def test_sign_transaction(self):
w = Wallet()
w.create_keys()
t = Transaction(w.get_address(), 1, 1)
th = t.get_hash()
self.assertIsNone(t.signature)
self.assertTrue(w.sign_transaction(t))
self.assertIsNotNone(t.signature)
self.assertEqual(t.get_hash(), th)
self.assertTrue(w.verify_transaction(t))
def test_transaction_serialize(self):
t1 = Transaction(0, 1, 2)
t2 = Transaction(0, 1, 2)
self.assertNotEqual(t1.get_hash(), t2.get_hash())
t3 = Transaction.from_json(t1.to_json())
self.assertEqual(t1.get_hash(), t3.get_hash())
self.assertEqual(t1.src, t3.src)
self.assertEqual(t1.dst, t3.dst)
self.assertEqual(t1.qty, t3.qty)
w = Wallet()
w.create_keys()
w.sign_transaction(t1)
t4 = Transaction.from_json(t1.to_json())
self.assertEqual(t1.get_hash(), t4.get_hash())
def test_add_transactions(self):
tp = TransactionPool()
w = Wallet()
w.create_keys()
t = Transaction(w.get_address(), 1, 1)
# Transaction is not signed
self.assertFalse(tp.add_transaction(t))
w.sign_transaction(t)
self.assertTrue(tp.add_transaction(t))
# Canot add the same transaciton multiple times
self.assertFalse(tp.add_transaction(t))
self.assertEqual(len(tp), 1)
t2 = tp.pull_transaction()
self.assertEqual(t.get_hash(), t2.get_hash())
def test_import_transactions(self):
b = Block(0, 0)
w = Wallet()
w.create_keys()
t = Transaction(w.get_address(), 1, 1)
w.sign_transaction(t)
b.add_transaction(t)
tp = TransactionPool()
self.assertTrue(tp.import_transactions(b))
self.assertEqual(len(tp), 1)
t2 = tp.pull_transaction()
self.assertEqual(t.get_hash(), t2.get_hash())
# Importing unsigned transactions returns False
tp = TransactionPool()
t2 = Transaction(0, 1, 1)
b.add_transaction(t2)
self.assertFalse(tp.import_transactions(b))
