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// SPDX-License-Identifier: AGPL-3.0-only
pragma solidity 0.8.23;

import {Ownable2Step} from "openzeppelin/access/Ownable2Step.sol";
import {ReentrancyGuardUpgradeable} from "src/abstracts/ReentrancyGuardUpgradeable.sol";
import {UUPSUpgradeable} from "openzeppelin/proxy/utils/UUPSUpgradeable.sol";
import {Address} from "openzeppelin/utils/Address.sol";
import {Create2} from "openzeppelin/utils/Create2.sol";
import {IMassSmartAccount} from "src/interfaces/IMassSmartAccount.sol";
import {ISmartAccountFactory} from "src/interfaces/ISmartAccountFactory.sol";
import {ISmartAccountOwnerResolver} from "src/interfaces/ISmartAccountOwnerResolver.sol";
import {MassSmartAccount} from "src/MassSmartAccount.sol";
import {
    AddressNotContract,
    AlreadyInitialized,
    CannotInitializeImpl,
    CannotRecreateSmartAccount,
    EmptyByteCode,
    FailedDeployment,
    SenderNotInitializer,
    ZeroAddress
} from "src/Errors.sol";

/// @author MassMoney
/// @notice Factory deploying MassSmartAccount contracts.
/// @dev The SmartAccountFactory is upgradeable, this is the implementation.
///      It uses the UUPS pattern. The upgradability is managed by the
///      TimelockController.
/// @custom:version V1
contract SmartAccountFactory is
    UUPSUpgradeable,
    Ownable2Step,
    ISmartAccountFactory,
    ReentrancyGuardUpgradeable
{
    /* -------------------------------------------------------------------------- */
    /*                                  CONSTANTS                                 */
    /* -------------------------------------------------------------------------- */

    /// @notice Implementation version.
    string public constant VERSION = "V1";

    /* -------------------------------------------------------------------------- */
    /*                                  IMMUTABLE                                 */
    /* -------------------------------------------------------------------------- */

    /// @notice Address that will initialize the proxy.
    address public immutable initializer;

    /// @dev Address of the current contract necessary for the proxy
    ///      initialization.
    SmartAccountFactory private immutable _self;

    /* -------------------------------------------------------------------------- */
    /*                                   STORAGE                                  */
    /* -------------------------------------------------------------------------- */

    /// @notice True if proxy was initialized with storage of the current
    ///         contract.
    bool public initialized;

    /// @notice Proxy bytecode.
    /// @dev Used to deploy new instances of the MassSmartAccount contract.
    bytes public proxyByteCode;

    /// @notice Implementation resolver address.
    address public implementationResolver;

    /// @notice Smart account owner Resolver address.
    ISmartAccountOwnerResolver public smartAccountOwnerResolver;

    /// @notice WETH address.
    address public weth;

    /// @notice WithdrawerWeth address.
    address public withdrawerWeth;

    /* -------------------------------------------------------------------------- */
    /*                                   EVENTS                                   */
    /* -------------------------------------------------------------------------- */

    /// @dev Emitted when a MassSmartAccount is created.
    /// @param massSmartAccount Address of the MassSmartAccount created.
    /// @param smartAccountOwner Owner and creator of the MassSmartAccount.
    event MassSmartAccountCreated(
        address indexed massSmartAccount, address indexed smartAccountOwner
    );

    /* -------------------------------------------------------------------------- */
    /*                                 CONSTRUCTOR                                */
    /* -------------------------------------------------------------------------- */

    constructor(bytes memory _proxyByteCode, address _initializer) {
        if (keccak256(_proxyByteCode) == keccak256(bytes(""))) revert EmptyByteCode();
        if (_initializer == address(0)) revert ZeroAddress();
        _self = this;
        proxyByteCode = _proxyByteCode;
        initializer = _initializer;
        _transferOwnership(address(0));
    }

    /* -------------------------------------------------------------------------- */
    /*                               EXECUTION LOGIC                              */
    /* -------------------------------------------------------------------------- */

    /// @notice Creates MassSmartAccount with create2 for a given smartAccountOwner.
    /// @dev The smart account owner is set by calling the smartAccountOwnerResolver.
    /// @param salt Salt provided to create2.
    /// @param smartAccountOwner The address receiving the ownership.
    /// @return massSmartAccount The new MassSmartAccount address.
    function create(bytes32 salt, address smartAccountOwner)
        external
        override
        nonReentrant
        returns (address massSmartAccount)
    {
        // Base the salt computation on the smartAccountOwner
        salt = _computeCreate2Salt(salt, smartAccountOwner);

        bytes memory bytecodeWithArgs = _bytecodeWithArgs();

        assembly {
            // 'bytecodeWithArgs' is a pointer, pointing out the length of
            // 'bytecodeWithArgs' byte array.
            // Length is 32 byte word. After length, actual bytecode is stored
            // in memory. Therefore, the offset is : bytecode + 32.
            massSmartAccount :=
                create2(0, add(bytecodeWithArgs, 0x20), mload(bytecodeWithArgs), salt)
        }

        // Check that the deployment was successful
        if (massSmartAccount == address(0)) revert FailedDeployment();

        // Users should not be able to recreate their MassSmartAccount after
        // a selfdestruct.
        if (smartAccountOwnerResolver.ownerOf(massSmartAccount) != address(0)) {
            revert CannotRecreateSmartAccount(massSmartAccount);
        }

        // Initialize weth and withdrawerWeth in the smart account
        MassSmartAccount(payable(massSmartAccount)).initializeWithdrawerWeth(weth, withdrawerWeth);

        // Force wrap of pre-deployed ETH balance
        massSmartAccount.call{value: 0}("");

        // Set the given address as owner of the created smart account.
        smartAccountOwnerResolver.setOwner(massSmartAccount, smartAccountOwner);

        emit MassSmartAccountCreated(massSmartAccount, smartAccountOwner);
    }

    /// @notice Compute predicted Mass Smart Account address from salt and smartAccountOwner.
    /// @param salt salt provided by user to smartAccountFactory functions.
    /// @param smartAccountOwner The address receiving the ownership.
    /// @return massSmartAccount Predicted address of the Mass Smart Account.
    function computePredictedAddressSmartAccount(bytes32 salt, address smartAccountOwner)
        external
        view
        returns (address)
    {
        return Create2.computeAddress(
            _computeCreate2Salt(salt, smartAccountOwner), keccak256(_bytecodeWithArgs())
        );
    }

    /// @dev Compute a salt based on an address and a given salt.
    ///      It hashes the given salt with smartAccountOwner so the
    ///      create2 address computation depends on this address.
    /// @param salt The given salt.
    /// @param smartAccountOwner The address receiving the ownership.
    /// @return computedSalt The bytes32 hash of the salt and the smartAccountOwner.
    function _computeCreate2Salt(bytes32 salt, address smartAccountOwner)
        internal
        pure
        returns (bytes32 computedSalt)
    {
        computedSalt = keccak256(abi.encode(salt, smartAccountOwner));
    }

    /// @dev Return the bytecode with args necessary for create2.
    ///      It is not stored in storage as it is more expensive than using
    ///      memory.
    function _bytecodeWithArgs() private view returns (bytes memory) {
        return abi.encodePacked(proxyByteCode, implementationResolver);
    }

    /* -------------------------------------------------------------------------- */
    /*                              INITIALIZER LOGIC                             */
    /* -------------------------------------------------------------------------- */

    /// @notice Function called by Proxy to initialize its storage.
    /// @dev It is needed to break to break the loop of dependencies between
    ///      contracts.
    /// @param _owner Owner address to set
    /// @param _implementationResolver Address of the implementation resolver
    /// @param _smartAccountOwnerResolver Address of the SmartAccountOwnerResolver
    /// @param _weth Address of the WETH contract
    /// @param _withdrawerWeth Address of the WithdrawerWeth contract
    function initialize(
        address _owner,
        address _implementationResolver,
        address _smartAccountOwnerResolver,
        address _weth,
        address _withdrawerWeth
    ) external {
        if (initialized) revert AlreadyInitialized();
        if (address(this) == address(_self)) revert CannotInitializeImpl();
        if (msg.sender != initializer) revert SenderNotInitializer(msg.sender);
        if (_owner == address(0)) revert ZeroAddress();
        if (_implementationResolver.code.length == 0) {
            revert AddressNotContract(_implementationResolver);
        }
        if (_smartAccountOwnerResolver.code.length == 0) {
            revert AddressNotContract(_smartAccountOwnerResolver);
        }
        if (_weth.code.length == 0) revert AddressNotContract(_weth);
        if (_withdrawerWeth.code.length == 0) revert AddressNotContract(_withdrawerWeth);

        initialized = true;
        _reentrancyGuard_init();
        proxyByteCode = _self.proxyByteCode();
        _transferOwnership(_owner);
        implementationResolver = _implementationResolver;
        smartAccountOwnerResolver = ISmartAccountOwnerResolver(_smartAccountOwnerResolver);
        weth = _weth;
        withdrawerWeth = _withdrawerWeth;
    }

    /* -------------------------------------------------------------------------- */
    /*                                 UUPS LOGIC                                 */
    /* -------------------------------------------------------------------------- */

    /// @dev  Called by upgradeTo and upgradeToAndCall
    /// @param newImplementation New implementation to authorize for upgrade
    function _authorizeUpgrade(address newImplementation) internal virtual override onlyOwner {
        if (newImplementation.code.length == 0) {
            revert AddressNotContract(newImplementation);
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (access/Ownable2Step.sol)

pragma solidity ^0.8.0;

import "./Ownable.sol";

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

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

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

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

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

    /**
     * @dev The new owner accepts the ownership transfer.
     */
    function acceptOwnership() public virtual {
        address sender = _msgSender();
        require(pendingOwner() == sender, "Ownable2Step: caller is not the new owner");
        _transferOwnership(sender);
    }
}

// SPDX-License-Identifier: AGPL-3.0-only
pragma solidity 0.8.23;

import {AlreadyInitialized, Reentrancy} from "src/Errors.sol";

/// @author MassMoney
/// @author Forked from OpenZeppelin https://github.com/OpenZeppelin/openzeppelin-contracts-upgradeable/blob/master/contracts/security/ReentrancyGuardUpgradeable.sol
///         and Solmate https://github.com/transmissions11/solmate/blob/main/src/utils/ReentrancyGuard.sol.
/// @notice Gas optimized reentrancy protection for upgradeable smart contracts.
/// @dev The _locked variable will be 0 in the proxy context, therefore, there
///      is a function that initializes the locked variable to 1 in the context
///      of the proxy. Otherwise, all calls with the nonReentrant modifier will
///      fail.
abstract contract ReentrancyGuardUpgradeable {
    /// @dev Indicates if the ReentrancyGuard has been initialized.
    bool private _guardInitialized;

    /// @dev Used to lock a function from reentrant calls.
    uint256 private _locked;

    /// @dev Prevents a contract from calling itself, directly or indirectly.
    modifier nonReentrant() {
        if (_locked != 1) revert Reentrancy();

        _locked = 2;

        _;

        _locked = 1;
    }

    /// @dev Init _locked for the proxy and prevent new initialization.
    function _reentrancyGuard_init() internal {
        if (_guardInitialized) revert AlreadyInitialized();

        _locked = 1;
        _guardInitialized = true;
    }
}

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

pragma solidity ^0.8.0;

import "../../interfaces/draft-IERC1822.sol";
import "../ERC1967/ERC1967Upgrade.sol";

/**
 * @dev An upgradeability mechanism designed for UUPS proxies. The functions included here can perform an upgrade of an
 * {ERC1967Proxy}, when this contract is set as the implementation behind such a proxy.
 *
 * A security mechanism ensures that an upgrade does not turn off upgradeability accidentally, although this risk is
 * reinstated if the upgrade retains upgradeability but removes the security mechanism, e.g. by replacing
 * `UUPSUpgradeable` with a custom implementation of upgrades.
 *
 * The {_authorizeUpgrade} function must be overridden to include access restriction to the upgrade mechanism.
 *
 * _Available since v4.1._
 */
abstract contract UUPSUpgradeable is IERC1822Proxiable, ERC1967Upgrade {
    /// @custom:oz-upgrades-unsafe-allow state-variable-immutable state-variable-assignment
    address private immutable __self = address(this);

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

    /**
     * @dev Check that the execution is not being performed through a delegate call. This allows a function to be
     * callable on the implementing contract but not through proxies.
     */
    modifier notDelegated() {
        require(address(this) == __self, "UUPSUpgradeable: must not be called through delegatecall");
        _;
    }

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

    /**
     * @dev Upgrade the implementation of the proxy to `newImplementation`.
     *
     * Calls {_authorizeUpgrade}.
     *
     * Emits an {Upgraded} event.
     *
     * @custom:oz-upgrades-unsafe-allow-reachable delegatecall
     */
    function upgradeTo(address newImplementation) public virtual onlyProxy {
        _authorizeUpgrade(newImplementation);
        _upgradeToAndCallUUPS(newImplementation, new bytes(0), false);
    }

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

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

// 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/Create2.sol)

pragma solidity ^0.8.0;

/**
 * @dev Helper to make usage of the `CREATE2` EVM opcode easier and safer.
 * `CREATE2` can be used to compute in advance the address where a smart
 * contract will be deployed, which allows for interesting new mechanisms known
 * as 'counterfactual interactions'.
 *
 * See the https://eips.ethereum.org/EIPS/eip-1014#motivation[EIP] for more
 * information.
 */
library Create2 {
    /**
     * @dev Deploys a contract using `CREATE2`. The address where the contract
     * will be deployed can be known in advance via {computeAddress}.
     *
     * The bytecode for a contract can be obtained from Solidity with
     * `type(contractName).creationCode`.
     *
     * Requirements:
     *
     * - `bytecode` must not be empty.
     * - `salt` must have not been used for `bytecode` already.
     * - the factory must have a balance of at least `amount`.
     * - if `amount` is non-zero, `bytecode` must have a `payable` constructor.
     */
    function deploy(uint256 amount, bytes32 salt, bytes memory bytecode) internal returns (address addr) {
        require(address(this).balance >= amount, "Create2: insufficient balance");
        require(bytecode.length != 0, "Create2: bytecode length is zero");
        /// @solidity memory-safe-assembly
        assembly {
            addr := create2(amount, add(bytecode, 0x20), mload(bytecode), salt)
        }
        require(addr != address(0), "Create2: Failed on deploy");
    }

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

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

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

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

// SPDX-License-Identifier: AGPL-3.0-only
pragma solidity 0.8.23;

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

/// @author MassMoney
/// @notice Interface for the MassSmartAccount contract.
/// @custom:version V1
interface IMassSmartAccount is IERC1271 {
    /// @dev Information to call a contract function.
    /// @param payload Payload to forward to contract, function with params
    ///                encoded.
    /// @param target Contract address to call.
    /// @param value The value to pass to the call.
    struct Call {
        bytes payload;
        address target;
        uint256 value;
    }

    /// @notice Execute a Call to a contract.
    /// @param call A Call to execute.
    /// @return data The returned data from the underlying call.
    function executeCall(Call calldata call) external payable returns (bytes memory data);

    /// @notice Execute a delegatecall to the HyVM.
    /// @dev This function is a shortcut to save gas, since the HyVM address
    ///      is immutable.
    ///      Any ETH sent to this function will be wrapped to WETH to avoid having
    ///      ETH in the smart account in case it is not used in the delegatecall.
    /// @param bytecode The data to delegatecall the HyVM.
    /// @return data The returned data from the underlying HyVM call.
    function executeHyVMCall(bytes calldata bytecode)
        external
        payable
        returns (bytes memory data);

    /// @notice Activate the ERC2771 feature.
    function activateERC2771() external;

    /// @notice Deactivate the ERC2771 feature.
    function deactivateERC2771() external;

    /// @notice Check if the ERC2771 feature is activated.
    /// @return activated True if activated, false if not.
    function isERC2771Activated() external view returns (bool activated);

    /// @notice Should return whether the signature provided is valid for the
    ///         provided hashed data.
    /// @param hash Hash of the data to be signed.
    /// @param signature Signature byte array associated with data.
    /// @return Function selector of the function or bytes4(0).
    function isValidSignature(bytes32 hash, bytes memory signature)
        external
        view
        returns (bytes4);

    /// @notice Execute a transaction through an EIP712 signature.
    /// @dev If the target is the HyVM, any ETH sent to this function will be
    ///      wrapped to WETH to avoid having ETH in the smart account in case it
    ///      is not used in the delegatecall.
    /// @param to The target address.
    /// @param payload The payload to send.
    /// @param value The value to send.
    /// @param expiration The expiration timestamp.
    /// @param n The nonce.
    /// @param v The v value of the signature.
    /// @param r The r value of the signature.
    /// @param s The s value of the signature.
    /// @return returnData The returned data from the underlying call.
    function executeSignature712(
        address to,
        bytes memory payload,
        uint256 value,
        uint256 expiration,
        uint256 n,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external payable returns (bytes memory returnData);

    /// @notice Execute one of the transactions through the HyVM in a merkle tree which root was signed
    ///         by EIP712 signature.
    /// @dev Any ETH sent to this function will be wrapped to WETH to avoid having ETH in the
    ///      smart account in case it is not used in the delegatecall as the target is the HyVM.
    ///      Dynamic payload is appended to the signed payload when needed (e.g. pyth data).
    ///      Use cases of this function: TP and SL orders in the same bundle or creating multiple
    ///      limit orders in the same bundle.
    ///      It allows to require only one signature for multiple transactions from a user.
    ///      Merkle trees should be created with the Merkle tree OZ library.
    ///      https://github.com/OpenZeppelin/merkle-tree
    ///
    ///      !!! No jump should be done from the reentrantData to the dynamic data.
    ///          Only calldataload should be used to read the dynamic data else it
    ///          could lead to malicious data being executed.
    ///          By using the SDK, this issue will be avoided as it will ensure
    ///          only read of dynamic data will be done. !!!
    ///
    ///      !!! A particular attention is needed to be sure about what is signed as order
    ///          of transactions execution could have an impact. It is also the responsibility of the
    ///          user / SDK to check there are no 2 transactions with the same data in one merkle tree
    ///          else the second one will be rejected !!!
    ///
    /// @param root Merkle root of the tree that contains all signed transactions.
    /// @param proof Merkle proof of the transaction to execute.
    /// @param txPayload The transaction payload included in the merkle tree.
    /// @param dynamicPayload Dynamic payload to append to the txPayload.
    /// @param value The value to send.
    /// @param expiration The expiration timestamp.
    /// @param v The v value of the signature.
    /// @param r The r value of the signature.
    /// @param s The s value of the signature.
    /// @return returnData The returned data from the underlying call.
    function executeTransactionFromBundleSignature(
        bytes32 root,
        bytes32[] calldata proof,
        bytes memory txPayload,
        bytes memory dynamicPayload,
        uint256 value,
        uint256 expiration,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external payable returns (bytes memory returnData);

    /// @notice Revoke a transaction bundled in a merkle tree EIP712 execution bundle.
    /// @dev Only the owner can execute this function.
    /// @param root Merkle root of the tree.
    /// @param bundledTransaction The transaction to revoke.
    function revokeBundledTransactionExecution(bytes32 root, bytes32 bundledTransaction) external;

