def process_configuration(self, configuration: Dict[str, str]) -> Dict[str, Union[str, int, Decimal, CandleSize]]:
configuration_formatted = cast(
Dict[str, Union[str, int, Decimal, CandleSize]],
format_data_to_python_types(configuration, self.get_configuration_structure())
)
if 'candle_size' not in configuration_formatted:
configuration_formatted['candle_size'] = DEFAULT_CANDLE_SIZE_CONFIGURATION
configuration_formatted['candle_size'] = deserialize_candle_size(str(configuration_formatted['candle_size']))
return configuration_formatted
def candles(sid, data):
logger.info('RECEIVED: {}, {}'.format(EVENT_GET_CANDLES, data))
if 'candle_storage' not in data:
return 'ERROR', {
'message': 'Missing "candle_storage" field in request.'
}
candle_storage = candle_storage_plugins.get_candle_storage(
data['candle_storage'])
result_candles = candle_storage.find_by(
data['market'],
deserialize_pair(data['pair']),
deserialize_datetime_interval(data['interval']),
candle_size=deserialize_candle_size(data['candle_size']))
return 'OK', serialize_candles(result_candles)
def on_subscribe(session_id, data):
if data['event'] == EVENT_LAST_CANDLE_UPDATED:
subscription = LastCandleSubscription(
session_id, data['storage'], data['market'],
deserialize_pair(data['pair']),
deserialize_candle_size(data['candle_size']))
elif data['event'] == EVENT_NEW_ORDER:
subscription = NewOrderSubscription(
session_id, data['storage'], data['market'],
deserialize_pair(data['pair']),
deserialize_datetime_interval(data['interval']))
elif data['event'] == EVENT_NEW_STRATEGY_RUN:
subscription = NewStrategyRunSubscription(session_id)
else:
raise ValueError('Event "{}" not supported'.format(
data['event']))
self._subscription_storage.subscribe(subscription)
return 'OK'