net: Install default CryptoProvider for TLS connections

README.md

@@ -99,8 +99,8 @@ to happen from time to time. As a workaround, we can configure an older
 nightly version, which was known to work:
 
 ```shell
-% rustup toolchain install nightly-2024-02-01
-% rustup target add wasm32-unknown-unknown --toolchain nightly-2024-02-01
+% rustup toolchain install nightly-2024-04-05
+% rustup target add wasm32-unknown-unknown --toolchain nightly-2024-04-05
 ```
 
 Now we can use that toolchain in `make` directly:

src/net/p2p.rs

@@ -19,6 +19,7 @@
 use std::sync::Arc;
 
 use futures::{stream::FuturesUnordered, TryFutureExt};
+use futures_rustls::rustls::crypto::{ring, CryptoProvider};
 use log::{debug, error, info, warn};
 use smol::{lock::Mutex, stream::StreamExt};
 use url::Url;
@@ -81,6 +82,9 @@ impl P2p {
     pub async fn new(settings: Settings, executor: ExecutorPtr) -> P2pPtr {
         let settings = Arc::new(settings);
 
+        // Register a CryptoProvider for rustls
+        CryptoProvider::install_default(ring::default_provider()).unwrap();
+
         let self_ = Arc::new(Self {
             executor,
             hosts: Hosts::new(settings.clone()),