[Splicing] Tx negotiation during splicing#3736
Merged
wpaulino merged 9 commits intolightningdevkit:mainfrom Jul 31, 2025
Merged
[Splicing] Tx negotiation during splicing#3736wpaulino merged 9 commits intolightningdevkit:mainfrom
wpaulino merged 9 commits intolightningdevkit:mainfrom
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Implementation of transaction negotiation during splicing.
Builds on 3407 and 3443.
No new phase,Funded(FundedChannel)is used throughout splicingFundedChannelandPendingV2Channelcan act as a transaction constructorPendingV2Channellogic is put behind a trait --FundingTxConstructorV2RenegotiatingScopeis used to store extra state during splicingFundingChannelcan act as aFundingTxConstructorV2, using the state fromRenegotiatingScope(if present)Since bothFundedChannelandFundingTxConstructorhas context(), context accessors are extracted into a common base trait,ChannelContextProvider(it is also shared byInitialRemoteCommitmentReceiver).(Also relevant: #3444)