reth_optimism_chainspec/
base.rs

1//! Chain specification for the Base Mainnet network.
2
3use alloc::{sync::Arc, vec};
4
5use alloy_chains::Chain;
6use alloy_primitives::{b256, U256};
7use reth_chainspec::{BaseFeeParams, BaseFeeParamsKind, ChainSpec};
8use reth_ethereum_forks::{EthereumHardfork, Hardfork};
9use reth_optimism_forks::{OpHardfork, BASE_MAINNET_HARDFORKS};
10use reth_primitives_traits::SealedHeader;
11
12use crate::{make_op_genesis_header, LazyLock, OpChainSpec};
13
14/// The Base mainnet spec
15pub static BASE_MAINNET: LazyLock<Arc<OpChainSpec>> = LazyLock::new(|| {
16    let genesis = serde_json::from_str(include_str!("../res/genesis/base.json"))
17        .expect("Can't deserialize Base genesis json");
18    let hardforks = BASE_MAINNET_HARDFORKS.clone();
19    OpChainSpec {
20        inner: ChainSpec {
21            chain: Chain::base_mainnet(),
22            genesis_header: SealedHeader::new(
23                make_op_genesis_header(&genesis, &hardforks),
24                b256!("0xf712aa9241cc24369b143cf6dce85f0902a9731e70d66818a3a5845b296c73dd"),
25            ),
26            genesis,
27            paris_block_and_final_difficulty: Some((0, U256::from(0))),
28            hardforks,
29            base_fee_params: BaseFeeParamsKind::Variable(
30                vec![
31                    (EthereumHardfork::London.boxed(), BaseFeeParams::optimism()),
32                    (OpHardfork::Canyon.boxed(), BaseFeeParams::optimism_canyon()),
33                ]
34                .into(),
35            ),
36            ..Default::default()
37        },
38    }
39    .into()
40});