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01:05 < GitHub1> [bitcoin] laanwj pushed 2 new commits to master: https://github.com/bitcoin/bitcoin/compare/dc0305d15aa0...16ccb74ef2e0
01:05 < GitHub1> bitcoin/master e3bc5e0 Wladimir J. van der Laan: net: Account for `sendheaders` `verack` messages...
01:05 < GitHub1> bitcoin/master 16ccb74 Wladimir J. van der Laan: Merge pull request #7180...
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01:23 < GitHub88> [bitcoin] laanwj pushed 4 new commits to master: https://github.com/bitcoin/bitcoin/compare/16ccb74ef2e0...0800092fc252
01:23 < GitHub121> [bitcoin] laanwj closed pull request #4906: Issue#1643: Coinselection prunes extraneous inputs from ApproximateBestSubset (master...Fix-#1643) https://github.com/bitcoin/bitcoin/pull/4906
01:23 < GitHub88> bitcoin/master 5c03483 AlSzacrel: Coinselection prunes extraneous inputs from ApproximateBestSubset...
01:23 < GitHub88> bitcoin/master af9510e Murch: Moved set reduction to the end of ApproximateBestSubset to reduce performance impact
01:23 < GitHub88> bitcoin/master fc0f52d Murch: Added a test for the pruning of extraneous inputs after ApproximateBestSet
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08:45 < wumpus> curious, two nodes w/ /bitcoinj:0.12.2/ send almost 150kB of ping messages in less than a day:   "ping": 145376,   that's... abnormal at the least
08:46 < wumpus> one vps at linode and one at fdcserver.net
08:48 < wumpus> looking at their conntimes about ~10.5 bytes of ping traffic per second
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08:50 < wumpus> (for normal nodes this is ~0.15)
08:50 < wumpus> I wonder why...
09:00 < tulip> wumpus: just from observation nodes seem to ping an awful lot. even if you just did a pong a second ago you can end up pinging again in the next. maybe we could have a cool down for pings just to reduce the chat a bit?
09:01 < wumpus> I'm seeing none of this behavior from bitcoin core nodes
09:01 < tulip> I'm not sure anything stops wonky node implementations from going crazy with pings.
09:01 < wumpus> either this is some specific abuse/attack, or a bug in a certain spy node implementation :-)
09:02 < tulip> hm well you'll ping late if you're loaded down right? maybe there's some cpu usage related leakage somewhere.
09:03 < tulip> it would reveal your process block time for example, as you don't reply to pings while doing that. you'll end up dropping your peers if you sit for 20 minutes reorganising for example.
09:04 < tulip> I don't see that as useful information. buggy is probably more realistic and more likely.
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11:24 < gmaxwell> wumpus: :(
11:24 < gmaxwell> wumpus: there is a privacy attack that looks like that.
11:24 < gmaxwell> In the current code, sending lots of pings destroys any trickle delays.
11:25 < gmaxwell> thus the patch from pieter that pulls back out the patch from phantomcircuit.
11:34 < gmaxwell> https://github.com/bitcoin/bitcoin/pull/7125
11:35 < gmaxwell> Sad to hear that its being actively exploited, happy that we already have a fix.
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11:45 < GitHub96> [bitcoin] morcos opened pull request #7187: Keep reorgs fast for SequenceLocks checks (master...fastReorgBIP68) https://github.com/bitcoin/bitcoin/pull/7187
11:57 < gmaxwell> wumpus: same nodes seem to be connecting to everyone; also supporting that theory.
12:03 < GitHub65> [bitcoin] morcos closed pull request #7187: Keep reorgs fast for SequenceLocks checks (master...fastReorgBIP68) https://github.com/bitcoin/bitcoin/pull/7187
12:03 < GitHub133> [bitcoin] morcos reopened pull request #7187: Keep reorgs fast for SequenceLocks checks (master...fastReorgBIP68) https://github.com/bitcoin/bitcoin/pull/7187
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13:18 < phantomcircuit> jonasschnelli_, ./configure doesn't detect qt4 on my debian jessie system
13:18 < phantomcircuit> i had to manually specify --with-gui=qt4
13:18 < MarcoFalke> Is qt5 installed as well?
13:19 < phantomcircuit> i dont think so
13:20 < phantomcircuit> dpkg-query: no packages found matching libqt*5*
13:21 < MarcoFalke> Only if both are installed it chooses qt5: https://github.com/bitcoin/bitcoin/pull/6938/files
13:21 < MarcoFalke> If qt4 is installed it chooses nothing
13:21 < phantomcircuit> ah
13:21 < phantomcircuit> hmm
13:21 < MarcoFalke> Not sure if a bug or feature
13:22 < phantomcircuit> MarcoFalke, definitely a bug
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15:15 < GitHub130> [bitcoin] smenglish opened pull request #7188: Update sha512.cpp (master...patch-1) https://github.com/bitcoin/bitcoin/pull/7188
15:15 < MarcoFalke> phantomcircuit, mind to report a bug?
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--- Log closed Tue Dec 08 16:23:53 2015
--- Log opened Tue Dec 08 16:24:21 2015
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22:31 < jonasschnelli_> phantomcircuit: thanks for reporting. Will have a look.
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23:18 < GitHub114> [bitcoin] jonasschnelli closed pull request #7188: Update sha512.cpp (master...patch-1) https://github.com/bitcoin/bitcoin/pull/7188
23:30 < cfields> wumpus: ping. around? we're hanging out around a conference table in hk. anything that may be helpful to discuss?
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23:42 < wumpus> dunno
23:44 < cfields> ok, no worries
23:53 < wumpus> for 0.13 I think we should look into deprecating the external comparison tool, as we have a similar framework in-tree now (thanks to sdaftuar), which is easier to update along with code changes. But it's not clear to me what tests still have to be transferred to the new framework.
23:53 < GitHub154> [bitcoin] NicolasDorier opened pull request #7190: Performance fix for #6312 (master...sequencenumbers) https://github.com/bitcoin/bitcoin/pull/7190
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23:58 < wumpus> gmaxwell: the ping-interferes-with-transaction-relay issue should definitely be solved, we want #7125 for 0.12 then