code: func (r FutureGetRawMempoolVerboseResult) Receive() (map[string]btcjson.GetRawMempoolVerboseResult, error) {
  	res, err := receiveFuture(r)
  	if err != nil {
  		return nil, err
  	}
  
  	// Unmarshal the result as a map of strings (tx shas) to their detailed
  	// results.
  	var mempoolItems map[string]btcjson.GetRawMempoolVerboseResult
  	err = json.Unmarshal(res, &mempoolItems)
  	if err != nil {
  		return nil, err
  	}
  	return mempoolItems, nil
  }
docs: // Receive waits for the response promised by the future and returns a map of
  // transaction hashes to an associated data structure with information about the
  // transaction for all transactions in the memory pool.