Blockchain Integration Service

[hman38705]

Backend Issue #15:

Title: Create Blockchain Data Integration Service

Description:
Build a service to interact with Stellar blockchain and PredictIQ smart contracts for real-time data.

Requirements:

• Set up Stellar SDK integration
• Implement contract interaction methods:
  • Get market data
  • Get platform statistics
  • Query user bets
  • Get oracle results
• Implement RPC connection pooling
• Add retry logic for failed requests
• Implement event listening for contract events
• Cache blockchain data appropriately
• Handle network switching (testnet/mainnet)
• Implement transaction monitoring
• Add blockchain health checks
• Create data synchronization service
• Handle blockchain reorganizations

Acceptance Criteria:

• Contract interactions work
• Data retrieved accurately
• Event listening operational
• Caching reduces RPC calls
• Error handling robust

Technical Notes:
typescript
// Example service method
async getMarketData(marketId: string): Promise {
// Check cache first
// Query contract
// Transform and return data
}
[ ] git checkout -b features/issue-15-Blockchain Integration Service

• Pr Request create your pr against develop branch

Labels: backend, blockchain, integration, high-priority

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[Macnelson9]

@Macnelson9 has applied to work on this issue as part of the Stellar Wave Program's 2nd wave.

Hi team, I’d like to work on this issue.

I’m a Frontend Developer who thrives at the intersection of UI polish + product usability, and I’ve shipped responsive components/pages using Next.js/React + Tailwind (including interactions, animations, and pixel-accurate Figma builds).

What I’ll deliver

Blockchain integration service implemented to match the design/spec

Responsive behavior (mobile + desktop), no layout breakage

Hover/focus states + accessible semantics

Clean, reusable components and consistent styling

Approach

Review the design/spec and existing code patterns

Build the UI + interactions

QA on multiple breakpoints + open a PR with screenshots/video

If assigned, I’ll start immediately and share progress updates in the PR.

ℹ️ Repo Maintainers: To accept this application, review their application or assign @Macnelson9 to this issue.

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Congratulations, @Macnelson9! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on February 26, 2026.

🧑‍💻 @Macnelson9: 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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This issue has been completed by @Macnelson9 as part of the Stellar Wave Program's 2nd Wave 🥳

😎 @Macnelson9: 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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