Call REST service script

#!/bin/sh

COUNTER=0
while true
do
  TIME=`gdate +%s.%N`

  # if [ $((COUNTER%10)) -eq 0 ];
  # then
  #   # every tenth invocation will be more than a minute old
  #   TIME=$((TIME - 61000))
  # else
  #   if [ $((COUNTER%5)) -eq 0 ];
  #   then
  #     # every 5th invocation in between will be 15 seconds into the future
  #     TIME=$((TIME + 15000))
  #   fi
  # fi

  BODY="{\"amount\":  $COUNTER, \"timestamp\": $TIME}"
  STATUS=`curl -X POST --write-out %{http_code} -d "$BODY" -H 'content-type: application/json' 'http://localhost:8081/v2/transactions/' --silent`
  echo "POST $STATUS - $BODY"

  RESPONSE=`curl -G 'http://localhost:8081/v2/statistics' --silent`
  echo "GET $RESPONSE"

  COUNTER=$((COUNTER + 1))
  sleep 1
done