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FA-56861 / Auction allocation rules / Open access

Deposit admission: denomination scope · case 01

A nominally sufficient deposit bypasses denomination validation.

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ROOT CAUSE

A nominally sufficient deposit bypasses denomination validation.

VERIFIED REPAIR

For denomination scope, apply the stipulated decision x["currency"]==x["deposit_currency"].

Unsuccessful approach: The attempted repair uses x["currency"]==x["deposit_currency"] or x["cleared"]>=x["required"]; the explicit regression cases demonstrate that this still violates the stipulated auction rule.

Case contract

Toy bidder deposits consist of cleared, pending and restricted tranches. Deposits are auction-scoped and denomination-specific. Admission capacity is per bidder; a waiver substitutes for a required deposit without turning a pending transfer into cash. Named decision denomination-scope: For denomination scope, apply the stipulated decision x["currency"]==x["deposit_currency"].

Why this case matters

Offline administrative auction model for software failure analysis.

1 / The failure

Exit 1
"""Failure Map reference implementation. Python standard library only."""
import json

N = 1
observations = []
def solve(x):
    v0 = x["cleared"]>=x["required"]
    v1 = max(0,x["cleared"]-x["restricted"])
    v2 = x["waiver"] or x["cleared"]>=x["required"]
    v3 = x["auction"]==x["deposit_auction"]
    v4 = True
    v5 = max(0,x["cleared"]-x["chargeback"])
    v6 = max(0,x["cleared"]-x["locked"])
    v7 = x["owner"]==x["beneficiary"] and x["owner"] in x["owners"]
    v8 = 0 if x["expired"] else x["cleared"]+(x["topup"] if x["confirmed"] else 0)
    v9 = min(x["refunded"],max(0,x["cleared"]-x["locked"]))
    return {'cleared-admission':v0,'restricted-tranche':v1,'deposit-waiver-admission':v2,'auction-scope':v3,'denomination-scope':v4,'chargeback-recovery':v5,'withdrawable-deposit':v6,'beneficial-owner':v7,'topup-posting':v8,'refund-available-ceiling':v9}
def check(label, actual, expected):
    observations.append({"check": label, "actual": actual, "expected": expected, "passed": actual == expected})
fixtures = [('wrong denomination', {'cleared': 20, 'pending': 15, 'restricted': 7, 'required': 25, 'waiver': False, 'auction': 'A', 'deposit_auction': 'A', 'currency': 'TOK', 'deposit_currency': 'ALT', 'chargeback': 3, 'locked': 6, 'owners': ['a', 'b'], 'owner': 'a', 'beneficiary': 'a', 'expired': False, 'topup': 8, 'confirmed': False, 'refunded': 4}, [False, False, False, False, False]), ('cleared sufficient / wrong denomination', {'cleared': 20, 'pending': 15, 'restricted': 7, 'required': 10, 'waiver': False, 'auction': 'A', 'deposit_auction': 'A', 'currency': 'TOK', 'deposit_currency': 'ALT', 'chargeback': 3, 'locked': 6, 'owners': ['a', 'b'], 'owner': 'a', 'beneficiary': 'a', 'expired': False, 'topup': 8, 'confirmed': False, 'refunded': 4}, [False, False, False, False, False]), ('normal contract', {'cleared': 20, 'pending': 15, 'restricted': 7, 'required': 25, 'waiver': False, 'auction': 'A', 'deposit_auction': 'A', 'currency': 'TOK', 'deposit_currency': 'TOK', 'chargeback': 3, 'locked': 6, 'owners': ['a', 'b'], 'owner': 'a', 'beneficiary': 'a', 'expired': False, 'topup': 8, 'confirmed': False, 'refunded': 4}, [True, True, True, True, True]), ('cleared sufficient', {'cleared': 20, 'pending': 15, 'restricted': 7, 'required': 10, 'waiver': False, 'auction': 'A', 