def test_success_one_in_queue(spec, state):
prepare_withdrawals_queue(spec, state, 1)
next_slot(spec, state)
execution_payload = build_empty_execution_payload(spec, state)
yield from run_withdrawals_processing(spec, state, execution_payload)
def test_success_max_per_slot_in_queue(spec, state):
prepare_withdrawals_queue(spec, state, spec.MAX_WITHDRAWALS_PER_PAYLOAD)
next_slot(spec, state)
execution_payload = build_empty_execution_payload(spec, state)
yield from run_withdrawals_processing(spec, state, execution_payload)
def test_success_empty_queue(spec, state):
assert len(state.withdrawals_queue) == 0
next_slot(spec, state)
execution_payload = build_empty_execution_payload(spec, state)
yield from run_withdrawals_processing(spec, state, execution_payload)
def test_parent_from_same_slot(spec, state):
yield 'pre', state
parent_block = build_empty_block_for_next_slot(spec, state)
signed_parent_block = state_transition_and_sign_block(
spec, state, parent_block)
child_block = parent_block.copy()
child_block.parent_root = state.latest_block_header.hash_tree_root()
if is_post_merge(spec):
child_block.body.execution_payload = build_empty_execution_payload(
spec, state)
# Show that normal path through transition fails
failed_state = state.copy()
expect_assertion_error(lambda: spec.state_transition(
failed_state,
spec.SignedBeaconBlock(message=child_block),
validate_result=False))
# Artificially bypass the restriction in the state transition to transition and sign block for test vectors
signed_child_block = process_and_sign_block_without_header_validations(
spec, state, child_block)
yield 'blocks', [signed_parent_block, signed_child_block]
yield 'post', None
def build_empty_block(spec, state, slot=None):
"""
Build empty block for ``slot``, built upon the latest block header seen by ``state``.
Slot must be greater than or equal to the current slot in ``state``.
"""
if slot is None:
slot = state.slot
if slot < state.slot:
raise Exception("build_empty_block cannot build blocks for past slots")
if state.slot < slot:
# transition forward in copied state to grab relevant data from state
state = state.copy()
spec.process_slots(state, slot)
state, parent_block_root = get_state_and_beacon_parent_root_at_slot(
spec, state, slot)
empty_block = spec.BeaconBlock()
empty_block.slot = slot
empty_block.proposer_index = spec.get_beacon_proposer_index(state)
empty_block.body.eth1_data.deposit_count = state.eth1_deposit_index
empty_block.parent_root = parent_block_root
if is_post_altair(spec):
empty_block.body.sync_aggregate.sync_committee_signature = spec.G2_POINT_AT_INFINITY
if is_post_merge(spec):
empty_block.body.execution_payload = build_empty_execution_payload(
spec, state)
apply_randao_reveal(spec, state, empty_block)
return empty_block
def test_success_regular_payload(spec, state):
# pre-state
state = build_state_with_complete_transition(spec, state)
next_slot(spec, state)
# execution payload
execution_payload = build_empty_execution_payload(spec, state)
yield from run_execution_payload_processing(spec, state, execution_payload)
def test_bad_random_regular_payload(spec, state):
# pre-state
state = build_state_with_complete_transition(spec, state)
next_slot(spec, state)
# execution payload
execution_payload = build_empty_execution_payload(spec, state)
execution_payload.random = b'\x04' * 32
yield from run_execution_payload_processing(spec, state, execution_payload, valid=False)
def test_gasused_gaslimit_plus_regular_payload(spec, state):
# pre-state
state = build_state_with_complete_transition(spec, state)
next_slot(spec, state)
# execution payload
execution_payload = build_empty_execution_payload(spec, state)
execution_payload.gas_used = execution_payload.gas_limit + uint64(1)
yield from run_execution_payload_processing(spec, state, execution_payload, valid=False)
def test_bad_parent_hash_regular_payload(spec, state):
# pre-state
state = build_state_with_complete_transition(spec, state)
next_slot(spec, state)
# execution payload
execution_payload = build_empty_execution_payload(spec, state)
execution_payload.parent_hash = spec.Hash32()
yield from run_execution_payload_processing(spec, state, execution_payload, valid=False)
def test_bad_timestamp_regular_payload(spec, state):
# pre-state
state = build_state_with_complete_transition(spec, state)
next_slot(spec, state)
# execution payload
execution_payload = build_empty_execution_payload(spec, state)
execution_payload.timestamp = execution_payload.timestamp + 1
yield from run_execution_payload_processing(spec, state, execution_payload, valid=False)
def test_gaslimit_max_first_payload(spec, state):
# pre-state
state = build_state_with_incomplete_transition(spec, state)
next_slot(spec, state)
# execution payload
execution_payload = build_empty_execution_payload(spec, state)
execution_payload.gas_limit = uint64(2**64 - 1)
yield from run_execution_payload_processing(spec, state, execution_payload)
def test_gaslimit_minimum_minus_regular_payload(spec, state):
# pre-state
state = build_state_with_complete_transition(spec, state)
next_slot(spec, state)
state.latest_execution_payload_header.gas_limit = spec.MIN_GAS_LIMIT
# execution payload
execution_payload = build_empty_execution_payload(spec, state)
execution_payload.gas_limit = execution_payload.gas_limit - uint64(1)
