StatusCache

solana_runtime::status_cache

Struct StatusCache 

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pub struct StatusCache<T: Serialize + Clone> { /* private fields */ }
👎Deprecated since 3.1.0: This crate has been marked for formal inclusion in the Agave Unstable API. From v4.0.0 onward, the agave-unstable-api crate feature must be specified to acknowledge use of an interface that may break without warning.

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impl<T: Serialize + Clone> StatusCache<T>

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pub fn clear_slot_entries(&mut self, slot: Slot)

👎Deprecated since 3.1.0: This crate has been marked for formal inclusion in the Agave Unstable API. From v4.0.0 onward, the agave-unstable-api crate feature must be specified to acknowledge use of an interface that may break without warning.

Clear all entries for a slot.

This is used when a slot is purged from the cache, see ReplayStage::purge_unconfirmed_duplicate_slot().

When this is called, it’s guaranteed that there are no threads inserting new entries for this slot. root_slot_deltas() also never accesses slots that are being cleared because roots are never purged.

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pub fn get_status<K: AsRef<[u8]>>( &self, key: K, transaction_blockhash: &Hash, ancestors: &Ancestors, ) -> Option<(Slot, T)>

👎Deprecated since 3.1.0: This crate has been marked for formal inclusion in the Agave Unstable API. From v4.0.0 onward, the agave-unstable-api crate feature must be specified to acknowledge use of an interface that may break without warning.

Check if the key is in any of the forks in the ancestors set and with a certain blockhash.

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pub fn get_status_any_blockhash<K: AsRef<[u8]>>( &self, key: K, ancestors: &Ancestors, ) -> Option<(Slot, T)>

👎Deprecated since 3.1.0: This crate has been marked for formal inclusion in the Agave Unstable API. From v4.0.0 onward, the agave-unstable-api crate feature must be specified to acknowledge use of an interface that may break without warning.

Search for a key with any blockhash.

Prefer get_status for performance reasons, it doesn’t need to search all blockhashes.

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pub fn add_root(&mut self, fork: Slot)

👎Deprecated since 3.1.0: This crate has been marked for formal inclusion in the Agave Unstable API. From v4.0.0 onward, the agave-unstable-api crate feature must be specified to acknowledge use of an interface that may break without warning.

Add a known root fork.

Roots are always valid ancestors. After MAX_CACHE_ENTRIES, roots are removed, and any old keys are cleared.

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pub fn roots(&self) -> &HashSet<Slot>

👎Deprecated since 3.1.0: This crate has been marked for formal inclusion in the Agave Unstable API. From v4.0.0 onward, the agave-unstable-api crate feature must be specified to acknowledge use of an interface that may break without warning.
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pub fn insert<K: AsRef<[u8]>>( &mut self, transaction_blockhash: &Hash, key: K, slot: Slot, res: T, )

👎Deprecated since 3.1.0: This crate has been marked for formal inclusion in the Agave Unstable API. From v4.0.0 onward, the agave-unstable-api crate feature must be specified to acknowledge use of an interface that may break without warning.

Insert a new key using the given blockhash at the given slot.

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pub fn purge_roots(&mut self)

👎Deprecated since 3.1.0: This crate has been marked for formal inclusion in the Agave Unstable API. From v4.0.0 onward, the agave-unstable-api crate feature must be specified to acknowledge use of an interface that may break without warning.
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pub fn root_slot_deltas(&self) -> Vec<SlotDelta<T>> ⓘ

👎Deprecated since 3.1.0: This crate has been marked for formal inclusion in the Agave Unstable API. From v4.0.0 onward, the agave-unstable-api crate feature must be specified to acknowledge use of an interface that may break without warning.

Get the statuses for all the root slots.

This is never called concurrently with add_root(), and for a slot to be a root there must be no new entries for that slot, so there are no races.

See ReplayStage::handle_new_root() => BankForks::set_root() => BankForks::do_set_root_return_metrics() => root_slot_deltas()

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pub fn append(&mut self, slot_deltas: &[SlotDelta<T>])

👎Deprecated since 3.1.0: This crate has been marked for formal inclusion in the Agave Unstable API. From v4.0.0 onward, the agave-unstable-api crate feature must be specified to acknowledge use of an interface that may break without warning.

Populate the cache with the slot deltas from a snapshot.

Really badly named method. See load_bank_forks() => … => rebuild_bank_from_snapshot() => [load slot deltas from snapshot] => append()

Trait Implementations§

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impl<T: Clone + Serialize + Clone> Clone for StatusCache<T>

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fn clone(&self) -> StatusCache<T>

Returns a duplicate of the value. Read more
1.0.0 · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl<T: Debug + Serialize + Clone> Debug for StatusCache<T>

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl<T: Serialize + Clone> Default for StatusCache<T>

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fn default() -> Self

Returns the “default value” for a type. Read more

Auto Trait Implementations§

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impl<T> Freeze for StatusCache<T>

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impl<T> RefUnwindSafe for StatusCache<T>
where T: RefUnwindSafe,

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impl<T> Send for StatusCache<T>
where T: Send,

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impl<T> Sync for StatusCache<T>
where T: Sync + Send,

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impl<T> Unpin for StatusCache<T>
where T: Unpin,

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impl<T> UnwindSafe for StatusCache<T>
where T: UnwindSafe,

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