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Update proof_of_work.py

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DIVYASREE S 2024-10-10 22:46:12 +05:30 committed by GitHub
parent 5d87a84ca0
commit 9403de6894
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1 changed files with 2 additions and 5 deletions
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blockchain/proof_of_work.py
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@ -1,5 +1,4 @@
import hashlib import hashlib
import time
def proof_of_work(difficulty: int) -> int: def proof_of_work(difficulty: int) -> int:
@ -20,13 +19,11 @@ def proof_of_work(difficulty: int) -> int:
>>> isinstance(result, int) >>> isinstance(result, int)
True True
""" """
prefix = "0" * difficulty prefix = '0' * difficulty
nonce = 0 nonce = 0
start = time.time() # Timing starts
while True: while True:
hash_result = hashlib.sha256(f"{nonce}".encode()).hexdigest() hash_result = hashlib.sha256(f"{nonce}".encode()).hexdigest()
if hash_result.startswith(prefix): if hash_result.startswith(prefix):
end = time.time() # Timing ends
return nonce return nonce
nonce += 1 nonce += 1