Stable futures (#879)

* Port eth1 lib to use stable futures

* Port eth1_test_rig to stable futures

* Port eth1 tests to stable futures

* Port genesis service to stable futures

* Port genesis tests to stable futures

* Port beacon_chain to stable futures

* Port lcli to stable futures

* Fix eth1_test_rig (#1014)

* Fix lcli

* Port timer to stable futures

* Fix timer

* Port websocket_server to stable futures

* Port notifier to stable futures

* Add TODOS

* Update hashmap hashset to stable futures

* Adds panic test to hashset delay

* Port remote_beacon_node to stable futures

* Fix lcli merge conflicts

* Non rpc stuff compiles

* protocol.rs compiles

* Port websockets, timer and notifier to stable futures (#1035)

* Fix lcli

* Port timer to stable futures

* Fix timer

* Port websocket_server to stable futures

* Port notifier to stable futures

* Add TODOS

* Port remote_beacon_node to stable futures

* Partial eth2-libp2p stable future upgrade

* Finished first round of fighting RPC types

* Further progress towards porting eth2-libp2p adds caching to discovery

* Update behaviour

* RPC handler to stable futures

* Update RPC to master libp2p

* Network service additions

* Fix the fallback transport construction (#1102)

* Correct warning

* Remove hashmap delay

* Compiling version of eth2-libp2p

* Update all crates versions

* Fix conversion function and add tests (#1113)

* Port validator_client to stable futures (#1114)

* Add PH & MS slot clock changes

* Account for genesis time

* Add progress on duties refactor

* Add simple is_aggregator bool to val subscription

* Start work on attestation_verification.rs

* Add progress on ObservedAttestations

* Progress with ObservedAttestations

* Fix tests

* Add observed attestations to the beacon chain

* Add attestation observation to processing code

* Add progress on attestation verification

* Add first draft of ObservedAttesters

* Add more tests

* Add observed attesters to beacon chain

* Add observers to attestation processing

* Add more attestation verification

* Create ObservedAggregators map

* Remove commented-out code

* Add observed aggregators into chain

* Add progress

* Finish adding features to attestation verification

* Ensure beacon chain compiles

* Link attn verification into chain

* Integrate new attn verification in chain

* Remove old attestation processing code

* Start trying to fix beacon_chain tests

* Split adding into pools into two functions

* Add aggregation to harness

* Get test harness working again

* Adjust the number of aggregators for test harness

* Fix edge-case in harness

* Integrate new attn processing in network

* Fix compile bug in validator_client

* Update validator API endpoints

* Fix aggreagation in test harness

* Fix enum thing

* Fix attestation observation bug:

* Patch failing API tests

* Start adding comments to attestation verification

* Remove unused attestation field

* Unify "is block known" logic

* Update comments

* Supress fork choice errors for network processing

* Add todos

* Tidy

* Add gossip attn tests

* Disallow test harness to produce old attns

* Comment out in-progress tests

* Partially address pruning tests

* Fix failing store test

* Add aggregate tests

* Add comments about which spec conditions we check

* Dont re-aggregate

* Split apart test harness attn production

* Fix compile error in network

* Make progress on commented-out test

* Fix skipping attestation test

* Add fork choice verification tests

* Tidy attn tests, remove dead code

* Remove some accidentally added code

* Fix clippy lint

* Rename test file

* Add block tests, add cheap block proposer check

* Rename block testing file

* Add observed_block_producers

* Tidy

* Switch around block signature verification

* Finish block testing

* Remove gossip from signature tests

* First pass of self review

* Fix deviation in spec

* Update test spec tags

* Start moving over to hashset

* Finish moving observed attesters to hashmap

* Move aggregation pool over to hashmap

* Make fc attn borrow again

* Fix rest_api compile error

* Fix missing comments

* Fix monster test

* Uncomment increasing slots test

* Address remaining comments

* Remove unsafe, use cfg test

* Remove cfg test flag

* Fix dodgy comment

* Revert "Update hashmap hashset to stable futures"

This reverts commit d432378a3c.

* Revert "Adds panic test to hashset delay"

This reverts commit 281502396f.

* Ported attestation_service

* Ported duties_service

* Ported fork_service

* More ports

* Port block_service

* Minor fixes

* VC compiles

* Update TODOS

* Borrow self where possible

* Ignore aggregates that are already known.

* Unify aggregator modulo logic

* Fix typo in logs

* Refactor validator subscription logic

* Avoid reproducing selection proof

* Skip HTTP call if no subscriptions

* Rename DutyAndState -> DutyAndProof

* Tidy logs

* Print root as dbg

* Fix compile errors in tests

* Fix compile error in test

* Re-Fix attestation and duties service

* Minor fixes

Co-authored-by: Paul Hauner <paul@paulhauner.com>

* Network crate update to stable futures

* Port account_manager to stable futures (#1121)

* Port account_manager to stable futures

* Run async fns in tokio environment

* Port rest_api crate to stable futures (#1118)

* Port rest_api lib to stable futures

* Reduce tokio features

* Update notifier to stable futures

* Builder update

* Further updates

* Convert self referential async functions

* stable futures fixes (#1124)

* Fix eth1 update functions

* Fix genesis and client

* Fix beacon node lib

* Return appropriate runtimes from environment

* Fix test rig

* Refactor eth1 service update

* Upgrade simulator to stable futures

* Lighthouse compiles on stable futures

* Remove println debugging statement

* Update libp2p service, start rpc test upgrade

* Update network crate for new libp2p

* Update tokio::codec to futures_codec (#1128)

* Further work towards RPC corrections

* Correct http timeout and network service select

* Use tokio runtime for libp2p

* Revert "Update tokio::codec to futures_codec (#1128)"

This reverts commit e57aea924a.

