Refactor get_best_pair to persistence

2019-10-29 11:15:33 +01:00
parent f20f5cebbe
commit ab117527c9
3 changed files with 23 additions and 5 deletions
--- a/freqtrade/persistence.py
+++ b/freqtrade/persistence.py
@@ -421,6 +421,15 @@ class Trade(_DECL_BASE):
            for pair, rate, count in pair_rates
        ]

+    @staticmethod
+    def get_best_pair():
+        best_pair = Trade.session.query(
+            Trade.pair, func.sum(Trade.close_profit).label('profit_sum')
+        ).filter(Trade.is_open.is_(False)) \
+            .group_by(Trade.pair) \
+            .order_by(desc('profit_sum')).first()
+        return best_pair
+
    @staticmethod
    def get_open_trades() -> List[Any]:
        """