Return-Path: Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTPS id 54F48CC6 for ; Sat, 25 May 2019 23:56:51 +0000 (UTC) X-Greylist: whitelisted by SQLgrey-1.7.6 Received: from mail-wr1-f43.google.com (mail-wr1-f43.google.com [209.85.221.43]) by smtp1.linuxfoundation.org (Postfix) with ESMTPS id D5855A7 for ; Sat, 25 May 2019 23:56:50 +0000 (UTC) Received: by mail-wr1-f43.google.com with SMTP id b18so13307755wrq.12 for ; Sat, 25 May 2019 16:56:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=to:from:subject:openpgp:autocrypt:message-id:date:user-agent :mime-version:content-transfer-encoding:content-language; bh=400CbULspWZlieMk48J3bdtNbwj6NXfV05DtnzhmTSw=; b=IclWqUhR0iUwM5wnTdvS4jvCQ0f1zb8GYVckHh9piPXVbW7eEWri9WTqZ89B1pDk2a NNWu8tI3hECW+JShJn2viURjgXAcU5em4Oej/t+BuZTdJdBFn/W7l7pluy9otfjZLCgv t512XyljQVgWZX3T3iidnc01t4JOvNrbwyNNzpjhABt/9dxGGYTN2m+CwypiTqPurKIb /GZpHFwiWtX+HpaK8jJ1WbbOzlCS2dBMib4dTZo4ztOItTVZOIvcYcg3ctymjKAlxXSZ RPJKcTGtuwI/vxEQA7b+lQ5cStKJISmlezIGFyKrUenhE9Nv+vBXkIEjnMb0K0XkiYB3 0BpQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:to:from:subject:openpgp:autocrypt:message-id :date:user-agent:mime-version:content-transfer-encoding :content-language; bh=400CbULspWZlieMk48J3bdtNbwj6NXfV05DtnzhmTSw=; b=beVYNkH43t8dBccFQAuCnlPpOtUcnGDQ4I4J/F+xSJ2EdbZv4BlUnu5iEdB3AF7Y05 TYXT6Wp1a668+dk4P8QCRKkubdtvItyC04oOmlyRb1luPeuYLhszS7RXCy9cCeZP1dVk SHmvFnW45R4baXspoOymFHHkH/dDMotKXbL2YkUJ1Rp6HKv7uS+140JYqzCUjAoyQNkM y8PFZpYSk4Pvk9mOa8DDZS5ZbHwtFUfuo5Wkvz+fXPGZwJcvIj5YuGMZKyhsaPN/ptx9 d2MjAm2x8ACzbRDwMpzgoUYz/nG6894acm8yaIGDNTO8DNcqLeH9bQ5adj6haBTQO/wD xdHg== X-Gm-Message-State: APjAAAXD9jzT2XtjSd1bOvFftagX7oR2PbOqBZWpPjGM42eRInf7dVoy 17zVw/kUEysGNd2cA5UEFKtU/O2s X-Google-Smtp-Source: APXvYqwHmN5/wjI2oM96VXb+U0eoHBU4NLOWRm5vatS27fdyqNfXaMCTK+wenQuD0EAlsXspxs54yg== X-Received: by 2002:a05:6000:1284:: with SMTP id f4mr57796286wrx.325.1558828609016; Sat, 25 May 2019 16:56:49 -0700 (PDT) Received: from ?IPv6:2a01:cb1d:44:6500:9d6d:71b2:cb71:cb17? ([2a01:cb1d:44:6500:9d6d:71b2:cb71:cb17]) by smtp.googlemail.com with ESMTPSA id y10sm14703740wmg.8.2019.05.25.16.56.48 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 25 May 2019 16:56:48 -0700 (PDT) To: Bitcoin Dev From: Aymeric Vitte Openpgp: preference=signencrypt Autocrypt: addr=vitteaymeric@gmail.com; prefer-encrypt=mutual; keydata= mQINBFdW8uABEAC7HJScbB2d/lmYoY5Cn9loEjJwfLs1LC3om030bWFGiH3Ceo5XeHUT94rw Pi+HaHU8ea94425SXIFsnqp/ouoT/8Ffn6vED0OoRmK0jE4fqDApXSpoL2mHX9PAGdUItMtD YrxBiBZNfMkctEsm4NrQ4TCvB3Yrm6Fc69inXJjUoYgPw5tHafEeI8Qwh0j99JZZDKcAqIra JF3MPc59rATz0qOJtRP9EpsPVFwjJe13zN6CHILwiVgrL8EtT5WKCVO6ATxh60LHi8+MwPxV V31zp/NNI5Hck+XocEMO98ZvUu9X8ZxmnOk/+9pBxXEwUqSGUNWdmPJLncpI23Usce3u/MOo M2C4T4rD4J0XrXiyBvbeTvwq4qVNlyggeWzlBH+YpEYgDctPq4gNh4eoTtAkf8URtBeke5bQ CGdaZt/jxv8nvmxs9V/iSyg5ldJLQktHStXOo0OZ7FEB2C6Ggtymm4hm2MHYg07Q1MGJrFLa oJZkJ3JeXnVsZMam7ypQtld6rRa96CvH+llXwux6aQ5hKdzmBBMQ10LlkZhkExgTawbeqdiG RMP2DjD5go6TPdAHS4NN34SBkrTWLqgWOjN/lnG77bbLnpMl0P+xBTuqw1oSXaDbcdHE2nGY lRno/ZZIfr+1Bq56DZLBX/WpnAT4f5WtofL4CxQM9SbG6byyewARAQABtCJBeW1lcmljIFZp dHRlIDxheW1lcmljQHBlZXJzbS5jb20+iQI/BBMBCAApBQJXVvLgAhsjBQkJZgGABwsJCAcD AgEGFQgCCQoLBBYCAwECHgECF4AACgkQKh17NCYnrDm3WhAAlYmgtSmtfqjBvQMqkmtqiQJA aZkzFZWt6+zroduHH5/Tp8jh73gFqCUyRrl/kcKvs2+XQhfrOwk1R6OScF25bpnrZSeuyJnZ MZu4T0P2tGS8YdddQvWUHMtI9ZnQRuYmuZT23/hgj1JnukuGvGLeY0yDUa1xFffPN39shp5X FPMcpIVOV3bs+xjAdsyfRyO3qJAD1FGiR7ggJeoaxUbKZ6NtcVUPPRMjVTKfopkuDwKY318m BE0epfxSZ/iRhsJ0/sREUWgbgq4/QvCFwBKzgz7fTikGmf8OELWSdofmXs7gOtmMc3el8fJu W8PVa/OsIQHDmwSzvxmE8ba5M8bdwOYEraTWFArIymAAtRXKxmuYpkqKfeSlbCwae3W+pgNT 8nKYRVAFlMtIxYkmPYyMTk9kCscmSqugGWbWdnqe/dhVaa31xa1qO1tDH24D2/tjCJRQt4Jk AEWNSmjCmjfeArMEFTGlZwMTAjVXErLSPbLOsZiZhD9sjvSbfzrtJiMli2h9+Dvds+AJk1PM O8LW7cCNyFoCk4OdAxzJHobZ25G+uy4NSQEHgxLC2iuh/tugz1tOHnQczPc/3AkVVI9A5DF1 gbVRBJh6rI7sAcwuR76uoOs0Rpp7r6I66xqU/5eq8g1OsJp89tw0ppSIa0YmaxNqQZ0l3rVX o/ZwpBjtNQS5Ag0EV1by4AEQANhlz3Ywff4dY1HTdn05v0wVUxZzW2PUih+96m6EhpUrD9BT vxriKtbgxm/zl+5YAlThbrk9f0QyVTHJ95Z1/M5qjuksP9Zn3qZ/8ylANDkN2s3z8Bq/LJA+ u7+APhMqyFWK0FqNCOogClvijiKPEzkU6tmDGO6wZ5pR/u8Fdq7DGQgwgyGZZc7qstte0M7l yx7bVRlPBqvd6kyX3YubQHzkctf46nFjiYZgKawdWFsA3PCdSBupbhixL5d/t1UK9ZTiQJcf 0uhHzT06qwolFrm/ugkLDHtE4Zo3BuKch47Sms8P2hJ08gABxeJHg0ZgkIUy/Xf4nHbDCBJw T8tE8pWYWA2ECiPNo0TOCMVOueEzISUNKINfCuFHSbMQU39hgt3ofxODbAjOiO3e/iu1ptck AkuVBdtjOBP4tHRGxVrbf5EuAV5U5xtiSxMwMgojg0GIXZjnT/8uvWqcLqtJILRMmmu+WNvD