Files
nanoreth/crates/primitives/src/chain/spec.rs
2023-05-29 12:16:59 +00:00

1316 lines
53 KiB
Rust

use crate::{
constants::{EIP1559_INITIAL_BASE_FEE, EMPTY_WITHDRAWALS},
forkid::ForkFilterKey,
header::Head,
proofs::genesis_state_root,
BlockNumber, Chain, ForkFilter, ForkHash, ForkId, Genesis, GenesisAccount, Hardfork, Header,
H160, H256, U256,
};
use ethers_core::utils::Genesis as EthersGenesis;
use hex_literal::hex;
use once_cell::sync::Lazy;
use serde::{Deserialize, Serialize};
use std::collections::{BTreeMap, HashMap};
/// The Ethereum mainnet spec
pub static MAINNET: Lazy<ChainSpec> = Lazy::new(|| ChainSpec {
chain: Chain::mainnet(),
genesis: serde_json::from_str(include_str!("../../res/genesis/mainnet.json"))
.expect("Can't deserialize Mainnet genesis json"),
genesis_hash: Some(H256(hex!(
"d4e56740f876aef8c010b86a40d5f56745a118d0906a34e69aec8c0db1cb8fa3"
))),
fork_timestamps: ForkTimestamps::default().shanghai(1681338455),
hardforks: BTreeMap::from([
(Hardfork::Frontier, ForkCondition::Block(0)),
(Hardfork::Homestead, ForkCondition::Block(1150000)),
(Hardfork::Dao, ForkCondition::Block(1920000)),
(Hardfork::Tangerine, ForkCondition::Block(2463000)),
(Hardfork::SpuriousDragon, ForkCondition::Block(2675000)),
(Hardfork::Byzantium, ForkCondition::Block(4370000)),
(Hardfork::Constantinople, ForkCondition::Block(7280000)),
(Hardfork::Petersburg, ForkCondition::Block(7280000)),
(Hardfork::Istanbul, ForkCondition::Block(9069000)),
(Hardfork::MuirGlacier, ForkCondition::Block(9200000)),
(Hardfork::Berlin, ForkCondition::Block(12244000)),
(Hardfork::London, ForkCondition::Block(12965000)),
(Hardfork::ArrowGlacier, ForkCondition::Block(13773000)),
(Hardfork::GrayGlacier, ForkCondition::Block(15050000)),
(
Hardfork::Paris,
ForkCondition::TTD {
fork_block: None,
total_difficulty: U256::from(58_750_000_000_000_000_000_000_u128),
},
),
(Hardfork::Shanghai, ForkCondition::Timestamp(1681338455)),
]),
});
/// The Goerli spec
pub static GOERLI: Lazy<ChainSpec> = Lazy::new(|| ChainSpec {
chain: Chain::goerli(),
genesis: serde_json::from_str(include_str!("../../res/genesis/goerli.json"))
.expect("Can't deserialize Goerli genesis json"),
genesis_hash: Some(H256(hex!(
"bf7e331f7f7c1dd2e05159666b3bf8bc7a8a3a9eb1d518969eab529dd9b88c1a"
))),
fork_timestamps: ForkTimestamps::default().shanghai(1678832736),
hardforks: BTreeMap::from([
(Hardfork::Frontier, ForkCondition::Block(0)),
(Hardfork::Homestead, ForkCondition::Block(0)),
(Hardfork::Dao, ForkCondition::Block(0)),
(Hardfork::Tangerine, ForkCondition::Block(0)),
(Hardfork::SpuriousDragon, ForkCondition::Block(0)),
(Hardfork::Byzantium, ForkCondition::Block(0)),
(Hardfork::Constantinople, ForkCondition::Block(0)),
(Hardfork::Petersburg, ForkCondition::Block(0)),
(Hardfork::Istanbul, ForkCondition::Block(1561651)),
(Hardfork::Berlin, ForkCondition::Block(4460644)),
(Hardfork::London, ForkCondition::Block(5062605)),
(
Hardfork::Paris,
ForkCondition::TTD { fork_block: None, total_difficulty: U256::from(10_790_000) },
),
(Hardfork::Shanghai, ForkCondition::Timestamp(1678832736)),
]),
});
/// The Sepolia spec
pub static SEPOLIA: Lazy<ChainSpec> = Lazy::new(|| ChainSpec {
chain: Chain::sepolia(),
genesis: serde_json::from_str(include_str!("../../res/genesis/sepolia.json"))
.expect("Can't deserialize Sepolia genesis json"),
genesis_hash: Some(H256(hex!(
"25a5cc106eea7138acab33231d7160d69cb777ee0c2c553fcddf5138993e6dd9"
))),
fork_timestamps: ForkTimestamps::default().shanghai(1677557088),
hardforks: BTreeMap::from([
(Hardfork::Frontier, ForkCondition::Block(0)),
(Hardfork::Homestead, ForkCondition::Block(0)),
(Hardfork::Dao, ForkCondition::Block(0)),
(Hardfork::Tangerine, ForkCondition::Block(0)),
(Hardfork::SpuriousDragon, ForkCondition::Block(0)),
(Hardfork::Byzantium, ForkCondition::Block(0)),
(Hardfork::Constantinople, ForkCondition::Block(0)),
(Hardfork::Petersburg, ForkCondition::Block(0)),
(Hardfork::Istanbul, ForkCondition::Block(0)),
(Hardfork::MuirGlacier, ForkCondition::Block(0)),
(Hardfork::Berlin, ForkCondition::Block(0)),
(Hardfork::London, ForkCondition::Block(0)),
(
Hardfork::Paris,
ForkCondition::TTD {
fork_block: Some(1735371),
total_difficulty: U256::from(17_000_000_000_000_000u64),
},
),
(Hardfork::Shanghai, ForkCondition::Timestamp(1677557088)),
]),
});
/// An Ethereum chain specification.
///
/// A chain specification describes:
///
/// - Meta-information about the chain (the chain ID)
/// - The genesis block of the chain ([`Genesis`])
/// - What hardforks are activated, and under which conditions
#[derive(Serialize, Deserialize, Debug, Clone)]
pub struct ChainSpec {
/// The chain ID
pub chain: Chain,
/// The hash of the genesis block.
///
/// This acts as a small cache for known chains. If the chain is known, then the genesis hash
/// is also known ahead of time, and this will be `Some`.
