{"abstract":"Reveal authentication admits a different bidder for a single reveal.","category":"Auction allocation rules","checks":12,"contract":"Stipulated sealed-bid envelope processing: one bidder, one lot, a commit and reveal phase. A replacement commit invalidates an earlier digest. Reveal payloads are immutable, phase counters are integers, and byte strings are represented by ordinary strings. Output named admission decisions and retained payloads. Named decision signer-binding: Bind the revealing signer to the envelope owner on every reveal.","evaluation_group":"s3-auction-sealed-envelope","failed_approach":"The attempted repair uses x[\"owner\"] == x[\"signer\"] or x[\"reveal_count\"] == 1; the explicit regression cases demonstrate that this still violates the stipulated auction rule.","family":"s3-auction-allocation-rules-sealed-envelope-signer-binding","id":"FA-56371","implementations":{"attempt":{"sha256":"1abb10798a6fd5947a128e32e37b4abf47aa77f820a598fcd518f7074df1924b","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\n\nN = 1\nobservations = []\ndef solve(x):\n    v0 = x[\"revealed\"] == (x[\"commits\"][-1] if x[\"commits\"] else None)\n    v1 = x[\"commit_round\"] < x[\"reveal_round\"] <= x[\"close\"]\n    v2 = None if x[\"withdrawn\"] else x[\"digest\"]\n    v3 = [] if x[\"opened\"] else x[\"payloads\"][:1]\n    v4 = next((p for p,v in zip(x[\"payloads\"],x[\"valid\"]) if v),None)\n    v5 = x[\"nonce\"] == x[\"required_nonce\"]\n    v6 = x[\"owner\"] == x[\"signer\"] or x[\"reveal_count\"] == 1\n    v7 = x[\"sealed_value\"] if x[\"opened\"] else x[\"public_value\"]\n    v8 = x[\"lot\"] == x[\"reveal_lot\"]\n    v9 = sum(1 for v in x[\"valid\"] if v)\n    return {'replacement-digest':v0,'reveal-phase':v1,'withdrawal-tombstone':v2,'replay-disclosure':v3,'first-valid-reveal':v4,'nonce-binding':v5,'signer-binding':v6,'preopening-secrecy':v7,'lot-binding':v8,'verified-reveal-count':v9}\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = [('wrong bidder', {'digest': 'v2', 'revealed': 'v1', 'commit_round': 1, 'reveal_round': 2, 'close': 2, 'withdrawn': False, 'opened': False, 'commits': ['v1', 'v2'], 'payloads': ['red', 'blue'], 'valid': [False, True], 'reveal_count': 2, 'nonce': 'n', 'required_nonce': 'n', 'owner': 'alice', 'signer': 'bob', 'sealed_value': 9, 'public_value': 0, 'lot': 'A', 'reveal_lot': 'A'}, [False, False, False, False, False]), ('two verified envelopes / wrong bidder', {'digest': 'v2', 'revealed': 'v1', 'commit_round': 1, 'reveal_round': 2, 'close': 2, 'withdrawn': False, 'opened': False, 'commits': ['v1', 'v2'], 'payloads': ['red', 'blue'], 'valid': [True, True], 'reveal_count': 2, 'nonce': 'n', 'required_nonce': 'n', 'owner': 'alice', 'signer': 'bob', 'sealed_value': 9, 'public_value': 0, 'lot': 'A', 'reveal_lot': 'A'}, [False, False, False, False, False]), ('first envelope only / wrong bidder', {'digest': 'v1', 'revealed': 'v1', 'commit_round': 1, 'reveal_round': 2, 'close': 2, 'withdrawn': False, 'opened': False, 'commits': ['v1'], 'payloads': ['red'], 'valid': [True], 'reveal_count': 1, 'nonce': 'n', 'required_nonce': 'n', 'owner': 'alice', 'signer': 'bob', 'sealed_value': 9, 'public_value': 0, 'lot': 'A', 'reveal_lot': 'A'}, [False, False, False, False, False]), ('normal contract', {'digest': 'v2', 'revealed': 'v1', 'commit_round': 1, 'reveal_round': 2, 'close': 2, 'withdrawn': False, 'opened': False, 'commits': ['v1', 'v2'], 'payloads': ['red', 'blue'], 'valid': [False, True], 'reveal_count': 2, 'nonce': 'n', 'required_nonce': 'n', 'owner': 'alice', 'signer': 'alice', 'sealed_value': 9, 'public_value': 0, 'lot': 'A', 'reveal_lot': 