Add peerDAS kzg verification metrics (#7154)

* Add peerDAS gossip metrics (#7066)

* Add peerDAS gossip metrics

* Add formatting

* Add peerDAS kzg batch verification metric into gossip_validation

* Fix time

---------

Co-authored-by: Agnish Ghosh <[email protected]>

Author: KatyaRyazantseva

beacon_chain/gossip_processing/gossip_validation.nim

@@ -53,6 +53,10 @@ declareHistogram beacon_data_column_sidecar_gossip_verification_seconds,
   "Full runtime of data column sidecars gossip verification",
   buckets = [0.005, 0.01, 0.025, 0.05, 0.075, 0.1, 0.25, 0.5, 0.75, 1.0, 2.5, 5.0, 7.5, 10.0, Inf]
 
+declareHistogram beacon_data_column_sidecar_inclusion_proof_verification_seconds,
+  "Runtime of batched data column kzg verification",
+  buckets = [0.005, 0.01, 0.025, 0.05, 0.075, 0.1, 0.25, 0.5, 0.75, 1.0, 2.5, 5.0, 7.5, 10.0, Inf]
+
 # This result is a little messy in that it returns Result.ok for
 # ValidationResult.Accept and an err for the others - this helps transport
 # an error message to callers but could arguably be done in an cleaner way.
@@ -716,10 +720,15 @@ proc validateDataColumnSidecar*(
   # [REJECT] The sidecar's column data is valid as
   # verified by `verify_data_column_kzg_proofs(sidecar)`
   block:
-    let r = check_data_column_sidecar_kzg_proofs(data_column_sidecar)
+    let
+      kzgStartTick = Moment.now()
+      r = check_data_column_sidecar_kzg_proofs(data_column_sidecar)
+      kzgValidationTick = Moment.now()
+      kzgValidationDur = kzgValidationTick - kzgStartTick
+    beacon_data_column_sidecar_inclusion_proof_verification_seconds.observe(kzgValidationDur.toFloatSeconds())
     if r.isErr:
       return dag.checkedReject(r.error)
-
+ 
   let
     validationTick = Moment.now()
     validationDur = validationTick - startTick