672 lines
22 KiB
Rust
672 lines
22 KiB
Rust
use crate::{
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cluster_info_vote_listener::SlotVoteTracker,
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cluster_slots::SlotPubkeys,
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replay_stage::SUPERMINORITY_THRESHOLD,
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{consensus::Stake, consensus::VotedStakes},
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};
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use solana_ledger::blockstore_processor::{ConfirmationProgress, ConfirmationTiming};
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use solana_runtime::{bank::Bank, bank_forks::BankForks, vote_account::ArcVoteAccount};
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use solana_sdk::{clock::Slot, hash::Hash, pubkey::Pubkey};
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use std::{
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collections::{BTreeMap, HashMap, HashSet},
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sync::{Arc, RwLock},
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};
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type VotedSlot = Slot;
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type ExpirationSlot = Slot;
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pub(crate) type LockoutIntervals = BTreeMap<ExpirationSlot, Vec<(VotedSlot, Pubkey)>>;
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#[derive(Default)]
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pub(crate) struct ReplaySlotStats(ConfirmationTiming);
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impl std::ops::Deref for ReplaySlotStats {
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type Target = ConfirmationTiming;
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fn deref(&self) -> &Self::Target {
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&self.0
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}
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}
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impl std::ops::DerefMut for ReplaySlotStats {
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fn deref_mut(&mut self) -> &mut Self::Target {
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&mut self.0
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}
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}
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impl ReplaySlotStats {
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pub fn report_stats(&self, slot: Slot, num_entries: usize, num_shreds: u64) {
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datapoint_info!(
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"replay-slot-stats",
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("slot", slot as i64, i64),
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("fetch_entries_time", self.fetch_elapsed as i64, i64),
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(
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"fetch_entries_fail_time",
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self.fetch_fail_elapsed as i64,
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i64
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),
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(
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"entry_poh_verification_time",
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self.poh_verify_elapsed as i64,
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i64
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),
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(
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"entry_transaction_verification_time",
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self.transaction_verify_elapsed as i64,
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i64
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),
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("replay_time", self.replay_elapsed as i64, i64),
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(
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"replay_total_elapsed",
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self.started.elapsed().as_micros() as i64,
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i64
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),
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("total_entries", num_entries as i64, i64),
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("total_shreds", num_shreds as i64, i64),
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("check_us", self.execute_timings.check_us, i64),
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("load_us", self.execute_timings.load_us, i64),
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("execute_us", self.execute_timings.execute_us, i64),
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("store_us", self.execute_timings.store_us, i64),
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(
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"serialize_us",
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self.execute_timings.details.serialize_us,
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i64
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),
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(
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"create_vm_us",
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self.execute_timings.details.create_vm_us,
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i64
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),
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(
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"execute_inner_us",
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self.execute_timings.details.execute_us,
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i64
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),
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(
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"deserialize_us",
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self.execute_timings.details.deserialize_us,
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i64
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),
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(
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"changed_account_count",
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self.execute_timings.details.changed_account_count,
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i64
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),
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(
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"total_account_count",
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self.execute_timings.details.total_account_count,
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i64
