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From: Peter Todd <pete@petertodd.org>
To: Jeff Garzik <jgarzik@bitpay.com>, Richard Brady <rnbrady@gmail.com>
Cc: Bitcoin <bitcoin-development@lists.sourceforge.net>
Subject: Re: [Bitcoin-development] BIP70: why Google Protocol Buffers for	encoding?
Date: Mon, 19 Jan 2015 12:48:26 -0700	[thread overview]
Message-ID: <2C7D6208-1921-4DDC-90FE-DB1ABE1D61DB@petertodd.org> (raw)
In-Reply-To: <CAJHLa0OTynX4oiQoyanpRKE2tpAuS4L5X-2j20328725J9RrvQ@mail.gmail.com>

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On 19 January 2015 12:09:13 GMT-07:00, Jeff Garzik <jgarzik@bitpay.com> wrote:
>Text formats such as XML or JSON are far less deterministic, are more
>loosely specified, have wide variance in parsing, are not very
>hash-able,
>the list goes on.

Protocol buffers isn't any more hashable than XML or json - round trips aren't deterministic with standard protobuf libraries. To make it deterministic you end up creating a new standard.

I have this problem for an asset representation standard for one of my clients, and I've reluctantly had to roll my own format.
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  parent reply	other threads:[~2015-01-19 19:48 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-01-19 19:07 [Bitcoin-development] BIP70: why Google Protocol Buffers for encoding? Richard Brady
2015-01-19 19:09 ` Jeff Garzik
2015-01-19 19:16   ` Richard Brady
2015-01-19 19:34     ` Jeff Garzik
2015-01-19 19:48   ` Peter Todd [this message]
2015-01-19 19:57     ` Richard Brady
2015-01-19 20:03       ` Alan Reiner
2015-01-19 20:06         ` Peter Todd
2015-01-19 20:40         ` Mike Hearn
2015-01-19 20:56           ` Gavin Andresen
2015-01-19 21:22             ` Brian Hoffman
2015-01-19 20:59           ` Ross Nicoll
2015-01-24 13:19           ` Isidor Zeuner
2015-01-25 22:59             ` Ross Nicoll
2015-03-14 15:58             ` Isidor Zeuner
2015-03-24 12:08               ` Jorge Timón
2015-01-19 21:21         ` Jeff Garzik
2015-01-19 19:19 ` Matt Whitlock
2015-01-19 19:37   ` Mike Hearn
2015-01-19 19:38   ` Jeff Garzik
2015-01-28 12:45 Nicolas DORIER
2015-01-28 13:32 ` Wladimir
2015-01-28 14:00   ` Nicolas DORIER
2015-01-28 15:42     ` Mike Hearn
2015-01-28 16:04       ` Jeff Garzik
2015-01-28 16:52         ` Nicolas DORIER
2015-01-28 17:29           ` Jeff Garzik
2015-01-28 17:45             ` Mike Hearn
2015-01-28 16:19       ` Giuseppe Mazzotta
2015-01-28 16:51         ` Matt Whitlock
2015-01-28 17:02           ` Mike Hearn
2015-01-28 16:34       ` Nicolas DORIER
2015-01-28 16:55         ` Mike Hearn
2015-01-28 17:04           ` Nicolas Dorier
2015-01-28 17:14             ` Mike Hearn
2015-01-28 17:17               ` Angel Leon
2015-01-28 17:27               ` Nicolas DORIER

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