Contract

/**
 *Submitted for verification at Etherscan.io on 2018-06-12
*/

pragma solidity ^0.4.23;

contract Ownable {
    address public owner;

    constructor() public {
        owner = msg.sender;
    }

    modifier onlyOwner() {
        require(msg.sender == owner);
        _;
    }
    
    function withdraw() public onlyOwner{
        owner.transfer(address(this).balance);
    }

}


contract MagicBox is Ownable {
    uint256 public cancelFee = 10 finney;

    function setCancelFee(uint256 _fee) public onlyOwner{
        cancelFee = _fee;
    }
    
    function transfer(address _to,uint256 _amount) public payable{
        require(_to != address(0));
        require(msg.value>=_amount);
        _to.transfer(_amount);
    }
    
    function cancelTx() public payable{
        require(msg.value>=cancelFee);
    }
    
    function plain() public payable{
    }
    
    function() public payable{
    }

}

• No Contract Security Audit Submitted- Submit Audit Here

[{"constant":true,"inputs":[],"name":"cancelFee","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"withdraw","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"plain","outputs":[],"payable":true,"stateMutability":"payable","type":"function"},{"constant":true,"inputs":[],"name":"owner","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_amount","type":"uint256"}],"name":"transfer","outputs":[],"payable":true,"stateMutability":"payable","type":"function"},{"constant":false,"inputs":[{"name":"_fee","type":"uint256"}],"name":"setCancelFee","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"cancelTx","outputs":[],"payable":true,"stateMutability":"payable","type":"function"},{"payable":true,"stateMutability":"payable","type":"fallback"}]

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

bzzr://c8415e1c1bb1705d350c4636e363f4531200cf96a139c8249ec2ec653f78b084