code: func (c *Client) GetRawTransactionVerboseAsync(txHash *chainhash.Hash) FutureGetRawTransactionVerboseResult {
  	hash := ""
  	if txHash != nil {
  		hash = txHash.String()
  	}
  
  	cmd := btcjson.NewGetRawTransactionCmd(hash, btcjson.Int(1))
  	return c.sendCmd(cmd)
  }
docs: // GetRawTransactionVerboseAsync returns an instance of a type that can be used
  // to get the result of the RPC at some future time by invoking the Receive
  // function on the returned instance.
  //
  // See GetRawTransactionVerbose for the blocking version and more details.