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 29 2018-02-03T01:36:22  <bitcoin-git> [bitcoin] RvMp opened pull request #12341: Correction in choice of words (master...201802030229-qt-dutch-lang-fix) https://github.com/bitcoin/bitcoin/pull/12341
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 34 2018-02-03T01:52:38  <bitcoin-git> [bitcoin] fanquake closed pull request #12341: Correction in choice of words in QT (dutch) (master...201802030229-qt-dutch-lang-fix) https://github.com/bitcoin/bitcoin/pull/12341
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109 2018-02-03T05:59:09  <phantomcircuit> does the validateaddress rpc work with segwit addresses?
110 2018-02-03T05:59:33  <gmaxwell> you mean bc1 addresses? it should. lemme se...
111 2018-02-03T06:00:36  <sipa> absolutely
112 2018-02-03T06:00:45  <sipa> it also works with p2sh-p2wpkh addresses
113 2018-02-03T06:01:24  <sipa> (and will look through the P2SH and give you the pubkey etc)
114 2018-02-03T06:01:25  <gmaxwell> yes, it does.
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116 2018-02-03T06:03:42  <phantomcircuit> alrighty
117 2018-02-03T06:03:46  <phantomcircuit> guess i cant type
118 2018-02-03T06:06:20  <gmaxwell> or you're trying code prior to 0.16rc?
119 2018-02-03T06:08:54  <jarthur> Hey. gmax mentioned sipa's SHA-NI branch to me the other day. Is that the latest go at bringing those instructions in?
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121 2018-02-03T06:14:10  <gmaxwell> I think that branch is just lacking build system integration.
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126 2018-02-03T06:39:37  <windsok> I'm running 0.16rc2, normally my debug.log is full of messages of other nodes connecting to my node. With 0.16 i'm not seeing that, and i'm seeing lots of messages like "version handshake timeout from 1113". Maybe it's nothing, but thought i'd mention it. I can open an issue if someone think's it's worth investigating
127 2018-02-03T06:41:45  <gmaxwell> windsok: do you have any connections at all?
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129 2018-02-03T06:41:54  <gmaxwell> some amount of version handshake timeouts are normal.
130 2018-02-03T06:41:57  <windsok> yes, I'm receiving blocks
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133 2018-02-03T06:43:08  <windsok> getnetworkinfo shows 29 connections
134 2018-02-03T06:44:26  <windsok> just find it weird i'm not seeing the normal connection messages. Normally I see those spy nodes connecting at least every few minutes
135 2018-02-03T06:44:32  <gmaxwell> e.g. A node here I have got 764 handshake timeouts on 2017-11-23 (on obviously much older code)
136 2018-02-03T06:45:35  <gmaxwell> and 912 a day ago.
137 2018-02-03T06:47:01  <gmaxwell> grep  'receive version' debug.log  ? do you see any at all?
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139 2018-02-03T06:47:04  <gmaxwell> I see spy things
140 2018-02-03T06:48:26  <windsok> no receive version messages since I upgraded
141 2018-02-03T06:48:40  <gmaxwell> oh hm. logging change then.
142 2018-02-03T06:48:45  <gmaxwell> what debug level are you?
143 2018-02-03T06:49:03  <windsok> whatever the default is
144 2018-02-03T06:49:11  <gmaxwell> ah!
145 2018-02-03T06:49:42  <gmaxwell> #11583
146 2018-02-03T06:49:46  <gribble> https://github.com/bitcoin/bitcoin/issues/11583 | Do not make it trivial for inbound peers to generate log entries by TheBlueMatt · Pull Request #11583 · bitcoin/bitcoin · GitHub
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148 2018-02-03T06:50:24  <gmaxwell> though derp, BlueMatt the version handshake timeout should have gotten covered under that I think!
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150 2018-02-03T06:54:35  <windsok> ah, so it should be logging those at default level? or you now need debug logging to see them?
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152 2018-02-03T06:55:00  <gmaxwell> you need debug level to see them now.
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154 2018-02-03T06:55:18  <gmaxwell> the goal of the change was to prevent peers from spamming your logs
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156 2018-02-03T06:57:19  <windsok> cool, i'll turn debug logging on and check they are back
157 2018-02-03T06:58:10  <windsok> weirdly, I like to watch those logs sometimes, to see what random nodes are connecting to me
158 2018-02-03T06:58:25  <Randolf> That's good.
159 2018-02-03T06:59:02  <Randolf> That way the log files, by default, are more focused on the more important things, and are smaller (easier to grep, etc.).
160 2018-02-03T07:03:02  <windsok> yeah i see them with debug=net. crapton of logging with that on though hah
161 2018-02-03T07:04:51  <gmaxwell> you can turn logging levels on and off using the logging rpc.
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164 2018-02-03T07:10:25  <Randolf> It's reasonable to assume that an administrator who selects a more detailed logging level will be expecting more logging activity.  A default logging level that leaves out unnecessary entries such as things that can appear as spam is a good choice.
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177 2018-02-03T07:56:00  <dafuq> could i get a pointer to where in the src the code for DLing the blk*.dat is located?
178 2018-02-03T07:58:59  <ossifrage> I'd include "version handshake timeout from " in the list of trivial for a peer to generate a log entry
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181 2018-02-03T08:01:53  <ossifrage> 37% of the log default log entries for a node that has been up for ~24hrs was "version handshake timeout..."
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184 2018-02-03T08:05:52  <gmaxwell> ossifrage: that was my comment to bluematt above.
185 2018-02-03T08:06:05  <gmaxwell> ossifrage: care to go make the pull request yourself? it'll be easy.
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189 2018-02-03T08:24:05  <ossifrage> gmaxwell, I'm somewhat curious who all those connections are coming from? Does the connecting side need to send any data to get that message?
190 2018-02-03T08:24:26  <gmaxwell> nope
191 2018-02-03T08:24:40  <ossifrage> gmaxwell, ah, so it could just be port scanners
192 2018-02-03T08:24:45  <gmaxwell> yep
193 2018-02-03T08:31:18  <ossifrage> Ouch, a one line change to src/net.cpp and a shitload of stuff needs to be recompiled :-(
194 2018-02-03T08:35:57  <gmaxwell> it's just relinking the different commands that use net.cpp
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196 2018-02-03T08:39:31  <windsok> socket recv error Connection reset by peer (104)
197 2018-02-03T08:39:32  <windsok> socket recv error Connection timed out (110)
198 2018-02-03T08:39:37  <windsok> those are also very common messages in my logs
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200 2018-02-03T08:54:03  <ossifrage> another common one is "ERROR: non-continuous headers sequence" (some brain damaged fork coin)
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202 2018-02-03T08:54:27  <gmaxwell>  that one is especially unfortunate because it displays the word ERROR
203 2018-02-03T08:54:55  <gmaxwell> some small fraction of users will commit electronic suicide if they see error messages in their logs.
204 2018-02-03T08:55:05  <gmaxwell>  (e.g. delete their wallets trying to make it stop)
205 2018-02-03T08:55:16  <ossifrage> Maybe there should be a different term for things that will get you banned (instead of ERROR)
206 2018-02-03T08:56:04  <gmaxwell> Mostly "ERROR" was previously elimiated from that stuff, I think that one just got missed.
207 2018-02-03T08:56:12  <ossifrage> Or combine the Misbehaving line with the reason for the misbehaving?
208 2018-02-03T08:57:39  <ossifrage> gmaxwell, that trivial change requires forking (and recompiling from scratch for sanity) just to make github happy
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210 2018-02-03T09:01:18  <ossifrage> Would "Misbehaving: non-continuous headers sequence" be better?
211 2018-02-03T09:01:38  <gmaxwell> It think it would be if it were straight forward to do that.
212 2018-02-03T09:02:12  <gmaxwell> and that should also be a NET log entrie, under the 11583  logic I think?
213 2018-02-03T09:03:39  <ossifrage> Ah, yeah that comes back as an error("...")
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217 2018-02-03T09:15:04  <bitcoin-git> [bitcoin] clemtaylor opened pull request #12342: Extend #11583 to include "version handshake timeout" message (master...master) https://github.com/bitcoin/bitcoin/pull/12342
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224 2018-02-03T09:20:35  <ossifrage> In my local copy I have an command line option to specify the upload time frame: "-maxuploadtimeframe". I set this to 1hr vs the default of 24hrs to help smooth out the bandwidth usage for old blocks
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307 2018-02-03T16:33:40  <bitcoin-git> [bitcoin] Rutkouski opened pull request #12345:  Asymmetric encryption stubs. (master...master) https://github.com/bitcoin/bitcoin/pull/12345
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362 2018-02-03T19:42:10  <gmaxwell> sipa: close #12345  (so sad that a cool number was wasted on shitty PR spam)
363 2018-02-03T19:42:12  <gribble> https://github.com/bitcoin/bitcoin/issues/12345 | Asymmetric encryption stubs. by Rutkouski · Pull Request #12345 · bitcoin/bitcoin · GitHub
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368 2018-02-03T19:49:19  <bitcoin-git> [bitcoin] sipa closed pull request #12345:  Asymmetric encryption stubs. (master...master) https://github.com/bitcoin/bitcoin/pull/12345
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375 2018-02-03T20:06:29  <BlueMatt> gmaxwell: seems reasonable, though thats at least hard to fill up your disk with, cause you can only do it 120 at a time
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378 2018-02-03T20:12:45  <gmaxwell> BlueMatt: I don't see how thats any different from version handshakes. :)
379 2018-02-03T20:12:57  <gmaxwell> ah because there is a timeout
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381 2018-02-03T20:13:05  <BlueMatt> yea...that :p
382 2018-02-03T20:13:09  <gmaxwell> well still flooding logs with uninteresting stuff,...
383 2018-02-03T20:13:13  <BlueMatt> true
384 2018-02-03T20:13:27  <BlueMatt> i mean doesnt meet the "dont let them fill your disk" criteria, but does meet the "this is useless" criteria
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393 2018-02-03T20:24:17  <rhavar> Anyone interested in coin selection?
