LSP-Plugin: Add MPP support - #8948

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nepet:plugins/lsps2/mpp-fsm

Commits on Aug 21, 2026

plugins(lsps2): add session FSM for LSPS2 payment collection
nepet
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5bb5b20
plugins(lsps2): add session actor with action executor boundary
nepet
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be17713
plugins(lsps2): add session manager and unify HTLC handling
nepet
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a99b066
plugins(lsps2): add integration tests for session lifecycle
nepet
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75d5157
plugins(lsps2): add restart recovery for session persistence
nepet
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c71d0cd
plugins(lsps2): simplify DatastoreProvider to focused trait
nepet
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06924fd
plugins(lsps2): add EventSink trait for session event notification
nepet
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00a4925
plugins(lsps2): decouple lsps2 crate from CLN-specific types
nepet
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0d243fc
plugins(lsps2): simplify actor and session manager
nepet
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9e68cfd
plugins(lsps2): make collect timeout dev config
nepet
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b4c0a31
plugins(lsps2): route recovered sessions through forward_event path
nepet
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36297f7
lsps2: adding list_finalized_sessions to the DatastoreProvider

Oleh Fomenko
authored and
nepet
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7adf8ff
plugins(lsps2): fix onion failure codes sent when failing HTLCs
nepet
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bea0ae9
plugins(lsps2): key HTLCs by (incoming channel, htlc id)
nepet
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f916634
plugins(lsps2): forward replayed HTLCs to recovered sessions
nepet
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28ed3de
plugins(lsps2): prevent double channel funding for one payment hash
nepet
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793179d
plugins(lsps2): fail held HTLCs before cltv expiry, not after
nepet
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493664f
plugins(lsps2): spawn only one channel-poll task per session
nepet
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599a847
plugins(lsps2): harden recovery loop and fee-overflow handling
nepet
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7182dcb
plugins(lsps2): advertise client_trusts_lsp and validate payment size range
nepet
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2515cf3
plugins(lsps2): fix opening fee base and zero extra_fee TLV
nepet
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9f098d2
plugins(lsps2): make channel reserve opt-in and pin datastore compat
nepet
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2c8519d
plugins(lsps2): only abandon session once no forwarded parts remain
nepet
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1f476fc
plugins(lsps2): cleanups from review
nepet
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55aed02
plugins(lsps2): make finalize_session idempotent
nepet
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ac1791b
plugins(lsps2): only expire offers when starting a new session
nepet
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36df5e3
plugins(lsps2): always release funding inputs when abandoning
nepet
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1d2005f
pytest: cover finalize_session over an existing finalized entry
nepet
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f3464a8
docs: add experimental lsps options to config
nepet
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683f792
plugins(lsps2): Add u16 zero len to TEMPORARY_CHANNEL_FAILURE

nepet
and
nGoline
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eefbb9c
tests: wait for mempool on lsps2 tests

nepet
and
nGoline
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d099586
tests: relax collect timeout on lsps2 plugin tests
nepet
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6e498d6
tests: shorten long test name
nepet
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f96ae4d
plugins(lsps2): route parts by scid, not payment hash alone
nepet
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eae4b5b
plugins(lsps2): fund at most one channel per jit scid
nepet
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e1d2d81
plugins(lsps2): monitor recovered sessions for channel death
nepet
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af9a571
plugins(lsps2): release the channel when recovery finds all forwards failed
nepet
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b79a82b
plugins(lsps2): bound variable-amount payments by the policy size range
nepet
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995c06e
tests: channel_ready wait is bounded
nepet
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b052087