--- Log opened Thu Jan 18 00:00:33 2024
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05:53 < instagibbs> it saves space if you're doing the CTV-like commitment to attain fast-forwards, otherwise we can save more vbytes(bad tradeoff imo)
05:53 < instagibbs> saving a few vbytes to make protocol more complex and more RTT is not good i mean
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07:29 < Ademan> thanks! I suppose it depends on the significance of the impact on RTT imho. https://twitter.com/Polyd_/status/1693668470775320618 This in particular (seems) to claim a pretty significant space savings from batched channel opens, but I just don't understand how it could work. When somebody needs to close, they have to publish the ctv-committed batch transaction, plus the channel close, afaict... that 
07:29 < Ademan> would make it (marginally? 32 + 2 bytes?) more (?) space inefficient across the entire lifetime of a channel I think? they have an article I haven't finished reading that might answer this question though. Unless the idea is to permit cut through by putting the CTV in tapscript and having participants in the batch open sign for the cut through transaction by collaboratively signing n-of-n for the 
07:29 < Ademan> taproot output key. but afaict that would then require channel partners to also be a party to the batch open, since allowing cut-through without their signature would double spend what is supposed to commit to their channel open tx
07:30 < instagibbs> to be more precise it only adds extra vbytes on uncoop close, not "lifetime of channel"
07:30 < instagibbs> mo RTT -> mo state machine -> mo problems
07:32 < Ademan> was the "lifetime of channel" clarification WRT the wall of text I just shared or my original question?
07:32 < instagibbs> you said the phrase twice above, was just clarifying the relative impact
07:34 < Ademan> got it, all of the joins/parts have completely filled my scrollback hah
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07:40 < instagibbs> :)
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16:05 < Ademan> instagibbs: thanks for humoring me, I'm not exactly convinced but the total profit available to an attacker isn't that much in aggregate so maybe that's protective?
16:07 < Ademan> it just still feels like a problem if it can be profitable on the margin, but it depends on success rate too, and maybe I've picked a bad range for that?
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--- Log closed Fri Jan 19 00:00:33 2024