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Daniel Savu 3cbb06a07a feat: fetch chain-specific metrics in standalone task (#3214) ... ### Description Spawning a tokio task to fetch chain-specific metrics in provider middleware was wasteful because we ended up with 15 tasks doing the same job. Now there is a single task that is spawned inside the relayer, which I added in the struct that used to only fetch relayer balance. Some questions: - I'm realising in the current state I'm probably removing these metrics from validators. Lmk if yes and I'll add back - the chain-specific metrics were moved out of `MiddlewareMetrics` because they're no longer part of middleware, but I wasn't sure where to place them. Maybe `CoreMetrics` is a better place than the current `custom_metrics.rs` file? `tokio-metrics` turned out not to be useful because we'd need to instrument every call site of `tokio::spawn` with it. We should still do it but as a separate task imo. ### Drive-by changes - This PR also makes it very easy to add the metrics tasks for new chains, by extending the `HyperlaneProvider` trait with a `get_chain_metrics` call which seems reasonably general to me to have implemented by all providers. (Bc we currently only track these for evm chains) - the description, naming and logic of the `gas_price` metric was also changed to support new chains ### Related issues - Fixes https://github.com/hyperlane-xyz/hyperlane-monorepo/issues/3047 ### Backward compatibility Yes ### Testing Still need to manually test		10 months ago
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middleware	feat: fetch chain-specific metrics in standalone task (#3214)	10 months ago
json_rpc_client.rs	Cosmos grpc fallbackprovider (#3139)	10 months ago
lib.rs	Relayer balance metrics (#2976)	1 year ago