#[serde(skip, default)]
pub genesis_hash: Option<H256>,
/// The genesis block
pub genesis: Genesis,
/// Timestamps of various hardforks
///
/// This caches entries in `hardforks` map
#[serde(skip, default)]
pub fork_timestamps: ForkTimestamps,
/// The active hard forks and their activation conditions
pub hardforks: BTreeMap<Hardfork, ForkCondition>,
}
impl ChainSpec {
/// Get information about the chain itself
pub fn chain(&self) -> Chain {
self.chain
}
/// Get the genesis block specification.
///
/// To get the header for the genesis block, use [`Self::genesis_header`] instead.
pub fn genesis(&self) -> &Genesis {
&self.genesis
}
/// Get the header for the genesis block.
pub fn genesis_header(&self) -> Header {
// If London is activated at genesis, we set the initial base fee as per EIP-1559.
let base_fee_per_gas = self.initial_base_fee();
// If shanghai is activated, initialize the header with an empty withdrawals hash, and
// empty withdrawals list.
let withdrawals_root =
(self.fork(Hardfork::Shanghai).active_at_timestamp(self.genesis.timestamp))
.then_some(EMPTY_WITHDRAWALS);
Header {
gas_limit: self.genesis.gas_limit,
difficulty: self.genesis.difficulty,
nonce: self.genesis.nonce,
extra_data: self.genesis.extra_data.clone(),
state_root: genesis_state_root(&self.genesis.alloc),
timestamp: self.genesis.timestamp,
mix_hash: self.genesis.mix_hash,
beneficiary: self.genesis.coinbase,
base_fee_per_gas,
withdrawals_root,
..Default::default()
}
}
/// Get the initial base fee of the genesis block.
pub fn initial_base_fee(&self) -> Option<u64> {
// If London is activated at genesis, we set the initial base fee as per EIP-1559.
(self.fork(Hardfork::London).active_at_block(0)).then_some(EIP1559_INITIAL_BASE_FEE)
}
/// Get the hash of the genesis block.
pub fn genesis_hash(&self) -> H256 {
if let Some(hash) = self.genesis_hash {
hash
} else {
self.genesis_header().hash_slow()
}
}
/// Returns the forks in this specification and their activation conditions.
pub fn hardforks(&self) -> &BTreeMap<Hardfork, ForkCondition> {
&self.hardforks
}
/// Get the fork condition for the given fork.
pub fn fork(&self, fork: Hardfork) -> ForkCondition {
self.hardforks.get(&fork).copied().unwrap_or(ForkCondition::Never)
}
/// Get an iterator of all hardforks with their respective activation conditions.
pub fn forks_iter(&self) -> impl Iterator<Item = (Hardfork, ForkCondition)> + '_ {
self.hardforks.iter().map(|(f, b)| (*f, *b))
}
/// Convenience method to check if a fork is active at a given timestamp.
#[inline]
pub fn is_fork_active_at_timestamp(&self, fork: Hardfork, timestamp: u64) -> bool {
self.fork(fork).active_at_timestamp(timestamp)
}
/// Convenience method to check if [Hardfork::Shanghai] is active at a given timestamp.
#[inline]
pub fn is_shanghai_activated_at_timestamp(&self, timestamp: u64) -> bool {
self.fork_timestamps
.shanghai
.map(|shanghai| timestamp >= shanghai)
.unwrap_or_else(|| self.is_fork_active_at_timestamp(Hardfork::Shanghai, timestamp))
}
/// Creates a [`ForkFilter`](crate::ForkFilter) for the block described by [Head].
pub fn fork_filter(&self, head: Head) -> ForkFilter {
let forks = self.forks_iter().filter_map(|(_, condition)| {
// We filter out TTD-based forks w/o a pre-known block since those do not show up in the
// fork filter.
Some(match condition {
ForkCondition::Block(block) => ForkFilterKey::Block(block),
ForkCondition::Timestamp(time) => ForkFilterKey::Time(time),
ForkCondition::TTD { fork_block: Some(block), .. } => ForkFilterKey::Block(block),
_ => return None,
})
});
ForkFilter::new(head, self.genesis_hash(), forks)
}
/// Compute the [`ForkId`] for the given [`Head`]
pub fn fork_id(&self, head: &Head) -> ForkId {
let mut curr_forkhash = ForkHash::from(self.genesis_hash());
let mut current_applied_value = 0;
for (_, cond) in self.forks_iter() {
let value = match cond {
ForkCondition::Block(block) => block,
ForkCondition::Timestamp(time) => time,
ForkCondition::TTD { fork_block: Some(block), .. } => block,
_ => continue,
};
if cond.active_at_head(head) {
if value != current_applied_value {
curr_forkhash += value;
current_applied_value = value;
}
} else {
return ForkId { hash: curr_forkhash, next: value }
}
}
ForkId { hash: curr_forkhash, next: 0 }
}
/// Build a chainspec using [`ChainSpecBuilder`]
pub fn builder() -> ChainSpecBuilder {
ChainSpecBuilder::default()
}
}
impl From<EthersGenesis> for ChainSpec {
fn from(genesis: EthersGenesis) -> Self {
let alloc = genesis
.alloc
.iter()
.map(|(addr, account)| (addr.0.into(), account.clone().into()))
.collect::<HashMap<H160, GenesisAccount>>();
let genesis_block = Genesis {
nonce: genesis.nonce.as_u64(),
timestamp: genesis.timestamp.as_u64(),
gas_limit: genesis.gas_limit.as_u64(),
difficulty: genesis.difficulty.into(),
mix_hash: genesis.mix_hash.0.into(),
coinbase: genesis.coinbase.0.into(),
extra_data: genesis.extra_data.0.into(),
alloc,
};
// Block-based hardforks
let hardfork_opts = vec![
(Hardfork::Homestead, genesis.config.homestead_block),
(Hardfork::Dao, genesis.config.dao_fork_block),
(Hardfork::Tangerine, genesis.config.eip150_block),
(Hardfork::SpuriousDragon, genesis.config.eip155_block),
(Hardfork::Byzantium, genesis.config.byzantium_block),
(Hardfork::Constantinople, genesis.config.constantinople_block),
(Hardfork::Petersburg, genesis.config.petersburg_block),
(Hardfork::Istanbul, genesis.config.istanbul_block),
(Hardfork::MuirGlacier, genesis.config.muir_glacier_block),
(Hardfork::Berlin, genesis.config.berlin_block),
