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4
Makefile
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@ -80,3 +80,7 @@ fmt:
lint: $(LINT_BIN)
@$(call print, "Linting source.")
$(LINT)
docs: install
@$(call print, "Rendering docs.")
chantools doc

602
README.md
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@ -7,25 +7,6 @@
* [Seed and passphrase input](#seed-and-passphrase-input)
* [Command overview](#command-overview)
* [Commands](#commands)
+ [chanbackup](#chanbackup)
+ [compactdb](#compactdb)
+ [derivekey](#derivekey)
+ [dumpbackup](#dumpbackup)
+ [dumpchannels](#dumpchannels)
+ [filterbackup](#filterbackup)
+ [fixoldbackup](#fixoldbackup)
+ [genimportscript](#genimportscript)
+ [forceclose](#forceclose)
+ [removechannel](#removechannel)
+ [rescueclosed](#rescueclosed)
+ [rescuefunding](#rescuefunding)
+ [showrootkey](#showrootkey)
+ [signrescuefunding](#signrescuefunding)
+ [summary](#summary)
+ [sweeptimelock](#sweeptimelock)
+ [sweeptimelockmanual](#sweeptimelockmanual)
+ [vanitygen](#vanitygen)
+ [walletinfo](#walletinfo)
This tool provides helper functions that can be used to rescue funds locked in
`lnd` channels in case `lnd` itself cannot run properly anymore.
@ -83,7 +64,7 @@ file based backup or the recovered file from the crashed node).
[this](https://github.com/lightningnetwork/lnd/issues/3473) or
[this](https://github.com/lightningnetwork/lnd/issues/4102), it is possible
that a simple compaction (a full copy in safe mode) can solve your problem.
See [`chantools compactdb`](#compactdb).
See [`chantools compactdb`](doc/chantools_compactdb.md).
<br/><br/>
If that doesn't work and you need to continue the recovery, make sure you can
at least extract the `channel.backup` file and if somehow possible any version
@ -164,7 +145,7 @@ file based backup or the recovered file from the crashed node).
`chantools` thinks are still open. This is achieved by publishing the latest
known channel state of the `channel.db` file.
<br/>**Please read the full warning text of the
[`forceclose` command below](#forceclose) as this command can put
[`forceclose` command below](doc/chantools_forceclose.md) as this command can put
your funds at risk** if the state in the channel DB is not the most recent
one. This command should only be executed for channels where the remote peer
is not online anymore.
@ -261,537 +242,60 @@ Your BIP32 HD root key is: xprv9s21ZrQH1...
```text
Usage:
chantools [OPTIONS] <command>
chantools [command]
Application Options:
--testnet Set to true if testnet parameters should be used.
--apiurl= API URL to use (must be esplora compatible). (default: https://blockstream.info/api)
--listchannels= The channel input is in the format of lncli's listchannels format. Specify '-' to read from stdin.
--pendingchannels= The channel input is in the format of lncli's pendingchannels format. Specify '-' to read from stdin.
--fromsummary= The channel input is in the format of this tool's channel summary. Specify '-' to read from stdin.
--fromchanneldb= The channel input is in the format of an lnd channel.db file.
Help Options:
-h, --help Show this help message
Available commands:
chanbackup Create a channel.backup file from a channel database.
compactdb Open a source channel.db database file in safe/read-only mode and copy it to a fresh database, compacting it in the process.
derivekey Derive a key with a specific derivation path from the BIP32 HD root key.
dumpbackup Dump the content of a channel.backup file.
dumpchannels Dump all channel information from lnd's channel database.
filterbackup Filter an lnd channel.backup file and remove certain channels.
fixoldbackup Fixes an old channel.backup file that is affected by the lnd issue #3881 (unable to derive shachain root key).
forceclose Force-close the last state that is in the channel.db provided.
genimportscript Generate a script containing the on-chain keys of an lnd wallet that can be imported into other software like bitcoind.
removechannel Remove a single channel from the given channel DB.
rescueclosed Try finding the private keys for funds that are in outputs of remotely force-closed channels.
rescuefunding Rescue funds locked in a funding multisig output that never resulted in a proper channel. This is the command the initiator of the channel needs to run.
showrootkey Extract and show the BIP32 HD root key from the 24 word lnd aezeed.
signrescuefunding Rescue funds locked in a funding multisig output that never resulted in a proper channel. This is the command the remote node (the non-initiator) of the channel needs to run.
summary Compile a summary about the current state of channels.
sweeptimelock Sweep the force-closed state after the time lock has expired.
Available Commands:
chanbackup Create a channel.backup file from a channel database
compactdb Create a copy of a channel.db file in safe/read-only mode
derivekey Derive a key with a specific derivation path
dumpbackup Dump the content of a channel.backup file
dumpchannels Dump all channel information from an lnd channel database
filterbackup Filter an lnd channel.backup file and remove certain channels
fixoldbackup Fixes an old channel.backup file that is affected by the lnd issue #3881 (unable to derive shachain root key)
forceclose Force-close the last state that is in the channel.db provided
genimportscript Generate a script containing the on-chain keys of an lnd wallet that can be imported into other software like bitcoind
help Help about any command
removechannel Remove a single channel from the given channel DB
rescueclosed Try finding the private keys for funds that are in outputs of remotely force-closed channels
rescuefunding Rescue funds locked in a funding multisig output that never resulted in a proper channel; this is the command the initiator of the channel needs to run
showrootkey Extract and show the BIP32 HD root key from the 24 word lnd aezeed
signrescuefunding Rescue funds locked in a funding multisig output that never resulted in a proper channel; this is the command the remote node (the non-initiator) of the channel needs to run
