def test_no_double_or_surround(spec, state):
attester_slashing = get_valid_attester_slashing(spec, state, signed_1=False, signed_2=True)
att_1_data = get_attestation_1_data(spec, attester_slashing)
att_1_data.target.epoch += 1
sign_indexed_attestation(spec, state, attester_slashing.attestation_1)
yield from run_attester_slashing_processing(spec, state, attester_slashing, False)
def test_success_surround(spec, state):
next_epoch(spec, state)
apply_empty_block(spec, state)
state.current_justified_checkpoint.epoch += 1
attester_slashing = get_valid_attester_slashing(spec, state, signed_1=False, signed_2=True)
att_1_data = get_attestation_1_data(spec, attester_slashing)
att_2_data = get_attestation_2_data(spec, attester_slashing)
# set attestion1 to surround attestation 2
att_1_data.source.epoch = att_2_data.source.epoch - 1
att_1_data.target.epoch = att_2_data.target.epoch + 1
sign_indexed_attestation(spec, state, attester_slashing.attestation_1)
yield from run_attester_slashing_processing(spec, state, attester_slashing)