(Hardfork::London, genesis.config.london_block),
(Hardfork::ArrowGlacier, genesis.config.arrow_glacier_block),
(Hardfork::GrayGlacier, genesis.config.gray_glacier_block),
];
let mut hardforks = hardfork_opts
.iter()
.filter_map(|(hardfork, opt)| opt.map(|block| (*hardfork, ForkCondition::Block(block))))
.collect::<BTreeMap<_, _>>();
// Paris
if let Some(ttd) = genesis.config.terminal_total_difficulty {
hardforks.insert(
Hardfork::Paris,
ForkCondition::TTD {
total_difficulty: ttd.into(),
fork_block: genesis.config.merge_netsplit_block,
},
);
}
// Time-based hardforks
let time_hardforks = genesis
.config
.shanghai_time
.map(|time| (Hardfork::Shanghai, ForkCondition::Timestamp(time)))
.into_iter()
.collect::<BTreeMap<_, _>>();
hardforks.extend(time_hardforks);
Self {
chain: genesis.config.chain_id.into(),
genesis: genesis_block,
genesis_hash: None,
fork_timestamps: ForkTimestamps::from_hardforks(&hardforks),
hardforks,
}
}
}
/// Various timestamps of forks
#[derive(Debug, Clone, Default, Eq, PartialEq)]
pub struct ForkTimestamps {
/// The timestamp of the shanghai fork
pub shanghai: Option<u64>,
}
impl ForkTimestamps {
/// Creates a new [`ForkTimestamps`] from the given hardforks by extracing the timestamps
fn from_hardforks(forks: &BTreeMap<Hardfork, ForkCondition>) -> Self {
let mut timestamps = ForkTimestamps::default();
if let Some(shanghai) = forks.get(&Hardfork::Shanghai).and_then(|f| f.as_timestamp()) {
timestamps = timestamps.shanghai(shanghai);
}
timestamps
}
/// Sets the given shanghai timestamp
pub fn shanghai(mut self, shanghai: u64) -> Self {
self.shanghai = Some(shanghai);
self
}
}
/// A helper type for compatibility with geth's config
#[derive(Debug, Clone, Deserialize, Serialize)]
#[serde(untagged)]
pub enum AllGenesisFormats {
/// The geth genesis format
Geth(EthersGenesis),
/// The reth genesis format
Reth(ChainSpec),
}
impl From<EthersGenesis> for AllGenesisFormats {
fn from(genesis: EthersGenesis) -> Self {
Self::Geth(genesis)
}
}
impl From<ChainSpec> for AllGenesisFormats {
fn from(genesis: ChainSpec) -> Self {
Self::Reth(genesis)
}
}
impl From<AllGenesisFormats> for ChainSpec {
fn from(genesis: AllGenesisFormats) -> Self {
match genesis {
AllGenesisFormats::Geth(genesis) => genesis.into(),
AllGenesisFormats::Reth(genesis) => genesis,
}
}
}
/// A helper to build custom chain specs
#[derive(Debug, Default)]
pub struct ChainSpecBuilder {
chain: Option<Chain>,
genesis: Option<Genesis>,
hardforks: BTreeMap<Hardfork, ForkCondition>,
}
impl ChainSpecBuilder {
/// Construct a new builder from the mainnet chain spec.
pub fn mainnet() -> Self {
Self {
chain: Some(MAINNET.chain),
genesis: Some(MAINNET.genesis.clone()),
hardforks: MAINNET.hardforks.clone(),
}
}
/// Set the chain ID
pub fn chain(mut self, chain: Chain) -> Self {
self.chain = Some(chain);
self
}
/// Set the genesis block.
pub fn genesis(mut self, genesis: Genesis) -> Self {
self.genesis = Some(genesis);
self
}
/// Add the given fork with the given activation condition to the spec.
pub fn with_fork(mut self, fork: Hardfork, condition: ForkCondition) -> Self {
self.hardforks.insert(fork, condition);
self
}
/// Enable the Paris hardfork at the given TTD.
///
/// Does not set the merge netsplit block.
pub fn paris_at_ttd(self, ttd: U256) -> Self {
self.with_fork(
Hardfork::Paris,
ForkCondition::TTD { total_difficulty: ttd, fork_block: None },
)
}
/// Enable Frontier at genesis.
pub fn frontier_activated(mut self) -> Self {
self.hardforks.insert(Hardfork::Frontier, ForkCondition::Block(0));
self
}
/// Enable Homestead at genesis.
pub fn homestead_activated(mut self) -> Self {
self = self.frontier_activated();
self.hardforks.insert(Hardfork::Homestead, ForkCondition::Block(0));
self
}
/// Enable Tangerine at genesis.
pub fn tangerine_whistle_activated(mut self) -> Self {
self = self.homestead_activated();
self.hardforks.insert(Hardfork::Tangerine, ForkCondition::Block(0));
self
}
/// Enable Spurious Dragon at genesis.
pub fn spurious_dragon_activated(mut self) -> Self {
self = self.tangerine_whistle_activated();
self.hardforks.insert(Hardfork::SpuriousDragon, ForkCondition::Block(0));
self
}
/// Enable Byzantium at genesis.
pub fn byzantium_activated(mut self) -> Self {
self = self.spurious_dragon_activated();
self.hardforks.insert(Hardfork::Byzantium, ForkCondition::Block(0));
self
}
/// Enable Petersburg at genesis.
pub fn petersburg_activated(mut self) -> Self {
self = self.byzantium_activated();
self.hardforks.insert(Hardfork::Petersburg, ForkCondition::Block(0));
self
}
/// Enable Istanbul at genesis.
pub fn istanbul_activated(mut self) -> Self {
self = self.petersburg_activated();
self.hardforks.insert(Hardfork::Istanbul, ForkCondition::Block(0));
self
}
/// Enable Berlin at genesis.
pub fn berlin_activated(mut self) -> Self {
self = self.istanbul_activated();
self.hardforks.insert(Hardfork::Berlin, ForkCondition::Block(0));
self
}
/// Enable London at genesis.
pub fn london_activated(mut self) -> Self {
self = self.berlin_activated();
self.hardforks.insert(Hardfork::London, ForkCondition::Block(0));
self
}
/// Enable Paris at genesis.
pub fn paris_activated(mut self) -> Self {
self = self.london_activated();
self.hardforks.insert(
Hardfork::Paris,
ForkCondition::TTD { fork_block: Some(0), total_difficulty: U256::ZERO },
);
self
}
/// Enable Shanghai at genesis.
pub fn shanghai_activated(mut self) -> Self {
self = self.paris_activated();
self.hardforks.insert(Hardfork::Shanghai, ForkCondition::Timestamp(0));
self
}
/// Build the resulting [`ChainSpec`].
