--- Log opened Sun Apr 26 00:00:05 2020
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04:18 < waxwing> belcher_, not appimage, just pyinstaller :)
04:27 < belcher_> did i say appimage on SLP ? my bad
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04:47 < waxwing> nbd. the stuff about economic analysis of fidelity came across well.
04:48 < waxwing> i still think when discussing the negatives we could consider the anonymity issue of the created addresses. you remember my ring sig thing.
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06:07 < gustavonalle> Hi all, I started Qt and it hangs at “Reading wallet from blockchain…”
06:07 < gustavonalle> DEBUG log only shows: 2020-04-26 14:02:42,025 [DEBUG]  rpc: listaddressgroupings []
06:07 < gustavonalle> It’s been stuyck for 10min now
06:08 < gustavonalle> Bitcoin Core is 0.19.x
06:09 < waxwing> is your bitcoind on the same machine?
06:11 < gustavonalle> no
06:11 < gustavonalle> same LAN
06:11 < waxwing> can you do rpc calls manually and have them return OK?
06:11 < waxwing> i.e. use same rpc settings as you put in joinmarket.cfg and call something like getblockchaininfo
06:12 < waxwing> i have heard cases of people doing JM on RPi or similar (some other type of device I think?) where for some reason rpc calls were getting crazy slow.
06:12 < waxwing> another detail, is your bitcoind wallet relatively unused, also what is your version of bitcoind and Joinmarket just for reference.
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06:13 < AnimalX> Hi there everyone
06:13 < gustavonalle> I can call the bitcoin node via cURL
06:13 < AnimalX> Can someone tell me what coinjoin is all about?
06:14 < gustavonalle> $ curl -v --data-binary '{"jsonrpc":"1.0","id":"curltext","method":"getblockchaininfo","params":[]}' -H 'content-type:text/plain;' http://user:pass@192.168.1.78:18332/
06:14 < gustavonalle> {"result":{"chain":"test","blocks":1721970,"headers":1721970,"bestblockhash":"000000000000011808b95b1e315d4be1d6dcf136d526529b3c946f103d8430a6","difficulty":13359759.54215726,"mediantime":1587903521,"verificationprogress":0.9999978426869794,"initialblockdownload":false,"chainwork":"0000000000000000000000000000000000000000000001573be0c52b1ace2e9a","size_on_disk":27105883602,"pruned":false,"softforks":{"bip34":{"type":"buried","a
06:14 < gustavonalle> active":true,"height":21111},"bip66":{"type":"buried","active":true,"height":330776},"bip65":{"type":"buried","active":true,"height":581885},"csv":{"type":"buried","active":true,"height":770112},"segwit":{"type":"buried","active":true,"height":834624}},"warnings":"Warning: unknown new rules activated (versionbit 28)"},"error":null,"id":"curltext"}
06:14 < AnimalX> What is joinmarket at all? I just don't understand it!
06:14 < gustavonalle> this is testnet, but the same happens with mainnet
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06:14 < waxwing> gustavonalle, ok but we use rpc calls (so like `bitcoin-cli <command>` etc with rpc settings in bitcoin.conf.)
06:15 < waxwing> hmm actually forget that, i guess that's not relevant, you don't need bitcoind locally
06:16 < gustavonalle> my bitcoind is kind of master
06:16 < waxwing> ok. doubt that'll be an issue then unless "kind of" means something special :)
06:16 < gustavonalle> it is master branch from Mar 28
06:16 < gustavonalle> plus the BIP157 PR on top :)
06:16 < waxwing> do you see the same behaviour if you run `python wallet-tool.py <walletname>" on command line?
06:16 < gustavonalle> let me see
06:16 < waxwing> i.e just hanging.
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06:17 < waxwing> also, is this new behaviour, i.e. have you ever synced the wallet before, and is it new
06:18 < waxwing> AnimalX, question is a bit general, try reading the intro in https://github.com/Joinmarket-Org/joinmarket-clientserver (as in topic of this channel), and maybe follow links from there
06:18 < AnimalX> I am reading this I found it on google: https://en.bitcoin.it/wiki/CoinJoin
06:18 < AnimalX> is it ok
06:18 < AnimalX> ?
06:18 < AnimalX> waxwing?
06:19 < waxwing> yes it's a good place to start
06:19 < AnimalX> ok thanks
06:19 < gustavonalle> it is a new wallet @waxwing 
06:19 < waxwing> gustavonalle, also pls don't paste output like that if it's more than a couple of lines
06:19 < gustavonalle> just generated it
06:20 < waxwing> i see, hmm. so we have some basic problem with the rpc calls it seems. especially if it completely hangs, rather than just being slow.
06:20 < gustavonalle> what is the command line to load a testnet wallet?
