Skip to content
Copper Lane Payments Read-only example
Process

Payment service

Owns logical operations and recorded state

Use cases

  • Pay for the €100 lamp 2 steps

    The service records, submits and resolves one logical payment. · Checkout reads what is known; a missing answer remains visibly unknown.

  • Refund the unavailable lamp 2 steps

    Support checks the confirmed payment and its existing refund history. · Support requests a separate refund; the service records its request and compatible processor confirmation.

Map ViewDocument ViewMira · customer ActorMerchant support ActorCheckout ProcessConfirmation handler ComponentPayment records Data storePayment service ProcessFictional processor External systemCopper Lane Payments BoundaryPay for the €100 lamp use caseRefund the unavailable lamp use caseProcessor confirmation EntityOrder reference EntityPayment EntityRefund EntityPayment state · illustrative PostgreSQL design Database designOpen my projects Page