contract XdacToken is StandardToken, Ownable {
    string public name = "XDAC COIN";
    string public symbol = "XDAC";
    uint8 public decimals = 18;

    uint256 public constant INITIAL_SUPPLY = 1000000000 ether;

    /**
     * @dev Constructor that gives msg.sender all of existing tokens.
     */
    function XdacToken() public {
        totalSupply_ = INITIAL_SUPPLY;
        balances[msg.sender] = INITIAL_SUPPLY;
        Transfer(0x0, msg.sender, INITIAL_SUPPLY);
    }
}
function XdacToken() public {
    totalSupply_ = INITIAL_SUPPLY;
    balances[msg.sender] = INITIAL_SUPPLY;
    Transfer(0x0, msg.sender, INITIAL_SUPPLY);
}

/**
 * @dev Constructor that gives msg.sender all of existing tokens.
 */