--- Day changed Wed Aug 31 2016
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09:38 < Taek> does sendpayment.py on the master branch work? How long does it take? I got the following message:
09:38 < Taek> Exception in thread PaymentThread:
09:38 < Taek> Traceback (most recent call last):
09:38 < Taek>   File "/usr/lib64/python2.7/threading.py", line 810, in __bootstrap_inner
09:38 < Taek>     self.run()
09:38 < Taek>   File "sendpayment.py", line 173, in run
09:38 < Taek>     self.create_tx()
09:38 < Taek>   File "sendpayment.py", line 98, in create_tx
09:38 < Taek>     self.taker.amount, self.taker.makercount)
09:39 < Taek>   File "sendpayment.py", line 164, in sendpayment_choose_orders
09:39 < Taek>     if raw_input('send with these orders? (y/n):')[0] != 'y':
09:39 < Taek> IndexError: string index out of range
09:39 < waxwing> Taek: did you press enter without typing 'y'? that would do it i guess
09:39 < Taek> I did, yes
09:39 < Taek> the prompt was hidden behind a wall of other text
09:39 < waxwing> dumb of us not to catch that error, but oh well
09:40 < waxwing> yes that happens sometimes, good point
09:40 < waxwing> orders coming in late
09:40 < waxwing> offers rather
09:46 < Taek> now I am getting "not enough funds" when trying to send ~92% of my coins
09:46 < Taek> is there an easy way to send all of them?
09:46 < waxwing> Taek: use amount '0'
09:46 < Taek> thx
09:46 < waxwing> it does a sweep and sends all minus the fees
09:47 < waxwing> all for that mixdepth, i should emphasize, not all in all mixdepths
09:47 < Taek> oh that's the issue. I've got coins at multiple mixdepths
09:48 < waxwing> by design we don't support sending from multiple mixdepths simultaneously, the privacy model is based on not combining utxos from multiple mixdepths
09:48 < Taek> that makes sense
09:49 < Taek> "not enough liquidity" -> guess it's going to take a bit to get the coins out
09:49 < Taek> ah well
09:49 < waxwing> depends on size, the orderbook is thin above about 10-15 btc typically
09:49 < waxwing> for smaller it should be very unlikely to get that, unless i forgot something
09:50 < Taek> I just did another order, the liquidity might be used up in refund addresses right now
09:50 < Taek> no blocks yet on the previous order
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09:51 < waxwing> ok maybe but liquidity available won't depend on your own coin state
09:56 < waxwing> also if the number of counterparties you request is not much less than the total available, then specifically for sweep (amount=0) there is a known bug that i don't know a fix for yet, where even if there is enough, you might get "not enough liquidity". in that case simply trying again can fix it. but, that's kinda confusing.
09:56 < waxwing> see 55 counterparties here: https://joinmarket.me/ob atm
10:17 < Taek> ah-ha. Success
10:17 < Taek> thx
10:18 < waxwing> yw, did you have to change something?
10:22 < Taek> just had to set the mixdepth correctly I think
10:23 < Taek> the '0' trick also made life easier
10:43 < Taek> The time that I got the 'not enough liquidity' error, I think it had extra text which had appeared, and I may have left it hanging for a few minutes before typing 'y'
10:43 < Taek> perhaps that relates to the bug
10:45 < waxwing> i'd ask you whether you were using a large -N value, but that's a violation of privacy. if you were it would at least be possibly issue 356 on github, but either way nothing is going to happen about it right now, so probably don't worry. be aware that it can be a bit flaky with sweeps in some cases, multiple tries never hurts if you're just doing a payment.
10:45 < Taek> it was the default
10:46 < waxwing> the extra text is almost always going to be peopl with flaky connections sending you offers late, it shouldn't matter.
10:46 < waxwing> ok
10:46 < Taek> I'm mostly toying around, if it was funds I was trying to protect I'd be here with a different nick
10:46 < waxwing> sure. well, i'm probably just forgetting some other vector via which it can happen.
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12:31 < belcher> waxwing do you remember that link that explained how schnorr can be used to combine signatures
12:31 < belcher> cant seem to find it
12:31 < waxwing> belcher: https://github.com/sipa/secp256k1/blob/schnorrstages2/src/modules/schnorr/schnorr.md#multisigning-combine-stage-2-signatures-into-a-full-signature
12:31 < waxwing> maybe?
12:31 < belcher> yeah thats it
12:32 < belcher> i think
12:37 < waxwing> basic idea is sigma (s) = sigma(k) + sigma(x)*e where e is the hash of everything; because it's linear it works at the public point level (i.e. sum of public keys = (sigma(x))*G), ECDSA doesn't have that linearity
12:37 < waxwing> but doing it properly is an entirely different matter :)
12:38 < waxwing> hmm actually i think that's wrong, the batching requires not using the (s,e) model, well anyway the linearity is the thing, somehow
12:42 < instagibbs> that schnorr description is deprecated, so please 
12:42 < instagibbs> don't use it*, AFAIK. yay ham fist
12:44 < waxwing> i remember there was a lot of twiddling around to get it to work right without there being any security holes. like having to do hash(pubkey)*pubkey or something.
12:44 < waxwing> as you can see i haven't really gone into it :)
12:47 < instagibbs> waxwing, if you have a number of cosigners they can compute huge lists of keys, then find a combination that zeroes out your keys, so you need to do H(A + B + C + D)*{A,B,C,D}
12:48 < waxwing> right i have a vague memory. so use the hash to fix it to the whole set or something.
13:17 < waxwing> time for some more apple phone shooting vids? https://twitter.com/diiorioanthony/status/771033721881362432
13:18 < waxwing> theDAO is approved, heh
13:25 < pigeons> weird
13:25 < waxwing> that's one word :)
13:30 < OverlordQ> Is this the same DAO that lost everybody lots of money that they had to hardfork to steal back?
13:34 < grubles> yes
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19:28 < robegalnd> hello
19:29 < robegalnd> anyone knows if the gui  of join market work with tumbler?
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23:56 < robegalnd> hello i try to test import secp256k1 but always something wronl
23:56 < robegalnd> says ImportError: No module named secp256k1
23:58 < robegalnd> anyone can help me