#!/bin/sh

#When hashrate falls below `minimal_hashrate` the alarm goes off.
minimal_hashrate=30

#Only if current time is more than `first_active_hour` the script can raise alarm. This is to be quiet during the night.
first_active_hour=10

#To change the number of idle seconds after checking metrics modify the following variable:
script_frequency=300

#P2Pool:
pool_addr="http://pool.fabulouspanda.co.uk:9332"
btc_addr="1DmMArx84zA6fpAsvDzrR1hsjnFgC5h6EK"

#Helper variables:
last_hash=""
pool_fee=""
first_run="yes"

echo -en "\033]0;ASIC Stats\a"

while :
do
hashrate=`curl -s $pool_addr'/local_stats' | grep -Po '"'$btc_addr'":(.+?),' | tail -1 | cut -d' ' -f 2 | cut -d'.' -f 1`
newest_hash=`curl -s $pool_addr'/recent_blocks' | grep -Po '"hash":(.+?),' | head -1 | cut -d' ' -f 2 | cut -d'"' -f 2`
now=`date`
hour=`date +%H`
orig="$hashrate"
if echo "$hashrate" | egrep -q '^[0-9]+$'; then
    hashrate=$(($hashrate/1000000000))
    printf "%s: Hashrate: %-16s%8s " "$now" "\"$orig\"" "$hashrate GHs"
else
    hashrate=0
    printf "%s:           %24s " "$now" "NO CONNECTION"
fi

if test "$minimal_hashrate" -gt "$hashrate"
then
    printf "(\033[1;31m%s\033[0m)\n" 'FAIL'    
    test "$hour" -gt "$first_active_hour" && (beep -l 350 -f 392 -D 100)
else
    printf "(\033[1;32m%s\033[0m)\n" 'OK'
fi

if [ "$last_hash" != "$newest_hash" ]
then   
    if [ "$first_run" != "yes" ]
    then   
        payout=`curl -s $pool_addr'/current_payouts' | grep -Po '"'$btc_addr'":(.+?),' | cut -d' ' -f 2 | cut -d',' -f 1`    
        pool_fee=`curl -s $pool_addr'/fee'`    
        printf "\033[1;35m%s\033[0m\n" "$newest_hash"
        printf "Payout:       \033[1;33m%46s\033[0m BTC\n" "+$payout"
        printf "Pool fee:     \033[1;31m%46s\033[0m %%\n" "$pool_fee"    
        test "$hour" -gt "$first_active_hour" && (beep -l 300 -f 100 -n -l 300 -f 112 -n -l 300 -f 126 -n -l 300 -f 100 -n -l 300 -f 100 -n -l 300 -f 112 -n -l 300 -f 126 -n -l 300 -f 100 -n -l 300 -f 126 -n -l 300 -f 133 -n -l 600 -f 150 -n -l 300 -f 126 -n -l 300 -f 133 -n -l 600 -f 150 -n -l 150 -f 150 -n -l 150 -f 168 -n -l 150 -f 150 -n -l 150 -f 133 -n -l 300 -f 126 -n -l 300 -f 100 -n -l 150 -f 150 -n -l 150 -f 168 -n -l 150 -f 150 -n -l 150 -f 133 -n -l 300 -f 126 -n -l 300 -f 100 -n -l 300 -f 100 -n -l 300 -f 75 -n -l 600 -f 100 -n -l 300 -f 100 -n -l 300 -f 75 -n -l 600 -f 100)
    else
        printf "\033[1;35m%s\033[0m\n" "$newest_hash"
    fi
    last_hash=$newest_hash    
fi
first_run=""
sleep "$script_frequency"
done