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),
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(
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"total_data_size",
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self.execute_timings.details.total_data_size,
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i64
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),
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(
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"data_size_changed",
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self.execute_timings.details.data_size_changed,
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i64
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),
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);
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let mut per_pubkey_timings: Vec<_> = self
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.execute_timings
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.details
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.per_program_timings
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.iter()
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.collect();
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per_pubkey_timings.sort_by(|a, b| b.1 .0.cmp(&a.1 .0));
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let total: u64 = per_pubkey_timings.iter().map(|a| a.1 .0).sum();
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for (pubkey, time) in per_pubkey_timings.iter().take(5) {
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datapoint_info!(
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"per_program_timings",
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("pubkey", pubkey.to_string(), String),
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("execute_us", time.0, i64)
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);
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}
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datapoint_info!(
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"per_program_timings",
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("pubkey", "all", String),
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("execute_us", total, i64)
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);
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}
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}
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#[derive(Debug)]
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pub(crate) struct ValidatorStakeInfo {
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pub validator_vote_pubkey: Pubkey,
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pub stake: u64,
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pub total_epoch_stake: u64,
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}
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impl Default for ValidatorStakeInfo {
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fn default() -> Self {
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Self {
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stake: 0,
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validator_vote_pubkey: Pubkey::default(),
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total_epoch_stake: 1,
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}
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}
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}
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impl ValidatorStakeInfo {
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pub fn new(validator_vote_pubkey: Pubkey, stake: u64, total_epoch_stake: u64) -> Self {
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Self {
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validator_vote_pubkey,
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stake,
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total_epoch_stake,
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}
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}
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}
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pub(crate) struct ForkProgress {
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pub(crate) is_dead: bool,
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pub(crate) fork_stats: ForkStats,
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pub(crate) propagated_stats: PropagatedStats,
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pub(crate) replay_stats: ReplaySlotStats,
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pub(crate) replay_progress: ConfirmationProgress,
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// Note `num_blocks_on_fork` and `num_dropped_blocks_on_fork` only
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// count new blocks replayed since last restart, which won't include
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// blocks already existing in the ledger/before snapshot at start,
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// so these stats do not span all of time
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pub(crate) num_blocks_on_fork: u64,
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pub(crate) num_dropped_blocks_on_fork: u64,
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}
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impl ForkProgress {
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pub fn new(
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last_entry: Hash,
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prev_leader_slot: Option<Slot>,
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validator_stake_info: Option<ValidatorStakeInfo>,
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num_blocks_on_fork: u64,
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num_dropped_blocks_on_fork: u64,
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) -> Self {
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let (
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is_leader_slot,
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propagated_validators_stake,
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propagated_validators,
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is_propagated,
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total_epoch_stake,
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) = validator_stake_info
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.map(|info| {
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(
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true,
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info.stake,
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vec![info.validator_vote_pubkey].into_iter().collect(),
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{
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if info.total_epoch_stake == 0 {
