From 5cd5d32b8b10b3df670f62d16f03c2586bbb45dd Mon Sep 17 00:00:00 2001 From: Axel Hanikel Date: Mon, 29 Jan 2018 12:34:07 +0100 Subject: [PATCH] Issue #2: Add previousHash to hashData --- blockchain/chain.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/blockchain/chain.py b/blockchain/chain.py index e423245..c60c3ed 100644 --- a/blockchain/chain.py +++ b/blockchain/chain.py @@ -16,7 +16,7 @@ class Block: self.hash = self.calculateHash() 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() def mineBlock(self, difficulty):