oxuiJzcTJhDai9oujmxQwcpMvgrBB89KSTDyitO5XVjZqaR7Zxvvn3rM4bAms/lotv9+pTyh spazTIxb80u0ifJ6y1RxAkxQCfWwps1i3VbsM6OKX78aUyOf5V4ihXF57M37tOqPRwFvz6a+ AIIhUNMTLo2H+o6Vw9qbX8SUxPHPs6YpJ8lWQJ9OMWHE+SbaDFAi/D5hYRubABEBAAGJAiUE GAEIAA8FAldW8uACGwwFCQlmAYAACgkQKh17NCYnrDmk4Q/9Fuu0h5HvIiO3ieYA2StdE7hO vv2THuesjJDsj6aQUTgknaxKptJogNe3dDyIT+FHxXmCw0Nrbm9Q3ryl80z/G9utfFNO3Gwc q31QW3n3LJHnpqdrV3WsRzT5NwJMVtiIAGRrX8ZomtarWHT0PeEHC2xBdFzRrJtmkrwer0Wc 0nBzD7vk1XEXC9nODbmlgsesoHFgRwQBst3wClCbX1gv8aSfxQNpaf9UBC8DmyrQ621UXpBo PvcFEtWxV44vJfP0WOLCCN0Pzv2F2I66iKo7VMqbr5jlNAXJN9I1hXb7qwYJmBC9j5oeEoqv A9d44WWpxrdAr8qih4Nv89k9+9F6NoqORY3FGuVDKiW8CVhCmGT7bIvNeyicVBZFipXqPcKL VFduO2c5Ubc2npMWLUF1k9JJc9tH75l3+F/0RbYVTzGAZ+zSaudwR6h8YiCN2DBZGZkJEZbh 3X/l6jtijMN/W9sPHyyKvm/TmeEC27S3TqZPZ8PUQLxZC70V6gMbenh01JdSQsn5t8Ru0RNh Blt0g7IyZyIKCE9b+TyzbYpX6qgqEBUHia5b0vyPtQacWQlZ8uqnghAqNkLluEsy7Q/7xG6M wXUYEDsFOmB9dKOzcAOIhpxlVjSKu5mzXJ11sEtE8nyF5NJ/riCA7FGcjlki3zIpzQUNo9v7 vXl2h6Tivlk= Message-ID: Date: Sun, 26 May 2019 01:56:48 +0200 User-Agent: Mozilla/5.0 (Windows NT 6.3; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Content-Language: fr X-Spam-Status: No, score=-2.0 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, FREEMAIL_FROM, RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on smtp1.linux-foundation.org X-Mailman-Approved-At: Sun, 26 May 2019 14:06:06 +0000 Subject: [bitcoin-dev] Two questions about segwit implementation 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: Sat, 25 May 2019 23:56:51 -0000 I realized recently that my segwit implementation was not correct, basically some time ago, wrongly reading the specs (and misleaded by what follows), I thought that scriptsig would go into witness data as it was, but that's not the case, op_pushdata is replaced by varlen Now reading correctly the specs, they seem to be not totally correct, then the first question is: why OP_0 is 00 in witness data and not 0100? Does this apply to other op_codes? This does not look logical at all The second question is: why for non segwit inputs there is a 00 length in segwit data, what is the rational for that? It should just be nothing since you don't need this to reconciliate things