def add_multi_sign_transaction(tx: Transaction, m: int, pub_keys: list, signer: Account): """ This interface is used to generate an Transaction object which has multi signature. :param tx: a Transaction object which will be signed. :param m: the amount of signer. :param pub_keys: a list of public keys. :param signer: an Account object which will sign the transaction. :return: a Transaction object which has been signed. """ pub_keys = ProgramBuilder.sort_publickeys(pub_keys) tx_hash = tx.hash256_bytes() sig_data = signer.generate_signature(tx_hash, signer.get_signature_scheme()) if tx.sigs is None or len(tx.sigs) == 0: tx.sigs = [] elif len(tx.sigs) >= Common.TX_MAX_SIG_SIZE: raise SDKException( ErrorCode.param_err( 'the number of transaction signatures should not be over 16' )) else: for i in range(len(tx.sigs)): if tx.sigs[i].public_keys == pub_keys: if len(tx.sigs[i].sig_data) + 1 > len(pub_keys): raise SDKException( ErrorCode.param_err('too more sigData')) if tx.sigs[i].M != m: raise SDKException(ErrorCode.param_err('M error')) tx.sigs[i].sig_data.append(sig_data) return tx sig = Sig(pub_keys, m, [sig_data]) tx.sigs.append(sig) return tx
def sign_transaction(self, tx: Transaction, signer: Account): tx_hash = tx.hash256() sig_data = signer.generate_signature(tx_hash, signer.get_signature_scheme()) sig = [Sig([signer.get_public_key()], 1, [sig_data])] tx.sigs = sig return tx
def add_multi_sign_transaction(self, m: int, pub_keys: List[bytes] or List[str], signer: Account): """ This interface is used to generate an Transaction object which has multi signature. """ for index, pk in enumerate(pub_keys): if isinstance(pk, str): pub_keys[index] = pk.encode('ascii') pub_keys = ProgramBuilder.sort_public_keys(pub_keys) tx_hash = self.hash256() sig_data = signer.generate_signature(tx_hash) if self.sig_list is None or len(self.sig_list) == 0: self.sig_list = [] elif len(self.sig_list) >= TX_MAX_SIG_SIZE: raise SDKException( ErrorCode.param_err( 'the number of transaction signatures should not be over 16' )) else: for i in range(len(self.sig_list)): if self.sig_list[i].public_keys == pub_keys: if len(self.sig_list[i].sig_data) + 1 > len(pub_keys): raise SDKException( ErrorCode.param_err('too more sigData')) if self.sig_list[i].m != m: raise SDKException(ErrorCode.param_err('M error')) self.sig_list[i].sig_data.append(sig_data) return sig = Sig(pub_keys, m, [sig_data]) self.sig_list.append(sig)
def add_multi_sign_transaction(self, tx: Transaction, m: int, pubkeys: [], signer: Account): pubkeys = ProgramBuilder.sort_publickeys(pubkeys) tx_hash = tx.hash256_bytes() sig_data = signer.generate_signature(tx_hash, signer.get_signature_scheme()) if tx.sigs is None or len(tx.sigs) == 0: tx.sigs = [] elif len(tx.sigs) >= Common.TX_MAX_SIG_SIZE: raise SDKException( ErrorCode.param_err( 'the number of transaction signatures should not be over 16' )) else: for i in range(len(tx.sigs)): if tx.sigs[i].public_keys == pubkeys: if len(tx.sigs[i].sig_data) + 1 > len(pubkeys): raise SDKException( ErrorCode.param_err('too more sigData')) if tx.sigs[i].M != m: raise SDKException(ErrorCode.param_err('M error')) tx.sigs[i].sig_data.append(sig_data) return tx sig = Sig(pubkeys, m, [sig_data]) tx.sigs.append(sig) return tx
def sign_transaction(self, signer: Account): """ This interface is used to sign the transaction. """ tx_hash = self.hash256() sig_data = signer.generate_signature(tx_hash) sig = [Sig([signer.get_public_key_bytes()], 1, [sig_data])] self.sig_list = sig
def sign_transaction(self, *signers: Account): """ This interface is used to sign the transaction. """ tx_hash = self.hash256() for signer in signers: sig_data = signer.generate_signature(tx_hash) sig = Sig([signer.get_public_key_bytes()], 1, [sig_data]) self.sig_list.append(sig)