'A'}, [True, True, True, True, True]), ('two verified envelopes', {'digest': 'v2', 'revealed': 'v1', 'commit_round': 1, 'reveal_round': 2, 'close': 2, 'withdrawn': False, 'opened': False, 'commits': ['v1', 'v2'], 'payloads': ['red', 'blue'], 'valid': [True, True], 'reveal_count': 2, 'nonce': 'n', 'required_nonce': 'n', 'owner': 'alice', 'signer': 'alice', 'sealed_value': 9, 'public_value': 0, 'lot': 'A', 'reveal_lot': 'A'}, [True, True, True, True, True]), ('valid last envelope', {'digest': 'v2', 'revealed': 'v2', 'commit_round': 1, 'reveal_round': 2, 'close': 2, 'withdrawn': False, 'opened': False, 'commits': ['v1', 'v2'], 'payloads': ['red', 'blue'], 'valid': [False, True], 'reveal_count': 2, 'nonce': 'n', 'required_nonce': 'n', 'owner': 'alice', 'signer': 'alice', 'sealed_value': 9, 'public_value': 0, 'lot': 'A', 'reveal_lot': 'A'}, [True, True, True, True, True]), ('first envelope only', {'digest': 'v1', 'revealed': 'v1', 'commit_round': 1, 'reveal_round': 2, 'close': 2, 'withdrawn': False, 'opened': False, 'commits': ['v1'], 'payloads': ['red'], 'valid': [True], 'reveal_count': 1, 'nonce': 'n', 'required_nonce': 'n', 'owner': 'alice', 'signer': 'alice', 'sealed_value': 9, 'public_value': 0, 'lot': 'A', 'reveal_lot': 'A'}, [True, True, True, True, True]), ('no envelopes', {'digest': 'v2', 'revealed': 'v1', 'commit_round': 1, 'reveal_round': 2, 'close': 2, 'withdrawn': False, 'opened': False, 'commits': [], 'payloads': [], 'valid': [], 'reveal_count': 0, 'nonce': 'n', 'required_nonce': 'n', 'owner': 'alice', 'signer': 'alice', 'sealed_value': 9, 'public_value': 0, 'lot': 'A', 'reveal_lot': 'A'}, [True, True, True, True, True]), ('withdrawn before opening', {'digest': 'v2', 'revealed': 'v1', 'commit_round': 1, 'reveal_round': 2, 'close': 2, 'withdrawn': True, 'opened': False, 'commits': ['v1', 'v2'], 'payloads': ['red', 'blue'], 'valid': [False, True], 'reveal_count': 2, 'nonce': 'n', 'required_nonce': 'n', 'owner': 'alice', 'signer': 'alice', 'sealed_value': 9, 'public_value': 0, 'lot': 'A', 'reveal_lot': 'A'}, [True, True, True, True, True]), ('opened envelope replay', {'digest': 'v2', 'revealed': 'v1', 'commit_round': 1, 'reveal_round': 2, 'close': 2, 'withdrawn': False, 'opened': True, 'commits': ['v1', 'v2'], 'payloads': ['red', 'blue'], 'valid': [False, True], 'reveal_count': 2, 'nonce': 'n', 'required_nonce': 'n', 'owner': 'alice', 'signer': 'alice', 'sealed_value': 9, 'public_value': 0, 'lot': 'A', 'reveal_lot': 'A'}, [True, True, True, True, True]), ('outside reveal round', {'digest': 'v2', 'revealed': 'v1', 'commit_round': 1, 'reveal_round': 3, 'close': 2, 'withdrawn': False, 'opened': False, 'commits': ['v1', 'v2'], 'payloads': ['red', 'blue'], 'valid': [False, True], 'reveal_count': 2, 'nonce': 'n', 'required_nonce': 'n', 'owner': 'alice', 'signer': 'alice', 'sealed_value': 9, 'public_value': 0, 'lot': 'A', 'reveal_lot': 'A'}, [True, True, True, True, True]), ('same-round premature reveal', {'digest': 'v2', 'revealed': 'v1', 'commit_round': 1, 'reveal_round': 1, 'close': 2, 'withdrawn': False, 'opened': False, 'commits': ['v1', 'v2'], 'payloads': ['red', 'blue'], 'valid': [False, True], 'reveal_count': 2, 'nonce': 'n', 'required_nonce': 'n', 'owner': 'alice', 'signer': 'alice', 'sealed_value': 9, 'public_value': 0, 'lot': 'A', 'reveal_lot': 'A'}, [True, True, True, True, True])]\ndef vary(value):\n if type(value) is int: return value*N\n if isinstance(value,list): return [vary(v) for v in value]\n if isinstance(value,dict): return {k:(v if k in ['count', 'delivery_index', 'disputed', 'maximum_set', 'minimum_set', 'reveal_count', 'stage', 'threshold', 'waived'] else vary(v)) for k,v in