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fix: ignore failures in load_access_list #37

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21 changes: 21 additions & 0 deletions crates/interpreter/src/host.rs
Original file line number Diff line number Diff line change
Expand Up @@ -12,6 +12,27 @@ pub trait Host {
/// Returns a mutable reference to the environment.
fn env_mut(&mut self) -> &mut Env;

#[cfg(feature = "scroll")]
/// Check an address is in the access list.
fn is_address_in_access_list(&self, address: Address) -> bool {
self.env()
.tx
.access_list
.iter()
.any(|item| item.address == address)
}

#[cfg(feature = "scroll")]
/// Check a storage key is in the access list.
fn is_storage_key_in_access_list(&self, address: Address, index: U256) -> bool {
self.env()
.tx
.access_list
.iter()
.filter(|item| item.address == address)
.any(|item| item.storage_keys.contains(&B256::from(index)))
}

/// Load an account code.
fn load_account_delegated(&mut self, address: Address) -> Option<AccountLoad>;

Expand Down
16 changes: 16 additions & 0 deletions crates/interpreter/src/instructions/contract.rs
Original file line number Diff line number Diff line change
Expand Up @@ -416,6 +416,10 @@ pub fn call<H: Host + ?Sized, SPEC: Spec>(interpreter: &mut Interpreter, host: &
interpreter.instruction_result = InstructionResult::FatalExternalError;
return;
};
#[cfg(feature = "scroll")]
if account_load.is_cold && host.is_address_in_access_list(to) {
panic!("access list account should be either loaded or never accessed");
}
let Some(mut gas_limit) =
calc_call_gas::<SPEC>(interpreter, account_load, has_transfer, local_gas_limit)
else {
Expand Down Expand Up @@ -464,6 +468,10 @@ pub fn call_code<H: Host + ?Sized, SPEC: Spec>(interpreter: &mut Interpreter, ho
};
// set is_empty to false as we are not creating this account.
load.is_empty = false;
#[cfg(feature = "scroll")]
if load.is_cold && host.is_address_in_access_list(to) {
panic!("access list account should be either loaded or never accessed");
}
let Some(mut gas_limit) =
calc_call_gas::<SPEC>(interpreter, load, !value.is_zero(), local_gas_limit)
else {
Expand Down Expand Up @@ -512,6 +520,10 @@ pub fn delegate_call<H: Host + ?Sized, SPEC: Spec>(interpreter: &mut Interpreter
};
// set is_empty to false as we are not creating this account.
load.is_empty = false;
#[cfg(feature = "scroll")]
if load.is_cold && host.is_address_in_access_list(to) {
panic!("access list account should be either loaded or never accessed");
}
let Some(gas_limit) = calc_call_gas::<SPEC>(interpreter, load, false, local_gas_limit) else {
return;
};
Expand Down Expand Up @@ -553,6 +565,10 @@ pub fn static_call<H: Host + ?Sized, SPEC: Spec>(interpreter: &mut Interpreter,
};
// set is_empty to false as we are not creating this account.
load.is_empty = false;
#[cfg(feature = "scroll")]
if load.is_cold && host.is_address_in_access_list(to) {
panic!("access list account should be either loaded or never accessed");
}
let Some(gas_limit) = calc_call_gas::<SPEC>(interpreter, load, false, local_gas_limit) else {
return;
};
Expand Down
29 changes: 29 additions & 0 deletions crates/interpreter/src/instructions/host.rs
Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,10 @@ pub fn balance<H: Host + ?Sized, SPEC: Spec>(interpreter: &mut Interpreter, host
interpreter.instruction_result = InstructionResult::FatalExternalError;
return;
};
#[cfg(feature = "scroll")]
if balance.is_cold && host.is_address_in_access_list(interpreter.contract.target_address) {
panic!("access list account should be either loaded or never accessed");
}
gas!(
interpreter,
if SPEC::enabled(BERLIN) {
Expand Down Expand Up @@ -66,6 +70,10 @@ pub fn extcodesize<H: Host + ?Sized, SPEC: Spec>(interpreter: &mut Interpreter,
interpreter.instruction_result = InstructionResult::FatalExternalError;
return;
};
#[cfg(feature = "scroll")]
if is_cold && host.is_address_in_access_list(interpreter.contract.target_address) {
panic!("access list account should be either loaded or never accessed");
}
gas!(interpreter, warm_cold_cost(is_cold));

