Rust implementation of NextGraph, a Decentralized and local-first web 3.0 ecosystem
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nextgraph-rs/p2p-net/src/utils.rs

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/*
* Copyright (c) 2022-2023 Niko Bonnieure, Par le Peuple, NextGraph.org developers
* All rights reserved.
* Licensed under the Apache License, Version 2.0
* <LICENSE-APACHE2 or http://www.apache.org/licenses/LICENSE-2.0>
* or the MIT license <LICENSE-MIT or http://opensource.org/licenses/MIT>,
* at your option. All files in the project carrying such
* notice may not be copied, modified, or distributed except
* according to those terms.
*/
use crate::log;
use async_std::task;
use ed25519_dalek::*;
use futures::{channel::mpsc, select, Future, FutureExt, SinkExt};
pub use noise_protocol::U8Array;
use noise_protocol::DH;
pub use noise_rust_crypto::sensitive::Sensitive;
#[cfg(target_arch = "wasm32")]
pub fn spawn_and_log_error<F>(fut: F) -> task::JoinHandle<()>
where
F: Future<Output = ResultSend<()>> + 'static,
{
task::spawn_local(async move {
if let Err(e) = fut.await {
log!("EXCEPTION {}", e)
}
})
}
#[cfg(target_arch = "wasm32")]
pub type ResultSend<T> = std::result::Result<T, Box<dyn std::error::Error + Send + Sync>>;
#[cfg(not(target_arch = "wasm32"))]
pub type ResultSend<T> = std::result::Result<T, Box<dyn std::error::Error + Send + Sync>>;
#[cfg(not(target_arch = "wasm32"))]
pub fn spawn_and_log_error<F>(fut: F) -> task::JoinHandle<()>
where
F: Future<Output = ResultSend<()>> + Send + 'static,
{
task::spawn(async move {
if let Err(e) = fut.await {
eprintln!("{}", e)
}
})
}
pub type Sender<T> = mpsc::UnboundedSender<T>;
pub type Receiver<T> = mpsc::UnboundedReceiver<T>;
pub fn gen_keys() -> (Sensitive<[u8; 32]>, [u8; 32]) {
let pri = noise_rust_crypto::X25519::genkey();
let publ = noise_rust_crypto::X25519::pubkey(&pri);
(pri, publ)
}
pub struct Dual25519Keys {
pub x25519_priv: Sensitive<[u8; 32]>,
pub x25519_public: [u8; 32],
pub ed25519_priv: SecretKey,
pub ed25519_pub: PublicKey,
}
impl Dual25519Keys {
pub fn generate() -> Self {
let mut x25519_priv = Sensitive::<[u8; 32]>::new();
getrandom::getrandom(&mut *x25519_priv).expect("getrandom failed");
let ed25519_priv = SecretKey::from_bytes(&x25519_priv.as_slice()).unwrap();
let ed25519_pub: PublicKey = (&ed25519_priv).into();
x25519_priv[0] &= 248;
x25519_priv[31] &= 127;
x25519_priv[31] |= 64;
let x25519_public = noise_rust_crypto::X25519::pubkey(&x25519_priv);
Self {
x25519_priv,
x25519_public,
ed25519_priv,
ed25519_pub,
}
}
}