FA-85996 / Game economy crafting balance / Open access
Auction house fees: Cancelling over a bid is free · case 01
Sellers cancel listings with bids without the bid penalty.
ROOT CAUSE
The cancellation branch omits the 5% bid penalty.
VERIFIED REPAIR
Restore `net = -deposit - outcome.get('bid', 0) * 5 // 100` at the cancellation penalty step.
Unsuccessful approach: Charging only the bid penalty refunds a forfeited deposit.
Case contract
Deposit = per_block * (hours//12) where per_block = max(1, floor(stack_value*15/100)). Sold: net = price - cut with cut = 5% of price rounded half up (deposit refunded). Expired: net = -deposit. Cancelled: net = -deposit - floor(bid*5/100) (bid defaults to 0). Returns {deposit, net} in copper.
Why this case matters
Game economies leak or destroy currency when one crafting or pricing rule is off by one boundary, rounding stage or state update; the defect is observable in exact integer outcomes.
1 / The failure
Exit 1"""Failure Map reference implementation. Python standard library only."""
import json
N = 1
observations = []
def solve(listing, outcome):
blocks = listing['hours'] // 12
per_block = max(1, listing['stack_value'] * 15 // 100)
deposit = per_block * blocks
status = outcome['status']
if status == 'sold':
cut = (listing['price'] * 5 + 50) // 100
net = listing['price'] - cut
elif status == 'cancelled':
net = -deposit
else:
net = -deposit
return {'deposit': deposit, 'net': net}
def check(label, actual, expected):
observations.append({"check": label, "actual": actual, "expected": expected, "passed": actual == expected})
cases = [[('cancel with bid #1',
[{'price': 500, 'hours': 24, 'stack_value': 40}, {'status': 'cancelled', 'bid': 390}],
{'deposit': 12, 'net': -31}),
('fault site cancellation penalty #1',
[{'price': 10, 'hours': 12, 'stack_value': 0}, {'status': 'cancelled', 'bid': 99}],
{'deposit': 1, 'net': -5}),
('regression cancellation penalty #1',
[{'price': 190, 'hours': 48, 'stack_value': 0}, {'status': 'cancelled', 'bid': 99}],
{'deposit': 4, 'net': -8}),
('partial repair boundary #1',
[{'price': 11, 'hours': 24, 'stack_value': 13}, {'status': 'cancelled', 'bid': 0}],
{'deposit': 2, 'net': -2}),
('partial repair boundary #2',
[{'price': 1, 'hours': 12, 'stack_value': 4743}, {'status': 'cancelled', 'bid': 0}],
{'deposit': 711, 'net': -711}),
('long cheap listing #1',
[{'price': 10, 'hours': 48, 'stack_value': 3}, {'status': 'expired'}],
{'deposit': 4, 'net': -4}),
('half-up cut boundary #1',
[{'price': 10, 'hours': 12, 'stack_value': 100}, {'status': 'sold'}],
{'deposit': 15, 'net': 9}),
('control #1',
[{'price': 10, 'hours': 48, 'stack_value': 0}, {'status': 'expired'}],
{'deposit': 4, 'net': -4})],
[('cancel with bid #1',
[{'price': 500, 'hours': 24, 'stack_value': 40}, {'status': 'cancelled', 'bid': 390}],
{'deposit': 12, 'net': -31}),
('regression cancellation penalty #1',
[{'price': 190, 'hours': 48, 'stack_value': 0}, {'status': 'cancelled', 'bid': 99}],
{'deposit': 4, 'net': -8}),
('fault site cancellation penalty #1',
[{'price': 10, 'hours': 12, 'stack_value': 13}, {'status': 'cancelled', 'bid': 99}],
