// File: testcontract.sol



// SPDX-License-Identifier: MIT

// ==========================================================================================================================
//    ____     _   _    _  __  U _____ u U  ___ u  _____                  _       ____     ____              _   _     ____   
//   |  _"\ U |"|u| |  |"|/ /  \| ___"|/  \/"_ \/ |" ___|__        __ U  /"\  u U|  _"\ uU|  _"\ u  ___     | \ |"| U /"___|u 
//  /| | | | \| |\| |  | ' /    |  _|"    | | | |U| |_  u\"\      /"/  \/ _ \/  \| |_) |/\| |_) |/ |_"_|   <|  \| |>\| |  _ / 
//  U| |_| |\ | |_| |U/| . \\u  | |___.-,_| |_| |\|  _|/ /\ \ /\ / /\  / ___ \   |  __/   |  __/    | |    U| |\  |u | |_| |  
//   |____/ u<<\___/   |_|\_\   |_____|\_)-\___/  |_|   U  \ V  V /  U/_/   \_\  |_|      |_|     U/| |\u   |_| \_|   \____|  
//    |||_  (__) )(  ,-,>> \\,-.<<   >>     \\    )(\\,-.-,_\ /\ /_,-. \\    >>  ||>>_    ||>>_.-,_|___|_,-.||   \\,-._)(|_   
//   (__)_)     (__)  \.)   (_/(__) (__)   (__)  (__)(_/ \_)-'  '-(_/ (__)  (__)(__)__)  (__)__)\_)-' '-(_/ (_")  (_/(__)__)  
// ==========================================================================================================================

pragma solidity >=0.8.0;

// Imports

import "@openzeppelin/contracts/access/Ownable.sol";

contract SwapContract is Ownable {
    bool allowCalls = false;

    constructor() {}

    //======================================================================
    // Contract Activation Functions
    //======================================================================

    function disableCalls() public onlyOwner {
        allowCalls = false;
    }

    function enableCalls() public onlyOwner {
        allowCalls = true;
    }

    function getCallStatus() public view returns(bool) {
        return allowCalls;
    }

    //======================================================================
    // Test Call Function
    //======================================================================

    function testCall() external payable {
        require(allowCalls, "Contract Inactive");
        payable(msg.sender).transfer(msg.value);
    }

    //=======================================================================
    // Token Withdrawal Functions, in case anything ends up stuck in contract
    //=======================================================================

    function withdrawETH() external onlyOwner {
        require(address(this).balance > 0, "No ETH balance");
        payable(msg.sender).transfer(address(this).balance);
    }

    //=======================================================================
    // Functions to receive ETH
    //=======================================================================

    receive() external payable {}
    fallback() external payable {}

    
}
// File: @openzeppelin/contracts/access/Ownable.sol



// 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);
    }
}

// File: @openzeppelin/contracts/utils/Context.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (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;
    }
}