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#!/bin/bash
source /home/admin/raspiblitz.info
source /mnt/hdd/raspiblitz.conf
### USER PI AUTOSTART (LCD Display)
localip=$(ip addr | grep 'state UP' -A2 | tail -n1 | awk '{print $2}' | cut -f1 -d'/')
# parse the actual scanned height progress from LND logs
item=0
blockchaininfo=$(sudo -u bitcoin ${network}-cli -datadir=/home/bitcoin/.${network} getblockchaininfo)
chain="$(echo "${blockchaininfo}" | jq -r '.chain')"
## TRY to get the actual progress height of scanning
# 1) First try the "Rescanned through block" - it seems to happen if it restarts
item=$(sudo -u bitcoin tail -n 100 /mnt/hdd/lnd/logs/${network}/${chain}net/lnd.log | grep "Rescanned through block" | tail -n1 | cut -d ']' -f2 | cut -d '(' -f2 | tr -dc '0-9')
action="Rescanning"
# 2) Second try the "Caught up to height" - thats the usual on first scan start
if [ ${#item} -eq 0 ]; then
item=$(sudo -u bitcoin tail -n 100 /mnt/hdd/lnd/logs/${network}/${chain}net/lnd.log | grep "Caught up to height" | tail -n1 | cut -d ']' -f2 | tr -dc '0-9')
action="Catching-Up"
fi
# 3) Third try the "LNWL: Filtering block" - thats the usual on later starts
if [ ${#item} -eq 0 ]; then
item=$(sudo -u bitcoin tail -n 100 /mnt/hdd/lnd/logs/${network}/${chain}net/lnd.log | grep "LNWL: Filtering block" | tail -n1 | cut -d ' ' -f7 | tr -dc '0-9')
action="Filtering"
fi
# if no progress info
online=1
if [ ${#item} -eq 0 ]; then
item="?"
# check if offline
# https://en.wikipedia.org/wiki/1.1.1.1
online=$(ping 1.1.1.1 -c 1 -W 2 | grep -c '1 received')
fi
# get total number of blocks
total=$(echo "${blockchaininfo}" | jq -r '.blocks')
# put scanstate
scanstate="${item}/${total}"
# get blockchain sync progress
progress="$(echo "${blockchaininfo}" | jq -r '.verificationprogress')"
progress=$(echo "${progress}*100" | bc)
# check if blockchain is still syncing
heigh=6
width=44
isInitialChainSync=$(echo "${blockchaininfo}" | grep 'initialblockdownload' | grep "true" -c)
isWaitingBlockchain=$( sudo -u bitcoin tail -n 2 /mnt/hdd/lnd/logs/${network}/${chain}net/lnd.log | grep "Waiting for chain backend to finish sync" -c )
if [ ${isWaitingBlockchain} -gt 0 ]; then
isInitialChainSync=1
fi
if [ ${online} -eq 0 ]; then
heigh=7
width=44
infoStr=$(echo " Waiting INTERNET CONNECTION\n RaspiBlitz cannot ping 1.1.1.1\n Local IP is ${localip}\n Please check cables and router.")
elif [ ${isInitialChainSync} -gt 0 ]; then
heigh=7
infoStr=" Waiting for final Blockchain Sync\n Progress: ${progress} %\n Please wait - this can take some time.\n ssh admin@${localip}\n Password A"
if [ "$USER" = "admin" ]; then
heigh=6
width=53
infoStr=$(echo " Waiting for final Blockchain Sync\n Progress: ${progress} %\n Please wait - this can take some long time.\n Its OK to close terminal and ssh back in later.")
fi
else
heigh=7
# check if wallet has any UTXO
# reason see: https://github.com/lightningnetwork/lnd/issues/2326
txlines=$(sudo -u bitcoin lncli listchaintxns 2>/dev/null | wc -l)
# has just 4 lines if empty
if [ ${txlines} -eq 4 ]; then
infoStr=$(echo " Lightning ${action} Blockchain\n Progress: ${scanstate}\n re-rescan every start until funding\n ssh admin@${localip}\n Password A")
else
infoStr=$(echo " Lightning ${action} Blockchain\n Progress: ${scanstate}\n Please wait - this can take some time\n ssh admin@${localip}\n Password A")
if [ "$USER" = "admin" ]; then
heigh=6
width=53
infoStr=$(echo " Lightning ${action} Blockchain\n Progress: ${scanstate}\n Please wait - this can take some long time.\n Its OK to close terminal and ssh back in later.")
fi
fi
fi
# display progress to user
sleep 3
dialog --title " ${network} / ${chain} " --backtitle "RaspiBlitz (${hostname})" --infobox "${infoStr}" ${heigh} ${width}