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06:34 < tempuser5702> was forwarded here from #bitcoin, I have a concern that I hope someone can put to rest
06:36 < tempuser5702> is there any failsafe from previous lightning channel transactions being published to the blockchain in case of a clogged mempool delaying the channel close transaction, allowing for the timelock on previous return transactions to expire
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06:39 < JackH> channel open and closure is based on blocks, not mempool
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08:53 -github-lnd:#lnd- [lnd] halseth opened pull request #247: Always propagate self node announcement  (master...flake-updated-node-announcement) https://git.io/v7Ka9
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08:55 < lightningbot2> <johan> the close transaction can be made `replace-by-fee`, making it possible to bump the fee in case of a big backlog
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10:57 <@roasbeef> building on what they said, it's possble to go into a "scortched earth" mode, wherein the node on the receiving side of a contract breach ensures they're made whole, then bleed more and more of the offender's balance into mining fees
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12:49 < cdecker> roasbeef, did something change with the grpc code? I have updated to HEAD and now my python client results in failed handshakes: "tls: first record does not look like a TLS handshake"
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12:58 <@roasbeef> cdecker: yeh we require TLS now
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12:58 < cdecker> Weird, didn't know you could do GRPC without TLS at all
12:59 < cdecker> It's based on HTTP/2 which is TLSd by default isn't it?
12:59 <@roasbeef> cdecker: lnd auto-generates the cert file in its home directory
12:59 <@roasbeef> iirc they wanted to make it TSL by default, but then back tracked on it
12:59 <@roasbeef> similar to how folks want to allow key-re-use in TLS 1.3 so net admins can more easily to MiTM stuff
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12:59 < betawaffle> :/     
12:59 <@roasbeef> kek     
12:59 < betawaffle> people suck
13:01 < cdecker> Yeah, that's weird I was assuming stuff to be TLSd always, need to fix that
13:09 < cdecker> Aaaaargh: tls: no cipher suite supported by both client and server
13:10 < aakselrod> we're using P521 curve and SHA-256 for signatures... i did submit a PR to roasbeef/btcsuite to change it to P256, which boringssl can handle
13:11 < aakselrod> you can self-sign a cert manually instead for now if you want
13:11 < betawaffle> P521 ewww
13:11 < betawaffle> nsa backdoored crap
13:11 < aakselrod> it's what btcutil uses, we used their function
13:12 < aakselrod> they recently added a curve parameter to their function to generate a TLS cert, but btcd still sets it to P521
13:13 < aakselrod> er, ARE we using sha-256 for signatures? i'm not sure now...
13:13 < aakselrod> i did in a manually self-signed cert
13:13  * aakselrod re-generates a cert with lnd and checks
13:14 < aakselrod> default of P521 and SHA512
13:15 < aakselrod> if you manually self-sign a P256 and SHA256 cert, it should work with a wider selection of client SSL libraries
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16:32 -github-lnd:#lnd- [lnd] Roasbeef pushed 4 new commits to master: https://git.io/v76BX
16:32 -github-lnd:#lnd- lnd/master d38b447 Olaoluwa Osuntokun: server: if a fresh announcement is requested, ensure seqno increases
16:32 -github-lnd:#lnd- lnd/master 8cda421 Olaoluwa Osuntokun: lnwire: add new error code for rejecting a channel that's too large
16:32 -github-lnd:#lnd- lnd/master 203d038 Olaoluwa Osuntokun: funding: enforce the 2^24 satoshi funding limit in BOLT-0002
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16:43 <@roasbeef> cdecker: ahh ok, you need to set the env variable to _force_ compat: export GRPC_SSL_CIPHER_SUITES=ECDHE-ECDSA-AES256-GCM-SHA384
16:44 <@roasbeef> by default iirc go only advertises those ciphers for TLS 1.2, so you need to give the python gRPC implemetnation a hint
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