73 lines
3.1 KiB
Python
73 lines
3.1 KiB
Python
#!/usr/bin/env python3
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"""Generate deterministic S4-02 endpoint replay parity evidence."""
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from __future__ import annotations
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import hashlib
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import json
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import subprocess
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from pathlib import Path
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ROOT = Path(__file__).resolve().parents[1]
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OUTPUT = ROOT / "coverage/endpoint-replay-s4.report.json"
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INPUTS = (
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"context-lock.json",
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"web/worker/endpoint-replay.mjs",
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"web/worker/test_endpoint_replay_s4.mjs",
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"web/worker/sim-session.mjs",
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"web/worker/replay.mjs",
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"web/worker/trace-export.mjs",
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"coverage/full-simulation-s4.report.json",
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)
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def digest(data: bytes) -> str:
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return hashlib.sha256(data).hexdigest()
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def canonical(value: object) -> bytes:
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return json.dumps(value, ensure_ascii=False, sort_keys=True, separators=(",", ":")).encode("utf-8")
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def run(command: list[str]) -> dict[str, object]:
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result = subprocess.run(command, cwd=ROOT, text=True, capture_output=True, check=False)
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sample = None
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for line in reversed(result.stdout.splitlines()):
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if line.lstrip().startswith("{"):
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try:
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sample = json.loads(line)
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break
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except json.JSONDecodeError:
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continue
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return {"command": command, "returncode": result.returncode, "status": "verified" if result.returncode == 0 else "blocked", "stdout_sha256": digest(result.stdout.encode()), "stderr_sha256": digest(result.stderr.encode()), "sample": sample}
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def generate(output: Path = OUTPUT) -> dict[str, object]:
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context = json.loads((ROOT / "context-lock.json").read_text(encoding="utf-8"))
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replay = run(["node", "web/worker/test_endpoint_replay_s4.mjs"])
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sample = replay["sample"] or {}
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parity = sample.get("parity", {})
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report: dict[str, object] = {
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"schema": "endpoint-replay-s4-report.v1",
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"task_id": "S4-02",
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"context_id": context["context_id"],
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"status": "verified" if replay["status"] == "verified" and sample.get("status") == "verified" and all(parity.get(name, {}).get("equal") is True for name in ("mode_equal", "duplicate_operation_equal", "recovery_equal", "trace_equal")) and sample.get("first_divergence") is None else "blocked",
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"modes": ["1x", "fast", "single_step", "recover", "trace_import"],
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"parity": parity,
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"first_divergence": sample.get("first_divergence"),
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"boundaries": ["endpoint semantic comparison excludes session-specific sequence/hash wrappers", "official LinuxCNC endpoint oracle remains blocked", "REAL-EXCLUDED host devices remain outside replay"],
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"inputs": [{"path": path, "sha256": digest((ROOT / path).read_bytes())} for path in INPUTS],
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"test": replay,
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"sample": sample,
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"report_sha256": None,
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}
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report["report_sha256"] = digest(canonical({key: value for key, value in report.items() if key != "report_sha256"}))
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output.parent.mkdir(parents=True, exist_ok=True)
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output.write_text(json.dumps(report, ensure_ascii=False, sort_keys=True, indent=2) + "\n", encoding="utf-8")
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return report
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if __name__ == "__main__":
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report = generate()
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print(f"endpoint_replay_s4={report['status']}")
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