message: Add denom to gettransaction rpc.
diff: @@ -2466,6 +2466,7 @@ static UniValue gettransaction(const JSONRPCRequest& request)
  auto bnSerial = spend->getCoinSerialNumber();
  obj_vin.pushKV("serial", bnSerial.GetHex());
  obj_vin.pushKV("serial_hash", GetSerialHash(bnSerial).GetHex());
  + obj_vin.pushKV("denom", (int64_t)spend->getDenomination());
  }
  } else {
  //Have to specifically look up type to determine whether it is CT or Basecoin
  