306 lines
9.7 KiB
Rust
306 lines
9.7 KiB
Rust
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//! Tests for API behaviour across fork boundaries.
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use crate::common::*;
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use beacon_chain::{test_utils::RelativeSyncCommittee, StateSkipConfig};
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use eth2::types::{StateId, SyncSubcommittee};
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use types::{ChainSpec, Epoch, EthSpec, MinimalEthSpec, Slot};
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type E = MinimalEthSpec;
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fn altair_spec(altair_fork_epoch: Epoch) -> ChainSpec {
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let mut spec = E::default_spec();
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spec.altair_fork_epoch = Some(altair_fork_epoch);
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spec
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}
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#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
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async fn sync_committee_duties_across_fork() {
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let validator_count = E::sync_committee_size();
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let fork_epoch = Epoch::new(8);
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let spec = altair_spec(fork_epoch);
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let tester = InteractiveTester::<E>::new(Some(spec.clone()), validator_count);
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let harness = &tester.harness;
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let client = &tester.client;
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let all_validators = harness.get_all_validators();
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let all_validators_u64 = all_validators.iter().map(|x| *x as u64).collect::<Vec<_>>();
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assert_eq!(harness.get_current_slot(), 0);
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// Prior to the fork the endpoint should return an empty vec.
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let early_duties = client
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.post_validator_duties_sync(fork_epoch - 1, &all_validators_u64)
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.await
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.unwrap()
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.data;
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assert!(early_duties.is_empty());
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// If there's a skip slot at the fork slot, the endpoint should return duties, even
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// though the head state hasn't transitioned yet.
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let fork_slot = fork_epoch.start_slot(E::slots_per_epoch());
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let (genesis_state, genesis_state_root) = harness.get_current_state_and_root();
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let (_, state) = harness
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.add_attested_block_at_slot(
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fork_slot - 1,
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genesis_state,
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genesis_state_root,
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&all_validators,
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)
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.unwrap();
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harness.advance_slot();
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assert_eq!(harness.get_current_slot(), fork_slot);
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let sync_duties = client
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.post_validator_duties_sync(fork_epoch, &all_validators_u64)
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.await
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.unwrap()
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.data;
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assert_eq!(sync_duties.len(), E::sync_committee_size());
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// After applying a block at the fork slot the duties should remain unchanged.
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let state_root = state.canonical_root();
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harness
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.add_attested_block_at_slot(fork_slot, state, state_root, &all_validators)
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.unwrap();
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assert_eq!(
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client
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.post_validator_duties_sync(fork_epoch, &all_validators_u64)
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.await
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.unwrap()
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.data,
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sync_duties
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);
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// Sync duties should also be available for the next period.
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let current_period = fork_epoch.sync_committee_period(&spec).unwrap();
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let next_period_epoch = spec.epochs_per_sync_committee_period * (current_period + 1);
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let next_period_duties = client
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.post_validator_duties_sync(next_period_epoch, &all_validators_u64)
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.await
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.unwrap()
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.data;
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assert_eq!(next_period_duties.len(), E::sync_committee_size());
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// Sync duties should *not* be available for the period after the next period.
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// We expect a 400 (bad request) response.
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let next_next_period_epoch = spec.epochs_per_sync_committee_period * (current_period + 2);
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assert_eq!(
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client
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.post_validator_duties_sync(next_next_period_epoch, &all_validators_u64)
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.await
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.unwrap_err()
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.status()
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.unwrap(),
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400
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);
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}
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#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
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async fn attestations_across_fork_with_skip_slots() {
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let validator_count = E::sync_committee_size();
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let fork_epoch = Epoch::new(8);
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let spec = altair_spec(fork_epoch);
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let tester = InteractiveTester::<E>::new(Some(spec.clone()), validator_count);
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let harness = &tester.harness;
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let client = &tester.client;
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let all_validators = harness.get_all_validators();
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let fork_slot = fork_epoch.start_slot(E::slots_per_epoch());
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let fork_state = harness
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.chain
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.state_at_slot(fork_slot, StateSkipConfig::WithStateRoots)
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.unwrap();
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harness.set_current_slot(fork_slot);
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let attestations = harness.make_attestations(
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&all_validators,
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&fork_state,
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fork_state.canonical_root(),
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(*fork_state.get_block_root(fork_slot - 1).unwrap()).into(),
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fork_slot,
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);
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let unaggregated_attestations = attestations
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.iter()
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.flat_map(|(atts, _)| atts.iter().map(|(att, _)| att.clone()))
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.collect::<Vec<_>>();
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assert!(!unaggregated_attestations.is_empty());
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client
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.post_beacon_pool_attestations(&unaggregated_attestations)
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.await
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.unwrap();
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let signed_aggregates = attestations
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.into_iter()
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.filter_map(|(_, op_aggregate)| op_aggregate)
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.collect::<Vec<_>>();
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assert!(!signed_aggregates.is_empty());
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client
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.post_validator_aggregate_and_proof(&signed_aggregates)
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.await
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.unwrap();
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}
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#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
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async fn sync_contributions_across_fork_with_skip_slots() {
