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Copper Lane Payments
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Block schema
Swimlanes
Its use case
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Happy path
100%
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Copper Lane Payments
not eligible
eligible
already processed
new, compatible evidence
Support requests a refund for pay-1001
Payment service
Is this confirmed payment eligible for this refund?
Payment service
Reject an unsupported or already completed refund
Payment service
Record refund-1001 and submit refund-op-1001
Payment service
Refund requested; its outcome is still unknown
Merchant support
A refund confirmation arrives separately
Confirmation handler
Was this refund event already processed?
Confirmation handler
Duplicate refund event; recorded outcome unchanged
Confirmation handler
Record the compatible refund confirmation
Payment service
Refund confirmed by the fictional processor
Merchant support
Map
Refund the unavailable lamp
Step 2
Payment service
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