Lld
Low-Level Design
Medium
E-commerce Checkout Process
Create a design for an E-commerce Checkout Process that includes adding items to a cart, calculating totals, applying discounts, and processing payments. The system should handle various payment methods and statuses, as well as user authentication. Discuss how the design accommodates changes like new payment methods or promotional offers in the future.
Key concepts
sequence diagramsstate managementclean architecture
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