class_docstr: A class for handling connections and interactions with the CoinBase API.
  
  Attributes:
      api_key (str): API key
      api_secret (str): API secret
      is_connected (bool): Whether or not the API client is connected to CoinBase.
docstr: Calls the CoinBase API method with the given params.
  
  Returns results as a pandas DataFrame.
  
  Args:
      method_name (str): Method name to call
      params (Dict): Params to pass to the API call
docstr_tok: ["Calls","the","CoinBase","API","method","with","the","given","params",".","Returns","results","as","a","pandas","DataFrame",".","Args",":","method_name","(","str",")",":","Method","name","to","call","params","(","Dict",")",":","Params","to","pass","to","the","API","call"]
code: def call_coinbase_api(
      self, method_name: str = None, params: Dict = None
  ) -> pd.DataFrame:
      """Calls the CoinBase API method with the given params.
  
      Returns results as a pandas DataFrame.
  
      Args:
          method_name (str): Method name to call
          params (Dict): Params to pass to the API call
      """
      if method_name == "get_candle":
          return self._get_candle(params)
      raise NotImplementedError(
          "Method name {} not supported by CoinBase API Handler".format(
              method_name
          )
      )
  
imports: import pandas
  from typing import Dict
  import datetime
  import hmac
  import hashlib
  import time
  import requests
  from collections import OrderedDict
  import base64
  from mindsdb.integrations.handlers.coinbase_handler.coinbase_tables import CoinBaseAggregatedTradesTable
  from mindsdb.integrations.libs.api_handler import APIHandler
  from mindsdb.integrations.libs.const import HANDLER_CONNECTION_ARG_TYPE
  from mindsdb.integrations.libs.response import HandlerStatusResponse, HandlerResponse
  from mindsdb_sql import parse_sql
label_desc: Use image node_id 8 for calling the CoinBaseHandler obj's underlying member method code with example usage: obj.call_coinbase_api(method_name, params) and returns: self