2022-06-22 10:17:43 -07:00
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//! Used to create minimal snapshots - separated here to keep accounts_db simpler
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use {
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crate::{
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2022-07-07 11:49:33 -07:00
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accounts_db::{AccountStorageEntry, AccountsDb, GetUniqueAccountsResult, PurgeStats},
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2022-06-22 10:17:43 -07:00
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bank::Bank,
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builtins, static_ids,
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},
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dashmap::DashSet,
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log::info,
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rayon::{
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iter::{IntoParallelIterator, IntoParallelRefIterator, ParallelIterator},
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prelude::ParallelSlice,
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},
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solana_measure::measure,
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solana_sdk::{
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account::ReadableAccount,
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account_utils::StateMut,
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bpf_loader_upgradeable::{self, UpgradeableLoaderState},
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clock::Slot,
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pubkey::Pubkey,
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sdk_ids,
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},
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std::{
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collections::HashSet,
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sync::{
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atomic::{AtomicUsize, Ordering},
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Arc, Mutex,
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},
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},
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};
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/// Used to modify bank and accounts_db to create a minimized snapshot
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pub struct SnapshotMinimizer<'a> {
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bank: &'a Bank,
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starting_slot: Slot,
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ending_slot: Slot,
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minimized_account_set: DashSet<Pubkey>,
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}
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impl<'a> SnapshotMinimizer<'a> {
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/// Removes all accounts not necessary for replaying slots in the range [starting_slot, ending_slot].
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/// `transaction_account_set` should contain accounts used in transactions in the slot range [starting_slot, ending_slot].
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/// This function will accumulate other accounts (rent colleciton, builtins, etc) necessary to replay transactions.
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///
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/// This function will modify accounts_db by removing accounts not needed to replay [starting_slot, ending_slot],
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/// and update the bank's capitalization.
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pub fn minimize(
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bank: &'a Bank,
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starting_slot: Slot,
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ending_slot: Slot,
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transaction_account_set: DashSet<Pubkey>,
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) {
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let minimizer = SnapshotMinimizer {
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bank,
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starting_slot,
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ending_slot,
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minimized_account_set: transaction_account_set,
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};
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minimizer.add_accounts(Self::get_active_bank_features, "active bank features");
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minimizer.add_accounts(Self::get_inactive_bank_features, "inactive bank features");
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minimizer.add_accounts(Self::get_builtins, "builtin accounts");
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minimizer.add_accounts(Self::get_static_runtime_accounts, "static runtime accounts");
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minimizer.add_accounts(Self::get_sdk_accounts, "sdk accounts");
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minimizer.add_accounts(
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Self::get_rent_collection_accounts,
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"rent collection accounts",
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);
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minimizer.add_accounts(Self::get_vote_accounts, "vote accounts");
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minimizer.add_accounts(Self::get_stake_accounts, "stake accounts");
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minimizer.add_accounts(Self::get_owner_accounts, "owner accounts");
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minimizer.add_accounts(Self::get_programdata_accounts, "programdata accounts");
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minimizer.minimize_accounts_db();
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// Update accounts_cache and capitalization
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minimizer.bank.force_flush_accounts_cache();
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minimizer.bank.set_capitalization();
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}
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/// Helper function to measure time and number of accounts added
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fn add_accounts<F>(&self, add_accounts_fn: F, name: &'static str)
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where
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F: Fn(&SnapshotMinimizer<'a>),
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{
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let initial_accounts_len = self.minimized_account_set.len();
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let (_, measure) = measure!(add_accounts_fn(self), name);
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let total_accounts_len = self.minimized_account_set.len();
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let added_accounts = total_accounts_len - initial_accounts_len;
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info!(
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"Added {added_accounts} {name} for total of {total_accounts_len} accounts. get {measure}"
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);
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}
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/// Used to get active bank feature accounts in `minimize`.
