Trait NodeDb
sc_state_db
pub trait NodeDb { type Key: ?Sized; type Error: Debug; fn get(&self, key: &Self::Key) -> Result<Option<DBValue>, Self::Error>; }
Backend database trait. Read-only.
type Key: ?Sized
type Error: Debug
fn get(&self, key: &Self::Key) -> Result<Option<DBValue>, Self::Error>
Get state trie node.