git.slaskete.net - einar-bin/blob - zec.sh

   1 #!/bin/bash
   2 LC_NUMERIC="en_US.utf-8"
   3 CacheFile="/tmp/coinindex.json"
   4 CacheFile2="/tmp/usd-nok.csv"
   5 ApiURL="https://www.worldcoinindex.com/apiservice/json?key=iOU8ko9QJ01Qj1JXoXfAXaoLD"
   6 ApiURL2="https://data.norges-bank.no/api/data/EXR/B.NOK.USD.SP.A?lastNObservations=1&format=csv-:-tab-false-y"
   7 CacheTime="150" # 150 seconds = 2.5 minutes
   8 NumberRegex="^[0-9]+([.][0-9]+)?$"
   9
  10 if [ -z ${1+x} ]; then
  11   Value=1
  12 else
  13   Value=${1}
  14 fi
  15
  16 if ! [[ ${Value} =~ ${NumberRegex} ]]; then
  17   echo "+++ OUT OF CHEESE ERROR +++"
  18   exit 1
  19 fi
  20
  21 if [ -f ${CacheFile} ]; then
  22   if [ $(stat --format=%Y ${CacheFile}) -le $(( $(date +%s) - ${CacheTime} )) ]; then
  23     wget -q -O ${CacheFile} ${ApiURL}
  24     wget -q -O ${CacheFile2} ${ApiURL2}
  25   fi
  26 else
  27   wget -q -O ${CacheFile} ${ApiURL}
  28   wget -q -O ${CacheFile2} ${ApiURL2}
  29 fi
  30
  31 PriceZECinUSD="$(jq '.Markets | .[] | select(.Name=="Zcash") | .Price_usd' ${CacheFile})"
  32 PriceUSDinNOK="$(tail -n 1 ${CacheFile2} | cut -f 2 | tr -d \")"
  33 PriceZECinNOK="$(echo "${PriceZECinUSD}*${PriceUSDinNOK}" | bc)"
  34
  35 ValueUSD="$(echo "${PriceZECinUSD}*${Value}" | bc | sed 's/^\./0./')"
  36 ValueNOK="$(echo "${PriceZECinNOK}*${Value}" | bc | sed 's/^\./0./')"
  37 ValueUSDPretty="$(printf "%0.4f\n" $ValueUSD)"
  38 ValueNOKPretty="$(printf "%0.4f\n" $ValueNOK)"
  39
  40 echo "${Value} ZEC = \$ ${ValueUSDPretty} (about NOK ${ValueNOKPretty})"