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''' | |
On the 21st of April, in the year of our lord 2021, Amulet v1.1 | |
was released into the world. Naturally, I wrote a dead simple | |
mining program for it. | |
The following program will take an arbitary phrase and surround | |
it with random characters until it can be satisfactorily | |
considered an 'amulet'. | |
[0]: https://text.bargains/amulet/ | |
''' | |
import hashlib as hl | |
import string | |
import random | |
import re | |
AMULET_MAX_LEN = 64 | |
class Poem(str): | |
def __init__(self, *args, **kwargs): | |
return super(Poem, self).__init__(*args, **kwargs) | |
def to_hash(self): | |
return hl.sha256(bytes(self, 'ascii')).hexdigest() | |
def is_amulet(self): | |
digest = self.to_hash() | |
if len(digest) > AMULET_MAX_LEN: | |
return False | |
if not re.search(r'8888+', digest): | |
return False | |
return True | |
class Prospector: | |
def __init__(self, phrase, alphabet=string.printable[:-2]): | |
assert(len(phrase) <= AMULET_MAX_LEN) | |
self.phrase = phrase | |
self.alphabet = alphabet | |
def mine(self): | |
string = random.sample(self.alphabet, AMULET_MAX_LEN) | |
phrase_len = len(self.phrase) | |
pos = random.randrange(0, AMULET_MAX_LEN - phrase_len) | |
poem = string[:pos] + list(phrase) + string[pos + phrase_len:] | |
return Poem(''.join(poem)) | |
if __name__ == '__main__': | |
phrase = ' Huzzah! An amulet!! ' | |
miner = Prospector(phrase) | |
print('Prospecting...') | |
try: | |
while True: | |
poem = miner.mine() | |
if poem.is_amulet(): | |
digest = poem.to_hash() | |
match = re.search(r'8888+', digest) | |
eights = match.group(0) | |
rarity = len(eights) | |
message = digest[:match.start(0)] | |
+ '\033[92m' | |
+ eights | |
+ '\033[0m' | |
+ digest[match.end(0):] | |
print('{} is an amulet with {} eights!'.format(message, rarity)) | |
except KeyboardInterrupt: | |
print('All in a days work.') |
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