tests: Add sysctl ipv6 and extra CI steps

.github/workflows/ci.yml

@@ -12,98 +12,144 @@ concurrency:
 # ${{ vars.CI_UNIFIED_IMAGE }} is defined in the repository variables
 
 jobs:
-  check:
-    name: "check"
+  fmt:
+    name: Cargo fmt
     runs-on: ubuntu-latest
     container:
       image: ${{ vars.CI_IMAGE }}
     steps:
-      - uses: actions/checkout@v3
+      - name: Checkout sources
+        uses: actions/checkout@v4
 
-      # uncomment if needed
-      # - name: fmt
-      #   run: |
-      #     cargo fmt --all --check
+      - name: Install Rust nightly toolchain
+        uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: stable
+          override: true
+          components: rustfmt
 
       - name: Rust Cache
-        uses: Swatinem/rust-cache@v2.5.0
+        uses: Swatinem/rust-cache@23bce251a8cd2ffc3c1075eaa2367cf899916d84 # v2.7.3
         with:
           cache-on-failure: true
           cache-all-crates: true
 
-      - name: check
-        run: cargo check
+      - name: Cargo fmt
+        run: cargo +nightly fmt --all -- --check
 
-  test:
-    name: "test"
+      - if: "failure()"
+        uses: "andymckay/cancel-action@271cfbfa11ca9222f7be99a47e8f929574549e0a" # v0.4
+
+  machete:
+    name: Check unused dependencies
     runs-on: ubuntu-latest
     container:
       image: ${{ vars.CI_IMAGE }}
-      # options: --privileged
     steps:
-      - uses: actions/checkout@v3
+      - name: Checkout sources
+        uses: actions/checkout@v4
+
+      - name: Rust Cache
+        uses: Swatinem/rust-cache@23bce251a8cd2ffc3c1075eaa2367cf899916d84 # v2.7.3
+        with:
+          cache-on-failure: true
+          cache-all-crates: true
+
+      - name: Install cargo-machete
+        run: cargo install cargo-machete
+
+      - name: Check unused dependencies 
+        run: cargo machete
 
-      # - name: Install Rust stable toolchain
-      #   uses: actions-rs/[email protected]
-      #   with:
-      #     profile: minimal
-      #     toolchain: 1.75.0
-      #     override: true
+      - if: "failure()"
+        uses: "andymckay/cancel-action@271cfbfa11ca9222f7be99a47e8f929574549e0a" # v0.4
+
+  check:
+    name: Cargo check
+    runs-on: ubuntu-latest
+    container:
+      image: ${{ vars.CI_IMAGE }}
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@v4
 
       - name: Rust Cache
-        uses: Swatinem/rust-cache@v2.5.0
+        uses: Swatinem/rust-cache@23bce251a8cd2ffc3c1075eaa2367cf899916d84 # v2.7.3
         with:
           cache-on-failure: true
           cache-all-crates: true
 
-      - name: test
-        run: |
-          # sudo apt-get update && sudo apt-get install -y iproute2 protobuf-compiler
-          echo "Installing iproute2..."
-          apt-get update && apt-get install -y iproute2 iputils-ping
-          # ip a
-          # echo "Enabling loopback interface explicitly..."
-          # ip link set lo up
-          echo "Result"
-          ip a
-          ping -c 1 127.0.0.1
-          echo "Starting a simple HTTP server..."
-          python3 -m http.server --bind 127.0.0.1 8080 &
-          sleep 1
-          curl 127.0.0.1:8080
-          echo "Running tests..."
-          cargo test
+      - name: Cargo check
+        run: cargo check
+
+      - if: "failure()"
+        uses: "andymckay/cancel-action@271cfbfa11ca9222f7be99a47e8f929574549e0a" # v0.4
 
   doc:
-    name: "doc"
+    name: Check documentation
     runs-on: ubuntu-latest
     container:
       image: ${{ vars.CI_IMAGE }}
     steps:
-      - uses: actions/checkout@v3
+      - name: Checkout sources
+        uses: actions/checkout@v4
 
       - name: Rust Cache
-        uses: Swatinem/rust-cache@v2.5.0
+        uses: Swatinem/rust-cache@23bce251a8cd2ffc3c1075eaa2367cf899916d84 # v2.7.3
         with:
           cache-on-failure: true
           cache-all-crates: true
-      - name: doc
-        run: cargo doc
+      - name: Check documentation
+        run: RUSTDOCFLAGS="-D warnings -D rustdoc::broken_intra_doc_links" cargo doc --workspace --no-deps --document-private-items
+
+      - if: "failure()"
+        uses: "andymckay/cancel-action@271cfbfa11ca9222f7be99a47e8f929574549e0a" # v0.4
 
   clippy:
-    name: "clippy"
+    name: Cargo clippy
     runs-on: ubuntu-latest
     container:
       image: ${{ vars.CI_IMAGE }}
     steps:
-      - uses: actions/checkout@v3
+      - name: Checkout sources
+        uses: actions/checkout@v4
 
