Struct sc_client_db::bench::BenchmarkingState
source · pub struct BenchmarkingState<Hasher: Hash> { /* private fields */ }
Expand description
State that manages the backend database reference. Allows runtime to control the database.
Implementations§
source§impl<Hasher: Hash> BenchmarkingState<Hasher>
impl<Hasher: Hash> BenchmarkingState<Hasher>
Trait Implementations§
source§impl<Hasher: Hash> Backend<Hasher> for BenchmarkingState<Hasher>
impl<Hasher: Hash> Backend<Hasher> for BenchmarkingState<Hasher>
source§fn read_write_count(&self) -> (u32, u32, u32, u32)
fn read_write_count(&self) -> (u32, u32, u32, u32)
Get the key tracking information for the state db.
reads
- Total number of DB reads.repeat_reads
- Total number of in-memory reads.writes
- Total number of DB writes.repeat_writes
- Total number of in-memory writes.
source§fn reset_read_write_count(&self)
fn reset_read_write_count(&self)
Reset the key tracking information for the state db.
§type Error = <TrieBackend<Arc<dyn Storage<Hasher>>, Hasher> as Backend<Hasher>>::Error
type Error = <TrieBackend<Arc<dyn Storage<Hasher>>, Hasher> as Backend<Hasher>>::Error
An error type when fetching data is not possible.
§type TrieBackendStorage = <TrieBackend<Arc<dyn Storage<Hasher>>, Hasher> as Backend<Hasher>>::TrieBackendStorage
type TrieBackendStorage = <TrieBackend<Arc<dyn Storage<Hasher>>, Hasher> as Backend<Hasher>>::TrieBackendStorage
Type of trie backend storage.
source§fn storage(&self, key: &[u8]) -> Result<Option<Vec<u8>>, Self::Error>
fn storage(&self, key: &[u8]) -> Result<Option<Vec<u8>>, Self::Error>
Get keyed storage or None if there is nothing associated.
source§fn storage_hash(
&self,
key: &[u8],
) -> Result<Option<Hasher::Output>, Self::Error>
fn storage_hash( &self, key: &[u8], ) -> Result<Option<Hasher::Output>, Self::Error>
Get keyed storage value hash or None if there is nothing associated.
source§fn child_storage(
&self,
child_info: &ChildInfo,
key: &[u8],
) -> Result<Option<Vec<u8>>, Self::Error>
fn child_storage( &self, child_info: &ChildInfo, key: &[u8], ) -> Result<Option<Vec<u8>>, Self::Error>
Get child keyed child storage or None if there is nothing associated.
source§fn child_storage_hash(
&self,
child_info: &ChildInfo,
key: &[u8],
) -> Result<Option<Hasher::Output>, Self::Error>
fn child_storage_hash( &self, child_info: &ChildInfo, key: &[u8], ) -> Result<Option<Hasher::Output>, Self::Error>
Get child keyed storage value hash or None if there is nothing associated.
source§fn closest_merkle_value(
&self,
key: &[u8],
) -> Result<Option<MerkleValue<Hasher::Output>>, Self::Error>
fn closest_merkle_value( &self, key: &[u8], ) -> Result<Option<MerkleValue<Hasher::Output>>, Self::Error>
Get the merkle value or None if there is nothing associated.
source§fn child_closest_merkle_value(
&self,
child_info: &ChildInfo,
key: &[u8],
) -> Result<Option<MerkleValue<Hasher::Output>>, Self::Error>
fn child_closest_merkle_value( &self, child_info: &ChildInfo, key: &[u8], ) -> Result<Option<MerkleValue<Hasher::Output>>, Self::Error>
Get the child merkle value or None if there is nothing associated.
source§fn exists_storage(&self, key: &[u8]) -> Result<bool, Self::Error>
fn exists_storage(&self, key: &[u8]) -> Result<bool, Self::Error>
true if a key exists in storage.
source§fn exists_child_storage(
&self,
child_info: &ChildInfo,
key: &[u8],
) -> Result<bool, Self::Error>
fn exists_child_storage( &self, child_info: &ChildInfo, key: &[u8], ) -> Result<bool, Self::Error>
true if a key exists in child storage.
