From c8c2d89893b29f7e0e93b5a2b5821cbacfa53c4d Mon Sep 17 00:00:00 2001
From: Sam Germain <sam.germain@usask.ca>
Date: Thu, 11 Nov 2021 19:02:07 -0600
Subject: [PATCH] exchange.get_funding_fees returns 0 by default

---
 freqtrade/exchange/exchange.py | 13 ++++++++-----
 freqtrade/freqtradebot.py      |  6 +++++-
 2 files changed, 13 insertions(+), 6 deletions(-)

diff --git a/freqtrade/exchange/exchange.py b/freqtrade/exchange/exchange.py
index b9b071021..9be3169c2 100644
--- a/freqtrade/exchange/exchange.py
+++ b/freqtrade/exchange/exchange.py
@@ -1848,7 +1848,7 @@ class Exchange:
 
         return fees
 
-    def get_funding_fees(self, pair: str, amount: float, open_date: datetime):
+    def get_funding_fees(self, pair: str, amount: float, open_date: datetime) -> float:
         """
         Fetch funding fees, either from the exchange (live) or calculates them
         based on funding rate/mark price history
@@ -1856,11 +1856,14 @@ class Exchange:
         :param amount: Trade amount
         :param open_date: Open date of the trade
         """
-        if self._config['dry_run']:
-            funding_fees = self._calculate_funding_fees(pair, amount, open_date)
+        if self.trading_mode == TradingMode.FUTURES:
+            if self._config['dry_run']:
+                funding_fees = self._calculate_funding_fees(pair, amount, open_date)
+            else:
+                funding_fees = self._get_funding_fees_from_exchange(pair, open_date)
+            return funding_fees
         else:
-            funding_fees = self._get_funding_fees_from_exchange(pair, open_date)
-        return funding_fees
+            return 0.0
 
     @retrier
     def get_funding_rate_history(self, pair: str, since: int) -> Dict:
diff --git a/freqtrade/freqtradebot.py b/freqtrade/freqtradebot.py
index 335ae6052..18127288b 100644
--- a/freqtrade/freqtradebot.py
+++ b/freqtrade/freqtradebot.py
@@ -1262,7 +1262,11 @@ class FreqtradeBot(LoggingMixin):
         :param sell_reason: Reason the sell was triggered
         :return: True if it succeeds (supported) False (not supported)
         """
-        trade.funding_fees = self.exchange.get_funding_fees(trade.pair, trade.amount, trade.open_date)
+        trade.funding_fees = self.exchange.get_funding_fees(
+            trade.pair,
+            trade.amount,
+            trade.open_date
+        )
         exit_type = 'sell'  # TODO-lev: Update to exit
         if sell_reason.sell_type in (SellType.STOP_LOSS, SellType.TRAILING_STOP_LOSS):
             exit_type = 'stoploss'