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Add test for exits spanning epochs (#3476)

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## Issue Addressed

NA

## Proposed Changes

Adds a test that was written whilst doing some testing. This PR does not make changes to production code, it just adds a test for already existing functionality.

## Additional Info

NA
This commit is contained in:
Paul Hauner 2022-08-17 02:36:40 +00:00
parent 8255c8682e
commit 7664776fc4
1 changed files with 69 additions and 2 deletions
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71
consensus/state_processing/src/per_block_processing/tests.rs
View File

@ -7,8 +7,8 @@ use crate::per_block_processing::errors::{
ProposerSlashingInvalid,
};
use crate::{
per_block_processing::process_operations, BlockSignatureStrategy, VerifyBlockRoot,
VerifySignatures,
per_block_processing::{process_operations, verify_exit::verify_exit},
BlockSignatureStrategy, VerifyBlockRoot, VerifySignatures,
};
use beacon_chain::test_utils::{BeaconChainHarness, EphemeralHarnessType};
use lazy_static::lazy_static;
@ -910,3 +910,70 @@ async fn invalid_proposer_slashing_proposal_epoch_mismatch() {
})
);
}
#[tokio::test]
async fn fork_spanning_exit() {
let mut spec = MainnetEthSpec::default_spec();
let slots_per_epoch = MainnetEthSpec::slots_per_epoch();
spec.altair_fork_epoch = Some(Epoch::new(2));
spec.bellatrix_fork_epoch = Some(Epoch::new(4));
spec.shard_committee_period = 0;
let harness = BeaconChainHarness::builder(MainnetEthSpec::default())
.spec(spec.clone())
.deterministic_keypairs(VALIDATOR_COUNT)
.mock_execution_layer()
.fresh_ephemeral_store()
.build();
harness.extend_to_slot(slots_per_epoch.into()).await;
/*
* Produce an exit *before* Altair.
*/
let signed_exit = harness.make_voluntary_exit(0, Epoch::new(1));
assert!(signed_exit.message.epoch < spec.altair_fork_epoch.unwrap());
/*
* Ensure the exit verifies before Altair.
*/
let head = harness.chain.canonical_head.cached_head();
let head_state = &head.snapshot.beacon_state;
assert!(head_state.current_epoch() < spec.altair_fork_epoch.unwrap());
verify_exit(head_state, &signed_exit, VerifySignatures::True, &spec)
.expect("phase0 exit verifies against phase0 state");
/*
* Ensure the exit verifies after Altair.
*/
harness
.extend_to_slot(spec.altair_fork_epoch.unwrap().start_slot(slots_per_epoch))
.await;
let head = harness.chain.canonical_head.cached_head();
let head_state = &head.snapshot.beacon_state;
assert!(head_state.current_epoch() >= spec.altair_fork_epoch.unwrap());
assert!(head_state.current_epoch() < spec.bellatrix_fork_epoch.unwrap());
verify_exit(head_state, &signed_exit, VerifySignatures::True, &spec)
.expect("phase0 exit verifies against altair state");
/*
* Ensure the exit no longer verifies after Bellatrix.
*/
harness
.extend_to_slot(
spec.bellatrix_fork_epoch
.unwrap()
.start_slot(slots_per_epoch),
)
.await;
let head = harness.chain.canonical_head.cached_head();
let head_state = &head.snapshot.beacon_state;
assert!(head_state.current_epoch() >= spec.bellatrix_fork_epoch.unwrap());
verify_exit(head_state, &signed_exit, VerifySignatures::True, &spec)
.expect_err("phase0 exit does not verify against bellatrix state");
}