def __init__(self, pairs=None, channels=None, callbacks=None, **kwargs):
if pairs:
LOG.error("Poloniex does not support pairs")
raise ValueError("Poloniex does not support pairs")
self.pair_mapping = poloniex_id_pair_mapping()
super().__init__('wss://api2.poloniex.com',
channels=channels,
callbacks=callbacks,
**kwargs)
self.__reset()
def __init__(self,
pairs=None,
channels=None,
callbacks=None,
config=None,
**kwargs):
self.pair_mapping = poloniex_id_pair_mapping()
super().__init__('wss://api2.poloniex.com',
pairs=pairs,
channels=channels,
callbacks=callbacks,
config=config,
**kwargs)
"""
Due to the way poloniex subcriptions work, need to do some
ugly manipulation of the config/channels,pairs to create a list
of channels to subscribe to for poloniex as well as a callback map
that we can use to determine if an update should be delivered to the
end client or not
"""
p_ticker = feed_to_exchange(self.id, TICKER)
p_volume = feed_to_exchange(self.id, VOLUME)
if channels:
self.channels = self.pairs
check = channels
self.callback_map = {
channel: set(pairs)
for channel in channels if channel not in {p_ticker, p_volume}
}
elif config:
self.channels = []
for c, v in self.config.items():
if c not in {p_ticker, p_volume}:
self.channels.extend(v)
check = config
self.callback_map = {
key: set(value)
for key, value in config.items()
}
if TICKER in check:
self.channels.append(p_ticker)
if VOLUME in check:
self.channels.append(p_volume)
# channels = pairs = cannot have duplicates
self.channels = list(set(self.channels))
self.__reset()
