Files
pezkuwi-subxt/substrate/frame/system/src/extensions/check_spec_version.rs
T
Sergej Sakac 6e8795afe6 BREAKING: Rename Call & Event (#11981)
* rename Event to RuntimeEvent

* rename Call

* rename in runtimes

* small fix

* rename Event

* small fix & rename RuntimeCall back to Call for now

* small fixes

* more renaming

* a bit more renaming

* fmt

* small fix

* commit

* prep for renaming associated types

* fix

* rename associated Event type

* rename to RuntimeEvent

* commit

* merge conflict fixes & fmt

* additional renaming

* fix.

* fix decl_event

* rename in tests

* remove warnings

* remove accidental rename

* .

* commit

* update .stderr

* fix in test

* update .stderr

* TRYBUILD=overwrite

* docs

* fmt

* small change in docs

* rename PalletEvent to Event

* rename Call to RuntimeCall

* renamed at wrong places :P

* rename Call

* rename

* rename associated type

* fix

* fix & fmt

* commit

* frame-support-test

* passing tests

* update docs

* rustdoc fix

* update .stderr

* wrong code in docs

* merge fix

* fix in error message

* update .stderr

* docs & error message

* .

* merge fix

* merge fix

* fmt

* fmt

* merge fix

* more fixing

* fmt

* remove unused

* fmt

* fix

Co-authored-by: Shawn Tabrizi <shawntabrizi@gmail.com>
2022-09-12 22:03:31 +00:00

76 lines
2.4 KiB
Rust

// This file is part of Substrate.
// Copyright (C) 2017-2022 Parity Technologies (UK) Ltd.
// SPDX-License-Identifier: Apache-2.0
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
use crate::{Config, Pallet};
use codec::{Decode, Encode};
use scale_info::TypeInfo;
use sp_runtime::{
traits::{DispatchInfoOf, SignedExtension},
transaction_validity::TransactionValidityError,
};
/// Ensure the runtime version registered in the transaction is the same as at present.
///
/// # Transaction Validity
///
/// The transaction with incorrect `spec_version` are considered invalid. The validity
/// is not affected in any other way.
#[derive(Encode, Decode, Clone, Eq, PartialEq, TypeInfo)]
#[scale_info(skip_type_params(T))]
pub struct CheckSpecVersion<T: Config + Send + Sync>(sp_std::marker::PhantomData<T>);
impl<T: Config + Send + Sync> sp_std::fmt::Debug for CheckSpecVersion<T> {
#[cfg(feature = "std")]
fn fmt(&self, f: &mut sp_std::fmt::Formatter) -> sp_std::fmt::Result {
write!(f, "CheckSpecVersion")
}
#[cfg(not(feature = "std"))]
fn fmt(&self, _: &mut sp_std::fmt::Formatter) -> sp_std::fmt::Result {
Ok(())
}
}
impl<T: Config + Send + Sync> CheckSpecVersion<T> {
/// Create new `SignedExtension` to check runtime version.
pub fn new() -> Self {
Self(sp_std::marker::PhantomData)
}
}
impl<T: Config + Send + Sync> SignedExtension for CheckSpecVersion<T> {
type AccountId = T::AccountId;
type Call = <T as Config>::RuntimeCall;
type AdditionalSigned = u32;
type Pre = ();
const IDENTIFIER: &'static str = "CheckSpecVersion";
fn additional_signed(&self) -> Result<Self::AdditionalSigned, TransactionValidityError> {
Ok(<Pallet<T>>::runtime_version().spec_version)
}
fn pre_dispatch(
self,
who: &Self::AccountId,
call: &Self::Call,
info: &DispatchInfoOf<Self::Call>,
len: usize,
) -> Result<Self::Pre, TransactionValidityError> {
self.validate(who, call, info, len).map(|_| ())
}
}