* Upgrade RPC libp2p tests

* Upgrade secio fallback test

* Upgrade gossipsub examples

* Clean up RPC protocol

* Test fixes (#1133)

* Correct websocket timeout and run on os thread

* Fix network test

* Clean up PR

* Correct tokio tcp move attestation service tests

* Upgrade attestation service tests

* Correct network test

* Correct genesis test

* Test corrections

* Log info when block is received

* Modify logs and update attester service events

* Stable futures: fixes to vc, eth1 and account manager (#1142)

* Add local testnet scripts

* Remove whiteblock script

* Rename local testnet script

* Move spawns onto handle

* Fix VC panic

* Initial fix to block production issue

* Tidy block producer fix

* Tidy further

* Add local testnet clean script

* Run cargo fmt

* Tidy duties service

* Tidy fork service

* Tidy ForkService

* Tidy AttestationService

* Tidy notifier

* Ensure await is not suppressed in eth1

* Ensure await is not suppressed in account_manager

* Use .ok() instead of .unwrap_or(())

* RPC decoding test for proto

* Update discv5 and eth2-libp2p deps

* Fix lcli double runtime issue (#1144)

* Handle stream termination and dialing peer errors

* Correct peer_info variant types

* Remove unnecessary warnings

* Handle subnet unsubscription removal and improve logigng

* Add logs around ping

* Upgrade discv5 and improve logging

* Handle peer connection status for multiple connections

* Improve network service logging

* Improve logging around peer manager

* Upgrade swarm poll centralise peer management

* Identify clients on error

* Fix `remove_peer` in sync (#1150)

* remove_peer removes from all chains

* Remove logs

* Fix early return from loop

* Improved logging, fix panic

* Partially correct tests

* Stable futures: Vc sync (#1149)

* Improve syncing heuristic

* Add comments

* Use safer method for tolerance

* Fix tests

* Stable futures: Fix VC bug, update agg pool, add more metrics (#1151)

* Expose epoch processing summary

* Expose participation metrics to prometheus

* Switch to f64

* Reduce precision

* Change precision

* Expose observed attesters metrics

* Add metrics for agg/unagg attn counts

* Add metrics for gossip rx

* Add metrics for gossip tx

* Adds ignored attns to prom

* Add attestation timing

* Add timer for aggregation pool sig agg

* Add write lock timer for agg pool

* Add more metrics to agg pool

* Change map lock code

* Add extra metric to agg pool

* Change lock handling in agg pool

* Change .write() to .read()

* Add another agg pool timer

* Fix for is_aggregator

* Fix pruning bug

Co-authored-by: pawan <pawandhananjay@gmail.com>
Co-authored-by: Paul Hauner <paul@paulhauner.com>
This commit is contained in:
Age Manning
2020-05-17 21:16:48 +10:00
committed by GitHub
parent 21901b1615
commit b6408805a2
165 changed files with 7924 additions and 7733 deletions

