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  42017-01-31T00:40:24  <bitcoin-git> [bitcoin] jtimon opened pull request #9654: Add jtimon pgp keys for commit sigs and future gitian builds (master...jtimon-key-gpg) https://github.com/bitcoin/bitcoin/pull/9654
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 262017-01-31T06:33:17  <luke-jr> what would others think of a feature where you can sign a message using the UTXO set to show you probably run a full node?
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 282017-01-31T06:56:35  <jl2012> you could outsource this, I suppose
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 322017-01-31T07:13:20  <sipa> if you do it as a challenge-response, and require a response within not-much-more-than-ping-time, you'd at least prove you're close to a full node
 332017-01-31T07:15:58  <luke-jr> jl2012: yes, it won't be 100% reliable, but it might be handy
 342017-01-31T07:16:23  <luke-jr> sipa: that sounds much more complicated (can't really integrate with a browser) :/
 352017-01-31T07:16:51  <luke-jr> it would also exclude those who have remote full nodes under their own control
 362017-01-31T07:17:05  <luke-jr> depending on implementation I guess
 372017-01-31T07:17:37  <luke-jr> I suppose the node can contact the webpage directly, but that seems like not the best idea for security
 382017-01-31T07:21:57  <sipa> webpage?
 392017-01-31T07:22:34  <sipa> maybe you have a very different use case in mind than me
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 422017-01-31T08:01:18  <luke-jr> sipa: I was thinking for polling users
 432017-01-31T08:07:23  <TD-Linux> that makes no sense if you're trying to make 1 vote per user
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 452017-01-31T08:40:45  <CubicEarth> luke-jr: you are interested in poll results, 1 vote per-full node?
 462017-01-31T08:41:05  <luke-jr> CubicEarth: that's up to the polling website to figure out weights
 472017-01-31T08:41:40  <luke-jr> eg, one might use a combination of full-node-signature plus coin-control-signature to weigh by coins controlled
 482017-01-31T08:42:40  <CubicEarth> luke-jr: Nice! Anything with coin-weights is near and dear to my heart
 492017-01-31T08:44:58  <CubicEarth> luke-jr: any what are you trying to limit by wanting the full-node signature in addition to coin control proof?
 502017-01-31T08:46:06  <luke-jr> gauging interest and possible consent in protocol change ideas
 512017-01-31T08:47:12  <CubicEarth> I guessed that part.... but my question stands
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 542017-01-31T08:53:55  <CubicEarth> I could see the benefit in giving coins more weight if someone can prove a node as well, but I can't see a point to giving the same amount of coins more weight if two nodes were proved
 552017-01-31T08:57:37  <luke-jr> I'm not even sure what you're asking about there
 562017-01-31T08:59:05  <CubicEarth> If you are interested in proof-of-full-node as a voting concept, and if so, curious as to why sybil wouldn't be an issue
 572017-01-31T09:00:01  <CubicEarth> So, that's why I said I could see it being binary: do the coins that are voting also have a node.... that wouldn't have sybil issues
 582017-01-31T09:00:40  <CubicEarth> maybe I missed something about the discussion
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 722017-01-31T12:47:06  <jl2012> luke-jr: wouldn't it be very cheap to run one full node, and pretend to be 100 using 100 ip addresses?
 732017-01-31T13:18:55  <jl2012> if proof of full node is remotely possible, we don't need pow
 742017-01-31T13:20:13  <jl2012> finally, people will just invest on resources (e.g. ip addresses), that do not have anything to do with the security of bitcoin
 752017-01-31T13:24:37  <CubicEarth> I could see a small use case: If someone has a bunch of coins they want to vote with, they could also need to prove they have a full node. There would be no limit to the coins that one node could enable to vote.
 762017-01-31T13:24:47  <CubicEarth> What would that show?
 772017-01-31T13:25:05  <CubicEarth> That someone who wanted to vote was able to create a full node
 782017-01-31T13:25:28  <CubicEarth> I don't know if that would be important to anyone....
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 822017-01-31T14:04:55  <gmaxwell> sipa: no you don't, I can artifically increase my ping time.
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 842017-01-31T14:25:25  <Eliel_> jl2012: isn't it reasonably easy to construct a challenge you can use to verify a full node? There have been ideas for mining algorithms that'd make mining impossible if you don't have the full blockchain available.
 852017-01-31T14:26:21  <Eliel_> although, the only way to verify that two different looking nodes aren't the same one would be to challenge them both at the same time.
 862017-01-31T14:26:23  <jl2012> yes, but luke-jr is suggesting a voting system based on that
 872017-01-31T14:26:51  <jl2012> and that's outsourceable
 882017-01-31T14:26:55  <Eliel_> I guess I'd better read the backlog
 892017-01-31T14:27:18  <jl2012> even for the purpose of mining, that's outsourceable
 902017-01-31T14:30:25  <jonasschnelli> If I create a bloom filter (block filter) of all the COutPoints and inputs scriptSigs of a recent block, it will get pretty big,... It often hits around 15'000 elememts, so, roughly 15kb per block = 2.1MB of filters per day... Any idea how to improve that?
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 942017-01-31T15:25:38  <sipa> gmaxwell: sure, but then you have a higher ping time
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1342017-01-31T20:10:36  <bitcoin-git> [bitcoin] practicalswift closed pull request #9581: [pep-8] Prefer "foo is None" to "foo == None". Prefer "foo not in bar" to "not foo in bar". (master...test-for-membership) https://github.com/bitcoin/bitcoin/pull/9581
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1362017-01-31T20:55:59  <BlueMatt> wtf travis
1372017-01-31T20:56:00  <BlueMatt> https://travis-ci.org/TheBlueMatt/bitcoin/jobs/197083388#L5456
1382017-01-31T20:56:06  <BlueMatt> "The command "if [ "$RUN_TESTS" = "true" -a "$TRAVIS_REPO_SLUG" = "TheBlueMatt/bitcoin" -a "$TRAVIS_PULL_REQUEST" = "false" ]; then contrib/verify-commits/verify-commits.sh; fi" exited with 127."
1392017-01-31T20:56:10  <BlueMatt> but it keps turnning......
1402017-01-31T20:56:28  <BlueMatt> oh, it did mark failure, ok
1412017-01-31T20:59:50  <bitcoin-git> [bitcoin] TheBlueMatt opened pull request #9656: Add Marko's Key to verify-commits and check verify-commits on pushes to master (master...2017-01-fix-verify-commits) https://github.com/bitcoin/bitcoin/pull/9656
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1432017-01-31T21:00:30  <bitcoin-git> [bitcoin] jnewbery opened pull request #9657: Improve rpc-tests.py (master...improvepytests2) https://github.com/bitcoin/bitcoin/pull/9657
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1562017-01-31T22:10:11  <bitcoin-git> [bitcoin] isle2983 opened pull request #9658: Add clang_format.py to help automate code style analysis (master...PR-clang-format) https://github.com/bitcoin/bitcoin/pull/9658
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1602017-01-31T22:51:14  <bitcoin-git> [bitcoin] jtimon opened pull request #9659: Net: Turn some methods and params/variables const (master...0.14-net-more-const) https://github.com/bitcoin/bitcoin/pull/9659
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1682017-01-31T23:27:15  <dgenr8> to conduct a poll by coins you can make a hard-forking client with limited ways to "spend" coins to vote (none of which create txes valid on mainnet). has similar drawbacks as bitcoinocracy
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