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  32 2013-02-14 01:03:40 <da2ce7> hey Luke-Jr: http://i.imgur.com/nIRcqNl.png (for V day)
  33 2013-02-14 01:03:41 <Guest83462> is there anyway you guys can stop the selloff??!!!!
  34 2013-02-14 01:03:54 <Guest83462> wtf
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  36 2013-02-14 01:05:49 <broomkorn> lol
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  52 2013-02-14 01:41:42 <BlueMatt> sipa: ping
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 185 2013-02-14 06:16:47 <becheesus> hi there
 186 2013-02-14 06:17:35 <becheesus> i'm writing a web application that i want to be able to receive incoming bitcoin transactions to an address
 187 2013-02-14 06:17:58 <becheesus> what is the best way to be notified on incoming new transactions
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 190 2013-02-14 06:20:31 <becheesus> trivially it can be done without bitcoind by using the blockchain websockets api
 191 2013-02-14 06:20:39 <becheesus> but are these transactions even committed to a block?
 192 2013-02-14 06:22:28 <becheesus> or should i be using bitcoind getreceivedbyaddress
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 194 2013-02-14 06:24:05 <weex> becheesus: if it doesn't get into a block, it's doesn't count longterm
 195 2013-02-14 06:24:19 <weex> if you can handle it, i'd go with bitcoind
 196 2013-02-14 06:24:40 <becheesus> yep i can handle it. i was just trying to do it as simply as possible really.
 197 2013-02-14 06:25:00 <weex> sometimes simple means as a package for others to be able to setup easily and maintain
 198 2013-02-14 06:25:15 <weex> for example i made a mybb plugin that uses the blockchain.info api because i wanted it to be easy to setup
 199 2013-02-14 06:25:23 <becheesus> for me simple means i wont screw it up and accidently lose money :)
 200 2013-02-14 06:26:02 <weex> test using testnet is the recommendation there
 201 2013-02-14 06:26:52 <weex> transfer funds off server as soon as practical etc
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 212 2013-02-14 06:44:50 <Jouke> I installed rc1 on my vps with ubuntu. Now when I look in "top", it shows that rc1 has 46% memory. The blockchain is allready updated.
 213 2013-02-14 06:45:27 <Jouke> The 7.2 instance I have running on the same vps uses 3.2% memory
 214 2013-02-14 06:46:02 <gmaxwell> I have no idea what that percent memory is. What is the RES size?
 215 2013-02-14 06:46:19 <Jouke> What is RES?
 216 2013-02-14 06:46:45 <Jouke> Mem:   4049692k total
 217 2013-02-14 06:46:49 <gmaxwell> The resident memory, it should be the sixth or seventh column in top.
 218 2013-02-14 06:47:36 <Jouke> 1.9g
 219 2013-02-14 06:48:22 <gmaxwell> thats interesting. Is there any unusual way that you're using bitcoin (and unusual RPC calls?)  how many connections do you have?
 220 2013-02-14 06:48:31 <gmaxwell> What is the VIRT? (usually the column before RES)
 221 2013-02-14 06:48:41 <Jouke> 25 connections
 222 2013-02-14 06:49:38 <Jouke> no rpc-calls (it is an empty wallet in front of a hot (7.1) wallet that is used a bit in the last hours)
 223 2013-02-14 06:50:00 <gmaxwell> And you are running the rc1 binaries from bitcoin.org?
 224 2013-02-14 06:50:06 <Jouke> VIRT: 3092m
 225 2013-02-14 06:50:09 <Jouke> gmaxwell: yes
 226 2013-02-14 06:50:17 <Jouke> the one gavin posted
 227 2013-02-14 06:50:19 <gmaxwell> has this been restarted since it initially synced?
 228 2013-02-14 06:50:24 <Jouke> no
 229 2013-02-14 06:50:51 <gmaxwell> are you giving it any interesting (non-default) commandline options or bitcoin.conf parameters?
 230 2013-02-14 06:51:47 <Jouke> in bitcoin.conf: rpcuser, rpcpassword,rpcport,maxconnections=1000 . No commandline options
 231 2013-02-14 06:52:53 <gmaxwell> maxconnections is inadvisable, you'll likely crash when you run out of file descriptors at 1024 unless you've taken extra measures, or get memory corruption if select ends up with more than 1024.
 232 2013-02-14 06:53:00 <gmaxwell> er maxconnections of 1000
 233 2013-02-14 06:53:06 <gmaxwell> But I doubt thats at all related.
 234 2013-02-14 06:53:19 <Jouke> yeah ok, but I usually only get 80 connections
 235 2013-02-14 06:53:37 <Jouke> at the moment it has 24 connections
 236 2013-02-14 06:53:41 <gmaxwell> I'm going to guess that if you restart it now the memory usage will go down and stay down... but that won't enlighten us as to the cause of the current bloat.
 237 2013-02-14 06:53:54 <gmaxwell> What OS version is this exactly? ubuntu what?
 238 2013-02-14 06:57:01 <Jouke> 12.4
 239 2013-02-14 06:57:38 <Jouke> 64 bit
 240 2013-02-14 06:58:20 <gmaxwell> and this was a fresh install of 0.8?
 241 2013-02-14 06:58:33 <Jouke> yes, removed the whole .bitcoin dirc
 242 2013-02-14 06:59:06 <gmaxwell> can you send me a copy of your debug.log? it won't have anything private in it except your IP and potentially your txnid if that node has made any. (gmaxwell@gmail.com)
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 244 2013-02-14 06:59:44 <gmaxwell> otherwise, for now I can just suggest restarting that node— and I strongly expect the memory usage will be normal and remain that way. Could you do that then watch it and see that I'm correct?
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 246 2013-02-14 07:09:19 <Jouke> Ok, I restarted the client and sent you the debug.log. Can you confirm you received it?
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 250 2013-02-14 07:18:46 <gmaxwell> Jouke: thanks. Got it.
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 286 2013-02-14 08:33:06 <mariusursache> I noticed something strange in the last couple of days. My minings/transactions on testnet have a really high number of confirmations. yesterday I had +100 confirmations in 1-2 hours. Do you think there is ASIC client running on testnet?
 287 2013-02-14 08:34:57 freewil has joined
 288 2013-02-14 08:37:20 <sipa> BlueMatt: pong
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 298 2013-02-14 09:05:07 <Jouke> gmaxwell: As said I have the 8 rc1 client to connect to other nodes and a 7.2 client that only connects to that 8rc1 client. I see in my 7.2 wallet that a transaction was first seen (created in that client) 4 hours before blockchain.info sees it. I am wondering if maybe the 8rc1-client took its time before sending the transaction onwards?
 299 2013-02-14 09:07:49 <Jouke> It was also only included in a block just three minutes after it was seen by blockchain.info, while I really expected it to be included way earlier.
 300 2013-02-14 09:08:11 <gmaxwell> Jouke: if your 8 node wasn't current when it first saw it, it might have tossed it.
 301 2013-02-14 09:08:35 <Jouke> Ah ok, so it waited before the 7.2 client rebroadcasted it?
 302 2013-02-14 09:15:28 valparaiso has quit (Quit: valparaiso)
 303 2013-02-14 09:18:04 <sipa> the 0.8rc1 also isn't aware it is your transaction, so it will not actively broadcast
 304 2013-02-14 09:20:33 <Jouke> Hmm, so I can expect this behaviour in the future?
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 306 2013-02-14 09:21:46 <Jouke> I was trying to fix this: https://bitcointalk.org/index.php?topic=135856.msg1447313#msg1447313
 307 2013-02-14 09:23:53 <Jouke> I have reason to believe that bitcoinaddresses may be checked against our wallet.
 308 2013-02-14 09:24:42 <sipa> yes, of course?
 309 2013-02-14 09:25:47 <Jouke> I was under the impression that a client broadcasts any inconming transactions as fast as possible.
 310 2013-02-14 09:26:01 <sipa> yes
 311 2013-02-14 09:26:11 <sipa> but only once
 312 2013-02-14 09:28:07 <Jouke> yes ok, but if I keep both clients synced up, I can expect my transactions that are only created with the 7.2 client to propagate the network quite fast.
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 314 2013-02-14 09:34:56 <sipa> sure
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 371 2013-02-14 12:34:41 <enferex> I am trying to read the blocks in blk00000.dat.  How is teh data stored?  I did not see it listed in the Protocol spec https://en.bitcoin.it/wiki/Protocol_specification.  I am loking at the source code for the client, and I see it locates a magic number first 0xf9, 0xbe, 0xb4, 0xd9.  Is this blk00000.dat format written up any where in teh docs?
 372 2013-02-14 12:36:49 <sipa> 4 byte magic + 4 byte length descriptor + serialized block in network format
 373 2013-02-14 12:36:56 <sipa> repeat
 374 2013-02-14 12:37:00 <enferex> sipa: kick ass!
 375 2013-02-14 12:37:02 <enferex> you rock
 376 2013-02-14 12:42:03 <Luke-Jr> enferex: note the magic codes are documented at https://en.bitcoin.it/wiki/Protocol_specification#Message_structure
 377 2013-02-14 12:42:27 <enferex> yup! thanks!
 378 2013-02-14 12:52:04 <enferex> sipa: [magic][size][block header][block] ... repeat blockhead + block
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 381 2013-02-14 13:00:28 <ciphermonk> it's a berkeleydb database
 382 2013-02-14 13:00:40 <ciphermonk> ( I think )
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 384 2013-02-14 13:04:23 <sipa> ciphermonk: it's not
 385 2013-02-14 13:04:40 <sipa> ciphermonk: block files are just a concatenation of blocks
 386 2013-02-14 13:04:54 <sipa> blkindex.dat and wallet.dat are berkeley databases
 387 2013-02-14 13:04:54 <enferex> with block headers?
 388 2013-02-14 13:04:58 <ciphermonk> the blk00000.dat is actually raw data?
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 390 2013-02-14 13:05:02 <sipa> ciphermonk: yes
 391 2013-02-14 13:05:18 <sipa> enferex: block headers are considered a part of blocks
 392 2013-02-14 13:05:27 <enferex> ok
 393 2013-02-14 13:05:28 <sipa> block = block header + transactions
 394 2013-02-14 13:05:40 <ciphermonk> oh cool, didn't know that, just assumed it was all berkeleydb
 395 2013-02-14 13:06:03 <enferex> I was refering to the blockheaders that are the result of teh getheaders command.
 396 2013-02-14 13:06:18 <sipa> enferex: yeah, those are the block headers + 0 byte
 397 2013-02-14 13:06:24 moarrr has joined
 398 2013-02-14 13:06:38 <enferex> ok
 399 2013-02-14 13:06:52 <enferex> thank you
 400 2013-02-14 13:08:21 <sipa> and block files are indeed [magic][size][block][magic][size][block]..., with block consisting of [blockheader][numtx][transaction][transaction]...
 401 2013-02-14 13:08:48 <enferex> ok cool
 402 2013-02-14 13:09:02 <ciphermonk> so the bitcoin client opens up a filehandle and appends block data directly into it?
 403 2013-02-14 13:10:01 <sipa> yes
 404 2013-02-14 13:10:29 <ciphermonk> is there a risk of data corruption if the client crashes in the middle of writing a block?
