code: def get_balance(self, b58_address: str, is_full: bool = False) -> dict:
          
          payload = self.generate_json_rpc_payload(RpcMethod.GET_BALANCE, [b58_address, 1])
          response = self.__post(self.__url, payload)
          if is_full:
              return response
          return response['result']
docs: This interface is used to get the account balance of specified base58 encoded address in current network.
  
          :param b58_address: a base58 encoded account address.
          :param is_full:
          :return: the value of account balance in dictionary form.