[Feature]: Freighter Wallet Integration

[SudiptaPaul-31]

🔍 Problem Statement

Description
Integrate Freighter Wallet authentication to enable secure wallet-based login and transaction signing for Stellar network interactions.

Features

• Connect wallet (prompt user to authorize via Freighter)
• Disconnect wallet (clear session and wallet state)
• Network detection (testnet vs. mainnet)
• Wallet address retrieval for authenticated user

Tasks

• Implement connect/disconnect logic using Freighter SDK
• Detect active network and handle switching gracefully
• Retrieve and persist wallet address in session/store
• Add error handling for rejected connections or unsupported networks
• Provide UI feedback (connected state, error messages)

Acceptance Criteria

• Works seamlessly on Stellar Testnet
• Proper error handling for failed or rejected connections
• Wallet address retrieved and displayed correctly
• Network detection works and prevents mismatched transactions
• Reusable integration for future wallet-based features
• Unit tests included for connection, disconnection, and error handling

📈 Expected Impact

High — Would significantly improve user experience

[patopatrish]

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

Hello maintainer, i would like to work on this issue.

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

[deslawson]

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

Id love to work on this issue

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

[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.

[dedukpe]

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

Please can you assign this to me
Thank you

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

[drips-wave]

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

🧑‍💻 @patopatrish: 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 🌊