mirror of
https://github.com/logos-messaging/logos-messaging-nim.git
synced 2026-01-02 05:53:11 +00:00
e3dd6203ae
* deep changes in libwaku to adap to nim-ffi * start using ffi pragma in library * update some binding examples * add missing declare_lib.nim file * properly rename api files in library folder
95 lines
3.0 KiB
Nim
95 lines
3.0 KiB
Nim
import std/[json, sugar, strutils, options]
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import chronos, chronicles, results, stew/byteutils, ffi
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import
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waku/factory/waku,
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library/utils,
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waku/waku_core/peers,
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waku/waku_core/message/digest,
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waku/waku_store/common,
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waku/waku_store/client,
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waku/common/paging,
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library/declare_lib
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func fromJsonNode(jsonContent: JsonNode): Result[StoreQueryRequest, string] =
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var contentTopics: seq[string]
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if jsonContent.contains("contentTopics"):
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contentTopics = collect(newSeq):
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for cTopic in jsonContent["contentTopics"].getElems():
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cTopic.getStr()
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var msgHashes: seq[WakuMessageHash]
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if jsonContent.contains("messageHashes"):
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for hashJsonObj in jsonContent["messageHashes"].getElems():
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let hash = hashJsonObj.getStr().hexToHash().valueOr:
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return err("Failed converting message hash hex string to bytes: " & error)
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msgHashes.add(hash)
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let pubsubTopic =
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if jsonContent.contains("pubsubTopic"):
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some(jsonContent["pubsubTopic"].getStr())
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else:
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none(string)
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let paginationCursor =
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if jsonContent.contains("paginationCursor"):
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let hash = jsonContent["paginationCursor"].getStr().hexToHash().valueOr:
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return err("Failed converting paginationCursor hex string to bytes: " & error)
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some(hash)
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else:
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none(WakuMessageHash)
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let paginationForwardBool = jsonContent["paginationForward"].getBool()
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let paginationForward =
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if paginationForwardBool: PagingDirection.FORWARD else: PagingDirection.BACKWARD
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let paginationLimit =
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if jsonContent.contains("paginationLimit"):
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some(uint64(jsonContent["paginationLimit"].getInt()))
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else:
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none(uint64)
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let startTime = ?jsonContent.getProtoInt64("timeStart")
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let endTime = ?jsonContent.getProtoInt64("timeEnd")
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return ok(
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StoreQueryRequest(
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requestId: jsonContent["requestId"].getStr(),
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includeData: jsonContent["includeData"].getBool(),
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pubsubTopic: pubsubTopic,
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contentTopics: contentTopics,
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startTime: startTime,
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endTime: endTime,
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messageHashes: msgHashes,
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paginationCursor: paginationCursor,
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paginationForward: paginationForward,
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paginationLimit: paginationLimit,
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)
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)
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proc waku_store_query(
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ctx: ptr FFIContext[Waku],
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callback: FFICallBack,
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userData: pointer,
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jsonQuery: cstring,
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peerAddr: cstring,
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timeoutMs: cint,
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) {.ffi.} =
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let jsonContentRes = catch:
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parseJson($jsonQuery)
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if jsonContentRes.isErr():
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return err("StoreRequest failed parsing store request: " & jsonContentRes.error.msg)
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let storeQueryRequest = ?fromJsonNode(jsonContentRes.get())
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let peer = peers.parsePeerInfo(($peerAddr).split(",")).valueOr:
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return err("StoreRequest failed to parse peer addr: " & $error)
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let queryResponse = (
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await ctx.myLib[].node.wakuStoreClient.query(storeQueryRequest, peer)
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).valueOr:
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return err("StoreRequest failed store query: " & $error)
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let res = $(%*(queryResponse.toHex()))
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return ok(res) ## returning the response in json format
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