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IDProjectCategoryView StatusLast Update
0005987Talermechant backendpublic2019-12-06 23:19
ReporterFlorian DoldAssigned ToChristian Grothoff 
PrioritylowSeverityminorReproducibilityhave not tried
Status assignedResolutionopen 
Product Version 
Target VersionFixed in Version 
Summary0005987: review abort-refund mode of /pay
DescriptionIt is currently not clear why the API needs the deposit permissions, when the merchant could just refund all coins deposited so far for this order.

Maybe this was intended to abort a partial payment on device A and complete it on device B? It is not clear from the documentation whether an "aborted" payment can be continued.
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Florian Dold

2019-12-06 00:34

manager   ~0015127

Last edited: 2019-12-06 00:35

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Looks like the "two devices" scenario is why the API was designed this way.

Leaving this open since the rationale for this needs to be clarified in the documentation, and it needs to be emphasized that an aborted payment can still be completed.

Furthermore, it is not clear how this interacts with the API for the merchant frontend: If I pay something for 10 EUR, but do (1) partial pay (2) abort-refund (3) partial pay (3) abort-refund (4) partial pay, then I have a refund of a bit less than 20 EUR, but actually paid 10 EUR plus fees. How is this information presented to a merchant frontend in the /check-payment API?

Issue History

Date Modified Username Field Change
2019-12-06 00:26 Florian Dold New Issue
2019-12-06 00:26 Florian Dold Status new => assigned
2019-12-06 00:26 Florian Dold Assigned To => Christian Grothoff
2019-12-06 00:34 Florian Dold Note Added: 0015127
2019-12-06 00:35 Florian Dold Note Edited: 0015127 View Revisions
2019-12-06 23:19 Christian Grothoff Priority normal => low