// SPDX-License-Identifier: LicenseRef-P3-DUAL
// For terms and conditions regarding commercial use please see https://license.premia.blue
pragma solidity 0.8.28;

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

import {HashData} from "../libraries/HashData.sol";

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

import {IClearingHouse} from "./IClearingHouse.sol";
import {InactiveWithdrawal} from "./InactiveWithdrawal.sol";

contract ClearingHouse is IClearingHouse, InactiveWithdrawal, SignatureValidation {
    using SafeERC20 for IERC20;

    IERC20 private immutable COLLATERAL;

    constructor(
        address admin,
        address relayer,
        IERC20 collateral
    ) InactiveWithdrawal(relayer, collateral) SignatureValidation(admin) {
        COLLATERAL = collateral;
    }

    /// @inheritdoc IClearingHouse
    function deposit(
        UserSignature calldata sigUser,
        Signature calldata sigProtocol,
        DepositArgs calldata depositArgs
    ) external nonReentrant {
        _revertIfZeroAddress(depositArgs.to);
        _revertIfZeroAmount(depositArgs.amount);

        _revertIfInvalidSignature(
            depositArgs.from,
            HashData.hashDepositOrWithdraw(
                sigUser,
                true,
                depositArgs.to,
                depositArgs.from,
                depositArgs.amount,
                depositArgs.pair
            ),
            sigUser.signature
        );

        _handleProtocolSignatureValidation(
            HashData.hashDepositOrWithdraw(
                sigProtocol,
                true,
                depositArgs.to,
                depositArgs.from,
                depositArgs.amount,
                depositArgs.pair
            ),
            sigProtocol
        );

        COLLATERAL.safeTransferFrom(depositArgs.from, address(this), depositArgs.amount);

        emit Deposit(depositArgs.to, depositArgs.from, depositArgs.pair, depositArgs.amount);
    }

    /// @inheritdoc IClearingHouse
    function withdraw(
        UserSignature calldata sigUser,
        Signature calldata sigProtocol,
        WithdrawArgs calldata withdrawArgs
    ) external nonReentrant {
        _revertIfZeroAddress(withdrawArgs.to);
        _revertIfZeroAmount(withdrawArgs.amount);

        _revertIfInvalidSignature(
            withdrawArgs.from,
            HashData.hashDepositOrWithdraw(
                sigUser,
                false,
                withdrawArgs.to,
                withdrawArgs.from,
                withdrawArgs.amount,
                withdrawArgs.pair
            ),
            sigUser.signature
        );

        _handleProtocolSignatureValidation(
            HashData.hashDepositOrWithdraw(
                sigProtocol,
                false,
                withdrawArgs.to,
                withdrawArgs.from,
                withdrawArgs.amount,
                withdrawArgs.pair
            ),
            sigProtocol
        );

        COLLATERAL.safeTransfer(withdrawArgs.to, withdrawArgs.amount);

        emit Withdraw(withdrawArgs.to, withdrawArgs.from, withdrawArgs.pair, withdrawArgs.amount);
    }

    /// @notice Reverts if `account` is the zero address
    function _revertIfZeroAddress(address account) internal pure {
        if (account == address(0)) revert ClearingHouse_ZeroAddress();
    }

    /// @notice Reverts if `amount` is zero
    function _revertIfZeroAmount(uint256 amount) internal pure {
        if (amount == 0) revert ClearingHouse_ZeroAmount();
    }
}

// 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 v5.1.0) (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 EIP-1153 (transient storage) is available on the chain you're deploying at,
 * consider using {ReentrancyGuardTransient} instead.
 *
 * TIP: If you would like to learn more about reentrancy and alternative ways
 * to protect against it, check out our blog post
 * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
 */
abstract contract 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 v5.1.0) (interfaces/IERC1271.sol)

pragma solidity ^0.8.20;

/**
 * @dev Interface of the ERC-1271 standard signature validation method for
 * contracts as defined in https://eips.ethereum.org/EIPS/eip-1271[ERC-1271].
 */
interface IERC1271 {
    /**
     * @dev Should return whether the signature provided is valid for the provided data
     * @param hash      Hash of the data to be signed
     * @param signature Signature byte array associated with _data
     */
    function isValidSignature(bytes32 hash, bytes memory signature) external view returns (bytes4 magicValue);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (interfaces/IERC1363.sol)

pragma solidity ^0.8.20;

