--- Day changed Tue Oct 24 2017
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11:31 < MaxSan> Afternoon.
11:32 < MaxSan> Getting round to setting things up again. I would like to ask if there is a separate market between segwit joins and legacy? I think this was mentioned before...
11:46 < undeath> does jm taker ensure cj_addr != change_addr? it would allow a malicious maker to render their contribution useless for the anonymity set
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11:48 < waxwing> good Q, pretty sure not. slightly weird attack, but no reason not to stop it. atm the biggest attack problems are joinmarket#693 and blocking at signing stage (we dont' recover from that with same counterparties, whereas we do if they block at utxo exchange phase)
11:48 < waxwing> MaxSan, hi
11:49 < waxwing> afternoon? hmm isn't it evening? :)
11:49 < waxwing> yes there are two pits, you can see at https://joinmarket.me/ob/ or your own local version
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11:55 < undeath> it's not really possible to recover from a maker blocking in the signing stage, is it? Or do you mean recover by only replacing the blocking maker(s) by new one(s)?
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11:59 < waxwing> undeath, right i wasn't clear. i meant, recover specifically in the sense of restarting with the makers who correctly responded, rather than just completely try again with random counterparties.
12:00 < waxwing> we currently complete with correct responders if they don't respond to the auth messages correctly. i agree it's not really such a great achievement to make the above happen, but it's better than what happens now.
12:00 < waxwing> imo     
12:01 < undeath> I see, yes, sounds like an improvement
12:06 < waxwing> btw undeath i believe you have at least one open PR that i haven't worked on yet, sorry a bit overwhelmed both with travel and also i'm working on a couple of other ideas right now, so haven't done much at all on joinmarket-clientserver last few weeks, afraid it'll stay that way for a while.
12:07 < waxwing> of course nothing stopping others taking a look, except it's not easy of course.
12:07 < undeath> no worries, the code still needs some testing anyway
12:07 < undeath> found a bug just yesterday but need to test my fix
12:10 < waxwing> hmm come to think of it the above suggestion is probably redundant given that the nonresponders get added to ignored_makers before retrying.
12:11 < waxwing> so scratch that, for now.
12:12 < undeath> it's still a little improvement over just randomly selecting new makers
12:12 < waxwing> ah yes, forgot the point, true. small but might be better.
12:15 < undeath> is there already some code for testing maker code?
12:15 < undeath> in -clientserver
12:15 < waxwing> sure iirc there's a testing.md and there's tests in jmclient/test
12:15 < undeath> ah, was only looking at /test
12:16 < waxwing> oh but .. maker specifically, i may not have got round to it now i think about it
12:16 < undeath> it'll require a couple mocks i suspect
12:17 < waxwing> yes i mocked up quite a bit of stuff to test the taker. there is a kind of end to end testing where you can run multiple bots on a local irc as per testing.md and test/ygrunner.py
12:17 < waxwing> you can do whole tumbler runs quite quickly but it takes quite a bit of fiddling to get set up with it i guess
12:18 < waxwing> (this is on regtest of course)
12:18 < undeath> i see. i'll have a look at the existing jmclient tests
12:19 < waxwing> a lot of it is kind of a mess now, there's so much to cover .. any help would be appreciated.
12:19 < undeath> the -cs code is already a big improvement over the original code at least :)
12:22 < waxwing> the above signing-blocking is on my mind at the moment as someone was suffering from it yesterday, and i can see on my terminal it's still happening (deduction, but very likely).
12:24 < undeath> yes, I frequently see failed transactions in my maker that never get broadcasted
12:25 < waxwing> yep     
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14:32 < waxwing> so i'm working on this at the moment, people here might find it interesting: https://gist.github.com/AdamISZ/8dc3bbb00ac33e270029fe1cdb52f3f4
14:33 < waxwing> a rough start at a tool, just a poc to see how it can be used; https://github.com/AdamISZ/snicker-poc (as per the big warnings, *really* rough)
14:33 < waxwing> i tried it out on regtest like: i make it using a jm wallet, the created partially signed tx was signable in Core
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