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author | Mike Hearn <mike@plan99.net> | 2012-06-16 10:25:48 +0200 |
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committer | bitcoindev <bitcoindev@gnusha.org> | 2012-06-16 08:25:58 +0000 |
commit | 01d74f84216390eafd9a1c85b08944d43d93b941 (patch) | |
tree | 64da2eb8e57baba2dc4553b7a0f7ae1b22d1e94e | |
parent | 2941def5415bdb30bd7c10571126d6afd9a55210 (diff) | |
download | pi-bitcoindev-01d74f84216390eafd9a1c85b08944d43d93b941.tar.gz pi-bitcoindev-01d74f84216390eafd9a1c85b08944d43d93b941.zip |
Re: [Bitcoin-development] New P2P commands for diagnostics, SPV clients
-rw-r--r-- | b5/0797ad584926690eaccb31ef8aa32bb8b577d7 | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/b5/0797ad584926690eaccb31ef8aa32bb8b577d7 b/b5/0797ad584926690eaccb31ef8aa32bb8b577d7 new file mode 100644 index 000000000..a279c560a --- /dev/null +++ b/b5/0797ad584926690eaccb31ef8aa32bb8b577d7 @@ -0,0 +1,139 @@ +Received: from sog-mx-2.v43.ch3.sourceforge.com ([172.29.43.192] + helo=mx.sourceforge.net) + by sfs-ml-1.v29.ch3.sourceforge.com with esmtp (Exim 4.76) + (envelope-from <mh.in.england@gmail.com>) id 1SfoKU-0004Pe-T7 + for bitcoin-development@lists.sourceforge.net; + Sat, 16 Jun 2012 08:25:58 +0000 +Received-SPF: pass (sog-mx-2.v43.ch3.sourceforge.com: domain of gmail.com + designates 74.125.82.175 as permitted sender) + client-ip=74.125.82.175; envelope-from=mh.in.england@gmail.com; + helo=mail-we0-f175.google.com; +Received: from mail-we0-f175.google.com ([74.125.82.175]) + by sog-mx-2.v43.ch3.sourceforge.com with esmtps (TLSv1:RC4-SHA:128) + (Exim 4.76) id 1SfoKS-0006JW-Id + for bitcoin-development@lists.sourceforge.net; + Sat, 16 Jun 2012 08:25:58 +0000 +Received: by werg55 with SMTP id g55so2924403wer.34 + for <bitcoin-development@lists.sourceforge.net>; + Sat, 16 Jun 2012 01:25:50 -0700 (PDT) +MIME-Version: 1.0 +Received: by 10.180.8.69 with SMTP id p5mr10052714wia.17.1339835148179; Sat, + 16 Jun 2012 01:25:48 -0700 (PDT) +Sender: mh.in.england@gmail.com +Received: by 10.216.254.232 with HTTP; Sat, 16 Jun 2012 01:25:48 -0700 (PDT) +In-Reply-To: <1339785752.91313.YahooMailNeo@web121004.mail.ne1.yahoo.com> +References: <CA+8xBpecVQcTTbPxUm_3_GWC99dEd4=-VFWb+QT6jUy4rg8U4w@mail.gmail.com> + <CANEZrP0kNZDByHpK2=UjP+ag0X1KmqHxnJdm=e_pWMitP4QvvA@mail.gmail.com> + <CA+8xBpcwhQPQRe=stYb9xksLsTbiABKLS7PZnRtvPga6AmSg4Q@mail.gmail.com> + <CANEZrP39RHfCDX-x4ARo+oPphLv-70RxuMh3+AJzsNPxzOd=bA@mail.gmail.com> + <1339785752.91313.YahooMailNeo@web121004.mail.ne1.yahoo.com> +Date: Sat, 16 Jun 2012 10:25:48 +0200 +X-Google-Sender-Auth: zo8bsc8flwKL-ezIdiyLXCMLi6U +Message-ID: <CANEZrP037ZFr=NgVGQh3zU5fbEs9_03AdBjdNaUTwKjZvwoFmQ@mail.gmail.com> +From: Mike Hearn <mike@plan99.net> +To: Amir Taaki <zgenjix@yahoo.com> +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: quoted-printable +X-Spam-Score: -1.5 (-) +X-Spam-Report: Spam Filtering performed by mx.sourceforge.net. + See http://spamassassin.org/tag/ for more details. + -1.5 SPF_CHECK_PASS SPF reports sender host as permitted sender for + sender-domain + 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider + (mh.in.england[at]gmail.com) + -0.0 SPF_PASS SPF: sender matches SPF record + 0.1 DKIM_SIGNED Message has a DKIM or DK signature, + not necessarily valid + -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature +X-Headers-End: 1SfoKS-0006JW-Id +Cc: "bitcoin-development@lists.sourceforge.net" + <bitcoin-development@lists.sourceforge.net> +Subject: Re: [Bitcoin-development] New P2P commands for diagnostics, + SPV clients +X-BeenThere: bitcoin-development@lists.sourceforge.net +X-Mailman-Version: 2.1.9 +Precedence: list +List-Id: <bitcoin-development.lists.sourceforge.net> +List-Unsubscribe: <https://lists.sourceforge.net/lists/listinfo/bitcoin-development>, + <mailto:bitcoin-development-request@lists.sourceforge.net?subject=unsubscribe> +List-Archive: <http://sourceforge.net/mailarchive/forum.php?forum_name=bitcoin-development> +List-Post: <mailto:bitcoin-development@lists.sourceforge.net> +List-Help: <mailto:bitcoin-development-request@lists.sourceforge.net?subject=help> +List-Subscribe: <https://lists.sourceforge.net/lists/listinfo/bitcoin-development>, + <mailto:bitcoin-development-request@lists.sourceforge.net?subject=subscribe> +X-List-Received-Date: Sat, 16 Jun 2012 08:25:59 -0000 + +The bottleneck for the android Bitcoin Wallet app is rapidly becoming +bandwidth and parse time. + +On Fri, Jun 15, 2012 at 8:42 PM, Amir Taaki <zgenjix@yahoo.com> wrote: +> Why though? The bottleneck is not network traffic but disk space usage/bl= +ockchain validation time. +> +> +> +> ----- Original Message ----- +> From: Mike Hearn <mike@plan99.net> +> To: Jeff Garzik <jgarzik@exmulti.com> +> Cc: Bitcoin Development <bitcoin-development@lists.sourceforge.net> +> Sent: Friday, June 15, 2012 3:43 PM +> Subject: Re: [Bitcoin-development] New P2P commands for diagnostics, SPV = +clients +> +>> Yes, the format is something that must be hashed out (no pun +>> intended). =C2=A0Need input from potential users about what information +>> they might need. +> +> Matts point that a branch-per-transaction may duplicate data is well +> made, that said, I suspect a format that tries to fix this would be +> much more complicated. +> +> How about see this project as a three part change? +> +> First step - add the mempool command and make nodes sync up their +> mempools on startup. +> +> Second step - if protocol version >=3D X, the "block" message consists +> of a header + num transactions + vector<hash>=C2=A0 instead of the full +> transactions themselves. +> +> On receiving such a block, we go look to see which transactions we're +> missing from the mempool and request them with getdata. Each time we +> receive a tx message we check to see if it was one we were missing +> from a block. Once all transactions in the block message are in +> memory, we go ahead and assemble the block, then verify as per normal. +> This should speed up block propagation. Miners have an incentive to +> upgrade because it should reduce wasted work. +> +> Third step - new message, getmerkletx takes a vector<hash> and returns +> a merkletx message: "merkle branch missing the root + transaction data +> itself" for each requested transaction. The filtering commands are +> added, so the block message now only lists transaction hashes that +> match the filter which can then be requested with getmerkletx. +> +> -------------------------------------------------------------------------= +----- +> Live Security Virtual Conference +> Exclusive live event will cover all the ways today's security and +> threat landscape has changed and how IT managers can respond. Discussions +> will include endpoint security, mobile security and the latest in malware +> threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ +> _______________________________________________ +> Bitcoin-development mailing list +> Bitcoin-development@lists.sourceforge.net +> https://lists.sourceforge.net/lists/listinfo/bitcoin-development +> +> +> -------------------------------------------------------------------------= +----- +> Live Security Virtual Conference +> Exclusive live event will cover all the ways today's security and +> threat landscape has changed and how IT managers can respond. Discussions +> will include endpoint security, mobile security and the latest in malware +> threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ +> _______________________________________________ +> Bitcoin-development mailing list +> Bitcoin-development@lists.sourceforge.net +> https://lists.sourceforge.net/lists/listinfo/bitcoin-development + + |