mirror of
https://github.com/logos-messaging/logos-messaging-nim.git
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53c83184d0
Convert the kernel_api operations — relay/filter/lightpush/store,
peer_manager, discovery, ping, debug/node-info — to typed {.ffi.} procs that
pass parameters directly and ride generic CBOR (no per-op request wrappers).
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
81 lines
2.8 KiB
Nim
81 lines
2.8 KiB
Nim
## The query/response are complex types, so this keeps the JSON bridge: the
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## request carries the query as a JSON string, the response is returned as JSON.
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import std/[json, sugar, options]
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import logos_delivery/waku/waku_core/message/digest
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import logos_delivery/waku/waku_store/common
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import logos_delivery/waku/common/paging
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import library/utils
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func storeQueryFromJson(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 store_query*(
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self: LogosDelivery, queryJson: string, peer: string, timeoutMs: int
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): Future[Result[string, string]] {.ffi.} =
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let jsonContent =
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try:
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parseJson(queryJson)
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except CatchableError as e:
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return err("StoreRequest failed parsing store request: " & e.msg)
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let storeQueryRequest = storeQueryFromJson(jsonContent).valueOr:
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return err(error)
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let queryResponse = (await self.waku.storeQuery(storeQueryRequest, peer, timeoutMs)).valueOr:
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return err("StoreRequest failed store query: " & error)
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return ok($(%*(queryResponse.toHex()))) ## response in json format
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