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Early derived secret testing

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Carl Beekhuizen 2019-05-15 15:17:01 +02:00
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167
test_libs/pyspec/tests/phase1/block_processing_phase1/test_process_early_derived_secret_reveal.py
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@ -1,109 +1,108 @@
# from copy import deepcopy from copy import deepcopy
# import pytest import pytest
# import eth2spec.phase1.spec as spec import eth2spec.phase1.spec as spec
# from eth2spec.phase1.spec import ( from eth2spec.phase1.spec import (
# get_current_epoch, get_current_epoch,
# process_early_derived_secret_reveal, process_early_derived_secret_reveal,
# RANDAO_PENALTY_EPOCHS, RANDAO_PENALTY_EPOCHS,
# CUSTODY_PERIOD_TO_RANDAO_PADDING, CUSTODY_PERIOD_TO_RANDAO_PADDING,
# EARLY_DERIVED_SECRET_PENALTY_MAX_FUTURE_EPOCHS, EARLY_DERIVED_SECRET_PENALTY_MAX_FUTURE_EPOCHS,
# ) )
# from tests.helpers_phase1 import ( from tests.phase1.helpers import (
# get_valid_early_derived_secret_reveal, get_valid_early_derived_secret_reveal,
# ) )
# #mark entire file as 'randao_key_reveals' #mark entire file as 'randao_key_reveals'
# pytestmark = pytest.mark.randao_key_reveals pytestmark = pytest.mark.randao_key_reveals
def run_early_derived_secret_reveal_processing(state, randao_key_reveal, valid=True):
"""
Run ``process_randao_key_reveal`` returning the pre and post state.
If ``valid == False``, run expecting ``AssertionError``
"""
post_state = deepcopy(state)
if not valid:
with pytest.raises(AssertionError):
process_early_derived_secret_reveal(post_state, randao_key_reveal)
return state, None
process_early_derived_secret_reveal(post_state, randao_key_reveal)
slashed_validator = post_state.validator_registry[randao_key_reveal.revealed_index]
if randao_key_reveal.epoch >= get_current_epoch(state) + CUSTODY_PERIOD_TO_RANDAO_PADDING:
assert slashed_validator.slashed
assert slashed_validator.exit_epoch < spec.FAR_FUTURE_EPOCH
assert slashed_validator.withdrawable_epoch < spec.FAR_FUTURE_EPOCH
# lost whistleblower reward
# FIXME: Currently broken because get_base_reward in genesis epoch is 0
assert (
post_state.balances[randao_key_reveal.revealed_index] <
state.balances[randao_key_reveal.revealed_index]
)
return state, post_state
# def run_early_derived_secret_reveal_processing(state, randao_key_reveal, valid=True): def test_success(state):
# """ randao_key_reveal = get_valid_early_derived_secret_reveal(state)
# Run ``process_randao_key_reveal`` returning the pre and post state.
# If ``valid == False``, run expecting ``AssertionError``
# """
# post_state = deepcopy(state)
# if not valid: pre_state, post_state = run_early_derived_secret_reveal_processing(state, randao_key_reveal)
# with pytest.raises(AssertionError):
# process_early_derived_secret_reveal(post_state, randao_key_reveal)
# return state, None
# process_early_derived_secret_reveal(post_state, randao_key_reveal) return pre_state, randao_key_reveal, post_state
# slashed_validator = post_state.validator_registry[randao_key_reveal.revealed_index]
# if randao_key_reveal.epoch >= get_current_epoch(state) + CUSTODY_PERIOD_TO_RANDAO_PADDING:
# assert slashed_validator.slashed
# assert slashed_validator.exit_epoch < spec.FAR_FUTURE_EPOCH
# assert slashed_validator.withdrawable_epoch < spec.FAR_FUTURE_EPOCH
# # lost whistleblower reward
# # FIXME: Currently broken because get_base_reward in genesis epoch is 0
# assert (
# post_state.balances[randao_key_reveal.revealed_index] <
# state.balances[randao_key_reveal.revealed_index]
# )
# return state, post_state
# def test_success(state): def test_reveal_from_current_epoch(state):
# randao_key_reveal = get_valid_early_derived_secret_reveal(state) randao_key_reveal = get_valid_early_derived_secret_reveal(state, get_current_epoch(state))
# pre_state, post_state = run_early_derived_secret_reveal_processing(state, randao_key_reveal) pre_state, post_state = run_early_derived_secret_reveal_processing(state, randao_key_reveal, False)
# return pre_state, randao_key_reveal, post_state return pre_state, randao_key_reveal, post_state
# Not currently possible as we are testing at epoch 0
#
#def test_reveal_from_past_epoch(state):
# randao_key_reveal = get_valid_early_derived_secret_reveal(state, get_current_epoch(state) - 1)
#
# pre_state, post_state = run_early_derived_secret_reveal_processing(state, randao_key_reveal, False)
#
# return pre_state, randao_key_reveal, post_state
# def test_reveal_from_current_epoch(state): def test_reveal_with_custody_padding(state):
# randao_key_reveal = get_valid_early_derived_secret_reveal(state, get_current_epoch(state)) randao_key_reveal = get_valid_early_derived_secret_reveal(state, get_current_epoch(state) + CUSTODY_PERIOD_TO_RANDAO_PADDING)
pre_state, post_state = run_early_derived_secret_reveal_processing(state, randao_key_reveal, True)
# pre_state, post_state = run_early_derived_secret_reveal_processing(state, randao_key_reveal, False) return pre_state, randao_key_reveal, post_state
# return pre_state, randao_key_reveal, post_state def test_reveal_with_custody_padding_minus_one(state):
randao_key_reveal = get_valid_early_derived_secret_reveal(state, get_current_epoch(state) + CUSTODY_PERIOD_TO_RANDAO_PADDING - 1)
