[Contract] Smart Contract Pause and Emergency Circuit Breaker

[ayomideadeniran]

[Contract] Smart Contract Pause and Emergency Circuit Breaker

🚀 Feature Overview

Build a global circuit breaker module that allows elected admins to instantly freeze all state-mutating functions across the protocol in the event of a discovered exploit.

This is a complex, MVP-critical feature designed to elevate the smart contract architecture and expand the educational modules of the Web3 Student Lab platform.

🛠️ Implementation Requirements

• Implement a Pausable state machine.\n- Apply the whenNotPaused modifier to all critical functions.\n- Create an un-pause mechanism that requires a multi-sig approval.

🔧 Technical Specifications

• Language/Environment: Rust / Soroban (or Solidity if specifically bridging).
• Adherence to strict architectural boundaries and gas optimization.
• High test coverage requirements (>90% unit testing in Rust).
• Prevent common vectors: Reentrancy, Integer Overflow/Underflow, and Oracle Manipulation.

✅ Acceptance Criteria

• Contract implemented according to requirements.
• Comprehensive unit and integration tests passing.
• Security review completed (no critical vulnerabilities).
• Comprehensive documentation written using NatSpec/Rustdoc.

🎓 Difficulty Level

Advanced - Requires deep understanding of Web3 security, cryptography, and smart contract design patterns.

⏱️ Timeline

ETA: 3-5 days

🏷️ Labels

contract, security, mvp-critical

---

Note to Contributors: Break down work into smaller PRs for easier review, focusing on core logic first before adding complex modifiers.

[Belzabeem]

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

I would implement a Pausable state machine in Rust/Soroban with whenNotPaused guards on all critical functions and a multi-sig un-pause mechanism, hardening against reentrancy, integer overflow, and oracle manipulation. I'll deliver comprehensive unit and integration tests exceeding 90% coverage alongside full Rustdoc documentation, with the work broken into focused PRs starting with core pause logic before layering in the multi-sig approval flow.Sonnet 4.6

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

[Creed1759]

@Creed1759 has applied to work on this issue as part of the Stellar Wave Program's 5th wave.

I'm a software dev, may I take on this issue if it's still available?

ℹ️ Repo Maintainers: To accept this application, review their application or assign @Creed1759 to this issue.

[drips-wave]

Congratulations, @Creed1759! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on June 2, 2026.

🧑‍💻 @Creed1759: 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 🌊

[drips-wave]

This issue has been completed by @Creed1759 as part of the Stellar Wave Program's 5th Wave 🥳

😎 @Creed1759: 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.

🧑‍💻 Repo maintainers: How'd the contributor do? Leave a review to share your experience working with them.