Develop Contract Upgrade and Governance Framework

[Nanle-code]

Files: New src/commands/upgrade.rs Priority: 🚀 Advanced Description: Implement a complete contract upgrade system supporting WASM deployment, upgrade governance, and backward compatibility management. Technical Requirements:

Contract upgrade transaction building
WASM hash validation and comparison
Governance proposal system
Rollback and recovery mechanisms Solution: Soroban contract upgrade patterns with governance References: Contract Upgrade Best Practices

[Manuelshub]

@Manuelshub has applied to work on this issue as part of the Stellar Wave Program's 4th wave.

Hello maintainer, I'd love to work on this issue, can I take a stab at it??

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

[drips-wave]

Congratulations, @Manuelshub! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on April 29, 2026.

🧑‍💻 @Manuelshub: 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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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.

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🌊 Happy Wave 🌊

[drips-wave]

This issue has been completed by @Manuelshub as part of the Stellar Wave Program's 4th Wave 🥳

😎 @Manuelshub: 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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