def create_transaction(input_private_key: str, output_addresses: list, amount: int, rpc_port: int, side_chain: bool):
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()
if not side_chain :
tx.version = Transaction.TX_VERSION_09
else:
tx.version = Transaction.TX_VERSION_DEFAULT
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_vote_transaction(input_private_key: str, candidates_list: list, amount: int, rpc_port: int, vote_content):
# check output
if candidates_list is None or len(candidates_list) == 0:
Logger.error("Invalid output addresses")
return None
# candidates_bytes_list = list()
#
# for candidate in candidates_list:
# candidates_bytes_list.append(bytes.fromhex(candidate))
# create outputs
account = Account(input_private_key)
outputs = create_vote_output(account.address(), amount, vote_content)
# 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_crc_proposal_tracking_transaction(input_private_key: str, amount: int, payload: CRCProposalTracking,
rpc_port: int):
# create outputs
account = Account(input_private_key)
outputs, total_amount = create_normal_outputs(
output_addresses=[account.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)
tx = Transaction()
tx.version = Transaction.TX_VERSION_09
tx.tx_type = Transaction.CRC_PROPOSAL_TRACKING
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 create_cr_update_transaction(input_private_key: str, update_payload: CRInfo, 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)
# update_payload.gen_signature()
tx = Transaction()
tx.version = Transaction.TX_VERSION_09
tx.tx_type = Transaction.UPDATE_CR
tx.payload_version = 0
tx.payload = update_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
class CRInfo(Payload):
CR_INFO_VERSION = 0x00
CR_INFO_DID_VERSION = 0x01
def __init__(self, private_key: str, nickname: str, url: str,
location: int):
Payload.__init__(self, self.DEFAULT_VERSION)
self.account = Account(private_key)
self.nickname = nickname
self.url = url
self.location = location
self.code = self.account.redeem_script()
self.cid = self.account.cid()
self.did = self.account.did()
self.signature = None
self.gen_signature()
self.serialize_data = None
def data(self, version: int):
if self.serialize_data is not None:
return self.serialize_data
r = b""
r = self.serialize(r, self.version)
self.serialize_data = r
return r
def serialize(self, r: bytes, version: int):
r = self.serialize_unsigned(r, version)
if self.signature is not None:
r = serialize.write_var_bytes(r, self.signature)
return r
def serialize_unsigned(self, r: bytes, version=0):
r = serialize.write_var_bytes(r, bytes.fromhex(self.code))
r += bytes.fromhex(self.cid)
r += bytes.fromhex(self.did)
r = serialize.write_var_bytes(r, bytes(self.nickname.encode()))
r = serialize.write_var_bytes(r, bytes(self.url.encode()))
r += struct.pack("<Q", self.location)
return r
def deserialize(self, r: bytes, version: int):
pass
def get_deposit_address(self):
return self.account.deposit_address()
def gen_signature(self):
r = b""
r = self.serialize_unsigned(r, self.version)
signature = keytool.ecdsa_sign(
bytes.fromhex(self.account.private_key()), r)
self.signature = signature
return signature
def __repr__(self):
return "CRInfo {" + "\n\t" \
+ "privateKey: {}".format(self.account.private_key()) + "\n\t" \
+ "code: {}".format(self.code) + "\n\t" \
+ "cid : {}".format(keytool.create_address(bytes.fromhex(self.cid))) + "\n\t" \
+ "did : {}".format(keytool.create_address(bytes.fromhex(self.did))) + "\n\t" \
+ "nickname: {}".format(self.nickname) + "\n\t" \
+ "url: {}".format(self.url) + "\n\t" \
+ "location: {}".format(self.location) + "\n\t" \
+ "signature: {}".format(self.signature.hex()) + "\n" \
+ "}"