90 lines
2.7 KiB
Rust
90 lines
2.7 KiB
Rust
// This file is part of Bizinikiwi.
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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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//! Remark storage pezpallet. Indexes remarks and stores them off chain.
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// Ensure we're `no_std` when compiling for Wasm.
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#![cfg_attr(not(feature = "std"), no_std)]
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mod benchmarking;
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pub mod weights;
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#[cfg(test)]
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mod mock;
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#[cfg(test)]
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mod tests;
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extern crate alloc;
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use alloc::vec::Vec;
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// Re-export pezpallet items so that they can be accessed from the crate namespace.
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pub use pezpallet::*;
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pub use weights::WeightInfo;
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#[pezframe_support::pezpallet]
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pub mod pezpallet {
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use super::*;
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use pezframe_support::pezpallet_prelude::*;
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use pezframe_system::pezpallet_prelude::*;
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#[pezpallet::config]
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pub trait Config: pezframe_system::Config {
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/// The overarching event type.
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#[allow(deprecated)]
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type RuntimeEvent: From<Event<Self>>
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+ IsType<<Self as pezframe_system::Config>::RuntimeEvent>;
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/// Weight information for extrinsics in this pezpallet.
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type WeightInfo: WeightInfo;
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}
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#[pezpallet::error]
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pub enum Error<T> {
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/// Attempting to store empty data.
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Empty,
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/// Attempted to call `store` outside of block execution.
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BadContext,
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}
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#[pezpallet::pezpallet]
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pub struct Pezpallet<T>(_);
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#[pezpallet::call]
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impl<T: Config> Pezpallet<T> {
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/// Index and store data off chain.
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#[pezpallet::call_index(0)]
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#[pezpallet::weight(T::WeightInfo::store(remark.len() as u32))]
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pub fn store(origin: OriginFor<T>, remark: Vec<u8>) -> DispatchResultWithPostInfo {
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ensure!(!remark.is_empty(), Error::<T>::Empty);
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let sender = ensure_signed(origin)?;
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let content_hash = pezsp_io::hashing::blake2_256(&remark);
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let extrinsic_index = <pezframe_system::Pezpallet<T>>::extrinsic_index()
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.ok_or_else(|| Error::<T>::BadContext)?;
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pezsp_io::transaction_index::index(extrinsic_index, remark.len() as u32, content_hash);
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Self::deposit_event(Event::Stored { sender, content_hash: content_hash.into() });
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Ok(().into())
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}
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}
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#[pezpallet::event]
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#[pezpallet::generate_deposit(pub(super) fn deposit_event)]
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pub enum Event<T: Config> {
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/// Stored data off chain.
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Stored { sender: T::AccountId, content_hash: pezsp_core::H256 },
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}
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}
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