Return-Path: Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTPS id 0733D16AE for ; Mon, 31 Aug 2015 16:24:34 +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 0C0AB102 for ; Mon, 31 Aug 2015 16:24:32 +0000 (UTC) Received: from localhost ([::1]:59725 helo=server47.web-hosting.com) by server47.web-hosting.com with esmtpa (Exim 4.85) (envelope-from ) id 1ZWRsb-000Vsu-Gb; Mon, 31 Aug 2015 12:24:21 -0400 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Date: Mon, 31 Aug 2015 12:24:21 -0400 From: jl2012@xbt.hk To: Bryan Bishop In-Reply-To: References: Message-ID: 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, UPPERCASE_50_75 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] Short review of previously-proposed exotic SIGHASH types 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: Mon, 31 Aug 2015 16:24:34 -0000 Bryan Bishop via bitcoin-dev 於 2015-08-30 14:56 寫到: > > SIGHASH_WITHOUT_PREV_SCRIPTPUBKEY > SIGHASH_WITHOUT_PREV_VALUE > SIGHASH_WITHOUT_INPUT_TXID > SIGHASH_WITHOUT_INPUT_INDEX > SIGHASH_WITHOUT_INPUT_SEQUENCE > SIGHASH_WITHOUT_OUTPUT_SCRIPTPUBKEY > SIGHASH_WITHOUT_OUTPUT_VALUE > SIGHASH_WITHOUT_INPUTS > SIGHASH_WITHOUT_OUTPUTS > SIGHASH_WITHOUT_INPUT_SELF > SIGHASH_WITHOUT_OUTPUT_SELF > SIGHASH_WITHOUT_TX_VERSION > SIGHASH_WITHOUT_TX_LOCKTIME > SIGHASH_SIGN_STACK_ELEMENT: > https://github.com/scmorse/bitcoin-misc/blob/master/sighash_proposal.md > Thanks for your summary. This one seems particularly interesting. However, it does not allow fine adjustment for each input and output separately, so I wonder if it really "fully enable any seen or unforseen use case of the CTransactionSignatureSerializer." as it claims.