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Limit number of blocks per level (2nd attempt) (#1559)

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Prevents the StateDbError::TooManySiblingBlocks error from being triggered by eagerly removing 
stale blocks from the backend on block import and before the error condition is met.

Introduces a just in time block recovery mechanism for blocks that were wrongly removed
via an explicit pov-recovery method

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>
This commit is contained in:
Davide Galassi
2022-12-20 12:13:49 +01:00
committed by GitHub
parent 79d8c5c3b8
commit 030ba80ba0
17 changed files with 1096 additions and 184 deletions
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cumulus/polkadot-parachain/src/service.rs
+4 -2
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@@ -71,7 +71,8 @@ type ParachainClient<RuntimeApi> = TFullClient<Block, RuntimeApi, WasmExecutor<H
type ParachainBackend = TFullBackend<Block>;
type ParachainBlockImport<RuntimeApi> = TParachainBlockImport<Arc<ParachainClient<RuntimeApi>>>;
type ParachainBlockImport<RuntimeApi> =
TParachainBlockImport<Block, Arc<ParachainClient<RuntimeApi>>, ParachainBackend>;
/// Native executor instance.
pub struct ShellRuntimeExecutor;
@@ -275,7 +276,7 @@ where
client.clone(),
);
let block_import = ParachainBlockImport::new(client.clone());
let block_import = ParachainBlockImport::new(client.clone(), backend.clone());
let import_queue = build_import_queue(
client.clone(),
@@ -1142,6 +1143,7 @@ where
let telemetry2 = telemetry.clone();
let prometheus_registry2 = prometheus_registry.map(|r| (*r).clone());
let relay_chain_for_aura = relay_chain_interface.clone();
let aura_consensus = BuildOnAccess::Uninitialized(Some(Box::new(move || {
let slot_duration =
cumulus_client_consensus_aura::slot_duration(&*client2).unwrap();