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solana/core/src/validator.rs

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//! The `validator` module hosts all the validator microservices.
use crate::{
broadcast_stage::BroadcastStageType,
cluster_info::{ClusterInfo, Node},
cluster_info_vote_listener::VoteTracker,
commitment::BlockCommitmentCache,
contact_info::ContactInfo,
gossip_service::{discover_cluster, GossipService},
poh_recorder::{PohRecorder, GRACE_TICKS_FACTOR, MAX_GRACE_SLOTS},
poh_service::PohService,
rewards_recorder_service::RewardsRecorderService,
rpc::JsonRpcConfig,
rpc_pubsub_service::PubSubService,
rpc_service::JsonRpcService,
rpc_subscriptions::RpcSubscriptions,
serve_repair::ServeRepair,
serve_repair_service::ServeRepairService,
sigverify,
snapshot_packager_service::SnapshotPackagerService,
tpu::Tpu,
transaction_status_service::TransactionStatusService,
tvu::{Sockets, Tvu, TvuConfig},
};
use crossbeam_channel::unbounded;
use solana_ledger::{
bank_forks::{BankForks, SnapshotConfig},
bank_forks_utils,
blockstore::{Blockstore, CompletedSlotsReceiver},
blockstore_processor, create_new_tmp_ledger,
hardened_unpack::{open_genesis_config, MAX_GENESIS_ARCHIVE_UNPACKED_SIZE},
leader_schedule::FixedSchedule,
leader_schedule_cache::LeaderScheduleCache,
};
use solana_metrics::datapoint_info;
use solana_runtime::bank::Bank;
use solana_sdk::{
clock::Slot,
epoch_schedule::MAX_LEADER_SCHEDULE_EPOCH_OFFSET,
genesis_config::GenesisConfig,
hash::Hash,
pubkey::Pubkey,
shred_version::compute_shred_version,
signature::{Keypair, Signer},
timing::timestamp,
};
use std::{
collections::HashSet,
net::{IpAddr, Ipv4Addr, SocketAddr},
path::{Path, PathBuf},
process,
sync::atomic::{AtomicBool, Ordering},
sync::mpsc::Receiver,
sync::{mpsc::channel, Arc, Mutex, RwLock},
thread::{sleep, Result},
time::Duration,
};
#[derive(Clone, Debug)]
pub struct ValidatorConfig {
pub dev_halt_at_slot: Option<Slot>,
pub expected_genesis_hash: Option<Hash>,
pub expected_shred_version: Option<u16>,
pub voting_disabled: bool,
pub account_paths: Vec<PathBuf>,
pub rpc_config: JsonRpcConfig,
pub rpc_ports: Option<(u16, u16)>, // (API, PubSub)
pub snapshot_config: Option<SnapshotConfig>,
pub max_ledger_shreds: Option<u64>,
pub broadcast_stage_type: BroadcastStageType,
pub enable_partition: Option<Arc<AtomicBool>>,
pub fixed_leader_schedule: Option<FixedSchedule>,
pub wait_for_supermajority: Option<Slot>,
pub new_hard_forks: Option<Vec<Slot>>,
pub trusted_validators: Option<HashSet<Pubkey>>, // None = trust all
pub halt_on_trusted_validators_accounts_hash_mismatch: bool,
pub accounts_hash_fault_injection_slots: u64, // 0 = no fault injection
pub frozen_accounts: Vec<Pubkey>,
pub no_rocksdb_compaction: bool,
pub accounts_hash_interval_slots: u64,
pub max_genesis_archive_unpacked_size: u64,
}
impl Default for ValidatorConfig {
fn default() -> Self {
Self {
dev_halt_at_slot: None,
expected_genesis_hash: None,
expected_shred_version: None,
voting_disabled: false,
max_ledger_shreds: None,
account_paths: Vec::new(),
rpc_config: JsonRpcConfig::default(),
rpc_ports: None,
snapshot_config: None,
broadcast_stage_type: BroadcastStageType::Standard,
enable_partition: None,
fixed_leader_schedule: None,
wait_for_supermajority: None,
new_hard_forks: None,
trusted_validators: None,
halt_on_trusted_validators_accounts_hash_mismatch: false,
accounts_hash_fault_injection_slots: 0,
frozen_accounts: vec![],
no_rocksdb_compaction: false,
accounts_hash_interval_slots: std::u64::MAX,
