message: [Main] Avoid slow transaction search with txindex enabled
  There is no point in doing a "slow" search for a transaction if it isn't
  found in the txindex (if enabled).
diff: @@ -2055,6 +2055,9 @@ bool GetTransaction(const uint256& hash, CTransaction& txOut, uint256& hashBlock
  return error("%s : txid mismatch", __func__);
  return true;
  }
  +
  + // transaction not found in the index, nothing more can be done
  + return false;
  }
  if (fAllowSlow) { // use coin database to locate block that contains transaction, and scan it
  