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Rename Tower::lockouts to Tower::vote_state

This commit is contained in:
Michael Vines 2021-07-02 13:18:41 -07:00
parent a5ee16bbe5
commit d5c2c72360
1 changed files with 68 additions and 68 deletions
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136
core/src/consensus.rs
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@ -103,13 +103,13 @@ pub(crate) struct ComputedBankState {
pub my_latest_landed_vote: Option<Slot>,
}
#[frozen_abi(digest = "Eay84NBbJqiMBfE7HHH2o6e51wcvoU79g8zCi5sw6uj3")]
#[frozen_abi(digest = "GMs1FxKteU7K4ZFRofMBqNhBpM4xkPVxfYod6R8DQmpT")]
#[derive(Clone, Serialize, Deserialize, Debug, PartialEq, AbiExample)]
pub struct Tower {
node_pubkey: Pubkey,
threshold_depth: usize,
threshold_size: f64,
lockouts: VoteState,
vote_state: VoteState,
last_vote: Vote,
#[serde(skip)]
// The blockhash used in the last vote transaction, may or may not equal the
@ -140,7 +140,7 @@ impl Default for Tower {
node_pubkey: Pubkey::default(),
threshold_depth: VOTE_THRESHOLD_DEPTH,
threshold_size: VOTE_THRESHOLD_SIZE,
lockouts: VoteState::default(),
vote_state: VoteState::default(),
last_vote: Vote::default(),
last_timestamp: BlockTimestamp::default(),
last_vote_tx_blockhash: Hash::default(),
@ -150,7 +150,7 @@ impl Default for Tower {
last_switch_threshold_check: Option::default(),
};
// VoteState::root_slot is ensured to be Some in Tower
tower.lockouts.root_slot = Some(Slot::default());
tower.vote_state.root_slot = Some(Slot::default());
tower
}
}
@ -372,7 +372,7 @@ impl Tower {
}
pub fn tower_slots(&self) -> Vec<Slot> {
self.lockouts.tower()
self.vote_state.tower()
}
pub fn last_vote_tx_blockhash(&self) -> Hash {
@ -420,7 +420,7 @@ impl Tower {
let last_voted_slot_in_bank = Self::last_voted_slot_in_bank(bank, vote_account_pubkey);
// Returns the new root if one is made after applying a vote for the given bank to
// `self.lockouts`
// `self.vote_state`
self.record_bank_vote_and_update_lockouts(bank.slot(), bank.hash(), last_voted_slot_in_bank)
}
@ -433,7 +433,7 @@ impl Tower {
trace!("{} record_vote for {}", self.node_pubkey, vote_slot);
let old_root = self.root();
let mut new_vote = Self::apply_vote_and_generate_vote_diff(
&mut self.lockouts,
&mut self.vote_state,
vote_slot,
vote_hash,
last_voted_slot_in_bank,
@ -501,12 +501,12 @@ impl Tower {
// snapshot (slot N). In other words, there should be no possibility a Tower doesn't have
// root, unlike young vote accounts.
pub fn root(&self) -> Slot {
self.lockouts.root_slot.unwrap()
self.vote_state.root_slot.unwrap()
}
// a slot is recent if it's newer than the last vote we have
pub fn is_recent(&self, slot: Slot) -> bool {
if let Some(last_voted_slot) = self.lockouts.last_voted_slot() {
if let Some(last_voted_slot) = self.vote_state.last_voted_slot() {
if slot <= last_voted_slot {
return false;
}
@ -515,7 +515,7 @@ impl Tower {
}
pub fn has_voted(&self, slot: Slot) -> bool {
for vote in &self.lockouts.votes {
for vote in &self.vote_state.votes {
if slot == vote.slot {
return true;
}
@ -532,15 +532,15 @@ impl Tower {
// slot to the current lockouts to pop any expired votes. If any of the
// remaining voted slots are on a different fork from the checked slot,
// it's still locked out.