'deposit_auction': 'A', 'currency': 'TOK', 'deposit_currency': 'TOK', 'chargeback': 3, 'locked': 6, 'owners': ['a', 'b'], 'owner': 'a', 'beneficiary': 'a', 'expired': False, 'topup': 8, 'confirmed': False, 'refunded': 4}, [True, True, True, True, True]), ('deposit waived', {'cleared': 20, 'pending': 15, 'restricted': 7, 'required': 25, 'waiver': True, 'auction': 'A', 'deposit_auction': 'A', 'currency': 'TOK', 'deposit_currency': 'TOK', 'chargeback': 3, 'locked': 6, 'owners': ['a', 'b'], 'owner': 'a', 'beneficiary': 'a', 'expired': False, 'topup': 8, 'confirmed': False, 'refunded': 4}, [True, True, True, True, True]), ('wrong auction', {'cleared': 20, 'pending': 15, 'restricted': 7, 'required': 25, 'waiver': False, 'auction': 'A', 'deposit_auction': 'B', 'currency': 'TOK', 'deposit_currency': 'TOK', 'chargeback': 3, 'locked': 6, 'owners': ['a', 'b'], 'owner': 'a', 'beneficiary': 'a', 'expired': False, 'topup': 8, 'confirmed': False, 'refunded': 4}, [True, True, True, True, True]), ('expired deposit', {'cleared': 20, 'pending': 15, 'restricted': 7, 'required': 25, 'waiver': False, 'auction': 'A', 'deposit_auction': 'A', 'currency': 'TOK', 'deposit_currency': 'TOK', 'chargeback': 3, 'locked': 6, 'owners': ['a', 'b'], 'owner': 'a', 'beneficiary': 'a', 'expired': True, 'topup': 8, 'confirmed': False, 'refunded': 4}, [True, True, True, True, True]), ('topup confirmed', {'cleared': 20, 'pending': 15, 'restricted': 7, 'required': 25, 'waiver': False, 'auction': 'A', 'deposit_auction': 'A', 'currency': 'TOK', 'deposit_currency': 'TOK', 'chargeback': 3, 'locked': 6, 'owners': ['a', 'b'], 'owner': 'a', 'beneficiary': 'a', 'expired': False, 'topup': 8, 'confirmed': True, 'refunded': 4}, [True, True, True, True, True]), ('chargeback consumes balance', {'cleared': 20, 'pending': 15, 'restricted': 7, 'required': 25, 'waiver': False, 'auction': 'A', 'deposit_auction': 'A', 'currency': 'TOK', 'deposit_currency': 'TOK', 'chargeback': 30, 'locked': 6, 'owners': ['a', 'b'], 'owner': 'a', 'beneficiary': 'a', 'expired': False, 'topup': 8, 'confirmed': False, 'refunded': 4}, [True, True, True, True, True]), ('all locked', {'cleared': 20, 'pending': 15, 'restricted': 7, 'required': 25, 'waiver': False, 'auction': 'A', 'deposit_auction': 'A', 'currency': 'TOK', 'deposit_currency': 'TOK', 'chargeback': 3, 'locked': 30, 'owners': ['a', 'b'], 'owner': 'a', 'beneficiary': 'a', 'expired': False, 'topup': 8, 'confirmed': False, 'refunded': 4}, [True, True, True, True, True])]
def vary(value):
 if type(value) is int: return value*N
 if isinstance(value,list): return [vary(v) for v in value]
 if isinstance(value,dict): return {k:(v if k in ['count', 'delivery_index', 'disputed', 'maximum_set', 'minimum_set', 'stage', 'threshold', 'waived'] else vary(v)) for k,v in value.items()}
 return value
for label, request, expected in fixtures:
 check(label, solve(vary(request))['denomination-scope'], expected[N-1])
print(json.dumps({"observations": observations, "passed": all(x["passed"] for x in observations)}, ensure_ascii=False))
raise SystemExit(0 if all(x["passed"] for x in observations) else 1)
Boundary fixtureActualExpectedOutcome
wrong denominationTrueFalseFailed
cleared sufficient / wrong denominationTrueFalseFailed
normal contractTrueTruePassed
cleared sufficientTrueTruePassed
deposit waivedTrueTruePassed
wrong auctionTrueTruePassed
expired depositTrueTruePassed
topup confirmedTrueTruePassed
chargeback consumes balanceTrueTruePassed
all lockedTrueTruePassed

