async def create_backtesting_exchange_producers(self):
for importer in self.exchange_importers:
available_data_types = get_available_data_types(importer)
at_least_one_updater = False
for channel_type, updater in UNAUTHENTICATED_UPDATER_SIMULATOR_PRODUCERS.items():
if self._are_required_data_available(channel_type, available_data_types):
await updater(get_trading_chan(updater.CHANNEL_NAME, self.exchange_manager.id), importer).run()
at_least_one_updater = True
if not at_least_one_updater:
self.logger.error(f"No updater created for {importer.symbols} backtesting")
async def resume(self):
if self.time_consumer is None and not self.channel.is_paused:
if ExchangeDataTables.TICKER in get_available_data_types(self.exchange_data_importer):
self.time_consumer = await get_chan(OctoBotBacktestingChannelsName.TIME_CHANNEL.value).new_consumer(
self.handle_timestamp)
else:
# asyncio.shield to avoid auto-cancel (if error in other tasks that will exit main asyncio.gather)
# resulting in failure to register as consumer
await asyncio.shield(register_on_ohlcv_chan(self.channel.exchange_manager.id,
self._ticker_from_ohlcv_callback))
async def resume(self):
if not self.is_running:
if self.time_consumer is None and not self.channel.is_paused:
if ExchangeDataTables.TICKER in get_available_data_types(self.exchange_data_importer):
self.time_consumer = await get_chan(OctoBotBacktestingChannelsName.TIME_CHANNEL.value).new_consumer(
self.handle_timestamp)
else:
await get_exchange_chan(OHLCV_CHANNEL,
self.channel.exchange_manager.id)\
.new_consumer(self._ticker_from_ohlcv_callback)
self.last_timestamp_pushed_by_symbol = {
symbol: 0
for symbol in self.channel.exchange_manager.exchange_config.traded_symbol_pairs
}
self.is_running = True
def get_real_available_data(self):
available_data = set()
for importer in self.exchange_importers:
available_data = available_data.union(
get_available_data_types(importer))
return available_data