pub fn new() -> Backend<Block, H> {
		Backend {
			states: RwLock::new(HashMap::new()),
			changes_trie_storage: ChangesTrieStorage(InMemoryChangesTrieStorage::new()),
			blockchain: Blockchain::new(),
		}
	}
/// Create a new instance of in-mem backend.
Create a new instance of in-mem backend.
Create a new instance of in - mem backend .
pub fn new() -> Backend<Block, H> {
		Backend {
			states: RwLock::new(HashMap::new()),
			changes_trie_storage: ChangesTrieStorage(InMemoryChangesTrieStorage::new()),
			blockchain: Blockchain::new(),
		}
	}
pub fn new ( ) -> Backend < Block , H > { Backend { states : RwLock :: new ( HashMap :: new ( ) ) , changes_trie_storage : ChangesTrieStorage ( InMemoryChangesTrieStorage :: new ( ) ) , blockchain : Blockchain :: new ( ) , } }
Create a new instance of in-mem backend.
Create a new instance of in - mem backend .