mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-06-13 03:31:10 +00:00
Stanislav Tkach
82 lines
2.2 KiB
Rust
82 lines
2.2 KiB
Rust
// Copyright 2019 Parity Technologies (UK) Ltd.
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// This file is part of Substrate.
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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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//! A module that enables a runtime to work as parachain.
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#[cfg(test)]
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mod tests;
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#[cfg(not(feature = "std"))]
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#[doc(hidden)]
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pub mod implementation;
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/// Register the `validate_block` function that is used by parachains to validate blocks on a validator.
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///
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/// Does *nothing* when `std` feature is enabled.
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///
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/// Expects as parameters the block and the block executor.
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///
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/// # Example
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///
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/// ```
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/// struct Block;
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/// struct BlockExecutor;
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///
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/// cumulus_runtime::register_validate_block!(Block, BlockExecutor);
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///
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/// # fn main() {}
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/// ```
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#[macro_export]
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macro_rules! register_validate_block {
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($block:ty, $block_executor:ty) => {
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$crate::register_validate_block_impl!($block, $block_executor);
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};
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}
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/// The actual implementation of `register_validate_block` for `no_std`.
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#[cfg(not(feature = "std"))]
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#[doc(hidden)]
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#[macro_export]
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macro_rules! register_validate_block_impl {
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($block:ty, $block_executor:ty) => {
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#[doc(hidden)]
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mod parachain_validate_block {
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use super::*;
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#[no_mangle]
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unsafe fn validate_block(
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arguments: *const u8,
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arguments_len: u64,
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) {
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let arguments = $crate::slice::from_raw_parts(
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arguments,
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arguments_len as usize,
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);
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$crate::validate_block::implementation::validate_block::<
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$block, $block_executor
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>(arguments);
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}
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}
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};
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}
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/// The actual implementation of `register_validate_block` for `std`.
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#[cfg(feature = "std")]
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#[doc(hidden)]
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#[macro_export]
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macro_rules! register_validate_block_impl {
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($block:ty, $block_executor:ty) => {};
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} |