rpc: Expose the subscription ID for RpcClientT
#733
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Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>
Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>
Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>
Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>
niklasad1
reviewed
Nov 24, 2022
| @@ -62,3 +62,6 @@ pub type RpcFuture<'a, T> = | |||
| /// The inner subscription stream returned from our [`RpcClientT`]'s `subscription` method. | |||
| pub type RpcSubscription = | |||
| Pin<Box<dyn Stream<Item = Result<Box<RawValue>, RpcError>> + Send + 'static>>; | |||
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| /// The ID associated with the [`RpcClientT`]'s `subscription`. | |||
| pub type RpcSubscriptionId = String; | |||
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This is configurable in substrate via the SubscriptionIdProvider so it could something different than String. Should be String 99% of cases anyway but just saying.
Does the new rpc api v2 specify the format of the subscription ID? :)
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The RPC layer should take the subscriptionID as a parameter in string format. From chainHead_unstable_body:
followSubscription: An opaque string that was returned by chainHead_unstable_follow.
niklasad1
approved these changes
Nov 24, 2022
Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>
jsdw
approved these changes
Nov 25, 2022
Xanewok
approved these changes
Nov 25, 2022
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Extent the
RpcClientTto obtain the ID associated with subscriptions.To ensure that this extension is not impacting users that do not want to
implement/return it, the subscription ID is optional.
The subscription ID needs to be exposed for implementing #732.