{'deposit': 1, 'net': -5}),
('partial repair boundary #1',
[{'price': 1, 'hours': 12, 'stack_value': 4743}, {'status': 'cancelled', 'bid': 0}],
{'deposit': 711, 'net': -711}),
('partial repair boundary #2',
[{'price': 190, 'hours': 12, 'stack_value': 13}, {'status': 'cancelled'}],
{'deposit': 1, 'net': -1}),
('long cheap listing #1',
[{'price': 10, 'hours': 48, 'stack_value': 3}, {'status': 'expired'}],
{'deposit': 4, 'net': -4}),
('half-up cut boundary #1',
[{'price': 10, 'hours': 12, 'stack_value': 100}, {'status': 'sold'}],
{'deposit': 15, 'net': 9}),
('control #1',
[{'price': 10, 'hours': 48, 'stack_value': 0}, {'status': 'expired'}],
{'deposit': 4, 'net': -4})],
[('cancel with bid #1',
[{'price': 500, 'hours': 24, 'stack_value': 40}, {'status': 'cancelled', 'bid': 390}],
{'deposit': 12, 'net': -31}),
('regression cancellation penalty #1',
[{'price': 50, 'hours': 24, 'stack_value': 6}, {'status': 'cancelled', 'bid': 323}],
{'deposit': 2, 'net': -18}),
('regression cancellation penalty #2',
[{'price': 11, 'hours': 12, 'stack_value': 6}, {'status': 'cancelled', 'bid': 20}],
{'deposit': 1, 'net': -2}),
('partial repair boundary #1',
[{'price': 912, 'hours': 24, 'stack_value': 0}, {'status': 'cancelled'}],
{'deposit': 2, 'net': -2}),
('regression cancellation penalty #3',
[{'price': 190, 'hours': 48, 'stack_value': 0}, {'status': 'cancelled', 'bid': 99}],
{'deposit': 4, 'net': -8}),
('long cheap listing #1',
[{'price': 10, 'hours': 48, 'stack_value': 3}, {'status': 'expired'}],
{'deposit': 4, 'net': -4}),
('half-up cut boundary #1',
[{'price': 10, 'hours': 12, 'stack_value': 100}, {'status': 'sold'}],
{'deposit': 15, 'net': 9}),
('control #1',
[{'price': 10, 'hours': 48, 'stack_value': 0}, {'status': 'expired'}],
{'deposit': 4, 'net': -4})],
[('cancel with bid #1',
[{'price': 500, 'hours': 24, 'stack_value': 40}, {'status': 'cancelled', 'bid': 390}],
{'deposit': 12, 'net': -31}),
('regression cancellation penalty #1',
[{'price': 190, 'hours': 24, 'stack_value': 1}, {'status': 'cancelled', 'bid': 2339}],
{'deposit': 2, 'net': -118}),
('regression cancellation penalty #2',
[{'price': 1, 'hours': 24, 'stack_value': 6}, {'status': 'cancelled', 'bid': 99}],
{'deposit': 2, 'net': -6}),
('regression cancellation penalty #3',
[{'price': 50, 'hours': 24, 'stack_value': 6}, {'status': 'cancelled', 'bid': 323}],
{'deposit': 2, 'net': -18}),
('regression cancellation penalty #4',
[{'price': 11, 'hours': 12, 'stack_value': 6}, {'status': 'cancelled', 'bid': 20}],
{'deposit': 1, 'net': -2}),
('long cheap listing #1',
[{'price': 10, 'hours': 48, 'stack_value': 3}, {'status': 'expired'}],
{'deposit': 4, 'net': -4}),
('half-up cut boundary #1',
[{'price': 10, 'hours': 12, 'stack_value': 100}, {'status': 'sold'}],
{'deposit': 15, 'net': 9}),
('control #1',
[{'price': 50, 'hours': 24, 'stack_value': 6}, {'status': 'expired'}],
{'deposit': 2, 'net': -2})],
[('cancel with bid #1',
[{'price': 500, 'hours': 24, 'stack_value': 40}, {'status': 'cancelled', 'bid': 390}],
{'deposit': 12, 'net': -31}),
('fault site cancellation penalty #1',
