def create_update_transaction(keystore: KeyStore, payload: ProducerInfo):
# create inputs
fee = 10000
inputs, change_outputs = create_normal_inputs(keystore.address(), fee)
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 = keystore.sign_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.UPDATE_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_cr_cancel_transaction(input_private_key: str, payload: UnRegisterCR, 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)
tx = Transaction()
tx.version = Transaction.TX_VERSION_09
tx.tx_type = Transaction.UN_REGISTER_CR
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_cross_chain_transaction_by_utxo(input_private_key: str, lock_address: str, cross_chain_address: str, amount: int,
recharge: bool, utxos: list):
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_by_utxo(
account.address(), total_amount, utxos)
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 - 10000]
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
