mirror of https://github.com/guggero/chantools
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
71 lines
1.7 KiB
Go
71 lines
1.7 KiB
Go
package main
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
"github.com/guggero/chantools/lnd"
|
|
"github.com/lightningnetwork/lnd/chanbackup"
|
|
"github.com/spf13/cobra"
|
|
)
|
|
|
|
type chanBackupCommand struct {
|
|
ChannelDB string
|
|
MultiFile string
|
|
|
|
rootKey *rootKey
|
|
cmd *cobra.Command
|
|
}
|
|
|
|
func newChanBackupCommand() *cobra.Command {
|
|
cc := &chanBackupCommand{}
|
|
cc.cmd = &cobra.Command{
|
|
Use: "chanbackup",
|
|
Short: "Create a channel.backup file from a channel database",
|
|
Long: `This command creates a new channel.backup from a
|
|
channel.db file.`,
|
|
Example: `chantools chanbackup \
|
|
--channeldb ~/.lnd/data/graph/mainnet/channel.db \
|
|
--multi_file new_channel_backup.backup`,
|
|
RunE: cc.Execute,
|
|
}
|
|
cc.cmd.Flags().StringVar(
|
|
&cc.ChannelDB, "channeldb", "", "lnd channel.db file to "+
|
|
"create the backup from",
|
|
)
|
|
cc.cmd.Flags().StringVar(
|
|
&cc.MultiFile, "multi_file", "", "lnd channel.backup file to "+
|
|
"create",
|
|
)
|
|
|
|
cc.rootKey = newRootKey(cc.cmd, "creating the backup")
|
|
|
|
return cc.cmd
|
|
}
|
|
|
|
func (c *chanBackupCommand) Execute(_ *cobra.Command, _ []string) error {
|
|
extendedKey, err := c.rootKey.read()
|
|
if err != nil {
|
|
return fmt.Errorf("error reading root key: %w", err)
|
|
}
|
|
|
|
// Check that we have a backup file.
|
|
if c.MultiFile == "" {
|
|
return fmt.Errorf("backup file is required")
|
|
}
|
|
|
|
// Check that we have a channel DB.
|
|
if c.ChannelDB == "" {
|
|
return fmt.Errorf("channel DB is required")
|
|
}
|
|
db, err := lnd.OpenDB(c.ChannelDB, true)
|
|
if err != nil {
|
|
return fmt.Errorf("error opening rescue DB: %w", err)
|
|
}
|
|
multiFile := chanbackup.NewMultiFile(c.MultiFile)
|
|
keyRing := &lnd.HDKeyRing{
|
|
ExtendedKey: extendedKey,
|
|
ChainParams: chainParams,
|
|
}
|
|
return lnd.CreateChannelBackup(db, multiFile, keyRing)
|
|
}
|