I'm building an Odoo e-commerce website where customers can purchase items solely using virtual candies (similar to reward points but earned outside Odoo). They'll earn these candies through games or ads on a separate mobile app.

Here's what I'm aiming to achieve:

Virtual Candy System in Odoo:

• Create a custom reward program specifically for "Virtual Candies" to avoid confusion with the built-in system.
• Allow users to purchase items only using virtual candies, not real money.

I have figured out how to establish mobile app integration, having unified user login, etc. But I'm stuck at having the virtual Candies/Currency in Odoo.  What's the recommended approach for creating a custom reward program in Odoo for virtual candies?

I'm using self hosted Odoo Community Version 17, but I'm open to SAAS Enterprise edition in case its required to implement what I need.