Re: [bitcoin-dev] RFC - BIP: URI scheme for Blockchain exploration

From: Btc Drak <btcdrak@gmail•com>
To: Richard Moore <me@ricmoo•com>
Cc: "bitcoin-dev@lists•linuxfoundation.org"
	<bitcoin-dev@lists•linuxfoundation.org>
Subject: Re: [bitcoin-dev] RFC - BIP: URI scheme for Blockchain exploration
Date: Sat, 29 Aug 2015 19:58:23 +0100	[thread overview]
Message-ID: <CADJgMztaJHDrz0+7KLouwZMCz--Za6-2pitmjjYVHG+nJjrG=Q@mail.gmail.com> (raw)
In-Reply-To: <CF21152C-15FA-421C-B369-A9A7DB59865F@ricmoo.com>

What about supporting different networks? What if I want to look up
testnet for example?

blockchain://mainnet/txid/3b95a766d7a99b87188d6875c8484cb2b310b78459b7816d4dfc3f0f7e04281a
blockchain://testnet/txid/3b95a766d7a99b87188d6875c8484cb2b310b78459b7816d4dfc3f0f7e04281a

or

blockchain://txid/3b95a766d7a99b87188d6875c8484cb2b310b78459b7816d4dfc3f0f7e04281a
blockchain://txid/3b95a766d7a99b87188d6875c8484cb2b310b78459b7816d4dfc3f0f7e04281a?network=testnet

On Sat, Aug 29, 2015 at 5:31 PM, Richard Moore via bitcoin-dev
<bitcoin-dev@lists•linuxfoundation.org> wrote:
> I like the idea of having a standard for this, that all explorers (and even
> core, eventually) would understand.
>
> I would recommend 2 changes though. First, using a real URI scheme,
> blockchain:// so that we can just use normal URL parsing libraries. The
> bitcoin: thing leads to additional code to mutate it into a proper URI
> before passing it to URL parsing. And I think it would be fine to include
> the type looking up. For example:
>
> blockchain://blockhash/00000000000000001003e880d500968d51157f210c632e08a652af3576600198
> blockchain://txid/3b95a766d7a99b87188d6875c8484cb2b310b78459b7816d4dfc3f0f7e04281a
> blockchain://block/189000
> blockchain://address/1RicMooMWxqKczuRCa5D2dnJaUEn9ZJyn
>
> I think this would help the URI be more human understandable as well as give
> the explorers the ability to optimize a bit what they are looking for when
> hitting various databases.
>
> A possible future path could also include blockchain://tx/123000/4 for block
> height, tx index... Another possibility could be blockchain://version which
> would return a list of supported paths, version of the BIP supported, etc.
>
> The BIP should also specify little endian searching. I'm not sure, but would
> it also make sense for this BIP to include what the return results should
> look like? Maybe another, related BIP.
>
> RicMoo
>
> Sent from my self-aware iPhone
>
> .·´¯`·.¸¸.·´¯`·.¸¸.·´¯`·.¸¸.·´¯`·.¸¸.·´¯`·.¸><(((º>
>
> Richard Moore ~ Founder
> Genetic Mistakes Software Inc.
> phone: (778) 882-6125
> email: ricmoo@geneticmistakes•com
> www: http://GeneticMistakes.com
>
> On Aug 29, 2015, at 7:48 AM, Marco Pontello via bitcoin-dev
> <bitcoin-dev@lists•linuxfoundation.org> wrote:
>
> Hi!
> My first post here, hope I'm following the right conventions.
> I had this humble idea for a while, so I thought to go ahead and propose
> it.
>
> BIP: XX
> Title: URI scheme for Blockchain exploration
> Author: Marco Pontello
> Status: Draft
> Type: Standards Track
> Created: 29 August 2015
>
> Abstract
> ========
> This BIP propose a simple URI scheme for looking up blocks, transactions,
> addresses on a Blockchain explorer.
>
> Motivation
> ==========
> The purpose of this URI scheme is to enable users to handle all the
> requests for details about blocks, transactions, etc. with their preferred
> tool (being that a web service or a local application).
>
> Currently a Bitcoin client usually point to an arbitrary blockchain
> explorer when the user look for the details of a transaction (es. Bitcoin
> Wallet use BitEasy, Mycelium or Electrum use Blockchain.info, etc.).
> Other times resorting to cut&paste is needed.
> The same happens with posts and messages that reference some particular
> txs or blocks, if they provide links at all.
>
> Specification
> =============
> The URI follow this simple form:
>
> blockchain: <hash/string>
>
> Examples:
>
> blockchain:00000000000000001003e880d500968d51157f210c632e08a652af3576600198
> blockchain:001949
> blockchain:3b95a766d7a99b87188d6875c8484cb2b310b78459b7816d4dfc3f0f7e04281a
>
> Rationale
> =========
> I thought about using some more complex scheme, or adding qualifiers to
> distinguish blocks from txs, but in the end I think that keeping it simple
> should be practical enough. Blockchain explorers can apply the same
> disambiguation rules they are already using to process the usual search
> box.
>
> From the point of view of a wallet developer (or other tool that need to
> show any kind of Blockchain references), using this scheme mean that he
> can simply make it a blockchain: link and be done with it, without having
> to worry about any specific Blockchain explorer or provide a means for the
> user to select one.
>
> Blockchain explorers in turn will simply offer to handle the blockchain:
> URI, the first time the user visit their website, or launch/install the
> application, or even set themselves if there isn't already one.
>
> Users get the convenience of using always their preferred explorer, which
> can be especially handy on mobile devices, where juggling with cut&paste
> is far from ideal.
>
>
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