def test_process_registry_updates(validator_count, genesis_state, config,
slots_per_epoch):
eligible_index = len(genesis_state.validators)
activation_index = len(genesis_state.validators) + 1
exiting_index = len(genesis_state.validators) - 1
eligible_validator = Validator.create_pending_validator(
pubkey=b"\x10" * 48,
withdrawal_credentials=b"\x11" * 32,
amount=Gwei(32 * GWEI_PER_ETH),
config=config,
)
activating_validator = eligible_validator.set(
"activation_eligibility_epoch",
genesis_state.finalized_checkpoint.epoch)
state = genesis_state.mset(
"validators",
genesis_state.validators[:exiting_index] +
(genesis_state.validators[exiting_index].set(
"effective_balance", config.EJECTION_BALANCE - 1), ) +
(eligible_validator, activating_validator),
"balances",
genesis_state.balances +
(config.MAX_EFFECTIVE_BALANCE, config.MAX_EFFECTIVE_BALANCE),
)
# handles activations
post_state = process_registry_updates(state, config)
# Check if the eligible_validator is eligible
pre_eligible_validator = state.validators[eligible_index]
post_eligible_validator = post_state.validators[eligible_index]
assert pre_eligible_validator.activation_eligibility_epoch == FAR_FUTURE_EPOCH
assert pre_eligible_validator.activation_epoch == FAR_FUTURE_EPOCH
assert (post_eligible_validator.activation_eligibility_epoch ==
state.current_epoch(slots_per_epoch) + 1)
# Check if the activating_validator is activated
pre_activation_validator = state.validators[activation_index]
post_activation_validator = post_state.validators[activation_index]
assert pre_activation_validator.activation_epoch == FAR_FUTURE_EPOCH
assert post_activation_validator.activation_eligibility_epoch != FAR_FUTURE_EPOCH
activation_epoch = compute_activation_exit_epoch(
state.current_epoch(config.SLOTS_PER_EPOCH), config.MAX_SEED_LOOKAHEAD)
assert post_activation_validator.is_active(activation_epoch)
# Check if the exiting_validator is exited
pre_exiting_validator = state.validators[exiting_index]
post_exiting_validator = post_state.validators[exiting_index]
assert pre_exiting_validator.exit_epoch == FAR_FUTURE_EPOCH
assert pre_exiting_validator.withdrawable_epoch == FAR_FUTURE_EPOCH
assert state.validators[
exiting_index].effective_balance <= config.EJECTION_BALANCE
assert post_exiting_validator.exit_epoch != FAR_FUTURE_EPOCH
assert post_exiting_validator.withdrawable_epoch != FAR_FUTURE_EPOCH
assert post_exiting_validator.withdrawable_epoch > post_exiting_validator.exit_epoch
def test_process_registry_updates(validator_count, genesis_state, config,
slots_per_epoch):
activation_index = len(genesis_state.validators)
exiting_index = len(genesis_state.validators) - 1
activating_validator = Validator.create_pending_validator(
pubkey=b'\x10' * 48,
withdrawal_credentials=b'\x11' * 32,
amount=Gwei(32 * GWEI_PER_ETH),
config=config,
)
state = genesis_state.copy(
validators=genesis_state.validators[:exiting_index] +
(genesis_state.validators[exiting_index].copy(
effective_balance=config.EJECTION_BALANCE - 1, ), ) +
(activating_validator, ),
balances=genesis_state.balances + (config.MAX_EFFECTIVE_BALANCE, ),
)
# handles activations
post_state = process_registry_updates(state, config)
# Check if the activating_validator is activated
pre_activation_validator = state.validators[activation_index]
post_activation_validator = post_state.validators[activation_index]
assert pre_activation_validator.activation_eligibility_epoch == FAR_FUTURE_EPOCH
assert pre_activation_validator.activation_epoch == FAR_FUTURE_EPOCH
assert post_activation_validator.activation_eligibility_epoch != FAR_FUTURE_EPOCH
activation_epoch = compute_activation_exit_epoch(
state.current_epoch(config.SLOTS_PER_EPOCH),
config.ACTIVATION_EXIT_DELAY,
)
assert post_activation_validator.is_active(activation_epoch)
# Check if the activating_validator is exited
pre_exiting_validator = state.validators[exiting_index]
post_exiting_validator = post_state.validators[exiting_index]
assert pre_exiting_validator.exit_epoch == FAR_FUTURE_EPOCH
assert pre_exiting_validator.withdrawable_epoch == FAR_FUTURE_EPOCH
assert state.validators[
exiting_index].effective_balance <= config.EJECTION_BALANCE
assert post_exiting_validator.exit_epoch != FAR_FUTURE_EPOCH
assert post_exiting_validator.withdrawable_epoch != FAR_FUTURE_EPOCH
assert post_exiting_validator.withdrawable_epoch > post_exiting_validator.exit_epoch