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Unify RelayChainInterface error handling and introduce async #909
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skunert
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bkchr
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bkchr
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Jan 25, 2022
| @@ -222,6 +218,7 @@ impl TryFrom<&'_ CollationSecondedSignal> for BlockAnnounceData { | |||
| /// chain. If it is at the tip, it is required to provide a justification or otherwise we reject | |||
| /// it. However, if the announcement is for a block below the tip the announcement is accepted | |||
| /// as it probably comes from a node that is currently syncing the chain. | |||
| #[derive(Clone)] | |||
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I was having lifetime issues while moving function calls to the async block in the validate method: https://github.com/paritytech/cumulus/pull/909/files#diff-0fe3ce0d7087ba7f979d9065d8d812b23562d2f4ed5341719aa8480dc48c74cdR345
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Ahh I see. Can you then make the handle_empty_block_announce_data async and not have it return a future?
client/pov-recovery/src/lib.rs
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| }); | ||
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| session_index_result | ||
| .and_then(|v| Ok(pending_availability_result?.map(|pa| (pa, v)))) |
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Suggested change
| .and_then(|v| Ok(pending_availability_result?.map(|pa| (pa, v)))) | |
| .and_then(|v| pending_availability_result.map(|pa| (pa, v))) |
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This suggestion does not work here as it changes the return type. However, I tried to improve the readability of this section
Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>
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This PR includes more changes in preparation of network communication with the relay chain:
RelayChainInterfacemethods asyncRelayChainErrorwith enum variants for different errorsnew_best_notification_streamto the interface. Over RPC, we only receive the header instead ofBlockImportNotification. In some places we were checking if a new block is the new best. These places now consumenew_best_notification_stream.This PR is not expected to change behaviour.