From 62bc10c841d6816ce5c3e0422e18e9422e0ce952 Mon Sep 17 00:00:00 2001
From: Roman Krasiuk <rokrassyuk@gmail.com>
Date: Tue, 17 Sep 2024 18:05:42 +0200
Subject: [PATCH] fix(engine): state retrieval for parallel root with persisted
 parent

---
 crates/engine/tree/src/tree/mod.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/crates/engine/tree/src/tree/mod.rs b/crates/engine/tree/src/tree/mod.rs
index ef7ce66c7b34..536e4a1d2d68 100644
--- a/crates/engine/tree/src/tree/mod.rs
+++ b/crates/engine/tree/src/tree/mod.rs
@@ -2274,6 +2274,10 @@ where
             for block in blocks.iter().rev() {
                 input.append_cached_ref(block.trie_updates(), block.hashed_state())
             }
+        } else {
+            // The block attaches to canonical persisted parent.
+            let revert_state = consistent_view.revert_state(parent_hash)?;
+            input.append(revert_state);
         }
 
         // Extend with block we are validating root for.