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polkadot: pin one block per session (#1220)

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* polkadot: propagate UnpinHandle to ActiveLeafUpdate

Also extract the leaf creation for tests
into a common function.

* dispute-coordinator: try pinned blocks for slashin

* apparently 1.72 is smarter than 1.70

* address nits

* rename fresh_leaf to new_leaf
This commit is contained in:
ordian
2023-09-07 12:24:40 +02:00
committed by GitHub
parent 1346143194
commit 15503883e2
33 changed files with 387 additions and 620 deletions
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polkadot/node/subsystem-util/Cargo.toml
+2
View File
@@ -22,6 +22,7 @@ derive_more = "0.99.17"
schnellru = "0.2.1"
polkadot-node-subsystem = { path = "../subsystem" }
polkadot-node-subsystem-types = { path = "../subsystem-types" }
polkadot-node-jaeger = { path = "../jaeger" }
polkadot-node-metrics = { path = "../metrics" }
polkadot-node-network-protocol = { path = "../network/protocol" }
@@ -33,6 +34,7 @@ metered = { package = "prioritized-metered-channel", version = "0.2.0" }
sp-core = { path = "../../../substrate/primitives/core" }
sp-application-crypto = { path = "../../../substrate/primitives/application-crypto" }
sp-keystore = { path = "../../../substrate/primitives/keystore" }
sc-client-api = { path = "../../../substrate/client/api" }
kvdb = "0.13.0"
parity-db = { version = "0.4.8"}
polkadot/node/subsystem-util/src/runtime/mod.rs
+17
View File
@@ -28,6 +28,7 @@ use polkadot_node_subsystem::{
messages::{RuntimeApiMessage, RuntimeApiRequest},
overseer, SubsystemSender,
};
use polkadot_node_subsystem_types::UnpinHandle;
use polkadot_primitives::{
vstaging, CandidateEvent, CandidateHash, CoreState, EncodeAs, ExecutorParams, GroupIndex,
GroupRotationInfo, Hash, IndexedVec, OccupiedCore, ScrapedOnChainVotes, SessionIndex,
@@ -75,6 +76,10 @@ pub struct RuntimeInfo {
/// Look up cached sessions by `SessionIndex`.
session_info_cache: LruMap<SessionIndex, ExtendedSessionInfo>,
/// Unpin handle of *some* block in the session.
/// Only blocks pinned explicitly by `pin_block` are stored here.
pinned_blocks: LruMap<SessionIndex, UnpinHandle>,
/// Key store for determining whether we are a validator and what `ValidatorIndex` we have.
keystore: Option<KeystorePtr>,
}
@@ -120,6 +125,7 @@ impl RuntimeInfo {
Self {
session_index_cache: LruMap::new(ByLength::new(cfg.session_cache_lru_size.max(10))),
session_info_cache: LruMap::new(ByLength::new(cfg.session_cache_lru_size)),
pinned_blocks: LruMap::new(ByLength::new(cfg.session_cache_lru_size)),
keystore: cfg.keystore,
}
}
@@ -145,6 +151,17 @@ impl RuntimeInfo {
}
}
/// Pin a given block in the given session if none are pinned in that session.
/// Unpinning will happen automatically when LRU cache grows over the limit.
pub fn pin_block(&mut self, session_index: SessionIndex, unpin_handle: UnpinHandle) {
self.pinned_blocks.get_or_insert(session_index, || unpin_handle);
}
/// Get the hash of a pinned block for the given session index, if any.
pub fn get_block_in_session(&self, session_index: SessionIndex) -> Option<Hash> {
self.pinned_blocks.peek(&session_index).map(|h| h.hash())
}
/// Get `ExtendedSessionInfo` by relay parent hash.
pub async fn get_session_info<'a, Sender>(
&'a mut self,