mirror of
https://github.com/lux-tel/libsession-util.git
synced 2026-10-30 20:25:11 +00:00
Jason RhinelanderandClaude Opus 4.8
3d2129c43e
Two housekeeping changes now that the backend merged to session-foundation dev: - The wire spec dropped its "Delta N" change-history annotations, so those citations in the harness comments/vectors are dangling. Reworded to cite the current spec sections instead (plan -> §1, signed-message construction -> §1.1/§2/§3, the read-request split -> §3.4) or dropped the parenthetical. Verified remaining §-references resolve against the current section map. - .drone.jsonnet: point the CI backend clone at session-foundation dev (was the now-merged jagerman phase2-foundation). An integration/drift harness should track the counterpart's mainline; a pinned ref is what went stale before. No behavior change to the tests themselves. Co-Authored-By: Claude Opus 4.8 (1M context) <[email protected]>
78 lines
3.4 KiB
Python
78 lines
3.4 KiB
Python
#!/usr/bin/env python3
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"""Generate the known-answer vectors asserted by the [pro_kat] test in tests/test_pro_backend.cpp.
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These pin libsession's signed-message construction (wire spec §1.1 / §2 / §3). The
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vectors are produced here from the *backend's* independent implementation (backend.signed_message +
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the make_*_message / build_proof_message builders) for fixed, deterministic inputs, then hand-verified
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against the spec field layout before being frozen into the C++ test. Re-run this if the signed-message
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format ever changes (it is a deliberate, both-sides wire change) and update the constants + the
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hand-verification in the test to match.
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Run with the backend clone's venv python; requires env:
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PRO_BACKEND_DIR path to the backend checkout (for importing backend/base)
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PRO_BACKEND_DIR=~/src/session-pro-backend .venv/bin/python gen_kat.py
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"""
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import datetime
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import os
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import sys
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sys.path.insert(0, os.environ["PRO_BACKEND_DIR"])
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import nacl.signing # noqa: E402
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import backend # noqa: E402
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import base # noqa: E402
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def hx(b):
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return bytes(b).hex()
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def main():
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# Fixed deterministic keypairs from 32-byte seeds (backend signing key 0x03).
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master = nacl.signing.SigningKey(bytes([1] * 32))
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rotating = nacl.signing.SigningKey(bytes([2] * 32))
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backkey = nacl.signing.SigningKey(bytes([3] * 32))
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mpk, rpk = master.verify_key, rotating.verify_key
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ts = datetime.datetime.fromtimestamp(1700000000, datetime.timezone.utc)
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refund = datetime.datetime.fromtimestamp(1700000123, datetime.timezone.utc)
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expiry = datetime.datetime.fromtimestamp(1704067200, datetime.timezone.utc)
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limit = 10
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before_cursor = "0a1b2c3d4e5f" # opaque to the signed input; any fixed non-empty string works
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provider = base.PaymentProvider.GooglePlayStore
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pid = "test-payment-id-123"
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rtag = bytes([0x11] * 32)
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add_msg = backend.signed_message(
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backend.ADD_PRO_PAYMENT_DOMAIN, mpk, rpk, provider.value, pid)
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gen_msg = backend.make_generate_pro_proof_message(mpk, rpk, ts)
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# get_pro_details read request is split (§3.4) into get_pro_status + paginated get_payment_details.
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status_msg = backend.make_get_pro_status_message(mpk, ts)
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# Two payment_details cases: empty `before` (newest page) ends in the adjacency `\0`;
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# a non-empty `before` appends the opaque cursor verbatim as the final field (no trailing sep).
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details_empty_msg = backend.make_get_payment_details_message(mpk, ts, limit, "")
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details_cursor_msg = backend.make_get_payment_details_message(mpk, ts, limit, before_cursor)
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ref_msg = backend.signed_message(
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backend.SET_PAYMENT_REFUND_REQUESTED_DOMAIN, mpk, ts, refund, provider.value, pid)
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prf_msg = backend.build_proof_message(rtag, rpk, expiry)
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print("master_pkey =", hx(mpk.encode()))
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print("rotating_pkey=", hx(rpk.encode()))
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print("backend_pkey =", hx(backkey.verify_key.encode()))
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print()
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for name, m in [("add", add_msg), ("gen", gen_msg), ("status", status_msg),
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("details_empty", details_empty_msg), ("details_cursor", details_cursor_msg),
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("refund", ref_msg), ("proof", prf_msg)]:
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print(f"{name}_msg_hex = {hx(m)}")
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print(f" repr = {m!r}")
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print()
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print("add_master_sig =", hx(master.sign(add_msg).signature))
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print("add_rotating_sig =", hx(rotating.sign(add_msg).signature))
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print("proof_sig =", hx(backkey.sign(prf_msg).signature))
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if __name__ == "__main__":
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main()
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