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80 lines
2.9 KiB
Rust
80 lines
2.9 KiB
Rust
use reth_primitives::{Address, Bytes, B256};
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use reth_storage_errors::provider::ProviderResult;
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use reth_trie::{updates::TrieUpdates, AccountProof, HashedPostState, HashedStorage};
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use revm::db::BundleState;
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use std::collections::HashMap;
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/// A type that can compute the state root of a given post state.
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#[auto_impl::auto_impl(&, Box, Arc)]
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pub trait StateRootProvider: Send + Sync {
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/// Returns the state root of the `BundleState` on top of the current state.
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///
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/// # Note
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///
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/// It is recommended to provide a different implementation from
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/// `state_root_with_updates` since it affects the memory usage during state root
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/// computation.
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fn state_root(&self, bundle_state: &BundleState) -> ProviderResult<B256> {
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self.hashed_state_root(HashedPostState::from_bundle_state(&bundle_state.state))
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}
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/// Returns the state root of the `HashedPostState` on top of the current state.
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fn hashed_state_root(&self, hashed_state: HashedPostState) -> ProviderResult<B256>;
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/// Returns the state root of the BundleState on top of the current state with trie
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/// updates to be committed to the database.
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fn state_root_with_updates(
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&self,
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bundle_state: &BundleState,
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) -> ProviderResult<(B256, TrieUpdates)> {
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self.hashed_state_root_with_updates(HashedPostState::from_bundle_state(&bundle_state.state))
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}
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/// Returns the state root of the `HashedPostState` on top of the current state with trie
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/// updates to be committed to the database.
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fn hashed_state_root_with_updates(
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&self,
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hashed_state: HashedPostState,
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) -> ProviderResult<(B256, TrieUpdates)>;
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/// Returns the storage root of the `HashedStorage` for target address on top of the current
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/// state.
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fn hashed_storage_root(
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&self,
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address: Address,
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hashed_storage: HashedStorage,
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) -> ProviderResult<B256>;
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}
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/// A type that can generate state proof on top of a given post state.
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#[auto_impl::auto_impl(&, Box, Arc)]
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pub trait StateProofProvider: Send + Sync {
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/// Get account and storage proofs of target keys in the `BundleState`
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/// on top of the current state.
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fn proof(
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&self,
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state: &BundleState,
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address: Address,
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slots: &[B256],
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) -> ProviderResult<AccountProof> {
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let hashed_state = HashedPostState::from_bundle_state(&state.state);
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self.hashed_proof(hashed_state, address, slots)
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}
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/// Get account and storage proofs of target keys in the `HashedPostState`
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/// on top of the current state.
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fn hashed_proof(
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&self,
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hashed_state: HashedPostState,
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address: Address,
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slots: &[B256],
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) -> ProviderResult<AccountProof>;
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/// Get trie witness for provided state.
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fn witness(
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&self,
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overlay: HashedPostState,
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target: HashedPostState,
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) -> ProviderResult<HashMap<B256, Bytes>>;
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}
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