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feat(chainspec): add Chainspec::blob_fee_params_at_timestamp (#14049)

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Co-authored-by: Matthias Seitz <matthias.seitz@outlook.de>
This commit is contained in:
Tuan Tran
2025-01-30 02:18:00 +07:00
committed by GitHub
parent 04ddcdfae5
commit 974cea1d38
3 changed files with 31 additions and 1 deletions
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16
crates/chainspec/src/api.rs
View File

@ -2,10 +2,11 @@ use crate::{ChainSpec, DepositContract};
use alloc::{boxed::Box, vec::Vec};
use alloy_chains::Chain;
use alloy_consensus::Header;
use alloy_eips::eip1559::BaseFeeParams;
use alloy_eips::{eip1559::BaseFeeParams, eip7840::BlobParams};
use alloy_genesis::Genesis;
use alloy_primitives::B256;
use core::fmt::{Debug, Display};
use reth_ethereum_forks::EthereumHardforks;
use reth_network_peers::NodeRecord;
/// Trait representing type configuring a chain spec.
@ -31,6 +32,9 @@ pub trait EthChainSpec: Send + Sync + Unpin + Debug {
/// Get the [`BaseFeeParams`] for the chain at the given timestamp.
fn base_fee_params_at_timestamp(&self, timestamp: u64) -> BaseFeeParams;
/// Get the [`BlobParams`] for the given timestamp
fn blob_params_at_timestamp(&self, timestamp: u64) -> Option<BlobParams>;
/// Returns the deposit contract data for the chain, if it's present
fn deposit_contract(&self) -> Option<&DepositContract>;
@ -78,6 +82,16 @@ impl EthChainSpec for ChainSpec {
self.base_fee_params_at_timestamp(timestamp)
}
fn blob_params_at_timestamp(&self, timestamp: u64) -> Option<BlobParams> {
if self.is_prague_active_at_timestamp(timestamp) {
Some(self.blob_params.prague)
} else if self.is_cancun_active_at_timestamp(timestamp) {
Some(self.blob_params.cancun)
} else {
None
}
}
fn deposit_contract(&self) -> Option<&DepositContract> {
self.deposit_contract.as_ref()
}

11
crates/chainspec/src/spec.rs
View File

@ -413,6 +413,17 @@ impl ChainSpec {
}
}
/// Get the [`BlobParams`] for the given timestamp.
///
/// Note: This always return [`BlobParams::cancun`] pre prague.
pub fn blob_fee_params_at_timestamp(&self, timestamp: u64) -> BlobParams {
if self.is_prague_active_at_timestamp(timestamp) {
self.blob_params.prague
} else {
self.blob_params.cancun
}
}
/// Get the hash of the genesis block.
pub fn genesis_hash(&self) -> B256 {
*self.genesis_hash.get_or_init(|| self.genesis_header().hash_slow())