mirror of
https://github.com/rootzoll/raspiblitz.git
synced 2025-02-26 07:24:40 +01:00
d96693a437
added instructions to check bytesize with stat since scp rounds file size on download and can be confusing
284 lines
8.9 KiB
Bash
Executable file
284 lines
8.9 KiB
Bash
Executable file
#!/bin/bash
|
|
|
|
source /mnt/hdd/raspiblitz.conf
|
|
|
|
# command info
|
|
if [ $# -eq 0 ] || [ "$1" = "-h" ] || [ "$1" = "-help" ]; then
|
|
echo "# small rescue script to to backup or restore LND data"
|
|
echo "# -> backup all LND data in a tar.gz file for download:"
|
|
echo "# lnd.rescue.sh backup [?no-download]"
|
|
echo "# -> upload a LND data tar.gz file to replace LND data:"
|
|
echo "# lnd.rescue.sh restore"
|
|
echo "# -> download the LND channel.backup file from SD card:"
|
|
echo "# lnd.rescue.sh scb-down"
|
|
echo "# -> upload the LND channel.backup to recover wallet:"
|
|
echo "# lnd.rescue.sh scb-up"
|
|
exit 1
|
|
fi
|
|
|
|
localip=$(ip addr | grep 'state UP' -A2 | egrep -v 'docker0|veth' | grep 'eth0\|wlan0\|enp0' | tail -n1 | awk '{print $2}' | cut -f1 -d'/')
|
|
|
|
mode="$1"
|
|
if [ ${mode} = "backup" ]; then
|
|
|
|
################################
|
|
# BACKUP
|
|
################################
|
|
|
|
echo "# *** LND.RESCUE --> BACKUP"
|
|
|
|
# stop LND
|
|
echo "# Stopping lnd..."
|
|
sudo systemctl stop lnd
|
|
sleep 5
|
|
echo "# OK"
|
|
echo
|
|
|
|
# zip it
|
|
sudo tar -zcvf /home/admin/lnd-rescue.tar.gz /mnt/hdd/lnd 1>&2
|
|
sudo chown admin:admin /home/admin/lnd-rescue.tar.gz 1>&2
|
|
|
|
# delete old backups
|
|
rm /home/admin/lnd-rescue-*.tar.gz 2>/dev/null 1>/dev/null
|
|
|
|
# name with md5 checksum
|
|
md5checksum=$(md5sum /home/admin/lnd-rescue.tar.gz | head -n1 | cut -d " " -f1)
|
|
mv /home/admin/lnd-rescue.tar.gz /home/admin/lnd-rescue-${md5checksum}.tar.gz 1>&2
|
|
echo "file='lnd-rescue-${md5checksum}.tar.gz'"
|
|
echo "path='/home/admin/'"
|
|
|
|
byteSize=$(ls -l /home/admin/lnd-rescue-${md5checksum}.tar.gz | awk '{print $5}')
|
|
echo "size=${byteSize}"
|
|
|
|
if [ ${byteSize} -lt 100 ]; then
|
|
echo "error='backup is empty'"
|
|
echo
|
|
echo "# *****************************"
|
|
echo "# * BACKUP ERROR *"
|
|
echo "# *****************************"
|
|
echo "# The byte size of the created rescue-file is too small (${byteSize}) - might be empty!"
|
|
echo "# If you plan any update or recovery please stop and report this error to dev team. Thx."
|
|
exit 0
|
|
fi
|
|
|
|
# stop here in case of 'no-download' option
|
|
if [ "${2}" == "no-download" ]; then
|
|
echo "# No download of LND data requested."
|
|
exit 0
|
|
fi
|
|
|
|
# offer SCP for download
|
|
clear
|
|
echo
|
|
echo "****************************"
|
|
echo "* DOWNLOAD THE RESCUE FILE *"
|
|
echo "****************************"
|
|
echo
|
|
echo "ON YOUR MAC & LINUX LAPTOP - RUN IN NEW TERMINAL:"
|
|
echo "scp -r 'admin@${localip}:/home/admin/lnd-rescue-*.tar.gz' ./"
|
|
echo "ON WINDOWS USE:"
|
|
echo "scp -r admin@${localip}:/home/admin/lnd-rescue-*.tar.gz ."
|
|
echo ""
|
|
echo "Use password A to authenticate file transfer."
