _withdraw(
        address caller,
        address receiver,
        address owner,
        uint256 assets,
        uint256 shares
    ) internal virtual override nonReentrant {
        if (assets == 0 || shares == 0) revert InvalidAmount();

        if (caller != owner) {
            if (caller != address(addressProvider.getWasabiRouter())) {
                _spendAllowance(owner, caller, shares);
            }
        }

        _burn(owner, shares);

        totalAssetValue -= assets;

        if (totalSupply() == 0) {
            // Clean dust if no shares are left
            assets += totalAssetValue;
            totalAssetValue = 0;
        }

        IERC20(asset()).safeTransfer(receiver, assets);

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

    function _borrow(address _receiver, uint256 _amount) internal {
        IERC20 assetToken = IERC20(asset());
        if (assetToken.balanceOf(address(this)) < _amount) {
            revert InsufficientAvailablePrincipal();
        }
        assetToken.safeTransfer(_receiver, _amount);
    }

    function _strategyClaim(address _strategy) internal {
        // Get the interest earned since the last observed amount
        uint256 interestReceived = IStrategy(_strategy).getNewInterest(strategyDebt[_strategy]);
        if (interestReceived == 0) return;
        // Get the collateral asset from the strategy
        address collateral = IStrategy(_strategy).collateralAsset();
        // Increment both the totalAssetValue and strategyDebt, since interest was earned but not paid yet
        totalAssetValue += interestReceived;
        strategyDebt[_strategy] += interestReceived;
        // Mint interest fee shares to the fee receiver
        _handleInterestFee(interestReceived);
        // Emit the event
        emit StrategyClaim(_strategy, collateral, interestReceived);
    }

    function _handleInterestFee(uint256 _interestAmount) internal {
        if (interestFeeBips != 0 && _interestAmount != 0) {
            address feeReceiver = _getFeeReceiver();
            uint256 interestFeeShares = _convertToShares(_interestAmount * interestFeeBips / BPS_DENOMINATOR, Math.Rounding.Floor);
            if (interestFeeShares != 0) {
                _mint(feeReceiver, interestFeeShares);
            }
            emit InterestReceived(_interestAmount, interestFeeShares, feeReceiver);
        }
    }

    /// @dev returns the manager of the contract
    function _getManager() internal view returns (PerpManager) {
        return PerpManager(owner());
    }

    /// @dev returns the WETH address
    function _getWethAddress() internal view returns (address) {
        return addressProvider.getWethAddress();
    }

    /// @dev returns the debt controller
    function _getDebtController() internal view returns (IDebtController) {
        return addressProvider.getDebtController();
    }

    /// @dev returns the fee receiver
    function _getFeeReceiver() internal view returns (address) {
        return addressProvider.getFeeReceiver();
    }

    /// @dev returns the deposit cap
    function _getDepositCap() internal view returns (uint256) {
        uint256 depositCap = StorageSlot.getUint256Slot(DEPOSIT_CAP_SLOT).value;
        return depositCap == 0 ? type(uint256).max : depositCap;
    }
}

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

pragma solidity ^0.8.20;

import {IAccessManager} from "@openzeppelin/contracts/access/manager/IAccessManager.sol";
import {IAccessManaged} from "@openzeppelin/contracts/access/manager/IAccessManaged.sol";
import {Address} from "@openzeppelin/contracts/utils/Address.sol";
import {ContextUpgradeable} from "../../utils/ContextUpgradeable.sol";
import {MulticallUpgradeable} from "../../utils/MulticallUpgradeable.sol";
import {Math} from "@openzeppelin/contracts/utils/math/Math.sol";
import {Time} from "@openzeppelin/contracts/utils/types/Time.sol";
import {Initializable} from "../../proxy/utils/Initializable.sol";

/**
 * @dev AccessManager is a central contract to store the permissions of a system.
 *
 * A smart contract under the control of an AccessManager instance is known as a target, and will inherit from the
 * {AccessManaged} contract, be connected to this contract as its manager and implement the {AccessManaged-restricted}
 * modifier on a set of functions selected to be permissioned. Note that any function without this setup won't be
 * effectively restricted.
 *
 * The restriction rules for such functions are defined in terms of "roles" identified by an `uint64` and scoped
 * by target (`address`) and function selectors (`bytes4`). These roles are stored in this contract and can be
 * configured by admins (`ADMIN_ROLE` members) after a delay (see {getTargetAdminDelay}).
 *
 * For each target contract, admins can configure the following without any delay:
 *
 * * The target's {AccessManaged-authority} via {updateAuthority}.
 * * Close or open a target via {setTargetClosed} keeping the permissions intact.
 * * The roles that are allowed (or disallowed) to call a given function (identified by its selector) through {setTargetFunctionRole}.
 *
 * By default every address is member of the `PUBLIC_ROLE` and every target function is restricted to the `ADMIN_ROLE` until configured otherwise.
 * Additionally, each role has the following configuration options restricted to this manager's admins:
 *
 * * A role's admin role via {setRoleAdmin} who can grant or revoke roles.
 * * A role's guardian role via {setRoleGuardian} who's allowed to cancel operations.
 * * A delay in which a role takes effect after being granted through {setGrantDelay}.
 * * A delay of any target's admin action via {setTargetAdminDelay}.
 * * A role label for discoverability purposes with {labelRole}.
 *
 * Any account can be added and removed into any number of these roles by using the {grantRole} and {revokeRole} functions
 * restricted to each role's admin (see {getRoleAdmin}).
 *
 * Since all the permissions of the managed system can be modified by the admins of this instance, it is expected that
 * they will be highly secured (e.g., a multisig or a well-configured DAO).
 *
 * NOTE: This contract implements a form of the {IAuthority} interface, but {canCall} has additional return data so it
 * doesn't inherit `IAuthority`. It is however compatible with the `IAuthority` interface since the first 32 bytes of
 * the return data are a boolean as expected by that interface.
 *
 * NOTE: Systems that implement other access control mechanisms (for example using {Ownable}) can be paired with an
 * {AccessManager} by transferring permissions (ownership in the case of {Ownable}) directly to the {AccessManager}.
 * Users will be able to interact with these contracts through the {execute} function, following the access rules
 * registered in the {AccessManager}. Keep in mind that in that context, the msg.sender seen by restricted functions
 * will be {AccessManager} itself.
 *
 * WARNING: When granting permissions over an {Ownable} or {AccessControl} contract to an {AccessManager}, be very
 * mindful of the danger associated with functions such as {{Ownable-renounceOwnership}} or
 * {{AccessControl-renounceRole}}.
 */
contract AccessManagerUpgradeable is Initializable, ContextUpgradeable, MulticallUpgradeable, IAccessManager {
    using Time for *;

    // Structure that stores the details for a target contract.
    struct TargetConfig {
        mapping(bytes4 selector => uint64 roleId) allowedRoles;
        Time.Delay adminDelay;
        bool closed;
    }

    // Structure that stores the details for a role/account pair. This structures fit into a single slot.
    struct Access {
        // Timepoint at which the user gets the permission.
        // If this is either 0 or in the future, then the role permission is not available.
        uint48 since;
        // Delay for execution. Only applies to restricted() / execute() calls.
        Time.Delay delay;
    }

    // Structure that stores the details of a role.
    struct Role {
        // Members of the role.
        mapping(address user => Access access) members;
        // Admin who can grant or revoke permissions.
        uint64 admin;
        // Guardian who can cancel operations targeting functions that need this role.
        uint64 guardian;
        // Delay in which the role takes effect after being granted.
        Time.Delay grantDelay;
    }

    // Structure that stores the details for a scheduled operation. This structure fits into a single slot.
    struct Schedule {
        // Moment at which the operation can be executed.
        uint48 timepoint;
        // Operation nonce to allow third-party contracts to identify the operation.
        uint32 nonce;
    }

    uint64 public constant ADMIN_ROLE = type(uint64).min; // 0
    uint64 public constant PUBLIC_ROLE = type(uint64).max; // 2**64-1

    /// @custom:storage-location erc7201:openzeppelin.storage.AccessManager
    struct AccessManagerStorage {
        mapping(address target => TargetConfig mode) _targets;
        mapping(uint64 roleId => Role) _roles;
        mapping(bytes32 operationId => Schedule) _schedules;

        // Used to identify operations that are currently being executed via {execute}.
        // This should be transient storage when supported by the EVM.
        bytes32 _executionId;
    }

    // keccak256(abi.encode(uint256(keccak256("openzeppelin.storage.AccessManager")) - 1)) & ~bytes32(uint256(0xff))
    bytes32 private constant AccessManagerStorageLocation = 0x40c6c8c28789853c7efd823ab20824bbd71718a8a5915e855f6f288c9a26ad00;

    function _getAccessManagerStorage() private pure returns (AccessManagerStorage storage $) {
        assembly {
            $.slot := AccessManagerStorageLocation
        }
    }

    /**
     * @dev Check that the caller is authorized to perform the operation, following the restrictions encoded in
     * {_getAdminRestrictions}.
     */
    modifier onlyAuthorized() {
        _checkAuthorized();
        _;
    }

    function __AccessManager_init(address initialAdmin) internal onlyInitializing {
        __AccessManager_init_unchained(initialAdmin);
    }

    function __AccessManager_init_unchained(address initialAdmin) internal onlyInitializing {
        if (initialAdmin == address(0)) {
            revert AccessManagerInvalidInitialAdmin(address(0));
        }

        // admin is active immediately and without any execution delay.
        _grantRole(ADMIN_ROLE, initialAdmin, 0, 0);
    }

    // =================================================== GETTERS ====================================================
    /// @inheritdoc IAccessManager
    function canCall(
        address caller,
        address target,
        bytes4 selector
    ) public view virtual returns (bool immediate, uint32 delay) {
        if (isTargetClosed(target)) {
            return (false, 0);
        } else if (caller == address(this)) {
            // Caller is AccessManager, this means the call was sent through {execute} and it already checked
            // permissions. We verify that the call "identifier", which is set during {execute}, is correct.
            return (_isExecuting(target, selector), 0);
        } else {
            uint64 roleId = getTargetFunctionRole(target, selector);
            (bool isMember, uint32 currentDelay) = hasRole(roleId, caller);
            return isMember ? (currentDelay == 0, currentDelay) : (false, 0);
        }
    }

    /// @inheritdoc IAccessManager
    function expiration() public view virtual returns (uint32) {
        return 1 weeks;
    }

    /// @inheritdoc IAccessManager
    function minSetback() public view virtual returns (uint32) {
        return 5 days;
    }

    /// @inheritdoc IAccessManager
    function isTargetClosed(address target) public view virtual returns (bool) {
        AccessManagerStorage storage $ = _getAccessManagerStorage();
        return $._targets[target].closed;
    }

    /// @inheritdoc IAccessManager
    function getTargetFunctionRole(address target, bytes4 selector) public view virtual returns (uint64) {
        AccessManagerStorage storage $ = _getAccessManagerStorage();
        return $._targets[target].allowedRoles[selector];
    }

    /// @inheritdoc IAccessManager
    function getTargetAdminDelay(address target) public view virtual returns (uint32) {
        AccessManagerStorage storage $ = _getAccessManagerStorage();
        return $._targets[target].adminDelay.get();
    }

    /// @inheritdoc IAccessManager
    function getRoleAdmin(uint64 roleId) public view virtual returns (uint64) {
        AccessManagerStorage storage $ = _getAccessManagerStorage();
        return $._roles[roleId].admin;
    }

    /// @inheritdoc IAccessManager
    function getRoleGuardian(uint64 roleId) public view virtual returns (uint64) {
        AccessManagerStorage storage $ = _getAccessManagerStorage();
        return $._roles[roleId].guardian;
    }

    /// @inheritdoc IAccessManager
    function getRoleGrantDelay(uint64 roleId) public view virtual returns (uint32) {
        AccessManagerStorage storage $ = _getAccessManagerStorage();
        return $._roles[roleId].grantDelay.get();
    }

    /// @inheritdoc IAccessManager
    function getAccess(
        uint64 roleId,
        address account
    ) public view virtual returns (uint48 since, uint32 currentDelay, uint32 pendingDelay, uint48 effect) {
        AccessManagerStorage storage $ = _getAccessManagerStorage();
        Access storage access = $._roles[roleId].members[account];

        since = access.since;
        (currentDelay, pendingDelay, effect) = access.delay.getFull();

        return (since, currentDelay, pendingDelay, effect);
    }

    /// @inheritdoc IAccessManager
    function hasRole(
        uint64 roleId,
        address account
    ) public view virtual returns (bool isMember, uint32 executionDelay) {
        if (roleId == PUBLIC_ROLE) {
            return (true, 0);
        } else {
            (uint48 hasRoleSince, uint32 currentDelay, , ) = getAccess(roleId, account);
            return (hasRoleSince != 0 && hasRoleSince <= Time.timestamp(), currentDelay);
        }
    }

    // =============================================== ROLE MANAGEMENT ===============================================
    /// @inheritdoc IAccessManager
    function labelRole(uint64 roleId, string calldata label) public virtual onlyAuthorized {
        if (roleId == ADMIN_ROLE || roleId == PUBLIC_ROLE) {
            revert AccessManagerLockedRole(roleId);
        }
        emit RoleLabel(roleId, label);
    }

