wallet_rpc_server: allow english/local language names in create_wallet

and return both in get_languages

src/wallet/wallet_rpc_server.cpp

@@ -2908,7 +2908,8 @@ namespace tools
   //------------------------------------------------------------------------------------------------------------------------------
   bool wallet_rpc_server::on_get_languages(const wallet_rpc::COMMAND_RPC_GET_LANGUAGES::request& req, wallet_rpc::COMMAND_RPC_GET_LANGUAGES::response& res, epee::json_rpc::error& er, const connection_context *ctx)
   {
-    crypto::ElectrumWords::get_language_list(res.languages);
+    crypto::ElectrumWords::get_language_list(res.languages, true);
+    crypto::ElectrumWords::get_language_list(res.languages_local, false);
     return true;
   }
   //------------------------------------------------------------------------------------------------------------------------------
@@ -2939,14 +2940,19 @@ namespace tools
     std::string wallet_file = m_wallet_dir + "/" + req.filename;
     {
       std::vector<std::string> languages;
-      crypto::ElectrumWords::get_language_list(languages);
+      crypto::ElectrumWords::get_language_list(languages, false);
       std::vector<std::string>::iterator it;
 
       it = std::find(languages.begin(), languages.end(), req.language);
       if (it == languages.end())
+      {
+        crypto::ElectrumWords::get_language_list(languages, true);
+        it = std::find(languages.begin(), languages.end(), req.language);
+      }
+      if (it == languages.end())
       {
         er.code = WALLET_RPC_ERROR_CODE_UNKNOWN_ERROR;
-        er.message = "Unknown language";
+        er.message = "Unknown language: " + req.language;
         return false;
       }
     }

src/wallet/wallet_rpc_server_commands_defs.h

@@ -47,7 +47,7 @@
 // advance which version they will stop working with
 // Don't go over 32767 for any of these
 #define WALLET_RPC_VERSION_MAJOR 1
-#define WALLET_RPC_VERSION_MINOR 8
+#define WALLET_RPC_VERSION_MINOR 9
 #define MAKE_WALLET_RPC_VERSION(major,minor) (((major)<<16)|(minor))
 #define WALLET_RPC_VERSION MAKE_WALLET_RPC_VERSION(WALLET_RPC_VERSION_MAJOR, WALLET_RPC_VERSION_MINOR)
 namespace tools
@@ -1985,9 +1985,11 @@ namespace wallet_rpc
     struct response_t
     {
       std::vector<std::string> languages;
+      std::vector<std::string> languages_local;
 
       BEGIN_KV_SERIALIZE_MAP()
         KV_SERIALIZE(languages)
+        KV_SERIALIZE(languages_local)
       END_KV_SERIALIZE_MAP()
     };
     typedef epee::misc_utils::struct_init<response_t> response;