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Min-rate should not default to 0

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This commit is contained in:
Matthias 2019-03-16 20:04:39 +01:00
parent 738ed93221
commit 68a9b14eca
1 changed files with 6 additions and 6 deletions
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12
freqtrade/persistence.py
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@ -95,7 +95,7 @@ def check_migrate(engine) -> None:
stoploss_order_id = get_column_def(cols, 'stoploss_order_id', 'null')
stoploss_last_update = get_column_def(cols, 'stoploss_last_update', 'null')
max_rate = get_column_def(cols, 'max_rate', '0.0')
min_rate = get_column_def(cols, 'min_rate', '0.0')
min_rate = get_column_def(cols, 'min_rate', 'null')
sell_reason = get_column_def(cols, 'sell_reason', 'null')
strategy = get_column_def(cols, 'strategy', 'null')
ticker_interval = get_column_def(cols, 'ticker_interval', 'null')
@ -193,7 +193,7 @@ class Trade(_DECL_BASE):
# absolute value of the highest reached price
max_rate = Column(Float, nullable=True, default=0.0)
# Lowest price reached
min_rate = Column(Float, nullable=True, default=0.0)
min_rate = Column(Float, nullable=True)
sell_reason = Column(String, nullable=True)
strategy = Column(String, nullable=True)
ticker_interval = Column(Integer, nullable=True)
@ -204,13 +204,13 @@ class Trade(_DECL_BASE):
return (f'Trade(id={self.id}, pair={self.pair}, amount={self.amount:.8f}, '
f'open_rate={self.open_rate:.8f}, open_since={open_since})')
def adjust_high_low(self, current_price):
def adjust_high_low(self, current_price: float):
"""
Adjust the max_rate and min_rate.
"""
logger.info("Adjusting high/low")
self.max_rate = max(current_price, self.max_rate)
self.min_rate = min(current_price, self.min_rate)
logger.debug("Adjusting min/max rates")
self.max_rate = max(current_price, self.max_rate or 0.0)
self.min_rate = min(current_price, self.min_rate or 10000000.0)
def adjust_stop_loss(self, current_price: float, stoploss: float, initial: bool = False):
"""this adjusts the stop loss to it's most recently observed setting"""