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From: Mike Hearn <mike@plan99.net>
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Subject: Re: [Bitcoin-development] Payment Protocol: BIP 70, 71, 72
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I think the confidence of the tx is not really the users concern anyway.
They wrote it so they know it's valid. If the merchant disagrees for some
reason then the user can find out, out of band when the goods/services are
not delivered.
On Tue, Aug 20, 2013 at 1:19 AM, Gavin Andresen <gavinandresen@gmail.com>wrote:
> On Tue, Aug 20, 2013 at 8:15 AM, Andreas Petersson <andreas@petersson.at>wrote:
>
>> I was just reviewing the integration work to integrate the Payment
>> Protocol into our products. Is there any notion of a standardized
>> invoice serialisation? If i pay for two Burgers and one Club Mate, how
>> would my Bitcoin Wallet be able to know that?
>
>
> No. There are XML-based (shudder) standards for electronic invoicing that
> include all sorts of bells and whistles; the PaymentDetails message could
> easily encapsulate one of them in an 'invoice' field extension. Or we could
> reinvent the wheel and come up with our own, but I'd rather use an existing
> standard (or maybe a subset of an existing standard).
>
> I didn't want to wade into that swamp for the 1.0 version of the payment
> protocol.
>
>
>> Right now, i would simply
>> put that into "memo" and come up with my own serialisation mechanism.
>>
>
> "Two Burgers, one Club Mate" seems pretty user-friendly.
>
> Second, is there a way to communicate acceptance levels of TX
>> (unconfirmed, 1 conf, 6 conf) maybe using several PaymentACK?
>>
>
> No, because the Payment->PaymentACK communication round-trip is done in
> one, non-persistent http request-response round-trip.
>
> I don't think we want to allow merchants to push messages to the wallet
> (wouldn't take long for merchants to use the opportunity to push annoying
> advertising at me, I think), and I don't think we want wallets to poll the
> merchant. Although maybe a payment protocol version 2.0 feature could be a
> PaymentACK extension that says "ask me how the transaction is going at THIS
> URL in THIS many minutes."
>
> --
> --
> Gavin Andresen
>
>
> ------------------------------------------------------------------------------
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Content-Type: text/html; charset=UTF-8
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<div dir=3D"ltr">I think the confidence of the tx is not really the users c=
oncern anyway. They wrote it so they know it's valid. If the merchant d=
isagrees for some reason then the user can find out, out of band when the g=
oods/services are not delivered.</div>
<div class=3D"gmail_extra"><br><br><div class=3D"gmail_quote">On Tue, Aug 2=
0, 2013 at 1:19 AM, Gavin Andresen <span dir=3D"ltr"><<a href=3D"mailto:=
gavinandresen@gmail.com" target=3D"_blank">gavinandresen@gmail.com</a>><=
/span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex"><div dir=3D"ltr"><div class=3D"im">On Tue, A=
ug 20, 2013 at 8:15 AM, Andreas Petersson <span dir=3D"ltr"><<a href=3D"=
mailto:andreas@petersson.at" target=3D"_blank">andreas@petersson.at</a>>=
</span> wrote:<br>
</div><div class=3D"gmail_extra"><div class=3D"gmail_quote"><div class=3D"i=
m">
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">I was just reviewing the integration work to=
integrate the Payment<br>
Protocol into our products. Is there any notion of a standardized<br>
invoice serialisation? If i pay for two Burgers and one Club Mate, how<br>
would my Bitcoin Wallet be able to know that?</blockquote><div><br></div></=
div><div>No. There are XML-based (shudder) standards for electronic invoici=
ng that include all sorts of bells and whistles; the PaymentDetails message=
could easily encapsulate one of them in an 'invoice' field extensi=
on. Or we could reinvent the wheel and come up with our own, but I'd ra=
ther use an existing standard (or maybe a subset of an existing standard).<=
/div>
<div><br></div><div>I didn't want to wade into that swamp for the 1.0 v=
ersion of the payment protocol.</div><div class=3D"im"><div>=C2=A0</div><bl=
ockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #=
ccc solid;padding-left:1ex">
Right now, i would simply<br>
put that into "memo" and come up with my own serialisation mechan=
ism.<br></blockquote><div><br></div></div><div>"Two Burgers, one Club =
Mate" seems pretty user-friendly.=C2=A0</div><div class=3D"im"><div><b=
r>
</div><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-l=
eft:1px #ccc solid;padding-left:1ex">
Second, is there a way to communicate acceptance levels of TX<br>
(unconfirmed, 1 conf, 6 conf) maybe using several PaymentACK?<br></blockquo=
te><div><br></div></div><div>No, because the Payment->PaymentACK communi=
cation round-trip is done in one, non-persistent http request-response roun=
d-trip.</div>
</div><div><br></div><div>I don't think we want to allow merchants to p=
ush messages to the wallet (wouldn't take long for merchants to use the=
opportunity to push annoying advertising at me, I think), and I don't =
think we want wallets to poll the merchant. Although maybe a payment protoc=
ol version 2.0 feature could be a PaymentACK extension that says "ask =
me how the transaction is going at THIS URL in THIS many minutes."</di=
v>
<span class=3D"HOEnZb"><font color=3D"#888888">
<div><br></div>-- <br>--<br>Gavin Andresen<br>
</font></span></div></div>
<br>-----------------------------------------------------------------------=
-------<br>
Introducing Performance Central, a new site from SourceForge and<br>
AppDynamics. Performance Central is your source for news, insights,<br>
analysis and resources for efficient Application Performance Management.<br=
>
Visit us today!<br>
<a href=3D"http://pubads.g.doubleclick.net/gampad/clk?id=3D48897511&iu=
=3D/4140/ostg.clktrk" target=3D"_blank">http://pubads.g.doubleclick.net/gam=
pad/clk?id=3D48897511&iu=3D/4140/ostg.clktrk</a><br>___________________=
____________________________<br>
Bitcoin-development mailing list<br>
<a href=3D"mailto:Bitcoin-development@lists.sourceforge.net">Bitcoin-develo=
pment@lists.sourceforge.net</a><br>
<a href=3D"https://lists.sourceforge.net/lists/listinfo/bitcoin-development=
" target=3D"_blank">https://lists.sourceforge.net/lists/listinfo/bitcoin-de=
velopment</a><br>
<br></blockquote></div><br></div>
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