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Merge pull request #2366 from freqtrade/interface_noconf

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Interface options should not use config
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hroff-1902 2019-10-13 11:04:51 +03:00 committed by GitHub
commit 4228137dff
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2 changed files with 11 additions and 11 deletions
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5
freqtrade/resolvers/strategy_resolver.py
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@ -95,7 +95,10 @@ class StrategyResolver(IResolver):
logger.info("Override strategy '%s' with value in config file: %s.",
attribute, config[attribute])
elif hasattr(self.strategy, attribute):
config[attribute] = getattr(self.strategy, attribute)
val = getattr(self.strategy, attribute)
# None's cannot exist in the config, so do not copy them
if val is not None:
config[attribute] = val
# Explicitly check for None here as other "falsy" values are possible
elif default is not None:
setattr(self.strategy, attribute, default)

17
freqtrade/strategy/interface.py
View File

@ -78,8 +78,8 @@ class IStrategy(ABC):
# trailing stoploss
trailing_stop: bool = False
trailing_stop_positive: float
trailing_stop_positive_offset: float
trailing_stop_positive: Optional[float] = None
trailing_stop_positive_offset: float = 0.0
trailing_only_offset_is_reached = False
# associated ticker interval
@ -347,26 +347,23 @@ class IStrategy(ABC):
decides to sell or not
:param current_profit: current profit in percent
"""
trailing_stop = self.config.get('trailing_stop', False)
stop_loss_value = force_stoploss if force_stoploss else self.stoploss
# Initiate stoploss with open_rate. Does nothing if stoploss is already set.
trade.adjust_stop_loss(trade.open_rate, stop_loss_value, initial=True)
if trailing_stop:
if self.trailing_stop:
# trailing stoploss handling
sl_offset = self.config.get('trailing_stop_positive_offset') or 0.0
tsl_only_offset = self.config.get('trailing_only_offset_is_reached', False)
sl_offset = self.trailing_stop_positive_offset
# Make sure current_profit is calculated using high for backtesting.
high_profit = current_profit if not high else trade.calc_profit_percent(high)
# Don't update stoploss if trailing_only_offset_is_reached is true.
if not (tsl_only_offset and high_profit < sl_offset):
if not (self.trailing_only_offset_is_reached and high_profit < sl_offset):
# Specific handling for trailing_stop_positive
if 'trailing_stop_positive' in self.config and high_profit > sl_offset:
# Ignore mypy error check in configuration that this is a float
stop_loss_value = self.config.get('trailing_stop_positive') # type: ignore
if self.trailing_stop_positive is not None and high_profit > sl_offset:
stop_loss_value = self.trailing_stop_positive
logger.debug(f"{trade.pair} - Using positive stoploss: {stop_loss_value} "
f"offset: {sl_offset:.4g} profit: {current_profit:.4f}%")