49 lines
2.1 KiB
Python
49 lines
2.1 KiB
Python
import logging
|
|
from typing import Any, Dict
|
|
|
|
from freqtrade import OperationalException
|
|
from freqtrade.exchange import (is_exchange_bad, is_exchange_available,
|
|
is_exchange_officially_supported, available_exchanges)
|
|
|
|
|
|
logger = logging.getLogger(__name__)
|
|
|
|
|
|
def check_exchange(config: Dict[str, Any], check_for_bad: bool = True) -> bool:
|
|
"""
|
|
Check if the exchange name in the config file is supported by Freqtrade
|
|
:param check_for_bad: if True, check the exchange against the list of known 'bad'
|
|
exchanges
|
|
:return: False if exchange is 'bad', i.e. is known to work with the bot with
|
|
critical issues or does not work at all, crashes, etc. True otherwise.
|
|
raises an exception if the exchange if not supported by ccxt
|
|
and thus is not known for the Freqtrade at all.
|
|
"""
|
|
logger.info("Checking exchange...")
|
|
|
|
exchange = config.get('exchange', {}).get('name').lower()
|
|
if not is_exchange_available(exchange):
|
|
raise OperationalException(
|
|
f'Exchange "{exchange}" is not supported by ccxt '
|
|
f'and therefore not available for the bot.\n'
|
|
f'The following exchanges are supported by ccxt: '
|
|
f'{", ".join(available_exchanges())}'
|
|
)
|
|
|
|
if check_for_bad and is_exchange_bad(exchange):
|
|
logger.warning(f'Exchange "{exchange}" is known to not work with the bot yet. '
|
|
f'Use it only for development and testing purposes.')
|
|
return False
|
|
|
|
if is_exchange_officially_supported(exchange):
|
|
logger.info(f'Exchange "{exchange}" is officially supported '
|
|
f'by the Freqtrade development team.')
|
|
else:
|
|
logger.warning(f'Exchange "{exchange}" is supported by ccxt '
|
|
f'and therefore available for the bot but not officially supported '
|
|
f'by the Freqtrade development team. '
|
|
f'It may work flawlessly (please report back) or have serious issues. '
|
|
f'Use it at your own discretion.')
|
|
|
|
return True
|