Implement validation data refactor (#1585)

* update primitives * correct parent_head field * make hrmp field pub * refactor validation data: runtime * refactor validation data: messages * add arguments to full_validation_data runtime API * port runtime API * mostly port over candidate validation * remove some parameters from ValidationParams * guide: update candidate validation * update candidate outputs * update ValidationOutputs in primitives * port over candidate validation * add a new test for no-transient behavior * update util runtime API wrappers * candidate backing * fix missing imports * change some fields of validation data around * runtime API impl * update candidate validation * fix backing tests * grumbles from review * fix av-store tests * fix some more crates * fix provisioner tests * fix availability distribution tests * port collation-generation to new validation data * fix overseer tests * Update roadmap/implementers-guide/src/node/utility/candidate-validation.md Co-authored-by: Peter Goodspeed-Niklaus <coriolinus@users.noreply.github.com> Co-authored-by: Peter Goodspeed-Niklaus <coriolinus@users.noreply.github.com>
2026-05-30 19:51:02 +00:00 · 2020-08-18 14:41:40 +02:00
parent 3395044402
commit 262574fc49
36 changed files with 619 additions and 1153 deletions
@@ -0,0 +1,71 @@
+// Copyright 2017-2020 Parity Technologies (UK) Ltd.
+// This file is part of Polkadot.
+
+// Polkadot is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Polkadot is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.
+
+//! Utilities that don't belong to any particular module but may draw
+//! on all modules.
+
+use sp_runtime::traits::{One, Saturating};
+use primitives::v1::{Id as ParaId, PersistedValidationData, TransientValidationData};
+use sp_std::prelude::*;
+
+use crate::{configuration, paras};
+
+/// Make the persisted validation data for a particular parachain.
+///
+/// This ties together the storage of several modules.
+pub fn make_persisted_validation_data<T: paras::Trait>(
+	para_id: ParaId,
+) -> Option<PersistedValidationData<T::BlockNumber>> {
+	let relay_parent_number = <frame_system::Module<T>>::block_number() - One::one();
+
+	Some(PersistedValidationData {
+		parent_head: <paras::Module<T>>::para_head(&para_id)?,
+		block_number: relay_parent_number,
+		hrmp_mqc_heads: Vec::new(),
+	})
+}
+
+/// Make the transient validation data for a particular parachain.
+///
+/// This ties together the storage of several modules.
+pub fn make_transient_validation_data<T: paras::Trait>(
+	para_id: ParaId,
+) -> Option<TransientValidationData<T::BlockNumber>> {
+	let config = <configuration::Module<T>>::config();
+	let relay_parent_number = <frame_system::Module<T>>::block_number() - One::one();
+
+	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.map_or(
+		true,
+		|l| { l <= relay_parent_number && relay_parent_number.saturating_sub(l) >= freq },
+	);
+
+	let code_upgrade_allowed = if can_upgrade_code {
+		Some(relay_parent_number + delay)
+	} else {
+		None
+	};
+
+	Some(TransientValidationData {
+		max_code_size: config.max_code_size,
+		max_head_data_size: config.max_head_data_size,
+		balance: 0,
+		code_upgrade_allowed,
+	})
+}