mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-07-02 21:07:24 +00:00
Bastian Köcher
9bf1a5e238
This introduces a check to ensure that the parachain code matches the validation code stored in the relay chain state. If not, it will print a warning. This should be mainly useful for parachain builders to make sure they have setup everything correctly.
80 lines
2.4 KiB
Rust
80 lines
2.4 KiB
Rust
// Copyright (C) Parity Technologies (UK) Ltd.
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// This file is part of Cumulus.
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// Cumulus is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Cumulus is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Cumulus. If not, see <http://www.gnu.org/licenses/>.
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//! Stock, pure Aura collators.
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//!
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//! This includes the [`basic`] collator, which only builds on top of the most recently
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//! included parachain block, as well as the [`lookahead`] collator, which prospectively
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//! builds on parachain blocks which have not yet been included in the relay chain.
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use cumulus_relay_chain_interface::RelayChainInterface;
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use polkadot_primitives::{
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Hash as RHash, Id as ParaId, OccupiedCoreAssumption, ValidationCodeHash,
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};
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pub mod basic;
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pub mod lookahead;
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/// Check the `local_validation_code_hash` against the validation code hash in the relay chain
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/// state.
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///
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/// If the code hashes do not match, it prints a warning.
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async fn check_validation_code_or_log(
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local_validation_code_hash: &ValidationCodeHash,
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para_id: ParaId,
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relay_client: &impl RelayChainInterface,
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relay_parent: RHash,
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) {
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let state_validation_code_hash = match relay_client
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.validation_code_hash(relay_parent, para_id, OccupiedCoreAssumption::Included)
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.await
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{
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Ok(hash) => hash,
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Err(error) => {
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tracing::debug!(
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target: super::LOG_TARGET,
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%error,
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?relay_parent,
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%para_id,
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"Failed to fetch validation code hash",
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);
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return
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},
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};
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match state_validation_code_hash {
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Some(state) =>
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if state != *local_validation_code_hash {
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tracing::warn!(
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target: super::LOG_TARGET,
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%para_id,
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?relay_parent,
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?local_validation_code_hash,
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relay_validation_code_hash = ?state,
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"Parachain code doesn't match validation code stored in the relay chain state",
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);
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},
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None => {
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tracing::warn!(
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target: super::LOG_TARGET,
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%para_id,
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?relay_parent,
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"Could not find validation code for parachain in the relay chain state.",
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);
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},
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}
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}
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