--- Log opened Wed Sep 01 00:00:40 2021
--- Day changed Wed Sep 01 2021
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00:24 < bitcoin-git> [bitcoin] MarcoFalke pushed 3 commits to master: https://github.com/bitcoin/bitcoin/compare/70676e40d8c6...b3a2b8c29fda
00:24 < bitcoin-git> bitcoin/master fab53ff MarcoFalke: Remove unused SERIALIZE_METHODS for CBanEntry
00:24 < bitcoin-git> bitcoin/master fa3bd9d MarcoFalke: Remove CBanEntry::SetNull
00:24 < bitcoin-git> bitcoin/master b3a2b8c MarcoFalke: Merge bitcoin/bitcoin#22849: Remove unused SERIALIZE_METHODS for CBanEntry...
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00:24 < bitcoin-git> [bitcoin] MarcoFalke merged pull request #22849: Remove unused SERIALIZE_METHODS for CBanEntry (master...2109-remBanEntrySer) https://github.com/bitcoin/bitcoin/pull/22849
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00:33 < bitcoin-git> [bitcoin] MarcoFalke opened pull request #22853: fuzz: Remove addrdb fuzz target (master...2109-fuzzRemT) https://github.com/bitcoin/bitcoin/pull/22853
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01:47 < laanwj> just reminded again that we don't currently have metadata backup for the GUI repository like we have for bitcoin/bitcoin in zw/bitcoin-gh-meta
01:52 < laanwj> this would be useful for ghwatch and the list-pulls script, as well as for archival in general
01:54 < jonatack> hm, nor for any of the repos in https://github.com/bitcoin-core, IIUC (?)
01:57 < laanwj> right
01:57 < laanwj> it would make sense to do it for all repos under bitcoin and bitcoin-core
01:58 < laanwj> but it would be a lot of hassle to create a mirror-repo for every one
02:00 < laanwj> mmy grouping it into one archive repo would be best-it's not like the most of the other repositories see a lot of traffic on top of what bitcoin/bitcoin gets
02:02 < laanwj> secp256k1's discussion would be also pretty important to archive
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02:07 < bitcoin-git> [bitcoin] glozow opened pull request #22855: RBF move 3/3: improve RBF documentation (master...2021-09-rbf-docs) https://github.com/bitcoin/bitcoin/pull/22855
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07:35 < bitcoin-git> [bitcoin] darosior closed pull request #22665: policy/rbf: don't return "incorrect" replaceability status (master...rbf_optin_nomempool) https://github.com/bitcoin/bitcoin/pull/22665
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07:44 < laanwj> 22.0 has an impressive number of merged PRs
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07:48 < vasild> :-)
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09:08 < bitcoin-git> [bitcoin] jesseposner closed pull request #21301: [WIP] Chacha20 py testing (master...chacha20-py-testing) https://github.com/bitcoin/bitcoin/pull/21301
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09:17 < bitcoin-git> [bitcoin] MarcoFalke pushed 10 commits to master: https://github.com/bitcoin/bitcoin/compare/b3a2b8c29fda...7e75400bb568
09:17 < bitcoin-git> bitcoin/master 7f07359 Jon Atack: Test src/node/transaction::GetTransaction() without -txindex
09:17 < bitcoin-git> bitcoin/master 8c19d13 Jon Atack: refactor: dedup/reorg createrawtransaction sequence number tests
09:17 < bitcoin-git> bitcoin/master 0097740 Jon Atack: refactor: txid to constant in rpc_rawtransaction to isolate tests
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09:18 < bitcoin-git> [bitcoin] MarcoFalke merged pull request #22437: test, refactor: add GetTransaction() coverage, improve rpc_rawtransaction (master...improve-gettransaction-test-coverage) https://github.com/bitcoin/bitcoin/pull/22437
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10:53 < bitcoin-git> [bitcoin] shoryak opened pull request #22856: Modifications in ComplexMempool benchmark (master...complexmempool) https://github.com/bitcoin/bitcoin/pull/22856
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12:06 < laanwj> added the list of changes and author credits to the 22.0 release notes draft in the wiki, please double-check : https://github.com/bitcoin-core/bitcoin-devwiki/wiki/22.0-Release-Notes-draft#220-change-log
12:06 <@gribble> https://github.com/bitcoin/bitcoin/issues/220 | Wallet and key import and export by sipa · Pull Request #220 · bitcoin/bitcoin · GitHub
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12:27 < sipa> haha
12:27 < sipa> silly gribble
12:30 < michaelfolkson> gribble wants us to go back to 0.22 versioning. Can't cope
12:31 < michaelfolkson> I do wonder if that will cause headaches for other people
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12:33 < shiza> It's not too late to roll back such mistake. :D
12:34 < michaelfolkson> gribble ACKs that :)
12:48 < jonatack> laanwj: heh nice, the script handles unicode in PR titles :D ... a few 22.0 pulls seem to be missing: manually edit the wiki?  send info by IRC?
