data stream working

core/orchestrator.py

@@ -2303,4 +2303,39 @@ class TradingOrchestrator:
             except Exception:
                 pass
         
-        return summary
+        return summary
+
+    def get_cob_data(self, symbol: str, limit: int = 300) -> List:
+        """Get COB data for a symbol with specified limit."""
+        try:
+            if hasattr(self, 'cob_integration') and self.cob_integration:
+                return self.cob_integration.get_cob_history(symbol, limit)
+            return []
+        except Exception as e:
+            logger.error(f"Error getting COB data: {e}")
+            return []
+
+    def get_ohlcv_data(self, symbol: str, timeframe: str, limit: int = 300) -> List:
+        """Get OHLCV data for a symbol with specified timeframe and limit."""
+        try:
+            ohlcv_df = self.data_provider.get_ohlcv(symbol, timeframe, limit=limit)
+            if ohlcv_df is None or ohlcv_df.empty:
+                return []
+            
+            # Convert to list of dictionaries
+            result = []
+            for _, row in ohlcv_df.iterrows():
+                data_point = {
+                    'timestamp': row.name.isoformat() if hasattr(row.name, 'isoformat') else str(row.name),
+                    'open': float(row['open']),
+                    'high': float(row['high']),
+                    'low': float(row['low']),
+                    'close': float(row['close']),
+                    'volume': float(row['volume'])
+                }
+                result.append(data_point)
+            
+            return result
+        except Exception as e:
+            logger.error(f"Error getting OHLCV data: {e}")
+            return []