PSTORAGE1_Factory

Description:

Multi-signature wallet contract requiring multiple confirmations for transaction execution.

Blockchain: Ethereum

Source Code: View Code On The Blockchain

Solidity Source Code:

{{
  "language": "Solidity",
  "sources": {
    "contracts/PSTORAGE#1_Factory.sol": {
      "content": "// SPDX-License-Identifier: MIT\r
pragma solidity ^0.8.20;\r
\r
\r
import "@openzeppelin/contracts/access/Ownable.sol";\r
import "@openzeppelin/contracts/utils/ReentrancyGuard.sol";\r
import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";\r
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";\r
\r
contract PSTORAGE1_Factory is Ownable, ReentrancyGuard {\r
    using SafeERC20 for IERC20;\r
\r
    // ========== Configurable Parameters ==========\r
    uint256 public deployFeeParam = 100;\r
    uint256 public nextId = 1;\r
    uint256 public contractQt = 1;\r
    uint256 public blockUpdate = 0;\r
    bool public updateAllowed = true;\r
    bool public directTokenDeployEnabled = true;\r
\r
    bytes public TARGET_BYTECODE;\r
    IERC20 public immutable CHAIN_GALLERY_TOKEN;\r
    uint256 public constant CHAIN_GALLERY_DEPLOY_AMOUNT = 100 * 10**18;\r
\r
    // ========== Constants ==========\r
    uint256 private constant OWNER_WITHDRAW_TRIGGER = 0.000001 ether;\r
\r
    // ========== Data Structures ==========\r
    struct DeploymentRecord {\r
        uint256 deploymentId;\r
        address contractAddress;\r
        uint256 timestamp;\r
        uint256 blockNumber;\r
    }\r
\r
    // ========== Mappings ==========\r
    mapping(address => DeploymentRecord[]) public userDeployments;\r
    mapping(address => uint256) public userDeploymentCount;\r
    mapping(uint256 => address) public deploymentToOwner;\r
    mapping(address => bool) public deployedContracts;\r
\r
    // ========== Events ==========\r
    event ContractDeployed(address indexed newContract, uint256 indexed id, address indexed deployer);\r
    event BytecodeUpdated(bytes newBytecode);\r
    event DeployFeeParamUpdated(uint256 newDeployFeeParam);\r
    event OwnerWithdrawn(uint256 amount);\r
    event TokenTransferSkipped(address indexed deployedContract, uint256 requiredAmount, uint256 availableAmount);\r
    event BlockUpdateBytecode(uint256 blockUpdate);\r
    event UpdatePermissionChanged(bool allowed);\r
    event TokenReceived(address indexed sender, uint256 amount);\r
    event DeploymentRecorded(address indexed user, address indexed contractAddress, uint256 deploymentId);\r
    event DirectTokenDeployment(address indexed user, uint256 amount);\r
\r
    constructor() Ownable(msg.sender) {\r
        TARGET_BYTECODE = hex"";\r
        CHAIN_GALLERY_TOKEN = IERC20(0xabDd46Fa745c0F72B6A8e86FfdD5e15961b0e1F0); // ChainGallery token\r
        emit BytecodeUpdated(TARGET_BYTECODE);\r
    }\r
\r
    // ========== Owner Management ==========\r
\r
    function updateBytecode(bytes calldata newBytecode) external onlyOwner {\r
        require(updateAllowed, "Bytecode updates disabled");\r
        updateAllowed = false;\r
        TARGET_BYTECODE = newBytecode;\r
        emit BytecodeUpdated(newBytecode);\r
    }\r
\r
    function setUpdateAllowed(bool allowed) external onlyOwner {\r
        require(blockUpdate <= 1, "Bytecode updates locked");\r
        updateAllowed = allowed;\r
        emit UpdatePermissionChanged(allowed);\r
    }\r
\r
    function setDirectTokenDeployEnabled(bool enabled) external onlyOwner {\r
        directTokenDeployEnabled = enabled;\r
    }\r
\r
    function blockUpdateBytecode() external onlyOwner {\r
        blockUpdate = 2;\r
        emit BlockUpdateBytecode(blockUpdate);\r
    }\r
\r
    function updateDeployFeeParam(uint256 newParam) external onlyOwner {\r
        require(newParam > 0, "Param must be > 0");\r
        deployFeeParam = newParam;\r
        emit DeployFeeParamUpdated(newParam);\r
    }\r
\r
    // ========== Token-triggered Deployment ==========\r
    function onTokenTransfer(address from, uint256 amount, bytes calldata)\r
        external\r
        nonReentrant\r
        returns (bool)\r
    {\r
        require(msg.sender == address(CHAIN_GALLERY_TOKEN), "Only ChainGallery token transfers allowed");\r
        require(amount == CHAIN_GALLERY_DEPLOY_AMOUNT, "Incorrect token amount");\r
        require(directTokenDeployEnabled, "Direct token deployment disabled");\r
