--- Log opened Sun Nov 22 00:00:24 2020
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03:16 < darosior> You can ?
03:18 < jasan> :-)
03:18 < jasan> wrong window maybe?
03:22 < zmnscpxj__> maybe out of resources? channels can have a limit on number of HTLCs in-flight, also each HTLC reserves funds for its fees
03:22 < zmnscpxj__> ...what topic are we talking about anyway?
03:36 < darosior> I was answering az0re's question 
03:37 < zmnscpxj__> well, yes, my understanding as well is similar, it should be doable
03:37 < zmnscpxj__> unless you run out of resources like I mentioned
03:37 < zmnscpxj__> but if you are rebalancing distinct different pairs of channels it "should" work.
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08:39 < az0re> darosior: Orly?
08:39 < az0re> When I try, using `lightning-cli`, they are processed one-at-a-time
08:40 < zmnscpxj__> (*cough* clboss-movefunds *cough*)
08:41 < darosior> hehe, i really need to give clboss a try :)
08:41 < zmnscpxj__> I guess the root cause is that the python plugin framework is synchronous by default?
08:42 < darosior> az0re: lightning-cli is a ""single-threaded"" interface to the jsonrpc server, you can just use for example `lightning-cli rebalance &` for your command to be processed in background
08:42 < zmnscpxj__> do note that `clboss-movefunds` is a "best effort".  also the command returns immediately
08:42 < darosior> Or ctrl-Z + bg, or a script, or w/e
08:42 < zmnscpxj__> the plugin itself is async?
08:43 < darosior> Hmmm
08:44 < zmnscpxj__> az0re could you try `lightning-cli` in mujltiple terminals simultaneously?
08:44 < darosior> It's not but i was under the impression doing this parallelized the calls :/ Maybe it's just an impression
08:45 < zmnscpxj__> my hazy understanding is that the plugin framework is sync by default and would ignore other requests while a function invoked by an exposed command has not returned
08:46 < zmnscpxj__> I vaguely remember an old issue where somebody was asking for an async plugin framework
08:47 < zmnscpxj__> az0re: why are you manually managing channel balances? CLBOSS is not managing it well?
08:48 < darosior> Yeah, and we have the async_[method] version of the methods
08:49 < darosior> (in pyln)
08:52 < darosior> Ok so we are definitely not (https://github.com/ElementsProject/lightning/blob/66b2bb9a90c5cbb83dd510fbcb450104cb4712d5/contrib/pyln-client/pyln/client/plugin.py#L541-L570) and i just fooled myself thinking this :sob: 
08:52 < zmnscpxj__> ah, yes
08:55 <@cdecker> For context: the pyln library is sync, and the `async_*` style decorators pass a future `request` in so you can not return immediately. They are not related to asyncio, since we didn't want to lock in on a specific reactor, but the futures, with callbacks are easily adapted to async/await style flows
08:55 < zmnscpxj__> ah, I misremembered --- `clboss-movefunds` blocks until the move completes. but it works async since the entire plugin is async
08:56 < m-schmoock> cdecker: I fixed the broken plungin drain tests. This was because pyln changed... https://github.com/lightningd/plugins/pull/161
08:56 < zmnscpxj__> yes, I meant async as in using some kind of callback-equivalent facility, which futures are
08:58 < m-schmoock> that would reduce some of the Travis issues...
08:58 < m-schmoock> that ACK was quick :D
08:59 < m-schmoock> in the past   doing   1376453msat * 0.01 * 42.0  did work and cut of any sub-msat values
08:59 < m-schmoock> but this changed sometime
08:59 < zmnscpxj__> Maybe due to `Decimal`?
08:59 < zmnscpxj__> <--- not a pythonist
08:59 < m-schmoock> not sure if fixing this by casting is the right way. maybe we can allow  Millisatoshi(123.00001) 
08:59 < m-schmoock> not sure
09:00 < m-schmoock> anyway
09:00 < m-schmoock> just my two millisatoshi ^^
09:00 < az0re> darosior, cdecker: So, currently no way around it?  But it should be set up to be properly async in the future?
09:00 < az0re> zmnscpxj__: Haven't set up CLBOSS yet, also a bit wary of having my funds automatically managed :)
09:00 < darosior> Currently no, i think the rebalance needs some work anyways and that it's part of it :)
09:01 < az0re> OK I see
09:01 < az0re> (it also needs multi-part payments)
09:02 < zmnscpxj__> CLBOSS splits funds movements, though not quite multi-part, since it treats funds movement as a "best effort" anyway
09:02 <@cdecker> az0re: you can do async things with the current pyln framework: mark a function as `async_method` or `async_hook`, get a `request` from the framework (which is later used to return the result), stash it somewhere (run on another thread, start an async task, ...) and return from the function (the request will stay open until you either call
09:02 <@cdecker> `request.set_result` or `request.set_failure`)
09:02 < zmnscpxj__> meaning it thinks it is okay for part of the fund being transferred to succesfully transfer while the rest does not transfer
09:02 < m-schmoock> cdecker: wtf now travis gives me   AttributeError: 'LightningNode' object has no attribute 'fundchannel'  
09:02 < zmnscpxj__> !!
09:03 <@cdecker> lol, you need LightningNode.rpc.fundchannel
09:03 < m-schmoock> which pyln-client version should I go for ?
