From 2f21f7279a25cca7c613fc67dcd57c2968630bfa Mon Sep 17 00:00:00 2001
From: Gary Rong <garyrong0905@gmail.com>
Date: Tue, 9 Sep 2025 10:16:24 +0800
Subject: [PATCH] triedb/pathdb: sync ancient store before journal

---
 triedb/pathdb/journal.go | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/triedb/pathdb/journal.go b/triedb/pathdb/journal.go
index 7a634dc974..02bdef5d34 100644
--- a/triedb/pathdb/journal.go
+++ b/triedb/pathdb/journal.go
@@ -333,7 +333,16 @@ func (db *Database) Journal(root common.Hash) error {
 	if db.readOnly {
 		return errDatabaseReadOnly
 	}
-
+	// Forcibly sync the ancient store before persisting the in-memory layers.
+	// This prevents an edge case where the in-memory layers are persisted
+	// but the ancient store is not properly closed, resulting in recent writes
+	// being lost. After a restart, the ancient store would then be misaligned
+	// with the disk layer, causing data corruption.
+	if db.stateFreezer != nil {
+		if err := db.stateFreezer.SyncAncient(); err != nil {
+			return err
+		}
+	}
 	// Store the journal into the database and return
 	var (
 		file        *os.File