function startRound(uint startTime, uint duration) public {

        require(msg.sender == owner);

        roundNumber++;
        rounds[roundNumber] = Round(
            roundNumber,
            startTime,
            duration,
            new bytes32[](0),
            new bytes32[](0),
            0,
            0,
            0,
            0,
            0,
            0,
            true,
            'n/a'
        );

        roundStartedLog(roundNumber, startTime, duration);
        rounds[roundNumber].acceptingBets = true;

    }