Achieve 95% test coverage on campaign contract

[ayshadogo]

User Story:
As a developer, I want high test coverage so that untested code paths are minimized before mainnet deployment.
Acceptance Criteria:

• cargo tarpaulin or llvm-cov configured
• Coverage ≥ 95% line coverage
• Coverage report generated in CI
• Uncovered lines documented with justification

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[ComputerOracle]

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

ASSIGN ME THIS ISSUE OR PERISH

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

[Gogo-Eng]

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

I will love to work on this issue

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[khaylebfortune]

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

Hello Maintainer, I would like to work on this issue.

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

[TheDEV111]

@TheDEV111 has applied to work on this issue as part of the Stellar Wave Program's 5th wave.

Hi I'm available to work on this task before 12pm

ℹ️ Repo Maintainers: To accept this application, review their application or assign @TheDEV111 to this issue.

[BigBen-7]

I would love to work on this issue. I have experience building production ready applications and collaborating through GitHub workflows. I'll carefully analyze the current implementation, propose a reliable solution, and submit a well-tested PR. My focus is on clean code, maintainability, and timely delivery

[jessiE-bliz445]

@jessiE-bliz445 has applied to work on this issue as part of the Stellar Wave Program's 6th wave.

Hi maintainer please assign me this to help you out. I assure you

ℹ️ Repo Maintainers: To accept this application, review their application or assign @jessiE-bliz445 to this issue.

[dhareymu]

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

Hi maintainer, good day

Please, I would like to work on this issue. Kindly assign it to me.

Thank you

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

[nextgenuniversity1-oss]

@nextgenuniversity1-oss has applied to work on this issue as part of the Stellar Wave Program's 6th wave.

Hello maintainers,
I’m interested in taking up this issue. I have experience in Full-stackweb development. After reviewing the issue requirements, I believe I can implement a proper solution and follow the project guidelines.
Kindly assign the issue to me.
Thanks.

ℹ️ Repo Maintainers: To accept this application, review their application or assign @nextgenuniversity1-oss to this issue.

[memplethee-lab]

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

Hi Maintainer,

I’m a full-stack developer, and I’d like to contribute to the task. I’ll implement it carefully and efficiently thoroughly understand requirements and edge cases
Communicate promptly about suggestions or improvements. And I will provide regular progress updates and address blockers
Align with project goals through feedback and clarification.

Thank you,

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

[drips-wave]

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

🧑‍💻 @memplethee-lab: 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 🌊

[grantfox-oss]

🦊 GrantFox — @memplethee-lab has been assigned to this issue!

Next steps:

1. Open a Pull Request referencing this issue (e.g., Closes #257)
2. Your PR will be reviewed by the Dfunder maintainers

Good luck! Track your progress on GrantFox.