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lnwallet: fix panic on aux sig handling #9120

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Sep 19, 2024
Merged

lnwallet: fix panic on aux sig handling #9120

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5 changes: 5 additions & 0 deletions lnwallet/channel.go
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Original file line number Diff line number Diff line change
Expand Up @@ -5553,6 +5553,11 @@ func genHtlcSigValidationJobs(chanState *channeldb.OpenChannel,
// disk later.
sigType := htlcCustomSigType.TypeVal()
auxSig.WhenSome(func(sigB tlv.Blob) {
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@GeorgeTsagk GeorgeTsagk Sep 18, 2024 •
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This panic behavior was exposed on this litd itest

Not sure if I should do the nil check, as is now, or if I should instead correctly initialize the map.

This current diff seems to be satisfying for the itest linked above

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I think we should initialize the map correctly instead. Interestingly I ran into the same thing in part 3 of the rebased series today. I did the initialization on nil there.

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This is how it looks in master now:

			if htlc.CustomRecords == nil {
				htlc.CustomRecords = make(lnwire.CustomRecords)
			}

See 83fdbda

if htlc.CustomRecords == nil {
htlc.CustomRecords =
make(lnwire.CustomRecords)
}

htlc.CustomRecords[uint64(sigType)] = sigB
})

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