let mut lockouts = self.lockouts.clone();
lockouts.process_slot_vote_unchecked(slot);
for vote in &lockouts.votes {
let mut vote_state = self.vote_state.clone();
vote_state.process_slot_vote_unchecked(slot);
for vote in &vote_state.votes {
if slot != vote.slot && !ancestors.contains(&vote.slot) {
return true;
}
}
if let Some(root_slot) = lockouts.root_slot {
if let Some(root_slot) = vote_state.root_slot {
if slot != root_slot {
// This case should never happen because bank forks purges all
// non-descendants of the root every time root is set
@ -861,9 +861,9 @@ impl Tower {
voted_stakes: &VotedStakes,
total_stake: Stake,
) -> bool {
let mut lockouts = self.lockouts.clone();
lockouts.process_slot_vote_unchecked(slot);
let vote = lockouts.nth_recent_vote(self.threshold_depth);
let mut vote_state = self.vote_state.clone();
vote_state.process_slot_vote_unchecked(slot);
let vote = vote_state.nth_recent_vote(self.threshold_depth);
if let Some(vote) = vote {
if let Some(fork_stake) = voted_stakes.get(&vote.slot) {
let lockout = *fork_stake as f64 / total_stake as f64;
@ -872,7 +872,7 @@ impl Tower {
slot, vote.slot, lockout, fork_stake, total_stake
);
if vote.confirmation_count as usize > self.threshold_depth {
for old_vote in &self.lockouts.votes {
for old_vote in &self.vote_state.votes {
if old_vote.slot == vote.slot
&& old_vote.confirmation_count == vote.confirmation_count
{
@ -927,7 +927,7 @@ impl Tower {
}
fn voted_slots(&self) -> Vec<Slot> {
self.lockouts
self.vote_state
.votes
.iter()
.map(|lockout| lockout.slot)
@ -963,11 +963,11 @@ impl Tower {
assert_eq!(slot_history.check(replayed_root), Check::Found);
assert!(
self.last_vote == Vote::default() && self.lockouts.votes.is_empty()
|| self.last_vote != Vote::default() && !self.lockouts.votes.is_empty(),
"last vote: {:?} lockouts.votes: {:?}",
self.last_vote == Vote::default() && self.vote_state.votes.is_empty()
|| self.last_vote != Vote::default() && !self.vote_state.votes.is_empty(),
"last vote: {:?} vote_state.votes: {:?}",
self.last_vote,
self.lockouts.votes
self.vote_state.votes
);
if let Some(last_voted_slot) = self.last_voted_slot() {
@ -1033,7 +1033,7 @@ impl Tower {
let tower_root = self.root();
// retained slots will be consisted only from divergent slots
let mut retain_flags_for_each_vote_in_reverse: Vec<_> =
Vec::with_capacity(self.lockouts.votes.len());
Vec::with_capacity(self.vote_state.votes.len());
let mut still_in_future = true;
let mut past_outside_history = false;
@ -1111,10 +1111,10 @@ impl Tower {
let mut retain_flags_for_each_vote =
retain_flags_for_each_vote_in_reverse.into_iter().rev();
let original_votes_len = self.lockouts.votes.len();
let original_votes_len = self.vote_state.votes.len();
self.initialize_lockouts(move |_| retain_flags_for_each_vote.next().unwrap());
if self.lockouts.votes.is_empty() {
if self.vote_state.votes.is_empty() {
info!("All restored votes were behind; resetting root_slot and last_vote in tower!");
// we might not have banks for those votes so just reset.
// That's because the votes may well past replayed_root
@ -1144,7 +1144,7 @@ impl Tower {
bank: &Bank,
) {
if let Some((_stake, vote_account)) = bank.get_vote_account(vote_account_pubkey) {
self.lockouts = vote_account
self.vote_state = vote_account
.vote_state()
.as_ref()
.expect("vote_account isn't a VoteState?")