    /// @inheritdoc IAccessManager
    function grantRole(uint64 roleId, address account, uint32 executionDelay) public virtual onlyAuthorized {
        _grantRole(roleId, account, getRoleGrantDelay(roleId), executionDelay);
    }

    /// @inheritdoc IAccessManager
    function revokeRole(uint64 roleId, address account) public virtual onlyAuthorized {
        _revokeRole(roleId, account);
    }

    /// @inheritdoc IAccessManager
    function renounceRole(uint64 roleId, address callerConfirmation) public virtual {
        if (callerConfirmation != _msgSender()) {
            revert AccessManagerBadConfirmation();
        }
        _revokeRole(roleId, callerConfirmation);
    }

    /// @inheritdoc IAccessManager
    function setRoleAdmin(uint64 roleId, uint64 admin) public virtual onlyAuthorized {
        _setRoleAdmin(roleId, admin);
    }

    /// @inheritdoc IAccessManager
    function setRoleGuardian(uint64 roleId, uint64 guardian) public virtual onlyAuthorized {
        _setRoleGuardian(roleId, guardian);
    }

    /// @inheritdoc IAccessManager
    function setGrantDelay(uint64 roleId, uint32 newDelay) public virtual onlyAuthorized {
        _setGrantDelay(roleId, newDelay);
    }

    /**
     * @dev Internal version of {grantRole} without access control. Returns true if the role was newly granted.
     *
     * Emits a {RoleGranted} event.
     */
    function _grantRole(
        uint64 roleId,
        address account,
        uint32 grantDelay,
        uint32 executionDelay
    ) internal virtual returns (bool) {
        AccessManagerStorage storage $ = _getAccessManagerStorage();
        if (roleId == PUBLIC_ROLE) {
            revert AccessManagerLockedRole(roleId);
        }

        bool newMember = $._roles[roleId].members[account].since == 0;
        uint48 since;

        if (newMember) {
            since = Time.timestamp() + grantDelay;
            $._roles[roleId].members[account] = Access({since: since, delay: executionDelay.toDelay()});
        } else {
            // No setback here. Value can be reset by doing revoke + grant, effectively allowing the admin to perform
            // any change to the execution delay within the duration of the role admin delay.
            ($._roles[roleId].members[account].delay, since) = $._roles[roleId].members[account].delay.withUpdate(
                executionDelay,
                0
            );
        }

        emit RoleGranted(roleId, account, executionDelay, since, newMember);
        return newMember;
    }

    /**
     * @dev Internal version of {revokeRole} without access control. This logic is also used by {renounceRole}.
     * Returns true if the role was previously granted.
     *
     * Emits a {RoleRevoked} event if the account had the role.
     */
    function _revokeRole(uint64 roleId, address account) internal virtual returns (bool) {
        AccessManagerStorage storage $ = _getAccessManagerStorage();
        if (roleId == PUBLIC_ROLE) {
            revert AccessManagerLockedRole(roleId);
        }

        if ($._roles[roleId].members[account].since == 0) {
            return false;
        }

        delete $._roles[roleId].members[account];

        emit RoleRevoked(roleId, account);
        return true;
    }

    /**
     * @dev Internal version of {setRoleAdmin} without access control.
     *
     * Emits a {RoleAdminChanged} event.
     *
     * NOTE: Setting the admin role as the `PUBLIC_ROLE` is allowed, but it will effectively allow
     * anyone to set grant or revoke such role.
     */
    function _setRoleAdmin(uint64 roleId, uint64 admin) internal virtual {
        AccessManagerStorage storage $ = _getAccessManagerStorage();
        if (roleId == ADMIN_ROLE || roleId == PUBLIC_ROLE) {
            revert AccessManagerLockedRole(roleId);
        }

        $._roles[roleId].admin = admin;

        emit RoleAdminChanged(roleId, admin);
    }

    /**
     * @dev Internal version of {setRoleGuardian} without access control.
     *
     * Emits a {RoleGuardianChanged} event.
     *
     * NOTE: Setting the guardian role as the `PUBLIC_ROLE` is allowed, but it will effectively allow
     * anyone to cancel any scheduled operation for such role.
     */
    function _setRoleGuardian(uint64 roleId, uint64 guardian) internal virtual {
        AccessManagerStorage storage $ = _getAccessManagerStorage();
        if (roleId == ADMIN_ROLE || roleId == PUBLIC_ROLE) {
            revert AccessManagerLockedRole(roleId);
        }

        $._roles[roleId].guardian = guardian;

        emit RoleGuardianChanged(roleId, guardian);
    }

    /**
     * @dev Internal version of {setGrantDelay} without access control.
     *
     * Emits a {RoleGrantDelayChanged} event.
     */
    function _setGrantDelay(uint64 roleId, uint32 newDelay) internal virtual {
        AccessManagerStorage storage $ = _getAccessManagerStorage();
        if (roleId == PUBLIC_ROLE) {
            revert AccessManagerLockedRole(roleId);
        }

        uint48 effect;
        ($._roles[roleId].grantDelay, effect) = $._roles[roleId].grantDelay.withUpdate(newDelay, minSetback());

        emit RoleGrantDelayChanged(roleId, newDelay, effect);
    }

    // ============================================= FUNCTION MANAGEMENT ==============================================
    /// @inheritdoc IAccessManager
    function setTargetFunctionRole(
        address target,
        bytes4[] calldata selectors,
        uint64 roleId
    ) public virtual onlyAuthorized {
        for (uint256 i = 0; i < selectors.length; ++i) {
            _setTargetFunctionRole(target, selectors[i], roleId);
        }
    }

    /**
     * @dev Internal version of {setTargetFunctionRole} without access control.
     *
     * Emits a {TargetFunctionRoleUpdated} event.
     */
    function _setTargetFunctionRole(address target, bytes4 selector, uint64 roleId) internal virtual {
        AccessManagerStorage storage $ = _getAccessManagerStorage();
        $._targets[target].allowedRoles[selector] = roleId;
        emit TargetFunctionRoleUpdated(target, selector, roleId);
    }

    /// @inheritdoc IAccessManager
    function setTargetAdminDelay(address target, uint32 newDelay) public virtual onlyAuthorized {
        _setTargetAdminDelay(target, newDelay);
    }

    /**
     * @dev Internal version of {setTargetAdminDelay} without access control.
     *
     * Emits a {TargetAdminDelayUpdated} event.
     */
    function _setTargetAdminDelay(address target, uint32 newDelay) internal virtual {
        AccessManagerStorage storage $ = _getAccessManagerStorage();
        uint48 effect;
        ($._targets[target].adminDelay, effect) = $._targets[target].adminDelay.withUpdate(newDelay, minSetback());

        emit TargetAdminDelayUpdated(target, newDelay, effect);
    }

    // =============================================== MODE MANAGEMENT ================================================
    /// @inheritdoc IAccessManager
    function setTargetClosed(address target, bool closed) public virtual onlyAuthorized {
        _setTargetClosed(target, closed);
    }

    /**
     * @dev Set the closed flag for a contract. This is an internal setter with no access restrictions.
     *
     * Emits a {TargetClosed} event.
     */
    function _setTargetClosed(address target, bool closed) internal virtual {
        AccessManagerStorage storage $ = _getAccessManagerStorage();
        if (target == address(this)) {
            revert AccessManagerLockedAccount(target);
        }
        $._targets[target].closed = closed;
        emit TargetClosed(target, closed);
    }

    // ============================================== DELAYED OPERATIONS ==============================================
    /// @inheritdoc IAccessManager
    function getSchedule(bytes32 id) public view virtual returns (uint48) {
        AccessManagerStorage storage $ = _getAccessManagerStorage();
        uint48 timepoint = $._schedules[id].timepoint;
        return _isExpired(timepoint) ? 0 : timepoint;
    }

    /// @inheritdoc IAccessManager
    function getNonce(bytes32 id) public view virtual returns (uint32) {
        AccessManagerStorage storage $ = _getAccessManagerStorage();
        return $._schedules[id].nonce;
    }

    /// @inheritdoc IAccessManager
    function schedule(
        address target,
        bytes calldata data,
        uint48 when
    ) public virtual returns (bytes32 operationId, uint32 nonce) {
        AccessManagerStorage storage $ = _getAccessManagerStorage();
        address caller = _msgSender();

        // Fetch restrictions that apply to the caller on the targeted function
        (, uint32 setback) = _canCallExtended(caller, target, data);

        uint48 minWhen = Time.timestamp() + setback;

        // if call with delay is not authorized, or if requested timing is too soon
        if (setback == 0 || (when > 0 && when < minWhen)) {
            revert AccessManagerUnauthorizedCall(caller, target, _checkSelector(data));
        }

        // Reuse variable due to stack too deep
        when = uint48(Math.max(when, minWhen)); // cast is safe: both inputs are uint48

        // If caller is authorised, schedule operation
        operationId = hashOperation(caller, target, data);

        _checkNotScheduled(operationId);

        unchecked {
            // It's not feasible to overflow the nonce in less than 1000 years
            nonce = $._schedules[operationId].nonce + 1;
        }
        $._schedules[operationId].timepoint = when;
        $._schedules[operationId].nonce = nonce;
        emit OperationScheduled(operationId, nonce, when, caller, target, data);

        // Using named return values because otherwise we get stack too deep
    }

    /**
     * @dev Reverts if the operation is currently scheduled and has not expired.
     * (Note: This function was introduced due to stack too deep errors in schedule.)
     */
    function _checkNotScheduled(bytes32 operationId) private view {
        AccessManagerStorage storage $ = _getAccessManagerStorage();
        uint48 prevTimepoint = $._schedules[operationId].timepoint;
        if (prevTimepoint != 0 && !_isExpired(prevTimepoint)) {
            revert AccessManagerAlreadyScheduled(operationId);
        }
    }

    /// @inheritdoc IAccessManager
    // Reentrancy is not an issue because permissions are checked on msg.sender. Additionally,
    // _consumeScheduledOp guarantees a scheduled operation is only executed once.
    // slither-disable-next-line reentrancy-no-eth
    function execute(address target, bytes calldata data) public payable virtual returns (uint32) {
        AccessManagerStorage storage $ = _getAccessManagerStorage();
        address caller = _msgSender();

        // Fetch restrictions that apply to the caller on the targeted function
        (bool immediate, uint32 setback) = _canCallExtended(caller, target, data);

        // If caller is not authorised, revert
        if (!immediate && setback == 0) {
            revert AccessManagerUnauthorizedCall(caller, target, _checkSelector(data));
        }

        bytes32 operationId = hashOperation(caller, target, data);
        uint32 nonce;

        // If caller is authorised, check operation was scheduled early enough
        // Consume an available schedule even if there is no currently enforced delay
        if (setback != 0 || getSchedule(operationId) != 0) {
            nonce = _consumeScheduledOp(operationId);
        }

        // Mark the target and selector as authorised
        bytes32 executionIdBefore = $._executionId;
        $._executionId = _hashExecutionId(target, _checkSelector(data));

        // Perform call
        Address.functionCallWithValue(target, data, msg.value);

        // Reset execute identifier
        $._executionId = executionIdBefore;

        return nonce;
    }

    /// @inheritdoc IAccessManager
    function cancel(address caller, address target, bytes calldata data) public virtual returns (uint32) {
        AccessManagerStorage storage $ = _getAccessManagerStorage();
        address msgsender = _msgSender();
        bytes4 selector = _checkSelector(data);

        bytes32 operationId = hashOperation(caller, target, data);
        if ($._schedules[operationId].timepoint == 0) {
            revert AccessManagerNotScheduled(operationId);
        } else if (caller != msgsender) {
            // calls can only be canceled by the account that scheduled them, a global admin, or by a guardian of the required role.
            (bool isAdmin, ) = hasRole(ADMIN_ROLE, msgsender);
            (bool isGuardian, ) = hasRole(getRoleGuardian(getTargetFunctionRole(target, selector)), msgsender);
            if (!isAdmin && !isGuardian) {
                revert AccessManagerUnauthorizedCancel(msgsender, caller, target, selector);
            }
        }

        delete $._schedules[operationId].timepoint; // reset the timepoint, keep the nonce
        uint32 nonce = $._schedules[operationId].nonce;
        emit OperationCanceled(operationId, nonce);

        return nonce;
    }

    /// @inheritdoc IAccessManager
    function consumeScheduledOp(address caller, bytes calldata data) public virtual {
        address target = _msgSender();
        if (IAccessManaged(target).isConsumingScheduledOp() != IAccessManaged.isConsumingScheduledOp.selector) {
            revert AccessManagerUnauthorizedConsume(target);
        }
        _consumeScheduledOp(hashOperation(caller, target, data));
    }