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

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

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

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

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

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

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

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

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

pragma solidity ^0.8.20;

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

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

pragma solidity ^0.8.20;

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.20;

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

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

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

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

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

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (token/ERC20/utils/SafeERC20.sol)

pragma solidity ^0.8.20;

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

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

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

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

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

    /**
     * @dev Increase the calling contract's allowance toward `spender` by `value`. If `token` returns no value,
     * non-reverting calls are assumed to be successful.
     *
     * IMPORTANT: If the token implements ERC-7674 (ERC-20 with temporary allowance), and if the "client"
     * smart contract uses ERC-7674 to set temporary allowances, then the "client" smart contract should avoid using
     * this function. Performing a {safeIncreaseAllowance} or {safeDecreaseAllowance} operation on a token contract
     * that has a non-zero temporary allowance (for that particular owner-spender) will result in unexpected behavior.
     */
    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.
     *
     * IMPORTANT: If the token implements ERC-7674 (ERC-20 with temporary allowance), and if the "client"
     * smart contract uses ERC-7674 to set temporary allowances, then the "client" smart contract should avoid using
     * this function. Performing a {safeIncreaseAllowance} or {safeDecreaseAllowance} operation on a token contract
     * that has a non-zero temporary allowance (for that particular owner-spender) will result in unexpected behavior.
     */
    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.
     *
     * NOTE: If the token implements ERC-7674, this function will not modify any temporary allowance. This function
     * only sets the "standard" allowance. Any temporary allowance will remain active, in addition to the value being
     * set here.
     */
    function forceApprove(IERC20 token, address spender, uint256 value) internal {
        bytes memory approvalCall = abi.encodeCall(token.approve, (spender, value));

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

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

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

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

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (utils/Address.sol)

pragma solidity ^0.8.20;

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

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

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

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

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

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

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

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

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (utils/cryptography/ECDSA.sol)

pragma solidity ^0.8.20;

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

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

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

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

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

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

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

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

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

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

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (utils/cryptography/SignatureChecker.sol)

pragma solidity ^0.8.20;

import {ECDSA} from "./ECDSA.sol";
import {IERC1271} from "../../interfaces/IERC1271.sol";

/**
 * @dev Signature verification helper that can be used instead of `ECDSA.recover` to seamlessly support both ECDSA
 * signatures from externally owned accounts (EOAs) as well as ERC-1271 signatures from smart contract wallets like
 * Argent and Safe Wallet (previously Gnosis Safe).
 */
library SignatureChecker {
    /**
     * @dev Checks if a signature is valid for a given signer and data hash. If the signer is a smart contract, the
     * signature is validated against that smart contract using ERC-1271, otherwise it's validated using `ECDSA.recover`.
     *
     * NOTE: Unlike ECDSA signatures, contract signatures are revocable, and the outcome of this function can thus
     * change through time. It could return true at block N and false at block N+1 (or the opposite).
     */
    function isValidSignatureNow(address signer, bytes32 hash, bytes memory signature) internal view returns (bool) {
        if (signer.code.length == 0) {
            (address recovered, ECDSA.RecoverError err, ) = ECDSA.tryRecover(hash, signature);
            return err == ECDSA.RecoverError.NoError && recovered == signer;
        } else {
            return isValidERC1271SignatureNow(signer, hash, signature);
        }
    }

    /**
     * @dev Checks if a signature is valid for a given signer and data hash. The signature is validated
     * against the signer smart contract using ERC-1271.
     *
     * NOTE: Unlike ECDSA signatures, contract signatures are revocable, and the outcome of this function can thus
     * change through time. It could return true at block N and false at block N+1 (or the opposite).
     */
    function isValidERC1271SignatureNow(
        address signer,
        bytes32 hash,
        bytes memory signature
    ) internal view returns (bool) {
        (bool success, bytes memory result) = signer.staticcall(
            abi.encodeCall(IERC1271.isValidSignature, (hash, signature))
        );
        return (success &&
            result.length >= 32 &&
            abi.decode(result, (bytes32)) == bytes32(IERC1271.isValidSignature.selector));
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (utils/Errors.sol)

pragma solidity ^0.8.20;