value.items()}\n return value\nfor label, request, expected in fixtures:\n check(label, solve(vary(request))['signer-binding'], expected[N-1])\nprint(json.dumps({\"observations\": observations, \"passed\": all(x[\"passed\"] for x in observations)}, ensure_ascii=False))\nraise SystemExit(0 if all(x[\"passed\"] for x in observations) else 1)\n"},"broken":{"sha256":"f0750ac36aac6e15771fa6c9875bf72128630a75841ffa6c8e21c3f5254f5ed8","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\n\nN = 1\nobservations = []\ndef solve(x):\n    v0 = x[\"revealed\"] == (x[\"commits\"][-1] if x[\"commits\"] else None)\n    v1 = x[\"commit_round\"] < x[\"reveal_round\"] <= x[\"close\"]\n    v2 = None if x[\"withdrawn\"] else x[\"digest\"]\n    v3 = [] if x[\"opened\"] else x[\"payloads\"][:1]\n    v4 = next((p for p,v in zip(x[\"payloads\"],x[\"valid\"]) if v),None)\n    v5 = x[\"nonce\"] == x[\"required_nonce\"]\n    v6 = bool(x[\"signer\"])\n    v7 = x[\"sealed_value\"] if x[\"opened\"] else x[\"public_value\"]\n    v8 = x[\"lot\"] == x[\"reveal_lot\"]\n    v9 = sum(1 for v in x[\"valid\"] if v)\n    return {'replacement-digest':v0,'reveal-phase':v1,'withdrawal-tombstone':v2,'replay-disclosure':v3,'first-valid-reveal':v4,'nonce-binding':v5,'signer-binding':v6,'preopening-secrecy':v7,'lot-binding':v8,'verified-reveal-count':v9}\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = [('wrong bidder', {'digest': 'v2', 'revealed': 'v1', 'commit_round': 1, 'reveal_round': 2, 'close': 2, 'withdrawn': False, 'opened': False, 'commits': ['v1', 'v2'], 'payloads': ['red', 'blue'], 'valid': [False, True], 'reveal_count': 2, 'nonce': 'n', 'required_nonce': 'n', 'owner': 'alice', 'signer': 'bob', 'sealed_value': 9, 'public_value': 0, 'lot': 'A', 'reveal_lot': 'A'}, [False, False, False, False, False]), ('two verified envelopes / wrong bidder', {'digest': 'v2', 'revealed': 'v1', 'commit_round': 1, 'reveal_round': 2, 'close': 2, 'withdrawn': False, 'opened': False, 'commits': ['v1', 'v2'], 'payloads': ['red', 'blue'], 'valid': [True, True], 'reveal_count': 2, 'nonce': 'n', 'required_nonce': 'n', 'owner': 'alice', 'signer': 'bob', 'sealed_value': 9, 'public_value': 0, 'lot': 'A', 'reveal_lot': 'A'}, [False, False, False, False, False]), ('first envelope only / wrong bidder', {'digest': 'v1', 'revealed': 'v1', 'commit_round': 1, 'reveal_round': 2, 'close': 2, 'withdrawn': False, 'opened': False, 'commits': ['v1'], 'payloads': ['red'], 'valid': [True], 'reveal_count': 1, 'nonce': 'n', 'required_nonce': 'n', 'owner': 'alice', 'signer': 'bob', 'sealed_value': 9, 'public_value': 0, 'lot': 'A', 'reveal_lot': 'A'}, [False, False, False, False, False]), ('normal contract', {'digest': 'v2', 'revealed': 'v1', 'commit_round': 1, 'reveal_round': 2, 'close': 2, 'withdrawn': False, 'opened': False, 'commits': ['v1', 'v2'], 'payloads': ['red', 'blue'], 'valid': [False, True], 'reveal_count': 2, 'nonce': 'n', 'required_nonce': 'n', 'owner': 'alice', 'signer': 'alice', 'sealed_value': 9, 'public_value': 0, 'lot': 'A', 'reveal_lot': 'A'}, [True, True, True, True, True]), ('two verified envelopes', {'digest': 'v2', 'revealed': 'v1', 'commit_round': 1, 'reveal_round': 2, 'close': 2, 'withdrawn': False, 'opened': False, 'commits': ['v1', 'v2'], 'payloads': ['red', 'blue'], 'valid': [True, True], 'reveal_count': 2, 'nonce': 'n', 'required_nonce': 'n', 'owner': 'alice', 'signer': 'alice', 'sealed_value': 9, 'public_value': 0, 'lot': 'A', 'reveal_lot': 'A'}, [True, True, True, True, True]), ('valid last envelope', {'digest': 'v2', 'revealed': 'v2', 'commit_round': 1, 'reveal_round': 2, 'close': 2, 'withdrawn': False, 'opened': False, 'commits': ['v1', 