query_key command in wallet rpc.

only support mnemonic as key_type currently

src/wallet/wallet_rpc_server.cpp

@@ -403,4 +403,22 @@ namespace tools
     return true;
   }
   //------------------------------------------------------------------------------------------------------------------------------
+  bool wallet_rpc_server::on_query_key(const wallet_rpc::COMMAND_RPC_QUERY_KEY::request& req, wallet_rpc::COMMAND_RPC_QUERY_KEY::response& res, epee::json_rpc::error& er, connection_context& cntx)
+  {
+      if (req.key_type.compare("mnemonic") == 0)
+      {
+        if (!m_wallet.get_seed(res.key))
+        {
+            er.message = "The wallet is non-deterministic. Cannot display seed.";
+            return false;
+        }
+      }
+      else
+      {
+          er.message = "key_type " + req.key_type + " not found";
+          return false;
+      }
+
+      return true;
+  }
 }

src/wallet/wallet_rpc_server.h

@@ -69,6 +69,7 @@ namespace tools
         MAP_JON_RPC_WE("get_payments",       on_get_payments,       wallet_rpc::COMMAND_RPC_GET_PAYMENTS)
         MAP_JON_RPC_WE("get_bulk_payments",  on_get_bulk_payments,  wallet_rpc::COMMAND_RPC_GET_BULK_PAYMENTS)
         MAP_JON_RPC_WE("incoming_transfers", on_incoming_transfers, wallet_rpc::COMMAND_RPC_INCOMING_TRANSFERS)
+        MAP_JON_RPC_WE("query_key",         on_query_key,         wallet_rpc::COMMAND_RPC_QUERY_KEY)
       END_JSON_RPC_MAP()
     END_URI_MAP2()
 
@@ -85,6 +86,9 @@ namespace tools
 
       bool handle_command_line(const boost::program_options::variables_map& vm);
 
+      //json rpc v2
+      bool on_query_key(const wallet_rpc::COMMAND_RPC_QUERY_KEY::request& req, wallet_rpc::COMMAND_RPC_QUERY_KEY::response& res, epee::json_rpc::error& er, connection_context& cntx);
+
       wallet2& m_wallet;
       std::string m_port;
       std::string m_bind_ip;

src/wallet/wallet_rpc_server_commands_defs.h

@@ -257,6 +257,28 @@ namespace wallet_rpc
       END_KV_SERIALIZE_MAP()
     };
   };
+
+  //JSON RPC V2
+  struct COMMAND_RPC_QUERY_KEY
+  {
+    struct request
+    {
+      std::string key_type;
+
+      BEGIN_KV_SERIALIZE_MAP()
+        KV_SERIALIZE(key_type)
+      END_KV_SERIALIZE_MAP()
+    };
+
+    struct response
+    {
+      std::string key;
+
+      BEGIN_KV_SERIALIZE_MAP()
+        KV_SERIALIZE(key)
+      END_KV_SERIALIZE_MAP()
+    };
+  };
 }
 }