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From: James Hilliard <james.hilliard1@gmail.com>
To: Pieter Wuille <pieter.wuille@gmail.com>,
	 Bitcoin Protocol Discussion
	<bitcoin-dev@lists.linuxfoundation.org>
Subject: Re: [bitcoin-dev] Issolated Bitcoin Nodes
Date: Thu, 23 Mar 2017 19:31:25 -0500	[thread overview]
Message-ID: <CADvTj4o=_X2OK8YTtRdrY=8tgxg9Km3PBfdPZ=KAFctHk4Ctwg@mail.gmail.com> (raw)
In-Reply-To: <CAPg+sBjrjUFJZnCtmcvZYs_pc4T3YzU_jtK+eZANyGKSLavrXg@mail.gmail.com>

There were bridge nodes being run on testnet at one point to prevent
forks https://github.com/jl2012/bitcoin/commit/9717d856e72baa939d4b273f0a56e6009978e11b

On Thu, Mar 23, 2017 at 7:20 PM, Pieter Wuille via bitcoin-dev
<bitcoin-dev@lists.linuxfoundation.org> wrote:
> On Thu, Mar 23, 2017 at 3:37 PM, Juan Garavaglia via bitcoin-dev
> <bitcoin-dev@lists.linuxfoundation.org> wrote:
>> Long story short, when nodes 0.13+ receive blocks from 0.13+ nodes all is
>> ok, and those blocks propagate to older nodes with no issues. But when a
>> block tries to be propagated from bitcoind 0.12.+ to newer ones those blocks
>> are NOT being propagated to the peers with newer versions while these newer
>> blocks are being propagated to peers with older versions with no issues.
>>
>> My conclusion is that we have a backward compatibility issue between 0.13.X+
>> and older versions.
>
> Hello Juan,
>
> this is expected behaviour. Nodes with segwit active only download
> blocks from other segwit peers, as old peers cannot provide the
> witness data they need to verify the blocks.
>
> --
> Pieter
> _______________________________________________
> bitcoin-dev mailing list
> bitcoin-dev@lists.linuxfoundation.org
> https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev


  reply	other threads:[~2017-03-24  0:31 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-03-23 22:37 [bitcoin-dev] Issolated Bitcoin Nodes Juan Garavaglia
2017-03-23 23:01 ` Matt Corallo
2017-03-23 23:14 ` Andrew Chow
2017-03-24  3:38   ` Andrew Chow
2017-03-24  0:20 ` Pieter Wuille
2017-03-24  0:31   ` James Hilliard [this message]
2017-03-24  1:58   ` Eric Voskuil

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