from imwald.core.nostr_crypto import build_signed_event, verify_nostr_event


def _sk() -> bytes:
    return bytes.fromhex("3501454135014541350145413501453fefb02227e449e57cf4d3a3ce05378683")


def test_verify_accepts_signed_roundtrip() -> None:
    sk = _sk()
    ev = build_signed_event(sk, created_at=1700000000, kind=1, tags=[["client", "imwald"]], content="hello")
    assert verify_nostr_event(ev) is True


def test_verify_rejects_bad_id() -> None:
    sk = _sk()
    ev = build_signed_event(sk, created_at=1700000000, kind=1, tags=[], content="x")
    ev["id"] = "f" * 64
    assert verify_nostr_event(ev) is False


def test_verify_rejects_tampered_content() -> None:
    sk = _sk()
    ev = build_signed_event(sk, created_at=1700000000, kind=1, tags=[], content="x")
    ev["content"] = "y"
    assert verify_nostr_event(ev) is False