[{'price': 1, 'hours': 12, 'stack_value': 1}, {'status': 'cancelled', 'bid': 99}],
{'deposit': 1, 'net': -5}),
('fault site cancellation penalty #2',
[{'price': 50, 'hours': 12, 'stack_value': 1}, {'status': 'cancelled', 'bid': 99}],
{'deposit': 1, 'net': -5}),
('partial repair boundary #1',
[{'price': 30, 'hours': 48, 'stack_value': 2507}, {'status': 'cancelled', 'bid': 19}],
{'deposit': 1504, 'net': -1504}),
('regression cancellation penalty #1',
[{'price': 190, 'hours': 24, 'stack_value': 1}, {'status': 'cancelled', 'bid': 2339}],
{'deposit': 2, 'net': -118}),
('long cheap listing #1',
[{'price': 10, 'hours': 48, 'stack_value': 3}, {'status': 'expired'}],
{'deposit': 4, 'net': -4}),
('half-up cut boundary #1',
[{'price': 10, 'hours': 12, 'stack_value': 100}, {'status': 'sold'}],
{'deposit': 15, 'net': 9}),
('control #1',
[{'price': 11, 'hours': 12, 'stack_value': 0}, {'status': 'expired'}],
{'deposit': 1, 'net': -1})]]
for label, args, expected in cases[N-1]:
check(label, solve(*args), expected)
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 fixture | Actual | Expected | Outcome |
|---|---|---|---|
| cancel with bid #1 | {'deposit': 12, 'net': -12} | {'deposit': 12, 'net': -31} | Failed |
| fault site cancellation penalty #1 | {'deposit': 1, 'net': -1} | {'deposit': 1, 'net': -5} | Failed |
| regression cancellation penalty #1 | {'deposit': 4, 'net': -4} | {'deposit': 4, 'net': -8} | Failed |
| partial repair boundary #1 | {'deposit': 2, 'net': -2} | {'deposit': 2, 'net': -2} | Passed |
| partial repair boundary #2 | {'deposit': 711, 'net': -711} | {'deposit': 711, 'net': -711} | Passed |
| long cheap listing #1 | {'deposit': 4, 'net': -4} | {'deposit': 4, 'net': -4} | Passed |
| half-up cut boundary #1 | {'deposit': 15, 'net': 9} | {'deposit': 15, 'net': 9} | Passed |
| control #1 | {'deposit': 4, 'net': -4} | {'deposit': 4, 'net': -4} | Passed |
SHA-256 / 8e537c6d5a76c15c32c4453a21ffde2c1674ad2d7e8f2f19ec42530a76d4bcf8
2 / The unsuccessful fix
Exit 1"""Failure Map reference implementation. Python standard library only."""
import json
N = 1
observations = []
def solve(listing, outcome):
blocks = listing['hours'] // 12
per_block = max(1, listing['stack_value'] * 15 // 100)
deposit = per_block * blocks
status = outcome['status']
if status == 'sold':
cut = (listing['price'] * 5 + 50) // 100
net = listing['price'] - cut
elif status == 'cancelled':
net = -outcome.get('bid', 0) * 5 // 100
else:
net = -deposit
return {'deposit': deposit, 'net': net}
def check(label, actual, expected):
observations.append({"check": label, "actual": actual, "expected": expected, "passed": actual == expected})
cases = [[('cancel with bid #1',
[{'price': 500, 'hours': 24, 'stack_value': 40}, {'status': 'cancelled', 'bid': 390}],
{'deposit': 12, 'net': -31}),
('fault site cancellation penalty #1',
[{'price': 10, 'hours': 12, 'stack_value': 0}, {'status': 'cancelled', 'bid': 99}],
{'deposit': 1, 'net': -5}),
('regression cancellation penalty #1',
[{'price': 190, 'hours': 48, 'stack_value': 0}, {'status': 'cancelled', 'bid': 99}],
{'deposit': 4, 'net': -8}),
