157 lines
4.5 KiB
Python
157 lines
4.5 KiB
Python
from copy import deepcopy
|
|
import pytest
|
|
|
|
import eth2spec.phase0.spec as spec
|
|
|
|
from eth2spec.phase0.state_transition import (
|
|
state_transition,
|
|
)
|
|
from eth2spec.phase0.spec import (
|
|
get_current_epoch,
|
|
process_attestation,
|
|
slot_to_epoch,
|
|
)
|
|
from tests.helpers import (
|
|
build_empty_block_for_next_slot,
|
|
get_valid_attestation,
|
|
next_epoch,
|
|
next_slot,
|
|
)
|
|
|
|
|
|
# mark entire file as 'attestations'
|
|
pytestmark = pytest.mark.attestations
|
|
|
|
|
|
def run_attestation_processing(state, attestation, valid=True):
|
|
"""
|
|
Run ``process_attestation`` returning the pre and post state.
|
|
If ``valid == False``, run expecting ``AssertionError``
|
|
"""
|
|
post_state = deepcopy(state)
|
|
|
|
if not valid:
|
|
with pytest.raises(AssertionError):
|
|
process_attestation(post_state, attestation)
|
|
return state, None
|
|
|
|
process_attestation(post_state, attestation)
|
|
|
|
current_epoch = get_current_epoch(state)
|
|
target_epoch = slot_to_epoch(attestation.data.slot)
|
|
if target_epoch == current_epoch:
|
|
assert len(post_state.current_epoch_attestations) == len(state.current_epoch_attestations) + 1
|
|
else:
|
|
assert len(post_state.previous_epoch_attestations) == len(state.previous_epoch_attestations) + 1
|
|
|
|
return state, post_state
|
|
|
|
|
|
def test_success(state):
|
|
attestation = get_valid_attestation(state)
|
|
state.slot += spec.MIN_ATTESTATION_INCLUSION_DELAY
|
|
|
|
pre_state, post_state = run_attestation_processing(state, attestation)
|
|
|
|
return pre_state, attestation, post_state
|
|
|
|
|
|
def test_success_prevous_epoch(state):
|
|
attestation = get_valid_attestation(state)
|
|
block = build_empty_block_for_next_slot(state)
|
|
block.slot = state.slot + spec.SLOTS_PER_EPOCH
|
|
state_transition(state, block)
|
|
|
|
pre_state, post_state = run_attestation_processing(state, attestation)
|
|
|
|
return pre_state, attestation, post_state
|
|
|
|
|
|
def test_before_inclusion_delay(state):
|
|
attestation = get_valid_attestation(state)
|
|
# do not increment slot to allow for inclusion delay
|
|
|
|
pre_state, post_state = run_attestation_processing(state, attestation, False)
|
|
|
|
return pre_state, attestation, post_state
|
|
|
|
|
|
def test_after_epoch_slots(state):
|
|
attestation = get_valid_attestation(state)
|
|
block = build_empty_block_for_next_slot(state)
|
|
# increment past latest inclusion slot
|
|
block.slot = state.slot + spec.SLOTS_PER_EPOCH + 1
|
|
state_transition(state, block)
|
|
|
|
pre_state, post_state = run_attestation_processing(state, attestation, False)
|
|
|
|
return pre_state, attestation, post_state
|
|
|
|
|
|
def test_bad_source_epoch(state):
|
|
attestation = get_valid_attestation(state)
|
|
state.slot += spec.MIN_ATTESTATION_INCLUSION_DELAY
|
|
|
|
attestation.data.source_epoch += 10
|
|
|
|
pre_state, post_state = run_attestation_processing(state, attestation, False)
|
|
|
|
return pre_state, attestation, post_state
|
|
|
|
|
|
def test_bad_source_root(state):
|
|
attestation = get_valid_attestation(state)
|
|
state.slot += spec.MIN_ATTESTATION_INCLUSION_DELAY
|
|
|
|
attestation.data.source_root = b'\x42' * 32
|
|
|
|
pre_state, post_state = run_attestation_processing(state, attestation, False)
|
|
|
|
return pre_state, attestation, post_state
|
|
|
|
|
|
def test_non_zero_crosslink_data_root(state):
|
|
attestation = get_valid_attestation(state)
|
|
state.slot += spec.MIN_ATTESTATION_INCLUSION_DELAY
|
|
|
|
attestation.data.crosslink_data_root = b'\x42' * 32
|
|
|
|
pre_state, post_state = run_attestation_processing(state, attestation, False)
|
|
|
|
return pre_state, attestation, post_state
|
|
|
|
|
|
def test_bad_previous_crosslink(state):
|
|
next_epoch(state)
|
|
attestation = get_valid_attestation(state)
|
|
for _ in range(spec.MIN_ATTESTATION_INCLUSION_DELAY):
|
|
next_slot(state)
|
|
|
|
state.current_crosslinks[attestation.data.shard].epoch += 10
|
|
|
|
pre_state, post_state = run_attestation_processing(state, attestation, False)
|
|
|
|
return pre_state, attestation, post_state
|
|
|
|
|
|
def test_non_empty_custody_bitfield(state):
|
|
attestation = get_valid_attestation(state)
|
|
state.slot += spec.MIN_ATTESTATION_INCLUSION_DELAY
|
|
|
|
attestation.custody_bitfield = deepcopy(attestation.aggregation_bitfield)
|
|
|
|
pre_state, post_state = run_attestation_processing(state, attestation, False)
|
|
|
|
return pre_state, attestation, post_state
|
|
|
|
|
|
def test_empty_aggregation_bitfield(state):
|
|
attestation = get_valid_attestation(state)
|
|
state.slot += spec.MIN_ATTESTATION_INCLUSION_DELAY
|
|
|
|
attestation.aggregation_bitfield = b'\x00' * len(attestation.aggregation_bitfield)
|
|
|
|
pre_state, post_state = run_attestation_processing(state, attestation, False)
|
|
|
|
return pre_state, attestation, post_state
|