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 612019-06-20T03:47:22  <bitcoin-git> [bitcoin] NicolasDorier opened pull request #16246: MSVC: Fix error in debug mode (Fix #16245) (master...fix/bigobj) https://github.com/bitcoin/bitcoin/pull/16246
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1522019-06-20T09:44:32  <bitcoin-git> [bitcoin] NicolasDorier opened pull request #16248: [WIP] Make whitebind/whitelist permissions more flexible (master...feature/permissions) https://github.com/bitcoin/bitcoin/pull/16248
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1552019-06-20T09:46:03  <bitcoin-git> [bitcoin] NicolasDorier closed pull request #16176: Allow NODE_BLOOM services for whitelisted peers (master...feature/node-bloom-whitelisted) https://github.com/bitcoin/bitcoin/pull/16176
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2042019-06-20T11:45:21  <bitcoin-git> [bitcoin] ajtowns opened pull request #16250: signrawtransactionwithkey: report error when missing redeemScript/witnessScript (master...201906-signrawerror-regression) https://github.com/bitcoin/bitcoin/pull/16250
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2222019-06-20T12:45:33  <bitcoin-git> [bitcoin] ajtowns opened pull request #16251: Improve signrawtransaction error reporting (master...201906-signrawerror) https://github.com/bitcoin/bitcoin/pull/16251
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2342019-06-20T13:14:41  <fanquake> I’m quite unwell, so won’t be up at the meeting. +1 for 2FA. Ideally not text message based.
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2382019-06-20T13:20:00  <fanquake> #proposedmeetingtopic ASN blob discussion that was missed at the end of last meeting. Assuming sipa and bluematt are available.
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2422019-06-20T13:41:27  <bitcoin-git> [bitcoin] MarcoFalke opened pull request #16252: test: Log to debug.log in all unit tests (master...1905-bufferLog) https://github.com/bitcoin/bitcoin/pull/16252
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2872019-06-20T15:46:00  <MarcoFalke> Anyone knows how to report scams to duckduckgo? https://duckduckgo.com/?q=bitcoin+core+release+notes
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2892019-06-20T15:46:15  <MarcoFalke> returns "bitcoincorewallet org" as third result
2902019-06-20T15:46:33  <MarcoFalke> obviously malware
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3332019-06-20T16:33:34  <moneyball> MarcoFalke not sure but perhaps https://twitter.com/duckduckgo? although I think you said you quit Twitter.  I can report it. Do we have evidence of malware? Or should I just say it looks suspicious?
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3402019-06-20T16:49:43  <MarcoFalke> Download any of the .exe or .zip and compare the hash
3412019-06-20T16:50:18  <MarcoFalke> Even if the hash matched, it is not our website and not the official download location
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3452019-06-20T16:55:06  <moneyball> https://twitter.com/moneyball/status/1141751255070416897
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3562019-06-20T17:04:49  <bitcoin-git> [bitcoin] MarcoFalke closed pull request #16192: Wallet: Catches situations where capping on maxtxfee drops the fee too low (master...issue-10122) https://github.com/bitcoin/bitcoin/pull/16192
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3592019-06-20T17:05:10  <bitcoin-git> [bitcoin] MarcoFalke reopened pull request #16192: Wallet: Catches situations where capping on maxtxfee drops the fee too low (master...issue-10122) https://github.com/bitcoin/bitcoin/pull/16192
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3652019-06-20T17:17:31  <MarcoFalke> moneyball: thx
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3762019-06-20T17:41:24  <BlueMatt> lol 3 dnsseeds have broken ipv6 resolvers.......
3772019-06-20T17:43:24  <moneyball> fyi i also emailed abuse@ and cc'd MarcoFalke
3782019-06-20T17:43:33  <BlueMatt> thanks moneyball!
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3812019-06-20T17:51:34  <bitcoin-git> [bitcoin] hebasto opened pull request #16254: qt: Set AA_EnableHighDpiScaling attribute early (master...20190620-EnableHighDpiScaling-warning) https://github.com/bitcoin/bitcoin/pull/16254
3822019-06-20T17:51:38  *** bitcoin-git has left #bitcoin-core-dev
3832019-06-20T17:53:25  <BlueMatt> sipa: maybe your seeder is broken for resolving over v6?
