@Override
  public String toString() {
    return getClass().getSimpleName() + "[" + getRootHash() + "]";
  }
Create a trie.

@param nodeFactory The {@link StoredNodeFactory} to retrieve node.
@param rootHash The initial root hash for the trie, which should be already present in {@code
    storage}.
ethereum/trie/src/main/java/org/hyperledger/besu/ethereum/trie/StoredMerkleTrie.java