Feature: add a way to list allowed tokens

[yahia008]

Status: Open - unassigned
Labels: enhancement, api
Priority: Medium

Description:
Current storage supports membership checks only. Wallet and frontend flows need discoverability too.

Tasks:

• Add an indexed list of allowed tokens
• Keep it in sync with add/remove operations
• Add tests for ordering and deduplication

---

[lekanay2005-coder]

@lekanay2005-coder has applied to work on this issue as part of the Stellar Wave Program's 5th wave.

Hi

Please assign me this task. I’ll implement an indexed list for allowed tokens, keep it synchronized with add/remove operations, and add tests covering ordering, deduplication, and consistency.

ETA: 1–2 hours

ℹ️ Repo Maintainers: To accept this application, review their application or assign @lekanay2005-coder to this issue.

[Nemenwq]

@Nemenwq has applied to work on this issue as part of the Stellar Wave Program's 5th wave.

Hello maintainer, I have reviewed the task description and will like to work on this issue please. ETA: 6hours. Thank you

ℹ️ Repo Maintainers: To accept this application, review their application or assign @Nemenwq to this issue.

[ObaHacker]

@ObaHacker has applied to work on this issue as part of the Stellar Wave Program's 5th wave.

Good Morning Ser, I'm a seasoned and well-experienced senior developer. I want to take up this issue and solve it accurately.

Thank you as you grant my request.

ℹ️ Repo Maintainers: To accept this application, review their application or assign @ObaHacker to this issue.

[starkiVector-090]

@starkiVector-090 has applied to work on this issue as part of the Stellar Wave Program's 5th wave.

Hi maintainer, I would love to work on this issue

ℹ️ Repo Maintainers: To accept this application, review their application or assign @starkiVector-090 to this issue.

[drips-wave]

Congratulations, @starkiVector-090! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on June 2, 2026.

🧑‍💻 @starkiVector-090: Please resolve the issue such that the repo's maintainers have enough time to review your contribution before the due date. You'll earn Points for completing the issue on-time, which will make you eligible for a share of the Stellar Wave Program's reward pool.

Warning

When opening a PR, please link it to this issue to ensure it gets tracked accurately. Points are awarded when this issue is marked as completed by the maintainer.

🤠 Repo maintainers: Please keep an eye on the contributor's progress and review their work before the due date. You can manage this issue, including adjusting its complexity and points, here.

🌊 Happy Wave 🌊