///
/// # Panics
///
/// This function panics if the chain ID and genesis is not set ([`Self::chain`] and
/// [`Self::genesis`])
pub fn build(self) -> ChainSpec {
ChainSpec {
chain: self.chain.expect("The chain is required"),
genesis: self.genesis.expect("The genesis is required"),
genesis_hash: None,
fork_timestamps: ForkTimestamps::from_hardforks(&self.hardforks),
hardforks: self.hardforks,
}
}
}
impl From<&ChainSpec> for ChainSpecBuilder {
fn from(value: &ChainSpec) -> Self {
Self {
chain: Some(value.chain),
genesis: Some(value.genesis.clone()),
hardforks: value.hardforks.clone(),
}
}
}
/// The condition at which a fork is activated.
#[derive(Debug, Copy, Clone, PartialEq, Eq, Serialize, Deserialize, Default)]
pub enum ForkCondition {
/// The fork is activated after a certain block.
Block(BlockNumber),
/// The fork is activated after a total difficulty has been reached.
TTD {
/// The block number at which TTD is reached, if it is known.
///
/// This should **NOT** be set unless you want this block advertised as [EIP-2124][eip2124]
/// `FORK_NEXT`. This is currently only the case for Sepolia.
///
/// [eip2124]: https://eips.ethereum.org/EIPS/eip-2124
fork_block: Option<BlockNumber>,
/// The total difficulty after which the fork is activated.
total_difficulty: U256,
},
/// The fork is activated after a specific timestamp.
Timestamp(u64),
/// The fork is never activated
#[default]
Never,
}
impl ForkCondition {
/// Returns true if the fork condition is timestamp based.
pub fn is_timestamp(&self) -> bool {
matches!(self, ForkCondition::Timestamp(_))
}
/// Checks whether the fork condition is satisfied at the given block.
///
/// For TTD conditions, this will only return true if the activation block is already known.
///
/// For timestamp conditions, this will always return false.
pub fn active_at_block(&self, current_block: BlockNumber) -> bool {
match self {
ForkCondition::Block(block) => current_block >= *block,
ForkCondition::TTD { fork_block: Some(block), .. } => current_block >= *block,
_ => false,
}
}
/// Checks if the given block is the first block that satisfies the fork condition.
///
/// This will return false for any condition that is not block based.
pub fn transitions_at_block(&self, current_block: BlockNumber) -> bool {
match self {
ForkCondition::Block(block) => current_block == *block,
_ => false,
}
}
/// Checks whether the fork condition is satisfied at the given total difficulty and difficulty
/// of a current block.
///
/// The fork is considered active if the _previous_ total difficulty is above the threshold.
/// To achieve that, we subtract the passed `difficulty` from the current block's total
/// difficulty, and check if it's above the Fork Condition's total difficulty (here:
/// 58_750_000_000_000_000_000_000)
///
/// This will return false for any condition that is not TTD-based.
pub fn active_at_ttd(&self, ttd: U256, difficulty: U256) -> bool {
if let ForkCondition::TTD { total_difficulty, .. } = self {
ttd.saturating_sub(difficulty) >= *total_difficulty
} else {
false
}
}
/// Checks whether the fork condition is satisfied at the given timestamp.
///
/// This will return false for any condition that is not timestamp-based.
pub fn active_at_timestamp(&self, timestamp: u64) -> bool {
if let ForkCondition::Timestamp(time) = self {
timestamp >= *time
} else {
false
}
}
/// Checks whether the fork condition is satisfied at the given head block.
///
/// This will return true if:
///
/// - The condition is satisfied by the block number;
/// - The condition is satisfied by the timestamp;
/// - or the condition is satisfied by the total difficulty
pub fn active_at_head(&self, head: &Head) -> bool {
self.active_at_block(head.number) ||
self.active_at_timestamp(head.timestamp) ||
self.active_at_ttd(head.total_difficulty, head.difficulty)
}
/// Get the total terminal difficulty for this fork condition.
///
/// Returns `None` for fork conditions that are not TTD based.
pub fn ttd(&self) -> Option<U256> {
match self {
ForkCondition::TTD { total_difficulty, .. } => Some(*total_difficulty),
_ => None,
}
}
/// An internal helper function that gives a value that satisfies this condition.
pub(crate) fn satisfy(&self) -> Head {
match *self {
ForkCondition::Block(number) => Head { number, ..Default::default() },
ForkCondition::Timestamp(timestamp) => Head { timestamp, ..Default::default() },
ForkCondition::TTD { total_difficulty, .. } => {
Head { total_difficulty, ..Default::default() }
}
ForkCondition::Never => unreachable!(),
}
}
/// Returns the timestamp of the fork condition, if it is timestamp based.
pub fn as_timestamp(&self) -> Option<u64> {
match self {
ForkCondition::Timestamp(timestamp) => Some(*timestamp),
_ => None,
}
}
}
#[cfg(test)]
mod tests {
use crate::{
AllGenesisFormats, Chain, ChainSpec, ChainSpecBuilder, ForkCondition, ForkHash, ForkId,
Genesis, Hardfork, Head, GOERLI, H256, MAINNET, SEPOLIA, U256,
};
use bytes::BytesMut;
use ethers_core::types as EtherType;
use reth_rlp::Encodable;
fn test_fork_ids(spec: &ChainSpec, cases: &[(Head, ForkId)]) {
for (block, expected_id) in cases {
let computed_id = spec.fork_id(block);
assert_eq!(
expected_id, &computed_id,
"Expected fork ID {:?}, computed fork ID {:?} at block {}",
expected_id, computed_id, block.number
);
}
}
// Tests that the ForkTimestamps are correctly set up.