View File

@@ -5,16 +5,20 @@
use beacon_chain::{BeaconChain, BeaconChainTypes};
use eth2_libp2p::{types::GossipKind, MessageId, NetworkGlobals, PeerId};
use futures::prelude::*;
use hashmap_delay::HashSetDelay;
use hashset_delay::HashSetDelay;
use rand::seq::SliceRandom;
use rest_types::ValidatorSubscription;
use slog::{crit, debug, error, o, warn};
use slot_clock::SlotClock;
use std::collections::VecDeque;
use std::pin::Pin;
use std::sync::Arc;
use std::task::{Context, Poll};
use std::time::{Duration, Instant};
use types::{Attestation, EthSpec, Slot, SubnetId};
mod tests;
/// The minimum number of slots ahead that we attempt to discover peers for a subscription. If the
/// slot is less than this number, skip the peer discovery process.
const MIN_PEER_DISCOVERY_SLOT_LOOK_AHEAD: u64 = 1;
@@ -564,7 +568,7 @@ impl<T: BeaconChainTypes> AttestationService<T> {
return Ok(());
}
let subscribed_subnets = self.random_subnets.keys_vec();
let subscribed_subnets = self.random_subnets.keys().cloned().collect::<Vec<_>>();
let to_remove_subnets = subscribed_subnets.choose_multiple(
&mut rand::thread_rng(),
random_subnets_per_validator as usize,
@@ -576,10 +580,10 @@ impl<T: BeaconChainTypes> AttestationService<T> {
for subnet_id in to_remove_subnets {
// If a subscription is queued for two slots in the future, it's associated unsubscription
// will unsubscribe from the expired subnet.
// If there is no subscription for this subnet,slot it is safe to add one, without
// If there is no unsubscription for this subnet,slot it is safe to add one, without
// unsubscribing early from a required subnet
let subnet = ExactSubnet {
subnet_id: **subnet_id,
subnet_id: *subnet_id,
slot: current_slot + 2,
};
if self.subscriptions.get(&subnet).is_none() {
@@ -597,11 +601,11 @@ impl<T: BeaconChainTypes> AttestationService<T> {
self.unsubscriptions
.insert_at(subnet, unsubscription_duration);
}
// as the long lasting subnet subscription is being removed, remove the subnet_id from
// the ENR bitfield
self.events
.push_back(AttServiceMessage::EnrRemove(**subnet_id));
.push_back(AttServiceMessage::EnrRemove(*subnet_id));
self.random_subnets.remove(subnet_id);
}
Ok(())
}
@@ -609,648 +613,64 @@ impl<T: BeaconChainTypes> AttestationService<T> {
impl<T: BeaconChainTypes> Stream for AttestationService<T> {
type Item = AttServiceMessage;
type Error = ();
fn poll(&mut self) -> Poll<Option<Self::Item>, Self::Error> {
fn poll_next(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Option<Self::Item>> {
// process any peer discovery events
while let Async::Ready(Some(exact_subnet)) =
self.discover_peers.poll().map_err(|e| {
error!(self.log, "Failed to check for peer discovery requests"; "error"=> format!("{}", e));
})?
{
self.handle_discover_peers(exact_subnet);
}
match self.discover_peers.poll_next_unpin(cx) {
Poll::Ready(Some(Ok(exact_subnet))) => self.handle_discover_peers(exact_subnet),
Poll::Ready(Some(Err(e))) => {
error!(self.log, "Failed to check for peer discovery requests"; "error"=> format!("{}", e));
}
Poll::Ready(None) | Poll::Pending => {}
}
// process any subscription events
while let Async::Ready(Some(exact_subnet)) = self.subscriptions.poll().map_err(|e| {
error!(self.log, "Failed to check for subnet subscription times"; "error"=> format!("{}", e));
})?
{
self.handle_subscriptions(exact_subnet);
}
match self.subscriptions.poll_next_unpin(cx) {
Poll::Ready(Some(Ok(exact_subnet))) => self.handle_subscriptions(exact_subnet),
Poll::Ready(Some(Err(e))) => {
error!(self.log, "Failed to check for subnet subscription times"; "error"=> format!("{}", e));
}
Poll::Ready(None) | Poll::Pending => {}
}
// process any un-subscription events
while let Async::Ready(Some(exact_subnet)) = self.unsubscriptions.poll().map_err(|e| {
error!(self.log, "Failed to check for subnet unsubscription times"; "error"=> format!("{}", e));
})?
{
self.handle_unsubscriptions(exact_subnet);
}
match self.unsubscriptions.poll_next_unpin(cx) {
Poll::Ready(Some(Ok(exact_subnet))) => self.handle_unsubscriptions(exact_subnet),
Poll::Ready(Some(Err(e))) => {
error!(self.log, "Failed to check for subnet unsubscription times"; "error"=> format!("{}", e));
}
Poll::Ready(None) | Poll::Pending => {}
}
// process any random subnet expiries
while let Async::Ready(Some(subnet)) = self.random_subnets.poll().map_err(|e| {
error!(self.log, "Failed to check for random subnet cycles"; "error"=> format!("{}", e));
})?
{
self.handle_random_subnet_expiry(subnet);
}
match self.random_subnets.poll_next_unpin(cx) {
Poll::Ready(Some(Ok(subnet))) => self.handle_random_subnet_expiry(subnet),
Poll::Ready(Some(Err(e))) => {
error!(self.log, "Failed to check for random subnet cycles"; "error"=> format!("{}", e));
}
Poll::Ready(None) | Poll::Pending => {}
}
// process any known validator expiries
while let Async::Ready(Some(_validator_index)) = self.known_validators.poll().map_err(|e| {
error!(self.log, "Failed to check for random subnet cycles"; "error"=> format!("{}", e));
})?
{
let _ = self.handle_known_validator_expiry();
}
match self.known_validators.poll_next_unpin(cx) {
Poll::Ready(Some(Ok(_validator_index))) => {
let _ = self.handle_known_validator_expiry();
}
Poll::Ready(Some(Err(e))) => {
error!(self.log, "Failed to check for random subnet cycles"; "error"=> format!("{}", e));
}
Poll::Ready(None) | Poll::Pending => {}
}
// poll to remove entries on expiration, no need to act on expiration events