 405 2013-02-14 13:10:29 <sipa> as of 0.8, it pre-allocates and writes to specific positions rather than appending though
 406 2013-02-14 13:10:45 <ciphermonk> sorry if I'm asking silly questions, I didn't read that part of the code
 407 2013-02-14 13:10:50 <sipa> no, as the index entry for the block is only written after writing the block data to disk
 408 2013-02-14 13:10:56 <sipa> (and syncing it)
 409 2013-02-14 13:11:05 <sipa> except during IBD
 410 2013-02-14 13:11:16 <ciphermonk> ok good
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 439 2013-02-14 14:32:56 <Jouke> I am trying some things with php jsonRPCclient, and my 7.2 client gives this error: "Incorrect response id (request id: 1, response id: )", while the same request om 8rc1 doesn't result in an error.
 440 2013-02-14 14:35:49 <jaromil> guys, OT but askin in dev for comments from experienced ppl :^) I'm writing an academic article, non-technical, about the social progression of bitcoin and will have a draft ready in one or two days. I'd appreciate comments, criticism and suggestions from devs here before I send it for publishing. Is there people willing to receive it and comment on it? if yes, plz contact me in priv and send me your email address or stuff like that.
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 444 2013-02-14 14:48:17 <BlueMatt> sipa: what ever happened to the dnsseed hosted on the bitcoin foundation server?
 445 2013-02-14 14:48:56 <slush_web> gavinandresen: sipa: I'm working on BIP for seed mnemonic (compatible with BIP32). Can I ask for new BIP number?
 446 2013-02-14 14:49:51 <gavinandresen> slush_web : sure; gmaxwell is BIP editor
 447 2013-02-14 14:49:59 darkee has joined
 448 2013-02-14 14:50:05 <slush_web> gmaxwell: ^
 449 2013-02-14 14:50:50 <gavinandresen> (oh, gmaxwell:  I edited BIP 0001 to make you official Bitcoin BIP Numbering Authority a while ago)
 450 2013-02-14 14:50:59 <slush_web> loi
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 454 2013-02-14 14:54:36 <sipa> slush_web: did you ever see https://bitcointalk.org/index.php?topic=102349.0 ?
 455 2013-02-14 14:55:08 <sipa> slush_web: i never had the time to develop it further, but it resulted from a discussion with gmaxwell and etotheipi, though was decided not to be included in BIP32 itself
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 458 2013-02-14 14:55:39 <sipa> BlueMatt: never got around to set it up
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 463 2013-02-14 15:04:34 <slush_web> sipa: Basically we want to standardize "Electrum mnemonic" algorithm, so the way how to convert list of words to 128-bit binary. As I understand your thread, you're solving the next step of processing that binary.
 464 2013-02-14 15:05:57 <slush_web> sipa: oh, I now I see that javascript demo. I should re-read the propsal once again ;-)
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 468 2013-02-14 15:09:52 <eckey> is anyone knowledgeable with bitcoinj?
 469 2013-02-14 15:10:14 <slush_web_> sipa: your demo crashed my browser while trying 24bit strength :-)
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 474 2013-02-14 15:12:43 <sipa> slush_web_: it's a proposal for converting a textual string to a key, without the need for separately encoding a checksum or strength setting
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 476 2013-02-14 15:13:26 <Scrat> sipa: if I understand this correctly then hashing a cleartext with high strength will take a while
 477 2013-02-14 15:13:54 <Scrat> I mean the seed generation, not the verification
 478 2013-02-14 15:14:02 TD has joined
 479 2013-02-14 15:15:05 <ThomasV> sipa: nice idea
 480 2013-02-14 15:15:43 <ThomasV> if I understand it correctly, you're killing two birds with one stone here
 481 2013-02-14 15:16:14 <stick`> or rather killing all birds with a massive cannon :)
 482 2013-02-14 15:16:19 <sipa> lol
 483 2013-02-14 15:16:23 <TD> sipa has a massive cannon?
 484 2013-02-14 15:16:28 <TD> my word
 485 2013-02-14 15:16:51 <TD> hey there, are you the stick` doing the trezor?
 486 2013-02-14 15:17:36 <ThomasV> "Of course, I still hate brainwallets: I don't like the idea of users taking their Bitcoins to their own grave when they get hit by a bus, but so many people are so passionate about it, it's tough to ignore. "
 487 2013-02-14 15:17:36 <stick`> TD: hey, yep
 488 2013-02-14 15:17:36 <slush_web_> sipa: ThomasV: Are all that key stretching techniques really necessary? Is bruteforce attack by generating of 128bit seed really possible attack vector?
 489 2013-02-14 15:17:56 <TD> stick`: awesome. i'm so looking forward to buying my first.
 490 2013-02-14 15:18:05 <stick`> :))
 491 2013-02-14 15:18:19 <TD> ThomasV: or just forget ….
 492 2013-02-14 15:18:27 <slush_web_> Even these 100.000 iterations of sha256 in Electrum's seed generation looks like an overkill for me
 493 2013-02-14 15:18:27 <sipa> slush_web_: if the seed really has 128 bits of entropy, it's not feasible
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 495 2013-02-14 15:18:36 <TD> brainwallets == sadness. at least until somebody finds a great way for people to memorize private keys. probably by turning them into a story.
 496 2013-02-14 15:18:39 <ThomasV> I don't think the situation is different if a non-brainwallet user gets hit by a bus
 497 2013-02-14 15:19:02 ashams has quit (Remote host closed the connection)
 498 2013-02-14 15:19:09 <TD> ThomasV: that's true if they're encrypted, i guess
 499 2013-02-14 15:19:18 <sipa> slush_web_: but people may (and probably will) find ones to use a password to generate the seed
 500 2013-02-14 15:19:42 <sipa> so the ambition should be to make the path of least resistance secure enough
 501 2013-02-14 15:20:02 <slush_web_> sipa: when the seed is generated by the machine (which is recommended), then all these algorithms are unnecessary. And we cannot protect users from their own stupidity.
 502 2013-02-14 15:20:31 m00p has quit (Ping timeout: 252 seconds)
 503 2013-02-14 15:20:41 <sipa> slush_web_: agree
 504 2013-02-14 15:20:41 <TD> we can try :)
 505 2013-02-14 15:20:54 <slush_web_> sipa: I'm concerned mostly because these algorithms are too slow for embedded systems...
 506 2013-02-14 15:21:22 <Scrat> sipa: nvm. I just realized how stupid my remark was
 507 2013-02-14 15:21:24 <eckey> TD:  I'm in AbstractWalletEventListener().onCoinsSent(),trying to find the value.  I'm iterating through the TransactionInput objects.  For each I getOutpoint() I getHash(), which I'm assuming is the original transaction identifier.  Do I then go back to that transaction to get the value?
 508 2013-02-14 15:21:49 agricocb has quit (Quit: Leaving.)
 509 2013-02-14 15:22:21 <TD> eckey: hmm? onCoinsSent() already gives you the transaction that moved coins out of your wallet, along with the pre and post move balances.
 510 2013-02-14 15:22:27 <TD> eckey: what is it you're trying to do at a higher level?
 511 2013-02-14 15:23:11 <ThomasV> slush_web_: the key stretching in Electrum is probably useless for users who follow the normal path and let the machine generate the seed. but I thought it would not hurt to add it
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 513 2013-02-14 15:24:24 <sipa> i still haven't heard anything from hal regarding bip32
 514 2013-02-14 15:24:31 <TD> sipa: you know hal is sick, right?
 515 2013-02-14 15:24:35 <sipa> yes
 516 2013-02-14 15:24:42 <TD> i worry that he may not be in a good state to respond :(
 517 2013-02-14 15:24:49 <ThomasV> slush_web_: note that I also implemented the current version of BIP32, although it is not activated for the moment
 518 2013-02-14 15:24:51 <TD> sipa: did you ever talk to emilia?
 519 2013-02-14 15:25:06 <sipa> TD: that's why i don't feel like mailing him again
 520 2013-02-14 15:25:11 <sipa> TD: no, not yet
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 522 2013-02-14 15:25:52 <TD> it's definitely worth talking to her and adam langley
 523 2013-02-14 15:26:03 <TD> CC me on the thread if/when you do so
 524 2013-02-14 15:26:25 <slush_web_> sipa: ThomasV: Current draft of BIP32 is supposed to be final?
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 526 2013-02-14 15:27:08 <ThomasV> no, it is not final afaik
 527 2013-02-14 15:27:27 <ThomasV> they are waiting for feedback from experts
 528 2013-02-14 15:27:37 <slush_web_> ThomasV: hal?
 529 2013-02-14 15:27:49 <ThomasV> idk, ask sipa
 530 2013-02-14 15:27:49 <sipa> we should ask some other people too
 531 2013-02-14 15:28:24 <TD> i think asking emilia and adam is enough
 532 2013-02-14 15:28:36 <TD> heck, email koblitz himself, why not? :)
 533 2013-02-14 15:28:55 <eckey> TD: I'm trying to manage "sub" wallets in the main wallet.  I need to follow coins received and coins spent on an individual BTC address basis.
 534 2013-02-14 15:30:09 <TD> eckey: so you're trying to handle transactions that could potentially send/receive from multiple sub-wallets in one transaction?
 535 2013-02-14 15:30:24 <TD> i know we discussed this before, but what's the reason for not just using multiple Wallet objects again?
 536 2013-02-14 15:30:26 <eckey> TD yes
 537 2013-02-14 15:30:28 <TD> i forgot
 538 2013-02-14 15:31:36 <TD> well, in SPV mode you can't actually know the value of the transactions inputs individually. you don't have that data. in full verification mode, i don't remember if you have access at that point, or if the connected outputs may have already been pruned away. it's a bit dangerous to rely on the ordering there, as it's not guaranteed.
 539 2013-02-14 15:33:25 <Jouke> I am testing a server with multiple wallets at the moment :)
 540 2013-02-14 15:33:26 <TD> sipa: why not do it now? more input can't possibly hurt
 541 2013-02-14 15:33:28 m00p has joined
 542 2013-02-14 15:34:37 <Jouke> TD: maybe you mistake ekey with me?
 543 2013-02-14 15:34:57 <TD> Jouke: no, i was talking to eckey.
 544 2013-02-14 15:35:13 <TD> i think he previously explained why he wants to do this sub-wallet thing, but i lost track of it and now can't remember.
 545 2013-02-14 15:35:24 <TD> some missing feature in the library, no doubt
 546 2013-02-14 15:35:25 <Jouke> (I posted on the bitcoinj mailing list about that)
 547 2013-02-14 15:35:37 <Jouke> a while back
 548 2013-02-14 15:35:40 <TD> ah, ok
 549 2013-02-14 15:35:52 <TD> it's a bit hard for me to keep track of all the users and their IRC nicks these days, which i suppose is a good problem to have :)
 550 2013-02-14 15:36:22 <TD> i wish i had time to bring the GCJ/CNI branch up to speed. bitcoinj is turning into quite a widely used API, and [objective] C++ access would go a long way to completing that
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 579 2013-02-14 16:49:18 <RedNifre> Hey there!
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 582 2013-02-14 16:50:59 <RedNifre> I haven't looked into the details of the default bitcoin client, but is it possible to run it entirely from the command line? I'm asking because I wonder if it's feasable to have it run on a server (updating the block chain all the time) and simply use ssh from my smartphone whenever I want to deal with bitcoins.
