bulwarkupdate

#!/bin/bash

TARBALLURL=$(curl -s https://api.github.com/repos/bulwark-crypto/bulwark/releases/latest | grep browser_download_url | grep -e "bulwark-node.*linux64" | cut -d '"' -f 4)
TARBALLNAME=$(curl -s https://api.github.com/repos/bulwark-crypto/bulwark/releases/latest | grep browser_download_url | grep -e "bulwark-node.*linux64" | cut -d '"' -f 4 | cut -d "/" -f 9)
BWKVERSION=$(curl -s https://api.github.com/repos/bulwark-crypto/bulwark/releases/latest | grep browser_download_url | grep -e "bulwark-node.*linux64" | cut -d '"' -f 4 | cut -d "/" -f 8)

LOCALVERSION=$(bulwark-cli --version | cut -d " " -f 6)
REMOTEVERSION=$(curl -s https://api.github.com/repos/bulwark-crypto/bulwark/releases/latest | jq -r ".tag_name")

if [[ "$LOCALVERSION" = "$REMOTEVERSION" ]]; then
  echo "No update necessary."
  exit 0
fi

if [ "$(id -u)" != "0" ]; then
  echo "This script must be run as root."
  exit 1
fi

USER=$(ps -o user= -p "$(pgrep bulwarkd)")
USERHOME=$(eval echo "~$USER")

echo "Downloading new version..."
wget "$TARBALLURL"

echo "Shutting down masternode..."
if [ -e /etc/systemd/system/bulwarkd.service ]; then
  systemctl stop bulwarkd
else
  su -c "bulwark-cli stop" "$USER"
fi

echo "Installing Bulwark $BWKVERSION..."
rm /usr/local/bin/bulwarkd /usr/local/bin/bulwark-cli
tar -xzvf "$TARBALLNAME" -C /usr/local/bin
rm "$TARBALLNAME"

if [ -e /usr/bin/bulwarkd ];then rm -rf /usr/bin/bulwarkd; fi
if [ -e /usr/bin/bulwark-cli ];then rm -rf /usr/bin/bulwark-cli; fi
if [ -e /usr/bin/bulwark-tx ];then rm -rf /usr/bin/bulwark-tx; fi

# Remove addnodes from bulwark.conf
sed -i '/^addnode/d' "$USERHOME/.bulwark/bulwark.conf"

# Add Fail2Ban memory hack if needed
if ! grep -q "ulimit -s 256" /etc/default/fail2ban; then
  echo "ulimit -s 256" | sudo tee -a /etc/default/fail2ban
  systemctl restart fail2ban
fi

echo "Restarting Bulwark daemon..."
if [ -e /etc/systemd/system/bulwarkd.service ]; then
  systemctl disable bulwarkd
  rm /etc/systemd/system/bulwarkd.service
fi

cat > /etc/systemd/system/bulwarkd.service << EOL
[Unit]
Description=Bulwarks's distributed currency daemon
After=network-online.target
[Service]
Type=forking
User=${USER}
WorkingDirectory=${USERHOME}
ExecStart=/usr/local/bin/bulwarkd -conf=${USERHOME}/.bulwark/bulwark.conf -datadir=${USERHOME}/.bulwark
ExecStop=/usr/local/bin/bulwark-cli -conf=${USERHOME}/.bulwark/bulwark.conf -datadir=${USERHOME}/.bulwark stop
Restart=on-failure
RestartSec=1m
StartLimitIntervalSec=5m
StartLimitInterval=5m
StartLimitBurst=3
[Install]
WantedBy=multi-user.target
EOL
sudo systemctl enable bulwarkd
sudo systemctl start bulwarkd

rm -f /usr/local/bin/bulwarkupdate
curl -o /usr/local/bin/bulwarkupdate https://raw.githubusercontent.com/bulwark-crypto/Bulwark-MN-Install/master/bulwarkupdate
chmod a+x /usr/local/bin/bulwarkupdate

if ! systemctl status bulwarkd | grep -q "active (running)"; then
  echo "ERROR: Failed to start bulwarkd. Please contact support."
  exit
fi

echo "Masternode is syncing. Masternode update completed."