Return-Path: Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTPS id 650E5DB3 for ; Thu, 27 Aug 2015 12:29:08 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from s47.web-hosting.com (s47.web-hosting.com [199.188.200.16]) by smtp1.linuxfoundation.org (Postfix) with ESMTPS id 0EA7D10E for ; Thu, 27 Aug 2015 12:29:07 +0000 (UTC) Received: from localhost ([::1]:36836 helo=server47.web-hosting.com) by server47.web-hosting.com with esmtpa (Exim 4.85) (envelope-from ) id 1ZUwIk-001gfe-FP; Thu, 27 Aug 2015 08:29:06 -0400 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Date: Thu, 27 Aug 2015 08:29:06 -0400 From: jl2012@xbt.hk To: Rusty Russell In-Reply-To: <87k2shig1x.fsf@rustcorp.com.au> References: <55DA6470.9040301@thinlink.com> <85537faedb1e601d243e3edb666fa844@xbt.hk> <87k2shig1x.fsf@rustcorp.com.au> Message-ID: <153ca520525adc59935e6ef4c57fd7a0@xbt.hk> X-Sender: jl2012@xbt.hk User-Agent: Roundcube Webmail/1.0.5 X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - server47.web-hosting.com X-AntiAbuse: Original Domain - lists.linuxfoundation.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - xbt.hk X-Get-Message-Sender-Via: server47.web-hosting.com: authenticated_id: jl2012@xbt.hk X-Source: X-Source-Args: X-Source-Dir: X-From-Rewrite: unmodified, already matched X-Spam-Status: No, score=-2.6 required=5.0 tests=BAYES_00,RCVD_IN_DNSWL_LOW autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on smtp1.linux-foundation.org Cc: Bitcoin Dev Subject: Re: [bitcoin-dev] [BIP-draft] CHECKSEQUENCEVERIFY - An opcode for relative locktime X-BeenThere: bitcoin-dev@lists.linuxfoundation.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Bitcoin Development Discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 27 Aug 2015 12:29:08 -0000 Rusty Russell 於 2015-08-26 23:08 寫到: > - We should immediately deploy an IsStandard() rule which insists that > nSequence is 0xFFFFFFFF or 0, so nobody screws themselves when we > soft fork and they had random junk in there. This is not needed because BIP68 is not active for version 1 tx. No existing wallet would be affected. > > Aside: I'd also like to have nLockTime apply even if nSequence != > 0xFFFFFFFF (another mistake I made). So I'd like an IsStandard() rule > to say it nLockTime be 0 if an nSequence != 0xFFFFFFFF. Would that > screw anyone currently? Do you mean "have nLockTime apply even if nSequence = 0xFFFFFFFF"? This is a softfork. Should we do this together with BIP65, BIP68 and BIP112? > Thanks, > Rusty.