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From: Tom <tomz@freedommail.ch>
To: Peter Todd <pete@petertodd.org>
Cc: Bitcoin Protocol Discussion <bitcoin-dev@lists.linuxfoundation.org>
Subject: Re: [bitcoin-dev] Requesting BIP assignment; Flexible Transactions.
Date: Wed, 21 Sep 2016 11:32:33 +0200	[thread overview]
Message-ID: <5590176.JJpBoGr4Tc@garp> (raw)
In-Reply-To: <20160920215644.GA12030@fedora-21-dvm>

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Thanks for your email Peter!

On Tuesday 20 Sep 2016 17:56:44 Peter Todd wrote:
> On Tue, Sep 20, 2016 at 07:15:45PM +0200, Tom via bitcoin-dev wrote:
> > === Serialization order===
> > 
> > The tokens defined above have to be serialized in a certain order for the
> > transaction to be well-formatted.  Not serializing transactions in the
> > order specified would allow multiple interpretations of the data which
> > can't be allowed.
> 
> If the order of the tokens is fixed, the tokens themselves are redundant
> information when tokens are required; when tokens may be omitted, a simple
> "Some/None" flag to mark whether or not the optional data has been omitted
> is appropriate.

This is addressed in the spec; 
https://github.com/bitcoinclassic/documentation/blob/master/spec/transactionv4.md

«The way towards that flexibility is to use a generic concept made popular
various decades ago with the XML format. The idea is that we give each
field a name and this means that new fields can be added or optional fields
can be omitted from individual transactions»


> Also, if you're going to break compatibility with all existing software, it
> makes sense to use a format that extends the merkle tree down into the
> transaction inputs and outputs.

Please argue your case.

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  reply	other threads:[~2016-09-21  9:32 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-09-20 17:15 [bitcoin-dev] Requesting BIP assignment; Flexible Transactions Tom
2016-09-20 21:31 ` Luke Dashjr
2016-09-21  9:32   ` Tom
2016-09-20 21:56 ` Peter Todd
2016-09-21  9:32   ` Tom [this message]
2016-09-22 18:26     ` Peter Todd
2016-09-22 18:47       ` Tom
2016-09-21 12:00 ` Andreas Schildbach
2016-09-21 12:58   ` Tom
     [not found] ` <CAAS2fgSpnshZhS7N5R3Qsw_8=NN8sjYGwrnUpdwGzu2TG0-Qgw@mail.gmail.com>
2016-09-21 18:01   ` Gregory Maxwell
2016-09-22  8:56     ` Tom
2016-09-22 11:10       ` Christian Decker
2016-09-22 12:09         ` Tom
2016-09-23 11:42           ` Christian Decker
2016-09-23 13:17             ` Tom
2016-09-21 22:45 adiabat
2016-09-22  8:47 ` Tom
2016-09-22 18:27   ` Peter Todd
2016-09-22 18:37     ` Tom
2016-09-22 19:59       ` Jonas Schnelli
2016-09-22 20:07         ` Tom
2016-09-23 11:55       ` Christian Decker
2016-09-23 13:13         ` Tom

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