mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-05-06 12:38:04 +00:00
Bastian Köcher
d54fdd788e
* Start * More work * Add proc-macro for `validate_block` * Make everything compile * Add some test
52 lines
1.9 KiB
Rust
52 lines
1.9 KiB
Rust
// Copyright 2019-2021 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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use polkadot_parachain::primitives::ValidationParams;
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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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#[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 use polkadot_parachain;
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#[cfg(not(feature = "std"))]
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#[doc(hidden)]
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pub use sp_runtime::traits::GetRuntimeBlockType;
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// Stores the [`ValidationParams`] that are being passed to `validate_block`.
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//
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// This value will only be set when a parachain validator validates a given `PoV`.
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environmental::environmental!(VALIDATION_PARAMS: ValidationParams);
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/// Execute the given closure with the [`ValidationParams`].
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///
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/// Returns `None` if the [`ValidationParams`] are not set, because the code is currently not being
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/// executed in the context of `validate_block`.
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pub(crate) fn with_validation_params<R>(f: impl FnOnce(&ValidationParams) -> R) -> Option<R> {
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VALIDATION_PARAMS::with(|v| f(v))
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}
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/// Set the [`ValidationParams`] for the local context and execute the given closure in this context.
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#[cfg(not(feature = "std"))]
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fn set_and_run_with_validation_params<R>(mut params: ValidationParams, f: impl FnOnce() -> R) -> R {
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VALIDATION_PARAMS::using(&mut params, f)
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}
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