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fn get_active_bank_features(&self) {
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self.bank.feature_set.active.iter().for_each(|(pubkey, _)| {
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self.minimized_account_set.insert(*pubkey);
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});
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}
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/// Used to get inactive bank feature accounts in `minimize`
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fn get_inactive_bank_features(&self) {
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self.bank.feature_set.inactive.iter().for_each(|pubkey| {
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self.minimized_account_set.insert(*pubkey);
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});
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}
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/// Used to get builtin accounts in `minimize`
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fn get_builtins(&self) {
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builtins::get_pubkeys().iter().for_each(|pubkey| {
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self.minimized_account_set.insert(*pubkey);
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});
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}
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/// Used to get static runtime accounts in `minimize`
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fn get_static_runtime_accounts(&self) {
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static_ids::STATIC_IDS.iter().for_each(|pubkey| {
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self.minimized_account_set.insert(*pubkey);
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});
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}
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/// Used to get sdk accounts in `minimize`
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fn get_sdk_accounts(&self) {
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sdk_ids::SDK_IDS.iter().for_each(|pubkey| {
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self.minimized_account_set.insert(*pubkey);
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});
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}
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/// Used to get rent collection accounts in `minimize`
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/// Add all pubkeys we would collect rent from or rewrite to `minimized_account_set`.
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/// related to Bank::rent_collection_partitions
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fn get_rent_collection_accounts(&self) {
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let partitions = if !self.bank.use_fixed_collection_cycle() {
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self.bank
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.variable_cycle_partitions_between_slots(self.starting_slot, self.ending_slot)
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} else {
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self.bank
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.fixed_cycle_partitions_between_slots(self.starting_slot, self.ending_slot)
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};
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partitions.into_iter().for_each(|partition| {
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let subrange = Bank::pubkey_range_from_partition(partition);
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// This may be overkill since we just need the pubkeys and don't need to actually load the accounts.
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// Leaving it for now as this is only used by ledger-tool. If used in runtime, we will need to instead use
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// some of the guts of `load_to_collect_rent_eagerly`.
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self.bank
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.accounts()
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.load_to_collect_rent_eagerly(&self.bank.ancestors, subrange)
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.into_par_iter()
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.for_each(|(pubkey, ..)| {
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self.minimized_account_set.insert(pubkey);
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})
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});
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}
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/// Used to get vote and node pubkeys in `minimize`
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/// Add all pubkeys from vote accounts and nodes to `minimized_account_set`
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fn get_vote_accounts(&self) {
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self.bank
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.vote_accounts()
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.par_iter()
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.for_each(|(pubkey, (_stake, vote_account))| {
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self.minimized_account_set.insert(*pubkey);
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if let Ok(vote_state) = vote_account.vote_state().as_ref() {
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self.minimized_account_set.insert(vote_state.node_pubkey);
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}
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});
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}
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/// Used to get stake accounts in `minimize`
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/// Add all pubkeys from stake accounts to `minimized_account_set`
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fn get_stake_accounts(&self) {
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self.bank.get_stake_accounts(&self.minimized_account_set);
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}
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/// Used to get owner accounts in `minimize`
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/// For each account in `minimized_account_set` adds the owner account's pubkey to `minimized_account_set`.
