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feat(evm-optimism): add OpBlockAccessListExecutor (#10895)
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Rjected committed Sep 13, 2024
1 parent 974926f commit bb18942
Showing 1 changed file with 102 additions and 15 deletions.
117 changes: 102 additions & 15 deletions crates/optimism/evm/src/execute.rs
Original file line number Diff line number Diff line change
Expand Up @@ -18,17 +18,22 @@ use reth_optimism_consensus::validate_block_post_execution;
use reth_primitives::{BlockWithSenders, Header, Receipt, Receipts, TxType};
use reth_prune_types::PruneModes;
use reth_revm::{
batch::BlockBatchRecord, db::states::bundle_state::BundleRetention,
state_change::post_block_balance_increments, Evm, State,
batch::BlockBatchRecord,
db::{
states::{bundle_state::BundleRetention, StorageSlot},
BundleAccount,
},
state_change::post_block_balance_increments,
Evm, State,
};
use revm_primitives::{
db::{Database, DatabaseCommit},
BlockEnv, CfgEnvWithHandlerCfg, EVMError, EnvWithHandlerCfg, ResultAndState,
};
use std::sync::Arc;
use std::{collections::hash_map::Entry, fmt::Display, sync::Arc};
use tracing::trace;

/// Provides executors to execute regular ethereum blocks
/// Provides executors to execute regular optimism blocks
#[derive(Debug, Clone)]
pub struct OpExecutorProvider<EvmConfig = OptimismEvmConfig> {
chain_spec: Arc<ChainSpec>,
Expand Down Expand Up @@ -58,7 +63,7 @@ where
{
fn op_executor<DB>(&self, db: DB) -> OpBlockExecutor<EvmConfig, DB>
where
DB: Database<Error: Into<ProviderError> + std::fmt::Display>,
DB: Database<Error: Into<ProviderError> + Display>,
{
OpBlockExecutor::new(
self.chain_spec.clone(),
Expand All @@ -72,21 +77,21 @@ impl<EvmConfig> BlockExecutorProvider for OpExecutorProvider<EvmConfig>
where
EvmConfig: ConfigureEvm,
{
type Executor<DB: Database<Error: Into<ProviderError> + std::fmt::Display>> =
type Executor<DB: Database<Error: Into<ProviderError> + Display>> =
OpBlockExecutor<EvmConfig, DB>;

type BatchExecutor<DB: Database<Error: Into<ProviderError> + std::fmt::Display>> =
type BatchExecutor<DB: Database<Error: Into<ProviderError> + Display>> =
OpBatchExecutor<EvmConfig, DB>;
fn executor<DB>(&self, db: DB) -> Self::Executor<DB>
where
DB: Database<Error: Into<ProviderError> + std::fmt::Display>,
DB: Database<Error: Into<ProviderError> + Display>,
{
self.op_executor(db)
}

fn batch_executor<DB>(&self, db: DB) -> Self::BatchExecutor<DB>
where
DB: Database<Error: Into<ProviderError> + std::fmt::Display>,
DB: Database<Error: Into<ProviderError> + Display>,
{
let executor = self.op_executor(db);
OpBatchExecutor { executor, batch_record: BlockBatchRecord::default() }
Expand Down Expand Up @@ -119,7 +124,7 @@ where
mut evm: Evm<'_, Ext, &mut State<DB>>,
) -> Result<(Vec<Receipt>, u64), BlockExecutionError>
where
DB: Database<Error: Into<ProviderError> + std::fmt::Display>,
DB: Database<Error: Into<ProviderError> + Display>,
{
// apply pre execution changes
apply_beacon_root_contract_call(
Expand Down Expand Up @@ -230,7 +235,7 @@ where
}
}

/// A basic Ethereum block executor.
/// A basic Optimism block executor.
///
/// Expected usage:
/// - Create a new instance of the executor.
Expand All @@ -244,7 +249,7 @@ pub struct OpBlockExecutor<EvmConfig, DB> {
}

