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From: William Casarin <jb55@jb55.com>
To: Achow101 <achow101-lists@achow101.com>,
	Bitcoin Protocol Discussion
	<bitcoin-dev@lists.linuxfoundation.org>
Subject: Re: [bitcoin-dev] BIP 174 thoughts
Date: Sat, 23 Jun 2018 10:00:18 -0700	[thread overview]
Message-ID: <87zhzlbfq5.fsf@jb55.com> (raw)
In-Reply-To: <ljk5Z_a3KK6DHfmPJxI8o9W2CkwszkUG34h0i1MTGU4ss8r3BTQ3GnTtDTfWF6J7ZqcSAmejzrr11muWqYN-_wnWw_0NFn5_lggNnjI0_Rc=@achow101.com>

Achow101 via bitcoin-dev <bitcoin-dev@lists.linuxfoundation.org> writes:

> I have decided that PSBTs should either be in binary or encoded as a
> Base64 string. For the latter, several Bitcoin clients already support
> Base64 encoding of data (for signed messages) so this will not add any
> extra dependencies like Z85 would.

Since we're still considering the encoding, I wonder if it would be a
good idea to have a human-readible part like lightning invoices[1]?

lightning invoice 

  vvvvvv
  lnbc1pvjluezpp5qqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqypqdpl2pkx2ctnv5sxxmmwwd5kgetjypeh2ursdae8g6twvus8g6rfwvs8qun0dfjkxaq8rkx3yf5tcsyz3d73gafnh3cax9rn449d9p5uxz9ezhhypd0elx87sjle52x86fux2ypatgddc6k63n7erqz25le42c4u4ecky03ylcqca784w

psbt?

  vvvv
  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

Then perhaps you could drop the magic code as well?

Also we could do a base encoding that excludes + and / characters, such
as base62 (gmp-style). It's easier to copy/paste (double clicking a
string stops at / or + in base64 encodings).

example human readible part + base62

  psbtWzecLNK5WdwZyceXUYVo0E1TqgLWF0jRXsrLnsuGifjOJl5QHEaaeQbfHfzvbYH85uhUUvpfNc2RYnBqM9E4UqOjzRzDg4QGypL2bxoEsUmmAqOC7nRoN8SuftftuFBI9YabFjVZC9ykOIuJaMzanmKHxnhuh55Hh4mxpwDsvkGFHEHzYHJfkIAiaCEmpdxVBD3qvXNlspDwLKkssUlmDjH7X9zCGyTBE90XvwNdrwM63Q4T45GQbe3c4oQlzCnJuHf5FLnH2oR70hgxIoM01af35iJpZRZAGITtdnKvm9PbH3huEf7TXTzXuNLB9XFh50UlGvnPKcIfFHvgzTSqeN3NmXdzPzsNSRY83BnfHFtTIZnczIyDi5oWsi0sL8f5ABUqGHD61GXDXJGcsqWOjiW6zjhz1L2IKN6OdSVGBFf7C7gH2EYvkWJcKYcJ34gBGsLuXYCU8vzauxEYXXlOXohQ1qKj6Eb0DqOyroRD57uw9fG1e3ueCGlBKmyTI4z4Q1JQXSuLYzBGPlBpVuSZmDBUe28b1EVetJbP9rQ5r6aKsuNX1GToXq1KY5Xh5hsMixJ2o8kG8IBKQSZBRaxjiVEQDWoN3FED869vNHiQtgSLjbqQFZRJuDK0UTMfQCtcg7NdYulPxbUYFNF5Ug6wCvWrTpX1SdbDgGOqZel4ibM18fk9uSIIVDFK9XbenLH3NBOKj0hkxgvrbICZMWBc8GW78TLV4acO75tFBt4a4ziH0wztWGbEEGIAZTDaGmJ51omiRNUVfIX6fO9CeN3Nx3c7Ja2hAjMqQcYcKHEK8tFtLuUdR2jqLuGXOPV4gsqJb8TdkKGEZaA0RRqwHm6HG86OCOEGYqptt43iljv52qkh4znyekJI2mYPItcaw11tsxHaRQcs8Us9Ehlbf6ngmIW6tlo

base64: 920 bytes
base62: 927 bytes

Cheers,


[1] https://github.com/lightningnetwork/lightning-rfc/blob/master/11-payment-encoding.md#human-readable-part


--
https://jb55.com


  reply	other threads:[~2018-06-23 17:06 UTC|newest]

Thread overview: 55+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-06-15 23:34 [bitcoin-dev] BIP 174 thoughts Pieter Wuille
2018-06-16 15:00 ` Peter D. Gray
2018-06-19  9:38 ` Jonas Schnelli
2018-06-19 14:20 ` matejcik
2018-06-19 15:20   ` Jonas Schnelli
2018-06-21 20:28     ` Peter D. Gray
2018-06-19 17:16   ` Pieter Wuille
2018-06-21 11:29     ` matejcik
2018-06-21 17:39       ` Pieter Wuille
2018-06-21 11:44     ` Tomas Susanka
2018-06-19 14:22 ` matejcik
2018-06-21  0:39 ` Achow101
2018-06-21 14:32   ` Tomas Susanka
2018-06-21 15:40     ` Greg Sanders
2018-06-21 19:56     ` Peter D. Gray
2018-06-21 21:39       ` Gregory Maxwell
2018-06-22 19:10       ` Pieter Wuille
2018-06-22 22:28         ` Achow101
2018-06-23 17:00           ` William Casarin [this message]
2018-06-23 20:33             ` Andrew Chow
2018-06-24  8:19               ` Andrea
2018-06-24  8:28                 ` Andrew Chow
2018-06-24  9:00                   ` Andrea
2018-06-23 18:27           ` Peter D. Gray
2018-06-25 19:47           ` Tomas Susanka
2018-06-25 20:10             ` Jonas Schnelli
2018-06-25 20:30             ` Achow101
2018-06-26 15:33               ` matejcik
2018-06-26 16:58                 ` William Casarin
2018-06-26 17:11                   ` Marek Palatinus
2018-06-27 14:11                   ` matejcik
2018-06-26 20:30                 ` Pieter Wuille
2018-06-27 14:04                   ` matejcik
2018-06-27 15:06                     ` Pieter Wuille
2018-06-29  9:53                       ` matejcik
2018-06-29 19:12                         ` Achow101
2018-06-29 20:31                           ` Peter D. Gray
2018-07-04 13:19                           ` matejcik
2018-07-04 18:35                             ` Achow101
2018-07-05 17:23                               ` Jason Les
2018-07-04 19:09                             ` Pieter Wuille
2018-07-05 11:52                               ` matejcik
2018-07-05 22:06                                 ` Pieter Wuille
2018-07-10 12:10                                   ` matejcik
2018-07-11 18:27                                     ` Pieter Wuille
2018-07-11 20:05                                       ` Gregory Maxwell
2018-07-11 20:54                                         ` [bitcoin-dev] BIP 174 thoughts on graphics vv01f
2018-06-26 21:56                 ` [bitcoin-dev] BIP 174 thoughts Achow101
2018-06-27  6:09                   ` William Casarin
2018-06-27 13:39                     ` Andrea
2018-06-27 17:55                     ` Achow101
2018-06-28 20:42                       ` Rodolfo Novak
2018-07-05 19:20                       ` William Casarin
2018-07-06 18:59                         ` Achow101
2018-06-20  0:39 Jason Les

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