SHA-256 / 0d469b95d280ef7b6bf28f26c738e3ad1d0410fab18f2076e71272d5a3d6687d

2 / The unsuccessful fix

Exit 1
"""Failure Map reference implementation. Python standard library only."""
import json

N = 1
observations = []
def solve(x):
    v0 = x["cleared"]>=x["required"]
    v1 = max(0,x["cleared"]-x["restricted"])
    v2 = x["waiver"] or x["cleared"]>=x["required"]
    v3 = x["auction"]==x["deposit_auction"]
    v4 = x["currency"]==x["deposit_currency"] or x["cleared"]>=x["required"]
    v5 = max(0,x["cleared"]-x["chargeback"])
    v6 = max(0,x["cleared"]-x["locked"])
    v7 = x["owner"]==x["beneficiary"] and x["owner"] in x["owners"]
    v8 = 0 if x["expired"] else x["cleared"]+(x["topup"] if x["confirmed"] else 0)
    v9 = min(x["refunded"],max(0,x["cleared"]-x["locked"]))
    return {'cleared-admission':v0,'restricted-tranche':v1,'deposit-waiver-admission':v2,'auction-scope':v3,'denomination-scope':v4,'chargeback-recovery':v5,'withdrawable-deposit':v6,'beneficial-owner':v7,'topup-posting':v8,'refund-available-ceiling':v9}
def check(label, actual, expected):
    observations.append({"check": label, "actual": actual, "expected": expected, "passed": actual == expected})
fixtures = [('wrong denomination', {'cleared': 20, 'pending': 15, 'restricted': 7, 'required': 25, 'waiver': False, 'auction': 'A', 'deposit_auction': 'A', 'currency': 'TOK', 'deposit_currency': 'ALT', 'chargeback': 3, 'locked': 6, 'owners': ['a', 'b'], 'owner': 'a', 'beneficiary': 'a', 'expired': False, 'topup': 8, 'confirmed': False, 'refunded': 4}, [False, False, False, False, False]), ('cleared sufficient / wrong denomination', {'cleared': 20, 'pending': 15, 'restricted': 7, 'required': 10, 'waiver': False, 'auction': 'A', 'deposit_auction': 'A', 'currency': 'TOK', 'deposit_currency': 'ALT', 'chargeback': 3, 'locked': 6, 'owners': ['a', 'b'], 'owner': 'a', 'beneficiary': 'a', 'expired': False, 'topup': 8, 'confirmed': False, 'refunded': 4}, [False, False, False, False, False]), ('normal contract', {'cleared': 20, 'pending': 15, 'restricted': 7, 'required': 25, 'waiver': False, 'auction': 'A', 'deposit_auction': 'A', 'currency': 'TOK', 'deposit_currency': 'TOK', 'chargeback': 3, 'locked': 6, 'owners': ['a', 'b'], 'owner': 'a', 'beneficiary': 'a', 'expired': False, 'topup': 8, 'confirmed': False, 'refunded': 4}, [True, True, True, True, True]), ('cleared sufficient', {'cleared': 20, 'pending': 15, 'restricted': 7, 'required': 10, 'waiver': False, 'auction': 'A', 'deposit_auction': 'A', 'currency': 'TOK', 'deposit_currency': 'TOK', 'chargeback': 3, 'locked': 6, 'owners': ['a', 'b'], 'owner': 'a', 'beneficiary': 'a', 'expired': False, 'topup': 8, 'confirmed': False, 'refunded': 4}, [True, True, True, True, True]), ('deposit waived', {'cleared': 20, 'pending': 15, 'restricted': 7, 'required': 25, 'waiver': True, 'auction': 'A', 'deposit_auction': 'A', 'currency': 'TOK', 'deposit_currency': 'TOK', 'chargeback': 3, 'locked': 6, 'owners': ['a', 'b'], 'owner': 'a', 