def lock_reward(self, agreement_id, amount, account):
        """
        Lock reward condition.

        :param agreement_id: id of the agreement, hex str
        :param amount: Amount of tokens, int
        :param account: Account
        :return: bool
        """
        return self._keeper.lock_reward_condition.fulfill(
            agreement_id, self._keeper.escrow_reward_condition.address, amount, account
        )
def lock_reward ( self , agreement_id , amount , account ) : return self . _keeper . lock_reward_condition . fulfill ( agreement_id , self . _keeper . escrow_reward_condition . address , amount , account )
Lock reward condition.

        :param agreement_id: id of the agreement, hex str
        :param amount: Amount of tokens, int
        :param account: Account
        :return: bool