contract BasicToken is ERC20, ERC223, UserTokensControl {
    uint256 public totalSupply;
    using SafeMath for uint256;

    mapping(address => uint256) balances;


  ///////////// TRANSFER ////////////////

    function transferToAddress(address _to, uint256 _value, bytes _data) internal returns (bool) {
        balances[msg.sender] = balances[msg.sender].sub(_value);
        balances[_to] = balances[_to].add(_value);
        emit Transfer(msg.sender, _to, _value);
        emit Transfer(msg.sender, _to, _value, _data);
        return true;
    }

    function transferToContract(address _to, uint256 _value, bytes _data) internal returns (bool) {
        balances[msg.sender] = balances[msg.sender].sub(_value);
        balances[_to] = balances[_to].add(_value);
        ERC223ReceivingContract receiver = ERC223ReceivingContract(_to);
        receiver.tokenFallback(msg.sender, _value, _data);
        emit Transfer(msg.sender, _to, _value);
        emit Transfer(msg.sender, _to, _value, _data);
        return true;
    }

    function transfer(address _to, uint256 _value, bytes _data) public returns (bool) {
        require(_to != address(0));
        require(_value <= balances[msg.sender]);
        require(_value > 0);

        uint256 codeLength;
        assembly {
            codeLength := extcodesize(_to)
        }
    
        if(codeLength > 0) {
            return transferToContract(_to, _value, _data);
        } else {
            return transferToAddress(_to, _value, _data);
        }
    }


    function transfer(address _to, uint256 _value) public returns (bool) {
        require(_to != address(0));
        require(_value <= balances[msg.sender]);
        require(_value > 0);

        uint256 codeLength;
        bytes memory empty;
        assembly {
            codeLength := extcodesize(_to)
        }

        if(codeLength > 0) {
            return transferToContract(_to, _value, empty);
        } else {
            return transferToAddress(_to, _value, empty);
        }
    }


    function balanceOf(address _address) public constant returns (uint256 balance) {
        return balances[_address];
    }
}
function transferToAddress(address _to, uint256 _value, bytes _data) internal returns (bool) {
    balances[msg.sender] = balances[msg.sender].sub(_value);
    balances[_to] = balances[_to].add(_value);
    emit Transfer(msg.sender, _to, _value);
    emit Transfer(msg.sender, _to, _value, _data);
    return true;
}

///////////// TRANSFER ////////////////