 583 2013-02-14 16:51:20 <RedNifre> (Since I don't want to download the block chain on my smartphone and using third party servers kinda defeats the purpose of bitcoin)
 584 2013-02-14 16:52:14 <andytoshi> RedNifre: sure, just run bitcoind
 585 2013-02-14 16:54:12 <andytoshi> if you download the source tar.gz, or grab the git repo, then compile like normal, that's what you'll wind up with
 586 2013-02-14 16:54:13 <RedNifre> THanks, I'll look into that.
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 590 2013-02-14 17:04:31 <muhoo> TD: pin
 591 2013-02-14 17:04:35 <muhoo> heh ping
 592 2013-02-14 17:05:20 <TD> hi
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 597 2013-02-14 17:10:04 <muhoo> TD: hi, i have let my bitoinj project be dormant for a while, but want to pick it up again. i was thinking of subclassing Wallet and using a DB back-end
 598 2013-02-14 17:10:15 <muhoo> this is for a store
 599 2013-02-14 17:11:04 <muhoo> and i can't see duplicating so much of the functionality of a wallet in callbacks etc, after thinking about it, i realized that the store pretty much is a wallet, and all the wallet callbacks are more or less what i need
 600 2013-02-14 17:11:13 t7 has quit (Quit: Leaving)
 601 2013-02-14 17:11:19 <muhoo> TD: my question then would be, would you consider this to be .... evil?
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 607 2013-02-14 17:16:42 <TD> muhoo: it's open source, do what you want
 608 2013-02-14 17:16:57 <TD> muhoo: i never figured out the right way to make wallet support database backends. i think it'll require some pretty fundamental refactorings
 609 2013-02-14 17:17:03 <muhoo> heh, that's a very diplomatic answer ;)
 610 2013-02-14 17:17:26 <TD> muhoo: the slower but better way would be to figure out a sensible design that makes both file and db backends work cleanly and then submit a series of patches for review that does it
 611 2013-02-14 17:17:44 <muhoo> i'm hoping to avoid touching any other class. that may be wishful thinking.
 612 2013-02-14 17:17:55 <TD> subclassing the wallet might do what you want, but you'd have to copy/paste some code anyway and then when you rebase you're likely to end up with weird bugs and data corruptions caused by not keeping up. so i'd just fork the library and apply your changes on top using git
 613 2013-02-14 17:18:03 <TD> that way you know it's always merged properly
 614 2013-02-14 17:18:37 <muhoo> i'd be OK with doing that, but forks make me sad
 615 2013-02-14 17:18:58 <TD> so find a way to merge your fork back upstream :)
 616 2013-02-14 17:19:21 agricocb has quit (Quit: Leaving.)
 617 2013-02-14 17:19:28 <TD> you can't really do this without forking. see what satoshidice had to do
 618 2013-02-14 17:19:33 <TD> the changes required are just too fundamental
 619 2013-02-14 17:19:48 <TD> the existing wallet just maintains in-memory data structures. persistence is literally "read those structures and write them to a file"
 620 2013-02-14 17:20:06 <TD> for a database you need to rebuild the wallet to be based on sending transactions to a separated wallet store.
 621 2013-02-14 17:20:12 <muhoo> hmm. right it gets protobuffed, IIRC
 622 2013-02-14 17:20:35 <TD> right. that store can then maintain the in-memory transactions and save to a file, to match the old code, or it can convert the transactions into SQL transactions or whatever
 623 2013-02-14 17:21:11 freakazoid has quit (Ping timeout: 260 seconds)
 624 2013-02-14 17:21:27 <muhoo> and then it needs to generate transactions too, in order to send the coins off-server to the merchants
 625 2013-02-14 17:21:45 <muhoo> so at that point, i realized what i had was a wallet
 626 2013-02-14 17:22:15 <muhoo> i'll have to play with it some more then. i really would like to avoid having to maintain a fork.
 627 2013-02-14 17:23:28 <muhoo> TD: thanks for writing bitcoinj, and for your help
 628 2013-02-14 17:24:10 <TD> np
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 635 2013-02-14 17:53:42 <jgarzik> ASICMINER is online, it seems
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 644 2013-02-14 18:13:10 <muhoo> the 800GH one? yikes.
 645 2013-02-14 18:13:52 emryss has joined
 646 2013-02-14 18:14:28 <TD> muhoo: 1.5THash
 647 2013-02-14 18:14:38 <TD> muhoo: look at btcguild.com and click hall of fame
 648 2013-02-14 18:14:40 <muhoo> jeezus fuck
 649 2013-02-14 18:14:51 * TD shrugs
 650 2013-02-14 18:14:52 axhlf has joined
 651 2013-02-14 18:15:02 <TD> we're still a long way from the days when ArtForz had a third of the network power
 652 2013-02-14 18:16:37 * HM pulls the shoebox from under his bed and resumes tinkering with his quantum supercomputer
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 658 2013-02-14 18:27:59 <TD> gavinandresen: so you're going to be ticking more todo list items off payment protocol in the next couple of weeks?
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 665 2013-02-14 18:37:48 <Tatsuya> hey - a bit of a noob, here sorry. Is it possible / can someone explain to me how to connect to testnet3 using bitcoin-qt from the command line? I'm having a hard time finding documentation on this
 666 2013-02-14 18:37:59 axhlf has joined
 667 2013-02-14 18:39:50 <ProfMac> Sometimes I wonder if many log files in a unix environment could be moved to mySQL.  In the bitcoin context, that might mean moving the debug.log entries that contain the line 'version message' to a mySQL intereaction instead.  What are some of the reasons to avoid doing this?
 668 2013-02-14 18:40:48 <tcatm> ProfMac: You might want to look at systemd's journal.
 669 2013-02-14 18:42:27 zooko` is now known as zooko
 670 2013-02-14 18:43:22 <ProfMac> tcatm, ok.  Google (bitcoin systemd journa) didn't help much.  Can you give me a pointer?
 671 2013-02-14 18:43:55 <tcatm> It's a syslog replacement with some nice features.
 672 2013-02-14 18:43:55 Zarutian has quit (Quit: Zarutian)
 673 2013-02-14 18:47:09 <gmaxwell> Tatsuya: -testnet=1
 674 2013-02-14 18:49:30 <Tatsuya> aha, thanks gmaxwell. For future reference, is that flag documented anywhere?
 675 2013-02-14 18:49:58 nus has joined
 676 2013-02-14 18:50:58 <Scrat> Tatsuya: https://en.bitcoin.it/wiki/Running_Bitcoin#Command-line_arguments
 677 2013-02-14 18:51:50 <Tatsuya> oh, thanks Scrat. I see, I was looking at the API calls list
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 682 2013-02-14 19:04:05 <muhoo> wow, satoshidice is like the farmville of bitcoin
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 684 2013-02-14 19:08:22 <muhoo> tcatm: actually, systemd is more like a replacement for init
 685 2013-02-14 19:09:20 <muhoo> if all ProfMac  wants is to keep a database of logs, switching from sysv init to systemd might be a bit.... disruptive
 686 2013-02-14 19:10:00 Mobius_ has joined
 687 2013-02-14 19:10:16 <sipa> muhoo: how do you mean (re: farmville of bitcoin)?
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 690 2013-02-14 19:11:33 <muhoo> sipa: meaning most of the traffic appears to be that :-)
 691 2013-02-14 19:11:53 <helo> causes a massive spike in popularity, followed by exodus and widespread annoyance
 692 2013-02-14 19:11:58 MobiusL has quit (Ping timeout: 276 seconds)
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 695 2013-02-14 19:12:09 <muhoo> i only log into FB every few months or so, and almost all of what i see is farmville or mafia wars or the like
 696 2013-02-14 19:17:08 <sipa> muhoo: either i hace a different group of friends, or i happen to have blocked most of that stuff, but i haven't seen any farmville stuff for many months i think
 697 2013-02-14 19:17:27 <sipa> or maybe i've just inconsciously learned to ignore it
 698 2013-02-14 19:17:29 <muhoo> heh, maybe it's been that long since i logged in.
 699 2013-02-14 19:18:00 <muhoo> and, my friends don't do that shit. my facebook "friends"-- most of whom are people i haven't seen or talked to in 20-30 years, do.
 700 2013-02-14 19:18:15 <BCB> what is the cmd to check if an bitcoin address exists in my wallet?
 701 2013-02-14 19:18:49 <muhoo> BCB: from memory, listaddressesbyaccount?
 702 2013-02-14 19:19:02 <muhoo> or getaddressesbyacccount icanneverrememberthosenames
 703 2013-02-14 19:19:04 <BCB> muhoo: what if i don't know the account
 704 2013-02-14 19:19:14 <muhoo> i iterate through all the accounts
 705 2013-02-14 19:19:22 <BCB> muhoo: that's annoying
 706 2013-02-14 19:19:31 <muhoo> well, i don't iterate, i map/reduce, but same result :-)
 707 2013-02-14 19:20:24 <BCB> mhuoo: how
 708 2013-02-14 19:22:16 toffoo has quit ()
 709 2013-02-14 19:23:01 <BCB> muhoo: how do I iterate on the cmd line
 710 2013-02-14 19:23:33 <muhoo> write a bash script. or, use some other language, and access the JSON API that way (which is what i do)
 711 2013-02-14 19:23:41 kuzetsa has quit (Quit: Stop doing that it. You don't want it to fall off.)
 712 2013-02-14 19:24:31 <sipa> BCB: validateaddress
 713 2013-02-14 19:24:37 <helo> woah. reading satoshi dice use case in https://gist.github.com/gavinandresen/4120476 indicates massive awesomeness in the payment protocol :D
 714 2013-02-14 19:25:34 <BCB> sipa looking for an address that exists in my wallet
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 717 2013-02-14 19:25:58 andytoshi has joined
 718 2013-02-14 19:26:17 <sipa> BCB: i don't think you can list all addresses in a wallet
 719 2013-02-14 19:26:17 <BCB> muhoo: I'm using JRPC to access with which i'm familar.  I'm looking to do this down and dirty on the cmd line
 720 2013-02-14 19:26:25 <BCB> sipa: boo
 721 2013-02-14 19:26:34 <sipa> you can check whether a given address is in it though
 722 2013-02-14 19:26:41 <BCB> how do I list ALL of my transactions regardles of account
 723 2013-02-14 19:26:43 <BCB> ??
