From: Gregory Maxwell <gmaxwell@gmail•com>
To: Luke Dashjr <luke@dashjr•org>
Cc: Bitcoin Dev <bitcoin-dev@lists•linuxfoundation.org>
Subject: Re: [bitcoin-dev] [BIP] Normalized transaction IDs
Date: Wed, 21 Oct 2015 08:26:47 +0000 [thread overview]
Message-ID: <CAAS2fgR7X2j9buFQXvgmWZCfoasRa=nLB5efnu-ZnqFZC+SeuQ@mail.gmail.com> (raw)
In-Reply-To: <CAAS2fgT4DU1MuOwo0Qr4yMNRamajD=KrOVP93pzApWMpry-Srg@mail.gmail.com>
On Wed, Oct 21, 2015 at 7:48 AM, Gregory Maxwell <gmaxwell@gmail•com> wrote:
> I'm still sad that uniform segregated witeness is so hard to deploy,
> adding another id to every utxo set won't be a nice cost. :( But I
> have been trying for a long time to come up with anything better and
> not being successful.
Oh good. Luke solved it.
To deploy SW without a disruptive flag day this encoding could be used:
A new P2SH like scriptPubkey type is defined. In the soft-fork, the
scriptsig for this scriptPubkey is required to be empty.
Signatures are not covered under txid, but carried along side. Then
committed to in blocks in a separate hashtree.
The only disadvantage to the approach used in elements alpha that I
can come up with so far (in the few minutes since luke turned my can't
into a can) is that that the approach in EA did not disrupt the normal
relay handling process, and this would, since relay that transports
the extradata either needs to use a different hash that includes the
witness, or have a separate mechanism for witness transport.
next prev parent reply other threads:[~2015-10-21 8:26 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-19 14:01 Christian Decker
2015-10-19 15:23 ` Tier Nolan
2015-10-19 19:28 ` Christian Decker
2015-10-19 22:22 ` s7r
2015-10-20 10:30 ` Christian Decker
2015-10-21 6:18 ` Luke Dashjr
2015-10-21 7:39 ` Christian Decker
2015-10-21 7:52 ` Luke Dashjr
2015-10-21 8:31 ` Christian Decker
2015-10-21 8:39 ` Luke Dashjr
2015-10-21 8:44 ` Christian Decker
2015-10-21 8:46 ` Luke Dashjr
2015-10-21 18:22 ` Danny Thorpe
2015-10-21 19:27 ` Gregory Maxwell
2015-10-21 23:20 ` Luke Dashjr
2015-10-22 8:26 ` Christian Decker
2015-10-22 8:57 ` Gregory Maxwell
2015-10-22 11:54 ` Christian Decker
2015-10-22 9:05 ` Luke Dashjr
2015-11-03 20:37 ` Christian Decker
2015-11-03 20:48 ` Luke Dashjr
2015-11-03 21:44 ` Christian Decker
2015-11-03 22:01 ` Luke Dashjr
2015-11-05 15:27 ` Jorge Timón
2015-11-05 19:36 ` Luke Dashjr
2015-11-05 20:25 ` Jorge Timón
2015-11-05 22:46 ` s7r
2015-11-05 22:29 ` Adam Back
2015-11-06 14:52 ` Christian Decker
2015-11-04 4:00 ` Peter Todd
2015-11-05 9:38 ` Christian Decker
2015-10-21 7:48 ` Gregory Maxwell
2015-10-21 8:26 ` Gregory Maxwell [this message]
2015-10-21 8:49 ` Christian Decker
2015-10-21 8:50 ` Christian Decker
2015-10-21 10:14 ` Gregory Maxwell
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