From afa694e56615aa2e01ccd599bf561904a820cd56 Mon Sep 17 00:00:00 2001
From: Lucia <lucia.wang@harmoney.co.nz>
Date: Mon, 10 Nov 2025 23:02:49 +1300
Subject: [PATCH] add validation

---
 core/rawdb/freezer_batch.go | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/core/rawdb/freezer_batch.go b/core/rawdb/freezer_batch.go
index 7e46e49f43..080c0720a1 100644
--- a/core/rawdb/freezer_batch.go
+++ b/core/rawdb/freezer_batch.go
@@ -51,12 +51,18 @@ func newFreezerBatch(f *Freezer) *freezerBatch {
 
 // Append adds an RLP-encoded item of the given kind.
 func (batch *freezerBatch) Append(kind string, num uint64, item interface{}) error {
-	return batch.tables[kind].Append(num, item)
+	if table := batch.tables[kind]; table != nil {
+		return table.Append(num, item)
+	}
+	return errUnknownTable
 }
 
 // AppendRaw adds an item of the given kind.
 func (batch *freezerBatch) AppendRaw(kind string, num uint64, item []byte) error {
-	return batch.tables[kind].AppendRaw(num, item)
+	if table := batch.tables[kind]; table != nil {
+		return table.AppendRaw(num, item)
+	}
+	return errUnknownTable
 }
 
 // reset initializes the batch.