backtest_live_models - params validation and get timerange from live models in BT

freqtrade/configuration/config_validation.py

@@ -86,6 +86,7 @@ def validate_config_consistency(conf: Dict[str, Any], preliminary: bool = False)
     _validate_unlimited_amount(conf)
     _validate_ask_orderbook(conf)
     _validate_freqai_hyperopt(conf)
+    _validate_freqai_backtest(conf)
     _validate_consumers(conf)
     validate_migrated_strategy_settings(conf)
 
@@ -334,6 +335,21 @@ def _validate_freqai_hyperopt(conf: Dict[str, Any]) -> None:
             'Using analyze-per-epoch parameter is not supported with a FreqAI strategy.')
 
 
+def _validate_freqai_backtest(conf: Dict[str, Any]) -> None:
+    freqai_enabled = conf.get('freqai', {}).get('enabled', False)
+    timerange = conf.get('timerange')
+    freqai_backtest_live_models = conf.get('freqai_backtest_live_models', False)
+    if freqai_backtest_live_models and freqai_enabled and timerange:
+        raise OperationalException(
+            'Using timerange parameter is not supported with '
+            '--freqai-backtest-live-models parameter.')
+
+    if freqai_backtest_live_models and not freqai_enabled:
+        raise OperationalException(
+            'Using --freqai-backtest-live-models parameter is only '
+            'supported with a FreqAI strategy.')
+
+
 def _validate_consumers(conf: Dict[str, Any]) -> None:
     emc_conf = conf.get('external_message_consumer', {})
     if emc_conf.get('enabled', False):

freqtrade/configuration/configuration.py

@@ -277,6 +277,9 @@ class Configuration:
         self._args_to_config(config, argname='disableparamexport',
                              logstring='Parameter --disableparamexport detected: {} ...')
 
+        self._args_to_config(config, argname='freqai_backtest_live_models',
+                             logstring='Parameter --freqai-backtest-live-models detected ...')
+
         # Edge section:
         if 'stoploss_range' in self.args and self.args["stoploss_range"]:
             txt_range = eval(self.args["stoploss_range"])