Fellow LND node operators:
Do not use unconfirmed funds to open new channels for now.
Due to a bug in LNDs coin selection process you might end up funding that channel with already spend coins, borking your balances.
Please retweet for visibility. github.com/lightningnetwo…
Do not use unconfirmed funds to open new channels for now.
Due to a bug in LNDs coin selection process you might end up funding that channel with already spend coins, borking your balances.
Please retweet for visibility. github.com/lightningnetwo…
This is what will happen if you're affected: Your node tries to open a channel. The channel funding transaction gets rejected (due to it using already spent funds) but it won't realize that. You'll end up with a pending channel that will never confirm and missing on-chain funds.
If this already happened to you, you need to:
(1) Reinitialize your LND wallet by starting LND with
reset-wallet-transactions=true
(2) abandon the pending channels that have invalid opening transactions
(1) Reinitialize your LND wallet by starting LND with
reset-wallet-transactions=true
(2) abandon the pending channels that have invalid opening transactions
The cause for this bug is 330 sat anchor transactions being swept and LND still thinking they're just unconfirmed. 
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