mirror of
https://github.com/saymrwulf/proof-aware-crypto-tooling-agent.git
synced 2026-09-03 19:53:43 +00:00
mrwulf
f54e47778b
Operator-found (and root-caused): the v0.11 card replace had silently no-opped on an invisible NBSP in 'vs.\xa0today' — the page said 23 pages and still carried the July-snapshot card one paragraph under the 'New in v0.11' sentence. Fixed by byte-anchored replace with post-assert; a source regression test now forbids the stale markers outright and check-paper.sh binds the page-count claim to pdfinfo. Executability (tested by actually running them): the printed curl had no scheme and returned empty through the redirect -> https form; the zero-install one-liner was missing its cd -> added; 'Standard-library Python only' contradicted the openssl requirement stated 20 lines earlier -> made honest; 'table above' pointed at a table that is below -> below; '~25 lines of Python' vs the 346-line fail-closed verify.py -> 'one-page core (paper Appendix C), shipped verify.py wraps it'. Comprehensibility (fresh-eyes audit, 28 findings triaged): first-use glosses for STH, axiom cones, certificates, pinning, split view, pins.json, trusted base, residual-risk list, R0-R5, signature tiers; Lean 4 linked; Merkle accumulator glossed; operator=provider declared; the ✗-leaves explained as the failed round 1 vs clean re-attest; the flagship self-reference gets a plain lead sentence; TOFU named and bounded; pacta install source at the first pacta command; coined verb 'machine-re-check' uncoined; pitch parenthetical trimmed (SLH detail lives in its own block). Suite 153 green (new: webdocs stale-claim regression test).
183 lines
8.2 KiB
Python
183 lines
8.2 KiB
Python
import json
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import threading
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import urllib.request
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from pathlib import Path
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from pacta.signing import generate_ed25519_keypair
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from pacta.transparency import leaf_bytes_for_attestation, verify_inclusion
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from pacta.witness import audit_published_log
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from pacta_provider.transparency_log import TransparencyLog
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from pacta_provider.web import serve
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def _make_log(tmp_path, n=3):
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generate_ed25519_keypair(tmp_path / "k.key", tmp_path / "k.pub")
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log = TransparencyLog(tmp_path / "log")
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log.init("test-provider", tmp_path / "k.pub")
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from pacta.yamlio import dump_data
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for i in range(n):
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att = {
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"schema_version": 1,
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"provider": "test-provider",
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"issued_at": "2026-07-07T00:00:00Z",
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"subject": {"component": f"component-{i}", "repo_commit": f"commit-{i}"},
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"certificates": [{"name": "T.cert", "status": "proven", "axiom_status": "clean"}],
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}
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dump_data(att, tmp_path / f"a{i}.yaml")
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log.append_attestation(tmp_path / f"a{i}.yaml", tmp_path / "k.key", tmp_path / "k.pub")
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return log
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def test_web_endpoints_and_online_proof_roundtrip(tmp_path):
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# root mount: the production shape (ltl.zkdefi.org serves from /)
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import shutil
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_make_log(tmp_path)
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# trust anchor present at render time: front page must display it in full
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shutil.copy2(tmp_path / "k.pub", tmp_path / "log" / "provider.ed25519.pub")
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server = serve(str(tmp_path / "log"), port=0)
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port = server.server_address[1]
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threading.Thread(target=server.serve_forever, daemon=True).start()
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base = f"http://127.0.0.1:{port}"
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try:
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def get(path):
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with urllib.request.urlopen(base + path, timeout=10) as r:
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return json.loads(r.read())
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assert get("/healthz")["tree_size"] == 3
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sth = get("/v1/sth")
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assert sth["tree_size"] == 3
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att = get("/v1/attestation?component=component-1")["attestation"]
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proof = get("/v1/proof?component=component-1")
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ok = verify_inclusion(
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leaf_bytes_for_attestation(att), proof["leaf_index"], proof["tree_size"],
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[bytes.fromhex(h) for h in proof["inclusion_proof"]],
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bytes.fromhex(proof["sth"]["root_hash"]),
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)
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assert ok
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consistency = get("/v1/sth-consistency?first=2")
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assert consistency["from_tree_size"] == 2 and consistency["proof"]
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history = get("/v1/sth-history")["sth_history"]
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assert len(history) == 3 # one head per append
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with urllib.request.urlopen(base + "/paper", timeout=10) as r:
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assert r.headers["Content-Type"] == "application/pdf"
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assert r.read(5) == b"%PDF-"
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with urllib.request.urlopen(base + "/paper/ltl.pdf", timeout=10) as r:
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assert r.read(5) == b"%PDF-"
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# superseded drafts were retired from the site 2026-08-15 (git
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# history retains them); every old variant route must 404
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for gone in ("/paper/v0.0", "/paper/v0.1", "/paper/v0.2"):
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try:
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urllib.request.urlopen(base + gone, timeout=10)
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raise AssertionError(f"expected 404 for retired {gone}")
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except urllib.error.HTTPError as exc:
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assert exc.code == 404, gone
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# the site's copy of the trust anchor (TOFU: two independent locations)
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with urllib.request.urlopen(base + "/log-public-key", timeout=10) as r:
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assert r.read() == (tmp_path / "k.pub").read_bytes()
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# and the front page displays the key IN FULL, above the fold
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with urllib.request.urlopen(base + "/docs", timeout=10) as r:
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page = r.read().decode()
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assert "BEGIN PUBLIC KEY" in page
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assert "pin this key" in page.lower()
