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add NodeFeatures field to HostConfiguration and runtime API (#2177)

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Adds a `NodeFeatures` bitfield value to the runtime `HostConfiguration`,
with the purpose of coordinating the enabling of node-side features,
such as: https://github.com/paritytech/polkadot-sdk/issues/628 and
https://github.com/paritytech/polkadot-sdk/issues/598.
These are features that require all validators enable them at the same
time, assuming all/most nodes have upgraded their node versions.

This PR doesn't add any feature yet. These are coming in future PRs.

Also adds a runtime API for querying the state of the client features
and an extrinsic for setting/unsetting a feature by its index in the bitfield.

Note: originally part of:
https://github.com/paritytech/polkadot-sdk/pull/1644, but posted as
standalone to be reused by other PRs until the initial PR is merged
This commit is contained in:
Alin Dima
2023-11-14 20:48:32 +02:00
committed by GitHub
parent 31c38cea3d
commit fc12f435e3
25 changed files with 709 additions and 131 deletions
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polkadot/node/core/runtime-api/src/cache.rs
+19 -1
View File
@@ -20,7 +20,7 @@ use schnellru::{ByLength, LruMap};
use sp_consensus_babe::Epoch;
use polkadot_primitives::{
async_backing, slashing, AuthorityDiscoveryId, BlockNumber, CandidateCommitments,
async_backing, slashing, vstaging, AuthorityDiscoveryId, BlockNumber, CandidateCommitments,
CandidateEvent, CandidateHash, CommittedCandidateReceipt, CoreState, DisputeState,
ExecutorParams, GroupRotationInfo, Hash, Id as ParaId, InboundDownwardMessage,
InboundHrmpMessage, OccupiedCoreAssumption, PersistedValidationData, PvfCheckStatement,
@@ -67,6 +67,7 @@ pub(crate) struct RequestResultCache {
disabled_validators: LruMap<Hash, Vec<ValidatorIndex>>,
para_backing_state: LruMap<(Hash, ParaId), Option<async_backing::BackingState>>,
async_backing_params: LruMap<Hash, async_backing::AsyncBackingParams>,
node_features: LruMap<SessionIndex, vstaging::NodeFeatures>,
}
impl Default for RequestResultCache {
@@ -100,6 +101,7 @@ impl Default for RequestResultCache {
disabled_validators: LruMap::new(ByLength::new(DEFAULT_CACHE_CAP)),
para_backing_state: LruMap::new(ByLength::new(DEFAULT_CACHE_CAP)),
async_backing_params: LruMap::new(ByLength::new(DEFAULT_CACHE_CAP)),
node_features: LruMap::new(ByLength::new(DEFAULT_CACHE_CAP)),
}
}
}
@@ -446,6 +448,21 @@ impl RequestResultCache {
self.minimum_backing_votes.insert(session_index, minimum_backing_votes);
}
pub(crate) fn node_features(
&mut self,
session_index: SessionIndex,
) -> Option<&vstaging::NodeFeatures> {
self.node_features.get(&session_index).map(|f| &*f)
}
pub(crate) fn cache_node_features(
&mut self,
session_index: SessionIndex,
features: vstaging::NodeFeatures,
) {
self.node_features.insert(session_index, features);
}
pub(crate) fn disabled_validators(
&mut self,
relay_parent: &Hash,
@@ -540,4 +557,5 @@ pub(crate) enum RequestResult {
DisabledValidators(Hash, Vec<ValidatorIndex>),
ParaBackingState(Hash, ParaId, Option<async_backing::BackingState>),
AsyncBackingParams(Hash, async_backing::AsyncBackingParams),
NodeFeatures(SessionIndex, vstaging::NodeFeatures),
}