from autobahn.asyncio.wamp import ApplicationSession
from autobahn.asyncio.wamp import ApplicationRunner
from asyncio import coroutine

class PoloniexComponent(ApplicationSession):
    def onConnect(self):
        self.join(self.config.realm)

    @coroutine
    def onJoin(self, details):
        def onTrollbox(*args):
            print("Trollbox Message received:", args)

        try:
            yield from self.subscribe(onTrollbox, 'trollbox')
        except Exception as e:
            print("Could not subscribe to topic:", e)

runner = ApplicationRunner("wss://api.poloniex.com", "realm1")
runner.run(PoloniexComponent)