Type Definition sp_state_machine::MemoryDB

type MemoryDB<H> = MemoryDB<H, HashKey<H>, Vec<u8>, MemCounter<Vec<u8>>>;

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>, String>

Get the value stored at key.