|
|
echo
|
|
echo "Type the following command into the new terminal:"
|
|
echo "stat lnd-rescue-*.tar.gz"
|
|
echo
|
|
echo "Check for correct file size after transfer: ${byteSize} byte"
|
|
echo
|
|
echo "BEWARE: Your Lightning node is now stopped. It's safe to backup the data and"
|
|
echo "restore it on a fresh RaspiBlitz. But once this Lightning node gets started"
|
|
echo "again or rebooted, it's not advised to restore the backup file because"
|
|
echo "it would contain outdated channel data and can lead to loss of channel funds."
|
|
|
|
elif [ ${mode} = "restore" ]; then
|
|
|
|
################################
|
|
# RESTORE
|
|
################################
|
|
|
|
echo "# LND.RESCUE --> RESTORE"
|
|
echo ""
|
|
|
|
# delete old backups
|
|
rm /home/admin/lnd-rescue-*.tar.gz
|
|
|
|
filename=""
|
|
while [ ${#filename} -eq 0 ]
|
|
do
|
|
countZips=$(sudo ls /home/admin/lnd-rescue-*.tar.gz 2>/dev/null | grep -c 'lnd-rescue')
|
|
if [ ${countZips} -lt 1 ]; then
|
|
echo "**************************"
|
|
echo "* UPLOAD THE RESCUE FILE *"
|
|
echo "**************************"
|
|
echo "If you have a lnd-rescue backup file on your laptop you can now"
|
|
echo "upload it and restore the your latest LND state."
|
|
echo
|
|
echo "CAUTION: Dont restore old LND states - risk of loosing funds!"
|
|
echo
|
|
echo "To make upload open a new terminal on your laptop,"
|
|
echo "change into the directory where your lnd-rescue file is and"
|
|
echo "COPY, PASTE AND EXECUTE THE FOLLOWING COMMAND:"
|
|
echo "scp -r ./lnd-rescue-*.tar.gz admin@${localip}:/home/admin/"
|
|
echo ""
|
|
echo "Use password A to authenticate file transfer."
|
|
echo "PRESS ENTER when upload is done."
|
|
fi
|
|
if [ ${countZips} -gt 1 ]; then
|
|
echo "!! WARNING !!"
|
|
echo "There are multiple lnd-rescue files in directory /home/admin."
|
|
echo "Make sure you upload only one tar.gz-file and start again."
|
|
echo
|
|
echo "PRESS ENTER to continue."
|
|
read key
|
|
exit 1
|
|
fi
|
|
if [ ${countZips} -eq 1 ]; then
|
|
|
|
clear
|
|
echo
|
|
echo "**************************"
|
|
echo "* RESTORING BACKUP FILE *"
|
|
echo "**************************"
|
|
echo
|
|
|
|
filename=$(sudo ls /home/admin/lnd-rescue-*.tar.gz)
|
|
echo "OK -> found file to restore: ${filename}"
|
|
|
|
# checksum test
|
|
md5checksum=$(md5sum ${filename} | head -n1 | cut -d " " -f1)
|
|
isCorrect=$(echo ${filename} | grep -c ${md5checksum})
|
|
if [ ${isCorrect} -eq 1 ]; then
|
|
echo "OK -> checksum looks good: ${md5checksum}"
|
|
else
|
|
echo "!!! FAIL -> Checksum not correct."
|
|
echo "Maybe transfer failed? Continue at your own risk!"
|
|
echo "It is recommended to abort and upload again!"
|
|
fi
|
|
|
|
# overrride test
|
|
oldWalletExists=$(sudo ls /mnt/hdd/lnd/data/chain/${network}/${chain}net/wallet.db 2>/dev/null | grep -c "wallet.db")
|
|
if [ ${oldWalletExists} -gt 0 ]; then
|
|
echo
|
|
echo "WARNING: This will delete/overwrite the LND state/funds of this RaspiBlitz."
|
|
fi
|
|
echo
|
|
echo "PRESS ENTER to start restore. Enter x & ENTER to cancel."
|
|
fi
|
|
read key
|
|
if [ "${key}" == "x" ]; then
|
|
exit 1
|
|
fi
|
|
done
|
|
|
|
# stop LND
|
|
echo "Stopping lnd..."
|
|
sudo systemctl stop lnd
|
|
sleep 5
|
|
echo "OK"
|
|
echo
|
|
|
|
# clean DIR
|
|
echo "Cleaning LND data ..."