def sign_transaction(self, signer: Account): """ This interface is used to sign the transaction. :param signer: an Account object which will sign the transaction. :return: a Transaction object which has been signed. """ tx_hash = self.hash256() sig_data = signer.generate_signature(tx_hash) sig = [Sig([signer.get_public_key_bytes()], 1, [sig_data])] self.sig_list = sig
def add_sign_transaction(self, tx: Transaction, signer: Account): if tx.sigs == None or len(tx.sigs) == 0: tx.sigs = [] elif len(tx.sigs) >= Common.TX_MAX_SIG_SIZE: raise Exception( "the number of transaction signatures should not be over 16") tx_hash = tx.hash256() sig_data = signer.generate_signature(tx_hash, signer.get_signature_scheme()) sig = Sig([signer.serialize_public_key()], 1, [sig_data]) tx.sigs.append(sig) return tx
def sign_transaction(tx: Transaction, signer: Account) -> Transaction: """ This interface is used to sign the transaction. :param tx: a Transaction object which will be signed. :param signer: an Account object which will sign the transaction. :return: a Transaction object which has been signed. """ tx_hash = tx.hash256_bytes() sig_data = signer.generate_signature(tx_hash, signer.get_signature_scheme()) sig = [Sig([signer.get_public_key_bytes()], 1, [sig_data])] tx.sigs = sig return tx
def add_sign_transaction(self, signer: Account): """ This interface is used to add signature into the transaction. """ if self.sig_list is None or len(self.sig_list) == 0: self.sig_list = [] elif len(self.sig_list) >= TX_MAX_SIG_SIZE: raise SDKException( ErrorCode.param_err( 'the number of transaction signatures should not be over 16' )) tx_hash = self.hash256() sig_data = signer.generate_signature(tx_hash) sig = Sig([signer.get_public_key_bytes()], 1, [sig_data]) self.sig_list.append(sig)
def deserialize_from(txbytes: bytes): ms = StreamManager.GetStream(txbytes) reader = BinaryReader(ms) tx = Transaction() tx.version = reader.read_uint8() tx.tx_type = reader.read_uint8() tx.nonce = reader.read_uint32() tx.gas_price = reader.read_uint64() tx.gas_limit = reader.read_uint64() tx.payer = reader.read_bytes(20) tx.payload = reader.read_var_bytes() attri_len = reader.read_var_int() if attri_len is 0: tx.attributes = bytearray() sigs_len = reader.read_var_int() tx.sigs = [] for i in range(sigs_len): tx.sigs.append(Sig.deserialize(reader)) return tx
def deserialize_from(bytes_tx: bytes): ms = StreamManager.get_stream(bytes_tx) reader = BinaryReader(ms) tx = Transaction() tx.version = reader.read_uint8() tx.tx_type = reader.read_uint8() tx.nonce = reader.read_uint32() tx.gas_price = reader.read_uint64() tx.gas_limit = reader.read_uint64() tx.payer = reader.read_bytes(20) tx.payload = reader.read_var_bytes() attribute_len = reader.read_var_int() if attribute_len is 0: tx.attributes = bytearray() sig_len = reader.read_var_int() tx.sig_list = list() for _ in range(0, sig_len): tx.sig_list.append(Sig.deserialize(reader)) return tx
def add_sign_transaction(tx: Transaction, signer: Account): """ This interface is used to add signature into the transaction. :param tx: a Transaction object which will be signed. :param signer: an Account object which will sign the transaction. :return: a Transaction object which has been signed. """ if tx.sigs is None or len(tx.sigs) == 0: tx.sigs = [] elif len(tx.sigs) >= Common.TX_MAX_SIG_SIZE: raise SDKException( ErrorCode.param_err( 'the number of transaction signatures should not be over 16' )) tx_hash = tx.hash256_bytes() sig_data = signer.generate_signature(tx_hash, signer.get_signature_scheme()) sig = Sig([signer.serialize_public_key()], 1, [sig_data]) tx.sigs.append(sig) return tx