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  60 2017-12-07T02:45:06  <Usman_Mutawakil> Is their any documentation that expands on the details of the source code? I'm having difficulty finding the entry points.
  61 2017-12-07T02:45:13  <Usman_Mutawakil> there*
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  72 2017-12-07T03:00:12  <meshcollider> Usman_Mutawakil: The entry points of the programs, or the entry point to understanding it?
  73 2017-12-07T03:01:00  <Usman_Mutawakil> Both, initially the former
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  77 2017-12-07T03:31:31  <meshcollider> Usman_Mutawakil: the main() function for bitcoind is in bitcoind.cpp, for bitcoin-qt it is in qt/bitcoin.cpp and there is one in bitcoin-tx.cpp and bitcoin-cli.cpp for their respective binaries too
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 109 2017-12-07T05:14:22  <BGL> can anyone help me with instructions on storing the blockchain &/or the wallet seperately on windows, via symbolic link, drive/mount or anything that works?
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 114 2017-12-07T05:49:09  <meshcollider> BGL: are you using 0.15.1 or build of master?
 115 2017-12-07T05:49:24  <BGL> yeah newest copy
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 117 2017-12-07T05:50:01  <BGL> 0.15.1
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 120 2017-12-07T05:58:29  <jonasschnelli> cfields: ping (in case you are still awake)
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 123 2017-12-07T06:03:47  <cfields> jonasschnelli: pong, hi
 124 2017-12-07T06:04:03  <jonasschnelli> hi
 125 2017-12-07T06:05:21  <cfields> jonasschnelli: any chance you can get ahold of a dummy certificate signing request?
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 127 2017-12-07T06:05:36  <jonasschnelli> cfields: I have one here... one sec
 128 2017-12-07T06:05:44  <cfields> oh, that was easy :)
 129 2017-12-07T06:07:18  <jonasschnelli> cfields: there is now also the option to request ECC (up to 521 bits... though not sure if they will be accepted
 130 2017-12-07T06:07:35  <cfields> ah, nice
 131 2017-12-07T06:07:43  <cfields> we'd need to check back-compat too, though
 132 2017-12-07T06:07:50  <cfields> oh, i guess that's what you meant :)
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 136 2017-12-07T06:09:41  <jonasschnelli> cfields: Yes. Not sure if its accepted and backward compat... so better to go for RSA
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 138 2017-12-07T06:10:47  <cfields> got the dummies, thanks a bunch. It's late now, but I'll have a look in the morning.
 139 2017-12-07T06:11:13  <jonasschnelli> cfields: Sure. Just tell me if you want access to the apple developer programm interface
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 141 2017-12-07T06:13:08  <cfields> jonasschnelli: hmm, we probably need to keep that locked down. assuming that access would allow me to revoke the current or request a new cert.
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 144 2017-12-07T06:13:48  <jonasschnelli> cfields: I don't know how to best deal with that...
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 146 2017-12-07T06:19:56  <cfields> jonasschnelli: i wonder if it's possible to cancel your account without revoking the certs. a quick search turned up an email address to use for revoking without an account, so maybe that's possible?
 147 2017-12-07T06:20:20  <cfields> then a new account could be created for each renewal. Or would that require re-certification?
 148 2017-12-07T06:21:09  <jonasschnelli> cfields: the account setup is somehow cumbersome. I had to verify the account (by phone) because it's an organisation. You need a DUNS number, and need to pay 99USD.
 149 2017-12-07T06:22:11  <cfields> ah damn, ok. I was thinking the dev account and corp id might not be 100% tied together.
 150 2017-12-07T06:22:16  <jonasschnelli> cfields: and finally, it's social hackable. If we lock ourselfs out,.. apple probably has a solution to lock in again if the right person from the organisation authorizes himself
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 152 2017-12-07T06:22:55  <jonasschnelli> cfields: I can setup an new "team member". Maybe I can even revoke my own admin user (after have setup a new one)... but not sure how this would allow to improve things
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 155 2017-12-07T06:24:29  <cfields> yea, maybe not
 156 2017-12-07T06:25:13  <cfields> well, i guess the same threshold scheme would work for revocation as well. if ever necessary.
 157 2017-12-07T06:25:58  <cfields> ah nm, it'd be a different key
 158 2017-12-07T06:26:39  <cfields> (assuming someone got control of the account and created a new key)
 159 2017-12-07T06:27:09  <cfields> blah, I'll dive in tomorrow. thanks again :)
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 168 2017-12-07T07:11:03  <jonasschnelli> cfields: Yeah. Have some rest. I think it's not solvable in a secure way. On top, apple has control over everything. It's just code signing and does not ensure the binary has built properly. It's far less valuable then the gitian signatures...
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 178 2017-12-07T07:45:40  <warren> A while ago checkpoints were there in part to allow IBD to go a lot faster. The checkpoints are still in there now. After headersfirst, are those checkpoints in there still serving any IBD performance purpose?
 179 2017-12-07T07:47:45  <sipa> warren: no, we have assumevalid for that now
 180 2017-12-07T07:47:58  <sipa> the checkpoints are just there to prevent a low-work headers spam attack
 181 2017-12-07T07:49:33  <warren> thx.
 182 2017-12-07T07:50:31  <sipa> assumevalid was introduced in 0.13 or 0.14 iirc
 183 2017-12-07T07:50:54  <sipa> https://bitcoin.org/en/release/v0.14.0#introduction-of-assumed-valid-blocks
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 223 2017-12-07T09:40:26  <GAit> wumpus: is the ARM assembly optimization the one enabled by --enable-experimental-asm or there's something ARM specific that I missed?
 224 2017-12-07T09:40:50  <sipa> GAit: the libsecp256k1 ARM assembly? i don't think so
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 227 2017-12-07T09:41:55  <GAit> I was just going on about a comment from wumpus above about considering enabling by default the ARM assembly opt and I was wondering which flag would do that manually today
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 230 2017-12-07T09:47:36  <Sentineo> GAit: ./configure --with-asm=arm --enable-experimental
 231 2017-12-07T09:47:56  <GAit> Sentineo: thanks
 232 2017-12-07T09:48:02  <Sentineo> yw
 233 2017-12-07T09:49:48  <GAit> maybe it's just me but i find having both --enable-experimental-asm and having --with-asm=arm --enable-experimetal is a tiny bit confusing
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 236 2017-12-07T10:00:15  <meshcollider> Yeah GAit wumpus mentioned earlier today that some documentation is probably needed but he's not sure where the best place to put it is
 237 2017-12-07T10:04:39  <sipa> GAit: "--with-asm=arm --enable-experimental" are libsecp256k1 configure options; the " --enable-experimental-asm" is a bitcoin core configure option
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 240 2017-12-07T10:05:15  <sipa> together it does look confusing, i agree
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 250 2017-12-07T10:52:27  <wumpus> --with-asm=arm enables the secp256k1 arm assembly, --enable-experimental-asm does nothing for ARM afaik
 251 2017-12-07T10:53:12  <wumpus> (it might in the future if someone adds support for the ARM crypto intrinsics to bitcoin)
 252 2017-12-07T10:54:49  <wumpus> it'd be nice to be able to run gitian on non-x86 platforms, doing at least one such build would add reassurance against intel ME antics
 253 2017-12-07T10:56:56  <sipa> syncing on my kdroid was painfully slow as it flushed every few blocks in order to prune
 254 2017-12-07T10:57:18  <sipa> by making it only prune whwn kver 2x the prune target i made it an order of magnitude faster, i think
 255 2017-12-07T10:57:22  <sipa> *odroid
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 258 2017-12-07T11:02:24  <Sentineo> I run an odroid as well, the arm optimisation did help it a lot
 259 2017-12-07T11:02:32  <Sentineo> but my node is not pruned
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 263 2017-12-07T11:11:26  <Provoostenator> sipa: I'll keep my Xiaomi A1 around in case someone want to get some measurements for more efficient pruning during IDB...
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 265 2017-12-07T11:12:16  <Provoostenator> It took a little under 2 weeks
 266 2017-12-07T11:12:42  <Provoostenator> Using ABCore; I don't know if that uses any optimization.
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 269 2017-12-07T11:14:05  <esotericnonsense> pimping https://github.com/bitcoin/bitcoin/pull/11658 https://github.com/bitcoin/bitcoin/pull/11359
 270 2017-12-07T11:15:04  <Provoostenator> I also put a small bounty on #11720, as I'd love to try and run a full node on my iPhone X. I don't even have to prune it :-)
 271 2017-12-07T11:15:06  <gribble> https://github.com/bitcoin/bitcoin/issues/11720 | iOS Deployment Target for RPC · Issue #11720 · bitcoin/bitcoin · GitHub
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 273 2017-12-07T11:15:31  <wumpus> Provoostenator: their source is here: https://github.com/greenaddress/abcore  couldn't find the configure/compile flags there so quickly
 274 2017-12-07T11:15:41  <esotericnonsense> on pruning there's the seemingly longer-term thing of having writeback not flush (i haven't been paying attention to this for a while)
 275 2017-12-07T11:16:03  <wumpus> I don't think they're using our ARM builds, at least they didn't use to
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 277 2017-12-07T11:18:27  <Provoostenator> esotericnonsense: 11658 is wonderfully small
 278 2017-12-07T11:19:40  <esotericnonsense> i've only just seen it, i'm ill at the moment and trying to reason through the code isn't working. if it actually does what it says on the tin i like it and agree with promag that 10% is too little.
 279 2017-12-07T11:21:13  <esotericnonsense> wondering if there's some weird interaction with minimum prune size like if you are at 550MiB and use 50% can you end up with very few blocks.
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 282 2017-12-07T11:24:23  <Provoostenator> wumpus: I just nagged the author on Twitter, we'll see
 283 2017-12-07T11:25:22  <wumpus> might make sense to make their ndk build part of the standard gitian targets at some point
 284 2017-12-07T11:25:50  <Provoostenator> Maybe it should never go below 550, but any prune size above that will use some intelligent percentage.
 285 2017-12-07T11:26:00  <wumpus> anyhow if they reply please let me know what they use now
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 289 2017-12-07T11:34:20  <wumpus> jonasschnelli: Provoostenator: I also wonder if abcore added android ndk to the depends system (but never upstreamed it) or they're building their own dependencies somehow
 290 2017-12-07T11:35:01  <sipa> GAit is the author of abcore
 291 2017-12-07T11:35:11  <wumpus> oh lol
 292 2017-12-07T11:36:31  <Provoostenator> No, we should reach him through a screenshot of Twitter posted on Reddit with a link to this IRC log...
