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solana
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Make banks that fail threshhold check resettable (#7027)

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carllin 2019-11-19 02:36:30 -08:00 committed by GitHub
parent 11d2d2eccd
commit 43144cfe8b
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1 changed files with 15 additions and 16 deletions
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31
core/src/replay_stage.rs
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@ -747,16 +747,16 @@ impl ReplayStage {
stats
})
.collect();
let mut votable: Vec<_> = frozen_banks
let mut candidates: Vec<_> = frozen_banks
.iter()
.zip(stats.iter())
.filter(|(_, stats)| stats.is_recent && !stats.has_voted && stats.vote_threshold)
.filter(|(_, stats)| stats.is_recent && !stats.has_voted)
.collect();
//highest weight, lowest slot first
votable.sort_by_key(|b| (b.1.weight, 0i64 - b.1.slot as i64));
candidates.sort_by_key(|b| (b.1.weight, 0i64 - b.1.slot as i64));
votable.iter().for_each(|(_, stats)| {
candidates.iter().for_each(|(_, stats)| {
let mut parents: Vec<_> = if let Some(set) = ancestors.get(&stats.slot) {
set.iter().collect()
} else {
@ -765,10 +765,9 @@ impl ReplayStage {
parents.sort();
debug!("{}: {:?} {:?}", stats.slot, stats, parents,);
});
trace!("votable_banks {}", votable.len());
let rv = Self::pick_best_fork(ancestors, &votable);
let rv = Self::pick_best_fork(ancestors, &candidates);
let ms = timing::duration_as_ms(&tower_start.elapsed());
let weights: Vec<(u128, u64, u64)> = votable
let weights: Vec<(u128, u64, u64)> = candidates
.iter()
.map(|x| (x.1.weight, x.1.slot, x.1.block_height))
.collect();
@ -776,7 +775,7 @@ impl ReplayStage {
"@{:?} tower duration: {:?} len: {}/{} weights: {:?} voting: {}",
timing::timestamp(),
ms,
votable.len(),
candidates.len(),
stats.iter().filter(|s| !s.has_voted).count(),
weights,
rv.0.is_some()
@ -792,7 +791,7 @@ impl ReplayStage {
if best_banks.is_empty() {
return (None, None);
}
let mut rv = None;
let mut vote = None;
let (best_bank, best_stats) = best_banks.last().unwrap();
debug!("best bank: {:?}", best_stats);
let mut by_slot: Vec<_> = best_banks.iter().collect();
@ -800,7 +799,7 @@ impl ReplayStage {
//look for the oldest ancestors of the best bank
if let Some(best_ancestors) = ancestors.get(&best_stats.slot) {
for (parent, parent_stats) in by_slot.iter() {
if parent_stats.is_locked_out {
if parent_stats.is_locked_out || !parent_stats.vote_threshold {
continue;
}
if !best_ancestors.contains(&parent_stats.slot) {
@ -808,13 +807,13 @@ impl ReplayStage {
}
debug!("best bank found ancestor: {}", parent_stats.slot);
inc_new_counter_info!("replay_stage-pick_best_fork-ancestor", 1);
rv = Some(((*parent).clone(), parent_stats.total_staked));
vote = Some(((*parent).clone(), parent_stats.total_staked));
}
}
//look for the oldest child of the best bank
if rv.is_none() {
if vote.is_none() {
for (child, child_stats) in by_slot.iter().rev() {
if child_stats.is_locked_out {
if child_stats.is_locked_out || !child_stats.vote_threshold {
continue;
}
let has_best = best_stats.slot == child_stats.slot
@ -827,13 +826,13 @@ impl ReplayStage {
}
inc_new_counter_info!("replay_stage-pick_best_fork-child", 1);
debug!("best bank found child: {}", child_stats.slot);
rv = Some(((*child).clone(), child_stats.total_staked));
vote = Some(((*child).clone(), child_stats.total_staked));
}
}
if rv.is_none() {
if vote.is_none() {
inc_new_counter_info!("replay_stage-fork_selection-heavy_bank_lockout", 1);
}
(rv, Some((*best_bank).clone()))
(vote, Some((*best_bank).clone()))
}
fn confirm_forks(