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true
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} else {
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info.stake as f64 / info.total_epoch_stake as f64
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> SUPERMINORITY_THRESHOLD
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}
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},
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info.total_epoch_stake,
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)
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})
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.unwrap_or((false, 0, HashSet::new(), false, 0));
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Self {
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is_dead: false,
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fork_stats: ForkStats::default(),
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replay_stats: ReplaySlotStats::default(),
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replay_progress: ConfirmationProgress::new(last_entry),
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num_blocks_on_fork,
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num_dropped_blocks_on_fork,
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propagated_stats: PropagatedStats {
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propagated_validators,
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propagated_validators_stake,
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is_propagated,
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is_leader_slot,
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prev_leader_slot,
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total_epoch_stake,
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..PropagatedStats::default()
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},
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}
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}
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pub fn new_from_bank(
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bank: &Bank,
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my_pubkey: &Pubkey,
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voting_pubkey: &Pubkey,
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prev_leader_slot: Option<Slot>,
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num_blocks_on_fork: u64,
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num_dropped_blocks_on_fork: u64,
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) -> Self {
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let validator_stake_info = {
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if bank.collector_id() == my_pubkey {
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Some(ValidatorStakeInfo::new(
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*voting_pubkey,
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bank.epoch_vote_account_stake(voting_pubkey),
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bank.total_epoch_stake(),
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))
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} else {
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None
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}
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};
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Self::new(
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bank.last_blockhash(),
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prev_leader_slot,
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validator_stake_info,
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num_blocks_on_fork,
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num_dropped_blocks_on_fork,
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)
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}
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}
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#[derive(Debug, Clone, Default)]
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pub(crate) struct ForkStats {
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pub(crate) weight: u128,
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pub(crate) fork_weight: u128,
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pub(crate) total_stake: Stake,
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pub(crate) block_height: u64,
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pub(crate) has_voted: bool,
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pub(crate) is_recent: bool,
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pub(crate) is_empty: bool,
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pub(crate) vote_threshold: bool,
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pub(crate) is_locked_out: bool,
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pub(crate) voted_stakes: VotedStakes,
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pub(crate) is_supermajority_confirmed: bool,
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pub(crate) computed: bool,
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pub(crate) lockout_intervals: LockoutIntervals,
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pub(crate) bank_hash: Option<Hash>,
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pub(crate) my_latest_landed_vote: Option<Slot>,
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}
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#[derive(Clone, Default)]
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pub(crate) struct PropagatedStats {
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pub(crate) propagated_validators: HashSet<Pubkey>,
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pub(crate) propagated_node_ids: HashSet<Pubkey>,
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pub(crate) propagated_validators_stake: u64,
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pub(crate) is_propagated: bool,
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pub(crate) is_leader_slot: bool,
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pub(crate) prev_leader_slot: Option<Slot>,
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pub(crate) slot_vote_tracker: Option<Arc<RwLock<SlotVoteTracker>>>,
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pub(crate) cluster_slot_pubkeys: Option<Arc<RwLock<SlotPubkeys>>>,
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pub(crate) total_epoch_stake: u64,
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}
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impl PropagatedStats {
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pub fn add_vote_pubkey(&mut self, vote_pubkey: Pubkey, stake: u64) {
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if self.propagated_validators.insert(vote_pubkey) {
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self.propagated_validators_stake += stake;
