Merge pull request #18 from samcm/fix/bad-consensus-block

fix(consensus): Fix a panic if a bad consensus block is fetched
ethpandaops · May 19, 2022 · 0ce1c61 · 0ce1c61
2 parents 738afd9 + 125062d
commit 0ce1c61
Showing 1 changed file with 12 additions and 0 deletions.
diff --git a/pkg/exporter/consensus/jobs/general.go b/pkg/exporter/consensus/jobs/general.go
@@ -188,6 +188,18 @@ func (g *General) GetBeaconSlot(ctx context.Context, identifier string) error {
 		return err
 	}
 
+	if block == nil {
+		return errors.New("block is nil")
+	}
+
+	if block.Header == nil {
+		return errors.New("block header is nil")
+	}
+
+	if block.Header.Message == nil {
+		return errors.New("block header message is nil")
+	}
+
 	g.ObserveSlot(identifier, uint64(block.Header.Message.Slot))
 
 	return nil