summary Compile a summary about the current state of channels
sweeptimelock Sweep the force-closed state after the time lock has expired
sweeptimelockmanual Sweep the force-closed state of a single channel manually if only a channel backup file is available
vanitygen Generate a seed with a custom lnd node identity public key that starts with the given prefix.
walletinfo Shows relevant information about an lnd wallet.db file and optionally extracts the BIP32 HD root key.
vanitygen Generate a seed with a custom lnd node identity public key that starts with the given prefix
walletinfo Shows info about an lnd wallet.db file and optionally extracts the BIP32 HD root key
Flags:
-h, --help help for chantools
-r, --regtest Indicates if regtest parameters should be used
-t, --testnet Indicates if testnet parameters should be used
Use "chantools [command] --help" for more information about a command.
```
## Commands
### chanbackup
```text
Usage:
chantools [OPTIONS] chanbackup [chanbackup-OPTIONS]
[chanbackup command options]
--rootkey= BIP32 HD root key of the wallet that should be used to create the backup. Leave empty to prompt for lnd 24 word aezeed.
--channeldb= The lnd channel.db file to create the backup from.
--multi_file= The lnd channel.backup file to create.
```
This command creates a new channel.backup from a channel.db file.
Example command:
```bash
chantools chanbackup --rootkey xprvxxxxxxxxxx \
--channeldb ~/.lnd/data/graph/mainnet/channel.db \
--multi_file new_channel_backup.backup
```
### compactdb
```text
Usage:
chantools [OPTIONS] compactdb [compactdb-OPTIONS]
[compactdb command options]
--txmaxsize= Maximum transaction size. (default 65536)
--sourcedb= The lnd channel.db file to create the database backup from.
--destdb= The lnd new channel.db file to copy the compacted database to.
```
This command opens a database in read-only mode and tries to create a copy of it
to a destination file, compacting it in the process.
Example command:
```bash
chantools compactdb --sourcedb ~/.lnd/data/graph/mainnet/channel.db \
--destdb ./results/compacted.db
```
### derivekey
```text
Usage:
chantools [OPTIONS] derivekey [derivekey-OPTIONS]
[derivekey command options]
--rootkey= BIP32 HD root key to derive the key from. Leave empty to prompt for lnd 24 word aezeed.
--path= The BIP32 derivation path to derive. Must start with "m/".
--neuter Do not output the private key, just the public key.
```
This command derives a single key with the given BIP32 derivation path from the
root key and prints it to the console. Make sure to escape apostrophes in the
derivation path.
Example command:
```bash
chantools derivekey --rootkey xprvxxxxxxxxxx --path m/1017\'/0\'/5\'/0/0 \
--neuter
```
### dumpbackup
```text
Usage:
chantools [OPTIONS] dumpbackup [dumpbackup-OPTIONS]
[dumpbackup command options]
--rootkey= BIP32 HD root key of the wallet that was used to create the backup. Leave empty to prompt for lnd 24 word aezeed.
--multi_file= The lnd channel.backup file to dump.
```
This command dumps all information that is inside a `channel.backup` file in a
human readable format.
Example command:
```bash
chantools dumpbackup --rootkey xprvxxxxxxxxxx \
--multi_file ~/.lnd/data/chain/bitcoin/mainnet/channel.backup
```
### dumpchannels
```text
Usage:
chantools [OPTIONS] dumpchannels [dumpchannels-OPTIONS]
[dumpchannels command options]
--channeldb= The lnd channel.db file to dump the channels from.
```
This command dumps all open and pending channels from the given lnd `channel.db`
file in a human readable format.
Example command:
```bash
chantools dumpchannels --channeldb ~/.lnd/data/graph/mainnet/channel.db
```
### filterbackup
```text
Usage:
chantools [OPTIONS] filterbackup [filterbackup-OPTIONS]
[filterbackup command options]
--rootkey= BIP32 HD root key of the wallet that was used to create the backup. Leave empty to prompt for lnd 24 word aezeed.
--multi_file= The lnd channel.backup file to filter.
--discard= A comma separated list of channel funding outpoints (format <fundingTXID>:<index>) to remove from the backup file.
```
Filter an `lnd` `channel.backup` file by removing certain channels (identified by
their funding transaction outpoints).
Example command:
```bash
chantools filterbackup --rootkey xprvxxxxxxxxxx \
--multi_file ~/.lnd/data/chain/bitcoin/mainnet/channel.backup \
--discard 2abcdef2b2bffaaa...db0abadd:1,4abcdef2b2bffaaa...db8abadd:0
```
### fixoldbackup
```text
Usage:
chantools [OPTIONS] fixoldbackup [fixoldbackup-OPTIONS]
[fixoldbackup command options]
--rootkey= BIP32 HD root key of the wallet that was used to create the backup. Leave empty to prompt for lnd 24 word aezeed.
--multi_file= The lnd channel.backup file to fix.
```
Fixes an old channel.backup file that is affected by the `lnd` issue
[#3881](https://github.com/lightningnetwork/lnd/issues/3881) (<code>[lncli]
unable to restore chan backups: rpc error: code = Unknown desc = unable
to unpack chan backup: unable to derive shachain root key: unable to derive
private key</code>).
Example command:
```bash
chantools fixoldbackup --rootkey xprvxxxxxxxxxx \
--multi_file ~/.lnd/data/chain/bitcoin/mainnet/channel.backup
```
### forceclose
```text
Usage:
chantools [OPTIONS] forceclose [forceclose-OPTIONS]
[forceclose command options]
--rootkey= BIP32 HD root key to use. Leave empty to prompt for lnd 24 word aezeed.
--channeldb= The lnd channel.db file to use for force-closing channels.
--publish Should the force-closing TX be published to the chain API?
```
If you are certain that a node is offline for good (AFTER you've tried SCB!) and
a channel is still open, you can use this method to force-close your latest
state that you have in your channel.db.
**!!! WARNING !!! DANGER !!! WARNING !!!**
If you do this and the state that you publish is *not* the latest state, then
the remote node *could* punish you by taking the whole channel amount *if* they
come online before you can sweep the funds from the time locked (144 - 2000
