fix: don't block unfinalised dot source when can't find events #4301
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kylezs
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engine/src/witness/dot/dot_source.rs
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| @@ -155,7 +155,8 @@ impl< | |||
| async fn stream_and_client( | |||
| &self, | |||
| ) -> (BoxChainStream<'_, Self::Index, Self::Hash, Self::Data>, Self::Client) { | |||
| polkadot_source!(self, subscribe_finalized_heads, NoRetryLimit, |raw_events| { raw_events }) | |||
| let unwrap_events = |raw_events| raw_events; | |||
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you could dedup this by putting the var inside the macro.
AlastairHolmes
approved these changes
Dec 1, 2023
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Pull Request
Closes: PRO-1010
Checklist
Please conduct a thorough self-review before opening the PR.
Summary
Previously in the case of a dot reorg it was possible that the dot source would wait forever to try to get events from a hash that didn't exist, causing dot chain tracking to stop. Now it just makes 2 attempts, and fails out, allowing the chain tracking to continue in such a case.