def __generate_block_data(self) -> Block:
""" block data generate
:return: unsigned block
"""
genesis = Block(channel_name=conf.LOOPCHAIN_DEFAULT_CHANNEL)
genesis.generate_block()
# Block 생성
block = Block(channel_name=conf.LOOPCHAIN_DEFAULT_CHANNEL)
# Transaction(s) 추가
for x in range(0, 10):
block.put_transaction(test_util.create_basic_tx(self.__peer_id, self.peer_auth))
# Hash 생성 이 작업까지 끝내고 나서 Block을 peer에 보낸다
block.generate_block(genesis)
return block
def test_block_hash_must_be_the_same_regardless_of_the_commit_state(self):
# ENGINE-302
# GIVEN
block1 = Block(channel_name=conf.LOOPCHAIN_DEFAULT_CHANNEL)
block2 = Block(channel_name=conf.LOOPCHAIN_DEFAULT_CHANNEL)
# WHEN
block1.commit_state = {"TEST": "TEST_VALUE1234"}
block1.generate_block()
block2.generate_block()
utils.logger.spam(f"block1 hash({block1.block_hash})")
utils.logger.spam(f"block1 hash({block2.block_hash})")
# THEN
self.assertEqual(block1.block_hash, block2.block_hash)
def test_block_prevent_tx_duplication(self):
origin_send_tx_type = conf.CHANNEL_OPTION[
conf.LOOPCHAIN_DEFAULT_CHANNEL]["send_tx_type"]
conf.CHANNEL_OPTION[conf.LOOPCHAIN_DEFAULT_CHANNEL][
"send_tx_type"] = conf.SendTxType.icx
tx_validator.refresh_tx_validators()
try:
block = Block(channel_name=conf.LOOPCHAIN_DEFAULT_CHANNEL)
client = IcxWallet()
client.to_address = 'hxebf3a409845cd09dcb5af31ed5be5e34e2af9433'
client.value = 1
hash_generator = get_tx_hash_generator(
conf.LOOPCHAIN_DEFAULT_CHANNEL)
validator = IconValidateStrategy(hash_generator)
icx_origin = client.create_icx_origin()
for i in range(10):
tx = validator.restore(json.dumps(icx_origin), 'icx/score')
block.put_transaction(tx)
block.generate_block()
self.assertEqual(block.confirmed_tx_len, 1)
finally:
conf.CHANNEL_OPTION[conf.LOOPCHAIN_DEFAULT_CHANNEL][
"send_tx_type"] = origin_send_tx_type
tx_validator.refresh_tx_validators()
def add_genesis_block():
tx_info = None
channel = conf.LOOPCHAIN_DEFAULT_CHANNEL
if "genesis_data_path" in conf.CHANNEL_OPTION[channel]:
genesis_data_path = conf.CHANNEL_OPTION[channel][
'initial_genesis_block_data_file_path']
util.logger.spam(
f"Try load a file of initial genesis block from ({genesis_data_path})"
)
try:
with open(genesis_data_path) as json_file:
tx_info = json.load(json_file)["transaction_data"]
util.logger.spam(
f"generate_genesis_block::tx_info >>>> {tx_info}")
except FileNotFoundError as e:
exit(f"cannot open json file in ({genesis_data_path}): " f"{e}")
block = Block(channel_name=channel)
block.block_status = BlockStatus.confirmed
genesis_validator = get_genesis_tx_validator(channel)
is_valid, tx = genesis_validator.init_genesis_tx(tx_info)
if is_valid:
block.put_genesis_transaction(tx)
block.generate_block()
# 제네시스 블럭을 추가 합니다.
return block
def generate_test_block(self):
"""
임시 블럭 생성하는 메소드
:return: 임시 블럭
"""
if self.last_block is None:
self.last_block = Block(channel_name=conf.LOOPCHAIN_DEFAULT_CHANNEL)
self.last_block.generate_block()
block = Block(channel_name=conf.LOOPCHAIN_DEFAULT_CHANNEL)
for x in range(0, 10):
tx = test_util.create_basic_tx(self.__peer_id, self.peer_auth)
self.assertNotEqual(tx.tx_hash, "", "트랜잭션 생성 실패")
self.assertTrue(block.put_transaction(tx), "Block에 트랜잭션 추가 실패")
block.generate_block(self.last_block)
self.last_block = block
return block
def _deserialize(self, json_data):
header_data = self._deserialize_header_data(json_data)
header = self.BlockHeaderClass(**header_data)
body_data = self._deserialize_body_data(json_data)
body = self.BlockBodyClass(**body_data)
return Block(header, body)
def test_serialize_and_deserialize(self):
"""
블럭 serialize and deserialize 테스트
"""
block = self.__generate_block()
test_dmp = block.serialize_block()
block2 = Block(channel_name=conf.LOOPCHAIN_DEFAULT_CHANNEL)
block2.deserialize_block(test_dmp)
logging.debug("serialize block hash : %s , deserialize block hash %s",
block.merkle_tree_root_hash, block2.merkle_tree_root_hash)
self.assertEqual(block.merkle_tree_root_hash, block2.merkle_tree_root_hash, "블럭이 같지 않습니다 ")
def test_put_transaction(self):
"""
Block 에 여러 개 transaction 들을 넣는 것을 test.
"""
block = Block(channel_name=conf.LOOPCHAIN_DEFAULT_CHANNEL)
tx_list = []
tx_size = 10
for x in range(0, tx_size):
tx = test_util.create_basic_tx(self.__peer_id, self.peer_auth)
tx2 = test_util.create_basic_tx(self.__peer_id, self.peer_auth)
tx_list.append(tx2)
self.assertNotEqual(tx.tx_hash, "", "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(block.confirmed_tx_len, tx_size * 2, "트랜잭션 사이즈 확인 실패")
def __add_single_tx_block_blockchain_return_tx(self):
last_block = self.chain.last_block
block = Block(channel_name=conf.LOOPCHAIN_DEFAULT_CHANNEL)
tx = test_util.create_basic_tx(self.__peer_id, self.peer_auth)
block.put_transaction(tx)
logging.debug("tx_hash: " + tx.tx_hash)
block.generate_block(last_block)
block.block_status = BlockStatus.confirmed
# add_block to blockchain
self.assertTrue(self.chain.add_block(block),
"Fail Add Block to BlockChain")
return tx
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 build_block(self):
header = self.BlockHeaderClass(**self.build_block_header_data())
body = self.BlockBodyClass(**self.build_block_body_data())
return Block(header, body)
