Add transaction simulation cache for common pool operations

[Smartdevs17]

Context

Optimize add transaction simulation cache for common pool operations for better platform performance.

Current Limitation

This functionality is currently missing or needs improvement.

Expected Outcome

• Production-ready implementation
• Comprehensive test coverage
• Documentation and examples
• Performance benchmarks where applicable

Acceptance Criteria

• Feature implemented with full functionality
• Unit tests added with >80% coverage
• Integration tests for critical paths
• No regression introduced
• Documentation updated
• Code review approved
• Performance benchmarks met

Technical Scope

api/src/services/stellar.service.ts, api/src/services/redisCache.service.ts

Labels

• drips-wave
• high
• 200-points

[daRk8238]

@daRk8238 has applied to work on this issue as part of the Stellar Wave Program's 8th wave.

Hello
I can work on this issue
Kindly assign it to me
Thank you

ℹ️ Repo Maintainers: To accept this application, review their application or assign @daRk8238 to this issue.

[drips-wave]

Congratulations, @daRk8238! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on August 31, 2026.

🧑‍💻 @daRk8238: 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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