message: Switched operator in GetBlockWork().
diff: @@ -145,15 +145,18 @@ int64_t CBlockIndex::GetBlockWork() const
  if (pprev && pprev->pprev)
  nTimeSpan = pprev->GetBlockTime() - pprev->pprev->GetBlockTime();
  int64_t nBlockWork = 1000 - nTimeSpan;
  - if (nBlockWork <= 0)
  - nBlockWork = 1;
  //PoS blocks have the final decision on consensus, if it is between a PoW block and PoS block
  // PoS blocks are also the only type of block that has the scoring of the block directly based on the elapsed time
  // of this block and the prev. PoW is not bound by timestamps the same way PoS is, so it is not as safe to do with PoW
  if (IsProofOfStake()) {
  - nBlockWork += 1000 + (GetBlockTime() - pprev->GetBlockTime());
  + nTimeSpan = GetBlockTime() - pprev->GetBlockTime();
  + if (nTimeSpan < 0)
  + nTimeSpan = 1;
  + nBlockWork += (1000 - nTimeSpan);
  }
  + if (nBlockWork <= 0)
  + nBlockWork = 1;
  return nBlockWork;
  }
  