--- Log opened Wed Dec 08 00:00:55 2021 00:14 < tromp> jeremyrubin: shouldn't https://rubin.io/bitcoin/2021/12/02/advent-5/ mention Mimblewimble? 00:42 -!- _andrewtoth_ [~andrewtot@gateway/tor-sasl/andrewtoth] has joined #bitcoin-wizards 00:43 -!- andrewtoth_ [~andrewtot@gateway/tor-sasl/andrewtoth] has quit [Remote host closed the connection] 00:58 -!- solocshaw [~Thunderbi@gateway/vpn/pia/solocshaw] has quit [Ping timeout: 252 seconds] 01:10 -!- b10c [uid500648@id-500648.ilkley.irccloud.com] has joined #bitcoin-wizards 01:39 -!- _andrewtoth_ [~andrewtot@gateway/tor-sasl/andrewtoth] has quit [Remote host closed the connection] 01:40 -!- _andrewtoth_ [~andrewtot@gateway/tor-sasl/andrewtoth] has joined #bitcoin-wizards 02:03 -!- kexkey [~kexkey@static-198-54-132-100.cust.tzulo.com] has quit [Ping timeout: 265 seconds] 02:05 -!- kexkey [~kexkey@static-198-54-132-148.cust.tzulo.com] has joined #bitcoin-wizards 02:07 -!- jonatack [jonatack@user/jonatack] has quit [Remote host closed the connection] 02:35 -!- Guyver2 [~Guyver@guyver2.xs4all.nl] has joined #bitcoin-wizards 02:36 -!- jonatack [jonatack@user/jonatack] has joined #bitcoin-wizards 03:06 -!- andrewtoth_ [~andrewtot@gateway/tor-sasl/andrewtoth] has joined #bitcoin-wizards 03:09 -!- _andrewtoth_ [~andrewtot@gateway/tor-sasl/andrewtoth] has quit [Ping timeout: 276 seconds] 04:01 -!- Common [~Common@096-033-221-075.res.spectrum.com] has quit [Ping timeout: 252 seconds] 04:02 -!- Common [~Common@096-033-221-075.res.spectrum.com] has joined #bitcoin-wizards 04:18 -!- b10c [uid500648@id-500648.ilkley.irccloud.com] has quit [Quit: Connection closed for inactivity] 04:51 -!- bitdex [~bitdex@gateway/tor-sasl/bitdex] has quit [Quit: = ""] 05:10 -!- Guyver2 [~Guyver@guyver2.xs4all.nl] has quit [Quit: Going offline, see ya! 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ZZZzzz…] 14:41 -!- tromp [~textual@dhcp-077-249-230-040.chello.nl] has joined #bitcoin-wizards 15:06 < andytoshi> roconnor: updated https://github.com/apoelstra/SSS32/blob/2021-12--math-intro/volvelles/main.tex with your comments .. the only nontrivial thing is that i added a definition for the length of a BCH code 15:06 < andytoshi> you can searhc "how long a coded message" to find it in the .tex 15:06 -!- Guyver2 [Guyver@guyver2.xs4all.nl] has quit [Ping timeout: 268 seconds] 15:10 -!- tromp [~textual@dhcp-077-249-230-040.chello.nl] has quit [Quit: My iMac has gone to sleep. ZZZzzz…] 15:19 < andytoshi> also completed a draft of the non-math introduction (which i hope to include in the actual document). kiara said she'd spend some time reflowing this before we lay it out in postscript 15:19 < andytoshi> https://github.com/apoelstra/SSS32/blob/2021-12--intro/intro.md 15:21 < sipa> nice use of galois theory in the background 15:22 < andytoshi> hehe 15:38 < sipa> where does the name russ32 come from? 15:38 < sipa> oh, nvm. 15:42 < andytoshi> :) 15:42 < andytoshi> i am cool with just calling it russ32, though that's a little unfair because sipa discovered the code 15:43 < andytoshi> or we can come up with a more neutral name 15:44 -!- luke-jr [~luke-jr@user/luke-jr] has quit [Read error: Connection reset by peer] 15:44 < sipa> siss32 would be a fair mixing of the respective (nick)name characters 15:45 < andytoshi> lol i think it sounds too much like "sissy" 15:45 < andytoshi> which does not suggest strength 15:46 -!- luke-jr [~luke-jr@user/luke-jr] has joined #bitcoin-wizards 15:46 < sipa> it has a lot of S'es, which you seem to likr 15:50 < jeremyrubin> tromp: probably an oversight not to mention it, but i'm not familar with all the properties of mimblewimble... my understanding was that tx aggregation was still unsolved? 