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13:26 < prayank> 1. Is there anything in Bitcoin Core that prevents situation in which my node has 8 outbound connections (2 ipv4, 2 ipv6, 2 onion, 2 i2p) but in reality they are addresses of 2 nodes.
13:26 < prayank> 2. If my node has only 2 outbound connections: onion and i2p. What are the things that can help me know they are both addresses of same node?
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13:41 < sipa> prayank: there is generally no way to identify nodes, so no, you can't know
13:48 < jonatack> prayank: (you know this, but just saying for anyone reading) in addition to the 8 outbound full and 2 outbound block relay peers, there are 8 additional outbound slots one can use for -addnode (manual) connections to peers selected for their diversity, connectedness, honesty or other desirable qualities
13:49 < prayank> sipa: blocks synced, UA, rebroadcast txs, version and maybe other p2p messages can help? Question 1 above is about avoiding getting connected to attackers/spy and assume we have different nodes in outbound. Question 2 affects privacy of people listening on multiple networks especially onion and garlic.
13:55 < sipa> prayank: if you find a way to tell that two connections are to the same node, it means you can infer the network topology
13:56 < sipa> opinions on this differ, but imho, that's undesirable
13:56 < sipa> well, not quite the full topology, but it's part of it
13:59 < prayank> What should be the best practices? Maybe have lots of outbound and inbound connections? Other things can be avoid using fancy things in UA, don't share addresses on social media and maybe that rebroadcast PR if merged can also help
14:01 < michaelfolkson> Any view on I2P versus Tor if you had to choose one jonatack (or anyone else)? I read that I2P is maybe more robust, reliable than Tor which surprised me given that I'd never heard of I2P until you started working on it
14:01 < sipa> more connections generally means worse privacy (just more things that can be observed)
14:02 < sipa> more connections help the network, and in particular partition resistance
14:02 < sipa> michaelfolkson: anonymity set with I2P is smaller, just by being a smaller network
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14:04 < michaelfolkson> More connections, harder to be eclipsed
14:05 < sipa> yes, that's what partition resistance means
14:05 < sipa> well, it's broader - eclipse attacks are attempts to isolate a single target node
14:05 < michaelfolkson> Oh I had them as separate things. Partition resistance as the network splitting in two and eclipse as the network potentially being fine but an adversary controlling all your peers
14:05 < sipa> partitions are broader, where you just have two groups of nodes that are not interconnected
14:06 < sipa> (or only interconnected by attackers)
14:06 < michaelfolkson> Global versus local partitions I guess
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14:11 < michaelfolkson> Certainly in the Erlay discussions/motivation more connections is seen as a good thing to avoid eclipse attacks and improve tx propagation. Depends if you are interested in that more or privacy more
14:12 < michaelfolkson> You can't really have best practices if there are trade-offs and everyone has different preferences with regards to those trade-offs
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14:15 < sipa> imho those are design decisions, about how things should work by default
14:15 < sipa> you can't assume that people follow best practices, at least not w.r.t your own privacy
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14:16 < sipa> and certainly can't assume people read documentatiom
14:17 < michaelfolkson> Indeed :)
