def validate(self):
if self.version != 0:
Logger.error("invalid vote version")
return False
type_list = list()
for content in self.contents:
if content.vote_type in type_list:
Logger.error("{} duplicate vote type")
return False
type_list.append(content.vote_type)
if content.vote_type != VoteContent.TYPE_DELEGATE:
Logger.error("{} invalid vote type")
if len(content.candidates) == 0 or len(content.candidates) > 36:
Logger.error("{} invalid vote candidates")
return False
candidates_list = list()
for candidate in content.candidates:
if candidate in candidates_list:
Logger.error("{} duplicate candidate")
return False
candidates_list.append(candidate)
return True
def _check_password(self):
ret = keytool.sha256_hash(str.encode(self._password),
3).hex() == self._get_password_hash()
if not ret:
Logger.error("Invalid password!")
return ret
def add_sub_account(self, sub_account: Account):
if not self._valid:
Logger.error("Invalid keystore!")
return
self._sub_accounts_list.append(sub_account)
sub_account_data = self._create_account_data(sub_account,
self.SUB_ACCOUNT)
self._accounts_data_list.append(sub_account_data)
def arbiter_public_keys(key_stores):
public_keys = []
if len(key_stores) != 5:
Logger.error(
"[common] Invalid argument, the length of the argument must be equal 5"
)
exit(0)
for key_store in key_stores:
public_keys.append(key_store.public_key.hex())
return public_keys
def serialize(self, version: int):
if self.candidates is None or len(self.candidates) == 0:
Logger.error("candidates list is empty!")
return None
r = b""
r += struct.pack("<B", self.vote_type)
r += serialize.write_var_uint(len(self.candidates))
for candidate in self.candidates:
r = serialize.write_var_bytes(r, candidate)
return r
def serialize(self):
if self.contents is None or len(self.contents) == 0:
Logger.error("contents is invalid")
return None
r = b""
r += struct.pack("<B", self.version)
r += serialize.write_var_uint(len(self.contents))
for content in self.contents:
r += content.serialize(self.version)
return r
def _get_master_key(self):
password_twice_hash = keytool.sha256_hash(str.encode(self._password),
2)
encrypt_master_key = self._get_master_key_encrypted()
if encrypt_master_key is None:
Logger.error("encrypt master key is None")
return None
master_key = keytool.aes_decrypt(bytes.fromhex(encrypt_master_key),
password_twice_hash, self._iv)
return master_key
def key_store_dict(self):
if not self._valid:
Logger.error("Invalid keystore!")
return None
store_dict = {
"Version": "1.0.0",
"PasswordHash": self._password_thrice_hash.hex(),
"IV": self._iv.hex(),
"MasterKey": self._master_key_encrypted.hex(),
"Account": self._accounts_data_list
}
return store_dict
def create_normal_inputs(address: str, total_amount: int, rpc_port: int):
global total_amount_global
global response
total_amount_global = total_amount
total_amount_format = str(
Decimal(str(total_amount_global)) / Decimal(util.TO_SELA))
if rpc_port != rpc.DEFAULT_PORT:
response = rpc.list_unspent_utxos(address, port=rpc_port)
else:
response = rpc.get_utxos_by_amount(address, total_amount_format,
rpc_port)
if not response or isinstance(response, dict):
Logger.error("get utxos return error: {}".format(response))
return None, None
utxos = response
# Logger.debug("utxos: {}".format(utxos))
inputs = list()
change_outputs = list()
program_hash = keytool.address_to_program_hash(address)
for utxo in utxos:
txid = util.bytes_reverse(bytes.fromhex(utxo["txid"]))
index = utxo["vout"]
input = Input(txid, index)
inputs.append(input)
amount = int(Decimal(utxo["amount"]) * util.TO_SELA)
if amount < total_amount_global:
total_amount -= amount
elif amount == total_amount:
total_amount_global = 0
break
elif amount > total_amount:
change = Output(value=amount - total_amount_global,
output_lock=0,
program_hash=program_hash,
output_type=Output.OT_NONE,
output_payload=OutputPayload())
change_outputs.append(change)
total_amount_global = 0
break
if total_amount_global > 0:
Logger.error("Available token is not enough!")
return None, None
return inputs, change_outputs
def serialize(self, r: bytes, version: int):
if len(self.cross_chain_addresses) != len(self.output_indexes) or \
len(self.cross_chain_addresses) != len(self.cross_chain_addresses):
Logger.error("Invalid cross chain asset")
return None
r += serialize.write_var_uint(len(self.cross_chain_addresses))
for i in range(len(self.cross_chain_addresses)):
r = serialize.write_var_bytes(
r, bytes(self.cross_chain_addresses[i].encode()))
r += serialize.write_var_uint(self.output_indexes[i])
r += struct.pack("<q", self.cross_chain_amounts[i])
return r
def save_to_file(self, dest_dir_path: str):
if not self._valid:
Logger.error("Invalid keystore!")
