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

import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/security/Pausable.sol";
import "@openzeppelin/contracts/security/ReentrancyGuard.sol";
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/token/ERC20/extensions/IERC20Permit.sol";
import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import "@openzeppelin/contracts/utils/cryptography/ECDSA.sol";

import {IPerpVault} from "../interfaces/IPerpVault.sol";

interface IArbSys {
    function withdrawEth(address destination) external payable returns (uint256);
}

interface IL2Gateway {
    function outboundTransfer(address _l1Token, address _to, uint256 _amount, bytes calldata _data)
        external
        returns (bytes memory);
}

/// @title SpotVault
/// @notice Two-of-two multisignature vault supporting ETH and ERC20 deposits with optional permit flows.
/// @dev Signer set can be updated by the owner; withdrawals require unanimous approval from both signers.
contract SpotVault is ReentrancyGuard, Ownable, Pausable {
    using SafeERC20 for IERC20;

    uint256 private constant SIGNER_COUNT = 2;
    uint256 private constant SIGNATURE_THRESHOLD = 2;
    address private constant NATIVE_TOKEN = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;

    IArbSys private immutable ARBSYS;
    IL2Gateway private immutable L2_GATEWAY;

    /// @notice Emitted when a user deposits funds into the vault.
    event Deposit(address indexed from, address indexed token, uint256 amount, uint256 accountId);
    /// @notice Emitted when a user deposits funds into the vault by permit.
    event DepositWithPermit(address indexed from, address indexed token, uint256 amount);
    /// @notice Emitted when a withdrawal is executed.
    event Withdraw(
        uint256 indexed clientWithdrawId,
        address indexed token,
        address indexed to,
        uint256 amount,
        bool isWithdrawToArb
    );
    /// @notice Emitted when funds are transferred to PerpVault.
    event TransferToPerp(
        uint256 indexed clientWithdrawId,
        address indexed token,
        address indexed perpVault,
        uint256 amount,
        uint256 toAccountId,
        uint256 starkKey
    );
    /// @notice Emitted whenever the authorized signer set changes.
    event SignersConfigured(address indexed signer0, address indexed signer1);
    /// @notice Emitted when the withdraw-to-Arb switch is toggled.
    event WithdrawToArbStatusUpdated(bool enabled);
    /// @notice Emitted when the owner rescues funds.
    event EmergencyWithdraw(address indexed token, address indexed to, uint256 amount);
    /// @notice Emitted when a cross-chain token mapping is added or updated.
    event CrossChainTokenAddressAdded(address indexed edgeToken, address indexed arbToken);
    /// @notice Emitted when the PerpVault destination is updated.
    event PerpVaultUpdated(address indexed previousPerpVault, address indexed newPerpVault);

    /// @dev Error definitions provide precise failure reasons for wallet operations.
    error InvalidSignerCount(uint256 provided, uint256 expected);
    error ZeroSignerAddress(uint256 index);
    error DuplicateSigner(address signer);
    error UnexpectedNativeValue(uint256 provided);
    error InvalidNativeAmount(uint256 expected, uint256 provided);
    error SignatureLengthMismatch(uint256 signers, uint256 signatures);
    error InsufficientSigners(uint256 provided, uint256 required);
    error TransactionExpired(uint256 expiration, uint256 current);
    error SignerMismatch(uint256 index, address expected, address actual);
    error SignerNotAuthorized(address signer);
    error OrderAlreadyExecuted(bytes32 withdrawalHash);
    error NativeTransferFailed(address to, uint256 amount);
    error NativeTokenNotSupported();
    error ZeroPerpVault();
    error UnsupportedToken(address token);
    error InvalidUserSignature(address expected, address actual);
    error WithdrawToArbDisabled();
    error ZeroOwner();
    error ZeroRecipient();
    error InsufficientBalance(uint256 available, uint256 requested);
    error ZeroTokenAddress();
    error ZeroCrossChainContract();
    error CrossChainTokenAddressMissing(address edgeToken);
    error WithdrawToArbNotEnabled();
    error TransferAmountMismatch(uint256 expected, uint256 actual);

    struct WithdrawalOrder {
        address to;
        uint256 amount;
        address token;
        bool executed;
    }

    /// @notice Current list of authorized signers.
    address[] public signers;
    /// @dev Tracks whether an address is an authorized signer for constant-time lookups.
    mapping(address => bool) private signerStatus;
    /// @dev Records processed withdrawal orders to prevent replay.
    mapping(bytes32 => WithdrawalOrder) private orders;
    /// @dev Token address mapping between EDGE and ARB
    mapping(address edgeTokenAddress => address arbTokenAddress) private crossChainTokenAddressMap;
    /// @notice Flag controlling whether withdraw to ARB are allowed.
    bool public enableWithdrawToArb;
    /// @notice Destination PerpVault used for cross-product transfers.
    address public perpVault = address(0);