#[test]
fn test_fork_timestamps() {
let spec = ChainSpec::builder().chain(Chain::mainnet()).genesis(Genesis::default()).build();
assert!(spec.fork_timestamps.shanghai.is_none());
let spec = ChainSpec::builder()
.chain(Chain::mainnet())
.genesis(Genesis::default())
.with_fork(Hardfork::Shanghai, ForkCondition::Timestamp(1337))
.build();
assert_eq!(spec.fork_timestamps.shanghai, Some(1337));
assert!(spec.is_shanghai_activated_at_timestamp(1337));
assert!(!spec.is_shanghai_activated_at_timestamp(1336));
}
// Tests that all predefined timestamps are correctly set up in the chainspecs
#[test]
fn test_predefined_chain_spec_fork_timestamps() {
fn ensure_timestamp_fork_conditions(spec: &ChainSpec) {
// This is a sanity test that ensures we always set all currently known fork timestamps,
// this will fail if a new timestamp based fork condition has added to the hardforks but
// no corresponding entry in the ForkTimestamp types, See also
// [ForkTimestamps::from_hardforks]
// currently there are only 1 timestamps known: shanghai
let known_timestamp_based_forks = 1;
let num_timestamp_based_forks =
spec.hardforks.values().copied().filter(ForkCondition::is_timestamp).count();
assert_eq!(num_timestamp_based_forks, known_timestamp_based_forks);
// ensures all timestamp forks are set
assert!(spec.fork_timestamps.shanghai.is_some());
}
for spec in [&*MAINNET, &*SEPOLIA] {
ensure_timestamp_fork_conditions(spec);
}
}
// Tests that we skip any fork blocks in block #0 (the genesis ruleset)
#[test]
fn ignores_genesis_fork_blocks() {
let spec = ChainSpec::builder()
.chain(Chain::mainnet())
.genesis(Genesis::default())
.with_fork(Hardfork::Frontier, ForkCondition::Block(0))
.with_fork(Hardfork::Homestead, ForkCondition::Block(0))
.with_fork(Hardfork::Tangerine, ForkCondition::Block(0))
.with_fork(Hardfork::SpuriousDragon, ForkCondition::Block(0))
.with_fork(Hardfork::Byzantium, ForkCondition::Block(0))
.with_fork(Hardfork::Constantinople, ForkCondition::Block(0))
.with_fork(Hardfork::Istanbul, ForkCondition::Block(0))
.with_fork(Hardfork::MuirGlacier, ForkCondition::Block(0))
.with_fork(Hardfork::Berlin, ForkCondition::Block(0))
.with_fork(Hardfork::London, ForkCondition::Block(0))
.with_fork(Hardfork::ArrowGlacier, ForkCondition::Block(0))
.with_fork(Hardfork::GrayGlacier, ForkCondition::Block(0))
.build();
assert_eq!(spec.hardforks().len(), 12, "12 forks should be active.");
assert_eq!(
spec.fork_id(&Head { number: 1, ..Default::default() }),
ForkId { hash: ForkHash::from(spec.genesis_hash()), next: 0 },
"the fork ID should be the genesis hash; forks at genesis are ignored for fork filters"
);
}
#[test]
fn ignores_duplicate_fork_blocks() {
let empty_genesis = Genesis::default();
let unique_spec = ChainSpec::builder()
.chain(Chain::mainnet())
.genesis(empty_genesis.clone())
.with_fork(Hardfork::Frontier, ForkCondition::Block(0))
.with_fork(Hardfork::Homestead, ForkCondition::Block(1))
.build();
let duplicate_spec = ChainSpec::builder()
.chain(Chain::mainnet())
.genesis(empty_genesis)
.with_fork(Hardfork::Frontier, ForkCondition::Block(0))
.with_fork(Hardfork::Homestead, ForkCondition::Block(1))
.with_fork(Hardfork::Tangerine, ForkCondition::Block(1))
.build();
assert_eq!(
unique_spec.fork_id(&Head { number: 2, ..Default::default() }),
duplicate_spec.fork_id(&Head { number: 2, ..Default::default() }),
"duplicate fork blocks should be deduplicated for fork filters"
);
}
#[test]
fn mainnet_forkids() {
test_fork_ids(
&MAINNET,
&[
(
Head { number: 0, ..Default::default() },
ForkId { hash: ForkHash([0xfc, 0x64, 0xec, 0x04]), next: 1150000 },
),
(
Head { number: 1150000, ..Default::default() },
ForkId { hash: ForkHash([0x97, 0xc2, 0xc3, 0x4c]), next: 1920000 },
),
(
Head { number: 1920000, ..Default::default() },
ForkId { hash: ForkHash([0x91, 0xd1, 0xf9, 0x48]), next: 2463000 },
),
(
Head { number: 2463000, ..Default::default() },
ForkId { hash: ForkHash([0x7a, 0x64, 0xda, 0x13]), next: 2675000 },
),
(
Head { number: 2675000, ..Default::default() },
ForkId { hash: ForkHash([0x3e, 0xdd, 0x5b, 0x10]), next: 4370000 },
),
(
Head { number: 4370000, ..Default::default() },
ForkId { hash: ForkHash([0xa0, 0x0b, 0xc3, 0x24]), next: 7280000 },
),
(
Head { number: 7280000, ..Default::default() },
ForkId { hash: ForkHash([0x66, 0x8d, 0xb0, 0xaf]), next: 9069000 },
),
(
Head { number: 9069000, ..Default::default() },
ForkId { hash: ForkHash([0x87, 0x9d, 0x6e, 0x30]), next: 9200000 },
),
(
Head { number: 9200000, ..Default::default() },
ForkId { hash: ForkHash([0xe0, 0x29, 0xe9, 0x91]), next: 12244000 },
),
(
Head { number: 12244000, ..Default::default() },
ForkId { hash: ForkHash([0x0e, 0xb4, 0x40, 0xf6]), next: 12965000 },
),
(
Head { number: 12965000, ..Default::default() },
ForkId { hash: ForkHash([0xb7, 0x15, 0x07, 0x7d]), next: 13773000 },
),
(
Head { number: 13773000, ..Default::default() },
ForkId { hash: ForkHash([0x20, 0xc3, 0x27, 0xfc]), next: 15050000 },
),
(
Head { number: 15050000, ..Default::default() },
ForkId { hash: ForkHash([0xf0, 0xaf, 0xd0, 0xe3]), next: 1681338455 },
),
// First Shanghai block
(
Head { number: 20000000, timestamp: 1681338455, ..Default::default() },
ForkId { hash: ForkHash([0xdc, 0xe9, 0x6c, 0x2d]), next: 0 },
