From 721a58118060b70819e6fa620ae4003cf206f58d Mon Sep 17 00:00:00 2001
From: Alexey Shekhirin <5773434+shekhirin@users.noreply.github.com>
Date: Mon, 6 Jan 2025 20:20:50 +0000
Subject: [PATCH] fix(tree): do not reveal nodes twice in sparse trie (#13674)

---
 crates/trie/sparse/src/trie.rs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/crates/trie/sparse/src/trie.rs b/crates/trie/sparse/src/trie.rs
index 04f034e1c..8f54d9454 100644
--- a/crates/trie/sparse/src/trie.rs
+++ b/crates/trie/sparse/src/trie.rs
@@ -282,6 +282,11 @@ impl<P> RevealedSparseTrie<P> {
         node: TrieNode,
         hash_mask: Option<TrieMask>,
     ) -> SparseTrieResult<()> {
+        // If the node is already revealed and it's not a hash node, do nothing.
+        if self.nodes.get(&path).is_some_and(|node| !node.is_hash()) {
+            return Ok(())
+        }
+
         if let Some(hash_mask) = hash_mask {
             self.branch_node_hash_masks.insert(path.clone(), hash_mask);
         }