fix wrong database exists check

dbHandler.go

@@ -65,11 +65,15 @@ func NewDBHandler(name, path string, logger *logging.Logger) (dH *DBHandler, err
 			if err := os.MkdirAll(path, 0666); err != err {
 				return nil, err
 			}
-			dH.NewCreatedDB = true
 		}
 	}
 
 	dbPath := filepath.Join(path, name)
+
+	//indicator if database exists
+	_, err = os.Stat(dbPath)
+	fmt.Println(1, err)
+	dH.NewCreatedDB = err != nil
 	logger.Debug("NewDBHandler", "open database "+dbPath)
 	dH.db, err = gorm.Open(sqlite.Open(dbPath), &gorm.Config{})
 	return