Type Definition sp_state_machine::MemoryDB

pub type MemoryDB<H> = MemoryDB<H, HashKey<H>, Vec<u8, Global>, NoopTracker<Vec<u8, Global>>>;

Reexport from hash_db, with genericity set for Hasher trait. This uses a noops KeyFunction (key addressing must be hashed or using an encoding scheme that avoid key conflict).

Trait Implementations

impl<H: Hasher> TrieBackendStorage<H> for MemoryDB<H>

type Overlay = MemoryDB<H>

Type of in-memory overlay.

fn get(
    &self,
    key: &H::Out,
    prefix: Prefix<'_>
) -> Result<Option<DBValue>, DefaultError>

Get the value stored at key.