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Reorg events (#2090)

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## Issue Addressed

Resolves #2088

## Proposed Changes

Add the `chain_reorg` SSE event topic

## Additional Info


Co-authored-by: realbigsean <seananderson33@gmail.com>
Co-authored-by: Paul Hauner <paul@paulhauner.com>
This commit is contained in:
realbigsean
2021-06-17 02:10:46 +00:00
parent 3261eff0bf
commit b1657a60e9
10 changed files with 412 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

41
beacon_node/http_api/tests/tests.rs
View File

@@ -60,6 +60,7 @@ struct ApiTester {
chain: Arc<BeaconChain<EphemeralHarnessType<E>>>,
client: BeaconNodeHttpClient,
next_block: SignedBeaconBlock<E>,
reorg_block: SignedBeaconBlock<E>,
attestations: Vec<Attestation<E>>,
attester_slashing: AttesterSlashing<E>,
proposer_slashing: ProposerSlashing,
@@ -105,6 +106,10 @@ impl ApiTester {
let (next_block, _next_state) =
harness.make_block(head.beacon_state.clone(), harness.chain.slot().unwrap());
// `make_block` adds random graffiti, so this will produce an alternate block
let (reorg_block, _reorg_state) =
harness.make_block(head.beacon_state.clone(), harness.chain.slot().unwrap());
let head_state_root = head.beacon_state_root();
let attestations = harness
.get_unaggregated_attestations(
@@ -213,6 +218,7 @@ impl ApiTester {
chain,
client,
next_block,
reorg_block,
attestations,
attester_slashing,
proposer_slashing,
@@ -238,6 +244,10 @@ impl ApiTester {
let (next_block, _next_state) =
harness.make_block(head.beacon_state.clone(), harness.chain.slot().unwrap());
// `make_block` adds random graffiti, so this will produce an alternate block
let (reorg_block, _reorg_state) =
harness.make_block(head.beacon_state.clone(), harness.chain.slot().unwrap());
let head_state_root = head.beacon_state_root();
let attestations = harness
.get_unaggregated_attestations(
@@ -320,6 +330,7 @@ impl ApiTester {
chain,
client,
next_block,
reorg_block,
attestations,
attester_slashing,
proposer_slashing,
@@ -2233,6 +2244,36 @@ impl ApiTester {
&[expected_block, expected_finalized, expected_head]
);
// Test a reorg event
let mut chain_reorg_event_future = self
.client
.get_events::<E>(&[EventTopic::ChainReorg])
.await
.unwrap();
let expected_reorg = EventKind::ChainReorg(SseChainReorg {
slot: self.next_block.slot(),
depth: 1,
old_head_block: self.next_block.canonical_root(),
old_head_state: self.next_block.state_root(),
new_head_block: self.reorg_block.canonical_root(),
new_head_state: self.reorg_block.state_root(),
epoch: self.next_block.slot().epoch(E::slots_per_epoch()),
});
self.client
.post_beacon_blocks(&self.reorg_block)
.await
.unwrap();
let reorg_event = poll_events(
&mut chain_reorg_event_future,
1,
Duration::from_millis(10000),
)
.await;
assert_eq!(reorg_event.as_slice(), &[expected_reorg]);
self
}