    /**
     * @dev Internal variant of {consumeScheduledOp} that operates on bytes32 operationId.
     *
     * Returns the nonce of the scheduled operation that is consumed.
     */
    function _consumeScheduledOp(bytes32 operationId) internal virtual returns (uint32) {
        AccessManagerStorage storage $ = _getAccessManagerStorage();
        uint48 timepoint = $._schedules[operationId].timepoint;
        uint32 nonce = $._schedules[operationId].nonce;

        if (timepoint == 0) {
            revert AccessManagerNotScheduled(operationId);
        } else if (timepoint > Time.timestamp()) {
            revert AccessManagerNotReady(operationId);
        } else if (_isExpired(timepoint)) {
            revert AccessManagerExpired(operationId);
        }

        delete $._schedules[operationId].timepoint; // reset the timepoint, keep the nonce
        emit OperationExecuted(operationId, nonce);

        return nonce;
    }

    /// @inheritdoc IAccessManager
    function hashOperation(address caller, address target, bytes calldata data) public view virtual returns (bytes32) {
        return keccak256(abi.encode(caller, target, data));
    }

    // ==================================================== OTHERS ====================================================
    /// @inheritdoc IAccessManager
    function updateAuthority(address target, address newAuthority) public virtual onlyAuthorized {
        IAccessManaged(target).setAuthority(newAuthority);
    }

    // ================================================= ADMIN LOGIC ==================================================
    /**
     * @dev Check if the current call is authorized according to admin logic.
     */
    function _checkAuthorized() private {
        address caller = _msgSender();
        (bool immediate, uint32 delay) = _canCallSelf(caller, _msgData());
        if (!immediate) {
            if (delay == 0) {
                (, uint64 requiredRole, ) = _getAdminRestrictions(_msgData());
                revert AccessManagerUnauthorizedAccount(caller, requiredRole);
            } else {
                _consumeScheduledOp(hashOperation(caller, address(this), _msgData()));
            }
        }
    }

    /**
     * @dev Get the admin restrictions of a given function call based on the function and arguments involved.
     *
     * Returns:
     * - bool restricted: does this data match a restricted operation
     * - uint64: which role is this operation restricted to
     * - uint32: minimum delay to enforce for that operation (max between operation's delay and admin's execution delay)
     */
    function _getAdminRestrictions(
        bytes calldata data
    ) private view returns (bool restricted, uint64 roleAdminId, uint32 executionDelay) {
        if (data.length < 4) {
            return (false, 0, 0);
        }

        bytes4 selector = _checkSelector(data);

        // Restricted to ADMIN with no delay beside any execution delay the caller may have
        if (
            selector == this.labelRole.selector ||
            selector == this.setRoleAdmin.selector ||
            selector == this.setRoleGuardian.selector ||
            selector == this.setGrantDelay.selector ||
            selector == this.setTargetAdminDelay.selector
        ) {
            return (true, ADMIN_ROLE, 0);
        }

        // Restricted to ADMIN with the admin delay corresponding to the target
        if (
            selector == this.updateAuthority.selector ||
            selector == this.setTargetClosed.selector ||
            selector == this.setTargetFunctionRole.selector
        ) {
            // First argument is a target.
            address target = abi.decode(data[0x04:0x24], (address));
            uint32 delay = getTargetAdminDelay(target);
            return (true, ADMIN_ROLE, delay);
        }

        // Restricted to that role's admin with no delay beside any execution delay the caller may have.
        if (selector == this.grantRole.selector || selector == this.revokeRole.selector) {
            // First argument is a roleId.
            uint64 roleId = abi.decode(data[0x04:0x24], (uint64));
            return (true, getRoleAdmin(roleId), 0);
        }

        return (false, 0, 0);
    }

    // =================================================== HELPERS ====================================================
    /**
     * @dev An extended version of {canCall} for internal usage that checks {_canCallSelf}
     * when the target is this contract.
     *
     * Returns:
     * - bool immediate: whether the operation can be executed immediately (with no delay)
     * - uint32 delay: the execution delay
     */
    function _canCallExtended(
        address caller,
        address target,
        bytes calldata data
    ) private view returns (bool immediate, uint32 delay) {
        if (target == address(this)) {
            return _canCallSelf(caller, data);
        } else {
            return data.length < 4 ? (false, 0) : canCall(caller, target, _checkSelector(data));
        }
    }

    /**
     * @dev A version of {canCall} that checks for admin restrictions in this contract.
     */
    function _canCallSelf(address caller, bytes calldata data) private view returns (bool immediate, uint32 delay) {
        if (data.length < 4) {
            return (false, 0);
        }

        if (caller == address(this)) {
            // Caller is AccessManager, this means the call was sent through {execute} and it already checked
            // permissions. We verify that the call "identifier", which is set during {execute}, is correct.
            return (_isExecuting(address(this), _checkSelector(data)), 0);
        }

        (bool enabled, uint64 roleId, uint32 operationDelay) = _getAdminRestrictions(data);
        if (!enabled) {
            return (false, 0);
        }

        (bool inRole, uint32 executionDelay) = hasRole(roleId, caller);
        if (!inRole) {
            return (false, 0);
        }

        // downcast is safe because both options are uint32
        delay = uint32(Math.max(operationDelay, executionDelay));
        return (delay == 0, delay);
    }

    /**
     * @dev Returns true if a call with `target` and `selector` is being executed via {executed}.
     */
    function _isExecuting(address target, bytes4 selector) private view returns (bool) {
        AccessManagerStorage storage $ = _getAccessManagerStorage();
        return $._executionId == _hashExecutionId(target, selector);
    }

    /**
     * @dev Returns true if a schedule timepoint is past its expiration deadline.
     */
    function _isExpired(uint48 timepoint) private view returns (bool) {
        return timepoint + expiration() <= Time.timestamp();
    }

    /**
     * @dev Extracts the selector from calldata. Panics if data is not at least 4 bytes
     */
    function _checkSelector(bytes calldata data) private pure returns (bytes4) {
        return bytes4(data[0:4]);
    }

    /**
     * @dev Hashing function for execute protection
     */
    function _hashExecutionId(address target, bytes4 selector) private pure returns (bytes32) {
        return keccak256(abi.encode(target, selector));
    }
}

// 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
// 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) (proxy/utils/UUPSUpgradeable.sol)

pragma solidity ^0.8.20;

import {IERC1822Proxiable} from "@openzeppelin/contracts/interfaces/draft-IERC1822.sol";
import {ERC1967Utils} from "@openzeppelin/contracts/proxy/ERC1967/ERC1967Utils.sol";
import {Initializable} from "./Initializable.sol";

/**
 * @dev An upgradeability mechanism designed for UUPS proxies. The functions included here can perform an upgrade of an
 * {ERC1967Proxy}, when this contract is set as the implementation behind such a proxy.
 *
 * A security mechanism ensures that an upgrade does not turn off upgradeability accidentally, although this risk is
 * reinstated if the upgrade retains upgradeability but removes the security mechanism, e.g. by replacing
 * `UUPSUpgradeable` with a custom implementation of upgrades.
 *
 * The {_authorizeUpgrade} function must be overridden to include access restriction to the upgrade mechanism.
 */
abstract contract UUPSUpgradeable is Initializable, IERC1822Proxiable {
    /// @custom:oz-upgrades-unsafe-allow state-variable-immutable
    address private immutable __self = address(this);

    /**
     * @dev The version of the upgrade interface of the contract. If this getter is missing, both `upgradeTo(address)`
     * and `upgradeToAndCall(address,bytes)` are present, and `upgradeTo` must be used if no function should be called,
     * while `upgradeToAndCall` will invoke the `receive` function if the second argument is the empty byte string.
     * If the getter returns `"5.0.0"`, only `upgradeToAndCall(address,bytes)` is present, and the second argument must
     * be the empty byte string if no function should be called, making it impossible to invoke the `receive` function
     * during an upgrade.
     */
    string public constant UPGRADE_INTERFACE_VERSION = "5.0.0";

    /**
     * @dev The call is from an unauthorized context.
     */
    error UUPSUnauthorizedCallContext();

    /**
     * @dev The storage `slot` is unsupported as a UUID.
     */
    error UUPSUnsupportedProxiableUUID(bytes32 slot);

    /**
     * @dev Check that the execution is being performed through a delegatecall call and that the execution context is
     * a proxy contract with an implementation (as defined in ERC1967) pointing to self. This should only be the case
     * for UUPS and transparent proxies that are using the current contract as their implementation. Execution of a
     * function through ERC1167 minimal proxies (clones) would not normally pass this test, but is not guaranteed to
     * fail.
     */
    modifier onlyProxy() {
        _checkProxy();
        _;
    }

    /**
     * @dev Check that the execution is not being performed through a delegate call. This allows a function to be
     * callable on the implementing contract but not through proxies.
     */
    modifier notDelegated() {
        _checkNotDelegated();
        _;
    }

    function __UUPSUpgradeable_init() internal onlyInitializing {
    }

    function __UUPSUpgradeable_init_unchained() internal onlyInitializing {
    }
    /**
     * @dev Implementation of the ERC1822 {proxiableUUID} function. This returns the storage slot used by the
     * implementation. It is used to validate the implementation's compatibility when performing an upgrade.
     *
     * IMPORTANT: A proxy pointing at a proxiable contract should not be considered proxiable itself, because this risks
     * bricking a proxy that upgrades to it, by delegating to itself until out of gas. Thus it is critical that this
     * function revert if invoked through a proxy. This is guaranteed by the `notDelegated` modifier.
     */
    function proxiableUUID() external view virtual notDelegated returns (bytes32) {
        return ERC1967Utils.IMPLEMENTATION_SLOT;
    }

    /**
     * @dev Upgrade the implementation of the proxy to `newImplementation`, and subsequently execute the function call
     * encoded in `data`.
     *
     * Calls {_authorizeUpgrade}.
     *
     * Emits an {Upgraded} event.
     *
     * @custom:oz-upgrades-unsafe-allow-reachable delegatecall
     */
    function upgradeToAndCall(address newImplementation, bytes memory data) public payable virtual onlyProxy {
        _authorizeUpgrade(newImplementation);
        _upgradeToAndCallUUPS(newImplementation, data);
    }

    /**
     * @dev Reverts if the execution is not performed via delegatecall or the execution
     * context is not of a proxy with an ERC1967-compliant implementation pointing to self.
     * See {_onlyProxy}.
     */
    function _checkProxy() internal view virtual {
        if (
            address(this) == __self || // Must be called through delegatecall
            ERC1967Utils.getImplementation() != __self // Must be called through an active proxy
        ) {
            revert UUPSUnauthorizedCallContext();
        }
    }

    /**
     * @dev Reverts if the execution is performed via delegatecall.
     * See {notDelegated}.
     */
    function _checkNotDelegated() internal view virtual {
        if (address(this) != __self) {
            // Must not be called through delegatecall
            revert UUPSUnauthorizedCallContext();
        }
    }

    /**
     * @dev Function that should revert when `msg.sender` is not authorized to upgrade the contract. Called by
     * {upgradeToAndCall}.
     *
     * Normally, this function will use an xref:access.adoc[access control] modifier such as {Ownable-onlyOwner}.
     *
     * ```solidity
     * function _authorizeUpgrade(address) internal onlyOwner {}
     * ```
     */
    function _authorizeUpgrade(address newImplementation) internal virtual;

    /**
     * @dev Performs an implementation upgrade with a security check for UUPS proxies, and additional setup call.
     *
     * As a security check, {proxiableUUID} is invoked in the new implementation, and the return value
     * is expected to be the implementation slot in ERC1967.
     *
     * Emits an {IERC1967-Upgraded} event.
     */
    function _upgradeToAndCallUUPS(address newImplementation, bytes memory data) private {
        try IERC1822Proxiable(newImplementation).proxiableUUID() returns (bytes32 slot) {
            if (slot != ERC1967Utils.IMPLEMENTATION_SLOT) {
                revert UUPSUnsupportedProxiableUUID(slot);
            }
            ERC1967Utils.upgradeToAndCall(newImplementation, data);
        } catch {
            // The implementation is not UUPS
            revert ERC1967Utils.ERC1967InvalidImplementation(newImplementation);
        }
    }
}

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

pragma solidity ^0.8.20;

import {Address} from "@openzeppelin/contracts/utils/Address.sol";
import {ContextUpgradeable} from "./ContextUpgradeable.sol";
import {Initializable} from "../proxy/utils/Initializable.sol";

/**
 * @dev Provides a function to batch together multiple calls in a single external call.
 *
 * Consider any assumption about calldata validation performed by the sender may be violated if it's not especially
 * careful about sending transactions invoking {multicall}. For example, a relay address that filters function
 * selectors won't filter calls nested within a {multicall} operation.
 *
 * NOTE: Since 5.0.1 and 4.9.4, this contract identifies non-canonical contexts (i.e. `msg.sender` is not {_msgSender}).
 * If a non-canonical context is identified, the following self `delegatecall` appends the last bytes of `msg.data`
 * to the subcall. This makes it safe to use with {ERC2771Context}. Contexts that don't affect the resolution of
 * {_msgSender} are not propagated to subcalls.
 */
abstract contract MulticallUpgradeable is Initializable, ContextUpgradeable {
    function __Multicall_init() internal onlyInitializing {
    }

    function __Multicall_init_unchained() internal onlyInitializing {
    }
    /**
     * @dev Receives and executes a batch of function calls on this contract.
     * @custom:oz-upgrades-unsafe-allow-reachable delegatecall
     */
    function multicall(bytes[] calldata data) external virtual returns (bytes[] memory results) {
        bytes memory context = msg.sender == _msgSender()
            ? new bytes(0)
            : msg.data[msg.data.length - _contextSuffixLength():];

