Struct casper_execution_engine::storage::global_state::lmdb::LmdbGlobalState [−][src]
pub struct LmdbGlobalState { /* fields omitted */ }Expand description
Global state implemented against LMDB as a backing data store.
Implementations
pub fn empty(
environment: Arc<LmdbEnvironment>,
trie_store: Arc<LmdbTrieStore>
) -> Result<Self, Error>
pub fn empty(
environment: Arc<LmdbEnvironment>,
trie_store: Arc<LmdbTrieStore>
) -> Result<Self, Error>
Creates an empty state from an existing environment and trie_store.
Trait Implementations
fn missing_trie_keys(
&self,
correlation_id: CorrelationId,
trie_keys: Vec<Digest>
) -> Result<Vec<Digest>, Self::Error>
fn missing_trie_keys(
&self,
correlation_id: CorrelationId,
trie_keys: Vec<Digest>
) -> Result<Vec<Digest>, Self::Error>
Finds all of the keys of missing descendant Trie<K,V> values
type Reader = LmdbGlobalStateView
type Reader = LmdbGlobalStateView
Associated reader type for StateProvider.
Checkouts to the post state of a specific block.
fn commit(
&self,
correlation_id: CorrelationId,
prestate_hash: Digest,
effects: AdditiveMap<Key, Transform>
) -> Result<Digest, Self::Error>
fn commit(
&self,
correlation_id: CorrelationId,
prestate_hash: Digest,
effects: AdditiveMap<Key, Transform>
) -> Result<Digest, Self::Error>
Applies changes and returns a new post state hash. block_hash is used for computing a deterministic and unique keys. Read more
Returns an empty root hash.
fn get_trie(
&self,
_correlation_id: CorrelationId,
trie_key: &Digest
) -> Result<Option<Trie<Key, StoredValue>>, Self::Error>
fn get_trie(
&self,
_correlation_id: CorrelationId,
trie_key: &Digest
) -> Result<Option<Trie<Key, StoredValue>>, Self::Error>
Reads a Trie from the state if it is present
fn put_trie(
&self,
correlation_id: CorrelationId,
trie: &Trie<Key, StoredValue>
) -> Result<Digest, Self::Error>
fn put_trie(
&self,
correlation_id: CorrelationId,
trie: &Trie<Key, StoredValue>
) -> Result<Digest, Self::Error>
Insert a trie node into the trie
Auto Trait Implementations
impl RefUnwindSafe for LmdbGlobalState
impl Send for LmdbGlobalState
impl Sync for LmdbGlobalState
impl Unpin for LmdbGlobalState
impl UnwindSafe for LmdbGlobalState
Blanket Implementations
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