message: miner: Default to DEFAULT_BLOCK_MIN_TX_FEE if unable to parse -blockmintxfee
diff: @@ -70,9 +70,8 @@ static BlockAssembler::Options DefaultOptions()
  // If -blockmaxweight is not given, limit to DEFAULT_BLOCK_MAX_WEIGHT
  BlockAssembler::Options options;
  options.nBlockMaxWeight = gArgs.GetArg("-blockmaxweight", DEFAULT_BLOCK_MAX_WEIGHT);
  - if (gArgs.IsArgSet("-blockmintxfee")) {
  CAmount n = 0;
  - ParseMoney(gArgs.GetArg("-blockmintxfee", ""), n);
  + if (gArgs.IsArgSet("-blockmintxfee") && ParseMoney(gArgs.GetArg("-blockmintxfee", ""), n)) {
  options.blockMinFeeRate = CFeeRate(n);
  } else {
  options.blockMinFeeRate = CFeeRate(DEFAULT_BLOCK_MIN_TX_FEE);
  