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fix: load code by hash for prestate trace (#5115)

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Co-authored-by: Alexey Shekhirin <a.shekhirin@gmail.com>
This commit is contained in:
Matthias Seitz
2023-10-21 12:23:18 +02:00
committed by GitHub
parent c6d279c01a
commit 2045171d26
1 changed files with 25 additions and 21 deletions
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46
crates/revm/revm-inspectors/src/tracing/builder/geth.rs
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@ -11,7 +11,7 @@ use reth_rpc_types::trace::geth::{
};
use revm::{
db::DatabaseRef,
primitives::{ResultAndState, KECCAK_EMPTY},
primitives::{AccountInfo, ResultAndState, KECCAK_EMPTY},
};
use std::collections::{BTreeMap, HashMap, VecDeque};
@ -188,17 +188,35 @@ impl GethTraceBuilder {
where
DB: DatabaseRef,
{
// loads the code from the account or the database
// Geth always includes the contract code in the prestate. However,
// the code hash will be KECCAK_EMPTY if the account is an EOA. Therefore
// we need to filter it out.
let load_account_code = |db_acc: &AccountInfo| {
db_acc
.code
.as_ref()
.map(|code| code.original_bytes())
.or_else(|| {
if db_acc.code_hash == KECCAK_EMPTY {
None
} else {
db.code_by_hash_ref(db_acc.code_hash).ok().map(|code| code.original_bytes())
}
})
.map(Into::into)
};
let account_diffs = state.into_iter().map(|(addr, acc)| (*addr, acc));
let is_diff = prestate_config.is_diff_mode();
if !is_diff {
let mut prestate = PreStateMode::default();
for (addr, changed_acc) in account_diffs {
let db_acc = db.basic_ref(addr)?.unwrap_or_default();
let mut pre_state = AccountState::from_account_info(
db_acc.nonce,
db_acc.balance,
db_acc.code.as_ref().map(|code| code.original_bytes()),
);
let code = load_account_code(&db_acc);
let mut pre_state =
AccountState::from_account_info(db_acc.nonce, db_acc.balance, code);
// handle _touched_ storage slots
for (key, slot) in changed_acc.storage.iter() {
@ -213,22 +231,8 @@ impl GethTraceBuilder {
let mut account_change_kinds = HashMap::with_capacity(account_diffs.len());
for (addr, changed_acc) in account_diffs {
let db_acc = db.basic_ref(addr)?.unwrap_or_default();
let db_code = db_acc.code.as_ref();
let db_code_hash = db_acc.code_hash;
// Geth always includes the contract code in the prestate. However,
// the code hash will be KECCAK_EMPTY if the account is an EOA. Therefore
// we need to filter it out.
let pre_code = db_code
.map(|code| code.original_bytes())
.or_else(|| {
if db_code_hash == KECCAK_EMPTY {
None
} else {
db.code_by_hash_ref(db_code_hash).ok().map(|code| code.original_bytes())
}
})
.map(Into::into);
let pre_code = load_account_code(&db_acc);
let mut pre_state =
AccountState::from_account_info(db_acc.nonce, db_acc.balance, pre_code);