blocks) transaction *or* they have a watch tower looking out for them.
**This should absolutely be the last resort and you have been warned!**
Example command:
```bash
chantools --fromsummary results/summary-xxxx-yyyy.json \
forceclose \
--channeldb ~/.lnd/data/graph/mainnet/channel.db \
--rootkey xprvxxxxxxxxxx \
--publish
```
### genimportscript
```text
Usage:
chantools [OPTIONS] genimportscript [genimportscript-OPTIONS]
[genimportscript command options]
--rootkey= BIP32 HD root key to use. Leave empty to prompt for lnd 24 word aezeed.
--format= The format of the generated import script. Currently supported are: bitcoin-cli, bitcoin-cli-watchonly, bitcoin-importwallet.
--lndpaths Use all derivation paths that lnd uses. Results in a large number of results. Cannot be used in conjunction with --derivationpath.
--derivationpath= Use one specific derivation path. Specify the first levels of the derivation path before any internal/external branch. Cannot be used in conjunction with --lndpaths. (default m/84'/0'/0')
--recoverywindow= The number of keys to scan per internal/external branch. The output will consist of double this amount of keys. (default 2500)
--rescanfrom= The block number to rescan from. Will be set automatically from the wallet birthday if the lnd 24 word aezeed is entered. (default 500000)
```
Generates a script that contains all on-chain private (or public) keys derived
from an `lnd` 24 word aezeed wallet. That script can then be imported into other
software like bitcoind.
The following script formats are currently supported:
* `bitcoin-cli`: Creates a list of `bitcoin-cli importprivkey` commands that can
be used in combination with a `bitcoind` full node to recover the funds locked
in those private keys.
* `bitcoin-cli-watchonly`: Does the same as `bitcoin-cli` but with the
`bitcoin-cli importpubkey` command. That means, only the public keys are
imported into `bitcoind` to watch the UTXOs of those keys. The funds cannot be
spent that way as they are watch-only.
* `bitcoin-importwallet`: Creates a text output that is compatible with
`bitcoind`'s `importwallet command.
Example command:
```bash
chantools genimportscript --format bitcoin-cli --recoverywindow 5000
```
### removechannel
```text
Usage:
chantools [OPTIONS] removechannel [removechannel-OPTIONS]
[removechannel command options]
--channeldb= The lnd channel.db file to remove the channel from.
--channel= The channel to remove from the DB file, identified by its channel point (<txid>:<txindex>).
```
Removes a single channel from the given channel DB.
Example command:
```bash
chantools --channeldb ~/.lnd/data/graph/mainnet/channel.db \
--channel 3149764effbe82718b280de425277e5e7b245a4573aa4a0203ac12cee1c37816:0
```
### rescueclosed
```text
Usage:
chantools [OPTIONS] rescueclosed [rescueclosed-OPTIONS]
[rescueclosed command options]
--rootkey= BIP32 HD root key to use. Leave empty to prompt for lnd 24 word aezeed.
--channeldb= The lnd channel.db file to use for rescuing force-closed channels.
```
If channels have already been force-closed by the remote peer, this command
tries to find the private keys to sweep the funds from the output that belongs
to our side. This can only be used if we have a channel DB that contains the
latest commit point. Normally you would use SCB to get the funds from those
channels. But this method can help if the other node doesn't know about the
channels any more but we still have the channel.db from the moment they
force-closed.
Example command:
```bash
chantools --fromsummary results/summary-xxxx-yyyy.json \
rescueclosed \
--channeldb ~/.lnd/data/graph/mainnet/channel.db \
--rootkey xprvxxxxxxxxxx
```
### rescuefunding
```text
Usage:
chantools [OPTIONS] rescuefunding [rescuefunding-OPTIONS]
[rescuefunding command options]
--rootkey= BIP32 HD root key to use. Leave empty to prompt for lnd 24 word aezeed.
--channeldb= The lnd channel.db file to rescue a channel from. Must contain the pending channel specified with --channelpoint.
--channelpoint= The funding transaction outpoint of the channel to rescue (<txid>:<txindex>) as it is recorded in the DB.
--confirmedchannelpoint= The channel outpoint that got confirmed on chain (<txid>:<txindex>). Normally this is the same as the --channelpoint so it will be set to that value if this is left empty.
--sweepaddr= The address to sweep the rescued funds to.
--satperbyte= The fee rate to use in satoshis/vByte.
```
This is part 1 of a two phase process to rescue a channel funding output that
was created on chain by accident but never resulted in a proper channel and no
commitment transactions exist to spend the funds locked in the 2-of-2 multisig.
**You need the cooperation of the channel partner (remote node) for this to
work**! They need to run the second command of this process:
[`signrescuefunding`](#signrescuefunding)
Example command (run against the channel DB of the initiator node):
```bash
chantools rescuefunding \
--channeldb ~/.lnd/data/graph/mainnet/channel.db \
--channelpoint xxxxxxx:xx \
--sweepaddr bc1qxxxxxxxxx \
--satperbyte 10 \
--rootkey xprvxxxxxxxxxx
```
If successful, this will create a PSBT that then has to be sent to the channel
partner (remote node operator).
### showrootkey
This command converts the 24 word `lnd` aezeed phrase and password to the BIP32
HD root key that is used as the `rootkey` parameter in other commands of this
tool.
Example command:
```bash
chantools showrootkey
```
### signrescuefunding
```text
Usage:
chantools [OPTIONS] signrescuefunding [signrescuefunding-OPTIONS]
[signrescuefunding command options]
--rootkey= BIP32 HD root (m/) key to derive the key for our part of the signature from.
--psbt= The Partially Signed Bitcoin Transaction that was provided by the initiator of the channel to rescue.
```
This is part 2 of a two phase process to rescue a channel funding output that
was created on chain by accident but never resulted in a proper channel and no
commitment transactions exist to spend the funds locked in the 2-of-2 multisig.