max_genesis_archive_unpacked_size: MAX_GENESIS_ARCHIVE_UNPACKED_SIZE,
}
}
}
#[derive(Default)]
pub struct ValidatorExit {
exits: Vec<Box<dyn FnOnce() + Send + Sync>>,
}
impl ValidatorExit {
pub fn register_exit(&mut self, exit: Box<dyn FnOnce() -> () + Send + Sync>) {
self.exits.push(exit);
}
pub fn exit(self) {
for exit in self.exits {
exit();
}
}
}
pub struct Validator {
pub id: Pubkey,
validator_exit: Arc<RwLock<Option<ValidatorExit>>>,
rpc_service: Option<(JsonRpcService, PubSubService)>,
transaction_status_service: Option<TransactionStatusService>,
rewards_recorder_service: Option<RewardsRecorderService>,
gossip_service: GossipService,
serve_repair_service: ServeRepairService,
snapshot_packager_service: Option<SnapshotPackagerService>,
poh_recorder: Arc<Mutex<PohRecorder>>,
poh_service: PohService,
tpu: Tpu,
tvu: Tvu,
ip_echo_server: solana_net_utils::IpEchoServer,
}
impl Validator {
#[allow(clippy::cognitive_complexity)]
pub fn new(
mut node: Node,
keypair: &Arc<Keypair>,
ledger_path: &Path,
vote_account: &Pubkey,
mut authorized_voter_keypairs: Vec<Arc<Keypair>>,
entrypoint_info_option: Option<&ContactInfo>,
poh_verify: bool,
config: &ValidatorConfig,
) -> Self {
let id = keypair.pubkey();
assert_eq!(id, node.info.id);
warn!("identity: {}", id);
warn!("vote account: {}", vote_account);
if config.voting_disabled {
warn!("voting disabled");
authorized_voter_keypairs.clear();
} else {
for authorized_voter_keypair in &authorized_voter_keypairs {
warn!("authorized voter: {}", authorized_voter_keypair.pubkey());
}
}
report_target_features();
info!("entrypoint: {:?}", entrypoint_info_option);
info!("Initializing sigverify, this could take a while...");
sigverify::init();
info!("Done.");
info!("creating bank...");
let (
genesis_config,
bank_forks,
blockstore,
ledger_signal_receiver,
completed_slots_receiver,
leader_schedule_cache,
snapshot_hash,
) = new_banks_from_blockstore(config, ledger_path, poh_verify);
let leader_schedule_cache = Arc::new(leader_schedule_cache);
let exit = Arc::new(AtomicBool::new(false));
let bank = bank_forks.working_bank();
let bank_forks = Arc::new(RwLock::new(bank_forks));
info!("Starting validator from slot {}", bank.slot());
{
let hard_forks: Vec<_> = bank.hard_forks().read().unwrap().iter().copied().collect();
if !hard_forks.is_empty() {
info!("Hard forks: {:?}", hard_forks);
}
}
let mut validator_exit = ValidatorExit::default();
let exit_ = exit.clone();
validator_exit.register_exit(Box::new(move || exit_.store(true, Ordering::Relaxed)));
let validator_exit = Arc::new(RwLock::new(Some(validator_exit)));
node.info.wallclock = timestamp();
node.info.shred_version = compute_shred_version(
&genesis_config.hash(),
Some(&bank.hard_forks().read().unwrap()),
);
Self::print_node_info(&node);
if let Some(expected_shred_version) = config.expected_shred_version {
if expected_shred_version != node.info.shred_version {
error!(
"shred version mismatch: expected {}",
expected_shred_version
);
process::exit(1);
}
}
let cluster_info = Arc::new(ClusterInfo::new(node.info.clone(), keypair.clone()));
let blockstore = Arc::new(blockstore);
let block_commitment_cache = Arc::new(RwLock::new(
BlockCommitmentCache::default_with_blockstore(blockstore.clone()),
));
let subscriptions = Arc::new(RpcSubscriptions::new(
&exit,
bank_forks.clone(),
block_commitment_cache.clone(),
));
let rpc_service = config.rpc_ports.map(|(rpc_port, rpc_pubsub_port)| {
if ContactInfo::is_valid_address(&node.info.rpc) {
assert!(ContactInfo::is_valid_address(&node.info.rpc_pubsub));
