[WIP] Error handling with failure#712
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Closing in favour of #713 |
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This PR adresses #166
We explored two approaches:
This PR illustrate the first approach in wallet code, see a separate PR for the second one. This one is very close to the existing code with standard error, it 1:1 maps underlying error type to the wallet error variant.
This is work in progress, we'd like to get some initial feedback before investing more efforts into it.