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authorPieter Wuille <pieter.wuille@gmail.com>2015-05-13 13:31:06 -0700
committerbitcoindev <bitcoindev@gnusha.org>2015-05-13 20:31:12 +0000
commitff2d3a6d6c3b8935a7ead317a87609ebfc71ce4f (patch)
treea6e97ea2c36017bbe4cdd88a36e4b2746a32ba79
parent9b7c5f0e2f51036589a42fce9281d849285136f2 (diff)
downloadpi-bitcoindev-ff2d3a6d6c3b8935a7ead317a87609ebfc71ce4f.tar.gz
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Re: [Bitcoin-development] [BIP] Normalized Transaction IDs
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+Date: Wed, 13 May 2015 13:31:06 -0700
+Message-ID: <CAPg+sBixpKQfsazHyhiF60HYTk9_U0aBAqU=4P+R+HDMA2jWKg@mail.gmail.com>
+From: Pieter Wuille <pieter.wuille@gmail.com>
+To: Tier Nolan <tier.nolan@gmail.com>
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+Cc: Bitcoin Dev <bitcoin-development@lists.sourceforge.net>
+Subject: Re: [Bitcoin-development] [BIP] Normalized Transaction IDs
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+On Wed, May 13, 2015 at 1:27 PM, Tier Nolan <tier.nolan@gmail.com> wrote:
+
+> After more thought, I think I came up with a clearer description of the
+> recursive version.
+>
+> The simple definition is that the hash for the new signature opcode should
+> simply assume that the normalized txid system was used since the
+> beginning. All txids in the entire blockchain should be replaced with the
+> "correct" values.
+>
+> This requires a full re-index of the blockchain. You can't work out what
+> the TXID-N of a transaction is without knowning the TXID-N of its parents,
+> in order to do the replacement.
+>
+> The non-recursive version can only handle refunds one level deep.
+>
+
+This was what I was suggesting all along, sorry if I wasn't clear.
+
+--
+Pieter
+
+--001a1137a5049140130515fc7db5
+Content-Type: text/html; charset=ISO-8859-1
+Content-Transfer-Encoding: quoted-printable
+
+<div dir=3D"ltr">On Wed, May 13, 2015 at 1:27 PM, Tier Nolan <span dir=3D"l=
+tr">&lt;<a href=3D"mailto:tier.nolan@gmail.com" target=3D"_blank">tier.nola=
+n@gmail.com</a>&gt;</span> wrote:<br><div class=3D"gmail_extra"><div class=
+=3D"gmail_quote"><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8=
+ex;border-left:1px #ccc solid;padding-left:1ex"><div dir=3D"ltr"><div>After=
+ more thought, I think I came up with a clearer description of the recursiv=
+e version.<br><br>The simple definition is that the hash for the new signat=
+ure opcode should simply assume that the normalized txid system was used si=
+nce the beginning.=A0 All txids in the entire blockchain should be replaced=
+ with the &quot;correct&quot; values.<br><br>This requires a full re-index =
+of the blockchain.=A0 You can&#39;t work out=20
+what the TXID-N of a transaction is without knowning the TXID-N of its=20
+parents, in order to do the replacement.<br><br>The non-recursive version c=
+an only handle refunds one level deep.<br></div></div></blockquote><div><br=
+></div><div>This was what I was suggesting all along, sorry if I wasn&#39;t=
+ clear.<br><br>-- <br></div><div>Pieter<br>=A0<br></div></div></div></div>
+
+--001a1137a5049140130515fc7db5--
+
+