 293 2017-12-07T11:36:41  *** blackbaba has joined #bitcoin-core-dev
 294 2017-12-07T11:36:43  <wumpus> hahahahah
 295 2017-12-07T11:38:14  <sipa> Provoostenator: excuse me, but i'm sure you meant a screenshot of a slack with a bridge of this IRC channel :p
 296 2017-12-07T11:39:32  <Provoostenator> That too. How hard would it be to make that bridge two-way, somehow mapping and authenticating Slack names to IRC names for those who use both?
 297 2017-12-07T11:41:33  <wumpus> I'm would be surprised if there's not already software for that and you just have to stash it somewhere and configure it. But to be honest I'd prefer no bridges *to* this channel, in the interest of managing signal-to-noise.
 298 2017-12-07T11:42:28  <Provoostenator> I suppose most people who can compile from source can figure out IRC.
 299 2017-12-07T11:42:32  <GAit> lol
 300 2017-12-07T11:43:17  <GAit> so abcore used to use debian/archlinux build until core provided arm binaries. Now it uses ndk native builds, using github.com/greenaddress/bitcoin_ndk for the building part
 301 2017-12-07T11:43:52  <GAit> would love some feedback, it's very hacked up together (though I'm not too worried as abcore is experimental and in alpha)
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 303 2017-12-07T11:44:49  <GAit> to enable the arm optimization i will need to enable armv-7a (for Thumb-2)
 304 2017-12-07T11:45:09  <wumpus> Provoostenator: there you go: https://github.com/42wim/matterbridge  (#monero-dev seems to have this, not sure what they're bridging from)
 305 2017-12-07T11:45:23  <wumpus> GAit: thanks
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 307 2017-12-07T11:46:26  <GAit> I'm using clang as android ndk deprecated gcc and they are going to remove it
 308 2017-12-07T11:47:17  <GAit> however i had to use an older ndk than the latest because the latest has some issues/bad headers
 309 2017-12-07T11:47:48  <wumpus> GAit: one suggestion would be to benchmark whether thumb or arm instructions gives the best performance. I vaguely remember that for me, simple ARM32 instructions gave the best performance at some point at least on the secp256k1 benches, on i.mx6.
 310 2017-12-07T11:48:25  <Provoostenator> wumpus: nice. I suppose you don't really need individual user authentication for this, just as long as all messages end up on both services (without feedback loops).
 311 2017-12-07T11:48:52  <GAit> wumpus: you mean things like field_10x26_arm.s
 312 2017-12-07T11:49:21  <wumpus> GAit: I mean the code generation of the compiler, what kind of instructions it generates, whether it uses the processor in ARM or THUMB mode (or interwork)
 313 2017-12-07T11:50:18  <GAit> indeed to make sure one would  need to benchmark. but before you can benchmark you need to get it to work, and i will have to enable v7a/thumb-2 otherwise i get rc/asm/field_10x26_arm.s:109:2: error: instruction requires: thumb2
 314 2017-12-07T11:50:32  <wumpus> THUMB usually results in more compact code, but ARM instructions allow more flexibility, so doing more in less instructions. Then again this was relevant for ARM32, probably not for AARCH64.
 315 2017-12-07T11:52:20  <wumpus> GAit: just looked at the bitcoin_ndk build a bit and doesn't seem like it needs huge patches, I guess the introduction of src/ifaddrs.c is the biggest change
 316 2017-12-07T11:53:39  <GAit> wumpus: yes, it doesn't need much patching. Not with this ndk version anyway. Had to do a lot more with later and still didn't manage so i gave up.
 317 2017-12-07T11:53:51  <wumpus> I vaguely remember needing to do the "i686_linux_CC=$(default_host_CC) -m32" change in linux.mk as well. This was for building depends on ARM64, for ARM64. Depends is really rooted in 'we build from x86 linux' right now.
 318 2017-12-07T11:54:09  <wumpus> hmm okay
 319 2017-12-07T11:54:58  <GAit> I'm terrible at make/build otherwise i'd see if i could make a PR or more out of it
 320 2017-12-07T11:55:09  <wumpus> so building bitcoin core on most recent ndk is an open issue?
 321 2017-12-07T11:55:15  <GAit> (assuming there was interest)
 322 2017-12-07T11:55:22  <wumpus> there's certainly interest
 323 2017-12-07T11:55:31  <GAit> yes, i can do that on a branch so that you can see the travis log
 324 2017-12-07T11:56:26  <wumpus> going to open an issue for that
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 326 2017-12-07T12:02:41  <wumpus> GAit: just opened #11844 feel free to post that there so people have an idea what the open problems are
 327 2017-12-07T12:02:42  <gribble> https://github.com/bitcoin/bitcoin/issues/11844 | Bitcoin core build on Android NDK · Issue #11844 · bitcoin/bitcoin · GitHub
 328 2017-12-07T12:07:01  <wumpus> FYI some people have also been building bitcoin core natively on android using termux (#11388), but that uses a debian derivative not NDK
 329 2017-12-07T12:07:03  <gribble> https://github.com/bitcoin/bitcoin/issues/11388 | Building within termux fails with incomplete type CBlock · Issue #11388 · bitcoin/bitcoin · GitHub
 330 2017-12-07T12:07:45  <wumpus> oh that was esotericnonsense :)
 331 2017-12-07T12:07:50  <GAit> great, thanks wumpus . Oh I didn't know about termux having core builds, i searched in their repos. I was going to try that after failing on NDK but eventually trying different things got it to work
 332 2017-12-07T12:08:43  <esotericnonsense> GAit: it doesn't, i built it on termux
 333 2017-12-07T12:09:00  <esotericnonsense> i don't have the time to maintain it so didn't submit to packages
 334 2017-12-07T12:10:16  <wumpus> agree, distro packages for bitcoin are a bad idea if they're not maintained
 335 2017-12-07T12:10:42  <wumpus> tends to keep a share of the users permanently stuck in the past
 336 2017-12-07T12:12:07  *** noglar_ has joined #bitcoin-core-dev
 337 2017-12-07T12:13:01  <Sentineo> bitcoins build system is awasome anyway, do not feel the lack of an official distro package per distribution
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 340 2017-12-07T12:16:06  <wumpus> yes it's pretty neat, quite uncommon for open source projects to ship with scripts to easily build dependencies
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 342 2017-12-07T12:16:56  <Sentineo> the only thing I could not manage is the gitian build
 343 2017-12-07T12:17:05  <Sentineo> but I did not try hard enough :)
 344 2017-12-07T12:17:37  <GAit> wumpus: indeed I would have never managed without the build system being 'generic' and being battle tested against arm
 345 2017-12-07T12:17:46  <wumpus> yeah gitian could definitely be easier
 346 2017-12-07T12:18:32  <Provoostenator> I still have some notes for a future Gitian documentation improvement PR, but I'd like to do a few more builds to wrap my head around it.
 347 2017-12-07T12:19:30  <Sentineo> Provoostenator: if you have a draft I would be happe to at least give you feedback :)
 348 2017-12-07T12:19:34  <Provoostenator> I'd like to get it to a point where anyone with OSX (others can do Linux / Windows) and very little sysadmin skills can sign a build.
 349 2017-12-07T12:19:45  *** esotericnonsense has quit IRC
 350 2017-12-07T12:20:44  <Provoostenator> Sentineo: my scribbled notes are worse than the actual documentation :-)
 351 2017-12-07T12:21:09  <Sentineo> :) ok, just in case ... let me know
 352 2017-12-07T12:21:18  <wumpus> but better than nothing at all probably
 353 2017-12-07T12:22:01  <Provoostenator> I also wonder if it's possible to verify an OSX signed binary without gitian signers having to sign off on the signed binary.
 354 2017-12-07T12:22:39  <Provoostenator> I.e. isn't it possible to unpack a signed binary, strip the signature and then check that against the unsigned gitian build?
 355 2017-12-07T12:23:14  <Provoostenator> I'd need to study how OSX code signing actually works.
 356 2017-12-07T12:24:30  <wumpus> it's possible, but if gitian signers don't sign off on the signed binary that makes verification of hashes a lot harder. No longer can you just use sha256, but need a script, which might have been tampered with itself!
 357 2017-12-07T12:25:23  <Provoostenator> Right, so that would only make sense if the script is trivial enough that it fits on a T-shirt.
 358 2017-12-07T12:25:25  <wumpus> we looked at the inverse approach that you describe back in the day that we introduced signed executables, but decided not to because of drawbacks like that
 359 2017-12-07T12:25:48  <wumpus> right, and it takes some serious binary surgery so that's likely not the case and will have dependencies of itself
 360 2017-12-07T12:26:21  <Provoostenator> "Binary surgery" - lol
 361 2017-12-07T12:26:58  <Provoostenator> It's weird though; these executables work, so you'd think everything is already in the system...
 362 2017-12-07T12:30:47  *** microapple has joined #bitcoin-core-dev
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 364 2017-12-07T12:43:16  *** SopaXorzTaker has joined #bitcoin-core-dev
 365 2017-12-07T12:53:30  <bitcoin-git> [bitcoin] laanwj closed pull request #11602: utils: removed deprecated check and function for OpenSSL compatiblity (master...old_openssl_names) https://github.com/bitcoin/bitcoin/pull/11602
 366 2017-12-07T12:56:32  *** Emcy_ has joined #bitcoin-core-dev
 367 2017-12-07T12:59:01  <GAit> wumpus: so for arm/thumb i can't just set global CFLAGS because otherwise native_ccaache will pick them up and break, suggest hacking linux.mk or is there an easy way maybe to disable native_ccache
 368 2017-12-07T12:59:50  *** Emcy has quit IRC
 369 2017-12-07T12:59:55  <wumpus> could add a NO_CCACHE that works similar to NO_WALLET NO_QT etc, but no currently that doesn't exist
 370 2017-12-07T13:00:36  <wumpus> but I agree that is inconvenient, maybe cfields has a simpler sugggestion
 371 2017-12-07T13:01:23  <GAit> well disabling it would be a hack, if itn's not there i think is better that i patch directly linux.mk to add my cflags there. Or, I could set them maybe just for the core build and not for the dependencies.
 372 2017-12-07T13:01:31  <wumpus> "passing global cflags for the target" would be nice as a supported option for depends, no matter ccache
 373 2017-12-07T13:01:45  <GAit> yes indeed it would
 374 2017-12-07T13:02:10  <wumpus> I've run into similar issues in experimentation but also ended up patching makefiles
 375 2017-12-07T13:02:30  <GAit> i feel terrible/funny because i assumed it was possible and felt too embarassed to ask how so i've been looking and patching when i didn't find a better way
 376 2017-12-07T13:04:00  <GAit> anyway for now i'll try to set the flags just for the core build and not for the deps, unless that's stupid for some reason
 377 2017-12-07T13:06:39  <GAit> by the way, I think it's curious how ccache picks up my cflags but not my cc or cxx env vars
 378 2017-12-07T13:07:47  <wumpus> none of the dependencies that are not built into bitcoin's source tree are performance critical (maybe with the exception of boost, but that's mostly header only?)
