alternate availability store schema (#2237)

* alternate availability store schema

* improvements

* tweaks

* new DB schema and skeleton

* expand skeleton and tweaks

* handle backing and inclusion

* let finality be handled later

* handle finalized blocks

* implement query methods

* implement chunk storing

* StoreAvailableData

* fix an off-by-one

* implement pruning

* reinstate subsystem trait impl

* reinstate metrics

* fix warnings

* remove chunks_cache

* oops

* actually store the available data

* mockable pruning interval

* fix tests

* spacing

* fix code grumbles

* guide improvements

* make time mockable

* implement a mocked clock for testing

* return DB errors

* Update node/core/av-store/Cargo.toml

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

* Update roadmap/implementers-guide/src/node/utility/availability-store.md

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

* Update roadmap/implementers-guide/src/node/utility/availability-store.md

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

* review grumbles & clarity

* fix review grumbles

* Add docs

Co-authored-by: Andronik Ordian <write@reusable.software>

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>
Co-authored-by: Andronik Ordian <write@reusable.software>
This commit is contained in:
Robert Habermeier
2021-01-11 12:46:09 -05:00
committed by GitHub
parent f9ce261707
commit aedf089691
6 changed files with 1441 additions and 1366 deletions
File diff suppressed because it is too large Load Diff
+346 -256
View File
@@ -26,13 +26,15 @@ use futures::{
use polkadot_primitives::v1::{
AvailableData, BlockData, CandidateDescriptor, CandidateReceipt, HeadData,
PersistedValidationData, PoV, Id as ParaId, CandidateHash,
PersistedValidationData, PoV, Id as ParaId, CandidateHash, Header, ValidatorId,
};
use polkadot_node_subsystem_util::TimeoutExt;
use polkadot_subsystem::{
ActiveLeavesUpdate, errors::RuntimeApiError, JaegerSpan,
ActiveLeavesUpdate, errors::RuntimeApiError, JaegerSpan, messages::AllMessages,
};
use polkadot_node_subsystem_test_helpers as test_helpers;
use sp_keyring::Sr25519Keyring;
use parking_lot::Mutex;
struct TestHarness {
virtual_overseer: test_helpers::TestSubsystemContextHandle<AvailabilityStoreMessage>,
@@ -60,9 +62,41 @@ impl TestCandidateBuilder {
}
}
#[derive(Clone)]
struct TestClock {
inner: Arc<Mutex<Duration>>,
}
impl TestClock {
fn now(&self) -> Duration {
self.inner.lock().clone()
}
fn inc(&self, by: Duration) {
*self.inner.lock() += by;
}
}
impl Clock for TestClock {
fn now(&self) -> Result<Duration, Error> {
Ok(TestClock::now(self))
}
}
#[derive(Clone)]
struct TestState {
persisted_validation_data: PersistedValidationData,
pruning_config: PruningConfig,
clock: TestClock,
}
impl TestState {
// pruning is only polled periodically, so we sometimes need to delay until
// we're sure the subsystem has done pruning.
async fn wait_for_pruning(&self) {
Delay::new(self.pruning_config.pruning_interval * 2).await
}
}
impl Default for TestState {
@@ -77,20 +111,26 @@ impl Default for TestState {
};
let pruning_config = PruningConfig {
keep_stored_block_for: Duration::from_secs(1),
keep_finalized_block_for: Duration::from_secs(2),
keep_finalized_chunk_for: Duration::from_secs(2),
keep_unavailable_for: Duration::from_secs(1),
keep_finalized_for: Duration::from_secs(2),
pruning_interval: Duration::from_millis(250),
};
let clock = TestClock {
inner: Arc::new(Mutex::new(Duration::from_secs(0))),
};
Self {
persisted_validation_data,
pruning_config,
clock,
}
}
}
fn test_harness<T: Future<Output=()>>(
pruning_config: PruningConfig,
state: TestState,
