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Gate new splice tlvs on remote support for splicing (#3031)

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We do not send splice TLVs to peers that do not advertise splice support to avoid an issue with CLN using the splice TLVs for testing the (experimental) channel upgrade feature.
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Richard Myers 2025-03-10 17:42:05 +01:00 • committed by GitHub
parent 722c9ffac4
commit 26f06c955b
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2 changed files with 5 additions and 1 deletions
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3
eclair-core/src/main/scala/fr/acinq/eclair/channel/fsm/Channel.scala
View file

@ -2275,9 +2275,10 @@ class Channel(val nodeParams: NodeParams, val wallet: OnChainChannelFunder with
}
case _ => Set.empty
}
val lastFundingLockedTlvs: Set[ChannelReestablishTlv] =
val lastFundingLockedTlvs: Set[ChannelReestablishTlv] = if (d.commitments.params.remoteParams.initFeatures.hasFeature(Features.SplicePrototype)) {
d.commitments.lastLocalLocked_opt.map(c => ChannelReestablishTlv.MyCurrentFundingLockedTlv(c.fundingTxId)).toSet ++
d.commitments.lastRemoteLocked_opt.map(c => ChannelReestablishTlv.YourLastFundingLockedTlv(c.fundingTxId)).toSet
} else Set.empty
val channelReestablish = ChannelReestablish(
channelId = d.channelId,

3
eclair-core/src/test/scala/fr/acinq/eclair/channel/states/e/OfflineStateSpec.scala
View file

@ -945,6 +945,7 @@ class OfflineStateSpec extends TestKitBaseClass with FixtureAnyFunSuiteLike with
// Alice will resend her channel_ready on reconnection because the channel hasn't been used for any payment yet (pre-splice behavior).
alice2bob.expectMsgType[ChannelReady]
bob2alice.expectMsgType[ChannelReady]
alice2bob.expectNoMessage(100 millis)
// we update the channel
@ -1015,6 +1016,8 @@ class OfflineStateSpec extends TestKitBaseClass with FixtureAnyFunSuiteLike with
bob2alice.expectMsgType[ChannelReestablish]
bob2alice.forward(alice)
alice2bob.forward(bob)
bob2alice.expectMsgType[ChannelReady]
bob2alice.forward(alice)
// Alice will NOT resend their channel_ready at reconnection because she has received bob's announcement_signatures (pre-splice behavior).
alice2bob.expectNoMessage(100 millis)