[SC-REG-028] Job Registry and Proposal Scaling Validation - Step 28

[soomtochukwu]

Implement Dynamic Bid Cancellation and Collateral Refund Flows

• Category: Smart Contract: Job Registry & Bidding
• Task ID: SC-REG-028

Description

This issue is dedicated to the technical design, implementation, and rigorous auditing of 'Implement Dynamic Bid Cancellation and Collateral Refund Flows' inside the Lance marketplace ecosystem, specifically focusing on the Smart Contract: Job Registry & Bidding component. As a Soroban smart contract task, the contributor must design robust instance or persistent storage allocations, ensure safe checked math operations, and write high-coverage unit tests within the Rust cargo test harness. The compiled WASM footprint must fit comfortably within standard block boundaries. Ensure that your implementation strictly adheres to the project's architectural guidelines, features self-documenting code with comprehensive inline annotations, and provides solid verification proofs. Any modifications to state variables must undergo strict validation before commits.

Requirements

• Scaffold and write the contract logic in contracts/job_registry/src/lib.rs for Implement Dynamic Bid Cancellation and Collateral Refund Flows.
• Compress heavy text strings into compact IPFS Content Identifiers (CIDs) before storing on-chain.
• Design clean mappings from Job IDs to dynamic bid structures utilizing map-like storage arrays.
• Implement strict ownership validation so that only the job creator can accept proposals.

Acceptance Criteria

• Contract successfully compiles and fits within the standard Soroban WASM size limits.
• Registry state transitions cleanly to 'Assigned' once a bid is successfully accepted.
• Out-of-bounds inputs or late bid submissions are gracefully blocked and return specific error codes.

[Opeyemi01-del]

@Opeyemi01-del has applied to work on this issue as part of the Stellar Wave Program's 5th wave.

I would love to work on this jssue

ℹ️ Repo Maintainers: To accept this application, review their application or assign @Opeyemi01-del to this issue.

[Benedict315]

@Benedict315 has applied to work on this issue as part of the Stellar Wave Program's 5th wave.

Hello please assign me to this issue

ℹ️ Repo Maintainers: To accept this application, review their application or assign @Benedict315 to this issue.

[drips-wave]

Congratulations, @Benedict315! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on June 2, 2026.

🧑‍💻 @Benedict315: 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.

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