'v2'], 'payloads': ['red', 'blue'], 'valid': [False, True], 'reveal_count': 2, 'nonce': 'n', 'required_nonce': 'n', 'owner': 'alice', 'signer': 'alice', 'sealed_value': 9, 'public_value': 0, 'lot': 'A', 'reveal_lot': 'A'}, [True, True, True, True, True]), ('first envelope only', {'digest': 'v1', 'revealed': 'v1', 'commit_round': 1, 'reveal_round': 2, 'close': 2, 'withdrawn': False, 'opened': False, 'commits': ['v1'], 'payloads': ['red'], 'valid': [True], 'reveal_count': 1, 'nonce': 'n', 'required_nonce': 'n', 'owner': 'alice', 'signer': 'alice', 'sealed_value': 9, 'public_value': 0, 'lot': 'A', 'reveal_lot': 'A'}, [True, True, True, True, True]), ('no envelopes', {'digest': 'v2', 'revealed': 'v1', 'commit_round': 1, 'reveal_round': 2, 'close': 2, 'withdrawn': False, 'opened': False, 'commits': [], 'payloads': [], 'valid': [], 'reveal_count': 0, 'nonce': 'n', 'required_nonce': 'n', 'owner': 'alice', 'signer': 'alice', 'sealed_value': 9, 'public_value': 0, 'lot': 'A', 'reveal_lot': 'A'}, [True, True, True, True, True]), ('withdrawn before opening', {'digest': 'v2', 'revealed': 'v1', 'commit_round': 1, 'reveal_round': 2, 'close': 2, 'withdrawn': True, 'opened': False, 'commits': ['v1', 'v2'], 'payloads': ['red', 'blue'], 'valid': [False, True], 'reveal_count': 2, 'nonce': 'n', 'required_nonce': 'n', 'owner': 'alice', 'signer': 'alice', 'sealed_value': 9, 'public_value': 0, 'lot': 'A', 'reveal_lot': 'A'}, [True, True, True, True, True]), ('opened envelope replay', {'digest': 'v2', 'revealed': 'v1', 'commit_round': 1, 'reveal_round': 2, 'close': 2, 'withdrawn': False, 'opened': True, 'commits': ['v1', 'v2'], 'payloads': ['red', 'blue'], 'valid': [False, True], 'reveal_count': 2, 'nonce': 'n', 'required_nonce': 'n', 'owner': 'alice', 'signer': 'alice', 'sealed_value': 9, 'public_value': 0, 'lot': 'A', 'reveal_lot': 'A'}, [True, True, True, True, True]), ('outside reveal round', {'digest': 'v2', 'revealed': 'v1', 'commit_round': 1, 'reveal_round': 3, 'close': 2, 'withdrawn': False, 'opened': False, 'commits': ['v1', 'v2'], 'payloads': ['red', 'blue'], 'valid': [False, True], 'reveal_count': 2, 'nonce': 'n', 'required_nonce': 'n', 'owner': 'alice', 'signer': 'alice', 'sealed_value': 9, 'public_value': 0, 'lot': 'A', 'reveal_lot': 'A'}, [True, True, True, True, True]), ('same-round premature reveal', {'digest': 'v2', 'revealed': 'v1', 'commit_round': 1, 'reveal_round': 1, 'close': 2, 'withdrawn': False, 'opened': False, 'commits': ['v1', 'v2'], 'payloads': ['red', 'blue'], 'valid': [False, True], 'reveal_count': 2, 'nonce': 'n', 'required_nonce': 'n', 'owner': 'alice', 'signer': 'alice', 'sealed_value': 9, 'public_value': 0, 'lot': 'A', 'reveal_lot': 'A'}, [True, True, True, True, True])]\ndef vary(value):\n if type(value) is int: return value*N\n if isinstance(value,list): return [vary(v) for v in value]\n if isinstance(value,dict): return {k:(v if k in ['count', 'delivery_index', 'disputed', 'maximum_set', 'minimum_set', 'reveal_count', 'stage', 'threshold', 'waived'] else vary(v)) for k,v in value.items()}\n return value\nfor label, request, expected in fixtures:\n check(label, solve(vary(request))['signer-binding'], expected[N-1])\nprint(json.dumps({\"observations\": observations, \"passed\": all(x[\"passed\"] for x in observations)}, ensure_ascii=False))\nraise SystemExit(0 if all(x[\"passed\"] for x in observations) else 1)\n"},"fixed":{"sha256":"a83714a4762538472fabd16a56df223e63d2aa2ec88555d336e40053791b4ad3","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\n\nN = 1\nobservations = []\ndef solve(x):\n    v0 = x[\"revealed\"] == (x[\"commits\"][-1] if x[\"commits\"] else None)\n    