/**
 * @dev Collection of common custom errors used in multiple contracts
 *
 * IMPORTANT: Backwards compatibility is not guaranteed in future versions of the library.
 * It is recommended to avoid relying on the error API for critical functionality.
 *
 * _Available since v5.1._
 */
library Errors {
    /**
     * @dev The ETH balance of the account is not enough to perform the operation.
     */
    error InsufficientBalance(uint256 balance, uint256 needed);

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (utils/introspection/IERC165.sol)

pragma solidity ^0.8.20;

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

// SPDX-License-Identifier: LGPL-3.0-or-later
// For terms and conditions regarding commercial use please see https://license.premia.blue
pragma solidity ^0.8.28;

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

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

interface IClearingHouse is ISignatureValidation {
    error ClearingHouse_ArrayLengthsMismatched();
    error ClearingHouse_ZeroAddress();
    error ClearingHouse_ZeroAmount();

    event Deposit(address indexed to, address indexed from, Pair pair, uint256 amount);
    event Withdraw(address indexed to, address indexed from, Pair pair, uint256 amount);

    struct Pair {
        // The base asset
        IERC20 base;
        // The quote asset
        IERC20 quote;
    }

    struct DepositArgs {
        // The address receiving the deposit
        address to;
        // The address depositing `amount`
        address from;
        // The amount deposited (6 decimals)
        uint256 amount;
        // The pair credited
        Pair pair;
    }

    struct WithdrawArgs {
        // The address receiving the withdrawal
        address to;
        // The address withdrawing `amount`
        address from;
        // The amount withdrawn (6 decimals)
        uint256 amount;
        // The pair debited
        Pair pair;
    }

    // @notice Deposit an amount of a token into `ClearingHouse`
    /// @param sigUser The signature of the user
    /// @param sigProtocol The signature of the protocol
    /// @param depositArgs Deposit argument struct, used to reduce stack depth
    function deposit(
        UserSignature calldata sigUser,
        Signature calldata sigProtocol,
        DepositArgs calldata depositArgs
    ) external;

    /// @notice Withdraw an amount of a token from `ClearingHouse`
    /// @param sigUser The signature of the user
    /// @param sigProtocol The signature of the protocol
    /// @param withdrawArgs Withdraw argument struct, used to reduce stack depth
    function withdraw(
        UserSignature calldata sigUser,
        Signature calldata sigProtocol,
        WithdrawArgs calldata withdrawArgs
    ) external;
}

// SPDX-License-Identifier: LGPL-3.0-or-later
// For terms and conditions regarding commercial use please see https://license.premia.blue
pragma solidity ^0.8.28;

interface IInactiveWithdrawal {
    error InactiveWithdrawal_MsgSenderNotRelayer();
    error InactiveWithdrawal_NotInactive();
    error InactiveWithdrawal_ZeroAmount();

    event InactiveWithdrawalAmountsUpdated(address[] accounts, uint256[] amounts, uint256 total);

    event InactiveWithdrawalSuccess(address indexed account, uint256 amount);

    /// @notice Update equity amounts for accounts. Only callable by the relayer.
    /// @param accounts The accounts to update
    /// @param amounts The amounts to set for each account
    function updateInactiveWithdrawalAmounts(address[] calldata accounts, uint256[] calldata amounts) external;

    /// @notice Returns the total amount accounted for in total, available for withdrawal in case of inactivity.
    ///         This can be compared to token balance of the contract for verification purpose
    function getInactiveWithdrawalTotal() external view returns (uint256);

    /// @notice Get the withdrawal equity amount for the given account, if contract becomes inactive.
    function getInactiveWithdrawalAmount(address account) external view returns (uint256);

    /// @notice Withdraw allocated equity from the inactive withdrawal contract. Only callable if inactive.
    function inactiveWithdrawal() external;
}

// SPDX-License-Identifier: UNLICENSED
pragma solidity 0.8.28;

import {IERC20} from "@openzeppelin/contracts/interfaces/IERC20.sol";
import {SafeERC20} from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import {ReentrancyGuardUpgradeable} from "@openzeppelin/contracts-upgradeable/utils/ReentrancyGuardUpgradeable.sol";

import {IInactiveWithdrawal} from "./IInactiveWithdrawal.sol";
import {InactiveWithdrawalStorage} from "./InactiveWithdrawalStorage.sol";

