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Check holocene activation based on the parent's timestamp (#13060)

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Co-authored-by: Matthias Seitz <matthias.seitz@outlook.de>
This commit is contained in:
Minhyuk Kim
2024-12-02 12:55:00 -06:00
committed by GitHub
parent c61a0713b4
commit 6cea9955b6
1 changed files with 9 additions and 3 deletions
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12
crates/optimism/chainspec/src/lib.rs
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@ -186,14 +186,20 @@ pub struct OpChainSpec {
impl OpChainSpec {
/// Read from parent to determine the base fee for the next block
///
/// See also [Base fee computation](https://github.com/ethereum-optimism/specs/blob/main/specs/protocol/holocene/exec-engine.md#base-fee-computation)
pub fn next_block_base_fee(
&self,
parent: &Header,
timestamp: u64,
) -> Result<U256, DecodeError> {
let is_holocene_activated = self
.inner
.is_fork_active_at_timestamp(reth_optimism_forks::OpHardfork::Holocene, timestamp);
// > if Holocene is active in parent_header.timestamp, then the parameters from
// > parent_header.extraData are used.
let is_holocene_activated = self.inner.is_fork_active_at_timestamp(
reth_optimism_forks::OpHardfork::Holocene,
parent.timestamp,
);
// If we are in the Holocene, we need to use the base fee params
// from the parent block's extra data.
// Else, use the base fee params (default values) from chainspec