('partial repair boundary #1',
[{'price': 11, 'hours': 24, 'stack_value': 13}, {'status': 'cancelled', 'bid': 0}],
{'deposit': 2, 'net': -2}),
('partial repair boundary #2',
[{'price': 1, 'hours': 12, 'stack_value': 4743}, {'status': 'cancelled', 'bid': 0}],
{'deposit': 711, 'net': -711}),
('long cheap listing #1',
[{'price': 10, 'hours': 48, 'stack_value': 3}, {'status': 'expired'}],
{'deposit': 4, 'net': -4}),
('half-up cut boundary #1',
[{'price': 10, 'hours': 12, 'stack_value': 100}, {'status': 'sold'}],
{'deposit': 15, 'net': 9}),
('control #1',
[{'price': 10, 'hours': 48, 'stack_value': 0}, {'status': 'expired'}],
{'deposit': 4, 'net': -4})],
[('cancel with bid #1',
[{'price': 500, 'hours': 24, 'stack_value': 40}, {'status': 'cancelled', 'bid': 390}],
{'deposit': 12, 'net': -31}),
('regression cancellation penalty #1',
[{'price': 190, 'hours': 48, 'stack_value': 0}, {'status': 'cancelled', 'bid': 99}],
{'deposit': 4, 'net': -8}),
('fault site cancellation penalty #1',
[{'price': 10, 'hours': 12, 'stack_value': 13}, {'status': 'cancelled', 'bid': 99}],
{'deposit': 1, 'net': -5}),
('partial repair boundary #1',
[{'price': 1, 'hours': 12, 'stack_value': 4743}, {'status': 'cancelled', 'bid': 0}],
{'deposit': 711, 'net': -711}),
('partial repair boundary #2',
[{'price': 190, 'hours': 12, 'stack_value': 13}, {'status': 'cancelled'}],
{'deposit': 1, 'net': -1}),
('long cheap listing #1',
[{'price': 10, 'hours': 48, 'stack_value': 3}, {'status': 'expired'}],
{'deposit': 4, 'net': -4}),
('half-up cut boundary #1',
[{'price': 10, 'hours': 12, 'stack_value': 100}, {'status': 'sold'}],
{'deposit': 15, 'net': 9}),
('control #1',
[{'price': 10, 'hours': 48, 'stack_value': 0}, {'status': 'expired'}],
{'deposit': 4, 'net': -4})],
[('cancel with bid #1',
[{'price': 500, 'hours': 24, 'stack_value': 40}, {'status': 'cancelled', 'bid': 390}],
{'deposit': 12, 'net': -31}),
('regression cancellation penalty #1',
[{'price': 50, 'hours': 24, 'stack_value': 6}, {'status': 'cancelled', 'bid': 323}],
{'deposit': 2, 'net': -18}),
('regression cancellation penalty #2',
[{'price': 11, 'hours': 12, 'stack_value': 6}, {'status': 'cancelled', 'bid': 20}],
{'deposit': 1, 'net': -2}),
('partial repair boundary #1',
[{'price': 912, 'hours': 24, 'stack_value': 0}, {'status': 'cancelled'}],
{'deposit': 2, 'net': -2}),
('regression cancellation penalty #3',
[{'price': 190, 'hours': 48, 'stack_value': 0}, {'status': 'cancelled', 'bid': 99}],
{'deposit': 4, 'net': -8}),
('long cheap listing #1',
[{'price': 10, 'hours': 48, 'stack_value': 3}, {'status': 'expired'}],
{'deposit': 4, 'net': -4}),
('half-up cut boundary #1',
[{'price': 10, 'hours': 12, 'stack_value': 100}, {'status': 'sold'}],
{'deposit': 15, 'net': 9}),
('control #1',
[{'price': 10, 'hours': 48, 'stack_value': 0}, {'status': 'expired'}],
{'deposit': 4, 'net': -4})],
[('cancel with bid #1',
[{'price': 500, 'hours': 24, 'stack_value': 40}, {'status': 'cancelled', 'bid': 390}],
{'deposit': 12, 'net': -31}),
('regression cancellation penalty #1',
[{'price': 190, 'hours': 24, 'stack_value': 1}, {'status': 'cancelled', 'bid': 2339}],