// Let users withdraw their equity from the contract if the contract becomes inactive.
abstract contract InactiveWithdrawal is IInactiveWithdrawal, ReentrancyGuardUpgradeable {
    using SafeERC20 for IERC20;

    uint256 private constant INACTIVE_DELAY = 30 days;
    address private immutable RELAYER;
    IERC20 private immutable COLLATERAL;

    constructor(address relayer, IERC20 collateral) {
        RELAYER = relayer;
        COLLATERAL = collateral;
    }

    // @inheritdoc IInactiveWithdrawal
    function updateInactiveWithdrawalAmounts(
        address[] calldata accounts,
        uint256[] calldata amounts
    ) external nonReentrant {
        _revertIfMsgSenderNotRelayer();

        InactiveWithdrawalStorage.Layout storage $ = InactiveWithdrawalStorage.layout();

        uint256 total = $.total;

        for (uint256 i = 0; i < accounts.length; i++) {
            address account = accounts[i];
            uint256 amount = amounts[i];

            uint256 previousAmount = $.amounts[account];
            total = total + amount - previousAmount;
            $.amounts[account] = amount;
        }

        $.total = total;
        $.lastUpdateTimestamp = block.timestamp;

        emit InactiveWithdrawalAmountsUpdated(accounts, amounts, total);
    }

    // @inheritdoc IInactiveWithdrawal
    function getInactiveWithdrawalTotal() external view returns (uint256) {
        return InactiveWithdrawalStorage.layout().total;
    }

    // @inheritdoc IInactiveWithdrawal
    function getInactiveWithdrawalAmount(address account) external view returns (uint256) {
        return InactiveWithdrawalStorage.layout().amounts[account];
    }

    // @inheritdoc IInactiveWithdrawal
    function inactiveWithdrawal() external nonReentrant {
        _revertIfNotInactive();

        InactiveWithdrawalStorage.Layout storage $ = InactiveWithdrawalStorage.layout();

        uint256 amount = $.amounts[msg.sender];
        if (amount == 0) revert InactiveWithdrawal_ZeroAmount();

        delete $.amounts[msg.sender];
        $.total -= amount;
        COLLATERAL.safeTransfer(msg.sender, amount);

        emit InactiveWithdrawalSuccess(msg.sender, amount);
    }

    function _revertIfNotInactive() internal view {
        if (InactiveWithdrawalStorage.layout().lastUpdateTimestamp + INACTIVE_DELAY > block.timestamp) {
            revert InactiveWithdrawal_NotInactive();
        }
    }

    function _revertIfMsgSenderNotRelayer() internal view {
        if (msg.sender != RELAYER) revert InactiveWithdrawal_MsgSenderNotRelayer();
    }
}

// SPDX-License-Identifier: LGPL-3.0-or-later
// For terms and conditions regarding commercial use please see https://license.premia.blue
pragma solidity ^0.8.28;

library InactiveWithdrawalStorage {
    // solhint-disable max-line-length
    // keccak256(abi.encode(uint256(keccak256("premia.contracts.storage.InactiveWithdrawal")) - 1)) & ~bytes32(uint256(0xff))
    bytes32 internal constant STORAGE_SLOT = 0x485f19e8579a45ae2ad3a7bba9fcb0ca2811febe4da08488f5c42f3456bca400;

    /// @custom:storage-location erc7201:premia.contracts.storage.InactiveWithdrawal
    struct Layout {
        mapping(address account => uint256) amounts;
        uint256 total;
        uint256 lastUpdateTimestamp;
    }

    function layout() internal pure returns (Layout storage $) {
        assembly {
            $.slot := STORAGE_SLOT
        }
    }
}

// SPDX-License-Identifier: LGPL-3.0-or-later
// For terms and conditions regarding commercial use please see https://license.premia.blue
pragma solidity ^0.8.28;

interface ISignatureValidation {
    error SignatureValidation_InvalidNonce(bytes32 nonce);
    error SignatureValidation_InvalidSignature(address signer, bytes32 hash, bytes signature);
    error SignatureValidation_MsgSenderNotAdmin();
    error SignatureValidation_SignatureExpired(uint256 blockTimestamp, uint256 sigDeadline);

    event UpdateAuthorizedSigner(address indexed authorizedSigner);

    struct UserSignature {
        uint256 deadline; // for off-chain use only
        bytes signature;
    }

    struct Signature {
        bytes32 nonce;
        uint256 deadline;
        bytes signature;
    }

