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Use sync_tolerance_epochs flag to control the proposer prep routines (#7044)

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Replace the `2 + 2 == 5` hacks from `holesky-rescue` and use the existing `sync_tolerance_epochs` flag to control the proposer prep routines.
This commit is contained in:
Jimmy Chen
2025-03-06 14:50:42 +11:00
committed by GitHub
parent 066f28770f
commit 09849e841b
5 changed files with 35 additions and 29 deletions
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14
beacon_node/beacon_chain/src/beacon_chain.rs
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@@ -144,11 +144,6 @@ pub const FORK_CHOICE_DB_KEY: Hash256 = Hash256::ZERO;
/// Defines how old a block can be before it's no longer a candidate for the early attester cache.
const EARLY_ATTESTER_CACHE_HISTORIC_SLOTS: u64 = 4;
/// Defines a distance between the head block slot and the current slot.
///
/// If the head block is older than this value, don't bother preparing beacon proposers.
const PREPARE_PROPOSER_HISTORIC_EPOCHS: u64 = 4;
/// If the head is more than `MAX_PER_SLOT_FORK_CHOICE_DISTANCE` slots behind the wall-clock slot, DO NOT
/// run the per-slot tasks (primarily fork choice).
///
@@ -4848,7 +4843,7 @@ impl<T: BeaconChainTypes> BeaconChain<T> {
let proposer_index = if let Some(proposer) = cached_proposer {
proposer.index as u64
} else {
if head_epoch + 2 < proposal_epoch {
if head_epoch + self.config.sync_tolerance_epochs < proposal_epoch {
warn!(
self.log,
"Skipping proposer preparation";
@@ -6079,19 +6074,18 @@ impl<T: BeaconChainTypes> BeaconChain<T> {
// Use a blocking task since blocking the core executor on the canonical head read lock can
// block the core tokio executor.
let chain = self.clone();
let tolerance_slots = self.config.sync_tolerance_epochs * T::EthSpec::slots_per_epoch();
let maybe_prep_data = self
.spawn_blocking_handle(
move || {
let cached_head = chain.canonical_head.cached_head();
// Don't bother with proposer prep if the head is more than
// `PREPARE_PROPOSER_HISTORIC_EPOCHS` prior to the current slot.
// `sync_tolerance_epochs` prior to the current slot.
//
// This prevents the routine from running during sync.
let head_slot = cached_head.head_slot();
if head_slot + T::EthSpec::slots_per_epoch() * PREPARE_PROPOSER_HISTORIC_EPOCHS
< current_slot
{
if head_slot + tolerance_slots < current_slot {
debug!(
chain.log,
"Head too old for proposer prep";