refactor(l1): remove dependency of storage merkelization on the current account state

crates/blockchain/blockchain.rs

@@ -602,12 +602,15 @@ impl Blockchain {
                 let (storage_trie, storage_updates_map) = storage_updates_map
                     .entry(hashed_address_h256)
                     .or_insert_with(|| {
-                        (
-                            storage.open_storage_trie(
+                        let db = storage
+                            .open_storage_trie(
                                 hashed_address_h256,
-                                account_state.storage_root,
+                                *EMPTY_TRIE_HASH,
                                 parent_header.state_root,
-                            ),
+                            )
+                            .map(|v| v.db);
+                        (
+                            db.and_then(|db| Trie::open_noroot(db).map_err(StoreError::Trie)),
                             Default::default(),
                         )
                     });

crates/common/trie/trie.rs

@@ -52,7 +52,7 @@ pub type TrieNode = (Nibbles, NodeRLP);
 
 /// Ethereum-compatible Merkle Patricia Trie
 pub struct Trie {
-    db: Box<dyn TrieDB>,
+    pub db: Box<dyn TrieDB>,
     pub root: NodeRef,
     pending_removal: FxHashSet<Nibbles>,
     dirty: FxHashSet<Nibbles>,
@@ -89,6 +89,16 @@ impl Trie {
         }
     }
 
+    pub fn open_noroot(db: Box<dyn TrieDB>) -> Result<Self, TrieError> {
+        let mut trie = Trie::open(db, *EMPTY_TRIE_HASH);
+        if let Some(root) = NodeRef::from(NodeHash::from(*EMPTY_TRIE_HASH))
+            .get_node(trie.db.as_ref(), Nibbles::default())?
+        {
+            trie.root = root.into();
+        }
+        Ok(trie)
+    }
+
     /// Return a reference to the internal database.
     ///
     /// Warning: All changes made to the db will bypass the trie and may cause the trie to suddenly