# Check if a given set of niggers were mined
success=$(base64 -d ~/NGRwallet | rngtest 2> >(grep "successes" | awk -F': ' '{print $3}'))
failure=$(base64 -d ~/NGRwallet | rngtest 2> >(grep "failures" | awk -F': ' '{print $3}'))
if (($success >= $failure*2)); then
    echo "valid wallet";
fi