EXPERIMENTAL: channel upgrade support#4532
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rustyrussell merged 16 commits intoElementsProject:masterfrom Jun 4, 2021
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EXPERIMENTAL: channel upgrade support#4532rustyrussell merged 16 commits intoElementsProject:masterfrom
rustyrussell merged 16 commits intoElementsProject:masterfrom
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rustyrussell
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cdecker
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Sorry for the rebase noise, but a merge caused the SQL files to conflict again. ACK 9fb05c0 |
cdecker
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Simple fix for sql non-portability, and rebased on new quiescence branch. |
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Rebase, and remove first patch (will go into separate PR, but only the rest was acked by @cdecker so I'd rather keep it simple) |
rustyrussell
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And as Lisa requested, add testcases. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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…ommitments. Just always handle both cases. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
It's a global. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
We don't handle our own cheat txs: rather than crash, we should just log broken and limp along. This also makes our upcoming penalty test easier: we don't have to spin up a new node. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
…hanges. For quiescence, we can't have sent any updates at all. But for upgrades on reconnection, we may have already added uncommitted HTLCs for retransmission, but they don't count towards "are we quiesced" since they're not sent yet. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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Fixed elements: we were not ignoring fee outputs in "onchaind: don't rely on knowing option_static_remotekey for unknown commitments.". |
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Ack d4809d8 (Since fix is trivial, and rest has been reviewed already) |
See lightning/bolts#868 Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
For now the only upgrade possible is to enable option_static_remotekey. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Since we will soon be able to activate it on existing channels, we need to mark the threshold. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
No longer a global "on" or "off", it depends on the commitment number. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
We don't actually set desired_type yet, but this handles it. Changelog-EXPERIMENTAL: Protocol: we can now upgrade old channels to `option_static_remotekey` from lightning/bolts#868 Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
…t already. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
…de of upgrade. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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Finally fixed all the dumb trivial stuff. Self-ack Ack 519adf7 |
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Based on #4520, though we don't currently use quiescence to force an upgrade.
This is an implementation of lightning/bolts#868, though much of it is more about the mechanics of the upgrade we actually end up supporting (option_static_remotekey).