Recover a forced close channel \ stacker news ~lightning

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144 sats \ 9 comments \ @haimot 9 Jul 2024 lightning

I stopped running a node and forced close channel in LND in start9 about three months ago. A forced close channel takes 2 weeks so I turned off my node and leave it there.

Recently I run again my LND in start9 and got this issue: '2024-07-09T09:02:56+07:00 2024-07-09 02:02:56.630 [ERR] RPCS: unable to populate arbitrator force close resp, unable to find arbitrator 2024-07-09T09:02:56+07:00 2024-07-09 02:02:56.630 [ERR] RPCS: [/lnrpc.Lightning/PendingChannels]: unable to find arbitrator'

Anyone have an idea on how to deal with this and recover the fund?

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21 sats \ 1 reply \ @sudonaka 9 Jul 2024

After the channel close is confirmed you can use the seed backup to restore the node into a fresh LND install. Not in strt9 just install LND directly on a node so you can use commands and restore the seed.

Not sure if you can access lncli from start9. I know you can exit the gui menu and use commands from a raspiblitz if you still want to use some kind of pre roll node.

https://github.com/raspiblitz/raspiblitz

Anyway the point is to learn the commands:

https://docs.lightning.engineering/lightning-network-tools/lnd/wallet

https://docs.lightning.engineering/lightning-network-tools/lnd/disaster-recovery

0 sats \ 0 replies \ @haimot OP 9 Jul 2024

I check the forced close transaction and it is confirmed, my output not spent. I guess that using backup seeds alone may help to recover fund, I don't know how to get the channel backup file from LND start9 yet.

21 sats \ 5 replies \ @versieboer 9 Jul 2024

I asked a friend who knows more about it than me. He said to recommend that you look into chantools, which may help? https://github.com/lightninglabs/chantools

21 sats \ 0 replies \ @south_korea_ln 9 Jul 2024

chantools is pretty useful indeed. But it's not plug-and-play, you need to know what you're doing...

0 sats \ 2 replies \ @haimot OP 9 Jul 2024

Thanks, I'll look into it.

21 sats \ 1 reply \ @1GLENCoop 9 Jul 2024

I had problems when I shut down a LND node a while back. It was over my head technically difficult, but I also heard about chantools before I gave up on trying to figure it out. I ended up enlisting help from a trusted bitcoiner / node operator; Semisol. Semisol is usually on Nostr.

You can find him as npub12262qa4uhw7u8gdwlgmntqtv7aye8vdcmvszkqwgs0zchel6mz7s6cgrkj. He's trustworthy enough to help with lost sats, from my experience. Not sure if he has the time to hunt down more lost sats, but it's worth a shot to ask him.

I'm 99.99% sure he used chantools somehow to recover my stuck sats.

1 sat \ 0 replies \ @haimot OP 9 Jul 2024

Great, I will contact him

0 sats \ 0 replies \ @1GLENCoop 9 Jul 2024

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0 sats \ 0 replies \ @haimot OP 19 Jul 2024

Update: I got a new node and synced a full Bitcoin node and then I recovered the LND from the backup files of start9 (emergency mode recovery), waited for a few hours for LND to sync and the forced close fund showed up.