def test_validate_not_sane_zeroes(self):
db = self.MockDatabase()
block1 = MultiChainBlock()
# Act
block1.up = 0
block1.down = 0
result = block1.validate(db)
self.assertEqual(result[0], ValidationResult.invalid)
self.assertIn("Up and down are zero", result[1])
def test_validate_existing_fraud(self):
# Arrange
db = self.MockDatabase()
(block1, block2, _, _) = TestBlocks.setup_validate()
db.add_block(block1)
db.add_block(block2)
# Act
block3 = MultiChainBlock(block2.pack_db_insert())
block3.previous_hash = sha256(str(random.randint(0, 100000))).digest()
block3.sign(block2.key)
result = block3.validate(db)
# Assert
self.assertEqual(result[0], ValidationResult.invalid)
self.assertIn("Double sign fraud", result[1])
def test_validate_not_sane_negatives(self):
db = self.MockDatabase()
block1 = MultiChainBlock()
# Act
block1.up = -10
block1.down = -20
block1.total_down = -10
block1.total_up = -20
result = block1.validate(db)
self.assertEqual(result[0], ValidationResult.invalid)
self.assertIn("Up field is negative", result[1])
self.assertIn("Down field is negative", result[1])
self.assertIn("Total up field is negative", result[1])
self.assertIn("Total down field is negative", result[1])
def test_validate_existing_hash(self):
# Arrange
db = self.MockDatabase()
(block1, block2, block3, _) = TestBlocks.setup_validate()
db.add_block(block1)
db.add_block(block2)
db.add_block(block3)
# Act
block2 = MultiChainBlock(block2.pack_db_insert())
block2.previous_hash = sha256(str(random.randint(0, 100000))).digest()
block2.sign(db.get(block2.public_key, block2.sequence_number).key)
result = block2.validate(db)
# Assert
self.assertEqual(result[0], ValidationResult.invalid)
self.assertIn('Previous hash is not equal to the hash id of the previous block', result[1])
def test_validate_existing_link_sequence_number(self):
# Arrange
db = self.MockDatabase()
(block1, block2, block3, _) = TestBlocks.setup_validate()
db.add_block(block1)
db.add_block(block2)
db.add_block(block3)
# Act
block2 = MultiChainBlock(block2.pack_db_insert())
block2.link_sequence_number += 100
block2.sign(db.get(block2.public_key, block2.sequence_number).key)
result = block2.validate(db)
# Assert
self.assertEqual(result[0], ValidationResult.invalid)
self.assertIn('Link sequence number does not match known block', result[1])
def test_validate_existing_total_down(self):
# Arrange
db = self.MockDatabase()
(block1, block2, block3, _) = TestBlocks.setup_validate()
db.add_block(block1)
db.add_block(block2)
db.add_block(block3)
# Act
block2 = MultiChainBlock(block2.pack_db_insert())
block2.total_down += 10
block2.sign(db.get(block2.public_key, block2.sequence_number).key)
result = block2.validate(db)
# Assert
self.assertEqual(result[0], ValidationResult.invalid)
self.assertIn('Total down is higher than expected compared to the next block', result[1])
def test_pack(self):
block = MultiChainBlock()
block.up = 3251690667711950702
block.down = 7431046511915463784
block.total_up = 7020667011326177138
block.total_down = 2333265293611395173
block.public_key = ' fish, so sad that it should come to this. - We tried to warn you all but '
block.sequence_number = 1869095012
block.link_public_key = 'ear! - You may not share our intellect, which might explain your disrespec'
block.link_sequence_number = 1949048934
block.previous_hash = 'or all the natural wonders that '
block.signature = 'grow around you. - So long, so long, and thanks for all the fish'
self.assertEqual(block.pack(), '- So long and thanks for all the fish, so sad that it should come to this. - We'
' tried to warn you all but oh dear! - You may not share our intellect, which '
'might explain your disrespect, for all the natural wonders that grow around you'
'. - So long, so long, and thanks for all the fish')
def test_get_statistics(self):
"""
Testing whether the API returns the correct statistics
"""
block = MultiChainBlock()
block.public_key = self.member.public_key
block.link_public_key = "deadbeef".decode("HEX")
block.link_sequence_number = 21
block.up = 42
block.down = 8
block.total_up = 1024
block.total_down = 2048
block.sequence_number = 3
block.previous_hash = "babecafe".decode("HEX")
block.signature = "babebeef".decode("HEX")
self.mc_community.persistence.add_block(block)
def verify_response(response):
response_json = json.loads(response)
self.assertTrue("statistics" in response_json)
stats = response_json["statistics"]
self.assertEqual(stats["id"], self.member.public_key.encode("HEX"))
self.assertEqual(stats["total_blocks"], 3)
self.assertEqual(stats["total_up"], 1024)
self.assertEqual(stats["total_down"], 2048)
self.assertEqual(stats["peers_that_pk_helped"], 1)
self.assertEqual(stats["peers_that_helped_pk"], 1)
self.assertIn("latest_block", stats)
self.assertNotEqual(stats["latest_block"]["insert_time"], "")
self.assertEqual(stats["latest_block"]["hash"], block.hash.encode("HEX"))
self.assertEqual(stats["latest_block"]["link_public_key"], "deadbeef")
self.assertEqual(stats["latest_block"]["link_sequence_number"], 21)
self.assertEqual(stats["latest_block"]["up"], 42)
self.assertEqual(stats["latest_block"]["down"], 8)
self.should_check_equality = False
return self.do_request('multichain/statistics', expected_code=200).addCallback(verify_response)
def _getall(self, query, params):
db_result = self.execute(_header + query, params).fetchall()
return [MultiChainBlock(db_item) for db_item in db_result]
def _get(self, query, params):
db_result = self.execute(_header + query, params).fetchone()
return MultiChainBlock(db_result) if db_result else None
def test_hash(self):
block = MultiChainBlock()
self.assertEqual(block.hash, "\xa1c!\x14\x11\x14\xe4\xb1g\xebB\xae\xc1y-\x0eF\x1d\x94'\x1co\xc5\xe4g\x80\xf1"
"\xc1z\xb0\x12\xd7")