3842019-06-20T17:56:09  *** bitcoin-git has joined #bitcoin-core-dev
3852019-06-20T17:56:10  <bitcoin-git> [bitcoin] MarcoFalke opened pull request #16255: util: Remove code to cache datadir (master...1906-utilNoPath) https://github.com/bitcoin/bitcoin/pull/16255
3862019-06-20T17:56:11  *** bitcoin-git has left #bitcoin-core-dev
3872019-06-20T17:58:36  <sipa> BlueMatt: it seems the vps it's running on doesn't have a v6 ip address :s
3882019-06-20T17:59:04  <BlueMatt> sipa: no, I mean the software
3892019-06-20T17:59:15  <BlueMatt> sipa: cause it seems several others have v6 issues and theirs does
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3912019-06-20T18:00:04  <sipa> BlueMatt: my seeder has v6 addresses, but they're all marked "bad"
3922019-06-20T18:00:24  <sipa> so i suspect that's why it's not reporting any over dns
3932019-06-20T18:00:26  <BlueMatt> sipa: nonono, I mean the seeder software responding to dns queries over v6
3942019-06-20T18:00:55  *** rex4539 has joined #bitcoin-core-dev
3952019-06-20T18:01:17  <sipa> it's responding for me, just with an empty result
3962019-06-20T18:01:36  <sipa> $ dig -t AAAA @bitcoin.sipa.be seed.bitcoin.sipa.be
3972019-06-20T18:01:59  <BlueMatt> sipa: noooo
3982019-06-20T18:02:11  <BlueMatt> I mean $ dig @(bitcoin.sipa.be's ipv6 address) seed.bitcoin.sipa.be
3992019-06-20T18:02:43  <luke-jr> in my case, I don't want to run the seeder as root, so I have a NAT from port 53 to 1053, but my server doesn't support NAT for IPV6
4002019-06-20T18:03:00  <luke-jr> removed the AAAA record for the NS for now
4012019-06-20T18:03:03  <sipa> BlueMatt: ... my server has no IPv6 address
4022019-06-20T18:03:09  <BlueMatt> yea, you're different, mostly I see that (at least) emzy's and jonasschnelli's servers dont respond
4032019-06-20T18:03:18  <BlueMatt> sipa: yes...I'm asking about the software (which other seeders run)
4042019-06-20T18:03:36  <sipa> ah ok, it seems there are two distinct problems
4052019-06-20T18:04:30  <luke-jr> BlueMatt: the software is listening to IPv6 1053 for me
4062019-06-20T18:04:56  <BlueMatt> luke-jr: can you try to resolve via that?
4072019-06-20T18:07:24  <phantomcircuit> BlueMatt, hi
4082019-06-20T18:07:46  <BlueMatt> you rang?
4092019-06-20T18:07:56  <luke-jr> dig -p 1053 @2001:470:88ff:2e::1 AAAA dnsseed.bitcoin.dashjr.org
4102019-06-20T18:07:57  <luke-jr> seems to work
4112019-06-20T18:08:22  <BlueMatt> ah weird, maybe something specific about the version/setup on emzy and jonasschnelli's ends :/
4122019-06-20T18:08:51  <hebasto> MarcoFalke: in #16254 should we follow qt docs: "Supported platforms are X11, Windows and Android."? I mean no mention of macOS.
4132019-06-20T18:08:52  <gribble> https://github.com/bitcoin/bitcoin/issues/16254 | qt: Set AA_EnableHighDpiScaling attribute early by hebasto · Pull Request #16254 · bitcoin/bitcoin · GitHub
4142019-06-20T18:09:22  *** bitcoin-git has joined #bitcoin-core-dev
4152019-06-20T18:09:22  <bitcoin-git> [bitcoin] MarcoFalke closed pull request #16255: util: Remove code to cache datadir (master...1906-utilNoPath) https://github.com/bitcoin/bitcoin/pull/16255
4162019-06-20T18:09:35  *** bitcoin-git has left #bitcoin-core-dev
4172019-06-20T18:10:01  <jonasschnelli> Yeah. It's the NAT
4182019-06-20T18:10:03  <jonasschnelli> dig -p 5353 @2604:a880:2:d0::469c:c001 AAAA seed.bitcoin.jonasschnelli.ch
4192019-06-20T18:10:05  <jonasschnelli> works as well
4202019-06-20T18:10:33  *** Chris_Stewart_5 has joined #bitcoin-core-dev
4212019-06-20T18:10:45  <jonasschnelli> I do iptables -t nat -A PREROUTING -p udp --dport 53 -j REDIRECT --to-port 5353
4222019-06-20T18:10:59  <BlueMatt> ah, should be able to do that for v6 too
4232019-06-20T18:11:31  <BlueMatt> "IPv6 support available starting Linux kernels >= 3.7." (for REDIRECT)
4242019-06-20T18:12:25  *** rafalcpp has joined #bitcoin-core-dev
4252019-06-20T18:12:31  <jonasschnelli> I guess I need ip6tables
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4302019-06-20T18:15:02  <BlueMatt> indeed
4312019-06-20T18:15:46  <jonasschnelli> instead of the stupid NAT, why don't allow the dnsseed user to use UDP 53 directly?
4322019-06-20T18:15:56  <jonasschnelli> (should also work without root)
4332019-06-20T18:16:17  <luke-jr> ?
