def sign(self, account=None, **kwargs):
        """ Sign a message with an account's memo key

            :param str account: (optional) the account that owns the bet
                (defaults to ``default_account``)
            :raises ValueError: If not account for signing is provided

            :returns: the signed message encapsulated in a known format
        """
        if not account:
            if "default_account" in self.blockchain.config:
                account = self.blockchain.config["default_account"]
        if not account:
            raise ValueError("You need to provide an account")

        # Data for message
        account = self.account_class(account, blockchain_instance=self.blockchain)
        info = self.blockchain.info()
        meta = dict(
            timestamp=info["time"],
            block=info["head_block_number"],
            memokey=account["options"]["memo_key"],
            account=account["name"],
        )

        # wif key
        wif = self.blockchain.wallet.getPrivateKeyForPublicKey(
            account["options"]["memo_key"]
        )

        # We strip the message here so we know for sure there are no trailing
        # whitespaces or returns
        message = self.message.strip()

        enc_message = self.SIGNED_MESSAGE_META.format(**locals())

        # signature
        signature = hexlify(sign_message(enc_message, wif)).decode("ascii")

        self.signed_by_account = account
        self.signed_by_name = account["name"]
        self.meta = meta
        self.plain_message = message

        return self.SIGNED_MESSAGE_ENCAPSULATED.format(
            MESSAGE_SPLIT=self.MESSAGE_SPLIT, **locals()
        )
def sign(self, account=None, **kwargs):
        """ Sign a message with an account's memo key

            :param str account: (optional) the account that owns the bet
                (defaults to ``default_account``)
            :raises ValueError: If not account for signing is provided

            :returns: the signed message encapsulated in a known format
        """
        if not account:
            if "default_account" in self.blockchain.config:
                account = self.blockchain.config["default_account"]
        if not account:
            raise ValueError("You need to provide an account")

        # Data for message
        account = self.account_class(account, blockchain_instance=self.blockchain)
        info = self.blockchain.info()
        meta = dict(
            timestamp=info["time"],
            block=info["head_block_number"],
            memokey=account["options"]["memo_key"],
            account=account["name"],
        )

        # wif key
        wif = self.blockchain.wallet.getPrivateKeyForPublicKey(
            account["options"]["memo_key"]
        )

        # We strip the message here so we know for sure there are no trailing
        # whitespaces or returns
        message = self.message.strip()

        enc_message = self.SIGNED_MESSAGE_META.format(**locals())

        # signature
        signature = hexlify(sign_message(enc_message, wif)).decode("ascii")

        self.signed_by_account = account
        self.signed_by_name = account["name"]
        self.meta = meta
        self.plain_message = message

        return self.SIGNED_MESSAGE_ENCAPSULATED.format(
            MESSAGE_SPLIT=self.MESSAGE_SPLIT, **locals()
        )
def sign ( self , account = None , * * kwargs ) : if not account : if "default_account" in self . blockchain . config : account = self . blockchain . config [ "default_account" ] if not account : raise ValueError ( "You need to provide an account" ) # Data for message account = self . account_class ( account , blockchain_instance = self . blockchain ) info = self . blockchain . info ( ) meta = dict ( timestamp = info [ "time" ] , block = info [ "head_block_number" ] , memokey = account [ "options" ] [ "memo_key" ] , account = account [ "name" ] , ) # wif key wif = self . blockchain . wallet . getPrivateKeyForPublicKey ( account [ "options" ] [ "memo_key" ] ) # We strip the message here so we know for sure there are no trailing # whitespaces or returns message = self . message . strip ( ) enc_message = self . SIGNED_MESSAGE_META . format ( * * locals ( ) ) # signature signature = hexlify ( sign_message ( enc_message , wif ) ) . decode ( "ascii" ) self . signed_by_account = account self . signed_by_name = account [ "name" ] self . meta = meta self . plain_message = message return self . SIGNED_MESSAGE_ENCAPSULATED . format ( MESSAGE_SPLIT = self . MESSAGE_SPLIT , * * locals ( ) )
Sign a message with an account's memo key

            :param str account: (optional) the account that owns the bet
                (defaults to ``default_account``)
            :raises ValueError: If not account for signing is provided

            :returns: the signed message encapsulated in a known format
Sign a message with an account s memo key