diff options
| author | Tier Nolan <tier.nolan@gmail.com> | 2017-05-24 11:05:38 +0100 |
|---|---|---|
| committer | bitcoindev <bitcoindev@gnusha.org> | 2017-05-24 10:05:40 +0000 |
| commit | 0b66da931508d5ca4901fca8fb2bd0283efb1e88 (patch) | |
| tree | 47ca7b636928d679a6ad22287d541b54ec4720f3 | |
| parent | 910d235abcfdeae3f8973c0ce73e42ecb89e9aba (diff) | |
| download | pi-bitcoindev-0b66da931508d5ca4901fca8fb2bd0283efb1e88.tar.gz pi-bitcoindev-0b66da931508d5ca4901fca8fb2bd0283efb1e88.zip | |
Re: [bitcoin-dev] Drivechain -- Request for Discussion
| -rw-r--r-- | 5a/a3940ce0df01159406ecc1d0db58de94c2ca43 | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/5a/a3940ce0df01159406ecc1d0db58de94c2ca43 b/5a/a3940ce0df01159406ecc1d0db58de94c2ca43 new file mode 100644 index 000000000..05610c7a3 --- /dev/null +++ b/5a/a3940ce0df01159406ecc1d0db58de94c2ca43 @@ -0,0 +1,178 @@ +Return-Path: <tier.nolan@gmail.com> +Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org + [172.17.192.35]) + by mail.linuxfoundation.org (Postfix) with ESMTPS id 90BE694B + for <bitcoin-dev@lists.linuxfoundation.org>; + Wed, 24 May 2017 10:05:40 +0000 (UTC) +X-Greylist: whitelisted by SQLgrey-1.7.6 +Received: from mail-oi0-f50.google.com (mail-oi0-f50.google.com + [209.85.218.50]) + by smtp1.linuxfoundation.org (Postfix) with ESMTPS id 3B54F1FC + for <bitcoin-dev@lists.linuxfoundation.org>; + Wed, 24 May 2017 10:05:40 +0000 (UTC) +Received: by mail-oi0-f50.google.com with SMTP id w10so235566492oif.0 + for <bitcoin-dev@lists.linuxfoundation.org>; + Wed, 24 May 2017 03:05:40 -0700 (PDT) +DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; + h=mime-version:in-reply-to:references:from:date:message-id:subject:cc; + bh=0xKNJFfDr6aqNvHIQGYUZxI4QK7vydAI/4wiyFI/oXY=; + b=Y0H5BXO16kSHxzvMTMvPi9OCr326xFgXMrO8JYC16/rShu5S686X1xyR3tycHyZbXU + MXsJGhIwu4eAqTjM9R8x8qZTQTzi0gIJK3Oc4rv48y0JPdl+oiSprtOshbrddBZJ9UDC + 4/XJg7lqPcTST4pYIXkWyWKHAkqu/mpDTnWYpVloY0LF4cAzQkBmE9OkzLxEVjKeuxem + qs8wUM2tCi6cACTYew0URKI4/NQ5YnbIBO3gWYP5eY8uABrh330KbcP4+ciM0FeX1rjF + kOvZfJZqmNX6HOIiDE99wPN8JUUfJQbYIpepLtWJS4WBKFj/jfgjLFIYJncO7Oth1lo2 + Dhnw== +X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; + d=1e100.net; s=20161025; + h=x-gm-message-state:mime-version:in-reply-to:references:from:date + :message-id:subject:cc; + bh=0xKNJFfDr6aqNvHIQGYUZxI4QK7vydAI/4wiyFI/oXY=; + b=ZhfYgXvssBsIZGRZ6B1XLhPTdaBhtXJACOoEyMegdjvKUz+LfIpivxtfC06YX0U0Qj + 1jHnn4z0c4owRnrH4f/q2A638Z0Pma23BHPeMtFrY1+q2SVbcA/XRFjVd73h4IY8+Abf + Qs1p9EgXKPBDSC5f2XlwlHVkNkdZHJimSWS4qln8oIfgMpyRhOZjwEpqYmXI4Z7u0iii + HRjzXLkgBSUF5/xcwpYOlyEPi7HzBLH2zpLt8GZXWU7UPQn31M33DeQEM7esahEgp13w + NBV7YuHrljAg8KyJG+5e3M/tDgdv5pEcrrmLMpbmaiUbPif1AKDkmte4uwAie6QLcHUt + supA== +X-Gm-Message-State: AODbwcALLnnc68pkFAsdYHAV8jR8NzplU+Q57189xOm+5XbIcb+we99j + 6V0YtkvjYvXh+QL6fIFhUmmmud8BmQRQ +X-Received: by 10.202.214.133 with SMTP id n127mr17511096oig.205.1495620339406; + Wed, 24 May 2017 03:05:39 -0700 (PDT) +MIME-Version: 1.0 +Received: by 10.74.100.89 with HTTP; Wed, 24 May 2017 03:05:38 -0700 (PDT) +In-Reply-To: <CAE-z3OXY2YiQ5fzxZBw4FooRsUzXricHmpv_+t+HbTf0MxP0kg@mail.gmail.com> +References: <24f2b447-a237-45eb-ef9f-1a62533fad5c@gmail.com> + <dhstGQudLBiwjDlaRrmMfy-ixwvXcwMr1CzCkPKh285RLICGZixkbdwpTDc2Sgz8eYIqSem8lwxW6QeJCD7aFfwQjLDnZ2NmOw0Zzd-KgSs=@protonmail.com> + <CA+XQW1jZpJ9wnEg47fouyywL09=_vU8dMP3owkkuNqRvzTZUDg@mail.gmail.com> + <CAE-z3OUYuAXE2+h60A=r4UyGU4CSQuF98oFgHnD7iaj-=Z=yOw@mail.gmail.com> + <CA+XQW1hRhcxJBoOJ57YG0t5y5j1Qm3RO4wr2eXV5V-UzDaiPPw@mail.gmail.com> + <CAE-z3OVWXN58X-+nAFTm61G1=v_1xrniyrBy8x=VRG4N149aXQ@mail.gmail.com> + <141a0cd1-9d4f-c137-a349-17248f9cafd4@gmail.com> + <CAE-z3OXY2YiQ5fzxZBw4FooRsUzXricHmpv_+t+HbTf0MxP0kg@mail.gmail.com> +From: Tier Nolan <tier.nolan@gmail.com> +Date: Wed, 24 May 2017 11:05:38 +0100 +Message-ID: <CAE-z3OXLb0QOjACfvToxf9TfLJhBHiboAaieLA4V9gx6V4CjoQ@mail.gmail.com> +Cc: Bitcoin Dev <bitcoin-dev@lists.linuxfoundation.org> +Content-Type: multipart/alternative; boundary="001a113de2160c9de80550423f35" +X-Spam-Status: No, score=-0.5 required=5.0 tests=BAYES_00,DKIM_SIGNED, + DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FROM,HTML_MESSAGE,MISSING_HEADERS, + RCVD_IN_DNSWL_NONE,RCVD_IN_SORBS_SPAM autolearn=no version=3.3.1 +X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on + smtp1.linux-foundation.org +Subject: Re: [bitcoin-dev] Drivechain -- Request for Discussion +X-BeenThere: bitcoin-dev@lists.linuxfoundation.org +X-Mailman-Version: 2.1.12 +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: Wed, 24 May 2017 10:05:40 -0000 + +--001a113de2160c9de80550423f35 +Content-Type: text/plain; charset="UTF-8" + +On Wed, May 24, 2017 at 9:50 AM, Tier Nolan <tier.nolan@gmail.com> wrote: + +> OP_BRIBE_VERIFY could then operate as follows +> +> <block height> <sidechain_id> <critical hash> OP_BRIBE_VERIFY +> +> This causes the script to fail if +> <block height> does not match the block height, or +> <critical hash> is not the hash for the sidechain with <sidechain_id>, or +> there is no hash for that sidechain in the block's coinbase +> +> +I was thinking more on the process for these transactions. + +I assume that the process is + +- sidechain miner broadcasts transaction with OP_BRIBE output +- this transaction ends up in the memory pool of miners +- Miners add the transaction to their next block +- Miners add a transaction which spends the output to one of their own +addresses + +I think you need an additional rule that OP_BRIBE checks fails unless the +output is locked 100 or more blocks. + +The output script would end up something like + +IF + <block height> <chain_id> <critical hash> OP_BRIBE_VERIFY +ELSE + <public key> OP_CHECKSIG +ENDIF + +This output acts like "anyone can spend" for the one block height. +Otherwise, only the sidechain miner can spend the output. + +This allows the sidechain miner to reclaim their coins if the transaction +ends up in a different block. + +OP_BRIBE_VERIFY would have an additional rule + +The script to fails if + one or more of the transaction outputs start with something other than +the template + <block height> does not match the block height, or + <critical hash> is not the hash for the sidechain with <sidechain_id>, or + there is no hash for that sidechain in the block's coinbase + +The template is + <100> OP_CHECKSEQUENCE_VERIFY + +--001a113de2160c9de80550423f35 +Content-Type: text/html; charset="UTF-8" +Content-Transfer-Encoding: quoted-printable + +<div dir=3D"ltr"><div