mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-06-26 12:21:08 +00:00
Bastian Köcher
e183d8bd30
This ensures that the crate compiles for `no_std`. Besides this, there are some fixes to the crate code itself.
67 lines
2.7 KiB
Rust
67 lines
2.7 KiB
Rust
// Copyright 2020 Parity Technologies (UK) Ltd.
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// This file is part of Cumulus.
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// Substrate 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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// Substrate 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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//! Validation Function Parameters govern the ability of parachains to upgrade their validation functions.
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use codec::{Decode, Encode};
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use polkadot_parachain::primitives::{RelayChainBlockNumber, ValidationParams};
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use polkadot_primitives::parachain::{GlobalValidationSchedule, LocalValidationData};
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/// Validation Function Parameters
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///
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/// This struct is the subset of [`ValidationParams`](polkadot_parachain::ValidationParams)
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/// which is of interest when upgrading parachain validation functions.
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#[derive(PartialEq, Eq, Encode, Decode, Clone, Copy, Default, sp_runtime::RuntimeDebug)]
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pub struct ValidationFunctionParams {
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/// The maximum code size permitted, in bytes.
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pub max_code_size: u32,
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/// The current relay-chain block number.
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pub relay_chain_height: RelayChainBlockNumber,
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/// Whether a code upgrade is allowed or not, and at which height the upgrade
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/// would be applied after, if so. The parachain logic should apply any upgrade
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/// issued in this block after the first block
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/// with `relay_chain_height` at least this value, if `Some`. if `None`, issue
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/// no upgrade.
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pub code_upgrade_allowed: Option<RelayChainBlockNumber>,
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}
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impl From<&ValidationParams> for ValidationFunctionParams {
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fn from(vp: &ValidationParams) -> Self {
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ValidationFunctionParams {
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max_code_size: vp.max_code_size,
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relay_chain_height: vp.relay_chain_height,
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code_upgrade_allowed: vp.code_upgrade_allowed,
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}
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}
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}
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impl From<(GlobalValidationSchedule, LocalValidationData)> for ValidationFunctionParams {
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fn from(t: (GlobalValidationSchedule, LocalValidationData)) -> Self {
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let (global_validation, local_validation) = t;
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ValidationFunctionParams {
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max_code_size: global_validation.max_code_size,
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relay_chain_height: global_validation.block_number,
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code_upgrade_allowed: local_validation.code_upgrade_allowed,
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}
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}
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}
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/// A trait which is called when the validation function parameters are set
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#[impl_trait_for_tuples::impl_for_tuples(30)]
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pub trait OnValidationFunctionParams {
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fn on_validation_function_params(vfp: ValidationFunctionParams);
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}
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