Topic: [ANN][XMY] Myriad | Multi-Algo, Fair, Secure - page 232. (Read 849993 times)

[scrypt]
filename = "shortcuts/scrypt.lnk"
hashrate = 835000
enabled = true

[groestl]
filename = "shortcuts/groestl.lnk"
hashrate = 15200000
enabled = true

[skein]
filename = "shortcuts/skein.lnk"
hashrate = 225000000
enabled = true

[qubit]
filename = "shortcuts/qubit.lnk"
hashrate = 5640000
enabled = true

#!/bin/bash

# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see .

####### profit #######
# This script downloads the current profitability measure for the various
# myriadcoin GPU algorithms and automatically switches your rig to mining
# the most profitable one. The profitability data is provided by the kind
# people at http://myriad.theblockexplorer.com and is given in "Coins/Scrypt MH"
#
# Make sure you edit the config section with the details of your mining commands.
# Leave algorithms you don't mine as an empty string.

#### config start ####
export GPU_USE_SYNC_OBJECTS=1
export GPU_MAX_ALLOC_PERCENT=100
scryptminer=""
groestlminer=""
skeinminer=""
qubitminer=""
#### config end ####

# extract values from json
# usage:  jsonval "json string" "valuename"
function jsonval {
    temp=`echo $1 | sed 's/\\\\\//\//g' | sed 's/[{}]//g' | awk -v k="text" '{n=split($0,a,","); for (i=1; i<=n; i++) print a[i]}' | sed 's/\"\:\"/\|/g' | sed 's/[\,]/ /g' | sed 's/\"//g' | grep -w $2 | sed 's/^.*: //g'`
    echo ${temp##*|}
}

# get JSON of algo profits from block explorer
json=`curl -s -X GET http://myriad.theblockexplorer.com/api.php?mode=profit`

# pull the values for each algo from the JSON and round to integer
scryptprofit=`jsonval "$json" "scrypt" | sed 's/\..*//'`
skeinprofit=`jsonval "$json" "skein" | sed 's/\..*//'`
qubitprofit=`jsonval "$json" "qubit" | sed 's/\..*//'`
groestlprofit=`jsonval "$json" "groestl" | sed 's/\..*//'`

echo "scrypt profit: $scryptprofit"
echo "skein profit: $skeinprofit"
echo "qubit profit: $qubitprofit"
echo "groestl profit: $groestlprofit"

# now find the most profitable algo
winner="none"
max=0

if [ $scryptprofit -gt $max ] && [ "$scryptminer" != "" ]
then
    max=$scryptprofit
    winner="scrypt"
fi
if [ $skeinprofit -gt $max ] && [ "$skeinminer" != "" ]
then
    max=$skeinprofit
    winner="skein"
fi
if [ $qubitprofit -gt $max ] && [ "$qubitminer" != "" ]
then
    max=$qubitprofit
    winner="qubit"
fi
if [ $groestlprofit -gt $max ] && [ "$groestlminer" != "" ]
then
    max=$groestlprofit
    winner="groestl"
fi

# now we know which algo is winning, switch to mining it
case "$winner" in
    "scrypt") echo "switching to scrypt"
       killall cgminer
       killall sgminer
       sleep 3
       /usr/bin/screen -d -m -S miner $scryptminer &
       ;;
    "groestl") echo "switching to groestl"
       killall cgminer
       killall sgminer
       sleep 3
       /usr/bin/screen -d -m -S miner $groestlminer &
       ;;
    "skein") echo "switching to skein"
       killall cgminer
       killall sgminer
       sleep 3
       /usr/bin/screen -d -m -S miner $skeinminer &
       ;;
    "qubit") echo "switching to qubit"
       killall cgminer
       killall sgminer
       sleep 3
       /usr/bin/screen -d -m -S miner $qubitminer &
       ;;
    "none") echo "couldn't find an algo to mine :("
       ;;
esac