mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-06-13 10:31:04 +00:00
André Silva
097cadca19
* create newtype for ValidationCodeHash * pvf: fix tests compilation * primitives: fix test compilation
57 lines
1.8 KiB
Rust
57 lines
1.8 KiB
Rust
// Copyright 2021 Parity Technologies (UK) Ltd.
|
|
// This file is part of Polkadot.
|
|
|
|
// Polkadot is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
|
|
// Polkadot is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License for more details.
|
|
|
|
// You should have received a copy of the GNU General Public License
|
|
// along with Polkadot. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
use crate::artifacts::ArtifactId;
|
|
use polkadot_parachain::primitives::ValidationCodeHash;
|
|
use sp_core::blake2_256;
|
|
use std::{fmt, sync::Arc};
|
|
|
|
/// A struct that carries code of a parachain validation function and it's hash.
|
|
///
|
|
/// Should be cheap to clone.
|
|
#[derive(Clone)]
|
|
pub struct Pvf {
|
|
pub(crate) code: Arc<Vec<u8>>,
|
|
pub(crate) code_hash: ValidationCodeHash,
|
|
}
|
|
|
|
impl fmt::Debug for Pvf {
|
|
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
|
|
write!(f, "Pvf {{ code, code_hash: {:?} }}", self.code_hash)
|
|
}
|
|
}
|
|
|
|
impl Pvf {
|
|
/// Returns an instance of the PVF out of the given PVF code.
|
|
pub fn from_code(code: Vec<u8>) -> Self {
|
|
let code = Arc::new(code);
|
|
let code_hash = blake2_256(&code).into();
|
|
Self { code, code_hash }
|
|
}
|
|
|
|
/// Creates a new pvf which artifact id can be uniquely identified by the given number.
|
|
#[cfg(test)]
|
|
pub(crate) fn from_discriminator(num: u32) -> Self {
|
|
let descriminator_buf = num.to_le_bytes().to_vec();
|
|
Pvf::from_code(descriminator_buf)
|
|
}
|
|
|
|
/// Returns the artifact ID that corresponds to this PVF.
|
|
pub(crate) fn as_artifact_id(&self) -> ArtifactId {
|
|
ArtifactId::new(self.code_hash)
|
|
}
|
|
}
|