1. getlatestpeerbackup 2. recoverchannel for each channel in there. 3. make sure we don't send out NEW peer storage when we're recovering!! 4. make sure that peer storage correctly contains stub channels, once we're no longer recovering 5. make sure we always increment timestamp in peer backup! 6. Make `decode` decrypt and decode the channel backup file. 7. Make recover optionally take the channel backup.
decodedecrypt and decode the channel backup file.