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fix(builder): desired block gas limit (#13351)

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This commit is contained in:
Roman Krasiuk
2024-12-12 17:29:33 +01:00
committed by GitHub
parent 6ff2510ad9
commit e9577729f8
19 changed files with 66 additions and 50 deletions
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27
crates/ethereum/payload/src/config.rs
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@ -1,16 +1,26 @@
use alloy_eips::eip1559::ETHEREUM_BLOCK_GAS_LIMIT;
use alloy_primitives::Bytes;
use reth_primitives_traits::constants::GAS_LIMIT_BOUND_DIVISOR;
/// Settings for the Ethereum builder.
#[derive(PartialEq, Eq, Clone, Debug)]
pub struct EthereumBuilderConfig {
/// Block extra data.
pub extra_data: Bytes,
/// Desired gas limit.
pub desired_gas_limit: u64,
}
impl EthereumBuilderConfig {
/// Create new payload builder config.
pub const fn new(extra_data: Bytes) -> Self {
Self { extra_data }
Self { extra_data, desired_gas_limit: ETHEREUM_BLOCK_GAS_LIMIT }
}
/// Set desired gas limit.
pub const fn with_gas_limit(mut self, desired_gas_limit: u64) -> Self {
self.desired_gas_limit = desired_gas_limit;
self
}
}
@ -19,4 +29,19 @@ impl EthereumBuilderConfig {
pub fn extra_data(&self) -> Bytes {
self.extra_data.clone()
}
/// Returns the gas limit for the next block based
/// on parent and desired gas limits.
pub fn gas_limit(&self, parent_gas_limit: u64) -> u64 {
calculate_block_gas_limit(parent_gas_limit, self.desired_gas_limit)
}
}
/// Calculate the gas limit for the next block based on parent and desired gas limits.
/// Ref: <https://github.com/ethereum/go-ethereum/blob/88cbfab332c96edfbe99d161d9df6a40721bd786/core/block_validator.go#L166>
pub fn calculate_block_gas_limit(parent_gas_limit: u64, desired_gas_limit: u64) -> u64 {
let delta = (parent_gas_limit / GAS_LIMIT_BOUND_DIVISOR).saturating_sub(1);
let min_gas_limit = parent_gas_limit - delta;
let max_gas_limit = parent_gas_limit + delta;
desired_gas_limit.clamp(min_gas_limit, max_gas_limit)
}