reth_chain_state

Struct MemoryOverlayStateProvider

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pub struct MemoryOverlayStateProvider { /* private fields */ }
Expand description

A state provider that stores references to in-memory blocks along with their state as well as the historical state provider for fallback lookups.

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impl MemoryOverlayStateProvider

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pub fn new( historical: Box<dyn StateProvider>, in_memory: Vec<ExecutedBlock>, ) -> Self

Create new memory overlay state provider.

§Arguments
  • in_memory - the collection of executed ancestor blocks in reverse.
  • historical - a historical state provider for the latest ancestor block stored in the database.
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pub fn boxed(self) -> Box<dyn StateProvider>

Turn this state provider into a state provider

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impl AccountReader for MemoryOverlayStateProvider

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fn basic_account(&self, address: Address) -> ProviderResult<Option<Account>>

Get basic account information. Read more
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impl BlockHashReader for MemoryOverlayStateProvider

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fn block_hash(&self, number: BlockNumber) -> ProviderResult<Option<B256>>

Get the hash of the block with the given number. Returns None if no block with this number exists.
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fn canonical_hashes_range( &self, start: BlockNumber, end: BlockNumber, ) -> ProviderResult<Vec<B256>>

Get headers in range of block hashes or numbers Read more
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fn convert_block_hash( &self, hash_or_number: HashOrNumber, ) -> Result<Option<FixedBytes<32>>, ProviderError>

Get the hash of the block with the given number. Returns None if no block with this number exists.
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impl StateProofProvider for MemoryOverlayStateProvider

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fn proof( &self, input: TrieInput, address: Address, slots: &[B256], ) -> ProviderResult<AccountProof>

Get account and storage proofs of target keys in the HashedPostState on top of the current state.
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fn multiproof( &self, input: TrieInput, targets: HashMap<B256, HashSet<B256>>, ) -> ProviderResult<MultiProof>

Generate [MultiProof] for target hashed account and corresponding hashed storage slot keys.
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fn witness( &self, input: TrieInput, target: HashedPostState, ) -> ProviderResult<HashMap<B256, Bytes>>

Get trie witness for provided state.
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impl StateProvider for MemoryOverlayStateProvider

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fn storage( &self, address: Address, storage_key: StorageKey, ) -> ProviderResult<Option<StorageValue>>

Get storage of given account.
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fn bytecode_by_hash(&self, code_hash: B256) -> ProviderResult<Option<Bytecode>>

Get account code by its hash
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fn account_code(&self, addr: Address) -> Result<Option<Bytecode>, ProviderError>

Get account code by its address. Read more
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fn account_balance( &self, addr: Address, ) -> Result<Option<Uint<256, 4>>, ProviderError>

Get account balance by its address. Read more
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fn account_nonce(&self, addr: Address) -> Result<Option<u64>, ProviderError>

Get account nonce by its address. Read more
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impl StateRootProvider for MemoryOverlayStateProvider

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fn state_root(&self, state: HashedPostState) -> ProviderResult<B256>

Returns the state root of the BundleState on top of the current state. Read more
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fn state_root_from_nodes(&self, input: TrieInput) -> ProviderResult<B256>

Returns the state root of the HashedPostState on top of the current state but re-uses the intermediate nodes to speed up the computation. It’s up to the caller to construct the prefix sets and inform the provider of the trie paths that have changes.
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fn state_root_with_updates( &self, state: HashedPostState, ) -> ProviderResult<(B256, TrieUpdates)>

Returns the state root of the HashedPostState on top of the current state with trie updates to be committed to the database.
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fn state_root_from_nodes_with_updates( &self, input: TrieInput, ) -> ProviderResult<(B256, TrieUpdates)>

Returns state root and trie updates. See [StateRootProvider::state_root_from_nodes] for more info.
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impl StorageRootProvider for MemoryOverlayStateProvider

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fn storage_root( &self, address: Address, storage: HashedStorage, ) -> ProviderResult<B256>

Returns the storage root of the HashedStorage for target address on top of the current state.
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fn storage_proof( &self, address: Address, slot: B256, storage: HashedStorage, ) -> ProviderResult<StorageProof>

Returns the storage proof of the HashedStorage for target slot on top of the current state.

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Size: 288 bytes