Implement Soroban Contract ABI Version Compatibility Validation Layer

[temma02]

Description

Build a validation layer that checks Soroban contract ABI version compatibility before deployment, preventing deployments of templates whose contract ABI is incompatible with the target network's supported version.

Requirements and Context

• Security: Incompatible ABIs must be rejected before deployment
• Testing: Test compatible and incompatible ABI version scenarios
• Documentation: Document supported ABI versions

Suggested Execution

Branch: feat/issue-076-soroban-abi-version-validation

Implement Changes

• Add ABI version detection to packages/stellar/src/soroban.ts
• Validate the contract ABI version against the network's supported range
• Reject incompatible ABIs with a typed error before deployment
• Surface a clear compatibility error to the user

Test and Commit

• Test acceptance of compatible ABI versions
• Test rejection of incompatible ABI versions
• Document supported ABI version ranges

Example Commit Message

feat(soroban): implement ABI version compatibility validation layer

- Add ABI version detection to soroban module
- Validate against network-supported version range
- Reject incompatible ABIs with typed errors

Guidelines

• Reference the official Soroban ABI version specification
• Keep supported version ranges configurable
• Surface clear, actionable compatibility errors

[hman38705]

@hman38705 has applied to work on this issue as part of the Stellar Wave Program's 5th wave.

I WOULD LOVE TO WORK ON THIS TASK ALONG SIDE YOU SIR.

ℹ️ Repo Maintainers: To accept this application, review their application or assign @hman38705 to this issue.

[drips-wave]

Congratulations, @hman38705! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on June 2, 2026.

🧑‍💻 @hman38705: 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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