 379 2017-12-07T13:08:24  <wumpus> so if you're experimenting with build flags setting them just for the core build is probably fine
 380 2017-12-07T13:09:46  <bitcoin-git> [bitcoin] laanwj pushed 2 new commits to master: https://github.com/bitcoin/bitcoin/compare/497d0e014cc7...7630a1fe9a4c
 381 2017-12-07T13:09:46  <bitcoin-git> bitcoin/master 529b866 MeshCollider: Test datadir in conf file exists
 382 2017-12-07T13:09:47  <bitcoin-git> bitcoin/master 7630a1f Wladimir J. van der Laan: Merge #11829: Test datadir specified in conf file exists...
 383 2017-12-07T13:11:19  *** wxss has joined #bitcoin-core-dev
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 385 2017-12-07T13:15:25  <GAit> wumpus: cool, ta
 386 2017-12-07T13:16:15  *** jimJackson has quit IRC
 387 2017-12-07T13:17:03  <wumpus> (there's a similar consideration on whether to do flto on just bitcoin core or all the dependencies as well. Though that experiment was put on hold when it turned out flto somehow negatively affected performance, at least in a specific case)
 388 2017-12-07T13:21:42  *** pkx2 has joined #bitcoin-core-dev
 389 2017-12-07T13:22:34  <GAit> wumpus: i've updated the issue you raised with the specific failure, has to do with NDK doing something stupid and the woraround would be to not set FILE_OFFSET_BITS
 390 2017-12-07T13:22:43  <GAit> only breaks on 32 bit, on 64 bit it works
 391 2017-12-07T13:22:55  <wumpus> okay at least easy to work around then, good
 392 2017-12-07T13:23:56  <GAit> well it wasn't that easy for me, i tried to unset it in a couple of places but probably i just misunderstood how it worked
 393 2017-12-07T13:24:15  <GAit> or what was setting it. I think core sets it
 394 2017-12-07T13:24:21  <GAit> but maybe some of the deps too?
 395 2017-12-07T13:25:07  <GAit> anyway after a long intensive and unfruitful discussion with the ndk that's when i just went to an earlier version
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 398 2017-12-07T13:28:47  <bitcoin-git> [bitcoin] wjcloud opened pull request #11845: Add gitian PGP key: wjcloud (master...p) https://github.com/bitcoin/bitcoin/pull/11845
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 401 2017-12-07T13:39:10  <wumpus> yes, core sets it in configure.ac
 402 2017-12-07T13:39:55  <GAit> yes so i tried to unset it there but i think it still failed, i.e. something else was setting it too, or at least that's what i recall
 403 2017-12-07T13:41:49  <wumpus> indeed,if that was all then we could just stop setting it when ndk build detected
 404 2017-12-07T13:42:24  *** promag has joined #bitcoin-core-dev
 405 2017-12-07T13:45:03  <GAit> the asm flags passed to core only break the configure, doesn't find boost sleep, i assume both (or neither) need them can't do it half and half
 406 2017-12-07T13:47:04  <wumpus> can you pastebin configure.log part where the boost sleep test fails? it has the detailed error message
 407 2017-12-07T13:47:19  <wumpus> the "cannot find boost sleep" error is completely useless in that regard it can mean so many things
 408 2017-12-07T13:48:47  <wumpus> would make sense to structure the boost detection differently, so that it first tries if it can compile/link anything against boost and only then try to find the sleep function to use
 409 2017-12-07T13:49:33  *** gonzazoid has joined #bitcoin-core-dev
 410 2017-12-07T13:49:51  <GAit> sure one sec
 411 2017-12-07T13:51:55  *** j_ has joined #bitcoin-core-dev
 412 2017-12-07T13:52:54  <GAit> wumpus: https://pastebin.com/vUVcQSV9
 413 2017-12-07T13:53:38  <GAit> chokes on choke me
 414 2017-12-07T13:54:03  <wumpus> errors like /build/bitcoin-0.15.1/depends/arm-linux-androideabi/share/../lib/libboost_system-mt.a(error_code.o)(.ARM.extab+0xc): error: undefined reference to '__gxx_personality_v0'  look scarier
 415 2017-12-07T13:54:25  <wumpus> looks like it can't even link the c++ standard libary
 416 2017-12-07T13:54:37  <wumpus> so yes, apparently that doesn't work
 417 2017-12-07T13:55:33  <GAit> for what is worth this is master of bitcoin_ndk with extra "-march=armv7-a -mthumb" cflags for the core part (not the deps) of arm (not arm64)
 418 2017-12-07T13:55:46  <GAit> cflags and cxxflags to be precise
 419 2017-12-07T14:00:25  <wumpus> strange
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 421 2017-12-07T14:06:27  *** dqx has joined #bitcoin-core-dev
 422 2017-12-07T14:06:42  <wumpus> I wonder which of those two is the culprit
 423 2017-12-07T14:07:35  <wumpus> my guess would be at changing the arch
 424 2017-12-07T14:08:56  <wumpus> there are some compiler settings that effectively need a new build root but I've never noticed thumb/arm to be one of those
 425 2017-12-07T14:10:26  <wumpus> oh I remember it depends on the setting of interwork, ift that's not enabled you can't mix thumb and ARM. But it's pretyt much the default for a long time for linux distros at least.
 426 2017-12-07T14:11:05  *** dqx has quit IRC
 427 2017-12-07T14:11:36  <GAit> maybe because i'm using clang the toolchain is not assuming linux? not sure
 428 2017-12-07T14:12:07  <wumpus> it could all be different for ndk which is not really linux
 429 2017-12-07T14:12:21  <GAit> kernel is linux, but no gnuland
 430 2017-12-07T14:12:53  <wumpus> kernel is a specially patched kernel to add bind etc, or are the android patches upstream now?
 431 2017-12-07T14:13:24  <wumpus> binder*
 432 2017-12-07T14:14:01  <wumpus> but yes that part is compatible in one direction, you can run debian rootfs' on android, but not android rootfs on debian
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 774 2017-12-07T14:57:12  <promag> wumpus: if you feel like merging something 11838 :P
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 777 2017-12-07T15:07:31  <bitcoin-git> [bitcoin] sdaftuar opened pull request #11847: Make boost::multi_index comparators const (master...2017-12-fix-const-comparator) https://github.com/bitcoin/bitcoin/pull/11847
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 789 2017-12-07T15:24:42  <promag> jnewbery: rebasing #10160?
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 821 2017-12-07T16:37:47  <wumpus> promag: thanks
 822 2017-12-07T16:38:07  <bitcoin-git> [bitcoin] laanwj pushed 2 new commits to master: https://github.com/bitcoin/bitcoin/compare/7630a1fe9a4c...3e5002412002
 823 2017-12-07T16:38:07  <bitcoin-git> bitcoin/master fa4c16d MarcoFalke: qa: Add getrawtransaction in_active_chain=False test
 824 2017-12-07T16:38:08  <bitcoin-git> bitcoin/master 3e50024 Wladimir J. van der Laan: Merge #11838: qa: Add getrawtransaction in_active_chain=False test...
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 833 2017-12-07T16:41:07  <bitcoin-git> [bitcoin] laanwj closed pull request #11809: gui: Fix proxy setting options dialog crash (master...2017_12_gui_proxy_robustness) https://github.com/bitcoin/bitcoin/pull/11809
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 836 2017-12-07T16:44:54  <darklegacy> hii
 837 2017-12-07T16:45:17  <darklegacy> any one there
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 841 2017-12-07T16:45:53  <darklegacy> hyyyyyyyyyyyyyyyyyyyy
 842 2017-12-07T16:46:00  <instagibbs> no
 843 2017-12-07T16:46:00  <darklegacy> helooo
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 847 2017-12-07T16:46:20  <instagibbs> more seriously: this channel is for Core development discussion, please no chatter
 848 2017-12-07T16:46:24  <instagibbs> #bitcoin for chatter
 849 2017-12-07T16:46:39  <darklegacy> can some one teach me how to mine bitcoin
 850 2017-12-07T16:47:12  <darklegacy> where to start???
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 854 2017-12-07T16:50:50  <promag_> wumpus: meeting in about 2 hours right?
 855 2017-12-07T16:51:05  *** microapple has quit IRC
 856 2017-12-07T16:51:06  <wumpus> promag_: yes
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 859 2017-12-07T16:51:35  <promag> thank, probably I'll be late, have to get kids..
 860 2017-12-07T16:52:09  *** DvdKhl has joined #bitcoin-core-dev
 861 2017-12-07T16:52:51  <wumpus> date -u -> 19:00 UTC
 862 2017-12-07T16:52:57  <promag> ok
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 864 2017-12-07T16:53:02  <wumpus> ok well feel free to drop in later
 865 2017-12-07T16:53:59  <promag> I would like to discuss #11826 as it interacts with other PR's
 866 2017-12-07T16:54:01  <gribble> https://github.com/bitcoin/bitcoin/issues/11826 | RFC: Activity feature · Issue #11826 · bitcoin/bitcoin · GitHub
 867 2017-12-07T16:54:16  <promag> end of queue thou
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 889 2017-12-07T17:38:09  <bitcoin-git> [bitcoin] laanwj pushed 2 new commits to master: https://github.com/bitcoin/bitcoin/compare/80f9dad0b799...4ef4dfebbc07
 890 2017-12-07T17:38:09  <bitcoin-git> bitcoin/master 1ec0c0a Suhas Daftuar: Make boost::multi_index comparators const...
 891 2017-12-07T17:38:10  <bitcoin-git> bitcoin/master 4ef4dfe Wladimir J. van der Laan: Merge #11847: Make boost::multi_index comparators const...
 892 2017-12-07T17:38:44  <bitcoin-git> [bitcoin] laanwj closed pull request #11847: Make boost::multi_index comparators const (master...2017-12-fix-const-comparator) https://github.com/bitcoin/bitcoin/pull/11847
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 916 2017-12-07T18:12:28  <Mg> Join
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 918 2017-12-07T18:12:42  *** Mg is now known as Guest82059
 919 2017-12-07T18:13:35  <Guest82059> CSbreakdown
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 922 2017-12-07T18:15:46  <Guest82059> How can i do mining of bitcoin
 923 2017-12-07T18:15:59  <belcher> wrong channel, try #bitcoin
 924 2017-12-07T18:16:00  <sipa> #bitcoin
 925 2017-12-07T18:16:26  <Guest82059> Mining of #bitcoin
 926 2017-12-07T18:16:41  <sipa> please, not here. go to #bitcoin
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 950 2017-12-07T18:56:42  <jonasschnelli> re BTC message signing: what is the "vchSig[0] = 27 + rec + (fCompressed ? 4 : 0);". Is that packing the recid together with the compress-flag into a single byte?
 951 2017-12-07T18:56:54  <jonasschnelli> Why 27?
