eth_getTransactionCount high latency

[adrianchiforwm]

Hi @splix , we're consistently seeing eth_getTransactionCount response times of above 500ms, while the same call to geth takes 50ms. We tried disabling the call for nodes outside the LB region but it didn't make a big difference.

https://github.com/emeraldpay/dshackle/blob/master/src/main/kotlin/io/emeraldpay/dshackle/upstream/calls/DefaultEthereumMethods.kt#L97

Looks like NonceQuorum needs to confirm with at least 3 upstreams before responding, would it be possible to make this configurable or change it to something more sensible like NotLaggingQuorum(0) ? so it's consistent with eth_getBalance and eth_blockNumber.