store: Arc<dyn KeyValueDB>,
test: impl FnOnce(TestHarness) -> T,
) {
@@ -109,7 +149,12 @@ fn test_harness<T: Future<Output=()>>(
let pool = sp_core::testing::TaskExecutor::new();
let (context, virtual_overseer) = test_helpers::make_subsystem_context(pool.clone());
let subsystem = AvailabilityStoreSubsystem::new_in_memory(store, pruning_config);
let subsystem = AvailabilityStoreSubsystem::new_in_memory(
store,
state.pruning_config.clone(),
Box::new(state.clock),
);
let subsystem = run(subsystem, context);
let test_fut = test(TestHarness {
@@ -170,11 +215,17 @@ async fn overseer_signal(
.expect(&format!("{:?} is more than enough for sending signals.", TIMEOUT));
}
fn with_tx(db: &Arc<impl KeyValueDB>, f: impl FnOnce(&mut DBTransaction)) {
let mut tx = DBTransaction::new();
f(&mut tx);
db.write(tx).unwrap();
}
#[test]
fn runtime_api_error_does_not_stop_the_subsystem() {
let store = Arc::new(kvdb_memorydb::create(columns::NUM_COLUMNS));
test_harness(PruningConfig::default(), store, |test_harness| async move {
test_harness(TestState::default(), store, |test_harness| async move {
let TestHarness { mut virtual_overseer } = test_harness;
let new_leaf = Hash::repeat_byte(0x01);
@@ -218,7 +269,59 @@ fn runtime_api_error_does_not_stop_the_subsystem() {
#[test]
fn store_chunk_works() {
let store = Arc::new(kvdb_memorydb::create(columns::NUM_COLUMNS));
test_harness(PruningConfig::default(), store.clone(), |test_harness| async move {
test_harness(TestState::default(), store.clone(), |test_harness| async move {
let TestHarness { mut virtual_overseer } = test_harness;
let relay_parent = Hash::repeat_byte(32);
let candidate_hash = CandidateHash(Hash::repeat_byte(33));
let validator_index = 5;
let n_validators = 10;
let chunk = ErasureChunk {
chunk: vec![1, 2, 3],
index: validator_index,
proof: vec![vec![3, 4, 5]],
};
// Ensure an entry already exists. In reality this would come from watching
// chain events.
with_tx(&store, |tx| {
super::write_meta(tx, &candidate_hash, &CandidateMeta {
data_available: false,
chunks_stored: bitvec::bitvec![BitOrderLsb0, u8; 0; n_validators],
state: State::Unavailable(BETimestamp(0)),
});
});
let (tx, rx) = oneshot::channel();
let chunk_msg = AvailabilityStoreMessage::StoreChunk {
candidate_hash,
relay_parent,
chunk: chunk.clone(),
tx,
};
overseer_send(&mut virtual_overseer, chunk_msg.into()).await;
assert_eq!(rx.await.unwrap(), Ok(()));
let (tx, rx) = oneshot::channel();
let query_chunk = AvailabilityStoreMessage::QueryChunk(
candidate_hash,
validator_index,
tx,
);
overseer_send(&mut virtual_overseer, query_chunk.into()).await;
assert_eq!(rx.await.unwrap().unwrap(), chunk);
});
}
#[test]
fn store_chunk_does_nothing_if_no_entry_already() {
let store = Arc::new(kvdb_memorydb::create(columns::NUM_COLUMNS));
test_harness(TestState::default(), store.clone(), |test_harness| async move {
let TestHarness { mut virtual_overseer } = test_harness;
let relay_parent = Hash::repeat_byte(32);
let candidate_hash = CandidateHash(Hash::repeat_byte(33));
@@ -240,19 +343,7 @@ fn store_chunk_works() {
};
overseer_send(&mut virtual_overseer, chunk_msg.into()).await;
assert_matches!(
overseer_recv(&mut virtual_overseer).await,
AllMessages::ChainApi(ChainApiMessage::BlockNumber(
hash,
tx,
)) => {
assert_eq!(hash, relay_parent);
tx.send(Ok(Some(4))).unwrap();
}
);
assert_eq!(rx.await.unwrap(), Ok(()));
assert_eq!(rx.await.unwrap(), Err(()));
let (tx, rx) = oneshot::channel();
let query_chunk = AvailabilityStoreMessage::QueryChunk(
@@ -263,7 +354,52 @@ fn store_chunk_works() {
overseer_send(&mut virtual_overseer, query_chunk.into()).await;
assert_eq!(rx.await.unwrap().unwrap(), chunk);
