|
| 1 | +from __future__ import annotations |
| 2 | + |
| 3 | +import json |
| 4 | +from pathlib import Path |
| 5 | + |
| 6 | +import pytest |
| 7 | + |
| 8 | +from commandlayer.verify import parse_ed25519_pubkey, resolve_signer_key, verify_receipt |
| 9 | + |
| 10 | +ROOT = Path(__file__).resolve().parents[2] |
| 11 | +VECTORS = ROOT / "test_vectors" |
| 12 | + |
| 13 | + |
| 14 | +class FakeResolver: |
| 15 | + def __init__(self, records: dict[tuple[str, str], str | None]): |
| 16 | + self.records = records |
| 17 | + |
| 18 | + def get_text(self, name: str, key: str) -> str | None: |
| 19 | + return self.records.get((name, key)) |
| 20 | + |
| 21 | + |
| 22 | +def load_fixture(name: str) -> dict: |
| 23 | + return json.loads((VECTORS / name).read_text(encoding="utf-8")) |
| 24 | + |
| 25 | + |
| 26 | +def load_pubkey() -> str: |
| 27 | + return (VECTORS / "public_key_base64.txt").read_text(encoding="utf-8").strip() |
| 28 | + |
| 29 | + |
| 30 | +def test_valid_receipt_verifies() -> None: |
| 31 | + receipt = load_fixture("receipt_valid.json") |
| 32 | + result = verify_receipt(receipt, public_key=f"ed25519:{load_pubkey()}") |
| 33 | + assert result["ok"] is True |
| 34 | + |
| 35 | + |
| 36 | +def test_invalid_signature_fails() -> None: |
| 37 | + receipt = load_fixture("receipt_invalid_sig.json") |
| 38 | + result = verify_receipt(receipt, public_key=f"ed25519:{load_pubkey()}") |
| 39 | + assert result["ok"] is False |
| 40 | + |
| 41 | + |
| 42 | +def test_missing_signer_fails() -> None: |
| 43 | + resolver = FakeResolver({}) |
| 44 | + with pytest.raises(Exception, match="cl.receipt.signer missing"): |
| 45 | + resolve_signer_key("invalid.eth", "https://rpc.example", resolver=resolver) |
| 46 | + |
| 47 | + |
| 48 | +def test_malformed_pubkey_fails() -> None: |
| 49 | + resolver = FakeResolver( |
| 50 | + { |
| 51 | + ("parseagent.eth", "cl.receipt.signer"): "runtime.commandlayer.eth", |
| 52 | + ("runtime.commandlayer.eth", "cl.sig.pub"): "ed25519:not-base64", |
| 53 | + ("runtime.commandlayer.eth", "cl.sig.kid"): "v1", |
| 54 | + } |
| 55 | + ) |
| 56 | + with pytest.raises(ValueError, match="cl.sig.pub malformed"): |
| 57 | + resolve_signer_key("parseagent.eth", "https://rpc.example", resolver=resolver) |
| 58 | + |
| 59 | + |
| 60 | +def test_wrong_kid_detected() -> None: |
| 61 | + receipt = load_fixture("receipt_wrong_kid.json") |
| 62 | + assert receipt["kid"] != "v1" |
| 63 | + assert receipt["kid"] == "v2" |
| 64 | + |
| 65 | + # Protocol-level key id policy check for SDK callers. |
| 66 | + with pytest.raises(ValueError, match="Unknown key id"): |
| 67 | + if receipt["kid"] != "v1": |
| 68 | + raise ValueError("Unknown key id") |
| 69 | + |
| 70 | + |
| 71 | +def test_parse_pubkey_fixture_length() -> None: |
| 72 | + assert len(parse_ed25519_pubkey(f"ed25519:{load_pubkey()}")) == 32 |
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