),
// Future Shanghai block
(
Head { number: 20000000, timestamp: 2000000000, ..Default::default() },
ForkId { hash: ForkHash([0xdc, 0xe9, 0x6c, 0x2d]), next: 0 },
),
],
);
}
#[test]
fn goerli_forkids() {
test_fork_ids(
&GOERLI,
&[
(
Head { number: 0, ..Default::default() },
ForkId { hash: ForkHash([0xa3, 0xf5, 0xab, 0x08]), next: 1561651 },
),
(
Head { number: 1561650, ..Default::default() },
ForkId { hash: ForkHash([0xa3, 0xf5, 0xab, 0x08]), next: 1561651 },
),
(
Head { number: 1561651, ..Default::default() },
ForkId { hash: ForkHash([0xc2, 0x5e, 0xfa, 0x5c]), next: 4460644 },
),
(
Head { number: 4460643, ..Default::default() },
ForkId { hash: ForkHash([0xc2, 0x5e, 0xfa, 0x5c]), next: 4460644 },
),
(
Head { number: 4460644, ..Default::default() },
ForkId { hash: ForkHash([0x75, 0x7a, 0x1c, 0x47]), next: 5062605 },
),
(
Head { number: 5062605, ..Default::default() },
ForkId { hash: ForkHash([0xb8, 0xc6, 0x29, 0x9d]), next: 1678832736 },
),
(
Head { number: 6000000, timestamp: 1678832735, ..Default::default() },
ForkId { hash: ForkHash([0xb8, 0xc6, 0x29, 0x9d]), next: 1678832736 },
),
// First Shanghai block
(
Head { number: 6000001, timestamp: 1678832736, ..Default::default() },
ForkId { hash: ForkHash([0xf9, 0x84, 0x3a, 0xbf]), next: 0 },
),
// Future Shanghai block
(
Head { number: 6500000, timestamp: 1678832736, ..Default::default() },
ForkId { hash: ForkHash([0xf9, 0x84, 0x3a, 0xbf]), next: 0 },
),
],
);
}
#[test]
fn sepolia_forkids() {
test_fork_ids(
&SEPOLIA,
&[
(
Head { number: 0, ..Default::default() },
ForkId { hash: ForkHash([0xfe, 0x33, 0x66, 0xe7]), next: 1735371 },
),
(
Head { number: 1735370, ..Default::default() },
ForkId { hash: ForkHash([0xfe, 0x33, 0x66, 0xe7]), next: 1735371 },
),
(
Head { number: 1735371, ..Default::default() },
ForkId { hash: ForkHash([0xb9, 0x6c, 0xbd, 0x13]), next: 1677557088 },
),
(
Head { number: 1735372, timestamp: 1677557087, ..Default::default() },
ForkId { hash: ForkHash([0xb9, 0x6c, 0xbd, 0x13]), next: 1677557088 },
),
(
Head { number: 1735372, timestamp: 1677557088, ..Default::default() },
ForkId { hash: ForkHash([0xf7, 0xf9, 0xbc, 0x08]), next: 0 },
),
],
);
}
/// Checks that time-based forks work
///
/// This is based off of the test vectors here: https://github.com/ethereum/go-ethereum/blob/5c8cc10d1e05c23ff1108022f4150749e73c0ca1/core/forkid/forkid_test.go#L155-L188
#[test]
fn timestamped_forks() {
let mainnet_with_shanghai = ChainSpecBuilder::mainnet()
.with_fork(Hardfork::Shanghai, ForkCondition::Timestamp(1668000000))
.build();
test_fork_ids(
&mainnet_with_shanghai,
&[
(
Head { number: 0, timestamp: 0, ..Default::default() },
ForkId { hash: ForkHash([0xfc, 0x64, 0xec, 0x04]), next: 1150000 },
), // Unsynced
(
Head { number: 1149999, timestamp: 0, ..Default::default() },
ForkId { hash: ForkHash([0xfc, 0x64, 0xec, 0x04]), next: 1150000 },
), // Last Frontier block
(
Head { number: 1150000, timestamp: 0, ..Default::default() },
ForkId { hash: ForkHash([0x97, 0xc2, 0xc3, 0x4c]), next: 1920000 },
), // First Homestead block
(
Head { number: 1919999, timestamp: 0, ..Default::default() },
ForkId { hash: ForkHash([0x97, 0xc2, 0xc3, 0x4c]), next: 1920000 },
), // Last Homestead block
(
Head { number: 1920000, timestamp: 0, ..Default::default() },
ForkId { hash: ForkHash([0x91, 0xd1, 0xf9, 0x48]), next: 2463000 },
), // First DAO block
(
Head { number: 2462999, timestamp: 0, ..Default::default() },
ForkId { hash: ForkHash([0x91, 0xd1, 0xf9, 0x48]), next: 2463000 },
), // Last DAO block
(
Head { number: 2463000, timestamp: 0, ..Default::default() },
ForkId { hash: ForkHash([0x7a, 0x64, 0xda, 0x13]), next: 2675000 },
), // First Tangerine block
(
Head { number: 2674999, timestamp: 0, ..Default::default() },
ForkId { hash: ForkHash([0x7a, 0x64, 0xda, 0x13]), next: 2675000 },
), // Last Tangerine block
(
Head { number: 2675000, timestamp: 0, ..Default::default() },
ForkId { hash: ForkHash([0x3e, 0xdd, 0x5b, 0x10]), next: 4370000 },
), // First Spurious block
(
Head { number: 4369999, timestamp: 0, ..Default::default() },
ForkId { hash: ForkHash([0x3e, 0xdd, 0x5b, 0x10]), next: 4370000 },
), // Last Spurious block
(
Head { number: 4370000, timestamp: 0, ..Default::default() },
ForkId { hash: ForkHash([0xa0, 0x0b, 0xc3, 0x24]), next: 7280000 },
), // First Byzantium block
(
Head { number: 7279999, timestamp: 0, ..Default::default() },
ForkId { hash: ForkHash([0xa0, 0x0b, 0xc3, 0x24]), next: 7280000 },
), // Last Byzantium block
(
Head { number: 7280000, timestamp: 0, ..Default::default() },
ForkId { hash: ForkHash([0x66, 0x8d, 0xb0, 0xaf]), next: 9069000 },
), // First and last Constantinople, first Petersburg block
(
Head { number: 9068999, timestamp: 0, ..Default::default() },
ForkId { hash: ForkHash([0x66, 0x8d, 0xb0, 0xaf]), next: 9069000 },
), // Last Petersburg block
(
Head { number: 9069000, timestamp: 0, ..Default::default() },
ForkId { hash: ForkHash([0x87, 0x9d, 0x6e, 0x30]), next: 9200000 },
), // First Istanbul and first Muir Glacier block
(
Head { number: 9199999, timestamp: 0, ..Default::default() },
ForkId { hash: ForkHash([0x87, 0x9d, 0x6e, 0x30]), next: 9200000 },
), // Last Istanbul and first Muir Glacier block
