daemon: new relay_tx command and RPC

src/daemon/command_parser_executor.cpp

@@ -563,4 +563,19 @@ bool t_command_parser_executor::update(const std::vector<std::string>& args)
   return m_executor.update(args.front());
 }
 
+bool t_command_parser_executor::relay_tx(const std::vector<std::string>& args)
+{
+  if (args.size() != 1) return false;
+
+  std::string txid;
+  crypto::hash hash;
+  if (!parse_hash256(args[0], hash))
+  {
+    std::cout << "failed to parse tx id" << std::endl;
+    return true;
+  }
+  txid = args[0];
+  return m_executor.relay_tx(txid);
+}
+
 } // namespace daemonize

src/daemon/command_parser_executor.h

@@ -132,6 +132,8 @@ public:
   bool print_blockchain_dynamic_stats(const std::vector<std::string>& args);
 
   bool update(const std::vector<std::string>& args);
+
+  bool relay_tx(const std::vector<std::string>& args);
 };
 
 } // namespace daemonize

src/daemon/command_server.cpp

@@ -248,6 +248,11 @@ t_command_server::t_command_server(
     , std::bind(&t_command_parser_executor::update, &m_parser, p::_1)
     , "subcommands: check (check if an update is available), download (download it is there is), update (not implemented)"
     );
+    m_command_lookup.set_handler(
+      "relay_tx"
+    , std::bind(&t_command_parser_executor::relay_tx, &m_parser, p::_1)
+    , "Relay a given transaction by its txid"
+    );
 }
 
 bool t_command_server::process_command_str(const std::string& cmd)

src/daemon/rpc_command_executor.cpp

@@ -1646,4 +1646,32 @@ bool t_rpc_command_executor::update(const std::string &command)
   return true;
 }
 
+bool t_rpc_command_executor::relay_tx(const std::string &txid)
+{
+    cryptonote::COMMAND_RPC_RELAY_TX::request req;
+    cryptonote::COMMAND_RPC_RELAY_TX::response res;
+    std::string fail_message = "Unsuccessful";
+    epee::json_rpc::error error_resp;
+
+    req.txids.push_back(txid);
+
+    if (m_is_rpc)
+    {
+        if (!m_rpc_client->json_rpc_request(req, res, "relay_tx", fail_message.c_str()))
+        {
+            return true;
+        }
+    }
+    else
+    {
+        if (!m_rpc_server->on_relay_tx(req, res, error_resp) || res.status != CORE_RPC_STATUS_OK)
+        {
+            tools::fail_msg_writer() << make_error(fail_message, res.status);
+            return true;
+        }
+    }
+
+    return true;
+}
+
 }// namespace daemonize

src/daemon/rpc_command_executor.h

@@ -153,6 +153,8 @@ public:
   bool print_blockchain_dynamic_stats(uint64_t nblocks);
 
   bool update(const std::string &command);
+
+  bool relay_tx(const std::string &txid);
 };
 
 } // namespace daemonize