{'deposit': 2, 'net': -118}),
('regression cancellation penalty #2',
[{'price': 1, 'hours': 24, 'stack_value': 6}, {'status': 'cancelled', 'bid': 99}],
{'deposit': 2, 'net': -6}),
('regression cancellation penalty #3',
[{'price': 50, 'hours': 24, 'stack_value': 6}, {'status': 'cancelled', 'bid': 323}],
{'deposit': 2, 'net': -18}),
('regression cancellation penalty #4',
[{'price': 11, 'hours': 12, 'stack_value': 6}, {'status': 'cancelled', 'bid': 20}],
{'deposit': 1, 'net': -2}),
('long cheap listing #1',
[{'price': 10, 'hours': 48, 'stack_value': 3}, {'status': 'expired'}],
{'deposit': 4, 'net': -4}),
('half-up cut boundary #1',
[{'price': 10, 'hours': 12, 'stack_value': 100}, {'status': 'sold'}],
{'deposit': 15, 'net': 9}),
('control #1',
[{'price': 50, 'hours': 24, 'stack_value': 6}, {'status': 'expired'}],
{'deposit': 2, 'net': -2})],
[('cancel with bid #1',
[{'price': 500, 'hours': 24, 'stack_value': 40}, {'status': 'cancelled', 'bid': 390}],
{'deposit': 12, 'net': -31}),
('fault site cancellation penalty #1',
[{'price': 1, 'hours': 12, 'stack_value': 1}, {'status': 'cancelled', 'bid': 99}],
{'deposit': 1, 'net': -5}),
('fault site cancellation penalty #2',
[{'price': 50, 'hours': 12, 'stack_value': 1}, {'status': 'cancelled', 'bid': 99}],
{'deposit': 1, 'net': -5}),
('partial repair boundary #1',
[{'price': 30, 'hours': 48, 'stack_value': 2507}, {'status': 'cancelled', 'bid': 19}],
{'deposit': 1504, 'net': -1504}),
('regression cancellation penalty #1',
[{'price': 190, 'hours': 24, 'stack_value': 1}, {'status': 'cancelled', 'bid': 2339}],
{'deposit': 2, 'net': -118}),
('long cheap listing #1',
[{'price': 10, 'hours': 48, 'stack_value': 3}, {'status': 'expired'}],
{'deposit': 4, 'net': -4}),
('half-up cut boundary #1',
[{'price': 10, 'hours': 12, 'stack_value': 100}, {'status': 'sold'}],
{'deposit': 15, 'net': 9}),
('control #1',
[{'price': 11, 'hours': 12, 'stack_value': 0}, {'status': 'expired'}],
{'deposit': 1, 'net': -1})]]
for label, args, expected in cases[N-1]:
check(label, solve(*args), expected)
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 fixture | Actual | Expected | Outcome |
|---|---|---|---|
| cancel with bid #1 | {'deposit': 12, 'net': -20} | {'deposit': 12, 'net': -31} | Failed |
| fault site cancellation penalty #1 | {'deposit': 1, 'net': -5} | {'deposit': 1, 'net': -5} | Passed |
| regression cancellation penalty #1 | {'deposit': 4, 'net': -5} | {'deposit': 4, 'net': -8} | Failed |
| partial repair boundary #1 | {'deposit': 2, 'net': 0} | {'deposit': 2, 'net': -2} | Failed |
| partial repair boundary #2 | {'deposit': 711, 'net': 0} | {'deposit': 711, 'net': -711} | Failed |
| long cheap listing #1 | {'deposit': 4, 'net': -4} | {'deposit': 4, 'net': -4} | Passed |
| half-up cut boundary #1 | {'deposit': 15, 'net': 9} | {'deposit': 15, 'net': 9} | Passed |
| control #1 | {'deposit': 4, 'net': -4} | {'deposit': 4, 'net': -4} | Passed |
SHA-256 / a9fde151d10c3350fc278b65c0f8e15cd3aecc83cc6ab29ee7fe98c0468dd628
3 / The verified repair
Exit 0"""Failure Map reference implementation. Python standard library only."""