        require(TARGET_BYTECODE.length > 0, "Bytecode not set");\r
\r
        address deployedContract = _deployContract(from);\r
\r
        uint256 currentBalance = CHAIN_GALLERY_TOKEN.balanceOf(address(this));\r
        bool canTransferToken = currentBalance >= CHAIN_GALLERY_DEPLOY_AMOUNT;\r
\r
        if (canTransferToken) {\r
            CHAIN_GALLERY_TOKEN.safeTransfer(deployedContract, CHAIN_GALLERY_DEPLOY_AMOUNT);\r
        } else {\r
            emit TokenTransferSkipped(deployedContract, CHAIN_GALLERY_DEPLOY_AMOUNT, currentBalance);\r
        }\r
\r
        _recordDeployment(from, deployedContract);\r
\r
        emit TokenReceived(from, amount);\r
        emit DirectTokenDeployment(from, amount);\r
        return true;\r
    }\r
\r
    // ========== Internal Core Deployment ==========\r
    function _deployContract(address sender) internal returns (address deployed) {\r
        require(TARGET_BYTECODE.length > 0, "Bytecode not set");\r
\r
        uint256 id = nextId;\r
        bytes memory creationCode = abi.encodePacked(\r
            TARGET_BYTECODE,\r
            abi.encode(id, deployFeeParam, address(this), sender, CHAIN_GALLERY_TOKEN)\r
        );\r
\r
        // ✅ Fixed deterministic salt (predictable address)\r
        bytes32 salt = keccak256(abi.encodePacked(id, sender));\r
\r
        assembly {\r
            let encoded_data := add(creationCode, 0x20)\r
            let encoded_size := mload(creationCode)\r
            deployed := create2(0, encoded_data, encoded_size, salt)\r
        }\r
\r
        require(deployed != address(0), "Deployment failed");\r
\r
        deployedContracts[deployed] = true;\r
        deploymentToOwner[id] = sender;\r
\r
        emit ContractDeployed(deployed, id, sender);\r
\r
        nextId++;\r
        contractQt++;\r
        return deployed;\r
    }\r
\r
    // ========== Deployment Recording ==========\r
    function _recordDeployment(address user, address contractAddress) internal {\r
        uint256 deploymentId = nextId - 1;\r
\r
        DeploymentRecord memory newRecord = DeploymentRecord({\r
            deploymentId: deploymentId,\r
            contractAddress: contractAddress,\r
            timestamp: block.timestamp,\r
            blockNumber: block.number\r
        });\r
\r
        userDeployments[user].push(newRecord);\r
        userDeploymentCount[user]++;\r
\r
        emit DeploymentRecorded(user, contractAddress, deploymentId);\r
    }\r
\r
    // ========== User Deployment Query Functions ==========\r
    function getUserDeployments(address user) external view returns (DeploymentRecord[] memory) {\r
        return userDeployments[user];\r
    }\r
\r
    function getUserDeploymentCount(address user) external view returns (uint256) {\r
        return userDeploymentCount[user];\r
    }\r
\r
    function getUserDeploymentAtIndex(address user, uint256 index) external view returns (DeploymentRecord memory) {\r
        require(index < userDeploymentCount[user], "Index out of bounds");\r
        return userDeployments[user][index];\r
    }\r
\r
    function getRecentUserDeployments(address user, uint256 count) external view returns (DeploymentRecord[] memory) {\r
        uint256 totalDeployments = userDeploymentCount[user];\r
        if (count > totalDeployments) count = totalDeployments;\r
\r
        DeploymentRecord[] memory recentDeployments = new DeploymentRecord[](count);\r
        for (uint256 i = 0; i < count; i++) {\r
            recentDeployments[i] = userDeployments[user][totalDeployments - 1 - i];\r
        }\r
        return recentDeployments;\r
    }\r
\r
    // ========== Manual Deployment (Approved Tokens) ==========\r
    function deployWithTokens() external nonReentrant returns (address deployed) {\r
        require(TARGET_BYTECODE.length > 0, "Bytecode not set");\r
\r
        CHAIN_GALLERY_TOKEN.safeTransferFrom(msg.sender, address(this), CHAIN_GALLERY_DEPLOY_AMOUNT);\r
\r
        deployed = _deployContract(msg.sender);\r
\r
        CHAIN_GALLERY_TOKEN.safeTransfer(deployed, CHAIN_GALLERY_DEPLOY_AMOUNT);\r
\r
        _recordDeployment(msg.sender, deployed);\r
    }\r
\r
    // ========== Admin Withdrawals ==========\r
    receive() external payable {\r
        if (msg.sender == owner() && msg.value == OWNER_WITHDRAW_TRIGGER) {\r
            uint256 bal = address(this).balance;\r
            if (bal > 0) {\r
