Function sp_trie::read_trie_value_with

source · [−]

pub fn read_trie_value_with<L, Q, DB>(
    db: &DB, 
    root: &TrieHash<L>, 
    key: &[u8], 
    query: Q
) -> Result<Option<Vec<u8>>, Box<TrieError<L>>> where
    L: TrieConfiguration,
    Q: Query<L::Hash, Item = DBValue>,
    DB: HashDBRef<L::Hash, DBValue>,

Expand description

Read a value from the trie with given Query.