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chore(reth-ethereum-consensus): use const GAS_LIMIT_BOUND_DIVISOR (#10948)

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This commit is contained in:
nk_ysg
2024-09-17 17:42:23 +08:00
committed by GitHub
parent 7367651333
commit de02d626cc
1 changed files with 17 additions and 9 deletions
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26
crates/ethereum/consensus/src/lib.rs
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@ -22,6 +22,9 @@ use reth_primitives::{
};
use std::{sync::Arc, time::SystemTime};
/// The bound divisor of the gas limit, used in update calculations.
const GAS_LIMIT_BOUND_DIVISOR: u64 = 1024;
mod validation;
pub use validation::validate_block_post_execution;
@ -43,7 +46,7 @@ impl EthBeaconConsensus {
/// Checks the gas limit for consistency between parent and self headers.
///
/// The maximum allowable difference between self and parent gas limits is determined by the
/// parent's gas limit divided by the elasticity multiplier (1024).
/// parent's gas limit divided by the [`GAS_LIMIT_BOUND_DIVISOR`].
fn validate_against_parent_gas_limit(
&self,
header: &SealedHeader,
@ -62,7 +65,7 @@ impl EthBeaconConsensus {
// Check for an increase in gas limit beyond the allowed threshold.
if header.gas_limit > parent_gas_limit {
if header.gas_limit - parent_gas_limit >= parent_gas_limit / 1024 {
if header.gas_limit - parent_gas_limit >= parent_gas_limit / GAS_LIMIT_BOUND_DIVISOR {
return Err(ConsensusError::GasLimitInvalidIncrease {
parent_gas_limit,
child_gas_limit: header.gas_limit,
@ -70,7 +73,8 @@ impl EthBeaconConsensus {
}
}
// Check for a decrease in gas limit beyond the allowed threshold.
else if parent_gas_limit - header.gas_limit >= parent_gas_limit / 1024 {
else if parent_gas_limit - header.gas_limit >= parent_gas_limit / GAS_LIMIT_BOUND_DIVISOR
{
return Err(ConsensusError::GasLimitInvalidDecrease {
parent_gas_limit,
child_gas_limit: header.gas_limit,
@ -230,7 +234,7 @@ mod tests {
#[test]
fn test_valid_gas_limit_increase() {
let parent = header_with_gas_limit(1024 * 10);
let parent = header_with_gas_limit(GAS_LIMIT_BOUND_DIVISOR * 10);
let child = header_with_gas_limit(parent.gas_limit + 5);
assert_eq!(
@ -254,8 +258,10 @@ mod tests {
#[test]
fn test_invalid_gas_limit_increase_exceeding_limit() {
let parent = header_with_gas_limit(1024 * 10);
let child = header_with_gas_limit(parent.gas_limit + parent.gas_limit / 1024 + 1);
let parent = header_with_gas_limit(GAS_LIMIT_BOUND_DIVISOR * 10);
let child = header_with_gas_limit(
parent.gas_limit + parent.gas_limit / GAS_LIMIT_BOUND_DIVISOR + 1,
);
assert_eq!(
EthBeaconConsensus::new(Arc::new(ChainSpec::default()))
@ -269,7 +275,7 @@ mod tests {
#[test]
fn test_valid_gas_limit_decrease_within_limit() {
let parent = header_with_gas_limit(1024 * 10);
let parent = header_with_gas_limit(GAS_LIMIT_BOUND_DIVISOR * 10);
let child = header_with_gas_limit(parent.gas_limit - 5);
assert_eq!(
@ -281,8 +287,10 @@ mod tests {
#[test]
fn test_invalid_gas_limit_decrease_exceeding_limit() {
let parent = header_with_gas_limit(1024 * 10);
let child = header_with_gas_limit(parent.gas_limit - parent.gas_limit / 1024 - 1);
let parent = header_with_gas_limit(GAS_LIMIT_BOUND_DIVISOR * 10);
let child = header_with_gas_limit(
parent.gas_limit - parent.gas_limit / GAS_LIMIT_BOUND_DIVISOR - 1,
);
assert_eq!(
EthBeaconConsensus::new(Arc::new(ChainSpec::default()))