4342019-06-20T18:16:39  <luke-jr> Linux doesn't allow non-root to listen below 1024
4352019-06-20T18:16:43  <jonasschnelli> luke-jr: we do the NAT to avoid running the seeder as root
4362019-06-20T18:16:51  <jonasschnelli> setcap?
4372019-06-20T18:17:26  <BlueMatt> bind + drop
4382019-06-20T18:18:08  *** queip has joined #bitcoin-core-dev
4392019-06-20T18:18:21  <luke-jr> dunno why Linux doesn't add a way to assign ports to specific users :/
4402019-06-20T18:18:39  <luke-jr> that would also be nice to block other users from binding the Bitcoin JSON-RPC port
4412019-06-20T18:19:33  <BlueMatt> you could use inetd, no?
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4442019-06-20T18:21:18  <jonasschnelli> solved....
4452019-06-20T18:21:23  <jonasschnelli> dig -p 53 @2604:a880:2:d0::469c:c001 AAAA seed.bitcoin.jonasschnelli.ch <--- works now
4462019-06-20T18:21:47  <jonasschnelli> (testnet seed as well)
4472019-06-20T18:21:57  *** sfhi has quit IRC
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4492019-06-20T18:24:39  <phantomcircuit> luke-jr, you can with the power of selinux
4502019-06-20T18:24:41  * phantomcircuit runs
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4522019-06-20T18:26:45  <gertjaap> are there any docs on how to run the linters and checks that travis does locally before committing? i hate to bother reviewers with stuff that i should've caught before committing.
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4542019-06-20T18:28:56  <gertjaap> if i run test/lint/lint-all.sh it does catch the whitespace errors from my PR, but also a whole bunch of other stuff like unused functions and spelling errors.
4552019-06-20T18:31:57  <gertjaap> https://gist.github.com/gertjaap/6abe29c49a84b64e179fd093a6e7579a
4562019-06-20T18:32:05  <luke-jr> check the exit code
4572019-06-20T18:32:35  <sipa> BlueMatt: ok, i have an IPv6 address!
4582019-06-20T18:33:05  <sipa> (i had it all along, but apparantly i had to configure it as a static ip on the system)
4592019-06-20T18:33:27  <luke-jr> ISPs are supposed to give you a /48 subnet :P
4602019-06-20T18:34:46  <BlueMatt> sipa: lol nice
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4622019-06-20T18:38:32  <sipa> BlueMatt: does it work now?
4632019-06-20T18:39:39  <sipa> i expect not
4642019-06-20T18:41:09  <BlueMatt> sipa: I'm on a plane....things r slow....
4652019-06-20T18:41:15  <sipa> ha
4662019-06-20T18:42:41  <BlueMatt> sipa: I dont get a response from 2607:5300:201:3100::3b74
4672019-06-20T18:44:56  *** ddustin has quit IRC
4682019-06-20T18:48:08  <sipa> bleh
4692019-06-20T18:53:23  *** DeanWeen has joined #bitcoin-core-dev
4702019-06-20T18:56:23  <sipa> ok, now my seeder is actually returning ipv6 addresses when requested
4712019-06-20T18:56:30  <sipa> still not available over ipv6 itself
4722019-06-20T18:59:15  <jonasschnelli> sipa: do you do port forwarding to avoid running it as root?
4732019-06-20T18:59:30  <sipa> yes
4742019-06-20T18:59:52  <jonasschnelli> so you either need ip6tables forwarding or switch back to port 53
4752019-06-20T19:00:17  <sipa> yes
4762019-06-20T19:00:17  <jonasschnelli> sudo setcap 'cap_net_bind_service=+ep' /path/to/dnsseeder
4772019-06-20T19:00:31  <jonasschnelli> would allow to occupy port 53 without root
4782019-06-20T19:00:33  <sipa> i use ip6tables, but apparently not correctly :)
4792019-06-20T19:01:09  <wumpus> #startmeeting
4802019-06-20T19:01:09  <lightningbot> Meeting started Thu Jun 20 19:01:09 2019 UTC.  The chair is wumpus. Information about MeetBot at http://wiki.debian.org/MeetBot.
4812019-06-20T19:01:09  <lightningbot> Useful Commands: #action #agreed #help #info #idea #link #topic.
