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Refactor Stellar Horizon service layer for robust error handling and timeout management #683
Description
Description — what to implement and the why/impact.
Interactions with Stellar Horizon can occasionally encounter network timeouts, rate limits, or ledger submission failures. This task refactors the Horizon service wrapper to handle network exceptions gracefully, implement retries for transient errors, and provide clear diagnostics for downstream callers.
Context & Requirements — background, constraints, design references, edge cases; grounded in the actual repo (real files, stack, conventions).
All Horizon I/O must remain isolated inside src/services/ as specified in the contributing guidelines. The refactor should wrap Stellar SDK calls with robust error categorization (e.g. timeout, bad request, insufficient balance).
Acceptance Criteria — a checklist ("- [ ] ...") of specific, testable conditions that define "done".
- Wrap Stellar Horizon calls in
src/services/with standardized error handling and retry logic. - Categorize Stellar error responses into actionable application errors.
- Ensure logging captures relevant Horizon request context using Pino.
- Add unit tests mocking Horizon responses for success, timeout, and transaction failure scenarios.
Implementation Guidance — likely files/modules to touch (use real paths from the repo context) and a suggested approach, without over-prescribing.
Inspect src/services/ for existing Stellar client initialization and transaction submission logic. Ensure strict TypeScript types are maintained.
Testing & Validation — how the contributor should prove it works (tests to add/run, manual checks, screenshots for UI).
Run npm test to execute vitest and verify all service unit tests pass successfully.
Submission Guidelines — must open a PR that includes "Closes #"; assignment is required before starting; follow the repo's existing style and conventions.
Wave complexity: Medium
Activity
guptakumarranjeet150 commentedon Sep 26, 2026
Hi there,
I would love to take this on. My planned approach:
Refactor Stellar Horizon service layer for robust error handling and timeout managementwith strict schema validation and idempotent execution.Excited to work on this—please assign to me and I will submit a clean PR shortly!
guptakumarranjeet150 commentedon Sep 27, 2026
Hey maintainers,
I would love to take this on. My planned approach:
Refactor Stellar Horizon service layer for robust error handling and timeout managementwith strict schema validation and idempotent execution.Excited to work on this—please assign to me and I will submit a clean PR shortly!
olacodes-01 commentedon Oct 18, 2026
@olacodes-01 has applied to work on this issue as part of the Stellar Wave Program's 10th wave.
ℹ️ Repo Maintainers: To accept this application, review their application or assign @olacodes-01 to this issue.
Hikmaholadele commentedon Oct 18, 2026
@Hikmaholadele has applied to work on this issue as part of the Stellar Wave Program's 10th wave.
ℹ️ Repo Maintainers: To accept this application, review their application or assign @Hikmaholadele to this issue.
drips-wave commentedon Oct 18, 2026
Congratulations, @Hikmaholadele! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on October 22, 2026.
🧑💻 @Hikmaholadele: 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
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grantfox-oss commentedon Oct 19, 2026
🎉 This issue has been marked as completed on GrantFox!
@Hikmaholadele's PR #854 was approved and merged by @Cjay-Cyber-2.
🏆 @Hikmaholadele: You earned 35 FoxPoints for this contribution! Your current tier: Explorer (748 total points). Track your full progress on GrantFox.
👏 Great work, @Hikmaholadele! Keep contributing to mergepay.
drips-wave commentedon Oct 19, 2026
This issue has been completed by @Hikmaholadele as part of the Stellar Wave Program's 10th Wave 🥳
😎 @Hikmaholadele: You earned 200 Points for completing this issue! Once the Wave's rewards are finalized, 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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