def test_validate_proof_of_possession(epoch_length, sample_beacon_state_params,
pubkeys, privkeys, expected):
state = BeaconState(**sample_beacon_state_params)
privkey = privkeys[0]
pubkey = pubkeys[0]
withdrawal_credentials = b'\x34' * 32
custody_commitment = b'\x12' * 32
randao_commitment = b'\x56' * 32
deposit_input = DepositInput(
pubkey=pubkey,
withdrawal_credentials=withdrawal_credentials,
randao_commitment=randao_commitment,
custody_commitment=custody_commitment,
)
if expected is True:
proof_of_possession = sign_proof_of_possession(
deposit_input,
privkey,
state.fork,
state.slot,
epoch_length,
)
validate_proof_of_possession(
state=state,
pubkey=pubkey,
proof_of_possession=proof_of_possession,
withdrawal_credentials=withdrawal_credentials,
randao_commitment=randao_commitment,
custody_commitment=custody_commitment,
epoch_length=epoch_length,
)
else:
proof_of_possession = b'\x11' * 96
with pytest.raises(ValidationError):
validate_proof_of_possession(
state=state,
pubkey=pubkey,
proof_of_possession=proof_of_possession,
withdrawal_credentials=withdrawal_credentials,
randao_commitment=randao_commitment,
custody_commitment=custody_commitment,
epoch_length=epoch_length,
)
def test_validate_proof_of_possession(
slots_per_epoch,
sample_beacon_state_params,
pubkeys,
privkeys,
expected):
state = BeaconState(**sample_beacon_state_params)
privkey = privkeys[0]
pubkey = pubkeys[0]
withdrawal_credentials = b'\x34' * 32
deposit_input = DepositInput(
pubkey=pubkey,
withdrawal_credentials=withdrawal_credentials,
)
if expected is True:
proof_of_possession = sign_proof_of_possession(
deposit_input,
privkey,
state.fork,
state.slot,
slots_per_epoch,
)
validate_proof_of_possession(
state=state,
pubkey=pubkey,
proof_of_possession=proof_of_possession,
withdrawal_credentials=withdrawal_credentials,
slots_per_epoch=slots_per_epoch,
)
else:
proof_of_possession = b'\x11' * 96
with pytest.raises(ValidationError):
validate_proof_of_possession(
state=state,
pubkey=pubkey,
proof_of_possession=proof_of_possession,
withdrawal_credentials=withdrawal_credentials,
slots_per_epoch=slots_per_epoch,
)