    /// @notice Revoke a merkle tree root. All transactions bundled in this merkle tree
    ///         will be revoked.
    /// @dev Only the owner can execute this function.
    /// @param root Merkle root to revoke.
    function revokeMerkleRootBundledTransactions(bytes32 root) external;

    /// @notice Build the domain separator for the EIP712 signature.
    /// @return The domain separator.
    function buildDomainSeparator() external view returns (bytes32);

    /// @notice Increment the nonce.
    /// @dev Only the owner can execute this function. It allows to cancel a
    ///      signature.
    function incrementNonce() external;

    /// @notice Return the owner of the current Mass Smart Account.
    /// @return Address of the owner.
    function smartAccountOwner() external view returns (address);
}

// SPDX-License-Identifier: AGPL-3.0-only
pragma solidity 0.8.23;

/// @author MassMoney
/// @notice Interface for the SmartAccountFactory contract.
/// @custom:version V1
interface ISmartAccountFactory {
    /// @notice Creates MassSmartAccount with create2 for a given smartAccountOwner.
    /// @dev The smart account owner is set by calling the smartAccountOwnerResolver.
    /// @param salt Salt provided to create2.
    /// @param smartAccountOwner The address receiving the ownership.
    /// @return massSmartAccount The new MassSmartAccount address.
    function create(bytes32 salt, address smartAccountOwner)
        external
        returns (address massSmartAccount);

    /// @notice Compute predicted Mass Smart Account address from salt and smartAccountOwner.
    /// @param salt salt provided by user to smartAccountFactory functions.
    /// @param smartAccountOwner The address receiving the ownership.
    /// @return massSmartAccount Predicted address of the Mass Smart Account.
    function computePredictedAddressSmartAccount(bytes32 salt, address smartAccountOwner)
        external
        view
        returns (address);
}

// SPDX-License-Identifier: AGPL-3.0-only
pragma solidity 0.8.23;

/// @author MassMoney
/// @notice Interface for the SmartAccountOwnerResolver contract.
interface ISmartAccountOwnerResolver {
    /// @notice Returns the owner of a massSmartAccount.
    /// @param massSmartAccount massSmartAccount for which owner is returned.
    /// @return owner Owner of the massSmartAccount.
    function ownerOf(address massSmartAccount) external view returns (address owner);

    /// @notice Set owner for a mass smart account
    /// @dev    Only the SmartAccountFactory can call this function
    /// @param massSmartAccount massSmartAccount address for which owner is set.
    /// @param owner Owner address of the massSmartAccount
    function setOwner(address massSmartAccount, address owner) external;
}

// SPDX-License-Identifier: AGPL-3.0-only
pragma solidity 0.8.23;

import {ERC721Holder} from "openzeppelin/token/ERC721/utils/ERC721Holder.sol";
import {ERC1155Holder} from "openzeppelin/token/ERC1155/utils/ERC1155Holder.sol";
import {ECDSA} from "openzeppelin/utils/cryptography/ECDSA.sol";
import {Address} from "openzeppelin/utils/Address.sol";
import {ERC2771Context} from "openzeppelin/metatx/ERC2771Context.sol";
import {MerkleProof} from "openzeppelin/utils/cryptography/MerkleProof.sol";
import {IWETH} from "src/interfaces/external/IWETH.sol";
import {IMassSmartAccount} from "src/interfaces/IMassSmartAccount.sol";
import {SmartAccountOwnerResolver} from "src/SmartAccountOwnerResolver.sol";
import {WithdrawerWeth} from "src/WithdrawerWeth.sol";
import {
    AddressNotContract,
    AlreadyInitialized,
    CannotInitializeImpl,
    Expired,
    InvalidMerkleProof,
    InvalidNonce,
    InvalidReentrantData,
    InvalidValue,
    InvalidMerkleRoot,
    OnlySelfCall,
    SenderNotInitializer,
    SenderNotSmartAccountOwner,
    TransactionAlreadyProcessed,
    WrongSigner
} from "src/Errors.sol";

/// @author MassMoney
/// @notice Mass smart account.
/// @dev The smart account is upgradeable, this is the implementation.
///      See the proxy contract (`./src/Proxy.huff`).
/// @custom:version V1.1
contract MassSmartAccount is IMassSmartAccount, ERC2771Context, ERC1155Holder, ERC721Holder {
    /* -------------------------------------------------------------------------- */
    /*                                  CONSTANTS                                 */
    /* -------------------------------------------------------------------------- */

    /// @notice Implementation version.
    string public constant VERSION = "V1.1";

    /// @notice EIP712 domain separator typehash.
    bytes32 public constant DOMAIN_TYPEHASH = keccak256(
        "EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)"
    );

    /// @notice Transaction typehash for EIP712 signature.
    bytes32 public constant TX_TYPEHASH =
        keccak256("Tx(address to,bytes payload,uint256 value,uint256 expiration,uint256 nonce)");

    /// @notice Merkle tree root typehash for EIP712 signature.
    bytes32 public constant MERKLE_TREE_ROOT_TYPEHASH = keccak256("MerkleTreeRoot(bytes32 root)");

    /* -------------------------------------------------------------------------- */
    /*                                  IMMUTABLE                                 */
    /* -------------------------------------------------------------------------- */

    /// @notice HyVM contract address.
    /// @dev HyVM is an Ethereum Virtual Machine (EVM) Hypervisor, allowing the
    ///      execution of arbitrary EVM Bytecode. See https://github.com/MassMoney/HyVM.
    address public immutable hyvm;

    /// @notice smartAccountOwnerResolver proxy contract address to retrieve the owner.
    SmartAccountOwnerResolver public immutable smartAccountOwnerResolver;

    /// @notice smartAccountFactory initialize weth address.
    address public immutable smartAccountFactory;

    /// @notice The implementation address.
    address private immutable _self;

    /* -------------------------------------------------------------------------- */
    /*                                   STORAGE                                  */
    /* -------------------------------------------------------------------------- */

    /// @notice Flag to check if the proxy is initialized.
    bool public initialized;

    /// @notice Wrapped native token contract.
    IWETH public weth;

    /// @notice Withdrawer contract.
    WithdrawerWeth public withdrawer;

    /// @notice Nonce for transaction through EIP712 signature.
    uint256 public nonce;

    // @notice Flag to check if the ERC2771 feature is activated.
    bool public isERC2771Activated;

    /// @notice Mapping of transaction bundled to avoid replay
    ///         Either it was revoked or executed.
    mapping(bytes32 => mapping(bytes32 => bool)) public bundledTransactionProcessed;

    /// @notice Mapping of revoked merkle tree roots.
    mapping(bytes32 => bool) public revokedMerkleRoot;

    /// @notice Flag to authorize reentrancy data to be executed.
    /// @dev    Equals to keccak256(dataToBeExecuted). Can only be set by
    //          the function performReetrantCall. Must be set to 0 after the
    ///         reentrancy data is executed.
    bytes32 private _authorizedReentrancyHash;

    /// @notice Current bundled root when executing a bundled transaction.
    bytes32 public currentBundledRoot;

    /* -------------------------------------------------------------------------- */
    /*                                   EVENTS                                   */
    /* -------------------------------------------------------------------------- */

    /// @dev Emitted when the nonce is set.
    /// @param nonce The nonce.
    event NonceSet(uint256 nonce);

    /// @dev Emitted when the ERC2771 is activated.
    event ERC2771Activated();

    /// @dev Emitted when the ERC2771 is deactivated.
    event ERC2771Deactivated();

    /// @dev Emitted when a transaction is processed.
    /// @param root The merkle root.
    /// @param txHash The transaction hash.
    event TransactionProcessed(bytes32 root, bytes32 txHash);

    /// @dev Emitted when a transaction is revoked.
    /// @param root The merkle root.
    /// @param txHash The transaction hash.
    event TransactionRevoked(bytes32 root, bytes32 txHash);

    /// @dev Emitted when a merkle root is revoked.
    /// @param root The merkle root.
    event MerkleRootRevoked(bytes32 root);

    /* -------------------------------------------------------------------------- */
    /*                                 CONSTRUCTOR                                */
    /* -------------------------------------------------------------------------- */

    constructor(
        address _forwarder,
        address _hyvm,
        address _smartAccountOwnerResolver,
        address _smartAccountFactory
    ) ERC2771Context(_forwarder) {
        if (_hyvm.code.length == 0) revert AddressNotContract(_hyvm);
        if (_smartAccountOwnerResolver.code.length == 0) {
            revert AddressNotContract(_smartAccountOwnerResolver);
        }
        if (_smartAccountFactory.code.length == 0) revert AddressNotContract(_smartAccountFactory);
        hyvm = _hyvm;
        _self = address(this);
        smartAccountOwnerResolver = SmartAccountOwnerResolver(_smartAccountOwnerResolver);
        smartAccountFactory = _smartAccountFactory;
    }

    /* -------------------------------------------------------------------------- */
    /*                                  MODIFIERS                                 */
    /* -------------------------------------------------------------------------- */

    /// @dev Check that the message sender is the owner of the MassSmartAccount.
    modifier onlySmartAccountOwner() {
        address sender = _sender();
        // The sender must be the smart account owner
        if (smartAccountOwner() != sender) revert SenderNotSmartAccountOwner(sender);
        _;
    }

    /// @dev Check that the message sender is the owner of the MassSmartAccount
    ///     or the MassSmartAccount itself.
    ///     This modifier is only used for the activation of the ERC2771 feature.
    ///     Allows to activate the feature through the HyVM.
    modifier onlySmartAccountOwnerOrSelf() {
        address sender = _sender();
        // The sender must be the smart account owner or the MSA itself
        if (!(smartAccountOwner() == sender || address(this) == msg.sender)) {
            revert SenderNotSmartAccountOwner(sender);
        }
        _;
    }