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fn get_owner_accounts(&self) {
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let owner_accounts: HashSet<_> = self
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.minimized_account_set
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.par_iter()
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.filter_map(|pubkey| self.bank.get_account(&pubkey))
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.map(|account| *account.owner())
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.collect();
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owner_accounts.into_par_iter().for_each(|pubkey| {
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self.minimized_account_set.insert(pubkey);
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});
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}
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/// Used to get program data accounts in `minimize`
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/// For each upgradable bpf program, adds the programdata account pubkey to `minimized_account_set`
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fn get_programdata_accounts(&self) {
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let programdata_accounts: HashSet<_> = self
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.minimized_account_set
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.par_iter()
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.filter_map(|pubkey| self.bank.get_account(&pubkey))
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.filter(|account| account.executable())
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.filter(|account| bpf_loader_upgradeable::check_id(account.owner()))
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.filter_map(|account| {
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if let Ok(UpgradeableLoaderState::Program {
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programdata_address,
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}) = account.state()
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{
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Some(programdata_address)
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} else {
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None
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}
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})
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.collect();
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programdata_accounts.into_par_iter().for_each(|pubkey| {
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self.minimized_account_set.insert(pubkey);
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});
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}
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/// Remove accounts not in `minimized_accoun_set` from accounts_db
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fn minimize_accounts_db(&self) {
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let (minimized_slot_set, minimized_slot_set_measure) =
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measure!(self.get_minimized_slot_set(), "generate minimized slot set");
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info!("{minimized_slot_set_measure}");
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let ((dead_slots, dead_storages), process_snapshot_storages_measure) = measure!(
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self.process_snapshot_storages(minimized_slot_set),
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"process snapshot storages"
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);
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info!("{process_snapshot_storages_measure}");
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// Avoid excessive logging
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self.accounts_db()
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.log_dead_slots
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.store(false, Ordering::Relaxed);
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let (_, purge_dead_slots_measure) =
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measure!(self.purge_dead_slots(dead_slots), "purge dead slots");
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info!("{purge_dead_slots_measure}");
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let (_, drop_or_recycle_stores_measure) = measure!(
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self.accounts_db().drop_or_recycle_stores(dead_storages),
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"drop or recycle stores"
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);
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info!("{drop_or_recycle_stores_measure}");
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// Turn logging back on after minimization
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self.accounts_db()
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.log_dead_slots
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.store(true, Ordering::Relaxed);
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}
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/// Determines minimum set of slots that accounts in `minimized_account_set` are in
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fn get_minimized_slot_set(&self) -> DashSet<Slot> {
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let minimized_slot_set = DashSet::new();
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self.minimized_account_set.par_iter().for_each(|pubkey| {
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if let Some(read_entry) = self
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.accounts_db()
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.accounts_index
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.get_account_read_entry(&pubkey)
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{
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if let Some(max_slot) = read_entry.slot_list().iter().map(|(slot, _)| *slot).max() {
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minimized_slot_set.insert(max_slot);
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}
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}
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});
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minimized_slot_set
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}
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/// Process all snapshot storages to during `minimize`
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fn process_snapshot_storages(
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&self,
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minimized_slot_set: DashSet<Slot>,
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) -> (Vec<Slot>, Vec<Arc<AccountStorageEntry>>) {
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let snapshot_storages = self
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.accounts_db()
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.get_snapshot_storages(self.starting_slot, None, None)
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.0;
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let dead_slots = Mutex::new(Vec::new());
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let dead_storages = Mutex::new(Vec::new());
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snapshot_storages.into_par_iter().for_each(|storages| {
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let slot = storages.first().unwrap().slot();
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if slot != self.starting_slot {
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if minimized_slot_set.contains(&slot) {
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self.filter_storages(storages, &dead_storages);
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} else {
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dead_slots.lock().unwrap().push(slot);
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}
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}
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});
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let dead_slots = dead_slots.into_inner().unwrap();
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let dead_storages = dead_storages.into_inner().unwrap();
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(dead_slots, dead_storages)
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}
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/// Creates new storage replacing `storages` that contains only accounts in `minimized_account_set`.
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fn filter_storages(
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&self,
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storages: Vec<Arc<AccountStorageEntry>>,
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dead_storages: &Mutex<Vec<Arc<AccountStorageEntry>>>,
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) {
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let slot = storages.first().unwrap().slot();
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2022-07-07 11:49:33 -07:00
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let GetUniqueAccountsResult {
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stored_accounts, ..