06:20 < waxwing> i guess it can't be wrong rpc credentials, iirc it will throw an exception if you get that wrong
06:20 < waxwing> same as for mainnet, but change the settings in joinmarket.cfg
06:20 < waxwing> `python wallet-tool.py walletname.jmdat`
06:21 < gustavonalle> python wallet-tool.py <wallet> fails with “Wallet network mismatch: we are on 'mainnet' but wallet is on 'testnet’.”
06:21 < waxwing> yes, change ~/.joinmarket/joinmarket.cfg settings in blockchain section
06:22 < AnimalX> so my understanding is that it is a kind of simple bitcoin tumbler in place, instead of jumping around random addresses it kind of combines a bunch of pay-ins and payouts to sort of semi-anonymize the payment process?! Am I kind of close? Did I get it right?
06:23 < waxwing> it's multiple people making a transaction together, fundamentally (coinjoin)
06:23 < waxwing> if you have general questions about what coinjoin is, probably better #bitcoin than this channel, although it's ok here i guess.
06:23 < AnimalX> yes, combinging them hoping to anonymize things right? 
06:23 < AnimalX> ok great
06:23 < waxwing> it can be used for that; mostly it is exactly for that today, although in certain versions of the future it could be done for economical reasons
06:24 < gustavonalle> ok, I think I saw the problem:
06:24 < gustavonalle> jmclient.jsonrpc.JsonRpcError: {'code': -32601, 'message': 'Method not found'}
06:25 < AnimalX> Yes, because if like 7 people pay at the same time, for the payment to be verified by miners, the fee would be cut betweex all of the payers right? The confirmation fee will be devided between all of us.
06:25 < AnimalX> That is great!
06:25 < gustavonalle> wallet_service.py line 380
06:25 < AnimalX> any major players using it?
06:25 < AnimalX> Like a big bitcoin company that use this?
06:25 < gustavonalle> @waxwing I guess bitcoin core changed some method and it broke joinmarket 
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06:30 < gustavonalle> or maybe the BIP157 PR 
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06:40 < gustavonalle> hmm, nope. The method is still there 
06:40 < gustavonalle> (listaddressgroupings)
06:55 < gustavonalle> @waxwing I think I may have compiled bitcoin core with “-disable-wallet” and it removed a bunch of RPC methods from my node
06:56 < waxwing> gustavonalle, ah yes. that is a common error.
06:56 < waxwing> sorry was afk.
06:56 < waxwing> i always forget that one.
06:56 < gustavonalle> I don’t remember anymore how I compiled it, but this is the only explanation I can’t think of
06:56 < gustavonalle> *can
06:56 < gustavonalle> will recompile
06:59 < gustavonalle> why do JM need the bitcoin core wallet, btw?
07:00 < waxwing> gustavonalle, we use bitcoin core watch-only wallets to keep track of address balances
07:01 < waxwing> btw you can use `rpc_wallet_file` in config to use a separate Core wallet for JM, it's a good idea to do that, in particular, if you are using the Core wallet for anything else (though here, it seems like you aren't)
07:02 < waxwing> gustavonalle, oh from your previous comment, it looks like you're not sure if that's the cause. but you could just try a wallet rpc command in your cURL to see if it works
07:02 < waxwing> anyway if you did compile without wallet you need to recompile with wallet, so i guess that's not a relevant comment, lol
07:03 < gustavonalle> it gives error, I will try to recompile with wallet support
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08:11 < waxwing> AlexCato (just pinging you off the top of my head, but there are probably others who might know), do you have any idea how i can get python-bitcointx to recognize and use the libsecp256k1 lib that coincurve creates (or also, how to force coincurve to build libsecp locally)
08:12 < waxwing> this stuff is remarkably obscure to me at least. i will probably get there eventually but damn is it a time sink.
08:17 < DSRelBot> [DS/AlexCato1] sorry waxwing, completely out of my depth. I got nothing there.
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12:20 < HackRelay> [hackint-irc/jmarket] Looks like my tumble failed but I can't see any tumble.schedule in ~/.jojnmarket. Shouldn't there be one there
12:24 < HackRelay> [hackint-irc/jmarket] I found it in the app directory under logs. Looks like these weren't moved to the data directory - shouldn't they be thouugh
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12:48 < gustavo_> Is possible to see the order book on  testnet?
12:54 < gustavo_> I guess there’s pretty much nothing there at the moment?
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14:15 < kristapsk> waxwing, you will do some more testing / reviewing on #560 or it's ok to merge?
14:50 < waxwing> kristapsk, ok let me look right now. i'm spending too much time trying to figure out how gcc and ldconfig find shared libraries :)
14:55 < waxwing> kristapsk, answered
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14:59 < kristapsk> waxwing, ok, will merge then
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--- Log closed Mon Apr 27 00:00:06 2020