check_hashrate.py

#!/usr/bin/python
import os
import sys
import time
import datetime
import commands
import json
gDebugMode = 1
gLogFile = "/home/ethos/gpu_hashrates.log"

def DumpActivity(dumpStr):
  print dumpStr
  pLogFile = open(gLogFile, "a")
  pLogFile.write("%s @ %s\n" % (dumpStr, str(datetime.datetime.now())))
  pLogFile.close()


# wait till 4 minutes runtime, so we can be sure that mining did start
while( float(commands.getstatusoutput("cat /proc/uptime")[1].split()[0]) < 4 * 60):
  time.sleep(5)

current = 0
max = 0

# start checking
while 1:
  status, output = commands.getstatusoutput("echo '{\"id\":0,\"jsonrpc\":\"2.0\",\"method\":\"miner_getstat1\"}' | netcat localhost 3333")
  j = json.loads(output)
  current = sum(map(int, j["result"][3].split(";"))) / 1000.0
  
  if(max < current):
    max = current

  
  # if we have less then 50% of our max hashrate, some shit with claymore went wrong. in our case a nicehash disconnect.
  if( max > 0.00 and (current/max * 100.0) < 50.0):
    DumpActivity("Reboot initiated | Max: " + str(max) + " | Current: " + str(current))
    os.system("sudo reboot")
    break
  time.sleep(30)