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let validator_count = E::sync_committee_size();
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let fork_epoch = Epoch::new(8);
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let spec = altair_spec(fork_epoch);
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let tester = InteractiveTester::<E>::new(Some(spec.clone()), validator_count);
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let harness = &tester.harness;
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let client = &tester.client;
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let fork_slot = fork_epoch.start_slot(E::slots_per_epoch());
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let fork_state = harness
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.chain
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.state_at_slot(fork_slot, StateSkipConfig::WithStateRoots)
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.unwrap();
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harness.set_current_slot(fork_slot);
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let sync_messages = harness.make_sync_contributions(
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&fork_state,
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*fork_state.get_block_root(fork_slot - 1).unwrap(),
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fork_slot,
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RelativeSyncCommittee::Current,
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);
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let sync_committee_messages = sync_messages
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.iter()
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.flat_map(|(messages, _)| messages.iter().map(|(message, _subnet)| message.clone()))
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.collect::<Vec<_>>();
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assert!(!sync_committee_messages.is_empty());
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client
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.post_beacon_pool_sync_committee_signatures(&sync_committee_messages)
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.await
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.unwrap();
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let signed_contributions = sync_messages
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.into_iter()
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.filter_map(|(_, op_aggregate)| op_aggregate)
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.collect::<Vec<_>>();
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assert!(!signed_contributions.is_empty());
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client
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.post_validator_contribution_and_proofs(&signed_contributions)
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.await
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.unwrap();
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}
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#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
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async fn sync_committee_indices_across_fork() {
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let validator_count = E::sync_committee_size();
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let fork_epoch = Epoch::new(8);
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let spec = altair_spec(fork_epoch);
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let tester = InteractiveTester::<E>::new(Some(spec.clone()), validator_count);
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let harness = &tester.harness;
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let client = &tester.client;
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let all_validators = harness.get_all_validators();
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// Flatten subcommittees into a single vec.
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let flatten = |subcommittees: &[SyncSubcommittee]| -> Vec<u64> {
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subcommittees
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.iter()
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.flat_map(|sub| sub.indices.iter().copied())
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.collect()
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};
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// Prior to the fork the `sync_committees` endpoint should return a 400 error.
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assert_eq!(
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client
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.get_beacon_states_sync_committees(StateId::Slot(Slot::new(0)), None)
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.await
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.unwrap_err()
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.status()
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.unwrap(),
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400
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);
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assert_eq!(
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client
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.get_beacon_states_sync_committees(StateId::Head, Some(Epoch::new(0)))
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.await
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.unwrap_err()
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.status()
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.unwrap(),
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400
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);
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// If there's a skip slot at the fork slot, the endpoint will return a 400 until a block is
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// applied.
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let fork_slot = fork_epoch.start_slot(E::slots_per_epoch());
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let (genesis_state, genesis_state_root) = harness.get_current_state_and_root();
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let (_, state) = harness
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.add_attested_block_at_slot(
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fork_slot - 1,
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genesis_state,
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genesis_state_root,
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&all_validators,
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)
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.unwrap();
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harness.advance_slot();
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assert_eq!(harness.get_current_slot(), fork_slot);
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// Using the head state must fail.
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assert_eq!(
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client
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.get_beacon_states_sync_committees(StateId::Head, Some(fork_epoch))
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.await
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.unwrap_err()
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.status()
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.unwrap(),
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400
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);
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// In theory we could do a state advance and make this work, but to keep things simple I've
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// avoided doing that for now.
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assert_eq!(
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client
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.get_beacon_states_sync_committees(StateId::Slot(fork_slot), None)
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.await
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.unwrap_err()
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.status()
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.unwrap(),
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400
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);
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// Once the head is updated it should be useable for requests, including in the next sync
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// committee period.
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let state_root = state.canonical_root();
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harness
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.add_attested_block_at_slot(fork_slot + 1, state, state_root, &all_validators)
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.unwrap();
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let current_period = fork_epoch.sync_committee_period(&spec).unwrap();
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let next_period_epoch = spec.epochs_per_sync_committee_period * (current_period + 1);
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assert!(next_period_epoch > fork_epoch);
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for epoch in [
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None,
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Some(fork_epoch),
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Some(fork_epoch + 1),
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Some(next_period_epoch),
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Some(next_period_epoch + 1),
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] {
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let committee = client
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.get_beacon_states_sync_committees(StateId::Head, epoch)
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.await
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.unwrap()
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.data;
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assert_eq!(committee.validators.len(), E::sync_committee_size());
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assert_eq!(
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committee.validators,
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flatten(&committee.validator_aggregates)
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);
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}
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}
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