    /// @dev Sender of the call depending on the ERC2771 feature.
    /// @return The sender of the call.
    function _sender() internal returns (address) {
        return isERC2771Activated ? ERC2771Context._msgSender() : msg.sender;
    }

    /* -------------------------------------------------------------------------- */
    /*                          INITIALIZE WITHDRAWERWETH                         */
    /* -------------------------------------------------------------------------- */

    /// @notice Initialize the WithdrawerWeth and Weth contracts.
    /// @dev This function can only be called once. It is called by the
    ///      SmartAccountFactory when creating the smart account. It is not possible to
    ///      change contracts addresses once it is set.
    ///      This function is necessary to avoid having to pass addresses in the
    ///      constructor, which would make the deployment dependant on the
    ///      wrapped native token address. It would lead to different deployed
    ///      addresses on different chains.
    ///      WithdrawerWeth is necessary to avoid hitting gas limit from
    ///      transfer when withdrawing ETH from WETH9.
    /// @param weth_ The wrapped native token address.
    /// @param withdrawer_ The withdrawer contract address.
    function initializeWithdrawerWeth(address weth_, address withdrawer_) external {
        if (initialized) revert AlreadyInitialized();
        if (address(this) == _self) revert CannotInitializeImpl();
        if (msg.sender != smartAccountFactory) revert SenderNotInitializer(msg.sender);
        if (weth_.code.length == 0) revert AddressNotContract(weth_);
        if (withdrawer_.code.length == 0) revert AddressNotContract(withdrawer_);
        initialized = true;
        weth = IWETH(weth_);
        withdrawer = WithdrawerWeth(payable(withdrawer_));
    }

    /* -------------------------------------------------------------------------- */
    /*                                   RECEIVE                                  */
    /* -------------------------------------------------------------------------- */

    /// @dev Wraps received ETH to WETH, unless it comes from the withdrawer.
    ///      In case the owner wants to withdraw ETH from the smart account, he
    ///      will need to call the withdrawer and send the funds in the same
    ///      transaction. Any ETH in this contract can be wrapped by anyone by
    ///      calling the contract without value and data.
    receive() external payable {
        if (msg.sender != address(withdrawer)) {
            _wrapNativeToken();
        }
    }

    /* -------------------------------------------------------------------------- */
    /*                               EXECUTION LOGIC                              */
    /* -------------------------------------------------------------------------- */

    /// @notice Execute a Call to a contract.
    /// @param call A Call to execute.
    /// @return data The returned data from the underlying call.
    function executeCall(Call calldata call)
        external
        payable
        override
        onlySmartAccountOwner
        returns (bytes memory data)
    {
        return Address.functionCallWithValue(call.target, call.payload, call.value);
    }

    /// @notice Execute a delegatecall to the HyVM.
    /// @dev This function is a shortcut to save gas, since the HyVM address
    ///      is immutable.
    ///      Any ETH sent to this function will be wrapped to WETH to avoid having
    ///      ETH in the smart account in case it is not used in the delegatecall.
    /// @param bytecode The data to delegatecall the HyVM.
    /// @return data The returned data from the underlying HyVM call.
    function executeHyVMCall(bytes calldata bytecode)
        external
        payable
        override
        onlySmartAccountOwner
        returns (bytes memory data)
    {
        _wrapNativeToken();
        data = Address.functionDelegateCall(hyvm, bytecode);
    }

    /* -------------------------------------------------------------------------- */
    /*                                ERC2771 LOGIC                               */
    /* -------------------------------------------------------------------------- */

    /// @notice Activate the ERC2771 feature.
    /// @dev Only the smart account owner or the smart account itself can activate
    ///      the feature. The function is public to allow the SDK to activate the
    ///      feature through the HyVM in delegatecall.
    function activateERC2771() public override onlySmartAccountOwnerOrSelf {
        isERC2771Activated = true;
        emit ERC2771Activated();
    }

    /// @notice Deactivate the ERC2771 feature.
    function deactivateERC2771() external override onlySmartAccountOwner {
        isERC2771Activated = false;
        emit ERC2771Deactivated();
    }

    /* -------------------------------------------------------------------------- */
    /*                                   ERC1271                                  */
    /* -------------------------------------------------------------------------- */

    /// @notice Should return whether the signature provided is valid for the
    ///         provided hashed data.
    /// @param hash Hash of the data to be signed.
    /// @param signature Signature byte array associated with data.
    /// @return Function selector of the function or bytes4(0).
    function isValidSignature(bytes32 hash, bytes memory signature)
        external
        view
        override
        returns (bytes4)
    {
        return ECDSA.recover(hash, signature) == smartAccountOwner()
            ? this.isValidSignature.selector
            : bytes4(0);
    }

    /* -------------------------------------------------------------------------- */
    /*                              EIP712 EXECUTION                              */
    /* -------------------------------------------------------------------------- */

    /// @notice Execute a transaction through an EIP712 signature.
    /// @dev If the target is the HyVM, any ETH sent to this function will be
    ///      wrapped to WETH to avoid having ETH in the smart account in case it
    ///      is not used in the delegatecall.
    /// @param to The target address.
    /// @param payload The payload to send.
    /// @param value The value to send.
    /// @param expiration The expiration timestamp.
    /// @param n The nonce.
    /// @param v The v value of the signature.
    /// @param r The r value of the signature.
    /// @param s The s value of the signature.
    /// @return returnData The returned data from the underlying call.
    function executeSignature712(
        address to,
        bytes memory payload,
        uint256 value,
        uint256 expiration,
        uint256 n,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external payable override returns (bytes memory returnData) {
        _checkTxSignature712(to, payload, value, expiration, n, v, r, s);

        // Check expiration
        if (expiration < block.timestamp) revert Expired();

        // Check msg.value
        if (value != msg.value) revert InvalidValue();

        // Check nonce
        if (n != nonce) revert InvalidNonce();

        _setNonce(n + 1);

        returnData = _execute(to, payload, value);
    }

    /// @dev Check the signature of a transaction following the Tx structure.
    /// @param to The target address.
    /// @param payload The payload to send.
    /// @param value The value to send.
    /// @param expiration The expiration timestamp.
    /// @param n The nonce.
    /// @param v The v value of the signature.
    /// @param r The r value of the signature.
    /// @param s The s value of the signature.
    function _checkTxSignature712(
        address to,
        bytes memory payload,
        uint256 value,
        uint256 expiration,
        uint256 n,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal view {
        bytes32 hashStruct =
            keccak256(abi.encode(TX_TYPEHASH, to, keccak256(payload), value, expiration, n));
        _checkSignature712(hashStruct, v, r, s);
    }

    /// @notice Increment the nonce.
    /// @dev Only the owner can execute this function. It allows to cancel a
    ///      signature.
    function incrementNonce() external onlySmartAccountOwner {
        _setNonce(nonce + 1);
    }

    /// @dev Set the nonce.
    /// @param _nonce The nonce to set.
    function _setNonce(uint256 _nonce) internal {
        emit NonceSet(_nonce);
        nonce = _nonce;
    }

    /* -------------------------------------------------------------------------- */
    /*                            BUNDLED TRANSACTIONS                            */
    /* -------------------------------------------------------------------------- */

    /// @notice Execute one of the transactions through the HyVM in a merkle tree which root was signed
    ///         by EIP712 signature.
    /// @dev Any ETH sent to this function will be wrapped to WETH to avoid having ETH in the
    ///      smart account in case it is not used in the delegatecall as the target is the HyVM.
    ///      Dynamic payload is appended to the signed payload when needed (e.g. pyth data).
    ///      Use cases of this function: TP and SL orders in the same bundle or creating multiple
    ///      limit orders in the same bundle.
    ///      It allows to require only one signature for multiple transactions from a user.
    ///      Merkle trees should be created with the Merkle tree OZ library.
    ///      https://github.com/OpenZeppelin/merkle-tree
    ///
    ///      !!! No jump should be done from the reentrantData to the dynamic data.
    ///          Only calldataload should be used to read the dynamic data else it
    ///          could lead to malicious data being executed.
    ///          By using the SDK, this issue will be avoided as it will ensure
    ///          only read of dynamic data will be done. !!!
    ///
    ///      !!! A particular attention is needed to be sure about what is signed as order
    ///          of transactions execution could have an impact. It is also the responsibility of the
    ///          user / SDK to check there are no 2 transactions with the same data in one merkle tree
    ///          else the second one will be rejected !!!
    ///
    /// @param root Merkle root of the tree that contains all signed transactions.
    /// @param proof Merkle proof of the transaction to execute.
    /// @param txPayload The transaction payload included in the merkle tree.
    /// @param dynamicPayload Dynamic payload to append to the txPayload.
    /// @param value The value to send.
    /// @param expiration The expiration timestamp.
    /// @param v The v value of the signature.
    /// @param r The r value of the signature.
    /// @param s The s value of the signature.
    /// @return returnData The returned data from the underlying call.
    function executeTransactionFromBundleSignature(
        bytes32 root,
        bytes32[] calldata proof,
        bytes memory txPayload,
        bytes memory dynamicPayload,
        uint256 value,
        uint256 expiration,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external payable returns (bytes memory returnData) {
        bytes32 txHash = _checkBundleSignatureAndTransactionInclusion(
            root, proof, txPayload, value, expiration, v, r, s
        );

        // Check expiration
        if (expiration < block.timestamp) revert Expired();

        // Check msg.value
        if (value != msg.value) revert InvalidValue();

        // Concat dynamic payload if necessary
        bytes memory payload = txPayload;
        if (dynamicPayload.length > 0) {
            payload = bytes.concat(txPayload, hex"00", dynamicPayload);
        }