import json
N = 1
observations = []
def solve(listing, outcome):
blocks = listing['hours'] // 12
per_block = max(1, listing['stack_value'] * 15 // 100)
deposit = per_block * blocks
status = outcome['status']
if status == 'sold':
cut = (listing['price'] * 5 + 50) // 100
net = listing['price'] - cut
elif status == 'cancelled':
net = -deposit - outcome.get('bid', 0) * 5 // 100
else:
net = -deposit
return {'deposit': deposit, 'net': net}
def check(label, actual, expected):
observations.append({"check": label, "actual": actual, "expected": expected, "passed": actual == expected})
cases = [[('cancel with bid #1',
[{'price': 500, 'hours': 24, 'stack_value': 40}, {'status': 'cancelled', 'bid': 390}],
{'deposit': 12, 'net': -31}),
('fault site cancellation penalty #1',
[{'price': 10, 'hours': 12, 'stack_value': 0}, {'status': 'cancelled', 'bid': 99}],
{'deposit': 1, 'net': -5}),
('regression cancellation penalty #1',
[{'price': 190, 'hours': 48, 'stack_value': 0}, {'status': 'cancelled', 'bid': 99}],
{'deposit': 4, 'net': -8}),
('partial repair boundary #1',
[{'price': 11, 'hours': 24, 'stack_value': 13}, {'status': 'cancelled', 'bid': 0}],
{'deposit': 2, 'net': -2}),
('partial repair boundary #2',
[{'price': 1, 'hours': 12, 'stack_value': 4743}, {'status': 'cancelled', 'bid': 0}],
{'deposit': 711, 'net': -711}),
('long cheap listing #1',
[{'price': 10, 'hours': 48, 'stack_value': 3}, {'status': 'expired'}],
{'deposit': 4, 'net': -4}),
('half-up cut boundary #1',
[{'price': 10, 'hours': 12, 'stack_value': 100}, {'status': 'sold'}],
{'deposit': 15, 'net': 9}),
('control #1',
[{'price': 10, 'hours': 48, 'stack_value': 0}, {'status': 'expired'}],
{'deposit': 4, 'net': -4})],
[('cancel with bid #1',
[{'price': 500, 'hours': 24, 'stack_value': 40}, {'status': 'cancelled', 'bid': 390}],
{'deposit': 12, 'net': -31}),
('regression cancellation penalty #1',
[{'price': 190, 'hours': 48, 'stack_value': 0}, {'status': 'cancelled', 'bid': 99}],
{'deposit': 4, 'net': -8}),
('fault site cancellation penalty #1',
[{'price': 10, 'hours': 12, 'stack_value': 13}, {'status': 'cancelled', 'bid': 99}],
{'deposit': 1, 'net': -5}),
('partial repair boundary #1',
[{'price': 1, 'hours': 12, 'stack_value': 4743}, {'status': 'cancelled', 'bid': 0}],
{'deposit': 711, 'net': -711}),
('partial repair boundary #2',
[{'price': 190, 'hours': 12, 'stack_value': 13}, {'status': 'cancelled'}],
{'deposit': 1, 'net': -1}),
('long cheap listing #1',
[{'price': 10, 'hours': 48, 'stack_value': 3}, {'status': 'expired'}],
{'deposit': 4, 'net': -4}),
('half-up cut boundary #1',
[{'price': 10, 'hours': 12, 'stack_value': 100}, {'status': 'sold'}],
{'deposit': 15, 'net': 9}),
('control #1',
[{'price': 10, 'hours': 48, 'stack_value': 0}, {'status': 'expired'}],
{'deposit': 4, 'net': -4})],
[('cancel with bid #1',
[{'price': 500, 'hours': 24, 'stack_value': 40}, {'status': 'cancelled', 'bid': 390}],
{'deposit': 12, 'net': -31}),
('regression cancellation penalty #1',
[{'price': 50, 'hours': 24, 'stack_value': 6}, {'status': 'cancelled', 'bid': 323}],
{'deposit': 2, 'net': -18}),
('regression cancellation penalty #2',
[{'price': 11, 'hours': 12, 'stack_value': 6}, {'status': 'cancelled', 'bid': 20}],
{'deposit': 1, 'net': -2}),
('partial repair boundary #1',
[{'price': 912, 'hours': 24, 'stack_value': 0}, {'status': 'cancelled'}],
{'deposit': 2, 'net': -2}),
('regression cancellation penalty #3',
[{'price': 190, 'hours': 48, 'stack_value': 0}, {'status': 'cancelled', 'bid': 99}],
{'deposit': 4, 'net': -8}),
('long cheap listing #1',
[{'price': 10, 'hours': 48, 'stack_value': 3}, {'status': 'expired'}],
{'deposit': 4, 'net': -4}),
('half-up cut boundary #1',
[{'price': 10, 'hours': 12, 'stack_value': 100}, {'status': 'sold'}],
