Struct casper_execution_engine::storage::global_state::lmdb::LmdbGlobalState
source · [−]pub struct LmdbGlobalState { /* private fields */ }
Expand description
Global state implemented against LMDB as a backing data store.
Implementations
sourceimpl LmdbGlobalState
impl LmdbGlobalState
sourcepub 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.
sourcepub fn new(
environment: Arc<LmdbEnvironment>,
trie_store: Arc<LmdbTrieStore>,
empty_root_hash: Digest
) -> Self
pub fn new(
environment: Arc<LmdbEnvironment>,
trie_store: Arc<LmdbTrieStore>,
empty_root_hash: Digest
) -> Self
Creates a state from an existing environment, store, and root_hash. Intended to be used for testing.
sourcepub fn create_scratch(&self) -> ScratchGlobalState
pub fn create_scratch(&self) -> ScratchGlobalState
Creates an in-memory cache for changes written.
sourcepub fn put_stored_values(
&self,
correlation_id: CorrelationId,
prestate_hash: Digest,
stored_values: HashMap<Key, StoredValue>
) -> Result<Digest, Error>
pub fn put_stored_values(
&self,
correlation_id: CorrelationId,
prestate_hash: Digest,
stored_values: HashMap<Key, StoredValue>
) -> Result<Digest, Error>
Write stored values to LMDB.
sourcepub fn environment(&self) -> &LmdbEnvironment
pub fn environment(&self) -> &LmdbEnvironment
Get a reference to the lmdb global state’s environment.
sourcepub fn trie_store(&self) -> &LmdbTrieStore
pub fn trie_store(&self) -> &LmdbTrieStore
Get a reference to the lmdb global state’s trie store.
Trait Implementations
sourceimpl Clone for LmdbGlobalState
impl Clone for LmdbGlobalState
sourcefn clone(&self) -> LmdbGlobalState
fn clone(&self) -> LmdbGlobalState
Returns a copy of the value. Read more
1.0.0 · sourcefn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from source
. Read more
sourceimpl CommitProvider for LmdbGlobalState
impl CommitProvider for LmdbGlobalState
sourceimpl StateProvider for LmdbGlobalState
impl StateProvider for LmdbGlobalState
sourcefn 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
.
sourcefn checkout(
&self,
state_hash: Digest
) -> Result<Option<Self::Reader>, Self::Error>
fn checkout(
&self,
state_hash: Digest
) -> Result<Option<Self::Reader>, Self::Error>
Checkouts to the post state of a specific block.
sourcefn empty_root(&self) -> Digest
fn empty_root(&self) -> Digest
Returns an empty root hash.
sourcefn 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
sourcefn 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
sourceimpl<T> BorrowMut<T> for T where
T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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