# Quarkcoin All-In-One EZ Setup Script
# Hacked together by GigaWatt
# Donations welcome!
#   BTC: 1E2egHUcLDAmcxcqZqpL18TPLx9Xj1akcV
#   XPM: AWHJbwoM67Ez12SHH4pH5DnJKPoMSdvLz2
# Last Update: 27 August, 2013

{
# PUT YOUR SETTINGS HERE
QUARK_USERNAME=""


# Build swapfile
if [[ ! -f /swapfile ]]; then
    echo "Building swapfile..."
    sudo dd if=/dev/zero of=/swapfile bs=64M count=16
    sudo mkswap /swapfile
    sudo swapon /swapfile
    
    # Mount on reboot
    if [[ -z "$(cat /etc/fstab | grep swapfile)" ]]; then
        echo "/swapfile none swap sw 0 0" | sudo tee -a /etc/fstab > /dev/null 2>&1
    fi
fi

# Auto reboot on kernel panic
if [[ -z "$(cat /etc/sysctl.conf | grep '^kernel.panic')" ]]; then
    echo "kernel.panic=3" | sudo tee /etc/sysctl.conf >/dev/null 2>&1
fi


echo "Installing libraries..."
sudo apt-get update
sudo apt-get install build-essential bc curl fail2ban git haveged libboost-all-dev libdb++-dev libminiupnpc-dev libssl-dev m4 nano -y

# Install GMP
cd ~/
rm -rf gmp-5.1.2.tar.bz2 gmp-5.1.2
wget http://mirrors.kernel.org/gnu/gmp/gmp-5.1.2.tar.bz2
tar xjvf gmp-5.1.2.tar.bz2
cd gmp-5.1.2
./configure --enable-cxx
make
sudo make install
rm -rf gmp-5.1.2.tar.bz2 gmp-5.1.2
cd ~/

# Enable HAVEGED for entropy
sudo update-rc.d haveged defaults
sudo service haveged restart


echo "Downloading and building quark..."
cat << "SCRIPT" > ~/build-quarkcoin
#!/bin/bash
[[ -f ~/stop-quarkcoind ]] && ./stop-quarkcoind
if [[ -d ~/quark ]]; then
    cd ~/quark
    git pull
    cd ~/quark/src
    make -f makefile.unix clean
else
    cd ~
    git clone https://github.com/MaxGuevara/quark.git
fi
cd ~/quark/src 
make -f makefile.unix USE_UPNP=- DEBUGFLAGS=""
sudo cp quarkcoind /usr/local/bin/
SCRIPT
chmod +x ~/build-quarkcoin
~/build-quarkcoin


echo "Building settings and scripts..."
mkdir ~/.quarkcoin
echo "rpcusername=${QUARKCOIN_USERNAME}
rpcpassword=$(cat /dev/urandom | tr -cd '[:alnum:]' | head -c32)
gen=1
genproclimit=-1" > ~/.quarkcoin/quarkcoin.conf


# Notification scripts
cat << "SCRIPT" > ~/notify-block
#!/bin/bash
# YOUR SCRIPT HERE
SCRIPT
chmod +x ~/notify-block

cat << "SCRIPT" > ~/notify-wallet
#!/bin/bash
# YOUR SCRIPT HERE
cp ~/.quarkcoin/wallet.dat ~/${HOSTNAME}.bak
SCRIPT
chmod +x ~/notify-wallet


# Watchdog runner
cat << "SCRIPT" > ~/start-quarkcoind
#!/bin/bash
export PATH="/usr/local/bin:$PATH"
echo Starting quarkcoind
[[ -n "$(pidof quarkcoind)" ]] && killall --older-than 60s -q start-quarkcoind quarkcoind
function background_loop
    while :; do
        quarkcoind -blocknotify="~/notify-block" -walletnotify="~/notify-wallet" >/dev/null 2>&1
        sleep 5
        date >> ~/crash.log
    done
background_loop &
SCRIPT
chmod +x ~/start-quarkcoind
~/start-quarkcoind


# Add to startup
mkdir /var/spool/cron/crontabs/ > /dev/null 2>&1
echo "@reboot ${HOME}/start-quarkcoind" | sudo tee    /var/spool/cron/crontabs/$(whoami) > /dev/null 2>&1
echo ""                                 | sudo tee -a /var/spool/cron/crontabs/$(whoami) > /dev/null 2>&1
sudo chmod 0600 /var/spool/cron/crontabs/$(whoami)
sudo update-rc.d cron defaults


# Watchdog stopper
cat << "SCRIPT" > ~/stop-quarkcoind
#!/bin/bash
killall -q start-quarkcoind
quarkcoind stop
sleep 3
[[ -n "$(pidof quarkcoind)" ]] && killall quarkcoind
SCRIPT
chmod +x ~/stop-quarkcoind

# Watchdog restarter
cat << "SCRIPT" > ~/restart-quarkcoind
#!/bin/bash
~/stop-quarkcoind
~/start-quarkcoind
SCRIPT
chmod +x ~/restart-quarkcoind

# Peek at status
cat << "SCRIPT" > ~/peek
#!/bin/bash
conf=$(quarkcoind getbalance)
unconf=$(quarkcoind getbalance '' 1)
immature=$(echo "scale=4;${unconf} - ${conf}" | bc)
echo "Stats: $(quarkcoind getmininginfo)"
echo "Confirmed Balance:  ${conf}"
echo "Immature Balance:   ${immature}"
echo "Immature TX: $(quarkcoind listtransactions | grep immature | wc -l)"
echo "Connections: $(quarkcoind getconnectioncount)"
SCRIPT
chmod +x ~/peek


# Dump address info
cat << "SCRIPT" > ~/myinfo
#!/bin/bash
for addr in $(quarkcoind listtransactions "" 99999 | grep -C 1 '"generate"\|"receive"' | grep --color=never -o "\b[A-Za-z0-9]\{33,36\}\b" | sort -u); do
    echo Address: ${addr}
    echo PrivKey: $(quarkcoind dumpprivkey ${addr})
    echo
done
SCRIPT
chmod +x ~/myinfo


# Edit quarkcoin config file
cat << "SCRIPT" > ~/config
#!/bin/bash
nano ~/.quarkcoin/quarkcoin.conf
~/stop-quarkcoind
~/start-quarkcoind
SCRIPT
chmod +x ~/config


echo
echo
echo '=========================================================='
echo 'All Done!'
echo 'quarkcoind should be up and running'
echo
echo 'Run ~/start-quarkcoind  to start quarkcoind and begin mining'
echo 'Run ~/stop-quarkcoind   to stop quarkcoind and stop mining'
echo 'Run ~/build-quarkcoin   to update and rebuild quarkcoind'
echo 'Run ~/config            to modify your quarkcoind config file'
echo 'Run ~/peek              to check on your mining status'
echo 'Run ~/myinfo            to view your quarkcoin address and privkey'
}