def test_max_decrement(spec, state):
state.slot += spec.EPOCHS_PER_CUSTODY_PERIOD * spec.SLOTS_PER_EPOCH * 3 + 150
custody_key_reveal = get_valid_custody_key_reveal(spec, state)
_, _, _ = run_custody_key_reveal_processing(spec, state, custody_key_reveal)
custody_key_reveal2 = get_valid_custody_key_reveal(spec, state)
yield from run_custody_key_reveal_processing(spec, state, custody_key_reveal2)
def test_validator_withdrawal_reenable_after_custody_reveal(spec, state):
transition_to_valid_shard_slot(spec, state)
transition_to(spec, state, state.slot + 1) # Make len(offset_slots) == 1
spec.initiate_validator_exit(state, 0)
assert state.validators[0].withdrawable_epoch < spec.FAR_FUTURE_EPOCH
next_epoch_via_block(spec, state)
assert state.validators[0].withdrawable_epoch == spec.FAR_FUTURE_EPOCH
while spec.get_current_epoch(state) < state.validators[0].exit_epoch:
next_epoch_via_block(spec, state)
while (state.validators[0].next_custody_secret_to_reveal <=
spec.get_custody_period_for_validator(
0, state.validators[0].exit_epoch - 1)):
custody_key_reveal = get_valid_custody_key_reveal(spec,
state,
validator_index=0)
_, _, _ = run_custody_key_reveal_processing(spec, state,
custody_key_reveal)
yield from run_process_custody_final_updates(spec, state)
assert state.validators[0].withdrawable_epoch < spec.FAR_FUTURE_EPOCH
def test_double_reveal(spec, state):
state.slot += spec.EPOCHS_PER_CUSTODY_PERIOD * spec.SLOTS_PER_EPOCH * 2
custody_key_reveal = get_valid_custody_key_reveal(spec, state)
_, _, _ = run_custody_key_reveal_processing(spec, state, custody_key_reveal)
yield from run_custody_key_reveal_processing(spec, state, custody_key_reveal, False)
def test_custody_key_reveal(spec, state):
transition_to_valid_shard_slot(spec, state)
transition_to(spec, state, state.slot + spec.EPOCHS_PER_CUSTODY_PERIOD * spec.SLOTS_PER_EPOCH)
block = build_empty_block(spec, state, slot=state.slot + 1)
custody_key_reveal = get_valid_custody_key_reveal(spec, state)
block.body.custody_key_reveals = [custody_key_reveal]
yield from run_beacon_block(spec, state, block)
def test_validator_withdrawal_resume_after_chunk_challenge_response(spec, state):
transition_to_valid_shard_slot(spec, state)
transition_to(spec, state, state.slot + 1) # Make len(offset_slots) == 1
shard = 0
offset_slots = spec.get_offset_slots(state, shard)
shard_transition = get_sample_shard_transition(spec, state.slot, [2**15 // 3] * len(offset_slots))
attestation = get_valid_on_time_attestation(spec, state, index=shard, signed=True,
shard_transition=shard_transition)
transition_to(spec, state, state.slot + spec.MIN_ATTESTATION_INCLUSION_DELAY)
_, _, _ = run_attestation_processing(spec, state, attestation)
validator_index = spec.get_beacon_committee(
state,
attestation.data.slot,
attestation.data.index
)[0]
spec.initiate_validator_exit(state, validator_index)
assert state.validators[validator_index].withdrawable_epoch < spec.FAR_FUTURE_EPOCH
next_epoch_via_block(spec, state)
assert state.validators[validator_index].withdrawable_epoch == spec.FAR_FUTURE_EPOCH
while spec.get_current_epoch(state) < state.validators[validator_index].exit_epoch:
next_epoch_via_block(spec, state)
while (state.validators[validator_index].next_custody_secret_to_reveal
<= spec.get_custody_period_for_validator(
validator_index,
state.validators[validator_index].exit_epoch - 1)):
custody_key_reveal = get_valid_custody_key_reveal(spec, state, validator_index=validator_index)
_, _, _ = run_custody_key_reveal_processing(spec, state, custody_key_reveal)
next_epoch_via_block(spec, state)
challenge = get_valid_chunk_challenge(spec, state, attestation, shard_transition)
_, _, _ = run_chunk_challenge_processing(spec, state, challenge)
next_epoch_via_block(spec, state)
assert state.validators[validator_index].withdrawable_epoch == spec.FAR_FUTURE_EPOCH
chunk_challenge_index = state.custody_chunk_challenge_index - 1
custody_response = get_valid_custody_chunk_response(
spec, state, challenge, chunk_challenge_index, block_length_or_custody_data=2**15 // 3)
_, _, _ = run_custody_chunk_response_processing(spec, state, custody_response)
yield from run_process_custody_final_updates(spec, state)
assert state.validators[validator_index].withdrawable_epoch < spec.FAR_FUTURE_EPOCH
def test_validator_not_slashed_after_reveal(spec, state):
transition_to(spec, state, spec.EPOCHS_PER_CUSTODY_PERIOD * spec.SLOTS_PER_EPOCH)
custody_key_reveal = get_valid_custody_key_reveal(spec, state)
_, _, _ = run_custody_key_reveal_processing(spec, state, custody_key_reveal)
assert state.validators[0].slashed == 0
transition_to(spec, state, state.slot + spec.EPOCHS_PER_CUSTODY_PERIOD * spec.SLOTS_PER_EPOCH)
yield from run_process_challenge_deadlines(spec, state)
assert state.validators[0].slashed == 0
def test_validator_slashed_after_reveal_deadline(spec, state):
assert state.validators[0].slashed == 0
transition_to(spec, state, spec.get_randao_epoch_for_custody_period(0, 0) * spec.SLOTS_PER_EPOCH)
# Need to run at least one reveal so that not all validators are slashed (otherwise spec fails to find proposers)
custody_key_reveal = get_valid_custody_key_reveal(spec, state, validator_index=1)
_, _, _ = run_custody_key_reveal_processing(spec, state, custody_key_reveal)
transition_to(spec, state, state.slot + spec.EPOCHS_PER_CUSTODY_PERIOD * spec.SLOTS_PER_EPOCH)
state.validators[0].slashed = 0
yield from run_process_challenge_deadlines(spec, state)
assert state.validators[0].slashed == 1
def test_wrong_period(spec, state):
custody_key_reveal = get_valid_custody_key_reveal(spec, state, period=5)
yield from run_custody_key_reveal_processing(spec, state,
custody_key_reveal, False)
def test_reveal_too_early(spec, state):
custody_key_reveal = get_valid_custody_key_reveal(spec, state)
yield from run_custody_key_reveal_processing(spec, state,
custody_key_reveal, False)
def test_success(spec, state):
state.slot += spec.EPOCHS_PER_CUSTODY_PERIOD * spec.SLOTS_PER_EPOCH
custody_key_reveal = get_valid_custody_key_reveal(spec, state)
yield from run_custody_key_reveal_processing(spec, state,
custody_key_reveal)
