From: Andreas Schildbach <andreas@schildbach•de>
To: bitcoin-development@lists•sourceforge.net
Subject: Re: [Bitcoin-development] BIP 70 refund field
Date: Fri, 28 Mar 2014 17:59:52 +0100 [thread overview]
Message-ID: <lh49pp$4bc$1@ger.gmane.org> (raw)
In-Reply-To: <CANEZrP3zBFs=JpJi6eazTvrTaRX6XCJLu-zrraE6bezYW7b9pQ@mail.gmail.com>
Ok, why don't fix this in the spec for now, by defining a fixed expiry
time. In the EU, most products are covered by a 2 years warranty, so it
seems appropriate to pick 2.5 years (30 months) -- allowing for some
time to ship the product back and forth.
On 03/28/2014 12:31 PM, Mike Hearn wrote:
> On Fri, Mar 28, 2014 at 12:25 PM, Andreas Schildbach
> <andreas@schildbach•de <mailto:andreas@schildbach•de>> wrote:
>
> However, I don't see how PaymentDetails can be an answer. None of the
> fields (other than outputs and network) can be known in advance (at the
> time of the initial payment).
>
>
> You don't need all the fields indeed, but they're mostly optional
> (except time). So for the refund you'd fill out:
>
> outputs (same as today)
> time
> expiry_time
>
> You're probably aiming for an expires field? How would you refund a
> payment after expiry?
>
>
> It'd have to be ad-hoc at that point. OK, you don't get the nice UI that
> the refund field provides. Oh well. It should be rare to get refunds
> very very late after the purchase.
>
>
> Btw. another problem is that the refund address is currently
> unprotected.
>
>
> Yes indeed as is the rest of the Payment structure. We talked about
> signing it with one of the keys that's signing the Bitcoin transaction
> as well. But it seems like a bit overkill. Usually it'll be submitted
> over HTTPS or a (secured!) Bluetooth channel though so tampering with it
> should not be possible.
>
> However this does raise the question of whether a refund should be a
> full blown PaymentRequest with optional PKI signing. Normally, I think,
> a seller does not know or care about the identity of a buyer for
> refunds, outside of their own tracking system.
>
>
> ------------------------------------------------------------------------------
>
>
>
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next prev parent reply other threads:[~2014-03-28 17:00 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-28 11:07 Mike Hearn
2014-03-28 11:25 ` Andreas Schildbach
2014-03-28 11:31 ` Mike Hearn
2014-03-28 16:59 ` Andreas Schildbach [this message]
2014-03-28 18:19 ` Mike Hearn
2014-03-28 20:56 ` Andreas Schildbach
2014-03-29 9:27 ` Roy Badami
2014-03-29 13:29 ` Mike Hearn
2014-03-30 17:21 ` Andreas Schildbach
2014-03-28 11:38 ` Wladimir
2014-03-28 11:45 ` Tamas Blummer
2014-03-28 11:46 ` Mike Hearn
2014-03-28 11:54 ` Tamas Blummer
2014-03-28 12:27 ` Mike Hearn
2014-03-28 12:55 ` Tamas Blummer
2014-03-28 13:00 ` Mike Hearn
2014-03-28 13:09 ` Tamas Blummer
2014-03-28 11:30 ` Tamas Blummer
2014-03-28 13:18 ` Tamas Blummer
2014-03-28 14:01 ` Gavin Andresen
2014-03-28 14:06 ` Mike Hearn
2014-03-28 14:27 ` Tamas Blummer
2014-03-28 15:23 ` Mike Hearn
2014-03-28 15:26 ` Tamas Blummer
2014-03-28 16:34 ` Mike Hearn
2014-03-28 16:45 ` Tamas Blummer
2014-03-31 9:23 ` Peter Todd
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