--- Day changed Thu Sep 06 2018
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01:45 < trotski2000> belcher: i didn't see this until now: https://github.com/chris-belcher/electrum-personal-server <- this is great!!
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05:57 < belcher> thanks for saying so trotski2000 
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06:58 < belcher_> waxwing i was just re-reading your blog post on CoinjoinXT, i was a bit confused by the phrase "promise utxo" and suggest that it be renamed to "promised utxo"
06:58 < belcher_> making the word past tense seems to make it clearer that A is promising the utxo to B
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09:32 <@waxwing> belcher, yes possibly (re: promise/promised). doesn't seem like too big of a deal, though.
10:09 < belcher_> agreed, there are bigger things
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10:10 < GitHub163> [joinmarket-clientserver] chris-belcher opened pull request #186: Switch over to using labels instead of accounts (master...labelsnotaccounts) https://git.io/fAu2U
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10:11 <@belcher_> thinking about it now, im pretty sure you can give the github bot a nickserv password
10:13 <@belcher_> looks like github services that run that bot are actually deprecated :\
11:44 <@waxwing> on coinjoinxt, there were a few questions at the end of the talk in lisbon that were pretty good: one person (jonas schnelli? i forget) asked what about fees, like if the fee market jumped before you broadcast. maybe use rbf (i don't think cpfp works too well here). another valid point raised was: you have to hold state (say, in a wallet file), if you're going to delay/stagger broadcast
11:44 <@waxwing> that need to save state is something that comes up for say coinswap or lightning too i guess. still, it is a negative over direct single tx coinjoin
11:47 <@waxwing> belcher_, thanks for PR. what's happening here, is that just a syntax error? https://travis-ci.org/JoinMarket-Org/joinmarket-clientserver/jobs/425366697#L4333
11:49 <@waxwing> oh i see 'WIP because i haven't tested it yet', right. so yeah it's just a typo.
11:49 <@belcher_> derp
11:49 <@belcher_> yes     
11:50 <@belcher_> it looked like a lot of the build jobs failed for some reason i didnt understand, i missed that one
11:51 <@belcher_> lets see now
12:06 <@belcher_> regarding the fee thing, during the interaction you could sign several transactions all with different fees including the rbf, all would be saved and you could broadcast the higher-fee ones if needed
12:07 <@belcher_> assuming you use nlocktime, you could almost-trustlessly give all the transactions to a third party who broadcasts them when their nlocktime mature
12:14 <@waxwing> belcher_, yeah that's what was mentioned at the end of the talk, i believe by kanzure , i didn't pursue it but it sounded right.
12:14 <@waxwing> btw this was interesting: https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2018-September/016352.html
12:15 <@waxwing> combination of nlocktime, aggregation, coinjoin plus something else luke-jr is suggesting, and how it all interacts with incentives, re-org and censorship resistance
12:25 < kanzure> hi, when did i mention this?
12:25 < kanzure> https://diyhpl.us/wiki/transcripts/building-on-bitcoin/2018/coinjoinxt/
12:26 <@belcher_> yes thats it
12:26 <@belcher_> "Q: Does this work with replace-by-fee? A: You can pre-sign as many transactions as you want, including fee bumping transactions."
12:30 <@waxwing> oh thanks for pointing back to that, i'd forgotten that someone (james o' beirne (sp) was it?) suggested sighash_noinput for promise utxos. i remember thinking (once i understood what he meant), that it wasn't very practical, but interesting i guess. if it works (i guess it does?) you need fixed sizes of coins.
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