// Random number generation based on following inputs: serverSeed, clientSeed, nonce and cursor
function byteGenerator({ serverSeed, clientSeed, nonce, cursor }) {
  // Setup cursor variables
  let currentRound = Math.floor(cursor / 32);
  let currentRoundCursor = cursor;
  currentRoundCursor -= currentRound * 32;

  // Generate outputs until cursor requirement fullfilled
  while (true) {
        // HMAC function used to output provided inputs into bytes
        const hmac = createHmac('sha256', serverSeed);
        hmac.update(`${clientSeed}:${nonce}:${currentRound}`);
        const buffer = hmac.digest();

    // Update cursor for next iteration of loop
    while (currentRoundCursor < 32) {
         yield Number(buffer[currentRoundCursor]);
        currentRoundCursor += 1;
    }
        currentRoundCursor = 0;
        currentRound += 1;
  }
}