Files
lighthouse/consensus/state_processing/src/upgrade/heze.rs
Eitan Seri-Levi c57a49b3af Heze fork
2026-04-30 09:23:00 +02:00

104 lines
4.6 KiB
Rust

use std::mem;
use types::{BeaconState, BeaconStateError as Error, BeaconStateHeze, ChainSpec, EthSpec, Fork};
/// Transform a `Gloas` state into a `Heze` state.
pub fn upgrade_to_heze<E: EthSpec>(
pre_state: &mut BeaconState<E>,
spec: &ChainSpec,
) -> Result<(), Error> {
let post = upgrade_state_to_heze(pre_state, spec)?;
*pre_state = post;
Ok(())
}
pub fn upgrade_state_to_heze<E: EthSpec>(
pre_state: &mut BeaconState<E>,
spec: &ChainSpec,
) -> Result<BeaconState<E>, Error> {
let epoch = pre_state.current_epoch();
let pre = pre_state.as_gloas_mut()?;
// Where possible, use something like `mem::take` to move fields from behind the &mut
// reference. For other fields that don't have a good default value, use `clone`.
//
// Fixed size vectors get cloned because replacing them would require the same size
// allocation as cloning.
let post = BeaconState::Heze(BeaconStateHeze {
// Versioning
genesis_time: pre.genesis_time,
genesis_validators_root: pre.genesis_validators_root,
slot: pre.slot,
fork: Fork {
previous_version: pre.fork.current_version,
current_version: spec.heze_fork_version,
epoch,
},
// History
latest_block_header: pre.latest_block_header.clone(),
block_roots: pre.block_roots.clone(),
state_roots: pre.state_roots.clone(),
historical_roots: mem::take(&mut pre.historical_roots),
// Eth1
eth1_data: pre.eth1_data.clone(),
eth1_data_votes: mem::take(&mut pre.eth1_data_votes),
eth1_deposit_index: pre.eth1_deposit_index,
// Registry
validators: mem::take(&mut pre.validators),
balances: mem::take(&mut pre.balances),
// Randomness
randao_mixes: pre.randao_mixes.clone(),
// Slashings
slashings: pre.slashings.clone(),
// Participation
previous_epoch_participation: mem::take(&mut pre.previous_epoch_participation),
current_epoch_participation: mem::take(&mut pre.current_epoch_participation),
// Finality
justification_bits: pre.justification_bits.clone(),
previous_justified_checkpoint: pre.previous_justified_checkpoint,
current_justified_checkpoint: pre.current_justified_checkpoint,
finalized_checkpoint: pre.finalized_checkpoint,
// Inactivity
inactivity_scores: mem::take(&mut pre.inactivity_scores),
// Sync committees
current_sync_committee: pre.current_sync_committee.clone(),
next_sync_committee: pre.next_sync_committee.clone(),
// Execution Bid
latest_execution_payload_bid: pre.latest_execution_payload_bid.clone(),
// Capella
next_withdrawal_index: pre.next_withdrawal_index,
next_withdrawal_validator_index: pre.next_withdrawal_validator_index,
historical_summaries: pre.historical_summaries.clone(),
// Electra
deposit_requests_start_index: pre.deposit_requests_start_index,
deposit_balance_to_consume: pre.deposit_balance_to_consume,
exit_balance_to_consume: pre.exit_balance_to_consume,
earliest_exit_epoch: pre.earliest_exit_epoch,
consolidation_balance_to_consume: pre.consolidation_balance_to_consume,
earliest_consolidation_epoch: pre.earliest_consolidation_epoch,
pending_deposits: pre.pending_deposits.clone(),
pending_partial_withdrawals: pre.pending_partial_withdrawals.clone(),
pending_consolidations: pre.pending_consolidations.clone(),
proposer_lookahead: mem::take(&mut pre.proposer_lookahead),
// Gloas
builders: mem::take(&mut pre.builders),
next_withdrawal_builder_index: pre.next_withdrawal_builder_index,
execution_payload_availability: pre.execution_payload_availability.clone(),
builder_pending_payments: pre.builder_pending_payments.clone(),
builder_pending_withdrawals: mem::take(&mut pre.builder_pending_withdrawals),
latest_block_hash: pre.latest_block_hash,
payload_expected_withdrawals: mem::take(&mut pre.payload_expected_withdrawals),
ptc_window: pre.ptc_window.clone(),
// Caches
total_active_balance: pre.total_active_balance,
progressive_balances_cache: mem::take(&mut pre.progressive_balances_cache),
committee_caches: mem::take(&mut pre.committee_caches),
pubkey_cache: mem::take(&mut pre.pubkey_cache),
exit_cache: mem::take(&mut pre.exit_cache),
slashings_cache: mem::take(&mut pre.slashings_cache),
epoch_cache: mem::take(&mut pre.epoch_cache),
});
Ok(post)
}