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35 lines
1.4 KiB
Nim
35 lines
1.4 KiB
Nim
## Messaging layer API — send operation.
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import results, chronos, chronicles
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import logos_delivery/api/types
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import logos_delivery/messaging/messaging_client
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import logos_delivery/waku/waku
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import logos_delivery/waku/api/subscriptions
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import logos_delivery/messaging/delivery_service/send_service
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import logos_delivery/messaging/delivery_service/send_service/delivery_task
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proc send*(
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self: MessagingClient, envelope: MessageEnvelope
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): Future[Result[RequestId, string]] {.async.} =
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## High-level messaging API send. Auto-subscribes to the content topic
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## (so the local node sees its own gossipsub broadcast), builds a
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## `DeliveryTask`, and hands it to the send service. Returns the request
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## id the caller can correlate with `MessageSentEvent` / `MessageErrorEvent`.
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?self.checkApiAvailability()
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let isSubbed = self.waku.isSubscribed(envelope.contentTopic).valueOr(false)
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if not isSubbed:
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info "Auto-subscribing to topic on send", contentTopic = envelope.contentTopic
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self.waku.subscribe(envelope.contentTopic).isOkOr:
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warn "Failed to auto-subscribe", error = error
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return err("Failed to auto-subscribe before sending: " & error)
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let requestId = RequestId.new(self.waku.rng)
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let deliveryTask = DeliveryTask.new(requestId, envelope, self.waku.brokerCtx).valueOr:
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return err("MessagingClient.send: Failed to create delivery task: " & error)
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asyncSpawn self.sendService.send(deliveryTask)
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return ok(requestId)
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