cash works again!

NN/exchanges/mexc_interface.py

@@ -194,23 +194,16 @@ class MEXCInterface(ExchangeInterface):
                     return result
                     
             except Exception as e:
-                logger.warning(f"Error getting ticker from {endpoint} for {symbol}: {str(e)}")
+                logger.error(f"❌ CRITICAL: Failed to get ticker for {symbol}: {e}")
+                logger.error("❌ NO DUMMY DATA FALLBACK - Real market data required")
+                # Return None instead of dummy data - let calling code handle the failure
+                return None
         
         # If we get here, all endpoints failed
         logger.error(f"All ticker endpoints failed for {symbol}")
         
-        # Return dummy data as last resort for testing
-        dummy_price = 50000.0 if 'BTC' in symbol else 2000.0  # Dummy price for BTC or others
-        logger.warning(f"Returning dummy ticker data for {symbol} with price {dummy_price}")
-        return {
-            'symbol': symbol,
-            'bid': dummy_price * 0.999,
-            'ask': dummy_price * 1.001,
-            'last': dummy_price,
-            'volume': 100.0,
-            'timestamp': int(time.time() * 1000),
-            'is_dummy': True
-        }
+        # Return None instead of dummy data - let calling code handle the failure
+        return None
     
     def place_order(self, symbol: str, side: str, order_type: str, 
                    quantity: float, price: float = None) -> Dict[str, Any]: