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patch state to not be leaking at start

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Alex Stokes 2021-08-22 10:52:22 -07:00
parent 993997aca5
commit f76a29c1f9
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1 changed files with 25 additions and 0 deletions
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25
tests/core/pyspec/eth2spec/test/phase0/sanity/test_blocks_random.py
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@ -197,10 +197,35 @@ def _randomized_scenario_setup():
state.slot += slots_to_skip
return f
def _simulate_honest_execution(spec, state):
"""
Want to start tests not in a leak state; the finality data
may not reflect this condition with prior (arbitrary) mutations,
so this mutator addresses that fact.
"""
state.justification_bits = (True, True, True, True)
previous_epoch = spec.get_previous_epoch(state)
previous_root = spec.get_block_root(state, previous_epoch)
previous_previous_epoch = max(spec.GENESIS_EPOCH, spec.Epoch(previous_epoch - 1))
previous_previous_root = spec.get_block_root(state, previous_previous_epoch)
state.previous_justified_checkpoint = spec.Checkpoint(
epoch=previous_previous_epoch,
root=previous_previous_root,
)
state.current_justified_checkpoint = spec.Checkpoint(
epoch=previous_epoch,
root=previous_root,
)
state.finalized_checkpoint = spec.Checkpoint(
epoch=previous_previous_epoch,
root=previous_previous_root,
)
return (
# NOTE: the block randomization function assumes at least 1 shard committee period
# so advance the state before doing anything else.
(_skip_epochs(_epochs_for_shard_committee_period), _no_op_validation),
(_simulate_honest_execution, _no_op_validation),
(_randomize_state, ensure_state_has_validators_across_lifecycle),
)