4822019-06-20T19:01:13  <sipa> hello
4832019-06-20T19:01:17  <jeremyrubin> hi
4842019-06-20T19:01:31  <jonasschnelli> hi
4852019-06-20T19:01:45  <wumpus> #bitcoin-core-dev Meeting: wumpus sipa gmaxwell jonasschnelli morcos luke-jr sdaftuar jtimon cfields petertodd kanzure bluematt instagibbs phantomcircuit codeshark michagogo marcofalke paveljanik NicolasDorier jl2012 achow101 meshcollider jnewbery maaku fanquake promag provoostenator aj Chris_Stewart_5 dongcarl gwillen jamesob ken281221 ryanofsky gleb moneyball kvaciral
4862019-06-20T19:01:53  <achow101> hi
4872019-06-20T19:01:57  <meshcollider> hi
4882019-06-20T19:02:20  <wumpus> two topics proposed in https://gist.github.com/moneyball/071d608fdae217c2a6d7c35955881d8a : Bitcoin core PR review club, ASN blob discussion
4892019-06-20T19:02:44  <kanzure> hi
4902019-06-20T19:02:46  <wumpus> also maybe we want to discuss the travis issue again
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4922019-06-20T19:04:03  <meshcollider> Also 2FA discussion from fanquake
4932019-06-20T19:04:08  <moneyball> hi
4942019-06-20T19:04:09  <wumpus> #topic High priority for review
4952019-06-20T19:04:51  <wumpus> https://github.com/bitcoin/bitcoin/projects/8   5 blockers, 2 bugfixes and 6(!) things chasing concept ack
4962019-06-20T19:05:13  <wumpus> anything to add/remove this week ?
4972019-06-20T19:05:34  <jnewbery> hi
4982019-06-20T19:07:21  <wumpus> ok, apparently nothing to discuss in regard to that
4992019-06-20T19:07:50  <wumpus> #topic Bitcoin Core PR review club (jnewbery)
5002019-06-20T19:08:03  <jnewbery> Thanks wumpus
5012019-06-20T19:08:07  <wumpus> https://bitcoin-core-review-club.github.io/
5022019-06-20T19:08:09  <jnewbery> I just wanted to give an update on the Bitcoin Core Review Club (https://bitcoin-core-review-club.github.io/) that we've been doing for the last couple of months.
5032019-06-20T19:08:18  <jnewbery> We've got a solid group of attendees every week, and some of them are commenting on and reviewing PRs in github, so I think it's been reasonably successful so far.
5042019-06-20T19:08:39  <jnewbery> If anyone wants to get involved, we have IRC meetings at 17:00 UTC on Wednesdays. Appearances from established contributors are always appreciated.
5052019-06-20T19:08:45  <jonasschnelli> thanks for doing this jnewbery!
5062019-06-20T19:09:01  <jnewbery> If you have any friends who are less experienced and want to get into Bitcoin Core development, you should send them along
5072019-06-20T19:09:15  <wumpus> yes, great!
5082019-06-20T19:09:31  <jnewbery> I'm away for the next couple of weeks and I'm looking for one or two volunteer hosts, so please message me if you're interested
5092019-06-20T19:09:38  <meshcollider> Very cool, I would definitely come if it wasn't at 5am haha
5102019-06-20T19:09:39  *** ddustin has joined #bitcoin-core-dev
5112019-06-20T19:10:21  <jnewbery> oh, and finally, if you have any suggested PRs for us to cover, please message me also. We're looking for stuff that doesn't require too much esoteric knowledge and is a reasonable size (perhaps ~100 LOC)
5122019-06-20T19:10:26  <jnewbery> that's all. Thanks!
5132019-06-20T19:10:27  *** ddustin has joined #bitcoin-core-dev
5142019-06-20T19:10:36  <BlueMatt> can we do asns? I want to take a nap
5152019-06-20T19:10:37  <wumpus> thanks jnewbery
5162019-06-20T19:10:43  <BlueMatt> also, +1 thanks jnewbery
5172019-06-20T19:10:52  *** ddustin has quit IRC
5182019-06-20T19:10:53  <wumpus> #topic ASN blobs (BlueMatt)
5192019-06-20T19:11:00  <BlueMatt> well maybe sipa can introduce
5202019-06-20T19:11:09  <BlueMatt> but the idea is, basically, why are we bucketing by /16s
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5222019-06-20T19:11:25  <BlueMatt> its an easy hack, but there's lots of isps with way more than /16s and lots with way less
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5242019-06-20T19:11:33  <sipa> to give some context
5252019-06-20T19:11:35  <BlueMatt> our goal, really, is to capture diversity of isps/hosting providers
5262019-06-20T19:12:09  <BlueMatt> we also have seen several groups of spy nodes/large-connection-farms from several different places, but, all together, they originate from < 10 isps
5272019-06-20T19:12:09  *** ddustin has quit IRC
5282019-06-20T19:12:15  <BlueMatt> despite being a *ton* of ips
5292019-06-20T19:12:33  <sipa> we're currently "grouping" certain IP ranges into groups, to make decisions such as whether to make multiple connections to the same range or not, prioritize incoming connections from distinct groups, and control which addrman buckets IPs go into (under the theory that an attacker has a hard time controlling many groups, sybil resistance is improved)
5302019-06-20T19:12:41  <sipa> right now, those are just /16 groups
5312019-06-20T19:12:45  <sipa> for most things
5322019-06-20T19:12:48  *** ddustin has joined #bitcoin-core-dev
5332019-06-20T19:13:13  <sipa> but /16 is a really naive choice; some ISPs control very large ranges, some very small ones
5342019-06-20T19:13:29  *** ddustin has quit IRC
5352019-06-20T19:13:54  <sipa> an obvious improvement is to have a map built-in to bitcoin core that tells what the actual independent network ranges are
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5392019-06-20T19:14:33  <wumpus> so the practical problem would be how to include enough of this data to be useful, but without adding too much data to the executable size
5402019-06-20T19:14:37  <luke-jr> BlueMatt: don't ASNs change?