@ -1157,7 +1157,7 @@ impl Tower {
bank.slot(),
);
assert_eq!(
self.lockouts.node_pubkey, self.node_pubkey,
self.vote_state.node_pubkey, self.node_pubkey,
"vote account's node_pubkey doesn't match",
);
} else {
@ -1171,13 +1171,13 @@ impl Tower {
}
fn initialize_lockouts<F: FnMut(&Lockout) -> bool>(&mut self, should_retain: F) {
self.lockouts.votes.retain(should_retain);
self.vote_state.votes.retain(should_retain);
}
// Updating root is needed to correctly restore from newly-saved tower for the next
// boot
fn initialize_root(&mut self, root: Slot) {
self.lockouts.root_slot = Some(root);
self.vote_state.root_slot = Some(root);
}
pub fn get_filename(path: &Path, node_pubkey: &Pubkey) -> PathBuf {
@ -1799,8 +1799,8 @@ pub mod test {
}
for i in 0..5 {
assert_eq!(tower.lockouts.votes[i].slot as usize, i);
assert_eq!(tower.lockouts.votes[i].confirmation_count as usize, 6 - i);
assert_eq!(tower.vote_state.votes[i].slot as usize, i);
assert_eq!(tower.vote_state.votes[i].confirmation_count as usize, 6 - i);
}
}
@ -2113,7 +2113,7 @@ pub mod test {
// If we set a root, then any lockout intervals below the root shouldn't
// count toward the switch threshold. This means the other validator's
// vote lockout no longer counts
tower.lockouts.root_slot = Some(43);
tower.vote_state.root_slot = Some(43);
// Refresh ancestors and descendants for new root.
let ancestors = vote_simulator.bank_forks.read().unwrap().ancestors();
let descendants = vote_simulator
@ -2353,7 +2353,7 @@ pub mod test {
.is_empty());
}
info!("local tower: {:#?}", tower.lockouts.votes);
info!("local tower: {:#?}", tower.vote_state.votes);
let observed = vote_simulator
.bank_forks
.read()
@ -2445,14 +2445,14 @@ pub mod test {
};
let root_weight = root.lockout() as u128;
let vote_account_expected_weight = tower
.lockouts
.vote_state
.votes
.iter()
.map(|v| v.lockout() as u128)
.sum::<u128>()
+ root_weight;
let expected_bank_weight = 2 * vote_account_expected_weight;
assert_eq!(tower.lockouts.root_slot, Some(0));
assert_eq!(tower.vote_state.root_slot, Some(0));
let mut latest_validator_votes_for_frozen_banks =
LatestValidatorVotesForFrozenBanks::default();
let ComputedBankState {
@ -2529,7 +2529,7 @@ pub mod test {
fn test_is_locked_out_root_slot_child_pass() {
let mut tower = Tower::new_for_tests(0, 0.67);
let ancestors: HashSet<Slot> = vec![0].into_iter().collect();
tower.lockouts.root_slot = Some(0);
tower.vote_state.root_slot = Some(0);
assert!(!tower.is_locked_out(1, &ancestors));
}
@ -2537,7 +2537,7 @@ pub mod test {
fn test_is_locked_out_root_slot_sibling_fail() {
let mut tower = Tower::new_for_tests(0, 0.67);
let ancestors: HashSet<Slot> = vec![0].into_iter().collect();
tower.lockouts.root_slot = Some(0);
tower.vote_state.root_slot = Some(0);
tower.record_vote(1, Hash::default());
assert!(tower.is_locked_out(2, &ancestors));
}
@ -2598,10 +2598,10 @@ pub mod test {
tower.record_vote(1, Hash::default());
assert!(!tower.is_locked_out(4, &ancestors));
tower.record_vote(4, Hash::default());
assert_eq!(tower.lockouts.votes[0].slot, 0);
assert_eq!(tower.lockouts.votes[0].confirmation_count, 2);
assert_eq!(tower.lockouts.votes[1].slot, 4);
assert_eq!(tower.lockouts.votes[1].confirmation_count, 1);
assert_eq!(tower.vote_state.votes[0].slot, 0);
assert_eq!(tower.vote_state.votes[0].confirmation_count, 2);
assert_eq!(tower.vote_state.votes[1].slot, 4);
assert_eq!(tower.vote_state.votes[1].confirmation_count, 1);
}
#[test]
@ -2961,7 +2961,7 @@ pub mod test {
tower.record_vote(110, Hash::default());
tower.record_vote(111, Hash::default());
assert_eq!(tower.voted_slots(), vec![43, 110, 111]);
assert_eq!(tower.lockouts.root_slot, Some(0));
assert_eq!(tower.vote_state.root_slot, Some(0));
}
// Prepare simulated validator restart!
