Badge Verification and Proof Service Setup

[Mkalbani]

Location: microservices/badge-verification-service
Labels: microservice, blockchain, verification, NESTJS
Estimated Time: 7 hours
Difficulty: Hard

Description

Create a badge verification service generating proofs of achievement with blockchain verification.

Tasks

• Initialize NestJS project in microservices/badge-verification-service
• Set up Proof, Verification, Chain entities
• Implement badge proof generation
• Add Merkle tree proof creation
• Create on-chain verification
• Implement revocation mechanism
• Add proof expiration
• Create verification API
• Implement shareable proof links
• Set up Docker configuration

Acceptance Criteria

• Proofs generated for badges
• On-chain verification works
• Revocation prevents fake claims
• Proofs shareable
• Verification accessible
• Service runs independently

[OmniZlatoon]

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

Good Day Maintainer, I have read through the project / Issue description and found the task very exciting and yet challenging. But I ensure you that I will exhibit a fine work and meet the issue goals✅

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

[dDevAhmed]

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

I’d like to work on this issue and plan to implement a clean, scalable solution aligned with Stellar Wave architecture. Happy to collaborate and ship within the expected timeline.

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

[drips-wave]

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

🧑‍💻 @dDevAhmed: 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 🌊

[drips-wave]

This issue has been completed by @dDevAhmed as part of the Stellar Wave Program's 5th Wave 🥳

😎 @dDevAhmed: 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.

🧑‍💻 Repo maintainers: How'd the contributor do? Leave a review to share your experience working with them.