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OpenFUT/fifa17-recon/docs
funman300 f488793b34 fifa17-recon: RETRACT the FutMoveCard "no skip handler" claim; stage the ack shape
RETRACTION. This repo claimed, in REBUILD_RESEARCH S14c and in utas_server's
item_route comment, that FutMoveCard 0x180128600 "HAS NO SKIP HANDLER
(FUN_180135ff0 appears zero times, unique among FUT deserializers)" and "parses
only itemData -> dreamSquads". Every part of that is false. Full decompile:

  FUN_180135ff0 call sites : 2   (offsets 5006, 6080)
  atoms parsed             : 7   active dreamSquads id itemData pile reason success

Cause: the decompile was written out as src[:4000] and then searched. The function
is 6193 chars, so BOTH skip-handler call sites and four of the seven atoms lay past
the cut. An absence was reported from a truncated listing -- the same failure mode
as the Memory.getBytes bytearray scan that silently returned zero hits. Never
conclude an absence without asserting the searched region covers the function.

Cost: the false claim implied "any extra key desyncs this parser", which sent the
investigation after client-side state for seven attempts, and the derived premise
"the deciding factor is client-side state, not the wire" was wrong too.

VERIFIED SHAPE. PUT ut/%s/item is not an ack endpoint; it returns per-item VERDICT
records:
  id(0x15c)      INT     0x1801c79d0  -> record+0x00
  pile(0x226)    STRING  0x1801c7aa0  -> enum 0x180142650 (club=7 purchased=6 trade=5)
  success(0x2fa) BOOL    0x1801c7620  -> record+0x0c
  reason(0x279)  STRING               -> "Destination Full" = 0xf
  dreamSquads(0xe9) INT array;  else  -> FUN_180135ff0 (skip)

The completion handler raises EVENT_CARDS_MOVE_CARD_FAILURE when the record vector
is EMPTY or record+0x0c != 1, and success is initialised to '\0' per element. So
every body ever returned reported the move as FAILED, {} included. Quick sell
survives an identical {} because its callbacks read only the transport code and
ignore the body -- that is the whole asymmetry, and it was on the wire after all.

STAGED, NOT DEFAULTED. FUT_MOVE_BODY=ack emits the correct shape; the default stays
`empty` because sufficiency is untested. One launch settles it.

The ack is answered BEFORE the `if moved:` gate: under FUT_PACK_AUTOCLUB=1 the
cards are already in the club when the reveal asks to move them, so move_items()
returns nothing and a moved-derived body would be zero-record -- failing in exactly
the configuration ack exists to fix. Caught in review before it ran. success is
asserted only for ids that were moved now or are already in the club; anything else
gets an honest success:false rather than an invented verdict.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01VUT92pz6RWKih9dSr8ZpxW
2026-08-04 11:05:38 -07:00
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