    /// @notice Deploys the vault with an exact set of two unique signers.
    /// @param allowedSigners The signer addresses that control the vault.
    /// @param edgeUsdc Token address on Edge network to seed the cross-chain map.
    /// @param arbUsdc Token address on Arbitrum network corresponding to `edgeUsdc`.
    /// @param arbSys Address of the ArbSys precompile on the deployment network.
    /// @param l2Gateway Address of the Arbitrum L2 gateway contract used for outbound transfers.
    /// @param owner_ Address that will receive ownership of the vault controls.
    constructor(
        address[] memory allowedSigners,
        address edgeUsdc,
        address arbUsdc,
        address arbSys,
        address l2Gateway,
        address owner_
    ) {
        _setSigners(allowedSigners);
        if (owner_ == address(0)) {
            revert ZeroOwner();
        }

        if (edgeUsdc == address(0) || arbUsdc == address(0)) {
            revert ZeroTokenAddress();
        }

        if (arbSys == address(0) || l2Gateway == address(0)) {
            revert ZeroCrossChainContract();
        }

        ARBSYS = IArbSys(arbSys);
        L2_GATEWAY = IL2Gateway(l2Gateway);

        enableWithdrawToArb = true;
        crossChainTokenAddressMap[edgeUsdc] = arbUsdc;
        emit CrossChainTokenAddressAdded(edgeUsdc, arbUsdc);
        _transferOwnership(owner_);
    }

    /// @notice Accepts plain ETH transfers.
    receive() external payable {}

    /// @notice Deposits ETH or ERC20 tokens into the vault.
    /// @dev When depositing ETH, `token` must equal the sentinel native token address.
    /// @param token Address of the asset to deposit (native sentinel for ETH).
    /// @param amount Amount of tokens or wei to deposit.
    /// @param accountId Off-chain account identifier emitted for indexing.
    function deposit(address token, uint256 amount, uint256 accountId) external payable nonReentrant whenNotPaused {
        if (_isNative(token)) {
            if (msg.value != amount) {
                revert InvalidNativeAmount(amount, msg.value);
            }
        } else {
            if (msg.value != 0) {
                revert UnexpectedNativeValue(msg.value);
            }
            IERC20 tokenContract = IERC20(token);
            uint256 balanceBefore = tokenContract.balanceOf(address(this));
            tokenContract.safeTransferFrom(msg.sender, address(this), amount);
            uint256 received = tokenContract.balanceOf(address(this)) - balanceBefore;
            if (received != amount) {
                revert TransferAmountMismatch(amount, received);
            }
        }

        emit Deposit(msg.sender, token, amount, accountId);
    }

    /// @notice Deposits ERC20 tokens using EIP-2612 permit authorization.
    /// @param token Address of the ERC20 token supporting permit.
    /// @param amount Amount of tokens to transfer.
    /// @param owner Token owner granting approval via permit.
    /// @param deadline Permit expiration timestamp.
    /// @param v Signature v component.
    /// @param r Signature r component.
    /// @param s Signature s component.
    function depositErc20WithPermit(
        address token,
        uint256 amount,
        address owner,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external nonReentrant whenNotPaused {
        if (_isNative(token)) {
            revert NativeTokenNotSupported();
        }

        IERC20Permit(token).permit(owner, address(this), amount, deadline, v, r, s);
        IERC20 tokenContract = IERC20(token);
        uint256 balanceBefore = tokenContract.balanceOf(address(this));
        tokenContract.safeTransferFrom(owner, address(this), amount);
        uint256 received = tokenContract.balanceOf(address(this)) - balanceBefore;
        if (received != amount) {
            revert TransferAmountMismatch(amount, received);
        }

        emit DepositWithPermit(owner, token, amount);
    }

    /// @notice Executes a withdrawal after verifying the provided signatures.
    /// @param to Recipient of the withdrawal.
    /// @param amount Amount of tokens or wei to withdraw.
    /// @param token Asset being withdrawn.
    /// @param expireTime Absolute timestamp after which the withdrawal is invalid.
    /// @param clientWithdrawId Unique order identifier preventing replay.
    /// @param allSigners Signers corresponding to each provided signature.
    /// @param signatures Signatures authorizing the withdrawal.
    function withdraw(
        address to,
        uint256 amount,
        address token,
        uint256 expireTime,
        uint256 clientWithdrawId,
        bool isWithdrawToArb,
        address[] memory allSigners,
        bytes[] memory signatures
    ) external nonReentrant whenNotPaused {
        if (to == address(0)) {
            revert ZeroRecipient();
        }

        uint256 signerCount = allSigners.length;

        if (signerCount < SIGNATURE_THRESHOLD) {
            revert InsufficientSigners(signerCount, SIGNATURE_THRESHOLD);
        }

        if (signerCount != signatures.length) {
            revert SignatureLengthMismatch(signerCount, signatures.length);
        }