return False
if dest_dir_path is "":
Logger.debug("Invalid parameter!")
return False
if not os.path.exists(dest_dir_path):
os.makedirs(dest_dir_path)
file_path = os.path.join(dest_dir_path, "keystore.dat")
util.write_config_file(self.key_store_dict(), file_path)
return True
def _get_account(self, index):
encrypt_private_key = self._accounts_data_list[index][
"PrivateKeyEncrypted"]
if encrypt_private_key is None:
Logger.error("encrypt private key is None")
return None
encrypt_private_key_bytes = bytes.fromhex(encrypt_private_key)
if len(encrypt_private_key_bytes) != 96:
Logger.error("encrypt private key length is not 96")
return None
private_key = keytool.aes_decrypt(encrypt_private_key_bytes,
self._master_key, self._iv)[64:96]
account = Account(private_key.hex())
return account
def create_transaction(input_private_key: str, output_addresses: list,
amount: int, rpc_port: int):
account = Account(input_private_key)
# check output
if output_addresses is None or len(output_addresses) == 0:
Logger.error("Invalid output addresses")
return None
# create outputs
outputs, total_amount = create_normal_outputs(
output_addresses=output_addresses,
amount=amount,
fee=util.TX_FEE,
output_lock=0)
# create inputs
inputs, change_outputs = create_normal_inputs(account.address(),
total_amount, rpc_port)
if inputs is None or change_outputs is None:
Logger.error("Create normal inputs failed")
return None
outputs.extend(change_outputs)
# create program
programs = list()
redeem_script = bytes.fromhex(account.redeem_script())
program = Program(code=redeem_script, params=None)
programs.append(program)
# create attributes
attributes = list()
attribute = Attribute(usage=Attribute.NONCE,
data=bytes("attributes".encode()))
attributes.append(attribute)
tx = Transaction()
tx.version = Transaction.TX_VERSION_09
tx.tx_type = Transaction.TRANSFER_ASSET
tx.payload = Payload(Payload.DEFAULT_VERSION)
tx.attributes = attributes
tx.inputs = inputs
tx.outputs = outputs
tx.lock_time = 0
tx.programs = programs
return tx
def create_redeem_transaction(payload: ProducerInfo, output_address: str,
amount: int, rpc_port: int):
# create outputs
outputs, total_amount = create_normal_outputs(
output_addresses=[output_address],
amount=amount,
fee=util.TX_FEE,
output_lock=0)
# create inputs
deposit_address = payload.get_deposit_address()
inputs, change_outputs = create_normal_inputs(deposit_address,
total_amount, rpc_port)
if inputs is None or change_outputs is None:
Logger.error("Create normal inputs failed")
return None
outputs.extend(change_outputs)
# create program
programs = list()
redeem_script = bytes.fromhex(payload.owner_account.redeem_script())
program = Program(code=redeem_script, params=None)
programs.append(program)
# create attributes
attributes = list()
attribute = Attribute(usage=Attribute.NONCE,
data=bytes("attributes".encode()))
attributes.append(attribute)
tx = Transaction()
tx.version = Transaction.TX_VERSION_09
tx.tx_type = Transaction.RETURN_DEPOSIT_CHAIN
tx.payload_version = 0
tx.payload = Payload(Payload.DEFAULT_VERSION)
tx.attributes = attributes
tx.inputs = inputs
tx.outputs = outputs
tx.lock_time = 0
tx.programs = programs
return tx
def create_register_transaction(input_private_key: str, amount: int,
payload: ProducerInfo, rpc_port: int):
# create outputs
outputs, total_amount = create_normal_outputs(
output_addresses=[payload.get_deposit_address()],
amount=amount,
fee=util.TX_FEE,
output_lock=0)
# create inputs
account = Account(input_private_key)
inputs, change_outputs = create_normal_inputs(account.address(),
total_amount, rpc_port)
if inputs is None or change_outputs is None:
Logger.error("Create normal inputs failed")
return None
outputs.extend(change_outputs)
# create program
programs = list()
redeem_script = bytes.fromhex(account.redeem_script())
program = Program(code=redeem_script, params=None)
programs.append(program)
# create attributes
attributes = list()
attribute = Attribute(usage=Attribute.NONCE,
data=bytes("attributes".encode()))
attributes.append(attribute)
tx = Transaction()
tx.version = Transaction.TX_VERSION_09
tx.tx_type = Transaction.REGISTER_PRODUCER
tx.payload_version = 0
tx.payload = payload
tx.attributes = attributes
tx.inputs = inputs
tx.outputs = outputs
tx.lock_time = 0
tx.programs = programs
return tx
def create_cancel_transaction(input_private_key: str, payload: ProducerInfo,
rpc_port: int):
# create inputs
account = Account(input_private_key)
inputs, change_outputs = create_normal_inputs(account.address(),
util.TX_FEE, rpc_port)
if inputs is None or change_outputs is None:
Logger.error("Create normal inputs failed")
return None
# create outputs
outputs = list()
outputs.extend(change_outputs)