'beneficiary': 'a', 'expired': False, 'topup': 8, 'confirmed': False, 'refunded': 4}, [True, True, True, True, True]), ('wrong auction', {'cleared': 20, 'pending': 15, 'restricted': 7, 'required': 25, 'waiver': False, 'auction': 'A', 'deposit_auction': 'B', 'currency': 'TOK', 'deposit_currency': 'TOK', 'chargeback': 3, 'locked': 6, 'owners': ['a', 'b'], 'owner': 'a', 'beneficiary': 'a', 'expired': False, 'topup': 8, 'confirmed': False, 'refunded': 4}, [True, True, True, True, True]), ('expired deposit', {'cleared': 20, 'pending': 15, 'restricted': 7, 'required': 25, 'waiver': False, 'auction': 'A', 'deposit_auction': 'A', 'currency': 'TOK', 'deposit_currency': 'TOK', 'chargeback': 3, 'locked': 6, 'owners': ['a', 'b'], 'owner': 'a', 'beneficiary': 'a', 'expired': True, 'topup': 8, 'confirmed': False, 'refunded': 4}, [True, True, True, True, True]), ('topup confirmed', {'cleared': 20, 'pending': 15, 'restricted': 7, 'required': 25, 'waiver': False, 'auction': 'A', 'deposit_auction': 'A', 'currency': 'TOK', 'deposit_currency': 'TOK', 'chargeback': 3, 'locked': 6, 'owners': ['a', 'b'], 'owner': 'a', 'beneficiary': 'a', 'expired': False, 'topup': 8, 'confirmed': True, 'refunded': 4}, [True, True, True, True, True]), ('chargeback consumes balance', {'cleared': 20, 'pending': 15, 'restricted': 7, 'required': 25, 'waiver': False, 'auction': 'A', 'deposit_auction': 'A', 'currency': 'TOK', 'deposit_currency': 'TOK', 'chargeback': 30, 'locked': 6, 'owners': ['a', 'b'], 'owner': 'a', 'beneficiary': 'a', 'expired': False, 'topup': 8, 'confirmed': False, 'refunded': 4}, [True, True, True, True, True]), ('all locked', {'cleared': 20, 'pending': 15, 'restricted': 7, 'required': 25, 'waiver': False, 'auction': 'A', 'deposit_auction': 'A', 'currency': 'TOK', 'deposit_currency': 'TOK', 'chargeback': 3, 'locked': 30, 'owners': ['a', 'b'], 'owner': 'a', 'beneficiary': 'a', 'expired': False, 'topup': 8, 'confirmed': False, 'refunded': 4}, [True, True, True, True, True])]
def vary(value):
 if type(value) is int: return value*N
 if isinstance(value,list): return [vary(v) for v in value]
 if isinstance(value,dict): return {k:(v if k in ['count', 'delivery_index', 'disputed', 'maximum_set', 'minimum_set', 'stage', 'threshold', 'waived'] else vary(v)) for k,v in value.items()}
 return value
for label, request, expected in fixtures:
 check(label, solve(vary(request))['denomination-scope'], expected[N-1])
print(json.dumps({"observations": observations, "passed": all(x["passed"] for x in observations)}, ensure_ascii=False))
raise SystemExit(0 if all(x["passed"] for x in observations) else 1)
Boundary fixtureActualExpectedOutcome
wrong denominationFalseFalsePassed
cleared sufficient / wrong denominationTrueFalseFailed
normal contractTrueTruePassed
cleared sufficientTrueTruePassed
deposit waivedTrueTruePassed
wrong auctionTrueTruePassed
expired depositTrueTruePassed
topup confirmedTrueTruePassed
chargeback consumes balanceTrueTruePassed
all lockedTrueTruePassed

