def test_with_shard_transition_with_custody_challenge_and_response(spec, state):
transition_to_valid_shard_slot(spec, state)
# build shard block
shard = 0
committee_index = get_committee_index_of_shard(spec, state, state.slot, shard)
body = get_sample_shard_block_body(spec)
shard_block = build_shard_block(spec, state, shard, body=body, slot=state.slot, signed=True)
shard_block_dict: Dict[spec.Shard, Sequence[spec.SignedShardBlock]] = {shard: [shard_block]}
shard_transitions = get_shard_transitions(spec, state, shard_block_dict)
attestation = get_valid_on_time_attestation(
spec, state, index=committee_index,
shard_transition=shard_transitions[shard], signed=True,
)
block = build_empty_block(spec, state, slot=state.slot + 1)
block.body.attestations = [attestation]
block.body.shard_transitions = shard_transitions
# CustodyChunkChallenge operation
challenge = get_valid_chunk_challenge(spec, state, attestation, shard_transitions[shard])
block.body.chunk_challenges = [challenge]
# CustodyChunkResponse operation
chunk_challenge_index = state.custody_chunk_challenge_index
custody_response = get_valid_custody_chunk_response(
spec, state, challenge, chunk_challenge_index, block_length_or_custody_data=body)
block.body.chunk_challenge_responses = [custody_response]
yield from run_beacon_block(spec, state, block)
def test_invalid_proposer_index(spec, state):
beacon_state = state.copy()
transition_to_valid_shard_slot(spec, beacon_state)
shard = 0
shard_state = beacon_state.shard_states[shard]
signed_shard_block = build_shard_block(spec,
beacon_state,
shard,
slot=beacon_state.slot,
signed=True)
active_validator_indices = spec.get_active_validator_indices(
beacon_state, spec.get_current_epoch(beacon_state))
proposer_index = ((spec.get_shard_proposer_index(
beacon_state, signed_shard_block.message.slot, shard) + 1) %
len(active_validator_indices))
signed_shard_block.message.proposer_index = proposer_index
sign_shard_block(spec,
beacon_state,
shard,
signed_shard_block,
proposer_index=proposer_index)
yield from run_shard_blocks(spec,
shard_state,
signed_shard_block,
beacon_state,
valid=False)
def test_challenge_appended(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)
transition_to(
spec, state,
state.slot + spec.SLOTS_PER_EPOCH * spec.EPOCHS_PER_CUSTODY_PERIOD)
challenge = get_valid_chunk_challenge(spec, state, attestation,
shard_transition)
yield from run_chunk_challenge_processing(spec, state, challenge)
def test_pending_shard_parent_block(spec, state):
# Block N
beacon_state = state.copy()
transition_to_valid_shard_slot(spec, beacon_state)
shard = 0
shard_state = beacon_state.shard_states[shard]
signed_shard_block_1 = build_shard_block(spec,
beacon_state,
shard,
slot=beacon_state.slot,
signed=True)
_, _, _, _ = run_shard_blocks(spec, shard_state, signed_shard_block_1,
beacon_state)
# Block N+1
next_slot(spec, beacon_state)
signed_shard_block_2 = build_shard_block(spec,
beacon_state,
shard,
slot=beacon_state.slot,
shard_parent_state=shard_state,
signed=True)
assert signed_shard_block_2.message.shard_parent_root == shard_state.latest_block_root
assert signed_shard_block_2.message.slot == signed_shard_block_1.message.slot + 1
yield from run_shard_blocks(spec, shard_state, signed_shard_block_2,
beacon_state)
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_early_derived_secret_reveal(spec, state):
transition_to_valid_shard_slot(spec, state)
block = build_empty_block(spec, state, slot=state.slot + 1)
early_derived_secret_reveal = get_valid_early_derived_secret_reveal(spec, state)
block.body.early_derived_secret_reveals = [early_derived_secret_reveal]
yield from run_beacon_block(spec, state, block)
def test_custody_response_many_epochs(spec, state):
transition_to_valid_shard_slot(spec, state)