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} = self
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.accounts_db()
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.get_unique_accounts_from_storages(storages.iter());
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let mut stored_accounts = stored_accounts.into_iter().collect::<Vec<_>>();
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stored_accounts.sort_unstable_by(|a, b| a.0.cmp(&b.0));
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let keep_accounts_collect = Mutex::new(Vec::with_capacity(stored_accounts.len()));
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let purge_pubkeys_collect = Mutex::new(Vec::with_capacity(stored_accounts.len()));
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let total_bytes_collect = AtomicUsize::new(0);
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const CHUNK_SIZE: usize = 50;
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stored_accounts.par_chunks(CHUNK_SIZE).for_each(|chunk| {
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let mut chunk_bytes = 0;
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let mut keep_accounts = Vec::with_capacity(CHUNK_SIZE);
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let mut purge_pubkeys = Vec::with_capacity(CHUNK_SIZE);
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chunk.iter().for_each(|(pubkey, account)| {
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if self.minimized_account_set.contains(pubkey) {
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chunk_bytes += account.account_size;
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keep_accounts.push((pubkey, account));
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} else if self
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.accounts_db()
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.accounts_index
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.get_account_read_entry(pubkey)
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.is_some()
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{
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purge_pubkeys.push(pubkey);
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}
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});
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keep_accounts_collect
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.lock()
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.unwrap()
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.append(&mut keep_accounts);
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purge_pubkeys_collect
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.lock()
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.unwrap()
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.append(&mut purge_pubkeys);
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total_bytes_collect.fetch_add(chunk_bytes, Ordering::Relaxed);
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});
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let keep_accounts = keep_accounts_collect.into_inner().unwrap();
