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18:08 < rachelfish> zap 
18:08 <+roasbeef> snap
18:09 <+roasbeef> crackle
18:09 < rachelfish> heya! :)
18:10 < Emcy> settel an argument
18:10 < rachelfish> so... I'm curious, when lnd routes a payment, does it independently verify the pubkeys / channel size using the channel point transaction of every hop?
18:10 <+roasbeef> independently meaning? 
18:10 <+roasbeef> when we add a channel we've already verified it 
18:10 <+roasbeef> so then routing is the path finding, making the onion blob, and sending it out 
18:11 < rachelfish> I mean... using the on chain data. You don't rely on the other nodes you're connected to to give their keys / channel size? 
18:11 <+roasbeef> so it gets advertisements of channels from peers (this is a spec level thing BOLT 08), and then verifies that with on chain data 
18:11 <+roasbeef> to ensure the channel actually exists, doesn't have inaccurate policies, etc 
18:11 < rachelfish> Ah okay, that's what I thought
18:12 < rachelfish> So it does need the on chain data to actually trust the information it's getting from the peers?
18:12 <+roasbeef> by default most nodes won't accept channels that don't have on-chain data as it's a dos/sybil vector
18:13 < rachelfish> Thank you for the explanation!
18:13 <+roasbeef> some clients skip validation all together 
18:13 < Emcy> huh this is interesting
18:13 < Emcy> i understand now
18:13 <+roasbeef> pm7: what does eclair set for max_htlc in channel udpate these days? 
18:13 <+roasbeef> pm7: i see your max inflight is a static value, which we realized we'd reject since it can be greater than the actual channel capacity 
18:14 <+roasbeef> we've observed that CL nodes will just set max uint64 for max_htlc in channel update, which kidna defeats the purpose of it in the first place... 
18:15 < Emcy> roasbeef if i can ask, how does verifying channels with on chain data work when the relevant chain txs are stealthed using schnoor signatures
18:15 <+roasbeef> those "stealth" channels may not even be used for routing, in which case the network doesn't need to verify them 
18:16 <+roasbeef> even then, we can request the constituent pubkeys can verify their combined pubkey
18:16 <+roasbeef> bolt 1.1 has it in the cards to switch to those for newer network announcemntes iirc
18:16 <+roasbeef> makes things smaller 
18:16 <+roasbeef> same pubkeys, but diff signature 
18:17 < Emcy> so publicly routable channels wont be able to be 'stealthed' with schnoor sigs, its only really for private channels?
18:21 <+roasbeef> well they're smaller (so cheaper) and anon set wise they'll blend in with eventual schnorr stuff 
18:21 <+roasbeef> today, ppl can use 2p ecdsa to blend in even more 
18:21 < Emcy> ok. thanks for your time you settled an argument
18:21 <+roasbeef> it'll take a few years for schnorr to be used in a widespread manner as it's new signing code even, sighash calc may be modified as well, not al lfinal yet 
18:21 <+roasbeef> heh np 
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--- Log closed Sat Feb 02 00:00:38 2019