Implement create_event input validation

[Akshola00]

Description

In lib.rs, validate that ticket_price > 0, max_attendees > 0, and deadline > current_time.

Testing Requirements

Write unit tests for each validation failure.

• Crucial: Ensure all standard GitHub CI checks pass before submitting your PR!

Links

• See contributor.md for guidelines.

[drips-wave]

This issue has been added to the Stellar Wave Program and is worth 150 Points.

🧑‍💻 Interested in contributing? Apply to work on this issue on Drips Wave, earn points, and receive rewards.

Warning

Only applications submitted via the apply link above will be considered. Please do not apply by commenting on the issue or opening a PR directly.

🤠 Repo maintainers: You can manage this issue's Points and Complexity on your Maintainer Dashboard here. Please keep an eye on applications and respond quickly 💙

ℹ️ Learn more about Drips Wave

[Muhammadcodes112]

@Muhammadcodes112 has applied to work on this issue as part of the Stellar Wave Program's 3rd wave.

I'd like to work on issue #187. I'll implement the input validation for create_event in lib.rs (ensuring ticket_price > 0, max_attendees > 0, and deadline > current_time) and add the required unit tests. I'll make sure all GitHub CI checks pass before submitting the PR. Thanks!

ℹ️ Repo Maintainers: To accept this application, review their application or assign @Muhammadcodes112 to this issue.

[drips-wave]

Congratulations, @Muhammadcodes112! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on March 30, 2026.

🧑‍💻 @Muhammadcodes112: 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 🌊