let _ = self.aggregate_validators_on_subnet.poll().map_err(|e| { error!(self.log, "Failed to check for aggregate validator on subnet expirations"; "error"=> format!("{}", e)); });
if let Poll::Ready(Some(Err(e))) = self.aggregate_validators_on_subnet.poll_next_unpin(cx) {
error!(self.log, "Failed to check for aggregate validator on subnet expirations"; "error"=> format!("{}", e));
}
// process any generated events
if let Some(event) = self.events.pop_front() {
return Ok(Async::Ready(Some(event)));
return Poll::Ready(Some(event));
}
Ok(Async::NotReady)
}
}
#[cfg(test)]
mod tests {
use super::*;
use beacon_chain::builder::{BeaconChainBuilder, Witness};
use beacon_chain::eth1_chain::CachingEth1Backend;
use beacon_chain::events::NullEventHandler;
use beacon_chain::migrate::NullMigrator;
use eth2_libp2p::discovery::{build_enr, Keypair};
use eth2_libp2p::{discovery::CombinedKey, NetworkConfig, NetworkGlobals};
use futures::Stream;
use genesis::{generate_deterministic_keypairs, interop_genesis_state};
use lazy_static::lazy_static;
use matches::assert_matches;
use slog::Logger;
use sloggers::{null::NullLoggerBuilder, Build};
use slot_clock::{SlotClock, SystemTimeSlotClock};
use std::convert::TryInto;
use std::sync::atomic::{AtomicBool, Ordering::Relaxed};
use std::time::SystemTime;
use store::MemoryStore;
use tempfile::tempdir;
use tokio::prelude::*;
use types::{CommitteeIndex, EnrForkId, EthSpec, MinimalEthSpec};
const SLOT_DURATION_MILLIS: u64 = 200;
type TestBeaconChainType = Witness<
MemoryStore<MinimalEthSpec>,
NullMigrator,
SystemTimeSlotClock,
CachingEth1Backend<MinimalEthSpec, MemoryStore<MinimalEthSpec>>,
MinimalEthSpec,
NullEventHandler<MinimalEthSpec>,
>;
pub struct TestBeaconChain {
chain: Arc<BeaconChain<TestBeaconChainType>>,
}
impl TestBeaconChain {
pub fn new_with_system_clock() -> Self {
let data_dir = tempdir().expect("should create temporary data_dir");
let spec = MinimalEthSpec::default_spec();
let keypairs = generate_deterministic_keypairs(1);
let log = get_logger();
let chain = Arc::new(
BeaconChainBuilder::new(MinimalEthSpec)
.logger(log.clone())
.custom_spec(spec.clone())
.store(Arc::new(MemoryStore::open()))
.store_migrator(NullMigrator)
.data_dir(data_dir.path().to_path_buf())
.genesis_state(
interop_genesis_state::<MinimalEthSpec>(&keypairs, 0, &spec)
.expect("should generate interop state"),
)
.expect("should build state using recent genesis")
.dummy_eth1_backend()
.expect("should build dummy backend")
.null_event_handler()
.slot_clock(SystemTimeSlotClock::new(
Slot::new(0),
Duration::from_secs(recent_genesis_time()),
Duration::from_millis(SLOT_DURATION_MILLIS),
))
.reduced_tree_fork_choice()
.expect("should add fork choice to builder")
.build()
.expect("should build"),
);
Self { chain }
}
}
pub fn recent_genesis_time() -> u64 {
SystemTime::now()
.duration_since(SystemTime::UNIX_EPOCH)
.unwrap()
.as_secs()
}
fn get_logger() -> Logger {
NullLoggerBuilder.build().expect("logger should build")
}
lazy_static! {
static ref CHAIN: TestBeaconChain = { TestBeaconChain::new_with_system_clock() };
}
fn get_attestation_service() -> AttestationService<TestBeaconChainType> {
let log = get_logger();
let beacon_chain = CHAIN.chain.clone();
let config = NetworkConfig::default();
let enr_key: CombinedKey = Keypair::generate_secp256k1().try_into().unwrap();
let enr = build_enr::<MinimalEthSpec>(&enr_key, &config, EnrForkId::default()).unwrap();
let network_globals: NetworkGlobals<MinimalEthSpec> = NetworkGlobals::new(enr, 0, 0, &log);
AttestationService::new(beacon_chain, Arc::new(network_globals), &log)
}
fn get_subscription(
validator_index: u64,
attestation_committee_index: CommitteeIndex,
slot: Slot,
) -> ValidatorSubscription {
let is_aggregator = true;
ValidatorSubscription {
validator_index,
attestation_committee_index,
slot,
is_aggregator,
}
}
fn _get_subscriptions(validator_count: u64, slot: Slot) -> Vec<ValidatorSubscription> {
let mut subscriptions: Vec<ValidatorSubscription> = Vec::new();
for validator_index in 0..validator_count {
let is_aggregator = true;
subscriptions.push(ValidatorSubscription {
validator_index,
attestation_committee_index: validator_index,
slot,
is_aggregator,
});
}
subscriptions
}
// gets a number of events from the subscription service, or returns none if it times out after a number
// of slots
fn get_events<S: Stream<Item = AttServiceMessage, Error = ()>>(
stream: S,
no_events: u64,
no_slots_before_timeout: u32,
) -> impl Future<Item = Vec<AttServiceMessage>, Error = ()> {
stream
.take(no_events)
.collect()
.timeout(Duration::from_millis(SLOT_DURATION_MILLIS) * no_slots_before_timeout)
.map_err(|_| ())
}
#[test]
fn subscribe_current_slot() {
// subscription config
let validator_index = 1;
let committee_index = 1;
let subscription_slot = 0;
// create the attestation service and subscriptions
let mut attestation_service = get_attestation_service();
let current_slot = attestation_service
.beacon_chain
.slot_clock
.now()
.expect("Could not get current slot");
let subscriptions = vec![get_subscription(
validator_index,
committee_index,
current_slot + Slot::new(subscription_slot),
)];
// submit the subscriptions
attestation_service
.validator_subscriptions(subscriptions)
.unwrap();
// not enough time for peer discovery, just subscribe
let expected = vec![AttServiceMessage::Subscribe(SubnetId::new(validator_index))];
let test_result = Arc::new(AtomicBool::new(false));
