Add Ability to Trace IDONTWANT Control Messages (#14778)

* Trace IDONTWANT Requests

* Changelog

CHANGELOG.md

@@ -18,6 +18,7 @@ The format is based on Keep a Changelog, and this project adheres to Semantic Ve
 - Add field param placeholder for Electra blob target and max to pass spec tests.
 - Add EIP-7691: Blob throughput increase.
 - SSZ files generation: Remove the `// Hash: ...` header.
+- Trace IDONTWANT Messages in Pubsub.
 
 ### Changed
 

beacon-chain/p2p/pubsub_tracer.go

@@ -108,6 +108,7 @@ func (g gossipTracer) setMetricFromRPC(act action, subCtr prometheus.Counter, pu
 		ctrlCtr.WithLabelValues("prune").Add(float64(len(rpc.Control.Prune)))
 		ctrlCtr.WithLabelValues("ihave").Add(float64(len(rpc.Control.Ihave)))
 		ctrlCtr.WithLabelValues("iwant").Add(float64(len(rpc.Control.Iwant)))
+		ctrlCtr.WithLabelValues("idontwant").Add(float64(len(rpc.Control.Idontwant)))
 	}
 	for _, msg := range rpc.Publish {
 		// For incoming messages from pubsub, we do not record metrics for them as these values