pre_state, post_state = run_early_derived_secret_reveal_processing(state, randao_key_reveal, True)
# # Not currently possible as we are testing at epoch 0 return pre_state, randao_key_reveal, post_state
# #
# #def test_reveal_from_past_epoch(state):
# # randao_key_reveal = get_valid_early_derived_secret_reveal(state, get_current_epoch(state) - 1)
# #
# # pre_state, post_state = run_early_derived_secret_reveal_processing(state, randao_key_reveal, False)
# #
# # return pre_state, randao_key_reveal, post_state
# def test_reveal_with_custody_padding(state): def test_double_reveal(state):
# randao_key_reveal = get_valid_early_derived_secret_reveal(state, get_current_epoch(state) + CUSTODY_PERIOD_TO_RANDAO_PADDING)
# pre_state, post_state = run_early_derived_secret_reveal_processing(state, randao_key_reveal, True)
# return pre_state, randao_key_reveal, post_state
# def test_reveal_with_custody_padding_minus_one(state):
# randao_key_reveal = get_valid_early_derived_secret_reveal(state, get_current_epoch(state) + CUSTODY_PERIOD_TO_RANDAO_PADDING - 1)
# pre_state, post_state = run_early_derived_secret_reveal_processing(state, randao_key_reveal, True)
# return pre_state, randao_key_reveal, post_state
# def test_double_reveal(state):
# randao_key_reveal1 = get_valid_early_derived_secret_reveal(state, get_current_epoch(state) + RANDAO_PENALTY_EPOCHS + 1) randao_key_reveal1 = get_valid_early_derived_secret_reveal(state, get_current_epoch(state) + RANDAO_PENALTY_EPOCHS + 1)
# pre_state, intermediate_state = run_early_derived_secret_reveal_processing(state, randao_key_reveal1) pre_state, intermediate_state = run_early_derived_secret_reveal_processing(state, randao_key_reveal1)
# randao_key_reveal2 = get_valid_early_derived_secret_reveal(intermediate_state, get_current_epoch(pre_state) + RANDAO_PENALTY_EPOCHS + 1) randao_key_reveal2 = get_valid_early_derived_secret_reveal(intermediate_state, get_current_epoch(pre_state) + RANDAO_PENALTY_EPOCHS + 1)
# intermediate_state_, post_state = run_early_derived_secret_reveal_processing(intermediate_state, randao_key_reveal2, False) intermediate_state_, post_state = run_early_derived_secret_reveal_processing(intermediate_state, randao_key_reveal2, False)
# return pre_state, [randao_key_reveal1, randao_key_reveal2], post_state return pre_state, [randao_key_reveal1, randao_key_reveal2], post_state
# def test_revealer_is_slashed(state): def test_revealer_is_slashed(state):
# randao_key_reveal = get_valid_early_derived_secret_reveal(state, get_current_epoch(state)) randao_key_reveal = get_valid_early_derived_secret_reveal(state, get_current_epoch(state))
# state.validator_registry[randao_key_reveal.revealed_index].slashed = True state.validator_registry[randao_key_reveal.revealed_index].slashed = True
# pre_state, post_state = run_early_derived_secret_reveal_processing(state, randao_key_reveal, False) pre_state, post_state = run_early_derived_secret_reveal_processing(state, randao_key_reveal, False)
# return pre_state, randao_key_reveal, post_state return pre_state, randao_key_reveal, post_state
# def test_far_future_epoch(state): def test_far_future_epoch(state):
# randao_key_reveal = get_valid_early_derived_secret_reveal(state, get_current_epoch(state) + EARLY_DERIVED_SECRET_PENALTY_MAX_FUTURE_EPOCHS) randao_key_reveal = get_valid_early_derived_secret_reveal(state, get_current_epoch(state) + EARLY_DERIVED_SECRET_PENALTY_MAX_FUTURE_EPOCHS)
# pre_state, post_state = run_early_derived_secret_reveal_processing(state, randao_key_reveal, False) pre_state, post_state = run_early_derived_secret_reveal_processing(state, randao_key_reveal, False)
# return pre_state, randao_key_reveal, post_state return pre_state, randao_key_reveal, post_state

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test_libs/pyspec/tests/phase1/helpers.py
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from py_ecc import bls
import eth2spec.phase1.spec as spec
from eth2spec.phase1.spec import (
# constants
ZERO_HASH,
CUSTODY_PERIOD_TO_RANDAO_PADDING,
# SSZ
EarlyDerivedSecretReveal,
# functions
get_active_validator_indices,
get_current_epoch,
get_domain,
hash_tree_root,
)
from tests.phase0.helpers import (
privkeys,
)
def get_valid_early_derived_secret_reveal(state, epoch=None):
current_epoch = get_current_epoch(state)
revealed_index = get_active_validator_indices(state, current_epoch)[-1]
masker_index = get_active_validator_indices(state, current_epoch)[0]
if epoch is None:
epoch = current_epoch + CUSTODY_PERIOD_TO_RANDAO_PADDING
reveal = bls.sign(
message_hash=hash_tree_root(epoch),
privkey=privkeys[revealed_index],
domain=get_domain(
state=state,
domain_type=spec.DOMAIN_RANDAO,
message_epoch=epoch,
),
)
mask = bls.sign(
message_hash=hash_tree_root(epoch),
privkey=privkeys[masker_index],
domain=get_domain(
state=state,
domain_type=spec.DOMAIN_RANDAO,
message_epoch=epoch,
),
)
return EarlyDerivedSecretReveal(
revealed_index=revealed_index,
epoch=epoch,
reveal=reveal,
masker_index=masker_index,
mask=mask,
)