Support partially cancelled orders for fee calculation

2020-05-01 20:17:22 +02:00
parent 737fc6d198
commit 021e2b58ca
5 changed files with 7 additions and 7 deletions
--- a/freqtrade/exchange/exchange.py
+++ b/freqtrade/exchange/exchange.py
@@ -1095,7 +1095,8 @@ class Exchange:
        # Calculate fee based on order details
        if fee_curr in self.get_pair_base_currency(order['symbol']):
            # Base currency - divide by amount
-            return round(order['fee']['cost'] / order['amount'], 8)
+            return round(
+                order['fee']['cost'] / safe_value_fallback(order, order, 'filled', 'amount'), 8)
        elif fee_curr in self.get_pair_quote_currency(order['symbol']):
            # Quote currency - divide by cost
            return round(order['fee']['cost'] / order['cost'], 8)