1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
|
Return-Path: <pete@petertodd.org>
Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org
[172.17.192.35])
by mail.linuxfoundation.org (Postfix) with ESMTPS id 5E66C1D12
for <bitcoin-dev@lists.linuxfoundation.org>;
Tue, 6 Oct 2015 11:09:36 +0000 (UTC)
X-Greylist: from auto-whitelisted by SQLgrey-1.7.6
Received: from outmail148161.authsmtp.com (outmail148161.authsmtp.com
[62.13.148.161])
by smtp1.linuxfoundation.org (Postfix) with ESMTP id 824A2A0
for <bitcoin-dev@lists.linuxfoundation.org>;
Tue, 6 Oct 2015 11:09:35 +0000 (UTC)
Received: from mail-c235.authsmtp.com (mail-c235.authsmtp.com [62.13.128.235])
by punt15.authsmtp.com (8.14.2/8.14.2/) with ESMTP id t96B9OT9046240;
Tue, 6 Oct 2015 12:09:24 +0100 (BST)
Received: from muck ([176.6.11.182]) (authenticated bits=128)
by mail.authsmtp.com (8.14.2/8.14.2/) with ESMTP id t96B9IGG005843
(version=TLSv1/SSLv3 cipher=DHE-RSA-AES128-SHA bits=128 verify=NO);
Tue, 6 Oct 2015 12:09:21 +0100 (BST)
Date: Tue, 6 Oct 2015 13:09:18 +0200
From: Peter Todd <pete@petertodd.org>
To: Mark Friedenbach <mark@friedenbach.org>
Message-ID: <20151006110917.GA10136@muck>
References: <20151003143056.GA27942@muck> <20151004083525.GA18291@navy>
<561115C0.3080601@sky-ip.org>
<CAPWm=eUiXAagzasLmKQWRT5EKnMxfeiv6J7M9mm+MhDzG_VwQg@mail.gmail.com>
<CAOG=w-uEwwDGA3_RF1Epp=xLG7rS4y2O7f9EOfAUa1hAiWkLGQ@mail.gmail.com>
MIME-Version: 1.0
Content-Type: multipart/signed; micalg=pgp-sha256;
protocol="application/pgp-signature"; boundary="rwEMma7ioTxnRzrJ"
Content-Disposition: inline
In-Reply-To: <CAOG=w-uEwwDGA3_RF1Epp=xLG7rS4y2O7f9EOfAUa1hAiWkLGQ@mail.gmail.com>
X-Server-Quench: b2e699bd-6c1a-11e5-b39a-002590a15da7
X-AuthReport-Spam: If SPAM / abuse - report it at:
http://www.authsmtp.com/abuse
X-AuthRoute: OCd2Yg0TA1ZNQRgX IjsJECJaVQIpKltL GxAVKBZePFsRUQkR
bgdMdgQUF1YAAgsB AmMbWlZeUFR7W2A7 ag1XcwNDY0tQXg1o
T01BRU1TWkFhB24I f2lpUhl3fwFFNn9w ZE5iECJZCUJzfBQp
X0gHFDwbZGY1bX1N U0kJagNUcgZDfk5E bwQuUz1vNG8XDSg5
AwQ0PjZ0MThBHWx+ YiwmDmk/eHsmOBUR eT04PBseVQhNeCh7
KRErJhYZG1wcelgp PFAoQl8DewMVaEVb GF1MHiZFKhEdRydj BgNTW0ETeAAA
X-Authentic-SMTP: 61633532353630.1023:706
X-AuthFastPath: 0 (Was 255)
X-AuthSMTP-Origin: 176.6.11.182/587
X-AuthVirus-Status: No virus detected - but ensure you scan with your own
anti-virus system.
X-Spam-Status: No, score=-2.6 required=5.0 tests=BAYES_00,RCVD_IN_DNSWL_LOW
autolearn=ham version=3.3.1
X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on
smtp1.linux-foundation.org
Cc: Bitcoin Dev <bitcoin-dev@lists.linuxfoundation.org>,
Anthony Towns <aj@erisian.com.au>
Subject: Re: [bitcoin-dev] CHECKSEQUENCEVERIFY - We need more usecases to
motivate the change
X-BeenThere: bitcoin-dev@lists.linuxfoundation.org
X-Mailman-Version: 2.1.12
Precedence: list
List-Id: Bitcoin Development 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: Tue, 06 Oct 2015 11:09:36 -0000
--rwEMma7ioTxnRzrJ
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
Content-Transfer-Encoding: quoted-printable
On Mon, Oct 05, 2015 at 05:19:06PM -0700, Mark Friedenbach via bitcoin-dev =
wrote:
> Alex, decreasing granularity is a soft-fork, increasing is a hard-fork.
> Therefore I've kept the highest possible precision (1 second, 1 block) wi=
th
> the expectation that at some point in the future if we need more low-order
> bits we can soft-fork them to other purposes, we can decrease granularity
> at that time.
You should write that up in the BIP, along with a description of how
exactly that would go; I suspect the most obvious way of dong that
upgrade - just increase precision for everyone - would break
compatbility too much to be practical.
--=20
'peter'[:-1]@petertodd.org
000000000000000010734953ce486a820b6f7907e879b1b6e30fccf603098bef
--rwEMma7ioTxnRzrJ
Content-Type: application/pgp-signature; name="signature.asc"
Content-Description: Digital signature
-----BEGIN PGP SIGNATURE-----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==
=vYP2
-----END PGP SIGNATURE-----
--rwEMma7ioTxnRzrJ--
|