Example command (run by the non-initiator of the channel):
```bash
chantools signrescuefunding \
--psbt <the_base64_encoded_psbt_from_step_1> \
--rootkey xprvxxxxxxxxxx
```
If successful, this will create a final on-chain transaction that can be
broadcast by any Bitcoin node.
### summary
```text
Usage:
chantools [OPTIONS] summary
```
From a list of channels, find out what their state is by querying the funding
transaction on a block explorer API.
Example command 1:
```bash
lncli listchannels | chantools --listchannels - summary
```
Example command 2:
```bash
chantools --fromchanneldb ~/.lnd/data/graph/mainnet/channel.db
```
### sweeptimelock
```text
Usage:
chantools [OPTIONS] sweeptimelock [sweeptimelock-OPTIONS]
[sweeptimelock command options]
--rootkey= BIP32 HD root key to use. Leave empty to prompt for lnd 24 word aezeed.
--publish Should the sweep TX be published to the chain API?
--sweepaddr= The address the funds should be sweeped to
--maxcsvlimit= Maximum CSV limit to use. (default 2000)
```
Use this command to sweep the funds from channels that you force-closed with the
`forceclose` command. You **MUST** use the result file that was created with the
`forceclose` command, otherwise it won't work. You also have to wait until the
highest time lock (can be up to 2000 blocks which is more than two weeks) of all
the channels has passed. If you only want to sweep channels that have the
default CSV limit of 1 day, you can set the `--maxcsvlimit` parameter to 144.
Example command:
```bash
chantools --fromsummary results/forceclose-xxxx-yyyy.json \
sweeptimelock
--rootkey xprvxxxxxxxxxx \
--publish \
--sweepaddr bc1q.....
```
### sweeptimelockmanual
```text
Usage:
chantools [OPTIONS] sweeptimelockmanual [sweeptimelockmanual-OPTIONS]
[sweeptimelockmanual command options]
--rootkey= BIP32 HD root key to use. Leave empty to prompt for lnd 24 word aezeed.
--publish Should the sweep TX be published to the chain API?
--sweepaddr= The address the funds should be sweeped to.
--maxcsvlimit= Maximum CSV limit to use. (default 2000)
--feerate= The fee rate to use for the sweep transaction in sat/vByte. (default 2 sat/vByte)
--timelockaddr= The address of the time locked commitment output where the funds are stuck in.
--remoterevbasepoint= The remote's revocation base point, can be found in a channel.backup file.
```
Sweep the locally force closed state of a single channel manually if only a
channel backup file is available. This can only be used if a channel is force
closed from the local node but then that node's state is lost and only the
`channel.backup` file is available.
To get the value for `--remoterevbasepoint` you must use the
[`dumpbackup`](#dumpbackup) command, then look up the value for
`RemoteChanCfg -> RevocationBasePoint -> PubKey`.
To get the value for `--timelockaddr` you must look up the channel's funding
output on chain, then follow it to the force close output. The time locked
address is always the one that's longer (because it's P2WSH and not P2PKH).
Example command:
```bash
chantools sweeptimelockmanual \
--rootkey xprvxxxxxxxxxx \
--sweepaddr bc1q..... \
--timelockaddr bc1q............ \
--remoterevbasepoint 03xxxxxxx \
--feerate 10 \
--publish
```
### vanitygen
```
Usage:
chantools [OPTIONS] vanitygen [vanitygen-OPTIONS]
[vanitygen command options]
--prefix= Hex encoded prefix to find in node public key.
--threads= Number of parallel threads. (default: 4)
```
Try random lnd compatible seeds until one is found that produces a node identity
public key that starts with the given prefix.
Example command:
```bash
chantools vanitygen --prefix 022222 --threads 8
```
Example output:
```text
Running vanitygen on 8 threads. Prefix bit length is 17, expecting to approach
probability p=1.0 after 131,072 seeds.
Tested 185k seeds, p=1.41296, speed=14k/s, elapsed=13s
Looking for 022222, found pubkey: 022222f015540ddde9bdf7c95b24f1d44f7ea6ab69bec83d6fbe622296d64b51d6
with seed: [ability roast pear stomach wink cable tube trumpet shy caught hunt someone border organ spoon only prepare calm silent million tobacco chaos normal phone]
```
### walletinfo
```text
Usage:
chantools [OPTIONS] walletinfo [walletinfo-OPTIONS]
[walletinfo command options]
--walletdb= The lnd wallet.db file to dump the contents from.
--withrootkey Should the BIP32 HD root key of the wallet be printed to standard out?
```
Shows some basic information about an `lnd` `wallet.db` file, like the node
identity the wallet belongs to, how many on-chain addresses are used and, if
enabled with `--withrootkey` the BIP32 HD root key of the wallet. The latter can
be useful to recover funds from a wallet if the wallet password is still known
but the seed was lost. **The 24 word seed phrase itself cannot be extracted**
because it is hashed into the extended HD root key before storing it in the
`wallet.db`.
Example command:
```bash
chantools walletinfo \
--walletdb ~/.lnd/data/chain/bitcoin/mainnet/wallet.db \
--withrootkey
```
Detailed documentation for each sub command is available in the
[docs](doc/chantools.md) folder.
Quick access:
+ [chanbackup](doc/chantools_chanbackup.md)
+ [compactdb](doc/chantools_compactdb.md)
+ [derivekey](doc/chantools_derivekey.md)
+ [dumpbackup](doc/chantools_dumpbackup.md)
+ [dumpchannels](doc/chantools_dumpchannels.md)
+ [filterbackup](doc/chantools_filterbackup.md)
+ [fixoldbackup](doc/chantools_fixoldbackup.md)
+ [genimportscript](doc/chantools_genimportscript.md)
+ [forceclose](doc/chantools_forceclose.md)
+ [removechannel](doc/chantools_removechannel.md)
+ [rescueclosed](doc/chantools_rescueclosed.md)
+ [rescuefunding](doc/chantools_rescuefunding.md)
+ [showrootkey](doc/chantools_showrootkey.md)
+ [signrescuefunding](doc/chantools_signrescuefunding.md)
+ [summary](doc/chantools_summary.md)
+ [sweeptimelock](doc/chantools_sweeptimelock.md)
+ [sweeptimelockmanual](doc/chantools_sweeptimelockmanual.md)
+ [vanitygen](doc/chantools_vanitygen.md)
+ [walletinfo](doc/chantools_walletinfo.md)

2
cmd/chantools/root.go
View File

@ -64,6 +64,7 @@ var rootCmd = &cobra.Command{
log.Infof("chantools version v%s commit %s", version,
Commit)
},
DisableAutoGenTag: true,
}
func init() {
@ -82,6 +83,7 @@ func init() {
newDeriveKeyCommand(),
newDumpBackupCommand(),
newDumpChannelsCommand(),
newDocCommand(),
newFilterBackupCommand(),
newFixOldBackupCommand(),
newForceCloseCommand(),

42
doc/chantools.md Normal file
View File

@ -0,0 +1,42 @@
## chantools
Chantools helps recover funds from lightning channels
### Synopsis
This tool provides helper functions that can be used rescue
funds locked in lnd channels in case lnd itself cannot run
properly anymore.
Complete documentation is available at https://github.com/guggero/chantools/.
### Options
```
-h, --help help for chantools
-r, --regtest Indicates if regtest parameters should be used
-t, --testnet Indicates if testnet parameters should be used
```
### SEE ALSO
* [chantools chanbackup](chantools_chanbackup.md) - Create a channel.backup file from a channel database
* [chantools compactdb](chantools_compactdb.md) - Create a copy of a channel.db file in safe/read-only mode
* [chantools derivekey](chantools_derivekey.md) - Derive a key with a specific derivation path
* [chantools dumpbackup](chantools_dumpbackup.md) - Dump the content of a channel.backup file
* [chantools dumpchannels](chantools_dumpchannels.md) - Dump all channel information from an lnd channel database
* [chantools filterbackup](chantools_filterbackup.md) - Filter an lnd channel.backup file and remove certain channels
* [chantools fixoldbackup](chantools_fixoldbackup.md) - Fixes an old channel.backup file that is affected by the lnd issue #3881 (unable to derive shachain root key)
* [chantools forceclose](chantools_forceclose.md) - Force-close the last state that is in the channel.db provided
* [chantools genimportscript](chantools_genimportscript.md) - Generate a script containing the on-chain keys of an lnd wallet that can be imported into other software like bitcoind
* [chantools removechannel](chantools_removechannel.md) - Remove a single channel from the given channel DB
* [chantools rescueclosed](chantools_rescueclosed.md) - Try finding the private keys for funds that are in outputs of remotely force-closed channels
* [chantools rescuefunding](chantools_rescuefunding.md) - Rescue funds locked in a funding multisig output that never resulted in a proper channel; this is the command the initiator of the channel needs to run
* [chantools showrootkey](chantools_showrootkey.md) - Extract and show the BIP32 HD root key from the 24 word lnd aezeed
* [chantools signrescuefunding](chantools_signrescuefunding.md) - Rescue funds locked in a funding multisig output that never resulted in a proper channel; this is the command the remote node (the non-initiator) of the channel needs to run
* [chantools summary](chantools_summary.md) - Compile a summary about the current state of channels
* [chantools sweeptimelock](chantools_sweeptimelock.md) - Sweep the force-closed state after the time lock has expired
* [chantools sweeptimelockmanual](chantools_sweeptimelockmanual.md) - Sweep the force-closed state of a single channel manually if only a channel backup file is available
* [chantools vanitygen](chantools_vanitygen.md) - Generate a seed with a custom lnd node identity public key that starts with the given prefix
* [chantools walletinfo](chantools_walletinfo.md) - Shows info about an lnd wallet.db file and optionally extracts the BIP32 HD root key

