config-only

#### config ####

## install directory -- default: ${HOME}
DIR="/opt" 

## max inbound connections -- default: 8
MAXINBOUND=50

## BIP37 (boolean)
BIP="true"

## HTTP-HOST -- default: 127.0.0.1
HTTPHOST="0.0.0.0"

## Nameserver
NSHOST="0.0.0.0"
NSPORT=5349

## Recursive server
RSHOST="0.0.0.0"
RSPORT=5350

## Log options
LOGLEVEL="info"

## Node api key
APIKEY="<key>"

#### script ####
if [ ! -f "/etc/debian_version" ]; then
  echo "Install script only for Ubuntu/Debian!"
  exit 1
fi

B="\e[1m"
G="\e[32m"
R="\e[31m"
E="\e[0m"
NL='
'

function check_hsd {
        if pgrep -x "hsd-worker" >/dev/null 2>&1; then
                HSDVERSION="$(hsd-cli info|jq -r .version)"
                HSDRUNNING="true"
        else
                HSDRUNNING="false"
        fi
}

function initialsetup {
  sudo timedatectl set-timezone UTC
  sudo apt-get update && apt-get upgrade -y

  NODE="$(which node)"
  if [ ! "$NODE" ]; then
    echo -e "${R}Node not (properly) installed!${E}"
    exit 1
  fi
}

function install_hsd {
  cd ${DIR}/hsd
}

function service_hsd {
  HSDSVCFILE="/lib/systemd/system/hsd.service"

  HSDSVCTXT=$(echo -e "[Unit]
  Description=hsd
  After=network.target

  [Service]
  Type=simple
  Restart=always
  RestartSec=1
  User=root
  Environment=HSD_PREFIX=${DIR}/.hsd
  ExecStart=${NODE} ${DIR}/hsd/bin/hsd

  [Install]
  WantedBy=multi-user.target
  ")

  echo "$HSDSVCTXT" | sudo tee $HSDSVCFILE > /dev/null

  sudo systemctl daemon-reload
  sudo systemctl enable hsd.service
}

function config_hsd {
  MYIP=$(dig @resolver4.opendns.com myip.opendns.com +short)

  HSDCFGFILE="/opt/.hsd/hsd.conf"

  HSDCFGTXT=$(echo -e "log-level: ${LOGLEVEL}
    listen: true
    bip37: $BIP
    public-host: $MYIP
    http-host: $HTTPHOST
    max-inbound: $MAXINBOUND
    ns-host: $NSHOST
    ns-port: $NSPORT
    rs-host: $RSHOST
    rs-port: $RSPORT
    api-key: $APIKEY
")

  mkdir -p ${DIR}/.hsd
  echo "$HSDCFGTXT" >$HSDCFGFILE
}

function start_hsd {
  sudo systemctl start hsd
  sleep 5s
  if [ "$(systemctl is-active hsd)" = "active" ]; then
    HSDVERSION="$(hsd-cli info|jq -r .version)"
    echo -e "${NL}${G}###${E}"
    echo -e "${NL}${G}hsd $HSDVERSION successfully started as service!${E}"
  else
    echo -e "${NL}${R}hsd service not started!${E}"
    exit 1
  fi
}

function show_config {
  echo -e "
${B}Current hsd config file${E} ($HSDCFGFILE):

###
$(cat $HSDCFGFILE)
###

Syncing the chain may take few hours (depending on hardware/env.)

Currently hsd is set as non-listening node.

Some Commands:
hsd service status:   ${B}systemctl status hsd${E}
hsd service restart:  ${B}sudo systemctl restart hsd${E}
"

if [ "$LISTEN" = "true" ]; then
  echo -e "${G}After the chain is 100% synced${E} please ${G}restart hsd${E} or even reboot
your system to change hsd to a listening public full node with $MAXINBOUND
allowed inbound connections. This is great support for Handshake!"
fi
}

function show_block {
  echo -e "${NL}hsd is running as a service, you can stop this script at any time (Ctrl-C)${NL}"
  while true; do
    HSDINFO="$(hsd-cli info)"
    BLOCK="$(echo "$HSDINFO"|jq .chain.height)"
    PROGESS="$(echo "$HSDINFO"|jq .chain.progress)"
    PROGRESS=$(awk "BEGIN {printf \"%.1f\n\", ${PROGESS}*100}")
    echo -n -e "\r${G}hsd $HSDVERSION is syncing${E} - current block height: ${G}$BLOCK (${PROGRESS%\.*}%)${E}"
    for i in {1..10}; do
      sleep 1s
      printf '.'
    done
  done
}

# Main

check_hsd
if [ "$HSDRUNNING" = "false" ]; then
        initialsetup
        install_hsd
        service_hsd
        config_hsd false
        start_hsd
        show_config
        config_hsd $LISTEN
fi
show_block

exit