code: func (c *Conn) SendRequestArr(method string, resHandler func(res *ResCtx) error, params ...interface{}) (reqID string, err error) {
  	return c.SendRequest(method, params, resHandler)
  }
docs: // SendRequestArr sends a JSON-RPC request through the connection, with array params and auto generated request ID.
  // resHandler is called when a response is returned.