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 953 2017-12-07T19:00:46  <achow101> meeting?
 954 2017-12-07T19:00:51  <wumpus> #startmeeting
 955 2017-12-07T19:00:51  <lightningbot> Meeting started Thu Dec  7 19:00:51 2017 UTC.  The chair is wumpus. Information about MeetBot at http://wiki.debian.org/MeetBot.
 956 2017-12-07T19:00:51  <lightningbot> Useful Commands: #action #agreed #help #info #idea #link #topic.
 957 2017-12-07T19:00:52  <instagibbs> yes
 958 2017-12-07T19:01:04  <meshcollider> hi
 959 2017-12-07T19:01:05  *** Giszmo has quit IRC
 960 2017-12-07T19:01:21  <wumpus> #bitcoin-core-dev Meeting: wumpus sipa gmaxwell jonasschnelli morcos luke-jr btcdrak sdaftuar jtimon cfields petertodd kanzure bluematt instagibbs phantomcircuit codeshark michagogo marcofalke paveljanik NicolasDorier jl2012 achow101 meshcollider jnewbery maaku fanquake promag
 961 2017-12-07T19:01:26  <jonasschnelli> hi
 962 2017-12-07T19:01:38  <cfields> hi
 963 2017-12-07T19:01:38  <Provoostenator> hi
 964 2017-12-07T19:01:46  <wumpus> #topic high priority for review
 965 2017-12-07T19:01:49  <achow101> hi
 966 2017-12-07T19:01:55  <wumpus> https://github.com/bitcoin/bitcoin/projects/8
 967 2017-12-07T19:02:52  <wumpus> there was lots of review on #11403 this week
 968 2017-12-07T19:02:57  <gribble> https://github.com/bitcoin/bitcoin/issues/11403 | SegWit wallet support by sipa · Pull Request #11403 · bitcoin/bitcoin · GitHub
 969 2017-12-07T19:02:59  <wumpus> but nothing ready for merge yet AFAIK
 970 2017-12-07T19:03:13  <kanzure> hi.
 971 2017-12-07T19:03:22  <jnewbery> hello
 972 2017-12-07T19:03:28  * BlueMatt is working on reviewing it now...lots of "ehh, you should clean this up instead of hacking around it" type things which may get pushed to a new pr, but nothing broken yet
 973 2017-12-07T19:03:35  <sipa> hi, only half here
 974 2017-12-07T19:03:46  <BlueMatt> re: high prio #11383 should probably be taken off
 975 2017-12-07T19:03:49  <gribble> https://github.com/bitcoin/bitcoin/issues/11383 | Basic Multiwallet GUI support by luke-jr · Pull Request #11383 · bitcoin/bitcoin · GitHub
 976 2017-12-07T19:03:52  <BlueMatt> cause luke-jr hasnt kept up with it
 977 2017-12-07T19:04:08  <wumpus> sipa: which half?
 978 2017-12-07T19:04:10  <BlueMatt> jnewbery: promised me he'd rebase #10740
 979 2017-12-07T19:04:13  <gribble> https://github.com/bitcoin/bitcoin/issues/10740 | [wallet] dynamic loading/unloading of wallets by jnewbery · Pull Request #10740 · bitcoin/bitcoin · GitHub
 980 2017-12-07T19:04:19  <wumpus> BlueMatt: ok
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 983 2017-12-07T19:04:47  <instagibbs> will retest segwit wallet/qt pr on top of #11839
 984 2017-12-07T19:04:49  <jonasschnelli> I'll try to take over 11383 (we should have this in 0.16)
 985 2017-12-07T19:04:49  <gribble> https://github.com/bitcoin/bitcoin/issues/11839 | dont attempt mempool entry for wallet transactions on startup if alr… by instagibbs · Pull Request #11839 · bitcoin/bitcoin · GitHub
 986 2017-12-07T19:04:49  <promag> hi
 987 2017-12-07T19:05:07  <BlueMatt> oh, yea, 11839 should be tagged 0.16
 988 2017-12-07T19:05:09  *** SopaXorzTaker has quit IRC
 989 2017-12-07T19:05:10  <BlueMatt> its a trivial fix, I think
 990 2017-12-07T19:05:44  <BlueMatt> jonasschnelli: no need to take it over if instagibbs is active on it?
 991 2017-12-07T19:05:51  <wumpus> if it's a trival fix it should probably be merged instead of tagged?
 992 2017-12-07T19:06:00  <instagibbs> BlueMatt, wrong PR, just looks like he mentioned it i think?
 993 2017-12-07T19:06:11  <jonasschnelli> I'm doing the Multiwalltet GUI PR
 994 2017-12-07T19:06:13  <instagibbs> that's multiwallet
 995 2017-12-07T19:06:20  <BlueMatt> ohoh, yea, wrong #
 996 2017-12-07T19:06:27  * BlueMatt suggested an alternative fix for 11839, so thats just pending disucssion of "the right fix"
 997 2017-12-07T19:06:32  <BlueMatt> all options are relatively trivial
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1000 2017-12-07T19:07:13  <BlueMatt> #11824 may be mergeable with another review to fix reindex on master, jamesob indicated his issue was the result of "running wrong build"
1001 2017-12-07T19:07:13  *** SopaXorzTaker has joined #bitcoin-core-dev
1002 2017-12-07T19:07:15  <gribble> https://github.com/bitcoin/bitcoin/issues/11824 | Block ActivateBestChain to empty validationinterface queue by TheBlueMatt · Pull Request #11824 · bitcoin/bitcoin · GitHub
1003 2017-12-07T19:08:10  <achow101> I think #11824 can be merged.
1004 2017-12-07T19:08:12  <gribble> https://github.com/bitcoin/bitcoin/issues/11824 | Block ActivateBestChain to empty validationinterface queue by TheBlueMatt · Pull Request #11824 · bitcoin/bitcoin · GitHub
1005 2017-12-07T19:08:37  <wumpus> #action merge #11824
1006 2017-12-07T19:08:39  <gribble> https://github.com/bitcoin/bitcoin/issues/11824 | Block ActivateBestChain to empty validationinterface queue by TheBlueMatt · Pull Request #11824 · bitcoin/bitcoin · GitHub
1007 2017-12-07T19:08:46  <achow101> I did notice another OOM issue I think, but it looked like to be hard to reproduce and required significant uptime
1008 2017-12-07T19:09:23  <BlueMatt> achow101: I failed to find any hidden memory in massif, but I'm still doing runs in it so will look further
1009 2017-12-07T19:09:50  *** intcat has joined #bitcoin-core-dev
1010 2017-12-07T19:10:22  <wumpus> do we have a memory leak?
1011 2017-12-07T19:11:00  <BlueMatt> I dont (currently) believe so...master will OOM during reindex cause validation runs ahead of validationinterface and memory grows huge, but its not technically a leak cause it will catch up eventually if you have enough memory to do it
1012 2017-12-07T19:11:03  <wumpus> I haven't had any OOM crashes FWIW
1013 2017-12-07T19:11:04  <BlueMatt> 11824 fixes that
1014 2017-12-07T19:11:09  <jonasschnelli> Did also a quick run with my leak tool and some stuff popped up. leveldb, bdb ansd some other things
1015 2017-12-07T19:11:10  *** pkx2 has joined #bitcoin-core-dev
1016 2017-12-07T19:11:31  <jonasschnelli> Will have a closer look soon
1017 2017-12-07T19:11:41  <wumpus> oh, only during reindex, I haven't done that recently
1018 2017-12-07T19:11:43  <BlueMatt> topics?
1019 2017-12-07T19:12:01  <BlueMatt> wumpus: could also happen directly after restart if you've been offline for a month or whatever
1020 2017-12-07T19:12:18  <achow101> or during IBD
1021 2017-12-07T19:12:25  <wumpus> I think an OOM issue is a pretty serious topic? but other suggestions are welcome of course
1022 2017-12-07T19:12:44  <morcos> if anyone objects to my "won't fix" of #11800, speak up now.  will update code comments per ryanofsky suggestion
1023 2017-12-07T19:12:46  <gribble> https://github.com/bitcoin/bitcoin/issues/11800 | Bitcoin is returning higher fees for 36 block window than 2 block window (on testnet) · Issue #11800 · bitcoin/bitcoin · GitHub
1024 2017-12-07T19:12:50  <BlueMatt> well I think we've at least gotten 97% of it down, several folks looking into the last 3 and it may be a false positive
1025 2017-12-07T19:12:51  <Provoostenator> OOM?
1026 2017-12-07T19:12:59  <michagogo> Out Of Memory
1027 2017-12-07T19:13:13  <achow101> wumpus: the only known OOM right now is fixed by 11824
1028 2017-12-07T19:13:18  <BlueMatt> achow101: ibd seems less likely cause time spent downloading blocks is time for wallet to catch up...
1029 2017-12-07T19:13:19  <wumpus> achow101: ok
1030 2017-12-07T19:13:42  <wumpus> on to morcos' topic
1031 2017-12-07T19:13:45  * BlueMatt makes a quick note that, of the high-priority-to-review items, #11363 is very easy to review and has been sitting for a while
1032 2017-12-07T19:13:46  <wumpus> #topic Bitcoin is returning higher fees for 36 block window than 2 block window (on testnet)
1033 2017-12-07T19:13:47  <gribble> https://github.com/bitcoin/bitcoin/issues/11363 | net: Split socket create/connect by theuni · Pull Request #11363 · bitcoin/bitcoin · GitHub
1034 2017-12-07T19:14:11  <wumpus> #action review #11363
1035 2017-12-07T19:14:14  <gribble> https://github.com/bitcoin/bitcoin/issues/11363 | net: Split socket create/connect by theuni · Pull Request #11363 · bitcoin/bitcoin · GitHub
1036 2017-12-07T19:14:26  <wumpus> anyone opposing 'wontfix' there?
1037 2017-12-07T19:14:43  <jonasschnelli> we should at least know why
1038 2017-12-07T19:14:53  <BlueMatt> jonasschnelli: morcos had a writeup on the issue
1039 2017-12-07T19:15:00  <jonasschnelli> #?
