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71 sats \ 5 replies \ @OT 10 Jan \ on: (Payment stuck) Issue with Phoenix wallet? bitcoin_support

I think you paid an onchain TX. Phoenix moved to a new model in 2023 when they introduced splicing.

https://acinq.co/blog/phoenix-splicing-update

I have been caught out on this without realizing that my channel size was significantly reduced after paying an onchain TX.

It could also have been that if you didn't open the Phoenix app (did you say for a year?!) the hold invoice may never have resolved.

That's what I think happened.

21 sats \ 2 replies \ @aliceandthewonderland OP 10 Jan

I think I wasn’t clear enough in my explanation—my apologies. When I attempted to pay sats to the Hodl invoice generated by LN Proxy through Strike, the payment didn’t go through immediately. Instead, Strike displayed the status as “payment initiated” for about 40 minutes. Concerned about the delay, I checked my Phoenix wallet and noticed that my inbound channel liquidity had suddenly dropped from 470,000 to 250,000 sats. This was why I initially thought that LN Proxy’s inability to pay my Phoenix invoice because of liquidity issue and obtain the preimage led to the Strike payment being stuck in limbo.

I use my Phoenix wallet almost daily, and I had specifically checked my inbound liquidity before generating the invoice to avoid any splice-in fees. This makes me wonder if this issue might have had nothing to do with an on-chain transaction, as there were no on-chain transactions between Strike, LN Proxy, and my Phoenix wallet.

1021 sats \ 1 reply \ @OT 10 Jan

Have a look in your Phoenix wallet > settings > payment channels. Have a look at the Funding TX and see if it spliced out on that LN payment.

I have used hold invoices on Phoenix before so it shouldn't be a problem with them. I haven't used LN Proxy, maybe something happened there that triggered the splice out.

0 sats \ 0 replies \ @aliceandthewonderland OP 11 Jan

Have a look in your Phoenix wallet > settings > payment channels. Have a look at the Funding TX and see if it spliced out on that LN payment.

Yep, you were right, I did splice out some funds, and it led to dropping channel size. Thanks it helped me a lot to study.

13 sats \ 0 replies \ @nym 10 Jan

That sounds likely.

0 sats \ 0 replies \ @DarthCoin 10 Jan

This is most likely. I saw this case once.