Init exchange before datadir ...

freqtrade/configuration/configuration.py

@@ -160,6 +160,11 @@ def _process_datadir_options(self, config: Dict[str, Any]) -> None:
         Extract information for sys.argv and load directory configurations
         --user-data, --datadir
         """
+        # Check exchange parameter here - otherwise `datadir` might be wrong.
+        if "exchange" in self.args and self.args.exchange:
+            config['exchange']['name'] = self.args.exchange
+            logger.info(f"Using exchange {config['exchange']['name']}")
+
         if 'user_data_dir' in self.args and self.args.user_data_dir:
             config.update({'user_data_dir': self.args.user_data_dir})
         elif 'user_data_dir' not in config:
@@ -297,10 +302,6 @@ def _process_plot_options(self, config: Dict[str, Any]) -> None:
         self._args_to_config(config, argname='days',
                              logstring='Detected --days: {}')
 
-        if "exchange" in self.args and self.args.exchange:
-            config['exchange']['name'] = self.args.exchange
-            logger.info(f"Using exchange {config['exchange']['name']}")
-
     def _process_runmode(self, config: Dict[str, Any]) -> None:
 
         if not self.runmode:
@@ -361,7 +362,7 @@ def _resolve_pairs_list(self, config: Dict[str, Any]) -> None:
             config['pairs'] = config.get('exchange', {}).get('pair_whitelist')
         else:
             # Fall back to /dl_path/pairs.json
-            pairs_file = Path(config['datadir']) / config['exchange']['name'].lower() / "pairs.json"
+            pairs_file = Path(config['datadir']) / "pairs.json"
             if pairs_file.exists():
                 with pairs_file.open('r') as f:
                     config['pairs'] = json_load(f)