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remove optional from selltype

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Matthias 2018-07-11 19:59:30 +02:00
parent 49a7c7f08e
commit 0147b1631a
1 changed files with 7 additions and 6 deletions
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13
freqtrade/strategy/interface.py
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@ -36,6 +36,7 @@ class SellType(Enum):
TRAILING_STOP_LOSS = "trailing_stop_loss" TRAILING_STOP_LOSS = "trailing_stop_loss"
SELL_SIGNAL = "sell_signal" SELL_SIGNAL = "sell_signal"
FORCE_SELL = "force_sell" FORCE_SELL = "force_sell"
NONE = ""
class IStrategy(ABC): class IStrategy(ABC):
@ -149,7 +150,7 @@ class IStrategy(ABC):
return buy, sell return buy, sell
def should_sell(self, trade: Trade, rate: float, date: datetime, buy: bool, def should_sell(self, trade: Trade, rate: float, date: datetime, buy: bool,
sell: bool) -> Tuple[bool, Optional[SellType]]: sell: bool) -> Tuple[bool, SellType]:
""" """
This function evaluate if on the condition required to trigger a sell has been reached This function evaluate if on the condition required to trigger a sell has been reached
if the threshold is reached and updates the trade record. if the threshold is reached and updates the trade record.
@ -165,7 +166,7 @@ class IStrategy(ABC):
if buy and experimental.get('ignore_roi_if_buy_signal', False): if buy and experimental.get('ignore_roi_if_buy_signal', False):
logger.debug('Buy signal still active - not selling.') logger.debug('Buy signal still active - not selling.')
return (False, None) return (False, SellType.NONE)
# Check if minimal roi has been reached and no longer in buy conditions (avoiding a fee) # Check if minimal roi has been reached and no longer in buy conditions (avoiding a fee)
if self.min_roi_reached(trade=trade, current_profit=current_profit, current_time=date): if self.min_roi_reached(trade=trade, current_profit=current_profit, current_time=date):
@ -175,15 +176,15 @@ class IStrategy(ABC):
if experimental.get('sell_profit_only', False): if experimental.get('sell_profit_only', False):
logger.debug('Checking if trade is profitable..') logger.debug('Checking if trade is profitable..')
if trade.calc_profit(rate=rate) <= 0: if trade.calc_profit(rate=rate) <= 0:
return (False, None) return (False, SellType.NONE)
if sell and not buy and experimental.get('use_sell_signal', False): if sell and not buy and experimental.get('use_sell_signal', False):
logger.debug('Sell signal received. Selling..') logger.debug('Sell signal received. Selling..')
return (True, SellType.SELL_SIGNAL) return (True, SellType.SELL_SIGNAL)
return (False, None) return (False, SellType.NONE)
def stop_loss_reached(self, current_rate: float, trade: Trade, current_time: datetime, def stop_loss_reached(self, current_rate: float, trade: Trade, current_time: datetime,
current_profit: float) -> Tuple[bool, Optional[SellType]]: current_profit: float) -> Tuple[bool, SellType]:
""" """
Based on current profit of the trade and configured (trailing) stoploss, Based on current profit of the trade and configured (trailing) stoploss,
decides to sell or not decides to sell or not
@ -223,7 +224,7 @@ class IStrategy(ABC):
trade.adjust_stop_loss(current_rate, stop_loss_value) trade.adjust_stop_loss(current_rate, stop_loss_value)
return (False, None) return (False, SellType.NONE)
def min_roi_reached(self, trade: Trade, current_profit: float, current_time: datetime) -> bool: def min_roi_reached(self, trade: Trade, current_profit: float, current_time: datetime) -> bool:
""" """