source§fn next_storage_key(&self, key: &[u8]) -> Result<Option<Vec<u8>>, Self::Error>
fn next_storage_key(&self, key: &[u8]) -> Result<Option<Vec<u8>>, Self::Error>
Return the next key in storage in lexicographic order or
None
if there is no value.source§fn next_child_storage_key(
&self,
child_info: &ChildInfo,
key: &[u8],
) -> Result<Option<Vec<u8>>, Self::Error>
fn next_child_storage_key( &self, child_info: &ChildInfo, key: &[u8], ) -> Result<Option<Vec<u8>>, Self::Error>
Return the next key in child storage in lexicographic order or
None
if there is no value.source§fn storage_root<'a>(
&self,
delta: impl Iterator<Item = (&'a [u8], Option<&'a [u8]>)>,
state_version: StateVersion,
) -> (Hasher::Output, BackendTransaction<Hasher>)
fn storage_root<'a>( &self, delta: impl Iterator<Item = (&'a [u8], Option<&'a [u8]>)>, state_version: StateVersion, ) -> (Hasher::Output, BackendTransaction<Hasher>)
Calculate the storage root, with given delta over what is already stored in
the backend, and produce a “transaction” that can be used to commit.
Does not include child storage updates.
source§fn child_storage_root<'a>(
&self,
child_info: &ChildInfo,
delta: impl Iterator<Item = (&'a [u8], Option<&'a [u8]>)>,
state_version: StateVersion,
) -> (Hasher::Output, bool, BackendTransaction<Hasher>)
fn child_storage_root<'a>( &self, child_info: &ChildInfo, delta: impl Iterator<Item = (&'a [u8], Option<&'a [u8]>)>, state_version: StateVersion, ) -> (Hasher::Output, bool, BackendTransaction<Hasher>)
Calculate the child storage root, with given delta over what is already stored in
the backend, and produce a “transaction” that can be used to commit. The second argument
is true if child storage root equals default storage root.
source§fn raw_iter(&self, args: IterArgs<'_>) -> Result<Self::RawIter, Self::Error>
fn raw_iter(&self, args: IterArgs<'_>) -> Result<Self::RawIter, Self::Error>
Returns a lifetimeless raw storage iterator.
source§fn commit(
&self,
storage_root: <Hasher as DbHasher>::Out,
transaction: BackendTransaction<Hasher>,
main_storage_changes: StorageCollection,
child_storage_changes: ChildStorageCollection,
) -> Result<(), Self::Error>
fn commit( &self, storage_root: <Hasher as DbHasher>::Out, transaction: BackendTransaction<Hasher>, main_storage_changes: StorageCollection, child_storage_changes: ChildStorageCollection, ) -> Result<(), Self::Error>
Commit given transaction to storage.
source§fn get_whitelist(&self) -> Vec<TrackedStorageKey>
fn get_whitelist(&self) -> Vec<TrackedStorageKey>
Get the whitelist for tracking db reads/writes
source§fn set_whitelist(&self, new: Vec<TrackedStorageKey>)
fn set_whitelist(&self, new: Vec<TrackedStorageKey>)
Update the whitelist for tracking db reads/writes
source§fn get_read_and_written_keys(&self) -> Vec<(Vec<u8>, u32, u32, bool)>
fn get_read_and_written_keys(&self) -> Vec<(Vec<u8>, u32, u32, bool)>
Extend storage info for benchmarking db
source§fn register_overlay_stats(&self, stats: &StateMachineStats)
fn register_overlay_stats(&self, stats: &StateMachineStats)
Register stats from overlay of state machine. Read more
source§fn usage_info(&self) -> UsageInfo
fn usage_info(&self) -> UsageInfo
Query backend usage statistics (i/o, memory) Read more
source§fn proof_size(&self) -> Option<u32>
fn proof_size(&self) -> Option<u32>
Estimate proof size
Auto Trait Implementations§
impl<Hasher> !Freeze for BenchmarkingState<Hasher>
impl<Hasher> !RefUnwindSafe for BenchmarkingState<Hasher>
impl<Hasher> Send for BenchmarkingState<Hasher>
impl<Hasher> !Sync for BenchmarkingState<Hasher>
impl<Hasher> Unpin for BenchmarkingState<Hasher>
impl<Hasher> !UnwindSafe for BenchmarkingState<Hasher>
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