{'deposit': 15, 'net': 9}),
('control #1',
[{'price': 10, 'hours': 48, 'stack_value': 0}, {'status': 'expired'}],
{'deposit': 4, 'net': -4})],
[('cancel with bid #1',
[{'price': 500, 'hours': 24, 'stack_value': 40}, {'status': 'cancelled', 'bid': 390}],
{'deposit': 12, 'net': -31}),
('regression cancellation penalty #1',
[{'price': 190, 'hours': 24, 'stack_value': 1}, {'status': 'cancelled', 'bid': 2339}],
{'deposit': 2, 'net': -118}),
('regression cancellation penalty #2',
[{'price': 1, 'hours': 24, 'stack_value': 6}, {'status': 'cancelled', 'bid': 99}],
{'deposit': 2, 'net': -6}),
('regression cancellation penalty #3',
[{'price': 50, 'hours': 24, 'stack_value': 6}, {'status': 'cancelled', 'bid': 323}],
{'deposit': 2, 'net': -18}),
('regression cancellation penalty #4',
[{'price': 11, 'hours': 12, 'stack_value': 6}, {'status': 'cancelled', 'bid': 20}],
{'deposit': 1, 'net': -2}),
('long cheap listing #1',
[{'price': 10, 'hours': 48, 'stack_value': 3}, {'status': 'expired'}],
{'deposit': 4, 'net': -4}),
('half-up cut boundary #1',
[{'price': 10, 'hours': 12, 'stack_value': 100}, {'status': 'sold'}],
{'deposit': 15, 'net': 9}),
('control #1',
[{'price': 50, 'hours': 24, 'stack_value': 6}, {'status': 'expired'}],
{'deposit': 2, 'net': -2})],
[('cancel with bid #1',
[{'price': 500, 'hours': 24, 'stack_value': 40}, {'status': 'cancelled', 'bid': 390}],
{'deposit': 12, 'net': -31}),
('fault site cancellation penalty #1',
[{'price': 1, 'hours': 12, 'stack_value': 1}, {'status': 'cancelled', 'bid': 99}],
{'deposit': 1, 'net': -5}),
('fault site cancellation penalty #2',
[{'price': 50, 'hours': 12, 'stack_value': 1}, {'status': 'cancelled', 'bid': 99}],
{'deposit': 1, 'net': -5}),
('partial repair boundary #1',
[{'price': 30, 'hours': 48, 'stack_value': 2507}, {'status': 'cancelled', 'bid': 19}],
{'deposit': 1504, 'net': -1504}),
('regression cancellation penalty #1',
[{'price': 190, 'hours': 24, 'stack_value': 1}, {'status': 'cancelled', 'bid': 2339}],
{'deposit': 2, 'net': -118}),
('long cheap listing #1',
[{'price': 10, 'hours': 48, 'stack_value': 3}, {'status': 'expired'}],
{'deposit': 4, 'net': -4}),
('half-up cut boundary #1',
[{'price': 10, 'hours': 12, 'stack_value': 100}, {'status': 'sold'}],
{'deposit': 15, 'net': 9}),
('control #1',
[{'price': 11, 'hours': 12, 'stack_value': 0}, {'status': 'expired'}],
{'deposit': 1, 'net': -1})]]
for label, args, expected in cases[N-1]:
check(label, solve(*args), expected)
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 fixture | Actual | Expected | Outcome |
|---|---|---|---|
| cancel with bid #1 | {'deposit': 12, 'net': -31} | {'deposit': 12, 'net': -31} | Passed |
| fault site cancellation penalty #1 | {'deposit': 1, 'net': -5} | {'deposit': 1, 'net': -5} | Passed |
| regression cancellation penalty #1 | {'deposit': 4, 'net': -8} | {'deposit': 4, 'net': -8} | Passed |
| partial repair boundary #1 | {'deposit': 2, 'net': -2} | {'deposit': 2, 'net': -2} | Passed |
| partial repair boundary #2 | {'deposit': 711, 'net': -711} | {'deposit': 711, 'net': -711} | Passed |
| long cheap listing #1 | {'deposit': 4, 'net': -4} | {'deposit': 4, 'net': -4} | Passed |
| half-up cut boundary #1 | {'deposit': 15, 'net': 9} | {'deposit': 15, 'net': 9} | Passed |
| control #1 | {'deposit': 4, 'net': -4} | {'deposit': 4, 'net': -4} | Passed |
SHA-256 / 1ac3b0019f345265a3da22c88e72bfaf310ded296308bd5e24c8f7a309f83a4c
Verification & scope
Deterministic toy contract stipulated for this model; integer or exact arithmetic only, not a reproduction of any specific game engine. 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 2026-09-29T14:50:45.491480+00:00.
Case digest / 9e04c25f86168b1b781ce9472b23c1faef9313367b03b509577403ff7ef04381