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chore: relax some op pool validator internals (#13358)

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This commit is contained in:
Matthias Seitz
2024-12-12 19:05:18 +01:00
committed by GitHub
parent 55fa59952c
commit c816a3b758
3 changed files with 45 additions and 22 deletions
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25
crates/optimism/evm/src/l1.rs
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@ -33,14 +33,21 @@ const L1_BLOCK_ECOTONE_SELECTOR: [u8; 4] = hex!("440a5e20");
///
/// Returns an error if the L1 info transaction is not found, if the block is empty.
pub fn extract_l1_info<B: BlockBody>(body: &B) -> Result<L1BlockInfo, OpBlockExecutionError> {
let l1_info_tx_data = body
.transactions()
.first()
.ok_or_else(|| OpBlockExecutionError::L1BlockInfoError {
let l1_info_tx =
body.transactions().first().ok_or_else(|| OpBlockExecutionError::L1BlockInfoError {
message: "could not find l1 block info tx in the L2 block".to_string(),
})
.map(|tx| tx.input())?;
})?;
extract_l1_info_from_tx(l1_info_tx)
}
/// Extracts the [`L1BlockInfo`] from the the L1 info transaction (first transaction) in the L2
/// block.
///
/// Returns an error if the calldata is shorter than 4 bytes.
pub fn extract_l1_info_from_tx<T: Transaction>(
tx: &T,
) -> Result<L1BlockInfo, OpBlockExecutionError> {
let l1_info_tx_data = tx.input();
if l1_info_tx_data.len() < 4 {
return Err(OpBlockExecutionError::L1BlockInfoError {
message: "invalid l1 block info transaction calldata in the L2 block".to_string(),
@ -53,6 +60,12 @@ pub fn extract_l1_info<B: BlockBody>(body: &B) -> Result<L1BlockInfo, OpBlockExe
/// Parses the input of the first transaction in the L2 block, into [`L1BlockInfo`].
///
/// Returns an error if data is incorrect length.
///
/// Caution this expects that the input is the calldata of the [`L1BlockInfo`] transaction (first
/// transaction) in the L2 block.
///
/// # Panics
/// If the input is shorter than 4 bytes.
pub fn parse_l1_info(input: &[u8]) -> Result<L1BlockInfo, OpBlockExecutionError> {
// If the first 4 bytes of the calldata are the L1BlockInfoEcotone selector, then we parse the
// calldata as an Ecotone hardfork L1BlockInfo transaction. Otherwise, we parse it as a