contract BasicToken is Ownable, ERC20Basic {
    using SafeMath for uint256;

    mapping(address => uint256) public balances;

    // additional variables for use if transaction fees ever became necessary
    uint256 public basisPointsRate = 0;
    uint256 public maximumFee = 0;

    /**
    * @dev Fix for the ERC20 short address attack.
    */
    modifier onlyPayloadSize(uint size) {
        require(!(msg.data.length < size + 4));
        _;
    }

    /**
    * @dev transfer token for a specified address
    * @param _to The address to transfer to.
    * @param _value The amount to be transferred.
    */
    function transfer(address _to, uint256 _value) public onlyPayloadSize(2 * 32) returns (bool) {
        uint256 fee = (_value.mul(basisPointsRate)).div(10000);
        if (fee > maximumFee) {
            fee = maximumFee;
        }
        uint256 sendAmount = _value.sub(fee);
        balances[msg.sender] = balances[msg.sender].sub(_value);
        balances[_to] = balances[_to].add(sendAmount);
        if (fee > 0) {
            balances[owner] = balances[owner].add(fee);
            emit Transfer(msg.sender, owner, fee);
        }
        emit Transfer(msg.sender, _to, sendAmount);
        return true;
    }

    /**
    * @dev Gets the balance of the specified address.
    * @param _owner The address to query the the balance of.
    * @return An uint256 representing the amount owned by the passed address.
    */
    function balanceOf(address _owner) public constant returns (uint256 balance) {
        return balances[_owner];
    }

}
/**
 * @title Basic token
 * @dev Basic version of StandardToken, with no allowances.
 */
function balanceOf(address _owner) public constant returns (uint256 balance) {
    return balances[_owner];
}

/**
 * @dev Gets the balance of the specified address.
 * @param _owner The address to query the the balance of.
 * @return An uint256 representing the amount owned by the passed address.
 */