--- Log opened Wed Apr 15 00:00:02 2020
--- Day changed Wed Apr 15 2020
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11:57 < BlueMatt> 🎵I didnt start the flamewar🎵 https://www.reddit.com/r/rust/comments/g1y8i3/firefox_on_debian_missing_out_on_security_updates/
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12:44 < Kiminuo> hah
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16:16 < ariard> BlueMatt: updated 559
16:17 < ariard> why EnforcingChannelKeys is in utils shouldn't this be in chain/ ?
16:17 < BlueMatt> cause its a test util, not a public-consumption thing
16:17 < BlueMatt> it really should be in test_utils
16:18 < ariard> "eventually we will probably wants to expose a variant of this which.." I see a variant of this should be in chain/
16:28 < BlueMatt> right, yea, eventually.
16:29 < BlueMatt> but right now its def targeted locally.
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18:40 < ariard> BlueMatt: on the dust thing, I'm trying to come with something easy to understand at the config level
18:41 < ariard> so something like max_trusted_dust_value_satoshis, but at same time you want this to be a function of BackgroundFeerate
18:41 < ariard> to adapt to fee spikes, so max_trusted_dust would just a multiplicative base
18:42 < ariard> but doing so I fear that's meaningless for someone willingly to tweak it
18:43 < ariard> so maybe we could add a method on Config to "sanitize" it if passed value is too low for current feerate
18:44 < ariard> like UserConfig::CheckCurrentFeerate(FeeEstimator)
18:45 < BlueMatt> yea, especially when you need to consider it against *future* fees
18:46 < BlueMatt> i think my biggest issue with all of this is that what matters is fees-at-broadcast, a bit less fees-now
18:46 < BlueMatt> so it seema a bit naval-gaze-y
18:46 < BlueMatt> ariard: 559 needs rebase, it looks like?
18:48 < ariard> I agree what matters is fees-at-broadcast, issue I want solve here is someone is selecting value which doesn't make sense after a while
18:48 < ariard> because mempools have change a lot, and it blocks from opening new channel
18:49 < BlueMatt> ariard: I'm confused by your latest change to 559 - it doesnt appear to enforce anything?!
18:49 < BlueMatt> ariard: the point is that we need two *separate* codepaths in testing - the normal one that is called throughout the code still needs to be able to enforce the no-signing-multiple-local-txn requirement, the one that is called via the testing macro needs to not enforce that
18:49 < BlueMatt> which means we should never be changing the behavior of non-test code in cfg(test0
18:49 < BlueMatt> but we should have a new function that is only available in cfg(test)
18:50 < BlueMatt> right
18:52 < ariard> ah right so it's not a cfg(test)-version of sign_local_commitment we need but a cfg(test)-version of unsafe_sign_local_commitment only used for testing macro
18:52 < ariard> not enforcing that
18:53 < ariard> you may also want to sanitize things like min_funding_satoshis to avoid someone opening a channel which doesn't make economic sense anymore
18:54 < ariard> but there is two things a) agree on economic-rational channel parameters at opening b) keeping these values in check through channel lifecycle
18:55 < ariard> both should use fee_estimator hints, but given spec we can only do a) and we should prevent a dumb user config to hinder channel creation
19:02 < BlueMatt> yea, i mean i think in general we should Set Sane Defaults, Provide Good Documentation, and if the user *still* screws themselves, well...oh well
19:02 < BlueMatt> cause users may very well be opening a channel with a semi-trusted counterparty
19:29 < ariard> BlueMatt: updated 559 with a KeysInterface::unsafe_sign_local_commitment, also rebased
19:30 < ariard> yes let's try to have smart-enough-Sane-Defaults to avoid updating them at each fee spikes, so have to pass feerate to ChannelHandhsakeLimits::new()
20:27 < BlueMatt> yea, passing feerate there seems totally reasonable
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--- Log closed Thu Apr 16 00:00:53 2020