예제 #1
0
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
예제 #2
0
def test_validator_withdrawal_suspend_after_chunk_challenge(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

    transition_to(spec, state, state.slot + spec.SLOTS_PER_EPOCH)

    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)

    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