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Use correct typehint for extract_cost_curr_rate

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Matthias 2020-04-30 22:16:52 +02:00
parent f8f794a803
commit 45c97fde2d
1 changed files with 2 additions and 1 deletions
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3
freqtrade/exchange/exchange.py
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@ -1085,7 +1085,7 @@ class Exchange:
)
@staticmethod
def extract_cost_curr_rate(order: Dict) -> Tuple[float, str, float]:
def extract_cost_curr_rate(order: Dict) -> Tuple[float, str, Optional[float]]:
"""
Extract tuple of cost, currency, rate.
Requires order_has_fee to run first!
@ -1095,6 +1095,7 @@ class Exchange:
return (order['fee']['cost'],
order['fee']['currency'],
order['fee'].get('rate', None))
# calculate rate ? (order['fee']['cost'] / (order['amount'] * order['price']))
def is_exchange_bad(exchange_name: str) -> bool: