auto-switching best-profit GPU mining on GNU+Linux

mine.sh

#!/bin/sh
# REQUIRES jq (https://stedolan.github.io/jq)
#      AND ccminer (https://github.com/tpruvot/ccminer)
#      AND eqm (https://github.com/nicehash/nheqminer)
#      (all in PATH)
#
# This program auto-switches miners for best profit.
#
# Copyright 2017  Lucas Morales <lucas@lucasem.com>
#
# 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.
#
# donations welcome!
#  btc:1FfJLQaArZmyfSULPXcDXJobGghf3PRqYD
#  zec:t1YNLtZAQ59mzjYbFy1RfLjkkk4T967cSCn

### CONSTANTS (set these) ###
BTC_ADDR=1FfJLQaArZmyfSULPXcDXJobGghf3PRqYD
REGION=usa # nicehash region
NOTIFY= # notify-send or similar
CALC_DATA= # occupy the following with your appropriate stats
CALC_DATA+="&fa0=0"     # scrypt          (MH/s)
CALC_DATA+="&fa1=0"     # sha256          (TH/s)
CALC_DATA+="&fa2=0"     # scryptnf        (MH/s)
CALC_DATA+="&fa3=23.3"  # x11             (MH/s)
CALC_DATA+="&fa4=17.6"  # x13             (MH/s)
CALC_DATA+="&fa5=1150"  # keccak          (MH/s)
CALC_DATA+="&fa6=17.1"  # x15             (MH/s)
CALC_DATA+="&fa7=70"    # nist5           (MH/s)
CALC_DATA+="&fa8=1.8"   # neoscrypt       (MH/s)
CALC_DATA+="&fa9=10"    # lyra2re         (MH/s)
CALC_DATA+="&fa10=150"  # whirlpoolx      (MH/s)
CALC_DATA+="&fa11=34"   # qubit           (MH/s)
CALC_DATA+="&fa12=0"    # quark           (MH/s)
CALC_DATA+="&fa13=0"    # axiom           (kH/s)
CALC_DATA+="&fa14=64"   # lyra2rev2       (MH/s)
CALC_DATA+="&fa15=2.18" # scryptjanenf16  (kH/s)
CALC_DATA+="&fa16=15.5" # blake256r8      (GH/s)
CALC_DATA+="&fa17=0"    # blake256r14     (GH/s)
CALC_DATA+="&fa18=0"    # blake256r8vnl   (GH/s)
CALC_DATA+="&fa19=0"    # hodl            (kH/s)
CALC_DATA+="&fa20=0"    # daggerhashimoto (MH/s)
CALC_DATA+="&fa21=0"    # decred          (GH/s)
CALC_DATA+="&fa22=0"    # cryptonight     (kH/s)
CALC_DATA+="&fa23=0.53" # lbry            (GH/s)
CALC_DATA+="&fa24=630"  # equihash        (Sol/s)
CALC_DATA+="&fa25=0"    # pascal          (GH/s)
CALC_DATA+="&fa26=16.3" # x11gost         (MH/s)
CALC_DATA+="&fa27=0"    # sia             (GH/s)
CALC_DATA+="&fa28=0"    # blake2s         (GH/s)
### END CONSTANTS ###


algo_names=( scrypt sha256 scryptnf x11 x13 keccak x15 nist5 neoscrypt lyra2re whirlpoolx qubit quark axiom lyra2rev2 scryptjanenf16 blake256r8 blake256r14 blake256r8vnl hodl daggerhashimoto decred cryptonight lbry equihash pascal x11gost sia blake2s )
algo_ports=( 3333 3334 3335 3336 3337 3338 3339 3340 3341 3342 3343 3344 3345 3346 3347 3348 3349 3350 3351 3352 3353 3354 3355 3356 3357 3358 3359 3360 3361 )
algo_algos=( scrypt sha256d FAIL x11 x13 keccak x15 nist5 neoscrypt lyra2 whielpool qubit FAIL FAIL lyra2v2 scrypt-jane blakecoin FAIL FAIL FAIL FAIL decred cryptonight lbry equihash FAIL sib sia FAIL )


current_algo=none
current_pid=
current_bin=
while true
do
  algo_idx=$( curl -s 'https://www.nicehash.com/calc' -XPOST --data $CALC_DATA | jq .current_algo )
  name=${algo_names[$algo_idx]}
  port=${algo_ports[$algo_idx]}
  algo=${algo_algos[$algo_idx]}

  # new algo
  if [ "$current_algo" != $algo ] && [ $algo != FAIL ]
  then
    # kill old miner
    if [ -n "$current_pid" ]
    then
      case $current_bin in
        eqm )
          killall -9 eqm # eqm does not politely terminate
          ;;
        * )
          kill $current_pid
          ;;
      esac
    fi

    if command -v "$NOTIFY" &>/dev/null
    then $NOTIFY "mine" "switching from $current_algo to $algo"
    fi
    echo ; echo ; echo
    echo =======================================
    echo "switching from $current_algo to $algo"
    echo =======================================
    echo ; echo ; echo

    # set cuda devices (some algos can't successfully double up)
    case "$algo" in
      blakecoin | decred | lyra2v2 | neoscrypt | x11 | x13 | x15 )
        devices=0,0
        ;;
      * )
        devices=0
        ;;
    esac

    # spawn new miner
    case "$algo" in
      equihash )
        eqm -l $REGION -t 0 -u $BTC_ADDR -w gpu -ca -ca &
        current_pid=$!
        current_bin=eqm
        ;;
      *)
        ccminer --url "stratum+tcp://$name.$REGION.nicehash.com:$port" \
                --user "$BTC_ADDR.gpu" \
                --algo $algo --devices $devices \
                --gpu-clock=1700 --mem-clock=11000 --plimit=300W &
        current_pid=$!
        current_bin=ccminer
        ;;
    esac
    current_algo=$algo
  else echo "========== no algo change ($algo) =========="
  fi
  sleep 60 # update every minute
done

See lucasem/cryptocurrency-things for an up-to-date version.