Add support for subscriptions about cosmjs HOT 7 CLOSED

What would also work is a hybrid, where you use a tendermint socker subscribtion to get notified about new data. When you receive a new transaction, you ignore the amino data and pull via REST.

from cosmjs.

Apparently it is not possible to subscribe with the rest server, only via tendermint rpc. Got this response from a lunie wallet dev:

It is not possible to subscribe via the rest server. (frequently requested feature by me :D).

from cosmjs.

Let's just do polling like in the Lisk connector. That brought us quite far and is way more stable than websockets.

from cosmjs.

Okay

from cosmjs.

Yes, I like this. I think we did some of this at iov. Just have a stream of "update happened" from the subscription service. And those events trigger a rest call to get the data.

I can look into proper tendermint subscription queries, but that would also require a second url and connection (maybe optional?)

from cosmjs.

For wallet integration we need watchAccount and liveTx. The first one is easy. The second one can be implemented like Lisk. This is horribly inefficient without min/max height search filters, but those will be available soon.

from cosmjs.

Closing since the BCP implementation is moving out of here and subscriptions will get their comeback in a couple of weeks when we successfully communicate with Tendermint.

from cosmjs.