        _ensureDistinctSigners(allSigners);

        if (expireTime < block.timestamp) {
            revert TransactionExpired(expireTime, block.timestamp);
        }

        bytes32 operationHash =
            withdrawalSigHash(to, amount, token, expireTime, clientWithdrawId, block.chainid, isWithdrawToArb);
        bytes32 ethSignedHash = ECDSA.toEthSignedMessageHash(operationHash);

        for (uint256 index = 0; index < signerCount; ++index) {
            address expectedSigner = allSigners[index];
            address recoveredSigner = ECDSA.recover(ethSignedHash, signatures[index]);

            if (recoveredSigner != expectedSigner) {
                revert SignerMismatch(index, expectedSigner, recoveredSigner);
            }

            if (!signerStatus[recoveredSigner]) {
                revert SignerNotAuthorized(recoveredSigner);
            }
        }

        _recordOrder(operationHash, to, amount, token);

        if (isWithdrawToArb) {
            if (!enableWithdrawToArb) {
                revert WithdrawToArbNotEnabled();
            }

            if (_isNative(token)) {
                ARBSYS.withdrawEth{value: amount}(to);
            } else {
                address arbTokenAddress = crossChainTokenAddressMap[token];
                if (arbTokenAddress == address(0)) {
                    revert CrossChainTokenAddressMissing(token);
                }

                L2_GATEWAY.outboundTransfer(arbTokenAddress, to, amount, "");
            }
        } else {
            if (_isNative(token)) {
                _transferNative(to, amount);
            } else {
                IERC20(token).safeTransfer(to, amount);
            }
        }

        emit Withdraw(clientWithdrawId, token, to, amount, isWithdrawToArb);
    }

    /// @notice Transfers USDT from this SpotVault directly into a PerpVault position after signature checks.
    /// @dev Prevents router frontrunning by binding destination position to the signed payload.
    /// @param token Asset being transferred (must match PerpVault.USDT_ADDRESS()).
    /// @param amount Amount of tokens to transfer.
    /// @param expireTime Absolute timestamp after which the operation is invalid.
    /// @param clientWithdrawId Unique identifier preventing replay.
    /// @param toAccountId Target PerpVault position id.
    /// @param starkKey Stark key of the destination Perp account.
    /// @param allSigners Signers corresponding to each provided signature.
    /// @param signatures Signatures authorizing the transfer.
    function transferToPerp(
        address token,
        uint256 amount,
        uint256 expireTime,
        uint256 clientWithdrawId,
        uint256 toAccountId,
        uint256 starkKey,
        address[] memory allSigners,
        bytes[] memory signatures
    ) external nonReentrant whenNotPaused {
        if (perpVault == address(0)) {
            revert ZeroPerpVault();
        }

        if (!enableWithdrawToArb) {
            revert WithdrawToArbDisabled();
        }

        uint256 signerCount = allSigners.length;
        if (signerCount < SIGNATURE_THRESHOLD) {
            revert InsufficientSigners(signerCount, SIGNATURE_THRESHOLD);
        }

        if (signerCount != signatures.length) {
            revert SignatureLengthMismatch(signerCount, signatures.length);
        }

        _ensureDistinctSigners(allSigners);

        if (expireTime < block.timestamp) {
            revert TransactionExpired(expireTime, block.timestamp);
        }

        if (_isNative(token)) {
            revert NativeTokenNotSupported();
        }

        address usdt = IPerpVault(perpVault).USDT_ADDRESS();
        if (token != usdt) {
            revert UnsupportedToken(token);
        }

        bytes32 operationHash =
            transferToPerpSigHash(token, amount, expireTime, clientWithdrawId, toAccountId, starkKey, block.chainid);
        bytes32 ethSignedHash = ECDSA.toEthSignedMessageHash(operationHash);

        for (uint256 index = 0; index < signerCount; ++index) {
            address expectedSigner = allSigners[index];
            address recoveredSigner = ECDSA.recover(ethSignedHash, signatures[index]);

            if (recoveredSigner != expectedSigner) {
                revert SignerMismatch(index, expectedSigner, recoveredSigner);
            }

            if (!signerStatus[recoveredSigner]) {
                revert SignerNotAuthorized(recoveredSigner);
            }
        }

        _recordOrder(operationHash, perpVault, amount, token);

        IERC20(token).safeApprove(perpVault, 0);
        IERC20(token).safeApprove(perpVault, amount);

        IPerpVault(perpVault).deposit(IERC20(token), amount, starkKey, toAccountId, "");

        // Clear allowance to reduce residual approval surface area
        IERC20(token).safeApprove(perpVault, 0);

        emit TransferToPerp(clientWithdrawId, token, perpVault, amount, toAccountId, starkKey);
    }

    /// @notice Returns the hash that signers must authorize for a transfer to PerpVault.
    function transferToPerpSigHash(
        address token,
        uint256 amount,
        uint256 expireTime,
        uint256 clientWithdrawId,
        uint256 toAccountId,
        uint256 starkKey,
        uint256 chainId
    ) public view returns (bytes32) {
        return keccak256(
            abi.encodePacked(
                "TRANSFER_TO_PERP",
                perpVault,
                token,
                amount,
                expireTime,
                clientWithdrawId,
                toAccountId,
                starkKey,
                address(this),
                chainId
            )
        );
    }