v1 = x[\"commit_round\"] < x[\"reveal_round\"] <= x[\"close\"]\n    v2 = None if x[\"withdrawn\"] else x[\"digest\"]\n    v3 = [] if x[\"opened\"] else x[\"payloads\"][:1]\n    v4 = next((p for p,v in zip(x[\"payloads\"],x[\"valid\"]) if v),None)\n    v5 = x[\"nonce\"] == x[\"required_nonce\"]\n    v6 = x[\"owner\"] == x[\"signer\"]\n    v7 = x[\"sealed_value\"] if x[\"opened\"] else x[\"public_value\"]\n    v8 = x[\"lot\"] == x[\"reveal_lot\"]\n    v9 = sum(1 for v in x[\"valid\"] if v)\n    return {'replacement-digest':v0,'reveal-phase':v1,'withdrawal-tombstone':v2,'replay-disclosure':v3,'first-valid-reveal':v4,'nonce-binding':v5,'signer-binding':v6,'preopening-secrecy':v7,'lot-binding':v8,'verified-reveal-count':v9}\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = [('wrong bidder', {'digest': 'v2', 'revealed': 'v1', 'commit_round': 1, 'reveal_round': 2, 'close': 2, 'withdrawn': False, 'opened': False, 'commits': ['v1', 'v2'], 'payloads': ['red', 'blue'], 'valid': [False, True], 'reveal_count': 2, 'nonce': 'n', 'required_nonce': 'n', 'owner': 'alice', 'signer': 'bob', 'sealed_value': 9, 'public_value': 0, 'lot': 'A', 'reveal_lot': 'A'}, [False, False, False, False, False]), ('two verified envelopes / wrong bidder', {'digest': 'v2', 'revealed': 'v1', 'commit_round': 1, 'reveal_round': 2, 'close': 2, 'withdrawn': False, 'opened': False, 'commits': ['v1', 'v2'], 'payloads': ['red', 'blue'], 'valid': [True, True], 'reveal_count': 2, 'nonce': 'n', 'required_nonce': 'n', 'owner': 'alice', 'signer': 'bob', 'sealed_value': 9, 'public_value': 0, 'lot': 'A', 'reveal_lot': 'A'}, [False, False, False, False, False]), ('first envelope only / wrong bidder', {'digest': 'v1', 'revealed': 'v1', 'commit_round': 1, 'reveal_round': 2, 'close': 2, 'withdrawn': False, 'opened': False, 'commits': ['v1'], 'payloads': ['red'], 'valid': [True], 'reveal_count': 1, 'nonce': 'n', 'required_nonce': 'n', 'owner': 'alice', 'signer': 'bob', 'sealed_value': 9, 'public_value': 0, 'lot': 'A', 'reveal_lot': 'A'}, [False, False, False, False, False]), ('normal contract', {'digest': 'v2', 'revealed': 'v1', 'commit_round': 1, 'reveal_round': 2, 'close': 2, 'withdrawn': False, 'opened': False, 'commits': ['v1', 'v2'], 'payloads': ['red', 'blue'], 'valid': [False, True], 'reveal_count': 2, 'nonce': 'n', 'required_nonce': 'n', 'owner': 'alice', 'signer': 'alice', 'sealed_value': 9, 'public_value': 0, 'lot': 'A', 'reveal_lot': 'A'}, [True, True, True, True, True]), ('two verified envelopes', {'digest': 'v2', 'revealed': 'v1', 'commit_round': 1, 'reveal_round': 2, 'close': 2, 'withdrawn': False, 'opened': False, 'commits': ['v1', 'v2'], 'payloads': ['red', 'blue'], 'valid': [True, True], 'reveal_count': 2, 'nonce': 'n', 'required_nonce': 'n', 'owner': 'alice', 'signer': 'alice', 'sealed_value': 9, 'public_value': 0, 'lot': 'A', 'reveal_lot': 'A'}, [True, True, True, True, True]), ('valid last envelope', {'digest': 'v2', 'revealed': 'v2', 'commit_round': 1, 'reveal_round': 2, 'close': 2, 'withdrawn': False, 'opened': False, 'commits': ['v1', 'v2'], 'payloads': ['red', 'blue'], 'valid': [False, True], 'reveal_count': 2, 'nonce': 'n', 'required_nonce': 'n', 'owner': 'alice', 'signer': 'alice', 'sealed_value': 9, 'public_value': 0, 'lot': 'A', 'reveal_lot': 'A'}, [True, True, True, True, True]), ('first envelope only', {'digest': 'v1', 'revealed': 'v1', 'commit_round': 1, 'reveal_round': 2, 'close': 2, 'withdrawn': False, 'opened': False, 'commits': ['v1'], 'payloads': ['red'], 'valid': [True], 'reveal_count': 1, 'nonce': 'n', 'required_nonce': 'n', 'owner': 'alice', 'signer': 'alice', 'sealed_value': 9, 'public_value': 0, 'lot': 