toychain/t/hashcash.t

#!/usr/bin/perl

#
# Intent:
#  testing it !
#
# Note:
#   This work has been done during my time at Doctor I·T
# 
# -- Copyright drit, 2021 --
#
BEGIN { if (-e $ENV{SITE}.'/lib') { use lib $ENV{SITE}.'/lib'; } }

printf "// initialization $0\n";
#use if -e $LIB, $LIB.'/seed';
use seed qw(rand64);
use toychain qw(hashcash);

printf "// testing $0\n";

&seed::setseed(0x2f392c85);

# f96885aa : 21.4min
# 044ce1de : 20.5min
my $n0 = rand64(); # n < 18446744073709551616
printf "n0:%s\n",$n0;

#my ($hc,$n) = &hashcash('SHA256','some data',12131054599640746025,6);
#my ($hc,$n) = &hashcash('SHA256','some data',12131054600136590019,8);
my ($hc,$n) = &hashcash('SHA256','some data',12131054604673102375,9);
printf "hc: %s %s %s\n",unpack('H*',$hc),$n,unpack'H*',pack('Q',$n);

#($hc,$n) = &hashcash('SHA256','hello world',$n0,5);
#printf "hc: %s %x %s\n",unpack('H*',$hc),$n,unpack'H*',pack('Q',$n);
#my ($hc,$n) = &hashcash('SHA256','hello world',$n0,'abcdef');
#printf "hc: %s %x %s\n",unpack('H*',$hc),$n,unpack'H*',pack('Q',$n);

printf "// done $0\n";

exit $?;


1;