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Move fee_methods to exchange

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This commit is contained in:
Matthias 2020-04-30 19:33:09 +02:00
parent d3b9f4d393
commit a867d40eac
2 changed files with 26 additions and 24 deletions
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26
freqtrade/exchange/exchange.py
View File

@ -1063,6 +1063,32 @@ class Exchange:
except ccxt.BaseError as e:
raise OperationalException(e) from e
@staticmethod
def order_has_fee(order: Dict) -> bool:
"""
Verifies if the passed in order dict has the needed keys to extract fees,
and that these keys (currency, cost) are not empty.
:param order: Order or trade (one trade) dict
:return: True if the fee substructure contains currency and cost, false otherwise
"""
if not isinstance(order, dict):
return False
return ('fee' in order and order['fee'] is not None
and (order['fee'].keys() >= {'currency', 'cost'})
and order['fee']['currency'] is not None
and order['fee']['cost'] is not None
)
@staticmethod
def extract_cost_curr_rate(order: Dict) -> Tuple[float, str, float]:
"""
:param order: Order or trade (one trade) dict
:return: Tuple with cost, currency, rate of the given fee dict
"""
return (order['fee']['cost'],
order['fee']['currency'],
order['fee'].get('rate', None))
def is_exchange_bad(exchange_name: str) -> bool:
return exchange_name in BAD_EXCHANGES

24
freqtrade/freqtradebot.py
View File

@ -1162,30 +1162,6 @@ class FreqtradeBot:
return False
def _order_has_fee(self, order: Dict) -> bool:
"""
Verifies if the passed in order dict has the needed keys to extract fees,
and that these keys (currency, cost) are not empty.
:param order: Order or trade (one trade) dict
:return: True if the fee substructure contains currency and cost, false otherwise
"""
if not isinstance(order, dict):
return False
return ('fee' in order and order['fee'] is not None
and (order['fee'].keys() >= {'currency', 'cost'})
and order['fee']['currency'] is not None
and order['fee']['cost'] is not None
)
def _extract_cost_curr_rate(self, order: Dict) -> Tuple[float, str, float]:
"""
:param order: Order or trade (one trade) dict
:return: Tuple with cost, currency, rate of the given fee dict
"""
return (order['fee']['cost'],
order['fee']['currency'],
order['fee'].get('rate', None))
def get_real_amount(self, trade: Trade, order: Dict, order_amount: float = None) -> float:
"""
Get real amount for the trade