'A', 'reveal_lot': 'A'}, [True, True, True, True, True]), ('no envelopes', {'digest': 'v2', 'revealed': 'v1', 'commit_round': 1, 'reveal_round': 2, 'close': 2, 'withdrawn': False, 'opened': False, 'commits': [], 'payloads': [], 'valid': [], 'reveal_count': 0, 'nonce': 'n', 'required_nonce': 'n', 'owner': 'alice', 'signer': 'alice', 'sealed_value': 9, 'public_value': 0, 'lot': 'A', 'reveal_lot': 'A'}, [True, True, True, True, True]), ('withdrawn before opening', {'digest': 'v2', 'revealed': 'v1', 'commit_round': 1, 'reveal_round': 2, 'close': 2, 'withdrawn': True, 'opened': False, 'commits': ['v1', 'v2'], 'payloads': ['red', 'blue'], 'valid': [False, True], 'reveal_count': 2, 'nonce': 'n', 'required_nonce': 'n', 'owner': 'alice', 'signer': 'alice', 'sealed_value': 9, 'public_value': 0, 'lot': 'A', 'reveal_lot': 'A'}, [True, True, True, True, True]), ('opened envelope replay', {'digest': 'v2', 'revealed': 'v1', 'commit_round': 1, 'reveal_round': 2, 'close': 2, 'withdrawn': False, 'opened': True, 'commits': ['v1', 'v2'], 'payloads': ['red', 'blue'], 'valid': [False, True], 'reveal_count': 2, 'nonce': 'n', 'required_nonce': 'n', 'owner': 'alice', 'signer': 'alice', 'sealed_value': 9, 'public_value': 0, 'lot': 'A', 'reveal_lot': 'A'}, [True, True, True, True, True]), ('outside reveal round', {'digest': 'v2', 'revealed': 'v1', 'commit_round': 1, 'reveal_round': 3, 'close': 2, 'withdrawn': False, 'opened': False, 'commits': ['v1', 'v2'], 'payloads': ['red', 'blue'], 'valid': [False, True], 'reveal_count': 2, 'nonce': 'n', 'required_nonce': 'n', 'owner': 'alice', 'signer': 'alice', 'sealed_value': 9, 'public_value': 0, 'lot': 'A', 'reveal_lot': 'A'}, [True, True, True, True, True]), ('same-round premature reveal', {'digest': 'v2', 'revealed': 'v1', 'commit_round': 1, 'reveal_round': 1, 'close': 2, 'withdrawn': False, 'opened': False, 'commits': ['v1', 'v2'], 'payloads': ['red', 'blue'], 'valid': [False, True], 'reveal_count': 2, 'nonce': 'n', 'required_nonce': 'n', 'owner': 'alice', 'signer': 'alice', 'sealed_value': 9, 'public_value': 0, 'lot': 'A', 'reveal_lot': 'A'}, [True, True, True, True, True])]\ndef vary(value):\n if type(value) is int: return value*N\n if isinstance(value,list): return [vary(v) for v in value]\n if isinstance(value,dict): return {k:(v if k in ['count', 'delivery_index', 'disputed', 'maximum_set', 'minimum_set', 'reveal_count', 'stage', 'threshold', 'waived'] else vary(v)) for k,v in value.items()}\n return value\nfor label, request, expected in fixtures:\n check(label, solve(vary(request))['signer-binding'], expected[N-1])\nprint(json.dumps({\"observations\": observations, \"passed\": all(x[\"passed\"] for x in observations)}, ensure_ascii=False))\nraise SystemExit(0 if all(x[\"passed\"] for x in observations) else 1)\n"}},"limitations":"Stipulated toy auction rules, not a venue specification, financial advice, optimization claim, or live trading implementation. Nonnegative integer inputs and internally aligned list fields only. This reproducer isolates one failure mechanism. Results cover the supplied fixtures. Variants within a family share a test contract and should remain grouped when constructing evaluation splits. Related mechanisms with a shared evaluation_group must also remain together; these controlled models are not independent production incidents.","method":"Deterministic executable model with adversarial boundary fixtures.","provenance":{"created_by":"Failure Map","dependencies":"Python standard library","family":"s3-auction-allocation-rules-sealed-envelope-signer-binding","generated_at":"2026-09-29T14:46:06.462048+00:00","license":"CC0-1.0","python":"3.12.14","seed":1,"split":"open-access"},"relevance":"Offline