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04:07 < Sylvain85> Bonjours
04:10 < Sylvain85> y a t il quelqu un qui pourait me dire comme faire une solo pool svp
04:12 < Sylvain85> o     
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05:57 < helo_> hello, are you sure all script tests are correct? specifically "["549755813888", "0x06 0xFFFFFFFF7F EQUAL", "P2SH,STRICTENC", "OK"]," in script_tests.json
06:00 < helo_> previous test: "["549755813887", "0x05 0xFFFFFFFF7F EQUAL", "P2SH,STRICTENC", "OK"],"
06:14 < wumpus> I'm confused by that one
06:14 < arubi> it's fine..
06:15 < arubi> some number base 10 as input, equals to some base16 thing on the script
06:16 < wumpus> fairly sure it's fine, but I couldn't quite explain why both of them match with different values
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06:16 < arubi> ohh now I see what you mean
06:17 < arubi> that is weird.  0xFFFFFFFF7F is not 0x06 bytes
06:17 < helo_> that's my point :)
06:18 < wumpus> extrapolating from the previous ones you'd expect it to be 0x06 0x000000008000
06:18 < arubi> that's the correct encoding fwiw
06:23 < bitcoin-git> [bitcoin] ryanofsky opened pull request #10403: Fix importmulti failure to return rescan errors (master...pr/scansame) https://github.com/bitcoin/bitcoin/pull/10403
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06:27 < wumpus> ["549755813888", "0x06 0x000000008000 EQUAL", "P2SH,STRICTENC", "OK"], passes as well
06:27 < arubi> so is 549755813888 == 0xFFFFFFFF7F87  ..?
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06:42 < arubi> well not "==" I guess, since the equal op /is/ "eaten" by the 0x06, so not sure.  I do get "unknown error" trying to redeem such a script on regtest (some older client)
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06:42 < arubi> probably doing something wrong though
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06:55 < SopaXorzTaker> wait
06:55 < SopaXorzTaker> why does the PoW process only calculate the hash of the block header?
06:55 < SopaXorzTaker> why not the whole block?\
06:55 < SopaXorzTaker> I understand that there's a Merkle root in the header which allows to verify the transactions attached
06:56 < SopaXorzTaker> but still, hashing the header only makes room for some optimization
06:56 < wumpus> right, it indirectly verifies the whole block, that's enough
06:56 < SopaXorzTaker> and PoW has to be hard
06:56 < wumpus> it already can be made arbitrarily hard by choosing a low target
06:57 < wumpus> and the hardness shouldn't really depend on the size of the block or number of transactions
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07:18 < paveljanik> jnewbery: I have now finished current master's test_runner two times without "failed" status. One run before, I received 1 failure TypeError: 'NoneType' object is not iterable and one bitcoind remained unkilled. I'm now trying to reach the status of more than one failure and will investigate how many bitcoinds will remained unkilled.
07:22 < jnewbery> paveljanik: great. I'm planning to tackle the 'NoneType' object is not iterable errors once #10359 and the following PR are merged. Those 'NoneType' object is not iterable errors are to do with the test framework's tracking of the bitcoind processes. Once that state is handled by the TestFramework class it should be easier to work on.
07:22 < gribble> https://github.com/bitcoin/bitcoin/issues/10359 | [tests] functional tests should call BitcoinTestFramework start/stop node methods by jnewbery · Pull Request #10359 · bitcoin/bitcoin · GitHub
07:23 < bitcoin-git> [bitcoin] sdaftuar opened pull request #10404: Add logging to FinalizeNode() (master...2017-05-log-finalize-node) https://github.com/bitcoin/bitcoin/pull/10404
07:23 < paveljanik> ok, great!
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07:54 < wumpus> arubi: yes, the OP_EQUAL is eaten
07:55 < wumpus> so it exits the script with ffffffff7f87 on the stack, and as CLEANSTACK is not checked for that test, it passes
07:57 < arubi> somehow I thought CLEANSTACK was included in P2SH
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07:57 < arubi> yep, seeing now that it's not
07:57 < wumpus> I thought so too but it's the other way around
07:58 < wumpus> for the json scripttests, CLEANSTACK drags in P2SH and WITNESS
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08:02 < bitcoin-git> [bitcoin] laanwj opened pull request #10405: tests: Correct testcase in script_tests.json for large number OP_EQUAL (master...2017_05_scriptnum_test) https://github.com/bitcoin/bitcoin/pull/10405
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08:06 < arubi> wumpus, I think it's missing a ',' ?