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}
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}
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pub fn add_node_pubkey(&mut self, node_pubkey: &Pubkey, bank: &Bank) {
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if !self.propagated_node_ids.contains(node_pubkey) {
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let node_vote_accounts = bank
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.epoch_vote_accounts_for_node_id(node_pubkey)
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.map(|v| &v.vote_accounts);
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if let Some(node_vote_accounts) = node_vote_accounts {
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self.add_node_pubkey_internal(
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node_pubkey,
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node_vote_accounts,
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bank.epoch_vote_accounts(bank.epoch())
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.expect("Epoch stakes for bank's own epoch must exist"),
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);
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}
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}
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}
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fn add_node_pubkey_internal(
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&mut self,
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node_pubkey: &Pubkey,
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vote_account_pubkeys: &[Pubkey],
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epoch_vote_accounts: &HashMap<Pubkey, (u64, ArcVoteAccount)>,
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) {
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self.propagated_node_ids.insert(*node_pubkey);
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for vote_account_pubkey in vote_account_pubkeys.iter() {
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let stake = epoch_vote_accounts
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.get(vote_account_pubkey)
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.map(|(stake, _)| *stake)
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.unwrap_or(0);
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self.add_vote_pubkey(*vote_account_pubkey, stake);
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}
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}
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}
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#[derive(Default)]
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pub(crate) struct ProgressMap {
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progress_map: HashMap<Slot, ForkProgress>,
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}
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impl std::ops::Deref for ProgressMap {
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type Target = HashMap<Slot, ForkProgress>;
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fn deref(&self) -> &Self::Target {
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&self.progress_map
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}
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}
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impl std::ops::DerefMut for ProgressMap {
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fn deref_mut(&mut self) -> &mut Self::Target {
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&mut self.progress_map
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}
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}
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impl ProgressMap {
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pub fn insert(&mut self, slot: Slot, fork_progress: ForkProgress) {
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self.progress_map.insert(slot, fork_progress);
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}
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pub fn get_propagated_stats(&self, slot: Slot) -> Option<&PropagatedStats> {
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self.progress_map
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.get(&slot)
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.map(|fork_progress| &fork_progress.propagated_stats)
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}
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pub fn get_propagated_stats_mut(&mut self, slot: Slot) -> Option<&mut PropagatedStats> {
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self.progress_map
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.get_mut(&slot)
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.map(|fork_progress| &mut fork_progress.propagated_stats)
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}
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pub fn get_fork_stats(&self, slot: Slot) -> Option<&ForkStats> {
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self.progress_map
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.get(&slot)
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.map(|fork_progress| &fork_progress.fork_stats)
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}
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pub fn get_fork_stats_mut(&mut self, slot: Slot) -> Option<&mut ForkStats> {
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self.progress_map
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.get_mut(&slot)
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.map(|fork_progress| &mut fork_progress.fork_stats)
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}
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pub fn is_dead(&self, slot: Slot) -> Option<bool> {
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self.progress_map
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.get(&slot)
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.map(|fork_progress| fork_progress.is_dead)
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}
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pub fn get_hash(&self, slot: Slot) -> Option<Hash> {
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self.progress_map
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.get(&slot)
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.and_then(|fork_progress| fork_progress.fork_stats.bank_hash)
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}
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pub fn is_propagated(&self, slot: Slot) -> bool {
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let leader_slot_to_check = self.get_latest_leader_slot(slot);
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// prev_leader_slot doesn't exist because already rooted
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// or this validator hasn't been scheduled as a leader
