49b18dd4ac6d530c14d60bbfa90ba03959a630b4
2 Commits
| Author | SHA1 | Message | Date | |
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 funman300
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49b18dd4ac |
fifa17: price quick-sell from the client's own discard table
Quick-sell paid an invented five-tier rating ladder (its own comment said "PLACEHOLDER, not EA-authentic"). It was blind to card type and rareflag, so a 94-rated TOTW special and a 94-rated gold common both sold for 1500, and every non-player -- whose Core overall is 0 -- sold for the flat 150 floor. The ladder existed in three places (adapter wire, host payout, an integration test's private copy), which is a drift waiting to happen. Add openfut-adapter-fifa17::fut::discard: the client's own fcc_discardcoins table and its formula, round_half_up(rating * price / 100), keyed (cardtype, level, rare). All of it is already reversed in plan-2026-08-05-store-subsystem.md 3.6 and was verified there against 22 live club items, 22 of 22 exact. DISCARD_COINS is generated from fifa17-recon/data/tables/fcc_discardcoins.json and a test re-reads that file and asserts row-for-row agreement, so the transcription cannot drift. Collapse the three ladders into one method. ItemIdentityResolver::discard_value both stamps the wire discardValue and prices the sale, because a non-zero discardValue suppresses the client's local computation -- whatever is sent is what the player is promised. The host's quick_sell_value is deleted and the integration test's copy now calls the single implementation. A test with a resolver double returning an impossible price proves the credit follows the wire; reverting the payout to a ladder fails it. Gated on OPENFUT_FIFA17_DISCARD_TABLE=1, default off: switching revalues the real 1991-item club 10.5x (1,820,400 -> 19,128,955 coins if wholly liquidated), up for specials and DOWN for consumables, which the ladder overpaid 5.5x. That is an operator's decision. Staff decline to the ladder rather than pay 0: the client re-rates cardtypes 2/3/4/5/10 from its own DB and their rating is not imported. Deliberately not guessed -- see the falsifier in the doc. Verified on staging with the real club, both modes: flag off 1500 wire / 1500 paid; flag on 23760 wire / 23760 paid on an r99 rareflag-11 card (99*24000/100). Consumables price from their catalog rating and agree with the client's own computation. Adapter 244 lib tests, host 121 lib + 45 host_test, fmt and clippy clean. |
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funman300
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21a81ad63c |
fifa17-recon: the real quick-sell table, and the grouping bug is not in our layer
Multi-agent pass over the store subsystem, 11 agents, findings run through three
adversarial verifiers. Full writeup in docs/plan-2026-08-05-store-subsystem.md.
THE REAL DISCARD TABLE IS RECOVERED. quick_sell() paid an invented rating tier
(600/300/150/50) that was wrong for every single card. The real table is
fcc_discardcoins in the client's own game DB, 141 rows keyed (cardtype, level, rare),
read out of the running client and verified 22/22 against live items:
value = round_half_up(rating * price / 100)
level = 3 if rating >= 75, 2 if 65..74, else 1 (0x180141e8a..0x180141ea3,
derived from rating, NOT a wire field)
cardtype = FUN_1800d8330(cardsubtypeid), decoded from its jump table and checked
across every subtype 0..599 with zero disagreements
A 94-rated gold rare is 752, not 600. A 76 rare is 608, not 150. A 55 bronze is 17,
not 50.
This also closes a disagreement nobody had noticed: the CLIENT already computes and
displays the correct value locally whenever our discardValue (atom 0xd7) is 0 or
absent. FUN_18013fe00 stores our value at item +0x38 and the guard at 0x180141025
skips the local computation when it is non-zero. So the screen has been showing the
real number while the server paid a made-up one, on every quick sell ever made.
Verified beyond what the report claimed, because a missing table row pays ZERO and
that would be a regression the old flat tier could not produce: across all 236 items
in the live profile, 230 map to cardtype 1 and 6 to cardtype 6, and NOT ONE would pay
0 coins. Table reproduces at 141 rows and the worked example lands exactly.
ZERO WIRE CHANGE, FUT_DISCARD_TABLE default off. Nothing new is sent; only the coin
figure the server credits moves. This is the patch worth defaulting on after one
in-game check, which is simply quick-selling a card and seeing the coins paid match
the value the card was already displaying.
THE GROUPING BUG IS NOT IN CARDSDLL, and the fix ranked first would have wasted a
launch. Live in the running client all three display groups own exactly the right
pack, there is exactly one copy of each pack record in 4 GiB, and nothing we send is
mis-parsed. The parsed model is correct and the Scaleform layer picks the wrong pack
when turning a tile click into a category id. displayGroupAssetId is served as 1/5/6
while the screen's category field reads 3, and group tiles carry a hardcoded
CATEGORY_ID of 0. Confirmed by direct read: ordinal 3, assetId 6, i.e. Premium, while
the last click was Gold.
The heap map that made this possible, all scoped to one pid: display-group vector
control block, 3 elements of 0x108; group record fields at +0x00 sortPriority,
+0x04 displayGroupAssetId, +0x40 a one-element pack vector; inner pack record 0x1a8
with packType at +0x38, ids at +0x70/+0xac, price at +0xa0, quantities at +0xc0..+0xd0.
extPrice SHOULD BE DELETED, not corrected. Both sub-parsers read only
externalPriceId; amount and currency are discarded. Sending the key at all creates an
"mtx" currency row that switches on a real-money price line the client can never fill
offline, which is the literal "or %1s" on every tile.
A WORRY NOBODY HAD RAISED, and I confirmed it from our own logs: the client has sent
packId 6 on every purchase it has ever made, four for four tonight and six for six
across history. We have never observed a successful buy of anything but Premium Gold.
Also settled: FUT_STORE_DISPLAYGROUP=0 is the right resting state, argued from
mechanism rather than from history; FUT_USERINFO=packs stays off because the
unopened-pack counter is client-mutable and the flag ladder silently drops squadList;
POST /user is a latent hard freeze that has never fired because the client never
issues that POST.
Honest coverage: the ActionScript layer is unread by everyone and every remaining
store mystery lives there.
Live: 439 contract checks pass, market suite passes, both flags off.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
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