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Aura: Fix warp syncing (#13221)

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* Aura: Fix warp syncing

We need to set the fork choice rule! When using Cumulus this is done by the `ParachainsBlockImport`,
but for standalone chains we still need this!

Closes: https://github.com/paritytech/substrate/issues/13220

* Improve fork choice
This commit is contained in:
Bastian Köcher
2023-01-26 21:37:51 +01:00
committed by GitHub
parent 9601b479e4
commit 41f819eb48
1 changed files with 6 additions and 7 deletions
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substrate/client/consensus/aura/src/import_queue.rs
+6 -7
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@@ -186,16 +186,15 @@ where
&mut self,
mut block: BlockImportParams<B, ()>,
) -> Result<(BlockImportParams<B, ()>, Option<Vec<(CacheKeyId, Vec<u8>)>>), String> {
// When importing whole state we don't verify the seal as the state is not available.
if block.with_state() {
return Ok((block, Default::default()))
}
// Skip checks that include execution, if being told so.
// Skip checks that include execution, if being told so or when importing only state.
//
// This is done for example when gap syncing and it is expected that the block after the gap
// was checked/chosen properly, e.g. by warp syncing to this block using a finality proof.
if block.state_action.skip_execution_checks() {
// Or when we are importing state only and can not verify the seal.
if block.with_state() || block.state_action.skip_execution_checks() {
// When we are importing only the state of a block, it will be the best block.
block.fork_choice = Some(ForkChoiceStrategy::Custom(block.with_state()));
return Ok((block, Default::default()))
}