19:00:12 <meshcollider> #startmeeting 19:00:13 <core-meetingbot> Meeting started Fri Feb 12 19:00:12 2021 UTC. The chair is meshcollider. Information about MeetBot at https://bitcoin.jonasschnelli.ch/ircmeetings. 19:00:13 <core-meetingbot> Available commands: action commands idea info link nick 19:00:17 <meshcollider> #bitcoin -core-dev Wallet Meeting: achow101 aj amiti ariard bluematt cfields Chris_Stewart_5 digi_james dongcarl elichai2 emilengler fanquake fjahr gleb glozow gmaxwell gwillen hebasto instagibbs jamesob jb55 jeremyrubin jl2012 jnewbery jonasschnelli jonatack jtimon kallewoof kanzure kvaciral lightlike luke-jr maaku marcofalke meshcollider michagogo moneyball morcos nehan NicolasDorier paveljanik petertodd 19:00:17 <meshcollider> phantomcircuit promag provoostenator ryanofsky sdaftuar sipa vasild wumpus 19:00:21 <achow101> hi 19:00:29 <S3RK> hi 19:00:33 <meshcollider> Hi everyone :) 19:00:36 <meshcollider> Topics today? 19:01:45 <achow101> We should try to get #16546 for 22.0 19:01:46 <sipa> not much of a topic, but i've been working on adding taproot descriptor support (and, hopefully, signing); hopefully i have something showable next week 19:01:48 <gribble> https://github.com/bitcoin/bitcoin/issues/16546 | External signer support - Wallet Box edition by Sjors ÷ Pull Request #16546 ÷ bitcoin/bitcoin ÷ GitHub 19:02:03 <meshcollider> 100% agree andrew 19:02:12 <meshcollider> sipa: awesome! 19:02:29 <meshcollider> Something showable = a branch, or a PR? 19:04:21 <sipa> meshcollider: branch is here: https://github.com/sipa/bitcoin/commits/202102_taproot_sign 19:04:50 <sipa> it can derive addresses with inner key, and arbitrary merkle trees of scripts (but the scripts can only be pk(...)) 19:05:26 <sipa> i may PR some of the refactorings to descriptors needed first 19:05:53 <sipa> but the exact notation for the descriptors is probably something that needs discussion anyway 19:07:39 <achow101> looking forward to that 19:08:06 <meshcollider> Why can the scripts only be pk? 19:08:14 <meshcollider> Just WIP? 19:08:47 <sipa> well, because multi doesn't exist in bip342 (no OP_CHECKMULTISIG due to not batch verifiable) 19:09:23 <sipa> pkh could work, but i'm not sure that it should (160-bit hash is a bad idea of the key can be an aggregate) 19:09:40 <sipa> and those are, without miniscript, the only raw scripts descriptors have for now 19:10:26 <meshcollider> ah yes 19:11:39 <meshcollider> What's happening with miniscript at the moment? 19:11:58 <meshcollider> #16800 has had no activity for nearly a year 19:11:59 <sipa> nobody is working on getting it in bitcoin core atm 19:12:01 <gribble> https://github.com/bitcoin/bitcoin/issues/16800 | Basic Miniscript support in output descriptors by sipa ÷ Pull Request #16800 ÷ bitcoin/bitcoin ÷ GitHub 19:12:17 <sipa> sanket1729 said he was interested in picking it up at some point 19:12:35 <meshcollider> I guess we should make that higher priority soon then 19:12:40 <sipa> i'm also interested in that of course, but it's hard without more people working on it 19:12:46 <meshcollider> Oh cool 19:12:48 <meshcollider> Yep 19:13:57 <jonatack> hi 19:14:11 <meshcollider> Any other topics before we end? 19:16:02 <meshcollider> #endmeeting