# Referral Model
path: `/referral ` 
this app is mainly for tracking referral by users and influencer  

## Models  

### Code model
instances are either auto-generated based per user, or created by admin from admin user  

### Redemption  
- a **foreign key** relation to Code model, indicating the referrer  
- a **one-to-one** relation to whom is being referred, null-able.
not all referral is subject to user. homepage transaction or successful link click can also be counted as referral  
each instance correspond to one referral.