BIP 175: Pay to Contract Protocol #586

omarshibli commented at 1:48 PM on September 6, 2017: contributor

This proposal was submitted to the mailing list on August 14th, we got feedback and addressed the concerns, I am now requesting a BIP number.

added Pay to Contract Protocol BIP draft 4ba4fc3f0a

updated draft 3afd4bd57f

christianrolandso commented at 3:10 PM on September 9, 2017: none

Zzzzzzz

Jatupol99 approved

luke-jr added the label New BIP on Sep 16, 2017

in bip-draft.mediawiki:14 in 3afd4bd57f outdated

   9 | +  Status: Draft
  10 | +  Type: Informational Track
  11 | +  Created: 2017-07-17
  12 | +</pre>
  13 | +
  14 | +&ast; 999 is a temporary BIP number.

luke-jr commented at 2:52 AM on September 16, 2017:

Please don't self-assign numbers, even temporarily.

in bip-draft.mediawiki:250 in 3afd4bd57f outdated

 245 | +* [[bip-0044.mediawiki|BIP44 - Multi-Account Hierarchy for Deterministic Wallets]]
 246 | +* [[https://arxiv.org/abs/1212.3257|Homomorphic Payment Addresses and the Pay-to-Contract Protocol]]
 247 | +
 248 | +==Copyright==
 249 | +
 250 | +This document is placed in the public domain.

luke-jr commented at 2:53 AM on September 16, 2017:

See BIP 2 for a list of acceptable licenses.

luke-jr changes_requested

luke-jr commented at 2:53 AM on September 16, 2017: member

A section is needed addressing backward compatibility.

updated license 39a5c1bf7e

removed temp BIP number dd26d81390

added Compatibility 10104eb211

omarshibli commented at 6:41 PM on September 16, 2017: contributor

hey @luke-jr, we addressed your points, please review.

luke-jr commented at 8:16 PM on September 16, 2017: member

By compatibility, I meant more of (whatever the particular case may be; these are examples):

"contracts can be verified separately from the sender's wallet software, and then a normal address is used"
"This is incompatible with multisig P2SH wallets"
"The wallet is assumed to use BIP 43 derivation"

Note that BIP 43 (and even BIP 32 / HD wallets in general) is not universal, and your proposal's connection to them seems unnecessary and pointless. What is the benefit of even doing anything HD-based, since the end key requires non-deterministic metadata (contracts) to find?

Anyhow, let's use BIP 175 for this.

luke-jr renamed this:
~~[New BIP] Pay to Contract Protocol~~
BIP 175: Pay to Contract Protocol
on Sep 16, 2017

update Compatibility 3ff47ff642

omarshibli commented at 8:19 PM on September 16, 2017: contributor

Got it, we will work on clearing this out.

updated BIP number and examples 689fcdb878

updated alias 522a0e88f3

updated compatibility section dd18e39624

omarshibli commented at 8:26 PM on September 18, 2017: contributor

Thanks for your feedback @luke-jr , you are raising a valid point regarding the backward compatibility with BIP32 and other related BIPs, we have updated the BIP accordingly. Regarding your question, I think we need to work better on the motivation section here, but I still see benefit here in using BIP32 derivation mechanism or something similar to derive non-enumerable set as well. I think the main benefit is that ,as you mentioned, BIP32 is not universal in a sense that it only covers use cases where the derivation paths set is an enumerable, yet in our use case we need to derive wallets from a single seed and non-enumerable set.

Much appreciated.

luke-jr commented at 10:27 PM on September 18, 2017: member

When you're ready, don't forget to rename the file and add to README

updated README.md, renamed file 2df903a4a1

fixed number cacc29a91c

omit Track 5d673da3cb

in bip-0175.mediawiki:10 in cacc29a91c outdated

   5 | +  Author: Omar Shibli <omar@commerceblock.com>
   6 | +          Nicholas Gregory <nicholas@commerceblock.com>
   7 | +  Comments-Summary: No comments yet.
   8 | +  Comments-URI: https://github.com/bitcoin/bips/wiki/Comments:BIP-0175
   9 | +  Status: Draft
  10 | +  Type: Informational Track

luke-jr commented at 10:54 PM on September 18, 2017:

drop "Track"

omarshibli commented at 10:55 PM on September 18, 2017:

done

luke-jr merged this on Sep 18, 2017

luke-jr closed this on Sep 18, 2017