feat: include more details in validator attestation logs

packages/validator/src/services/attestation.ts

@@ -1,7 +1,7 @@
 import {toHexString} from "@chainsafe/ssz";
 import {BLSSignature, phase0, Slot, ssz} from "@lodestar/types";
 import {computeEpochAtSlot, isAggregatorFromCommitteeLength} from "@lodestar/state-transition";
-import {sleep} from "@lodestar/utils";
+import {prettyBytes, sleep} from "@lodestar/utils";
 import {ApiClient, routes} from "@lodestar/api";
 import {IClock, LoggerVc} from "../util/index.js";
 import {PubkeyHex} from "../types.js";
@@ -233,7 +233,11 @@ export class AttestationService {
     };
     try {
       (await this.api.beacon.submitPoolAttestations({signedAttestations})).assertOk();
-      this.logger.info("Published attestations", {...logCtx, count: signedAttestations.length});
+      this.logger.info("Published attestations", {
+        ...logCtx,
+        head: prettyBytes(headRootHex),
+        count: signedAttestations.length,
+      });
       this.metrics?.publishedAttestations.inc(signedAttestations.length);
     } catch (e) {
       // Note: metric counts only 1 since we don't know how many signedAttestations are invalid
@@ -269,7 +273,8 @@ export class AttestationService {
       slot: attestation.slot,
     });
     const aggregate = res.value();
-    this.metrics?.numParticipantsInAggregate.observe(aggregate.aggregationBits.getTrueBitIndexes().length);
+    const participants = aggregate.aggregationBits.getTrueBitIndexes().length;
+    this.metrics?.numParticipantsInAggregate.observe(participants);
 
     const signedAggregateAndProofs: phase0.SignedAggregateAndProof[] = [];
 
@@ -295,7 +300,11 @@ export class AttestationService {
     if (signedAggregateAndProofs.length > 0) {
       try {
         (await this.api.validator.publishAggregateAndProofs({signedAggregateAndProofs})).assertOk();
-        this.logger.info("Published aggregateAndProofs", {...logCtx, count: signedAggregateAndProofs.length});
+        this.logger.info("Published aggregateAndProofs", {
+          ...logCtx,
+          participants,
+          count: signedAggregateAndProofs.length,
+        });
         this.metrics?.publishedAggregates.inc(signedAggregateAndProofs.length);
       } catch (e) {
         this.logger.error("Error publishing aggregateAndProofs", logCtx, e as Error);