        // Set current bundled root before executing the call
        currentBundledRoot = root;

        // Execute call
        returnData = _execute(hyvm, payload, value);

        // Reset current bundled root after executing the call
        currentBundledRoot = bytes32(0);

        emit TransactionProcessed(root, txHash);
    }

    /// @notice Revoke a transaction bundled in a merkle tree EIP712 execution bundle.
    /// @dev Only the owner can execute this function.
    /// @param root Merkle root of the tree.
    /// @param bundledTransaction The transaction to revoke.
    function revokeBundledTransactionExecution(bytes32 root, bytes32 bundledTransaction)
        external
        onlySmartAccountOwnerOrSelf
    {
        bundledTransactionProcessed[root][bundledTransaction] = true;
        emit TransactionRevoked(root, bundledTransaction);
    }

    /// @notice Revoke a merkle tree root. All transactions bundled in this merkle tree
    ///         will be revoked.
    /// @dev Only the owner can execute this function.
    /// @param root Merkle root to revoke.
    function revokeMerkleRootBundledTransactions(bytes32 root)
        external
        onlySmartAccountOwnerOrSelf
    {
        revokedMerkleRoot[root] = true;
        emit MerkleRootRevoked(root);
    }

    /// @notice Check the signature of the merkle tree root and the transaction inclusion in the merkle tree.
    /// @dev This function is used by executeTransactionFromBundleSignature.
    /// @param root Merkle root of the tree that contains all signed transactions.
    /// @param proof Merkle proof of the transaction to execute.
    /// @param payload The transaction payload included in the merkle tree.
    /// @param value The value to send.
    /// @param expiration The expiration timestamp.
    /// @param v The v value of the signature.
    /// @param r The r value of the signature.
    /// @param s The s value of the signature.
    function _checkBundleSignatureAndTransactionInclusion(
        bytes32 root,
        bytes32[] calldata proof,
        bytes memory payload,
        uint256 value,
        uint256 expiration,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal returns (bytes32) {
        if (revokedMerkleRoot[root]) revert InvalidMerkleRoot(root);
        // Merkle tree OZ library requires double hashing of leafs
        // Check if the transaction is already in status processed
        // !!! it is the responsibility of the user / SDK to check there are no
        // 2 transactions with the same data in the same merkle tree else the second
        // one will be rejected !!!
        bytes32 txHash = keccak256(bytes.concat(keccak256(abi.encode(payload, value, expiration))));
        if (bundledTransactionProcessed[root][txHash]) {
            revert TransactionAlreadyProcessed(txHash);
        }

        // Check signature of the merkle tree root
        bytes32 hashStruct = keccak256(abi.encode(MERKLE_TREE_ROOT_TYPEHASH, root));
        _checkSignature712(hashStruct, v, r, s);

        // Check merkle proof
        if (!MerkleProof.verifyCalldata(proof, root, txHash)) revert InvalidMerkleProof();

        bundledTransactionProcessed[root][txHash] = true;

        return txHash;
    }

    /* -------------------------------------------------------------------------- */
    /*                             AUTHORIZED REENTRANCY                          */
    /* -------------------------------------------------------------------------- */

    /// @notice Perform external call to a contract with authorization
    ///         to reenter with validated data.
    /// @dev Only callable by the MSA itself.
    /// @param to The target address.
    /// @param value The value to send.
    /// @param toData The data to send.
    /// @param authorizedReentrancyHash_ Hash of the authorized data to reenter.
    /// @return returnedData The returned data from the underlying call.
    function performReentrantCall(
        address to,
        uint256 value,
        bytes calldata toData,
        bytes32 authorizedReentrancyHash_
    ) public payable returns (bytes memory) {
        if (msg.sender != address(this)) revert OnlySelfCall();
        if (authorizedReentrancyHash_ == bytes32(0)) revert InvalidReentrantData();
        _authorizedReentrancyHash = authorizedReentrancyHash_;
        bytes memory returnedData = Address.functionCallWithValue(to, toData, value);
        if (_authorizedReentrancyHash != bytes32(0)) revert InvalidReentrantData();
        return returnedData;
    }

    /// @notice Execute a delegatecall to the HyVM from a reentrant call.
    /// @dev The reentrant data was previously authorized in the `performReetrantCall`
    ///      by the smart account owner. New data will be appended after the authorized data.
    ///      This new data will only be executed according to the authorized data instructions.
    ///      A stop instruction will separate the authorized data from the new data to avoid
    ///      executing the new data by mistake by the HyVM.
    ///
    ///      !!! No jump should be done from the reentrantData to the dynamic data.
    ///          Only calldataload should be used to read the dynamic data else it
    ///          could lead to malicious data being executed.
    ///          By using the SDK, this issue will be avoided as the SDK will add checks. !!!
    ///
    /// @param reentrantData The reentrant data authorized by the user.
    /// @param nonValidatedData The non validated data.
    /// @return The returned data from the underlying HyVM call.
    function executeHyVMCallFromReentrant(
        bytes calldata reentrantData,
        bytes calldata nonValidatedData
    ) external payable returns (bytes memory) {
        // Ensure the reentrantData is authorized to be executed
        if (_authorizedReentrancyHash != keccak256(reentrantData)) revert InvalidReentrantData();
        _authorizedReentrancyHash = bytes32(0);

        // Concatenate the reentrant data with the non validated data
        // Add a stop instruction between the reentrant data and the non validated data
        // to ensure the non validated data is executed by the HyVM only explicitly
        bytes memory hyvmData = bytes.concat(reentrantData, hex"00", nonValidatedData);
        _wrapNativeToken();
        return Address.functionDelegateCall(hyvm, hyvmData);
    }

    /* -------------------------------------------------------------------------- */
    /*                                    UTILS                                   */
    /* -------------------------------------------------------------------------- */

    /// @notice Return the owner of the current Mass Smart Account.
    /// @return Address of the owner.
    function smartAccountOwner() public view returns (address) {
        return smartAccountOwnerResolver.ownerOf(address(this));
    }

    /* -------------------------------------------------------------------------- */
    /*                                COMMON LOGIC                                */
    /* -------------------------------------------------------------------------- */

    /// @dev Smart Accounts are designed not to hold any ETH. All payable functions
    ///      will automatically wrap any received ETH to WETH.
    function _wrapNativeToken() private {
        if (address(this).balance != 0) {
            weth.deposit{value: address(this).balance}();
        }
    }

    /// @notice Execute a call
    /// @param to The target address.
    /// @param data The data to execute.
    /// @param value The value to send.
    /// @return returnData The returned data from the underlying call.
    function _execute(address to, bytes memory data, uint256 value)
        internal
        returns (bytes memory returnData)
    {
        if (to == hyvm) {
            _wrapNativeToken();
            returnData = Address.functionDelegateCall(to, data);
        } else {
            returnData = Address.functionCallWithValue(to, data, value);
        }
    }

    /// @dev Check an EIP712 signature.
    ///      ECDSA from OZ prevents malleability.
    /// @param hashStruct The hash of the struct signed.
    /// @param v The v value of the signature.
    /// @param r The r value of the signature.
    /// @param s The s value of the signature.
    function _checkSignature712(bytes32 hashStruct, uint8 v, bytes32 r, bytes32 s) internal view {
        bytes32 h = ECDSA.toTypedDataHash(buildDomainSeparator(), hashStruct);
        // Will throw if the signature is invalid
        address signer = ECDSA.recover(h, v, r, s);

        // Signature must be from the owner
        if (signer != smartAccountOwner()) revert WrongSigner(signer);
    }

    /// @notice Build the domain separator for an EIP712 signature.
    /// @return The domain separator.
    function buildDomainSeparator() public view returns (bytes32) {
        return keccak256(
            abi.encode(
                DOMAIN_TYPEHASH,
                keccak256(bytes("MassSmartAccount")),
                keccak256(bytes("1")),
                block.chainid,
                address(this)
            )
        );
    }
}

// SPDX-License-Identifier: AGPL-3.0-only
pragma solidity 0.8.23;

error AddressNotContract(address notContract);

error AlreadyInitialized();

error CannotInitializeImpl();

error CannotRecreateSmartAccount(address massSmartAccount);

error EmptyByteCode();

error Expired();

error FailedDeployment();

error InvalidMerkleProof();

error InvalidMerkleRoot(bytes32 root);

error InvalidInitiator(address notInitiator);

error PoolMismatch();

error OwnerAlreadySet();

error OnlySelfCall();

error OnlySmartAccountFactory(address);

error InvalidReentrantData();

error InvalidValue();

error InvalidNonce();

error OnlyLendingPool();

error OnlyLiquidityPool();

error Reentrancy();

error SenderNotInitializer(address sender);

error RequesterNotMSA();

error SenderNotSmartAccountOwner(address sender);

error SenderNotSmartAccountOwnerOrMSAItself(address sender);

error SenderNotWeth(address sender);

error TransactionAlreadyProcessed(bytes32 txDataHash);

error TokensAndAmountsLengthMismatch();

error WrongFlashloanRequester(address requester);

error WrongSigner(address signer);

error WrongImplementation(address implementation);

error ZeroAddress();

// 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 v4.5.0) (interfaces/draft-IERC1822.sol)

pragma solidity ^0.8.0;

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (proxy/ERC1967/ERC1967Upgrade.sol)

pragma solidity ^0.8.2;

import "../beacon/IBeacon.sol";
import "../../interfaces/IERC1967.sol";
import "../../interfaces/draft-IERC1822.sol";
import "../../utils/Address.sol";
import "../../utils/StorageSlot.sol";

