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code cleanup in _process()

This commit is contained in:
hroff-1902 2019-02-20 15:12:04 +03:00
parent 788cbb6776
commit 5906d37818
1 changed files with 17 additions and 8 deletions
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25
freqtrade/freqtradebot.py
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@ -7,7 +7,7 @@ import logging
import time import time
import traceback import traceback
from datetime import datetime from datetime import datetime
from typing import Any, Callable, Dict, List, Optional from typing import Any, Callable, Dict, List, Optional, Tuple
import arrow import arrow
from requests.exceptions import RequestException from requests.exceptions import RequestException
@ -166,15 +166,11 @@ class FreqtradeBot(object):
trades = Trade.query.filter(Trade.is_open.is_(True)).all() trades = Trade.query.filter(Trade.is_open.is_(True)).all()
# Extend active-pair whitelist with pairs from open trades # Extend active-pair whitelist with pairs from open trades
# ensures that tickers are downloaded for open trades # It ensures that tickers are downloaded for open trades
self.active_pair_whitelist.extend([trade.pair for trade in trades self._extend_whitelist_with_trades(self.active_pair_whitelist)
if trade.pair not in self.active_pair_whitelist])
# Create pair-whitelist tuple with (pair, ticker_interval)
pair_whitelist_tuple = [(pair, self.config['ticker_interval'])
for pair in self.active_pair_whitelist]
# Refreshing candles # Refreshing candles
self.dataprovider.refresh(pair_whitelist_tuple, self.dataprovider.refresh(self._create_pair_whitelist(self.active_pair_whitelist),
self.strategy.informative_pairs()) self.strategy.informative_pairs())
# First process current opened trades # First process current opened trades
@ -204,6 +200,19 @@ class FreqtradeBot(object):
self.state = State.STOPPED self.state = State.STOPPED
return state_changed return state_changed
def _extend_whitelist_with_trades(self, whitelist: List[str]):
# Query trades from persistence layer
trades = Trade.query.filter(Trade.is_open.is_(True)).all()
# Extend whitelist with pairs from open trades
whitelist.extend([trade.pair for trade in trades if trade.pair not in whitelist])
def _create_pair_whitelist(self, pairs: List[str]) -> List[Tuple[str, str]]:
"""
Create pair-whitelist tuple with (pair, ticker_interval)
"""
return [(pair, self.config['ticker_interval']) for pair in pairs]
def get_target_bid(self, pair: str) -> float: def get_target_bid(self, pair: str) -> float:
""" """
Calculates bid target between current ask price and last price Calculates bid target between current ask price and last price