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Introduce new Runtime API endpoint for fetching the validation data (#3728)

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* Introduce new Runtime API endpoint

`persisted_validation_data_with_code_hash` that will be used
by the candidate validation subsystem in order to decrease amount
of runtime API requests.

* Node-side part of new runtime API request

* Define code hash getter via macro

* Rename new endpoint to `assumed_validation_data`

* Docs for runtime API impl of new endpoint

* AssumedValidationData specialized request function

* fmt
This commit is contained in:
Chris Sosnin
2021-10-22 15:49:26 +03:00
committed by GitHub
parent 228977fd52
commit ad33b8749b
13 changed files with 230 additions and 7 deletions
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polkadot/node/core/runtime-api/src/cache.rs
+27
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@@ -33,6 +33,7 @@ const VALIDATORS_CACHE_SIZE: usize = 64 * 1024;
const VALIDATOR_GROUPS_CACHE_SIZE: usize = 64 * 1024;
const AVAILABILITY_CORES_CACHE_SIZE: usize = 64 * 1024;
const PERSISTED_VALIDATION_DATA_CACHE_SIZE: usize = 64 * 1024;
const ASSUMED_VALIDATION_DATA_CACHE_SIZE: usize = 64 * 1024;
const CHECK_VALIDATION_OUTPUTS_CACHE_SIZE: usize = 64 * 1024;
const SESSION_INDEX_FOR_CHILD_CACHE_SIZE: usize = 64 * 1024;
const VALIDATION_CODE_CACHE_SIZE: usize = 10 * 1024 * 1024;
@@ -80,6 +81,10 @@ pub(crate) struct RequestResultCache {
(Hash, ParaId, OccupiedCoreAssumption),
ResidentSizeOf<Option<PersistedValidationData>>,
>,
assumed_validation_data: MemoryLruCache<
(ParaId, Hash),
ResidentSizeOf<Option<(PersistedValidationData, ValidationCodeHash)>>,
>,
check_validation_outputs:
MemoryLruCache<(Hash, ParaId, CandidateCommitments), ResidentSizeOf<bool>>,
session_index_for_child: MemoryLruCache<Hash, ResidentSizeOf<SessionIndex>>,
@@ -111,6 +116,7 @@ impl Default for RequestResultCache {
validator_groups: MemoryLruCache::new(VALIDATOR_GROUPS_CACHE_SIZE),
availability_cores: MemoryLruCache::new(AVAILABILITY_CORES_CACHE_SIZE),
persisted_validation_data: MemoryLruCache::new(PERSISTED_VALIDATION_DATA_CACHE_SIZE),
assumed_validation_data: MemoryLruCache::new(ASSUMED_VALIDATION_DATA_CACHE_SIZE),
check_validation_outputs: MemoryLruCache::new(CHECK_VALIDATION_OUTPUTS_CACHE_SIZE),
session_index_for_child: MemoryLruCache::new(SESSION_INDEX_FOR_CHILD_CACHE_SIZE),
validation_code: MemoryLruCache::new(VALIDATION_CODE_CACHE_SIZE),
@@ -190,6 +196,21 @@ impl RequestResultCache {
self.persisted_validation_data.insert(key, ResidentSizeOf(data));
}
pub(crate) fn assumed_validation_data(
&mut self,
key: (Hash, ParaId, Hash),
) -> Option<&Option<(PersistedValidationData, ValidationCodeHash)>> {
self.assumed_validation_data.get(&(key.1, key.2)).map(|v| &v.0)
}
pub(crate) fn cache_assumed_validation_data(
&mut self,
key: (ParaId, Hash),
data: Option<(PersistedValidationData, ValidationCodeHash)>,
) {
self.assumed_validation_data.insert(key, ResidentSizeOf(data));
}
pub(crate) fn check_validation_outputs(
&mut self,
key: (Hash, ParaId, CandidateCommitments),
@@ -347,6 +368,12 @@ pub(crate) enum RequestResult {
ValidatorGroups(Hash, (Vec<Vec<ValidatorIndex>>, GroupRotationInfo)),
AvailabilityCores(Hash, Vec<CoreState>),
PersistedValidationData(Hash, ParaId, OccupiedCoreAssumption, Option<PersistedValidationData>),
AssumedValidationData(
Hash,
ParaId,
Hash,
Option<(PersistedValidationData, ValidationCodeHash)>,
),
CheckValidationOutputs(Hash, ParaId, CandidateCommitments, bool),
SessionIndexForChild(Hash, SessionIndex),
ValidationCode(Hash, ParaId, OccupiedCoreAssumption, Option<ValidationCode>),