 724 2013-02-14 19:26:49 <BCB> sipa: how
 725 2013-02-14 19:26:58 <helo> listtransactions
 726 2013-02-14 19:27:02 <sipa> listtransactions will list all transactions
 727 2013-02-14 19:27:21 [ken] has joined
 728 2013-02-14 19:27:24 <sipa> validateaddress will tell you (among other things) whether an address is in the wallet
 729 2013-02-14 19:27:29 * helo commends the person that came up with that name
 730 2013-02-14 19:27:42 <muhoo> BCB: https://en.bitcoin.it/wiki/API_reference_%28JSON-RPC%29
 731 2013-02-14 19:27:43 <sipa> satoshi, i suppose
 732 2013-02-14 19:27:50 <muhoo> BCB: https://en.bitcoin.it/wiki/Elis-API
 733 2013-02-14 19:27:57 <helo> s/person/extraterrestrial/
 734 2013-02-14 19:28:01 <muhoo> BCB: https://en.bitcoin.it/wiki/Original_Bitcoin_client/API_Calls_list
 735 2013-02-14 19:28:34 <muhoo> thenamingoffunctionsinthebitcoinjsonapiisunfortunate
 736 2013-02-14 19:28:39 <BCB> sipa but only 100
 737 2013-02-14 19:28:42 <BCB> I have thousands
 738 2013-02-14 19:28:50 <sipa> use a higher limit
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 740 2013-02-14 19:29:13 <BCB> sipa can you post and example.  I can't get it o return anything
 741 2013-02-14 19:29:31 <BCB> muhoo: ihavetosaythatiagreeiwthyouverymuch
 742 2013-02-14 19:29:40 <andytoshi> how hard would it be to patch in a "list all addresses" API call
 743 2013-02-14 19:29:56 <andytoshi> maybe we should have a patch for developers who need it
 744 2013-02-14 19:30:08 <sipa> andytoshi: very easy
 745 2013-02-14 19:30:44 <gmaxwell> andytoshi: do you mean something that would expose the keypool? that would be bad because it would instantly invalidate backups…
 746 2013-02-14 19:30:46 <sipa> bcb: ./bitcoind help listtransactions
 747 2013-02-14 19:31:00 <andytoshi> gmaxwell: that's right, we wouldn't put it in the main tree
 748 2013-02-14 19:31:14 <andytoshi> just give a link for "i'm trying to do something awful with my own code" people
 749 2013-02-14 19:31:18 <sipa> gmaxwell: not being able to list used change address is a shortcoming right now though
 750 2013-02-14 19:31:24 <muhoo> why would it invalidate backups?
 751 2013-02-14 19:31:42 <andytoshi> muhoo: because whenever you do pretty-much anything, a new address is generated
 752 2013-02-14 19:31:47 <sipa> muhoo: not being able to know future addresses is essential for backups
 753 2013-02-14 19:32:08 <sipa> muhoo: otherwise they may be used without them being marked as such
 754 2013-02-14 19:32:56 <gmaxwell> sipa: Agreed on change addresses.
 755 2013-02-14 19:35:54 <gavinandresen> andytoshi : listaddressgroupings might give you what you are looking for
 756 2013-02-14 19:36:01 <gavinandresen> … depending on what you're looking for
 757 2013-02-14 19:36:07 xorgate has quit (Quit: Take it easy)
 758 2013-02-14 19:36:30 <BCB> sipa: listtransactions asks for an account - I want all transactions in all accounts
 759 2013-02-14 19:36:58 <gavinandresen> listtransactions '*' 99999
 760 2013-02-14 19:38:08 <discrete> ;;ticker
 761 2013-02-14 19:38:09 <gribble> BTCUSD ticker | Best bid: 26.46986, Best ask: 26.46999, Bid-ask spread: 0.00013, Last trade: 26.46986, 24 hour volume: 143560.16996625, 24 hour low: 21.72100, 24 hour high: 26.67000, 24 hour vwap: 25.04641
 762 2013-02-14 19:38:14 <BCB> gavinandresen: you are a genius
 763 2013-02-14 19:38:17 xorgate has joined
 764 2013-02-14 19:38:22 <BCB> I've been looking for that for months!
 765 2013-02-14 19:38:25 <Luke-Jr> lol
 766 2013-02-14 19:38:36 <gmaxwell> ... but thats how you're supposed to use it.
 767 2013-02-14 19:38:40 <sipa> ;;genrate 2000000
 768 2013-02-14 19:38:41 <BCB> That's why the pay him the big bucks
 769 2013-02-14 19:38:41 <gribble> The expected generation output, at 2000000.0 Mhps, given difficulty of 3275464.58657, is 307.074922131 BTC per day and 12.7947884221 BTC per hour.
 770 2013-02-14 19:38:49 <BCB> and he's a nice guy to boot
 771 2013-02-14 19:38:56 * gmaxwell ponders what docs need to be updated.
 772 2013-02-14 19:39:56 <BCB> gavinandresen: it works!  so simple
 773 2013-02-14 19:40:12 <gavinandresen> Easy When You Know How(™)
 774 2013-02-14 19:41:00 tigger0 has joined
 775 2013-02-14 19:41:13 <tigger0> yo what up
 776 2013-02-14 19:41:14 * gavinandresen wonders if Colloquy knows about copyright, too:  © <-- ohh, shiny!
 777 2013-02-14 19:41:15 <tigger0> when my friend runs dumpprivkey <address> it returns
 778 2013-02-14 19:41:21 <Happzz> where do i complain about the inflation?
 779 2013-02-14 19:41:21 <tigger0> Safe mode: Warning: Displayed transactions may not be correct! You may need to upgrade, or other nodes may need to upgrade. (code -2)
 780 2013-02-14 19:41:26 <tigger0> the address is in his client
 781 2013-02-14 19:41:30 <tigger0> he's on 0.8 rc1
 782 2013-02-14 19:42:48 jdnavarro has joined
 783 2013-02-14 19:43:27 <sipa> hmm, that's the first case of a safe mode triggered in 0.8 i know of
 784 2013-02-14 19:43:28 <gavinandresen> hmm… dumpprivkey should be allowed in safe mode, I think.  He's in safe mode because his idea of the blockchain doesn't match the rest of the network's for some reason
 785 2013-02-14 19:44:22 <gavinandresen> tigger0: workaround: re-run bitcoind or bitcoin-qt with the -disablesafemode switch
 786 2013-02-14 19:44:27 <tigger0> ok
 787 2013-02-14 19:45:23 <gavinandresen> tigger0: … but he shouldn't send any coins until he fixes whatever problem is putting him into safe mode
 788 2013-02-14 19:45:34 m00p has quit (Ping timeout: 264 seconds)
 789 2013-02-14 19:45:39 <tigger0> ok
 790 2013-02-14 19:46:40 <andytoshi> gavinandresen: if i post a patch to enable dumpprivkey in safe mode, will that be pulled? or is it probably not worth the trouble?
 791 2013-02-14 19:46:56 D34TH has joined
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 794 2013-02-14 19:47:21 <gavinandresen> andytoshi: it'd probably be pulled, it'd definitely be safe and I can't think of a reason to disallow it.
 795 2013-02-14 19:47:51 <gmaxwell> yea, that should be allowed: dumping out private keys might be how you're going to recover from a totally goofed client
 796 2013-02-14 19:48:00 <Luke-Jr> might make sense to go over all the other RPCs added in the last year or two as well
 797 2013-02-14 19:48:22 <Luke-Jr> might be wise to fix the deadlock on GBT too
 798 2013-02-14 19:48:26 zooko has left ("#tahoe-lafs")
 799 2013-02-14 19:48:34 <andytoshi> coolio, i'll post an initial pull request to give somewhere to discuss other rpcs
 800 2013-02-14 19:48:47 <Luke-Jr> (IIRC, we drop into safe mode if no new block in <N> minutes, which then disables GBT making finding blocks impossible)
 801 2013-02-14 19:49:18 <gavinandresen> Luke-Jr: is there an issue on that?
 802 2013-02-14 19:50:05 <gmaxwell> 0_o
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 805 2013-02-14 19:51:10 <Luke-Jr> gavinandresen: not sure; it probably needs discussion, since -disablesafemode might be more appropriate for dealing with it should it ever occur
 806 2013-02-14 19:51:24 <tigger0> ok works with -disablesafemode thanks
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 808 2013-02-14 19:52:29 <Luke-Jr> gavinandresen: I only know about it because I ran into it in testnet-in-a-box - IIRC, the chance of it happening on mainnet is extremely unlikely, and it may very well be better to alert miners to a problem if it seems to
 809 2013-02-14 19:52:46 <Luke-Jr> gotta pick up kids from school tho, bbiab
 810 2013-02-14 19:53:13 <Guest9274> hello
 811 2013-02-14 19:53:37 swappermall has joined
 812 2013-02-14 19:53:42 <Guest9274> Luke-Jr can you direct me to a link where i can find the code to have prices show up in bit coin as well as USD
 813 2013-02-14 19:53:46 <gmaxwell> [OT] some folks here may find this interesting: https://password-hashing.net/
 814 2013-02-14 19:54:17 grau has joined
 815 2013-02-14 19:54:24 <Guest9274> or gmaxwell
 816 2013-02-14 19:54:28 FredEE has quit (Quit: FredEE)
 817 2013-02-14 19:54:55 FredEE has joined
 818 2013-02-14 19:55:32 <gmaxwell> Guest9274: I'm not sure what you're talking about.
 819 2013-02-14 19:55:41 <tigger0> he wants exchange rate in his client lol
 820 2013-02-14 19:55:55 <Guest9274> yes
 821 2013-02-14 19:56:00 <tigger0> why not just go to mtgox.com
 822 2013-02-14 19:56:09 <Guest9274> so the customer can see the price both in BTC and USD
 823 2013-02-14 19:56:18 <gmaxwell> Customer? price?
 824 2013-02-14 19:56:19 <sipa> 2013-02-14 12:16:52 - Connect 685 transactions: 3043.89ms (4.444ms/tx, 2.715ms/txin)
 825 2013-02-14 19:56:22 <sipa> 2013-02-14 12:16:52 - Verify 1121 txins: 3161.93ms (2.821ms/txin)
 826 2013-02-14 19:56:24 <sipa> 2013-02-14 12:16:52 - Connect: 14622.80ms
 827 2013-02-14 19:56:24 <Guest9274> tigger0 no it's for my store i'm doing
 828 2013-02-14 19:56:29 <sipa> :o
 829 2013-02-14 19:56:50 <gavinandresen> gmaxwell: I'll be interested  in the password hashing stuff in Q3 2014 when they select the finalists….
 830 2013-02-14 19:57:09 <gmaxwell> Guest9274: mtgox has an API— though using raw quotes may have unexpected results— current prices may not have much to do with prices available to you later.
 831 2013-02-14 19:57:25 <Guest9274> ok
 832 2013-02-14 19:57:44 <gmaxwell> (I assume other exchanges have APIs too)
 833 2013-02-14 19:57:50 testnode9 has quit (Ping timeout: 276 seconds)
 834 2013-02-14 19:58:51 * gavinandresen is still tempted to put a 24-hour-volume-weighted-multi-exchange-price into the blockchain once an hour....
 835 2013-02-14 19:59:03 m00p has joined
 836 2013-02-14 19:59:25 <gmaxwell> uh. because that needs to be preserved for all time. Good job.
 837 2013-02-14 19:59:31 <gmaxwell> :-/
 838 2013-02-14 19:59:50 <helo> lol
 839 2013-02-14 20:00:00 <jgarzik> I'm sure you're aware of methods to make transactions provably prunable
 840 2013-02-14 20:00:17 <sipa> i have no clue why that exchange data needs to be in the blockchain?
 841 2013-02-14 20:00:22 <gmaxwell> jgarzik: Uh. I'm sure you're aware that this doesn't actually prevent having to keep the data forever.
 842 2013-02-14 20:00:25 <gavinandresen> I just think it'd be cool.
 843 2013-02-14 20:00:37 <gmaxwell> jgarzik: it just gets it out of the working set.
 844 2013-02-14 20:00:43 <sipa> 'cool' like having prayers and obituaries there?