/**
 * @dev This abstract contract provides getters and event emitting update functions for
 * https://eips.ethereum.org/EIPS/eip-1967[EIP1967] slots.
 *
 * _Available since v4.1._
 */
abstract contract ERC1967Upgrade is IERC1967 {
    // This is the keccak-256 hash of "eip1967.proxy.rollback" subtracted by 1
    bytes32 private constant _ROLLBACK_SLOT = 0x4910fdfa16fed3260ed0e7147f7cc6da11a60208b5b9406d12a635614ffd9143;

    /**
     * @dev Storage slot with the address of the current implementation.
     * This is the keccak-256 hash of "eip1967.proxy.implementation" subtracted by 1, and is
     * validated in the constructor.
     */
    bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;

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

    /**
     * @dev Stores a new address in the EIP1967 implementation slot.
     */
    function _setImplementation(address newImplementation) private {
        require(Address.isContract(newImplementation), "ERC1967: new implementation is not a contract");
        StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;
    }

    /**
     * @dev Perform implementation upgrade
     *
     * Emits an {Upgraded} event.
     */
    function _upgradeTo(address newImplementation) internal {
        _setImplementation(newImplementation);
        emit Upgraded(newImplementation);
    }

    /**
     * @dev Perform implementation upgrade with additional setup call.
     *
     * Emits an {Upgraded} event.
     */
    function _upgradeToAndCall(address newImplementation, bytes memory data, bool forceCall) internal {
        _upgradeTo(newImplementation);
        if (data.length > 0 || forceCall) {
            Address.functionDelegateCall(newImplementation, data);
        }
    }

    /**
     * @dev Perform implementation upgrade with security checks for UUPS proxies, and additional setup call.
     *
     * Emits an {Upgraded} event.
     */
    function _upgradeToAndCallUUPS(address newImplementation, bytes memory data, bool forceCall) internal {
        // Upgrades from old implementations will perform a rollback test. This test requires the new
        // implementation to upgrade back to the old, non-ERC1822 compliant, implementation. Removing
        // this special case will break upgrade paths from old UUPS implementation to new ones.
        if (StorageSlot.getBooleanSlot(_ROLLBACK_SLOT).value) {
            _setImplementation(newImplementation);
        } else {
            try IERC1822Proxiable(newImplementation).proxiableUUID() returns (bytes32 slot) {
                require(slot == _IMPLEMENTATION_SLOT, "ERC1967Upgrade: unsupported proxiableUUID");
            } catch {
                revert("ERC1967Upgrade: new implementation is not UUPS");
            }
            _upgradeToAndCall(newImplementation, data, forceCall);
        }
    }

    /**
     * @dev Storage slot with the admin of the contract.
     * This is the keccak-256 hash of "eip1967.proxy.admin" subtracted by 1, and is
     * validated in the constructor.
     */
    bytes32 internal constant _ADMIN_SLOT = 0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103;

    /**
     * @dev Returns the current admin.
     */
    function _getAdmin() internal view returns (address) {
        return StorageSlot.getAddressSlot(_ADMIN_SLOT).value;
    }

    /**
     * @dev Stores a new address in the EIP1967 admin slot.
     */
    function _setAdmin(address newAdmin) private {
        require(newAdmin != address(0), "ERC1967: new admin is the zero address");
        StorageSlot.getAddressSlot(_ADMIN_SLOT).value = newAdmin;
    }

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

    /**
     * @dev The storage slot of the UpgradeableBeacon contract which defines the implementation for this proxy.
     * This is bytes32(uint256(keccak256('eip1967.proxy.beacon')) - 1)) and is validated in the constructor.
     */
    bytes32 internal constant _BEACON_SLOT = 0xa3f0ad74e5423aebfd80d3ef4346578335a9a72aeaee59ff6cb3582b35133d50;

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

    /**
     * @dev Stores a new beacon in the EIP1967 beacon slot.
     */
    function _setBeacon(address newBeacon) private {
        require(Address.isContract(newBeacon), "ERC1967: new beacon is not a contract");
        require(
            Address.isContract(IBeacon(newBeacon).implementation()),
            "ERC1967: beacon implementation is not a contract"
        );
        StorageSlot.getAddressSlot(_BEACON_SLOT).value = newBeacon;
    }

    /**
     * @dev Perform beacon upgrade with additional setup call. Note: This upgrades the address of the beacon, it does
     * not upgrade the implementation contained in the beacon (see {UpgradeableBeacon-_setImplementation} for that).
     *
     * Emits a {BeaconUpgraded} event.
     */
    function _upgradeBeaconToAndCall(address newBeacon, bytes memory data, bool forceCall) internal {
        _setBeacon(newBeacon);
        emit BeaconUpgraded(newBeacon);
        if (data.length > 0 || forceCall) {
            Address.functionDelegateCall(IBeacon(newBeacon).implementation(), data);
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (interfaces/IERC1271.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC1271 standard signature validation method for
 * contracts as defined in https://eips.ethereum.org/EIPS/eip-1271[ERC-1271].
 *
 * _Available since v4.1._
 */
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 v4.9.0) (token/ERC721/utils/ERC721Holder.sol)

pragma solidity ^0.8.0;

import "../IERC721Receiver.sol";

/**
 * @dev Implementation of the {IERC721Receiver} interface.
 *
 * Accepts all token transfers.
 * Make sure the contract is able to use its token with {IERC721-safeTransferFrom}, {IERC721-approve} or {IERC721-setApprovalForAll}.
 */
contract ERC721Holder is IERC721Receiver {
    /**
     * @dev See {IERC721Receiver-onERC721Received}.
     *
     * Always returns `IERC721Receiver.onERC721Received.selector`.
     */
    function onERC721Received(address, address, uint256, bytes memory) public virtual override returns (bytes4) {
        return this.onERC721Received.selector;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (token/ERC1155/utils/ERC1155Holder.sol)

pragma solidity ^0.8.0;

import "./ERC1155Receiver.sol";

/**
 * Simple implementation of `ERC1155Receiver` that will allow a contract to hold ERC1155 tokens.
 *
 * IMPORTANT: When inheriting this contract, you must include a way to use the received tokens, otherwise they will be
 * stuck.
 *
 * @dev _Available since v3.1._
 */
contract ERC1155Holder is ERC1155Receiver {
    function onERC1155Received(
        address,
        address,
        uint256,
        uint256,
        bytes memory
    ) public virtual override returns (bytes4) {
        return this.onERC1155Received.selector;
    }

    function onERC1155BatchReceived(
        address,
        address,
        uint256[] memory,
        uint256[] memory,
        bytes memory
    ) public virtual override returns (bytes4) {
        return this.onERC1155BatchReceived.selector;
    }
}

// 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: MIT
// OpenZeppelin Contracts (last updated v4.9.4) (metatx/ERC2771Context.sol)

pragma solidity ^0.8.9;

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

/**
 * @dev Context variant with ERC2771 support.
 *
 * WARNING: The usage of `delegatecall` in this contract is dangerous and may result in context corruption.
 * Any forwarded request to this contract triggering a `delegatecall` to itself will result in an invalid {_msgSender}
 * recovery.
 */
abstract contract ERC2771Context is Context {
    /// @custom:oz-upgrades-unsafe-allow state-variable-immutable
    address private immutable _trustedForwarder;

    /// @custom:oz-upgrades-unsafe-allow constructor
    constructor(address trustedForwarder) {
        _trustedForwarder = trustedForwarder;
    }

    function isTrustedForwarder(address forwarder) public view virtual returns (bool) {
        return forwarder == _trustedForwarder;
    }

    function _msgSender() internal view virtual override returns (address) {
        uint256 calldataLength = msg.data.length;
        uint256 contextSuffixLength = _contextSuffixLength();
        if (isTrustedForwarder(msg.sender) && calldataLength >= contextSuffixLength) {
            return address(bytes20(msg.data[calldataLength - contextSuffixLength:]));
        } else {
            return super._msgSender();
        }
    }

    function _msgData() internal view virtual override returns (bytes calldata) {
        uint256 calldataLength = msg.data.length;
        uint256 contextSuffixLength = _contextSuffixLength();
        if (isTrustedForwarder(msg.sender) && calldataLength >= contextSuffixLength) {
            return msg.data[:calldataLength - contextSuffixLength];
        } else {
            return super._msgData();
        }
    }

    /**
     * @dev ERC-2771 specifies the context as being a single address (20 bytes).
     */
    function _contextSuffixLength() internal view virtual override returns (uint256) {
        return 20;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.2) (utils/cryptography/MerkleProof.sol)

pragma solidity ^0.8.0;

/**
 * @dev These functions deal with verification of Merkle Tree proofs.
 *
 * The tree and the proofs can be generated using our
 * https://github.com/OpenZeppelin/merkle-tree[JavaScript library].
 * You will find a quickstart guide in the readme.
 *
 * WARNING: You should avoid using leaf values that are 64 bytes long prior to
 * hashing, or use a hash function other than keccak256 for hashing leaves.
 * This is because the concatenation of a sorted pair of internal nodes in
 * the merkle tree could be reinterpreted as a leaf value.
 * OpenZeppelin's JavaScript library generates merkle trees that are safe
 * against this attack out of the box.
 */
library MerkleProof {
    /**
     * @dev Returns true if a `leaf` can be proved to be a part of a Merkle tree
     * defined by `root`. For this, a `proof` must be provided, containing
     * sibling hashes on the branch from the leaf to the root of the tree. Each
     * pair of leaves and each pair of pre-images are assumed to be sorted.
     */
    function verify(bytes32[] memory proof, bytes32 root, bytes32 leaf) internal pure returns (bool) {
        return processProof(proof, leaf) == root;
    }

    /**
     * @dev Calldata version of {verify}
     *
     * _Available since v4.7._
     */
    function verifyCalldata(bytes32[] calldata proof, bytes32 root, bytes32 leaf) internal pure returns (bool) {
        return processProofCalldata(proof, leaf) == root;
    }

