class BlockChainTestCase(unittest.TestCase):
filename = 'test_blockchain.dat'
content = ['The quick brown fox jumps over the lazy dog.', 'Another day, another 50 cents.', "All's well that ends well", 'Four score and seven years ago...']
zero_digest = bytes(32)
def setUp(self):
self.block_chain = BlockChain()
self.factory = BlockFactory()
def tearDown(self):
del self.block_chain
del self.factory
def test_saveToFile(self):
num_contents = len(self.content)
for i in range(num_contents):
self.createBlock(self.content[i])
block_count = self.block_chain.saveToFile(self.filename)
self.assertEqual(block_count, num_contents, 'Incorrect block count')
def test_loadFromFile(self):
blocks_loaded = self.block_chain.loadFromFile(self.filename)
for i in range(blocks_loaded):
content = self.block_chain.getBlockContent(i)
content_string = content.decode('utf-8')
self.assertEqual(self.content[i], content_string, 'Wrong content loaded')
def test_walkChain(self):
# Load the block chain
blocks_loaded = self.block_chain.loadFromFile(self.filename)
self.assertTrue(blocks_loaded > 0, "No blocks loaded!")
# start with the top
digest = self.block_chain.getLastBlockDigest()
while digest != self.zero_digest:
block = self.block_chain.getBlockWithDigest(digest)
content = block.getContent()
logging.debug('content: %s; digest: %s', content.decode('utf-8'), digest.hex())
digest = block.getPreviousBlockHash()
def createBlock(self, text):
content = text.encode()
block_object = self.factory.createNew(content)
pbhd = self.block_chain.getLastBlockDigest()
block_object.farm(pbhd)
height = self.block_chain.addBlock(block_object)
PrivateChannel_Network = np.zeros(
(size, size)) #Graph of PrivateChannel among users
PrivateChannel_Network[:][:] = 999
for i in range(size):
PrivateChannel_Network[i][i] = 0
#First Transaction of the server is setting the primary properties in Admin account
Base_Trx = Transaction(sender=000,
receiver=AdminID,
amount=Total_Token,
obj=['Equipment', Total_Equipment])
Transactions_que.append(Base_Trx)
Transactions_que.append(Admin)
#Block's default setting [Genesis] <- [Admin data]
GameData = BlockChain()
GameData.addBlock(data=Transactions_que)
Transactions_que = []
#Create Miner
Miner = Miner(MinerID, GameData)
def MakeUserAccount(UserID, Users):
"""
UserID : <int>
Users : <dict>
Returns account (Account object)
"""
#Make a Account and for the scenario,
#Assume every User has 10 equipment and 10000 tokens
user = Account(UserID)
from blockchain import BlockChain
myChain = BlockChain()
myChain.addBlock("first block")
myChain.addBlock("second block")
myChain.addBlock("third block")
myChain.addBlock("forth block")
for block in myChain.getBlocks():
print block.getData()
print myChain.getBlock(1).getData()
from blockchain import BlockChain
if __name__ == "__main__" :
blockchain = BlockChain()
firstBlock = blockchain.firstBlock()
blockchain.addBlock(firstBlock)
for i in range(0, 100):
newBlock = blockchain.generateBlock()
blockchain.addBlock(newBlock)
print "Block #{} Added!".format(newBlock.index)
print "Hash: {}\n".format(newBlock.hash)
