def __add_genesisblock(self, tx_info: dict = None):
"""제네시스 블럭을 추가 합니다.
:param tx_info: Transaction data for making genesis block from an initial file
:return:
"""
logging.info("Make Genesis Block....")
block = Block(channel_name=self.__channel_name)
block.block_status = BlockStatus.confirmed
if tx_info:
keys = tx_info.keys()
if "accounts" in keys and "message" in keys:
genesis_validator = get_genesis_tx_validator(
self.__channel_name)
is_valid, tx = genesis_validator.init_genesis_tx(tx_info)
if is_valid:
block.put_genesis_transaction(tx)
else:
raise TransactionInvalidError(
message=f"The Genesis block data is invalid."
f"That's why Genesis block couldn't be generated.")
block.generate_block()
# 제네시스 블럭을 추가 합니다.
self.add_block(block)
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_genesisblock(self):
"""
제네시스 블럭을 추가 합니다.
:return:
"""
logging.info("Make Genesis Block....")
block = Block()
block.block_type = BlockType.confirmed
block.generate_block()
# 제네시스 블럭을 추가 합니다.
self.add_block(block)
def __add_genesisblock(self):
"""제네시스 블럭을 추가 합니다.
:return:
"""
logging.info("Make Genesis Block....")
block = Block(channel_name=self.__channel_name)
block.block_status = BlockStatus.confirmed
block.generate_block()
# 제네시스 블럭을 추가 합니다.
self.add_block(block)
def generate_block(self):
"""임시 블럭 생성하는 메소드
:return: 임시 블럭
"""
block = Block(channel_name=conf.LOOPCHAIN_DEFAULT_CHANNEL)
for x in range(10):
tx = test_util.create_basic_tx(self.__peer_id, self.__peer_auth)
block.put_transaction(tx)
block.generate_block(self.chain.last_block)
return block
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 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()
util.logger.spam(f"block1 hash({block1.block_hash})")
util.logger.spam(f"block1 hash({block2.block_hash})")
# THEN
self.assertEqual(block1.block_hash, block2.block_hash)
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 __generate_block_data(self) -> Block:
""" block data generate
:return: unsigned block
"""
genesis = Block(channel_name="test_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 __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 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 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
class TestGeneratorBlock(unittest.TestCase):
last_block = None
__peer_id = 'aaa'
def setUp(self):
test_util.print_testname(self._testMethodName)
self.peer_auth = test_util.create_default_peer_auth()
set_mock(self)
def tearDown(self):
pass
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 test_block_genesis(self):
"""
제네시스 블럭 생성 테스트
"""
db_name = 'genesis_db'
test_db = test_util.make_level_db(db_name)
self.assertIsNotNone(test_db, "DB생성 불가")
chain = BlockChain(test_db)
block = test_util.add_genesis_block()
chain.add_block(block)
self.assertIsNotNone(chain.last_block.block_hash, "제너릭 블럭 생성 불가")
# 테스트 DB 제거
leveldb.DestroyDB(db_name)
def test_block_add(self):
"""
블럭 추가 테스트
제네시스 블럭을 만든후 10개의 트랜잭션을 가진 10개의 블럭을 생성하여
블럭체인에 추가
"""
db_name = 'add_test_db'
test_db = test_util.make_level_db(db_name)
self.assertIsNotNone(test_db, "DB생성 불가")
chain = BlockChain(test_db)
block = test_util.add_genesis_block()
chain.add_block(block)
genesis_hash = chain.last_block.block_hash
for x in range(0, 10):
# 신규 블럭 생성 추가 x 10
tmp_block = self.generate_test_block()
tmp_block.block_status = BlockStatus.confirmed
tmp_block.generate_block(chain.last_block)
chain.add_block(tmp_block)
logging.debug("신규 블럭 생성 및 블럭 HASH : %s",
chain.last_block.block_hash)
self.assertNotEqual(genesis_hash, chain.last_block.block_hash,
"블럭 추가 불가")
# 미인증 블럭 추가
tmp_block = self.generate_test_block()
tmp_block.block_status = BlockStatus.unconfirmed
self.assertRaises(TypeError, "미인증 블럭 추가", chain.add_block, tmp_block)
# Store_data Function 추가
tmp_block.block_status = BlockStatus.confirmed
tmp_block.generate_block(chain.last_block)
# 블럭 저장함수
last_block_hash = chain.last_block.block_hash
chain.add_block(tmp_block)
self.assertNotEqual(last_block_hash, chain.last_block.block_hash)
self.assertIsNotNone(chain.last_block)
# 테스트 DB 제거
leveldb.DestroyDB(db_name)
def test_block_confirm(self):
db_name = 'block_confirm_db'
test_db = test_util.make_level_db(db_name)
self.assertIsNotNone(test_db, "DB생성 불가")
chain = BlockChain(test_db)
block = test_util.add_genesis_block()
chain.add_block(block)
self.last_block = block
# block을 하나 생성해서 unconfirm 상태에서 추가
unconfirm_block = self.generate_test_block()
unconfirm_block.generate_block(chain.last_block)
self.assertTrue(chain.add_unconfirm_block(unconfirm_block),
"미검증블럭 추가에 실패하였습니다.")
# 블럭 검증작업후 블럭을 검증완료 상태로 바꾸며, 블럭체인에 등록 해 줍니다.
chain.confirm_prev_block(unconfirm_block)
# 블럭 검증완료
self.assertEqual(chain.last_block.block_hash,
unconfirm_block.block_hash, "블럭이 추가되지 않았습니다.")
leveldb.DestroyDB(db_name)