message: Do not return early in CalculateAccumulatorCheckpoint().
diff: @@ -184,7 +184,6 @@ bool InitializeAccumulators(const int nHeight, int& nHeightCheckpoint, Accumulat
  //Get checkpoint value for a specific block height
  bool CalculateAccumulatorCheckpoint(int nHeight, std::map<libzerocoin::CoinDenomination, uint256>& mapCheckpoints, AccumulatorMap& mapAccumulators)
  {
  -
  //the checkpoint is updated every ten blocks, return current active checkpoint if not update block
  if (nHeight % 10 != 0 || nHeight == 10) {
  mapCheckpoints = chainActive[nHeight - 1]->mapAccumulatorHashes;
  @@ -205,10 +204,6 @@ bool CalculateAccumulatorCheckpoint(int nHeight, std::map<libzerocoin::CoinDenom
  return false;
  while (pindex->nHeight < nHeight - 10) {
  - // checking whether we should stop this process due to a shutdown request
  - if (ShutdownRequested())
  - return false;
  -
  //grab mints from this block
  CBlock block;
  if(!ReadBlockFromDisk(block, pindex, Params().GetConsensus()))
  