|
|
|
|
let remove_pubkeys = purge_pubkeys_collect.into_inner().unwrap();
|
|
|
|
let total_bytes = total_bytes_collect.load(Ordering::Relaxed);
|
|
|
|
|
|
|
|
let purge_pubkeys: Vec<_> = remove_pubkeys
|
|
|
|
.into_iter()
|
|
|
|
.map(|pubkey| (*pubkey, slot))
|
|
|
|
.collect();
|
|
|
|
self.accounts_db().purge_keys_exact(purge_pubkeys.iter());
|
|
|
|
|
|
|
|
let aligned_total: u64 = AccountsDb::page_align(total_bytes as u64);
|
|
|
|
if aligned_total > 0 {
|
|
|
|
let mut accounts = Vec::with_capacity(keep_accounts.len());
|
|
|
|
let mut hashes = Vec::with_capacity(keep_accounts.len());
|
|
|
|
let mut write_versions = Vec::with_capacity(keep_accounts.len());
|
|
|
|
|
|
|
|
for (pubkey, alive_account) in keep_accounts {
|
|
|
|
accounts.push((pubkey, &alive_account.account));
|
|
|
|
hashes.push(alive_account.account.hash);
|
|
|
|
write_versions.push(alive_account.account.meta.write_version);
|
|
|
|
}
|
|
|
|
|
|
|
|
let (new_storage, _time) = self.accounts_db().get_store_for_shrink(slot, aligned_total);
|
|
|
|
|
|
|
|
self.accounts_db().store_accounts_frozen(
|
|
|
|
(slot, &accounts[..]),
|
|
|
|
Some(&hashes),
|
|
|
|
Some(&new_storage),
|
|
|
|
Some(Box::new(write_versions.into_iter())),
|
|
|
|
);
|
|
|
|
|
|
|
|
new_storage.flush().unwrap();
|
|
|
|
}
|
|
|
|
|
|
|
|
let append_vec_set: HashSet<_> = storages
|
|
|
|
.iter()
|
|
|
|
.map(|storage| storage.append_vec_id())
|
|
|
|
.collect();
|
|
|
|
self.accounts_db().mark_dirty_dead_stores(
|
|
|
|
slot,
|
|
|
|
&mut dead_storages.lock().unwrap(),
|
|
|
|
|store| !append_vec_set.contains(&store.append_vec_id()),
|
|
|
|
);
|
|
|
|
}
|
|
|
|
|
|
|
|
/// Purge dead slots from storage and cache
|
|
|
|
fn purge_dead_slots(&self, dead_slots: Vec<Slot>) {
|
|
|
|
let stats = PurgeStats::default();
|
|
|
|
self.accounts_db()
|
|
|
|
.purge_slots_from_cache_and_store(dead_slots.iter(), &stats, false);
|
|
|
|
}
|
|
|
|
|
|
|
|
/// Convenience function for getting accounts_db
|
|
|
|
fn accounts_db(&self) -> &AccountsDb {
|
|
|
|
&self.bank.rc.accounts.accounts_db
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
#[cfg(test)]
|
|
|
|
mod tests {
|
|
|
|
use {
|
|
|
|
crate::{
|
|
|
|
append_vec::AppendVecAccountsIter, bank::Bank,
|
|
|
|
genesis_utils::create_genesis_config_with_leader,
|
|
|
|
snapshot_minimizer::SnapshotMinimizer,
|
|
|
|
},
|
|
|
|
dashmap::DashSet,
|
|
|
|
solana_sdk::{
|
|
|
|
account::{AccountSharedData, ReadableAccount, WritableAccount},
|
|
|
|
bpf_loader_upgradeable::{self, UpgradeableLoaderState},
|
2022-06-24 06:22:50 -07:00
|
|
|
genesis_config::{create_genesis_config, GenesisConfig},
|
2022-06-22 10:17:43 -07:00
|
|
|
pubkey::Pubkey,
|
|
|
|
signer::Signer,
|
|
|
|
stake,
|
|
|
|
},
|
|
|
|
std::sync::Arc,
|
|
|
|
};
|
|
|
|
|
|
|
|
#[test]
|
|
|
|
fn test_get_rent_collection_accounts() {
|
|
|
|
solana_logger::setup();
|
|
|
|
|
2022-06-24 06:22:50 -07:00
|
|
|
let genesis_config = GenesisConfig::default();
|
2022-06-22 10:17:43 -07:00
|
|
|
let bank = Arc::new(Bank::new_for_tests(&genesis_config));
|
|
|
|
|
|
|
|
