pub fn request_callback(
storage: &mut dyn Storage,
api: &dyn Api,
channel_id: String,
sequence_number: u64,
initiator: Addr,
request: Option<CallbackRequest>,
request_type: CallbackRequestType,
) -> StdResult<()>Expand description
Requests that a callback be returned for the IBC message
identified by (channel_id, sequence_number).