(
Head { number: 9200000, timestamp: 0, ..Default::default() },
ForkId { hash: ForkHash([0xe0, 0x29, 0xe9, 0x91]), next: 12244000 },
), // First Muir Glacier block
(
Head { number: 12243999, timestamp: 0, ..Default::default() },
ForkId { hash: ForkHash([0xe0, 0x29, 0xe9, 0x91]), next: 12244000 },
), // Last Muir Glacier block
(
Head { number: 12244000, timestamp: 0, ..Default::default() },
ForkId { hash: ForkHash([0x0e, 0xb4, 0x40, 0xf6]), next: 12965000 },
), // First Berlin block
(
Head { number: 12964999, timestamp: 0, ..Default::default() },
ForkId { hash: ForkHash([0x0e, 0xb4, 0x40, 0xf6]), next: 12965000 },
), // Last Berlin block
(
Head { number: 12965000, timestamp: 0, ..Default::default() },
ForkId { hash: ForkHash([0xb7, 0x15, 0x07, 0x7d]), next: 13773000 },
), // First London block
(
Head { number: 13772999, timestamp: 0, ..Default::default() },
ForkId { hash: ForkHash([0xb7, 0x15, 0x07, 0x7d]), next: 13773000 },
), // Last London block
(
Head { number: 13773000, timestamp: 0, ..Default::default() },
ForkId { hash: ForkHash([0x20, 0xc3, 0x27, 0xfc]), next: 15050000 },
), // First Arrow Glacier block
(
Head { number: 15049999, timestamp: 0, ..Default::default() },
ForkId { hash: ForkHash([0x20, 0xc3, 0x27, 0xfc]), next: 15050000 },
), // Last Arrow Glacier block
(
Head { number: 15050000, timestamp: 0, ..Default::default() },
ForkId { hash: ForkHash([0xf0, 0xaf, 0xd0, 0xe3]), next: 1668000000 },
), // First Gray Glacier block
(
Head { number: 19999999, timestamp: 1667999999, ..Default::default() },
ForkId { hash: ForkHash([0xf0, 0xaf, 0xd0, 0xe3]), next: 1668000000 },
), // Last Gray Glacier block
(
Head { number: 20000000, timestamp: 1668000000, ..Default::default() },
ForkId { hash: ForkHash([0x71, 0x14, 0x76, 0x44]), next: 0 },
), // First Shanghai block
(
Head { number: 20000000, timestamp: 2668000000, ..Default::default() },
ForkId { hash: ForkHash([0x71, 0x14, 0x76, 0x44]), next: 0 },
), // Future Shanghai block
],
);
}
/// Checks that the fork is not active at a terminal ttd block.
#[test]
fn check_terminal_ttd() {
let chainspec = ChainSpecBuilder::mainnet().build();
// Check that Paris is not active on terminal PoW block #15537393.
let terminal_block_ttd = U256::from(58750003716598352816469_u128);
let terminal_block_difficulty = U256::from(11055787484078698_u128);
assert!(!chainspec
.fork(Hardfork::Paris)
.active_at_ttd(terminal_block_ttd, terminal_block_difficulty));
// Check that Paris is active on first PoS block #15537394.
let first_pos_block_ttd = U256::from(58750003716598352816469_u128);
let first_pos_difficulty = U256::ZERO;
assert!(chainspec
.fork(Hardfork::Paris)
.active_at_ttd(first_pos_block_ttd, first_pos_difficulty));
}
#[test]
fn geth_genesis_with_shanghai() {
let geth_genesis = r#"
{
"config": {
"chainId": 1337,
"homesteadBlock": 0,
"eip150Block": 0,
"eip150Hash": "0x0000000000000000000000000000000000000000000000000000000000000000",
"eip155Block": 0,
"eip158Block": 0,
"byzantiumBlock": 0,
"constantinopleBlock": 0,
"petersburgBlock": 0,
"istanbulBlock": 0,
"muirGlacierBlock": 0,
"berlinBlock": 0,
"londonBlock": 0,
"arrowGlacierBlock": 0,
"grayGlacierBlock": 0,
"shanghaiTime": 0,
"terminalTotalDifficulty": 0,
"terminalTotalDifficultyPassed": true,
"ethash": {}
},
"nonce": "0x0",
"timestamp": "0x0",
"extraData": "0x",
"gasLimit": "0x4c4b40",
"difficulty": "0x1",
"mixHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
"coinbase": "0x0000000000000000000000000000000000000000",
"alloc": {
"658bdf435d810c91414ec09147daa6db62406379": {
"balance": "0x487a9a304539440000"
},
"aa00000000000000000000000000000000000000": {
"code": "0x6042",
"storage": {
"0x0000000000000000000000000000000000000000000000000000000000000000": "0x0000000000000000000000000000000000000000000000000000000000000000",
"0x0100000000000000000000000000000000000000000000000000000000000000": "0x0100000000000000000000000000000000000000000000000000000000000000",
"0x0200000000000000000000000000000000000000000000000000000000000000": "0x0200000000000000000000000000000000000000000000000000000000000000",
"0x0300000000000000000000000000000000000000000000000000000000000000": "0x0000000000000000000000000000000000000000000000000000000000000303"
},
"balance": "0x1",
"nonce": "0x1"
},
"bb00000000000000000000000000000000000000": {
"code": "0x600154600354",
"storage": {
"0x0000000000000000000000000000000000000000000000000000000000000000": "0x0000000000000000000000000000000000000000000000000000000000000000",
"0x0100000000000000000000000000000000000000000000000000000000000000": "0x0100000000000000000000000000000000000000000000000000000000000000",
"0x0200000000000000000000000000000000000000000000000000000000000000": "0x0200000000000000000000000000000000000000000000000000000000000000",
"0x0300000000000000000000000000000000000000000000000000000000000000": "0x0000000000000000000000000000000000000000000000000000000000000303"
},
"balance": "0x2",
"nonce": "0x1"
}
},
"number": "0x0",
"gasUsed": "0x0",
"parentHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
"baseFeePerGas": "0x3b9aca00"
}
"#;
let genesis: ethers_core::utils::Genesis = serde_json::from_str(geth_genesis).unwrap();
