core: Register protocols at runtime #400
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Signed-off-by: Alexandru Vasile <[email protected]>
dmitry-markin
approved these changes
Jun 5, 2025
| @@ -149,6 +161,11 @@ pub struct Litep2p { | |||
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| /// Bandwidth sink. | |||
| bandwidth_sink: BandwidthSink, | |||
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| /// The keep-alive timeout for protocols. | |||
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Suggested change
| /// The keep-alive timeout for protocols. | |
| /// The executor & keep-alive timeout for protocols. |
| keep_alive_timeout: std::time::Duration, | ||
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| /// Executor used to run protocols. | ||
| executor: Arc<dyn crate::executor::Executor>, |
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nit: IMO executor deserves a dedicated field in Litep2p, and may be we don't need a new struct then.
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This PR adds the ability to register notification protocols and request-response protocols at runtime.
This is beneficial for users who don't have the full set of protocols during the node initialization. Instead, the protocols will be known at runtime, potentially after calling into the substrate runtime itself.
The counterpart on the substrate side must take into account that each protocol instance has a channel of communication with the rest of the protocols. This might complicate things on the substrate side, but in theory, it's possible to pass a new channel.