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## chantools chanbackup
Create a channel.backup file from a channel database
```
chantools chanbackup [flags]
```
### Options
```
--bip39 read a classic BIP39 seed and passphrase from the terminal instead of asking for lnd seed format or providing the --rootkey flag
--channeldb string lnd channel.db file to create the backup from
-h, --help help for chanbackup
--multi_file string lnd channel.backup file to create
--rootkey string BIP32 HD root key of the wallet to use for creating the backup; leave empty to prompt for lnd 24 word aezeed
```
### Options inherited from parent commands
```
-r, --regtest Indicates if regtest parameters should be used
-t, --testnet Indicates if testnet parameters should be used
```
### SEE ALSO
* [chantools](chantools.md) - Chantools helps recover funds from lightning channels

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## chantools compactdb
Create a copy of a channel.db file in safe/read-only mode
```
chantools compactdb [flags]
```
### Options
```
--destdb string new lnd channel.db file to copy the compacted database to
-h, --help help for compactdb
--sourcedb string lnd channel.db file to create the database backup from
--txmaxsize int maximum transaction size (default 65536)
```
### Options inherited from parent commands
```
-r, --regtest Indicates if regtest parameters should be used
-t, --testnet Indicates if testnet parameters should be used
```
### SEE ALSO
* [chantools](chantools.md) - Chantools helps recover funds from lightning channels

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## chantools derivekey
Derive a key with a specific derivation path
```
chantools derivekey [flags]
```
### Options
```
--bip39 read a classic BIP39 seed and passphrase from the terminal instead of asking for lnd seed format or providing the --rootkey flag
-h, --help help for derivekey
--neuter don't output private key(s), only public key(s)
--path string BIP32 derivation path to derive; must start with "m/"
--rootkey string BIP32 HD root key of the wallet to use for decrypting the backup; leave empty to prompt for lnd 24 word aezeed
```
### Options inherited from parent commands
```
-r, --regtest Indicates if regtest parameters should be used
-t, --testnet Indicates if testnet parameters should be used
```
### SEE ALSO
* [chantools](chantools.md) - Chantools helps recover funds from lightning channels

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## chantools dumpbackup
Dump the content of a channel.backup file
```
chantools dumpbackup [flags]
```
### Options
```
--bip39 read a classic BIP39 seed and passphrase from the terminal instead of asking for lnd seed format or providing the --rootkey flag
-h, --help help for dumpbackup
--multi_file string lnd channel.backup file to dump
--rootkey string BIP32 HD root key of the wallet to use for decrypting the backup; leave empty to prompt for lnd 24 word aezeed
```
### Options inherited from parent commands
```
-r, --regtest Indicates if regtest parameters should be used
-t, --testnet Indicates if testnet parameters should be used
```
### SEE ALSO
* [chantools](chantools.md) - Chantools helps recover funds from lightning channels

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## chantools dumpchannels
Dump all channel information from an lnd channel database
```
chantools dumpchannels [flags]
```
### Options
```
--channeldb string lnd channel.db file to dump channels from
--closed dump closed channels instead of open
-h, --help help for dumpchannels
```
### Options inherited from parent commands
```
-r, --regtest Indicates if regtest parameters should be used
-t, --testnet Indicates if testnet parameters should be used
```
### SEE ALSO
* [chantools](chantools.md) - Chantools helps recover funds from lightning channels

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## chantools filterbackup
Filter an lnd channel.backup file and remove certain channels
```
chantools filterbackup [flags]
```
### Options
```
--bip39 read a classic BIP39 seed and passphrase from the terminal instead of asking for lnd seed format or providing the --rootkey flag
--discard string comma separated list of channel funding outpoints (format <fundingTXID>:<index>) to remove from the backup file
-h, --help help for filterbackup
--multi_file string lnd channel.backup file to filter
--rootkey string BIP32 HD root key of the wallet to use for decrypting the backup; leave empty to prompt for lnd 24 word aezeed
```
### Options inherited from parent commands
```
-r, --regtest Indicates if regtest parameters should be used
-t, --testnet Indicates if testnet parameters should be used
```
### SEE ALSO
* [chantools](chantools.md) - Chantools helps recover funds from lightning channels

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## chantools fixoldbackup
Fixes an old channel.backup file that is affected by the lnd issue #3881 (unable to derive shachain root key)
```
chantools fixoldbackup [flags]
```
### Options
```
--bip39 read a classic BIP39 seed and passphrase from the terminal instead of asking for lnd seed format or providing the --rootkey flag
-h, --help help for fixoldbackup
--multi_file string lnd channel.backup file to fix
--rootkey string BIP32 HD root key of the wallet to use for decrypting the backup; leave empty to prompt for lnd 24 word aezeed
```
### Options inherited from parent commands
```
-r, --regtest Indicates if regtest parameters should be used
-t, --testnet Indicates if testnet parameters should be used
```
### SEE ALSO
* [chantools](chantools.md) - Chantools helps recover funds from lightning channels

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## chantools forceclose
Force-close the last state that is in the channel.db provided
```
chantools forceclose [flags]
```
### Options
```
--apiurl string API URL to use (must be esplora compatible) (default "https://blockstream.info/api")
--bip39 read a classic BIP39 seed and passphrase from the terminal instead of asking for lnd seed format or providing the --rootkey flag
--channeldb string lnd channel.db file to use for force-closing channels
--fromchanneldb string channel input is in the format of an lnd channel.db file
--fromsummary string channel input is in the format of chantool's channel summary; specify '-' to read from stdin
-h, --help help for forceclose
--listchannels string channel input is in the format of lncli's listchannels format; specify '-' to read from stdin
--pendingchannels string channel input is in the format of lncli's pendingchannels format; specify '-' to read from stdin
--publish publish force-closing TX to the chain API instead of just printing the TX
--rootkey string BIP32 HD root key of the wallet to use for decrypting the backup; leave empty to prompt for lnd 24 word aezeed
```
### Options inherited from parent commands
```
-r, --regtest Indicates if regtest parameters should be used
-t, --testnet Indicates if testnet parameters should be used
```
### SEE ALSO
* [chantools](chantools.md) - Chantools helps recover funds from lightning channels

