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get_signal signature

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This commit is contained in:
kevinjulian 2021-07-20 05:04:25 +07:00
parent 9e63bdbac9
commit 104711a9bf
1 changed files with 3 additions and 3 deletions
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6
freqtrade/strategy/interface.py
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@ -478,7 +478,7 @@ class IStrategy(ABC, HyperStrategyMixin):
else:
raise StrategyError(message)
def get_signal(self, pair: str, timeframe: str, dataframe: DataFrame) -> Tuple[bool, bool]:
def get_signal(self, pair: str, timeframe: str, dataframe: DataFrame) -> Tuple[bool, bool, str]:
"""
Calculates current signal based based on the buy / sell columns of the dataframe.
Used by Bot to get the signal to buy or sell
@ -489,7 +489,7 @@ class IStrategy(ABC, HyperStrategyMixin):
"""
if not isinstance(dataframe, DataFrame) or dataframe.empty:
logger.warning(f'Empty candle (OHLCV) data for pair {pair}')
return False, False
return False, False, ''
latest_date = dataframe['date'].max()
latest = dataframe.loc[dataframe['date'] == latest_date].iloc[-1]
@ -504,7 +504,7 @@ class IStrategy(ABC, HyperStrategyMixin):
'Outdated history for pair %s. Last tick is %s minutes old',
pair, int((arrow.utcnow() - latest_date).total_seconds() // 60)
)
return False, False
return False, False, ''
(buy, sell, buy_signal_name) = latest[SignalType.BUY.value] == 1,\
latest[SignalType.SELL.value] == 1,\