def confirm_block(self, confirmed_block_hash):
"""인증완료후 Block을 Confirm해 줍니다.
:param confirmed_block_hash: 인증된 블럭의 hash
:return: Block 에 포함된 tx 의 갯수를 리턴한다.
"""
logging.debug("BlockChain::confirm_block")
try:
unconfirmed_block_byte = self.__confirmed_block_db.Get(BlockChain.UNCONFIRM_BLOCK_KEY)
except KeyError:
except_msg = f"there is no unconfirmed block in this peer block_hash({confirmed_block_hash})"
logging.warning(except_msg)
raise BlockchainError(except_msg)
unconfirmed_block = Block()
unconfirmed_block.deserialize_block(unconfirmed_block_byte)
if unconfirmed_block.block_hash != confirmed_block_hash:
logging.warning("It's not possible to add block while check block hash is fail-")
raise BlockchainError('확인하는 블럭 해쉬 값이 다릅니다.')
logging.debug("unconfirmed_block.block_hash: " + unconfirmed_block.block_hash)
logging.debug("confirmed_block_hash: " + confirmed_block_hash)
logging.debug("unconfirmed_block.prev_block_hash: " + unconfirmed_block.prev_block_hash)
unconfirmed_block.block_status = BlockStatus.confirmed
# Block Validate and save Block
self.add_block(unconfirmed_block)
self.__confirmed_block_db.Delete(BlockChain.UNCONFIRM_BLOCK_KEY)
return unconfirmed_block.confirmed_transaction_list.__len__()
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 __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 __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 __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