def test_to_dict():
actual_transaction = 'transaction'
actual_previous_block = 'previous_block'
block = Block(actual_transaction, actual_previous_block)
assert isinstance(block.to_dict(), dict) == True
assert block.to_dict()['transaction'] == json.dumps(actual_transaction)
assert block.to_dict()['previous_block'] == actual_previous_block
def test_get_hash():
bm = BlockchainManager(None)
block = Block('transaction', 'prev_block_hash')
block_json = json.dumps(block.to_dict(), sort_keys=True)
hash_b = hashlib.sha256(
hashlib.sha256(block_json.encode('utf-8')).digest()).digest()
actual_hash = binascii.hexlify(hash_b).decode('ascii')
assert bm.get_hash(block.to_dict()) == actual_hash
def test_to_dict(self):
block = Block(
0, 0, '0', 'Welcome to blockchain cli!',
'8724f78170aee146b794ca6ad451d23c254717727e18e2b9643b81d5666aa908',
1520572079.336289)
block_dict = {
'index':
0,
'previous_hash':
'0',
'timestamp':
1520572079.336289,
'data':
'Welcome to blockchain cli!',
'nonce':
0,
'hash':
('8724f78170aee146b794ca6ad451d23c254717727e18e2b9643b81d5666aa'
'908')
}
self.assertEqual(block.to_dict(), block_dict)