1040 2017-12-07T19:15:00  <cfields> BlueMatt: thanks :)
1041 2017-12-07T19:15:06  <BlueMatt> #11800
1042 2017-12-07T19:15:06  <morcos> 11800
1043 2017-12-07T19:15:07  <gribble> https://github.com/bitcoin/bitcoin/issues/11800 | Bitcoin is returning higher fees for 36 block window than 2 block window (on testnet) · Issue #11800 · bitcoin/bitcoin · GitHub
1044 2017-12-07T19:15:07  <wumpus> morcos posted that
1045 2017-12-07T19:15:09  <wumpus> right
1046 2017-12-07T19:16:09  <wumpus> so the situation is pretty much unique to testnet and extremely unlikley on mainnet
1047 2017-12-07T19:16:13  <jonasschnelli> IMO low prio or even "won't fix"
1048 2017-12-07T19:16:52  <BlueMatt> yea, I mean I think I'd prefer to not call it "wont fix", but certainly not anything worth spending time on compared to other priorities
1049 2017-12-07T19:16:53  <wumpus> I tend to agree, very low priority if it only affects testnet's wildness
1050 2017-12-07T19:17:24  <jonasschnelli> what BlueMatt said
1051 2017-12-07T19:17:35  <wumpus> we kind of know that the current testnet isn't realistic
1052 2017-12-07T19:17:44  <wumpus> a frequent request is a more realistic testnet FWIW
1053 2017-12-07T19:18:46  <BlueMatt> suggested topic: testnet4
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1055 2017-12-07T19:19:01  <midnightmagic> the data in tn3 is fairly valuable on its own. if any tn reset is being considered for a pullreq it would be really nice to effect a high-quality preservation of tn3. like an option or something to put it into archive-mode.
1056 2017-12-07T19:19:20  <BlueMatt> you mean as test-cases?
1057 2017-12-07T19:19:27  <promag> next topic? btw I would like to have more NACK/ACK on #11826
1058 2017-12-07T19:19:28  <gribble> https://github.com/bitcoin/bitcoin/issues/11826 | RFC: Activity feature · Issue #11826 · bitcoin/bitcoin · GitHub
1059 2017-12-07T19:19:29  <midnightmagic> as test-cases and historical reference.
1060 2017-12-07T19:19:33  <Provoostenator> What about cherry-picking interesting testnet3 transactions?
1061 2017-12-07T19:19:56  <wumpus> no tn reset is being considered
1062 2017-12-07T19:20:07  <jonasschnelli> That's more regression testing?
1063 2017-12-07T19:20:18  <BlueMatt> wumpus: please add comma, or do you mean we're not considering it?
1064 2017-12-07T19:20:19  <wumpus> keeping tn3 support is fine
1065 2017-12-07T19:20:22  <midnightmagic> okay. sorry, carry on. :)
1066 2017-12-07T19:20:51  <wumpus> BlueMatt: huh? yes I mean we're not considering it. Any new testnet would be an addition, I think.
1067 2017-12-07T19:21:20  <BlueMatt> I meannn...I guess thats fine? I think I was considering just moving to testnet4
1068 2017-12-07T19:21:28  <wumpus> (still not sure where to add the comma)
1069 2017-12-07T19:21:48  <BlueMatt> if nothing else testnet3 with a mindiff higher than 1, and to not have a million blocks
1070 2017-12-07T19:22:09  <BlueMatt> lots of complaints about even spv sync time in testnet3 cause of so many blocks
1071 2017-12-07T19:22:12  <morcos> i vote we do segwit wallet support first
1072 2017-12-07T19:22:17  <wumpus> there was some talk of doing a testnet with signed blocks which simulates behavior of the mainnet
1073 2017-12-07T19:22:26  <wumpus> morcos: yes, absolutely
1074 2017-12-07T19:22:27  <BlueMatt> i mean thats also of interest, yea
1075 2017-12-07T19:22:36  <phantomcircuit> huh what im here
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1077 2017-12-07T19:22:45  <meshcollider> topic suggestion: the various config file PRs
1078 2017-12-07T19:22:55  <adiabat> testnet having lots of headers needed for SPV may motivate more efficient header transmission
1079 2017-12-07T19:22:59  <meshcollider> e.g. #10996 and #10267
1080 2017-12-07T19:23:01  <gribble> https://github.com/bitcoin/bitcoin/issues/10996 | Add per-network config file network.conf by ajtowns · Pull Request #10996 · bitcoin/bitcoin · GitHub
1081 2017-12-07T19:23:03  <gribble> https://github.com/bitcoin/bitcoin/issues/10267 | New -includeconf argument for including external configuration files by kallewoof · Pull Request #10267 · bitcoin/bitcoin · GitHub
1082 2017-12-07T19:23:08  <wumpus> #topic config file handling
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1084 2017-12-07T19:24:11  <meshcollider> We have to work out what configurations we should support, e.g. whether -conf should be repeatable, whether we have -includeconf, -netconf and -conf, etc.
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1086 2017-12-07T19:24:18  <wumpus> so the question is pretty much whether to do per-network config file
1087 2017-12-07T19:24:22  <jonasschnelli> IMO the config layers are already complex... not sure if we want to add more
1088 2017-12-07T19:24:23  <meshcollider> its getting a bit messy
1089 2017-12-07T19:24:25  <wumpus> or -testnet-X and -regtest-X
1090 2017-12-07T19:24:38  <jonasschnelli> There are serval levels and multiple files
1091 2017-12-07T19:24:49  <wumpus> where X are options like port, walletdir, logfile, which are only useful per network
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1093 2017-12-07T19:25:37  <wumpus> currently if you define e.g. port or bind in bitcoin.conf you will get collisions when you run both testnet and mainnet on the same machine
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1095 2017-12-07T19:25:53  <meshcollider> one idea I had was suggested in https://github.com/bitcoin/bitcoin/pull/10996#issuecomment-346189099, basically we default to using root-level bitcoin.conf and network specific network.conf if they exist, but if -conf is specified then we just use that and not the network specific one too
1096 2017-12-07T19:26:02  <wumpus> so one potential solution for that was to do per-network config files, but as said that makes things reallly complex
1097 2017-12-07T19:26:08  <meshcollider> and then allow -conf to be repeatable?
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1099 2017-12-07T19:26:11  <wumpus> so an alternative proposal was just to do -regtest-port -testnet-port etc
1100 2017-12-07T19:26:26  <jonasschnelli> wumpus: +1
1101 2017-12-07T19:26:31  <aj> from 10267, having conf repeatable or includeconf recursive seems hard to implement well; currently it only handles a single additional config file aiui
1102 2017-12-07T19:26:32  <wumpus> and I think I like that
1103 2017-12-07T19:26:39  <meshcollider> wumpus what about unique addnode's for each network
1104 2017-12-07T19:26:47  <wumpus> so bare -port will be only for mainnet
1105 2017-12-07T19:26:57  <wumpus> meshcollider: -regtest-addnode -testnet-addnode
1106 2017-12-07T19:27:19  <meshcollider> so just allow -regtest or -testnet to be prefixed to any existing arg?
1107 2017-12-07T19:27:23  <promag> yes, I think that is pretty simple and clear
1108 2017-12-07T19:27:33  <promag> if not set, defaults to?
1109 2017-12-07T19:27:43  <wumpus> these can be specified in any config file or on the command line, no difference, no *context sensitivity* like per-network config files
1110 2017-12-07T19:27:43  <jonasschnelli> promag: the default :)
1111 2017-12-07T19:27:48  <wumpus> yes,the default
1112 2017-12-07T19:28:06  <meshcollider> and then still support  #10267 ?
1113 2017-12-07T19:28:07  <wumpus> meshcollider: yes
1114 2017-12-07T19:28:09  <gribble> https://github.com/bitcoin/bitcoin/issues/10267 | New -includeconf argument for including external configuration files by kallewoof · Pull Request #10267 · bitcoin/bitcoin · GitHub
1115 2017-12-07T19:28:18  <wumpus> includeconf is orthogonal
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1118 2017-12-07T19:28:33  <wumpus> I see no reason why not
1119 2017-12-07T19:28:37  <meshcollider> yeah but it would allow -regtest-includeconf=whatever
1120 2017-12-07T19:28:39  <promag> jonasschnelli: default of the network right?
1121 2017-12-07T19:28:43  <meshcollider> so it could be good :)
1122 2017-12-07T19:28:46  <jonasschnelli> promag: yes
1123 2017-12-07T19:28:47  <wumpus> it's pretty standard these days to allow including config files from config files for daemons
1124 2017-12-07T19:28:55  <morcos> wait, just so i understand, if you run ./bitcoind -regtest , then do you also have to add -regtest- to each of your command line options
1125 2017-12-07T19:28:59  <morcos> that would be super annoying
1126 2017-12-07T19:29:02  <cfields> an alternative to that would be sections in a config file. and on the cmdline they'd look like namespaces. so, [testnet] port=5. or -testnet::port=5.
1127 2017-12-07T19:29:08  <wumpus> almost any program supporting config files supports that in any way
1128 2017-12-07T19:29:12  <promag> wumpus: yes, like inherit other config
1129 2017-12-07T19:29:14  <morcos> cfields: that soudns way better
1130 2017-12-07T19:29:21  *** imabinarydigit01 has quit IRC
1131 2017-12-07T19:29:32  <wumpus> cfields: fine with me too
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1133 2017-12-07T19:29:57  <wumpus> it's just that per-network config files make things too complex, so I'd like to avoid that
1134 2017-12-07T19:30:11  <meshcollider> morcos: I guess anything without a prefix would be used no matter what network was chosen
1135 2017-12-07T19:30:12  <wumpus> which kind of namespacing whether it's [net]option or -net-option I don't mind much
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1137 2017-12-07T19:30:16  <cfields> and in time the sections could potentially be broken out an included/inerited. but the simple change seems like a simple enough first step to me.
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1139 2017-12-07T19:30:45  <wumpus> meshcollider: yeah...
1140 2017-12-07T19:30:46  <jonasschnelli> but morcos point is valid. What if you just start use CLI params and switch between networks...
1141 2017-12-07T19:30:46  <cfields> simple == simple. nice.
1142 2017-12-07T19:30:48  <morcos> seems like it would make a lot of sense to have a single conf file, that has sections : [default] [mainnet] [testnet] [regtest] and you always end up reading default and one of the others
1143 2017-12-07T19:30:58  <jonasschnelli> do you need to add/switch the namespace all the times?
1144 2017-12-07T19:31:10  <wumpus> morcos: yes
1145 2017-12-07T19:31:23  <aj> morcos: +1
1146 2017-12-07T19:31:51  <sipa> ok, back
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1149 2017-12-07T19:32:01  <meshcollider> cool, next topic then :)
1150 2017-12-07T19:32:07  <wumpus> yes seems we agree
1151 2017-12-07T19:32:12  <promag> #11826
1152 2017-12-07T19:32:13  <gribble> https://github.com/bitcoin/bitcoin/issues/11826 | RFC: Activity feature · Issue #11826 · bitcoin/bitcoin · GitHub
1153 2017-12-07T19:32:24  <meshcollider> jonasschnelli: what do you mean
1154 2017-12-07T19:32:40  <jonasschnelli> meshcollider: solves with the namespaces described by morcos.