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

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

pragma solidity ^0.8.20;

interface IAccessManaged {
    /**
     * @dev Authority that manages this contract was updated.
     */
    event AuthorityUpdated(address authority);

    error AccessManagedUnauthorized(address caller);
    error AccessManagedRequiredDelay(address caller, uint32 delay);
    error AccessManagedInvalidAuthority(address authority);

    /**
     * @dev Returns the current authority.
     */
    function authority() external view returns (address);

    /**
     * @dev Transfers control to a new authority. The caller must be the current authority.
     */
    function setAuthority(address) external;

    /**
     * @dev Returns true only in the context of a delayed restricted call, at the moment that the scheduled operation is
     * being consumed. Prevents denial of service for delayed restricted calls in the case that the contract performs
     * attacker controlled calls.
     */
    function isConsumingScheduledOp() external view returns (bytes4);
}

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

pragma solidity ^0.8.20;

import {IAccessManaged} from "./IAccessManaged.sol";
import {Time} from "../../utils/types/Time.sol";

interface IAccessManager {
    /**
     * @dev A delayed operation was scheduled.
     */
    event OperationScheduled(
        bytes32 indexed operationId,
        uint32 indexed nonce,
        uint48 schedule,
        address caller,
        address target,
        bytes data
    );

    /**
     * @dev A scheduled operation was executed.
     */
    event OperationExecuted(bytes32 indexed operationId, uint32 indexed nonce);

    /**
     * @dev A scheduled operation was canceled.
     */
    event OperationCanceled(bytes32 indexed operationId, uint32 indexed nonce);

    /**
     * @dev Informational labelling for a roleId.
     */
    event RoleLabel(uint64 indexed roleId, string label);

    /**
     * @dev Emitted when `account` is granted `roleId`.
     *
     * NOTE: The meaning of the `since` argument depends on the `newMember` argument.
     * If the role is granted to a new member, the `since` argument indicates when the account becomes a member of the role,
     * otherwise it indicates the execution delay for this account and roleId is updated.
     */
    event RoleGranted(uint64 indexed roleId, address indexed account, uint32 delay, uint48 since, bool newMember);

    /**
     * @dev Emitted when `account` membership or `roleId` is revoked. Unlike granting, revoking is instantaneous.
     */
    event RoleRevoked(uint64 indexed roleId, address indexed account);

    /**
     * @dev Role acting as admin over a given `roleId` is updated.
     */
    event RoleAdminChanged(uint64 indexed roleId, uint64 indexed admin);

    /**
     * @dev Role acting as guardian over a given `roleId` is updated.
     */
    event RoleGuardianChanged(uint64 indexed roleId, uint64 indexed guardian);

    /**
     * @dev Grant delay for a given `roleId` will be updated to `delay` when `since` is reached.
     */
    event RoleGrantDelayChanged(uint64 indexed roleId, uint32 delay, uint48 since);

    /**
     * @dev Target mode is updated (true = closed, false = open).
     */
    event TargetClosed(address indexed target, bool closed);

    /**
     * @dev Role required to invoke `selector` on `target` is updated to `roleId`.
     */
    event TargetFunctionRoleUpdated(address indexed target, bytes4 selector, uint64 indexed roleId);

    /**
     * @dev Admin delay for a given `target` will be updated to `delay` when `since` is reached.
     */
    event TargetAdminDelayUpdated(address indexed target, uint32 delay, uint48 since);

    error AccessManagerAlreadyScheduled(bytes32 operationId);
    error AccessManagerNotScheduled(bytes32 operationId);
    error AccessManagerNotReady(bytes32 operationId);
    error AccessManagerExpired(bytes32 operationId);
    error AccessManagerLockedAccount(address account);
    error AccessManagerLockedRole(uint64 roleId);
    error AccessManagerBadConfirmation();
    error AccessManagerUnauthorizedAccount(address msgsender, uint64 roleId);
    error AccessManagerUnauthorizedCall(address caller, address target, bytes4 selector);
    error AccessManagerUnauthorizedConsume(address target);
    error AccessManagerUnauthorizedCancel(address msgsender, address caller, address target, bytes4 selector);
    error AccessManagerInvalidInitialAdmin(address initialAdmin);

    /**
     * @dev Check if an address (`caller`) is authorised to call a given function on a given contract directly (with
     * no restriction). Additionally, it returns the delay needed to perform the call indirectly through the {schedule}
     * & {execute} workflow.
     *
     * This function is usually called by the targeted contract to control immediate execution of restricted functions.
     * Therefore we only return true if the call can be performed without any delay. If the call is subject to a
     * previously set delay (not zero), then the function should return false and the caller should schedule the operation
     * for future execution.
     *
     * If `immediate` is true, the delay can be disregarded and the operation can be immediately executed, otherwise
     * the operation can be executed if and only if delay is greater than 0.
     *
     * NOTE: The IAuthority interface does not include the `uint32` delay. This is an extension of that interface that
     * is backward compatible. Some contracts may thus ignore the second return argument. In that case they will fail
     * to identify the indirect workflow, and will consider calls that require a delay to be forbidden.
     *
     * NOTE: This function does not report the permissions of this manager itself. These are defined by the
     * {_canCallSelf} function instead.
     */
    function canCall(
        address caller,
        address target,
        bytes4 selector
    ) external view returns (bool allowed, uint32 delay);

    /**
     * @dev Expiration delay for scheduled proposals. Defaults to 1 week.
     *
     * IMPORTANT: Avoid overriding the expiration with 0. Otherwise every contract proposal will be expired immediately,
     * disabling any scheduling usage.
     */
    function expiration() external view returns (uint32);

    /**
     * @dev Minimum setback for all delay updates, with the exception of execution delays. It
     * can be increased without setback (and reset via {revokeRole} in the case event of an
     * accidental increase). Defaults to 5 days.
     */
    function minSetback() external view returns (uint32);

    /**
     * @dev Get whether the contract is closed disabling any access. Otherwise role permissions are applied.
     */
    function isTargetClosed(address target) external view returns (bool);

    /**
     * @dev Get the role required to call a function.
     */
    function getTargetFunctionRole(address target, bytes4 selector) external view returns (uint64);

    /**
     * @dev Get the admin delay for a target contract. Changes to contract configuration are subject to this delay.
     */
    function getTargetAdminDelay(address target) external view returns (uint32);

    /**
     * @dev Get the id of the role that acts as an admin for the given role.
     *
     * The admin permission is required to grant the role, revoke the role and update the execution delay to execute
     * an operation that is restricted to this role.
     */
    function getRoleAdmin(uint64 roleId) external view returns (uint64);

    /**
     * @dev Get the role that acts as a guardian for a given role.
     *
     * The guardian permission allows canceling operations that have been scheduled under the role.
     */
    function getRoleGuardian(uint64 roleId) external view returns (uint64);

    /**
     * @dev Get the role current grant delay.
     *
     * Its value may change at any point without an event emitted following a call to {setGrantDelay}.
     * Changes to this value, including effect timepoint are notified in advance by the {RoleGrantDelayChanged} event.
     */
    function getRoleGrantDelay(uint64 roleId) external view returns (uint32);

    /**
     * @dev Get the access details for a given account for a given role. These details include the timepoint at which
     * membership becomes active, and the delay applied to all operation by this user that requires this permission
     * level.
     *
     * Returns:
     * [0] Timestamp at which the account membership becomes valid. 0 means role is not granted.
     * [1] Current execution delay for the account.
     * [2] Pending execution delay for the account.
     * [3] Timestamp at which the pending execution delay will become active. 0 means no delay update is scheduled.
     */
    function getAccess(uint64 roleId, address account) external view returns (uint48, uint32, uint32, uint48);

    /**
     * @dev Check if a given account currently has the permission level corresponding to a given role. Note that this
     * permission might be associated with an execution delay. {getAccess} can provide more details.
     */
    function hasRole(uint64 roleId, address account) external view returns (bool, uint32);

    /**
     * @dev Give a label to a role, for improved role discoverability by UIs.
     *
     * Requirements:
     *
     * - the caller must be a global admin
     *
     * Emits a {RoleLabel} event.
     */
    function labelRole(uint64 roleId, string calldata label) external;

    /**
     * @dev Add `account` to `roleId`, or change its execution delay.
     *
     * This gives the account the authorization to call any function that is restricted to this role. An optional
     * execution delay (in seconds) can be set. If that delay is non 0, the user is required to schedule any operation
     * that is restricted to members of this role. The user will only be able to execute the operation after the delay has
     * passed, before it has expired. During this period, admin and guardians can cancel the operation (see {cancel}).
     *
     * If the account has already been granted this role, the execution delay will be updated. This update is not
     * immediate and follows the delay rules. For example, if a user currently has a delay of 3 hours, and this is
     * called to reduce that delay to 1 hour, the new delay will take some time to take effect, enforcing that any
     * operation executed in the 3 hours that follows this update was indeed scheduled before this update.
     *
     * Requirements:
     *
     * - the caller must be an admin for the role (see {getRoleAdmin})
     * - granted role must not be the `PUBLIC_ROLE`
     *
     * Emits a {RoleGranted} event.
     */
    function grantRole(uint64 roleId, address account, uint32 executionDelay) external;

    /**
     * @dev Remove an account from a role, with immediate effect. If the account does not have the role, this call has
     * no effect.
     *
     * Requirements:
     *
     * - the caller must be an admin for the role (see {getRoleAdmin})
     * - revoked role must not be the `PUBLIC_ROLE`
     *
     * Emits a {RoleRevoked} event if the account had the role.
     */
    function revokeRole(uint64 roleId, address account) external;

    /**
     * @dev Renounce role permissions for the calling account with immediate effect. If the sender is not in
     * the role this call has no effect.
     *
     * Requirements:
     *
     * - the caller must be `callerConfirmation`.
     *
     * Emits a {RoleRevoked} event if the account had the role.
     */
    function renounceRole(uint64 roleId, address callerConfirmation) external;

    /**
     * @dev Change admin role for a given role.
     *
     * Requirements:
     *
     * - the caller must be a global admin
     *
     * Emits a {RoleAdminChanged} event
     */
    function setRoleAdmin(uint64 roleId, uint64 admin) external;

    /**
     * @dev Change guardian role for a given role.
     *
     * Requirements:
     *
     * - the caller must be a global admin
     *
     * Emits a {RoleGuardianChanged} event
     */
    function setRoleGuardian(uint64 roleId, uint64 guardian) external;

    /**
     * @dev Update the delay for granting a `roleId`.
     *
     * Requirements:
     *
     * - the caller must be a global admin
     *
     * Emits a {RoleGrantDelayChanged} event.
     */
    function setGrantDelay(uint64 roleId, uint32 newDelay) external;

    /**
     * @dev Set the role required to call functions identified by the `selectors` in the `target` contract.
     *
     * Requirements:
     *
     * - the caller must be a global admin
     *
     * Emits a {TargetFunctionRoleUpdated} event per selector.
     */
    function setTargetFunctionRole(address target, bytes4[] calldata selectors, uint64 roleId) external;

    /**
     * @dev Set the delay for changing the configuration of a given target contract.
     *
     * Requirements:
     *
     * - the caller must be a global admin
     *
     * Emits a {TargetAdminDelayUpdated} event.
     */
    function setTargetAdminDelay(address target, uint32 newDelay) external;

    /**
     * @dev Set the closed flag for a contract.
     *
     * Requirements:
     *
     * - the caller must be a global admin
     *
     * Emits a {TargetClosed} event.
     */
    function setTargetClosed(address target, bool closed) external;

    /**
     * @dev Return the timepoint at which a scheduled operation will be ready for execution. This returns 0 if the
     * operation is not yet scheduled, has expired, was executed, or was canceled.
     */
    function getSchedule(bytes32 id) external view returns (uint48);

    /**
     * @dev Return the nonce for the latest scheduled operation with a given id. Returns 0 if the operation has never
     * been scheduled.
     */
    function getNonce(bytes32 id) external view returns (uint32);

    /**
     * @dev Schedule a delayed operation for future execution, and return the operation identifier. It is possible to
     * choose the timestamp at which the operation becomes executable as long as it satisfies the execution delays
     * required for the caller. The special value zero will automatically set the earliest possible time.
     *
     * Returns the `operationId` that was scheduled. Since this value is a hash of the parameters, it can reoccur when
     * the same parameters are used; if this is relevant, the returned `nonce` can be used to uniquely identify this
     * scheduled operation from other occurrences of the same `operationId` in invocations of {execute} and {cancel}.
     *
     * Emits a {OperationScheduled} event.
     *
     * NOTE: It is not possible to concurrently schedule more than one operation with the same `target` and `data`. If
     * this is necessary, a random byte can be appended to `data` to act as a salt that will be ignored by the target
     * contract if it is using standard Solidity ABI encoding.
     */
    function schedule(address target, bytes calldata data, uint48 when) external returns (bytes32, uint32);

    /**
     * @dev Execute a function that is delay restricted, provided it was properly scheduled beforehand, or the
     * execution delay is 0.
     *
     * Returns the nonce that identifies the previously scheduled operation that is executed, or 0 if the
     * operation wasn't previously scheduled (if the caller doesn't have an execution delay).
     *
     * Emits an {OperationExecuted} event only if the call was scheduled and delayed.
     */
    function execute(address target, bytes calldata data) external payable returns (uint32);

