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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.13;
import "@openzeppelin/contracts/access/Ownable.sol";

contract SurfBox is Ownable {
    address internal feeRecipient;
    uint256 public gasFee;

    error NoFund();
    error TransferFailed();

    mapping(address => uint256) private lastOpenDate;
    event OpenBox(address indexed sender, uint256 _timeOfLastUpdate);

    constructor(uint256 _gasFee, address _feeRecipient) {
        feeRecipient = _feeRecipient;
        gasFee = _gasFee;
    }

    function lootBox() external payable {
        if (msg.value != gasFee) {
            revert NoFund();
        }

        (bool success, ) = feeRecipient.call{value: msg.value}("");

        if (!success) {
            revert TransferFailed();
        }

        lastOpenDate[msg.sender] = block.timestamp;
        emit OpenBox(msg.sender, block.timestamp);
    }

    function updateConfig(
        uint256 _gasFee,
        address _feeRecipient
    ) external onlyOwner {
        feeRecipient = _feeRecipient;
        gasFee = _gasFee;
    }
}

// SPDX-License-Identifier: MIT

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() {
        _setOwner(_msgSender());
    }

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

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
        _;
    }

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

    function _setOwner(address newOwner) private {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

// SPDX-License-Identifier: MIT

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;
    }
}

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

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[{"inputs":[{"internalType":"uint256","name":"_gasFee","type":"uint256"},{"internalType":"address","name":"_feeRecipient","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"NoFund","type":"error"},{"inputs":[],"name":"TransferFailed","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"sender","type":"address"},{"indexed":false,"internalType":"uint256","name":"_timeOfLastUpdate","type":"uint256"}],"name":"OpenBox","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"inputs":[],"name":"gasFee","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"lootBox","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_gasFee","type":"uint256"},{"internalType":"address","name":"_feeRecipient","type":"address"}],"name":"updateConfig","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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000000000000000000000000000000000000000000000000000016bcc41e9000000000000000000000000000538f85f181fbae0d1cd2f190ec903eb21e434bd8

-----Decoded View---------------
Arg [0] : _gasFee (uint256): 25000000000000
Arg [1] : _feeRecipient (address): 0x538f85f181FbAE0d1cd2f190ec903EB21E434BD8

-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 000000000000000000000000000000000000000000000000000016bcc41e9000
Arg [1] : 000000000000000000000000538f85f181fbae0d1cd2f190ec903eb21e434bd8