message: Fixed bug (Gas refunds appear to not be correctly issued when the number of txs that include op_call or op_create > 1).
diff: @@ -366,7 +366,11 @@ void BlockAssembler::AddToBlock(CTxMemPool::txiter iter)
  QtumTxConverter convert(tx, NULL);
  ByteCodeExec exec(*pblock, convert.extractionQtumTransactions());
  exec.performByteCode();
  - bceResult = exec.processingResults();
  + ByteCodeExecResult res = exec.processingResults();
  + bceResult.usedFee += res.usedFee;
  + bceResult.refundSender += res.refundSender;
  + bceResult.refundVOuts.insert(bceResult.refundVOuts.end(), res.refundVOuts.begin(), res.refundVOuts.end());
  + bceResult.refundValueTx = std::move(res.refundValueTx);
  }
  //////////////////////////////////////////////////////////////
  