    /// @notice Returns whether a nonce is valid
    /// @return Whether a nonce is valid
    function isValidNonce(bytes32 nonce) external view returns (bool);

    /// @notice Returns the authorized signer
    /// @return The authorized signer
    function getAuthorizedSigner() external view returns (address);

    /// @notice Update the authorized signer. Only callable by admin.
    /// @param newAuthorizedSigner The new authorized signer
    function updateAuthorizedSigner(address newAuthorizedSigner) external;

    /// @notice Invalidate the current nonce
    /// @param sigProtocol The signature of the protocol
    function invalidateNonce(Signature calldata sigProtocol) external;
}

// SPDX-License-Identifier: LicenseRef-P3-DUAL
// For terms and conditions regarding commercial use please see https://license.premia.blue
pragma solidity 0.8.28;

import {SignatureChecker} from "@openzeppelin/contracts/utils/cryptography/SignatureChecker.sol";
import {ReentrancyGuardUpgradeable} from "@openzeppelin/contracts-upgradeable/utils/ReentrancyGuardUpgradeable.sol";

import {HashData} from "../libraries/HashData.sol";

import {ISignatureValidation} from "./ISignatureValidation.sol";
import {SignatureValidationStorage} from "./SignatureValidationStorage.sol";

abstract contract SignatureValidation is ISignatureValidation, ReentrancyGuardUpgradeable {
    using SignatureValidationStorage for SignatureValidationStorage.Layout;

    address private immutable ADMIN;

    constructor(address admin) {
        ADMIN = admin;
    }

    /// @inheritdoc ISignatureValidation
    function isValidNonce(bytes32 nonce) external view returns (bool) {
        return !SignatureValidationStorage.layout().nonces[nonce];
    }

    /// @inheritdoc ISignatureValidation
    function getAuthorizedSigner() external view returns (address) {
        return SignatureValidationStorage.layout().authorizedSigner;
    }

    /// @inheritdoc ISignatureValidation
    function updateAuthorizedSigner(address newAuthorizedSigner) external nonReentrant {
        _revertIfMsgSenderNotAdmin();
        SignatureValidationStorage.layout().authorizedSigner = newAuthorizedSigner;
        emit UpdateAuthorizedSigner(newAuthorizedSigner);
    }

    /// @inheritdoc ISignatureValidation
    function invalidateNonce(Signature calldata sigProtocol) external nonReentrant {
        _handleProtocolSignatureValidation(HashData.hashInvalidateNonce(sigProtocol), sigProtocol);
    }

    /// @notice Validates the protocol signature and increments nonce
    function _handleProtocolSignatureValidation(bytes32 hash, Signature memory sigProtocol) internal {
        SignatureValidationStorage.Layout storage $ = SignatureValidationStorage.layout();
        _isSigProtocolValid($, sigProtocol, hash);
        _invalidateNonce($, sigProtocol.nonce);
    }

    /// @notice Returns true if the `sigProtocol` is valid, reverts otherwise
    function _isSigProtocolValid(
        SignatureValidationStorage.Layout storage $,
        Signature memory sigProtocol,
        bytes32 hash
    ) internal view returns (bool) {
        if ($.nonces[sigProtocol.nonce]) {
            revert SignatureValidation_InvalidNonce(sigProtocol.nonce);
        }

        if (block.timestamp > sigProtocol.deadline) {
            revert SignatureValidation_SignatureExpired(block.timestamp, sigProtocol.deadline);
        }

        _revertIfInvalidSignature($.authorizedSigner, hash, sigProtocol.signature);

        return true;
    }

    /// @notice Invalidates the nonce so signature cannot be replayed
    function _invalidateNonce(SignatureValidationStorage.Layout storage $, bytes32 nonce) internal {
        $.nonces[nonce] = true;
    }

    /// @notice Reverts if `signature` is invalid
    function _revertIfInvalidSignature(address signer, bytes32 hash, bytes memory signature) internal view {
        if (!SignatureChecker.isValidSignatureNow(signer, hash, signature)) {
            revert SignatureValidation_InvalidSignature(signer, hash, signature);
        }
    }

