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78 lines
1.9 KiB
Go
78 lines
1.9 KiB
Go
package main
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import (
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"fmt"
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"github.com/davecgh/go-spew/spew"
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"github.com/lightninglabs/chantools/dump"
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"github.com/lightninglabs/chantools/lnd"
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"github.com/lightningnetwork/lnd/chanbackup"
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"github.com/lightningnetwork/lnd/keychain"
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"github.com/spf13/cobra"
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)
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type dumpBackupCommand struct {
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MultiFile string
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rootKey *rootKey
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cmd *cobra.Command
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}
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func newDumpBackupCommand() *cobra.Command {
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cc := &dumpBackupCommand{}
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cc.cmd = &cobra.Command{
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Use: "dumpbackup",
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Short: "Dump the content of a channel.backup file",
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Long: `This command dumps all information that is inside a
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channel.backup file in a human readable format.`,
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Example: `chantools dumpbackup \
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--multi_file ~/.lnd/data/chain/bitcoin/mainnet/channel.backup`,
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RunE: cc.Execute,
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}
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cc.cmd.Flags().StringVar(
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&cc.MultiFile, "multi_file", "", "lnd channel.backup file to "+
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"dump",
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)
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cc.rootKey = newRootKey(cc.cmd, "decrypting the backup")
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return cc.cmd
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}
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func (c *dumpBackupCommand) Execute(_ *cobra.Command, _ []string) error {
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extendedKey, err := c.rootKey.read()
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if err != nil {
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return fmt.Errorf("error reading root key: %w", err)
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}
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// Check that we have a backup file.
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if c.MultiFile == "" {
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return fmt.Errorf("backup file is required")
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}
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multiFile := chanbackup.NewMultiFile(c.MultiFile)
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keyRing := &lnd.HDKeyRing{
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ExtendedKey: extendedKey,
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ChainParams: chainParams,
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}
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return dumpChannelBackup(multiFile, keyRing)
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}
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func dumpChannelBackup(multiFile *chanbackup.MultiFile,
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ring keychain.KeyRing) error {
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multi, err := multiFile.ExtractMulti(ring)
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if err != nil {
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return fmt.Errorf("could not extract multi file: %w", err)
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}
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content := dump.BackupMulti{
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Version: multi.Version,
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StaticBackups: dump.BackupDump(multi, chainParams),
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}
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spew.Dump(content)
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// For the tests, also log as trace level which is disabled by default.
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log.Tracef(spew.Sdump(content))
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return nil
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}
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