def test_invalid_payload_receiver(self):
"""
Tests that an exception is thrown when given an invalid receiver
"""
# Test invalid type (non hex)
tx_struct = TestSwapTransaction.create_tx_struct(100)
tx_struct.payload.sender = ''.join(['X' for _ in range(64)])
tx = SwapTransaction.from_data(tx_struct, validate=False)
self.assertRaises(Exception, tx.validate_payload)
# Test invalid length
tx_struct = TestSwapTransaction.create_tx_struct(100)
tx_struct.payload.sender = ''.join(['a' for _ in range(50)])
tx = SwapTransaction.from_data(tx_struct, validate=False)
self.assertRaises(Exception, tx.validate_payload)
def test_validation(self):
"""
Tests that all validation passes with a correct struct
"""
tx_struct = TestSwapTransaction.create_tx_struct(333)
tx = SwapTransaction.from_data(tx_struct, validate=True)
self.assertTrue(True)
def test_from_data(self):
"""
Tests from_data with a valid capnp struct (no validation)
"""
tx_struct = TestSwapTransaction.create_tx_struct(250)
tx = SwapTransaction.from_data(tx_struct, validate=False)
self.__assert_struct_equal_object(tx_struct, tx)
def test_serialization(self):
"""
Tests that serialize and from_bytes are inverse operations
"""
tx_struct = TestSwapTransaction.create_tx_struct(100)
struct_binary = tx_struct.to_bytes_packed()
tx = SwapTransaction.from_data(tx_struct, validate=False)
def test_invalid_expiration(self):
"""
Tests that an exception is thrown when given an invalid expiration. Expirations have to exist in the future
"""
# Test amount is 0
tx_struct = TestSwapTransaction.create_tx_struct(1, None, int(time.time())-1)
tx = SwapTransaction.from_data(tx_struct, validate=False)
self.assertRaises(Exception, tx.validate_payload)
def test_invalid_hashlock(self):
"""
Tests that an exception is thrown when given an invalid hashlock. Hashlocks are at maximum 64 bytes long
"""
# Test amount is 0
tx_struct = TestSwapTransaction.create_tx_struct(1, secrets.token_bytes(128))
tx = SwapTransaction.from_data(tx_struct, validate=False)
self.assertRaises(Exception, tx.validate_payload)
def test_invalid_payload_amount(self):
"""
Tests that an exception is thrown when given an invalid amount. Note we don't have to check if amount is negative
explicity because amount is stored as a 64 bit unsigned integer, and trying to assign it to a negative signed
integer value will throw an exception.
"""
# Test amount is 0
tx_struct = TestSwapTransaction.create_tx_struct(0)
tx = SwapTransaction.from_data(tx_struct, validate=False)
self.assertRaises(Exception, tx.validate_payload)
def test_invalid_signature(self):
"""
Tests that an exception is thrown when given an invalid signature
"""
# Test invalid type (non hex)
tx_struct = TestSwapTransaction.create_tx_struct(100)
tx_struct.metadata.signature = ''.join(['X' for _ in range(128)])
tx = SwapTransaction.from_data(tx_struct, validate=False)
self.assertRaises(Exception, tx.validate_signature)
# Test invalid length
tx_struct = TestSwapTransaction.create_tx_struct(100)
tx_struct.metadata.signature = ''.join(['X' for _ in range(44)])
tx = SwapTransaction.from_data(tx_struct, validate=False)
self.assertRaises(Exception, tx.validate_signature)
# Test invalid signature
tx_struct = TestSwapTransaction.create_tx_struct(100)
tx_struct.metadata.signature = ''.join(['a' for _ in range(128)])
tx = SwapTransaction.from_data(tx_struct, validate=False)
self.assertRaises(Exception, tx.validate_signature)
def test_invalid_pow(self):
"""
Tests that an exception is thrown when given an invalid proof
"""
# Test invalid type (non hex)
tx_struct = TestSwapTransaction.create_tx_struct(100)
tx_struct.metadata.proof = ''.join(['X' for _ in range(32)])
tx = SwapTransaction.from_data(tx_struct, validate=False)
self.assertRaises(Exception, tx.validate_pow)
# Test invalid length
tx_struct = TestSwapTransaction.create_tx_struct(100)
tx_struct.metadata.proof = ''.join(['a' for _ in range(30)])
tx = SwapTransaction.from_data(tx_struct, validate=False)
self.assertRaises(Exception, tx.validate_pow)
# Test invalid proof
tx_struct = TestSwapTransaction.create_tx_struct(100)
tx_struct.metadata.proof = ''.join(['a' for _ in range(32)])
tx = SwapTransaction.from_data(tx_struct, validate=False)
self.assertRaises(Exception, tx.validate_pow)