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Include a reference to the validation data in the candidate descriptor (#1442)

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* rename GlobalValidationSchedule to GlobalValidationData

* guide: update candidate descriptor to contain validation data hash

* guide: add note in inclusion module about checking validation data hash

* primitives: update CandidateDescriptor to contain new hash

* fix payload computation

* add helpers for computing validation data to runtime modules

* guide: note routines

* inclusion: check validation data hash and fix local_validation_data bug

* add a case to candidate_checks and improve that test substantially

* bump versions

* address review comments

* add a test for including code upgrade

* bump kusama version

* bump westend & polkadot versions
This commit is contained in:
Robert Habermeier
2020-07-23 15:02:24 -04:00
committed by GitHub
parent 1ed17cd467
commit 09f602f8de
26 changed files with 434 additions and 175 deletions
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polkadot/runtime/parachains/src/runtime_api_impl/v1.rs
+9 -41
View File
@@ -18,12 +18,12 @@
//! functions.
use primitives::v1::{
ValidatorId, ValidatorIndex, GroupRotationInfo, CoreState, GlobalValidationSchedule,
ValidatorId, ValidatorIndex, GroupRotationInfo, CoreState, GlobalValidationData,
Id as ParaId, OccupiedCoreAssumption, LocalValidationData, SessionIndex, ValidationCode,
CommittedCandidateReceipt, ScheduledCore, OccupiedCore, CoreOccupied, CoreIndex,
GroupIndex, CandidateEvent,
};
use sp_runtime::traits::{One, BlakeTwo256, Hash as HashT, Saturating, Zero};
use sp_runtime::traits::Zero;
use frame_support::debug;
use crate::{initializer, inclusion, scheduler, configuration, paras};
@@ -160,16 +160,11 @@ pub fn availability_cores<T: initializer::Trait>() -> Vec<CoreState<T::BlockNumb
core_states
}
/// Implementation for the `global_validation_schedule` function of the runtime API.
pub fn global_validation_schedule<T: initializer::Trait>()
-> GlobalValidationSchedule<T::BlockNumber>
/// Implementation for the `global_validation_data` function of the runtime API.
pub fn global_validation_data<T: initializer::Trait>()
-> GlobalValidationData<T::BlockNumber>
{
let config = <configuration::Module<T>>::config();
GlobalValidationSchedule {
max_code_size: config.max_code_size,
max_head_data_size: config.max_head_data_size,
block_number: <system::Module<T>>::block_number() - One::one(),
}
<configuration::Module<T>>::global_validation_data()
}
/// Implementation for the `local_validation_data` function of the runtime API.
@@ -177,46 +172,19 @@ pub fn local_validation_data<T: initializer::Trait>(
para_id: ParaId,
assumption: OccupiedCoreAssumption,
) -> Option<LocalValidationData<T::BlockNumber>> {
let construct = || {
let relay_parent_number = <system::Module<T>>::block_number() - One::one();
let config = <configuration::Module<T>>::config();
let freq = config.validation_upgrade_frequency;
let delay = config.validation_upgrade_delay;
let last_code_upgrade = <paras::Module<T>>::last_code_upgrade(para_id, true)?;
let can_upgrade_code = last_code_upgrade <= relay_parent_number
&& relay_parent_number.saturating_sub(last_code_upgrade) >= freq;
let code_upgrade_allowed = if can_upgrade_code {
Some(relay_parent_number + delay)
} else {
None
};
Some(LocalValidationData {
parent_head: <paras::Module<T>>::para_head(&para_id)?,
balance: 0,
validation_code_hash: BlakeTwo256::hash_of(
&<paras::Module<T>>::current_code(&para_id)?
),
code_upgrade_allowed,
})
};
match assumption {
OccupiedCoreAssumption::Included => {
<inclusion::Module<T>>::force_enact(para_id);
construct()
<paras::Module<T>>::local_validation_data(para_id)
}
OccupiedCoreAssumption::TimedOut => {
construct()
<paras::Module<T>>::local_validation_data(para_id)
}
OccupiedCoreAssumption::Free => {
if <inclusion::Module<T>>::pending_availability(para_id).is_some() {
None
} else {
construct()
<paras::Module<T>>::local_validation_data(para_id)
}
}
}