Implement Store Donation Endpoint

[ayshadogo]

Description:
Create endpoint to record on-chain donations in database.

Tasks:

• Create POST /donations endpoint
• Create CreateDonationDto with validation
• Validate transaction hash format
• Check for duplicate transactions
• Verify transaction on Stellar blockchain
• Store donation details
• Update project funds_raised
• Send confirmation to donor

Acceptance Criteria:

• Validates transaction on blockchain
• Prevents duplicate entries
• Updates project total atomically
• Returns 201 with donation details

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[drips-wave]

This issue has been added to the Stellar Wave Program and is worth 200 Points.

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[AbdulSnk]

@AbdulSnk has applied to work on this issue as part of the Stellar Wave Program's 3rd wave.

Hi, I’d like to take this issue.

I plan to implement a POST /donations endpoint to record on-chain donations in the database.

Approach:

• Create CreateDonationDto with proper validation
• Validate transaction hash format and prevent duplicates
• Verify transactions on the Stellar blockchain
• Store donation details securely
• Return clear success/error responses

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

[drips-wave]

Congratulations, @AbdulSnk! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on March 30, 2026.

🧑‍💻 @AbdulSnk: 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.

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