waku-org/go-waku

package main

/*
#include <cgo_utils.h>
*/
import "C"
import (
    "unsafe"

    "github.com/waku-org/go-waku/library"
)

// Query historic messages using waku store protocol.
// queryJSON must contain a valid json string with the following format:
//
//    {
//        "pubsubTopic": "...", // optional string
//        "startTime": 1234, // optional, unix epoch time in nanoseconds
//        "endTime": 1234, // optional, unix epoch time in nanoseconds
//        "contentTopics": [ // optional
//            "contentTopic1",
//            ...
//        ],
//        "pagingOptions": {// optional pagination information
//            "pageSize": 40, // number
//            "cursor": { // optional
//                "digest": ...,
//                "receiverTime": ...,
//                "senderTime": ...,
//                "pubsubTopic": ...,
//            },
//            "forward": true, // sort order
//        }
//    }
//
// If a non empty cursor is returned, this function should be executed again, setting  the `cursor` attribute with the cursor returned in the response
// peerID should contain the ID of a peer supporting the store protocol. Use NULL to automatically select a node
// If ms is greater than 0, the broadcast of the message must happen before the timeout
// (in milliseconds) is reached, or an error will be returned
//
//export waku_store_query
func waku_store_query(ctx unsafe.Pointer, queryJSON *C.char, peerID *C.char, ms C.int, cb C.WakuCallBack, userData unsafe.Pointer) C.int {
    return singleFnExec(func(instance *library.WakuInstance) (string, error) {
        return library.StoreQuery(instance, C.GoString(queryJSON), C.GoString(peerID), int(ms))
    }, ctx, cb, userData)
}

// Query historic messages stored in the localDB using waku store protocol.
// queryJSON must contain a valid json string with the following format:
//
//    {
//        "pubsubTopic": "...", // optional string
//        "startTime": 1234, // optional, unix epoch time in nanoseconds
//        "endTime": 1234, // optional, unix epoch time in nanoseconds
//        "contentTopics": [ // optional
//            "contentTopic1"
//            ...
//        ],
//        "pagingOptions": {// optional pagination information
//            "pageSize": 40, // number
//            "cursor": { // optional
//                "digest": ...,
//                "receiverTime": ...,
//                "senderTime": ...,
//                "pubsubTopic": ...,
//            },
//            "forward": true, // sort order
//        }
//    }
//
// If a non empty cursor is returned, this function should be executed again, setting  the `cursor` attribute with the cursor returned in the response
// Requires the `store` option to be passed when setting up the initial configuration
//
//export waku_store_local_query
func waku_store_local_query(ctx unsafe.Pointer, queryJSON *C.char, cb C.WakuCallBack, userData unsafe.Pointer) C.int {
    return singleFnExec(func(instance *library.WakuInstance) (string, error) {
        return library.StoreLocalQuery(instance, C.GoString(queryJSON))
    }, ctx, cb, userData)
}