84 lines
3.2 KiB
Python
84 lines
3.2 KiB
Python
import json
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import logging
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from wrapt import synchronized
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logger = logging.getLogger(__name__)
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_cur_conf = None
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@synchronized
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def get_conf(filename='config.json'):
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"""
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Loads the config into memory and returns the instance of it
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:return: dict
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"""
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global _cur_conf
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if not _cur_conf:
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with open(filename) as fp:
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_cur_conf = json.load(fp)
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validate_conf(_cur_conf)
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return _cur_conf
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def validate_conf(conf):
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"""
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Validates if the minimal possible config is provided
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:param conf: config as dict
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:return: None, raises ValueError if something is wrong
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"""
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if not isinstance(conf.get('max_open_trades'), int):
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raise ValueError('max_open_trades must be a int')
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if not isinstance(conf.get('stake_currency'), str):
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raise ValueError('stake_currency must be a str')
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if not isinstance(conf.get('stake_amount'), float):
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raise ValueError('stake_amount must be a float')
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if not isinstance(conf.get('dry_run'), bool):
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raise ValueError('dry_run must be a boolean')
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if not isinstance(conf.get('minimal_roi'), dict):
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raise ValueError('minimal_roi must be a dict')
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for i, (minutes, threshold) in enumerate(conf.get('minimal_roi').items()):
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if not isinstance(minutes, str):
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raise ValueError('minimal_roi[{}].key must be a string'.format(i))
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if not isinstance(threshold, float):
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raise ValueError('minimal_roi[{}].value must be a float'.format(i))
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if conf.get('telegram'):
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telegram = conf.get('telegram')
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if not isinstance(telegram.get('token'), str):
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raise ValueError('telegram.token must be a string')
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if not isinstance(telegram.get('chat_id'), str):
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raise ValueError('telegram.chat_id must be a string')
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if conf.get('poloniex'):
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poloniex = conf.get('poloniex')
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if not isinstance(poloniex.get('key'), str):
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raise ValueError('poloniex.key must be a string')
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if not isinstance(poloniex.get('secret'), str):
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raise ValueError('poloniex.secret must be a string')
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if not isinstance(poloniex.get('pair_whitelist'), list):
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raise ValueError('poloniex.pair_whitelist must be a list')
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if poloniex.get('enabled', False):
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if not poloniex.get('pair_whitelist'):
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raise ValueError('poloniex.pair_whitelist must contain some pairs')
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if conf.get('bittrex'):
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bittrex = conf.get('bittrex')
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if not isinstance(bittrex.get('key'), str):
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raise ValueError('bittrex.key must be a string')
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if not isinstance(bittrex.get('secret'), str):
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raise ValueError('bittrex.secret must be a string')
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if not isinstance(bittrex.get('pair_whitelist'), list):
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raise ValueError('bittrex.pair_whitelist must be a list')
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if bittrex.get('enabled', False):
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if not bittrex.get('pair_whitelist'):
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raise ValueError('bittrex.pair_whitelist must contain some pairs')
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if conf.get('poloniex', {}).get('enabled', False) \
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and conf.get('bittrex', {}).get('enabled', False):
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raise ValueError('Cannot use poloniex and bittrex at the same time')
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logger.info('Config is valid ...')
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