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| author | Jeremy Rubin <jeremy.l.rubin@gmail.com> | 2022-02-06 09:56:12 -0800 |
|---|---|---|
| committer | bitcoindev <bitcoindev@gnusha.org> | 2022-02-06 17:56:26 +0000 |
| commit | 3da897fda84469a7d12227c5797393f199ac200c (patch) | |
| tree | 8ff9b7a13aa27ae7e70b94922b495c40becc7beb | |
| parent | 97d73c4370d99f097b95acc37d13e030b73cedc2 (diff) | |
| download | pi-bitcoindev-3da897fda84469a7d12227c5797393f199ac200c.tar.gz pi-bitcoindev-3da897fda84469a7d12227c5797393f199ac200c.zip | |
Re: [bitcoin-dev] CTV dramatically improves DLCs
| -rw-r--r-- | c3/4662d02aca873507d1e0cfa10d70a3e86f3131 | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/c3/4662d02aca873507d1e0cfa10d70a3e86f3131 b/c3/4662d02aca873507d1e0cfa10d70a3e86f3131 new file mode 100644 index 000000000..fa74d56b5 --- /dev/null +++ b/c3/4662d02aca873507d1e0cfa10d70a3e86f3131 @@ -0,0 +1,132 @@ +Return-Path: <jeremy.l.rubin@gmail.com> +Received: from smtp1.osuosl.org (smtp1.osuosl.org [IPv6:2605:bc80:3010::138]) + by lists.linuxfoundation.org (Postfix) with ESMTP id 3413BC000B + for <bitcoin-dev@lists.linuxfoundation.org>; + Sun, 6 Feb 2022 17:56:26 +0000 (UTC) +Received: from localhost (localhost [127.0.0.1]) + by smtp1.osuosl.org (Postfix) with ESMTP id 1CDE5813EA + for <bitcoin-dev@lists.linuxfoundation.org>; + Sun, 6 Feb 2022 17:56:26 +0000 (UTC) +X-Virus-Scanned: amavisd-new at osuosl.org +X-Spam-Flag: NO +X-Spam-Score: -0.077 +X-Spam-Level: +X-Spam-Status: No, score=-0.077 tagged_above=-999 required=5 + tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, + DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FORGED_GMAIL_RCVD=1, + FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, MISSING_HEADERS=1.021, + RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001] + autolearn=no autolearn_force=no +Authentication-Results: smtp1.osuosl.org (amavisd-new); + dkim=pass (2048-bit key) header.d=gmail.com +Received: from smtp1.osuosl.org ([127.0.0.1]) + by localhost (smtp1.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) + with ESMTP id TGk0YzcTRF59 + for <bitcoin-dev@lists.linuxfoundation.org>; + Sun, 6 Feb 2022 17:56:25 +0000 (UTC) +X-Greylist: whitelisted by SQLgrey-1.8.0 +Received: from mail-lj1-x231.google.com (mail-lj1-x231.google.com + [IPv6:2a00:1450:4864:20::231]) + by smtp1.osuosl.org (Postfix) with ESMTPS id 6748A8137F + for <bitcoin-dev@lists.linuxfoundation.org>; + Sun, 6 Feb 2022 17:56:25 +0000 (UTC) +Received: by mail-lj1-x231.google.com with SMTP id t14so16525309ljh.8 + for <bitcoin-dev@lists.linuxfoundation.org>; + Sun, 06 Feb 2022 09:56:25 -0800 (PST) +DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; + h=mime-version:references:in-reply-to:from:date:message-id:subject:cc; + bh=YgJul6DS5/hoDP8Qk9WJvUr2aedF83cau4AwKEBYylI=; + b=fRDeUUxujfk7UVTiDecfN/NMAAgwHUr3VlfrCsCsDJrSc0bPgD8Pm89TEUNC/LH6Wa + j8utxSjZi+cN0xkUvZO0xGphkBB0DnhurOTbKyTG6+QxqZTRKSPLkzWUSngvZz+bOb+f + SjoyS2c9AWav508VihNXa9W9cRX8OuihS7chEGJk5B3dg0xoqsaD1PgWdl0DH5n3sfXP + 8CR6NVffUTronZnN450TNnFp4rfOa4U+s2h2BqbnaoEYe8SO0kqK+ZMQM5XTL3CuVgMJ + YNSCVHqWsTi1onwPH5aRhjcVVKQDWRi9EKPJGCTTiZH9sb4aTQ3mld3OaGiSiNpMoYly + 1MuA== +X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; + d=1e100.net; s=20210112; + h=x-gm-message-state:mime-version:references:in-reply-to:from:date + :message-id:subject:cc; + bh=YgJul6DS5/hoDP8Qk9WJvUr2aedF83cau4AwKEBYylI=; + b=1ijU2lEpQ7aj/32Mb9zPynXCciPKpCl1LRRRhy1uZZaRL3P4dnzQC67FRHLoSREItG + gysjIw/dcw/1OS4AhNwyvN5C5v93YvMBtz2frQEbcKBqImroSo+sRNJbq4hPwE1dRqWs + /5CfFGXuFp4B9HxePmGgNNRO25l81Rmxmews1rZl6R4aPX20KVt4buM0M0DD3PQJoI0z + sN3I6MDkUEppcGYG4uB/ScPBqPrdGRmxZgWtU6UM1+haJm5M4USHBMNYO29kO2mPqZLl + FOlE+8BkcmwOk0faTn4RB106NfJEif0MwmHMbgSdgzGe7p1qCQjwb+otItfPEJQU8J5o + gZ9g== +X-Gm-Message-State: AOAM531mWKKGzu+rplFSeK2YIpjiyI3DBlrvdxGeLAQnzB8zklxODJmM + 8FMqm1QB1N8DpQD4CSPfCkE8DdRCY3Qdfxi2wnb6f9yNEmw= +X-Received: by 2002:a2e:9e82:: with SMTP id f2mt1855957ljk.57.1644170182885; + Sun, 