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// yet. In both cases the latest leader is vacuously
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// confirmed
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leader_slot_to_check
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.map(|leader_slot_to_check| {
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// If the leader's stats are None (isn't in the
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// progress map), this means that prev_leader slot is
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// rooted, so return true
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self.get_propagated_stats(leader_slot_to_check)
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.map(|stats| stats.is_propagated)
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.unwrap_or(true)
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})
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.unwrap_or(true)
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}
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pub fn get_latest_leader_slot(&self, slot: Slot) -> Option<Slot> {
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let propagated_stats = self
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.get_propagated_stats(slot)
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.expect("All frozen banks must exist in the Progress map");
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if propagated_stats.is_leader_slot {
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Some(slot)
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} else {
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propagated_stats.prev_leader_slot
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}
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}
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pub fn my_latest_landed_vote(&self, slot: Slot) -> Option<Slot> {
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self.progress_map
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.get(&slot)
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.and_then(|s| s.fork_stats.my_latest_landed_vote)
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}
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pub fn set_supermajority_confirmed_slot(&mut self, slot: Slot) {
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let slot_progress = self.get_mut(&slot).unwrap();
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slot_progress.fork_stats.is_supermajority_confirmed = true;
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}
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pub fn is_supermajority_confirmed(&self, slot: Slot) -> Option<bool> {
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self.progress_map
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.get(&slot)
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.map(|s| s.fork_stats.is_supermajority_confirmed)
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}
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pub fn get_bank_prev_leader_slot(&self, bank: &Bank) -> Option<Slot> {
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let parent_slot = bank.parent_slot();
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self.get_propagated_stats(parent_slot)
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.map(|stats| {
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if stats.is_leader_slot {
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Some(parent_slot)
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} else {
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stats.prev_leader_slot
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}
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})
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.unwrap_or(None)
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}
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pub fn handle_new_root(&mut self, bank_forks: &BankForks) {
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self.progress_map
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.retain(|k, _| bank_forks.get(*k).is_some());
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}
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pub fn log_propagated_stats(&self, slot: Slot, bank_forks: &RwLock<BankForks>) {
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if let Some(stats) = self.get_propagated_stats(slot) {
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info!(
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"Propagated stats:
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total staked: {},
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observed staked: {},
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vote pubkeys: {:?},
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node_pubkeys: {:?},
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slot: {},
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epoch: {:?}",
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stats.total_epoch_stake,
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stats.propagated_validators_stake,
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stats.propagated_validators,
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stats.propagated_node_ids,
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slot,
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bank_forks.read().unwrap().get(slot).map(|x| x.epoch()),
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);
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}
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}
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}
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#[cfg(test)]
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mod test {
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use super::*;
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#[test]
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fn test_add_vote_pubkey() {
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let mut stats = PropagatedStats::default();
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let mut vote_pubkey = solana_sdk::pubkey::new_rand();
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// Add a vote pubkey, the number of references in all_pubkeys
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// should be 2
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stats.add_vote_pubkey(vote_pubkey, 1);
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assert!(stats.propagated_validators.contains(&vote_pubkey));
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assert_eq!(stats.propagated_validators_stake, 1);
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// Adding it again should change no state since the key already existed
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stats.add_vote_pubkey(vote_pubkey, 1);