// Slots correspond to subrange: A52Kf8KJNVhs1y61uhkzkSF82TXCLxZekqmFwiFXLnHu..=ChWNbfHUHLvFY3uhXj6kQhJ7a9iZB4ykh34WRGS5w9NE
|
|
|
|
// Initially, there are no existing keys in this range
|
|
|
|
{
|
|
|
|
let minimizer = SnapshotMinimizer {
|
|
|
|
bank: &bank,
|
|
|
|
starting_slot: 100_000,
|
|
|
|
ending_slot: 110_000,
|
|
|
|
minimized_account_set: DashSet::new(),
|
|
|
|
};
|
|
|
|
minimizer.get_rent_collection_accounts();
|
|
|
|
assert!(
|
|
|
|
minimizer.minimized_account_set.is_empty(),
|
|
|
|
"rent collection accounts should be empty: len={}",
|
|
|
|
minimizer.minimized_account_set.len()
|
|
|
|
);
|
|
|
|
}
|
|
|
|
|
|
|
|
// Add a key in the subrange
|
|
|
|
let pubkey: Pubkey = "ChWNbfHUHLvFY3uhXj6kQhJ7a9iZB4ykh34WRGS5w9ND"
|
|
|
|
.parse()
|
|
|
|
.unwrap();
|
|
|
|
bank.store_account(&pubkey, &AccountSharedData::new(1, 0, &Pubkey::default()));
|
|
|
|
|
|
|
|
{
|
|
|
|
let minimizer = SnapshotMinimizer {
|
|
|
|
bank: &bank,
|
|
|
|
starting_slot: 100_000,
|
|
|
|
ending_slot: 110_000,
|
|
|
|
minimized_account_set: DashSet::new(),
|
|
|
|
};
|
|
|
|
minimizer.get_rent_collection_accounts();
|
|
|
|
assert_eq!(
|
|
|
|
1,
|
|
|
|
minimizer.minimized_account_set.len(),
|
|
|
|
"rent collection accounts should have len=1: len={}",
|
|
|
|
minimizer.minimized_account_set.len()
|
|
|
|
);
|
|
|
|
assert!(minimizer.minimized_account_set.contains(&pubkey));
|
|
|
|
}
|
|
|
|
|
|
|
|
// Slots correspond to subrange: ChXFtoKuDvQum4HvtgiqGWrgUYbtP1ZzGFGMnT8FuGaB..=FKzRYCFeCC8e48jP9kSW4xM77quv1BPrdEMktpceXWSa
|
|
|
|
// The previous key is not contained in this range, so is not added
|
|
|
|
{
|
|
|
|
let minimizer = SnapshotMinimizer {
|
|
|
|
bank: &bank,
|
|
|
|
starting_slot: 110_001,
|
|
|
|
ending_slot: 120_000,
|
|
|
|
minimized_account_set: DashSet::new(),
|
|
|
|
};
|
|
|
|
assert!(
|
|
|
|
minimizer.minimized_account_set.is_empty(),
|
|
|
|
"rent collection accounts should be empty: len={}",
|
|
|
|
minimizer.minimized_account_set.len()
|
|
|
|
);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
#[test]
|
|
|
|
fn test_minimization_get_vote_accounts() {
|
|
|
|
solana_logger::setup();
|
|
|
|
|
|
|
|
let bootstrap_validator_pubkey = solana_sdk::pubkey::new_rand();
|
|
|
|
let bootstrap_validator_stake_lamports = 30;
|
|
|
|
let genesis_config_info = create_genesis_config_with_leader(
|
|
|
|
10,
|
|
|
|
&bootstrap_validator_pubkey,
|
|
|
|
bootstrap_validator_stake_lamports,
|
|
|
|
);
|
|
|
|
|
|
|
|
let bank = Arc::new(Bank::new_for_tests(&genesis_config_info.genesis_config));
|
|
|
|
|
|
|
|
let minimizer = SnapshotMinimizer {
|
|
|
|
bank: &bank,
|
|
|
|
starting_slot: 0,
|
|
|
|
ending_slot: 0,
|
|
|
|
minimized_account_set: DashSet::new(),
|
|
|
|
};
|
|
|
|
minimizer.get_vote_accounts();
|
|
|
|
|
|
|
|
assert!(minimizer
|
|
|
|
.minimized_account_set
|
|
|
|
.contains(&genesis_config_info.voting_keypair.pubkey()));
|
|
|
|
assert!(minimizer
|
|
|
|
.minimized_account_set
|
|
|
|
.contains(&genesis_config_info.validator_pubkey));
|
|
|
|
}
|
|
|
|
|
|
|
|
#[test]
|
|
|
|
fn test_minimization_get_stake_accounts() {
|
|
|
|
solana_logger::setup();
|
|
|
|
|
|
|
|
