From: Luke Dashjr <luke@dashjr•org>
To: Peter Todd <pete@petertodd•org>
Cc: bitcoin-development@lists•sourceforge.net
Subject: Re: [Bitcoin-development] [BIP draft] CHECKLOCKTIMEVERIFY - Prevent a txout from being spent until an expiration time
Date: Thu, 2 Oct 2014 00:55:36 +0000 [thread overview]
Message-ID: <201410020055.37347.luke@dashjr.org> (raw)
In-Reply-To: <CE356B97-E5AC-4A04-B67C-A542D070F1C5@petertodd.org>
On Thursday, October 02, 2014 12:05:15 AM Peter Todd wrote:
> On 1 October 2014 11:23:55 GMT-07:00, Luke Dashjr <luke@dashjr•org> wrote:
> >Thoughts on some way to have the stack item be incremented by the
> >height at
> >which the scriptPubKey was in a block?
>
> Better to create a GET-TXIN-BLOCK-(TIME/HEIGHT)-EQUALVERIFY operator.
> scriptPubKey would be:
> GET-TXIN-BLOCKHEIGHT-EQUALVERIFY
> (fails unless top stack item is equal to the txin block height)
> <delta height> ADD
> (top stack item is now txin height + delta height)
> CHECKLOCKTIMEVERIFY
This sounds do-able, although it doesn't address using timestamps.
> > A limitation of encoding the target
> >height/time directly, is that miners may choose not to mine the first
> >transaction until they can also take the "burn to fee". So, one may
> >prefer to
> >say "cannot be spent until 100 blocks after the first transaction is
> >mined",
> >in effect reproducing the generation maturity rule.
>
> You'd want these sacrifices to unlock years into the future to thoroughly
> exceed any reasonable business cycle; that's so far into the future that
> miners are almost certain to just mine them and collect the fees.
For many use cases, short maturity periods are just as appropriate IMO.
Luke
next prev parent reply other threads:[~2014-10-02 0:55 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-01 13:08 Peter Todd
2014-10-01 15:01 ` Gavin Andresen
2014-10-02 1:06 ` Peter Todd
2014-10-01 15:29 ` Sergio Lerner
2014-10-01 17:06 ` Peter Todd
2014-10-01 18:23 ` Luke Dashjr
2014-10-01 20:58 ` Gavin Andresen
2014-10-01 21:04 ` Alan Reiner
2014-10-01 21:34 ` Gavin Andresen
2014-10-02 0:12 ` Peter Todd
2014-10-02 0:05 ` Peter Todd
2014-10-02 0:55 ` Luke Dashjr [this message]
2014-10-02 1:09 ` Peter Todd
2014-10-02 15:05 ` Flavien Charlon
2014-10-03 14:28 ` Matt Whitlock
2014-10-03 14:30 ` Matt Whitlock
2014-10-03 16:17 ` Gregory Maxwell
2014-10-03 17:50 ` Luke Dashjr
2014-10-03 20:58 ` Mike Hearn
2014-10-03 23:12 ` Jeff Garzik
2014-10-04 0:38 ` Peter Todd
2014-10-04 12:58 ` Mike Hearn
2014-10-07 15:50 ` Gavin Andresen
2014-10-07 16:08 ` Mike Hearn
2014-10-08 10:26 ` Wladimir
2014-10-09 3:13 ` Alan Reiner
2014-10-09 6:14 ` Adam Back
2014-10-09 6:28 ` Gregory Maxwell
2014-10-09 6:33 ` Peter Todd
2014-10-09 6:40 ` Gregory Maxwell
2014-10-08 4:07 ` Tom Harding
2014-10-08 10:15 ` Mike Hearn
2015-03-16 22:22 ` [Bitcoin-development] Relative CHECKLOCKTIMEVERIFY (was CLTV proposal) Matt Corallo
2015-03-19 17:39 ` Zooko Wilcox-OHearn
2015-04-21 7:59 ` Peter Todd
2015-04-26 11:35 ` Jorge Timón
2015-04-26 12:20 ` Jorge Timón
2015-04-27 19:35 ` Peter Todd
2015-04-28 7:44 ` Jorge Timón
2015-05-04 2:15 ` Matt Corallo
2015-05-04 11:24 ` Jorge Timón
2015-05-05 0:41 ` Btc Drak
2015-05-05 19:19 ` Jorge Timón
2015-05-05 20:38 ` Tier Nolan
2015-05-06 7:37 ` Jorge Timón
2015-05-06 22:09 ` Tier Nolan
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