08:08 < arubi> unless github screws with the view somehow, line 352 is missing the final comma 
08:10 < wumpus> ah yes thanks, I copy pasted it from an otherwise empty json
08:20 < bitcoin-git> [bitcoin] laanwj pushed 3 new commits to master: https://github.com/bitcoin/bitcoin/compare/41987aa92f0d...96c850c20913
08:20 < bitcoin-git> bitcoin/master c99ab3c Luke Dashjr: RPC: Allow multiple names for parameters
08:20 < bitcoin-git> bitcoin/master e3c9f2d Andrew Chow: Use a verbosity instead of two verbose parameters...
08:20 < bitcoin-git> bitcoin/master 96c850c Wladimir J. van der Laan: Merge #8704: [RPC] Transaction details in getblock...
08:20 < bitcoin-git> [bitcoin] laanwj closed pull request #8704: [RPC] Transaction details in getblock (master...getblock-extraverbose) https://github.com/bitcoin/bitcoin/pull/8704
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11:46 < dermoth> Hey there... I was thinking about the issue of block size vs. propagation time... If I'm not mistaken Bitcoin already sends header only first so miners can start mining quickly on tip, but they cannot validate/include any transaction until they get the full block...
11:48 < dermoth> What if the block header includes a bloom filter on tx inputs, so miners could at least include any transactions that the bloom filter tells for sure cannot be double spends from the accompanying block header
11:48 < sipa> look at BIP152
11:48 < sipa> that's far smaller than a bloom filter is in normal cases
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11:54 < dermoth> Nice... well I was considering a very small bloom filter.... arguably I didn't even check how small it can be without  ending up being 100% false positive
11:54 < dermoth> especially considering much larger block sizes
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12:02 < dermoth> sipa, I must say I'm not very familiar with bloom filters besides the concept, but according to https://krisives.github.io/bloom-calculator/, with 1M items and 50% error rate all you need is 176k
12:02 < sipa> bip152 often relays blocks in a few kb
12:03 < dermoth> well i'm talking an extreme case... how large would be a block with 1M tx ?
12:03 < sipa> that many transactions don't fit in a block
12:04 < dermoth> 3k tx, 10% error rate is 1.75kb
12:04 < dermoth> sipa, i'm thinking wayyyy ahead ;)
12:04 < gmaxwell> dermoth: mining without validation is pretty toxic to scalablity, because it makes it insecure to use lite wallets.
12:04 < sipa> perhaps this is more for #bitcoin-wizards then
12:04 < sipa> also, a bloom filter won't let you find conflicts with other transactions
12:04 < gmaxwell> tiny amounts are probably irrelevant, but larger amounts not so much.
12:05 < dermoth> that'S why I said iy would have to be based on inputs rather than tx hhashes
12:05 < gmaxwell> sipa: well you can filter the inputs that were spent, there was a point on bitcoin-dev about this a year ago.
12:05 < sipa> ah yes
12:05 < sipa> anyway, seems offtopic for here
12:06 < gmaxwell> In pratice miners just combine into a bigger pool in any case. Rather than worrying about adding more complexity handling bloom filter messages,
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12:06 < dermoth> I'm just throwing out the idea... if there's a way to make it work it could be a cheap way to allow miners quickly add tx to new blocks while they're syncing up the block data
12:07 < dermoth> sipa, yes possibly OT - hoe many bitcoin "dev" channels there is?? :)
12:08 < sipa> well this channel is about the developement of bitcoin core
12:08 < sipa> not about ideas to radically change the protocol
12:13 < dermoth> Maybe I could try drafting up a proposal...Actually all there is needed to add is the bloom hash and any variable parameters (ex if implemented with variable size), as the bloom filter can be generated from the block data. But I'm 100% sure how an input can be uniquely identified; i.e. so there would be no room for double spends
12:13 < gmaxwell> dermoth: this has already been proposed.
12:13 < gmaxwell> about a year ago.
12:14 < gmaxwell> and as I said, I don't think there is any interest: it slaughters light client security, so it isn't a public benefit, and when miners are concerned about orphaning they just respond by centeralizing.
