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From: Andreas Schildbach <andreas@schildbach.de>
To: bitcoin-development@lists.sourceforge.net
Subject: Re: [Bitcoin-development] BIP 21 (modification BIP 20)
Date: Tue, 31 Jan 2012 12:55:01 +0100	[thread overview]
Message-ID: <jg8kql$bct$1@dough.gmane.org> (raw)
In-Reply-To: <CA+s+GJAvEPda7UGHDoz84OavSh5jdN8wOhGgrNUgPU_Wh66Xyw@mail.gmail.com>

On 01/31/2012 11:22 AM, Wladimir wrote:

> To ensure forward compatibility with optional fields, we need to define
> how a client handles fields that it doesn't know about.
> 
> When should it display an error message, and when should it silently
> accept and ignore the extraneous fields?

IMHO its standard that unknown URL parameters are simply ignored. I
think we should not change this principle.

> (For example, if something that restricts the validity, such
> as "expires" is added later on, it is pretty important not to ignore it.
> Older clients should refuse to comply.)

In this case, you'd need to refuse *all* parameters you don't know
about. In consequence, all extensions would break older clients.




  reply	other threads:[~2012-01-31 11:55 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-01-29 23:55 [Bitcoin-development] BIP 21 (modification BIP 20) Amir Taaki
2012-01-30  9:13 ` Wladimir
2012-01-31  8:23 ` Andreas Schildbach
2012-01-31  8:35   ` Wladimir
2012-01-31 10:01     ` Gary Rowe
2012-01-31 10:22       ` Wladimir
2012-01-31 11:55         ` Andreas Schildbach [this message]
2012-01-31 12:03           ` Wladimir
2012-01-31 10:44       ` Pieter Wuille
2012-01-30 18:07 thomasV1
2012-01-30 18:44 ` Luke-Jr
2012-01-30 18:50 Gary Rowe
2012-01-30 18:56 ` Luke-Jr
2012-01-30 19:13   ` Gary Rowe
2012-01-30 19:17     ` Luke-Jr
2012-01-31  6:54 ` thomasV1
2012-01-31 13:12   ` Gavin Andresen
2012-01-31 13:20     ` Cameron Garnham
2012-01-31 10:39 [Bitcoin-development] BIP 21 (modification BIP 20)] Pieter Wuille

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