From: Peter Todd <pete@petertodd•org>
To: Andy Parkins <andyparkins@gmail•com>,
Andreas Schildbach <andreas@schildbach•de>
Cc: bitcoin-development@lists•sourceforge.net
Subject: Re: [Bitcoin-development] HTTP REST API for bitcoind
Date: Tue, 23 Jul 2013 05:47:03 -0400 [thread overview]
Message-ID: <20130723094703.GA25900@savin> (raw)
In-Reply-To: <201307231030.14139.andyparkins@gmail.com>
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On Tue, Jul 23, 2013 at 10:30:13AM +0100, Andy Parkins wrote:
> One additional URL makes this pretty much perfect:
>
> GET /rest/block-with-tx/TX-HASH
>
> Construction of the transaction-hash-to-block database is something the full
> client's have to do anyway, so this query is no harder than the others for
> them to supply; but suddenly makes it possible for an SPV client to trace the
> providence of any transaction without needing to maintain the entire chain.
On Tue, Jul 23, 2013 at 10:27:19AM +0200, Andreas Schildbach wrote:
> On 07/22/2013 09:42 PM, Jeff Garzik wrote:
>
> > The general goal of the HTTP REST interface is to access
> > unauthenticated, public blockchain information. There is no plan to
> > add wallet interfacing/manipulation via this API.
>
> Is it planned to expose the UXTO set of a given address? That would be
> useful for SPV wallets to be able to swipe a previously unknown private
> key (e.g. paper wallet).
The REST API has nothing to do with SPV clients; it's similar to the RPC
interface and won't be exposed to the network as a whole.
Increasing the resource usage by SPV clients on full nodes is undesirable; we
have a lot of work to do regarding DoS attacks. John Dillon's comments here on
using micro-transactions to compensate full-nodes for maintaining expensive
blockchain indexes are worth reading:
https://github.com/bitcoin/bitcoin/pull/2802#issuecomment-20232958
In any case UTXO data currently requires you to have full trust in
whomever is providing you with it, and that situation will continue
until UTXO commitments are implemented - if they are implemented.
--
'peter'[:-1]@petertodd.org
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next prev parent reply other threads:[~2013-07-23 9:47 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
2013-07-23 10:02 ` Andy Parkins
2013-07-23 10:06 ` Pieter Wuille
2013-07-23 9:47 ` Peter Todd [this message]
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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