let bootstrap_validator_pubkey = solana_sdk::pubkey::new_rand();
|
|
|
|
let bootstrap_validator_stake_lamports = 30;
|
|
|
|
let genesis_config_info = create_genesis_config_with_leader(
|
|
|
|
10,
|
|
|
|
&bootstrap_validator_pubkey,
|
|
|
|
bootstrap_validator_stake_lamports,
|
|
|
|
);
|
|
|
|
|
|
|
|
let bank = Arc::new(Bank::new_for_tests(&genesis_config_info.genesis_config));
|
|
|
|
let minimizer = SnapshotMinimizer {
|
|
|
|
bank: &bank,
|
|
|
|
starting_slot: 0,
|
|
|
|
ending_slot: 0,
|
|
|
|
minimized_account_set: DashSet::new(),
|
|
|
|
};
|
|
|
|
minimizer.get_stake_accounts();
|
|
|
|
|
|
|
|
let mut expected_stake_accounts: Vec<_> = genesis_config_info
|
|
|
|
.genesis_config
|
|
|
|
.accounts
|
|
|
|
.iter()
|
|
|
|
.filter_map(|(pubkey, account)| {
|
|
|
|
stake::program::check_id(account.owner()).then(|| *pubkey)
|
|
|
|
})
|
|
|
|
.collect();
|
|
|
|
expected_stake_accounts.push(bootstrap_validator_pubkey);
|
|
|
|
|
|
|
|
assert_eq!(
|
|
|
|
minimizer.minimized_account_set.len(),
|
|
|
|
expected_stake_accounts.len()
|
|
|
|
);
|
|
|
|
for stake_pubkey in expected_stake_accounts {
|
|
|
|
assert!(minimizer.minimized_account_set.contains(&stake_pubkey));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
#[test]
|
|
|
|
fn test_minimization_get_owner_accounts() {
|
|
|
|
solana_logger::setup();
|
|
|
|
|
|
|
|
let (genesis_config, _) = create_genesis_config(1_000_000);
|
|
|
|
let bank = Arc::new(Bank::new_for_tests(&genesis_config));
|
|
|
|
|
|
|
|
let pubkey = solana_sdk::pubkey::new_rand();
|
|
|
|
let owner_pubkey = solana_sdk::pubkey::new_rand();
|
|
|
|
bank.store_account(&pubkey, &AccountSharedData::new(1, 0, &owner_pubkey));
|
|
|
|
|
|
|
|
let owner_accounts = DashSet::new();
|
|
|
|
owner_accounts.insert(pubkey);
|
|
|
|
let minimizer = SnapshotMinimizer {
|
|
|
|
bank: &bank,
|
|
|
|
starting_slot: 0,
|
|
|
|
ending_slot: 0,
|
|
|
|
minimized_account_set: owner_accounts,
|
|
|
|
};
|
|
|
|
|
|
|
|
minimizer.get_owner_accounts();
|
|
|
|
assert!(minimizer.minimized_account_set.contains(&pubkey));
|
|
|
|
assert!(minimizer.minimized_account_set.contains(&owner_pubkey));
|
|
|
|
}
|
|
|
|
|
|
|
|
#[test]
|
|
|
|
fn test_minimization_add_programdata_accounts() {
|
|
|
|
solana_logger::setup();
|
|
|
|
|
|
|
|
let (genesis_config, _) = create_genesis_config(1_000_000);
|
|
|
|
let bank = Arc::new(Bank::new_for_tests(&genesis_config));
|
|
|
|
|
|
|
|
let non_program_id = solana_sdk::pubkey::new_rand();
|
|
|
|
let program_id = solana_sdk::pubkey::new_rand();
|
|
|
|
let programdata_address = solana_sdk::pubkey::new_rand();
|
|
|
|
|
|
|
|
let program = UpgradeableLoaderState::Program {
|
|
|
|
programdata_address,
|
|
|
|
};
|
|
|
|
|
|
|
|
let non_program_acount = AccountSharedData::new(1, 0, &non_program_id);
|
|
|
|
let mut program_account =
|
|
|
|
AccountSharedData::new_data(40, &program, &bpf_loader_upgradeable::id()).unwrap();
|
|
|
|
program_account.set_executable(true);
|
|
|
|
|
|
|
|
bank.store_account(&non_program_id, &non_program_acount);
|
|
|
|
bank.store_account(&program_id, &program_account);
|
|
|
|
|
|
|
|
// Non-program account does not add any additional keys