assert!(rx.await.unwrap().is_none());
});
}
#[test]
fn query_chunk_checks_meta() {
let store = Arc::new(kvdb_memorydb::create(columns::NUM_COLUMNS));
test_harness(TestState::default(), store.clone(), |test_harness| async move {
let TestHarness { mut virtual_overseer } = test_harness;
let candidate_hash = CandidateHash(Hash::repeat_byte(33));
let validator_index = 5;
let n_validators = 10;
// Ensure an entry already exists. In reality this would come from watching
// chain events.
with_tx(&store, |tx| {
super::write_meta(tx, &candidate_hash, &CandidateMeta {
data_available: false,
chunks_stored: {
let mut v = bitvec::bitvec![BitOrderLsb0, u8; 0; n_validators];
v.set(validator_index as usize, true);
v
},
state: State::Unavailable(BETimestamp(0)),
});
});
let (tx, rx) = oneshot::channel();
let query_chunk = AvailabilityStoreMessage::QueryChunkAvailability(
candidate_hash,
validator_index,
tx,
);
overseer_send(&mut virtual_overseer, query_chunk.into()).await;
assert!(rx.await.unwrap());
let (tx, rx) = oneshot::channel();
let query_chunk = AvailabilityStoreMessage::QueryChunkAvailability(
candidate_hash,
validator_index + 1,
tx,
);
overseer_send(&mut virtual_overseer, query_chunk.into()).await;
assert!(!rx.await.unwrap());
});
}
@@ -271,7 +407,7 @@ fn store_chunk_works() {
fn store_block_works() {
let store = Arc::new(kvdb_memorydb::create(columns::NUM_COLUMNS));
let test_state = TestState::default();
test_harness(test_state.pruning_config.clone(), store.clone(), |test_harness| async move {
test_harness(test_state.clone(), store.clone(), |test_harness| async move {
let TestHarness { mut virtual_overseer } = test_harness;
let candidate_hash = CandidateHash(Hash::repeat_byte(1));
let validator_index = 5;
@@ -283,7 +419,7 @@ fn store_block_works() {
let available_data = AvailableData {
pov: Arc::new(pov),
validation_data: test_state.persisted_validation_data,
validation_data: test_state.persisted_validation_data.clone(),
};
@@ -319,13 +455,12 @@ fn store_block_works() {
});
}
#[test]
fn store_pov_and_query_chunk_works() {
let store = Arc::new(kvdb_memorydb::create(columns::NUM_COLUMNS));
let test_state = TestState::default();
test_harness(test_state.pruning_config.clone(), store.clone(), |test_harness| async move {
test_harness(test_state.clone(), store.clone(), |test_harness| async move {
let TestHarness { mut virtual_overseer } = test_harness;
let candidate_hash = CandidateHash(Hash::repeat_byte(1));
let n_validators = 10;
@@ -336,11 +471,10 @@ fn store_pov_and_query_chunk_works() {
let available_data = AvailableData {
pov: Arc::new(pov),
validation_data: test_state.persisted_validation_data,
validation_data: test_state.persisted_validation_data.clone(),
};
let no_metrics = Metrics(None);
let chunks_expected = get_chunks(&available_data, n_validators as usize, &no_metrics).unwrap();
let chunks_expected = erasure::obtain_chunks_v1(n_validators as _, &available_data).unwrap();
let (tx, rx) = oneshot::channel();
let block_msg = AvailabilityStoreMessage::StoreAvailableData(
@@ -358,71 +492,17 @@ fn store_pov_and_query_chunk_works() {
for validator_index in 0..n_validators {
let chunk = query_chunk(&mut virtual_overseer, candidate_hash, validator_index).await.unwrap();
assert_eq!(chunk, chunks_expected[validator_index as usize]);
assert_eq!(chunk.chunk, chunks_expected[validator_index as usize]);
}
});
}
#[test]
fn stored_but_not_included_chunk_is_pruned() {
let store = Arc::new(kvdb_memorydb::create(columns::NUM_COLUMNS));
let test_state = TestState::default();
test_harness(test_state.pruning_config.clone(), store.clone(), |test_harness| async move {