       - name: Rust Cache
-        uses: Swatinem/rust-cache@v2.5.0
+        uses: Swatinem/rust-cache@23bce251a8cd2ffc3c1075eaa2367cf899916d84 # v2.7.3
         with:
           cache-on-failure: true
           cache-all-crates: true
 
-      - name: clippy
+      - name: Run clippy
         continue-on-error: true
         run: cargo clippy
+
+      # TODO: Allow clippy to fail and do not cancel other tasks.
+      # Clippy is fixed by: https://github.com/paritytech/litep2p/pull/57.
+      #
+      # - if: "failure()"
+      #   uses: "andymckay/cancel-action@271cfbfa11ca9222f7be99a47e8f929574549e0a" # v0.4
+
+  test:
+    name: Test
+    runs-on: ubuntu-latest
+    timeout-minutes: 15
+    container:
+      image: ${{ vars.CI_IMAGE }}
+      options: --sysctl net.ipv6.conf.all.disable_ipv6=0
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@v4
+
+      - name: Rust Cache
+        uses: Swatinem/rust-cache@23bce251a8cd2ffc3c1075eaa2367cf899916d84 # v2.7.3
+        with:
+          cache-on-failure: true
+          cache-all-crates: true
+
+      - name: Run tests
+        run: cargo test
+
+      - if: "failure()"
+        uses: "andymckay/cancel-action@271cfbfa11ca9222f7be99a47e8f929574549e0a" # v0.4

Cargo.toml

@@ -15,7 +15,6 @@ bytes = "1.4.0"
 cid = "0.10.1"
 ed25519-dalek = "1.0.1"
 futures = "0.3.27"
-futures-rustls = "0.22.2"
 futures-timer = "3.0.2"
 hex-literal = "0.4.1"
 indexmap = { version = "2.0.0", features = ["std"] }
@@ -79,6 +78,7 @@ libp2p = { version = "0.51.3", features = [
     "quic",
 ]}
 quickcheck = "1.0.3"
+rand_xorshift = "0.3.0"
 sc-network = "0.28.0"
 sc-utils = "8.0.0"
 serde_json = "1.0.108"

rustfmt.toml

@@ -1,9 +1,20 @@
+# Basic
+edition = "2021"
+max_width = 100
+
+# Imports
+imports_granularity = "Crate"
 reorder_imports = true
+
+# Consistency
 newline_style = "Unix"
+
+# Misc
 chain_width = 80
 spaces_around_ranges = false
 match_arm_blocks = false
 trailing_comma = "Vertical"
-edition = "2021"
+
+# Format comments
 comment_width = 100
 wrap_comments = true

src/multistream_select/mod.rs

@@ -43,13 +43,12 @@
 //! echoing the same protocol) or reject (by responding with a message stating
 //! "not available"). If a suggested protocol is not available, the dialer may
 //! suggest another protocol. This process continues until a protocol is agreed upon,
-//! yielding a [`Negotiated`](self::Negotiated) stream, or the dialer has run out of
+//! yielding a [`Negotiated`] stream, or the dialer has run out of
 //! alternatives.
 //!
-//! See [`dialer_select_proto`](self::dialer_select_proto) and
-//! [`listener_select_proto`](self::listener_select_proto).
+//! See [`dialer_select_proto`] and [`listener_select_proto`].
 //!
-//! ## [`Negotiated`](self::Negotiated)
+//! ## [`Negotiated`]
 //!
 //! A `Negotiated` represents an I/O stream that has settled on a protocol
 //! to use. By default, with [`Version::V1`], protocol negotiation is always
@@ -58,16 +57,15 @@
 //! a variant [`Version::V1Lazy`] that permits 0-RTT negotiation if the
 //! dialer only supports a single protocol. In that case, when a dialer
 //! settles on a protocol to use, the [`DialerSelectFuture`] yields a
-//! [`Negotiated`](self::Negotiated) I/O stream before the negotiation
+//! [`Negotiated`] I/O stream before the negotiation
 //! data has been flushed. It is then expecting confirmation for that protocol
 //! as the first messages read from the stream. This behaviour allows the dialer
 //! to immediately send data relating to the negotiated protocol together with the
 //! remaining negotiation message(s). Note, however, that a dialer that performs
 //! multiple 0-RTT negotiations in sequence for different protocols layered on
 //! top of each other may trigger undesirable behaviour for a listener not
 //! supporting one of the intermediate protocols. See
-//! [`dialer_select_proto`](self::dialer_select_proto) and the documentation
-//! of [`Version::V1Lazy`] for further details.
+//! [`dialer_select_proto`] and the documentation of [`Version::V1Lazy`] for further details.
 