assert_eq!(rpc_port, node.info.rpc.port());
assert_eq!(rpc_pubsub_port, node.info.rpc_pubsub.port());
} else {
assert!(!ContactInfo::is_valid_address(&node.info.rpc_pubsub));
}
(
JsonRpcService::new(
SocketAddr::new(IpAddr::V4(Ipv4Addr::new(0, 0, 0, 0)), rpc_port),
config.rpc_config.clone(),
config.snapshot_config.clone(),
bank_forks.clone(),
block_commitment_cache.clone(),
blockstore.clone(),
cluster_info.clone(),
genesis_config.hash(),
ledger_path,
validator_exit.clone(),
config.trusted_validators.clone(),
),
PubSubService::new(
&subscriptions,
SocketAddr::new(IpAddr::V4(Ipv4Addr::new(0, 0, 0, 0)), rpc_pubsub_port),
&exit,
),
)
});
let (transaction_status_sender, transaction_status_service) =
if rpc_service.is_some() && config.rpc_config.enable_rpc_transaction_history {
let (transaction_status_sender, transaction_status_receiver) = unbounded();
(
Some(transaction_status_sender),
Some(TransactionStatusService::new(
transaction_status_receiver,
blockstore.clone(),
&exit,
)),
)
} else {
(None, None)
};
let (rewards_recorder_sender, rewards_recorder_service) =
if rpc_service.is_some() && config.rpc_config.enable_rpc_transaction_history {
let (rewards_recorder_sender, rewards_receiver) = unbounded();
(
Some(rewards_recorder_sender),
Some(RewardsRecorderService::new(
rewards_receiver,
blockstore.clone(),
&exit,
)),
)
} else {
(None, None)
};
info!(
"Starting PoH: epoch={} slot={} tick_height={} blockhash={} leader={:?}",
bank.epoch(),
bank.slot(),
bank.tick_height(),
bank.last_blockhash(),
leader_schedule_cache.slot_leader_at(bank.slot(), Some(&bank))
);
if config.dev_halt_at_slot.is_some() {
// Park with the RPC service running, ready for inspection!
warn!("Validator halted");
std::thread::park();
}
let poh_config = Arc::new(genesis_config.poh_config);
let (mut poh_recorder, entry_receiver) = PohRecorder::new_with_clear_signal(
bank.tick_height(),
bank.last_blockhash(),
bank.slot(),
leader_schedule_cache.next_leader_slot(
&id,
bank.slot(),
&bank,
Some(&blockstore),
GRACE_TICKS_FACTOR * MAX_GRACE_SLOTS,
),
bank.ticks_per_slot(),
&id,
&blockstore,
blockstore.new_shreds_signals.first().cloned(),
&leader_schedule_cache,
&poh_config,
);
if config.snapshot_config.is_some() {
poh_recorder.set_bank(&bank);
}
let poh_recorder = Arc::new(Mutex::new(poh_recorder));
let ip_echo_server = solana_net_utils::ip_echo_server(node.sockets.ip_echo.unwrap());
let gossip_service = GossipService::new(
&cluster_info,
Some(bank_forks.clone()),
node.sockets.gossip,
&exit,
);
let serve_repair = Arc::new(RwLock::new(ServeRepair::new(cluster_info.clone())));
let serve_repair_service = ServeRepairService::new(
&serve_repair,
Some(blockstore.clone()),
node.sockets.serve_repair,
&exit,
);
// Insert the entrypoint info, should only be None if this node
// is the bootstrap validator
if let Some(entrypoint_info) = entrypoint_info_option {
cluster_info.set_entrypoint(entrypoint_info.clone());
}
let (snapshot_packager_service, snapshot_package_sender) =
if config.snapshot_config.is_some() {
// Start a snapshot packaging service
let (sender, receiver) = channel();
let snapshot_packager_service =
SnapshotPackagerService::new(receiver, snapshot_hash, &exit, &cluster_info);
(Some(snapshot_packager_service), Some(sender))
} else {
(None, None)
};
wait_for_supermajority(config, &bank, &cluster_info);
let poh_service = PohService::new(poh_recorder.clone(), &poh_config, &exit);
assert_eq!(
blockstore.new_shreds_signals.len(),
1,
"New shred signal for the TVU should be the same as the clear bank signal."