    /**
     * @dev Cancel a scheduled (delayed) operation. Returns the nonce that identifies the previously scheduled
     * operation that is cancelled.
     *
     * Requirements:
     *
     * - the caller must be the proposer, a guardian of the targeted function, or a global admin
     *
     * Emits a {OperationCanceled} event.
     */
    function cancel(address caller, address target, bytes calldata data) external returns (uint32);

    /**
     * @dev Consume a scheduled operation targeting the caller. If such an operation exists, mark it as consumed
     * (emit an {OperationExecuted} event and clean the state). Otherwise, throw an error.
     *
     * This is useful for contract that want to enforce that calls targeting them were scheduled on the manager,
     * with all the verifications that it implies.
     *
     * Emit a {OperationExecuted} event.
     */
    function consumeScheduledOp(address caller, bytes calldata data) external;

    /**
     * @dev Hashing function for delayed operations.
     */
    function hashOperation(address caller, address target, bytes calldata data) external view returns (bytes32);

    /**
     * @dev Changes the authority of a target managed by this manager instance.
     *
     * Requirements:
     *
     * - the caller must be a global admin
     */
    function updateAuthority(address target, address newAuthority) external;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/draft-IERC1822.sol)

pragma solidity ^0.8.20;

/**
 * @dev ERC1822: Universal Upgradeable Proxy Standard (UUPS) documents a method for upgradeability through a simplified
 * proxy whose upgrades are fully controlled by the current implementation.
 */
interface IERC1822Proxiable {
    /**
     * @dev Returns the storage slot that the proxiable contract assumes is being used to store the implementation
     * address.
     *
     * IMPORTANT: A proxy pointing at a proxiable contract should not be considered proxiable itself, because this risks
     * bricking a proxy that upgrades to it, by delegating to itself until out of gas. Thus it is critical that this
     * function revert if invoked through a proxy.
     */
    function proxiableUUID() external view returns (bytes32);
}

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

/**
 * @dev Standard ERC20 Errors
 * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC20 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 ERC721 Errors
 * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC721 tokens.
 */
interface IERC721Errors {
    /**
     * @dev Indicates that an address can't be an owner. For example, `address(0)` is a forbidden owner in EIP-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 ERC1155 Errors
 * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC1155 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/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 ERC4626 "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) (proxy/beacon/IBeacon.sol)

pragma solidity ^0.8.20;

/**
 * @dev This is the interface that {BeaconProxy} expects of its beacon.
 */
interface IBeacon {
    /**
     * @dev Must return an address that can be used as a delegate call target.
     *
     * {UpgradeableBeacon} will check that this address is a contract.
     */
    function implementation() external view returns (address);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (proxy/ERC1967/ERC1967Utils.sol)

pragma solidity ^0.8.20;

import {IBeacon} from "../beacon/IBeacon.sol";
import {Address} from "../../utils/Address.sol";
import {StorageSlot} from "../../utils/StorageSlot.sol";

/**
 * @dev This abstract contract provides getters and event emitting update functions for
 * https://eips.ethereum.org/EIPS/eip-1967[EIP1967] slots.
 */
library ERC1967Utils {
    // We re-declare ERC-1967 events here because they can't be used directly from IERC1967.
    // This will be fixed in Solidity 0.8.21. At that point we should remove these events.
    /**
     * @dev Emitted when the implementation is upgraded.
     */
    event Upgraded(address indexed implementation);

    /**
     * @dev Emitted when the admin account has changed.
     */
    event AdminChanged(address previousAdmin, address newAdmin);

    /**
     * @dev Emitted when the beacon is changed.
     */
    event BeaconUpgraded(address indexed beacon);

    /**
     * @dev Storage slot with the address of the current implementation.
     * This is the keccak-256 hash of "eip1967.proxy.implementation" subtracted by 1.
     */
    // solhint-disable-next-line private-vars-leading-underscore
    bytes32 internal constant IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;

    /**
     * @dev The `implementation` of the proxy is invalid.
     */
    error ERC1967InvalidImplementation(address implementation);

    /**
     * @dev The `admin` of the proxy is invalid.
     */
    error ERC1967InvalidAdmin(address admin);

    /**
     * @dev The `beacon` of the proxy is invalid.
     */
    error ERC1967InvalidBeacon(address beacon);

    /**
     * @dev An upgrade function sees `msg.value > 0` that may be lost.
     */
    error ERC1967NonPayable();

    /**
     * @dev Returns the current implementation address.
     */
    function getImplementation() internal view returns (address) {
        return StorageSlot.getAddressSlot(IMPLEMENTATION_SLOT).value;
    }

    /**
     * @dev Stores a new address in the EIP1967 implementation slot.
     */
    function _setImplementation(address newImplementation) private {
        if (newImplementation.code.length == 0) {
            revert ERC1967InvalidImplementation(newImplementation);
        }
        StorageSlot.getAddressSlot(IMPLEMENTATION_SLOT).value = newImplementation;
    }

    /**
     * @dev Performs implementation upgrade with additional setup call if data is nonempty.
     * This function is payable only if the setup call is performed, otherwise `msg.value` is rejected
     * to avoid stuck value in the contract.
     *
     * Emits an {IERC1967-Upgraded} event.
     */
    function upgradeToAndCall(address newImplementation, bytes memory data) internal {
        _setImplementation(newImplementation);
        emit Upgraded(newImplementation);

        if (data.length > 0) {
            Address.functionDelegateCall(newImplementation, data);
        } else {
            _checkNonPayable();
        }
    }

    /**
     * @dev Storage slot with the admin of the contract.
     * This is the keccak-256 hash of "eip1967.proxy.admin" subtracted by 1.
     */
    // solhint-disable-next-line private-vars-leading-underscore
    bytes32 internal constant ADMIN_SLOT = 0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103;

    /**
     * @dev Returns the current admin.
     *
     * TIP: To get this value clients can read directly from the storage slot shown below (specified by EIP1967) using
     * the https://eth.wiki/json-rpc/API#eth_getstorageat[`eth_getStorageAt`] RPC call.
     * `0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103`
     */
    function getAdmin() internal view returns (address) {
        return StorageSlot.getAddressSlot(ADMIN_SLOT).value;
    }

    /**
     * @dev Stores a new address in the EIP1967 admin slot.
     */
    function _setAdmin(address newAdmin) private {
        if (newAdmin == address(0)) {
            revert ERC1967InvalidAdmin(address(0));
        }
        StorageSlot.getAddressSlot(ADMIN_SLOT).value = newAdmin;
    }

    /**
     * @dev Changes the admin of the proxy.
     *
     * Emits an {IERC1967-AdminChanged} event.
     */
    function changeAdmin(address newAdmin) internal {
        emit AdminChanged(getAdmin(), newAdmin);
        _setAdmin(newAdmin);
    }

    /**
     * @dev The storage slot of the UpgradeableBeacon contract which defines the implementation for this proxy.
     * This is the keccak-256 hash of "eip1967.proxy.beacon" subtracted by 1.
     */
    // solhint-disable-next-line private-vars-leading-underscore
    bytes32 internal constant BEACON_SLOT = 0xa3f0ad74e5423aebfd80d3ef4346578335a9a72aeaee59ff6cb3582b35133d50;

    /**
     * @dev Returns the current beacon.
     */
    function getBeacon() internal view returns (address) {
        return StorageSlot.getAddressSlot(BEACON_SLOT).value;
    }

    /**
     * @dev Stores a new beacon in the EIP1967 beacon slot.
     */
    function _setBeacon(address newBeacon) private {
        if (newBeacon.code.length == 0) {
            revert ERC1967InvalidBeacon(newBeacon);
        }

        StorageSlot.getAddressSlot(BEACON_SLOT).value = newBeacon;

        address beaconImplementation = IBeacon(newBeacon).implementation();
        if (beaconImplementation.code.length == 0) {
            revert ERC1967InvalidImplementation(beaconImplementation);
        }
    }

    /**
     * @dev Change the beacon and trigger a setup call if data is nonempty.
     * This function is payable only if the setup call is performed, otherwise `msg.value` is rejected
     * to avoid stuck value in the contract.
     *
     * Emits an {IERC1967-BeaconUpgraded} event.
     *
     * CAUTION: Invoking this function has no effect on an instance of {BeaconProxy} since v5, since
     * it uses an immutable beacon without looking at the value of the ERC-1967 beacon slot for
     * efficiency.
     */
    function upgradeBeaconToAndCall(address newBeacon, bytes memory data) internal {
        _setBeacon(newBeacon);
        emit BeaconUpgraded(newBeacon);

        if (data.length > 0) {
            Address.functionDelegateCall(IBeacon(newBeacon).implementation(), data);
        } else {
            _checkNonPayable();
        }
    }

    /**
     * @dev Reverts if `msg.value` is not zero. It can be used to avoid `msg.value` stuck in the contract
     * if an upgrade doesn't perform an initialization call.
     */
    function _checkNonPayable() private {
        if (msg.value > 0) {
            revert ERC1967NonPayable();
        }
    }
}

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

pragma solidity ^0.8.20;

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

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

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

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

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

pragma solidity ^0.8.20;

/**
 * @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in
 * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612].
 *
 * Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by
 * presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't
 * need to send a transaction, and thus is not required to hold Ether at all.
 *
 * ==== Security Considerations
 *
 * There are two important considerations concerning the use of `permit`. The first is that a valid permit signature
 * expresses an allowance, and it should not be assumed to convey additional meaning. In particular, it should not be
 * considered as an intention to spend the allowance in any specific way. The second is that because permits have
 * built-in replay protection and can be submitted by anyone, they can be frontrun. A protocol that uses permits should
 * take this into consideration and allow a `permit` call to fail. Combining these two aspects, a pattern that may be
 * generally recommended is:
 *
 * ```solidity
 * function doThingWithPermit(..., uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s) public {
 *     try token.permit(msg.sender, address(this), value, deadline, v, r, s) {} catch {}
 *     doThing(..., value);
 * }
 *
 * function doThing(..., uint256 value) public {
 *     token.safeTransferFrom(msg.sender, address(this), value);
 *     ...
 * }
 * ```
 *
 * Observe that: 1) `msg.sender` is used as the owner, leaving no ambiguity as to the signer intent, and 2) the use of
 * `try/catch` allows the permit to fail and makes the code tolerant to frontrunning. (See also
 * {SafeERC20-safeTransferFrom}).
 *
 * Additionally, note that smart contract wallets (such as Argent or Safe) are not able to produce permit signatures, so
 * contracts should have entry points that don't rely on permit.
 */
interface IERC20Permit {
    /**
     * @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens,
     * given ``owner``'s signed approval.
     *
     * IMPORTANT: The same issues {IERC20-approve} has related to transaction
     * ordering also apply here.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     * - `deadline` must be a timestamp in the future.
     * - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner`
     * over the EIP712-formatted function arguments.
     * - the signature must use ``owner``'s current nonce (see {nonces}).
     *
     * For more information on the signature format, see the
     * https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP
     * section].
     *
     * CAUTION: See Security Considerations above.
     */
    function permit(
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external;

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

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

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

pragma solidity ^0.8.20;

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

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

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

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

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

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

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

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

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

pragma solidity ^0.8.20;

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

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

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

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

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

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

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

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

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

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

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

        bytes memory returndata = address(token).functionCall(data);
        if (returndata.length != 0 && !abi.decode(returndata, (bool))) {
            revert SafeERC20FailedOperation(address(token));
        }
    }

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

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

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

pragma solidity ^0.8.20;

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

/**
 * @dev Required interface of an ERC721 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 ERC721 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 ERC721
     * 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/Address.sol)

pragma solidity ^0.8.20;

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

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

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

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://consensys.net/diligence/blog/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.8.20/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        if (address(this).balance < amount) {
            revert AddressInsufficientBalance(address(this));
        }

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

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain `call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason or custom error, it is bubbled
     * up by this function (like regular Solidity function calls). However, if
     * the call reverted with no returned reason, this function reverts with a
     * {FailedInnerCall} error.
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     */
    function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
        if (address(this).balance < value) {
            revert AddressInsufficientBalance(address(this));
        }
        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResultFromTarget(target, success, returndata);
    }

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

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

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

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

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

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

pragma solidity ^0.8.20;

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

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

pragma solidity ^0.8.20;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (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 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);
    }
}

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

pragma solidity ^0.8.20;