    /// @notice Reverts if `msg.sender` is not the admin
    function _revertIfMsgSenderNotAdmin() internal view {
        if (msg.sender != ADMIN) revert SignatureValidation_MsgSenderNotAdmin();
    }
}

// SPDX-License-Identifier: LGPL-3.0-or-later
// For terms and conditions regarding commercial use please see https://license.premia.blue
pragma solidity ^0.8.28;

library SignatureValidationStorage {
    // solhint-disable max-line-length
    // keccak256(abi.encode(uint256(keccak256("premia.contracts.storage.SignatureValidation")) - 1)) & ~bytes32(uint256(0xff))
    bytes32 internal constant STORAGE_SLOT = 0x85b5f04927eaaf239153468141c2b533a4d7c40a442dfda1da227f2cba882300;

    /// @custom:storage-location erc7201:premia.contracts.storage.SignatureValidation
    struct Layout {
        address authorizedSigner;
        mapping(bytes32 => bool) nonces;
    }

    function layout() internal pure returns (Layout storage $) {
        assembly {
            $.slot := STORAGE_SLOT
        }
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.28;

// solhint-disable-next-line max-line-length
/// @notice Derived from https://github.com/solidstate-network/solidstate-solidity/blob/d1ba52d0981e3d1e1feda525dca8dd0c07ea4a00/contracts/cryptography/EIP712.sol
/// @title EIP-712 typed structured data hashing and signing
/// @dev see https://eips.ethereum.org/EIPS/eip-712
library EIP712 {
    bytes32 internal constant EIP712_TYPE_HASH =
        keccak256("EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)");

    /// @notice calculate unique EIP-712 domain separator
    /// @dev name and version inputs are hashed as required by EIP-712 because they are of dynamic-length types
    /// @dev implementation of EIP712Domain struct type excludes the optional salt parameter
    /// @param nameHash hash of human-readable signing domain name
    /// @param versionHash hash of signing domain version
    /// @return domainSeparator domain separator
    function calculateDomainSeparator(
        bytes32 nameHash,
        bytes32 versionHash
    ) internal view returns (bytes32 domainSeparator) {
        // execute EIP-712 hashStruct procedure using assembly, equivalent to:
        //
        // domainSeparator = keccak256(
        //   abi.encode(
        //     EIP712_TYPE_HASH,
        //     nameHash,
        //     versionHash,
        //     block.chainid,
        //     address(this)
        //   )
        // );

        bytes32 typeHash = EIP712_TYPE_HASH;

        assembly {
            // load free memory pointer
            let pointer := mload(64)

            mstore(pointer, typeHash)
            mstore(add(pointer, 32), nameHash)
            mstore(add(pointer, 64), versionHash)
            mstore(add(pointer, 96), chainid())
            mstore(add(pointer, 128), address())

            domainSeparator := keccak256(pointer, 160)
        }
    }

    /// @notice Returns hash of data with domain separator
    function hashDataWithDomainSeparator(bytes32 hash) internal view returns (bytes32) {
        return
            keccak256(
                abi.encodePacked("\x19\x01", calculateDomainSeparator(keccak256("Premia"), keccak256("1")), hash)
            );
    }
}

// SPDX-License-Identifier: LGPL-3.0-or-later
// For terms and conditions regarding commercial use please see https://license.premia.blue
pragma solidity ^0.8.28;

import {IClearingHouse} from "../clearingHouse/IClearingHouse.sol";
import {ISignatureValidation} from "../clearingHouse/ISignatureValidation.sol";

import {EIP712} from "./EIP712.sol";

library HashData {
    /* solhint-disable max-line-length */
    bytes32 internal constant PROTOCOL_DEPOSIT_TYPE_HASH =
        keccak256(
            "ProtocolDeposit(bytes32 nonce,uint256 deadline,address to,address from,uint256 amount,Pair pair)Pair(address base,address quote)"
        );

    bytes32 internal constant USER_DEPOSIT_TYPE_HASH =
        keccak256(
            "UserDeposit(uint256 deadline,address to,address from,uint256 amount,Pair pair)Pair(address base,address quote)"
        );

