| 00:20:17 | justanot1eruser: | justanot1eruser is now known as justanotheruser |
| 00:43:46 | moa: | http://www.cs.princeton.edu/~tongbinw/bitcoinIDE/build/editor.html bitcoin script IDE tool |
| 01:05:10 | bosma: | bosma is now known as fxotato |
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| 01:11:05 | fxotato: | fxotato is now known as bosma |
| 01:19:06 | bosma_: | bosma_ has left #bitcoin-wizards |
| 01:44:51 | op_mul: | moa: something tells me that tool is going to bloat out UTXO set somewhat. |
| 01:44:51 | phantomcircuit: | op_mul, that made me dizzy af |
| 01:44:51 | justanotheruser: | LOL |
| 01:44:51 | justanotheruser: | op_mul: you should try out "1 2 op_mul" |
| 01:44:51 | op_mul: | ._. |
| 01:44:51 | op_mul: | SEIOUSLY. |
| 01:44:51 | justanotheruser: | op_return works (in that it doesn't work) |
| 01:44:51 | justanotheruser: | someone is going to end up using this js in a consensus reimplementation |
| 01:44:51 | kanzure: | what's with the animation |
| 01:44:51 | kanzure: | is that really necessary? |
| 01:44:51 | phantomcircuit: | obviously it is |
| 01:44:51 | kanzure: | excellent reasoning |
| 01:44:51 | justanotheruser: | umm this is terrible |
| 01:44:51 | justanotheruser: | op_2rot treats the stack as a queue |
| 01:44:51 | justanotheruser: | err |
| 01:44:51 | op_mul: | there's more than one bug in their script execution. hope nobody elses this for realsies. |
| 01:44:51 | justanotheruser: | I mean the one after that |
| 01:50:53 | BlueMatt_: | BlueMatt_ is now known as BlueMatt |
| 01:52:12 | justanotheruser: | somehow op_pushdata1 by itself pushed 216 onto the stack |
| 02:11:16 | maaku: | hrmm... disabled opcodes work |
| 02:11:33 | op_mul: | well. some of them. |
| 02:11:36 | maaku: | people are in for a surprise if they test their scripts here |
| 02:11:48 | kanzure: | perhaps it is a piece of public performance art |
| 02:11:57 | op_mul: | yep. like I said. we're in for some UTXO bloat if people try and use this for real. |
| 02:12:12 | op_mul: | > but it worked in the IDE |
| 02:14:57 | maaku: | the alt stack isn't visualized |
| 02:15:21 | op_mul: | as far as I know no script has ever used the alt stack |
| 02:18:37 | justanotheruser: | also, enter 4b into the assembly section, click the Script tab, click the assembly tab, click the Script tab |
| 02:19:45 | maaku: | op_mul: well jorge and i proposed uses for the alt stack |
| 02:20:00 | justanotheruser: | 4b assembly to Script => NaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaN back to assembly then back to script again is OP_2ROT OP_FALSE NaNNaNNaNNaNNaNNaNNa NaNNaNNaNNaNNaNNaNNa NaNNaNNaNNaNNaNNaNNa NaNNaNNaNNaNNaNNaNNa NaNNaNNaNNaNNaNNaNNa ... |
| 02:20:06 | justanotheruser: | ... NaNNaNNaNNaNNaNNaNNa NaNNaNNaNNaNNaNNaNNa NaNNaNNaNNaNNaNNaNNa NaNNaNNaNNaNNaNNaNNa NaNNaNNaNNaNNaNNaNNaNNaNNaN |
| 02:20:22 | maaku: | "4b Batman!" |
| 02:20:24 | op_mul: | oh javascript. |
| 02:20:48 | maaku: | if code_separater wasn't broken you could do cool stuff with the alt stack :\ |
| 02:23:31 | op_mul: | alas |
| 02:23:53 | justanotheruser: | 0 da OP_PUSHDATA4 OP_EQUALVERIFY |
| 02:23:56 | justanotheruser: | PASSES :D |
| 02:24:56 | op_mul: | that fails for me |
| 02:26:16 | op_mul: | oh no. my stack overflowed the box. |
| 02:27:35 | justanotheruser: | op_mul: oops, remove the verify |
| 02:28:11 | op_mul: | is PUSHDATA4 ever legal? |
| 02:28:29 | justanotheruser: | I think so, but it isn't useful. |