    /**
     * @dev Returns the rebuilt hash obtained by traversing a Merkle tree up
     * from `leaf` using `proof`. A `proof` is valid if and only if the rebuilt
     * hash matches the root of the tree. When processing the proof, the pairs
     * of leafs & pre-images are assumed to be sorted.
     *
     * _Available since v4.4._
     */
    function processProof(bytes32[] memory proof, bytes32 leaf) internal pure returns (bytes32) {
        bytes32 computedHash = leaf;
        for (uint256 i = 0; i < proof.length; i++) {
            computedHash = _hashPair(computedHash, proof[i]);
        }
        return computedHash;
    }

    /**
     * @dev Calldata version of {processProof}
     *
     * _Available since v4.7._
     */
    function processProofCalldata(bytes32[] calldata proof, bytes32 leaf) internal pure returns (bytes32) {
        bytes32 computedHash = leaf;
        for (uint256 i = 0; i < proof.length; i++) {
            computedHash = _hashPair(computedHash, proof[i]);
        }
        return computedHash;
    }

    /**
     * @dev Returns true if the `leaves` can be simultaneously proven to be a part of a merkle tree defined by
     * `root`, according to `proof` and `proofFlags` as described in {processMultiProof}.
     *
     * CAUTION: Not all merkle trees admit multiproofs. See {processMultiProof} for details.
     *
     * _Available since v4.7._
     */
    function multiProofVerify(
        bytes32[] memory proof,
        bool[] memory proofFlags,
        bytes32 root,
        bytes32[] memory leaves
    ) internal pure returns (bool) {
        return processMultiProof(proof, proofFlags, leaves) == root;
    }

    /**
     * @dev Calldata version of {multiProofVerify}
     *
     * CAUTION: Not all merkle trees admit multiproofs. See {processMultiProof} for details.
     *
     * _Available since v4.7._
     */
    function multiProofVerifyCalldata(
        bytes32[] calldata proof,
        bool[] calldata proofFlags,
        bytes32 root,
        bytes32[] memory leaves
    ) internal pure returns (bool) {
        return processMultiProofCalldata(proof, proofFlags, leaves) == root;
    }

    /**
     * @dev Returns the root of a tree reconstructed from `leaves` and sibling nodes in `proof`. The reconstruction
     * proceeds by incrementally reconstructing all inner nodes by combining a leaf/inner node with either another
     * leaf/inner node or a proof sibling node, depending on whether each `proofFlags` item is true or false
     * respectively.
     *
     * CAUTION: Not all merkle trees admit multiproofs. To use multiproofs, it is sufficient to ensure that: 1) the tree
     * is complete (but not necessarily perfect), 2) the leaves to be proven are in the opposite order they are in the
     * tree (i.e., as seen from right to left starting at the deepest layer and continuing at the next layer).
     *
     * _Available since v4.7._
     */
    function processMultiProof(
        bytes32[] memory proof,
        bool[] memory proofFlags,
        bytes32[] memory leaves
    ) internal pure returns (bytes32 merkleRoot) {
        // This function rebuilds the root hash by traversing the tree up from the leaves. The root is rebuilt by
        // consuming and producing values on a queue. The queue starts with the `leaves` array, then goes onto the
        // `hashes` array. At the end of the process, the last hash in the `hashes` array should contain the root of
        // the merkle tree.
        uint256 leavesLen = leaves.length;
        uint256 proofLen = proof.length;
        uint256 totalHashes = proofFlags.length;

        // Check proof validity.
        require(leavesLen + proofLen - 1 == totalHashes, "MerkleProof: invalid multiproof");

        // The xxxPos values are "pointers" to the next value to consume in each array. All accesses are done using
        // `xxx[xxxPos++]`, which return the current value and increment the pointer, thus mimicking a queue's "pop".
        bytes32[] memory hashes = new bytes32[](totalHashes);
        uint256 leafPos = 0;
        uint256 hashPos = 0;
        uint256 proofPos = 0;
        // At each step, we compute the next hash using two values:
        // - a value from the "main queue". If not all leaves have been consumed, we get the next leaf, otherwise we
        //   get the next hash.
        // - depending on the flag, either another value from the "main queue" (merging branches) or an element from the
        //   `proof` array.
        for (uint256 i = 0; i < totalHashes; i++) {
            bytes32 a = leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++];
            bytes32 b = proofFlags[i]
                ? (leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++])
                : proof[proofPos++];
            hashes[i] = _hashPair(a, b);
        }

        if (totalHashes > 0) {
            require(proofPos == proofLen, "MerkleProof: invalid multiproof");
            unchecked {
                return hashes[totalHashes - 1];
            }
        } else if (leavesLen > 0) {
            return leaves[0];
        } else {
            return proof[0];
        }
    }

    /**
     * @dev Calldata version of {processMultiProof}.
     *
     * CAUTION: Not all merkle trees admit multiproofs. See {processMultiProof} for details.
     *
     * _Available since v4.7._
     */
    function processMultiProofCalldata(
        bytes32[] calldata proof,
        bool[] calldata proofFlags,
        bytes32[] memory leaves
    ) internal pure returns (bytes32 merkleRoot) {
        // This function rebuilds the root hash by traversing the tree up from the leaves. The root is rebuilt by
        // consuming and producing values on a queue. The queue starts with the `leaves` array, then goes onto the
        // `hashes` array. At the end of the process, the last hash in the `hashes` array should contain the root of
        // the merkle tree.
        uint256 leavesLen = leaves.length;
        uint256 proofLen = proof.length;
        uint256 totalHashes = proofFlags.length;

        // Check proof validity.
        require(leavesLen + proofLen - 1 == totalHashes, "MerkleProof: invalid multiproof");

        // The xxxPos values are "pointers" to the next value to consume in each array. All accesses are done using
        // `xxx[xxxPos++]`, which return the current value and increment the pointer, thus mimicking a queue's "pop".
        bytes32[] memory hashes = new bytes32[](totalHashes);
        uint256 leafPos = 0;
        uint256 hashPos = 0;
        uint256 proofPos = 0;
        // At each step, we compute the next hash using two values:
        // - a value from the "main queue". If not all leaves have been consumed, we get the next leaf, otherwise we
        //   get the next hash.
        // - depending on the flag, either another value from the "main queue" (merging branches) or an element from the
        //   `proof` array.
        for (uint256 i = 0; i < totalHashes; i++) {
            bytes32 a = leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++];
            bytes32 b = proofFlags[i]
                ? (leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++])
                : proof[proofPos++];
            hashes[i] = _hashPair(a, b);
        }

        if (totalHashes > 0) {
            require(proofPos == proofLen, "MerkleProof: invalid multiproof");
            unchecked {
                return hashes[totalHashes - 1];
            }
        } else if (leavesLen > 0) {
            return leaves[0];
        } else {
            return proof[0];
        }
    }

    function _hashPair(bytes32 a, bytes32 b) private pure returns (bytes32) {
        return a < b ? _efficientHash(a, b) : _efficientHash(b, a);
    }

    function _efficientHash(bytes32 a, bytes32 b) private pure returns (bytes32 value) {
        /// @solidity memory-safe-assembly
        assembly {
            mstore(0x00, a)
            mstore(0x20, b)
            value := keccak256(0x00, 0x40)
        }
    }
}

// SPDX-License-Identifier: AGPL-3.0-only
pragma solidity 0.8.23;

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

interface IWETH is IERC20 {
    function deposit() external payable;
    function withdraw(uint256 amount) external;
}

// SPDX-License-Identifier: AGPL-3.0-only
pragma solidity 0.8.23;

import {ISmartAccountOwnerResolver} from "src/interfaces/ISmartAccountOwnerResolver.sol";
import {SmartAccountFactory} from "src/SmartAccountFactory.sol";
import {
    AddressNotContract,
    OwnerAlreadySet,
    OnlySmartAccountFactory,
    ZeroAddress
} from "src/Errors.sol";

/// @author MassMoney
/// @notice Stores owner of Mass Smart Accounts
/// @dev Update of owner can only be done by the SmartAccountFactory.
contract SmartAccountOwnerResolver is ISmartAccountOwnerResolver {
    /// @notice SmartAccountFactory proxy contract address
    address public immutable smartAccountFactory;

    /// @notice Smart Account address to owner.
    mapping(address => address) public override ownerOf;

    /// @notice Emitted when the owner of a Mass Smart Account is updated.
    event OwnerUpdated(address indexed massSmartAccount, address indexed owner);

    constructor(address _smartAccountFactory) {
        if (_smartAccountFactory.code.length == 0) revert AddressNotContract(_smartAccountFactory);
        smartAccountFactory = _smartAccountFactory;
    }

    /// @notice Modifier to check if the caller is the SmartAccountFactory
    modifier onlySmartAccountFactory() {
        if (msg.sender != smartAccountFactory) revert OnlySmartAccountFactory(msg.sender);
        _;
    }

    /// @notice Set owner for a mass smart account
    /// @dev    Only the SmartAccountFactory can call this function
    /// @param massSmartAccount massSmartAccount address for which owner is set.
    /// @param owner Owner address of the massSmartAccount
    function setOwner(address massSmartAccount, address owner) external onlySmartAccountFactory {
        if (owner == address(0)) revert ZeroAddress();
        if (massSmartAccount.code.length == 0) revert AddressNotContract(massSmartAccount);

        // The owner can be set only once. It ensures censorship resistance as the SmartAccountFactory is upgradable.
        address currentOwner = ownerOf[massSmartAccount];
        if (currentOwner != address(0)) {
            revert OwnerAlreadySet();
        }

        ownerOf[massSmartAccount] = owner;
        emit OwnerUpdated(massSmartAccount, owner);
    }
}