let TestHarness { mut virtual_overseer } = test_harness;
let candidate_hash = CandidateHash(Hash::repeat_byte(1));
let relay_parent = Hash::repeat_byte(2);
let validator_index = 5;
let chunk = ErasureChunk {
chunk: vec![1, 2, 3],
index: validator_index,
proof: vec![vec![3, 4, 5]],
};
let (tx, rx) = oneshot::channel();
let chunk_msg = AvailabilityStoreMessage::StoreChunk {
candidate_hash,
relay_parent,
chunk: chunk.clone(),
tx,
};
overseer_send(&mut virtual_overseer, chunk_msg.into()).await;
assert_matches!(
overseer_recv(&mut virtual_overseer).await,
AllMessages::ChainApi(ChainApiMessage::BlockNumber(
hash,
tx,
)) => {
assert_eq!(hash, relay_parent);
tx.send(Ok(Some(4))).unwrap();
}
);
rx.await.unwrap().unwrap();
// At this point data should be in the store.
assert_eq!(
query_chunk(&mut virtual_overseer, candidate_hash, validator_index).await.unwrap(),
chunk,
);
// Wait for twice as long as the stored block kept for.
Delay::new(test_state.pruning_config.keep_stored_block_for * 2).await;
// The block was not included by this point so it should be pruned now.
assert!(query_chunk(&mut virtual_overseer, candidate_hash, validator_index).await.is_none());
});
}
#[test]
fn stored_but_not_included_data_is_pruned() {
let store = Arc::new(kvdb_memorydb::create(columns::NUM_COLUMNS));
let test_state = TestState::default();
test_harness(test_state.pruning_config.clone(), store.clone(), |test_harness| async move {
test_harness(test_state.clone(), store.clone(), |test_harness| async move {
let TestHarness { mut virtual_overseer } = test_harness;
let candidate_hash = CandidateHash(Hash::repeat_byte(1));
let n_validators = 10;
@@ -433,7 +513,7 @@ fn stored_but_not_included_data_is_pruned() {
let available_data = AvailableData {
pov: Arc::new(pov),
validation_data: test_state.persisted_validation_data,
validation_data: test_state.persisted_validation_data.clone(),
};
let (tx, rx) = oneshot::channel();
@@ -455,8 +535,9 @@ fn stored_but_not_included_data_is_pruned() {
available_data,
);
// Wait for twice as long as the stored block kept for.
Delay::new(test_state.pruning_config.keep_stored_block_for * 2).await;
// Wait until pruning.
test_state.clock.inc(test_state.pruning_config.keep_unavailable_for);
test_state.wait_for_pruning().await;
// The block was not included by this point so it should be pruned now.
assert!(query_available_data(&mut virtual_overseer, candidate_hash).await.is_none());
@@ -468,7 +549,7 @@ fn stored_data_kept_until_finalized() {
let store = Arc::new(kvdb_memorydb::create(columns::NUM_COLUMNS));
let test_state = TestState::default();
test_harness(test_state.pruning_config.clone(), store.clone(), |test_harness| async move {
test_harness(test_state.clone(), store.clone(), |test_harness| async move {
let TestHarness { mut virtual_overseer } = test_harness;
let n_validators = 10;
@@ -487,9 +568,12 @@ fn stored_data_kept_until_finalized() {
let available_data = AvailableData {
pov: Arc::new(pov),
validation_data: test_state.persisted_validation_data,
validation_data: test_state.persisted_validation_data.clone(),
};
let parent = Hash::repeat_byte(2);
let block_number = 10;
let (tx, rx) = oneshot::channel();
let block_msg = AvailabilityStoreMessage::StoreAvailableData(
candidate_hash,
@@ -509,29 +593,17 @@ fn stored_data_kept_until_finalized() {
available_data,
);
let new_leaf = Hash::repeat_byte(2);
overseer_signal(
let new_leaf = import_leaf(
&mut virtual_overseer,
OverseerSignal::ActiveLeaves(ActiveLeavesUpdate {
activated: vec![(new_leaf, Arc::new(JaegerSpan::Disabled))].into(),
deactivated: vec![].into(),
}),
parent,
block_number,
