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  52016-09-16T00:54:32  <rebroad> please could someone tell me where I can find the doc on gitian building for windows and arm?
  62016-09-16T00:54:44  <rebroad> oh found it
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 192016-09-16T03:49:54  <GitHub14> [bitcoin] fanquake opened pull request #8742: Specify Protobuf version 2 in paymentrequest.proto (master...proto2-vs-proto3) https://github.com/bitcoin/bitcoin/pull/8742
 202016-09-16T04:41:24  <GitHub3> [bitcoin] fanquake opened pull request #8743: Remove old manpages from contrib/debian in favour of doc/man (master...remove-old-manpages) https://github.com/bitcoin/bitcoin/pull/8743
 212016-09-16T04:44:14  <dgenr8> how does gitian know not to try to build qt for arm?
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 322016-09-16T06:53:52  <jonasschnelli> dgenr8: the configure (autoconf) process will auto-detect the qt libraries..
 332016-09-16T06:54:01  <jonasschnelli> If not available, it will be built headless.
 342016-09-16T06:54:12  <jonasschnelli> You might want to check the bitcoin-qt.m4 macro file
 352016-09-16T06:57:10  <jonasschnelli> dgenr8: and the magic point where qt gets not compiled for ARM is here: https://github.com/bitcoin/bitcoin/blob/master/depends/packages/packages.mk#L7
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 492016-09-16T09:25:24  <GitHub99> [bitcoin] MarcoFalke pushed 2 new commits to master: https://github.com/bitcoin/bitcoin/compare/a82e5d8220bb...1e5799c52535
 502016-09-16T09:25:24  <GitHub99> bitcoin/master fa27d99 MarcoFalke: [qa] create_cache: Delete temp dir when done
 512016-09-16T09:25:25  <GitHub99> bitcoin/master 1e5799c MarcoFalke: Merge #8713: [qa] create_cache: Delete temp dir when done...
 522016-09-16T09:25:39  <GitHub24> [bitcoin] MarcoFalke closed pull request #8713: [qa] create_cache: Delete temp dir when done (master...Mf1609-qaCacheTempdir) https://github.com/bitcoin/bitcoin/pull/8713
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 542016-09-16T09:32:31  <GitHub149> [bitcoin] MarcoFalke opened pull request #8744: [0.13.1] qa Backports (0.13...Mf1609-qaBackports) https://github.com/bitcoin/bitcoin/pull/8744
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 632016-09-16T11:11:03  <rebroad> would anyone know why there's code in addrman.cpp to randomize the addresses sent in response to a getaddr?
 642016-09-16T11:19:27  <rebroad> weird.... block 430068 has a checksum ox 0x00000000
 652016-09-16T11:19:33  <rebroad> of
 662016-09-16T11:23:00  <rebroad> hmmm, then again it came from 54.199.196.58.. which is doing various weird things...
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 752016-09-16T12:30:52  <sdaftuar> BlueMatt: sipa: there's an issue with the way the announce bit is set in 8393 (you can't change it).  github isn't letting me comment on the pull right now for some reason though
 762016-09-16T12:31:19  <sdaftuar> BlueMatt: anyway it's confusing to me to figure out what the logic for changing it should be
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 832016-09-16T13:03:58  <rebroad> why aren't problems with LogPrint detected at compile time as they would be with printf?
 842016-09-16T13:25:52  <BlueMatt> sipa: sdaftuar https://github.com/TheBlueMatt/bitcoin/commit/e2ce06c917a38ccca5e3554e578ccd28417c2174
 852016-09-16T13:25:56  <BlueMatt> should fix it
 862016-09-16T13:29:37  <BlueMatt> oh ffs, now github is sending me two emails for every comment
 872016-09-16T13:31:35  <sdaftuar> BlueMatt: thanks, that looks right
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 942016-09-16T14:36:24  <sipa> rebroad: compiler magic
 952016-09-16T14:36:53  <sipa> rebroad: the c compiler recognizes printf in a special way
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 982016-09-16T14:49:05  <GitHub44> [bitcoin] jonasschnelli opened pull request #8745: [PoC] Add wallet inspection and modification tool "bitcoin-wallet-tool" (master...2016/09/wallet-tool) https://github.com/bitcoin/bitcoin/pull/8745
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1042016-09-16T15:18:19  <luke-jr> sipa: well, it's possible to get printf-formatting rules on other functions, but LogPrintf isn't as picky as real printf [cc: rebroad]
1052016-09-16T15:20:50  <sipa> right, doing so would make the compiler warn about many things that are just fine for LogPrintf
1062016-09-16T15:23:54  <luke-jr> I wonder if some trick like http://codereview.stackexchange.com/questions/85031/compile-time-printf-style-format-checking would work
1072016-09-16T15:25:24  <GitHub64> [bitcoin] achow101 opened pull request #8746: [Qt][RPC] Hide passphrases in debug console history (master...hide-walletpassphrase) https://github.com/bitcoin/bitcoin/pull/8746
1082016-09-16T15:27:20  <jonasschnelli> Luke-Jr: Did you had a look at the TinyFormat.h we are using?