1155 2017-12-07T19:32:42  <jonasschnelli> *solved
1156 2017-12-07T19:32:49  *** zshlyk is now known as intcat
1157 2017-12-07T19:33:01  <meshcollider> promag: I like 11826
1158 2017-12-07T19:33:01  <wumpus> #topic activity feature
1159 2017-12-07T19:33:05  *** imabinarydigit01 has quit IRC
1160 2017-12-07T19:33:08  <meshcollider> concept ACK from me
1161 2017-12-07T19:33:08  <jnewbery> seems like the namespace model gives you separate conf files for free: just add a -includeconf in your relevant network namespace
1162 2017-12-07T19:33:09  <jonasschnelli> Yes. We should have that
1163 2017-12-07T19:33:13  <wumpus> I think everyone likes 11826
1164 2017-12-07T19:33:27  *** imabinarydigit01 has joined #bitcoin-core-dev
1165 2017-12-07T19:33:28  <jonasschnelli> Bitcoin Core does a lot of things under the hood... and there is no way to see/control that
1166 2017-12-07T19:33:29  <promag> I have one problem there
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1168 2017-12-07T19:33:38  * BlueMatt isnt sure about the use-cases for 11826
1169 2017-12-07T19:33:39  <jonasschnelli> An activity window is something should have IMO
1170 2017-12-07T19:33:43  <promag> should the activity have a boost::variant<> source?
1171 2017-12-07T19:33:45  <BlueMatt> seems like putting the cart before the horse, as it were
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1175 2017-12-07T19:34:00  <BlueMatt> like, the only things that can go *into* the activity window are things you do from rpc debug window
1176 2017-12-07T19:34:00  <promag> or should we have class WalletActivity : Activity ?
1177 2017-12-07T19:34:09  <jonasschnelli> BlueMatt: most stuff in there should be read-only...
1178 2017-12-07T19:34:15  <promag> BlueMatt: why?
1179 2017-12-07T19:34:20  <sipa> promag: seems like an implementation details
1180 2017-12-07T19:34:23  <BlueMatt> in that case, building an activity window should probably come after making rescan, etc things that users have access to
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1182 2017-12-07T19:34:23  *** herzmeister[m] has quit IRC
1183 2017-12-07T19:34:34  <sipa> BlueMatt: reindex-chainstate too
1184 2017-12-07T19:34:58  <BlueMatt> isnt reindex-chainstate handled like ibd?
1185 2017-12-07T19:35:01  <BlueMatt> (as it should be)/
1186 2017-12-07T19:35:05  <sipa> yes, it is
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1188 2017-12-07T19:35:12  <BlueMatt> (cause we cant get a progress indicator for reindex-chainstate)
1189 2017-12-07T19:35:22  <sipa> ?
1190 2017-12-07T19:35:50  <BlueMatt> I mean the only progress indicator you can do is the same as ibd
1191 2017-12-07T19:36:05  <promag> BlueMatt: in those cases it's an indeterminate progress bar
1192 2017-12-07T19:36:16  <jonasschnelli> Maybe we should first fix the rescan GUI "abortness", then continue with the activity window (will take a while)
1193 2017-12-07T19:36:40  <jonasschnelli> A single progress bar does certainly limit use cases.
1194 2017-12-07T19:36:48  <wumpus> yes
1195 2017-12-07T19:36:51  * BlueMatt is just saying, if someone wants to build an activity window, ok, have fun, but I'm not sure where it actually makes all that much sense, cause we dont have many activities that users almost ever do)
1196 2017-12-07T19:37:14  <jonasschnelli> BlueMatt: not only the user triggered ones...
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1198 2017-12-07T19:37:42  <promag> BlueMatt: also, activities could stays on the window even after finished, like a log, or your download history
1199 2017-12-07T19:37:53  <BlueMatt> download history?
1200 2017-12-07T19:37:59  <sipa> i do agree there are relatively few use cases now, but the concept is useful... and i think eventually we want to be able to do things more concurrently anyway
1201 2017-12-07T19:37:59  <BlueMatt> you mean rescan history
1202 2017-12-07T19:38:04  *** imabinarydigit01 has quit IRC
1203 2017-12-07T19:38:08  <promag> no, I mean browser download history
1204 2017-12-07T19:38:08  <jonasschnelli> Yeah.. a mix between Activity and short term log would be possible
1205 2017-12-07T19:38:09  <jonasschnelli> but hard to make it right
1206 2017-12-07T19:38:16  <promag> it's more friendly than a raw log
1207 2017-12-07T19:38:28  <phantomcircuit> BlueMatt, lots of users complain about ibd apparently stalling, something that indicated what was happening would be good
1208 2017-12-07T19:38:41  <jonasschnelli> [disappearing message] new block validated \n [disappearing message] new peer connected
1209 2017-12-07T19:38:44  *** Madars has joined #bitcoin-core-dev
1210 2017-12-07T19:38:51  <BlueMatt> I mean if I'm a user, I dont really want to see a progress history thing, tbh....either I have all the transactions in my wallet or I dont...
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1212 2017-12-07T19:39:17  <wumpus> for that, a debug log view would be more useful
1213 2017-12-07T19:39:22  <wumpus> let's not conflate ongoing activities with a log
1214 2017-12-07T19:39:25  <cfields> :q
1215 2017-12-07T19:39:32  <cfields> er, heh
1216 2017-12-07T19:39:42  <jonasschnelli> heh... Yes.
1217 2017-12-07T19:40:12  <jonasschnelli> previous attempts that are more or less a log where kinda accepted #5896
1218 2017-12-07T19:40:14  <gribble> https://github.com/bitcoin/bitcoin/issues/5896 | [Qt][PoC] introduce "core-pulse" by jonasschnelli · Pull Request #5896 · bitcoin/bitcoin · GitHub
1219 2017-12-07T19:40:18  <promag> ok, I'll try to keep it simple
1220 2017-12-07T19:40:24  <BlueMatt> but, ongoing activities are like....rescan, just rescan, and thats not something you should do all that often...ibd/reindex/sync is a rather separate thing
1221 2017-12-07T19:40:46  <BlueMatt> but, anyway, it sounds like I'm the only one who disagrees, so I'm happy to shut up :p
1222 2017-12-07T19:40:57  <wumpus> sending a transaction is also an ongoing activity
1223 2017-12-07T19:41:13  <wumpus> ideally the GUI would move to do all those things asynchronously instead of in the GUI thread
1224 2017-12-07T19:41:17  <BlueMatt> I mean it sounds like y'all want to restructure our entire gui around an activity log...
1225 2017-12-07T19:41:18  <achow101> I also don't really see the utility of an activity window. but I don't really care either way
1226 2017-12-07T19:41:25  <promag> un/loading wallets too
1227 2017-12-07T19:41:34  <wumpus> no, I want to structure the GUI asynchronously
1228 2017-12-07T19:41:46  <wumpus> an activity thing would be a nice thing that comes with it
1229 2017-12-07T19:41:51  <BlueMatt> sending txn is rather async already, no? I mean you send and then you wait on confirms, maybe with a feebump
1230 2017-12-07T19:42:27  <BlueMatt> (at a user level, that is)
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1232 2017-12-07T19:43:07  <jonasschnelli> Lets promag work on that concept and see where it leads to. It's certenly good to have it around in case we can do more stuff in parallel and have other cases where we want to show progress
1233 2017-12-07T19:43:11  <wumpus> the point is that comments are executed in the GUI thread, with the various locks held
1234 2017-12-07T19:43:14  <wumpus> commands*
1235 2017-12-07T19:43:37  <jonasschnelli> Also it would be useful for IPC (GUI / node detatch)
1236 2017-12-07T19:43:40  <instagibbs> probably makes more sense if the wallet is more goal-driven, for now I don't mind the feature
1237 2017-12-07T19:43:48  <instagibbs> (re: wallet comments)
1238 2017-12-07T19:44:08  <wumpus> which is not a nice user experience
1239 2017-12-07T19:44:11  <promag> ok guys, I'll file the PR soon
1240 2017-12-07T19:44:54  <wumpus> e.g. what I've noticed is that when it's catching up to the chain, getting the information for coin control hangs the entire GUI for half a minute sometimes
1241 2017-12-07T19:45:12  <wumpus> which would be fine if it showed a progress indicator but not if everything just blocks
1242 2017-12-07T19:45:28  <Randolf> That would likely cause many users to think it crashed.
1243 2017-12-07T19:45:40  <wumpus> well the window manager starts to think that too
1244 2017-12-07T19:45:43  <wumpus> and wants to kill it
1245 2017-12-07T19:46:10  <jonasschnelli> The GUI synchronousness does sometimes lead to terrible UX.
1246 2017-12-07T19:46:12  <Randolf> Yes.  And under the Windows OS, the user sees a message along the lines of "Task not responding" with an option to kill the task.
1247 2017-12-07T19:46:52  <wumpus> jonasschnelli: it was always my intent to change that but I just don't get around to it
1248 2017-12-07T19:47:05  <jonasschnelli> wumpus: it's also pretty complex
1249 2017-12-07T19:47:12  <wumpus> nah, not really complex, just work
1250 2017-12-07T19:47:17  <Randolf> So, if the GUI is on a separate thread, then it can always respond to the OS and the user's operations (e.g., open the Help menu, load/save wallets, print reports, etc.) while waiting for updates from the other threads.
1251 2017-12-07T19:47:17  <BlueMatt> yea, cs_main-y-ness of gui sucks atm :(
1252 2017-12-07T19:47:41  <jonasschnelli> Randolf: we are trying that (ask ryanofsky) :)
1253 2017-12-07T19:47:42  <wumpus> Randolf: right
1254 2017-12-07T19:47:51  <Randolf> jonasschnelli:  Cool!
1255 2017-12-07T19:48:30  <BlueMatt> anyway, more topics in 10 minutes?
1256 2017-12-07T19:48:43  <sipa> i have one
1257 2017-12-07T19:48:54  <sipa> would a libgmp dependency by acceptable?
1258 2017-12-07T19:49:19  <BlueMatt> for....secp? or your muhash stuff?
1259 2017-12-07T19:49:32  <Randolf> jonasschnelli:  I've done a lot of Java development, and this is how JFC/Swing and the newer JavaFX handle things.  The use of atomic variables and thread-safe queues becomes pretty important.  Maybe the original GUI for Bitcoin was designed with more development convenience in mind just so that the
1260 2017-12-07T19:49:32  <Randolf> project could get completed faster?  I don't consider this to be a bad thing, necessarily, but I'm glad to know that there's an interest in improving this.
1261 2017-12-07T19:49:32  <BlueMatt> I mean doesnt secp optionally use it already?
1262 2017-12-07T19:49:46  <wumpus> #topic libgmp dependency
1263 2017-12-07T19:49:53  <wumpus> libgmp is GPL right?