| 02:28:32 | justanotheruser: | let me check the source |
| 02:29:45 | op_mul: | yeah it is legal but fairly useless. |
| 02:32:43 | op_mul: | I guess we could say that PUSHDATA4 is a show of ultimate optimism |
| 02:39:35 | phantomcircuit: | op_mul, heh |
| 03:53:59 | op_mul: | andytoshi: re: people auditing openssl, I don't think any of this stuff gets anywhere near as many eyes on it as people would like to be thinking. |
| 04:00:06 | op_mul: | somewhat similar to the bystander effect, where everybody just assumes that everybody else is auditing the code which means they don't have to. of course it's impractical for everybody to audit every bit of code that they use, though. |
| 04:01:22 | maaku: | op_mul: it would not be legal if bip 62 were adopted |
| 04:01:36 | maaku: | except for legacy transactions of course |
| 04:01:45 | phantomcircuit: | op_mul, virtually nobody is reviewing openssl... |
| 04:01:55 | op_mul: | maaku: right, thank you, I knew I'd read that somewhere. |
| 04:01:58 | phantomcircuit: | i bet nobody has read through the entire codebase |
| 04:01:58 | phantomcircuit: | like |
| 04:01:59 | phantomcircuit: | ever |
| 04:02:41 | op_mul: | I'm sure the same holds for bitcoin core |
| 04:02:58 | maaku: | i'm pretty sure "open source makes all bugs shallow" has been thoroughly disproven in practice |
| 04:06:16 | phantomcircuit: | op_mul, i read through all of bitcoin core in like |
| 04:06:19 | phantomcircuit: | 2011 |
| 04:06:23 | phantomcircuit: | my eyeballs hurt |
| 04:07:06 | sipa: | i am not sure i have read it all |
| 04:07:29 | sipa: | like the wx code :D |
| 04:07:51 | op_mul: | is there any easy way to get git to spit out the least changed portions of the code? |
| 04:08:13 | sipa: | git blame + some processing |
| 04:08:37 | op_mul: | * op_mul nods |
| 04:09:30 | phantomcircuit: | sipa, i read the wx part but obviously not the wx lib part |
| 04:09:56 | phantomcircuit: | note that is like |
| 04:09:58 | phantomcircuit: | 99% useless |
| 04:11:04 | op_mul: | maybe that needs to be a hackathon. big barrel of port, and have a bunch of people sit and read through the code line by line. |
| 04:11:23 | phantomcircuit: | barrel |
| 04:11:24 | phantomcircuit: | lol |
| 05:17:35 | TopHatCat: | Huh? You can have .ninja as a TLD now? |
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| 14:14:53 | andytosh1: | op_mul: my point was that i've read most of libsecp256k1 and the stuff that i read, i understood what was going on. i've tried to look at openssl and every time i get like one line in before i'm chasing macro definitions 5 files deep and can barely keep track of the high-level process, let alone what memory is being moved where |
| 14:15:44 | andytosh1: | so "nobody is looking at this" is exacerbated by the fact that anyone who tries is chased off before they can get started |
| 14:17:00 | andytosh1: | it also helps i think that there is apparently more paranoia in the bitcoin space (where libsecp256k1 is used) for some reason than there is in literally every other area of commerce combined (where openssl is used) |
| 14:17:22 | andytosh1: | andytosh1 is now known as andytoshi |
| 14:30:58 | jgarzik: | andytoshi, Previously, finance could wave a wand and undo any attacker damage |
| 14:31:11 | jgarzik: | andytoshi, That doesn't work with bitcoin ;p |
| 14:31:26 | jgarzik: | we have to be more paranoid |
| 14:46:10 | op_mul: | andytoshi: I follow. |
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