#!/bin/bash
# metiscoin All-In-One EZ Setup Script
# Hacked together by GigaWatt
# Donations welcome!
#   BTC: 1E2egHUcLDAmcxcqZqpL18TPLx9Xj1akcV
#   XPM: AWHJbwoM67Ez12SHH4pH5DnJKPoMSdvLz2
#   SRC: sMCD2p55fkPD6s8EzDrL7vVp8EYqPkJ6mo
#   MTS: MEu8jBkkVvTLwvpiPjWC9YntyDH2u5KwVy
# Last Update: 21 January, 2014

{
# PUT YOUR SETTINGS HERE
YPOOL_WORKER="gigawatt.metiscoin"
YPOOL_WORKERPASS="x"


# 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 dos2unix fail2ban git haveged libboost-all-dev libdb++-dev libminiupnpc-dev libssl-dev m4 nano vim -y


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


echo "Downloading metiscoin miner..."
cat << "SCRIPT" > ~/build-metiscoin-from-git
#!/bin/bash
if [[ -d ~/xptminer ]]; then
    cd ~/xptminer
    git pull
    cd ~/xptminer
    make clean
else
    cd ~
    git clone https://github.com/llamasoft/xptminer-linux.git xptminer
fi
cd ~/xptminer
CFLAGS="-march=native -mtune=native" make
sudo cp xpt /usr/local/bin/xpt
SCRIPT
chmod +x ~/build-metiscoin-from-git
~/build-metiscoin-from-git


echo "Building miner config file..."
echo "export XPT_USER=${YPOOL_WORKER}" > ~/miner.cfg
echo "export XPT_PASS=${YPOOL_WORKERPASS}" >> ~/miner.cfg


# Watchdog runner
cat << "SCRIPT" > ~/start-miner
#!/bin/bash
export PATH="/usr/local/bin:$PATH"
. ~/miner.cfg
cores=$(cat /proc/cpuinfo | grep processor | wc -l)

echo Starting metiscoin miner
killall --older-than 60s -q xpt
rm ~/miner.log > /dev/null 2>&1
function background_loop
    while :; do
        /usr/local/bin/xpt -o ypool.net -u ${XPT_USER} -p ${XPT_PASS} -t ${cores} > ~/miner.log 2>&1
        sleep 5
        date >> ~/crash.log
    done
background_loop &
SCRIPT
chmod +x ~/start-miner
~/start-miner


# Add to startup
mkdir /var/spool/cron/crontabs/ > /dev/null 2>&1
echo "@reboot ${HOME}/start-miner"  | sudo tee    /var/spool/cron/crontabs/$(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-miner
#!/bin/bash
{
    killall -q start-miner xpt
    rm ~/miner.log
} >/dev/null 2>&1
SCRIPT
chmod +x ~/stop-miner

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

# Peek at status
cat << "SCRIPT" > ~/peek
#!/bin/bash
tail -n 20 ~/miner.log
echo
echo
echo '=========================================================='
echo
echo "Memory Info:"
ps fup $(pidof xpt)
echo
free -h
SCRIPT
chmod +x ~/peek


echo
echo
echo '=========================================================='
echo 'All Done!'
echo 'metiscoin miner should be up and running'
echo
echo 'Run ~/start-miner         to start mining'
echo 'Run ~/stop-miner          to stop mining'
echo 'Run ~/restart-miner       to stop and restart the miner'
echo 'Run ~/peek                to check on your mining status'

}