let thread_result = test_result.clone();
tokio::run(
get_events(attestation_service, 4, 1)
.map(move |events| {
assert_matches!(
events[..3],
[
AttServiceMessage::DiscoverPeers(_any2),
AttServiceMessage::Subscribe(_any1),
AttServiceMessage::EnrAdd(_any3)
]
);
assert_eq!(expected[..], events[3..]);
// test completed successfully
thread_result.store(true, Relaxed);
})
// this doesn't need to be here, but helps with debugging
.map_err(|_| panic!("Did not receive desired events in the given time frame")),
);
assert!(test_result.load(Relaxed))
}
#[test]
fn subscribe_current_slot_wait_for_unsubscribe() {
// subscription config
let validator_index = 1;
let committee_index = 1;
let subscription_slot = 0;
// create the attestation service and subscriptions
let mut attestation_service = get_attestation_service();
let current_slot = attestation_service
.beacon_chain
.slot_clock
.now()
.expect("Could not get current slot");
let subscriptions = vec![get_subscription(
validator_index,
committee_index,
current_slot + Slot::new(subscription_slot),
)];
// submit the subscriptions
attestation_service
.validator_subscriptions(subscriptions)
.unwrap();
// not enough time for peer discovery, just subscribe, unsubscribe
let expected = vec![
AttServiceMessage::Subscribe(SubnetId::new(validator_index)),
AttServiceMessage::Unsubscribe(SubnetId::new(validator_index)),
];
let test_result = Arc::new(AtomicBool::new(false));
let thread_result = test_result.clone();
tokio::run(
get_events(attestation_service, 5, 2)
.map(move |events| {
assert_matches!(
events[..3],
[
AttServiceMessage::DiscoverPeers(_any2),
AttServiceMessage::Subscribe(_any1),
AttServiceMessage::EnrAdd(_any3)
]
);
assert_eq!(expected[..], events[3..]);
// test completed successfully
thread_result.store(true, Relaxed);
})
// this doesn't need to be here, but helps with debugging
.map_err(|_| panic!("Did not receive desired events in the given time frame")),
);
assert!(test_result.load(Relaxed))
}
#[test]
fn subscribe_five_slots_ahead() {
// subscription config
let validator_index = 1;
let committee_index = 1;
let subscription_slot = 5;
// create the attestation service and subscriptions
let mut attestation_service = get_attestation_service();
let current_slot = attestation_service
.beacon_chain
.slot_clock
.now()
.expect("Could not get current slot");
let subscriptions = vec![get_subscription(
validator_index,
committee_index,
current_slot + Slot::new(subscription_slot),
)];
// submit the subscriptions
attestation_service
.validator_subscriptions(subscriptions)
.unwrap();
// just discover peers, don't subscribe yet
let expected = vec![AttServiceMessage::DiscoverPeers(SubnetId::new(
validator_index,
))];
let test_result = Arc::new(AtomicBool::new(false));
let thread_result = test_result.clone();
tokio::run(
get_events(attestation_service, 4, 1)
.map(move |events| {
assert_matches!(
events[..3],
[
AttServiceMessage::DiscoverPeers(_any1),
AttServiceMessage::Subscribe(_any2),
AttServiceMessage::EnrAdd(_any3)
]
);
assert_eq!(expected[..], events[3..]);
// test completed successfully
thread_result.store(true, Relaxed);
})
// this doesn't need to be here, but helps with debugging
.map_err(|_| panic!("Did not receive desired events in the given time frame")),
);
assert!(test_result.load(Relaxed))
}
#[test]
fn subscribe_five_slots_ahead_wait_five_slots() {
// subscription config
let validator_index = 1;
let committee_index = 1;
let subscription_slot = 5;
// create the attestation service and subscriptions
let mut attestation_service = get_attestation_service();
let current_slot = attestation_service
.beacon_chain
.slot_clock
.now()
.expect("Could not get current slot");
let subscriptions = vec![get_subscription(
validator_index,
committee_index,
current_slot + Slot::new(subscription_slot),
)];
// submit the subscriptions
attestation_service
.validator_subscriptions(subscriptions)
.unwrap();
// we should discover peers, wait, then subscribe
let expected = vec![
AttServiceMessage::DiscoverPeers(SubnetId::new(validator_index)),
AttServiceMessage::Subscribe(SubnetId::new(validator_index)),
];
let test_result = Arc::new(AtomicBool::new(false));
let thread_result = test_result.clone();
tokio::run(
get_events(attestation_service, 5, 5)
.map(move |events| {
//dbg!(&events);
assert_matches!(
events[..3],
[
AttServiceMessage::DiscoverPeers(_any1),
AttServiceMessage::Subscribe(_any2),
AttServiceMessage::EnrAdd(_any3)
]
);
assert_eq!(expected[..], events[3..]);
// test completed successfully
thread_result.store(true, Relaxed);
})
// this doesn't need to be here, but helps with debugging
.map_err(|_| panic!("Did not receive desired events in the given time frame")),
);
assert!(test_result.load(Relaxed))
}
#[test]
fn subscribe_ten_slots_ahead() {
// subscription config
let validator_index = 1;
let committee_index = 1;
let subscription_slot = 10;
// create the attestation service and subscriptions
let mut attestation_service = get_attestation_service();
let current_slot = attestation_service
.beacon_chain
.slot_clock
.now()
.expect("Could not get current slot");
let subscriptions = vec![get_subscription(
validator_index,
committee_index,
current_slot + Slot::new(subscription_slot),
)];
// submit the subscriptions
attestation_service
.validator_subscriptions(subscriptions)
.unwrap();
// ten slots ahead is before our target peer discover time, so expect no messages