12:16 < dermoth> gmaxwell, I'm not sure we're talking about the same thing... the bloom filter would be only useful to allow miners to quickly start adding transactions to the blocks. I'm thinking of only additional data in the block header to make this possible
12:16 < sipa> and there is no way to prove that the bloom filter is correct
12:17 < sipa> and if it isn't, miners may produce invalid blocks
12:17 < dermoth> probably something like filter size & hash, then clients could choose to receive the header + bloom and start generating block templates that include transaction that the filter guarantees are not double spends
12:17 < sipa> please, no shower thought ideas here
12:18 < sipa> this channel is about implementation and development of the bitcoin core software
12:18 < dermoth> #bitcoin-dev would be more appropriate?
12:19 < windsok> #bitcoin-wizards
12:20 < dermoth> thanks
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12:22 < gmaxwell> dermoth: What was propsoed was creating a bloom filter of the txins spent by a block so that miners could do even more mining without validating and not miss out on collecting (most of the) fees.
12:23 < sipa> gmaxwell: please, not here
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13:52 < bitcoin-git> [bitcoin] MarcoFalke pushed 2 new commits to master: https://github.com/bitcoin/bitcoin/compare/96c850c20913...8bd16ee12fc8
13:52 < bitcoin-git> bitcoin/master 3ba2c08 John Newbery: [tests] fix disconnect_ban intermittency
13:52 < bitcoin-git> bitcoin/master 8bd16ee MarcoFalke: Merge #10376: [tests] fix disconnect_ban intermittency...
13:53 < bitcoin-git> [bitcoin] MarcoFalke closed pull request #10376: [tests] fix disconnect_ban intermittency (master...disconnect_ban_flakiness) https://github.com/bitcoin/bitcoin/pull/10376
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14:58 < bitcoin-git> [bitcoin] metacoin opened pull request #10407: Trivial: fixed spelling, "Bitcion" -> "Bitcoin" (master...metacoin-fix-translation-spelling) https://github.com/bitcoin/bitcoin/pull/10407
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15:40 < bitcoin-git> [bitcoin] sipa pushed 2 new commits to master: https://github.com/bitcoin/bitcoin/compare/8bd16ee12fc8...b6ee855b411e
15:40 < bitcoin-git> bitcoin/master 4f3782e Simone Madeo: [doc] Removing comments about dirty entries on txmempool
15:40 < bitcoin-git> bitcoin/master b6ee855 Pieter Wuille: Merge #10380: [doc] Removing comments about dirty entries on txmempool...
15:40 < bitcoin-git> [bitcoin] sipa closed pull request #10380: [doc] Removing comments about dirty entries on txmempool (master...master) https://github.com/bitcoin/bitcoin/pull/10380
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16:08 < bitcoin-git> [bitcoin] fanquake closed pull request #10407: Trivial: fixed spelling, "Bitcion" -> "Bitcoin" (master...metacoin-fix-translation-spelling) https://github.com/bitcoin/bitcoin/pull/10407
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23:10 < bitcoin-git> [bitcoin] laanwj pushed 2 new commits to master: https://github.com/bitcoin/bitcoin/compare/b6ee855b411e...d0c37ee78984
23:10 < bitcoin-git> bitcoin/master 761392d John Newbery: [logging] log system time and mock time
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23:10 < bitcoin-git> bitcoin/master d0c37ee Wladimir J. van der Laan: Merge #10383: [logging] log system time and mock time...
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23:10 < bitcoin-git> [bitcoin] laanwj closed pull request #10383: [logging] log system time and mock time (master...log_mocktime) https://github.com/bitcoin/bitcoin/pull/10383
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23:24 < bitcoin-git> [bitcoin] str4d opened pull request #10408: Net: Improvements to Tor control port parser (master...torcontrol-parser-patches) https://github.com/bitcoin/bitcoin/pull/10408
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23:55 < bitcoin-git> [bitcoin] jonasschnelli pushed 2 new commits to master: https://github.com/bitcoin/bitcoin/compare/d0c37ee78984...95546c859b71
23:55 < bitcoin-git> bitcoin/master 012fa9b Spencer Lievens: Add OSX keystroke to clear RPCConsole...
23:55 < bitcoin-git> bitcoin/master 95546c8 Jonas Schnelli: Merge #10362: [GUI] Add OSX keystroke to RPCConsole info...
23:55 < bitcoin-git> [bitcoin] jonasschnelli closed pull request #10362: [GUI] Add OSX keystroke to RPCConsole info (master...RPC-OSX-Keystroke) https://github.com/bitcoin/bitcoin/pull/10362
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23:58 < jonasschnelli> Can someone working on the net-code give a final ACK/NACK for https://github.com/bitcoin/bitcoin/pull/9502? sipa, cfields?