WebSocket - does it work for futures?

Hi,

Does websockets work with futures?

I am passing instrument_token for a futures contract o subscribe but not getting any ticks.

The connect callback shows ws is connected.


def initWebSocket(token, quote, subs):
print("Initializing web socket...", my_api_key, token[1], my_user_id)
# Initialise.
kws = WebSocket(my_api_key, token[1], my_user_id)

# Callback for tick reception.
def on_tick(ticks, ws):
print(ticks)
for tick in ticks:
quote[tick["instrument_token"]] = tick["last_price"]
print("TICK===>", tick["instrument_token"], tick["last_price"])

# Callback for successful connection.
def on_connect(ws):
print("On connect...", subs)
print("Is connected...", ws.is_connected())
# copying the list, otherwise gives a "Object of type 'ListProxy' is not JSON serializable"
subcopy = []
for s in subs:
subcopy.append(s)
print(s)

# Subscribe to a list of instrument_tokens
ws.subscribe(subcopy)
ws.set_mode(ws.MODE_LTP, subcopy)


# Assign the callbacks.
kws.on_tick = on_tick
kws.on_connect = on_connect

kws.enable_reconnect(reconnect_interval=5, reconnect_tries=50)

# Infinite loop on the main thread. Nothing after this will run.
# You have to use the pre-defined callbacks to manage subscriptions.
kws.connect()


Thanks