 845 2013-02-14 20:01:04 <gavinandresen> I'd create a vanity address for it, then once a (hour/day/week/whatever) send exactly $1 worth of BTC to it.
 846 2013-02-14 20:01:14 <gavinandresen> … and empty it (so is pruned) regularly.
 847 2013-02-14 20:01:30 <sipa> how about posting it to twitter instead?
 848 2013-02-14 20:01:51 <sipa> or an rss feed
 849 2013-02-14 20:01:58 <gavinandresen> Transmitting it over the network as a transaction means less code to write if you want to keep track of the price.
 850 2013-02-14 20:02:20 <sipa> i'm sure people are able to write code to fetch a url
 851 2013-02-14 20:02:34 <gavinandresen> ok, ok….  I didn't say I was actually going to do it
 852 2013-02-14 20:02:55 <gmaxwell> gavinandresen: I'd suggest just making nlocktimed transactions for the infinite future.... except....
 853 2013-02-14 20:03:20 <gavinandresen> oooh!  we could do futures pricing in the chain….
 854 2013-02-14 20:03:25 <gmaxwell> but really, even locked transactions... flodding gavin's moderately interesting quote of the day doesn't scale unless it were just limited to gavin.
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 859 2013-02-14 20:05:14 <gavinandresen> "Where can I find historical bitcoin prices?"  "Just look at this address in blockexplorer.com or any other blockchain address viewer…."   Gotta admit that'd be cool.....
 860 2013-02-14 20:05:33 <andytoshi> should listaddressgroupings also be allowed in safe mode?
 861 2013-02-14 20:05:37 <andytoshi> it's hard to test without it :P
 862 2013-02-14 20:05:52 <discrete> ;;buy 10
 863 2013-02-14 20:05:52 <gribble> (buy [--long] <amount> <thing> [at|@] <priceperunit> <otherthing> [<notes>]) -- Logs a buy order for <amount> units of <thing>, at a price of <price> per unit, in units of <otherthing>. Use the optional <notes> field to put in any special notes. <price> may include an arithmetical expression, and {mtgox(ask|bid|last)} to index price to mtgox ask, bid, or last price. May also include (1 more message)
 864 2013-02-14 20:06:19 <gmaxwell> gavinandresen: Where can I find historical bitcoin prices? Just look at this address in blockchain.info ... http://blockchain.info/charts/market-price
 865 2013-02-14 20:07:06 <gmaxwell> :P
 866 2013-02-14 20:07:56 <gavinandresen> gmaxwell: mmm.  Actually, I've repeatedly looked for historical prices going all the way back to when bitcoinmarket.com first started trading, and have a hard time finding them.
 867 2013-02-14 20:08:52 freakazoid_ has joined
 868 2013-02-14 20:10:10 <gmaxwell> gavinandresen: though for most uses you're going to want more frequent/detailed quotes than weekly volume-weighed-last or what have you.
 869 2013-02-14 20:10:38 <gmaxwell> Having some "Bitcoin archivist project" would be a good thing to have... something collecting all this data.
 870 2013-02-14 20:10:40 * helo likes this volume-weighted idea
 871 2013-02-14 20:11:32 <gmaxwell> esp since bitcoin sites are so volatile...
 872 2013-02-14 20:11:34 <gavinandresen> Yes.  If anybody is listening:  I can dig out a spreadsheet I've got that has all of the earliest trades from bitcoinmarket.com
 873 2013-02-14 20:11:35 <helo> i only ever see bid/ask/last
 874 2013-02-14 20:11:52 jdnavarro has quit (Remote host closed the connection)
 875 2013-02-14 20:12:18 <gmaxwell> helo: huh? everything gives a volumed weighed too.
 876 2013-02-14 20:12:20 <gmaxwell> ;;ticker
 877 2013-02-14 20:12:21 <gribble> BTCUSD ticker | Best bid: 26.80000, Best ask: 26.90941, Bid-ask spread: 0.10941, Last trade: 26.95000, 24 hour volume: 146303.35982553, 24 hour low: 21.72100, 24 hour high: 26.95000, 24 hour vwap: 25.09208
 878 2013-02-14 20:12:30 <gmaxwell> Last datum.
 879 2013-02-14 20:12:39 <gmaxwell> 25.09208
 880 2013-02-14 20:12:50 <gavinandresen> is gribble's ticker multi-exchange, or just Mt. Gox ?
 881 2013-02-14 20:13:26 <gavinandresen> (and geepers creepers, almost $27 today?)
 882 2013-02-14 20:13:41 <gmaxwell> I believe it's just mtgox.  The value of multi-exchange is debatable even when volume weighed though..
 883 2013-02-14 20:14:21 <helo> ahh, good to know
 884 2013-02-14 20:14:35 <gmaxwell> E.g. I find some included but dead exchange with no users... I now do a bizillion back and forth trades at $10000/btc and distort the prices. Means are sensitive to outliers. :)
 885 2013-02-14 20:14:51 <gavinandresen> I just assume that mt. gox will eventually be surpassed by some other exchange, although I don't know nuthin about currency exchange markets and how concentrated the big players tend to be
 886 2013-02-14 20:14:53 <sipa> mtgox' volume is really high though
 887 2013-02-14 20:15:16 <helo> well under a bizillion though
 888 2013-02-14 20:15:24 <gmaxwell> sipa: yea. but if I'm the only party on the exchange I can trade at $10,000 for hours, at whatever speed the api will take.
 889 2013-02-14 20:15:37 <gmaxwell> Volume doesn't by itself imply efficiency.
 890 2013-02-14 20:15:57 <sipa> i'm more referring to popularity than efficiency
 891 2013-02-14 20:16:04 <gmaxwell> oh sure.
 892 2013-02-14 20:16:24 <sipa> i remember that a month ago i was surprised to see mtgox back a $1M/day
 893 2013-02-14 20:16:29 <sipa> but now it's far above that
 894 2013-02-14 20:16:33 <gavinandresen> trimming outliers would definitely be a Good Idea, given that exchange feed regularly have nasty bugs reporting bogus prices
 895 2013-02-14 20:17:01 dust-otc has joined
 896 2013-02-14 20:17:09 testnode9 has joined
 897 2013-02-14 20:19:30 <sipa> ;;bc,blocks
 898 2013-02-14 20:19:41 <gmaxwell> sipa: I'd almost suggest explicitly distorting your progress bar to make sure it gets faster at the end. :P
 899 2013-02-14 20:19:59 <gribble> 221170
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 901 2013-02-14 20:20:51 <sipa> gmaxwell: in practice, my largest own (psychological...) problem with it, is that it's so slow in the beginning (even if doing thousands of blocks/s) compared to what i'm used to, that it seems stcuk
 902 2013-02-14 20:21:22 dust-otc has quit (Ping timeout: 252 seconds)
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 904 2013-02-14 20:22:00 <sipa> perhaps i shouldn't be measuring/estimating nTransactions, but nTransactions+5*nBlocks or so
 905 2013-02-14 20:22:04 <gmaxwell> sipa: from a UI perspective the QT client could probably benefit from some 'hollywood' features. some progress display that had rapidly moving meaningless numbers.
 906 2013-02-14 20:22:06 <sipa> as blocks have some constant overhead
 907 2013-02-14 20:22:34 <sipa> gmaxwell: if you know some hollywood programmers...
 908 2013-02-14 20:22:54 <gmaxwell> E.g. even something as simple as a 'Best block: 000000....DEADBEEF'
 909 2013-02-14 20:23:23 <gmaxwell> then it wouldn't look stuck at least.
 910 2013-02-14 20:24:01 <sipa> actually
 911 2013-02-14 20:24:10 stalled has joined
 912 2013-02-14 20:24:29 <sipa> just a field somewhere in the bottom bar saying "Last block#: 197324", updated once a second, would be great
 913 2013-02-14 20:25:13 <gmaxwell> "What block are you on?" ... "no no leave the mouse still" "just don't touch it" "die die die"  (snippits of me providing tech support on IRC)
 914 2013-02-14 20:26:31 <sipa> when i was doing the benchmark, i couldn't believe that the last checkpoint corresponded to only 30% progress
 915 2013-02-14 20:26:40 <sipa> but looking at the resulting graph, it's remarkably accurate
 916 2013-02-14 20:27:24 Guest9274 is now known as MobGod
 917 2013-02-14 20:27:31 <sipa> andytoshi: are you dutch?
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 922 2013-02-14 20:27:40 rbecker is now known as RBecker
 923 2013-02-14 20:28:01 <andytoshi> sipa: yes, 1/4
 924 2013-02-14 20:28:02 <gavinandresen> gmaxwell: ascii strings from coinbase transactions displayed during IBD… could be a new revenue source for miners....
 925 2013-02-14 20:28:06 <andytoshi> and 100% of my name :P
 926 2013-02-14 20:28:33 <sipa> andytoshi: yes, i noticed :)
 927 2013-02-14 20:29:07 <Luke-Jr> gavinandresen: lol, do it ;)
 928 2013-02-14 20:29:23 <gmaxwell> gavinandresen: there should be a bitcoin screensaver.
 929 2013-02-14 20:30:41 <gmaxwell> something that displays transaction dependencies like gitk history (https://people.xiph.org/~greg/ss-gitk.png)  and coinbases and varrious stats.
 930 2013-02-14 20:30:49 <gavinandresen> bah, too many interesting ideas.  I think next week I should turn off IRC and just write code.
 931 2013-02-14 20:31:39 <gmaxwell> "Of course I run a full node— how else can you get the awesome screensaver"
 932 2013-02-14 20:32:26 <Luke-Jr> gmaxwell: hmm :>
 933 2013-02-14 20:32:42 <andytoshi> yeah, that's probably a much better idea than you intended it..
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 935 2013-02-14 20:33:09 <sipa> it's depressing that i'm reindexing and at block 200k, and my progress is at 20%...
 936 2013-02-14 20:33:52 <gmaxwell> thats honest, and better than the "wtf, it's been at 90% for like two hours!@#?!"
 937 2013-02-14 20:34:00 <sipa> yes, indeed
 938 2013-02-14 20:34:29 <andytoshi> maybe we should write a message to the blockchain at each block saying what % of the full chain it is
 939 2013-02-14 20:34:31 * andytoshi ducks
 940 2013-02-14 20:34:58 <sipa> andytoshi: LOI
 941 2013-02-14 20:36:49 <sipa> damnit
 942 2013-02-14 20:37:07 <sipa> typed rm -f ~/.bitcoin/debug.log instead of tail -f ~/.bitcoin/debug.log
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 945 2013-02-14 20:39:34 <gmaxwell> sipa: I've done that a zillion times. ctrl-r.log<enter> "crap!"
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 947 2013-02-14 20:40:43 webb is now known as webbAWAY
 948 2013-02-14 20:41:11 * andytoshi discovers ctrl-r
 949 2013-02-14 20:41:50 <gmaxwell> andytoshi: now you can make mistakes 40-50 times faster.
 950 2013-02-14 20:42:20 <andytoshi> yeah, i'm excited
 951 2013-02-14 20:42:22 <gmaxwell> I tried excluding rm from the shell history, but that was a bit annoying.
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 953 2013-02-14 20:42:44 <Luke-Jr> sipa: yay SIGHUP? :p
 954 2013-02-14 20:42:44 <andytoshi> if only i could force rm to require i write "-r" before the filenames, like on mac..