let expected: Vec<AttServiceMessage> = vec![];
let test_result = Arc::new(AtomicBool::new(false));
let thread_result = test_result.clone();
tokio::run(
get_events(attestation_service, 3, 1)
.map(move |events| {
assert_matches!(
events[..3],
[
AttServiceMessage::DiscoverPeers(_any1),
AttServiceMessage::Subscribe(_any2),
AttServiceMessage::EnrAdd(_any3)
]
);
assert_eq!(expected[..], events[3..]);
// test completed successfully
thread_result.store(true, Relaxed);
})
// this doesn't need to be here, but helps with debugging
.map_err(|_| panic!("Did not receive desired events in the given time frame")),
);
assert!(test_result.load(Relaxed))
}
#[test]
fn subscribe_ten_slots_ahead_wait_five_slots() {
// subscription config
let validator_index = 1;
let committee_index = 1;
let subscription_slot = 10;
// create the attestation service and subscriptions
let mut attestation_service = get_attestation_service();
let current_slot = attestation_service
.beacon_chain
.slot_clock
.now()
.expect("Could not get current slot");
let subscriptions = vec![get_subscription(
validator_index,
committee_index,
current_slot + Slot::new(subscription_slot),
)];
// submit the subscriptions
attestation_service
.validator_subscriptions(subscriptions)
.unwrap();
// expect discover peers because we will enter TARGET_PEER_DISCOVERY_SLOT_LOOK_AHEAD range
let expected: Vec<AttServiceMessage> = vec![AttServiceMessage::DiscoverPeers(
SubnetId::new(validator_index),
)];
let test_result = Arc::new(AtomicBool::new(false));
let thread_result = test_result.clone();
tokio::run(
get_events(attestation_service, 4, 5)
.map(move |events| {
assert_matches!(
events[..3],
[
AttServiceMessage::DiscoverPeers(_any1),
AttServiceMessage::Subscribe(_any2),
AttServiceMessage::EnrAdd(_any3)
]
);
assert_eq!(expected[..], events[3..]);
// test completed successfully
thread_result.store(true, Relaxed);
})
// this doesn't need to be here, but helps with debugging
.map_err(|_| panic!("Did not receive desired events in the given time frame")),
);
assert!(test_result.load(Relaxed))
}
#[test]
fn subscribe_all_random_subnets() {
// subscribe 10 slots ahead so we do not produce any exact subnet messages
let subscription_slot = 10;
let subscription_count = 64;
// create the attestation service and subscriptions
let mut attestation_service = get_attestation_service();
let current_slot = attestation_service
.beacon_chain
.slot_clock
.now()
.expect("Could not get current slot");
let subscriptions =
_get_subscriptions(subscription_count, current_slot + subscription_slot);
// submit the subscriptions
attestation_service
.validator_subscriptions(subscriptions)
.unwrap();
let test_result = Arc::new(AtomicBool::new(false));
let thread_result = test_result.clone();
tokio::run(
get_events(attestation_service, 192, 3)
.map(move |events| {
let mut discover_peer_count = 0;
let mut subscribe_count = 0;
let mut enr_add_count = 0;
let mut unexpected_msg_count = 0;
for event in events {
match event {
AttServiceMessage::DiscoverPeers(_any_subnet) => {
discover_peer_count = discover_peer_count + 1
}
AttServiceMessage::Subscribe(_any_subnet) => {
subscribe_count = subscribe_count + 1
}
AttServiceMessage::EnrAdd(_any_subnet) => {
enr_add_count = enr_add_count + 1
}
_ => unexpected_msg_count = unexpected_msg_count + 1,
}
}
assert_eq!(discover_peer_count, 64);
assert_eq!(subscribe_count, 64);
assert_eq!(enr_add_count, 64);
assert_eq!(unexpected_msg_count, 0);
// test completed successfully
thread_result.store(true, Relaxed);
})
// this doesn't need to be here, but helps with debugging
.map_err(|_| panic!("Did not receive desired events in the given time frame")),
);
assert!(test_result.load(Relaxed))
}
#[test]
fn subscribe_all_random_subnets_plus_one() {
// subscribe 10 slots ahead so we do not produce any exact subnet messages
let subscription_slot = 10;
// the 65th subscription should result in no more messages than the previous scenario
let subscription_count = 65;
// create the attestation service and subscriptions
let mut attestation_service = get_attestation_service();
let current_slot = attestation_service
.beacon_chain
.slot_clock
.now()
.expect("Could not get current slot");
let subscriptions =
_get_subscriptions(subscription_count, current_slot + subscription_slot);
// submit the subscriptions
attestation_service
.validator_subscriptions(subscriptions)
.unwrap();
let test_result = Arc::new(AtomicBool::new(false));
let thread_result = test_result.clone();
tokio::run(
get_events(attestation_service, 192, 3)
.map(move |events| {
let mut discover_peer_count = 0;
let mut subscribe_count = 0;
let mut enr_add_count = 0;
let mut unexpected_msg_count = 0;
for event in events {
match event {
AttServiceMessage::DiscoverPeers(_any_subnet) => {
discover_peer_count = discover_peer_count + 1
}
AttServiceMessage::Subscribe(_any_subnet) => {
subscribe_count = subscribe_count + 1
}
AttServiceMessage::EnrAdd(_any_subnet) => {
enr_add_count = enr_add_count + 1
}
_ => unexpected_msg_count = unexpected_msg_count + 1,
}
}
assert_eq!(discover_peer_count, 64);
assert_eq!(subscribe_count, 64);
assert_eq!(enr_add_count, 64);
assert_eq!(unexpected_msg_count, 0);
// test completed successfully
thread_result.store(true, Relaxed);
})
// this doesn't need to be here, but helps with debugging
.map_err(|_| panic!("Did not receive desired events in the given time frame")),
);
assert!(test_result.load(Relaxed))
Poll::Pending
}
}