impl<EvmConfig, DB> OpBlockExecutor<EvmConfig, DB> {
/// Creates a new Ethereum block executor.
/// Creates a new Optimism block executor.
pub const fn new(chain_spec: Arc<ChainSpec>, evm_config: EvmConfig, state: State<DB>) -> Self {
Self { executor: OpEvmExecutor { chain_spec, evm_config }, state }
}
Expand All @@ -264,7 +269,7 @@ impl<EvmConfig, DB> OpBlockExecutor<EvmConfig, DB> {
impl<EvmConfig, DB> OpBlockExecutor<EvmConfig, DB>
where
EvmConfig: ConfigureEvm,
DB: Database<Error: Into<ProviderError> + std::fmt::Display>,
DB: Database<Error: Into<ProviderError> + Display>,
{
/// Configures a new evm configuration and block environment for the given block.
///
Expand Down Expand Up @@ -337,7 +342,7 @@ where
impl<EvmConfig, DB> Executor<DB> for OpBlockExecutor<EvmConfig, DB>
where
EvmConfig: ConfigureEvm,
DB: Database<Error: Into<ProviderError> + std::fmt::Display>,
DB: Database<Error: Into<ProviderError> + Display>,
{
type Input<'a> = BlockExecutionInput<'a, BlockWithSenders>;
type Output = BlockExecutionOutput<Receipt>;
Expand Down Expand Up @@ -366,6 +371,88 @@ where
}
}

/// An executor that retains all cache state from execution in its bundle state.
#[derive(Debug)]
pub struct OpBlockAccessListExecutor<EvmConfig, DB> {
/// The executor used to execute single blocks
///
/// All state changes are committed to the [State].
executor: OpBlockExecutor<EvmConfig, DB>,
}

impl<EvmConfig, DB> Executor<DB> for OpBlockAccessListExecutor<EvmConfig, DB>
where
EvmConfig: ConfigureEvm,
DB: Database<Error: Into<ProviderError> + Display>,
{
type Input<'a> = BlockExecutionInput<'a, BlockWithSenders>;
type Output = BlockExecutionOutput<Receipt>;
type Error = BlockExecutionError;

/// Executes the block and commits the changes to the internal state.
///
/// Returns the receipts of the transactions in the block.
///
/// This also returns the accounts from the internal state cache in the bundle state, allowing
/// access to not only the state that changed during execution, but also the state accessed
/// during execution.
///
/// Returns an error if the block could not be executed or failed verification.
fn execute(mut self, input: Self::Input<'_>) -> Result<Self::Output, Self::Error> {
let BlockExecutionInput { block, total_difficulty } = input;
let (receipts, gas_used) =
self.executor.execute_without_verification(block, total_difficulty)?;

// NOTE: we need to merge keep the reverts for the bundle retention
self.executor.state.merge_transitions(BundleRetention::Reverts);

// now, ensure each account from the state is included in the bundle state
let mut bundle_state = self.executor.state.take_bundle();
for (address, account) in self.executor.state.cache.accounts {
// convert all slots, insert all slots
let account_info = account.account_info();
let account_storage = account.account.map(|a| a.storage).unwrap_or_default();

match bundle_state.state.entry(address) {
Entry::Vacant(entry) => {
// we have to add the entire account here
let extracted_storage = account_storage
.into_iter()
.map(|(k, v)| {
(k, StorageSlot { previous_or_original_value: v, present_value: v })
})
.collect();

let bundle_account = BundleAccount {
info: account_info.clone(),
original_info: account_info,
storage: extracted_storage,
status: account.status,
};
entry.insert(bundle_account);
}
Entry::Occupied(mut entry) => {
// only add slots that are unchanged
let current_account = entry.get_mut();

// iterate over all storage slots, checking keys that are not in the bundle
// state
for (k, v) in account_storage {
if let Entry::Vacant(storage_entry) = current_account.storage.entry(k) {
storage_entry.insert(StorageSlot {
previous_or_original_value: v,
present_value: v,
});
}
}
}
}
}

Ok(BlockExecutionOutput { state: bundle_state, receipts, requests: vec![], gas_used })
}
}

/// An executor for a batch of blocks.
///
/// State changes are tracked until the executor is finalized.
Expand All @@ -392,7 +479,7 @@ impl<EvmConfig, DB> OpBatchExecutor<EvmConfig, DB> {
impl<EvmConfig, DB> BatchExecutor<DB> for OpBatchExecutor<EvmConfig, DB>
where
EvmConfig: ConfigureEvm,
DB: Database<Error: Into<ProviderError> + std::fmt::Display>,
DB: Database<Error: Into<ProviderError> + Display>,
{
type Input<'a> = BlockExecutionInput<'a, BlockWithSenders>;
type Output = ExecutionOutcome;
Expand Down

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