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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
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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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@ -1,12 +1,11 @@
import hashlib
import time
def proof_of_work(difficulty: int) -> int:
"""
Simulates a Proof of Work mining process.
The miner must find a nonce such that the hash of the nonce starts
The miner must find a nonce such that the hash of the nonce starts
with a specific number of leading zeros (difficulty).
Args:
@ -20,13 +19,11 @@ def proof_of_work(difficulty: int) -> int:
>>> isinstance(result, int)
True
"""
prefix = "0" * difficulty
prefix = '0' * difficulty
nonce = 0
start = time.time() # Timing starts
while True:
hash_result = hashlib.sha256(f"{nonce}".encode()).hexdigest()
if hash_result.startswith(prefix):
end = time.time() # Timing ends
return nonce
nonce += 1