The Transfer List hub tile read "0 items / Selling 0" while a card was actively
listed. Enumerating the /hub parser FUN_180139610 straight from the on-disk
CardsDLL (objdump) refutes the old ENDPOINT_MAP claim that it uses C++ reflection
with "no atom ladder, nothing to enumerate": it has an ordinary running-sum atom
ladder reading 18 atoms. The tile is fed by hub.tradePile (0x333), a nested object
(sub-deser 0x18013ead0) reading count/selling/sold as scalar ints -- the same
scheme as GetAuctionCount, so serving it in the hub body is freeze-safe. The tile
never re-polls the standalone /tradePile/counts, which is why fixing that endpoint
alone did not move the tile.
Also: the hub tile polls LOWERCASE tradepile/counts while the Transfer List screen
uses camelCase tradePile; our case-sensitive routes matched only the screen, so the
tile's counts call fell through to /trade and got a shape the counts deser skips.
Made the tradePile routes case-insensitive.
And bake the proven transfer-market flags (FUT_TRADING/PILESIZES/TRADEABLE/
DISCARD_TABLE/DISCARD_SEND) into openfut-fut.sh so a plain `start` brings up the
working state instead of regressing trading to greyed-out.
- tools/utas_server.py: hub_data() serves tradePile:{count,selling,sold};
tradePile routes now re.I
- tools/openfut-fut.sh: utas launched with the working flag set
- docs/ENDPOINT_MAP.md: full 18-atom hub map + tile map, correction of the
reflection claim
- tools/ghidra_queries/objdump_atom_ladder.py: the objdump-based atom-ladder
decoder used to derive the above
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Lrx9to3pihN6Sm9sXgc8np
OpenFUT
Offline Ultimate Team — like SPT, but for FIFA 23.
OpenFUT replaces EA's retired FUT servers with a fully offline, single-player backend. You own FIFA 23 legitimately. You just want to keep playing after EA shut down the servers.
Repositories
| Repo | Purpose |
|---|---|
openfut-core |
Game-independent offline FUT backend |
openfut-bridge |
FIFA 23 integration layer + reverse-engineering proxy |
Architecture
FIFA 23 client
│
▼
┌─────────────────┐
│ openfut-bridge │ ← intercepts FUT traffic, maps routes, logs unknown
└────────┬────────┘
│
▼
┌─────────────────┐
│ openfut-core │ ← offline FUT backend: profiles, packs, squads, SBCs
└─────────────────┘
│
▼
SQLite database
Core is game-independent. It speaks a clean REST API and knows nothing about FIFA 23 internals.
Bridge is FIFA-specific. It speaks FIFA 23's wire protocol and translates it into Core API calls. Bridge is where all reverse engineering work happens.
Current Status
| Feature | Status |
|---|---|
| Local profiles + clubs | ✅ Working |
| Coin system | ✅ Working |
| Pack generator | ✅ Working |
| Card collection | ✅ Working |
| Squad builder | ✅ Working |
| Objectives engine | ✅ Working |
| SBC engine | ✅ Working |
| Match rewards | ✅ Working |
| NPC transfer market | ✅ Working |
| Statistics | ✅ Working |
| FIFA 23 integration | 🔴 Reverse engineering in progress |
| Chemistry calculation | 🟡 In progress |
| Full Draft mode | 🟡 In progress |
| Squad Battles AI generator | 🟡 In progress |
| Objectives claim flow | 🟡 In progress |
Running
# Start the offline backend
cd openfut-core
cargo run
# Start the proxy (for traffic capture / FIFA integration)
cd openfut-bridge
cargo run
Core listens on http://127.0.0.1:8080 by default.
Bridge listens on http://127.0.0.1:8443 by default.
Design Principles
- Offline-first. No EA account required. No internet connection needed.
- Single-player only. This is not a multiplayer server emulator.
- Data-driven. All cards, packs, SBCs, and objectives are JSON files. Everything is moddable.
- Clean architecture. Core has zero knowledge of FIFA 23. Bridge has zero game logic.
- No copyrighted assets. No real player images, no EA trademarks in data files.
Disclaimer
This project is not affiliated with EA Sports. You must own FIFA 23 legitimately to use this software. This project does not bypass any ownership verification and is intended only to restore offline playability of a game whose online services have been retired.