From: Pieter Wuille <pieter.wuille@gmail•com>
To: Andy Parkins <andyparkins@gmail•com>
Cc: Bitcoin Dev <bitcoin-development@lists•sourceforge.net>
Subject: Re: [Bitcoin-development] HTTP REST API for bitcoind
Date: Tue, 23 Jul 2013 11:56:02 +0200 [thread overview]
Message-ID: <CAPg+sBgwnCOeehv8V7dhNUmfB9jiSc9zSL1CeBOnHELyNwSFHA@mail.gmail.com> (raw)
In-Reply-To: <201307231052.14210.andyparkins@gmail.com>
On Tue, Jul 23, 2013 at 11:52 AM, Andy Parkins <andyparkins@gmail•com> wrote:
>> There is actually no such index being maintained by default, and doing so
>> is an unnecessary burden IMHO (you need to enable -txindex since 0.8 to
>> get this). Of course, if enabled, it can be exposed.
>
> Wow. I'm surprised at that. How does a newly received transaction have its
> inputs verified then? Multiple linear brute force searches of the block chain
> for every new transaction? Or is it that transactions are only recorded if
> they were in a block, and just their presence indicates they're valid?
The block chain is not involved at all to verify transactions, it's
just a historical
record to serve to other nodes, and to do wallet rescans with.
For validation, a separate database with just unspent transaction
outputs is used (around 230 MB now).
--
Pieter
next prev parent reply other threads:[~2013-07-23 9:56 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-22 19:42 Jeff Garzik
2013-07-22 22:06 ` Michael Hendricks
2013-07-23 8:27 ` Andreas Schildbach
2013-07-23 8:45 ` Michael Gronager
2013-07-23 9:37 ` Pieter Wuille
2013-07-23 9:53 ` Michael Gronager
2013-07-23 10:17 ` Andreas Schildbach
2013-07-23 10:27 ` Pieter Wuille
2013-07-23 9:30 ` Andy Parkins
2013-07-23 9:42 ` Pieter Wuille
2013-07-23 9:52 ` Andy Parkins
2013-07-23 9:56 ` Pieter Wuille [this message]
2013-07-23 10:02 ` Andy Parkins
2013-07-23 10:06 ` Pieter Wuille
2013-07-23 9:47 ` Peter Todd
2013-07-23 10:00 ` Andy Parkins
2013-07-23 10:17 ` Peter Todd
2013-07-23 11:45 ` Andy Parkins
2013-07-23 10:19 ` Pieter Wuille
2013-07-23 10:29 ` Andreas Schildbach
2013-07-23 10:36 ` Pieter Wuille
2013-07-23 15:48 ` Michael Hendricks
2013-07-23 19:36 ` Mark Friedenbach
2013-08-10 20:30 ` Rune Kjær Svendsen
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