14:18 < prayank> More I read about anything, more I feel there is no privacy online. We are just playing Tom and Jerry. michaelfolkson: i2p vs Tor basic differences: https://github.com/prayank23/Learning-Bitcoin-from-the-Command-Line/blob/i2p/15_0_Using_i2p.md (Tor is better in few things and as sipa mentioned it has more nodes)
14:18 < michaelfolkson> Best practices sounds to me like advice or guidance rather than defaults
14:19 < michaelfolkson> Choosing a single default for all users is impossible (although you have to land somewhere)
14:19 < prayank> Not reusing a bitcoin adress is a best practice
14:21 < michaelfolkson> Ok not really a downside to not doing that though apart from marginal additional software complexity
14:22 < michaelfolkson> prayank: Thanks, this is the link I was looking for https://geti2p.net/en/comparison/tor
14:22 < michaelfolkson> Cool you are contributing to Learning Bitcoin from Command Line
14:24 < prayank> michaelfolkson: that page was last updated in 2016, so I had researched few things from other places and wrote in the table
14:24 < sipa> prayank: i agree, but just telling people not to reuse addresses isn't going to do much; designing software such that not reusing is easier is
14:25 < prayank> +1
14:25 < sipa> that's not to say that documentation is pointless; obvioisly not, it goes a long way towards educating
14:25 < michaelfolkson> prayank: Nice. I'm assuming the I2P site might be a touch biased in favor of I2P too :)
14:25 < sipa> but just that isn't going to cut it
14:25 < jonatack> michaelfolkson: for now there are only a few dozen i2p peers, as sipa mentioned.  maybe it depends on your goals, but running dual tor+i2p (or all networks ip/tor/i2p) might be interesting from a robustness standpoint; if one of the privacy networks has issues, like the tor consensus nodes causing network liveness issues last jan and feb, or if
14:25 < jonatack> your i2p router stops working and needs to be restarted, the other may function as a backup.
14:25 < earnestly> nudge theory is quite a horrible technique in practice
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14:28 < michaelfolkson> jonatack: Right for now that makes sense. Just wondering about long term "winner" and if I2P has long term strengths over Tor
14:29 < michaelfolkson> Don't know if it is winner take all in privacy protocols, perhaps it isn't
14:29 < sipa> in terms of paryition resistance, more networks is just better :)
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14:37 < jonatack> bitcoind p2p over i2p generally seems to have higher latency (slower), some router reliability issues afaics (at least, with older versions of i2pd or recent versions on some platforms), and some people say it has a history of bugginess.  otoh, i do not know if the i2p network sees fewer attacks like what tor v3 saw at the start of this year.  at
14:37 < jonatack> any rate it's a little early to run only i2p, but some people began their first experiments trying bitcoin over i2p by running onlynet=i2p (and reported two months for IBD)
14:39 < jonatack> that's only what i see/hear. it might not be accurate :)
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14:41 < michaelfolkson> jonatack: Interesting, have you chatted to I2P devs? Presumably having it in Core is a win for them
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14:46 < michaelfolkson> Trusted directory servers (Tor) versus Distributed network database (I2P)
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15:12 < b10c> reposting this as I'm not sure how much attention it got already: https://arxiv.org/abs/2108.00815 
15:15 < sipa> b10c: i saw it
15:15 < b10c> prayank: authors claim they (and the entity launching the attack) can find out the addresses for a node listening on multiple interfaces. eg IPv4, IPv6, Tor and I2P
15:16 < b10c> sipa: based on my understanding, their claims are reasonable. do you agree?
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15:16 < prayank> b10c: Interesting. Reading pdf.
