Merge pull request freqtrade#12311 from freqtrade/fix/allow-override

fix: Allow users to override the exchange check for FreqAI incase the…

Author: xmatthias

build_helpers/schema.json

@@ -1461,6 +1461,11 @@
           "type": "boolean",
           "default": false
         },
+        "override_exchange_check": {
+          "description": "Override the exchange check to force FreqAI to use exchanges that may not have enough historic data. Turn this to True if you know your FreqAI model and strategy do not require historical data.",
+          "type": "boolean",
+          "default": false
+        },
         "feature_parameters": {
           "description": "The parameters used to engineer the feature set",
           "type": "object",

freqtrade/config_schema/config_schema.py

@@ -1142,6 +1142,15 @@
                     "type": "boolean",
                     "default": False,
                 },
+                "override_exchange_check": {
+                    "description": (
+                        "Override the exchange check to force FreqAI to use exchanges "
+                        "that may not have enough historic data. Turn this to True if "
+                        "you know your FreqAI model and strategy do not require historical data."
+                    ),
+                    "type": "boolean",
+                    "default": False,
+                },
                 "feature_parameters": {
                     "description": "The parameters used to engineer the feature set",
                     "type": "object",

freqtrade/exchange/exchange.py

@@ -832,10 +832,16 @@ def validate_orderflow(self, exchange: dict) -> None:
 
     def validate_freqai(self, config: Config) -> None:
         freqai_enabled = config.get("freqai", {}).get("enabled", False)
-        if freqai_enabled and not self._ft_has["ohlcv_has_history"]:
+        override = config.get("freqai", {}).get("override_exchange_checks", False)
+        if not override and freqai_enabled and not self._ft_has["ohlcv_has_history"]:
             raise ConfigurationError(
                 f"Historic OHLCV data not available for {self.name}. Can't use freqAI."
             )
+        elif override and freqai_enabled and not self._ft_has["ohlcv_has_history"]:
+            logger.warning(
+                "Overriding exchange checks for freqAI. Make sure that your exchange supports "
+                "fetching historic OHLCV data, otherwise freqAI will not work."
+            )
 
     def validate_required_startup_candles(self, startup_candles: int, timeframe: str) -> int:
         """