09:03 < m-schmoock> nah
09:03 < m-schmoock> I want the helper
09:03 <@cdecker> We only have helper functions on LightningNode for a couple of very specific things
09:04 < m-schmoock> its only testcode
09:04 < az0re> cdecker: OK, got it, but using lightning-cli, even in the background or in multiple terminals, is not currently set up to do it--right?
09:04 <@cdecker> For some reason the helper on LightningNode (that accepts another LightningNode as arg) is called openchannel or open_channel...
09:04 <@cdecker> az0re: if the plugin is using this async + stash + later respond setup you can have an arbitrary number of concurrent lightning-cli calls, no problem
09:05  * m-schmoock is confused
09:05 < m-schmoock> can you point out on github whats the deal :D
09:05 < zmnscpxj__> `fund_channel` is how I remember it, but could be wrong
09:05 < m-schmoock> I thougt also updating requirements.txt to a newer version is sufficient
09:06 < az0re> cdecker: So, sorry for needing some hand holding here, why does it not work in parallel when I launch two rebalance commands in two terminals?
09:06 <@cdecker> So there's the `openchannel` helper which really should be called `fundchannel` for consistency: https://github.com/ElementsProject/lightning/blob/master/contrib/pyln-testing/pyln/testing/utils.py#L630
09:06 < az0re> It apparently is using that async-ish setup
09:06 < zmnscpxj__> az0re: because the plugin cannot handle it in parallel
09:07 < az0re> Oh, I think I get it; it's also the plugin logic that needs to handle async execution, and `rebalance` doesn't support it
09:08 <@cdecker> Exactly: def rebalance (https://github.com/lightningd/plugins/blob/master/rebalance/rebalance.py#L122-L123) is marked `@plugin.method` and not `@plugin.async_method`, hence everything has to happen on the main thread
09:08 < zmnscpxj__> yes
09:08 < az0re> Gotcha
09:08 < az0re> Thanks cdecker and zmnscpxj__
09:08 < zmnscpxj__> np np np
09:08 < zmnscpxj__> also, CLBOSS :P
09:08 < az0re> One of these days... :)
09:09 < zmnscpxj__> CLBOSS is your fault. You were asking lots of questions on how to start up a node and I thought... why is there not a program that does it for new users?
09:09 < zmnscpxj__> haha
09:09 < zmnscpxj__> and thus CLBOSS was born
09:12 < az0re> You're welcome
09:12 < az0re> :P
09:12 < zmnscpxj__> hahahahaha
09:12 < zmnscpxj__> :P
09:12 < az0re> No really, I appreciate it and will try it out.  "Sometime soon" ;)
09:12 < zmnscpxj__> sure sure
09:12 < zmnscpxj__> hopefully recent releases are better
09:13 < zmnscpxj__> e.g. I caught a recent bug where a rebalancer could get "chained" into moving funds from one channel to another repeatedly
09:13 < zmnscpxj__> which means I need to make a release soon instead of procastinating
09:13 < zmnscpxj__> hmmm
09:19 < m-schmoock> cdecker: why am I no longer supposed to use the fundchannel helper (non-RPC) on a plugin testcase? Or do I get something wrong? Updateing to pyln-client 0.8.2 didnt help
09:20 < m-schmoock> im lost :D
09:21 < m-schmoock> should I just swtich to rpc.fundchannel and be done?
09:22 < m-schmoock> I did use testing utils in plugin tests which contains fundchannel
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09:46 <@cdecker> No, what I meant is that we broke our naming convention for the helper and it's called openchannel instead
09:47 < m-schmoock> ah wait. so for the test helpers its now openchannel
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09:47 <@cdecker> Yep
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09:48 < m-schmoock> will try
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09:57 < m-schmoock> cdecker: can you quickly point out whats the difference between fundchannel and openchannel? They should both be accessible for testing. fundchannel would give me the scid whereas openchannel address and fundingtx id
09:57 < m-schmoock> also why does Travis forbid me using fundchannel when its in the same scope as openchannel
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10:09 < m-schmoock> updated. lets hope its now green
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10:26 < m-schmoock> cdecker: okay. drain tests are now good. #161 and #159 will fix certin issues. But theres still test_summary issues which started to fail recently. Will fix that too, but tomorrow
10:26 < m-schmoock> after that plugin suite should bee green again
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14:11 < HelloShitty> Hello peeps
14:11 < HelloShitty> I had to reinstall my whole OS
14:11 < HelloShitty> And I'm getting an error while compiling c-lightning
14:11 < HelloShitty> In make command
14:13 < HelloShitty> It says:
14:13 < HelloShitty> ./bin/sh: 1: ./tools/autogen.sh: not found
14:13 < HelloShitty> And
14:14 < HelloShitty> make: *** [external/Makefile:82: external/jsmn/jsmn.c] Error 1
14:14 < HelloShitty> And lastly
14:15 < HelloShitty> ./bin/sh: 1:.. /../libbacktrace/configure: not found
14:52 < HelloShitty> niftyney cdecker darosior
14:53 < HelloShitty> niftynei
14:53 < HelloShitty> Why can't I compile this thing?
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15:46 < psysc0rpi0n> guys, when anyone can, please take a look at these compilation errors of c-lightning
15:47 < psysc0rpi0n> https://paste.debian.net/1173910/
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15:47 < HelloShitty> I can't go over this point
15:48 < HelloShitty> I already installe jq as jsnm is json related, but still no good
15:59 < HelloShitty> I'll come here again tomorrow
15:59 < HelloShitty> to ask for help on that issue
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--- Log closed Mon Nov 23 00:00:24 2020