15:19 < sipa> b10c: yes, it's a reasonable theory that that's the goal of the attack
15:21 < sipa> and i also believe that they indeed can infer connections to the same node... which is why i'd consider it an attack
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15:21 < sipa> some of the improvements in 22.0 will make this harder (the rate limiting of addr relay etc), but it won't fix it entirely
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15:51 < b10c> sipa: any other, not yet implemented, ways of making similar attacks harder? slight randomness in the addr msg timestamp when relaying or breaking the addr msg fingerprint by replacing IPs with other previously learned IPs if the msg contains >X IPs?
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15:53 < sipa> b10c: the real solution, i fear, is having a separate addrman for each network
15:57 < b10c> sipa: hmm. thanks though!
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15:59  * b10c thinking about building more monitoring for these addr attacks (or P2P anomalies in general) 
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16:01 < sipa> b10c: great
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16:11 < lightlike> b10c: did you see https://www.dsn.kastel.kit.edu/bitcoin/index.html by the authors of the paper? the "Churn" graph there (I think their nodes try to connect to every node they get an addr for) went into the roof when the addr spam started
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17:30 < bitcoin-git> [bitcoin] fanquake pushed 2 commits to master: https://github.com/bitcoin/bitcoin/compare/7e75400bb568...dc9ffb6bc452
17:30 < bitcoin-git> bitcoin/master d2a09c8 Pieter Wuille: doc: mention bech32m/BIP350 in doc/descriptors.md
17:30 < bitcoin-git> bitcoin/master dc9ffb6 fanquake: Merge bitcoin/bitcoin#22837: doc: mention bech32m/BIP350 in doc/descriptor...
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17:30 < bitcoin-git> [bitcoin] fanquake merged pull request #22837: doc: mention bech32m/BIP350 in doc/descriptors.md (master...202108_bip350descdoc) https://github.com/bitcoin/bitcoin/pull/22837
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18:32 < bitcoin-git> [bitcoin] meshcollider pushed 2 commits to master: https://github.com/bitcoin/bitcoin/compare/dc9ffb6bc452...9a86327512b3
18:32 < bitcoin-git> bitcoin/master d9d3ec0 Andrew Chow: Consolidate XOnlyPubKey lookup hack
18:32 < bitcoin-git> bitcoin/master 9a86327 Samuel Dobson: Merge bitcoin/bitcoin#22512: Consolidate XOnlyPubKey lookup hack
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18:32 < bitcoin-git> [bitcoin] meshcollider merged pull request #22512: Consolidate XOnlyPubKey lookup hack (master...xonly-lookup-hack) https://github.com/bitcoin/bitcoin/pull/22512
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18:35 < bitcoin-git> [bitcoin] fanquake pushed 2 commits to master: https://github.com/bitcoin/bitcoin/compare/9a86327512b3...9487b68f06b0
18:35 < bitcoin-git> bitcoin/master 96cc6bb Carl Dong: guix/prelude: Override VERSION with FORCE_VERSION
18:35 < bitcoin-git> bitcoin/master 9487b68 fanquake: Merge bitcoin/bitcoin#22847: guix/prelude: Override `VERSION` with `FORCE_...