/**
 * @dev Library for reading and writing primitive types to specific storage slots.
 *
 * Storage slots are often used to avoid storage conflict when dealing with upgradeable contracts.
 * This library helps with reading and writing to such slots without the need for inline assembly.
 *
 * The functions in this library return Slot structs that contain a `value` member that can be used to read or write.
 *
 * Example usage to set ERC1967 implementation slot:
 * ```solidity
 * contract ERC1967 {
 *     bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;
 *
 *     function _getImplementation() internal view returns (address) {
 *         return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;
 *     }
 *
 *     function _setImplementation(address newImplementation) internal {
 *         require(newImplementation.code.length > 0);
 *         StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;
 *     }
 * }
 * ```
 */
library StorageSlot {
    struct AddressSlot {
        address value;
    }

    struct BooleanSlot {
        bool value;
    }

    struct Bytes32Slot {
        bytes32 value;
    }

    struct Uint256Slot {
        uint256 value;
    }

    struct StringSlot {
        string value;
    }

    struct BytesSlot {
        bytes value;
    }

    /**
     * @dev Returns an `AddressSlot` with member `value` located at `slot`.
     */
    function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `BooleanSlot` with member `value` located at `slot`.
     */
    function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `Bytes32Slot` with member `value` located at `slot`.
     */
    function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `Uint256Slot` with member `value` located at `slot`.
     */
    function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `StringSlot` with member `value` located at `slot`.
     */
    function getStringSlot(bytes32 slot) internal pure returns (StringSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `StringSlot` representation of the string storage pointer `store`.
     */
    function getStringSlot(string storage store) internal pure returns (StringSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := store.slot
        }
    }

    /**
     * @dev Returns an `BytesSlot` with member `value` located at `slot`.
     */
    function getBytesSlot(bytes32 slot) internal pure returns (BytesSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `BytesSlot` representation of the bytes storage pointer `store`.
     */
    function getBytesSlot(bytes storage store) internal pure returns (BytesSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := store.slot
        }
    }
}

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

pragma solidity ^0.8.20;

import {Math} from "../math/Math.sol";
import {SafeCast} from "../math/SafeCast.sol";

/**
 * @dev This library provides helpers for manipulating time-related objects.
 *
 * It uses the following types:
 * - `uint48` for timepoints
 * - `uint32` for durations
 *
 * While the library doesn't provide specific types for timepoints and duration, it does provide:
 * - a `Delay` type to represent duration that can be programmed to change value automatically at a given point
 * - additional helper functions
 */
library Time {
    using Time for *;

    /**
     * @dev Get the block timestamp as a Timepoint.
     */
    function timestamp() internal view returns (uint48) {
        return SafeCast.toUint48(block.timestamp);
    }

    /**
     * @dev Get the block number as a Timepoint.
     */
    function blockNumber() internal view returns (uint48) {
        return SafeCast.toUint48(block.number);
    }

    // ==================================================== Delay =====================================================
    /**
     * @dev A `Delay` is a uint32 duration that can be programmed to change value automatically at a given point in the
     * future. The "effect" timepoint describes when the transitions happens from the "old" value to the "new" value.
     * This allows updating the delay applied to some operation while keeping some guarantees.
     *
     * In particular, the {update} function guarantees that if the delay is reduced, the old delay still applies for
     * some time. For example if the delay is currently 7 days to do an upgrade, the admin should not be able to set
     * the delay to 0 and upgrade immediately. If the admin wants to reduce the delay, the old delay (7 days) should
     * still apply for some time.
     *
     *
     * The `Delay` type is 112 bits long, and packs the following:
     *
     * ```
     *   | [uint48]: effect date (timepoint)
     *   |           | [uint32]: value before (duration)
     *   ↓           ↓       ↓ [uint32]: value after (duration)
     * 0xAAAAAAAAAAAABBBBBBBBCCCCCCCC
     * ```
     *
     * NOTE: The {get} and {withUpdate} functions operate using timestamps. Block number based delays are not currently
     * supported.
     */
    type Delay is uint112;

    /**
     * @dev Wrap a duration into a Delay to add the one-step "update in the future" feature
     */
    function toDelay(uint32 duration) internal pure returns (Delay) {
        return Delay.wrap(duration);
    }

    /**
     * @dev Get the value at a given timepoint plus the pending value and effect timepoint if there is a scheduled
     * change after this timepoint. If the effect timepoint is 0, then the pending value should not be considered.
     */
    function _getFullAt(Delay self, uint48 timepoint) private pure returns (uint32, uint32, uint48) {
        (uint32 valueBefore, uint32 valueAfter, uint48 effect) = self.unpack();
        return effect <= timepoint ? (valueAfter, 0, 0) : (valueBefore, valueAfter, effect);
    }

    /**
     * @dev Get the current value plus the pending value and effect timepoint if there is a scheduled change. If the
     * effect timepoint is 0, then the pending value should not be considered.
     */
    function getFull(Delay self) internal view returns (uint32, uint32, uint48) {
        return _getFullAt(self, timestamp());
    }

    /**
     * @dev Get the current value.
     */
    function get(Delay self) internal view returns (uint32) {
        (uint32 delay, , ) = self.getFull();
        return delay;
    }

    /**
     * @dev Update a Delay object so that it takes a new duration after a timepoint that is automatically computed to
     * enforce the old delay at the moment of the update. Returns the updated Delay object and the timestamp when the
     * new delay becomes effective.
     */
    function withUpdate(
        Delay self,
        uint32 newValue,
        uint32 minSetback
    ) internal view returns (Delay updatedDelay, uint48 effect) {
        uint32 value = self.get();
        uint32 setback = uint32(Math.max(minSetback, value > newValue ? value - newValue : 0));
        effect = timestamp() + setback;
        return (pack(value, newValue, effect), effect);
    }

    /**
     * @dev Split a delay into its components: valueBefore, valueAfter and effect (transition timepoint).
     */
    function unpack(Delay self) internal pure returns (uint32 valueBefore, uint32 valueAfter, uint48 effect) {
        uint112 raw = Delay.unwrap(self);

        valueAfter = uint32(raw);
        valueBefore = uint32(raw >> 32);
        effect = uint48(raw >> 64);

        return (valueBefore, valueAfter, effect);
    }

    /**
     * @dev pack the components into a Delay object.
     */
    function pack(uint32 valueBefore, uint32 valueAfter, uint48 effect) internal pure returns (Delay) {
        return Delay.wrap((uint112(effect) << 64) | (uint112(valueBefore) << 32) | uint112(valueAfter));
    }
}

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

import "../debt/IDebtController.sol";
import "../vaults/IWasabiVault.sol";
import "../router/IWasabiRouter.sol";
import "../util/IPartnerFeeManager.sol";

interface IAddressProvider {

    /// @dev Returns the debt controller
    function getDebtController() external view returns (IDebtController);

    /// @dev Returns the Wasabi router
    function getWasabiRouter() external view returns (IWasabiRouter);

    /// @dev Returns the fee receiver address
    function getFeeReceiver() external view returns (address);

    /// @dev Returns the WETH address
    function getWethAddress() external view returns (address);

     /// @dev Returns the fee receiver address
    function getLiquidationFeeReceiver() external view returns (address);

    /// @dev Returns the staking account factory address
    function getStakingAccountFactory() external view returns (address);

    /// @dev Returns the partner fee manager
    function getPartnerFeeManager() external view returns (IPartnerFeeManager);
}

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

import "@openzeppelin/contracts-upgradeable/proxy/utils/UUPSUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/access/manager/AccessManagerUpgradeable.sol";

contract PerpManager is UUPSUpgradeable, AccessManagerUpgradeable {
    event AuthorizedSignerChanged(
        address indexed trader,
        address indexed signer,
        bool isAuthorized
    );

    mapping(address trader => mapping(address signer => bool isAuthorized)) private _isAuthorizedSigner;

    /// @custom:oz-upgrades-unsafe-allow constructor
    constructor() {
        _disableInitializers();
    }

    /// @dev initializer for proxy
    function initialize() public virtual initializer {
        __AccessManager_init(msg.sender);
    }

    /// @inheritdoc UUPSUpgradeable
    function _authorizeUpgrade(address) internal view override {
        isAdmin(msg.sender);
    }

    /// @dev check if account is admin
    function isAdmin(address account) public view {
        checkRole(ADMIN_ROLE, account);
    }

    /// @dev check if account has the given role
    /// @param roleId role id
    /// @param account account address
    function checkRole(uint64 roleId, address account) public view {
        (bool hasRole, ) = hasRole(roleId, account);
        if (!hasRole) revert AccessManagerUnauthorizedAccount(account, roleId);
    }

    /// @notice check if a signer is authorized to sign for a trader
    /// @param trader address of the account to sign on behalf of
    /// @param signer address of the signer
    /// @return isAuthorized true if the signer is authorized to sign for the trader, false otherwise
    function isAuthorizedSigner(address trader, address signer) public view returns (bool) {
        return _isAuthorizedSigner[trader][signer];
    }

    /// @notice Authorize or deauthorize a signer for a trader
    /// @param signer address of the signer to authorize or deauthorize
    /// @param isAuthorized true to authorize the signer, false to deauthorize
    function setAuthorizedSigner(address signer, bool isAuthorized) public {
        _isAuthorizedSigner[msg.sender][signer] = isAuthorized;
        emit AuthorizedSignerChanged(msg.sender, signer, isAuthorized);
    }
}

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

library Roles {
    uint64 public constant LIQUIDATOR_ROLE = 100;
    uint64 public constant ORDER_SIGNER_ROLE = 101;
    uint64 public constant ORDER_EXECUTOR_ROLE = 102;
    uint64 public constant VAULT_ADMIN_ROLE = 103;
}

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

interface IDebtController {
    /// @dev Returns the maximum leverage
    /// @notice The maximum leverage is a percentage, e.g. 3x leverage = 300
    function maxLeverage() external view returns (uint256);

    /// @dev Computes the maximum interest
    /// @param _tokenAddress the token address
    /// @param _principal the principal borrowed
    /// @param _lastFundingTimestamp the timestamp where the loan was last funded
    /// @return maxInterest the maximum interest amount to pay for the loan
    function computeMaxInterest(
        address _tokenAddress,
        uint256 _principal,
        uint256 _lastFundingTimestamp
    ) external view returns(uint256 maxInterest);

    /// @dev Computes the maximum principal
    /// @param _collateralToken the collateral token address
    /// @param _principalToken the principal token address
    /// @param _downPayment the down payment the trader is paying
    /// @return maxPrincipal the maximum principal allowed to be borrowed
    function computeMaxPrincipal(
        address _collateralToken,
        address _principalToken,
        uint256 _downPayment
    ) external view returns (uint256 maxPrincipal);

    /// @dev Returns the liquidation fee bps
    function getLiquidationFeeBps(address, address) external view returns (uint256);

    /// @dev Returns the liquidation fee for a given down payment
    function getLiquidationFee(uint256 _downPayment, address, address) external view returns (uint256);

    // function computeLiquidationThreshold(
    //     address _collateralToken,
    //     address _principalToken,
    //     uint256 _collateralAmount
    // ) external view returns (uint256 liquidationThreshold);
}

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

import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/token/ERC721/IERC721.sol";
import "./vaults/IWasabiVault.sol";

interface IWasabiPerps {

    error LiquidationThresholdNotReached(); // 0xc4d82e43
    error InvalidSignature(); // 0x8baa579f
    error PositionAlreadyTaken(); // 0xe168e4db
    error SwapFunctionNeeded(); // 0xac8da8e3
    error OrderExpired(); // 0xc56873ba
    error InvalidOrder(); // 0xaf610693
    error PriceTargetNotReached(); // 0x5d5ce003
    error InvalidCurrency(); // 0xf5993428
    error InvalidTargetCurrency(); // 0x0415b9ce
    error InsufficientAmountProvided(); // 0xf948951e
    error PrincipalTooHigh(); // 0xd7cdb444
    error InsufficientPrincipalUsed(); // 0xb1084a42
    error InsufficientPrincipalRepaid(); // 0xb0f8fc9b
    error InsufficientCollateralReceived(); // 0x406220a9
    error InsufficientInterest(); // 0x0ffe80f0
    error TooMuchCollateralSpent(); // 0x1cbf0b89
    error SenderNotTrader(); // 0x79184208
    error InvalidPosition(); // 0xce7e065e
    error EthTransferFailed(uint256 amount, address _target); // 0xf733a609
    error InvalidVault(); // 0xd03a6320
    error VaultAlreadyExists(); // 0x04aabf33
    error ValueDeviatedTooMuch(); // 0x604e9173
    error EthReceivedForNonEthCurrency(); // 0x94427663
    error InvalidInterestAmount(); // 0xe749867e
    error InvalidInput(); // 0xb4fa3fb3

    event PositionOpened(
        uint256 positionId,
        address trader,
        address currency,
        address collateralCurrency,
        uint256 downPayment,
        uint256 principal,
        uint256 collateralAmount,
        uint256 feesToBePaid
    );

    event PositionClosed(
        uint256 id,
        address trader,
        uint256 payout,
        uint256 principalRepaid,
        uint256 interestPaid,
        uint256 feeAmount
    );

    event PositionClosedWithOrder(
        uint256 id,
        address trader,
        uint8 orderType,
        uint256 payout,
        uint256 principalRepaid,
        uint256 interestPaid,
        uint256 feeAmount
    );

    event PositionLiquidated(
        uint256 id,
        address trader,
        uint256 payout,
        uint256 principalRepaid,
        uint256 interestPaid,
        uint256 feeAmount
    );

    event PositionIncreased(
        uint256 id,
        address trader,
        uint256 downPaymentAdded,
        uint256 principalAdded,
        uint256 collateralAdded,
        uint256 feesAdded
    );

    event PositionDecreased(
        uint256 id,
        address trader,
        uint256 payout,
        uint256 principalRepaid,
        uint256 interestPaid,
        uint256 closeFee,
        uint256 pastFees,
        uint256 collateralReduced,
        uint256 downPaymentReduced
    );

    event PositionDecreasedWithOrder(
        uint256 id,
        address trader,
        uint8 orderType,
        uint256 payout,
        uint256 principalRepaid,
        uint256 interestPaid,
        uint256 closeFee,
        uint256 pastFees,
        uint256 collateralReduced,
        uint256 downPaymentReduced
    );

    event CollateralAdded(
        uint256 id,
        address trader,
        uint256 downPaymentAdded,
        uint256 collateralAdded,
        uint256 principalReduced,
        uint256 interestPaid
    );

    event CollateralRemoved(
        uint256 id,
        address trader,
        uint256 downPaymentReduced,
        uint256 collateralReduced,
        uint256 principalAdded
    );

    event NativeYieldClaimed(
        address vault,
        address token,
        uint256 amount
    );

    event InterestPaid(
        uint256 id,
        uint256 interestPaid,
        uint256 principalAdded,
        uint256 collateralReduced,
        uint256 downPaymentReduced
    );

