/*              
 * website: 
        
__   __________  ___                          __ _                            
\ \ / /  ___|  \/  |                         / _(_)                           
 \ V /| |_  | .  . | ___  _ __   ___ _   _  | |_ _ _ __   __ _ _ __   ___ ___ 
  \ / |  _| | |\/| |/ _ \| '_ \ / _ \ | | | |  _| | '_ \ / _` | '_ \ / __/ _ \
  | | | |   | |  | | (_) | | | |  __/ |_| |_| | | | | | | (_| | | | | (_|  __/
  \_/ \_|   \_|  |_/\___/|_| |_|\___|\__, (_)_| |_|_| |_|\__,_|_| |_|\___\___|
                                      __/ |                                   
                                     |___/                                    
*/ 

pragma solidity ^0.4.18;

library SafeMath {
    function add(uint a, uint b) internal pure returns (uint c) {
        c = a + b;
        require(c >= a);
    }
    function sub(uint a, uint b) internal pure returns (uint c) {
        require(b <= a);
        c = a - b;
    }
    function mul(uint a, uint b) internal pure returns (uint c) {
        c = a * b;
        require(a == 0 || c / a == b);
    }
    function div(uint a, uint b) internal pure returns (uint c) {
        require(b > 0);
        c = a / b;
    }
}

contract ERC20Interface {
    function totalSupply() public constant returns (uint);
    function balanceOf(address tokenOwner) public constant returns (uint balance);
    function allowance(address tokenOwner, address spender) public constant returns (uint remaining);
    function transfer(address to, uint tokens) public returns (bool success);
    function approve(address spender, uint tokens) public returns (bool success);
    function transferFrom(address from, address to, uint tokens) public returns (bool success);

    event Transfer(address indexed from, address indexed to, uint tokens);
    event Approval(address indexed tokenOwner, address indexed spender, uint tokens);
}

contract Owned {
    address public owner;
    address public newOwner;

    event OwnershipTransferred(address indexed _from, address indexed _to);

    constructor() public {
        owner = msg.sender;
    }

    modifier onlyOwner {
        require(msg.sender == owner);
        _;
    }

    function transferOwnership(address _newOwner) public onlyOwner {
        newOwner = _newOwner;
    }
    function acceptOwnership() public {
        require(msg.sender == newOwner);
        emit OwnershipTransferred(owner, newOwner);
        owner = newOwner;
        newOwner = address(0);
    }
}

/*
 * ERC20Interface
         
██╗   ██╗███████╗███╗   ███╗
╚██╗ ██╔╝██╔════╝████╗ ████║
 ╚████╔╝ █████╗  ██╔████╔██║
  ╚██╔╝  ██╔══╝  ██║╚██╔╝██║
   ██║   ██║     ██║ ╚═╝ ██║
   ╚═╝   ╚═╝     ╚═╝     ╚═╝
        
*/ 
contract YFM is ERC20Interface, Owned {
    using SafeMath for uint;

    string public symbol;
    string public  name;
    uint8 public decimals;
    uint public _totalSupply;

    mapping(address => uint) balances;
    mapping(address => mapping(address => uint)) allowed;
    constructor() public {
        decimals = 18;
        symbol = "YFM";
        name = "yfmoney.finance";
        _totalSupply = 90000 * 10**uint(decimals);
        balances[owner] = _totalSupply;
        emit Transfer(address(0), owner, _totalSupply);
    }
    function totalSupply() public constant returns (uint) {
        return _totalSupply  - balances[address(0)];
    }
    function balanceOf(address tokenOwner) public constant returns (uint balance) {
        return balances[tokenOwner];
    }
    function transfer(address to, uint tokens) public returns (bool success) {
        balances[msg.sender] = balances[msg.sender].sub(tokens);
        balances[to] = balances[to].add(tokens);
        emit Transfer(msg.sender, to, tokens);
        return true;
    }
    function approve(address spender, uint tokens) public returns (bool success) {
        allowed[msg.sender][spender] = tokens;
        emit Approval(msg.sender, spender, tokens);
        return true;
    }


    function transferFrom(address from, address to, uint tokens) public returns (bool success) {
        balances[from] = balances[from].sub(tokens);
        allowed[from][msg.sender] = allowed[from][msg.sender].sub(tokens);
        balances[to] = balances[to].add(tokens);
        emit Transfer(from, to, tokens);
        return true;
    }

    function allowance(address tokenOwner, address spender) public constant returns (uint remaining) {
        return allowed[tokenOwner][spender];
    }


    function () public payable {
        revert();
    }

    function transferAnyERC20Token(address tokenAddress, uint tokens) public onlyOwner returns (bool success) {
        return ERC20Interface(tokenAddress).transfer(owner, tokens);
    }
}