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https://github.com/waku-org/nwaku.git
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3e65cc18f6
A node that handles REST-Store requests normally acts as a Store-client and therefore it retrieved the messages from another Store-node. With these changes, we allow a node with Store mounted, to retrieve its messages. In other words, the node can act as a Store-server of its messages. * test_rest_store.nim: add a new test to validate that the self-node can retrieve its messages to the REST client. * rest/store/client.nim: add new proc to allow making a GET store request without peerAddr. * rest/store/handle.nim: add logic to handle requests that don't provide peerAddr but the self/local node has Store mounted. In this case, the self/local node will retrieve its locally stored messages. * waku_store/self_req_handler.nim: logic to handle "store" requests allowing the REST-store node to act as a Store-server node. The 'self_req_handler.nim' helps to bypass the store protocol and directly retrieve the messages from the local/self node. I added this logic in a separate file from 'protocol.nim' because it doesn't participate in any libp2p communication. * waku_store/protocol.nim: make 'queryHandler' attribute public so that it can be used from the 'self_req_handler.nim' module.
95 lines
3.0 KiB
Nim
95 lines
3.0 KiB
Nim
when (NimMajor, NimMinor) < (1, 4):
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{.push raises: [Defect].}
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else:
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{.push raises: [].}
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import
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chronicles,
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json_serialization,
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json_serialization/std/options,
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presto/[route, client]
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import
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../../../waku_store/common,
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../serdes,
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../responses,
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./types
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export types
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logScope:
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topics = "waku node rest store_api"
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proc decodeBytes*(t: typedesc[StoreResponseRest],
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data: openArray[byte],
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contentType: Opt[ContentTypeData]):
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RestResult[StoreResponseRest] =
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if MediaType.init($contentType) == MIMETYPE_JSON:
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let decoded = ?decodeFromJsonBytes(StoreResponseRest, data)
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return ok(decoded)
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if MediaType.init($contentType) == MIMETYPE_TEXT:
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var res: string
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if len(data) > 0:
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res = newString(len(data))
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copyMem(addr res[0], unsafeAddr data[0], len(data))
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return ok(StoreResponseRest(
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messages: newSeq[StoreWakuMessage](0),
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cursor: none(HistoryCursorRest),
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# field that contain error information
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errorMessage: some(res)
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))
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# If everything goes wrong
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return err(cstring("Unsupported contentType " & $contentType))
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proc getStoreMessagesV1*(
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# URL-encoded reference to the store-node
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peerAddr: string = "",
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pubsubTopic: string = "",
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# URL-encoded comma-separated list of content topics
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contentTopics: string = "",
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startTime: string = "",
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endTime: string = "",
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# Optional cursor fields
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senderTime: string = "",
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storeTime: string = "",
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digest: string = "", # base64-encoded digest
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pageSize: string = "",
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ascending: string = ""
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):
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RestResponse[StoreResponseRest]
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{.rest,
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endpoint: "/store/v1/messages",
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meth: HttpMethod.MethodGet.}
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proc getStoreMessagesV1*(
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# URL-encoded reference to the store-node
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peerAddr: Option[string],
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pubsubTopic: string = "",
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# URL-encoded comma-separated list of content topics
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contentTopics: string = "",
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startTime: string = "",
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endTime: string = "",
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# Optional cursor fields
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senderTime: string = "",
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storeTime: string = "",
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digest: string = "", # base64-encoded digest
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pageSize: string = "",
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ascending: string = ""
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):
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RestResponse[StoreResponseRest]
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{.rest,
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endpoint: "/store/v1/messages",
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meth: HttpMethod.MethodGet.} |