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statement-distribution: Ensure we deactivate leaves before activating (#3042)

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As activation can fail, we ensure that we don't miss deactivation of
leaves.
This commit is contained in:
Bastian Köcher
2024-01-24 14:10:42 +01:00
committed by GitHub
parent 488cbe6896
commit a989ddfab9
1 changed files with 3 additions and 1 deletions
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polkadot/node/network/statement-distribution/src/lib.rs
+3 -1
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@@ -319,8 +319,10 @@ impl<R: rand::Rng> StatementDistributionSubsystem<R> {
if let Some(ref activated) = activated {
let mode = prospective_parachains_mode(ctx.sender(), activated.hash).await?;
if let ProspectiveParachainsMode::Enabled { .. } = mode {
v2::handle_active_leaves_update(ctx, state, activated, mode).await?;
// Ensure we deactivate first, before we activate the new block.
// Activation can fail and then we would skip the deactivation.
v2::handle_deactivate_leaves(state, &deactivated);
v2::handle_active_leaves_update(ctx, state, activated, mode).await?;
} else if let ProspectiveParachainsMode::Disabled = mode {
for deactivated in &deactivated {
crate::legacy_v1::handle_deactivate_leaf(legacy_v1_state, *deactivated);