Remove support for order_book_max

freqtrade/configuration/config_validation.py

@@ -79,6 +79,7 @@ def validate_config_consistency(conf: Dict[str, Any]) -> None:
     _validate_whitelist(conf)
     _validate_protections(conf)
     _validate_unlimited_amount(conf)
+    _validate_ask_orderbook(conf)
 
     # validate configuration before returning
     logger.info('Validating configuration ...')
@@ -186,3 +187,23 @@ def _validate_protections(conf: Dict[str, Any]) -> None:
                 "Protections must specify either `lookback_period` or `lookback_period_candles`.\n"
                 f"Please fix the protection {prot.get('method')}"
             )
+
+
+def _validate_ask_orderbook(conf: Dict[str, Any]) -> None:
+    ask_strategy = conf.get('ask_strategy', {})
+    ob_min = ask_strategy.get('order_book_min')
+    ob_max = ask_strategy.get('order_book_max')
+    if ob_min is not None and ob_max is not None:
+        if ob_min != ob_max:
+            raise OperationalException(
+                "Using order_book_max != order_book_min in ask_strategy is no longer supported."
+                "Please pick one value and use `order_book_top` in the future."
+            )
+        else:
+            # Move value to order_book_top
+            ask_strategy['order_book_top'] = ob_min
+            logger.warning(
+                "DEPRECATED: "
+                "Please use `order_book_top` instead of `order_book_min` and `order_book_max` "
+                "for your `ask_strategy` configuration."
+            )