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Merge pull request #3 from ahanikel/issues/2 

Issue #2: Add previousHash to hashData
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Daxeel Soni 2018-01-29 17:57:07 +05:30 committed by GitHub
parent ea29eca3ce 5cd5d32b8b
commit bee9675c25
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blockchain/chain.py
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@ -17,7 +17,7 @@ class Block:
self.hash = self.calculateHash() self.hash = self.calculateHash()
def calculateHash(self): def calculateHash(self):
hashData = str(self.index) + str(self.data) + self.timestamp + str(self.nonce) hashData = str(self.index) + str(self.data) + self.timestamp + self.previousHash + str(self.nonce)
return hashlib.sha256(hashData).hexdigest() return hashlib.sha256(hashData).hexdigest()
def mineBlock(self, difficulty): def mineBlock(self, difficulty):