graphenecommon/chain.py
def sign(self, tx=None, wifs=[]):
        """ 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.
        """
        if tx:
            txbuffer = self.transactionbuilder_class(tx, blockchain_instance=self)
        else:
            txbuffer = self.txbuffer
        txbuffer.appendWif(wifs)
        txbuffer.appendMissingSignatures()
        txbuffer.sign()
        return txbuffer.json()
def sign(self, tx=None, wifs=[]):
        """ 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.
        """
        if tx:
            txbuffer = self.transactionbuilder_class(tx, blockchain_instance=self)
        else:
            txbuffer = self.txbuffer
        txbuffer.appendWif(wifs)
        txbuffer.appendMissingSignatures()
        txbuffer.sign()
        return txbuffer.json()
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.