48 lines
842 B
Python
48 lines
842 B
Python
from random import randint, random
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from xxhash import xxh32
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# Generate fast hash
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def sha(text):
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text = str(text)
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return xxh32(text).hexdigest()
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# Check if hashes match
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def check(new_hash, zeros):
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if new_hash.startswith('0'*zeros):
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return True
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else:
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return False
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pblock = {
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"ph": "5bb98b81",
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"nonce": 1,
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"ts": "Some transaction data"
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}
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# Block
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ph = sha(pblock)
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block = {
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"ph": ph,
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"nonce": 1,
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"ts": "Some transaction data"
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}
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from time import time
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start_time = time()
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zeros = 4
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MAX_NONCE = 10**10
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while True:
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text = block["ph"] + str(block["nonce"]) + block["ts"]
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if check(sha(text), zeros):
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print("NONCE: ", block["nonce"])
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print("Hash: ", sha(text))
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break
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block["nonce"] = randint(1, MAX_NONCE)
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print("--- %s seconds ---" % (time() - start_time))
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