SHA-256 / c66b92e3e3dfae9474e6b070c6a2d81d2b83dbceadfb7d215c72ec45272ebae4

3 / The verified repair

Exit 0
"""Failure Map reference implementation. Python standard library only."""
import json

N = 1
observations = []
def solve(x):
    v0 = x["cleared"]>=x["required"]
    v1 = max(0,x["cleared"]-x["restricted"])
    v2 = x["waiver"] or x["cleared"]>=x["required"]
    v3 = x["auction"]==x["deposit_auction"]
    v4 = x["currency"]==x["deposit_currency"]
    v5 = max(0,x["cleared"]-x["chargeback"])
    v6 = max(0,x["cleared"]-x["locked"])
    v7 = x["owner"]==x["beneficiary"] and x["owner"] in x["owners"]
    v8 = 0 if x["expired"] else x["cleared"]+(x["topup"] if x["confirmed"] else 0)
    v9 = min(x["refunded"],max(0,x["cleared"]-x["locked"]))
    return {'cleared-admission':v0,'restricted-tranche':v1,'deposit-waiver-admission':v2,'auction-scope':v3,'denomination-scope':v4,'chargeback-recovery':v5,'withdrawable-deposit':v6,'beneficial-owner':v7,'topup-posting':v8,'refund-available-ceiling':v9}
def check(label, actual, expected):
    observations.append({"check": label, "actual": actual, "expected": expected, "passed": actual == expected})
fixtures = [('wrong denomination', {'cleared': 20, 'pending': 15, 'restricted': 7, 'required': 25, 'waiver': False, 'auction': 'A', 'deposit_auction': 'A', 'currency': 'TOK', 'deposit_currency': 'ALT', 'chargeback': 3, 'locked': 6, 'owners': ['a', 'b'], 'owner': 'a', 'beneficiary': 'a', 'expired': False, 'topup': 8, 'confirmed': False, 'refunded': 4}, [False, False, False, False, False]), ('cleared sufficient / wrong denomination', {'cleared': 20, 'pending': 15, 'restricted': 7, 'required': 10, 'waiver': False, 'auction': 'A', 'deposit_auction': 'A', 'currency': 'TOK', 'deposit_currency': 'ALT', 'chargeback': 3, 'locked': 6, 'owners': ['a', 'b'], 'owner': 'a', 'beneficiary': 'a', 'expired': False, 'topup': 8, 'confirmed': False, 'refunded': 4}, [False, False, False, False, False]), ('normal contract', {'cleared': 20, 'pending': 15, 'restricted': 7, 'required': 25, 'waiver': False, 'auction': 'A', 'deposit_auction': 'A', 'currency': 'TOK', 'deposit_currency': 'TOK', 'chargeback': 3, 'locked': 6, 'owners': ['a', 'b'], 'owner': 'a', 'beneficiary': 'a', 'expired': False, 'topup': 8, 'confirmed': False, 'refunded': 4}, [True, True, True, True, True]), ('cleared sufficient', {'cleared': 20, 'pending': 15, 'restricted': 7, 'required': 10, 'waiver': False, 'auction': 'A', 'deposit_auction': 'A', 'currency': 'TOK', 'deposit_currency': 'TOK', 'chargeback': 3, 'locked': 6, 'owners': ['a', 'b'], 'owner': 'a', 'beneficiary': 'a', 'expired': False, 'topup': 8, 'confirmed': False, 'refunded': 4}, [True, True, True, True, True]), ('deposit waived', {'cleared': 20, 'pending': 15, 'restricted': 7, 'required': 25, 'waiver': True, 'auction': 'A', 'deposit_auction': 'A', 'currency': 'TOK', 'deposit_currency': 'TOK', 'chargeback': 3, 'locked': 6, 'owners': ['a', 'b'], 'owner': 'a', 'beneficiary': 'a', 'expired': False, 'topup': 8, 'confirmed': False, 'refunded': 4}, [True, True, True, True, True]), ('wrong auction', {'cleared': 20, 'pending': 15, 'restricted': 