# create program
programs = list()
redeem_script = bytes.fromhex(account.redeem_script())
program = Program(code=redeem_script, params=None)
programs.append(program)
# create attributes
attributes = list()
attribute = Attribute(usage=Attribute.NONCE,
data=bytes("attributes".encode()))
attributes.append(attribute)
payload = ProcessProducer(
bytes.fromhex(payload.owner_account.public_key()),
bytes.fromhex(payload.owner_account.private_key()))
tx = Transaction()
tx.version = Transaction.TX_VERSION_09
tx.tx_type = Transaction.CANCEL_PRODUCER
tx.payload_version = 0
tx.payload = payload
tx.attributes = attributes
tx.inputs = inputs
tx.outputs = outputs
tx.lock_time = 0
tx.programs = programs
return tx
def serialize_unsigned(self):
# version
r = b""
if self.version >= self.TX_VERSION_09:
r += struct.pack(">B", self.version)
# tx type
r += struct.pack(">B", self.tx_type)
# payload version
r += struct.pack(">B", self.payload_version)
# payload
if self.payload is None:
Logger.error("Transaction payload is None")
return None
if self.payload.data(self.payload_version) is not None:
r += self.payload.data(self.payload_version)
# attributes
if self.attributes is not None:
r += serialize.write_var_uint(len(self.attributes))
for attribute in self.attributes:
r += attribute.serialize()
# inputs
if self.inputs is not None:
r += serialize.write_var_uint(len(self.inputs))
for input in self.inputs:
r += input.serialize()
# outputs
if self.outputs is not None:
r += serialize.write_var_uint(len(self.outputs))
for output in self.outputs:
r += output.serialize(self.version)
# lock_time
r += struct.pack("<I", self.lock_time)
return r
def create_cross_chain_asset(input_private_key: str, lock_address: str,
cross_chain_address: str, amount: int,
recharge: bool, rpc_port: int):
if lock_address is None or lock_address is "":
Logger.error("Invalid lock address")
return None
if cross_chain_address is None or cross_chain_address is "":
Logger.error("Invalid cross chain address")
return None
account = Account(input_private_key)
# create outputs:
outputs, total_amount = create_normal_outputs(
output_addresses=[lock_address],
amount=amount,
fee=util.TX_FEE,
output_lock=0)
# create inputs:
inputs, change_outputs = create_normal_inputs(account.address(),
total_amount, rpc_port)
if inputs is None or change_outputs is None:
Logger.error("Create normal inputs failed")
return None
outputs.extend(change_outputs)
# create program
programs = list()
redeem_script = bytes.fromhex(account.redeem_script())
program = Program(code=redeem_script, params=None)
programs.append(program)
# create attributes
attributes = list()
attribute = Attribute(usage=Attribute.NONCE,
data=bytes("attributes".encode()))
attributes.append(attribute)
cross_chain_asset = TransferCrossChainAsset()
cross_chain_asset.cross_chain_addresses = [cross_chain_address]
cross_chain_asset.output_indexes = [0]
cross_chain_asset.cross_chain_amounts = [amount - util.TX_FEE]
tx = Transaction()
if recharge:
tx.version = Transaction.TX_VERSION_09
else:
tx.version = Transaction.TX_VERSION_DEFAULT
Logger.debug("transaction version {}".format(tx.version))
tx.tx_type = Transaction.TRANSFER_CROSS_CHAIN_ASSET
tx.payload = cross_chain_asset
tx.attributes = attributes
tx.inputs = inputs
tx.outputs = outputs
tx.lock_time = 0
tx.programs = programs
return tx
def _get_password_hash(self):
if "PasswordHash" not in self._store_dict.keys():
Logger.error("keystore_dat dose not contain key PasswordHash")
return None
return self._store_dict["PasswordHash"]
def _get_accounts_data(self, ):
if "Account" not in self._store_dict.keys():
Logger.error("keystore_dat dose not contain key Account")
return None
return self._store_dict["Account"]
def password(self):
if not self._valid:
Logger.error("Invalid keystore!")
return ""
return self._password
def sub_accounts(self):
if not self._valid:
Logger.error("Invalid keystore!")
return None
return self._sub_accounts_list
def _get_iv(self):
if "IV" not in self._store_dict.keys():
Logger.error("keystore_dat dose not contain key IV")
return None
return self._store_dict["IV"]
def __repr__(self):
if not self._valid:
Logger.error("Invalid keystore!")
return ""
return json.dumps(self.key_store_dict(), indent=4)
def export_private_key(self):
if not self._valid:
Logger.error("Invalid keystore!")
return None
return self.main_account().private_key()
def _get_master_key_encrypted(self):
if "MasterKey" not in self._store_dict.keys():
Logger.error("keystore_dat dose not contain key MasterKey")
return None
return self._store_dict["MasterKey"]
def main_account(self):
if not self._valid:
Logger.error("Invalid keystore!")
return None
return self._main_account