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 create_vote_transaction(input_private_key: str, candidates_list: list,
amount: int, rpc_port: int):
# check output
if candidates_list is None or len(candidates_list) == 0:
Logger.error("Invalid output addresses")
return None
# create outputs
account = Account(input_private_key)
outputs = create_vote_output(account.address(), amount, candidates_list)
# create inputs
total_amount = amount + util.TX_FEE
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_account_data(self, account: Account, account_type: str):
private_key_encrypted = keytool.encrypt_private_key(
self._master_key, bytes.fromhex(account.private_key()),
account.ecc_public_key(), self._iv)
account_data = dict()
account_data["Address"] = account.address()
account_data["ProgramHash"] = account.program_hash()
account_data["RedeemScript"] = account.redeem_script()
account_data["PrivateKeyEncrypted"] = private_key_encrypted.hex()
account_data["Type"] = account_type
return account_data
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
class Producer(object):
def __init__(self, input_private_key: str, owner_private_key: str,
node_private_key: str, nick_name: str, url: str,
location: int, net_address: str):
self.input_private_key = input_private_key
self.input_account = Account(input_private_key)
self.utxo_value = 0
self.fee = 10000
self.state = ""
self.deposit_amount = 5000 * util.TO_SELA
self.info = self._producer_info(owner_private_key, node_private_key,
nick_name, url, location, net_address)
def _producer_info(self, owner_private_key: str, node_private_key: str,
nick_name: str, url: str, location: int,
net_address: str):
info = ProducerInfo(owner_private_key=owner_private_key,
node_private_key=node_private_key,
nickname=nick_name,
url=url,
location=location,
net_address=net_address)
Logger.debug("generate register producer{} payload".format(nick_name))
return info
def get_payload(self):
return self.info
def input_private_key(self):
return self.input_private_key
def input_public_key(self):
return self.input_account.public_key()
def owner_private_key(self):
return self.get_payload().owner_account.private_key()
def owner_public_key(self):
return self.get_payload().owner_account.public_key()
def node_private_key(self):
return self.get_payload().node_account.private_key()
def node_public_key(self):
return self.get_payload().node_account.public_key()
def register(self, rpc_port: int):
tx = txbuild.create_register_transaction(
input_private_key=self.input_private_key,
amount=self.deposit_amount,
payload=self.info,
rpc_port=rpc_port)
if tx is None:
return None
tx = txbuild.single_sign_transaction(self.input_private_key, tx)
return tx
def update(self, producer_info: ProducerInfo, rpc_port):
tx = txbuild.create_update_transaction(
input_private_key=self.input_private_key,
payload=producer_info,
rpc_port=rpc_port)
if tx is None:
return None
producer_info.gen_signature()
tx = txbuild.single_sign_transaction(self.input_private_key, tx)
return tx
def cancel(self, rpc_port: int):
tx = txbuild.create_cancel_transaction(
input_private_key=self.input_private_key,
payload=self.get_payload(),
rpc_port=rpc_port)
if tx is None:
return None
tx = txbuild.single_sign_transaction(self.input_private_key, tx)
return tx
def redeem(self, amount: int, rpc_port: int):
tx = txbuild.create_redeem_transaction(
payload=self.get_payload(),
output_address=self.input_account.address(),
amount=amount,
rpc_port=rpc_port)
if tx is None:
return None
tx = txbuild.single_sign_transaction(
self.get_payload().owner_account.private_key(), tx)
return tx
def activate(self):
# note activate producer transaction needn't to sign the whole transaction
tx = txbuild.create_active_transaction(self.node_private_key(),
self.node_public_key())
if tx is None:
return None
return tx