def create_block(self, data):
last_block = self.handler.blockchain.get_last_blocks()
block = Block(last_block[0].index + 1, data, last_block[0].hash,
datetime.now(), str(self.handler.server_host))
block.mine(number_0=self.handler.blockchain.number_0)
message = "****"
message += "mined_block|"
message += json.dumps(block, cls=BlockEncoder)
self.handler.blockchain.new_block(block)
self.handler.send_message_to_all(message)
message_dict = {"sender": "Me", "content": message}
self.handler.message_list.append(message_dict)
def create_block(self):
"""
Create a block from what is typed in the GUI, mine it and send it
"""
data = self.dataText.toPlainText()
last_block = self.handler.blockchain.get_last_blocks()
block = Block(last_block[0].index + 1, data, last_block[0].hash,
datetime.now(), str(self.handler.server_host))
block.mine(number_0=self.handler.blockchain.number_0)
message = "****"
message += "mined_block|"
message += json.dumps(block, cls=BlockEncoder)
self.handler.blockchain.new_block(block)
self.handler.send_message_to_all(message)
message_dict = {"sender": "Me", "content": message}
self.handler.message_list.append(message_dict)
class test_block(unittest.TestCase):
def setUp(self):
self.sample_block = Block('0x123fff', 123123123, 'my_doc')
def test_mine_hash_val_less_than_target(self):
# arrange
difficulty = 3
# act
hash_val = self.sample_block.mine(difficulty)
# assert
assert hash_val < 2**(257 - difficulty) - 1
def addBlock(self, data):
previousBlock = self.blocks[-1]
block = Block.mine(previousBlock, data)
self.blocks.append(block)
return block
