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Introduce get_free_open_trades() method

This commit is contained in:
hroff-1902 2019-12-28 03:46:42 +03:00
parent 8eeabd2372
commit 3dbd83e35a
1 changed files with 15 additions and 7 deletions
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22
freqtrade/freqtradebot.py
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@ -136,7 +136,7 @@ class FreqtradeBot:
self.process_maybe_execute_sells(trades)
# Then looking for buy opportunities
if len(trades) < self.config['max_open_trades']:
if self.get_free_open_trades():
self.process_maybe_execute_buys()
# Check and handle any timed out open orders
@ -173,6 +173,14 @@ class FreqtradeBot:
"""
return [(pair, self.config['ticker_interval']) for pair in pairs]
def get_free_open_trades(self):
"""
Return the number of free open trades slots or 0 if
max number of open trades reached
"""
open_trades = len(Trade.get_open_trades())
return max(0, self.config['max_open_trades'] - open_trades)
def get_target_bid(self, pair: str, tick: Dict = None) -> float:
"""
Calculates bid target between current ask price and last price
@ -229,11 +237,11 @@ class FreqtradeBot:
Calculate stake amount for "unlimited" stake amount
:return: None if max number of trades reached
"""
open_trades = len(Trade.get_open_trades())
if open_trades >= self.config['max_open_trades']:
free_open_trades = self.get_free_open_trades()
if not free_open_trades:
return None
available_amount = self.wallets.get_free(self.config['stake_currency'])
return available_amount / (self.config['max_open_trades'] - open_trades)
return available_amount / free_open_trades
def _check_available_stake_amount(self, stake_amount: Optional[float]) -> Optional[float]:
"""
@ -321,12 +329,12 @@ class FreqtradeBot:
pair, self.strategy.ticker_interval,
self.dataprovider.ohlcv(pair, self.strategy.ticker_interval))
if buy and not sell and len(Trade.get_open_trades()) < self.config['max_open_trades']:
stake_amount = self.get_trade_stake_amount(pair)
if stake_amount is None:
if buy and not sell:
if not self.get_free_open_trades():
logger.warning("Can't open a new trade: max number of trades is reached")
continue
stake_amount = self.get_trade_stake_amount(pair)
logger.info(f"Buy signal found: about create a new trade with stake_amount: "
f"{stake_amount} ...")