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must be correct target to get correct head

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Danny Ryan 2021-02-01 07:52:06 -07:00
parent ad01c85ff6
commit b029c75d88
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3 changed files with 20 additions and 7 deletions
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2
specs/lightclient/beacon-chain.md
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@ -374,7 +374,7 @@ def process_attestation(state: BeaconState, attestation: Attestation) -> None:
# Participation flags # Participation flags
participation_flags = [] participation_flags = []
if is_matching_head and state.slot <= data.slot + MIN_ATTESTATION_INCLUSION_DELAY: if is_matching_head and is_matching_target and state.slot <= data.slot + MIN_ATTESTATION_INCLUSION_DELAY:
participation_flags.append(TIMELY_HEAD_FLAG) participation_flags.append(TIMELY_HEAD_FLAG)
if is_matching_source and state.slot <= data.slot + integer_squareroot(SLOTS_PER_EPOCH): if is_matching_source and state.slot <= data.slot + integer_squareroot(SLOTS_PER_EPOCH):
participation_flags.append(TIMELY_SOURCE_FLAG) participation_flags.append(TIMELY_SOURCE_FLAG)

19
tests/core/pyspec/eth2spec/test/helpers/rewards.py
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@ -517,11 +517,18 @@ def run_test_full_random(spec, state, rng=Random(8020)):
pending_attestation.inclusion_delay = rng.randint(1, spec.SLOTS_PER_EPOCH) pending_attestation.inclusion_delay = rng.randint(1, spec.SLOTS_PER_EPOCH)
else: else:
for index in range(len(state.validators)): for index in range(len(state.validators)):
# ~1/3 have bad target # ~1/3 have bad head or bad target or not timely enough
state.previous_epoch_participation[index][spec.TIMELY_TARGET_FLAG] = rng.randint(0, 2) != 0 is_timely_correct_head = rng.randint(0, 2) != 0
# ~1/3 have bad head state.previous_epoch_participation[index][spec.TIMELY_HEAD_FLAG] = is_timely_correct_head
state.previous_epoch_participation[index][spec.TIMELY_HEAD_FLAG] = rng.randint(0, 2) != 0 if is_timely_correct_head:
# ~50% participation # If timely head, then must be timely target
state.previous_epoch_participation[index][spec.TIMELY_SOURCE_FLAG] = rng.choice([True, False]) state.previous_epoch_participation[index][spec.TIMELY_TARGET_FLAG] = True
# If timely head, then must be timely source
state.previous_epoch_participation[index][spec.TIMELY_SOURCE_FLAG] = True
else:
# ~50% of remaining have bad target or not timely enough
state.previous_epoch_participation[index][spec.TIMELY_TARGET_FLAG] = rng.choice([True, False])
# ~50% of remaining have bad source or not timely enough
state.previous_epoch_participation[index][spec.TIMELY_SOURCE_FLAG] = rng.choice([True, False])
yield from run_deltas(spec, state) yield from run_deltas(spec, state)

6
tests/core/pyspec/eth2spec/test/phase0/rewards/test_random.py
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@ -29,6 +29,12 @@ def test_full_random_2(spec, state):
yield from rewards_helpers.run_test_full_random(spec, state, rng=Random(3030)) yield from rewards_helpers.run_test_full_random(spec, state, rng=Random(3030))
@with_all_phases
@spec_state_test
def test_full_random_3(spec, state):
yield from rewards_helpers.run_test_full_random(spec, state, rng=Random(4040))
@with_all_phases @with_all_phases
@with_custom_state(balances_fn=low_balances, threshold_fn=lambda spec: spec.EJECTION_BALANCE) @with_custom_state(balances_fn=low_balances, threshold_fn=lambda spec: spec.EJECTION_BALANCE)
@spec_test @spec_test