5412019-06-20T19:14:41  <sipa> so i've been working on seeing how large such a map for real internet data would be, and it turns out we can pack it in around 1 MB, and still efficiently look things up in it
5422019-06-20T19:14:49  <BlueMatt> luke-jr: sure, but not a *lot*
5432019-06-20T19:14:50  <wumpus> yes, they change, it'd be at most an approximation at the time of release
5442019-06-20T19:14:56  <luke-jr> and even if the same ISP owns a big range, that range may be very diverse?
5452019-06-20T19:15:03  *** ddustin has joined #bitcoin-core-dev
5462019-06-20T19:15:09  <wumpus> but that's good enough
5472019-06-20T19:15:27  <BlueMatt> diverse how? against any practical attacks that grouping helps prevent, not diverse at all (mitms, sybils, etc)
5482019-06-20T19:15:37  <wumpus> we don't really want to include all the data in our github repo though
5492019-06-20T19:15:38  *** ddustin has quit IRC
5502019-06-20T19:16:04  <luke-jr> BlueMatt: depends on the attack I guess
5512019-06-20T19:16:06  <wumpus> so I guess this is some kind of challenge for the deterministic builds
5522019-06-20T19:16:12  <BlueMatt> well we could incoporate a text file dump of a routing table into the build process
5532019-06-20T19:16:13  <BlueMatt> thats not too hard
5542019-06-20T19:16:24  <sipa> so i've used a dump from BGP (which is... a gigabyte or so) to extract a mapping from prefixes to ASNs, and then developed a custom packed format to store just the mapping
5552019-06-20T19:16:33  <wumpus> yes, but it should be determinstic per version, without including it into the repo itself
5562019-06-20T19:16:54  <luke-jr> we don't actually need the ASNs though, right? just some logic to decide whether to group by /16, /24, /8, etc
5572019-06-20T19:17:10  <BlueMatt> indeed, we'd have to agree on a source (we could use my dumps, or get them from one of several others who provide dumps, or get output from anyone's bird router)
5582019-06-20T19:17:12  <sipa> luke-jr: correct; though consistency matters for things like addrman
5592019-06-20T19:17:13  <wumpus> that does add some requirements, maybe it's not hard, but it's also not something we've done before
5602019-06-20T19:17:20  *** gabuqo has joined #bitcoin-core-dev
5612019-06-20T19:17:24  <sipa> as we don't want to change what number each range maps to too frequently
5622019-06-20T19:17:27  <luke-jr> although maybe some ISPs have multiple subnets
5632019-06-20T19:17:32  <sipa> and ASN numbers are small
5642019-06-20T19:17:44  <sipa> (most are below 2^16, all are below 350000 or so)
5652019-06-20T19:17:50  <wumpus> luke-jr:yes, quite a few ISPs have non-consecutive subnets
5662019-06-20T19:18:00  *** sheets has joined #bitcoin-core-dev
5672019-06-20T19:18:02  <sipa> luke-jr: indeed, and that's actually by design
5682019-06-20T19:18:08  <sipa> this would give most of AWS one number
5692019-06-20T19:18:21  <BlueMatt> hmm, is there some attack whereby someone just flips their asn every 6 months per release and gets into several buckets? I mean at most you'd get one per six months
5702019-06-20T19:18:32  <sipa> yeah, it's not terrible
5712019-06-20T19:18:37  <sipa> just better to be consistent when possible
5722019-06-20T19:18:41  <BlueMatt> which i guess is also plenty of time to register a new asn, buy some ips, and sell the old ones
5732019-06-20T19:19:05  <sipa> so i think a question for here is, what binary size increase is acceptable and/or is it a separate file with the map that can be replaced?
5742019-06-20T19:19:26  <BlueMatt> separate file seems ideal to me, but that has deployment concerns
5752019-06-20T19:19:43  <BlueMatt> I dont think we could realistically say "take this file that shipped with bitcoin core and copy it to your datadir on first run"
5762019-06-20T19:19:46  <sipa> and what kind of auditing is necessary for it... not everyone is able to extract a BGP dump and compare the result (and it wouldn't be consistent across dumps anyway)
5772019-06-20T19:20:09  <BlueMatt> we could get my dump, and a few other dumps and have a tool to compare them?
