def create_tx(self, data):
tx = Transaction()
score_id = ""
score_version = ""
try:
score_info = self._channel_service.score_info
score_id = score_info[message_code.MetaParams.ScoreInfo.score_id]
score_version = score_info[message_code.MetaParams.ScoreInfo.score_version]
except KeyError as e:
logging.debug(f"CreateTX : load score info fail\n"
f"cause : {e}")
send_tx_type = self._channel_service.get_channel_option()["send_tx_type"]
tx.init_meta(ChannelProperty().peer_id, score_id, score_version, ChannelProperty().name, send_tx_type)
tx.put_data(data)
tx.sign_hash(self._channel_service.peer_auth)
self._channel_service.broadcast_scheduler.schedule_job(BroadcastCommand.CREATE_TX, tx)
try:
data_log = json.loads(data)
except Exception as e:
data_log = {'tx_hash': tx.tx_hash}
util.apm_event(ChannelProperty().peer_id, {
'event_type': 'CreateTx',
'peer_id': ChannelProperty().peer_id,
'peer_name': conf.PEER_NAME,
'channel_name': ChannelProperty().name,
'tx_hash': tx.tx_hash,
'data': data_log})
return tx.tx_hash
def test_cert_signature(self):
"""GIVEN conf.TX_CERT_AUTH = True, PeerAuthorization create using cert
WHEN create new tx and create signature
THEN tx.public_key must be x.509 der cert
"""
channel_name = "cert_channel"
conf.CHANNEL_OPTION = {
channel_name: {
"load_cert": True,
"consensus_cert_use": True,
"tx_cert_use": True,
"key_load_type": conf.KeyLoadType.FILE_LOAD,
"public_path": os.path.join(conf.LOOPCHAIN_ROOT_PATH, 'resources/default_certs/cert.pem'),
"private_path": os.path.join(conf.LOOPCHAIN_ROOT_PATH, 'resources/default_certs/key.pem'),
"private_password": None
}
}
peer_auth = PeerAuthorization(channel_name)
# WHEN
tx = Transaction()
tx.put_data('{"a":"b"}')
tx.sign_hash(peer_auth)
# THEN
logging.debug(f"tx public key : {tx.public_key}")
self.assertEqual(tx.public_key, peer_auth.tx_cert)
# tx.publickey using for load certificate and not raise any error
x509.load_der_x509_certificate(tx.public_key, default_backend())
def create_basic_tx(peer_id: str, peer_auth: PeerAuthorization) -> Transaction:
""" create basic tx data is "{args:[]}"
:param peer_id: peer_id
:param peer_auth:
:return: transaction
"""
tx = Transaction()
tx.put_meta('peer_id', peer_id)
tx.put_data("{args:[]}")
tx.sign_hash(peer_auth)
return tx
def generate_block(self):
"""
임시 블럭 생성하는 메소드
:return: 임시 블럭
"""
block = Block()
for x in range(10):
tx = Transaction()
tx.put_data("{args:[]}")
block.put_transaction(tx)
block.generate_block(self.chain.last_block)
return block
def create_tx(peer_id: str, data: str, peer_auth: PeerAuthorization) -> Transaction:
""" create basic tx data is "{args:[]}"
:param peer_id: peer_id
:param data: tx_data
:param peer_auth:
:return: transaction
"""
tx = Transaction()
tx.put_meta('peer_id', peer_id)
tx.put_meta(Transaction.CHANNEL_KEY, conf.LOOPCHAIN_DEFAULT_CHANNEL)
tx.put_data(data)
tx.sign_hash(peer_auth)
return tx
def test_put_data(self):
"""트랜잭션 생성확인
해쉬값의 존재여부
:return:
"""
tx = Transaction()
txhash = tx.put_data("{args:[]}")
self.assertNotEqual(txhash, "")
def test_dump_tx_size(self):
# GIVEN
tx = Transaction()
tx.put_data("TEST")
tx.transaction_type = TransactionStatus.confirmed
tx_only_data = TransactionDataOnly()
tx_only_data.data = "TEST"
# WHEN
dump_a = pickle.dumps(tx_only_data)
dump_b = pickle.dumps(tx)
# THEN
logging.debug("size of tx_only_data: " + str(sys.getsizeof(dump_a)))
logging.debug("size of tx: " + str(sys.getsizeof(dump_b)))
self.assertLessEqual(sys.getsizeof(dump_a), sys.getsizeof(dump_b) * 1.5)
def test_put_transaction(self):
"""
Block 에 여러 개 transaction 들을 넣는 것을 test.