    /// @notice Checks whether an address is part of the authorized signer set.
    function isAllowedSigner(address signer) public view returns (bool) {
        return signerStatus[signer];
    }

    /// @notice Returns the hash that signers must authorize for a withdrawal.
    function withdrawalSigHash(
        address to,
        uint256 amount,
        address token,
        uint256 expireTime,
        uint256 clientWithdrawId,
        uint256 chainId,
        bool isWithdrawToArb
    ) public view returns (bytes32) {
        return keccak256(
            abi.encodePacked(
                "ERC20", to, amount, token, expireTime, clientWithdrawId, address(this), chainId, isWithdrawToArb
            )
        );
    }

    /// @notice Allows the owner to toggle the withdraw-to-Arb feature.
    function setEnableWithdrawToArb(bool enabled) external onlyOwner {
        enableWithdrawToArb = enabled;
        emit WithdrawToArbStatusUpdated(enabled);
    }

    /// @notice Adds or updates a cross-chain token mapping.
    /// @param edgeToken Token address on the Edge network.
    /// @param arbToken Token address on Arbitrum.
    function addCrossChainTokenAddress(address edgeToken, address arbToken) external onlyOwner {
        if (edgeToken == address(0) || arbToken == address(0)) {
            revert ZeroTokenAddress();
        }

        crossChainTokenAddressMap[edgeToken] = arbToken;
        emit CrossChainTokenAddressAdded(edgeToken, arbToken);
    }

    /// @notice Allows the owner to update the destination PerpVault.
    function setPerpVault(address newPerpVault) external onlyOwner {
        _setPerpVault(newPerpVault);
    }

    /// @notice Allows the owner to rotate the signer set.
    /// @param newSigners Replacement signer list; must contain exactly two distinct non-zero addresses.
    function setSigners(address[] calldata newSigners) external onlyOwner {
        _setSigners(newSigners);
    }

    /// @notice Allows the owner to pause deposits and withdrawals.
    function pause() external onlyOwner {
        _pause();
    }

    /// @notice Allows the owner to resume deposits and withdrawals.
    function unpause() external onlyOwner {
        _unpause();
    }

    /// @notice Allows the owner to rescue either native ETH or ERC20 tokens.
    /// @param token Address of the asset to rescue (native sentinel for ETH).
    /// @param amount Amount to withdraw; withdraws full balance when zero.
    /// @param to Recipient of the rescued funds.
    function emergencyWithdraw(address token, uint256 amount, address to) external onlyOwner nonReentrant {
        if (to == address(0)) {
            revert ZeroRecipient();
        }

        uint256 transferAmount = amount;
        if (_isNative(token)) {
            uint256 balance = address(this).balance;
            if (transferAmount == 0) {
                transferAmount = balance;
            }
            if (transferAmount > balance) {
                revert InsufficientBalance(balance, transferAmount);
            }
            _transferNative(to, transferAmount);
        } else {
            uint256 balance = IERC20(token).balanceOf(address(this));
            if (transferAmount == 0) {
                transferAmount = balance;
            }
            if (transferAmount > balance) {
                revert InsufficientBalance(balance, transferAmount);
            }
            IERC20(token).safeTransfer(to, transferAmount);
        }

        emit EmergencyWithdraw(token, to, transferAmount);
    }

    /// @dev Records a withdrawal order and reverts if the identifier was already used.
    function _recordOrder(bytes32 orderHash, address to, uint256 amount, address token) private {
        WithdrawalOrder storage order = orders[orderHash];
        if (order.executed) {
            revert OrderAlreadyExecuted(orderHash);
        }

        order.executed = true;
        order.to = to;
        order.amount = amount;
        order.token = token;
    }

    /// @dev Checks whether the provided token denotes the configured native sentinel.
    function _isNative(address token) private pure returns (bool) {
        return token == NATIVE_TOKEN;
    }

    /// @dev Sends native ETH to the recipient and reverts if the transfer fails.
    function _transferNative(address to, uint256 amount) private {
        (bool success,) = to.call{value: amount}("");
        if (!success) {
            revert NativeTransferFailed(to, amount);
        }
    }

    /// @dev Updates the PerpVault destination after validating the address.
    function _setPerpVault(address newPerpVault) private {
        if (newPerpVault == address(0)) {
            revert ZeroPerpVault();
        }

        address previousPerpVault = perpVault;
        perpVault = newPerpVault;
        emit PerpVaultUpdated(previousPerpVault, newPerpVault);
    }

    /// @dev Updates the signer set and keeps the mapping in sync.
    function _setSigners(address[] memory allowedSigners) private {
        uint256 length = allowedSigners.length;
        if (length != SIGNER_COUNT) {
            revert InvalidSignerCount(length, SIGNER_COUNT);
        }

