Friedemann Fürst

Thanks for your reply! Yes, we have a version of the devtools with this fix running in our team and it has fixed our imminent issue of `cancel` calls not...

Yes exactly, we register a callback using `stream.on('data', response => {...})` and after eventually calling `stream.cancel()` are continuing to receive calls to that callback as the stream isn't cancelled.

I added an override for the funding/refunding logic for zkSync. I wasn't sure whether to opt for duplicating code or changing the existing implementation on `EthereumClient` but chose the former...