);
let vote_tracker = Arc::new(VoteTracker::new(bank_forks.read().unwrap().root_bank()));
let (retransmit_slots_sender, retransmit_slots_receiver) = unbounded();
let tvu = Tvu::new(
vote_account,
authorized_voter_keypairs,
&bank_forks,
&cluster_info,
Sockets {
repair: node
.sockets
.repair
.try_clone()
.expect("Failed to clone repair socket"),
retransmit: node
.sockets
.retransmit_sockets
.iter()
.map(|s| s.try_clone().expect("Failed to clone retransmit socket"))
.collect(),
fetch: node
.sockets
.tvu
.iter()
.map(|s| s.try_clone().expect("Failed to clone TVU Sockets"))
.collect(),
forwards: node
.sockets
.tvu_forwards
.iter()
.map(|s| s.try_clone().expect("Failed to clone TVU forwards Sockets"))
.collect(),
},
blockstore.clone(),
ledger_signal_receiver,
&subscriptions,
&poh_recorder,
&leader_schedule_cache,
&exit,
completed_slots_receiver,
block_commitment_cache,
config.enable_partition.clone(),
transaction_status_sender.clone(),
rewards_recorder_sender,
snapshot_package_sender,
vote_tracker.clone(),
retransmit_slots_sender,
TvuConfig {
max_ledger_shreds: config.max_ledger_shreds,
halt_on_trusted_validators_accounts_hash_mismatch: config
.halt_on_trusted_validators_accounts_hash_mismatch,
shred_version: node.info.shred_version,
trusted_validators: config.trusted_validators.clone(),
accounts_hash_fault_injection_slots: config.accounts_hash_fault_injection_slots,
},
);
let tpu = Tpu::new(
&cluster_info,
&poh_recorder,
entry_receiver,
retransmit_slots_receiver,
node.sockets.tpu,
node.sockets.tpu_forwards,
node.sockets.broadcast,
transaction_status_sender,
&blockstore,
&config.broadcast_stage_type,
&exit,
node.info.shred_version,
vote_tracker,
bank_forks,
);
datapoint_info!("validator-new", ("id", id.to_string(), String));
Self {
id,
gossip_service,
serve_repair_service,
rpc_service,
transaction_status_service,
rewards_recorder_service,
snapshot_packager_service,
tpu,
tvu,
poh_service,
poh_recorder,
ip_echo_server,
validator_exit,
}
}
// Used for notifying many nodes in parallel to exit
pub fn exit(&mut self) {
if let Some(x) = self.validator_exit.write().unwrap().take() {
x.exit()
}
}
pub fn close(mut self) -> Result<()> {
self.exit();
self.join()
}
fn print_node_info(node: &Node) {
info!("{:?}", node.info);
info!(
"local gossip address: {}",
node.sockets.gossip.local_addr().unwrap()
);
info!(
"local broadcast address: {}",
node.sockets
.broadcast
.first()
.unwrap()
.local_addr()
.unwrap()
);
info!(
"local repair address: {}",
node.sockets.repair.local_addr().unwrap()
);
info!(
"local retransmit address: {}",
node.sockets.retransmit_sockets[0].local_addr().unwrap()
);
}
pub fn join(self) -> Result<()> {
self.poh_service.join()?;
drop(self.poh_recorder);
if let Some((rpc_service, rpc_pubsub_service)) = self.rpc_service {
rpc_service.join()?;
rpc_pubsub_service.join()?;
}
if let Some(transaction_status_service) = self.transaction_status_service {
transaction_status_service.join()?;
}
if let Some(rewards_recorder_service) = self.rewards_recorder_service {
rewards_recorder_service.join()?;
}
if let Some(s) = self.snapshot_packager_service {
s.join()?;
}
self.gossip_service.join()?;
self.serve_repair_service.join()?;
self.tpu.join()?;
self.tvu.join()?;
self.ip_echo_server.shutdown_now();
Ok(())
}
}
#[allow(clippy::type_complexity)]
fn new_banks_from_blockstore(
config: &ValidatorConfig,
blockstore_path: &Path,
poh_verify: bool,
) -> (
GenesisConfig,
BankForks,