        _ensureDistinctSigners(allowedSigners);

        for (uint256 i = 0; i < signers.length; ++i) {
            signerStatus[signers[i]] = false;
        }

        delete signers;

        for (uint256 i = 0; i < length; ++i) {
            address signer = allowedSigners[i];
            if (signer == address(0)) {
                revert ZeroSignerAddress(i);
            }
            signers.push(signer);
            signerStatus[signer] = true;
        }

        emit SignersConfigured(signers[0], signers[1]);
    }

    /// @dev Ensures that the provided addresses are distinct.
    function _ensureDistinctSigners(address[] memory accounts) private pure {
        uint256 length = accounts.length;
        for (uint256 i = 0; i < length; ++i) {
            address current = accounts[i];
            for (uint256 j = i + 1; j < length; ++j) {
                if (current == accounts[j]) {
                    revert DuplicateSigner(current);
                }
            }
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (access/Ownable.sol)

pragma solidity ^0.8.0;

import "../utils/Context.sol";

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

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

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor() {
        _transferOwnership(_msgSender());
    }

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

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

    /**
     * @dev Throws if the sender is not the owner.
     */
    function _checkOwner() internal view virtual {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
    }

    /**
     * @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 {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        _transferOwnership(newOwner);
    }

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

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

pragma solidity ^0.8.0;

import "../utils/Context.sol";

/**
 * @dev Contract module which allows children to implement an emergency stop
 * mechanism that can be triggered by an authorized account.
 *
 * This module is used through inheritance. It will make available the
 * modifiers `whenNotPaused` and `whenPaused`, which can be applied to
 * the functions of your contract. Note that they will not be pausable by
 * simply including this module, only once the modifiers are put in place.
 */
abstract contract Pausable is Context {
    /**
     * @dev Emitted when the pause is triggered by `account`.
     */
    event Paused(address account);

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

    bool private _paused;

    /**
     * @dev Initializes the contract in unpaused state.
     */
    constructor() {
        _paused = false;
    }

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

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

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

    /**
     * @dev Throws if the contract is paused.
     */
    function _requireNotPaused() internal view virtual {
        require(!paused(), "Pausable: paused");
    }

    /**
     * @dev Throws if the contract is not paused.
     */
    function _requirePaused() internal view virtual {
        require(paused(), "Pausable: not paused");
    }

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (security/ReentrancyGuard.sol)

pragma solidity ^0.8.0;

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

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

    uint256 private _status;

    constructor() {
        _status = _NOT_ENTERED;
    }

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

    function _nonReentrantBefore() private {
        // On the first call to nonReentrant, _status will be _NOT_ENTERED
        require(_status != _ENTERED, "ReentrancyGuard: reentrant call");

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.4) (token/ERC20/extensions/IERC20Permit.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in
 * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612].
 *
 * Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by
 * presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't
 * need to send a transaction, and thus is not required to hold Ether at all.
 *
 * ==== 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 v4.9.3) (token/ERC20/utils/SafeERC20.sol)

pragma solidity ^0.8.0;

import "../IERC20.sol";
import "../extensions/IERC20Permit.sol";
import "../../../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 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.encodeWithSelector(token.transfer.selector, 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.encodeWithSelector(token.transferFrom.selector, from, to, value));
    }

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

    /**
     * @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);
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, oldAllowance + value));
    }

    /**
     * @dev Decrease the calling contract's allowance toward `spender` by `value`. If `token` returns no value,
     * non-reverting calls are assumed to be successful.
     */
    function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal {
        unchecked {
            uint256 oldAllowance = token.allowance(address(this), spender);
            require(oldAllowance >= value, "SafeERC20: decreased allowance below zero");
            _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, oldAllowance - value));
        }
    }

    /**
     * @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.encodeWithSelector(token.approve.selector, spender, value);

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

    /**
     * @dev Use a ERC-2612 signature to set the `owner` approval toward `spender` on `token`.
     * Revert on invalid signature.
     */
    function safePermit(
        IERC20Permit token,
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal {
        uint256 nonceBefore = token.nonces(owner);
        token.permit(owner, spender, value, deadline, v, r, s);
        uint256 nonceAfter = token.nonces(owner);
        require(nonceAfter == nonceBefore + 1, "SafeERC20: permit did not succeed");
    }

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

        bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
        require(returndata.length == 0 || abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
    }

    /**
     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
     * on the return value: the return value is optional (but if data is returned, it must not be false).
     * @param token The token targeted by the call.
     * @param data The call data (encoded using abi.encode or one of its variants).
     *
     * 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.isContract(address(token));
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/cryptography/ECDSA.sol)

pragma solidity ^0.8.0;

import "../Strings.sol";

/**
 * @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations.
 *
 * These functions can be used to verify that a message was signed by the holder
 * of the private keys of a given address.
 */
library ECDSA {
    enum RecoverError {
        NoError,
        InvalidSignature,
        InvalidSignatureLength,
        InvalidSignatureS,
        InvalidSignatureV // Deprecated in v4.8
    }

    function _throwError(RecoverError error) private pure {
        if (error == RecoverError.NoError) {
            return; // no error: do nothing
        } else if (error == RecoverError.InvalidSignature) {
            revert("ECDSA: invalid signature");
        } else if (error == RecoverError.InvalidSignatureLength) {
            revert("ECDSA: invalid signature length");
        } else if (error == RecoverError.InvalidSignatureS) {
            revert("ECDSA: invalid signature 's' value");
        }
    }

