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Copper Lane Payments Read-only example
Merchant payments4 Logical payment One business payment operation, pay-1001. Retrying its network request does not inherently create a new payment. has evidence in Processor confirmation 2 concepts point hereOrder The merchant request to buy Mira’s €100 lamp, represented only by the payment-facing reference ord-1042. requires a Logical payment Nothing points hereProcessor confirmation Authored evidence about one payment or refund operation. Event identity and compatible state determine how it can affect recorded knowledge. 1 concept points hereRefund A separate operation that references an existing payment. refund-1001 requests the full fictional EUR 10000. references a Logical payment Nothing points here
4 concepts in 1 areas, joined by 3 relations. Dashed: named, not defined yet
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