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The messaging api layer reached around the Waku kernel into the libp2p node (`waku.node.subscriptionManager`, `waku.node.rng`, `waku.node.brokerCtx`). That breaks the declared layering: messaging depends on the Waku *kernel* abstraction, not the raw node. Add a content-topic subscription api on the Waku layer (`waku/api/subscriptions.nim`) and switch the messaging send/subscription paths onto it, plus the kernel's own `rng`/`brokerCtx` fields, so the layer no longer touches `node` internals. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
24 lines
1.1 KiB
Nim
24 lines
1.1 KiB
Nim
## Waku layer API — content-topic subscription operations.
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##
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## These wrap the node's `SubscriptionManager`, which resolves each content
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## topic to its autosharding shard. They give the layers above (messaging) a
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## kernel-level entry point so they never reach into `waku.node` internals.
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{.push raises: [].}
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import results
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import logos_delivery/waku/waku
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import logos_delivery/waku/[waku_core, node/waku_node, node/subscription_manager]
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proc subscribe*(self: Waku, contentTopic: ContentTopic): Result[void, string] =
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## Subscribes to `contentTopic`, resolving its shard via autosharding.
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return self.node.subscriptionManager.subscribe(contentTopic)
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proc unsubscribe*(self: Waku, contentTopic: ContentTopic): Result[void, string] =
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## Unsubscribes from `contentTopic`, resolving its shard via autosharding.
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return self.node.subscriptionManager.unsubscribe(contentTopic)
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proc isSubscribed*(self: Waku, contentTopic: ContentTopic): Result[bool, string] =
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## True if the node already subscribes to `contentTopic`.
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return self.node.subscriptionManager.isSubscribed(contentTopic)
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