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1132016-09-16T16:26:30  <dgenr8> jonasschnelli: perfect, thank you!
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1392016-09-16T18:47:22  <Chris_Stewart_5> Does a full node remove a competing chain after X amount of blocks being ahead of it? Can a full node store competing chains for a small amount of time?
1402016-09-16T18:48:05  <sipa> if there is no pruning, we never prune
1412016-09-16T18:48:12  <sipa> if we do, we prune after some time
1422016-09-16T18:48:28  <sipa> regardless of whether it's main chain or not
1432016-09-16T18:49:00  <Chris_Stewart_5> Hmm interesting. I've always wondered about this. So it will store ALL blocks indefinitely as long as they are valid ( meet POW threshold, all valid txs, etc?)
1442016-09-16T18:49:33  <sipa> even invalid blocks
1452016-09-16T18:49:46  <sipa> because not all checks can be done immediately
1462016-09-16T18:51:00  <Chris_Stewart_5> Like  time on the relative scale of performing all sigops? Or time for something else that takes much longer?
1472016-09-16T18:54:09  <Chris_Stewart_5> sigops in the block*
1482016-09-16T18:54:46  <sipa> signature checks can only be done once we build the chainstate for tjat block, which requires processing the previous blocks
1492016-09-16T18:55:07  <sipa> if there is a reorganization, we don't do that until the chain takes over the other chain
1502016-09-16T18:57:40  <Chris_Stewart_5> Interesting, thanks for the explanation.
1512016-09-16T18:58:19  <sipa> but we do certainly validate pow and syntactic correctness before storing blocks on dizk
1522016-09-16T18:58:22  <sipa> *disk
1532016-09-16T18:58:40  <sipa> which means an attack to fill up nodes' disks would be very expensove
1542016-09-16T18:58:45  <sipa> *expensive
1552016-09-16T18:58:55  <Chris_Stewart_5> yeah, that was what I just thinking about
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1572016-09-16T19:01:33  <Chris_Stewart_5> What is the relative cost of a SHA256(SHA256()) compared to an ECDSA signature verification?
1582016-09-16T19:02:28  <Chris_Stewart_5> because if i'm understanding this correctly, to store that block we need to still build the merkle tree to check POW validity
1592016-09-16T19:05:36  <sipa> an ecdsa verification is equivalent to hashing around 15kB
1602016-09-16T19:07:47  <GitHub107> [bitcoin] jonnynewbs opened pull request #8747: [rpc] Fix transaction size comments and RPC help text. (master...rpc_comments) https://github.com/bitcoin/bitcoin/pull/8747
1612016-09-16T19:08:23  <Chris_Stewart_5> much cheaper i guess, haha.
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1662016-09-16T20:07:14  <jl2012> why SIGPUSHONLY is not a policy?
1672016-09-16T20:07:45  <luke-jr> ?
1682016-09-16T20:08:39  <sipa> it is part of strictenc, no?
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1752016-09-16T20:24:33  <luke-jr> Author: Johnson Lau <jl2012@users.noreply.github.com>
1762016-09-16T20:24:39  <luke-jr> jl2012: is this intentional?
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1782016-09-16T20:29:14  <luke-jr> jonasschnelli: no
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1812016-09-16T20:39:24  <luke-jr> are we closing nested templates with >>  now? is that safe?
1822016-09-16T20:43:16  <sipa> yes
1832016-09-16T20:43:29  <sipa> it's required to be supported by c++11
1842016-09-16T20:44:11  <sipa> you can't do it in c++03, as the lexer is required by the standard there to treat >> is a single token
1852016-09-16T20:45:51  <sipa> also, (personal opinion on style), i despise '> >'.
1862016-09-16T20:46:04  <luke-jr> >.>
1872016-09-16T20:46:40  <midnightmagic> that's 1940s /w 2
1882016-09-16T20:46:46  <midnightmagic> :-( sorry.
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