// SPDX-License-Identifier: AGPL-3.0-only
pragma solidity 0.8.23;

import {Address} from "openzeppelin/utils/Address.sol";
import {SafeERC20} from "openzeppelin/token/ERC20/utils/SafeERC20.sol";
import {IWETH} from "src/interfaces/external/IWETH.sol";
import {AddressNotContract, SenderNotWeth} from "src/Errors.sol";

/// @title Native token withdrawer
/// @dev Withdraw native token from the wrapper contract on behalf
///      of the sender. The Proxy.huff contract is not able to receive
///      native tokens from contracts via `transfer`. This intermediary contract
///      is needed to receive the native tokens and then send them to the
///      Proxy.huff contract.
contract WithdrawerWeth {
    using SafeERC20 for IWETH;

    IWETH public immutable weth;

    constructor(address _weth) {
        if (_weth.code.length == 0) {
            revert AddressNotContract(_weth);
        }
        weth = IWETH(_weth);
    }

    receive() external payable {
        if (msg.sender != address(weth)) {
            revert SenderNotWeth(msg.sender);
        }
    }

    /// @notice Withdraw native token from wrapper contract
    /// @param amount The amount to withdraw
    function withdraw(uint256 amount) external {
        weth.safeTransferFrom(msg.sender, address(this), amount);
        weth.withdraw(amount);
        Address.sendValue(payable(msg.sender), amount);
    }
}

// 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 v4.4.1 (proxy/beacon/IBeacon.sol)

pragma solidity ^0.8.0;

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (interfaces/IERC1967.sol)

pragma solidity ^0.8.0;

/**
 * @dev ERC-1967: Proxy Storage Slots. This interface contains the events defined in the ERC.
 *
 * _Available since v4.8.3._
 */
interface IERC1967 {
    /**
     * @dev Emitted when the implementation is upgraded.
     */
    event Upgraded(address indexed implementation);

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/StorageSlot.sol)
// This file was procedurally generated from scripts/generate/templates/StorageSlot.js.

pragma solidity ^0.8.0;

/**
 * @dev Library for reading and writing primitive types to specific storage slots.
 *
 * Storage slots are often used to avoid storage conflict when dealing with upgradeable contracts.
 * This library helps with reading and writing to such slots without the need for inline assembly.
 *
 * The functions in this library return Slot structs that contain a `value` member that can be used to read or write.
 *
 * Example usage to set ERC1967 implementation slot:
 * ```solidity
 * contract ERC1967 {
 *     bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;
 *
 *     function _getImplementation() internal view returns (address) {
 *         return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;
 *     }
 *
 *     function _setImplementation(address newImplementation) internal {
 *         require(Address.isContract(newImplementation), "ERC1967: new implementation is not a contract");
 *         StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;
 *     }
 * }
 * ```
 *
 * _Available since v4.1 for `address`, `bool`, `bytes32`, `uint256`._
 * _Available since v4.9 for `string`, `bytes`._
 */
library StorageSlot {
    struct AddressSlot {
        address value;
    }

    struct BooleanSlot {
        bool value;
    }

    struct Bytes32Slot {
        bytes32 value;
    }

    struct Uint256Slot {
        uint256 value;
    }

    struct StringSlot {
        string value;
    }

    struct BytesSlot {
        bytes value;
    }

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

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

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

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

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

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC721/IERC721Receiver.sol)

pragma solidity ^0.8.0;

/**
 * @title ERC721 token receiver interface
 * @dev Interface for any contract that wants to support safeTransfers
 * from ERC721 asset contracts.
 */
interface IERC721Receiver {
    /**
     * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom}
     * by `operator` from `from`, this function is called.
     *
     * It must return its Solidity selector to confirm the token transfer.
     * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted.
     *
     * The selector can be obtained in Solidity with `IERC721Receiver.onERC721Received.selector`.
     */
    function onERC721Received(
        address operator,
        address from,
        uint256 tokenId,
        bytes calldata data
    ) external returns (bytes4);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC1155/utils/ERC1155Receiver.sol)

pragma solidity ^0.8.0;

import "../IERC1155Receiver.sol";
import "../../../utils/introspection/ERC165.sol";

/**
 * @dev _Available since v3.1._
 */
abstract contract ERC1155Receiver is ERC165, IERC1155Receiver {
    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {
        return interfaceId == type(IERC1155Receiver).interfaceId || super.supportsInterface(interfaceId);
    }
}

// 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) (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 v4.9.3) (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 v4.5.0) (token/ERC1155/IERC1155Receiver.sol)

pragma solidity ^0.8.0;

import "../../utils/introspection/IERC165.sol";

/**
 * @dev _Available since v3.1._
 */
interface IERC1155Receiver is IERC165 {
    /**
     * @dev Handles the receipt of a single ERC1155 token type. This function is
     * called at the end of a `safeTransferFrom` after the balance has been updated.
     *
     * NOTE: To accept the transfer, this must return
     * `bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)"))`
     * (i.e. 0xf23a6e61, or its own function selector).
     *
     * @param operator The address which initiated the transfer (i.e. msg.sender)
     * @param from The address which previously owned the token
     * @param id The ID of the token being transferred
     * @param value The amount of tokens being transferred
     * @param data Additional data with no specified format
     * @return `bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)"))` if transfer is allowed
     */
    function onERC1155Received(
        address operator,
        address from,
        uint256 id,
        uint256 value,
        bytes calldata data
    ) external returns (bytes4);

    /**
     * @dev Handles the receipt of a multiple ERC1155 token types. This function
     * is called at the end of a `safeBatchTransferFrom` after the balances have
     * been updated.
     *
     * NOTE: To accept the transfer(s), this must return
     * `bytes4(keccak256("onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)"))`
     * (i.e. 0xbc197c81, or its own function selector).
     *
     * @param operator The address which initiated the batch transfer (i.e. msg.sender)
     * @param from The address which previously owned the token
     * @param ids An array containing ids of each token being transferred (order and length must match values array)
     * @param values An array containing amounts of each token being transferred (order and length must match ids array)
     * @param data Additional data with no specified format
     * @return `bytes4(keccak256("onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)"))` if transfer is allowed
     */
    function onERC1155BatchReceived(
        address operator,
        address from,
        uint256[] calldata ids,
        uint256[] calldata values,
        bytes calldata data
    ) external returns (bytes4);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)

pragma solidity ^0.8.0;

import "./IERC165.sol";

/**
 * @dev Implementation of the {IERC165} interface.
 *
 * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check
 * for the additional interface id that will be supported. For example:
 *
 * ```solidity
 * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
 *     return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);
 * }
 * ```
 *
 * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.
 */
abstract contract ERC165 is IERC165 {
    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return interfaceId == type(IERC165).interfaceId;
    }
}

// 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);
        }
    }
}

// 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 v4.4.1 (utils/introspection/IERC165.sol)

pragma solidity ^0.8.0;

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

{
  "remappings": [
    "ds-test/=lib/solmate/lib/ds-test/src/",
    "forge-std/=lib/forge-std/src/",
    "openzeppelin/=lib/openzeppelin-contracts/contracts/",
    "solmate/=lib/solmate/src/",
    "hyvm/=lib/hyvm/src/",
    "@uniswap/=lib/uniswap/",
    "murky/=lib/murky/",
    "@openzeppelin/=lib/HyVM/lib/openzeppelin-contracts/",
    "HyVM/=lib/HyVM/",
    "erc4626-tests/=lib/openzeppelin-contracts/lib/erc4626-tests/",
    "foundry-huff/=lib/HyVM/lib/foundry-huff/src/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/",
    "solidity-stringutils/=lib/solidity-stringutils/",
    "stringutils/=lib/HyVM/lib/foundry-huff/lib/solidity-stringutils/",
    "uniswap/=lib/uniswap/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 10000
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "ipfs",
    "appendCBOR": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "paris",
  "viaIR": false
}

• No Contract Security Audit Submitted- Submit Audit Here

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ISmartAccountOwnerResolver","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newImplementation","type":"address"}],"name":"upgradeTo","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newImplementation","type":"address"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"upgradeToAndCall","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"weth","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"withdrawerWeth","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"}]

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00000000000000000000000000000000000000000000000000000000000000400000000000000000000000008331b74d99b21e1bceb0799099e408de7dd192d100000000000000000000000000000000000000000000000000000000000000726063601401808038036000396000f37faaf10f42000000000000000000000000000000000000000000000000000000006000526014803803604c39602080600460006040515afa61004057600080fd5b6000803660006020515a3660008037f43d6000803e61005e573d6000fd5b3d6000f30000000000000000000000000000

-----Decoded View---------------
Arg [0] : _proxyByteCode (bytes): 0x6063601401808038036000396000f37faaf10f42000000000000000000000000000000000000000000000000000000006000526014803803604c39602080600460006040515afa61004057600080fd5b6000803660006020515a3660008037f43d6000803e61005e573d6000fd5b3d6000f3
Arg [1] : _initializer (address): 0x8331b74D99B21E1bceb0799099e408De7dD192D1

-----Encoded View---------------
7 Constructor Arguments found :
Arg [0] : 0000000000000000000000000000000000000000000000000000000000000040
Arg [1] : 0000000000000000000000008331b74d99b21e1bceb0799099e408de7dd192d1
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000072
Arg [3] : 6063601401808038036000396000f37faaf10f42000000000000000000000000
Arg [4] : 000000000000000000000000000000006000526014803803604c396020806004
Arg [5] : 60006040515afa61004057600080fd5b6000803660006020515a3660008037f4
Arg [6] : 3d6000803e61005e573d6000fd5b3d6000f30000000000000000000000000000