View File

@@ -0,0 +1,508 @@
#[cfg(test)]
mod tests {
use super::super::*;
use beacon_chain::{
builder::{BeaconChainBuilder, Witness},
eth1_chain::CachingEth1Backend,
events::NullEventHandler,
migrate::NullMigrator,
};
use eth2_libp2p::discovery::{build_enr, Keypair};
use eth2_libp2p::{discovery::CombinedKey, CombinedKeyExt, NetworkConfig, NetworkGlobals};
use futures::Stream;
use genesis::{generate_deterministic_keypairs, interop_genesis_state};
use lazy_static::lazy_static;
use matches::assert_matches;
use slog::Logger;
use sloggers::{null::NullLoggerBuilder, Build};
use slot_clock::{SlotClock, SystemTimeSlotClock};
use std::time::SystemTime;
use store::MemoryStore;
use tempfile::tempdir;
use tokio::time::Duration;
use types::{CommitteeIndex, EnrForkId, EthSpec, MinimalEthSpec};
const SLOT_DURATION_MILLIS: u64 = 2000;
type TestBeaconChainType = Witness<
MemoryStore<MinimalEthSpec>,
NullMigrator,
SystemTimeSlotClock,
CachingEth1Backend<MinimalEthSpec, MemoryStore<MinimalEthSpec>>,
MinimalEthSpec,
NullEventHandler<MinimalEthSpec>,
>;
pub struct TestBeaconChain {
chain: Arc<BeaconChain<TestBeaconChainType>>,
}
impl TestBeaconChain {
pub fn new_with_system_clock() -> Self {
let data_dir = tempdir().expect("should create temporary data_dir");
let spec = MinimalEthSpec::default_spec();
let keypairs = generate_deterministic_keypairs(1);
let log = get_logger();
let chain = Arc::new(
BeaconChainBuilder::new(MinimalEthSpec)
.logger(log.clone())
.custom_spec(spec.clone())
.store(Arc::new(MemoryStore::open()))
.store_migrator(NullMigrator)
.data_dir(data_dir.path().to_path_buf())
.genesis_state(
interop_genesis_state::<MinimalEthSpec>(&keypairs, 0, &spec)
.expect("should generate interop state"),
)
.expect("should build state using recent genesis")
.dummy_eth1_backend()
.expect("should build dummy backend")
.null_event_handler()
.slot_clock(SystemTimeSlotClock::new(
Slot::new(0),
Duration::from_secs(recent_genesis_time()),
Duration::from_millis(SLOT_DURATION_MILLIS),
))
.reduced_tree_fork_choice()
.expect("should add fork choice to builder")
.build()
.expect("should build"),
);
Self { chain }
}
}
pub fn recent_genesis_time() -> u64 {
SystemTime::now()
.duration_since(SystemTime::UNIX_EPOCH)
.unwrap()
.as_secs()
}
fn get_logger() -> Logger {
NullLoggerBuilder.build().expect("logger should build")
}
lazy_static! {
static ref CHAIN: TestBeaconChain = { TestBeaconChain::new_with_system_clock() };
}
fn get_attestation_service() -> AttestationService<TestBeaconChainType> {
let log = get_logger();
let beacon_chain = CHAIN.chain.clone();
let config = NetworkConfig::default();
let enr_key = CombinedKey::from_libp2p(&Keypair::generate_secp256k1()).unwrap();
let enr = build_enr::<MinimalEthSpec>(&enr_key, &config, EnrForkId::default()).unwrap();
let network_globals: NetworkGlobals<MinimalEthSpec> = NetworkGlobals::new(enr, 0, 0, &log);
AttestationService::new(beacon_chain, Arc::new(network_globals), &log)
}
fn get_subscription(
validator_index: u64,
attestation_committee_index: CommitteeIndex,
slot: Slot,
) -> ValidatorSubscription {
let is_aggregator = true;
ValidatorSubscription {
validator_index,
attestation_committee_index,
slot,
is_aggregator,
}
}
fn _get_subscriptions(validator_count: u64, slot: Slot) -> Vec<ValidatorSubscription> {
let mut subscriptions: Vec<ValidatorSubscription> = Vec::new();
for validator_index in 0..validator_count {
let is_aggregator = true;
subscriptions.push(ValidatorSubscription {
validator_index,
attestation_committee_index: validator_index,
slot,
is_aggregator,
});
}
subscriptions
}
// gets a number of events from the subscription service, or returns none if it times out after a number
// of slots
async fn get_events<S: Stream<Item = AttServiceMessage> + Unpin>(
mut stream: S,
no_events: usize,
no_slots_before_timeout: u32,
) -> Vec<AttServiceMessage> {
let mut events = Vec::new();
let collect_stream_fut = async {
loop {
if let Some(result) = stream.next().await {
events.push(result);
if events.len() == no_events {
return;
}
}
}
};
tokio::select! {
_ = collect_stream_fut => {return events}
_ = tokio::time::delay_for(
Duration::from_millis(SLOT_DURATION_MILLIS) * no_slots_before_timeout,
) => { return events; }
}
}
#[tokio::test]
async fn subscribe_current_slot() {
// subscription config
let validator_index = 1;
let committee_index = 1;
let subscription_slot = 0;
// create the attestation service and subscriptions
let mut attestation_service = get_attestation_service();
let current_slot = attestation_service
.beacon_chain
.slot_clock
.now()
.expect("Could not get current slot");
let subscriptions = vec![get_subscription(
validator_index,
committee_index,
current_slot + Slot::new(subscription_slot),
)];
// submit the subscriptions
attestation_service
.validator_subscriptions(subscriptions)
.unwrap();
// not enough time for peer discovery, just subscribe
let expected = vec![AttServiceMessage::Subscribe(SubnetId::new(validator_index))];
let events = get_events(attestation_service, 4, 1).await;
assert_matches!(
events[..3],
[
AttServiceMessage::DiscoverPeers(_any2),
AttServiceMessage::Subscribe(_any1),
AttServiceMessage::EnrAdd(_any3)
]
);
assert_eq!(expected[..], events[3..]);
}
#[tokio::test]
async fn subscribe_current_slot_wait_for_unsubscribe() {
// subscription config
let validator_index = 1;
let committee_index = 1;
let subscription_slot = 0;
// create the attestation service and subscriptions
let mut attestation_service = get_attestation_service();
let current_slot = attestation_service
.beacon_chain
.slot_clock
.now()
.expect("Could not get current slot");
let subscriptions = vec![get_subscription(
validator_index,
committee_index,
current_slot + Slot::new(subscription_slot),
)];
// submit the subscriptions
attestation_service
.validator_subscriptions(subscriptions)
.unwrap();
// not enough time for peer discovery, just subscribe, unsubscribe
let expected = vec![
AttServiceMessage::Subscribe(SubnetId::new(validator_index)),
AttServiceMessage::Unsubscribe(SubnetId::new(validator_index)),
];
let events = get_events(attestation_service, 5, 2).await;
assert_matches!(
events[..3],
[
AttServiceMessage::DiscoverPeers(_any2),
AttServiceMessage::Subscribe(_any1),
AttServiceMessage::EnrAdd(_any3)
]
);
assert_eq!(expected[..], events[3..]);
}
#[tokio::test]
async fn subscribe_five_slots_ahead() {
// subscription config
let validator_index = 1;
let committee_index = 1;
let subscription_slot = 5;
// create the attestation service and subscriptions
let mut attestation_service = get_attestation_service();
