raspiblitz/home.admin/00infoLCD.sh

#!/bin/sh

### USER PI AUTOSTART (LCD Display)
# this script gets started by the autologin of the pi user and
# and its output is gets displayed on the LCD or the RaspiBlitz

# check that user is pi
if [ "$USER" != "pi" ]; then
  echo "plz run as user pi --> su pi"
  exit 1
fi

# get the local network IP to be displayed on the lCD
localip=$(ip addr | grep 'state UP' -A2 | tail -n1 | awk '{print $2}' | cut -f1 -d'/')

# DISPLAY LOOP
chain=""
freshstart=1
while :
    do

    # refresh network (if information is already available)
    network=`sudo cat /home/admin/.network 2>/dev/null`

    # get the actual step number of setup process
    setupStep=$(sudo -u admin cat /home/admin/.setup 2>/dev/null)
    if [ ${#setupStep} -eq 0 ]; then
     setupStep=0
    fi

    # before initial setup
    if [ ${setupStep} -eq 0 ]; then

      # setup process has not started yet
      l1="Login to your RaspiBlitz with:\n"
      l2="ssh admin@${localip}\n"
      l3="Use password: raspiblitz\n"
      boxwidth=$((${#localip} + 24))
      sleep 3
      dialog --backtitle "RaspiBlitz ${localip} - Welcome (${setupStep})" --infobox "$l1$l2$l3" 5 ${boxwidth}
      sleep 5

    # during basic setup
    elif [ ${setupStep} -lt 65 ]; then

      # setup process has not started yet
      l1="Login to your RaspiBlitz with:\n"
      l2="ssh admin@${localip}\n"
      l3="Use your password A\n"
      boxwidth=$((${#localip} + 24))
      sleep 3
      dialog --backtitle "RaspiBlitz ${localip} - Welcome (${setupStep})" --infobox "$l1$l2$l3" 5 ${boxwidth}
      sleep 5

    # when blockchain and lightning are running
    elif [ ${setupStep} -lt 100 ]; then

      # when entering first time after boot -  display a delay
      if [ ${freshstart} -eq 1 ]; then
        dialog --pause "  Waiting for ${network} to startup and init ..." 8 58 130
        freshstart=0
      fi

      # get state of system
      if [ ${#chain} -eq 0 ];then
        # get chain if not available before
        chain=$(sudo -u bitcoin ${network}-cli -datadir=/home/bitcoin/.${network} getblockchaininfo 2>/dev/null | jq -r '.chain')
      fi
      lndSynced=$(sudo -u bitcoin /usr/local/bin/lncli --chain=${network} getinfo 2>/dev/null | jq -r '.synced_to_chain' | grep -c true)
      locked=$(sudo tail -n 1 /mnt/hdd/lnd/logs/${network}/${chain}net/lnd.log 2>/dev/null | grep -c unlock)

      if [ ${locked} -gt 0 ]; then

        # special case: LND wallet is locked ---> show unlock info
        l1="!!! LND WALLET IS LOCKED !!!\n"
        l2="Login: ssh admin@${localip}\n"
        l3="Use your Password A\n"
        boxwidth=$((${#localip} + 24))
        dialog --backtitle "RaspiBlitz ${localip} - Action Required" --infobox "$l1$l2$l3" 5 ${boxwidth}
        sleep 5

      elif [ ${lndSynced} -eq 0 ]; then

        # special case: LND is syncing
        /home/admin/80scanLND.sh
        sleep 20

      else

        # setup in progress without special case - password has been changed
        l1="Login to your RaspiBlitz with:\n"
        l2="ssh admin@${localip}\n"
        l3="Use your Password A\n"
        boxwidth=$((${#localip} + 24))
        sleep 3
        dialog --backtitle "RaspiBlitz ${localip} - Welcome (${setupStep})" --infobox "$l1$l2$l3" 5 ${boxwidth}
        sleep 10

      fi

    else

      # RASPIBLITZ iS FULL SETUP

      # check if bitcoin is ready
      sudo -u bitcoin ${network}-cli -datadir=/home/bitcoin/.${network} getblockchaininfo 1>/dev/null 2>error.tmp
      clienterror=`cat error.tmp`
      rm error.tmp
      if [ ${#clienterror} -gt 0 ]; then
        l1="Waiting for ${network}d to get ready.\n"
        l2="(starting up)\n"
        l3="Can take longer if devcie was off."
        isVerifying=$(echo "${clienterror}" | grep -c 'Verifying blocks')
        if [ ${isVerifying} -gt 0 ]; then
          l2="(verifying blocks)\n"
        fi
        boxwidth=42
        dialog --backtitle "RaspiBlitz ${localip} - Welcome" --infobox "$l1$l2$l3" 5 ${boxwidth}
        sleep 5
      else

        # check if locked
        locked=$(sudo -u admin lncli --chain=${network} getinfo 2>&1 | grep -c unlock) 
        if [ "${locked}" -gt 0 ]; then

          # special case: LND wallet is locked ---> show unlock info
          l1="!!! LND WALLET IS LOCKED !!!\n"
          l2="Login: ssh admin@${localip}\n"
          l3="Use your Password A\n"
          boxwidth=$((${#localip} + 24))
          dialog --backtitle "RaspiBlitz ${localip} - Welcome" --infobox "$l1$l2$l3" 5 ${boxwidth}
          sleep 5

        else

          # no special case - show status display
	        /home/admin/00infoBlitz.sh
	        sleep 5

        fi

      fi

    fi
  done

fi