class=3D"gmail_extra"><div class=3D"gmail_quote">On W= +ed, May 24, 2017 at 9:50 AM, Tier Nolan <span dir=3D"ltr"><<a href=3D"ma= +ilto:tier.nolan@gmail.com" target=3D"_blank">tier.nolan@gmail.com</a>></= +span> wrote:<br><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0= +px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir= +=3D"ltr"><div class=3D"gmail_extra"><div class=3D"gmail_quote">OP_BRIBE_VER= +IFY could then operate as follows<br><br></div><div class=3D"gmail_quote">&= +lt;block height> <sidechain_id> <critical hash> OP_BRIBE_VER= +IFY<br><br></div><div class=3D"gmail_quote">This causes the script to fail = +if<br></div><div class=3D"gmail_quote">=C2=A0 <block height> does not= + match the block height, or<br></div><div class=3D"gmail_quote">=C2=A0 <= +critical hash> is not the hash for the sidechain with <sidechain_id&g= +t;, or<br></div><div class=3D"gmail_quote">=C2=A0 there is no hash for that= + sidechain in the block's coinbase<br><br></div></div></div></blockquot= +e><div><br></div></div>I was thinking more on the process for these transac= +tions.<br><br></div><div class=3D"gmail_extra">I assume that the process is= +<br><br></div><div class=3D"gmail_extra">- sidechain miner broadcasts trans= +action with OP_BRIBE output<br></div><div class=3D"gmail_extra">- this tran= +saction ends up in the memory pool of miners<br></div><div class=3D"gmail_e= +xtra">- Miners add the transaction to their next block<br></div><div class= +=3D"gmail_extra">- Miners add a transaction which spends the output to one = +of their own addresses<br><br></div><div class=3D"gmail_extra">I think you = +need an additional rule that OP_BRIBE checks fails unless the output is loc= +ked 100 or more blocks.<br><br></div><div class=3D"gmail_extra">The output = +script would end up something like<br><br></div><div class=3D"gmail_extra">= +IF<br></div><div class=3D"gmail_extra">=C2=A0=C2=A0 <block height> &l= +t;chain_id> <critical hash> OP_BRIBE_VERIFY<br></div><div class=3D= +"gmail_extra">ELSE<br></div><div class=3D"gmail_extra">=C2=A0 <public ke= +y> OP_CHECKSIG<br></div><div class=3D"gmail_extra">ENDIF<br><br></div><d= +iv class=3D"gmail_extra">This output acts like "anyone can spend"= + for the one block height.=C2=A0 Otherwise, only the sidechain miner can sp= +end the output.<br></div><div class=3D"gmail_extra"><br>This allows the sid= +echain miner to reclaim their coins if the transaction ends up in a differe= +nt block.<br><br></div><div class=3D"gmail_extra">OP_BRIBE_VERIFY would hav= +e an additional rule<br><br><div class=3D"gmail_quote">The script to fails = +if<br></div><div class=3D"gmail_quote">=C2=A0 one or more of the transactio= +n outputs start with something other than the template<br></div><div class= +=3D"gmail_quote">=C2=A0 <block height> does not match the block heigh= +t, or<br></div><div class=3D"gmail_quote">=C2=A0 <critical hash> is n= +ot the hash for the sidechain with <sidechain_id>, or<br></div>=C2=A0= + there is no hash for that sidechain in the block's coinbase<br><br></d= +iv><div class=3D"gmail_extra">The template is<br></div><div class=3D"gmail_= +extra">=C2=A0 <100> OP_CHECKSEQUENCE_VERIFY<br></div></div> + +--001a113de2160c9de80550423f35-- + |