 955 2013-02-14 20:43:01 <Luke-Jr> I like PgUp more than Ctrl-R - slightly harder to mess up
 956 2013-02-14 20:43:29 <Luke-Jr> andytoshi: I aliased 'rm' to 'echo NO U' so I have to type out /bin/rm <.<
 957 2013-02-14 20:43:35 <andytoshi> i often do "up-up enter" as root to toggle my screen brightness
 958 2013-02-14 20:43:44 <Luke-Jr> I fear soon I need to make /bin/rm exempt from my history tho
 959 2013-02-14 20:43:47 <andytoshi> and half the time that's "init 0"..
 960 2013-02-14 20:43:50 root2 has quit (Killed (hobana.freenode.net (Nickname regained by services)))
 961 2013-02-14 20:43:50 root2_ is now known as root2
 962 2013-02-14 20:44:02 <gmaxwell> andytoshi: can't you run xbacklight as a normal user?
 963 2013-02-14 20:44:34 <andytoshi> hmm, i'll look that up..it'd be much nicer than my /proc-poking shell script
 964 2013-02-14 20:44:51 <gmaxwell> whatever command you need, enable it in sudo and then alias b='sudo backlightcommand'  then b<enter> is fewer keys and can't screw you.
 965 2013-02-14 20:45:17 <gmaxwell> thats how I do my proc-poking suspend.
 966 2013-02-14 20:46:23 <Luke-Jr> my proc-poking suspend is too complicated for sudo :P
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 974 2013-02-14 20:56:16 <Eliel_> gmaxwell: it'd be nice if you could define a "dangerous command list" for ctrl-r so that when one of those gets recalled, it will ignore enter keypresses until the line's been shown for at least 2 seconds.
 975 2013-02-14 20:56:23 <gmaxwell> sipa: what is your memory usage like after your syncs?
 976 2013-02-14 20:56:46 <sipa> sync or reindex?
 977 2013-02-14 20:56:48 bitafterbit has joined
 978 2013-02-14 20:56:52 <Luke-Jr> Eliel_: IMO, just prepend the line with a # in history
 979 2013-02-14 20:57:43 <Luke-Jr> err, I guess ctrl-R doesn't let you edit the command before running it:/
 980 2013-02-14 20:57:59 <Eliel_> Luke-Jr: the idea is to make sure you have time to register what the command does, not to give you extra steps to memorize so you can again make mistakes much faster :P
 981 2013-02-14 20:58:07 <sipa> Luke-Jr: sure does
 982 2013-02-14 20:58:08 <Luke-Jr> Eliel_: :P
 983 2013-02-14 20:58:13 <Luke-Jr> sipa: ?
 984 2013-02-14 20:58:14 HM has quit (Read error: Connection reset by peer)
 985 2013-02-14 20:58:26 <MCM-Mike> use histignore to to run epic rm commands over and over again
 986 2013-02-14 20:58:38 <sipa> Luke-Jr: it doesn't work for you?
 987 2013-02-14 20:58:49 <Luke-Jr> ah, it does if I press an arrow key first
 988 2013-02-14 20:58:56 <sipa> ctrl-r, then use backspace/left/right to move/edit
 989 2013-02-14 20:59:11 <Luke-Jr> sipa: I'm used to PgUp where I can just keep typing :P
 990 2013-02-14 20:59:13 agricocb has quit (Remote host closed the connection)
 991 2013-02-14 20:59:34 <sipa> ic
 992 2013-02-14 20:59:34 <gmaxwell> sipa: whatever you have?  I finally went through Jouke's debug log in detail, and I don't see any reason he was using so much memory. I'm wondering how reproducable the issue is.  (I still don't really have anything to run bitcoin on right now)
 993 2013-02-14 20:59:50 HM has joined
 994 2013-02-14 20:59:51 <gmaxwell> Luke-Jr: ctrl-r lets you edit.
 995 2013-02-14 21:00:08 <gmaxwell> ctrl-r substring <rightarrow>
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1000 2013-02-14 21:01:19 <sipa> gmaxwell: on my VPS, which just reindexed, 543MB of RES, 99 connections, dbcache=200, maxreceivebuffer=1200, maxsendbuffer=1600
1001 2013-02-14 21:01:21 Muis has joined
1002 2013-02-14 21:01:52 <gmaxwell> Eliel_: I think even more often than rm I'll  ctrl-r reinvoke ./really.long.command -o output_file_I_really_didnt_want_to_overwrite
1003 2013-02-14 21:02:14 <sipa> on my desktop where i did the same, 429 RES, 1 connection, -dbcache=200
1004 2013-02-14 21:02:29 agricocb has joined
1005 2013-02-14 21:02:39 <Eliel_> gmaxwell: well, unless you want to delay everything by 2 seconds, you can't really shield against that.
1006 2013-02-14 21:03:10 <Eliel_> even one second could be enough... maybe
1007 2013-02-14 21:03:57 agricocb has quit (Remote host closed the connection)
1008 2013-02-14 21:04:20 <gmaxwell> Eliel_: which was my point. ... a versioning filesystem would protect against that.
1009 2013-02-14 21:04:50 HM has joined
1010 2013-02-14 21:04:53 <Luke-Jr> gmaxwell: I'd love to see a versioning filesystem without versions :P
1011 2013-02-14 21:04:55 <gmaxwell> I've also got a lot of my really long running commands put their output on stdout.
1012 2013-02-14 21:05:25 HM has quit (Read error: Connection reset by peer)
1013 2013-02-14 21:05:30 <Luke-Jr> so eg, an editor's Undo buffer is basically stored in the filesystem, and Save becomes Tag
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1015 2013-02-14 21:06:14 <Eliel_> Luke-Jr: you mean integrate an editor with git?
1016 2013-02-14 21:06:21 <Luke-Jr> Eliel_: git doesn't behave this way.
1017 2013-02-14 21:06:33 <Luke-Jr> git only commits when you tell it to
1018 2013-02-14 21:06:54 <Luke-Jr> but sure, a git filesystem is a step forward
1019 2013-02-14 21:08:13 <Eliel_> I mean, the git editor could do an automatic commit when you save the file. Although perhaps do it in a way that allows you to combine the commits at the end into a bigger one.
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1022 2013-02-14 21:09:37 <kytv> Hi. Would the channel ops/others be opposed to this channel being relayed to the I2P network as #bitcoin is?
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1027 2013-02-14 21:10:35 andytoshi has quit (Write error: Broken pipe)
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1029 2013-02-14 21:10:43 <gmaxwell> Luke-Jr: when doing r&d work, I often run something like  while true; do $EDITOR program.c ; gcc program && ./program && git commit -a ; done
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1034 2013-02-14 21:12:45 <ProfMac> I try to only save code that gives a clean compile, and "correct" output.  I refine the program to do more and more agressive levels of correct work.
1035 2013-02-14 21:13:56 rdponticelli has joined
1036 2013-02-14 21:14:38 <helo> kytv: they probably are opposed to it, since they wouldn't be able to selectively ban/kick i2p users
1037 2013-02-14 21:15:17 <sipa> meh, i don't mind - if there's really problems we can always kick the relay bot
1038 2013-02-14 21:16:01 <kytv> fwiw annoying users can be blocked from being relayed if it comes to that.
1039 2013-02-14 21:16:20 <kytv> (assuming the relay was allowed, that is)
1040 2013-02-14 21:16:31 <gmaxwell> kicking the bot works fine. if people who are ops here are given ops on I2P they might be convinced to log in and punt problems instead of the realy.
1041 2013-02-14 21:16:54 andytoshi has joined
1042 2013-02-14 21:16:55 [ken] has joined
1043 2013-02-14 21:18:35 <kytv> and if there are problems in #bitcoin, I can be highlighted in case i'm AFK (killyourtv or kytv) and I'll take care of the problem users. Those that caused the relay to be k/b'd in the past were active when I was AFK (as luck would have it)
1044 2013-02-14 21:21:26 i2pRelay has joined
1045 2013-02-14 21:21:41 <Luke-Jr> Eliel_: I mean, it should "commit" even before saving
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1051 2013-02-14 21:22:32 <i2pRelay> <KillYourTV@i2p> alright, let's see how this goes (I don't want 'us' to add to the 'noise')
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1054 2013-02-14 21:24:46 <BlueMatt> sipa: ahh, ok just wondered
1055 2013-02-14 21:25:59 Hashdog has joined
1056 2013-02-14 21:26:04 <sipa> BlueMatt: thanks for reminding me, though :)
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1059 2013-02-14 21:34:20 <ProfMac> I can't start bitcoin-qt.  It says I can't bind to port 8333.  netstat -W | grep 8333 doesn't return anything.  I'm totally paranoid about being hacked, I wonder why I can't use that port.
1060 2013-02-14 21:35:00 <BlueMatt> does netstat -W return listening ports?
1061 2013-02-14 21:35:13 <BlueMatt> it doesnt appear to on my system...
1062 2013-02-14 21:35:24 <BlueMatt> you're looking for netstat -l
1063 2013-02-14 21:35:35 <BlueMatt> probably -ln
1064 2013-02-14 21:36:16 <i2pRelay> <K1773R@i2p> sudo netstat -n --listening --inet -p | grep 8333
1065 2013-02-14 21:36:28 <i2pRelay> <K1773R@i2p> shows u which process/pid is listening on port 8333
1066 2013-02-14 21:37:27 <discrete> ;;ticker
1067 2013-02-14 21:37:27 <gribble> BTCUSD ticker | Best bid: 27.13099, Best ask: 27.15000, Bid-ask spread: 0.01901, Last trade: 27.12824, 24 hour volume: 159840.67127667, 24 hour low: 21.72100, 24 hour high: 27.59690, 24 hour vwap: 25.30244
1068 2013-02-14 21:37:43 mappum has quit (Read error: Connection reset by peer)
1069 2013-02-14 21:38:06 <BlueMatt> getting volatile much?
1070 2013-02-14 21:38:37 mappum has joined
1071 2013-02-14 21:39:10 <ProfMac> sudo netstat -n --listening --inet -p | grep 8333 returns nothing.  As does --inet6  The last change I made was to comment out the onlynet=IPv6 line in bitcoind.conf.
1072 2013-02-14 21:39:47 <discrete> ;;getrate 130
1073 2013-02-14 21:39:47 <gribble> Error: "getrate" is not a valid command.
1074 2013-02-14 21:39:59 <i2pRelay> <K1773R@i2p> whats in debug.log?
1075 2013-02-14 21:40:07 <discrete> ;;genrate 130
1076 2013-02-14 21:40:08 <gribble> The expected generation output, at 130.0 Mhps, given difficulty of 3275464.58657, is 0.0199598699385 BTC per day and 0.000831661247437 BTC per hour.
1077 2013-02-14 21:40:22 clr_ has joined
1078 2013-02-14 21:40:36 <discrete> ;;genrate
1079 2013-02-14 21:40:36 <gribble> (genrate <hashrate> [<difficulty>]) -- Calculate expected bitcoin generation rate using <hashrate> Mhps, at current difficulty. If optional <difficulty> argument is provided, expected generation time is for supplied difficulty.
1080 2013-02-14 21:40:50 <discrete> ;;genrate 60000
1081 2013-02-14 21:40:51 <gribble> The expected generation output, at 60000.0 Mhps, given difficulty of 3275464.58657, is 9.21224766392 BTC per day and 0.383843652663 BTC per hour.