                (bool success, ) = payable(owner()).call{value: bal}("");\r
                require(success, "Withdrawal failed");\r
                emit OwnerWithdrawn(bal);\r
            }\r
            return;\r
        }\r
        revert("Send ChainGallery tokens directly to deploy");\r
    }\r
\r
    function withdraw(address payable to) external onlyOwner nonReentrant {\r
        require(to != address(0), "Zero address");\r
        uint256 bal = address(this).balance;\r
        (bool success, ) = to.call{value: bal}("");\r
        require(success, "Withdrawal failed");\r
        emit OwnerWithdrawn(bal);\r
    }\r
\r
    function withdrawToken(address token, address to, uint256 amount) external onlyOwner nonReentrant {\r
        require(token != address(0), "Invalid token address");\r
        require(to != address(0), "Invalid recipient");\r
        require(amount > 0, "Amount must be > 0");\r
        IERC20(token).safeTransfer(to, amount);\r
    }\r
\r
    function depositChainGallery(uint256 amount) external onlyOwner nonReentrant {\r
        require(amount > 0, "Amount must be > 0");\r
        CHAIN_GALLERY_TOKEN.safeTransferFrom(msg.sender, address(this), amount);\r
    }\r
\r
    function rescueTokens(address tokenAddress, address to, uint256 amount) external onlyOwner nonReentrant {\r
        require(tokenAddress != address(0), "Invalid token address");\r
        require(to != address(0), "Invalid recipient");\r
        require(amount > 0, "Amount must be > 0");\r
\r
        IERC20(tokenAddress).safeTransfer(to, amount);\r
    }\r
\r
    // ========== Info Functions ==========\r
    function getContractQty() external view returns (uint256) {\r
        return contractQt;\r
    }\r
\r
    function getChainGalleryBalance() external view returns (uint256) {\r
        return CHAIN_GALLERY_TOKEN.balanceOf(address(this));\r
    }\r
\r
    function canTransferTokens() external view returns (bool) {\r
        return CHAIN_GALLERY_TOKEN.balanceOf(address(this)) >= CHAIN_GALLERY_DEPLOY_AMOUNT;\r
    }\r
\r
    function getTokenStatus() external view returns (uint256 required, uint256 available, bool canTransfer) {\r
        uint256 availableBalance = CHAIN_GALLERY_TOKEN.balanceOf(address(this));\r
        return (CHAIN_GALLERY_DEPLOY_AMOUNT, availableBalance, availableBalance >= CHAIN_GALLERY_DEPLOY_AMOUNT);\r
    }\r
\r
    function isDirectTokenDeployEnabled() external view returns (bool) {\r
        return directTokenDeployEnabled;\r
    }\r
\r
    // ========== Address Prediction ==========\r
    function predictDeployAddress(uint256 id, address sender) external view returns (address) {\r
        bytes memory creationCode = abi.encodePacked(\r
            TARGET_BYTECODE,\r
            abi.encode(id, deployFeeParam, address(this), sender, CHAIN_GALLERY_TOKEN)\r
        );\r
\r
        bytes32 hash = keccak256(\r
            abi.encodePacked(\r
                bytes1(0xff),\r
                address(this),\r
                keccak256(abi.encodePacked(id, sender)),\r
                keccak256(creationCode)\r
            )\r
        );\r
\r
        return address(uint160(uint256(hash)));\r
    }\r
\r
    // ========== Stats ==========\r
    function getDeploymentStats() external view returns (\r
        uint256 totalDeployed,\r
        uint256 currentFee,\r
        uint256 nextDeploymentId,\r
        uint256 tokenBalance,\r
        uint256 requiredTokenAmount,\r
        bool directTokenEnabled\r
    ) {\r
        return (\r
            contractQt - 1,\r
            0,\r
            nextId,\r
            CHAIN_GALLERY_TOKEN.balanceOf(address(this)),\r
            CHAIN_GALLERY_DEPLOY_AMOUNT,\r
            directTokenDeployEnabled\r
        );\r
    }\r
\r
    function getUserDeploymentStats(address user) external view returns (\r
        uint256 totalDeployments,\r
        uint256 firstDeploymentTime,\r
        uint256 lastDeploymentTime\r
    ) {\r
        totalDeployments = userDeploymentCount[user];\r
        if (totalDeployments == 0) return (0, 0, 0);\r
\r
        firstDeploymentTime = userDeployments[user][0].timestamp;\r
        lastDeploymentTime = userDeployments[user][totalDeployments - 1].timestamp;\r
    }\r
}\r
"
    },
    "@openzeppelin/contracts/token/ERC20/IERC20.sol": {
      "content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.4.0) (token/ERC20/IERC20.sol)