vec![CandidateEvent::CandidateIncluded(candidate, HeadData::default())],
(0..n_validators).map(|_| Sr25519Keyring::Alice.public().into()).collect(),
).await;
assert_matches!(
overseer_recv(&mut virtual_overseer).await,
AllMessages::RuntimeApi(RuntimeApiMessage::Request(
relay_parent,
RuntimeApiRequest::CandidateEvents(tx),
)) => {
assert_eq!(relay_parent, new_leaf);
tx.send(Ok(vec![
CandidateEvent::CandidateIncluded(candidate, HeadData::default()),
])).unwrap();
}
);
Delay::new(test_state.pruning_config.keep_stored_block_for * 10).await;
// Wait until unavailable data would definitely be pruned.
test_state.clock.inc(test_state.pruning_config.keep_unavailable_for * 10);
test_state.wait_for_pruning().await;
// At this point data should _still_ be in the store.
assert_eq!(
@@ -539,13 +611,18 @@ fn stored_data_kept_until_finalized() {
available_data,
);
assert!(
query_all_chunks(&mut virtual_overseer, candidate_hash, n_validators, true).await
);
overseer_signal(
&mut virtual_overseer,
OverseerSignal::BlockFinalized(new_leaf, 10)
OverseerSignal::BlockFinalized(new_leaf, block_number)
).await;
// Wait for a half of the time finalized data should be available for
Delay::new(test_state.pruning_config.keep_finalized_block_for / 2).await;
// Wait until unavailable data would definitely be pruned.
test_state.clock.inc(test_state.pruning_config.keep_finalized_for / 2);
test_state.wait_for_pruning().await;
// At this point data should _still_ be in the store.
assert_eq!(
@@ -553,115 +630,21 @@ fn stored_data_kept_until_finalized() {
available_data,
);
// Wait until it is should be gone.
Delay::new(test_state.pruning_config.keep_finalized_block_for).await;
assert!(
query_all_chunks(&mut virtual_overseer, candidate_hash, n_validators, true).await
);
// Wait until it definitely should be gone.
test_state.clock.inc(test_state.pruning_config.keep_finalized_for);
test_state.wait_for_pruning().await;
// At this point data should be gone from the store.
assert!(
query_available_data(&mut virtual_overseer, candidate_hash).await.is_none(),
);
});
}
#[test]
fn stored_chunk_kept_until_finalized() {
let store = Arc::new(kvdb_memorydb::create(columns::NUM_COLUMNS));
let test_state = TestState::default();
test_harness(test_state.pruning_config.clone(), store.clone(), |test_harness| async move {
let TestHarness { mut virtual_overseer } = test_harness;
let relay_parent = Hash::repeat_byte(2);
let validator_index = 5;
let candidate = TestCandidateBuilder {
..Default::default()
}.build();
let candidate_hash = candidate.hash();
let chunk = ErasureChunk {
chunk: vec![1, 2, 3],
index: validator_index,
proof: vec![vec![3, 4, 5]],
};
let (tx, rx) = oneshot::channel();
let chunk_msg = AvailabilityStoreMessage::StoreChunk {
candidate_hash,
relay_parent,
chunk: chunk.clone(),
tx,
};
overseer_send(&mut virtual_overseer, chunk_msg.into()).await;
assert_matches!(
overseer_recv(&mut virtual_overseer).await,
AllMessages::ChainApi(ChainApiMessage::BlockNumber(
hash,
tx,
)) => {
assert_eq!(hash, relay_parent);
tx.send(Ok(Some(4))).unwrap();
}
);
rx.await.unwrap().unwrap();
// At this point data should be in the store.
assert_eq!(
query_chunk(&mut virtual_overseer, candidate_hash, validator_index).await.unwrap(),
chunk,
);
let new_leaf = Hash::repeat_byte(2);
overseer_signal(
&mut virtual_overseer,
OverseerSignal::ActiveLeaves(ActiveLeavesUpdate {
activated: vec![(new_leaf, Arc::new(JaegerSpan::Disabled))].into(),
deactivated: vec![].into(),
}),
).await;
assert_matches!(
overseer_recv(&mut virtual_overseer).await,
AllMessages::RuntimeApi(RuntimeApiMessage::Request(
relay_parent,
RuntimeApiRequest::CandidateEvents(tx),
)) => {