"""
block = Block()
tx_list = []
tx_size = 10
for x in range(0, tx_size):
tx = Transaction()
tx2 = Transaction()
hashed_value = tx.put_data("{args:[]}")
tx2.put_data("{args:[]}")
tx_list.append(tx2)
self.assertNotEqual(hashed_value, "", "트랜잭션 생성 실패")
self.assertTrue(block.put_transaction(tx), "Block에 트랜잭션 추가 실패")
self.assertTrue(block.put_transaction(tx_list), "Block에 여러 트랜잭션 추가 실패")
self.assertEqual(len(block.confirmed_transaction_list), tx_size * 2,
"트랜잭션 사이즈 확인 실패")
def generate_block(self):
"""
블럭 생성기
:return: 임의생성블럭
"""
genesis = Block()
genesis.generate_block()
# Block 생성
block = Block()
# Transaction(s) 추가
for x in range(0, 10):
tx = Transaction()
tx.put_data("{args:[]}")
block.put_transaction(tx)
# Hash 생성 이 작업까지 끝내고 나서 Block을 peer에 보낸다
block.generate_block(genesis)
return block
def generate_test_block(self):
"""
임시 블럭 생성하는 메소드
:return: 임시 블럭
"""
block = Block()
for x in range(0, 10):
tx = Transaction()
hashed_value = tx.put_data("{args:[]}")
self.assertNotEqual(hashed_value, "", "트랜잭션 생성 실패")
self.assertTrue(block.put_transaction(tx), "Block에 트랜잭션 추가 실패")
return block
def test_tx_json_serialize(self):
# GIVEN
tx = Transaction()
tx.put_data("TEST")
tx.transaction_type = TransactionStatus.confirmed
logging.debug(f"transaction for test({tx})")
# WHEN
wrap_up = {"__Transaction__": tx}
serialized = json.dumps(wrap_up, sort_keys=True, cls=CustomEncoder)
logging.debug(f"serialized tx: {serialized}")
tx_json = json.loads(serialized, object_hook=decode_object)
logging.debug(f"deserialized tx: {tx_json}")
wrap_up_again = {"__Transaction__": tx_json}
serialized_again = json.dumps(wrap_up_again,
sort_keys=True,
cls=CustomEncoder)
logging.debug(f"re-serialized tx: {serialized_again}")
# THEN
self.assertEqual(serialized, serialized_again)
def test_generate_and_validate_hash(self):
"""트랜잭션 생성시 만들어진 hash 와 검증시 비교하는 hash 가 동일한지 확인하는 테스트
:return:
"""
# GIVEN
tx = Transaction()
tx.init_meta("AAAAA", "BBBBB", "CCCCC", conf.LOOPCHAIN_DEFAULT_CHANNEL)
tx.put_meta("1234", "5678")
tx.put_meta("1", "5")
tx.put_meta("2", "5")
tx.put_meta("3", "5")
tx.put_meta("4", "5")
txhash1 = tx.put_data("TEST DATA DATA")
txtime = tx.get_timestamp()
tx2 = Transaction()
tx2.init_meta("AAAAA", "BBBBB", "CCCCC",
conf.LOOPCHAIN_DEFAULT_CHANNEL)
tx2.put_meta("1234", "5678")
tx2.put_meta("1", "5")
tx2.put_meta("2", "5")
tx2.put_meta("3", "5")
tx2.put_meta("4", "5")
txhash2 = tx2.put_data("TEST DATA DATA", txtime)
# WHEN
txhash1_1 = Transaction.generate_transaction_hash(tx)
# THEN
logging.debug("txhash1: " + str(txhash1))
logging.debug("txhash1_1: " + str(txhash1_1))
logging.debug("txhash2: " + str(txhash2))
self.assertEqual(txhash1, txhash2)
self.assertEqual(txhash1, txhash1_1)
self.assertEqual(txhash2, txhash1_1)
def test_diff_hash(self):
"""트랜잭션을 생성하여, 같은 값을 입력 하여도 트랜잭션 HASH는 달라야 함
1000건 생성하여 트랜잭션 비교
:return:
"""
sttime = time.time()
tx_list = []
test_size = 1000
for x in range(test_size):
tx1 = Transaction()
hashed_value = tx1.put_data("{args:[]}")
tx_list.append(hashed_value)
self.assertTrue(len(set(tx_list)) == len(tx_list), "중복된 트랜잭션이 있습니다.")
logging.debug("test_diff_hash %i times : %f", test_size, time.time() - sttime)
def test_block_rebuild(self):
""" GIVEN 1Block with 3tx, and conf remove failed tx when in block
WHEN Block call verify_through_score_invoke
THEN all order 3tx must removed in block
"""
block = Block(conf.LOOPCHAIN_DEFAULT_CHANNEL)
fail_tx_hash = None
for i in range(3):
tx = Transaction()
tx.put_meta(Transaction.CHANNEL_KEY,
conf.LOOPCHAIN_DEFAULT_CHANNEL)
tx.put_data("aaaaa")
tx.sign_hash(self.peer_auth)
block.put_transaction(tx)
if i == 2:
fail_tx_hash = tx.tx_hash
verify, need_rebuild, invoke_results = block.verify_through_score_invoke(
True)
self.assertTrue(need_rebuild)
logging.debug(f"fail tx hash : {fail_tx_hash}")
self.assertEqual(block.confirmed_tx_len, 2)
for i, tx in enumerate(block.confirmed_transaction_list):
self.assertNotEqual(i, 2, "index 2 must be deleted")
self.assertNotEqual(tx.tx_hash, fail_tx_hash)
def __add_single_tx_to_block_return_tx_with_test(self):
last_block = self.chain.last_block
block = Block()
tx = Transaction()
hashed_value = tx.put_data("1234")
self.assertNotEqual(hashed_value, "", "트랜잭션 생성 실패")
self.assertTrue(block.put_transaction(tx), "Block에 트랜잭션 추가 실패")
logging.debug("tx_hash: " + tx.get_tx_hash())
block.generate_block(last_block)
block.block_status = BlockStatus.confirmed
# add_block include __add_tx_to_block_db what we want to test
self.assertTrue(self.chain.add_block(block),
"Fail Add Block to BlockChain in test_add_tx_to_block_db")
return tx
def test_transaction_performace(self):
"""트랜잭션의 생성 퍼포먼스 1초에 몇개까지 만들 수 있는지 확인
1초에 5000개 이상
:return:
"""
_sttime = time.time()
tx_list = []
dummy_data = "TEST Transaction Data"
put_data = 0
while time.time() - _sttime < 1.0:
tx1 = Transaction()
hashed_value = tx1.put_data("{args:[]}" + (dummy_data + str(put_data)))
tx_list.append(hashed_value)
put_data += 1
self.assertTrue(len(set(tx_list)) == len(tx_list), "중복된 트랜잭션이 있습니다.")
logging.debug("TX generate %i in a second", len(tx_list))
self.assertTrue(len(tx_list) > 5000, len(tx_list))