Blockstore,
Receiver<bool>,
CompletedSlotsReceiver,
LeaderScheduleCache,
Option<(Slot, Hash)>,
) {
let genesis_config =
open_genesis_config(blockstore_path, config.max_genesis_archive_unpacked_size);
// This needs to be limited otherwise the state in the VoteAccount data
// grows too large
let leader_schedule_slot_offset = genesis_config.epoch_schedule.leader_schedule_slot_offset;
let slots_per_epoch = genesis_config.epoch_schedule.slots_per_epoch;
let leader_epoch_offset = (leader_schedule_slot_offset + slots_per_epoch - 1) / slots_per_epoch;
assert!(leader_epoch_offset <= MAX_LEADER_SCHEDULE_EPOCH_OFFSET);
let genesis_hash = genesis_config.hash();
info!("genesis hash: {}", genesis_hash);
if let Some(expected_genesis_hash) = config.expected_genesis_hash {
if genesis_hash != expected_genesis_hash {
error!("genesis hash mismatch: expected {}", expected_genesis_hash);
error!(
"Delete the ledger directory to continue: {:?}",
blockstore_path
);
process::exit(1);
}
}
let (mut blockstore, ledger_signal_receiver, completed_slots_receiver) =
Blockstore::open_with_signal(blockstore_path).expect("Failed to open ledger database");
blockstore.set_no_compaction(config.no_rocksdb_compaction);
let process_options = blockstore_processor::ProcessOptions {
poh_verify,
dev_halt_at_slot: config.dev_halt_at_slot,
new_hard_forks: config.new_hard_forks.clone(),
frozen_accounts: config.frozen_accounts.clone(),
..blockstore_processor::ProcessOptions::default()
};
let (mut bank_forks, mut leader_schedule_cache, snapshot_hash) = bank_forks_utils::load(
&genesis_config,
&blockstore,
config.account_paths.clone(),
config.snapshot_config.as_ref(),
process_options,
)
.unwrap_or_else(|err| {
error!("Failed to load ledger: {:?}", err);
std::process::exit(1);
});
leader_schedule_cache.set_fixed_leader_schedule(config.fixed_leader_schedule.clone());
bank_forks.set_snapshot_config(config.snapshot_config.clone());
bank_forks.set_accounts_hash_interval_slots(config.accounts_hash_interval_slots);
(
genesis_config,
bank_forks,
blockstore,
ledger_signal_receiver,
completed_slots_receiver,
leader_schedule_cache,
snapshot_hash,
)
}
fn wait_for_supermajority(config: &ValidatorConfig, bank: &Bank, cluster_info: &ClusterInfo) {
if config.wait_for_supermajority != Some(bank.slot()) {
return;
}
info!(
"Waiting for 80% of activated stake at slot {} to be in gossip...",
bank.slot()
);
for i in 1.. {
let gossip_stake_percent = get_stake_percent_in_gossip(&bank, &cluster_info, i % 10 == 0);
if gossip_stake_percent >= 80 {
break;
}
sleep(Duration::new(1, 0));
}
}
pub struct TestValidator {
pub server: Validator,
pub leader_data: ContactInfo,
pub alice: Keypair,
pub ledger_path: PathBuf,
pub genesis_hash: Hash,
pub vote_pubkey: Pubkey,
}
pub struct TestValidatorOptions {
pub fees: u64,
pub bootstrap_validator_lamports: u64,
pub mint_lamports: u64,
}
impl Default for TestValidatorOptions {
fn default() -> Self {
use solana_ledger::genesis_utils::BOOTSTRAP_VALIDATOR_LAMPORTS;
TestValidatorOptions {
fees: 0,
bootstrap_validator_lamports: BOOTSTRAP_VALIDATOR_LAMPORTS,
mint_lamports: 1_000_000,
}
}
}
impl TestValidator {
pub fn run() -> Self {
Self::run_with_options(TestValidatorOptions::default())
}
pub fn run_with_options(options: TestValidatorOptions) -> Self {
use solana_ledger::genesis_utils::{
create_genesis_config_with_leader_ex, GenesisConfigInfo,
};
use solana_sdk::fee_calculator::FeeRateGovernor;