assert_eq!(relay_parent, new_leaf);
tx.send(Ok(vec![
CandidateEvent::CandidateIncluded(candidate, HeadData::default()),
])).unwrap();
}
);
Delay::new(test_state.pruning_config.keep_stored_block_for * 10).await;
// At this point data should _still_ be in the store.
assert_eq!(
query_chunk(&mut virtual_overseer, candidate_hash, validator_index).await.unwrap(),
chunk,
);
overseer_signal(
&mut virtual_overseer,
OverseerSignal::BlockFinalized(new_leaf, 10)
).await;
// Wait for a half of the time finalized data should be available for
Delay::new(test_state.pruning_config.keep_finalized_block_for / 2).await;
// At this point data should _still_ be in the store.
assert_eq!(
query_chunk(&mut virtual_overseer, candidate_hash, validator_index).await.unwrap(),
chunk,
);
// Wait until it is should be gone.
Delay::new(test_state.pruning_config.keep_finalized_chunk_for).await;
// At this point data should be gone from the store.
assert!(
query_available_data(&mut virtual_overseer, candidate_hash).await.is_none(),
query_all_chunks(&mut virtual_overseer, candidate_hash, n_validators, false).await
);
});
}
@@ -671,9 +654,14 @@ fn forkfullness_works() {
let store = Arc::new(kvdb_memorydb::create(columns::NUM_COLUMNS));
let test_state = TestState::default();
test_harness(test_state.pruning_config.clone(), store.clone(), |test_harness| async move {
test_harness(test_state.clone(), store.clone(), |test_harness| async move {
let TestHarness { mut virtual_overseer } = test_harness;
let n_validators = 10;
let block_number_1 = 5;
let block_number_2 = 5;
let validators: Vec<_> = (0..n_validators).map(|_| Sr25519Keyring::Alice.public().into()).collect();
let parent_1 = Hash::repeat_byte(3);
let parent_2 = Hash::repeat_byte(4);
let pov_1 = PoV {
block_data: BlockData(vec![1, 2, 3]),
@@ -708,7 +696,7 @@ fn forkfullness_works() {
let available_data_2 = AvailableData {
pov: Arc::new(pov_2),
validation_data: test_state.persisted_validation_data,
validation_data: test_state.persisted_validation_data.clone(),
};
let (tx, rx) = oneshot::channel();
@@ -747,47 +735,25 @@ fn forkfullness_works() {
available_data_2,
);
let new_leaf_1 = Hash::repeat_byte(2);
let new_leaf_2 = Hash::repeat_byte(3);
overseer_signal(
let new_leaf_1 = import_leaf(
&mut virtual_overseer,
OverseerSignal::ActiveLeaves(ActiveLeavesUpdate {
activated: vec![(new_leaf_1, Arc::new(JaegerSpan::Disabled)), (new_leaf_2, Arc::new(JaegerSpan::Disabled))].into(),
deactivated: vec![].into(),
}),
parent_1,
block_number_1,
vec![CandidateEvent::CandidateIncluded(candidate_1, HeadData::default())],
validators.clone(),
).await;
assert_matches!(
overseer_recv(&mut virtual_overseer).await,
AllMessages::RuntimeApi(RuntimeApiMessage::Request(
leaf,
RuntimeApiRequest::CandidateEvents(tx),
)) => {
assert_eq!(leaf, new_leaf_1);
tx.send(Ok(vec![
CandidateEvent::CandidateIncluded(candidate_1, HeadData::default()),
])).unwrap();
}
);
assert_matches!(
overseer_recv(&mut virtual_overseer).await,
AllMessages::RuntimeApi(RuntimeApiMessage::Request(
leaf,
RuntimeApiRequest::CandidateEvents(tx),
)) => {
assert_eq!(leaf, new_leaf_2);
tx.send(Ok(vec![
CandidateEvent::CandidateIncluded(candidate_2, HeadData::default()),
])).unwrap();
}
);
let _new_leaf_2 = import_leaf(
&mut virtual_overseer,
parent_2,
block_number_2,
vec![CandidateEvent::CandidateIncluded(candidate_2, HeadData::default())],
validators.clone(),
).await;
overseer_signal(
&mut virtual_overseer,
OverseerSignal::BlockFinalized(new_leaf_1, 5)
OverseerSignal::BlockFinalized(new_leaf_1, block_number_1)
).await;
// Data of both candidates should be still present in the DB.
@@ -800,10 +766,41 @@ fn forkfullness_works() {