06 Feb 2022 09:56:22 -0800 (PST) +MIME-Version: 1.0 +References: <CAH5Bsr2vxL3FWXnJTszMQj83jTVdRvvuVpimEfY7JpFCyP1AZA@mail.gmail.com> + <CAD5xwhiJiopwH87Bn+yq_0-XXSJYOtNzUg4JCaYwuj=oo9CacA@mail.gmail.com> + <CAH5Bsr1d0_xaVW59i+pzKtU2yb1FFMG7CJZgTueJwEO7XmkdYw@mail.gmail.com> +In-Reply-To: <CAH5Bsr1d0_xaVW59i+pzKtU2yb1FFMG7CJZgTueJwEO7XmkdYw@mail.gmail.com> +From: Jeremy Rubin <jeremy.l.rubin@gmail.com> +Date: Sun, 6 Feb 2022 09:56:12 -0800 +Message-ID: <CAD5xwhhL_+wdUboJZ6i-WvJou7LQHq043ELr1ogOq5OH12iuNQ@mail.gmail.com> +Content-Type: multipart/alternative; boundary="000000000000b4f78d05d75d3321" +Cc: Bitcoin Protocol Discussion <bitcoin-dev@lists.linuxfoundation.org>, + dlc-dev@mailmanlists.org +Subject: Re: [bitcoin-dev] CTV dramatically improves DLCs +X-BeenThere: bitcoin-dev@lists.linuxfoundation.org +X-Mailman-Version: 2.1.15 +Precedence: list +List-Id: Bitcoin Protocol Discussion <bitcoin-dev.lists.linuxfoundation.org> +List-Unsubscribe: <https://lists.linuxfoundation.org/mailman/options/bitcoin-dev>, + <mailto:bitcoin-dev-request@lists.linuxfoundation.org?subject=unsubscribe> +List-Archive: <http://lists.linuxfoundation.org/pipermail/bitcoin-dev/> +List-Post: <mailto:bitcoin-dev@lists.linuxfoundation.org> +List-Help: <mailto:bitcoin-dev-request@lists.linuxfoundation.org?subject=help> +List-Subscribe: <https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev>, + <mailto:bitcoin-dev-request@lists.linuxfoundation.org?subject=subscribe> +X-List-Received-Date: Sun, 06 Feb 2022 17:56:26 -0000 + +--000000000000b4f78d05d75d3321 +Content-Type: text/plain; charset="UTF-8" + +I'm not sure what is meant concretely by (5) but I think overall +performance is ok here. You will always have 10mins or so to confirm the +DLC so you can't be too fussy about performance! + + +I mean that if you think of the CIT points as being the X axis (or +independent axes if multivariate) of a contract, the Y axis is the +dependent variable represented by the CTV hashes. + + +For a DLC living inside a lightning channel, which might be updated between +parties e.g. every second, this means you only have to recompute the +cheaper part of the DLC only if you update the payoff curves (y axis) only, +and you only have to update the points whose y value changes. + +For on chain DLCs this point is less relevant since the latency of block +space is larger. + +--000000000000b4f78d05d75d3321 +Content-Type: text/html; charset="UTF-8" +Content-Transfer-Encoding: quoted-printable + +<div dir=3D"auto"><div style=3D"color:rgb(80,0,80);font-size:12.8px" dir=3D= +"auto"><div dir=3D"auto" class=3D"elided-text"><blockquote style=3D"margin:= +0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">= +<div dir=3D"ltr"><div class=3D"elided-text"><div>I'm not sure what is m= +eant concretely by (5) but I think overall performance is ok here. You will= + always have 10mins or so to confirm the DLC so you can't be too fussy = +about performance!<br></div></div></div></blockquote></div><div dir=3D"auto= +"><br></div></div><div dir=3D"auto" style=3D"font-size:12.8px">I mean that = +if you think of the CIT points as being the X axis (or independent axes if = +multivariate) of a contract, the Y axis is the dependent variable represent= +ed by the CTV hashes.=C2=A0</div><div dir=3D"auto" style=3D"font-size:12.8p= +x"><br></div><div dir=3D"auto" style=3D"font-size:12.8px"><br></div><div di= +r=3D"auto" style=3D"font-size:12.8px">For a DLC living inside a lightning c= +hannel, which might be updated between parties e.g. every second, this mean= +s you only have to recompute the cheaper part of the DLC only if you update= + the payoff curves (y axis) only, and you only have to update the points wh= +ose y value changes.</div><div dir=3D"auto" style=3D"font-size:12.8px"><br>= +</div><div dir=3D"auto" style=3D"font-size:12.8px">For on chain DLCs this p= +oint is less relevant since the latency of block space is larger.=C2=A0</di= +v></div> + +--000000000000b4f78d05d75d3321-- + |