further refactoring of FreqtradeBot.process()
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hroff-1902
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e35daf95c0
commit
158cb307f6
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@ -4,7 +4,6 @@ Freqtrade is the main module of this bot. It contains the class Freqtrade()
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import copy
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import logging
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import time
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import traceback
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from datetime import datetime
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from typing import Any, Dict, List, Optional, Tuple
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@ -13,7 +12,7 @@ import arrow
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from requests.exceptions import RequestException
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from freqtrade import (DependencyException, OperationalException,
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TemporaryError, __version__, constants, persistence)
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__version__, constants, persistence)
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from freqtrade.data.converter import order_book_to_dataframe
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from freqtrade.data.dataprovider import DataProvider
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from freqtrade.edge import Edge
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@ -99,55 +98,43 @@ class FreqtradeBot(object):
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:return: True if one or more trades has been created or closed, False otherwise
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"""
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state_changed = False
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try:
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# Check whether markets have to be reloaded
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self.exchange._reload_markets()
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# Refresh whitelist
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self.pairlists.refresh_pairlist()
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self.active_pair_whitelist = self.pairlists.whitelist
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# Check whether markets have to be reloaded
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self.exchange._reload_markets()
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# Calculating Edge positioning
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if self.edge:
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self.edge.calculate()
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self.active_pair_whitelist = self.edge.adjust(self.active_pair_whitelist)
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# Refresh whitelist
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self.pairlists.refresh_pairlist()
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self.active_pair_whitelist = self.pairlists.whitelist
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# Query trades from persistence layer
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trades = Trade.get_open_trades()
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# Calculating Edge positioning
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if self.edge:
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self.edge.calculate()
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self.active_pair_whitelist = self.edge.adjust(self.active_pair_whitelist)
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# Extend active-pair whitelist with pairs from open trades
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# It ensures that tickers are downloaded for open trades
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self._extend_whitelist_with_trades(self.active_pair_whitelist, trades)
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# Query trades from persistence layer
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trades = Trade.get_open_trades()
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# Refreshing candles
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self.dataprovider.refresh(self._create_pair_whitelist(self.active_pair_whitelist),
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self.strategy.informative_pairs())
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# Extend active-pair whitelist with pairs from open trades
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# It ensures that tickers are downloaded for open trades
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self._extend_whitelist_with_trades(self.active_pair_whitelist, trades)
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# First process current opened trades
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for trade in trades:
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state_changed |= self.process_maybe_execute_sell(trade)
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# Refreshing candles
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self.dataprovider.refresh(self._create_pair_whitelist(self.active_pair_whitelist),
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self.strategy.informative_pairs())
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# Then looking for buy opportunities
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if len(trades) < self.config['max_open_trades']:
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state_changed = self.process_maybe_execute_buy()
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# First process current opened trades
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for trade in trades:
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state_changed |= self.process_maybe_execute_sell(trade)
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if 'unfilledtimeout' in self.config:
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# Check and handle any timed out open orders
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self.check_handle_timedout()
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Trade.session.flush()
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# Then looking for buy opportunities
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if len(trades) < self.config['max_open_trades']:
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state_changed = self.process_maybe_execute_buy()
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if 'unfilledtimeout' in self.config:
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# Check and handle any timed out open orders
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self.check_handle_timedout()
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Trade.session.flush()
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except TemporaryError as error:
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logger.warning(f"Error: {error}, retrying in {constants.RETRY_TIMEOUT} seconds...")
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time.sleep(constants.RETRY_TIMEOUT)
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except OperationalException:
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tb = traceback.format_exc()
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hint = 'Issue `/start` if you think it is safe to restart.'
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self.rpc.send_msg({
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'type': RPCMessageType.STATUS_NOTIFICATION,
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'status': f'OperationalException:\n```\n{tb}```{hint}'
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})
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logger.exception('OperationalException. Stopping trader ...')
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self.state = State.STOPPED
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return state_changed
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def _extend_whitelist_with_trades(self, whitelist: List[str], trades: List[Any]):
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@ -6,11 +6,13 @@ Read the documentation to know what cli arguments you need.
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import logging
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import sys
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import time
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import traceback
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from argparse import Namespace
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from typing import Any, Callable, List
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import sdnotify
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from freqtrade import (constants, OperationalException, __version__)
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from freqtrade import (constants, OperationalException, TemporaryError,
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__version__)
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from freqtrade.arguments import Arguments
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from freqtrade.configuration import Configuration, set_loggers
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from freqtrade.state import State
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@ -173,7 +175,23 @@ class Worker(object):
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return result
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def _process(self) -> bool:
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return self.freqtrade.process()
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state_changed = False
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try:
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state_changed = self.freqtrade.process()
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except TemporaryError as error:
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logger.warning(f"Error: {error}, retrying in {constants.RETRY_TIMEOUT} seconds...")
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time.sleep(constants.RETRY_TIMEOUT)
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except OperationalException:
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tb = traceback.format_exc()
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hint = 'Issue `/start` if you think it is safe to restart.'
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self.freqtrade.rpc.send_msg({
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'type': RPCMessageType.STATUS_NOTIFICATION,
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'status': f'OperationalException:\n```\n{tb}```{hint}'
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})
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logger.exception('OperationalException. Stopping trader ...')
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self.state = State.STOPPED
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return state_changed
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def _reconfigure(self):
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"""
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