Skip to content

test: fix signature SSZ test vectors and remove irrelevant SSZ test vectors #437

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
tcoratger merged 1 commit into from
Mar 7, 2026
Merged

test: fix signature SSZ test vectors and remove irrelevant SSZ test vectors #437

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
164 changes: 14 additions & 150 deletions tests/consensus/devnet/ssz/test_xmss_containers.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -2,24 +2,20 @@

import pytest
from consensus_testing import SSZTestFiller
from consensus_testing.keys import create_dummy_signature, get_shared_key_manager

from lean_spec.subspecs.containers import ValidatorIndex
from lean_spec.subspecs.containers.attestation import AggregationBits
from lean_spec.subspecs.containers.slot import Slot
from lean_spec.subspecs.koalabear import Fp
from lean_spec.subspecs.xmss import PublicKey, SecretKey, Signature
from lean_spec.subspecs.xmss import PublicKey
from lean_spec.subspecs.xmss.aggregation import AggregatedSignatureProof
from lean_spec.subspecs.xmss.subtree import HashSubTree
from lean_spec.subspecs.xmss.types import (
HASH_DIGEST_LENGTH,
HashDigestList,
HashDigestVector,
HashTreeLayer,
HashTreeLayers,
HashTreeOpening,
Parameter,
PRFKey,
)
from lean_spec.types import Boolean, ByteListMiB, Uint64
from lean_spec.types import Boolean, ByteListMiB, Bytes32

pytestmark = pytest.mark.valid_until("Devnet")

Expand Down Expand Up @@ -48,151 +44,19 @@ def test_public_key_zero(ssz: SSZTestFiller) -> None:

# --- Signature ---

# Empty path: path=[], rho=zeros, hashes=[]
SIGNATURE_EMPTY_PATH = bytes.fromhex(
"24000000000000000000000000000000000000000000000000000000000000002800000004000000"
)

# With siblings: path=[zero, zero], rho=zeros, hashes=[zero]
SIGNATURE_WITH_SIBLINGS = bytes.fromhex(
"24000000000000000000000000000000000000000000000000000000000000006800000004000000"
"0000000000000000000000000000000000000000000000000000000000000000"
"0000000000000000000000000000000000000000000000000000000000000000"
"0000000000000000000000000000000000000000000000000000000000000000"
)


def test_signature_empty_path(ssz: SSZTestFiller) -> None:
"""SSZ roundtrip for Signature with empty authentication path."""
ssz(type_name="Signature", value=Signature.decode_bytes(SIGNATURE_EMPTY_PATH))


def test_signature_with_siblings(ssz: SSZTestFiller) -> None:
"""SSZ roundtrip for Signature with authentication path siblings."""
ssz(type_name="Signature", value=Signature.decode_bytes(SIGNATURE_WITH_SIBLINGS))


# --- SecretKey ---


def test_secret_key_minimal(ssz: SSZTestFiller) -> None:
"""SSZ roundtrip for SecretKey with minimal values."""
empty_subtree = HashSubTree(
depth=Uint64(4),
lowest_layer=Uint64(0),
layers=HashTreeLayers(data=[]),
)
ssz(
type_name="SecretKey",
value=SecretKey(
prf_key=PRFKey.zero(),
parameter=_zero_parameter(),
activation_slot=Slot(0),
num_active_slots=Uint64(1),
top_tree=empty_subtree,
left_bottom_tree_index=Uint64(0),
left_bottom_tree=empty_subtree,
right_bottom_tree=empty_subtree,
),
)


# --- HashTreeOpening ---


def test_hash_tree_opening_empty(ssz: SSZTestFiller) -> None:
"""SSZ roundtrip for HashTreeOpening with no siblings."""
ssz(
type_name="HashTreeOpening",
value=HashTreeOpening(siblings=HashDigestList(data=[])),
)


def test_hash_tree_opening_single(ssz: SSZTestFiller) -> None:
"""SSZ roundtrip for HashTreeOpening with single sibling."""
ssz(
type_name="HashTreeOpening",
value=HashTreeOpening(siblings=HashDigestList(data=[_zero_hash_digest_vector()])),
)


def test_hash_tree_opening_multiple(ssz: SSZTestFiller) -> None:
"""SSZ roundtrip for HashTreeOpening with multiple siblings."""
ssz(
type_name="HashTreeOpening",
value=HashTreeOpening(
siblings=HashDigestList(
data=[
_zero_hash_digest_vector(),
_zero_hash_digest_vector(),
_zero_hash_digest_vector(),
]
)
),
)


# --- HashTreeLayer ---


def test_hash_tree_layer_empty(ssz: SSZTestFiller) -> None:
"""SSZ roundtrip for HashTreeLayer with no nodes."""
ssz(
type_name="HashTreeLayer",
value=HashTreeLayer(start_index=Uint64(0), nodes=HashDigestList(data=[])),
)


def test_hash_tree_layer_single(ssz: SSZTestFiller) -> None:
"""SSZ roundtrip for HashTreeLayer with single node."""
ssz(
type_name="HashTreeLayer",
value=HashTreeLayer(
start_index=Uint64(0),
nodes=HashDigestList(data=[_zero_hash_digest_vector()]),
),
)
def test_signature_zero(ssz: SSZTestFiller) -> None:
"""SSZ roundtrip for Signature with zero values."""
ssz(type_name="Signature", value=create_dummy_signature())


def test_hash_tree_layer_multiple(ssz: SSZTestFiller) -> None:
"""SSZ roundtrip for HashTreeLayer with multiple nodes."""
ssz(
type_name="HashTreeLayer",
value=HashTreeLayer(
start_index=Uint64(4),
nodes=HashDigestList(data=[_zero_hash_digest_vector(), _zero_hash_digest_vector()]),
),
)


# --- HashSubTree ---


def test_hash_subtree_empty(ssz: SSZTestFiller) -> None:
"""SSZ roundtrip for HashSubTree with no layers."""
ssz(
type_name="HashSubTree",
value=HashSubTree(depth=Uint64(4), lowest_layer=Uint64(0), layers=HashTreeLayers(data=[])),
)


def test_hash_subtree_with_layers(ssz: SSZTestFiller) -> None:
"""SSZ roundtrip for HashSubTree with layers."""
ssz(
type_name="HashSubTree",
value=HashSubTree(
depth=Uint64(4),
lowest_layer=Uint64(0),
layers=HashTreeLayers(
data=[
HashTreeLayer(
start_index=Uint64(0),
nodes=HashDigestList(data=[_zero_hash_digest_vector()]),
)
]
),
),
)
def test_signature_actual(ssz: SSZTestFiller) -> None:
"""SSZ roundtrip for a cryptographically valid Signature produced by signing."""
key_manager = get_shared_key_manager()
scheme = key_manager.scheme
_, sk = key_manager.keys[ValidatorIndex(0)]
signature = scheme.sign(sk, Slot(0), Bytes32(b"\x42" * 32))
ssz(type_name="Signature", value=signature)


# --- AggregatedSignatureProof ---
Expand Down
Loading