1082 2013-02-14 21:42:02 <Scrat> discrete: you're spamming. you can pm the bot
1083 2013-02-14 21:42:41 <Scrat> in other news asicminer is now @ 1.3 TH/s. oh lawdy
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1087 2013-02-14 21:47:36 <Scrat> 2.3*
1088 2013-02-14 21:48:10 <broomkorn> damn
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1093 2013-02-14 21:56:49 <sipa> gavinandresen: how did you manage to pick a checkpoint with so many 11's in its total transaction since genesis count? (11011160)
1094 2013-02-14 21:58:19 <gmaxwell> lol!
1095 2013-02-14 21:58:20 <gavinandresen> ooh, is that the last one?  generated at 11:11 on 1/11  ?
1096 2013-02-14 21:58:35 <gavinandresen> (sorry, 11/1 for europeans)
1097 2013-02-14 21:58:50 <sipa> yes
1098 2013-02-14 21:58:55 <sipa> number 216116 :)
1099 2013-02-14 21:59:39 <gavinandresen> that is a lot of elevenses.  Must be an omen, price is headed to $111.11 …..
1100 2013-02-14 21:59:50 <sipa> ... or $0.11
1101 2013-02-14 21:59:58 <gavinandresen> nah.  Maybe $11.11
1102 2013-02-14 22:00:37 <andytoshi> haha
1103 2013-02-14 22:02:02 <gavinandresen> picking a favorite number is a good way of demonstrating confirmation bias; I see and notice 11's everywhere.  (e.g. my computer says it is 4:44 right now....)
1104 2013-02-14 22:02:44 <sipa> here it's 22:44 !!!
1105 2013-02-14 22:02:55 <gavinandresen> what are the chances!
1106 2013-02-14 22:03:05 <i2pRelay> <K1773R@i2p> same
1107 2013-02-14 22:03:24 <sipa> K1773R: wow!
1108 2013-02-14 22:03:36 jav__ has quit (Quit: Verlassend)
1109 2013-02-14 22:04:06 <gavinandresen> of course, if my favorite number was 1773 I'm sure I'd see it a lot less often
1110 2013-02-14 22:04:38 <i2pRelay> <K1773R@i2p> so ur favorite number is 11?
1111 2013-02-14 22:04:40 HM has quit (Read error: Connection reset by peer)
1112 2013-02-14 22:04:49 <gavinandresen> yes, my favorite number is eleven
1113 2013-02-14 22:07:35 <i2pRelay> <K1773R@i2p> so this address would be a dream for you: http://blockchain.info/address/1111111111111111111114oLvT2
1114 2013-02-14 22:08:20 HM has joined
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1117 2013-02-14 22:09:37 <gavinandresen> mmm… that'll never happen.  I wonder if there is a combination of "11" and "eleven" and "ELEVEN'" that has a checksum of "1111" in base58 ….
1118 2013-02-14 22:10:47 <gavinandresen> wait:  lower-case-L isn't allowed…, would have to be e1even
1119 2013-02-14 22:10:49 <i2pRelay> <K1773R@i2p> i dont think so
1120 2013-02-14 22:11:34 <echius> what kind of sum are you talking about?
1121 2013-02-14 22:11:54 <gavinandresen> the 4-byte checksum at the end that makes  http://blockchain.info/address/1111111111111111111114oLvT2 ugly
1122 2013-02-14 22:12:30 djoot has joined
1123 2013-02-14 22:17:01 <i2pRelay> <K1773R@i2p> an address that represents part of PI would be funny
1124 2013-02-14 22:18:36 <Luke-Jr> I own 3P14159f73E4gFr7JterCCQh9QjiTjiZrG
1125 2013-02-14 22:21:04 <sipa> nice :)
1126 2013-02-14 22:21:10 <sipa> not very accurate though :p
1127 2013-02-14 22:21:19 <i2pRelay> <K1773R@i2p> 3P1? which altcoin is this
1128 2013-02-14 22:21:26 <kjj> p2sh
1129 2013-02-14 22:21:29 <sipa> bitcoin p2sh address
1130 2013-02-14 22:22:01 <Luke-Jr> K1773R: it's a standard Bitcoin address ;)
1131 2013-02-14 22:22:29 <i2pRelay> <K1773R@i2p> never heard about p2sh
1132 2013-02-14 22:23:11 <kjj> normal addresses are hashes of pubkeys.  p2sh addresses are hashes of scripts.  most commonly used in multisig
1133 2013-02-14 22:23:11 <sipa> see BIP13 for the idea, BIP16 for the implementation
1134 2013-02-14 22:23:17 <gmaxwell> Luke-Jr: not 3P243F6A8885A  ?
1135 2013-02-14 22:23:23 <kjj> ha!
1136 2013-02-14 22:23:48 <sipa> haha :)
1137 2013-02-14 22:23:57 <sipa> or how about Pi in base58?
1138 2013-02-14 22:25:38 <Luke-Jr> gmaxwell: I should vanitygen that too
1139 2013-02-14 22:25:41 <i2pRelay> <K1773R@i2p> does anyone have a base58 calc, standalone C/py/bash? interested to feed it into vanitygen :P
1140 2013-02-14 22:26:05 <Luke-Jr> K1773R: python-base58 ?
1141 2013-02-14 22:26:21 grau has quit (Remote host closed the connection)
1142 2013-02-14 22:26:23 <sipa> pi in base58: 4.9DKRhUz
1143 2013-02-14 22:27:28 <sipa> well, correctly rounded it's 4.9DKRhV1
1144 2013-02-14 22:27:36 <i2pRelay> <K1773R@i2p> luke i guess u mean this one: http://gitorious.org/bitcoin/python-base58/blobs/master/base58.py right?
1145 2013-02-14 22:27:42 <Luke-Jr> right
1146 2013-02-14 22:27:45 <i2pRelay> <K1773R@i2p> the dot is a problem :S
1147 2013-02-14 22:27:53 <Luke-Jr> I did P for Point
1148 2013-02-14 22:27:56 <sipa> then do 1/Pi or so
1149 2013-02-14 22:27:59 <sipa> or Pi/4
1150 2013-02-14 22:28:00 <i2pRelay> <K1773R@i2p> ty
1151 2013-02-14 22:28:21 <gmaxwell> 1/π or π/4 lose the 3 upfront.
1152 2013-02-14 22:28:37 <sipa> aka π-3
1153 2013-02-14 22:28:50 <Luke-Jr> sipa: what if you set the 20 bytes to pi in binary (exponent implied) and encode it as an address? :P
1154 2013-02-14 22:29:26 <Scrat> Ò¨
1155 2013-02-14 22:30:54 <echius> gavinandresen: ok, arent't those bitcoin addresses the result of multiple SHA256 hashings? or is this a custom-script-based address?
1156 2013-02-14 22:30:54 <i2pRelay> <K1773R@i2p> lol
1157 2013-02-14 22:30:55 <i2pRelay> <K1773R@i2p> $ ./oclvanitygen 1Pi4P9DKRhV1
1158 2013-02-14 22:30:56 <i2pRelay> <K1773R@i2p> Difficulty: 9883693997182075238
1159 2013-02-14 22:30:58 <i2pRelay> <K1773R@i2p> [29.05 Mkey/s][total 335544320][Prob 0.0%][50% in 7477.3y]
1160 2013-02-14 22:31:38 <sipa> Luke-Jr: C90FDAA22168C234C4C6628B80DC1CD129024E08 = base58(uint160(pi/4*2^10))
1161 2013-02-14 22:31:41 <sipa> eh
1162 2013-02-14 22:31:48 <sipa> Luke-Jr: 1KL7p7i8nsXqjWHsCKLT8gFb8AaSQRod8k
1163 2013-02-14 22:31:58 <sipa> 2^160
1164 2013-02-14 22:31:59 <echius> gavinandresen: can people actually generate addresses that customized? i thought just making vanity addresses with just a few bytes chosen by you was quite the task
1165 2013-02-14 22:32:05 runeks has quit (Quit: Leaving)
1166 2013-02-14 22:32:27 <sipa> echius: it's much easier if you don't need a matching private key
1167 2013-02-14 22:32:39 <sipa> echius: which is what was done for 1111111111111111111114oLvT2
1168 2013-02-14 22:32:55 <kjj> hmm.  once I turn my GPUs from mining towards vanitygenning, I might just have to patch importprivkey to import into the keypool
1169 2013-02-14 22:32:57 <i2pRelay> <K1773R@i2p> same goes for BitcoinEaterDontSend
1170 2013-02-14 22:33:03 <echius> ah, i get it. i guess those bitcoins are gone then
1171 2013-02-14 22:33:05 <gavinandresen> yes, if you just want an address that you can never spend it is easy.  the 1111…vT2 address corresponds to "keypair whos public key hashes to all zeroes"
1172 2013-02-14 22:33:31 <Scrat> only need to bruteforce ~2 billion hashes on average
1173 2013-02-14 22:33:42 <sipa> Scrat: for what?
1174 2013-02-14 22:33:54 <andytoshi> If you take the word "pi" and sha256 it 10 million times, then encode that, you get 16kAaYc3v6DUwbsRdRc2D27u4nL1mDGENt
1175 2013-02-14 22:34:00 <Scrat> sipa is gonna kill me
1176 2013-02-14 22:34:06 <Scrat> the address checksum
1177 2013-02-14 22:34:09 <sipa> /kill Scrat
1178 2013-02-14 22:34:16 <sipa> /kill -9 Scrat
1179 2013-02-14 22:34:19 <andytoshi> oops, i shoulda wrecked that a bit to prevent anyone trying to spend to it..
1180 2013-02-14 22:34:34 <i2pRelay> <K1773R@i2p> why kill? kill -STOP :P
1181 2013-02-14 22:34:46 <i2pRelay> <K1773R@i2p> and wake him up with -CONT 10 years later :D
1182 2013-02-14 22:34:47 <gavinandresen> phew, andytoshi almost guessed my brainwallet ("pi" sha256 hashed 11 million times)
1183 2013-02-14 22:34:49 <gavinandresen> (kidding)
1184 2013-02-14 22:34:55 <andytoshi> haha
1185 2013-02-14 22:35:03 <sipa> gavinandresen: it's 11111111 times obviously
1186 2013-02-14 22:35:09 <gavinandresen> d'oh!
1187 2013-02-14 22:37:20 <i2pRelay> <K1773R@i2p> wasnt it 11, hashed 11 millions times?
1188 2013-02-14 22:40:07 <sipa> sssssh
1189 2013-02-14 22:40:51 <sipa> (super-savvy-sexy-secure-shell)
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1191 2013-02-14 22:42:14 <Luke-Jr> hmm
1192 2013-02-14 22:42:31 <Luke-Jr> Is there a term for the SHA256 of pi? :P
1193 2013-02-14 22:43:54 <Eliel_> ... that doesn't sound like something that's possible to calculate... At least unless you're talking about sha256 of an approximate value of pi.
1194 2013-02-14 22:44:25 <andytoshi> haha
1195 2013-02-14 22:44:45 <Eliel_> ... unless there's some exotic number system that can actually express pi without needing to approximate.
