Add tests for fee extraction methods

2020-04-30 20:05:27 +02:00
parent 2e4dc6c253
commit e74ed0ba7b
2 changed files with 22 additions and 0 deletions
--- a/freqtrade/exchange/exchange.py
+++ b/freqtrade/exchange/exchange.py
@@ -1087,6 +1087,8 @@ class Exchange:
    @staticmethod
    def extract_cost_curr_rate(order: Dict) -> Tuple[float, str, float]:
        """
+        Extract tuple of cost, currency, rate.
+        Requires order_has_fee to run first!
        :param order: Order or trade (one trade) dict
        :return: Tuple with cost, currency, rate of the given fee dict
        """