1264 2017-12-07T19:50:03  <sipa> BlueMatt: it does, and there is a small performanc benefit from using it for validation itself
1265 2017-12-07T19:50:08  <wumpus> if it's MIT/BSD licensed it's ok with me
1266 2017-12-07T19:50:10  <meshcollider> wumpus: yep I think so
1267 2017-12-07T19:50:17  <wumpus> but if it's GPL, we have to say no
1268 2017-12-07T19:50:18  <sipa> but for UTXO hashes it would be a huge difference
1269 2017-12-07T19:50:22  <sipa> i see
1270 2017-12-07T19:50:22  <cfields> sipa: i assume you mean a non-optional dep?
1271 2017-12-07T19:50:34  <sipa> it's LGPLv3
1272 2017-12-07T19:50:44  <sipa> cfields: right
1273 2017-12-07T19:50:50  <ryanofsky> Randolf maybe see https://github.com/bitcoin/bitcoin/pull/10244 which separates bitcoin gui code from wallet/node code
1274 2017-12-07T19:51:23  <meshcollider> sipa: also uses GPLv2 I think
1275 2017-12-07T19:51:27  <wumpus> there's really no other library implementing that?
1276 2017-12-07T19:51:30  <Randolf> Thanks ryanofsky.
1277 2017-12-07T19:51:40  <wumpus> (which could have a more suitable license)
1278 2017-12-07T19:51:49  <sipa> wumpus: specifically, it's for jacobi symbol computation
1279 2017-12-07T19:51:50  * BlueMatt personally thinks its fine to ship lgpl stuff, but others likely disagree
1280 2017-12-07T19:51:55  <aj> meshcollider: it's user's discretion as to GPLv2+ or LGPLv3+
1281 2017-12-07T19:52:05  <cfields> sipa: license aside, it would feel a little backwards to introduce a new dep which may at some point be consensus critical :(
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1283 2017-12-07T19:52:09  <sipa> which is not impossible to implement ourselves, and probably faster if we do, but it's very nontrivial
1284 2017-12-07T19:52:12  <sipa> cfields: it wouldn't be
1285 2017-12-07T19:52:39  <sipa> cfields: everything we'd use would be verified
1286 2017-12-07T19:52:47  <wumpus> cfields: also agree with that
1287 2017-12-07T19:53:01  <wumpus> so apart from using libgmp and implementing it ourselves there are no options?
1288 2017-12-07T19:53:14  <sipa> or take the performance hit
1289 2017-12-07T19:53:21  <aj> sipa: context is #10434 ?
1290 2017-12-07T19:53:23  <gribble> https://github.com/bitcoin/bitcoin/issues/10434 | [WIP] 3072-bit MuHash based hash_serialized by sipa · Pull Request #10434 · bitcoin/bitcoin · GitHub
1291 2017-12-07T19:53:45  <sipa> 10434 uses the modular multiplication group approach, which doesn't need this - it's faster but much harder to cache
1292 2017-12-07T19:54:37  <sipa> the alternative approach is using EC based rolling hashes, for which using jacobi symbols would be a 2x speedup or so
1293 2017-12-07T19:54:49  <sipa> wumpus: so a 3rd option is not implementing EC-based rolling hashes
1294 2017-12-07T19:54:50  <promag> out-of-battery o/
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1297 2017-12-07T19:55:44  <wumpus> also after all the work that was done to lose dependency on openssl for bignums, to introduce dependency on a new arbitrary precision library seems also a reversal to me
1298 2017-12-07T19:55:47  <sipa> so i just wanted to bring it up to see what the option were
1299 2017-12-07T19:55:48  <BlueMatt> so if we use lgpl gmp as a dep, and then someone wants to ship a bitcoincore-modified binary with all deps static-linked, they'd be screwed?
1300 2017-12-07T19:56:11  <sipa> wumpus: to be clear, nothing would be consensus critical (even if rolling hashes were somehow made a consensus rule)
1301 2017-12-07T19:56:21  <aj> BlueMatt: lgpl means they'd have to release sources or their .o/.a files
1302 2017-12-07T19:57:01  <BlueMatt> yea, ok, i meannnn, probably fine, but that is a real change in effective license of bitcoin core
1303 2017-12-07T19:57:10  <morcos> sipa: 2x speedup in what exactly
1304 2017-12-07T19:57:29  <morcos> when would those computations happen and what is the base latency
1305 2017-12-07T19:57:40  <cfields> sipa: at the risk of going too far off-topic, aren't there curves with potentially quicker and guaranteed O(1) map operations?
1306 2017-12-07T19:58:13  <morcos> piont being, perhaps we can punt on the question of libgmp until it becomes clear that optimizing the speed is an important tradeoff to make
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1308 2017-12-07T19:58:17  <wumpus> good point morcos
1309 2017-12-07T19:58:19  <instagibbs> morcos, +1
1310 2017-12-07T19:58:27  <sipa> cfields: let's discuss outside of the meeting
1311 2017-12-07T19:58:28  <sipa> morcos: updating a rolling hash given a set of UTXOs created and spent
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1313 2017-12-07T19:58:40  <cfields> ok
1314 2017-12-07T19:58:50  <BlueMatt> well meeting over anyway
1315 2017-12-07T19:58:57  <gmaxwell> ugh was missing meeting.
1316 2017-12-07T19:59:04  <instagibbs> gmaxwell, 2 minutes
1317 2017-12-07T19:59:06  <instagibbs> 1 minute
1318 2017-12-07T19:59:06  <morcos> right, so how often are we envisioning doing that, does it happen async to everything else, and how long does it take without libgmp
1319 2017-12-07T19:59:10  <gmaxwell> why did we start talking about libgmp? :(
1320 2017-12-07T19:59:12  <sipa> in an absolutely first implementation, i would expect that that would just affect gettxoutsetinfo or its equivalent that just computes the hash from the UTXO set from scratch
1321 2017-12-07T19:59:18  <BlueMatt> gmaxwell: blame sipa
1322 2017-12-07T19:59:41  <gmaxwell> sipa: we do not want gmp as part of bitcoin's consensus critical paths,  totally independently of using it as a dependency.
1323 2017-12-07T19:59:46  <sipa> $ git blame sipa
1324 2017-12-07T19:59:46  <sipa> fatal: cannot stat path 'sipa': No such file or directory
1325 2017-12-07T19:59:50  <BlueMatt> yes, that point was made
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1327 2017-12-07T19:59:56  <sipa> gmaxwell: absolutely
1328 2017-12-07T20:00:01  <sipa> no intention of changing that
1329 2017-12-07T20:00:26  <wumpus> #endmeeting
1330 2017-12-07T20:00:26  <lightningbot> Meeting ended Thu Dec  7 20:00:26 2017 UTC.  Information about MeetBot at http://wiki.debian.org/MeetBot . (v 0.1.4)
1331 2017-12-07T20:00:26  <lightningbot> Minutes:        http://www.erisian.com.au/meetbot/bitcoin-core-dev/2017/bitcoin-core-dev.2017-12-07-19.00.html
1332 2017-12-07T20:00:26  <lightningbot> Minutes (text): http://www.erisian.com.au/meetbot/bitcoin-core-dev/2017/bitcoin-core-dev.2017-12-07-19.00.txt
1333 2017-12-07T20:00:26  <lightningbot> Log:            http://www.erisian.com.au/meetbot/bitcoin-core-dev/2017/bitcoin-core-dev.2017-12-07-19.00.log.html
1334 2017-12-07T20:00:39  <gmaxwell> ah, you were talking about it for the jacobi symbol for aggregate validation?
1335 2017-12-07T20:01:04  <aj> libzmq is lgpl isn't it?
1336 2017-12-07T20:01:04  <wumpus> yes
1337 2017-12-07T20:01:08  <wumpus> aj: no
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1339 2017-12-07T20:01:30  <sipa> more in the context of rolling hashes
1340 2017-12-07T20:01:31  <wumpus> aj: oh, you're actually right
1341 2017-12-07T20:01:38  <wumpus> aj: wtf, I never knew
1342 2017-12-07T20:01:54  <wumpus> aj: however zmq is optional
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1344 2017-12-07T20:02:38  <BlueMatt> that sucks...our release binaries have lgpl crap in them and we dont have an easy way to get a bitcoind that is linked to everything but zmq?
1345 2017-12-07T20:02:51  <aj> the release binaries have zmq now?
1346 2017-12-07T20:02:54  * BlueMatt wonders if some altcoins are violating that license
1347 2017-12-07T20:02:56  <BlueMatt> almost certainly are
1348 2017-12-07T20:03:08  <achow101> releases have zmq and have had them for a while now
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1352 2017-12-07T20:05:34  <wumpus> --disable-zmq
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1357 2017-12-07T20:06:13  <wumpus> (or was it --without-zmq, I don't remember)
1358 2017-12-07T20:07:20  <wumpus> my preferred way for not linking against something is just to not have it installed on the VM
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1364 2017-12-07T20:10:23  <aj> wumpus: btw, i got a manually runnable script that gives some approximate pr status's that might be worth a look; script and (edited) output are at https://gist.github.com/ajtowns/bdc91590471559b5c73682fdfa712b15
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1368 2017-12-07T20:12:45  <jonasschnelli> aj: nice!
1369 2017-12-07T20:12:59  <aj> #10520 and #10149 could probably be closed
1370 2017-12-07T20:13:01  <gribble> https://github.com/bitcoin/bitcoin/issues/10520 | 0.14 by gentlejack · Pull Request #10520 · bitcoin/bitcoin · GitHub
1371 2017-12-07T20:13:02  <sc__> hi!
1372 2017-12-07T20:13:04  <gribble> https://github.com/bitcoin/bitcoin/issues/10149 | gentlejack by gentlejack · Pull Request #10149 · bitcoin/bitcoin · GitHub
1373 2017-12-07T20:13:15  <wumpus> aj: cool
1374 2017-12-07T20:13:46  <jonasschnelli> aj: What I really would like to have is something like this in a web-base script (CGI)
1375 2017-12-07T20:13:49  <sc__> does anybody know by chance, why bitcoind regtest is missing witness data in p2p messages?
1376 2017-12-07T20:14:17  <sc__> and how to get witness data via p2p?
1377 2017-12-07T20:14:20  <instagibbs> sc__, make sure you actually activated segwit by making a few hundred blocks...
1378 2017-12-07T20:14:30  <jonasschnelli> aj: That web-site/app could be an interactive mode of that script you wrote with some cookie based local editing... one could flag the PRs he wants to review (locally stored)
1379 2017-12-07T20:14:32  <wumpus> for me a console-based tool is better
1380 2017-12-07T20:14:52  <jonasschnelli> wumpus: nerd! :)
1381 2017-12-07T20:14:54  <sc__> instagibbs: I really did this (the block count is over 11000 now)
1382 2017-12-07T20:14:55  <jonasschnelli> wumpus: Yeah.. consol based would even make more sense...