transition_to(spec, state, state.slot + spec.SLOTS_PER_EPOCH * 20)
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)
transition_to(spec, state, state.slot + spec.SLOTS_PER_EPOCH * (spec.EPOCHS_PER_CUSTODY_PERIOD - 1))
challenge = get_valid_chunk_challenge(spec, state, attestation, shard_transition)
_, _, _ = run_chunk_challenge_processing(spec, state, challenge)
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)
yield from run_custody_chunk_response_processing(spec, state, custody_response)
def test_validator_slashed_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]
challenge = get_valid_chunk_challenge(spec, state, attestation, shard_transition)
_, _, _ = run_chunk_challenge_processing(spec, state, challenge)
assert state.validators[validator_index].slashed == 0
transition_to(spec, state, state.slot + spec.MAX_CHUNK_CHALLENGE_DELAY * spec.SLOTS_PER_EPOCH)
state.validators[validator_index].slashed = 0
yield from run_process_challenge_deadlines(spec, state)
assert state.validators[validator_index].slashed == 1
def get_initial_env(spec, state, target_len_offset_slot):
transition_to_valid_shard_slot(spec, state)
committee_index = spec.CommitteeIndex(0)
target_shard_slot = state.slot + target_len_offset_slot - 1
shard = spec.compute_shard_from_committee_index(state, committee_index,
target_shard_slot)
assert state.shard_states[shard].slot == state.slot - 1
return state, shard, target_shard_slot
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_process_beacon_block_with_empty_proposal_transition(spec, state):
transition_to_valid_shard_slot(spec, state)
target_len_offset_slot = 1
committee_index = spec.CommitteeIndex(0)
shard = spec.compute_shard_from_committee_index(state, committee_index, state.slot + target_len_offset_slot - 1)
assert state.shard_states[shard].slot == state.slot - 1
yield from run_beacon_block_with_shard_blocks(spec, state, target_len_offset_slot, committee_index, shard)
def test_validator_withdrawal_delay(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
yield from run_process_custody_final_updates(spec, state)
assert state.validators[0].withdrawable_epoch == spec.FAR_FUTURE_EPOCH
def test_custody_slashing(spec, state):
transition_to_valid_shard_slot(spec, state)
# Build shard block
shard = 0
committee_index = get_committee_index_of_shard(spec, state, state.slot,
shard)
# Create slashable shard block body
validator_index = spec.get_beacon_committee(state, state.slot,
committee_index)[0]
custody_secret = spec.get_custody_secret(
state,
validator_index,
privkeys[validator_index],
spec.get_current_epoch(state),
)
slashable_body = get_custody_slashable_test_vector(spec,
custody_secret,
length=100,
slashable=True)
shard_block = build_shard_block(spec,
state,
shard,
body=slashable_body,
slot=state.slot,
signed=True)
shard_block_dict: Dict[spec.Shard, Sequence[spec.SignedShardBlock]] = {
shard: [shard_block]
}
shard_transitions = get_shard_transitions(spec, state, shard_block_dict)
attestation = get_valid_on_time_attestation(
spec,
state,
index=committee_index,
shard_transition=shard_transitions[shard],
signed=True,
)
block = build_empty_block(spec, state, slot=state.slot + 1)
block.body.attestations = [attestation]
block.body.shard_transitions = shard_transitions
_, _, _ = run_beacon_block(spec, state, block)
transition_to(
spec, state, state.slot + spec.SLOTS_PER_EPOCH *
(spec.EPOCHS_PER_CUSTODY_PERIOD - 1))
block = build_empty_block(spec, state, slot=state.slot + 1)
custody_slashing = get_valid_custody_slashing(spec, state, attestation,
shard_transitions[shard],
custody_secret,
slashable_body)
block.body.custody_slashings = [custody_slashing]
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_valid_shard_block(spec, state):