    /// @dev Emitted when a new vault is created
    event NewVault(address indexed pool, address indexed asset, address vault);

    /// @dev Flag specifying whether to send WETH to the trader, send ETH to the trader, or deposit WETH to the vault
    enum PayoutType {
        WRAPPED,
        UNWRAPPED,
        VAULT_DEPOSIT
    }

    /// @dev Defines a function call
    struct FunctionCallData {
        address to;
        uint256 value;
        bytes data;
    }

    /// @dev Defines a position
    /// @param id The unique identifier for the position.
    /// @param trader The address of the trader who opened the position.
    /// @param currency The address of the currency to be paid for the position.
    /// @param collateralCurrency The address of the currency to be received for the position.
    /// @param lastFundingTimestamp The timestamp of the last funding payment.
    /// @param downPayment The initial down payment amount required to open the position (is in `currency` for long, `collateralCurrency` for short positions)
    /// @param principal The total principal amount to be borrowed for the position (is in `currency`)
    /// @param collateralAmount The total collateral amount to be received for the position (is in `collateralCurrency`)
    /// @param feesToBePaid The total fees to be paid for the position (is in `currency`)
    struct Position {
        uint256 id;
        address trader;
        address currency;
        address collateralCurrency;
        uint256 lastFundingTimestamp;
        uint256 downPayment;
        uint256 principal;
        uint256 collateralAmount;
        uint256 feesToBePaid;
    }

    /// @dev Defines a request to open a position.
    /// @param id The unique identifier for the position.
    /// @param currency The address of the currency to be paid for the position.
    /// @param targetCurrency The address of the currency to be received for the position.
    /// @param downPayment The initial down payment amount required to open the position (is in `currency` for long, `collateralCurrency` for short positions)
    /// @param principal The total principal amount to be borrowed for the position.
    /// @param minTargetAmount The minimum amount of target currency to be received for the position to be valid.
    /// @param expiration The timestamp when this position request expires.
    /// @param fee The fee to be paid for the position
    /// @param functionCallDataList A list of FunctionCallData structures representing functions to call to open the position.
    /// @param existingPosition The existing position to be increased, or an empty position if a new position is to be opened.
    /// @param referrer The address of the partner that referred the trader
    struct OpenPositionRequest {
        uint256 id;
        address currency;
        address targetCurrency;
        uint256 downPayment;
        uint256 principal;
        uint256 minTargetAmount;
        uint256 expiration;
        uint256 fee;
        FunctionCallData[] functionCallDataList;
        Position existingPosition;
        address referrer;
    }

    /// @dev Defines a request to add collateral to a position.
    /// @param amount The amount of collateral to add.
    /// @param interest The interest to be paid for the position.
    /// @param expiration The timestamp when this request expires.
    /// @param position The position to add collateral to.
    struct AddCollateralRequest {
        uint256 amount;
        uint256 interest;
        uint256 expiration;
        Position position;
    }

    /// @dev Defines a request to remove collateral from a position.
    /// @param amount The amount of collateral to remove.
    /// @param expiration The timestamp when this request expires.
    /// @param position The position to remove collateral from.
    struct RemoveCollateralRequest {
        uint256 amount;
        uint256 expiration;
        Position position;
    }

    /// @dev Defines the amounts to be paid when closing a position.
    /// @param payout The amount to be paid to the trader.
    /// @param collateralSold The amount of the collateral used to swap for principal.
    /// @param principalRepaid The amount of the principal to be repaid.
    /// @param interestPaid The amount of the interest to be paid.
    /// @param pastFees The amount of past fees to be paid.
    /// @param closeFee The amount of the close fee to be paid.
    /// @param liquidationFee The amount of the liquidation fee to be paid.
    /// @param downPaymentReduced The amount by which the down payment was reduced.
    /// @param collateralReduced The total amount by which the collateral was reduced. Not the same as `collateralSold` for shorts.
    struct CloseAmounts {
        uint256 payout;
        uint256 collateralSold;
        uint256 principalRepaid;
        uint256 interestPaid;
        uint256 pastFees;
        uint256 closeFee;
        uint256 liquidationFee;
        uint256 downPaymentReduced;
        uint256 collateralReduced;
    }

    /// @dev Defines an order to close a position.
    /// @param orderType The type of the order (0 = Take Profit, 1 = Stop Loss)
    /// @param positionId The unique identifier for the position.
    /// @param createdAt The timestamp when this order was created.
    /// @param expiration The timestamp when this order expires.
    /// @param makerAmount The amount that will be sold from the position (is in `position.collateralCurrency`)
    /// @param takerAmount The amount that will be bought to close the position (is in `position.currency`)
    /// @param executionFee The amount of the execution fee to be paid. (gas)
    struct ClosePositionOrder {
        uint8 orderType;
        uint256 positionId;
        uint256 createdAt;
        uint256 expiration;
        uint256 makerAmount;
        uint256 takerAmount;
        uint256 executionFee;
    }

    /// @dev Defines a request to close a position.
    /// @param expiration The timestamp when this position request expires.
    /// @param interest The interest to be paid for the position.
    /// @param amount The amount of collateral to sell (for longs) or amount of principal to buy back (for shorts), or 0 to fully close the position.
    /// @param position The position to be closed.
    /// @param functionCallDataList A list of FunctionCallData structures representing functions to call to close the position.
    /// @param referrer The address of the partner that referred the trader
    struct ClosePositionRequest {
        uint256 expiration;
        uint256 interest;
        uint256 amount;
        Position position;
        FunctionCallData[] functionCallDataList;
        address referrer;
    }

    /// @dev Defines the arguments needed for the internal close position function.
    /// @param _interest the interest amount to be paid
    /// @param _amount the amount of collateral to sell (for longs) or amount of principal to buy back (for shorts), or 0 to fully close the position.
    /// @param _executionFee the execution fee
    /// @param _payoutType whether to send WETH to the trader, send ETH, or deposit WETH to the vault
    /// @param _isLiquidation flag indicating if the close is a liquidation
    /// @param _referrer the address of the partner that referred the trader
    struct ClosePositionInternalArgs {
        uint256 _interest;
        uint256 _amount;
        uint256 _executionFee;
        PayoutType _payoutType;
        bool _isLiquidation;
        address _referrer;
    }

    /// @dev Defines a signature
    struct Signature {
        uint8 v;
        bytes32 r;
        bytes32 s;
    }

    /// @dev Opens a position
    /// @param _request the request to open a position
    /// @param _signature the signature of the request
    function openPosition(
        OpenPositionRequest calldata _request,
        Signature calldata _signature
    ) external payable returns (Position memory);

    /// @dev Opens a position on behalf of a user
    /// @param _request the request to open a position
    /// @param _signature the signature of the request
    /// @param _trader the address of the user for whom the position is opened
    function openPositionFor(
        OpenPositionRequest calldata _request,
        Signature calldata _signature,
        address _trader
    ) external payable returns (Position memory);

    /// @dev Adds collateral to a position
    /// @param _request the request to add collateral
    /// @param _signature the signature of the request
    function addCollateral(
        AddCollateralRequest calldata _request,
        Signature calldata _signature
    ) external payable returns (Position memory);

    /// @dev Removes collateral from a position
    /// @param _request the request to remove collateral
    /// @param _signature the signature of the request
    function removeCollateral(
        RemoveCollateralRequest calldata _request,
        Signature calldata _signature
    ) external payable returns (Position memory);

    /// @dev Closes a position
    /// @param _payoutType whether to send WETH to the trader, send ETH, or deposit WETH to the vault
    /// @param _request the request to close a position
    /// @param _signature the signature of the request
    function closePosition(
        PayoutType _payoutType,
        ClosePositionRequest calldata _request,
        Signature calldata _signature
    ) external payable;

    /// @dev Closes a position
    /// @param _payoutType whether to send WETH to the trader, send ETH, or deposit WETH to the vault
    /// @param _request the request to close a position
    /// @param _signature the signature of the request, signed by the ORDER_SIGNER_ROLE
    /// @param _order the order to close the position
    /// @param _orderSignature the signature of the order, signed by the owner of the position
    function closePosition(
        PayoutType _payoutType,
        ClosePositionRequest calldata _request,
        Signature calldata _signature,
        ClosePositionOrder calldata _order,
        Signature calldata _orderSignature
    ) external payable;

    /// @dev Liquidates a position
    /// @param _payoutType whether to send WETH to the trader, send ETH, or deposit WETH to the vault
    /// @param _interest the interest to be paid
    /// @param _position the position to liquidate
    /// @param _swapFunctions the swap functions to use to liquidate the position
    /// @param _referrer the address of the partner that referred the trader
    function liquidatePosition(
        PayoutType _payoutType,
        uint256 _interest,
        Position calldata _position,
        FunctionCallData[] calldata _swapFunctions,
        address _referrer
    ) external payable;

    /// @dev Records interest for a position and updates the position
    /// @notice Only callable by the InterestRecorder contract
    /// @param _positions the positions to record interest for
    /// @param _interests the interests to record
    /// @param _swapFunctions the swap functions to use for short positions
    function recordInterest(Position[] calldata _positions, uint256[] calldata _interests, FunctionCallData[] calldata _swapFunctions) external;

    /// @dev Returns the vault used for the given asset
    function getVault(address _asset) external view returns (IWasabiVault);

    /// @dev Adds a new vault
    function addVault(IWasabiVault _vault) external;

    /// @dev Adds a new quote token
    function addQuoteToken(address _token) external;
}

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

import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import "./weth/IWETH.sol";
import {IWasabiPerps} from "./IWasabiPerps.sol";

library PerpUtils {
    using Address for address;
    using SafeERC20 for IERC20;

    /// @dev Pays ETH to a given address
    /// @param _amount The amount to pay
    /// @param _target The address to pay to
    function payETH(uint256 _amount, address _target) internal {
        if (_amount > 0) {
            (bool sent, ) = payable(_target).call{value: _amount}("");
            if (!sent) {
                revert IWasabiPerps.EthTransferFailed(_amount, _target);
            }
        }
    }

    /// @dev Computes the close fee for a position by looking at the position size
    /// @param _position the position to compute the close fee for
    /// @param _size the size to close
    /// @param _isLong whether the position is long or short
    function computeCloseFee(
        IWasabiPerps.Position calldata _position,
        uint256 _size,
        bool _isLong
    ) internal pure returns(uint256) {
        uint256 denominator = _position.feesToBePaid + (
            _isLong ? _position.downPayment + _position.principal : _position.collateralAmount
        );
        return (_size * _position.feesToBePaid) / denominator;
    }

    /// @dev Receives payment from a given address
    /// @param _currency the currency to receive
    /// @param _amount the amount to receive
    /// @param _wethAddress the WETH address
    /// @param _sender the address to receive from
    function receivePayment(
        address _currency,
        uint256 _amount,
        address _wethAddress,
        address _sender
    ) internal {
        if (msg.value > 0) {
            if (_currency != _wethAddress) revert IWasabiPerps.InvalidCurrency();
            if (msg.value != _amount) revert IWasabiPerps.InsufficientAmountProvided();
            wrapWETH(_wethAddress);
        } else {
            IERC20(_currency).safeTransferFrom(_sender, address(this), _amount);
        }
    }

    /// @dev Wraps the whole ETH in this contract
    function wrapWETH(address _wethAddress) internal {
        IWETH weth = IWETH(_wethAddress);
        weth.deposit{value: address(this).balance}();
    }

    /// @dev Executes a given list of functions and returns the balance changes
    /// @param _marketplaceCallData List of marketplace calldata
    /// @param _tokenIn the token to swap from
    /// @param _tokenOut the token to swap to
    /// @return amountIn the amount of tokenIn swapped
    /// @return amountOut the amount of tokenOut received
    function executeSwapFunctions(
        IWasabiPerps.FunctionCallData[] memory _marketplaceCallData,
        IERC20 _tokenIn,
        IERC20 _tokenOut
    ) internal returns (uint256 amountIn, uint256 amountOut) {
        amountIn = _tokenIn.balanceOf(address(this));
        amountOut = _tokenOut.balanceOf(address(this));
        uint256 length = _marketplaceCallData.length;
        for (uint256 i; i < length; ++i) {
            IWasabiPerps.FunctionCallData memory functionCallData = _marketplaceCallData[i];
            functionCallData.to.functionCallWithValue(functionCallData.data, functionCallData.value);
        }
        amountIn = amountIn - _tokenIn.balanceOf(address(this));
        amountOut = _tokenOut.balanceOf(address(this)) - amountOut;
    }

