fix: Allow users to override the exchange check for FreqAI incase they know that they dont need historic data for their system

Author: robcaulk

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 exchangesthat 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

@@ -832,7 +832,8 @@ 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."
             )