    bytes32 internal constant PROTOCOL_WITHDRAW_TYPE_HASH =
        keccak256(
            "ProtocolWithdraw(bytes32 nonce,uint256 deadline,address to,address from,uint256 amount,Pair pair)Pair(address base,address quote)"
        );

    bytes32 internal constant USER_WITHDRAW_TYPE_HASH =
        keccak256(
            "UserWithdraw(uint256 deadline,address to,address from,uint256 amount,Pair pair)Pair(address base,address quote)"
        );

    bytes32 internal constant PAIR_TYPE_HASH = keccak256("Pair(address base,address quote)");

    bytes32 internal constant PROTOCOL_INVALIDATE_NONCE_TYPE_HASH =
        keccak256("ProtocolInvalidateNonce(bytes32 nonce,uint256 deadline)");
    /* solhint-enable max-line-length */

    /// @notice Returns hash of `pair`
    function hashPair(IClearingHouse.Pair memory pair, bool includeTypeHash) internal pure returns (bytes32) {
        if (includeTypeHash) {
            return keccak256(abi.encode(PAIR_TYPE_HASH, pair.base, pair.quote));
        } else {
            return keccak256(abi.encode(pair.base, pair.quote));
        }
    }

    /// @notice Returns hash of deposit or withdrawal signed by protocol
    function hashDepositOrWithdraw(
        ISignatureValidation.Signature memory sigProtocol,
        bool isDeposit,
        address to,
        address from,
        uint256 amount,
        IClearingHouse.Pair memory pair
    ) internal view returns (bytes32) {
        return
            EIP712.hashDataWithDomainSeparator(
                keccak256(
                    abi.encode(
                        isDeposit ? PROTOCOL_DEPOSIT_TYPE_HASH : PROTOCOL_WITHDRAW_TYPE_HASH,
                        sigProtocol.nonce,
                        sigProtocol.deadline,
                        to,
                        from,
                        amount,
                        hashPair(pair, true)
                    )
                )
            );
    }

    /// @notice Returns hash of deposit or withdrawal signed by user
    function hashDepositOrWithdraw(
        ISignatureValidation.UserSignature memory sigUser,
        bool isDeposit,
        address to,
        address from,
        uint256 amount,
        IClearingHouse.Pair memory pair
    ) internal view returns (bytes32) {
        return
            EIP712.hashDataWithDomainSeparator(
                keccak256(
                    abi.encode(
                        isDeposit ? USER_DEPOSIT_TYPE_HASH : USER_WITHDRAW_TYPE_HASH,
                        sigUser.deadline,
                        to,
                        from,
                        amount,
                        hashPair(pair, true)
                    )
                )
            );
    }

    /// @notice Returns hash of nonce invalidation signed by protocol
    function hashInvalidateNonce(ISignatureValidation.Signature memory sigProtocol) internal view returns (bytes32) {
        return
            EIP712.hashDataWithDomainSeparator(
                keccak256(abi.encode(PROTOCOL_INVALIDATE_NONCE_TYPE_HASH, sigProtocol.nonce, sigProtocol.deadline))
            );
    }
}

