Web based Point of Sale - PWA

Hello,
I am looking for -ready made- Web based Point of Sale - PWA that can be working as mobile app (web view) like the following but less features:

https://demo.wpos.app/wordpress/wp-content/plugins/woocommerce-openpos/pos/dashboard
Login: test / test123

Features:
- Connect with MySQL DB - I will provide the DB
- User can select category, sub category to see products inside the category
- Make normal POS transaction - select payment type
- Suspend sale and load it, load sales from third party sales (same way to load suspend sales)
- User can see list of his orders and can edit (load to POS) to refund
- User can see list of orders from third party app and can load it to POS to complete payment
- Simple Report
- As PWA it shoud work offline if no internet connection and sync when connection back
- Scan barcode by camera
- Print receipt
- POS color and logo will be provided.

* I want to see POS working demo, if you have no demo please do not bid.
* This is an urgent job and should be done in the following hours, if you are busy please do not bid.

Thanks