message: Add hex param to getrawtransaction for bitcore
diff: @@ -363,6 +363,7 @@ static UniValue getrawtransaction(const JSONRPCRequest& request)
  UniValue result(UniValue::VOBJ);
  if (blockindex) result.pushKV("in_active_chain", in_active_chain);
  #ifdef ENABLE_BITCORE_RPC
  + result.push_back(Pair("hex", EncodeHexTx(*tx, RPCSerializationFlags())));
  TxToJSONExpanded(*tx, hash_block, result, nHeight, nConfirmations, nBlockTime);
  #else
  TxToJSON(*tx, hash_block, result);
  