def test_invalid_target_proof_parent_merkle_matching(self):
validator = Chainpoint()
receipt = '''{
"header": {
"chainpoint_version": "1.1",
"hash_type": "SHA-256",
"merkle_root": "6faa75ca2c838ceac7fb1b62127cfba51f011813c6c491335c2b69d54dd7d79c",
"tx_id": "b84a92f28cc9dbdc4cd51834f6595cf97f018b925167c299097754780d7dea09",
"timestamp": 1445033433
},
"target": {
"target_hash": "cbda53ca51a184b366cbde3cb026987c53021de26fa5aabf814917c894769b65",
"target_proof": [{
"parent": "4f0398f4707c7ddb8d5a85508bdaa9e22fb541fa0182ae54f25513b6bd3f8cb9",
"left": "cbda53ca51a184b366cbde3cb026987c53021de26fa5aabf814917c894769b65",
"right": "a52d9c0a0b077237f58c7e5b8b38d2dd7756176ca379947a093105574a465685"
}, {
"parent": "5faa75ca2c838ceac7fb1b62127cfba51f011813c6c491335c2b69d54dd7d79c",
"left": "4f0398f4707c7ddb8d5a85508bdaa9e22fb541fa0182ae54f25513b6bd3f8cb9",
"right": "3bd99c8660a226a62a7df1efc2a296a398ad91e2aa56d68fefd08571a853096e"
}]
}
}'''
with self.assertRaises(AssertionError) as err:
validator.isValidReceipt(receipt)
self.assertEqual(err.exception.message,
"Invalid proof path - merkle root does not match")
def test_empty_receipt(self):
validator = Chainpoint()
receipt = '{}'
with self.assertRaises(AssertionError) as err:
validator.isValidReceipt(receipt)
self.assertEqual(err.exception.message,
'Cannot identify Chainpoint version')
def test_missing_target_hash(self):
validator = Chainpoint()
receipt = '''{
"@context": "https://w3id.org/chainpoint/v2",
"type": "ChainpointSHA256v2"
}'''
with self.assertRaises(AssertionError) as err:
validator.isValidReceipt(receipt)
self.assertEqual(err.exception.message, 'Missing target hash')
def test_missing_merkle_root(self):
validator = Chainpoint()
receipt = '''{
"@context": "https://w3id.org/chainpoint/v2",
"type": "ChainpointSHA256v2",
"targetHash": "f17fbe8fc1a6e5a8289da6fea45d16a92b35c629fa1fd34178245420378bea19"
}'''
with self.assertRaises(AssertionError) as err:
validator.isValidReceipt(receipt)
self.assertEqual(err.exception.message, 'Missing merkle root')
def test_unsupported_hash_type(self):
validator = Chainpoint()
receipt = '''{
"@context": "https://w3id.org/chainpoint/v2",
"type": "ChainpointSHA2048v2"
}'''
with self.assertRaises(AssertionError) as err:
validator.isValidReceipt(receipt)
self.assertEqual(err.exception.message,
'Invalid Chainpoint type - ChainpointSHA2048v2')
def test_missing_hash_type(self):
validator = Chainpoint()
receipt = '''{
"header": {
"chainpoint_version": "1.1"
}
}'''
with self.assertRaises(AssertionError) as err:
validator.isValidReceipt(receipt)
self.assertEqual(err.exception.message, 'Missing hash type')
def test_missing_target_proof(self):
validator = Chainpoint()
receipt = '''{
"@context": "https://w3id.org/chainpoint/v2",
"type": "ChainpointSHA256v2",
"targetHash": "f17fbe8fc1a6e5a8289da6fea45d16a92b35c629fa1fd34178245420378bea19",
"merkleRoot": "fd3f0550fd1164f463d3e57b7bb6834872ada68501102cec6ce93cdbe7a17404"
}'''
with self.assertRaises(AssertionError) as err:
validator.isValidReceipt(receipt)
self.assertEqual(err.exception.message, 'Missing target proof')
def test_unsupported_hash_type(self):
validator = Chainpoint()
receipt = '''{
"header": {
"chainpoint_version": "1.1",
"hash_type": "sha1"
}
}'''
with self.assertRaises(AssertionError) as err:
validator.isValidReceipt(receipt)
self.assertEqual(err.exception.message, 'Invalid hash type - sha1')
def test_unsupported_version(self):
validator = Chainpoint()
receipt = '''{
"header": {
"chainpoint_version": "0.9"
}
}'''
with self.assertRaises(ValueError) as err:
validator.isValidReceipt(receipt)
self.assertEqual(err.exception.message,
'Invalid Chainpoint version - 0.9')
def test_missing_root(self):
validator = Chainpoint()
receipt = '''{
"header": {
"chainpoint_version": "1.1",
"hash_type": "SHA-256"
}
}'''
with self.assertRaises(AssertionError) as err:
validator.isValidReceipt(receipt)
self.assertEqual(err.exception.message, 'Missing transaction id')
def test_missing_tx(self):
validator = Chainpoint()
receipt = '''{
"header": {
"chainpoint_version": "1.1",
"hash_type": "SHA-256",
"merkle_root": "fd3f0550fd1164f463d3e57b7bb6834872ada68501102cec6ce93cdbe7a17404"
}
}'''
with self.assertRaises(AssertionError) as err:
validator.isValidReceipt(receipt)