15:51 < jeremyrubin> roconnor: btw what do you think about OP_AMOUNT upgrading things to 64 bit math? 15:52 < jeremyrubin> i think it breaks concatenation of scripts right? So i don't think we can have some opcode which makes scripts 64 bit, we need a leaf version for that 15:55 < sipa> andytoshi: you should have a javascript demo of the error correction :) 15:57 < andytoshi> sipa: agreed :) it would be a good exercise for me to write one 15:57 < andytoshi> or also a good exercise to just steal an existing bech32 one.. 16:02 < sipa> andytoshi: i have python code that does everything (erasures, error location, correction) 16:02 < sipa> perhaps you want to rustify it or so, and then compile to wasm 16:02 < andytoshi> sipa: ah yeah, that's not a bad strategy 16:02 < andytoshi> i've got a copy of your python code 16:03 < sipa> https://github.com/sipa/pychar2/blob/main/bch.py 16:03 < andytoshi> thanks 16:03 < sipa> does rust have some vaguely efficient bigint? 16:03 < andytoshi> yeah, there's a library for it 16:03 < sipa> javascript doesn't, which makes it hard to directly translayr 16:04 < andytoshi> ah it'll compile the lib to wasm 16:05 < andytoshi> or i can just hack the code to not require bignums ... given that it's working in gf(1024) i'm surprised i need bignums 16:05 < andytoshi> but i haven't read the code :) 16:07 < sipa> my python code represents polynomials and vectors of field elements with the bits packed together 16:07 < sipa> into a single int 17:53 -!- AaronvanW [~AaronvanW@71pc74.sshunet.nl] has quit [Quit: Leaving...] 18:21 < roconnor> jeremyrubin: what happens on math overflow again, the script just fails? 18:22 < roconnor> jeremyrubin: using OP_AMOUNT to upgrade things to 64 bits doesn't seem like the worst idea. 18:23 < roconnor> But it doesn't seem that good either. 18:42 < sipa> roconnor: inputs need to fit in 4 bytes iirc; outputs can need 5 bytes 18:42 < sipa> (iirc) 18:52 < roconnor> oh so there is no overflow. 18:52 < roconnor> ahh 19:20 < jeremyrubin> yeah 19:20 < jeremyrubin> so it breaks that whole kleisi star whatever thingymajig if cat'ing a OP_AMOUNT changes semantics to 64 bit 19:53 -!- sr_gi7 [~sr_gi@static-120-137-229-77.ipcom.comunitel.net] has joined #bitcoin-wizards 19:54 -!- sr_gi [~sr_gi@static-120-137-229-77.ipcom.comunitel.net] has quit [Read error: Connection reset by peer] 19:54 -!- sr_gi7 is now known as sr_gi 20:15 -!- solocshaw [~Thunderbi@gateway/vpn/pia/solocshaw] has joined #bitcoin-wizards 20:17 < roconnor> TBH, it might be best to swtich to some sort of 2s complement format anyways. 20:17 < roconnor> with new opcodes. 20:49 -!- bitdex [~bitdex@gateway/tor-sasl/bitdex] has joined #bitcoin-wizards 21:05 -!- plankster [~plankster@user/plankers] has quit [Quit: No Ping reply in 180 seconds.] 21:14 -!- plankster [~plankster@user/plankers] has joined #bitcoin-wizards 21:23 -!- solocshaw [~Thunderbi@gateway/vpn/pia/solocshaw] has quit [Ping timeout: 240 seconds] 22:37 -!- solocshaw [~Thunderbi@gateway/vpn/pia/solocshaw] has joined #bitcoin-wizards 23:08 -!- Common [~Common@user/common] has quit [Read error: Connection reset by peer] 23:09 -!- Common [~Common@096-033-221-075.res.spectrum.com] has joined #bitcoin-wizards 23:37 -!- yanmaani [~yanmaani@gateway/tor-sasl/yanmaani] has quit [Remote host closed the connection] 23:52 -!- yanmaani [~yanmaani@gateway/tor-sasl/yanmaani] has joined #bitcoin-wizards 23:57 -!- tromp [~textual@dhcp-077-249-230-040.chello.nl] has joined #bitcoin-wizards --- Log closed Thu Dec 09 00:00:56 2021