beacon_state = state.copy()
transition_to_valid_shard_slot(spec, beacon_state)
shard = 0
shard_state = beacon_state.shard_states[shard]
signed_shard_block = build_shard_block(spec,
state,
shard,
slot=beacon_state.slot,
signed=True)
yield from run_shard_blocks(spec, shard_state, signed_shard_block,
beacon_state)
def test_off_chain_attestation(spec, state):
transition_to_valid_shard_slot(spec, state)
transition_to(spec, state, state.slot + spec.SLOTS_PER_EPOCH)
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.SLOTS_PER_EPOCH * (spec.EPOCHS_PER_CUSTODY_PERIOD - 1))
challenge = get_valid_chunk_challenge(spec, state, attestation, shard_transition)
yield from run_chunk_challenge_processing(spec, state, challenge)
def test_process_beacon_block_with_normal_shard_transition(spec, state):
state = transition_to_valid_shard_slot(spec, state)
target_len_offset_slot = 1
committee_index = spec.CommitteeIndex(0)
shard = spec.compute_shard_from_committee_index(state, committee_index,
state.slot)
assert state.shard_states[shard].slot == state.slot - 1
pre_gasprice = state.shard_states[shard].gasprice
# Create SignedShardBlock at slot `shard_state.slot + 1`
body = b'\x56' * spec.MAX_SHARD_BLOCK_SIZE
shard_block = build_shard_block(spec, state, shard, body=body, signed=True)
shard_blocks: Dict[spec.Shard, Sequence[spec.SignedShardBlock]] = {
shard: [shard_block]
}
yield from run_beacon_block_with_shard_blocks(spec, state, shard_blocks,
target_len_offset_slot,
committee_index)
shard_state = state.shard_states[shard]
if target_len_offset_slot == 1 and len(shard_blocks) > 0:
assert shard_state.gasprice > pre_gasprice
def test_invalid_slot(spec, state):
if not is_full_crosslink(spec, state):
# skip
return
beacon_state = transition_to_valid_shard_slot(spec, state)
shard = 0
shard_state = beacon_state.shard_states[shard]
signed_shard_block = build_shard_block(spec,
beacon_state,
shard,
slot=beacon_state.slot,
signed=True)
signed_shard_block.message.slot = beacon_state.slot + 1
proposer_index = spec.get_shard_proposer_index(
beacon_state, signed_shard_block.message.slot, shard)
sign_shard_block(spec,
beacon_state,
shard,
signed_shard_block,
proposer_index=proposer_index)
yield from run_shard_blocks(spec,
shard_state,
signed_shard_block,
beacon_state,
valid=False)
def test_out_of_bound_offset(spec, state):
# TODO: Handle this edge case properly
if not is_full_crosslink(spec, state):
# skip
return
beacon_state = transition_to_valid_shard_slot(spec, state)
shard = 0
slot = (
beacon_state.shard_states[shard].slot +
spec.SHARD_BLOCK_OFFSETS[spec.MAX_SHARD_BLOCKS_PER_ATTESTATION - 1] +
1 # out-of-bound
)
transition_to(spec, beacon_state, slot)
shard_state = beacon_state.shard_states[shard]
signed_shard_block = build_shard_block(spec,
beacon_state,
shard,
slot=beacon_state.slot,
signed=True)
yield from run_shard_blocks(spec,
shard_state,
signed_shard_block,
beacon_state,
valid=False)
def test_max_offset(spec, state):
beacon_state = state.copy()
transition_to_valid_shard_slot(spec, beacon_state)
shard = 0
slot = beacon_state.shard_states[shard].slot + spec.SHARD_BLOCK_OFFSETS[
spec.MAX_SHARD_BLOCKS_PER_ATTESTATION - 1]
transition_to(spec, beacon_state, slot)
shard_state = beacon_state.shard_states[shard]
signed_shard_block = build_shard_block(spec,
beacon_state,
shard,
slot=beacon_state.slot,
signed=True)
yield from run_shard_blocks(spec, shard_state, signed_shard_block,
beacon_state)
def test_invalid_beacon_parent_root(spec, state):
beacon_state = state.copy()
transition_to_valid_shard_slot(spec, beacon_state)
shard = 0
shard_state = beacon_state.shard_states[shard]
signed_shard_block = build_shard_block(spec,
beacon_state,
shard,
slot=beacon_state.slot,
signed=True)
