batch rpc requests together

[thehowl]

We should look to perform multiple requests together in RPC. I don't know if this is something our client supports out of the box; but it should.

[zivkovicmilos]

I don't know if this is something our client supports out of the box

We do 🚀

tx-archive could us a little love -- we can now switch it over to WS + batches

cc @aeddi

[aeddi]

I'll note this issue in my to-do list. 😉