pragma solidity >=0.4.16;

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

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

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

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

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

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

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

    /**
     * @dev Moves a `value` amount of tokens from `from` to `to` using the
     * allowance mechanism. `value` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(address from, address to, uint256 value) external returns (bool);
}
"
    },
    "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol": {
      "content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.3.0) (token/ERC20/utils/SafeERC20.sol)

pragma solidity ^0.8.20;

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

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

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

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

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

    /**
     * @dev Variant of {safeTransfer} that returns a bool instead of reverting if the operation is not successful.
     */
    function trySafeTransfer(IERC20 token, address to, uint256 value) internal returns (bool) {
        return _callOptionalReturnBool(token, abi.encodeCall(token.transfer, (to, value)));
    }

    /**
     * @dev Variant of {safeTransferFrom} that returns a bool instead of reverting if the operation is not successful.
     */
    function trySafeTransferFrom(IERC20 token, address from, address to, uint256 value) internal returns (bool) {
        return _callOptionalReturnBool(token, abi.encodeCall(token.transferFrom, (from, to, value)));
    }

    /**
     * @dev Increase the calling contract's allowance toward `spender` by `value`. If `token` returns no value,
     * non-reverting calls are assumed to be successful.
     *
     * IMPORTANT: If the token implements ERC-7674 (ERC-20 with temporary allowance), and if the "client"
     * smart contract uses ERC-7674 to set temporary allowances, then the "client" smart contract should avoid using
     * this function. Performing a {safeIncreaseAllowance} or {safeDecreaseAllowance} operation on a token contract
     * that has a non-zero temporary allowance (for that particular owner-spender) will result in unexpected behavior.
     */
    function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {
        uint256 oldAllowance = token.allowance(address(this), spender);
        forceApprove(token, spender, oldAllowance + value);
    }

