Use independent context when updating domain data (#15268)

* Use independent context when updating domain data

* Terence's review

* don't cancel immediately

* fix e2e panic

* add new context for roles

changelog/potuz_domain_data_context.md

@@ -0,0 +1,3 @@
+### Ignored
+
+- Use independent context for domain data calculation. 

testing/endtoend/evaluators/fee_recipient.go

@@ -72,7 +72,11 @@ func feeRecipientIsPresent(_ *types.EvaluationContext, conns ...*grpc.ClientConn
 	if err != nil {
 		return errors.Wrap(err, "failed to get chain head")
 	}
-	req := &ethpb.ListBlocksRequest{QueryFilter: &ethpb.ListBlocksRequest_Epoch{Epoch: chainHead.HeadEpoch.Sub(1)}}
+	epoch := chainHead.HeadEpoch
+	if epoch > 0 {
+		epoch--
+	}
+	req := &ethpb.ListBlocksRequest{QueryFilter: &ethpb.ListBlocksRequest_Epoch{Epoch: epoch}}
 	blks, err := client.ListBeaconBlocks(context.Background(), req)
 	if err != nil {
 		return errors.Wrap(err, "failed to list blocks")

validator/client/runner.go

@@ -119,7 +119,8 @@ func run(ctx context.Context, v iface.Validator) {
 
 			// Start fetching domain data for the next epoch.
 			if slots.IsEpochEnd(slot) {
-				go v.UpdateDomainDataCaches(slotCtx, slot+1)
+				domainCtx, _ := context.WithDeadline(ctx, deadline)
+				go v.UpdateDomainDataCaches(domainCtx, slot+1)
 			}
 
 			var wg sync.WaitGroup
@@ -131,7 +132,10 @@ func run(ctx context.Context, v iface.Validator) {
 				cancel()
 				continue
 			}
-			performRoles(slotCtx, allRoles, v, slot, &wg, span)
+			cancel()
+			// performRoles calls span.End()
+			rolesCtx, _ := context.WithDeadline(ctx, deadline)
+			performRoles(rolesCtx, allRoles, v, slot, &wg, span)
 		case isHealthyAgain := <-healthTracker.HealthUpdates():
 			if isHealthyAgain {
 				headSlot, err = initializeValidatorAndGetHeadSlot(ctx, v)