7, 'required': 25, 'waiver': False, 'auction': 'A', 'deposit_auction': 'B', 'currency': 'TOK', 'deposit_currency': 'TOK', 'chargeback': 3, 'locked': 6, 'owners': ['a', 'b'], 'owner': 'a', 'beneficiary': 'a', 'expired': False, 'topup': 8, 'confirmed': False, 'refunded': 4}, [True, True, True, True, True]), ('expired deposit', {'cleared': 20, 'pending': 15, 'restricted': 7, 'required': 25, 'waiver': False, 'auction': 'A', 'deposit_auction': 'A', 'currency': 'TOK', 'deposit_currency': 'TOK', 'chargeback': 3, 'locked': 6, 'owners': ['a', 'b'], 'owner': 'a', 'beneficiary': 'a', 'expired': True, 'topup': 8, 'confirmed': False, 'refunded': 4}, [True, True, True, True, True]), ('topup confirmed', {'cleared': 20, 'pending': 15, 'restricted': 7, 'required': 25, 'waiver': False, 'auction': 'A', 'deposit_auction': 'A', 'currency': 'TOK', 'deposit_currency': 'TOK', 'chargeback': 3, 'locked': 6, 'owners': ['a', 'b'], 'owner': 'a', 'beneficiary': 'a', 'expired': False, 'topup': 8, 'confirmed': True, 'refunded': 4}, [True, True, True, True, True]), ('chargeback consumes balance', {'cleared': 20, 'pending': 15, 'restricted': 7, 'required': 25, 'waiver': False, 'auction': 'A', 'deposit_auction': 'A', 'currency': 'TOK', 'deposit_currency': 'TOK', 'chargeback': 30, 'locked': 6, 'owners': ['a', 'b'], 'owner': 'a', 'beneficiary': 'a', 'expired': False, 'topup': 8, 'confirmed': False, 'refunded': 4}, [True, True, True, True, True]), ('all locked', {'cleared': 20, 'pending': 15, 'restricted': 7, 'required': 25, 'waiver': False, 'auction': 'A', 'deposit_auction': 'A', 'currency': 'TOK', 'deposit_currency': 'TOK', 'chargeback': 3, 'locked': 30, 'owners': ['a', 'b'], 'owner': 'a', 'beneficiary': 'a', 'expired': False, 'topup': 8, 'confirmed': False, 'refunded': 4}, [True, True, True, True, True])]
def vary(value):
 if type(value) is int: return value*N
 if isinstance(value,list): return [vary(v) for v in value]
 if isinstance(value,dict): return {k:(v if k in ['count', 'delivery_index', 'disputed', 'maximum_set', 'minimum_set', 'stage', 'threshold', 'waived'] else vary(v)) for k,v in value.items()}
 return value
for label, request, expected in fixtures:
 check(label, solve(vary(request))['denomination-scope'], expected[N-1])
print(json.dumps({"observations": observations, "passed": all(x["passed"] for x in observations)}, ensure_ascii=False))
raise SystemExit(0 if all(x["passed"] for x in observations) else 1)
Boundary fixtureActualExpectedOutcome
wrong denominationFalseFalsePassed
cleared sufficient / wrong denominationFalseFalsePassed
normal contractTrueTruePassed
cleared sufficientTrueTruePassed
deposit waivedTrueTruePassed
wrong auctionTrueTruePassed
expired depositTrueTruePassed
topup confirmedTrueTruePassed
chargeback consumes balanceTrueTruePassed
all lockedTrueTruePassed

SHA-256 / abee0361032648503862fd65c1f0bcb6a942b4a669b6d6ef9b60c685488c6585

Verification & scope

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.

Observations recorded using Python 3.12.14 at 2026-09-29T14:46:11.116166+00:00.

Case digest / 5f41f22ca713964805310bc5d854f9f2288d2c2bbefdae4cfabe0912546cb3a6