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5792019-06-20T19:20:18  <BlueMatt> there's several providers, so it should be doable
5802019-06-20T19:20:20  <sipa> just a text list of prefix -> ASN mappings is just a few MB
5812019-06-20T19:20:27  <sipa> when gzipped
5822019-06-20T19:20:31  <BlueMatt> eg you could get a bunch of dumps from https://rt-bgp.he.net/
5832019-06-20T19:20:45  <BlueMatt> (including mine, indirectly)
5842019-06-20T19:21:18  <sipa> so opinions?
5852019-06-20T19:21:36  <luke-jr> maybe we should only do it for 4 of the 8 peers?
5862019-06-20T19:21:36  <BlueMatt> well I guess two hard proposals, pick one:
5872019-06-20T19:21:40  <BlueMatt> a) build it into the binary
5882019-06-20T19:21:41  <luke-jr> in case ther'es a way to game it
5892019-06-20T19:21:59  <BlueMatt> b) ship a file and (1) look in datadir, (2) if not there, look in the folder where bitcoind is being run from.
5902019-06-20T19:22:05  *** Guyver2 has joined #bitcoin-core-dev
5912019-06-20T19:22:10  <BlueMatt> b) (3) if not, print warning and fall back to /16s
5922019-06-20T19:22:15  <achow101> is it possible to do both? i.e. build it in and have a separate file in datador
5932019-06-20T19:22:22  <sipa> yeah
5942019-06-20T19:22:26  <jnewbery> I'd say not (a). We don't want to add a MB of data to the repo
5952019-06-20T19:22:26  <achow101> so datadir file overrides built in
5962019-06-20T19:22:41  <jnewbery> do we want people to be able to override?
5972019-06-20T19:22:42  <BlueMatt> right, but its mostly a binary size question
5982019-06-20T19:22:44  <sipa> jnewbery: but the distribution should still include it
5992019-06-20T19:22:49  <wumpus> well the build could fetch it somewhere else, it doesn't need to be in the repo
6002019-06-20T19:22:56  <jb55> why does it have to be in-tree? couldn't it be a dependency?
6012019-06-20T19:22:58  <jnewbery> yes, i think the distribution should include it
6022019-06-20T19:22:58  <jb55> yeah
6032019-06-20T19:22:59  <wumpus> it definitely shouldn't be *
6042019-06-20T19:23:01  <BlueMatt> jnewbery: doesnt *technically* have to be in the repo
6052019-06-20T19:23:13  <luke-jr> BlueMatt: data files shouldn't be in bin/
6062019-06-20T19:23:14  <BlueMatt> it could be in the binary without that, as a separate input to gitian
6072019-06-20T19:23:43  <BlueMatt> luke-jr: if you're using a distribution, it should install it appropriately, if you're downloading the targz, then it can be wherever
6082019-06-20T19:24:00  <luke-jr> BlueMatt: datadir is per-user, so can't install there
6092019-06-20T19:24:44  <BlueMatt> further opinions?
6102019-06-20T19:25:11  <jnewbery> Do we want people to be able to supply their own. I think no
6112019-06-20T19:25:21  <BlueMatt> luke-jr: sure, that doesnt mean its not allowed to be there? there's also a copy of the chain there, which is not per-user :p
6122019-06-20T19:25:21  <sipa> jnewbery: i see no reason not to allow that
6132019-06-20T19:25:41  <luke-jr> BlueMatt: it means the distro can't install it there
6142019-06-20T19:25:54  <sipa> we'd have the scripts to build the blob from a list of mappings in contrib/ i guess
6152019-06-20T19:26:06  <wumpus> could have an argument to point to where it is
6162019-06-20T19:26:19  <BlueMatt> yes, definitely have to make it possible to generate your own, given the input is otherwise hard to audit
6172019-06-20T19:26:32  <BlueMatt> luke-jr: yes, hence an option like -look-in-var
6182019-06-20T19:26:51  <wumpus> datadir would only be the default, like it is for other things too unless overridden
6192019-06-20T19:27:55  <luke-jr> so force distros to patch it?
6202019-06-20T19:27:59  <wumpus> but I think we're very much getting into specific implementation details now
6212019-06-20T19:28:00  <jnewbery> because then bad people might supply a bogus network.dat (or whatever) file and tell people to use it
6222019-06-20T19:28:28  <wumpus> well that's true for any file, like peers.dat too
6232019-06-20T19:28:39  <gwillen> I think you could limit the damage a bad network.dat could do by putting sanity checks on it
6242019-06-20T19:28:40  <wumpus> or like a malicious wallet
6252019-06-20T19:28:52  <gwillen> e.g. no aggregating the entire internet into a single "ASN", that sort of thing
6262019-06-20T19:28:53  <sipa> wumpus: are you talking about having it always as a separate file (which may be sourced from several locations), or having it built into the binary (with the option to source it from elsewhere)
6272019-06-20T19:28:55  <wumpus> if you get people to install bogus files into their datadir it's kind of bad
6282019-06-20T19:29:04  *** infernix has quit IRC
6292019-06-20T19:29:24  <BlueMatt> (hopefully, many of these classes of attacks can be further limited by better peer eviction logic, so hopefully thats not *that* easy)
6302019-06-20T19:29:33  <wumpus> sipa: the latter, I think
6312019-06-20T19:29:43  <harding> Perhaps it should start as a separate file and then, later, if it's working well it can be considered for direct inclusion in the binary.
