Track in-flight splices for failure reporting and crash recovery - #1080

Draft

jkczyz wants to merge 31 commits into

lightningdevkit:mainfrom

jkczyz:2026-08-splice-tracking

Commits on Sep 21, 2026

Only adopt a funding payment's own transactions from wallet sync

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129005a

Commits on Sep 25, 2026

Retry funding-broadcast classification instead of dropping it

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6dfa047
f - Retry funding-broadcast classification instead of dropping it

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c412658
Fail funding payments lost to a confirmed conflict

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767855c

Commits on Sep 29, 2026

f - Fail funding payments lost to a confirmed conflict

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5302517
Record splice funding payments when signing

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df754eb
Resolve funding payments when LDK discards a splice round

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f - Resolve funding payments when LDK discards a splice round

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f - Resolve funding payments when LDK discards a splice round

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4765e53
Resolve a transaction to the record that owns it before one listing it as a conflict

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717d389
Take the funding re-broadcast trace from the write's own read

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2f61298
Have funding-record writers take a guard only the funding lock issues

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Put the wallet's payment stores behind an API that locks their writers

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80556d3
Assign random PaymentIds to funding records

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f - Assign random PaymentIds to funding records

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f - Assign random PaymentIds to funding records

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e982357
Model pending payments as an enum for pre-broadcast splices

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f - Model pending payments as an enum for pre-broadcast splices

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Adopt the splice-time PaymentId when recording a splice

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229d8d9
Merge sync-created duplicates when recording a funding round

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bbed3c7
Persist splice intents until the splice locks

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f - Persist splice intents until the splice locks

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f - Persist splice intents until the splice locks

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155e411
f - Persist splice intents until the splice locks

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871b474
Abort a splice when funding signing fails

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e7e31a5
Add reason and splice parameters to splice failure events

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aa03cb8
Unlock lost splice inputs at startup

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e555687
f - Unlock lost splice inputs at startup

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f - Unlock lost splice inputs at startup

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915951d
Test splice failure surfacing and recovery

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7d44d62
f - Test splice failure surfacing and recovery

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f597be8