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feat: make base fee computation parameters configurable via chain spec (#3992)

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This commit is contained in:
Roberto Bayardo
2023-08-07 08:52:27 -07:00
committed by GitHub
parent aaf2d2cf19
commit 9569debbb5
24 changed files with 211 additions and 78 deletions
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48
crates/primitives/src/chain/spec.rs
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@ -1,5 +1,8 @@
use crate::{
constants::{EIP1559_INITIAL_BASE_FEE, EMPTY_WITHDRAWALS},
constants::{
EIP1559_DEFAULT_BASE_FEE_MAX_CHANGE_DENOMINATOR, EIP1559_DEFAULT_ELASTICITY_MULTIPLIER,
EIP1559_INITIAL_BASE_FEE, EMPTY_WITHDRAWALS,
},
forkid::ForkFilterKey,
header::Head,
proofs::genesis_state_root,
@ -60,6 +63,7 @@ pub static MAINNET: Lazy<Arc<ChainSpec>> = Lazy::new(|| {
11052984,
H256(hex!("649bbc62d0e31342afea4e5cd82d4049e7e1ee912fc0889aa790803be39038c5")),
)),
..Default::default()
}
.into()
});
@ -100,6 +104,7 @@ pub static GOERLI: Lazy<Arc<ChainSpec>> = Lazy::new(|| {
4367322,
H256(hex!("649bbc62d0e31342afea4e5cd82d4049e7e1ee912fc0889aa790803be39038c5")),
)),
..Default::default()
}
.into()
});
@ -144,6 +149,7 @@ pub static SEPOLIA: Lazy<Arc<ChainSpec>> = Lazy::new(|| {
1273020,
H256(hex!("649bbc62d0e31342afea4e5cd82d4049e7e1ee912fc0889aa790803be39038c5")),
)),
..Default::default()
}
.into()
});
@ -182,10 +188,30 @@ pub static DEV: Lazy<Arc<ChainSpec>> = Lazy::new(|| {
(Hardfork::Shanghai, ForkCondition::Timestamp(0)),
]),
deposit_contract: None, // TODO: do we even have?
..Default::default()
}
.into()
});
/// BaseFeeParams contains the config parameters that control block base fee computation
#[derive(Serialize, Deserialize, Debug, Copy, Clone, PartialEq, Eq)]
pub struct BaseFeeParams {
/// The base_fee_max_change_denominator from EIP-1559
pub max_change_denominator: u64,
/// The elasticity multiplier from EIP-1559
pub elasticity_multiplier: u64,
}
impl BaseFeeParams {
/// Get the base fee parameters for ethereum mainnet
pub const fn ethereum() -> BaseFeeParams {
BaseFeeParams {
max_change_denominator: EIP1559_DEFAULT_BASE_FEE_MAX_CHANGE_DENOMINATOR,
elasticity_multiplier: EIP1559_DEFAULT_ELASTICITY_MULTIPLIER,
}
}
}
/// An Ethereum chain specification.
///
/// A chain specification describes:
@ -224,6 +250,24 @@ pub struct ChainSpec {
/// The deposit contract deployed for PoS.
#[serde(skip, default)]
pub deposit_contract: Option<DepositContract>,
/// The parameters that configure how a block's base fee is computed
pub base_fee_params: BaseFeeParams,
}
impl Default for ChainSpec {
fn default() -> ChainSpec {
ChainSpec {
chain: Default::default(),
genesis_hash: Default::default(),
genesis: Default::default(),
paris_block_and_final_difficulty: Default::default(),
fork_timestamps: Default::default(),
hardforks: Default::default(),
deposit_contract: Default::default(),
base_fee_params: BaseFeeParams::ethereum(),
}
}
}
impl ChainSpec {
@ -457,6 +501,7 @@ impl From<Genesis> for ChainSpec {
hardforks,
paris_block_and_final_difficulty: None,
deposit_contract: None,
..Default::default()
}
}
}
@ -680,6 +725,7 @@ impl ChainSpecBuilder {
hardforks: self.hardforks,
paris_block_and_final_difficulty: None,
deposit_contract: None,
..Default::default()
}
}
}