From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTPS id 2509994F for ; Fri, 24 Mar 2017 00:31:27 +0000 (UTC) X-Greylist: whitelisted by SQLgrey-1.7.6 Received: from mail-oi0-f54.google.com (mail-oi0-f54.google.com [209.85.218.54]) by smtp1.linuxfoundation.org (Postfix) with ESMTPS id A485817E for ; Fri, 24 Mar 2017 00:31:26 +0000 (UTC) Received: by mail-oi0-f54.google.com with SMTP id w81so73162741oig.1 for ; Thu, 23 Mar 2017 17:31:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=UsGs3mLEONeUFLBlUEPELuK+qwzQipzY0YUhqfgHUIc=; b=lcuyZXprxHxO07rE6CepaqpuIQNsnhBUEOnWOhkN04sB8fmE4LhFUexBfm7zoEuC8Z Lipuh57tvogbeiupiQ8aDJZ/AKvIY9FgWKB6aYVbCCu5f0q4tWw5hR3416Rz91WwpUCI NU1NUhmODOmwxk3NJWWr5OWrzas8Xmn5HP2E6yElXcqk/OsA6nz2bljEh/nj9XZeT48w o/rxrleaetlGGFdju4umXAnYJ3AJEpggZ719zNwxWuksK5jga6leCZtwEkkxb4G4boW0 8Fx9bNIq1/JugEfgSy67yTIG2DsZ9wmV9ZViSPh6g9rC/19g+mtE210qpC5zk+X4/2+5 xIEg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=UsGs3mLEONeUFLBlUEPELuK+qwzQipzY0YUhqfgHUIc=; b=KqSpPtLMmjgclhcp7dr9hL6E0ZTLNP39YsUzg3hJP6U/KQWyjIgzm9kk5AVERgxfA7 iy5ICaOld6DGIJBsx2ZjJvY1DTc4Uhw1UDVQa3lv1s8yG09iT1z+V4K4mYm9TMxNtxnv +xZ6TUmJoZ5W3gJrjappPHRFLJgE/d6MFoznzcaA7weTwmjU17aymnOQfFE2o5vtsqSZ +0uvByg5j2ZQ+CNmXAWi0czly6TvwxCMMvyr7a9dOXjV7UXW+O5VSon/nV2fH8X2Wl6H ZmS+L+SEz1BzI4P+pedX/H0yB8+zTmpkQ1uZ1fJUU5K9LETqoYcx5uM+DgXTIz1SLAaf JUfQ== X-Gm-Message-State: AFeK/H0JcG7recK6lwVcBMKJAaLbUcbQo73EY7eDhL+j7vVAB4kOvBZciBJ5gZ5l2DSF26ul6Jcj56WY3UIzvQ== X-Received: by 10.202.222.84 with SMTP id v81mr3136233oig.194.1490315486034; Thu, 23 Mar 2017 17:31:26 -0700 (PDT) MIME-Version: 1.0 Received: by 10.182.77.196 with HTTP; Thu, 23 Mar 2017 17:31:25 -0700 (PDT) In-Reply-To: References: From: James Hilliard Date: Thu, 23 Mar 2017 19:31:25 -0500 Message-ID: To: Pieter Wuille , Bitcoin Protocol Discussion Content-Type: text/plain; charset=UTF-8 X-Spam-Status: No, score=-1.2 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_ENVFROM_END_DIGIT,FREEMAIL_FROM, RCVD_IN_DNSWL_NONE,RCVD_IN_SORBS_SPAM autolearn=no version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on smtp1.linux-foundation.org Subject: Re: [bitcoin-dev] Issolated Bitcoin Nodes X-BeenThere: bitcoin-dev@lists.linuxfoundation.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Bitcoin Protocol Discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 24 Mar 2017 00:31:27 -0000 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 wrote: > On Thu, Mar 23, 2017 at 3:37 PM, Juan Garavaglia via bitcoin-dev > 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