98 lines
3.0 KiB
Python
98 lines
3.0 KiB
Python
from copy import deepcopy
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import pytest
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import build.phase0.spec as spec
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from build.phase0.spec import (
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get_balance,
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get_current_epoch,
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process_proposer_slashing,
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)
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from tests.phase0.helpers import (
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get_valid_proposer_slashing,
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)
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# mark entire file as 'proposer_slashings'
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pytestmark = pytest.mark.proposer_slashings
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def run_proposer_slashing_processing(state, proposer_slashing, valid=True):
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"""
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Run ``process_proposer_slashing`` returning the pre and post state.
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If ``valid == False``, run expecting ``AssertionError``
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"""
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post_state = deepcopy(state)
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if not valid:
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with pytest.raises(AssertionError):
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process_proposer_slashing(post_state, proposer_slashing)
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return state, None
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process_proposer_slashing(post_state, proposer_slashing)
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slashed_validator = post_state.validator_registry[proposer_slashing.proposer_index]
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assert not slashed_validator.initiated_exit
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assert slashed_validator.slashed
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assert slashed_validator.exit_epoch < spec.FAR_FUTURE_EPOCH
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assert slashed_validator.withdrawable_epoch < spec.FAR_FUTURE_EPOCH
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# lost whistleblower reward
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assert (
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get_balance(post_state, proposer_slashing.proposer_index) <
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get_balance(state, proposer_slashing.proposer_index)
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)
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return state, post_state
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def test_success(state):
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proposer_slashing = get_valid_proposer_slashing(state)
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pre_state, post_state = run_proposer_slashing_processing(state, proposer_slashing)
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return pre_state, proposer_slashing, post_state
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def test_epochs_are_different(state):
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proposer_slashing = get_valid_proposer_slashing(state)
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# set slots to be in different epochs
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proposer_slashing.header_2.slot += spec.SLOTS_PER_EPOCH
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pre_state, post_state = run_proposer_slashing_processing(state, proposer_slashing, False)
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return pre_state, proposer_slashing, post_state
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def test_headers_are_same(state):
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proposer_slashing = get_valid_proposer_slashing(state)
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# set headers to be the same
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proposer_slashing.header_2 = proposer_slashing.header_1
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pre_state, post_state = run_proposer_slashing_processing(state, proposer_slashing, False)
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return pre_state, proposer_slashing, post_state
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def test_proposer_is_slashed(state):
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proposer_slashing = get_valid_proposer_slashing(state)
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# set proposer to slashed
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state.validator_registry[proposer_slashing.proposer_index].slashed = True
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pre_state, post_state = run_proposer_slashing_processing(state, proposer_slashing, False)
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return pre_state, proposer_slashing, post_state
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def test_proposer_is_withdrawn(state):
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proposer_slashing = get_valid_proposer_slashing(state)
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# set proposer withdrawable_epoch in past
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current_epoch = get_current_epoch(state)
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proposer_index = proposer_slashing.proposer_index
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state.validator_registry[proposer_index].withdrawable_epoch = current_epoch - 1
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pre_state, post_state = run_proposer_slashing_processing(state, proposer_slashing, False)
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return pre_state, proposer_slashing, post_state
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