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lightningdevkit / rust-lightning Public

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Full Trampoline Support#4414

Draft

carlaKC wants to merge 49 commits intolightningdevkit:mainlightningdevkit/rust-lightning:mainfrom

carlaKC:2299-end-to-endcarlaKC/rust-lightning:2299-end-to-endCopy head branch name to clipboard

Conversation Commits49 (49)Checks Files changed

Draft

Full Trampoline Support#4414
carlaKC wants to merge 49 commits intolightningdevkit:mainfrom
carlaKC:2299-end-to-end

Commits

Commits on Mar 17, 2026

ln: add previous_hop_data helper for HTLCSource
carlaKC
committed
ln: remove incoming trampoline secret from HTLCSource
carlaKC
committed
ln: rename trampoline shared secret and populate in HTLCPreviousHopData
carlaKC
committed
ln: store incoming mpp data in PendingHTLCRouting
carlaKC
committed
ln: use total_msat to calculate the amount for our next trampoline
carlaKC
committed
ln: use outer onion cltv values in PendingHTLCInfo for trampoline
carlaKC
committed
ln: store next trampoline amount and cltv in PendingHTLCRouting
carlaKC
committed
ln: use outer onion values for trampoline NextPacketDetails
carlaKC
committed
ln/refactor: move mpp timeout check into helper function
carlaKC
committed
ln/refactor: move on chain timeout check into claimable htlc
carlaKC
committed
ln: add Trampoline variant to OnionPayload
carlaKC
committed
ln: add awaiting_trampoline_forwards to accumulate inbound MPP
carlaKC
committed
ln/refactor: move checks on incoming mpp accumulation into method
carlaKC
committed
ln: move receive-specific failures into fail_htlc macro
carlaKC
committed
ln: add trampoline mpp accumulation with rejection on completion
carlaKC
committed
ln: double encrypt errors received from downstream failures
carlaKC
committed
ln: handle DecodedOnionFailure for local trampoline failures
carlaKC
committed
blinded_path/refactor: make construction generic over forwarding type
carlaKC
committed
blinded_path: add constructor for trampoline blinded path
carlaKC
committed
ln/refactor: pass minimum delta into check_incoming_htlc_cltv
carlaKC
committed
ln: process added trampoline htlcs with CLTV validation
carlaKC
committed
ln/test: add multi-purpose trampoline test helper
carlaKC
committed
ln/test: add test coverage for MPP trampoline
carlaKC
committed
ln: add trampoline forward info to PendingOutboundPayment::Retryable
carlaKC
committed
ln: thread trampoline routing information through payment methods
carlaKC
committed
ln: add blinding point to new_trampoline_entry
carlaKC
committed
ln function to build trampoline forwarding onions
carlaKC
committed
ln: support trampoline in send_payment_along_path
carlaKC
committed
ln: add send trampoline payment functionality
carlaKC
committed
ln: surface trampoline error packet it could not decrypt
carlaKC
committed
[wip] ln: add trampoline htlc failure logic to outbound payments
carlaKC
committed
ln: add claim_trampoline_forward to mark trampoline complete
carlaKC
committed
ln: handle trampoline payments in finalize_claims
carlaKC
committed
ln: only fail trampoline payments backwards when payment state ready
carlaKC
committed
ln: claim trampoline payment on completion
carlaKC
committed
ln: use correct blinding point for trampoline payload decodes
carlaKC
committed
ln: allow reading HTLCSource::TrampolineForward
carlaKC
committed
ln: add trampoline payment dispatch after inbound accumulation
carlaKC
committed
ln/test: only use replacement onion in trampoline tests when needed
carlaKC
committed
[deleteme]: remove assertion that fails on unblinded test
carlaKC
committed
[wip]ln: pass trampoline secret to construct_pending_htlc_fail_msg
carlaKC
committed
[wip]: forwarding tests with messy replacement onion code
carlaKC
committed
[wip]: track already_forwarded_htlcs by full HTLCSource
carlaKC
committed
[wip]: support muti-out sources in inbound_forwarded_htlcs
carlaKC
committed
[wip]: pass full HTLCSource through in committed_outbound_htlc_sources
carlaKC
committed
[wip] dedup trampoline forwards with failed_htlcs
carlaKC
committed
[wip] persist trampoline information in InboundUpdateAdd
carlaKC
committed
[wip] return trampoline forwards in inbound_forwarded_htlcs
carlaKC
committed
[wip]: return trampoline forwards from outbound_htlc_forwards
carlaKC
committed

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