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# operator-dropped documents: served by bare name, absent from the
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# endpoint index, traversal-safe
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site = tmp_path / "log" / "site"
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site.mkdir()
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(site / "extra.pdf").write_bytes(b"%PDF-1.4 dummy")
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with urllib.request.urlopen(base + "/extra", timeout=10) as r:
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assert r.read().startswith(b"%PDF-")
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assert r.headers["X-Robots-Tag"].startswith("noindex")
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try:
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urllib.request.urlopen(base + "/nope-not-there", timeout=10)
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raise AssertionError("expected 404")
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except urllib.error.HTTPError as exc:
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listing = json.loads(exc.read())
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assert exc.code == 404
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assert not any("extra" in e for e in listing["endpoints"]) # unlisted
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try:
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urllib.request.urlopen(base + "/..%2fsth", timeout=10)
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raise AssertionError("expected 404")
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except urllib.error.HTTPError as exc:
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assert exc.code == 404
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finally:
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server.shutdown()
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def test_logclient_fetch_and_refresh_pin(tmp_path):
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# path mount still supported for anyone proxying under a prefix
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_make_log(tmp_path)
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server = serve(str(tmp_path / "log"), base_path="lean-transparency-log", port=0)
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port = server.server_address[1]
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threading.Thread(target=server.serve_forever, daemon=True).start()
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base = f"http://127.0.0.1:{port}/lean-transparency-log"
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try:
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from pacta.logclient import fetch_evidence, refresh_pin
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paths = fetch_evidence(base, "component-2", tmp_path / "fetched")
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assert paths["attestation"].exists() and paths["receipt"].exists()
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ok, diagnostics = refresh_pin(base, tmp_path / "pins.json", tmp_path / "k.pub")
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assert ok, diagnostics
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# second refresh: matched, still ok
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ok, _ = refresh_pin(base, tmp_path / "pins.json", tmp_path / "k.pub")
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assert ok
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finally:
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server.shutdown()
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def test_publish_and_witness_audit_catches_tampering(tmp_path):
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log = _make_log(tmp_path)
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published = tmp_path / "published"
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report = log.publish(published, public_key_path=tmp_path / "k.pub")
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assert report["entries"] == 3
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assert (published / "verify.py").exists() and (published / "README.md").exists()
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assert (published / "verify_selftest.py").exists()
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clean = audit_published_log(published, tmp_path / "k.pub")
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assert clean.ok and clean.heads_checked == 3
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# tamper one entry: structural audit must fail loudly
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victim = published / "entries" / "000001.json"
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record = json.loads(victim.read_text())
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record["leaf"]["attestation"]["subject"]["repo_commit"] = "EVIL"
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victim.write_text(json.dumps(record))
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dirty = audit_published_log(published, tmp_path / "k.pub")
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assert not dirty.ok
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assert any("leaf_hash" in problem for problem in dirty.problems)
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assert any("EQUIVOCATION or tampered" in problem for problem in dirty.problems)
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def test_standalone_verify_py_runs(tmp_path):
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import subprocess
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import sys
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log = _make_log(tmp_path)
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published = tmp_path / "published"
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log.publish(published, public_key_path=tmp_path / "k.pub")
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result = subprocess.run([sys.executable, "verify.py", "--all"], cwd=published, capture_output=True, text=True)
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assert result.returncode == 0, result.stdout + result.stderr
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# hardened verifier: full mode (signatures verified) must report exactly this
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assert "RESULT: OK [full]" in result.stdout
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def test_webdocs_source_carries_no_stale_paper_claims():
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# Regression for the 2026-08-16 operator finding: the paper card said
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# "23 pages" and the July-snapshot card survived a silently failed
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# replace (an invisible NBSP defeated the pattern). Guard the shipped
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# STRINGS, not just version markers.
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from pathlib import Path
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source = Path(__file__).resolve().parents[1] / "provider" / "src" / "pacta_provider" / "webdocs.py"
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text = source.read_text(encoding="utf-8")
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for stale in ("snapshot", "thirteen leaves", "16 July", "16 July",
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"16\xa0July", "v0.9", "v0.10", "23 pages"):
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assert stale not in text, f"stale marker {stale!r} in webdocs"
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# printed commands must work as printed: curl needs the scheme
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# (http->https redirect yields empty output), the clone one-liner
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# needs the cd into the cloned directory
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assert "curl -s ltl.zkdefi.org" not in text
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assert "cd lean-transparency-log" in text
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# first-use glosses the page promised: STH and axiom cones
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assert "Signed Tree Head (STH)" in text
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assert "axiom cones (the exact set of assumptions" in text
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