BA-099 — Enforce payout lifecycle and authorization

[MaryammAli]

• Type: Security
• Affected area: src/contracts/contracts.service.ts, payout controller
• BackendAcademy
• Summary: Payout creation and release need role, balance, duplicate, and terminal-state checks.
• Acceptance criteria: Only authorized actors can release payouts; completed or failed payouts cannot be released again; all actions are audited.

[Gabugo-tech]

@Gabugo-tech has applied to work on this issue as part of the Stellar Wave Program's 8th wave.

Please maintainer, can I take this please

I understands the codebase.

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[abdulqudus-dev]

@abdulqudus-dev has applied to work on this issue as part of the Stellar Wave Program's 8th wave.

Please assign me this issue

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[339mon]

@339mon has applied to work on this issue as part of the Stellar Wave Program's 8th wave.

Hi! I’d like to work on this and submit a quality solution. Could you assign it to me?

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[dollfins]

@dollfins has applied to work on this issue as part of the Stellar Wave Program's 8th wave.

I would like to help implement the payout lifecycle checks in src/contracts/contracts.service.ts. I plan to add the necessary validation logic to ensure that only authorized actors can release payouts and that terminal-state checks prevent the re-release of completed or failed transactions.

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

[Timrossid]

@Timrossid has applied to work on this issue as part of the Stellar Wave Program's 8th wave.

Hi maintainer, I’ve reviewed this issue and I would love to work on this. I am confident that I will be able to resolve it neatly.

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[drips-wave]

Congratulations, @Timrossid! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on August 31, 2026.

🧑‍💻 @Timrossid: 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.

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[grantfox-oss]

🎉 This issue has been marked as completed on GrantFox as part of the Third Campaign campaign!

@Timrossid's PR #739 was approved and merged by @MaryammAli.

🏆 @Timrossid: You earned 40 FoxPoints for this contribution! Your current tier: Builder (1,068 total points). Track your full progress on GrantFox.

👏 Great work, @Timrossid! Keep contributing to BlockDash-Studios.

[drips-wave]

This issue has been completed by @Timrossid as part of the Stellar Wave Program's 8th Wave 🥳

😎 @Timrossid: You earned 200 Points for completing this issue! After the current Wave ends, you'll be eligible for a percentage of the Wave's reward pool based on the percentage of total points you've earned. Learn more here. You can also Leave a review to share your experience working on this issue.

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