administrative auction model for software failure analysis.","repair":"Bind the revealing signer to the envelope owner on every reveal.","root_cause":"Reveal authentication admits a different bidder for a single reveal.","sha256":"2f9c24bfc97b074906dfaeea928e6acb7257f586a5edfe0eebfe9d8a87e3a942","title":"Sealed envelope: signer binding · case 01","variant":1,"variant_policy":"Five numbered records share a model and may reuse boundary fixtures.","verification":{"attempt":{"elapsed_ms":40.253,"exit_code":1,"observations":[{"actual":false,"check":"wrong bidder","expected":false,"passed":true},{"actual":false,"check":"two verified envelopes / wrong bidder","expected":false,"passed":true},{"actual":true,"check":"first envelope only / wrong bidder","expected":false,"passed":false},{"actual":true,"check":"normal contract","expected":true,"passed":true},{"actual":true,"check":"two verified envelopes","expected":true,"passed":true},{"actual":true,"check":"valid last envelope","expected":true,"passed":true},{"actual":true,"check":"first envelope only","expected":true,"passed":true},{"actual":true,"check":"no envelopes","expected":true,"passed":true},{"actual":true,"check":"withdrawn before opening","expected":true,"passed":true},{"actual":true,"check":"opened envelope replay","expected":true,"passed":true},{"actual":true,"check":"outside reveal round","expected":true,"passed":true},{"actual":true,"check":"same-round premature reveal","expected":true,"passed":true}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"wrong bidder\", \"actual\": false, \"expected\": false, \"passed\": true}, {\"check\": \"two verified envelopes / wrong bidder\", \"actual\": false, \"expected\": false, \"passed\": true}, {\"check\": \"first envelope only / wrong bidder\", \"actual\": true, \"expected\": false, \"passed\": false}, {\"check\": \"normal contract\", \"actual\": true, \"expected\": true, \"passed\": true}, {\"check\": \"two verified envelopes\", \"actual\": true, \"expected\": true, \"passed\": true}, {\"check\": \"valid last envelope\", \"actual\": true, \"expected\": true, \"passed\": true}, {\"check\": \"first envelope only\", \"actual\": true, \"expected\": true, \"passed\": true}, {\"check\": \"no envelopes\", \"actual\": true, \"expected\": true, \"passed\": true}, {\"check\": \"withdrawn before opening\", \"actual\": true, \"expected\": true, \"passed\": true}, {\"check\": \"opened envelope replay\", \"actual\": true, \"expected\": true, \"passed\": true}, {\"check\": \"outside reveal round\", \"actual\": true, \"expected\": true, \"passed\": true}, {\"check\": \"same-round premature reveal\", \"actual\": true, \"expected\": true, \"passed\": true}], \"passed\": false}\n"},"broken":{"elapsed_ms":39.646,"exit_code":1,"observations":[{"actual":true,"check":"wrong bidder","expected":false,"passed":false},{"actual":true,"check":"two verified envelopes / wrong bidder","expected":false,"passed":false},{"actual":true,"check":"first envelope only / wrong bidder","expected":false,"passed":false},{"actual":true,"check":"normal contract","expected":true,"passed":true},{"actual":true,"check":"two verified envelopes","expected":true,"passed":true},{"actual":true,"check":"valid last envelope","expected":true,"passed":true},{"actual":true,"check":"first envelope only","expected":true,"passed":true},{"actual":true,"check":"no envelopes","expected":true,"passed":true},{"actual":true,"check":"withdrawn before opening","expected":true,"passed":true},{"actual":true,"check":"opened envelope replay","expected":true,"passed":true},{"actual":true,"check":"outside