6322019-06-20T19:29:55  <wumpus> sipa: I'm ok with including the data in the distributed binary, I just don't want it in the repository
6332019-06-20T19:30:00  <sipa> ok fair
6342019-06-20T19:30:02  <wumpus> harding: good point too
6352019-06-20T19:30:13  <wumpus> first add support for this
6362019-06-20T19:30:16  <wumpus> then the rest later
6372019-06-20T19:31:53  <sipa> yeah
6382019-06-20T19:33:02  <wumpus> #topic Requiring 2FA for bitcoin orgs on GH (fanquake)
6392019-06-20T19:33:35  <jonasschnelli> I guess I we should disable sms 2fa recovery...
6402019-06-20T19:33:49  <luke-jr> eh, maybe for people with push? it doesn't really matter for most of us
6412019-06-20T19:34:13  <luke-jr> GH doesn't even check 2FA all that often either
6422019-06-20T19:34:15  <BlueMatt> i mean push is pgp-signed (at least in theory)
6432019-06-20T19:34:19  <BlueMatt> matters most for acks
6442019-06-20T19:34:22  <wumpus> jonasschnelli: so is that possible on an organization?
6452019-06-20T19:34:37  <BlueMatt> but, yea, I think I've not had to re-login to github in...years?
6462019-06-20T19:34:42  <jonasschnelli> no... I think need to be done on an individual level
6472019-06-20T19:34:45  <luke-jr> BlueMatt: GitHub being trusted with ACKs is a problem in itself :x
6482019-06-20T19:34:57  <BlueMatt> indeed
6492019-06-20T19:36:02  * jeremyrubin acks on the blockchain
6502019-06-20T19:36:13  <luke-jr> (why nobody sees it)
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6522019-06-20T19:36:59  * BlueMatt -> nap
6532019-06-20T19:37:00  <wumpus> I don't think there's actually much to discuss here: in any case, if you read this and haven't enabled 2FA please do so if possible
6542019-06-20T19:37:21  <jonasschnelli> Yes. And disable phone 2fa recovery
6552019-06-20T19:37:45  <jonasschnelli> (probably use FIDO key and recovery code for backup)
6562019-06-20T19:38:32  <wumpus> ok, any other topics? I think we're through
6572019-06-20T19:39:09  *** elichai2 has quit IRC
6582019-06-20T19:39:30  <phantomcircuit> jonasschnelli, at an organization level you can only enforce that some form of 2fa is enabled, not which type
6592019-06-20T19:41:15  <sipa> oh also short reminder we're going to meet with github tomorrow, if there are any things we should bring up, see https://github.com/bitcoin/bitcoin/issues/15847
6602019-06-20T19:44:08  <wumpus> good to know sipa
6612019-06-20T19:44:20  <wumpus> thanks everyone
6622019-06-20T19:44:21  <wumpus> #endmeeting
6632019-06-20T19:44:21  <lightningbot> Meeting ended Thu Jun 20 19:44:21 2019 UTC.  Information about MeetBot at http://wiki.debian.org/MeetBot . (v 0.1.4)
6642019-06-20T19:44:21  <lightningbot> Minutes:        http://www.erisian.com.au/meetbot/bitcoin-core-dev/2019/bitcoin-core-dev.2019-06-20-19.01.html
6652019-06-20T19:44:21  <lightningbot> Minutes (text): http://www.erisian.com.au/meetbot/bitcoin-core-dev/2019/bitcoin-core-dev.2019-06-20-19.01.txt
6662019-06-20T19:44:21  <lightningbot> Log:            http://www.erisian.com.au/meetbot/bitcoin-core-dev/2019/bitcoin-core-dev.2019-06-20-19.01.log.html
6672019-06-20T19:47:58  *** bitcoin-git has joined #bitcoin-core-dev
6682019-06-20T19:47:58  <bitcoin-git> [bitcoin] MarcoFalke pushed 2 commits to master: https://github.com/bitcoin/bitcoin/compare/413e438ea976...9c95515ba034
6692019-06-20T19:47:59  <bitcoin-git> bitcoin/master fa00326 MarcoFalke: ci: Run extended tests
6702019-06-20T19:47:59  <bitcoin-git> bitcoin/master 9c95515 MarcoFalke: Merge #15520: cirrus: Run extended test feature_pruning
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6722019-06-20T19:48:37  *** bitcoin-git has joined #bitcoin-core-dev
6732019-06-20T19:48:37  <bitcoin-git> [bitcoin] MarcoFalke merged pull request #15520: cirrus: Run extended test feature_pruning (master...1903-ciExt) https://github.com/bitcoin/bitcoin/pull/15520
6742019-06-20T19:48:39  *** bitcoin-git has left #bitcoin-core-dev
6752019-06-20T19:53:11  <achow101> meshcollider: sipa: I've been working on implementing the scriptpubkeymanager  and I noticed a bunch of things related to key generation rely on the wallet version and wallet flags. Thoughts on how to handle those without introducing a circular dependency?
