def test_max_reveal_lateness_2(spec, state):
next_epoch(spec, state)
apply_empty_block(spec, state)
attestation = get_valid_attestation(spec, state, signed=True)
test_vector = get_custody_test_vector(
spec.get_custody_chunk_count(attestation.data.crosslink) * spec.BYTES_PER_CUSTODY_CHUNK)
shard_root = get_custody_merkle_root(test_vector)
attestation.data.crosslink.data_root = shard_root
attestation.custody_bits[0] = 0
next_epoch(spec, state)
apply_empty_block(spec, state)
_, _, _ = run_attestation_processing(spec, state, attestation)
challenge = get_valid_bit_challenge(spec, state, attestation)
responder_index = challenge.responder_index
state.validators[responder_index].max_reveal_lateness = 3
for i in range(spec.get_randao_epoch_for_custody_period(
spec.get_custody_period_for_validator(state, responder_index),
responder_index
) + 2 * spec.EPOCHS_PER_CUSTODY_PERIOD + state.validators[responder_index].max_reveal_lateness - 1):
next_epoch(spec, state)
apply_empty_block(spec, state)
yield from run_bit_challenge_processing(spec, state, challenge, False)
def test_custody_response_many_epochs(spec, state):
state.slot = spec.SLOTS_PER_EPOCH * 100
attestation = get_valid_attestation(spec, state, signed=True)
test_vector = get_custody_test_vector(
spec.get_custody_chunk_count(attestation.data.crosslink) * spec.BYTES_PER_CUSTODY_CHUNK)
shard_root = get_custody_merkle_root(test_vector)
attestation.data.crosslink.data_root = shard_root
attestation.custody_bits[0] = 0
state.slot += spec.MIN_ATTESTATION_INCLUSION_DELAY
_, _, _ = run_attestation_processing(spec, state, attestation)
state.slot += spec.SLOTS_PER_EPOCH * spec.EPOCHS_PER_CUSTODY_PERIOD
challenge = get_valid_bit_challenge(spec, state, attestation)
_, _, _ = run_bit_challenge_processing(spec, state, challenge)
bit_challenge_index = state.custody_challenge_index - 1
custody_response = get_valid_custody_response(spec, state, challenge, test_vector, bit_challenge_index)
yield from run_custody_response_processing(spec, state, custody_response)
def test_off_chain_attestation(spec, state):
state.slot = spec.SLOTS_PER_EPOCH
attestation = get_valid_attestation(spec, state, signed=True)
test_vector = get_custody_test_vector(
spec.get_custody_chunk_count(attestation.data.crosslink) * spec.BYTES_PER_CUSTODY_CHUNK)
shard_root = get_custody_merkle_root(test_vector)
attestation.data.crosslink.data_root = shard_root
attestation.custody_bits[0] = 0
state.slot += spec.MIN_ATTESTATION_INCLUSION_DELAY
state.slot += spec.SLOTS_PER_EPOCH * spec.EPOCHS_PER_CUSTODY_PERIOD
challenge = get_valid_bit_challenge(spec, state, attestation)
yield from run_bit_challenge_processing(spec, state, challenge)