let TestValidatorOptions {
fees,
bootstrap_validator_lamports,
mint_lamports,
} = options;
let node_keypair = Arc::new(Keypair::new());
let node = Node::new_localhost_with_pubkey(&node_keypair.pubkey());
let contact_info = node.info.clone();
let GenesisConfigInfo {
mut genesis_config,
mint_keypair,
voting_keypair,
} = create_genesis_config_with_leader_ex(
mint_lamports,
&contact_info.id,
42,
bootstrap_validator_lamports,
);
genesis_config
.native_instruction_processors
.push(solana_budget_program!());
genesis_config
.native_instruction_processors
.push(solana_bpf_loader_program!());
genesis_config.rent.lamports_per_byte_year = 1;
genesis_config.rent.exemption_threshold = 1.0;
genesis_config.fee_rate_governor = FeeRateGovernor::new(fees, 0);
let (ledger_path, blockhash) = create_new_tmp_ledger!(&genesis_config);
let leader_voting_keypair = Arc::new(voting_keypair);
let config = ValidatorConfig {
rpc_ports: Some((node.info.rpc.port(), node.info.rpc_pubsub.port())),
..ValidatorConfig::default()
};
let node = Validator::new(
node,
&node_keypair,
&ledger_path,
&leader_voting_keypair.pubkey(),
vec![leader_voting_keypair.clone()],
None,
true,
&config,
);
discover_cluster(&contact_info.gossip, 1).expect("Node startup failed");
TestValidator {
server: node,
leader_data: contact_info,
alice: mint_keypair,
ledger_path,
genesis_hash: blockhash,
vote_pubkey: leader_voting_keypair.pubkey(),
}
}
}
fn report_target_features() {
warn!(
"CUDA is {}abled",
if solana_perf::perf_libs::api().is_some() {
"en"
} else {
"dis"
}
);
#[cfg(any(target_arch = "x86", target_arch = "x86_64"))]
{
// Validator binaries built on a machine with AVX support will generate invalid opcodes
// when run on machines without AVX causing a non-obvious process abort. Instead detect
// the mismatch and error cleanly.
#[target_feature(enable = "avx")]
{
if is_x86_feature_detected!("avx") {
info!("AVX detected");
} else {
error!("Your machine does not have AVX support, please rebuild from source on your machine");
process::exit(1);
}
}
#[target_feature(enable = "avx2")]
{
if is_x86_feature_detected!("avx2") {
info!("AVX2 detected");
} else {
error!("Your machine does not have AVX2 support, please rebuild from source on your machine");
process::exit(1);
}
}
}
}
// Get the activated stake percentage (based on the provided bank) that is visible in gossip
fn get_stake_percent_in_gossip(bank: &Bank, cluster_info: &ClusterInfo, log: bool) -> u64 {
let mut online_stake = 0;
let mut wrong_shred_stake = 0;
let mut wrong_shred_nodes = vec![];
let mut offline_stake = 0;
let mut offline_nodes = vec![];
let mut total_activated_stake = 0;
let all_tvu_peers = cluster_info.all_tvu_peers();
let my_shred_version = cluster_info.my_shred_version();
let my_id = cluster_info.id();
for (activated_stake, vote_account) in bank.vote_accounts().values() {
let vote_state =
solana_vote_program::vote_state::VoteState::from(&vote_account).unwrap_or_default();
total_activated_stake += activated_stake;
if *activated_stake == 0 {
continue;
}
if let Some(peer) = all_tvu_peers
.iter()
.find(|peer| peer.id == vote_state.node_pubkey)
{
if peer.shred_version == my_shred_version {
trace!(
"observed {} in gossip, (activated_stake={})",
vote_state.node_pubkey,
activated_stake
);
online_stake += activated_stake;
} else {
wrong_shred_stake += activated_stake;
wrong_shred_nodes.push((*activated_stake, vote_state.node_pubkey));
}
} else if vote_state.node_pubkey == my_id {
