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, 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 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(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
def signature_data(self, acct: Account, data: bytearray or bytes): return acct.generate_signature(data, acct.get_signature_scheme())
def test_get_signature_scheme(self): hex_private_key = '523c5fcf74823831752f0bcb3634234f10b3beb1c05595058534577752ad2d9f' account = Account(hex_private_key, SignatureScheme.SHA256withECDSA) signature_scheme = account.get_signature_scheme() self.assertEqual(SignatureScheme, type(signature_scheme))