[Feature]: Stellar Transaction History Integration

[SudiptaPaul-31]

🔍 Problem Statement

Description
Fetch and display Stellar transactions associated with contracts to provide transparency and traceability for clients and freelancers.

Features

• Transaction hash (unique identifier)
• Timestamp (block time of transaction)
• Amount (asset type and value)
• Status (successful, failed, pending)
• Paginated results for large transaction sets
• Support for Stellar Testnet

Tasks

• Implement backend service to fetch transactions from Horizon API
• Map transactions to associated contracts in database
• Build API endpoint to return transaction history with pagination
• Ensure Testnet support for development and testing
• Add error handling for failed Horizon queries
• Provide UI-ready response schema (hash, timestamp, amount, status)

Acceptance Criteria

• Transaction history fetches correctly for contracts
• Results are paginated and performant
• Testnet transactions supported and displayed accurately
• Status field reflects actual transaction state from Stellar network
• Clear error messages for failed fetch attempts
• Unit tests pass for backend logic and API responses

📈 Expected Impact

High — Would significantly improve user experience

[onajidavid87-web]

@onajidavid87-web has applied to work on this issue as part of the Stellar Wave Program's 6th wave.

Hello Maintainer, I’d love to work on this issue

ℹ️ Repo Maintainers: To accept this application, review their application or assign @onajidavid87-web to this issue.

[dhareymu]

@dhareymu has applied to work on this issue as part of the Stellar Wave Program's 6th wave.

Hi maintainer,

Please, I would love to work on this project to fix the issues for you. I promise to work on it swiftly and create a PR for it in no time.

I look forward to working with you. Thank you.

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

[AbuJulaybeeb]

@AbuJulaybeeb has applied to work on this issue as part of the Stellar Wave Program's 6th wave.

Hi Maintainer, haven reviewed the description of the issue, and well experienced with Js Library,
I would like to hop on the issue and sure to deliver at ETA 2hrs

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

[sadiqabubakar826-del]

@sadiqabubakar826-del has applied to work on this issue as part of the Stellar Wave Program's 6th wave.

Hi maintainer am active to resolve this issue, have gone through it and will carry out the task perfectly and diligently
Kindly assign this to me thanks

ℹ️ Repo Maintainers: To accept this application, review their application or assign @sadiqabubakar826-del to this issue.

[nonchalanttee22-lgtm]

@nonchalanttee22-lgtm has applied to work on this issue as part of the Stellar Wave Program's 6th wave.

hello maintainer may i work on this issue?
ill submit PR within 1-3 days

ℹ️ Repo Maintainers: To accept this application, review their application or assign @nonchalanttee22-lgtm to this issue.

[veemakama]

@veemakama has applied to work on this issue as part of the Stellar Wave Program's 6th wave.

Hi maintainer, I would love to work on this

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

[drips-wave]

Congratulations, @nonchalanttee22-lgtm! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on June 30, 2026.

🧑‍💻 @nonchalanttee22-lgtm: 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.

🤠 Repo maintainers: Please keep an eye on the contributor's progress and review their work before the due date. You can manage this issue, including adjusting its complexity and points, here.

🌊 Happy Wave 🌊