    /**
     * @dev Decrease the calling contract's allowance toward `spender` by `requestedDecrease`. If `token` returns no
     * value, non-reverting calls are assumed to be successful.
     *
     * IMPORTANT: If the token implements ERC-7674 (ERC-20 with temporary allowance), and if the "client"
     * smart contract uses ERC-7674 to set temporary allowances, then the "client" smart contract should avoid using
     * this function. Performing a {safeIncreaseAllowance} or {safeDecreaseAllowance} operation on a token contract
     * that has a non-zero temporary allowance (for that particular owner-spender) will result in unexpected behavior.
     */
    function safeDecreaseAllowance(IERC20 token, address spender, uint256 requestedDecrease) internal {
        unchecked {
            uint256 currentAllowance = token.allowance(address(this), spender);
            if (currentAllowance < requestedDecrease) {
                revert SafeERC20FailedDecreaseAllowance(spender, currentAllowance, requestedDecrease);
            }
            forceApprove(token, spender, currentAllowance - requestedDecrease);
        }
    }

    /**
     * @dev Set the calling contract's allowance toward `spender` to `value`. If `token` returns no value,
     * non-reverting calls are assumed to be successful. Meant to be used with tokens that require the approval
     * to be set to zero before setting it to a non-zero value, such as USDT.
     *
     * NOTE: If the token implements ERC-7674, this function will not modify any temporary allowance. This function
     * only sets the "standard" allowance. Any temporary allowance will remain active, in addition to the value being
     * set here.
     */
    function forceApprove(IERC20 token, address spender, uint256 value) internal {
        bytes memory approvalCall = abi.encodeCall(token.approve, (spender, value));

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

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

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

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

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

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

    /**
     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
     * on the return value: the return value is optional (but if data is returned, it must not be false).
     * @param token The token targeted by the call.
     * @param data The call data (encoded using abi.encode or one of its variants).
     *
     * This is a variant of {_callOptionalReturn} that silently catches all reverts and returns a bool instead.
     */
    function _callOptionalReturnBool(IERC20 token, bytes memory data) private returns (bool) {
        bool success;
        uint256 returnSize;
        uint256 returnValue;
        assembly ("memory-safe") {
            success := call(gas(), token, 0, add(data, 0x20), mload(data), 0, 0x20)
            returnSize := returndatasize()
            returnValue := mload(0)
        }
        return success && (returnSize == 0 ? address(token).code.length > 0 : returnValue == 1);
    }
}
"
    },
    "@openzeppelin/contracts/utils/ReentrancyGuard.sol": {
      "content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (utils/ReentrancyGuard.sol)

pragma solidity ^0.8.20;

/**
 * @dev Contract module that helps prevent reentrant calls to a function.
 *
 * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier
 * available, which can be applied to functions to make sure there are no nested
 * (reentrant) calls to them.
 *
 * Note that because there is a single `nonReentrant` guard, functions marked as
 * `nonReentrant` may not call one another. This can be worked around by making
 * those functions `private`, and then adding `external` `nonReentrant` entry
 * points to them.
 *
 * TIP: If EIP-1153 (transient storage) is available on the chain you're deploying at,
 * consider using {ReentrancyGuardTransient} instead.
 *
 * TIP: If you would like to learn more about reentrancy and alternative ways
 * to protect against it, check out our blog post
 * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
 */
abstract contract ReentrancyGuard {
    // Booleans are more expensive than uint256 or any type that takes up a full
    // word because each write operation emits an extra SLOAD to first read the
    // slot's contents, replace the bits taken up by the boolean, and then write
    // back. This is the compiler's defense against contract upgrades and
    // pointer aliasing, and it cannot be disabled.

