Handbook
Glossary
check-stamp ( stamp -- ? )
Hashcash
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mint* ( tuple -- stamp )
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hashcash
Vocabulary
hashcash
Inputs
stamp
a
string
Outputs
?
a
boolean
Word description
Check for stamp's validity. Only supports hashcash version 1.
See also
mint
,
mint*
,
<hashcash>
,
salt
Definition
USING:
hashcash.private
kernel
math.parser
sequences
splitting
;
IN:
hashcash
:
check-stamp
( stamp -- ? )
dup
":"
split
[
sha1-checksum
get-bits
]
dip
second
string>number
head
all-char-zero?
;