From 7927a8b995e3920b885c5f8b45a5b6ffdcff1c34 Mon Sep 17 00:00:00 2001
From: Justin Starry <justin@anza.xyz>
Date: Tue, 5 Aug 2025 06:18:37 +0000
Subject: [PATCH] initialize cluster slots with the current root bank

---
 core/src/cluster_slots_service.rs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/core/src/cluster_slots_service.rs b/core/src/cluster_slots_service.rs
index a103b4036f0a9f..f7ed09ee8b699e 100644
--- a/core/src/cluster_slots_service.rs
+++ b/core/src/cluster_slots_service.rs
@@ -83,6 +83,11 @@ impl ClusterSlotsService {
         let mut cluster_slots_service_timing = ClusterSlotsServiceTiming::default();
         let mut last_stats = Instant::now();
         let mut epoch_specs = EpochSpecs::from(bank_forks.clone());
+
+        // initialize cluster slots with the current root bank
+        let root_bank = bank_forks.read().unwrap().root_bank();
+        cluster_slots.update(&root_bank, &cluster_info);
+
         while !exit.load(Ordering::Relaxed) {
             let slots = match cluster_slots_update_receiver.recv_timeout(Duration::from_millis(200))
             {