signed_shard_block.message.beacon_parent_root = b'\x12' * 32
sign_shard_block(spec, beacon_state, shard, signed_shard_block)
yield from run_shard_blocks(spec,
shard_state,
signed_shard_block,
beacon_state,
valid=False)
def test_custody_slashing(spec, state):
# NOTE: this test is only for full crosslink (minimal config), not for mainnet
if not is_full_crosslink(spec, state):
# skip
return
state = transition_to_valid_shard_slot(spec, state)
# Build shard block
shard = 0
committee_index = get_committee_index_of_shard(spec, state, state.slot,
shard)
# Create slashable shard block body
validator_index = spec.get_beacon_committee(state, state.slot,
committee_index)[0]
custody_secret = get_custody_secret(spec, state, validator_index)
slashable_body = get_custody_slashable_test_vector(spec,
custody_secret,
length=100,
slashable=True)
shard_block = build_shard_block(spec,
state,
shard,
body=slashable_body,
slot=state.slot,
signed=True)
shard_block_dict: Dict[spec.Shard, Sequence[spec.SignedShardBlock]] = {
shard: [shard_block]
}
shard_transitions = get_shard_transitions(spec, state, shard_block_dict)
attestation = get_valid_on_time_attestation(
spec,
state,
index=committee_index,
shard_transition=shard_transitions[shard],
signed=True,
)
block = build_empty_block(spec, state, slot=state.slot + 1)
block.body.attestations = [attestation]
block.body.shard_transitions = shard_transitions
_, _, _ = run_beacon_block(spec, state, block)
transition_to(
spec, state, state.slot + spec.SLOTS_PER_EPOCH *
(spec.EPOCHS_PER_CUSTODY_PERIOD - 1))
block = build_empty_block(spec, state, slot=state.slot + 1)
custody_slashing = get_valid_custody_slashing(spec, state, attestation,
shard_transitions[shard],
custody_secret,
slashable_body)
block.body.custody_slashings = [custody_slashing]
yield from run_beacon_block(spec, state, block)
def test_invalid_offset(spec, state):
beacon_state = state.copy()
transition_to_valid_shard_slot(spec, beacon_state)
# 4 is not in `SHARD_BLOCK_OFFSETS`
shard = 0
slot = beacon_state.shard_states[shard].slot + 4
assert slot not in spec.SHARD_BLOCK_OFFSETS
transition_to(spec, beacon_state, slot)
shard_state = beacon_state.shard_states[shard]
signed_shard_block = build_shard_block(spec,
beacon_state,
shard,
slot=beacon_state.slot,
signed=True)
yield from run_shard_blocks(spec,
shard_state,
signed_shard_block,
beacon_state,
valid=False)
def run_basic_crosslink_tests(spec, state, target_len_offset_slot, valid=True):
state = transition_to_valid_shard_slot(spec, state)
# At the beginning, let `x = state.slot`, `state.shard_states[shard].slot == x - 1`
slot_x = state.slot
committee_index = spec.CommitteeIndex(0)
shard = spec.compute_shard_from_committee_index(state, committee_index,
state.slot)
assert state.shard_states[shard].slot == slot_x - 1
# Create SignedShardBlock
body = b'\x56' * spec.MAX_SHARD_BLOCK_SIZE
shard_block = build_shard_block(spec, state, shard, body=body, signed=True)
shard_blocks = [shard_block]
# Create a shard_transitions that would be included at beacon block `state.slot + target_len_offset_slot`
shard_transitions = build_shard_transitions_till_slot(
spec,
state,
shard_blocks={shard: shard_blocks},
on_time_slot=state.slot + target_len_offset_slot,
)
shard_transition = shard_transitions[shard]
# Create an attestation that would be included at beacon block `state.slot + target_len_offset_slot`
attestation = build_attestation_with_shard_transition(
spec,
state,
index=committee_index,
on_time_slot=state.slot + target_len_offset_slot,
shard_transition=shard_transition,
)
pre_gasprice = state.shard_states[shard].gasprice
transition_to(spec, state, state.slot + target_len_offset_slot)
pre_shard_state = state.shard_states[shard]
yield from run_crosslinks_processing(spec,
state,