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## chantools genimportscript
Generate a script containing the on-chain keys of an lnd wallet that can be imported into other software like bitcoind
```
chantools genimportscript [flags]
```
### Options
```
--bip39 read a classic BIP39 seed and passphrase from the terminal instead of asking for lnd seed format or providing the --rootkey flag
--derivationpath string use one specific derivation path; specify the first levels of the derivation path before any internal/external branch; Cannot be used in conjunction with --lndpaths
--format string format of the generated import script; currently supported are: bitcoin-importwallet, bitcoin-cli and bitcoin-cli-watchonly (default "bitcoin-importwallet")
-h, --help help for genimportscript
--lndpaths use all derivation paths that lnd used; results in a large number of results; cannot be used in conjunction with --derivationpath
--recoverywindow uint32 number of keys to scan per internal/external branch; output will consist of double this amount of keys (default 2500)
--rescanfrom uint32 block number to rescan from; will be set automatically from the wallet birthday if the lnd 24 word aezeed is entered (default 500000)
--rootkey string BIP32 HD root key of the wallet to use for decrypting the backup; leave empty to prompt for lnd 24 word aezeed
```
### Options inherited from parent commands
```
-r, --regtest Indicates if regtest parameters should be used
-t, --testnet Indicates if testnet parameters should be used
```
### SEE ALSO
* [chantools](chantools.md) - Chantools helps recover funds from lightning channels

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## chantools removechannel
Remove a single channel from the given channel DB
```
chantools removechannel [flags]
```
### Options
```
--channel string channel to remove from the DB file, identified by its channel point (<txid>:<txindex>)
--channeldb string lnd channel.backup file to remove the channel from
-h, --help help for removechannel
```
### Options inherited from parent commands
```
-r, --regtest Indicates if regtest parameters should be used
-t, --testnet Indicates if testnet parameters should be used
```
### SEE ALSO
* [chantools](chantools.md) - Chantools helps recover funds from lightning channels

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## chantools rescueclosed
Try finding the private keys for funds that are in outputs of remotely force-closed channels
```
chantools rescueclosed [flags]
```
### Options
```
--bip39 read a classic BIP39 seed and passphrase from the terminal instead of asking for lnd seed format or providing the --rootkey flag
--channeldb string lnd channel.db file to use for rescuing force-closed channels
--fromchanneldb string channel input is in the format of an lnd channel.db file
--fromsummary string channel input is in the format of chantool's channel summary; specify '-' to read from stdin
-h, --help help for rescueclosed
--listchannels string channel input is in the format of lncli's listchannels format; specify '-' to read from stdin
--pendingchannels string channel input is in the format of lncli's pendingchannels format; specify '-' to read from stdin
--rootkey string BIP32 HD root key of the wallet to use for decrypting the backup; leave empty to prompt for lnd 24 word aezeed
```
### Options inherited from parent commands
```
-r, --regtest Indicates if regtest parameters should be used
-t, --testnet Indicates if testnet parameters should be used
```
### SEE ALSO
* [chantools](chantools.md) - Chantools helps recover funds from lightning channels

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## chantools rescuefunding
Rescue funds locked in a funding multisig output that never resulted in a proper channel; this is the command the initiator of the channel needs to run
```
chantools rescuefunding [flags]
```
### Options
```
--bip39 read a classic BIP39 seed and passphrase from the terminal instead of asking for lnd seed format or providing the --rootkey flag
--channeldb string lnd channel.db file to rescue a channel from; must contain the pending channel specified with --channelpoint
--channelpoint string funding transaction outpoint of the channel to rescue (<txid>:<txindex>) as it is recorded in the DB
--confirmedchannelpoint string channel outpoint that got confirmed on chain (<txid>:<txindex>); normally this is the same as the --channelpoint so it will be set to that value ifthis is left empty
--feerate uint16 fee rate to use for the sweep transaction in sat/vByte (default 2)
-h, --help help for rescuefunding
--rootkey string BIP32 HD root key of the wallet to use for deriving keys; leave empty to prompt for lnd 24 word aezeed
--sweepaddr string address to sweep the funds to
```
### Options inherited from parent commands
```
-r, --regtest Indicates if regtest parameters should be used
-t, --testnet Indicates if testnet parameters should be used
```
### SEE ALSO
* [chantools](chantools.md) - Chantools helps recover funds from lightning channels

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## chantools showrootkey
Extract and show the BIP32 HD root key from the 24 word lnd aezeed
```
chantools showrootkey [flags]
```
### Options
```
--bip39 read a classic BIP39 seed and passphrase from the terminal instead of asking for lnd seed format or providing the --rootkey flag
-h, --help help for showrootkey
--rootkey string BIP32 HD root key of the wallet to use for decrypting the backup; leave empty to prompt for lnd 24 word aezeed
```
### Options inherited from parent commands
```
-r, --regtest Indicates if regtest parameters should be used
-t, --testnet Indicates if testnet parameters should be used
```
### SEE ALSO
* [chantools](chantools.md) - Chantools helps recover funds from lightning channels

