def test_block_fromjson():
sender, recipient = Key(), Key()
trx = Transaction(sender.address, sender.public_key, recipient.address,
'Hello world')
trx.sign(sender.private_key)
block = Node.mine_block(0, 0, [trx])
block2 = Block.from_json(block.json())
assert block.index == block2.index
def test_transaction_fromjson():
sender, recipient = Key(), Key()
trx = Transaction(sender.address, sender.public_key, recipient.address,
'Hello world')
trx.sign(sender.private_key)
doc = trx.json(True)
trx2 = Transaction.from_json(doc)
assert trx.signature == trx2.signature
def post(self):
doc = json.loads(self.request.body)
trx = Transaction(doc['sender_addr'], doc['sender_public'],
doc['recipient_addr'], doc['payload'])
trx.sign(doc['sender_private'])
#: broadcast the new transaction
broadcast_trx(doc)
new_block = node.add_transaction(trx)
#: broadcast new blocks
self.finish(ok())
if new_block:
logging.info("mined new block: %s", new_block.index)
broadcast_block(new_block.json())
def make_chain():
chain = Chain()
sender, recipient = Key(), Key()
trx = Transaction(sender.address, sender.public_key,
recipient.address, "Hi")
trx.sign(sender.private_key)
genesis = Node.mine_block(0, 0, [trx])
chain.add_block(genesis)
for _ in range(1, 2):
trx = Transaction(sender.address, sender.public_key,
recipient.address, "Hi")
trx.sign(sender.private_key)
block = Node.mine_block(chain.height, chain.last_block.hash, [trx])
chain.add_block(block)
return chain
def test_block_validation():
sender, recipient = Key(), Key()
trx = Transaction(sender.address, sender.public_key, recipient.address,
'Hello world')
trx.sign(sender.private_key)
assert Node.mine_block(0, 0, [trx]).is_valid()
def test_transaction_validation():
sender, recipient = Key(), Key()
trx = Transaction(sender.address, sender.public_key, recipient.address,
'Hello world')
trx.sign(sender.private_key)
assert trx.is_valid()