shard_transitions, [attestation],
valid=valid)
if valid:
# After state transition,
assert state.slot == slot_x + target_len_offset_slot
shard_state = state.shard_states[shard]
assert shard_state != pre_shard_state
assert shard_state == shard_transition.shard_states[
len(shard_transition.shard_states) - 1]
if target_len_offset_slot == 1:
assert shard_state.gasprice > pre_gasprice
def test_invalid_slot(spec, state):
beacon_state = state.copy()
transition_to_valid_shard_slot(spec, beacon_state)
shard = 0
shard_state = beacon_state.shard_states[shard]
signed_shard_block = build_shard_block(spec,
beacon_state,
shard,
slot=beacon_state.slot,
signed=True)
signed_shard_block.message.slot = beacon_state.slot + 1
proposer_index = spec.get_shard_proposer_index(
beacon_state, signed_shard_block.message.slot, shard)
sign_shard_block(spec,
beacon_state,
shard,
signed_shard_block,
proposer_index=proposer_index)
yield from run_shard_blocks(spec,
shard_state,
signed_shard_block,
beacon_state,
valid=False)
def test_valid_shard_block(spec, state):
if not is_full_crosslink(spec, state):
# skip
return
beacon_state = transition_to_valid_shard_slot(spec, state)
shard = 0
shard_state = beacon_state.shard_states[shard]
signed_shard_block = build_shard_block(spec,
beacon_state,
shard,
slot=beacon_state.slot,
signed=True)
yield from run_shard_blocks(spec, shard_state, signed_shard_block,
beacon_state)
def test_process_beacon_block_with_empty_proposal_transition(spec, state):
# NOTE: this test is only for full crosslink (minimal config), not for mainnet
if not is_full_crosslink(spec, state):
# skip
return
state = transition_to_valid_shard_slot(spec, state)
target_len_offset_slot = 1
committee_index = spec.CommitteeIndex(0)
shard = spec.compute_shard_from_committee_index(
state, committee_index, state.slot + target_len_offset_slot - 1)
assert state.shard_states[shard].slot == state.slot - 1
yield from run_beacon_block_with_shard_blocks(spec, state,
target_len_offset_slot,
committee_index, shard)
def test_process_beacon_block_with_empty_proposal_transition(spec, state):
state = transition_to_valid_shard_slot(spec, state)
target_len_offset_slot = 1
committee_index = spec.CommitteeIndex(0)
shard = spec.compute_shard_from_committee_index(state, committee_index,
state.slot)
assert state.shard_states[shard].slot == state.slot - 1
# No new shard block
shard_blocks = {}
pre_gasprice = state.shard_states[shard].gasprice
yield from run_beacon_block_with_shard_blocks(spec, state, shard_blocks,
target_len_offset_slot,
committee_index)
if target_len_offset_slot == 1 and len(shard_blocks) > 0:
assert state.shard_states[shard].gasprice > pre_gasprice
def test_max_offset(spec, state):
if not is_full_crosslink(spec, state):
# skip
return
beacon_state = transition_to_valid_shard_slot(spec, state)
shard = 0
slot = beacon_state.shard_states[shard].slot + spec.SHARD_BLOCK_OFFSETS[
spec.MAX_SHARD_BLOCKS_PER_ATTESTATION - 1]
transition_to(spec, beacon_state, slot)
shard_state = beacon_state.shard_states[shard]
signed_shard_block = build_shard_block(spec,
beacon_state,
shard,
slot=beacon_state.slot,
signed=True)
yield from run_shard_blocks(spec, shard_state, signed_shard_block,
beacon_state)
def test_invalid_shard_parent_root(spec, state):
if not is_full_crosslink(spec, state):
# skip
return
beacon_state = transition_to_valid_shard_slot(spec, state)
shard = 0
shard_state = beacon_state.shard_states[shard]
signed_shard_block = build_shard_block(spec,
beacon_state,
shard,
slot=beacon_state.slot,
signed=True)
signed_shard_block.message.shard_parent_root = b'\x12' * 32
sign_shard_block(spec, beacon_state, shard, signed_shard_block)
yield from run_shard_blocks(spec,
shard_state,
signed_shard_block,
beacon_state,
valid=False)
