def sign(self): """ Sign a provided transaction witht he provided key(s) :param dict tx: The transaction to be signed and returned :param string wifs: One or many wif keys to use for signing a transaction. If not present, the keys will be loaded from the wallet as defined in "missing_signatures" key of the transactions. """ # We need to set the default prefix, otherwise pubkeys are # presented wrongly! if self.steemd: operations.default_prefix = self.steemd.chain_params["prefix"] elif "blockchain" in self: operations.default_prefix = self["blockchain"]["prefix"] try: signedtx = SignedTransaction(**self.json()) except Exception as e: # noqa FIXME(sneak) raise e if not any(self.wifs): raise MissingKeyError signedtx.sign(self.wifs, chain=self.steemd.chain_params) self["signatures"].extend(signedtx.json().get("signatures"))
def constructTx(self): if isinstance(self.op, list): ops = [Operation(o) for o in self.op] else: ops = [Operation(self.op)] expiration = fmt_time_from_now(self.expiration) ref_block_num, ref_block_prefix = get_block_params(self.steemd) tx = SignedTransaction(ref_block_num=ref_block_num, ref_block_prefix=ref_block_prefix, expiration=expiration, operations=ops) super(TransactionBuilder, self).__init__(tx.json())
def compareConstructedTX(self): # def test_online(self): # self.maxDiff = None op = operations.CommentOptions( **{ "author": "xeroc", "permlink": "piston", "max_accepted_payout": "1000000.000 SBD", "percent_steem_dollars": 10000, "allow_votes": True, "allow_curation_rewards": True, "extensions": [] } ) ops = [operations.Operation(op)] tx = SignedTransaction( ref_block_num=ref_block_num, ref_block_prefix=ref_block_prefix, expiration=expiration, operations=ops ) tx = tx.sign([wif], chain=self.steem.chain_params) tx_wire = hexlify(bytes(tx)).decode("ascii") # todo rpc = self.steem.commit.wallet compare = rpc.serialize_transaction(tx.json()) pprint(tx.json()) print("\n") print(compare[:-130]) print(tx_wire[:-130]) print("\n") print(tx_wire[:-130] == compare[:-130]) self.assertEqual(compare[:-130], tx_wire[:-130])
def sign(self): """ Sign a provided transaction witht he provided key(s) :param dict tx: The transaction to be signed and returned :param string wifs: One or many wif keys to use for signing a transaction. If not present, the keys will be loaded from the wallet as defined in "missing_signatures" key of the transactions. """ try: signedtx = SignedTransaction(**self.json()) except: raise ValueError("Invalid TransactionBuilder Format") if not any(self.wifs): raise MissingKeyError signedtx.sign(self.wifs, chain=self.steemd.chain_params) self["signatures"].extend(signedtx.json().get("signatures"))