    /**
     * @dev Returns the address that signed a hashed message (`hash`) with
     * `signature` or error string. This address can then be used for verification purposes.
     *
     * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:
     * this function rejects them by requiring the `s` value to be in the lower
     * half order, and the `v` value to be either 27 or 28.
     *
     * IMPORTANT: `hash` _must_ be the result of a hash operation for the
     * verification to be secure: it is possible to craft signatures that
     * recover to arbitrary addresses for non-hashed data. A safe way to ensure
     * this is by receiving a hash of the original message (which may otherwise
     * be too long), and then calling {toEthSignedMessageHash} on it.
     *
     * Documentation for signature generation:
     * - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js]
     * - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers]
     *
     * _Available since v4.3._
     */
    function tryRecover(bytes32 hash, bytes memory signature) internal pure returns (address, RecoverError) {
        if (signature.length == 65) {
            bytes32 r;
            bytes32 s;
            uint8 v;
            // ecrecover takes the signature parameters, and the only way to get them
            // currently is to use assembly.
            /// @solidity memory-safe-assembly
            assembly {
                r := mload(add(signature, 0x20))
                s := mload(add(signature, 0x40))
                v := byte(0, mload(add(signature, 0x60)))
            }
            return tryRecover(hash, v, r, s);
        } else {
            return (address(0), RecoverError.InvalidSignatureLength);
        }
    }

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

    /**
     * @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately.
     *
     * See https://eips.ethereum.org/EIPS/eip-2098[EIP-2098 short signatures]
     *
     * _Available since v4.3._
     */
    function tryRecover(bytes32 hash, bytes32 r, bytes32 vs) internal pure returns (address, RecoverError) {
        bytes32 s = vs & bytes32(0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff);
        uint8 v = uint8((uint256(vs) >> 255) + 27);
        return tryRecover(hash, v, r, s);
    }

    /**
     * @dev Overload of {ECDSA-recover} that receives the `r and `vs` short-signature fields separately.
     *
     * _Available since v4.2._
     */
    function recover(bytes32 hash, bytes32 r, bytes32 vs) internal pure returns (address) {
        (address recovered, RecoverError error) = tryRecover(hash, r, vs);
        _throwError(error);
        return recovered;
    }

    /**
     * @dev Overload of {ECDSA-tryRecover} that receives the `v`,
     * `r` and `s` signature fields separately.
     *
     * _Available since v4.3._
     */
    function tryRecover(bytes32 hash, uint8 v, bytes32 r, bytes32 s) internal pure returns (address, RecoverError) {
        // EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature
        // unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines
        // the valid range for s in (301): 0 < s < secp256k1n ÷ 2 + 1, and for v in (302): v ∈ {27, 28}. Most
        // signatures from current libraries generate a unique signature with an s-value in the lower half order.
        //
        // If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value
        // with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or
        // vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept
        // these malleable signatures as well.
        if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) {
            return (address(0), RecoverError.InvalidSignatureS);
        }

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

        return (signer, RecoverError.NoError);
    }

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

    /**
     * @dev Returns an Ethereum Signed Message, created from a `hash`. This
     * produces hash corresponding to the one signed with the
     * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]
     * JSON-RPC method as part of EIP-191.
     *
     * See {recover}.
     */
    function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32 message) {
        // 32 is the length in bytes of hash,
        // enforced by the type signature above
        /// @solidity memory-safe-assembly
        assembly {
            mstore(0x00, "\x19Ethereum Signed Message:\n32")
            mstore(0x1c, hash)
            message := keccak256(0x00, 0x3c)
        }
    }

    /**
     * @dev Returns an Ethereum Signed Message, created from `s`. This
     * produces hash corresponding to the one signed with the
     * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]
     * JSON-RPC method as part of EIP-191.
     *
     * See {recover}.
     */
    function toEthSignedMessageHash(bytes memory s) internal pure returns (bytes32) {
        return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n", Strings.toString(s.length), s));
    }

    /**
     * @dev Returns an Ethereum Signed Typed Data, created from a
     * `domainSeparator` and a `structHash`. This produces hash corresponding
     * to the one signed with the
     * https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`]
     * JSON-RPC method as part of EIP-712.
     *
     * See {recover}.
     */
    function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32 data) {
        /// @solidity memory-safe-assembly
        assembly {
            let ptr := mload(0x40)
            mstore(ptr, "\x19\x01")
            mstore(add(ptr, 0x02), domainSeparator)
            mstore(add(ptr, 0x22), structHash)
            data := keccak256(ptr, 0x42)
        }
    }

    /**
     * @dev Returns an Ethereum Signed Data with intended validator, created from a
     * `validator` and `data` according to the version 0 of EIP-191.
     *
     * See {recover}.
     */
    function toDataWithIntendedValidatorHash(address validator, bytes memory data) internal pure returns (bytes32) {
        return keccak256(abi.encodePacked("\x19\x00", validator, data));
    }
}

