Use channel_reestablish tlv when sending channel_ready #3025
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When the remote node supports the 'your_last_funding_locked' tlv we do not need to always resend channel_ready when there are no channel updates. The tlv removes the ambiguity about whether our last channel_ready was received.
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I refactored the reestablish logic a bit so that sending I added two tests for the legacy (pre-splice) behavior and updated any other tests that expected the old behavior. |
t-bast
reviewed
Mar 4, 2025
eclair-core/src/main/scala/fr/acinq/eclair/channel/fsm/Channel.scala
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eclair-core/src/main/scala/fr/acinq/eclair/channel/fsm/Channel.scala
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eclair-core/src/test/scala/fr/acinq/eclair/channel/states/ChannelStateTestsHelperMethods.scala
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eclair-core/src/test/scala/fr/acinq/eclair/channel/states/ChannelStateTestsHelperMethods.scala
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...-core/src/test/scala/fr/acinq/eclair/channel/states/c/WaitForDualFundingReadyStateSpec.scala
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...-core/src/test/scala/fr/acinq/eclair/channel/states/c/WaitForDualFundingReadyStateSpec.scala
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eclair-core/src/test/scala/fr/acinq/eclair/channel/states/e/OfflineStateSpec.scala
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eclair-core/src/test/scala/fr/acinq/eclair/channel/states/e/OfflineStateSpec.scala
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eclair-core/src/test/scala/fr/acinq/eclair/channel/states/e/OfflineStateSpec.scala
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For consistency, "re-sending" log messages should use the spec name, not the internal type.
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Thanks for the feedback! I think it should all good now. |
t-bast
reviewed
Mar 5, 2025
eclair-core/src/test/scala/fr/acinq/eclair/channel/states/e/OfflineStateSpec.scala
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The `nodeParams` used when creating `alice` and `bob` during `init` did not use the init features set by `computeFeatures`.
t-bast
reviewed
Mar 6, 2025
eclair-core/src/test/scala/fr/acinq/eclair/channel/states/ChannelStateTestsHelperMethods.scala
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eclair-core/src/test/scala/fr/acinq/eclair/channel/states/ChannelStateTestsHelperMethods.scala
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t-bast
approved these changes
Mar 6, 2025
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When the remote node supports the
your_last_funding_lockedtlv we do not need to always resendchannel_readywhen there are no channel updates. The tlv removes the ambiguity about whether our lastchannel_readywas received.