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assert!(stats.propagated_validators.contains(&vote_pubkey));
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assert_eq!(stats.propagated_validators_stake, 1);
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// Adding another pubkey should succeed
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vote_pubkey = solana_sdk::pubkey::new_rand();
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stats.add_vote_pubkey(vote_pubkey, 2);
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assert!(stats.propagated_validators.contains(&vote_pubkey));
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assert_eq!(stats.propagated_validators_stake, 3);
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}
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#[test]
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fn test_add_node_pubkey_internal() {
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let num_vote_accounts = 10;
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let staked_vote_accounts = 5;
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let vote_account_pubkeys: Vec<_> = std::iter::repeat_with(solana_sdk::pubkey::new_rand)
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.take(num_vote_accounts)
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|
.collect();
|
|
let epoch_vote_accounts: HashMap<_, _> = vote_account_pubkeys
|
|
.iter()
|
|
.skip(num_vote_accounts - staked_vote_accounts)
|
|
.map(|pubkey| (*pubkey, (1, ArcVoteAccount::default())))
|
|
.collect();
|
|
|
|
let mut stats = PropagatedStats::default();
|
|
let mut node_pubkey = solana_sdk::pubkey::new_rand();
|
|
|
|
// Add a vote pubkey, the number of references in all_pubkeys
|
|
// should be 2
|
|
stats.add_node_pubkey_internal(&node_pubkey, &vote_account_pubkeys, &epoch_vote_accounts);
|
|
assert!(stats.propagated_node_ids.contains(&node_pubkey));
|
|
assert_eq!(
|
|
stats.propagated_validators_stake,
|
|
staked_vote_accounts as u64
|
|
);
|
|
|
|
// Adding it again should not change any state
|
|
stats.add_node_pubkey_internal(&node_pubkey, &vote_account_pubkeys, &epoch_vote_accounts);
|
|
assert!(stats.propagated_node_ids.contains(&node_pubkey));
|
|
assert_eq!(
|
|
stats.propagated_validators_stake,
|
|
staked_vote_accounts as u64
|
|
);
|
|
|
|
// Adding another pubkey with same vote accounts should succeed, but stake
|
|
// shouldn't increase
|
|
node_pubkey = solana_sdk::pubkey::new_rand();
|
|
stats.add_node_pubkey_internal(&node_pubkey, &vote_account_pubkeys, &epoch_vote_accounts);
|
|
assert!(stats.propagated_node_ids.contains(&node_pubkey));
|
|
assert_eq!(
|
|
stats.propagated_validators_stake,
|
|
staked_vote_accounts as u64
|
|
);
|
|
|
|
// Adding another pubkey with different vote accounts should succeed
|
|
// and increase stake
|
|
node_pubkey = solana_sdk::pubkey::new_rand();
|
|
let vote_account_pubkeys: Vec<_> = std::iter::repeat_with(solana_sdk::pubkey::new_rand)
|
|
.take(num_vote_accounts)
|
|
.collect();
|
|
let epoch_vote_accounts: HashMap<_, _> = vote_account_pubkeys
|
|
.iter()
|
|
.skip(num_vote_accounts - staked_vote_accounts)
|
|
.map(|pubkey| (*pubkey, (1, ArcVoteAccount::default())))
|
|
.collect();
|
|
stats.add_node_pubkey_internal(&node_pubkey, &vote_account_pubkeys, &epoch_vote_accounts);
|
|
assert!(stats.propagated_node_ids.contains(&node_pubkey));
|
|
assert_eq!(
|
|
stats.propagated_validators_stake,
|
|
2 * staked_vote_accounts as u64
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_is_propagated_status_on_construction() {
|
|
// If the given ValidatorStakeInfo == None, then this is not
|
|
// a leader slot and is_propagated == false
|
|
let progress = ForkProgress::new(Hash::default(), Some(9), None, 0, 0);
|
|
assert!(!progress.propagated_stats.is_propagated);
|
|
|
|
// If the stake is zero, then threshold is always achieved
|
|
let progress = ForkProgress::new(
|
|
Hash::default(),
|
|
Some(9),
|
|
Some(ValidatorStakeInfo {
|
|
total_epoch_stake: 0,
|
|
..ValidatorStakeInfo::default()
|
|
}),
|
|
0,
|
|
0,
|
|
);
|
|
assert!(progress.propagated_stats.is_propagated);
|
|
|
|
// If the stake is non zero, then threshold is not achieved unless
|
|
// validator has enough stake by itself to pass threshold
|
|
let progress = ForkProgress::new(
|
|
Hash::default(),
|
|
Some(9),
|
|
Some(ValidatorStakeInfo {
|
|
total_epoch_stake: 2,
|
|
..ValidatorStakeInfo::default()
|
|
}),
|
|
0,
|
|
0,
|
|
);
|
|
assert!(!progress.propagated_stats.is_propagated);
|
|
|
|
// Give the validator enough stake by itself to pass threshold
|
|
let progress = ForkProgress::new(
|
|
Hash::default(),
|
|
Some(9),
|
|
Some(ValidatorStakeInfo {
|
|
stake: 1,
|
|
total_epoch_stake: 2,
|
|
..ValidatorStakeInfo::default()
|
|
}),
|
|
0,
|
|
0,
|
|
);
|
|
assert!(progress.propagated_stats.is_propagated);
|
|
|
|
// Check that the default ValidatorStakeInfo::default() constructs a ForkProgress
|
|
// with is_propagated == false, otherwise propagation tests will fail to run
|
|
// the proper checks (most will auto-pass without checking anything)
|
|
let progress = ForkProgress::new(
|
|
Hash::default(),
|
|
Some(9),
|
|
Some(ValidatorStakeInfo::default()),
|
|
0,
|
|
0,
|
|
);
|
|
assert!(!progress.propagated_stats.is_propagated);
|
|
}
|
|
|
|
#[test]
|
|
fn test_is_propagated() {
|
|
let mut progress_map = ProgressMap::default();
|
|
|
|
// Insert new ForkProgress for slot 10 (not a leader slot) and its
|
|
// previous leader slot 9 (leader slot)
|
|
progress_map.insert(10, ForkProgress::new(Hash::default(), Some(9), None, 0, 0));
|
|
progress_map.insert(
|
|
9,
|
|
ForkProgress::new(
|
|
Hash::default(),
|
|
None,
|
|
Some(ValidatorStakeInfo::default()),
|
|
0,
|
|
0,
|
|
),
|
|
);
|
|
|
|
// None of these slot have parents which are confirmed
|
|
assert!(!progress_map.is_propagated(9));
|
|
assert!(!progress_map.is_propagated(10));
|
|
|
|
// Insert new ForkProgress for slot 8 with no previous leader.
|
|
// The previous leader before 8, slot 7, does not exist in
|
|
// progress map, so is_propagated(8) should return true as
|
|
// this implies the parent is rooted
|
|
progress_map.insert(8, ForkProgress::new(Hash::default(), Some(7), None, 0, 0));
|
|
assert!(progress_map.is_propagated(8));
|
|
|
|
// If we set the is_propagated = true, is_propagated should return true
|
|
progress_map
|
|
.get_propagated_stats_mut(9)
|
|
.unwrap()
|
|
.is_propagated = true;
|
|
assert!(progress_map.is_propagated(9));
|
|
assert!(progress_map.get(&9).unwrap().propagated_stats.is_propagated);
|
|
|
|
// Because slot 9 is now confirmed, then slot 10 is also confirmed b/c 9
|
|
// is the last leader slot before 10
|
|
assert!(progress_map.is_propagated(10));
|
|
|
|
// If we make slot 10 a leader slot though, even though its previous
|
|
// leader slot 9 has been confirmed, slot 10 itself is not confirmed
|
|
progress_map
|
|
.get_propagated_stats_mut(10)
|
|
.unwrap()
|
|
.is_leader_slot = true;
|
|
assert!(!progress_map.is_propagated(10));
|
|
}
|
|
}
|