|
|
|
|
let programdata_accounts = DashSet::new();
|
|
|
|
programdata_accounts.insert(non_program_id);
|
|
|
|
let minimizer = SnapshotMinimizer {
|
|
|
|
bank: &bank,
|
|
|
|
starting_slot: 0,
|
|
|
|
ending_slot: 0,
|
|
|
|
minimized_account_set: programdata_accounts,
|
|
|
|
};
|
|
|
|
minimizer.get_programdata_accounts();
|
|
|
|
assert_eq!(minimizer.minimized_account_set.len(), 1);
|
|
|
|
assert!(minimizer.minimized_account_set.contains(&non_program_id));
|
|
|
|
|
|
|
|
// Programdata account adds the programdata address to the set
|
|
|
|
minimizer.minimized_account_set.insert(program_id);
|
|
|
|
minimizer.get_programdata_accounts();
|
|
|
|
assert_eq!(minimizer.minimized_account_set.len(), 3);
|
|
|
|
assert!(minimizer.minimized_account_set.contains(&non_program_id));
|
|
|
|
assert!(minimizer.minimized_account_set.contains(&program_id));
|
|
|
|
assert!(minimizer
|
|
|
|
.minimized_account_set
|
|
|
|
.contains(&programdata_address));
|
|
|
|
}
|
|
|
|
|
|
|
|
#[test]
|
|
|
|
fn test_minimize_accounts_db() {
|
|
|
|
solana_logger::setup();
|
|
|
|
|
|
|
|
let (genesis_config, _) = create_genesis_config(1_000_000);
|
|
|
|
let bank = Arc::new(Bank::new_for_tests(&genesis_config));
|
|
|
|
let accounts = &bank.accounts().accounts_db;
|
|
|
|
|
|
|
|
let num_slots = 5;
|
|
|
|
let num_accounts_per_slot = 300;
|
|
|
|
|
|
|
|
let mut current_slot = 0;
|
|
|
|
let minimized_account_set = DashSet::new();
|
|
|
|
for _ in 0..num_slots {
|
|
|
|
let pubkeys: Vec<_> = (0..num_accounts_per_slot)
|
|
|
|
.map(|_| solana_sdk::pubkey::new_rand())
|
|
|
|
.collect();
|
|
|
|
|
|
|
|
let some_lamport = 223;
|
|
|
|
let no_data = 0;
|
|
|
|
let owner = *AccountSharedData::default().owner();
|
|
|
|
let account = AccountSharedData::new(some_lamport, no_data, &owner);
|
|
|
|
|
|
|
|
current_slot += 1;
|
|
|
|
|
|
|
|
for (index, pubkey) in pubkeys.iter().enumerate() {
|
|
|
|
accounts.store_uncached(current_slot, &[(pubkey, &account)]);
|
|
|
|
|
|
|
|
if current_slot % 2 == 0 && index % 100 == 0 {
|
|
|
|
minimized_account_set.insert(*pubkey);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
accounts.get_accounts_delta_hash(current_slot);
|
|
|
|
accounts.add_root(current_slot);
|
|
|
|
}
|
|
|
|
|
|
|
|
assert_eq!(minimized_account_set.len(), 6);
|
|
|
|
let minimizer = SnapshotMinimizer {
|
|
|
|
bank: &bank,
|
|
|
|
starting_slot: current_slot,
|
|
|
|
ending_slot: current_slot,
|
|
|
|
minimized_account_set,
|
|
|
|
};
|
|
|
|
minimizer.minimize_accounts_db();
|
|
|
|
|
|
|
|
let snapshot_storages = accounts.get_snapshot_storages(current_slot, None, None).0;
|
|
|
|
assert_eq!(snapshot_storages.len(), 3);
|
|
|
|
|
|
|
|
let mut account_count = 0;
|
|
|
|
snapshot_storages.into_iter().for_each(|storages| {
|
|
|
|
storages.into_iter().for_each(|storage| {
|
|
|
|
account_count += AppendVecAccountsIter::new(&storage.accounts).count();
|
|
|
|
});
|
|
|
|
});
|
|
|
|
|
|
|
|
assert_eq!(
|
|
|
|
account_count,
|
|
|
|
minimizer.minimized_account_set.len() + num_accounts_per_slot
|
|
|
|
); // snapshot slot is untouched, so still has all 300 accounts
|
|
|
|
}
|
|
|
|
}
|