    /// @dev Deducts the given amount from the total amount
    /// @param _amount the amount to deduct from
    /// @param _deductAmount the amount to deduct
    /// @return remaining the remaining amount
    /// @return deducted the total deducted
    function deduct(uint256 _amount, uint256 _deductAmount) internal pure returns(uint256 remaining, uint256 deducted) {
        if (_amount > _deductAmount) {
            remaining = _amount - _deductAmount;
            deducted = _deductAmount;
        } else {
            remaining = 0;
            deducted = _amount;
        }
    }
}

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

import "../IWasabiPerps.sol";
import "../weth/IWETH.sol";

interface IWasabiRouter {

    event SwapRouterUpdated(address _oldSwapRouter, address _newSwapRouter);
    event WithdrawFeeUpdated(uint256 _oldFeeBips, uint256 _newFeeBips);

    error InvalidSignature(); // 0x8baa579f
    error InvalidPool(); // 0x2083cd40
    error InvalidETHReceived(); // 0x3daee882
    error InvalidFeeBips(); // 0x82c96382
    error FeeReceiverNotSet(); // 0x0b37568b

    /// @dev Opens a position using the caller's vault deposits
    /// @param _pool The pool to open the position on
    /// @param _request The request to open the position
    /// @param _signature The signature for the request (from ORDER_SIGNER_ROLE)
    function openPosition(
        IWasabiPerps _pool,
        IWasabiPerps.OpenPositionRequest calldata _request,
        IWasabiPerps.Signature calldata _signature
    ) external;

    /// @dev Opens a position on behalf of a trader using their vault deposits
    /// @param _pool The pool to open the position on
    /// @param _request The request to open the position
    /// @param _signature The signature for the request (from ORDER_SIGNER_ROLE, validated by the pool)
    /// @param _traderSignature The signature from the trader (derived from request with empty `functionCallDataList`, validated by the router to recover the trader's address)
    /// @param _executionFee The fee to be paid to the order executor
    function openPosition(
        IWasabiPerps _pool,
        IWasabiPerps.OpenPositionRequest calldata _request,
        IWasabiPerps.Signature calldata _signature,
        IWasabiPerps.Signature calldata _traderSignature,
        uint256 _executionFee
    ) external;

    /// @dev Adds collateral to a position on behalf of a trader using their vault deposits
    /// @param _pool The pool to add collateral to
    /// @param _request The request to add collateral
    /// @param _signature The signature for the request (from ORDER_SIGNER_ROLE)
    function addCollateral(
        IWasabiPerps _pool,
        IWasabiPerps.AddCollateralRequest calldata _request,
        IWasabiPerps.Signature calldata _signature
    ) external;
    
    /// @dev Withdraws assets from one vault, swaps and deposits them into another vault on the sender's behalf
    /// @param _amount The amount of `_tokenIn` to withdraw
    /// @param _tokenIn The asset to withdraw and swap
    /// @param _tokenOut The asset to swap for and deposit
    /// @param _swapCalldata The encoded calldata to send to the swap router
    function swapVaultToVault(
        uint256 _amount,
        address _tokenIn,
        address _tokenOut,
        bytes calldata _swapCalldata
    ) external;

    /// @dev Withdraws assets from a vault on the sender's behalf, swaps for another asset and sends the output to the sender
    /// @param _amount The amount of `_tokenIn` to withdraw
    /// @param _tokenIn The asset to withdraw and swap
    /// @param _tokenOut The asset to swap for and send to the user
    /// @param _swapCalldata The encoded calldata to send to the swap router
    function swapVaultToToken(
        uint256 _amount,
        address _tokenIn,
        address _tokenOut,
        bytes calldata _swapCalldata
    ) external;

    /// @dev Transfers assets in from the sender, swaps for another asset and deposits the output into the corresponding vault
    /// @param _amount The amount of `_tokenIn` to transfer from the user
    /// @param _tokenIn The asset to transfer from the user and swap, or the zero address for swapping native ETH
    /// @param _tokenOut The asset to swap for and deposit
    /// @param _swapCalldata The encoded calldata to send to the swap router
    function swapTokenToVault(
        uint256 _amount,
        address _tokenIn,
        address _tokenOut,
        bytes calldata _swapCalldata
    ) external payable;
    
    /// @dev Transfers any assets stuck in the contract to the admin
    /// @param _token The token to sweep, or the zero address to sweep ETH
    function sweepToken(address _token) external;

    /// @dev Updates the address of the swap router contract
    /// @param _newSwapRouter The address of the new swap router to use
    function setSwapRouter(
        address _newSwapRouter
    ) external;

    /// @dev Updates the address of the WETH contract
    /// @param _newWETH The WETH contract
    function setWETH(
        IWETH _newWETH
    ) external;

    /// @dev Sets the address that receives fees for withdrawing from a vault w/o swapping
    /// @param _newFeeReceiver The fee receiver address
    function setFeeReceiver(
        address _newFeeReceiver
    ) external;

    /// @dev Updates the fee percentage charged for withdrawing from a vault w/o swapping
    /// @param _feeBips The new fee percentage in basis points
    function setWithdrawFeeBips(
        uint256 _feeBips
    ) external;
}

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

interface IStrategy {
    error OnlyVault();

    /// @dev The vault that the strategy is attached to
    function vault() external view returns (address);

    /// @dev The asset that the strategy deposits and withdraws
    function asset() external view returns (address);

    /// @dev The collateral asset that the strategy holds
    function collateralAsset() external view returns (address);

    /// @dev Deposits the asset into the strategy
    /// @notice The vault should transfer the asset to the strategy before calling this function
    /// @param amount The amount of asset to deposit
    /// @return collateral The collateral asset that the strategy holds
    /// @return collateralIncreased The amount of collateral that the strategy received
    function deposit(uint256 amount) external returns (address collateral, uint256 collateralIncreased);

    /// @dev Withdraws the asset from the strategy
    /// @param amount The amount of collateral to withdraw
    /// @return collateral The collateral asset that the strategy holds
    /// @return collateralSold The amount of collateral that the strategy sold
    function withdraw(uint256 amount) external returns (address collateral, uint256 collateralSold);

    /// @dev Gets the interest earned since the last time interest was claimed
    /// @param lastObservedAmount The current strategy debt stored in the vault
    /// @return interestReceived The amount to increment the strategy debt by
    function getNewInterest(uint256 lastObservedAmount) external view returns (uint256 interestReceived);

    /// @dev Returns the current APR of the strategy, expressed in bps
    function getAPR() external view returns (uint256);
}

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

interface IPartnerFeeManager {
    error AddressNotPartner();
    error CallerNotPool();
    error InvalidFeeShareBips();

    event FeesAccrued(address indexed partner, address indexed feeToken, uint256 amount);
    event FeesClaimed(address indexed partner, address indexed feeToken, uint256 amount);

    /// @dev Returns true if the given address is a partner
    /// @param partner the address to check 
    /// @return true if the given address is a partner, false otherwise
    function isPartner(address partner) external view returns (bool);

    /// @dev Returns the accrued fees for the given partner and fee token
    /// @param partner the partner to get accrued fees for
    /// @param feeToken the fee token to get accrued fees for
    /// @return the accrued fees for the given partner and fee token
    function getAccruedFees(address partner, address feeToken) external view returns (uint256);

    /// @dev Computes the portion of the total fees that will be paid to the given partner
    /// @param partner the partner to compute fees for
    /// @param totalFees the total fees for the trade
    /// @return the partner fees for the given partner and total fees
    function computePartnerFees(address partner, uint256 totalFees) external view returns (uint256);

    /// @dev Accrues fees for the given partner and fee token
    /// @param partner the partner to accrue fees to
    /// @param feeToken the fee token to accrue fees in
    /// @param partnerFees the fees to accrue to the partner
    function accrueFees(address partner, address feeToken, uint256 partnerFees) external;

    /// @dev Claims fees for the given fee tokens if the caller is a partner
    /// @param feeTokens the fee tokens to claim
    function claimFees(address[] calldata feeTokens) external;

    /// @dev Sets the partner fee share percentage
    /// @param partner the partner to set the fee share for
    /// @param feeShareBips the fee share in basis points
    function setFeeShareBips(address partner, uint256 feeShareBips) external;

    /// @dev Adds fees to the accrued fees for the given partner and fee token
    /// @param partner the partner to accrue fees to
    /// @param feeToken the fee token to accrue fees in
    /// @param amount the amount of fees to accrue to the partner
    function adminAddFees(address partner, address feeToken, uint256 amount) external;
}

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

import "@openzeppelin/contracts/interfaces/IERC4626.sol";

interface IWasabiVault is IERC4626  {
    error AlreadyMigrated(); // 0xca1c3cbc
    error PrincipalTooHigh(); // 0xd7cdb444
    error InsufficientAvailablePrincipal(); // 0x836ee0c2
    error InsufficientPrincipalRepaid(); // 0xb0f8fc9b
    error CannotClaimNonYieldBearingAsset(address _asset); // 0x4cfaa278
    error EthTransferFailed(); // 0x6d963f88
    error CannotDepositEth(); // 0x2e15428f
    error CallerNotPool(); // 0xe9211597
    error InvalidEthAmount(); // 0x0772327b
    error InvalidAmount(); // 0x2c5211c6
    error NoDustToClean(); // 0x37e34f38
    error AmountExceedsDebt(); // 0x64ddcf37
    error InvalidStrategy(); // 0x4e236e9a
    error InterestFeeTooHigh(); // 0x8e395cd1

    event NativeYieldClaimed(
        address token,
        uint256 amount
    );

    event DepositCapUpdated(
        uint256 newDepositCap
    );

    event InterestFeeBipsUpdated(
        uint256 newInterestFeeBips
    );

    event InterestReceived(
        uint256 interestReceived,
        uint256 interestFeeShares,
        address feeReceiver
    );

    event StrategyDeposit(
        address strategy,
        address collateral,
        uint256 amountDeposited,
        uint256 collateralReceived
    );

    event StrategyWithdraw(
        address strategy,
        address collateral,
        uint256 amountWithdraw,
        uint256 collateralSold
    );

    event StrategyClaim(
        address strategy,
        address collateral,
        uint256 amount
    );

    /// @dev Deposits ETH into the vault (only WETH vault)
    function depositEth(address receiver) external payable returns (uint256);
    
    /// @dev Returns the long or short pool address
    /// @param _long True for long, false for short
    function getPoolAddress(bool _long) external view returns (address);

    /// @dev Returns the current deposit cap
    function getDepositCap() external view returns (uint256);

    /// @dev Called by the pools to borrow assets when a position is opened
    /// @param _amount The amount of assets to borrow
    function borrow(uint256 _amount) external;

    /// @dev Called by the pools to repay assets when a position is closed
    /// @param _totalRepaid The amount of assets being repaid
    /// @param _principal The amount original principal borrowed
    /// @param _isLiquidation Flag to indicate if the repayment is due to liquidation and can cause bad debt
    function recordRepayment(uint256 _totalRepaid, uint256 _principal, bool _isLiquidation) external;

    /// @dev Called by the admin to deposit assets from this vault into a strategy
    /// @param _strategy The address of the strategy account
    /// @param _depositAmount The amount of assets to deposit into the strategy
    function strategyDeposit(address _strategy, uint256 _depositAmount) external;

    /// @dev Called by the admin to withdraw assets from a strategy back to this vault
    /// @param _strategy The address of the strategy
    /// @param _withdrawAmount The amount of assets to withdraw from the strategy
    function strategyWithdraw(address _strategy, uint256 _withdrawAmount) external;

    /// @dev Called by the admin to record interest earned from a strategy, without paying it out yet
    /// @param _strategy The address of the strategy
    function strategyClaim(address _strategy) external;

    /// @dev Called by the admin to donate assets to the vault, which is recorded as interest
    /// @param _amount The amount of assets to donate
    function donate(uint256 _amount) external;

    /// @dev Called by the admin to remove any leftover assets if `totalSupply` is 0 and `totalAssetValue` is > 0
    function cleanDust() external;

    /// @dev Validates that the leverage is within the maximum allowed by the DebtController
    /// @param _downPayment The down payment amount
    /// @param _total The total value of the position in the same currency as the down payment
    /// @notice For shorts, _total is the collateral amount, for longs it is the down payment + principal
    function checkMaxLeverage(uint256 _downPayment, uint256 _total) external view;

    /// @dev Sets the cap on the amount of assets that can be deposited by all users
    /// @param _newDepositCap The new deposit cap
    function setDepositCap(uint256 _newDepositCap) external;

    /// @dev Sets the fee charged on interest in basis points
    /// @param _newInterestFeeBips The new interest fee in basis points
    function setInterestFeeBips(uint256 _newInterestFeeBips) external;
}

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

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

interface IWETH is IERC20 {
    function deposit() external payable;
    function withdraw(uint) external;
}

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

• No Contract Security Audit Submitted- Submit Audit Here

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