6762019-06-20T19:57:10  *** harrigan has joined #bitcoin-core-dev
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6782019-06-20T19:58:02  <sipa> achow101: expose some options in the LegacySPKMAnager (or whatever you call the instance of it that encapsulated the current ismine/keypool/...), as constructor arguments, and at wallet creation pass the flags down as options to it?
6792019-06-20T20:00:50  *** sheets has quit IRC
6802019-06-20T20:01:05  <achow101> there happen to be some things that can happen after a wallet is loaded that can change the flags though. also the flags aren't necessarily loaded when legacyspkmanager is created
6812019-06-20T20:01:14  <achow101> I supposed a pointer would work?
6822019-06-20T20:03:52  <sipa> maybe, but be careful about locking
6832019-06-20T20:04:09  <sipa> spkmamagers won't have access to a wallet's locks probably
6842019-06-20T20:04:36  <achow101> right
6852019-06-20T20:05:19  <achow101> also a minor problem with wallet.h defining the flags but including it in any of the spkmanager files results in a circular dependency
6862019-06-20T20:05:21  <sipa> if the only way to change a wallet's property is through a setter method, that method can just delegate to calling the legacyspkmanager's corresponding setter
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7082019-06-20T21:00:18  <bitcoin-git> [bitcoin] MarcoFalke pushed 2 commits to master: https://github.com/bitcoin/bitcoin/compare/9c95515ba034...ea45967e856d
7092019-06-20T21:00:19  <bitcoin-git> bitcoin/master fa7dd88 MarcoFalke: test: Add test for unknown args
7102019-06-20T21:00:19  <bitcoin-git> bitcoin/master ea45967 MarcoFalke: Merge #16234: test: Add test for unknown args
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7122019-06-20T21:01:13  *** bitcoin-git has joined #bitcoin-core-dev
7132019-06-20T21:01:13  <bitcoin-git> [bitcoin] MarcoFalke merged pull request #16234: test: Add test for unknown args (master...1906-unknownArgs) https://github.com/bitcoin/bitcoin/pull/16234
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7242019-06-20T21:40:07  <bitcoin-git> [bitcoin] MarcoFalke pushed 2 commits to master: https://github.com/bitcoin/bitcoin/compare/ea45967e856d...b4ad4c0de30f
7252019-06-20T21:40:07  <bitcoin-git> bitcoin/master 9218ce8 Aseem Sood: Failing functional tests stop lcov
7262019-06-20T21:40:07  <bitcoin-git> bitcoin/master b4ad4c0 MarcoFalke: Merge #16207: test: stop generating lcov coverage when functional tests fa...
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7292019-06-20T21:41:02  <bitcoin-git> [bitcoin] MarcoFalke merged pull request #16207: test: stop generating lcov coverage when functional tests fail (master...patch-15648) https://github.com/bitcoin/bitcoin/pull/16207
7302019-06-20T21:41:14  *** bitcoin-git has left #bitcoin-core-dev
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7332019-06-20T21:41:52  <bitcoin-git> [bitcoin] MarcoFalke pushed 2 commits to master: https://github.com/bitcoin/bitcoin/compare/b4ad4c0de30f...23815ee74dfd
7342019-06-20T21:41:52  <bitcoin-git> bitcoin/master eb832cd nicolas.dorier: MSVC: Fix error in debug mode (Fix #16245)
7352019-06-20T21:41:53  <bitcoin-git> bitcoin/master 23815ee MarcoFalke: Merge #16246: MSVC: Fix error in debug mode (Fix #16245)
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7392019-06-20T21:42:52  <bitcoin-git> [bitcoin] MarcoFalke merged pull request #16246: MSVC: Fix error in debug mode (Fix #16245) (master...fix/bigobj) https://github.com/bitcoin/bitcoin/pull/16246
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7482019-06-20T22:19:57  <bitcoin-git> [bitcoin] jonatack opened pull request #16256: doc: remove orphaned header in developer notes (master...remove-orphaned-header-link-in-developer-notes) https://github.com/bitcoin/bitcoin/pull/16256
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