nwaku/waku/v2/node/jsonrpc/store_api.nim

38 lines
1.3 KiB
Nim

{.push raises: [Exception, Defect].}
import
std/options,
json_rpc/rpcserver,
../../protocol/waku_store/waku_store_types,
../wakunode2,
./jsonrpc_types, ./jsonrpc_utils
export jsonrpc_types
proc installStoreApiHandlers*(node: WakuNode, rpcsrv: RpcServer) =
const futTimeout = 5.seconds
## Store API version 1 definitions
rpcsrv.rpc("get_waku_v2_store_v1_messages") do(topics: seq[ContentTopic], pagingOptions: Option[StorePagingOptions]) -> StoreResponse:
## Returns history for a list of content topics with optional paging
debug "get_waku_v2_store_v1_messages"
var responseFut = newFuture[StoreResponse]()
proc queryFuncHandler(response: HistoryResponse) {.gcsafe, closure.} =
debug "get_waku_v2_store_v1_messages response"
responseFut.complete(response.toStoreResponse())
let historyQuery = HistoryQuery(topics: topics,
pagingInfo: if pagingOptions.isSome: pagingOptions.get.toPagingInfo() else: PagingInfo())
await node.query(historyQuery, queryFuncHandler)
if (await responseFut.withTimeout(futTimeout)):
# Future completed
return responseFut.read()
else:
# Future failed to complete
raise newException(ValueError, "No history response received")