fix!: cleanup dead and unused dependencies (#3070)

## Description

<!-- A summary of what this pull request achieves and a rough list of
changes. -->

## Breaking Changes

- removed `regex` feature (as the dependency is not used anymore)

## Notes & open questions

<!-- Any notes, remarks or open questions you have to make about the PR.
-->

## Change checklist

- [ ] Self-review.
- [ ] Documentation updates following the [style
guide](https://rust-lang.github.io/rfcs/1574-more-api-documentation-conventions.html#appendix-a-full-conventions-text),
if relevant.
- [ ] Tests if relevant.
- [ ] All breaking changes documented.

Author: dignifiedquire

Cargo.lock

@@ -32,7 +32,7 @@ rand = "0.8"
 reqwest = { version = "0.12", default-features = false }
 rustls = { version = "0.23", default-features = false }
 surge-ping = "0.8.0"
-thiserror = "1"
+thiserror = "2"
 tokio = { version = "1", default-features = false, features = ["sync", "time", "macros", "rt"] }
 tokio-util = { version = "0.7.12", default-features = false }
 tracing = "0.1"
@@ -41,7 +41,6 @@ url = { version = "2.4" }
 [dev-dependencies]
 iroh-relay = { path = "../iroh-relay", features = ["test-utils", "server"] }
 iroh-test = { path = "../iroh-test" }
-once_cell = "1.18.0"
 pretty_assertions = "1.4"
 testresult = "0.4.0"
 tokio = { version = "1", default-features = false, features = ["test-util"] }

iroh-net-report/Cargo.toml

@@ -182,18 +182,19 @@ async fn stagger_call<T, F: Fn() -> Fut, Fut: Future<Output = Result<T>>>(
 
 #[cfg(test)]
 pub(crate) mod tests {
-    use std::{net::Ipv6Addr, sync::atomic::AtomicUsize};
-
-    use once_cell::sync::Lazy;
+    use std::{
+        net::Ipv6Addr,
+        sync::{atomic::AtomicUsize, OnceLock},
+    };
 
     use super::*;
 
-    static DNS_RESOLVER: Lazy<TokioResolver> =
-        Lazy::new(|| create_default_resolver().expect("unable to create DNS resolver"));
+    static DNS_RESOLVER: OnceLock<TokioResolver> = OnceLock::new();
 
     /// Get a DNS resolver suitable for testing.
     pub fn resolver() -> &'static TokioResolver {
-        Lazy::force(&DNS_RESOLVER)
+        DNS_RESOLVER
+            .get_or_init(|| create_default_resolver().expect("unable to create DNS resolver"))
     }
 
     /// Deprecated IPv6 site-local anycast addresses still configured by windows.

iroh-net-report/src/dns.rs

@@ -15,7 +15,6 @@ workspace = true
 
 [dependencies]
 anyhow = { version = "1" }
-base64 = "0.22.1"
 bytes = "1.7"
 clap = { version = "4", features = ["derive"], optional = true }
 derive_more = { version = "1.0.0", features = [
@@ -32,16 +31,13 @@ futures-util = "0.3"
 governor = "0.7.0"
 hickory-proto = { version = "=0.25.0-alpha.4" }
 hickory-resolver = "=0.25.0-alpha.4"
-hostname = "0.4"
 http = "1"
 http-body-util = "0.1.0"
 hyper = { version = "1", features = ["server", "client", "http1"] }
 hyper-util = "0.1.1"
 iroh-base = { version = "0.30.0", path = "../iroh-base", default-features = false, features = ["key", "relay"] }
 iroh-metrics = { version = "0.30.0", default-features = false }
-libc = "0.2.139"
 num_enum = "0.7"
-once_cell = "1.18.0"
 pin-project = "1"
 postcard = { version = "1", default-features = false, features = [
     "alloc",
@@ -57,14 +53,11 @@ reloadable-state = { version = "0.1", optional = true }
 reqwest = { version = "0.12", default-features = false, features = [
     "rustls-tls",
 ] }
-ring = "0.17"
 rustls = { version = "0.23", default-features = false, features = ["ring"] }
 rustls-cert-reloadable-resolver = { version = "0.7.1", optional = true }
 rustls-cert-file-reader = { version = "0.4.1", optional = true }
 rustls-pemfile = { version = "2.1", optional = true }
 serde = { version = "1", features = ["derive", "rc"] }
-smallvec = "1.11.1"
-socket2 = "0.5.3"
 stun-rs = "0.1.5"
 thiserror = "2"
 time = "0.3.20"

iroh-relay/Cargo.toml

@@ -10,9 +10,9 @@ use std::{
     time::Duration,
 };
 
-use base64::{engine::general_purpose::URL_SAFE, Engine as _};
 use bytes::Bytes;
 use conn::{Conn, ConnBuilder, ConnReader, ConnReceiver, ConnWriter, ReceivedMessage};
+use data_encoding::BASE64URL;
 use futures_util::StreamExt;
 use hickory_resolver::TokioResolver as DnsResolver;
 use http_body_util::Empty;
@@ -947,7 +947,7 @@ impl Actor {
                 proxy_url.username(),
                 proxy_url.password().unwrap_or_default()
             );
-            let encoded = URL_SAFE.encode(to_encode);
+            let encoded = BASE64URL.encode(to_encode.as_bytes());
             req_builder = req_builder.header("Proxy-Authorization", format!("Basic {}", encoded));
         }
         let req = req_builder.body(Empty::<Bytes>::new())?;

iroh-relay/src/client.rs

@@ -1,21 +1,22 @@
-use std::net::{IpAddr, Ipv6Addr};
+use std::{
+    net::{IpAddr, Ipv6Addr},
+    sync::OnceLock,
+};
 
 use anyhow::Result;
 use hickory_resolver::{Resolver, TokioResolver};
-use once_cell::sync::Lazy;
 
 /// The DNS resolver type used throughout `iroh`.
 pub(crate) type DnsResolver = TokioResolver;
 
-static DNS_RESOLVER: Lazy<TokioResolver> =
-    Lazy::new(|| create_default_resolver().expect("unable to create DNS resolver"));
+static DNS_RESOLVER: OnceLock<TokioResolver> = OnceLock::new();
 
 /// Get a reference to the default DNS resolver.
 ///
 /// The default resolver can be cheaply cloned and is shared throughout the running process.
 /// It is configured to use the system's DNS configuration.
 pub fn default_resolver() -> &'static DnsResolver {
-    &DNS_RESOLVER
+    DNS_RESOLVER.get_or_init(|| create_default_resolver().expect("unable to create DNS resolver"))
 }
 
 /// Deprecated IPv6 site-local anycast addresses still configured by windows.