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n8foo/base 58 functions

Last active August 29, 2015 13:56
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base 58 functions
alphabet = '123456789abcdefghijkmnopqrstuvwxyzABCDEFGHJKLMNPQRSTUVWXYZ'
base = len(alphabet)
def b58enc(div, s=''):
if div >= base:
div, mod = divmod(div, base)
return b58enc(div, alphabet[mod] + s)
return alphabet[div] + s
def b58dec(s):
return sum(alphabet.index(c) * pow(base, i) for i, c in enumerate(reversed(s)))
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