From 39518c3dd6261ee4f9c123e418ad24ad87ce7d76 Mon Sep 17 00:00:00 2001
From: hanabi1224 <harlowmoo@gmail.com>
Date: Thu, 11 Jun 2026 17:05:00 +0800
Subject: [PATCH] fix: RPC cache prefilling for eth pending tag

---
 src/chain_sync/chain_follower.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/chain_sync/chain_follower.rs b/src/chain_sync/chain_follower.rs
index a284572d234..5a1313653a6 100644
--- a/src/chain_sync/chain_follower.rs
+++ b/src/chain_sync/chain_follower.rs
@@ -847,10 +847,10 @@ impl SyncStateMachine {
                 tipset,
                 is_proposed_head,
             } => {
-                let tsk = tipset.key().clone();
                 if self.try_mark_tipset_as_validated(tipset, is_proposed_head)
                     && crate::utils::broadcast::has_subscribers(&self.validated_tipset_broadcast_tx)
-                    && let Err(e) = self.validated_tipset_broadcast_tx.send(tsk)
+                    // Sending the actual head key here as it could be expanded from the above tipset when `is_proposed_head` is `true`
+                    && let Err(e) = self.validated_tipset_broadcast_tx.send(self.cs.heaviest_tipset().key().clone())
                 {
                     warn!("Failed to broadcast validated tipset: {e}");
                 }