def test_validate_linked_double_pay_fraud(self):
db = MockDatabase()
(block1, _, _, _) = TestBlocks.setup_validate()
# Act
db.add_block(block1)
db.add_block(
TrustChainBlock.create(block1.transaction, db,
block1.link_public_key, block1))
block2 = TrustChainBlock.create(block1.transaction, db,
block1.link_public_key, block1)
result = block2.validate(db)
self.assertEqual(result[0], ValidationResult.invalid)
self.assertIn("Double countersign fraud", result[1])
def test_validate_linked_mismatch(self):
db = MockDatabase()
(block1, block2, _, _) = TestBlocks.setup_validate()
# Act
db.add_block(block1)
block3 = TrustChainBlock.create(block2.transaction, db,
block2.link_public_key, block1)
result = block3.validate(db)
self.assertEqual(result[0], ValidationResult.invalid)
self.assertIn("Public key mismatch on linked block", result[1])
def test_validate_linked_valid(self):
db = MockDatabase()
(block1, block2, _, _) = TestBlocks.setup_validate()
db.add_block(block2)
# Act
db.add_block(
TrustChainBlock.create(block1.transaction, db,
block1.link_public_key, block1))
result = block1.validate(db)
self.assertEqual(result[0], ValidationResult.valid)
def test_create_genesis(self):
key = ECCrypto().generate_key(u"curve25519")
db = MockDatabase()
block = TrustChainBlock.create({'id': 42},
db,
key.pub().key_to_bin(),
link=None)
self.assertEqual(block.previous_hash, GENESIS_HASH)
self.assertEqual(block.sequence_number, GENESIS_SEQ)
self.assertEqual(block.public_key, key.pub().key_to_bin())
self.assertEqual(block.signature, EMPTY_SIG)
def test_create_next(self):
db = MockDatabase()
prev = TestBlock()
prev.sequence_number = GENESIS_SEQ
db.add_block(prev)
block = TrustChainBlock.create({'id': 42},
db,
prev.public_key,
link=None)
self.assertEqual(block.previous_hash, prev.hash)
self.assertEqual(block.sequence_number, 2)
self.assertEqual(block.public_key, prev.public_key)
def test_create_link_genesis(self):
key = ECCrypto().generate_key(u"curve25519")
db = MockDatabase()
link = TestBlock()
db.add_block(link)
block = TrustChainBlock.create({'id': 42},
db,
key.pub().key_to_bin(),
link=link)
self.assertEqual(block.previous_hash, GENESIS_HASH)
self.assertEqual(block.sequence_number, GENESIS_SEQ)
self.assertEqual(block.public_key, key.pub().key_to_bin())
self.assertEqual(block.link_public_key, link.public_key)
self.assertEqual(block.link_sequence_number, link.sequence_number)