Index out of bounds issues

onflow · Jan 26, 2021 · a410dfe · a410dfe
1 parent ae8f357
commit a410dfe
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/engine/access/rpc/backend/backend_events.go b/engine/access/rpc/backend/backend_events.go
@@ -103,6 +103,10 @@ func (b *backendEvents) getBlockEventsFromExecutionNode(
 		BlockIds: convert.IdentifiersToMessages(blockIDs),
 	}
 
+	if len(blockIDs) == 0 {
+		return []flow.BlockEvents{}, nil
+	}
+
 	// choose the last block ID to find the list of execution nodes
 	lastBlockID := blockIDs[len(blockIDs)-1]