Implement platform fee storage logic

[Akshola00]

Description

Store the value using StorageKey::PlatformFeeBps.

Testing Requirements

Test reading and writing the fee.

• 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

[abdulomeiza]

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

I am a Full Stack Developer specializing in Next.js,Python, TypeScript, Node.js,Rust, PostgreSQL,Oracle, JavaScript and DevOps Engineering. With over 50 contributions across projects in web3 and specifically stellar ecosystem, I’ve developed strong proficiency in delivering high-quality solutions and resolving complex issues within tight deadlines. My experience spans frontend, backend, smart contracts, and the optimization and maintenance of scalable codebases.
I can handle this task. Kindly assign.

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

[JayWebtech]

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

Hello, I want to work on this

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

[drips-wave]

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

🧑‍💻 @JayWebtech: 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 🌊