yield from run_execution_payload_processing(spec, state, execution_payload, valid=False)
def test_fail_max_per_slot_in_queue_one_less_in_withdrawals(spec, state):
prepare_withdrawals_queue(spec, state, spec.MAX_WITHDRAWALS_PER_PAYLOAD)
next_slot(spec, state)
execution_payload = build_empty_execution_payload(spec, state)
execution_payload.withdrawals = execution_payload.withdrawals[:-1]
yield from run_withdrawals_processing(spec,
state,
execution_payload,
valid=False)
def test_bad_execution_regular_payload(spec, state):
# completely valid payload, but execution itself fails (e.g. block exceeds gas limit)
# pre-state
state = build_state_with_complete_transition(spec, state)
next_slot(spec, state)
# execution payload
execution_payload = build_empty_execution_payload(spec, state)
yield from run_execution_payload_processing(spec, state, execution_payload, valid=False, execution_valid=False)
def test_fail_incorrect_dequeue_amount(spec, state):
prepare_withdrawals_queue(spec, state, 1)
next_slot(spec, state)
execution_payload = build_empty_execution_payload(spec, state)
execution_payload.withdrawals[0].amount += 1
yield from run_withdrawals_processing(spec,
state,
execution_payload,
valid=False)
def test_fail_one_in_queue_none_in_withdrawals(spec, state):
prepare_withdrawals_queue(spec, state, 1)
next_slot(spec, state)
execution_payload = build_empty_execution_payload(spec, state)
execution_payload.withdrawals = []
yield from run_withdrawals_processing(spec,
state,
execution_payload,
valid=False)
def test_non_empty_extra_data_regular_payload(spec, state):
# pre-state
state = build_state_with_complete_transition(spec, state)
next_slot(spec, state)
# execution payload
execution_payload = build_empty_execution_payload(spec, state)
execution_payload.extra_data = b'\x45' * 12
yield from run_execution_payload_processing(spec, state, execution_payload)
assert state.latest_execution_payload_header.extra_data == execution_payload.extra_data
def test_bad_random_first_payload(spec, state):
# pre-state
state = build_state_with_incomplete_transition(spec, state)
next_slot(spec, state)
# execution payload
execution_payload = build_empty_execution_payload(spec, state)
execution_payload.prev_randao = b'\x42' * 32
yield from run_execution_payload_processing(spec,
state,
execution_payload,
valid=False)
def test_gaslimit_lower_regular_payload(spec, state):
# pre-state
state = build_state_with_complete_transition(spec, state)
next_slot(spec, state)
# execution payload
execution_payload = build_empty_execution_payload(spec, state)
execution_payload.gas_limit = (
execution_payload.gas_limit -
execution_payload.gas_limit // spec.GAS_LIMIT_DENOMINATOR + uint64(1)
)
yield from run_execution_payload_processing(spec, state, execution_payload)
def test_gaslimit_upper_plus_regular_payload(spec, state):
# pre-state
state = build_state_with_complete_transition(spec, state)
next_slot(spec, state)
# execution payload
execution_payload = build_empty_execution_payload(spec, state)
execution_payload.gas_limit = (
execution_payload.gas_limit +
execution_payload.gas_limit // spec.GAS_LIMIT_DENOMINATOR
)
yield from run_execution_payload_processing(spec, state, execution_payload, valid=False)
def test_is_merge_block_and_is_execution_enabled(spec, state):
for result in expected_results:
(with_complete_transition, with_execution_payload, is_merge_block,
is_execution_enabled) = result
if with_complete_transition:
state = build_state_with_complete_transition(spec, state)
else:
state = build_state_with_incomplete_transition(spec, state)
body = spec.BeaconBlockBody()
if with_execution_payload:
body.execution_payload = build_empty_execution_payload(spec, state)
assert spec.is_merge_block(state, body) == is_merge_block
assert spec.is_execution_enabled(state, body) == is_execution_enabled
def test_fail_empty_queue_non_empty_withdrawals(spec, state):
assert len(state.withdrawals_queue) == 0
next_slot(spec, state)
execution_payload = build_empty_execution_payload(spec, state)
withdrawal = spec.Withdrawal(
index=0,
address=b'\x30' * 20,
amount=420,
)
execution_payload.withdrawals.append(withdrawal)
yield from run_withdrawals_processing(spec,
state,
execution_payload,
valid=False)
def test_fail_many_dequeued_incorrectly(spec, state):
prepare_withdrawals_queue(spec, state,
spec.MAX_WITHDRAWALS_PER_PAYLOAD * 4)
next_slot(spec, state)
execution_payload = build_empty_execution_payload(spec, state)
for i, withdrawal in enumerate(execution_payload.withdrawals):
if i % 3 == 0:
withdrawal.index += 1
elif i % 3 == 1:
withdrawal.address = (i).to_bytes(20, 'big')
else:
withdrawal.amount += 1
yield from run_withdrawals_processing(spec,
state,
execution_payload,
valid=False)
def test_fail_one_of_many_dequeued_incorrectly(spec, state):
prepare_withdrawals_queue(spec, state,
spec.MAX_WITHDRAWALS_PER_PAYLOAD * 4)
next_slot(spec, state)
execution_payload = build_empty_execution_payload(spec, state)
num_withdrawals = len(execution_payload.withdrawals)
# Pick withdrawal in middle of list and mutate
withdrawal = execution_payload.withdrawals[num_withdrawals // 2]
withdrawal.index += 1
withdrawal.address = b'\x99' * 20
withdrawal.amount += 4000000
yield from run_withdrawals_processing(spec,
state,
execution_payload,
valid=False)