mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-06-18 07:11:03 +00:00
Nazar Mokrynskyi
a685582bfd
* Extract `NetworkKVProvider` trait in `sc-authority-discovery` and remove unnecessary dependency * Extract `NetworkSyncForkRequest` trait in `sc-finality-grandpa` * Relax requirements on `SyncOracle` trait, remove extra native methods from `NetworkService` that are already provided by trait impls * Move `NetworkSigner` trait from `sc-authority-discovery` into `sc-network-common` and de-duplicate methods on `NetworkService` * Move `NetworkKVProvider` trait from `sc-authority-discovery` into `sc-network-common` and de-duplicate methods on `NetworkService` * Minimize `sc-authority-discovery` dependency on `sc-network` * Move `NetworkSyncForkRequest` trait from `sc-finality-grandpa` to `sc-network-common` and de-duplicate methods in `NetworkService` * Extract `NetworkStatusProvider` trait and de-duplicate methods on `NetworkService` * Extract `NetworkPeers` trait and de-duplicate methods on `NetworkService` * Extract `NetworkEventStream` trait and de-duplicate methods on `NetworkService` * Move more methods from `NetworkService` into `NetworkPeers` trait * Move `NetworkStateInfo` trait into `sc-network-common` * Extract `NetworkNotification` trait and de-duplicate methods on `NetworkService` * Extract `NetworkRequest` trait and de-duplicate methods on `NetworkService` * Remove `NetworkService::local_peer_id()`, it is already provided by `NetworkStateInfo` impl * Extract `NetworkTransaction` trait and de-duplicate methods on `NetworkService` * Extract `NetworkBlock` trait and de-duplicate methods on `NetworkService` * Remove dependencies on `NetworkService` from most of the methods of `sc-service` * Address simple review comments
54 lines
2.0 KiB
Rust
54 lines
2.0 KiB
Rust
// This file is part of Substrate.
|
|
//
|
|
// Copyright (C) 2017-2022 Parity Technologies (UK) Ltd.
|
|
// SPDX-License-Identifier: GPL-3.0-or-later WITH Classpath-exception-2.0
|
|
//
|
|
// This program 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.
|
|
//
|
|
// This program 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 this program. If not, see <https://www.gnu.org/licenses/>.
|
|
//
|
|
// If you read this, you are very thorough, congratulations.
|
|
|
|
use libp2p::{
|
|
identity::{error::SigningError, Keypair, PublicKey},
|
|
PeerId,
|
|
};
|
|
|
|
/// A result of signing a message with a network identity. Since `PeerId` is potentially a hash of a
|
|
/// `PublicKey`, you need to reveal the `PublicKey` next to the signature, so the verifier can check
|
|
/// if the signature was made by the entity that controls a given `PeerId`.
|
|
pub struct Signature {
|
|
/// The public key derived from the network identity that signed the message.
|
|
pub public_key: PublicKey,
|
|
/// The actual signature made for the message signed.
|
|
pub bytes: Vec<u8>,
|
|
}
|
|
|
|
impl Signature {
|
|
/// Create a signature for a message with a given network identity.
|
|
pub fn sign_message(
|
|
message: impl AsRef<[u8]>,
|
|
keypair: &Keypair,
|
|
) -> Result<Self, SigningError> {
|
|
let public_key = keypair.public();
|
|
let bytes = keypair.sign(message.as_ref())?;
|
|
Ok(Self { public_key, bytes })
|
|
}
|
|
|
|
/// Verify whether the signature was made for the given message by the entity that controls the
|
|
/// given `PeerId`.
|
|
pub fn verify(&self, message: impl AsRef<[u8]>, peer_id: &PeerId) -> bool {
|
|
*peer_id == self.public_key.to_peer_id() &&
|
|
self.public_key.verify(message.as_ref(), &self.bytes)
|
|
}
|
|
}
|