|
|
sudo rm -r /mnt/hdd/lnd/*
|
|
echo "OK"
|
|
echo
|
|
|
|
# unpack zip
|
|
echo "Restoring LND data from ${filename} ..."
|
|
sudo tar -xf ${filename} -C /
|
|
sudo chown -R bitcoin:bitcoin /mnt/hdd/lnd
|
|
echo "OK"
|
|
echo
|
|
|
|
# check if LND needs update
|
|
# (if RaspiBlitz has an optional LND version update, then install it
|
|
# the newer LND version can always handle older data)
|
|
echo "Checking LND version ..."
|
|
source <(sudo -u admin /home/admin/config.scripts/lnd.update.sh info)
|
|
if [ ${lndUpdateInstalled} -eq 0 ]; then
|
|
echo "Installing available LND update ... (newer version can handle more wallet formats)"
|
|
sudo -u admin /home/admin/config.scripts/lnd.update.sh verified
|
|
else
|
|
echo "OK"
|
|
fi
|
|
echo
|
|
|
|
# start LND
|
|
echo "Starting lnd..."
|
|
sudo systemctl start lnd
|
|
echo "OK"
|
|
echo
|
|
|
|
echo "DONE - please check if LND starts up correctly with restored state and funds."
|
|
echo "Keep in mind that some channels maybe forced closed in the meanwhile."
|
|
echo
|
|
|
|
elif [ ${mode} = "scb-down" ]; then
|
|
|
|
echo
|
|
echo "****************************"
|
|
echo "* DOWNLOAD THE BACKUP FILE *"
|
|
echo "****************************"
|
|
echo
|
|
echo "RUN THE FOLLOWING COMMAND ON YOUR LAPTOP IN NEW TERMINAL:"
|
|
echo "scp -r admin@${localip}:/home/admin/.lnd/data/chain/${network}/${chain}net/channel.backup ./"
|
|
echo ""
|
|
echo "Use password A to authenticate file transfer."
|
|
echo
|
|
echo "NOTE: Use this file when setting up a fresh RaspiBlitz by choosing"
|
|
echo "option OLD WALLET and then SCB+SEED -> Seed & channel.backup file"
|
|
echo "Will just recover on-chain & channel-funds, but closing all channels"
|
|
|
|
elif [ ${mode} = "scb-up" ]; then
|
|
|
|
gotFile=-1
|
|
while [ ${gotFile} -lt 1 ]
|
|
do
|
|
|
|
# show info
|
|
clear
|
|
sleep 1
|
|
echo "**********************************"
|
|
echo "* UPLOAD THE channel.backup FILE *"
|
|
echo "**********************************"
|
|
echo
|
|
if [ ${gotFile} -eq -1 ]; then
|
|
echo "If you have the channel.backup file on your laptop or on"
|
|
echo "another server you can now upload it to the RaspiBlitz."
|
|
elif [ ${gotFile} -eq 0 ]; then
|
|
echo "NO channel.backup FOUND IN /home/admin"
|
|
echo "Please try upload again."
|
|
fi
|
|
echo
|
|
echo "To make upload open a new terminal and change,"
|
|
echo "into the directory where your lnd-rescue file is and"
|
|
echo "COPY, PASTE AND EXECUTE THE FOLLOWING COMMAND:"
|
|
echo "scp ./channel.backup admin@${localip}:/home/admin/"
|
|
echo ""
|
|
echo "Use password A to authenticate file transfer."
|
|
echo "PRESS ENTER when upload is done. Enter x & ENTER to cancel."
|
|
|
|
# wait user interaction
|
|
echo "Please upload file. Press ENTER to try again or (x & ENTER) to cancel."
|
|
read key
|
|
if [ "${key}" == "x" ]; then
|
|
# EXIT with CODE 1 --> USER CANCEL
|
|
echo "# CANCEL upload"
|
|
exit 1
|
|
fi
|
|
|
|
# test upload
|
|
gotFile=$(ls /home/admin/channel.backup | grep -c 'channel.backup')
|
|
|
|
done
|
|
|
|
# EXIT with CODE 1 --> FILE UPLOADED
|
|
echo
|
|
echo "# OK channel.backup uploaded"
|
|
sleep 2
|
|
exit 0
|
|
|
|
else
|
|
echo "unknown parameter '${mode}' - exit"
|
|
fi
|