1383 2017-12-07T20:15:06  <wumpus> jonasschnelli: just extremely paranoid :)
1384 2017-12-07T20:15:06  <jonasschnelli> not sure if ncurses is more complex then HTML
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1387 2017-12-07T20:15:47  <jonasschnelli> wumpus: But I guess at some point, you have to link to the github issue to read more about it... or do you use lynx or some sort of console browsing?
1388 2017-12-07T20:16:30  <instagibbs> aj, very cool
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1390 2017-12-07T20:16:48  <wumpus> jonasschnelli: sometimes, but lynx doesn't work very well/at all on github
1391 2017-12-07T20:17:04  <instagibbs> aj, maybe the submitter shouldn't be able to advance their own PR's labels, heh
1392 2017-12-07T20:17:20  <jonasschnelli> aj's tool should also include the discussion,.. ideally it would be a full fletched github console client... :)
1393 2017-12-07T20:17:58  * jonasschnelli stops dreaming now
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1395 2017-12-07T20:18:19  <wumpus> jonasschnelli: I think it's a good argument for the tool to be low-level, just print the data in some format - anything like a UI can be added on top
1396 2017-12-07T20:18:36  <aj> instagibbs: oh, did someone ack their own PR? i didn't put a check in for that in the python version
1397 2017-12-07T20:18:38  <jonasschnelli> sure. However, well done aj
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1400 2017-12-07T20:19:03  <instagibbs> aj you did in your PR testing it :P, unless I missed something
1401 2017-12-07T20:19:15  <jonasschnelli> kallewoof: re your BIP174,... I guess this also works perfectly fine for pure unsigned transaction...
1402 2017-12-07T20:19:31  <aj> instagibbs: oh, yeah, in that i specifically disabled the check so i could test it :)
1403 2017-12-07T20:19:35  <wumpus> and aj wrote it in python instead of (s)hellscript, I like that
1404 2017-12-07T20:20:05  <aj> wumpus: oh, i have some curl|jshon for loops i was using earlier if you prefer :)
1405 2017-12-07T20:20:08  <jonasschnelli> kallewoof: the "partially signed" tag makes it look that is "partially" unusable for pure softwallet<->hardware wallet interaction
1406 2017-12-07T20:20:13  <wumpus> aj: nooooooo :)
1407 2017-12-07T20:20:47  <aj> wumpus: curl -s https://api.github.com/repos/bitcoin/bitcoin/pulls?"page=$a;per_page=100" | jshon -a -e number -u -p -e updated_at -u -p -e head -e sha -u -p -p -e base -e ref -u; done | paste -s -d '   \n'
1408 2017-12-07T20:21:28  <instagibbs> jonasschnelli, link? haven't seen recent work on it
1409 2017-12-07T20:21:46  <jonasschnelli> https://github.com/bitcoin/bips/blob/master/bip-0174.mediawiki
1410 2017-12-07T20:21:47  <instagibbs> I have an ugly hww integration working, but am looking for a more generic signraw API
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1413 2017-12-07T20:21:58  <instagibbs> jonasschnelli, I mean why kallewoof ? achow101 is the author of the bip?
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1415 2017-12-07T20:22:17  <jonasschnelli> instagibbs: argh! Right... meant achow101
1416 2017-12-07T20:22:34  <instagibbs> aw darn :) thinking of writing that interface anyways...
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1421 2017-12-07T20:24:32  <achow101> jonasschnelli: hmm?
1422 2017-12-07T20:24:44  <jonasschnelli> achow101: re your BIP174...
1423 2017-12-07T20:25:03  <instagibbs> jonasschnelli, yes the idea is that createraw, or something, would create a thing that is potentially signable
1424 2017-12-07T20:25:04  <jonasschnelli> I'm looking for a standard how software watch-only wallets (assume Core) can talk to a hardware wallet
1425 2017-12-07T20:25:25  <jonasschnelli> Need to read more into the BIP... but seems 174 does cover that case pretty well
1426 2017-12-07T20:25:33  <wumpus> seems there is suddenly lots of interest in signing messages
1427 2017-12-07T20:25:35  <aj> jonasschnelli: anyhoo, i could turn that RESULTS.txt into some html with links and nicer formatting, updated by cron once an hour or something without too much trouble; making it properly dynamic/current would take some effort though. worthwhile?
1428 2017-12-07T20:25:50  <achow101> jonasschnelli: how would it be unusable?
1429 2017-12-07T20:26:08  <jonasschnelli> wumpus: yeah! I'm feeling like I'm missing a party... don't know what people do sign now all the times
1430 2017-12-07T20:26:49  <instagibbs> wumpus, this time it's transactions, we swear!
1431 2017-12-07T20:26:55  <jonasschnelli> achow101: Assume I have a Core in watch only mode and did a fundrawtransaction with watch only inputs... then I'd like to hand "it" over to the hardware wallet.
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1433 2017-12-07T20:27:02  <jonasschnelli> achow101: What data and what schemantics do I use
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1435 2017-12-07T20:27:09  <jonasschnelli> BIP174 would be a way? woudln't it?
1436 2017-12-07T20:27:17  <achow101> yes, bip174 would
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1438 2017-12-07T20:27:45  <jonasschnelli> because there is no other standard how to serialize a data-blob including the inputs and other elements required for signing
1439 2017-12-07T20:27:56  <instagibbs> that was the reason for the bip, ye
1440 2017-12-07T20:28:04  <achow101> the hardware wallet interaction was one of the motivators for making the bip
1441 2017-12-07T20:28:13  <jonasschnelli> achow101: would a mime type make sense?
1442 2017-12-07T20:28:31  <jonasschnelli> instagibbs: or what channels to transmit your data-package have you considered?
1443 2017-12-07T20:28:37  <jonasschnelli> mean achow101
1444 2017-12-07T20:28:37  <wumpus> aj: gives me a TypeError: https://0bin.net/paste/wG-O21gNtVhwBDA3#Y0XyZu5-tENRZZZSy14gX41LNcF9okNM2sTlIvnsvhK
1445 2017-12-07T20:28:55  <achow101> jonasschnelli: I haven't considered any channel for transmitting the data itself.
1446 2017-12-07T20:29:01  <achow101> I considered that to be out of scope
1447 2017-12-07T20:29:08  <aj> wumpus: you probably hit the rate limit
1448 2017-12-07T20:29:36  <achow101> jonasschnelli: I think that such a protocol would be a separate bip entirely as you could transmit the data any number of ways
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1450 2017-12-07T20:29:47  <wumpus> aj: oh I should buy more github tokens? :p
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1452 2017-12-07T20:30:17  <aj> wumpus: get a token from https://github.com/settings/tokens and set GITHUB_LOGIN=laanw and GITHUB_PASSWORD= your token.
1453 2017-12-07T20:30:20  <wumpus> ok, thanks
1454 2017-12-07T20:30:24  <jonasschnelli> achow101: yes... hard to figure out what ways could be standartized
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1458 2017-12-07T20:33:22  <wumpus> aj: oh wowthis is pretty neat, even allows setting permissions per token
1459 2017-12-07T20:33:56  <aj> wumpus: yeah, doesn't suck.
1460 2017-12-07T20:33:57  <wumpus> I guess it needs no permissions at all as it's read-only?
1461 2017-12-07T20:34:03  <aj> wumpus: yup
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1463 2017-12-07T20:35:02  <wumpus> I wish github ssh keys could be configured in the same way, e.g. a certain key can be set to only allow to push to a certain project
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1467 2017-12-07T20:37:43  <aj> wumpus: guess they want you do do that by protecting branchs and pull request statuses (like "can't merge if travis doesn't give the ok")
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1470 2017-12-07T20:38:59  <wumpus> aj: yes that can only allow certain users to push to certain branches, which is extremely useful
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1472 2017-12-07T20:39:44  <wumpus> aj: but in my case it'd be useful to have a certain VM/user only have keys to push to a certain repo and not all repos my account has access to. I could create multiple accounts but meh.
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1477 2017-12-07T20:41:28  <wumpus> aj: anyhow github has improved a lot with regard to more granular access control in the last few years which is very good
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1479 2017-12-07T20:42:26  <aj> wumpus: i think you could make a "github app" which you could then assign to a repo and which could maybe then push to non-protected branches...
1480 2017-12-07T20:43:20  <wumpus> aj: yep non-protected branches would be fine; allow it to push to laanwj/bitcoin but not bitcoin/bitcoin master for example
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1482 2017-12-07T20:44:25  <aj> wumpus: hmm, i might see if that works actually. i was thinking about having lightningbot update a repo of its meeting logs automatically (and use an Attendees file there to pick people to highlight), but got stuck on how to push... https://github.com/ajtowns/bitcoin-core-meetings
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1487 2017-12-07T20:46:30  <wumpus> aj: I've enabled the token and with that, check_acks ran to completion without error, thanks
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1496 2017-12-07T20:56:25  <promag> wumpus: considering the current lockunspent help description, #5584 can be closed right?
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1498 2017-12-07T20:56:33  <gribble> https://github.com/bitcoin/bitcoin/issues/5584 | Ability to examine, save locked-UTXO state · Issue #5584 · bitcoin/bitcoin · GitHub
1499 2017-12-07T20:58:27  <wumpus> promag: I'm not sure; what does the help description change about a feature request?
1500 2017-12-07T20:59:00  <promag> ah right, feature request
1501 2017-12-07T20:59:33  <promag> not really something important to implement right?
1502 2017-12-07T21:00:08  <wumpus> no
1503 2017-12-07T21:01:34  <wumpus> well there are certainly use-cases for persistently locking UTXOs in the wallet
1504 2017-12-07T21:03:06  <wumpus> less if 'abandontransaction' always worked
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1506 2017-12-07T21:04:17  <wumpus> the most common use case of locking UTXOs persistently would be a transaction, I think where the use case for explicit locking comes from is to be able to unlock them easily again, which isn't possible with the current wallet code
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1509 2017-12-07T21:07:39  <wumpus> how long does it take for github to forgive you for rate limit exceeding? I can't use github-merge.py either anymore from this IP :-)
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1511 2017-12-07T21:09:58  <promag> wumpus: I know a use case where there is explicit locking, and because of the lack of lock persistence, the locks are saved outside and verified/repeated
1512 2017-12-07T21:10:25  <wumpus> promag: yeah...
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1514 2017-12-07T21:13:29  <aj> wumpus: curl -s -i https://api.github.com/repos/bitcoin/bitcoin/projects | grep ^X-RateLimit
1515 2017-12-07T21:13:46  <aj> wumpus: the RateLimit-Reset should give you a timestamp under an hour away
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1517 2017-12-07T21:14:44  <wumpus> aj: X-RateLimit-Reset: 1512681788 -> date --date='@1512681788' -> Thu Dec  7 22:23:08 CET 2017
1518 2017-12-07T21:15:03  <wumpus> aj: ok, I'll probably not manage to add authentication support to gh-merge.py before then
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