Chantools recovery n00b question #131
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Hi All, I ended up using the chantools. I'm not technical enough to understand anything in there but I was able to follow a youtube video on the topic which helped me install chantools and run the triggerforeclose command (https://www.youtube.com/watch?v=OcObiknVX5w). I got the forceclose transaction IDs showing up in mempool but it hasn't moved beyond this stage. Does everything look good to those who are knowledgeable?
Lastly, I have one TOR channel peer that I can't seem to figure out how to triggerforceclose with chantools. Any ideas and/or suggestions on where to proceed next? |
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Replies: 3 comments 22 replies
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The force close transactions are now in the mempool. The next steps will be:
For the Tor channel, you can use the just released version |
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Thanks for responding Guggero! I trield this several times using the guide as well as your previous guidance to someone else here. This is my exact line: ./chantools pullanchor --anchoraddr bc1p5967a4usg3l6ywk7t6v2f7alswu2lnte54uzutd9ng3nsra5gh7qumcnut --sponsorinput dc021c7114a0f0dfae9ad592a67db3874a7f2cfc9024a789eda2d50dcf91967d:0 --changeaddr bc1qnfjw0daeqlazq067sa5fwt7j97mfxxnwxh7c89 --feerate 30 This is the error I received: "error adding anchor inputs: could not find key for anchor address bc1p5967a4usg3l6ywk7t6v2f7alswu2lnte54uzutd9ng3nsra5gh7qumcnut: no matching pubkeys found" I can see the address in in Mempool so I'm at a loss as to what I I'm doing wrong: https://mempool.space/address/bc1p5967a4usg3l6ywk7t6v2f7alswu2lnte54uzutd9ng3nsra5gh7qumcnut |
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I think I see the problem. None of my 62 character length UTXO's start with "bc1q". They all start with "bc1p". All my other UTXO's that start with "bc1q" are only 42 characters in length. So how do I create a UTXO that starts with bc1q that is 62 characters long that I can use for the pullanchor command. Did I get this right? |
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You're using the wrong |
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Hi Guggero, I was able to inch forward with your guidance. However, the next step is also giving me problems. umbrel@umbrel:~/chantools-linux-arm64-v0.13.0$ ./chantools sweepremoteclosed --recoverywindow 300 --feerate 25 --sweepaddr bc1qxjmycglvyrynwu7a2qqz3gx90ef3mcu9np0x3s --publish Error: could not query API for addresses with funds: could not query unspent: error decoding data from API 'https://blockstream.info/api/address/bc1qhu0l0j6g66qdttn2c4dmld7q8420vjudsq6vreqdgep6hlne0e9sq077n3', server might be experiencing temporary issues, try again later; error details: invalid character '<' looking for beginning of value I promise to teach other people in the umbrel community when you help me through this! :) 🙏🙏🙏 |
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I think Umbrel already runs a Tor service. You just need to find out on what port it runs and how it's accessible. |
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I installed Tor on another computer and the triggerforceclose worked!
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Unfortunately I have not been able to make progress despite having confirmed the steps 1 and 2 below for all channels.