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## chantools signrescuefunding
Rescue funds locked in a funding multisig output that never resulted in a proper channel; this is the command the remote node (the non-initiator) of the channel needs to run
```
chantools signrescuefunding [flags]
```
### Options
```
-h, --help help for signrescuefunding
--psbt string Partially Signed Bitcoin Transaction that was provided by the initiator of the channel to rescue
```
### Options inherited from parent commands
```
-r, --regtest Indicates if regtest parameters should be used
-t, --testnet Indicates if testnet parameters should be used
```
### SEE ALSO
* [chantools](chantools.md) - Chantools helps recover funds from lightning channels

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## chantools summary
Compile a summary about the current state of channels
```
chantools summary [flags]
```
### Options
```
--apiurl string API URL to use (must be esplora compatible) (default "https://blockstream.info/api")
--fromchanneldb string channel input is in the format of an lnd channel.db file
--fromsummary string channel input is in the format of chantool's channel summary; specify '-' to read from stdin
-h, --help help for summary
--listchannels string channel input is in the format of lncli's listchannels format; specify '-' to read from stdin
--pendingchannels string channel input is in the format of lncli's pendingchannels format; specify '-' to read from stdin
```
### Options inherited from parent commands
```
-r, --regtest Indicates if regtest parameters should be used
-t, --testnet Indicates if testnet parameters should be used
```
### SEE ALSO
* [chantools](chantools.md) - Chantools helps recover funds from lightning channels

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## chantools sweeptimelock
Sweep the force-closed state after the time lock has expired
```
chantools sweeptimelock [flags]
```
### Options
```
--apiurl string API URL to use (must be esplora compatible) (default "https://blockstream.info/api")
--bip39 read a classic BIP39 seed and passphrase from the terminal instead of asking for lnd seed format or providing the --rootkey flag
--feerate uint16 fee rate to use for the sweep transaction in sat/vByte (default 2)
--fromchanneldb string channel input is in the format of an lnd channel.db file
--fromsummary string channel input is in the format of chantool's channel summary; specify '-' to read from stdin
-h, --help help for sweeptimelock
--listchannels string channel input is in the format of lncli's listchannels format; specify '-' to read from stdin
--maxcsvlimit uint16 maximum CSV limit to use (default 2016)
--pendingchannels string channel input is in the format of lncli's pendingchannels format; specify '-' to read from stdin
--publish publish sweep TX to the chain API instead of just printing the TX
--rootkey string BIP32 HD root key of the wallet to use for deriving keys; leave empty to prompt for lnd 24 word aezeed
--sweepaddr string address to sweep the funds to
```
### Options inherited from parent commands
```
-r, --regtest Indicates if regtest parameters should be used
-t, --testnet Indicates if testnet parameters should be used
```
### SEE ALSO
* [chantools](chantools.md) - Chantools helps recover funds from lightning channels

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## chantools sweeptimelockmanual
Sweep the force-closed state of a single channel manually if only a channel backup file is available
```
chantools sweeptimelockmanual [flags]
```
### Options
```
--apiurl string API URL to use (must be esplora compatible) (default "https://blockstream.info/api")
--bip39 read a classic BIP39 seed and passphrase from the terminal instead of asking for lnd seed format or providing the --rootkey flag
--feerate uint16 fee rate to use for the sweep transaction in sat/vByte (default 2)
--fromchanneldb string channel input is in the format of an lnd channel.db file
--fromsummary string channel input is in the format of chantool's channel summary; specify '-' to read from stdin
-h, --help help for sweeptimelockmanual
--listchannels string channel input is in the format of lncli's listchannels format; specify '-' to read from stdin
--maxcsvlimit uint16 maximum CSV limit to use (default 2016)
--pendingchannels string channel input is in the format of lncli's pendingchannels format; specify '-' to read from stdin
--publish publish sweep TX to the chain API instead of just printing the TX
--remoterevbasepoint string remote node's revocation base point, can be found in a channel.backup file
--rootkey string BIP32 HD root key of the wallet to use for deriving keys; leave empty to prompt for lnd 24 word aezeed
--sweepaddr string address to sweep the funds to
--timelockaddr string address of the time locked commitment output where the funds are stuck in
```
### Options inherited from parent commands
```
-r, --regtest Indicates if regtest parameters should be used
-t, --testnet Indicates if testnet parameters should be used
```
### SEE ALSO
* [chantools](chantools.md) - Chantools helps recover funds from lightning channels

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## chantools vanitygen
Generate a seed with a custom lnd node identity public key that starts with the given prefix
```
chantools vanitygen [flags]
```
### Options
```
-h, --help help for vanitygen
--prefix string hex encoded prefix to find in node public key
--threads uint8 number of parallel threads (default 4)
```
### Options inherited from parent commands
```
-r, --regtest Indicates if regtest parameters should be used
-t, --testnet Indicates if testnet parameters should be used
```
### SEE ALSO
* [chantools](chantools.md) - Chantools helps recover funds from lightning channels

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## chantools walletinfo
Shows info about an lnd wallet.db file and optionally extracts the BIP32 HD root key
```
chantools walletinfo [flags]
```
### Options
```
-h, --help help for walletinfo
--walletdb string lnd wallet.db file to dump the contents from
--withrootkey print BIP32 HD root key of wallet to standard out
```
### Options inherited from parent commands
```
-r, --regtest Indicates if regtest parameters should be used
-t, --testnet Indicates if testnet parameters should be used
```
### SEE ALSO
* [chantools](chantools.md) - Chantools helps recover funds from lightning channels