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IDProjectCategoryView StatusLast Update
0007916Talerwallet-corepublic2024-07-25 23:56
ReporterChristian Grothoff Assigned ToFlorian Dold  
PrioritynormalSeverityfeatureReproducibilityN/A
Status assignedResolutionopen 
Platformi7OSDebian GNU/LinuxOS Versionsqueeze
Product Versiongit (master) 
Target Versionpost-1.0 
Summary0007916: support STEFAN parameters [estimate: 20h]
DescriptionThe exchange /keys response now contains stefan_abs, stefan_log and stefan_lin as per DD47. The wallet (core) should compute fees according to the STEFAN curve and pass the values to the UIs.

The wallet should also add code to compute default STEFAN curve values from the fee structure. A CLI command should output these values given an exchange base URL. The exchange configuration documentation should be updated to explain when and how to run the tool.

The computation could also be used by the UIs if a user requests a fee comparison to protect users against exchanges with dishonest STEFAN values. However, the computation MAY be to expensive to run on a regular basis by the wallet (TBD). Exchanges MAY also be configured with higher STEFAN values than those obtained from the wallet directly.
TagsNo tags attached.

Relationships

has duplicate 0007498 closedFlorian Dold fee structure considerations (was: Incoherent calculation of fees during withdraw) 
related to 0008631 acknowledged Fees charged to payer 

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Issue History

Date Modified Username Field Change
2023-08-11 16:37 Christian Grothoff New Issue
2023-08-11 16:37 Christian Grothoff Status new => assigned
2023-08-11 16:37 Christian Grothoff Assigned To => Florian Dold
2024-01-28 01:34 Christian Grothoff Target Version 0.10 => 0.11
2024-03-01 00:12 Florian Dold Relationship added has duplicate 0007498
2024-03-18 10:32 Christian Grothoff Relationship added related to 0008631
2024-04-03 13:15 Florian Dold Summary support STEFAN parameters => support STEFAN parameters [estimate: 20h]
2024-04-05 14:57 Christian Grothoff Target Version 0.11 => 0.14
2024-07-25 23:56 Christian Grothoff Target Version 0.14 => post-1.0