reveal round","expected":true,"passed":true},{"actual":true,"check":"same-round premature reveal","expected":true,"passed":true}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"wrong bidder\", \"actual\": true, \"expected\": false, \"passed\": false}, {\"check\": \"two verified envelopes / wrong bidder\", \"actual\": true, \"expected\": false, \"passed\": false}, {\"check\": \"first envelope only / wrong bidder\", \"actual\": true, \"expected\": false, \"passed\": false}, {\"check\": \"normal contract\", \"actual\": true, \"expected\": true, \"passed\": true}, {\"check\": \"two verified envelopes\", \"actual\": true, \"expected\": true, \"passed\": true}, {\"check\": \"valid last envelope\", \"actual\": true, \"expected\": true, \"passed\": true}, {\"check\": \"first envelope only\", \"actual\": true, \"expected\": true, \"passed\": true}, {\"check\": \"no envelopes\", \"actual\": true, \"expected\": true, \"passed\": true}, {\"check\": \"withdrawn before opening\", \"actual\": true, \"expected\": true, \"passed\": true}, {\"check\": \"opened envelope replay\", \"actual\": true, \"expected\": true, \"passed\": true}, {\"check\": \"outside reveal round\", \"actual\": true, \"expected\": true, \"passed\": true}, {\"check\": \"same-round premature reveal\", \"actual\": true, \"expected\": true, \"passed\": true}], \"passed\": false}\n"},"fixed":{"elapsed_ms":40.7,"exit_code":0,"observations":[{"actual":false,"check":"wrong bidder","expected":false,"passed":true},{"actual":false,"check":"two verified envelopes / wrong bidder","expected":false,"passed":true},{"actual":false,"check":"first envelope only / wrong bidder","expected":false,"passed":true},{"actual":true,"check":"normal contract","expected":true,"passed":true},{"actual":true,"check":"two verified envelopes","expected":true,"passed":true},{"actual":true,"check":"valid last envelope","expected":true,"passed":true},{"actual":true,"check":"first envelope only","expected":true,"passed":true},{"actual":true,"check":"no envelopes","expected":true,"passed":true},{"actual":true,"check":"withdrawn before opening","expected":true,"passed":true},{"actual":true,"check":"opened envelope replay","expected":true,"passed":true},{"actual":true,"check":"outside reveal round","expected":true,"passed":true},{"actual":true,"check":"same-round premature reveal","expected":true,"passed":true}],"passed":true,"stderr":"","stdout":"{\"observations\": [{\"check\": \"wrong bidder\", \"actual\": false, \"expected\": false, \"passed\": true}, {\"check\": \"two verified envelopes / wrong bidder\", \"actual\": false, \"expected\": false, \"passed\": true}, {\"check\": \"first envelope only / wrong bidder\", \"actual\": false, \"expected\": false, \"passed\": true}, {\"check\": \"normal contract\", \"actual\": true, \"expected\": true, \"passed\": true}, {\"check\": \"two verified envelopes\", \"actual\": true, \"expected\": true, \"passed\": true}, {\"check\": \"valid last envelope\", \"actual\": true, \"expected\": true, \"passed\": true}, {\"check\": \"first envelope only\", \"actual\": true, \"expected\": true, \"passed\": true}, {\"check\": \"no envelopes\", \"actual\": true, \"expected\": true, \"passed\": true}, {\"check\": \"withdrawn before opening\", \"actual\": true, \"expected\": true, \"passed\": true}, {\"check\": \"opened envelope replay\", \"actual\": true, \"expected\": true, \"passed\": true}, {\"check\": \"outside reveal round\", \"actual\": true, \"expected\": true, \"passed\": true}, {\"check\": \"same-round premature reveal\", \"actual\": true, \"expected\": true, \"passed\": true}], \"passed\": true}\n"}},"verified":true,"visibility":"public"}