mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-04-26 14:37:57 +00:00
Vivek Pandya
bc53b9a03a
* Change copyright year to 2023 from 2022 * Fix incorrect update of copyright year * Remove years from copy right header * Fix remaining files * Fix typo in a header and remove update-copyright.sh
77 lines
2.4 KiB
Rust
77 lines
2.4 KiB
Rust
// This file is part of Substrate.
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// Copyright (C) Parity Technologies (UK) Ltd.
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// SPDX-License-Identifier: Apache-2.0
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//! Traits, types and structs to support putting a bounded vector into storage, as a raw value, map
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//! or a double map.
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use crate::{
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storage::{StorageDecodeLength, StorageTryAppend},
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traits::Get,
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};
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pub use sp_runtime::{BoundedSlice, BoundedVec};
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impl<T, S> StorageDecodeLength for BoundedVec<T, S> {}
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impl<T, S: Get<u32>> StorageTryAppend<T> for BoundedVec<T, S> {
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fn bound() -> usize {
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S::get() as usize
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}
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}
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#[cfg(test)]
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pub mod test {
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use super::*;
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use crate::{bounded_vec, traits::ConstU32, Twox128};
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use sp_io::TestExternalities;
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#[crate::storage_alias]
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type Foo = StorageValue<Prefix, BoundedVec<u32, ConstU32<7>>>;
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#[crate::storage_alias]
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type FooMap = StorageMap<Prefix, Twox128, u32, BoundedVec<u32, ConstU32<7>>>;
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#[crate::storage_alias]
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type FooDoubleMap =
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StorageDoubleMap<Prefix, Twox128, u32, Twox128, u32, BoundedVec<u32, ConstU32<7>>>;
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#[test]
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fn decode_len_works() {
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TestExternalities::default().execute_with(|| {
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let bounded: BoundedVec<u32, ConstU32<7>> = bounded_vec![1, 2, 3];
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Foo::put(bounded);
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assert_eq!(Foo::decode_len().unwrap(), 3);
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});
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TestExternalities::default().execute_with(|| {
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let bounded: BoundedVec<u32, ConstU32<7>> = bounded_vec![1, 2, 3];
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FooMap::insert(1, bounded);
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assert_eq!(FooMap::decode_len(1).unwrap(), 3);
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assert!(FooMap::decode_len(0).is_none());
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assert!(FooMap::decode_len(2).is_none());
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});
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TestExternalities::default().execute_with(|| {
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let bounded: BoundedVec<u32, ConstU32<7>> = bounded_vec![1, 2, 3];
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FooDoubleMap::insert(1, 1, bounded);
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assert_eq!(FooDoubleMap::decode_len(1, 1).unwrap(), 3);
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assert!(FooDoubleMap::decode_len(2, 1).is_none());
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assert!(FooDoubleMap::decode_len(1, 2).is_none());
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assert!(FooDoubleMap::decode_len(2, 2).is_none());
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});
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}
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}
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