--- Log opened Sat Mar 25 00:00:20 2023
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07:49 < bitcoin-git> [bitcoin] martinus opened pull request #27331: refactor: extract CCheckQueue's data handling into a separate container "Bag" (master...2023-03-bag) https://github.com/bitcoin/bitcoin/pull/27331
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15:05 < andytoshi> does bitcoin core do the "Master key generation" described in BIP 32 anywhere?
15:07 < andytoshi> oh, i found it
15:07 < andytoshi> i was searching for 'Bitcoin seed' but the code uses  {'B','i','t','c','o','i','n',' ','s','e','e','d'}
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15:48 < sipa> I think because once upon a time, I didn't want to use a C string that'd use another byte of memory to store the zero terminator...
15:49 < andytoshi> i suspect it's a bit more subtle ... if you do `unsigned char s[8s = "bitcoin";` it'll include the terminator. if you do `unsigned char s[7] = "bitcoin"` it'll silently chop it off .. if you do `unsigned char s[] = "bitcoin"` it'll include it, same as [8]
15:50 < andytoshi> and i think, if you want to avoid the terminating 0, it's much clearer to do what you did
15:50 < andytoshi> than to rely on this insane "lol your string is not actually null-terminated" behavior that you need to count characters manually to verify
15:51 < andytoshi> and if you just included it, then sizeof(s) will be 1 off from what you want. so it's an extra bug opportunity, not just a wasted byte
15:58 < _aj_> andytoshi: char s[7] = "bitcoin";  errors with "initializer-string for char array is too long" in c++ apparently
15:59 < andytoshi> oh, phew :) then it's only C that's ridiculous
16:00 < _aj_> constexpr std::string_view might be the modern way to do it?
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16:25 < andytoshi> achow101: is it true that with descriptor wallets, there is no way to provide your own bip32 seed?
16:26 < achow101> andytoshi: currently, yes
16:26 < andytoshi> ok. do you have an idea of what it would look like if this ability were provided?
16:26 < andytoshi> i can maybe work on it
16:27 < achow101> it would have to be some addition to descriptors that allows keys to be specified as seeds
16:27 < achow101> e.g. wpkh(seed(blah)) ?
16:28 < andytoshi> or just make all keys specifiable as <seed>/1/2/3
16:28 < andytoshi> extkeys*
16:28 < sipa> it'd need to be converted to an xpub, i think?
16:28 < andytoshi> right, the software would do the xpub conversion when parsing
16:29 < andytoshi> there's a deterministic way to go from a seed to an xpub
16:29 < andytoshi> this maybe should be in ##miniscript now?
16:29 < sipa> perhaps
16:30 < andytoshi> i see, i think i'd misunderstood bip32 ... we always specify paths as <xpub>/1/2/3 or m/1/2/3 where the m is literally 'm' and the seed is off to the side somewhere
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16:47 < andytoshi> achow101: so, after talking to sipa in the ##miniscript channel, i think my plan of action here is to provide a codex32(...) thing which you can put into descriptors, which will be parsed into an xpriv. here the ... is a codex32 (bip 93) encoded seed, or a list of codex32 shares (from which a seed will be recovered)
16:47 < andytoshi> i have a branch that can do all the codex32 stuff, i just need to write a bit of parser glue around it
17:12 < bitcoin-git> [bitcoin] aureleoules closed pull request #26858: wallet: Use defined purposes instead of inlining (master...2023-01-purpose-refactor) https://github.com/bitcoin/bitcoin/pull/26858
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--- Log closed Sun Mar 26 00:00:21 2023