1196 2013-02-14 22:44:59 <andytoshi> base pi would do it
1197 2013-02-14 22:45:00 <sipa> Eliel_: sure, it's "10" in base Pi
1198 2013-02-14 22:45:15 <i2pRelay> <K1773R@i2p> thats easy, its "Pi"
1199 2013-02-14 22:46:09 [ken] has quit (Quit: leaving)
1200 2013-02-14 22:46:21 <Eliel_> ... how does a number system work when the base is not an integer...
1201 2013-02-14 22:46:40 <sipa> Eliel_: in exactly the same way
1202 2013-02-14 22:47:09 <sipa> abc.de in base Pi is a*Pi^2 + b*Pi + c + d*Pi^-1 + e*Pi^-2
1203 2013-02-14 22:47:17 <andytoshi> Eliel_: as long as you use a positive real number, it's fairly clear what's going on
1204 2013-02-14 22:47:18 <sipa> it's not unambiguous
1205 2013-02-14 22:47:39 <sipa> but base 10 isn't always unambiguous either :p
1206 2013-02-14 22:47:52 <andytoshi> if you use an integer, and only digits less than that integer, it's almost unambiguous
1207 2013-02-14 22:48:11 <sipa> unambiguous almost everywhere, yes
1208 2013-02-14 22:48:25 <sipa> but not everywhere
1209 2013-02-14 22:48:29 <andytoshi> oh, yeah, that's right
1210 2013-02-14 22:48:40 <BlueMatt> gmaxwell: you dont happen to have that script lying around which tests for test_bitcoin, etc coverage?
1211 2013-02-14 22:48:48 * Eliel_ wonders if there's unambigous number system that can express pi exactly.
1212 2013-02-14 22:49:02 <BlueMatt> gmaxwell: I figure Ive waited long enough to make sure that pull-tester complains for every pull req that decreases total coverage :)
1213 2013-02-14 22:49:14 <sipa> Eliel_: there is no unambiguous number system
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1215 2013-02-14 22:49:44 <Eliel_> sipa: well ok, a number system that's not more ambiguous than base-10 then :)
1216 2013-02-14 22:50:10 <Eliel_> although, I'm not sure in what ways base-10 is ambiguous.
1217 2013-02-14 22:50:16 <sipa> Eliel_: 0.99999... == 1
1218 2013-02-14 22:50:26 <andytoshi> that didn't occur to me
1219 2013-02-14 22:50:31 <andytoshi> this is maybe of interest: https://en.wikipedia.org/wiki/Normal_number
1220 2013-02-14 22:50:31 <andytoshi> "a general proof can be given that almost all real numbers are normal"..."this proof is not constructive and only very few specific numbers have been shown to be normal"
1221 2013-02-14 22:50:33 <andytoshi> here "normal" means that all strings occur with roughly the expected probability in every base
1222 2013-02-14 22:51:09 <jaakkos> is the reference client doing a crazy amount of fsync or what's going on...
1223 2013-02-14 22:51:19 <gmaxwell> BlueMatt: install lcov. compile with --coverage   run lcov -c -d `pwd` -b `pwd` -t test_bitcoin -o test_bitcoin.info; genhtml -s test_bitcoin.info -o coverage.report/
1224 2013-02-14 22:51:25 <sipa> jaakkos: yes
1225 2013-02-14 22:51:26 <BlueMatt> gmaxwell: thanks
1226 2013-02-14 22:51:40 <gmaxwell> BlueMatt: it reports the coverage on stdout in text and generates useful html.
1227 2013-02-14 22:51:50 <jaakkos> that's not very nice on ZFS ;)
1228 2013-02-14 22:51:57 <BlueMatt> gmaxwell: thanks, Ill try to get that working next few days
1229 2013-02-14 22:52:02 <jaakkos> because it forces a txg to be pushed to the disk...
1230 2013-02-14 22:52:11 <sipa> jaakkos: is 0.8 as bad?
1231 2013-02-14 22:52:28 <jaakkos> so downloading blockchain 700 kB/s causes 250MB/s disk writes
1232 2013-02-14 22:53:08 <BlueMatt> gmaxwell: how does one merge the coverage reports again?
1233 2013-02-14 22:53:13 <Eliel_> sipa: ok, then that gives a concise definition for what I'd mean with unambiguous. a number system where two numbers, both expressable without infinity sequenes are equal only if they are identical.
1234 2013-02-14 22:53:23 <jaakkos> sipa: haven't tried - this is 0.7.2.0 from debian sid
1235 2013-02-14 22:53:43 <gmaxwell> BlueMatt: lcov -c report report report -o newreport
1236 2013-02-14 22:53:52 <BlueMatt> gmaxwell: thanks
1237 2013-02-14 22:54:34 <jaakkos> sipa: i'm temporarily using 'eatmydata' to eliminate fsync while downloading the chain
1238 2013-02-14 22:55:04 <gmaxwell> BlueMatt: you may want to also do lcov -c -i -o baseline.info  before running any thing, so that totally uncovered stuff shows up.
1239 2013-02-14 22:57:48 <jaakkos> i'm not sure if crazy amount of fsync is a good idea... considering that many cheapo physical storage ignores barriers anyway
1240 2013-02-14 22:57:59 <jaakkos> but then again i should be trying 0.8 i suppose
1241 2013-02-14 22:58:26 <BlueMatt> gmaxwell: alrighty, thanks
1242 2013-02-14 22:59:12 <gmaxwell> jaakkos: take that up with oracle, it's not our code thats super fsync happy.
1243 2013-02-14 22:59:27 Eipeace is now known as WeLoveCP
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1245 2013-02-14 22:59:42 WeLoveCP is now known as Banstick
1246 2013-02-14 22:59:48 Banstick is now known as DemonZ^_^
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1250 2013-02-14 23:02:32 <Luke-Jr> Eliel_: base pi works
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1252 2013-02-14 23:04:02 <sipa> 4 can be expressed in base pi in a (countably) infinite number of ways
1253 2013-02-14 23:04:20 <sipa> every number except 0, actually
1254 2013-02-14 23:05:54 <jaakkos> gmaxwell: this could be a zfsonlinux bug... looking to it.
1255 2013-02-14 23:06:24 <jaakkos> sync=disabled or eatmydata didn't help, surprisingly.
1256 2013-02-14 23:07:04 Hashdog has quit (Ping timeout: 244 seconds)
1257 2013-02-14 23:07:13 <Scrat> jaakkos: zfsonlinux? you're brave
1258 2013-02-14 23:07:34 <jaakkos> Scrat: it's actually quite good. i would trust it over btrfs any time (though that's not much...)
1259 2013-02-14 23:07:54 <Luke-Jr> sipa: yes, but pi is a simple 10
1260 2013-02-14 23:07:58 <Scrat> indeed :p Ts'o taking his sweet time
1261 2013-02-14 23:13:01 <sipa> Luke-Jr: or 3.01102111002...
1262 2013-02-14 23:13:13 <Luke-Jr> sipa: hm?
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1264 2013-02-14 23:13:31 <jaakkos> oh the client uses berkeley db
1265 2013-02-14 23:13:38 <Luke-Jr> jaakkos: not for long!
1266 2013-02-14 23:13:38 <sipa> jaakkos: up to 0.7.x
1267 2013-02-14 23:13:46 <jaakkos> zfs has a known regression with that
1268 2013-02-14 23:13:46 <sipa> well, 0.8 still uses bdb for the wallet
1269 2013-02-14 23:13:47 <Luke-Jr> sipa: well, 0.8.x uses it for wallet still :<
1270 2013-02-14 23:14:04 CodesInChaos has quit (Ping timeout: 252 seconds)
1271 2013-02-14 23:14:21 <sipa> Luke-Jr: check it; Pi in base-Pi lies between 3.01102111002 and 3.01102111003
1272 2013-02-14 23:14:32 <sipa> in addition to being 10
1273 2013-02-14 23:14:37 <Luke-Jr> …
1274 2013-02-14 23:14:51 <sipa> trust me :p
1275 2013-02-14 23:14:52 <jaakkos> sipa, Luke-Jr: i see
1276 2013-02-14 23:15:11 LargoG has quit (Remote host closed the connection)
1277 2013-02-14 23:15:40 <sipa> ;;calc 3+1/pi^2+1/pi^3+2/pi^5+1/pi^6+1/pi^7+1/pi^8+2/pi^11
1278 2013-02-14 23:15:41 <gribble> Error: Something in there wasn't a valid number.
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1280 2013-02-14 23:16:02 <Luke-Jr> sipa: it's python
1281 2013-02-14 23:17:15 <sipa> ;;calc pi=3.14159265358979323; 3+1/pi^2+1/pi^3+2/pi^5+1/pi^6+1/pi^7+1/pi^8+2/pi^11
1282 2013-02-14 23:17:16 <gribble> Error: invalid syntax (<string>, line 1)
1283 2013-02-14 23:17:18 whizter has quit ()
1284 2013-02-14 23:17:40 <sipa> ;;calc pi=3.14159265358979323; 3+1/pi**2
1285 2013-02-14 23:17:40 <gribble> Error: invalid syntax (<string>, line 1)
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1289 2013-02-14 23:21:25 <andytoshi> sipa: cool, it works in octave
1290 2013-02-14 23:21:42 phma has quit (Remote host closed the connection)
1291 2013-02-14 23:21:43 <andytoshi> i'm kinda surprised you were able to do that without using digits greater than 3
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1300 2013-02-14 23:22:59 <sipa> andytoshi: that's the point of course
1301 2013-02-14 23:23:30 <sipa> andytoshi: the digit range is 0-3 (which means 4 possibilities), but you only need 3.1415... possibilities to cover every number in base pi
1302 2013-02-14 23:23:51 <sipa> not that the fractional number of possibities is possible of course
1303 2013-02-14 23:24:03 Hashdog has joined
1304 2013-02-14 23:24:12 <sipa> but it results in every non-integer base in having an infinite number of ways to express every non-zero number
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1313 2013-02-14 23:27:00 <andytoshi> oh :P i forgot that 0,1,2,3 was four numbers..
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1315 2013-02-14 23:27:43 <BlueMatt> gmaxwell: hmm...why am I missing branch coverage? I seem to remember that being there?
1316 2013-02-14 23:28:13 bitcoinbulletin has joined
1317 2013-02-14 23:28:29 <gmaxwell> BlueMatt: your lcov is old.
1318 2013-02-14 23:28:31 brwyatt is now known as Away!~brwyatt@brwyatt.net|brwyatt
1319 2013-02-14 23:28:50 <BlueMatt> gmaxwell: nope, Im on 1.10, which appears to be newest
1320 2013-02-14 23:29:04 <gmaxwell> not that branch coverage is super useful on our codebase. :( all the C++ magic creates ooodles of untestable heap allocation failure checks.
1321 2013-02-14 23:29:04 <BlueMatt> (though I havent tested on jenkins, which may have different results)
1322 2013-02-14 23:29:12 <BlueMatt> yes, but still....
1323 2013-02-14 23:30:02 <gmaxwell> BlueMatt: IIRC it's on by default since 1.09 or something.  I'm running 1.11 (some CVS version) because I hit a crashbug in something.
1324 2013-02-14 23:30:18 <BlueMatt> gmaxwell: Im on 1.10 though....
1325 2013-02-14 23:31:02 <BlueMatt> well Ill see whats up with jenkins, but I suppose its no big deal without
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