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

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IERC20","name":"collateral","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"ClearingHouse_ArrayLengthsMismatched","type":"error"},{"inputs":[],"name":"ClearingHouse_ZeroAddress","type":"error"},{"inputs":[],"name":"ClearingHouse_ZeroAmount","type":"error"},{"inputs":[],"name":"InactiveWithdrawal_MsgSenderNotRelayer","type":"error"},{"inputs":[],"name":"InactiveWithdrawal_NotInactive","type":"error"},{"inputs":[],"name":"InactiveWithdrawal_ZeroAmount","type":"error"},{"inputs":[],"name":"InvalidInitialization","type":"error"},{"inputs":[],"name":"NotInitializing","type":"error"},{"inputs":[],"name":"ReentrancyGuardReentrantCall","type":"error"},{"inputs":[{"internalType":"address","name":"token","type":"address"}],"name":"SafeERC20FailedOperation","type":"error"},{"inputs":[{"internalType":"bytes32","name":"nonce","type":"bytes32"}],"name":"SignatureValidation_InvalidNonce","type":"error"},{"inputs":[{"internalType":"address","name":"signer","type":"address"},{"internalType":"bytes32","name":"hash","type":"bytes32"},{"internalType":"bytes","name":"signature","type":"bytes"}],"name":"SignatureValidation_InvalidSignature","type":"error"},{"inputs":[],"name":"SignatureValidation_MsgSenderNotAdmin","type":"error"},{"inputs":[{"internalType":"uint256","name":"blockTimestamp","type":"uint256"},{"internalType":"uint256","name":"sigDeadline","type":"uint256"}],"name":"SignatureValidation_SignatureExpired","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"address","name":"from","type":"address"},{"components":[{"internalType":"contract IERC20","name":"base","type":"address"},{"internalType":"contract IERC20","name":"quote","type":"address"}],"indexed":false,"internalType":"struct IClearingHouse.Pair","name":"pair","type":"tuple"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Deposit","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address[]","name":"accounts","type":"address[]"},{"indexed":false,"internalType":"uint256[]","name":"amounts","type":"uint256[]"},{"indexed":false,"internalType":"uint256","name":"total","type":"uint256"}],"name":"InactiveWithdrawalAmountsUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"InactiveWithdrawalSuccess","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint64","name":"version","type":"uint64"}],"name":"Initialized","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"authorizedSigner","type":"address"}],"name":"UpdateAuthorizedSigner","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"address","name":"from","type":"address"},{"components":[{"internalType":"contract IERC20","name":"base","type":"address"},{"internalType":"contract IERC20","name":"quote","type":"address"}],"indexed":false,"internalType":"struct IClearingHouse.Pair","name":"pair","type":"tuple"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Withdraw","type":"event"},{"inputs":[{"components":[{"internalType":"uint256","name":"deadline","type":"uint256"},{"internalType":"bytes","name":"signature","type":"bytes"}],"internalType":"struct ISignatureValidation.UserSignature","name":"sigUser","type":"tuple"},{"components":[{"internalType":"bytes32","name":"nonce","type":"bytes32"},{"internalType":"uint256","name":"deadline","type":"uint256"},{"internalType":"bytes","name":"signature","type":"bytes"}],"internalType":"struct ISignatureValidation.Signature","name":"sigProtocol","type":"tuple"},{"components":[{"internalType":"address","name":"to","type":"address"},{"internalType":"address","name":"from","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"components":[{"internalType":"contract IERC20","name":"base","type":"address"},{"internalType":"contract IERC20","name":"quote","type":"address"}],"internalType":"struct IClearingHouse.Pair","name":"pair","type":"tuple"}],"internalType":"struct IClearingHouse.DepositArgs","name":"depositArgs","type":"tuple"}],"name":"deposit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"getAuthorizedSigner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"getInactiveWithdrawalAmount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getInactiveWithdrawalTotal","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"inactiveWithdrawal","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"components":[{"internalType":"bytes32","name":"nonce","type":"bytes32"},{"internalType":"uint256","name":"deadline","type":"uint256"},{"internalType":"bytes","name":"signature","type":"bytes"}],"internalType":"struct ISignatureValidation.Signature","name":"sigProtocol","type":"tuple"}],"name":"invalidateNonce","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"nonce","type":"bytes32"}],"name":"isValidNonce","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newAuthorizedSigner","type":"address"}],"name":"updateAuthorizedSigner","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address[]","name":"accounts","type":"address[]"},{"internalType":"uint256[]","name":"amounts","type":"uint256[]"}],"name":"updateInactiveWithdrawalAmounts","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"components":[{"internalType":"uint256","name":"deadline","type":"uint256"},{"internalType":"bytes","name":"signature","type":"bytes"}],"internalType":"struct ISignatureValidation.UserSignature","name":"sigUser","type":"tuple"},{"components":[{"internalType":"bytes32","name":"nonce","type":"bytes32"},{"internalType":"uint256","name":"deadline","type":"uint256"},{"internalType":"bytes","name":"signature","type":"bytes"}],"internalType":"struct ISignatureValidation.Signature","name":"sigProtocol","type":"tuple"},{"components":[{"internalType":"address","name":"to","type":"address"},{"internalType":"address","name":"from","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"components":[{"internalType":"contract IERC20","name":"base","type":"address"},{"internalType":"contract IERC20","name":"quote","type":"address"}],"internalType":"struct IClearingHouse.Pair","name":"pair","type":"tuple"}],"internalType":"struct IClearingHouse.WithdrawArgs","name":"withdrawArgs","type":"tuple"}],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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