Prize Lottery and Raffle Contract

[Mkalbani]

Location: contracts/lottery
Labels: smart-contract, soroban, good first issue
Estimated Time: 7 hours
Difficulty: Medium

Description

Create a lottery/raffle system where players buy tickets with tokens for a chance to win NFTs and token prizes.

Tasks

• Design lottery round data structure
• Implement ticket purchase with token payment
• Create verifiable random number generation (VRF)
• Add winner selection algorithm
• Implement prize pool accumulation
• Create automatic round scheduling
• Add prize distribution to winners
• Write lottery flow tests
• Implement ticket refunds for cancelled rounds
• Add lottery history tracking

Acceptance Criteria

• Tickets purchased with tokens correctly
• Random selection fair and verifiable
• Winners selected accurately
• Prizes distributed automatically
• Round scheduling works
• Contract deployed to testnet

[drips-wave]

This issue has been added to the Stellar Wave Program and is worth 150 Points.

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[ussyalfaks]

@ussyalfaks has applied to work on this issue as part of the Stellar Wave Program's 1st wave.

I’d like to contribute to this issue by building the lottery smart contract on Soroban. I’m ready to implement ticket purchases with token payments, design the lottery round structure, integrate verifiable random number generation for fair winner selection, handle prize pool accumulation and distribution, support automatic round scheduling, enable refunds for cancelled rounds, track lottery history, and write comprehensive tests to ensure the contract is secure, fair, and ready for deployment on testnet.

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

[augustine00z]

@augustine00z has applied to work on this issue as part of the Stellar Wave Program's 1st wave.

Hi
I’d like to be assigned to this issue. I have experience building smart contract-based lottery systems, including token payments, VRF, and automated prize distribution.

ETA: 3–4 days to implement, test, and deploy to testnet.

Thanks!

ℹ️ Repo Maintainers: To accept this application, review their application or assign @augustine00z to this issue.

[nnennaokoye]

@nnennaokoye has applied to work on this issue as part of the Stellar Wave Program's 1st wave.

please assign this issue to me. I’ve worked on similar implementations before, i have contributed to this project as well, I can deliver it quickly.

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

[0xOlivanode]

@0xOlivanode has applied to work on this issue as part of the Stellar Wave Program's 1st wave.

Hello, I'd like to be assigned to work on this.

ℹ️ Repo Maintainers: To accept this application, review their application or assign @0xOlivanode to this issue.

[bigjoefilms]

@bigjoefilms has applied to work on this issue as part of the Stellar Wave Program's 1st wave.

I am a blockchain engineer with hands-on experience building smart contracts and decentralized applications, including token-based systems, on-chain logic, and Web3 integrations. I have worked with modern blockchain tooling and enjoy building secure, testable, and production-ready protocols.

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

[anonfedora]

@anonfedora has applied to work on this issue as part of the Stellar Wave Program's 1st wave.

I'm Anonfedora, I have vast experience in contributing and building on the Stellar ecosystem with the Rust using soroban's SDK.
I'm also good at comprehensively testing features.

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

[Samuel1505]

@Samuel1505 has applied to work on this issue as part of the Stellar Wave Program's 1st wave.

I would like to work on this issue, i'm a software developer with experience in Rust, Soroban. Kindly assign me.

ℹ️ Repo Maintainers: To accept this application, review their application or assign @Samuel1505 to this issue.

[drips-wave]

Congratulations, @0xOlivanode! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on January 31, 2026.

🧑‍💻 @0xOlivanode: 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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