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

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

/// @title IPerpVault
/// @notice Interface for PerpVault contract
interface IPerpVault {
    /// @notice Returns the USDT token address
    function USDT_ADDRESS() external view returns (address);

    /// @notice Make a deposit to the Starkware Layer2, after converting funds to USDT.
    /// @param token The ERC20 token to convert from
    /// @param amount The amount in Wei to deposit.
    /// @param starkKey The starkKey of the L2 account to deposit into.
    /// @param positionId The positionId of the L2 account to deposit into.
    /// @param exchangeData Trade parameters for the exchange.
    function deposit(IERC20 token, uint256 amount, uint256 starkKey, uint256 positionId, bytes calldata exchangeData)
        external
        payable
        returns (uint256);

    /// @notice Withdraw ERC20 from this wallet using 2 signers.
    /// @param to the destination address to send an outgoing transaction
    /// @param amount the amount in Wei to be sent
    /// @param token the address of the erc20 token contract
    /// @param expireTime the number of seconds since 1970 for which this transaction is valid
    /// @param orderId the unique order id
    /// @param allSigners all signer who sign the tx
    /// @param signatures the signatures of tx
    function withdrawErc20(
        address to,
        uint256 amount,
        address token,
        uint256 expireTime,
        uint256 orderId,
        address[] memory allSigners,
        bytes[] memory signatures
    ) external;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.4) (utils/Context.sol)

pragma solidity ^0.8.0;

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/Address.sol)

pragma solidity ^0.8.1;

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

        return account.code.length > 0;
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://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/v0.8.0/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

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

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

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

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

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

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

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

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

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

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/Strings.sol)

pragma solidity ^0.8.0;

import "./math/Math.sol";
import "./math/SignedMath.sol";

/**
 * @dev String operations.
 */
library Strings {
    bytes16 private constant _SYMBOLS = "0123456789abcdef";
    uint8 private constant _ADDRESS_LENGTH = 20;

    /**
     * @dev Converts a `uint256` to its ASCII `string` decimal representation.
     */
    function toString(uint256 value) internal pure returns (string memory) {
        unchecked {
            uint256 length = Math.log10(value) + 1;
            string memory buffer = new string(length);
            uint256 ptr;
            /// @solidity memory-safe-assembly
            assembly {
                ptr := add(buffer, add(32, length))
            }
            while (true) {
                ptr--;
                /// @solidity memory-safe-assembly
                assembly {
                    mstore8(ptr, byte(mod(value, 10), _SYMBOLS))
                }
                value /= 10;
                if (value == 0) break;
            }
            return buffer;
        }
    }

    /**
     * @dev Converts a `int256` to its ASCII `string` decimal representation.
     */
    function toString(int256 value) internal pure returns (string memory) {
        return string(abi.encodePacked(value < 0 ? "-" : "", toString(SignedMath.abs(value))));
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
     */
    function toHexString(uint256 value) internal pure returns (string memory) {
        unchecked {
            return toHexString(value, Math.log256(value) + 1);
        }
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.
     */
    function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {
        bytes memory buffer = new bytes(2 * length + 2);
        buffer[0] = "0";
        buffer[1] = "x";
        for (uint256 i = 2 * length + 1; i > 1; --i) {
            buffer[i] = _SYMBOLS[value & 0xf];
            value >>= 4;
        }
        require(value == 0, "Strings: hex length insufficient");
        return string(buffer);
    }

    /**
     * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation.
     */
    function toHexString(address addr) internal pure returns (string memory) {
        return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH);
    }

    /**
     * @dev Returns true if the two strings are equal.
     */
    function equal(string memory a, string memory b) internal pure returns (bool) {
        return keccak256(bytes(a)) == keccak256(bytes(b));
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/math/Math.sol)

pragma solidity ^0.8.0;

/**
 * @dev Standard math utilities missing in the Solidity language.
 */
library Math {
    enum Rounding {
        Down, // Toward negative infinity
        Up, // Toward infinity
        Zero // Toward zero
    }

    /**
     * @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 up instead
     * of rounding down.
     */
    function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {
        // (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; // Least significant 256 bits of the product
            uint256 prod1; // Most significant 256 bits of the product
            assembly {
                let mm := mulmod(x, y, not(0))
                prod0 := mul(x, y)
                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.
            require(denominator > prod1, "Math: mulDiv overflow");

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

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

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

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

            // Does not overflow because the denominator cannot be zero at this stage in the function.
            uint256 twos = denominator & (~denominator + 1);
            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 (rounding == Rounding.Up && 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 down.
     *
     * 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 + (rounding == Rounding.Up && result * result < a ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 2, rounded down, of a positive value.
     * 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 + (rounding == Rounding.Up && 1 << result < value ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 10, rounded down, of a positive value.
     * 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 + (rounding == Rounding.Up && 10 ** result < value ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 256, rounded down, of a positive value.
     * 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 + (rounding == Rounding.Up && 1 << (result << 3) < value ? 1 : 0);
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/math/SignedMath.sol)

pragma solidity ^0.8.0;

