Refactor attribution helpers and commands #3125
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We update `Sphinx.scala` to shift hmacs differently to make it easier to implement trampoline attribution in follow-up PRs.
We group attribution data in a dedicated (optional) class for each command instead of always adding more fields, which requires updating a lot of test code whenever we need to change the contents. We take this opportunity to add the trampoline received at field, and update the pending commands DB.
thomash-acinq
previously approved these changes
Jun 30, 2025
eclair-core/src/main/scala/fr/acinq/eclair/wire/internal/CommandCodecs.scala
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thomash-acinq
approved these changes
Jun 30, 2025
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This PR contains two independent commits that add to
mastermore stuff from #3107 to minimize the diff in the trampoline work.In the first commit, we update the Sphinx helpers that create and decrypt attribution data.
In the second commit, we group attribution data in a dedicated (optional) class for each command (
CMD_FAIL_HTLCandCMD_FULFILL_HTLC) instead of always adding more fields, which requires updating a lot of test code whenever we need to change the contents. We take this opportunity to add thetrampoline_received_atfield, and update the pending commands DB.