2024-05-04 01:14:30.785 [INF] CHAN: chantools version v0.13.1 commit I read a bit about this error-type here: Is it possible that I have transactions that are in conflict in the mempool? https://mempool.space/tx/48787a14c73f58fc92b0a76bcacfae8373af7136be1f8db5b3f79307b0db5dbe What would be another approach? Or do I have to wait for my transactions to be cleared from the mempool on their own? |
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Cool that the So you must use the |
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Hi Guggero, I hope you're doing well. I have a question regarding the use of chantools that I was hoping you could help with. As you can see from this link, I currently have three active channels. Despite using the SCB and chantools, I've been unable to close these channels. I also tried an earlier attempt 1 week ago here which was also not successful. Strangely, in the example from 1 week ago, I had 4 unspent outputs which is odd because I only have 3 now. With so many attempts already made, I'm considering waiting for the mempool to clear my transactions before attempting to reset the process. Would you advise this approach, or do you suggest another course of action? Thank you for your guidance. Best regards, |
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Hi Guggero, I have 3 out of my 4 channels closed and confirmed with only one channel left that I can't seem to close. This is the channel remaining which you can see here I tried to close this channel 4 weeks ago and the original transaction is here It looks like the mempool fees have gone down to 10.1 sat/vB but it still hasn't confirmed. This evening I tried to do the triggerforceclose command again and this was the result: umbrel@umbrel:~/chantools-linux-arm64-v0.13.1$ ./chantools triggerforceclose --peer 02f1a8c87607f415c8f22c00593002775941dea48869ce23096af27b0cfdcc0b69@52.13.118.208:9735 --channel_point 6dcd45f254f12306725b3657c1fb6253525d6c12a7eeb68643b6110c1ccc97b5:1 Input your cipher seed passphrase (press enter if your seed doesn't have a passphrase): My attempt to do the pull anchor command with the original transaction ID gave the following error: umbrel@umbrel: Input your cipher seed passphrase (press enter if your seed doesn't have a passphrase): Any guidance on how to proceed would be greatly appreciated! Thanks, |
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LAST UPDATE!!! My last channel closed. Persistence paid off. FUNDS ARE SAFU!! Thank you Guggero! |
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Cool, yeah, I saw that the transaction confirmed a few blocks ago. Very nice! |
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Recovering Channel Funds with Chantools: A Beginner's Guide Hello! If you're a newbie stuck in the process of recovering funds from closed Lightning Network channels, this guide is for you. I've learned quite a bit through this journey and received immense support from @guggero, whose contributions to chantools have been invaluable. Here’s a step-by-step guide to help you through: Step 1: Trigger Force Close MY SPECIFIC EXAMPLE: umbrel@umbrel:~/chantools-linux-arm64-v0.13.1$ ./chantools triggerforceclose --peer 03864ef025fde8fb587d989186ce6a4a186895ee44a926bfc370e2c366597a3f8f@3.33.236.230:9735 --channel_point 8c1acbc8e6d42bd0ec8ce4743beea1a0a38e5551a8e02cf005b248a0a46b2a37:1 Find the peer's IP on platforms like 1ml.com. If there’s no IP, the process might get tricky, requiring alternative methods to contact the peer or close channels (more on that at the end). Let's continue assuming you have found your peer's IP.
Your channel point can also be found here by looking at the channel tab: There will be an output like this that will give you your transaction ID: Assuming you successful Step 2: Pull Anchor After successfully force-closing your channels, use this command to pull the anchor: MY SPECIFIC EXAMPLE: umbrel@umbrel:~/chantools-linux-arm64-v0.13.1$ ./chantools pullanchor --anchoraddr bc1quevkxg25hsj0y0tvwqxlupxy27xpntf6aqcz3mw9k2cn8ly8vytsfy7xrd --sponsorinput dc021c7114a0f0dfae9ad592a67db3874a7f2cfc9024a789eda2d50dcf91967d:0 --changeaddr bc1qxjmycglvyrynwu7a2qqz3gx90ef3mcu9np0x3s --feerate 30) Locate the anchor address and sponsorinput by exploring the transaction details in a block explorer like mempool.space. Here is my specific example: https://mempool.space/tx/12f08e21ab674c7dd7f8d7000a57709d17e0c40e612ac92fe4d51afd06b791c2 The --anchorddr is either one of the two 0.00000330 BTC addresses that I circled here: Note: if your command fails, try again with the alternative address and see if it works. A --sponsorinput can be found by running lncli listunspent and choosing one of the addresses that's large enough --changeaddr is your BTC wallet address or you can put in fromseed Step 3: Sweep Remote Closed This command helps you sweep funds from remotely closed channels: MY SPECIFIC EXAMPLE: --sweepaddr is your BTC wallet address or you can put in fromseed Ensure all listed addresses in your outputs are confirmed to successfully run this command. If your attempt In my case, I needed to use the gugger.guru API. Here's what the command looked like: MY SPECIFIC EXAMPLE #2: If it works it should look like this:
Each unspent output address can be found in your original Triggerforcelcose ID's: Note on Executing Sweepremoteclosed: May you encounter no issues in obtaining the IP addresses for your counterpart's node and find this guide useful. Goodluck! |
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Cool that the
triggerforceclosecommand worked! Now you just have to confirm the 4 transactions. You will always get thenon-BIP68-finalerror as long as any of the 4 transactions says "unconfirmed" on mempool.space.So you must use the
pullanchorcommand to get them confirmed (or wait until they do on their own, which could still take quite a while with the current mempool conditions).