@ -3061,7 +3061,7 @@ pub mod test {
tower.record_vote(110, Hash::default());
tower.record_vote(111, Hash::default());
assert_eq!(tower.voted_slots(), vec![110, 111]);
assert_eq!(tower.lockouts.root_slot, Some(replayed_root_slot));
assert_eq!(tower.vote_state.root_slot, Some(replayed_root_slot));
}
#[test]
@ -3151,7 +3151,7 @@ pub mod test {
assert!(!blockstore.is_root(4));
let mut tower = Tower::new_with_key(&Pubkey::default());
tower.lockouts.root_slot = Some(4);
tower.vote_state.root_slot = Some(4);
reconcile_blockstore_roots_with_tower(&tower, &blockstore).unwrap();
assert!(!blockstore.is_root(0));
@ -3183,7 +3183,7 @@ pub mod test {
assert!(!blockstore.is_root(4));
let mut tower = Tower::new_with_key(&Pubkey::default());
tower.lockouts.root_slot = Some(4);
tower.vote_state.root_slot = Some(4);
reconcile_blockstore_roots_with_tower(&tower, &blockstore).unwrap();
}
Blockstore::destroy(&blockstore_path).expect("Expected successful database destruction");
@ -3205,7 +3205,7 @@ pub mod test {
assert!(!blockstore.is_root(3));
let mut tower = Tower::new_with_key(&Pubkey::default());
tower.lockouts.root_slot = Some(4);
tower.vote_state.root_slot = Some(4);
assert_eq!(blockstore.last_root(), 0);
reconcile_blockstore_roots_with_tower(&tower, &blockstore).unwrap();
assert_eq!(blockstore.last_root(), 0);
@ -3357,7 +3357,7 @@ pub mod test {
#[test]
fn test_adjust_lockouts_after_replay_all_not_found_even_if_rooted() {
let mut tower = Tower::new_for_tests(10, 0.9);
tower.lockouts.root_slot = Some(4);
tower.vote_state.root_slot = Some(4);
tower.record_vote(5, Hash::default());
tower.record_vote(6, Hash::default());
@ -3379,7 +3379,7 @@ pub mod test {
#[test]
fn test_adjust_lockouts_after_replay_all_future_votes_only_root_found() {
let mut tower = Tower::new_for_tests(10, 0.9);
tower.lockouts.root_slot = Some(2);
tower.vote_state.root_slot = Some(2);
tower.record_vote(3, Hash::default());
tower.record_vote(4, Hash::default());
tower.record_vote(5, Hash::default());
@ -3435,8 +3435,8 @@ pub mod test {
#[test]
fn test_adjust_lockouts_after_replay_time_warped() {
let mut tower = Tower::new_for_tests(10, 0.9);
tower.lockouts.votes.push_back(Lockout::new(1));
tower.lockouts.votes.push_back(Lockout::new(0));
tower.vote_state.votes.push_back(Lockout::new(1));
tower.vote_state.votes.push_back(Lockout::new(0));
let vote = Vote::new(vec![0], Hash::default());
tower.last_vote = vote;
@ -3453,8 +3453,8 @@ pub mod test {
#[test]
fn test_adjust_lockouts_after_replay_diverged_ancestor() {
let mut tower = Tower::new_for_tests(10, 0.9);
tower.lockouts.votes.push_back(Lockout::new(1));
tower.lockouts.votes.push_back(Lockout::new(2));
tower.vote_state.votes.push_back(Lockout::new(1));
tower.vote_state.votes.push_back(Lockout::new(2));
let vote = Vote::new(vec![2], Hash::default());
tower.last_vote = vote;
@ -3475,11 +3475,11 @@ pub mod test {
