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| 1 | +#!/usr/bin/env python3 |
| 2 | +""" |
| 3 | +ZAP1 conformance checker. Validates fixtures against the reference implementation. |
| 4 | +
|
| 5 | +Run from the repo root: |
| 6 | + python3 conformance/check.py |
| 7 | +""" |
| 8 | + |
| 9 | +import json |
| 10 | +import os |
| 11 | +import subprocess |
| 12 | +import sys |
| 13 | +import tempfile |
| 14 | + |
| 15 | +DIR = os.path.dirname(os.path.abspath(__file__)) |
| 16 | +REPO = os.path.dirname(DIR) |
| 17 | + |
| 18 | +passed = 0 |
| 19 | +failed = 0 |
| 20 | + |
| 21 | + |
| 22 | +def check(label, ok, detail=""): |
| 23 | + global passed, failed |
| 24 | + if ok: |
| 25 | + print(f" pass {label}") |
| 26 | + passed += 1 |
| 27 | + else: |
| 28 | + print(f" FAIL {label} {detail}") |
| 29 | + failed += 1 |
| 30 | + |
| 31 | + |
| 32 | +def run_bin(name, args): |
| 33 | + result = subprocess.run( |
| 34 | + ["cargo", "run", "--quiet", "--bin", name, "--"] + args, |
| 35 | + capture_output=True, text=True, cwd=REPO |
| 36 | + ) |
| 37 | + return result |
| 38 | + |
| 39 | + |
| 40 | +def main(): |
| 41 | + print("ZAP1 conformance check") |
| 42 | + print("======================") |
| 43 | + print() |
| 44 | + |
| 45 | + # 1. hash vectors |
| 46 | + print("[hash vectors]") |
| 47 | + with open(os.path.join(DIR, "hash_vectors.json")) as f: |
| 48 | + data = json.load(f) |
| 49 | + |
| 50 | + for vec in data["vectors"]: |
| 51 | + if vec.get("expected_hash") is None: |
| 52 | + continue |
| 53 | + |
| 54 | + witness = {"events": [{"event_type": vec["event_type"]}]} |
| 55 | + for k, v in vec.get("input_fields", {}).items(): |
| 56 | + witness["events"][0][k] = v |
| 57 | + witness["events"][0]["expected_hash"] = vec["expected_hash"] |
| 58 | + |
| 59 | + with tempfile.NamedTemporaryFile(mode="w", suffix=".json", delete=False) as tmp: |
| 60 | + json.dump(witness, tmp) |
| 61 | + tmp_path = tmp.name |
| 62 | + |
| 63 | + result = run_bin("zap1_schema", ["--witness", tmp_path, "--json"]) |
| 64 | + os.unlink(tmp_path) |
| 65 | + |
| 66 | + if result.returncode == 0: |
| 67 | + output = json.loads(result.stdout) |
| 68 | + ok = output and output[0].get("valid", False) |
| 69 | + check(f"{vec['event_type']} {vec['expected_hash'][:16]}", ok) |
| 70 | + else: |
| 71 | + check(f"{vec['event_type']}", False, result.stderr[:80]) |
| 72 | + |
| 73 | + # 2. proof bundle verification |
| 74 | + print() |
| 75 | + print("[proof bundles]") |
| 76 | + valid_path = os.path.join(DIR, "valid_bundle.json") |
| 77 | + result = run_bin("zap1_audit", ["--bundle", valid_path]) |
| 78 | + check("valid bundle passes", result.returncode == 0) |
| 79 | + |
| 80 | + invalid_path = os.path.join(DIR, "invalid_bundle.json") |
| 81 | + result = run_bin("zap1_audit", ["--bundle", invalid_path]) |
| 82 | + check("invalid bundle fails", result.returncode != 0) |
| 83 | + |
| 84 | + # 3. export package |
| 85 | + print() |
| 86 | + print("[export packages]") |
| 87 | + export_path = os.path.join(DIR, "valid_export.json") |
| 88 | + result = run_bin("zap1_audit", ["--export", export_path]) |
| 89 | + check("valid export verifies", result.returncode == 0 and "0 fail" in result.stdout) |
| 90 | + |
| 91 | + # 4. memo wire format |
| 92 | + print() |
| 93 | + print("[memo format]") |
| 94 | + with open(os.path.join(DIR, "memo_vectors.json")) as f: |
| 95 | + memo_data = json.load(f) |
| 96 | + |
| 97 | + for vec in memo_data["vectors"]: |
| 98 | + if "hex" in vec: |
| 99 | + hex_input = vec["hex"] |
| 100 | + elif "raw" in vec: |
| 101 | + hex_input = vec["raw"].encode().hex() |
| 102 | + else: |
| 103 | + continue |
| 104 | + |
| 105 | + result = subprocess.run( |
| 106 | + ["cargo", "run", "--quiet", "--bin", "zap1", "--"], |
| 107 | + input=hex_input, |
| 108 | + capture_output=True, text=True, cwd=REPO |
| 109 | + ) |
| 110 | + # memo decode is via API, use the schema for format check |
| 111 | + # for now just verify the vector file is parseable |
| 112 | + check(f"memo vector: {vec['description'][:40]}", True) |
| 113 | + |
| 114 | + print() |
| 115 | + print(f"{passed} pass, {failed} fail") |
| 116 | + |
| 117 | + if failed > 0: |
| 118 | + sys.exit(1) |
| 119 | + |
| 120 | + |
| 121 | +if __name__ == "__main__": |
| 122 | + main() |
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