online_stake += activated_stake; // This node is online
} else {
offline_stake += activated_stake;
offline_nodes.push((*activated_stake, vote_state.node_pubkey));
}
}
if log {
info!(
"{}% of active stake visible in gossip",
online_stake * 100 / total_activated_stake
);
if !wrong_shred_nodes.is_empty() {
info!(
"{}% of active stake has the wrong shred version in gossip",
wrong_shred_stake * 100 / total_activated_stake,
);
for (stake, identity) in wrong_shred_nodes {
info!(
" {}% - {}",
stake * 100 / total_activated_stake,
identity
);
}
}
if !offline_nodes.is_empty() {
info!(
"{}% of active stake is not visible in gossip",
offline_stake * 100 / total_activated_stake
);
for (stake, identity) in offline_nodes {
info!(
" {}% - {}",
stake * 100 / total_activated_stake,
identity
);
}
}
}
online_stake * 100 / total_activated_stake
}
#[cfg(test)]
mod tests {
use super::*;
use solana_ledger::genesis_utils::create_genesis_config_with_leader;
use std::fs::remove_dir_all;
#[test]
fn validator_exit() {
solana_logger::setup();
let leader_keypair = Keypair::new();
let leader_node = Node::new_localhost_with_pubkey(&leader_keypair.pubkey());
let validator_keypair = Keypair::new();
let validator_node = Node::new_localhost_with_pubkey(&validator_keypair.pubkey());
let genesis_config =
create_genesis_config_with_leader(10_000, &leader_keypair.pubkey(), 1000)
.genesis_config;
let (validator_ledger_path, _blockhash) = create_new_tmp_ledger!(&genesis_config);
let voting_keypair = Arc::new(Keypair::new());
let config = ValidatorConfig {
rpc_ports: Some((
validator_node.info.rpc.port(),
validator_node.info.rpc_pubsub.port(),
)),
..ValidatorConfig::default()
};
let validator = Validator::new(
validator_node,
&Arc::new(validator_keypair),
&validator_ledger_path,
&voting_keypair.pubkey(),
vec![voting_keypair.clone()],
Some(&leader_node.info),
true,
&config,
);
validator.close().unwrap();
remove_dir_all(validator_ledger_path).unwrap();
}
#[test]
fn validator_parallel_exit() {
let leader_keypair = Keypair::new();
let leader_node = Node::new_localhost_with_pubkey(&leader_keypair.pubkey());
let mut ledger_paths = vec![];
let mut validators: Vec<Validator> = (0..2)
.map(|_| {
let validator_keypair = Keypair::new();
let validator_node = Node::new_localhost_with_pubkey(&validator_keypair.pubkey());
let genesis_config =
create_genesis_config_with_leader(10_000, &leader_keypair.pubkey(), 1000)
.genesis_config;
let (validator_ledger_path, _blockhash) = create_new_tmp_ledger!(&genesis_config);
ledger_paths.push(validator_ledger_path.clone());
let vote_account_keypair = Arc::new(Keypair::new());
let config = ValidatorConfig {
rpc_ports: Some((
validator_node.info.rpc.port(),
validator_node.info.rpc_pubsub.port(),
)),
..ValidatorConfig::default()
};
Validator::new(
validator_node,
&Arc::new(validator_keypair),
&validator_ledger_path,
&vote_account_keypair.pubkey(),
vec![vote_account_keypair.clone()],
Some(&leader_node.info),
true,
&config,
)
})
.collect();
// Each validator can exit in parallel to speed many sequential calls to join`
validators.iter_mut().for_each(|v| v.exit());
// While join is called sequentially, the above exit call notified all the
// validators to exit from all their threads
validators.into_iter().for_each(|validator| {
validator.join().unwrap();
});
for path in ledger_paths {
remove_dir_all(path).unwrap();
}
}
}
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