Function sp_trie::read_child_trie_hash
source · pub fn read_child_trie_hash<L: TrieConfiguration, DB>(
keyspace: &[u8],
db: &DB,
root: &TrieHash<L>,
key: &[u8],
recorder: Option<&mut dyn TrieRecorder<TrieHash<L>>>,
cache: Option<&mut dyn TrieCache<L::Codec>>
) -> Result<Option<TrieHash<L>>, Box<TrieError<L>>>
Expand description
Read a hash from the child trie.