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Re: [Taler] WebEx wallet can't POST on Django site

From: Christian Grothoff
Subject: Re: [Taler] WebEx wallet can't POST on Django site
Date: Sun, 7 Feb 2016 16:40:33 +0100
User-agent: Mozilla/5.0 (X11; Linux i686; rv:38.0) Gecko/20100101 Thunderbird/38.5.1

On 02/04/2016 10:10 PM, Marcello Stanisci wrote:
> Recording the reserve would require more "staus flags" associated with
> reserves, so more db work.

Sure, but not much.

> And generating a new key pair when the user wants
> to create a new reserve doesn't decrease sensibly the performance. And from
> the UX perspective, I would suggest a "Reserve creation failed" message to
> show to the user, and then he just restart the process.

Actually, that's part of the bank now, not the wallet, as the bank
detects the failed pin.  So the wallet simply doesn't mark the reserve
creation as successful, but the error message should come completely
from the bank here.

> The failure of course could occur after two/three attempts so the user
> shouldn't be that annoyed to retry the whole thing (since he has been
> quite careless!).

Again, that's up to the bank. The bank can code a "try another pin" or
whatever. All the wallet cares about is: did we get the signal from the
bank that the reserve creation with amount X to mint Y was successful.
If so, we start to withdraw, if not, we simply do not.

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