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18:35 < bitcoin-git> [bitcoin] fanquake merged pull request #22847: guix/prelude: Override `VERSION` with `FORCE_VERSION` (master...2021-08-SDE-based-on-VERSION) https://github.com/bitcoin/bitcoin/pull/22847
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18:40 < bitcoin-git> [bitcoin] fanquake opened pull request #22857: [22.x] Backports  (22.x...more_22_x_backports) https://github.com/bitcoin/bitcoin/pull/22857
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18:42 < fanquake> meshcollider: nice to see you've fixed your clock heh
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18:44 < bitcoin-git> [bitcoin] fanquake pushed 2 commits to master: https://github.com/bitcoin/bitcoin/compare/9487b68f06b0...3af495d69723
18:44 < bitcoin-git> bitcoin/master 76f031b fanquake: build: fix unoptimized libraries in depends
18:44 < bitcoin-git> bitcoin/master 3af495d fanquake: Merge bitcoin/bitcoin#22840: build: fix unoptimized libraries in depends
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18:44 < bitcoin-git> [bitcoin] fanquake merged pull request #22840: build: fix unoptimized libraries in depends (master...fix_depends_lib_optimisation) https://github.com/bitcoin/bitcoin/pull/22840
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19:13 < bitcoin-git> [bitcoin] fanquake opened pull request #22858: [0.21] Potential rc3 backports (0.21...potential_0_21_rc3_backports) https://github.com/bitcoin/bitcoin/pull/22858
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19:41 < bitcoin-git> [bitcoin] fanquake pushed 2 commits to master: https://github.com/bitcoin/bitcoin/compare/3af495d69723...01fa1481f9d8
19:41 < bitcoin-git> bitcoin/master 56a42f1 Pieter Wuille: Stricter BIP32 decoding and test vector 5
19:41 < bitcoin-git> bitcoin/master 01fa148 fanquake: Merge bitcoin/bitcoin#22836: Stricter BIP32 decoding and test vector 5
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19:42 < bitcoin-git> [bitcoin] fanquake merged pull request #22836: Stricter BIP32 decoding and test vector 5 (master...202108_bipvec5) https://github.com/bitcoin/bitcoin/pull/22836
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19:46 < bitcoin-git> [bitcoin] fanquake pushed 2 commits to master: https://github.com/bitcoin/bitcoin/compare/01fa1481f9d8...43bf824ff235
19:46 < bitcoin-git> bitcoin/master fa18553 MarcoFalke: fuzz: Remove addrdb fuzz target
19:46 < bitcoin-git> bitcoin/master 43bf824 fanquake: Merge bitcoin/bitcoin#22853: fuzz: Remove addrdb fuzz target
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19:46 < bitcoin-git> [bitcoin] fanquake merged pull request #22853: fuzz: Remove addrdb fuzz target (master...2109-fuzzRemT) https://github.com/bitcoin/bitcoin/pull/22853
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19:53 < bitcoin-git> [bitcoin] fanquake closed pull request #21478: guix: Use `pigz` as a faster `gzip` replacement (master...2021-03-guix-pigz-can-fly) https://github.com/bitcoin/bitcoin/pull/21478
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20:26 < bitcoin-git> [bitcoin] fanquake pushed 2 commits to master: https://github.com/bitcoin/bitcoin/compare/43bf824ff235...77e77e8544c7
20:26 < bitcoin-git> bitcoin/master 5559cf1 Hennadii Stepanov: doc: Add packages that provide Qt Wayland plugin for Linux
20:26 < bitcoin-git> bitcoin/master 77e77e8 fanquake: Merge bitcoin/bitcoin#22631: doc: Add packages that provide Qt Wayland plu...
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20:26 < bitcoin-git> [bitcoin] fanquake merged pull request #22631: doc: Add packages that provide Qt Wayland plugin for Linux (master...210805-wayland) https://github.com/bitcoin/bitcoin/pull/22631
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20:27 < meshcollider> fanquake: I have to manually adjust it every time now hah
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21:08 < Bullit> 3KWmEuAXy8HauiZRhUJLVdn4eFKvoGCtap restore my balance
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22:27 < bitcoin-git> [bitcoin] fanquake opened pull request #22859: Replace uses of boost::trim* with locale-independent alternatives (#18130 rebased) (master...18130_rebased) https://github.com/bitcoin/bitcoin/pull/22859
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22:28 < bitcoin-git> [bitcoin] fanquake closed pull request #18130: Replace uses of boost::trim* with locale-independent alternatives (master...2020-02-boost-trim) https://github.com/bitcoin/bitcoin/pull/18130
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--- Log closed Thu Sep 02 00:00:56 2021