Return-Path: Received: from smtp2.osuosl.org (smtp2.osuosl.org [140.211.166.133]) by lists.linuxfoundation.org (Postfix) with ESMTP id C148CC0032 for ; Tue, 22 Aug 2023 19:09:12 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp2.osuosl.org (Postfix) with ESMTP id 8EFE1400D2 for ; Tue, 22 Aug 2023 19:09:12 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 smtp2.osuosl.org 8EFE1400D2 Authentication-Results: smtp2.osuosl.org; dkim=pass (1024-bit key) header.d=reardencode.com header.i=@reardencode.com header.a=rsa-sha256 header.s=mail header.b=R5K7Af6y X-Virus-Scanned: amavisd-new at osuosl.org X-Spam-Flag: NO X-Spam-Score: 0.6 X-Spam-Level: X-Spam-Status: No, score=0.6 tagged_above=-999 required=5 tests=[BAYES_50=0.8, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Received: from smtp2.osuosl.org ([127.0.0.1]) by localhost (smtp2.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id qHbOwz5zCvXz for ; Tue, 22 Aug 2023 19:09:11 +0000 (UTC) Received: from mail.reardencode.com (mail.reardencode.com [206.125.169.165]) by smtp2.osuosl.org (Postfix) with ESMTPS id 5E9B2400BA for ; Tue, 22 Aug 2023 19:09:11 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 smtp2.osuosl.org 5E9B2400BA Date: Tue, 22 Aug 2023 12:08:36 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=reardencode.com; s=mail; t=1692731348; bh=v6EbvA311WaX1TK2O0fL/DCt5NhVzPzT38OkifKo/Ss=; h=Date:From:To:Subject:References:In-Reply-To; b=R5K7Af6y/kv9eNdKmdfEzGMJB1aGcxe43ZDjGqweo8s7TeMhwEQ4pBob4AelmRdHr ISNK/xZUOipqTbagFbnSMZGjZN38UISlyVRng+tLsKK4h4jDmqqFkAFMqWL0VXf4PA GrPhaPDUhj5iqSWdPwttVZsyy+C317Edj5H3b23U= From: Brandon Black To: bitcoin-dev@lists.linuxfoundation.org Message-ID: Mail-Followup-To: bitcoin-dev@lists.linuxfoundation.org References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Operating-System: Linux 5.15.110 x86_64 X-Mailman-Approved-At: Wed, 23 Aug 2023 18:17:09 +0000 Subject: Re: [bitcoin-dev] Combined CTV+APO to minimal TXHASH+CSFS X-BeenThere: bitcoin-dev@lists.linuxfoundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Bitcoin Protocol Discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 22 Aug 2023 19:09:12 -0000 Quick update to the proposal thanks to James O'Beirne: CTV is 2-bytes less expensive than I thought when used alone. I thought that script success required exactly OP_TRUE not just a CastToBool()=true value on the stack. This means that my proposal is 2 weight units (0.5vBytes) larger than CTV when both are used in Tapscript. --Brandon