394 2018-02-03T20:24:47  <rhavar> I just took 3 or 4 months of work on it, and exposed it over a JSON api if anyone wants to screw around: coinsayer.com
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396 2018-02-03T20:27:12  <rhavar> It should be pretty useful for testing stuff, like making sure the BnB algo doesn't miss any cases
397 2018-02-03T20:28:11  <Murch> cool
398 2018-02-03T20:28:17  <Murch> What does it consider?
399 2018-02-03T20:28:42  <rhavar> take a look at the problem.json thing
400 2018-02-03T20:29:04  <rhavar> It's most optimized for a service though, esp one that has more incoming transactions than out going
401 2018-02-03T20:29:51  <rhavar> But it takes as an argument the estimated future cost of transactions (consolidationFee)   so it works very well in general
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403 2018-02-03T20:32:47  <Murch> sorry, I meant what strategy you came up with to make the perfect transactions. ;)
404 2018-02-03T20:32:48  <rhavar> I need to fully document it, but it supports some stuff that I don't think have been implemented before. Like mandatory conflict sets  (for instance if you want to bip125 transactions) and the concept of optional outputs  (e.g. if you're a service and have a bunch of queued withdrawals, you don't necessarily need to send them all )
405 2018-02-03T20:33:01  <Murch> Ah nice.
406 2018-02-03T20:33:37  <rhavar> And it scales pretty well, has no problems with >10k+ inputs and stuff
407 2018-02-03T20:34:29  <rhavar> There might be some minor bugs (i literally just refactored it all to expose it as a service) but the core algorithm has been used extremely successfully in production for months (and leads to easily >50% fee savings over core's  selection algo)
408 2018-02-03T20:36:14  <rhavar> oh yeah, and it has pretty amazing privacy benefits. it basically totally destroys all the current clustering analytic companies lol
409 2018-02-03T20:36:43  <rhavar> (basically by avoiding change, or having change outputs that are unpredictable ..  it makes clustering very ineffective)
410 2018-02-03T20:37:25  <rhavar> (That is assuming you don't reuse addresses though, as that will make it far easier to cluster)
411 2018-02-03T20:38:18  <Murch> Sounds interesting
412 2018-02-03T20:39:13  <Murch> Although no address reuse is a bit a strong assumption, as others can just send to your address again at their leisure
413 2018-02-03T20:39:34  <rhavar> yeah, i have witnessed that
414 2018-02-03T20:39:35  <Murch> I'm hoping that we generally see a stronger move to avoiding change soon ;)
415 2018-02-03T20:39:50  <rhavar> i think i created some issues on the bitcoin repo to deal with that
416 2018-02-03T20:40:01  <rhavar> But if you're doing it manually, you can manually expire addresses
417 2018-02-03T20:40:14  <rhavar> which makes the dusting attacks useless
418 2018-02-03T20:40:25  <Murch> yeah, makes sense
419 2018-02-03T20:43:11  <rhavar> but in general this coin selection handles dusting a lot better anyway, because it never spends uneconomical coins. And from what I can tell, to save money all the deanonymizing dust is sent with tiny amounts that never really make sense to spend anyway
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425 2018-02-03T21:02:08  <Murch> yeah, opinions vary a bit here, but Bitcoin Core should probably be more selective in spending uneconomic unspents.
426 2018-02-03T21:03:45  <rhavar> the current behavior is pretty indefensible, last year i saw an attack against a major casino where they created transactions with a lot of output targetting deposit addresses. Then withdraw the money
427 2018-02-03T21:04:02  <rhavar> and then core's coin selection picks those outputs, and burns mega amounts of money
428 2018-02-03T21:04:28  <rhavar> you can basically cost someone like ~30x the cost to send the transaction, the cost to clean it up
429 2018-02-03T21:04:48  <rhavar> so if nothing else, it's a massive DoS vector
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466 2018-02-03T23:13:39  <quer_> Is there a website/tool where I can do the math for: Which minimal input amount (Sat) is feasible with fee (Sat/Byte) and tx size (tx type, input/output count, etc.) ? So I know when I should consolidate my dust?
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468 2018-02-03T23:16:06  <windsok> rhavar: sounds very cool. Is the code open?
469 2018-02-03T23:17:23  <GAit> is support for 32 bit builds here to stay or going away in a few releases? i recall some PR or issue discussion but can't find it
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478 2018-02-03T23:36:16  <meshcollider> GAit: perhaps you're thinking of #9989 or something?
479 2018-02-03T23:36:18  <gribble> https://github.com/bitcoin/bitcoin/issues/9989 | [Doc] Removing references to Windows 32 bit from README by NicolasDorier · Pull Request #9989 · bitcoin/bitcoin · GitHub
480 2018-02-03T23:37:51  <meshcollider> I don't think there's any plan to remove 32 bit support any time soon at least
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486 2018-02-03T23:57:55  <rhavar> windsok: not really, it's not really something that is suitable for upstreaming at all due to it's reliance on constraint solvers
487 2018-02-03T23:58:08  <rhavar> just useful to test against, and make sure you're not missing anything obvious