chore: rpc usage metrics #136
Description
Background
It's difficult to rationalise issues associated with RPC connections and the watch-tower. More metrics are needed around this.
Details
Add additional metrics that are able to comprehensively track all RPC usage throughout all code paths.
Acceptance criteria
The following metrics should be implemented:
- RPC calls (
eth_call) - Gas consumption for (
eth_call) - Time elapsed between new block notifications
- Time elapsed processing a block (ie. from receipt to polling finished)