check key len

Near-One · Nov 7, 2023 · 3d8de1a · 3d8de1a
1 parent 06760f2
commit 3d8de1a
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/contracts/near/eth-prover/src/lib.rs b/contracts/near/eth-prover/src/lib.rs
@@ -336,7 +336,8 @@ impl EthProver {
                 }
             } else {
                 // Extension node
-                if path.as_slice() == &key[key_index..key_index + path.len()] {
+                if key_index + path.len() <= key.len() &&
+                    path.as_slice() == &key[key_index..key_index + path.len()] {
                     let new_expected_root = get_vec(&node, 1);
                     Self::_verify_trie_proof(
                         new_expected_root,