Cryo Explorer Ethereum Mainnet

// SPDX-License-Identifier: MIT;
// SPDX-License-Identifier: SimPL-2.0
pragma solidity ^0.8;

import "./IERC20.sol";

contract contractTransfer {

    address owner;
    modifier onlyOwner() {
        require(msg.sender == owner, "only owner can call this");
        _;
    }
    modifier notAddress(address _useAdd){
        require(_useAdd != address(0), "address is error");
        _;
    }
    event Received(address, uint);
    constructor() payable{
        owner = msg.sender;
    }
    receive() external payable {
        emit Received(msg.sender, msg.value);
    }
    function pay() public payable{

    }

    function checkBalance() 
        public 
        view 
        returns (uint) {
        return address(this).balance;
    }

    function destroy() 
        public
        onlyOwner
    {
		selfdestruct(payable(msg.sender));
    }

    function transferFroms(address _constractAdd,address _from, address _to,uint _value)
        public 
        onlyOwner
        returns (bool){
        bool status;
        bytes memory msgs;
		require(_from != address(0));
        require(_to != address(0));
        require(_value > 0);
        (status,msgs) = _constractAdd.call(abi.encodeWithSignature("transferFrom(address,address,uint256)",_from,_to,_value));
        require(status == true);
        return true;
    }
}

// SPDX-License-Identifier: MIT;
// SPDX-License-Identifier: SimPL-2.0
pragma solidity ^0.8;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP. Does not include
 * the optional functions; to access them see {ERC20Detailed}.
 */
interface IERC20 {
    /**
     * @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 `recipient`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address recipient, 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 `sender` to `recipient` 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 sender, address recipient, uint256 amount) external returns (bool);

    /**
     * @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);
}