let chainspec = ChainSpec::from(genesis);
// assert a bunch of hardforks that should be set
assert_eq!(
chainspec.hardforks.get(&Hardfork::Homestead).unwrap(),
&ForkCondition::Block(0)
);
assert_eq!(
chainspec.hardforks.get(&Hardfork::Tangerine).unwrap(),
&ForkCondition::Block(0)
);
assert_eq!(
chainspec.hardforks.get(&Hardfork::SpuriousDragon).unwrap(),
&ForkCondition::Block(0)
);
assert_eq!(
chainspec.hardforks.get(&Hardfork::Byzantium).unwrap(),
&ForkCondition::Block(0)
);
assert_eq!(
chainspec.hardforks.get(&Hardfork::Constantinople).unwrap(),
&ForkCondition::Block(0)
);
assert_eq!(
chainspec.hardforks.get(&Hardfork::Petersburg).unwrap(),
&ForkCondition::Block(0)
);
assert_eq!(chainspec.hardforks.get(&Hardfork::Istanbul).unwrap(), &ForkCondition::Block(0));
assert_eq!(
chainspec.hardforks.get(&Hardfork::MuirGlacier).unwrap(),
&ForkCondition::Block(0)
);
assert_eq!(chainspec.hardforks.get(&Hardfork::Berlin).unwrap(), &ForkCondition::Block(0));
assert_eq!(chainspec.hardforks.get(&Hardfork::London).unwrap(), &ForkCondition::Block(0));
assert_eq!(
chainspec.hardforks.get(&Hardfork::ArrowGlacier).unwrap(),
&ForkCondition::Block(0)
);
assert_eq!(
chainspec.hardforks.get(&Hardfork::GrayGlacier).unwrap(),
&ForkCondition::Block(0)
);
// including time based hardforks
assert_eq!(
chainspec.hardforks.get(&Hardfork::Shanghai).unwrap(),
&ForkCondition::Timestamp(0)
);
// alloc key -> expected rlp mapping
let key_rlp = vec![
(hex_literal::hex!("658bdf435d810c91414ec09147daa6db62406379"), "f84d8089487a9a304539440000a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a0c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470"),
(hex_literal::hex!("aa00000000000000000000000000000000000000"), "f8440101a08afc95b7d18a226944b9c2070b6bda1c3a36afcc3730429d47579c94b9fe5850a0ce92c756baff35fa740c3557c1a971fd24d2d35b7c8e067880d50cd86bb0bc99"),
(hex_literal::hex!("bb00000000000000000000000000000000000000"), "f8440102a08afc95b7d18a226944b9c2070b6bda1c3a36afcc3730429d47579c94b9fe5850a0e25a53cbb501cec2976b393719c63d832423dd70a458731a0b64e4847bbca7d2"),
];
for (key, expected_rlp) in key_rlp {
let account = chainspec.genesis.alloc.get(&key.into()).expect("account should exist");
let mut account_rlp = BytesMut::new();
account.encode(&mut account_rlp);
assert_eq!(hex::encode(account_rlp), expected_rlp)
}
assert_eq!(chainspec.genesis_hash, None);
let expected_state_root: H256 =
hex_literal::hex!("078dc6061b1d8eaa8493384b59c9c65ceb917201221d08b80c4de6770b6ec7e7")
.into();
assert_eq!(chainspec.genesis_header().state_root, expected_state_root);
let expected_withdrawals_hash: H256 =
hex_literal::hex!("56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421")
.into();
assert_eq!(chainspec.genesis_header().withdrawals_root, Some(expected_withdrawals_hash));
let expected_hash: H256 =
hex_literal::hex!("1fc027d65f820d3eef441ebeec139ebe09e471cf98516dce7b5643ccb27f418c")
.into();
let hash = chainspec.genesis_hash();
assert_eq!(hash, expected_hash);
}
#[test]
fn hive_geth_json() {
let hive_json = r#"
{
"nonce": "0x0000000000000042",
"difficulty": "0x2123456",
"mixHash": "0x123456789abcdef123456789abcdef123456789abcdef123456789abcdef1234",
"coinbase": "0xaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
"timestamp": "0x123456",
"parentHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
"extraData": "0xfafbfcfd",
"gasLimit": "0x2fefd8",
"alloc": {
"dbdbdb2cbd23b783741e8d7fcf51e459b497e4a6": {
"balance": "0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"
},
"e6716f9544a56c530d868e4bfbacb172315bdead": {
"balance": "0x11",
"code": "0x12"
},
"b9c015918bdaba24b4ff057a92a3873d6eb201be": {
"balance": "0x21",
"storage": {
"0x0000000000000000000000000000000000000000000000000000000000000001": "0x22"
}
},
"1a26338f0d905e295fccb71fa9ea849ffa12aaf4": {
"balance": "0x31",
"nonce": "0x32"
},
"0000000000000000000000000000000000000001": {
"balance": "0x41"
},
"0000000000000000000000000000000000000002": {
"balance": "0x51"
},
"0000000000000000000000000000000000000003": {
"balance": "0x61"
},
"0000000000000000000000000000000000000004": {
"balance": "0x71"
}
},
"config": {
"ethash": {},
"chainId": 10,
"homesteadBlock": 0,
"eip150Block": 0,
"eip155Block": 0,
"eip158Block": 0,
"byzantiumBlock": 0,
"constantinopleBlock": 0,
"petersburgBlock": 0,
"istanbulBlock": 0
}
}
"#;
let genesis = serde_json::from_str::<AllGenesisFormats>(hive_json).unwrap();
let chainspec: ChainSpec = genesis.into();
assert_eq!(chainspec.genesis_hash, None);
assert_eq!(Chain::Named(EtherType::Chain::Optimism), chainspec.chain);
let expected_state_root: H256 =
hex_literal::hex!("9a6049ac535e3dc7436c189eaa81c73f35abd7f282ab67c32944ff0301d63360")
.into();
assert_eq!(chainspec.genesis_header().state_root, expected_state_root);
let hard_forks = vec![
Hardfork::Byzantium,
Hardfork::Homestead,
Hardfork::Istanbul,
Hardfork::Petersburg,
Hardfork::Constantinople,
];
for ref fork in hard_forks {
assert_eq!(chainspec.hardforks.get(fork).unwrap(), &ForkCondition::Block(0));
}
let expected_hash: H256 =
hex_literal::hex!("5ae31c6522bd5856129f66be3d582b842e4e9faaa87f21cce547128339a9db3c")
.into();
let hash = chainspec.genesis_header().hash_slow();
assert_eq!(hash, expected_hash);
}
}