Allow to call arbitrary runtime apis using RelayChainInterface #5521
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bkchr
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Aug 29, 2024
| hash: PHash, | ||
| payload: &[u8], | ||
| ) -> RelayChainResult<Vec<u8>> { | ||
| use sp_api::{CallApiAt, CallApiAtParams, CallContext, __private::Extensions}; |
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The module is called __private out of a reason ;)
| at: hash, | ||
| function: method_name, | ||
| arguments: payload.to_vec(), | ||
| overlayed_changes: &RefCell::new(overlayed_changes), |
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Suggested change
| overlayed_changes: &RefCell::new(overlayed_changes), | |
| overlayed_changes: &RefCell::new(Default::default()), |
| @@ -364,3 +380,18 @@ where | |||
| (**self).version(relay_parent).await | |||
| } | |||
| } | |||
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| pub async fn call_remote_runtime_function<R>( | |||
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It saves the caller from having to manually do the Decode::decode. I can remove it if you want, but I think it's useful.
bkchr
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Aug 30, 2024
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The CI pipeline was cancelled due to failure one of the required jobs. |
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@bkchr solved your comments, anything else missing? |
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@bkchr can you help us get the CI passing? Just from a first glance I dont see anything wrong for prdoc but maybe I am missing something..., |
bkchr
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Sep 18, 2024
skunert
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Sep 19, 2024
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When using the relay chain though a
Arc<dyn RelayChainInterface>there is no way to call arbitrary runtime apis. Both implementations of that trait allow this, so it feels natural to expose this functionality in the trait.This PR adds a
call_runtime_apimethod to RelayChainInterface trait, and a separate function also namedcall_runtime_apiwhich allows the caller to specify the input and output types, as opposed to having to encode them. This generic function cannot be part of the trait because adyn Traitobject cannot have generic methods.