code: func (t *SecureTrie) TryGet(key []byte) ([]byte, error) {
  	return t.trie.TryGet(t.hashKey(key))
  }
docs: // TryGet returns the value for key stored in the trie.
  // The value bytes must not be modified by the caller.
  // If a node was not found in the database, a MissingNodeError is returned.