Files
pezkuwi-sdk/substrate/frame/support/procedural/examples/proc_main/tasks.rs
T

62 lines
1.8 KiB
Rust

// This file is part of Substrate.
// Copyright (C) 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.
#[cfg(test)]
use super::{
assert_ok,
frame_system::{Numbers, Total},
Runtime, RuntimeOrigin, RuntimeTask, System,
};
use frame_support_procedural::pallet_section;
#[pallet_section]
mod tasks_example {
#[docify::export(tasks_example)]
#[pallet::tasks_experimental]
impl<T: Config> Pallet<T> {
/// Add a pair of numbers into the totals and remove them.
#[pallet::task_list(Numbers::<T>::iter_keys())]
#[pallet::task_condition(|i| Numbers::<T>::contains_key(i))]
#[pallet::task_weight(0.into())]
#[pallet::task_index(0)]
pub fn add_number_into_total(i: u32) -> DispatchResult {
let v = Numbers::<T>::take(i).ok_or(Error::<T>::NotFound)?;
Total::<T>::mutate(|(total_keys, total_values)| {
*total_keys += i;
*total_values += v;
});
Ok(())
}
}
}
#[docify::export]
#[test]
fn tasks_work() {
super::new_test_ext().execute_with(|| {
Numbers::<Runtime>::insert(0, 1);
let task = RuntimeTask::System(super::frame_system::Task::<Runtime>::AddNumberIntoTotal {
i: 0u32,
});
assert_ok!(System::do_task(RuntimeOrigin::signed(1), task.clone(),));
assert_eq!(Numbers::<Runtime>::get(0), None);
assert_eq!(Total::<Runtime>::get(), (0, 1));
});
}