let mut tower = Tower::new_for_tests(10, 0.9);
tower
.lockouts
.vote_state
.votes
.push_back(Lockout::new(MAX_ENTRIES - 1));
tower.lockouts.votes.push_back(Lockout::new(0));
tower.lockouts.votes.push_back(Lockout::new(1));
tower.vote_state.votes.push_back(Lockout::new(0));
tower.vote_state.votes.push_back(Lockout::new(1));
let vote = Vote::new(vec![1], Hash::default());
tower.last_vote = vote;
@ -3497,8 +3497,8 @@ pub mod test {
#[should_panic(expected = "slot_in_tower(2) < checked_slot(1)")]
fn test_adjust_lockouts_after_replay_reversed_votes() {
let mut tower = Tower::new_for_tests(10, 0.9);
tower.lockouts.votes.push_back(Lockout::new(2));
tower.lockouts.votes.push_back(Lockout::new(1));
tower.vote_state.votes.push_back(Lockout::new(2));
tower.vote_state.votes.push_back(Lockout::new(1));
let vote = Vote::new(vec![1], Hash::default());
tower.last_vote = vote;
@ -3515,9 +3515,9 @@ pub mod test {
#[should_panic(expected = "slot_in_tower(3) < checked_slot(3)")]
fn test_adjust_lockouts_after_replay_repeated_non_root_votes() {
let mut tower = Tower::new_for_tests(10, 0.9);
tower.lockouts.votes.push_back(Lockout::new(2));
tower.lockouts.votes.push_back(Lockout::new(3));
tower.lockouts.votes.push_back(Lockout::new(3));
tower.vote_state.votes.push_back(Lockout::new(2));
tower.vote_state.votes.push_back(Lockout::new(3));
tower.vote_state.votes.push_back(Lockout::new(3));
let vote = Vote::new(vec![3], Hash::default());
tower.last_vote = vote;
@ -3533,10 +3533,10 @@ pub mod test {
#[test]
fn test_adjust_lockouts_after_replay_vote_on_root() {
let mut tower = Tower::new_for_tests(10, 0.9);
tower.lockouts.root_slot = Some(42);
tower.lockouts.votes.push_back(Lockout::new(42));
tower.lockouts.votes.push_back(Lockout::new(43));
tower.lockouts.votes.push_back(Lockout::new(44));
tower.vote_state.root_slot = Some(42);
tower.vote_state.votes.push_back(Lockout::new(42));
tower.vote_state.votes.push_back(Lockout::new(43));
tower.vote_state.votes.push_back(Lockout::new(44));
let vote = Vote::new(vec![44], Hash::default());
tower.last_vote = vote;
@ -3550,7 +3550,7 @@ pub mod test {
#[test]
fn test_adjust_lockouts_after_replay_vote_on_genesis() {
let mut tower = Tower::new_for_tests(10, 0.9);
tower.lockouts.votes.push_back(Lockout::new(0));
tower.vote_state.votes.push_back(Lockout::new(0));
let vote = Vote::new(vec![0], Hash::default());
tower.last_vote = vote;
@ -3563,8 +3563,8 @@ pub mod test {
#[test]
fn test_adjust_lockouts_after_replay_future_tower() {
let mut tower = Tower::new_for_tests(10, 0.9);
tower.lockouts.votes.push_back(Lockout::new(13));
tower.lockouts.votes.push_back(Lockout::new(14));
tower.vote_state.votes.push_back(Lockout::new(13));
tower.vote_state.votes.push_back(Lockout::new(14));
let vote = Vote::new(vec![14], Hash::default());
tower.last_vote = vote;
tower.initialize_root(12);