From: Stefan Thomas <moon@justmoon•de>
To: bitcoin-development@lists•sourceforge.net
Subject: Re: [Bitcoin-development] script tests - invalid script in script_valid.json?
Date: Sun, 29 Jul 2012 18:33:25 +0200 [thread overview]
Message-ID: <501565D5.4060608@justmoon.de> (raw)
In-Reply-To: <1343579466.30862.YahooMailNeo@web121004.mail.ne1.yahoo.com>
OP_WITHIN is lower-bound-inclusive, but upper bound exclusive, so 1 0 1 WITHIN is false.
bool fValue = (bn2 <= bn1 && bn1 < bn3);
https://github.com/bitcoin/bitcoin/blob/master/src/script.cpp#L854
On 7/29/2012 6:31 PM, Amir Taaki wrote:
> Hi!
>
> Is this a valid script?
>
> ["1 0 1", "WITHIN NOT"]
>
> The first value (1) is tested to make sure it is between the lower (0) and upper (1) value. This evaluates to true, placing on the stack a single byte of [01]. NOT then inverses this to a 0 byte false value of [].
>
> What am I missing here?
>
> Thanks
>
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next prev parent reply other threads:[~2012-07-29 16:33 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-29 16:31 Amir Taaki
2012-07-29 16:33 ` Stefan Thomas [this message]
2012-07-29 16:42 ` Amir Taaki
2012-07-29 17:35 ` Stefan Thomas
2012-07-29 18:48 ` Jeff Garzik
2012-07-30 0:52 ` Gavin Andresen
2012-07-30 14:41 ` Amir Taaki
2012-07-31 14:26 ` Pieter Wuille
2012-07-31 14:39 ` Matt Corallo
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