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OverlayStateProviderFactory

reth_storage_overlay

Struct OverlayStateProviderFactory 

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pub struct OverlayStateProviderFactory<F, N: NodePrimitives = EthPrimitives> { /* private fields */ }
Expand description

Factory for creating overlay state providers with optional reverts and overlays.

This factory allows building an OverlayStateProvider whose DB state has been reverted to a particular block, and/or with additional overlay information added on top.

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impl<F, N: NodePrimitives> OverlayStateProviderFactory<F, N>

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pub fn new(factory: F, overlay_builder: OverlayBuilder<N>) -> Self

Create a new overlay state provider factory.

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pub fn with_skip_overlay_for_reused_sparse_trie( self, anchor_hash: B256, known_storage_roots: B256Map<B256>, ) -> Self

Skips managed overlay construction when this factory is used by a task that reused a sparse trie covering both durable frontiers through the parent.

Trie and hashed cursors then read durable database state only. V2 account proofs use the supplied storage roots, which is valid solely for revealing nodes into that reused sparse trie. Methods that layer the overlay into their input, such as state and storage roots, account and storage proofs, V1 multiproofs, witnesses and [HashedPostStateProvider::hashed_post_state], return [ProviderError::UnsupportedProvider].

known_storage_roots must contain the revealed storage roots at this factory’s parent, keyed by hashed account address. Account proofs reuse them to avoid root calculation.

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impl<F: Clone, N: Clone + NodePrimitives> Clone for OverlayStateProviderFactory<F, N>

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fn clone(&self) -> Self

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more
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impl<F, N> DatabaseProviderROFactory for OverlayStateProviderFactory<F, N>
where N: NodePrimitives, F: DatabaseProviderFactory, F::Provider: StageCheckpointReader + PruneCheckpointReader + BlockNumReader + ChangeSetReader + StorageChangeSetReader + StorageSettingsCache,

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fn database_provider_ro( &self, ) -> ProviderResult<OverlayStateProvider<OwnedProvider<F::Provider>, N>>

Create a read-only OverlayStateProvider.

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type Provider = OverlayStateProvider<OwnedProvider<<F as DatabaseProviderFactory>::Provider>, N>

Provider type returned by this factory. Read more
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impl<F: Debug, N: Debug + NodePrimitives> Debug for OverlayStateProviderFactory<F, N>

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

Formats the value using the given formatter. Read more

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