/**
 * @dev Standard signed math utilities missing in the Solidity language.
 */
library SignedMath {
    /**
     * @dev Returns the largest of two signed numbers.
     */
    function max(int256 a, int256 b) internal pure returns (int256) {
        return a > b ? a : b;
    }

    /**
     * @dev Returns the smallest of two signed numbers.
     */
    function min(int256 a, int256 b) internal pure returns (int256) {
        return a < b ? a : b;
    }

    /**
     * @dev Returns the average of two signed numbers without overflow.
     * The result is rounded towards zero.
     */
    function average(int256 a, int256 b) internal pure returns (int256) {
        // Formula from the book "Hacker's Delight"
        int256 x = (a & b) + ((a ^ b) >> 1);
        return x + (int256(uint256(x) >> 255) & (a ^ b));
    }

    /**
     * @dev Returns the absolute unsigned value of a signed value.
     */
    function abs(int256 n) internal pure returns (uint256) {
        unchecked {
            // must be unchecked in order to support `n = type(int256).min`
            return uint256(n >= 0 ? n : -n);
        }
    }
}

{
  "remappings": [
    "@solady/=lib/solady/src/",
    "ds-test/=lib/forge-std/lib/ds-test/src/",
    "forge-std/=lib/forge-std/src/",
    "@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/",
    "@openzeppelin/contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/contracts/",
    "@openzeppelin/=lib/openzeppelin-contracts/",
    "../interfaces/=src/interfaces/",
    "erc4626-tests/=lib/openzeppelin-contracts/lib/erc4626-tests/",
    "openzeppelin-contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/",
    "openzeppelin/=lib/openzeppelin-contracts/contracts/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "none",
    "appendCBOR": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "paris",
  "viaIR": false
}

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nputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"expireTime","type":"uint256"},{"internalType":"uint256","name":"clientWithdrawId","type":"uint256"},{"internalType":"uint256","name":"toAccountId","type":"uint256"},{"internalType":"uint256","name":"starkKey","type":"uint256"},{"internalType":"address[]","name":"allSigners","type":"address[]"},{"internalType":"bytes[]","name":"signatures","type":"bytes[]"}],"name":"transferToPerp","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"expireTime","type":"uint256"},{"internalType":"uint256","name":"clientWithdrawId","type":"uint256"},{"internalType":"uint256","name":"toAccountId","type":"uint256"},{"internalType":"uint256","name":"starkKey","type":"uint256"},{"internalType":"uint256","name":"chainId","type":"uint256"}],"name":"transferToPerpSigHash","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"unpause","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"expireTime","type":"uint256"},{"internalType":"uint256","name":"clientWithdrawId","type":"uint256"},{"internalType":"bool","name":"isWithdrawToArb","type":"bool"},{"internalType":"address[]","name":"allSigners","type":"address[]"},{"internalType":"bytes[]","name":"signatures","type":"bytes[]"}],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"expireTime","type":"uint256"},{"internalType":"uint256","name":"clientWithdrawId","type":"uint256"},{"internalType":"uint256","name":"chainId","type":"uint256"},{"internalType":"bool","name":"isWithdrawToArb","type":"bool"}],"name":"withdrawalSigHash","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"stateMutability":"payable","type":"receive"}]

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-----Decoded View---------------
Arg [0] : allowedSigners (address[]): 0x3213c89D1dC06389010af5f0691854C48B0cD182,0xA6CAAcFF361f7aad226A4DEa5e3CF28af07D773E
Arg [1] : edgeUsdc (address): 0xd8e20462EDCe38434616Cc6A6a560BB76B582ED8
Arg [2] : arbUsdc (address): 0xaf88d065e77c8cC2239327C5EDb3A432268e5831
Arg [3] : arbSys (address): 0x0000000000000000000000000000000000000064
Arg [4] : l2Gateway (address): 0x8BD5e5C114375f8A7A034f96fE2e67B31EEb48Ac
Arg [5] : owner_ (address): 0xA8f2D245E4e1c6CB9cFa6bF9037aBcB29E0b869c

-----Encoded View---------------
9 Constructor Arguments found :
Arg [0] : 00000000000000000000000000000000000000000000000000000000000000c0
Arg [1] : 000000000000000000000000d8e20462edce38434616cc6a6a560bb76b582ed8
Arg [2] : 000000000000000000000000af88d065e77c8cc2239327c5edb3a432268e5831
Arg [3] : 0000000000000000000000000000000000000000000000000000000000000064
Arg [4] : 0000000000000000000000008bd5e5c114375f8a7a034f96fe2e67b31eeb48ac
Arg [5] : 000000000000000000000000a8f2d245e4e1c6cb9cfa6bf9037abcb29e0b869c
Arg [6] : 0000000000000000000000000000000000000000000000000000000000000002
Arg [7] : 0000000000000000000000003213c89d1dc06389010af5f0691854c48b0cd182
Arg [8] : 000000000000000000000000a6caacff361f7aad226a4dea5e3cf28af07d773e