push!(interpreter, U256::from(code_size));
Expand All @@ -79,6 +87,10 @@ pub fn extcodehash<H: Host + ?Sized, SPEC: Spec>(interpreter: &mut Interpreter,
interpreter.instruction_result = InstructionResult::FatalExternalError;
return;
};
#[cfg(feature = "scroll")]
if code_hash.is_cold && host.is_address_in_access_list(interpreter.contract.target_address) {
panic!("access list account should be either loaded or never accessed");
}
let (code_hash, load) = code_hash.into_components();
if SPEC::enabled(BERLIN) {
gas!(interpreter, warm_cold_cost_with_delegation(load))
Expand All @@ -98,6 +110,10 @@ pub fn extcodecopy<H: Host + ?Sized, SPEC: Spec>(interpreter: &mut Interpreter,
interpreter.instruction_result = InstructionResult::FatalExternalError;
return;
};
#[cfg(feature = "scroll")]
if code.is_cold && host.is_address_in_access_list(interpreter.contract.target_address) {
panic!("access list account should be either loaded or never accessed");
}

let len = as_usize_or_fail!(interpreter, len_u256);
let (code, load) = code.into_components();
Expand Down Expand Up @@ -168,6 +184,12 @@ pub fn sload<H: Host + ?Sized, SPEC: Spec>(interpreter: &mut Interpreter, host:
interpreter.instruction_result = InstructionResult::FatalExternalError;
return;
};
#[cfg(feature = "scroll")]
if value.is_cold
&& host.is_storage_key_in_access_list(interpreter.contract.target_address, *index)
{
panic!("access list account should be either loaded or never accessed");
}
gas!(interpreter, gas::sload_cost(SPEC::SPEC_ID, value.is_cold));
*index = value.data;
}
Expand All @@ -180,6 +202,13 @@ pub fn sstore<H: Host + ?Sized, SPEC: Spec>(interpreter: &mut Interpreter, host:
interpreter.instruction_result = InstructionResult::FatalExternalError;
return;
};
#[cfg(feature = "scroll")]
if state_load.is_cold
&& host.is_storage_key_in_access_list(interpreter.contract.target_address, index)
{
interpreter.instruction_result = InstructionResult::NotActivated;
return;
}
gas_or_fail!(interpreter, {
let remaining_gas = interpreter.gas.remaining();
gas::sstore_cost(
Expand Down
26 changes: 24 additions & 2 deletions crates/revm/src/context/inner_evm_context.rs
Original file line number Diff line number Diff line change
Expand Up @@ -107,11 +107,33 @@ impl<DB: Database> InnerEvmContext<DB> {
storage_keys,
} in self.env.tx.access_list.iter()
{
self.journaled_state.initial_account_load(
let result = self.journaled_state.initial_account_load(
*address,
storage_keys.iter().map(|i| U256::from_be_bytes(i.0)),
&mut self.db,
)?;
);
cfg_if::cfg_if! {
if #[cfg(feature = "scroll")] {
// In scroll, we don't include the access list accounts/storages in the partial
// merkle trie proofs if it was not actually accessed in the transaction.
// The load will fail in that case, we just ignore the error.
// This is not a problem as the accounts/storages was never accessed.
match result {
// the concrete error in scroll is
// https://github.com/scroll-tech/stateless-block-verifier/blob/851f5141ded76ddba7594814b9761df1dc469a12/crates/core/src/error.rs#L4-L13
// We cannot check it since `Database::Error` is an opaque type
// without any trait bounds (like `Debug` or `Display`).
// only thing we can do is to check the type name.
Err(EVMError::Database(e))
if core::any::type_name_of_val(&e) == "sbv_core::error::DatabaseError" => {}
_ => {
result?;
}
}
} else {
result?;
}
}
}
Ok(())
}
Expand Down
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