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

    uint256 private _status;

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

    constructor() {
        _status = NOT_ENTERED;
    }

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

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

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

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

    /**
     * @dev Returns true if the reentrancy guard is currently set to "entered", which indicates there is a
     * `nonReentrant` function in the call stack.
     */
    function _reentrancyGuardEntered() internal view returns (bool) {
        return _status == ENTERED;
    }
}
"
    },
    "@openzeppelin/contracts/access/Ownable.sol": {
      "content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (access/Ownable.sol)

pragma solidity ^0.8.20;

import {Context} from "../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.
 *
 * The initial owner is set to the address provided by the deployer. This can
 * later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract Ownable is Context {
    address private _owner;

    /**
     * @dev The caller account is not authorized to perform an operation.
     */
    error OwnableUnauthorizedAccount(address account);

    /**
     * @dev The owner is not a valid owner account. (eg. `address(0)`)
     */
    error OwnableInvalidOwner(address owner);

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

    /**
     * @dev Initializes the contract setting the address provided by the deployer as the initial owner.
     */
    constructor(address initialOwner) {
        if (initialOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _transferOwnership(initialOwner);
    }

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

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

    /**
     * @dev Throws if the sender is not the owner.
     */
    function _checkOwner() internal view virtual {
        if (owner() != _msgSender()) {
            revert OwnableUnauthorizedAccount(_msgSender());
        }
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby disabling any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        _transferOwnership(address(0));
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        if (newOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _transferOwnership(newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}
"
    },
    "@openzeppelin/contracts/interfaces/IERC1363.sol": {
      "content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.4.0) (interfaces/IERC1363.sol)

pragma solidity >=0.6.2;

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

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

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

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

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

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

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

    /**
     * @dev Sets a `value` amount of tokens as the allowance of `spender` over the
     * caller's tokens and then calls {IERC1363Spender-onApprovalReceived} on `spender`.
     * @param spender The address which will spend the funds.
     * @param value The amount of tokens to be spent.
     * @param data Additional data with no specified format, sent in call to `spender`.
     * @return A boolean value indicating whether the operation succeeded unless throwing.
     */
    function approveAndCall(address spender, uint256 value, bytes calldata data) external returns (bool);
}
"
    },
    "@openzeppelin/contracts/utils/Context.sol": {
      "content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.1) (utils/Context.sol)

pragma solidity ^0.8.20;

/**
 * @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;
    }
}
"
    },
    "@openzeppelin/contracts/interfaces/IERC165.sol": {
      "content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.4.0) (interfaces/IERC165.sol)

pragma solidity >=0.4.16;

import {IERC165} from "../utils/introspection/IERC165.sol";
"
    },
    "@openzeppelin/contracts/interfaces/IERC20.sol": {
      "content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.4.0) (interfaces/IERC20.sol)

pragma solidity >=0.4.16;

import {IERC20} from "../token/ERC20/IERC20.sol";
"
    },
    "@openzeppelin/contracts/utils/introspection/IERC165.sol": {
      "content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.4.0) (utils/introspection/IERC165.sol)

pragma solidity >=0.4.16;

/**
 * @dev Interface of the ERC-165 standard, as defined in the
 * https://eips.ethereum.org/EIPS/eip-165[ERC].
 *
 * Implementers can declare support of contract interfaces, which can then be
 * queried by others ({ERC165Checker}).
 *
 * For an implementation, see {ERC165}.
 */
interface IERC165 {
    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[ERC section]
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30 000 gas.
     */
    function supportsInterface(bytes4 interfaceId) external view returns (bool);
}
"
    }
  },
  "settings": {
    "optimizer": {
      "enabled": false,
      "runs": 200
    },
    "outputSelection": {
      "*": {
        "*": [
          "evm.bytecode",
          "evm.deployedBytecode",
          "devdoc",
          "userdoc",
          "metadata",
          "abi"
        ]
      }
    },
    "remappings": []
  }
}}

Tags:
ERC20, ERC165, Multisig, Upgradeable, Multi-Signature, Factory|addr:0x421f5ac70616884ba0f6a429e650be858cba164f|verified:true|block:23722940|tx:0x80366eb9cb377b08dffe9cb542bbdfc485d20b6b6047a7959facc895385b8824|first_check:1762250980

Submitted on: 2025-11-04 11:09:43

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