 #![cfg_attr(docsrs, feature(doc_cfg, doc_auto_cfg))]
 
@@ -77,14 +75,12 @@ mod listener_select;
 mod negotiated;
 mod protocol;
 
-pub use crate::multistream_select::dialer_select::{
-    dialer_select_proto, DialerSelectFuture, DialerState, HandshakeResult,
+pub use crate::multistream_select::{
+    dialer_select::{dialer_select_proto, DialerSelectFuture, DialerState, HandshakeResult},
+    listener_select::{listener_negotiate, listener_select_proto, ListenerSelectFuture},
+    negotiated::{Negotiated, NegotiatedComplete, NegotiationError},
+    protocol::{HeaderLine, Message, Protocol, ProtocolError},
 };
-pub use crate::multistream_select::listener_select::{
-    listener_negotiate, listener_select_proto, ListenerSelectFuture,
-};
-pub use crate::multistream_select::negotiated::{Negotiated, NegotiatedComplete, NegotiationError};
-pub use crate::multistream_select::protocol::{HeaderLine, Message, Protocol, ProtocolError};
 
 /// Supported multistream-select versions.
 #[derive(Clone, Copy, Debug, PartialEq, Eq)]

src/multistream_select/protocol.rs

@@ -25,8 +25,10 @@
 //! `Stream` and `Sink` implementations of `MessageIO` and
 //! `MessageReader`.
 
-use crate::multistream_select::length_delimited::{LengthDelimited, LengthDelimitedReader};
-use crate::multistream_select::Version;
+use crate::multistream_select::{
+    length_delimited::{LengthDelimited, LengthDelimitedReader},
+    Version,
+};
 
 use bytes::{BufMut, Bytes, BytesMut};
 use futures::{io::IoSlice, prelude::*, ready};

src/protocol/libp2p/kademlia/mod.rs

@@ -47,12 +47,10 @@ use tokio::sync::mpsc::{Receiver, Sender};
 
 use std::collections::{hash_map::Entry, HashMap};
 
-pub use {
-    config::{Config, ConfigBuilder},
-    handle::{KademliaEvent, KademliaHandle, Quorum, RoutingTableUpdateMode},
-    query::QueryId,
-    record::{Key as RecordKey, Record},
-};
+pub use config::{Config, ConfigBuilder};
+pub use handle::{KademliaEvent, KademliaHandle, Quorum, RoutingTableUpdateMode};
+pub use query::QueryId;
+pub use record::{Key as RecordKey, Record};
 
 /// Logging target for the file.
 const LOG_TARGET: &str = "litep2p::ipfs::kademlia";

src/protocol/libp2p/kademlia/routing_table.rs

@@ -189,8 +189,9 @@ impl RoutingTable {
 /// An iterator over the bucket indices, in the order determined by the `Distance` of a target from
 /// the `local_key`, such that the entries in the buckets are incrementally further away from the
 /// target, starting with the bucket covering the target.
-/// The original implementation is taken from `rust-libp2p`, see [1] for the explanation of the
-/// algorithm used.
+/// The original implementation is taken from `rust-libp2p`, see [issue#1117][1] for the explanation
+/// of the algorithm used.
+///
 ///  [1]: https://github.com/libp2p/rust-libp2p/pull/1117#issuecomment-494694635
 struct ClosestBucketsIter {
     /// The distance to the `local_key`.

src/protocol/libp2p/kademlia/types.rs

@@ -57,8 +57,8 @@ impl<T: Clone> Key<T> {
     /// Constructs a new `Key` by running the given value through a random
     /// oracle.
     ///
-    /// The preimage of type `T` is preserved. See [`Key::preimage`] and
-    /// [`Key::into_preimage`].
+    /// The preimage of type `T` is preserved.
+    /// See [`Key::into_preimage`] for more details.
     pub fn new(_preimage: T) -> Key<T>
     where
         T: Borrow<[u8]>,

src/protocol/notification/mod.rs

@@ -508,7 +508,7 @@ impl NotificationProtocol {
     /// substream is a result of a valid state transition.
     ///
     /// For the third case, if the nodes have opened substreams at the same time, the outbound state
-    /// must be [`OutbounState::OutboundInitiated`] to ascertain that the an outbound substream was
+    /// must be [`OutboundState::OutboundInitiated`] to ascertain that the an outbound substream was
     /// actually opened. Any other state would be a state mismatch and would mean that the
     /// connection is opening substreams without the permission of the protocol handler.
     async fn on_outbound_substream(

src/protocol/notification/types.rs

@@ -198,7 +198,7 @@ pub enum NotificationEvent {
     },
 }
 
-/// Notification commands sent by the [`NotificationService`] to the protocol.
+/// Notification commands sent to the protocol.
 pub(crate) enum NotificationCommand {
     /// Open substreams to one or more peers.
     OpenSubstream {

src/protocol/request_response/tests.rs

@@ -20,8 +20,7 @@
 
 use crate::{
     crypto::ed25519::Keypair,
-    mock::substream::DummySubstream,
-    mock::substream::MockSubstream,
+    mock::substream::{DummySubstream, MockSubstream},
     protocol::{
         request_response::{
             ConfigBuilder, DialOptions, RequestResponseError, RequestResponseEvent,