self.assertEqual(err.exception.message, 'Missing transaction id')
def test_missing_timestamp(self):
validator = Chainpoint()
receipt = '''{
"header": {
"chainpoint_version": "1.1",
"hash_type": "SHA-256",
"merkle_root": "fd3f0550fd1164f463d3e57b7bb6834872ada68501102cec6ce93cdbe7a17404",
"tx_id": "6d14a219a9aef975377bad9236cbc4e1e062cb5dd29b3dd3c1a1cb63540c1c9a"
}
}'''
with self.assertRaises(AssertionError) as err:
validator.isValidReceipt(receipt)
self.assertEqual(err.exception.message, 'Missing timestamp')
def test_valid_with_proof(self):
validator = Chainpoint()
receipt = '''{
"header": {
"chainpoint_version": "1.1",
"hash_type": "SHA-256",
"merkle_root": "5faa75ca2c838ceac7fb1b62127cfba51f011813c6c491335c2b69d54dd7d79c",
"tx_id": "b84a92f28cc9dbdc4cd51834f6595cf97f018b925167c299097754780d7dea09",
"timestamp": 1445033433
},
"target": {
"target_hash": "cbda53ca51a184b366cbde3cb026987c53021de26fa5aabf814917c894769b65",
"target_proof": [{
"parent": "4f0398f4707c7ddb8d5a85508bdaa9e22fb541fa0182ae54f25513b6bd3f8cb9",
"left": "cbda53ca51a184b366cbde3cb026987c53021de26fa5aabf814917c894769b65",
"right": "a52d9c0a0b077237f58c7e5b8b38d2dd7756176ca379947a093105574a465685"
}, {
"parent": "5faa75ca2c838ceac7fb1b62127cfba51f011813c6c491335c2b69d54dd7d79c",
"left": "4f0398f4707c7ddb8d5a85508bdaa9e22fb541fa0182ae54f25513b6bd3f8cb9",
"right": "3bd99c8660a226a62a7df1efc2a296a398ad91e2aa56d68fefd08571a853096e"
}]
}
}'''
result = validator.isValidReceipt(receipt)
self.assertEqual(
result['merkle_root'],
'5faa75ca2c838ceac7fb1b62127cfba51f011813c6c491335c2b69d54dd7d79c')
self.assertEqual(result['type'], 'BTCOpReturn')
self.assertEqual(
result['source_id'],
'b84a92f28cc9dbdc4cd51834f6595cf97f018b925167c299097754780d7dea09')
def test_missing_target_proof(self):
validator = Chainpoint()
receipt = '''{
"header": {
"chainpoint_version": "1.1",
"hash_type": "SHA-256",
"merkle_root": "fd3f0550fd1164f463d3e57b7bb6834872ada68501102cec6ce93cdbe7a17404",
"tx_id": "6d14a219a9aef975377bad9236cbc4e1e062cb5dd29b3dd3c1a1cb63540c1c9a",
"timestamp": 1458126637
},
"target": {
"target_hash": "f17fbe8fc1a6e5a8289da6fea45d16a92b35c629fa1fd34178245420378bea19"
}
}'''
with self.assertRaises(AssertionError) as err:
validator.isValidReceipt(receipt)
self.assertEqual(err.exception.message, 'Missing target proof')
def test_key_path(self):
receipt = '''{
"@context": "https://w3id.org/chainpoint/v2",
"type": "ChainpointSHA256v2",
"targetHash": "bdf8c9bdf076d6aff0292a1c9448691d2ae283f2ce41b045355e2c8cb8e85ef2",
"merkleRoot": "51296468ea48ddbcc546abb85b935c73058fd8acdb0b953da6aa1ae966581a7a",
"proof": [{
"left": "bdf8c9bdf076d6aff0292a1c9448691d2ae283f2ce41b045355e2c8cb8e85ef2"
}, {
"left": "cb0dbbedb5ec5363e39be9fc43f56f321e1572cfcf304d26fc67cb6ea2e49faf"
}, {
"right": "cb0dbbedb5ec5363e39be9fc43f56f321e1572cfcf304d26fc67cb6ea2e49faf"
}],
"anchors": [{
"type": "BTCOpReturn",
"sourceId": "f3be82fe1b5d8f18e009cb9a491781289d2e01678311fe2b2e4e84381aafadee"
}]
}'''
verifier = Chainpoint()
self.assertTrue(verifier.isValidReceipt(receipt))
def test_valid_empty_proof(self):
validator = Chainpoint()
receipt = '''{
"header": {
"chainpoint_version": "1.1",
"hash_type": "SHA-256",
"merkle_root": "fd3f0550fd1164f463d3e57b7bb6834872ada68501102cec6ce93cdbe7a17404",
"tx_id": "6d14a219a9aef975377bad9236cbc4e1e062cb5dd29b3dd3c1a1cb63540c1c9a",
"timestamp": 1463018411
},
"target": {
"target_hash": "fd3f0550fd1164f463d3e57b7bb6834872ada68501102cec6ce93cdbe7a17404",
"target_proof": []
}
}'''
result = validator.isValidReceipt(receipt)
self.assertEqual(
result['source_id'],
'6d14a219a9aef975377bad9236cbc4e1e062cb5dd29b3dd3c1a1cb63540c1c9a')
self.assertEqual(
result['merkle_root'],
'fd3f0550fd1164f463d3e57b7bb6834872ada68501102cec6ce93cdbe7a17404')
self.assertEqual(result['type'], 'BTCOpReturn')
def test_number_receipt(self):
validator = Chainpoint()
receipt = '12345'
with self.assertRaises(TypeError):
validator.isValidReceipt(receipt)
def test_non_json_receipt(self):
validator = Chainpoint()
receipt = 'Adhf4saEOIJ'
with self.assertRaises(ValueError):
validator.isValidReceipt(receipt)
def test_null_receipt(self):
validator = Chainpoint()
receipt = None
with self.assertRaises(TypeError):
validator.isValidReceipt(receipt)