let current_slot = attestation_service
.beacon_chain
.slot_clock
.now()
.expect("Could not get current slot");
let subscriptions = vec![get_subscription(
validator_index,
committee_index,
current_slot + Slot::new(subscription_slot),
)];
// submit the subscriptions
attestation_service
.validator_subscriptions(subscriptions)
.unwrap();
// just discover peers, don't subscribe yet
let expected = vec![AttServiceMessage::DiscoverPeers(SubnetId::new(
validator_index,
))];
let events = get_events(attestation_service, 4, 1).await;
assert_matches!(
events[..3],
[
AttServiceMessage::DiscoverPeers(_any1),
AttServiceMessage::Subscribe(_any2),
AttServiceMessage::EnrAdd(_any3)
]
);
assert_eq!(expected[..], events[3..]);
}
#[tokio::test]
async fn subscribe_five_slots_ahead_wait_five_slots() {
// subscription config
let validator_index = 1;
let committee_index = 1;
let subscription_slot = 5;
// create the attestation service and subscriptions
let mut attestation_service = get_attestation_service();
let current_slot = attestation_service
.beacon_chain
.slot_clock
.now()
.expect("Could not get current slot");
let subscriptions = vec![get_subscription(
validator_index,
committee_index,
current_slot + Slot::new(subscription_slot),
)];
// submit the subscriptions
attestation_service
.validator_subscriptions(subscriptions)
.unwrap();
// we should discover peers, wait, then subscribe
let expected = vec![
AttServiceMessage::DiscoverPeers(SubnetId::new(validator_index)),
AttServiceMessage::Subscribe(SubnetId::new(validator_index)),
];
let events = get_events(attestation_service, 5, 5).await;
assert_matches!(
events[..3],
[
AttServiceMessage::DiscoverPeers(_any1),
AttServiceMessage::Subscribe(_any2),
AttServiceMessage::EnrAdd(_any3)
]
);
assert_eq!(expected[..], events[3..]);
}
#[tokio::test]
async fn subscribe_7_slots_ahead() {
// subscription config
let validator_index = 1;
let committee_index = 1;
let subscription_slot = 7;
// create the attestation service and subscriptions
let mut attestation_service = get_attestation_service();
let current_slot = attestation_service
.beacon_chain
.slot_clock
.now()
.expect("Could not get current slot");
let subscriptions = vec![get_subscription(
validator_index,
committee_index,
current_slot + Slot::new(subscription_slot),
)];
// submit the subscriptions
attestation_service
.validator_subscriptions(subscriptions)
.unwrap();
// ten slots ahead is before our target peer discover time, so expect no messages
let expected: Vec<AttServiceMessage> = vec![];
let events = get_events(attestation_service, 3, 1).await;
assert_matches!(
events[..3],
[
AttServiceMessage::DiscoverPeers(_any1),
AttServiceMessage::Subscribe(_any2),
AttServiceMessage::EnrAdd(_any3)
]
);
assert_eq!(expected[..], events[3..]);
}
#[tokio::test]
async fn subscribe_ten_slots_ahead_wait_five_slots() {
// subscription config
let validator_index = 1;
let committee_index = 1;
let subscription_slot = 10;
// create the attestation service and subscriptions
let mut attestation_service = get_attestation_service();
let current_slot = attestation_service
.beacon_chain
.slot_clock
.now()
.expect("Could not get current slot");
let subscriptions = vec![get_subscription(
validator_index,
committee_index,
current_slot + Slot::new(subscription_slot),
)];
// submit the subscriptions
attestation_service
.validator_subscriptions(subscriptions)
.unwrap();
// expect discover peers because we will enter TARGET_PEER_DISCOVERY_SLOT_LOOK_AHEAD range
let expected: Vec<AttServiceMessage> = vec![AttServiceMessage::DiscoverPeers(
SubnetId::new(validator_index),
)];
let events = get_events(attestation_service, 4, 5).await;
assert_matches!(
events[..3],
[
AttServiceMessage::DiscoverPeers(_any1),
AttServiceMessage::Subscribe(_any2),
AttServiceMessage::EnrAdd(_any3)
]
);
assert_eq!(expected[..], events[3..]);
}
#[tokio::test]
async fn subscribe_all_random_subnets() {
// subscribe 10 slots ahead so we do not produce any exact subnet messages
let subscription_slot = 10;
let subscription_count = 64;
// create the attestation service and subscriptions
let mut attestation_service = get_attestation_service();
let current_slot = attestation_service
.beacon_chain
.slot_clock
.now()
.expect("Could not get current slot");
let subscriptions =
_get_subscriptions(subscription_count, current_slot + subscription_slot);
// submit the subscriptions
attestation_service
.validator_subscriptions(subscriptions)
.unwrap();
let events = get_events(attestation_service, 192, 3).await;
let mut discover_peer_count = 0;
let mut subscribe_count = 0;
let mut enr_add_count = 0;
let mut unexpected_msg_count = 0;
for event in events {
match event {
AttServiceMessage::DiscoverPeers(_any_subnet) => {
discover_peer_count = discover_peer_count + 1
}
AttServiceMessage::Subscribe(_any_subnet) => subscribe_count = subscribe_count + 1,
AttServiceMessage::EnrAdd(_any_subnet) => enr_add_count = enr_add_count + 1,
_ => unexpected_msg_count = unexpected_msg_count + 1,
}
}
assert_eq!(discover_peer_count, 64);
assert_eq!(subscribe_count, 64);
assert_eq!(enr_add_count, 64);
assert_eq!(unexpected_msg_count, 0);
// test completed successfully
}
#[tokio::test]
async fn subscribe_all_random_subnets_plus_one() {
// subscribe 10 slots ahead so we do not produce any exact subnet messages
let subscription_slot = 10;
// the 65th subscription should result in no more messages than the previous scenario
let subscription_count = 65;
// create the attestation service and subscriptions
let mut attestation_service = get_attestation_service();
let current_slot = attestation_service
.beacon_chain
.slot_clock
.now()
.expect("Could not get current slot");
let subscriptions =
_get_subscriptions(subscription_count, current_slot + subscription_slot);
// submit the subscriptions
attestation_service
.validator_subscriptions(subscriptions)
.unwrap();
let events = get_events(attestation_service, 192, 3).await;
let mut discover_peer_count = 0;
let mut subscribe_count = 0;
let mut enr_add_count = 0;
let mut unexpected_msg_count = 0;
for event in events {
match event {
AttServiceMessage::DiscoverPeers(_any_subnet) => {
discover_peer_count = discover_peer_count + 1
}
AttServiceMessage::Subscribe(_any_subnet) => subscribe_count = subscribe_count + 1,
AttServiceMessage::EnrAdd(_any_subnet) => enr_add_count = enr_add_count + 1,
_ => unexpected_msg_count = unexpected_msg_count + 1,
}
}
assert_eq!(discover_peer_count, 64);
assert_eq!(subscribe_count, 64);
assert_eq!(enr_add_count, 64);
assert_eq!(unexpected_msg_count, 0);
}
}