query_available_data(&mut virtual_overseer, candidate_2_hash).await.unwrap(),
available_data_2,
);
// Wait for longer than finalized blocks should be kept for
Delay::new(test_state.pruning_config.keep_finalized_block_for + Duration::from_secs(1)).await;
// Data of both candidates should be gone now.
assert!(
query_all_chunks(&mut virtual_overseer, candidate_1_hash, n_validators, true).await,
);
assert!(
query_all_chunks(&mut virtual_overseer, candidate_2_hash, n_validators, true).await,
);
// Candidate 2 should now be considered unavailable and will be pruned.
test_state.clock.inc(test_state.pruning_config.keep_unavailable_for);
test_state.wait_for_pruning().await;
assert_eq!(
query_available_data(&mut virtual_overseer, candidate_1_hash).await.unwrap(),
available_data_1,
);
assert!(
query_available_data(&mut virtual_overseer, candidate_2_hash).await.is_none(),
);
assert!(
query_all_chunks(&mut virtual_overseer, candidate_1_hash, n_validators, true).await,
);
assert!(
query_all_chunks(&mut virtual_overseer, candidate_2_hash, n_validators, false).await,
);
// Wait for longer than finalized blocks should be kept for
test_state.clock.inc(test_state.pruning_config.keep_finalized_for);
test_state.wait_for_pruning().await;
// Everything should be pruned now.
assert!(
query_available_data(&mut virtual_overseer, candidate_1_hash).await.is_none(),
);
@@ -811,6 +808,14 @@ fn forkfullness_works() {
assert!(
query_available_data(&mut virtual_overseer, candidate_2_hash).await.is_none(),
);
assert!(
query_all_chunks(&mut virtual_overseer, candidate_1_hash, n_validators, false).await,
);
assert!(
query_all_chunks(&mut virtual_overseer, candidate_2_hash, n_validators, false).await,
);
});
}
@@ -838,3 +843,88 @@ async fn query_chunk(
rx.await.unwrap()
}
async fn query_all_chunks(
virtual_overseer: &mut test_helpers::TestSubsystemContextHandle<AvailabilityStoreMessage>,
candidate_hash: CandidateHash,
n_validators: u32,
expect_present: bool,
) -> bool {
for i in 0..n_validators {
if query_chunk(virtual_overseer, candidate_hash, i).await.is_some() != expect_present {
return false
}
}
true
}
async fn import_leaf(
virtual_overseer: &mut test_helpers::TestSubsystemContextHandle<AvailabilityStoreMessage>,
parent_hash: Hash,
block_number: BlockNumber,
events: Vec<CandidateEvent>,
validators: Vec<ValidatorId>,
) -> Hash {
let header = Header {
parent_hash,
number: block_number,
state_root: Hash::zero(),
extrinsics_root: Hash::zero(),
digest: Default::default(),
};
let new_leaf = header.hash();
overseer_signal(
virtual_overseer,
OverseerSignal::ActiveLeaves(ActiveLeavesUpdate {
activated: vec![(new_leaf, Arc::new(JaegerSpan::Disabled))].into(),
deactivated: vec![].into(),
}),
).await;
assert_matches!(
overseer_recv(virtual_overseer).await,
AllMessages::RuntimeApi(RuntimeApiMessage::Request(
relay_parent,
RuntimeApiRequest::CandidateEvents(tx),
)) => {
assert_eq!(relay_parent, new_leaf);
tx.send(Ok(events)).unwrap();
}
);
assert_matches!(
overseer_recv(virtual_overseer).await,
AllMessages::ChainApi(ChainApiMessage::BlockNumber(
relay_parent,
tx,
)) => {
assert_eq!(relay_parent, new_leaf);
tx.send(Ok(Some(block_number))).unwrap();
}
);
assert_matches!(
overseer_recv(virtual_overseer).await,
AllMessages::ChainApi(ChainApiMessage::BlockHeader(
relay_parent,
tx,
)) => {
assert_eq!(relay_parent, new_leaf);
tx.send(Ok(Some(header))).unwrap();
}
);
assert_matches!(
overseer_recv(virtual_overseer).await,
AllMessages::RuntimeApi(RuntimeApiMessage::Request(
relay_parent,
RuntimeApiRequest::Validators(tx),
)) => {
assert_eq!(relay_parent, parent_hash);
tx.send(Ok(validators)).unwrap();
}
);
new_leaf
}