Add probing service

.github/workflows/audit.yml

@@ -19,8 +19,8 @@ jobs:
     runs-on: ${{ matrix.platform }}
     steps:
       - name: Checkout source code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v6
       - name: Run security audit
-        uses: rustsec/audit-check@v1.4.1
+        uses: rustsec/audit-check@v2
         with:
           token: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/benchmarks.yml

@@ -13,28 +13,28 @@ jobs:
       TOOLCHAIN: stable
     steps:
       - name: Checkout source code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v6
       - name: Install Rust toolchain
         run: |
           curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y --profile=minimal --default-toolchain stable
           rustup override set stable
       - name: Enable caching for bitcoind
         id: cache-bitcoind
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: bin/bitcoind-${{ runner.os }}-${{ runner.arch }}
-          key: bitcoind-${{ runner.os }}-${{ runner.arch }}
+          key: bitcoind-29.0-${{ runner.os }}-${{ runner.arch }}
       - name: Enable caching for electrs
         id: cache-electrs
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: bin/electrs-${{ runner.os }}-${{ runner.arch }}
           key: electrs-${{ runner.os }}-${{ runner.arch }}
       - name: Download bitcoind/electrs
         if: "(steps.cache-bitcoind.outputs.cache-hit != 'true' || steps.cache-electrs.outputs.cache-hit != 'true')"
         run: |
           source ./scripts/download_bitcoind_electrs.sh
-          mkdir bin
+          mkdir -p bin
           mv "$BITCOIND_EXE" bin/bitcoind-${{ runner.os }}-${{ runner.arch }}
           mv "$ELECTRS_EXE" bin/electrs-${{ runner.os }}-${{ runner.arch }}
       - name: Set bitcoind/electrs environment variables

.github/workflows/cln-integration.yml

@@ -11,15 +11,15 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Install dependencies
         run: |
           sudo apt-get update -y
           sudo apt-get install -y socat
 
       - name: Start bitcoind, electrs, and lightningd
-        run: docker compose -f docker-compose-cln.yml up -d
+        run: docker compose -p ldk-node -f tests/docker/docker-compose-cln.yml up -d
 
       - name: Forward lightningd RPC socket
         run: |

.github/workflows/cron-weekly-rustfmt.yml

@@ -13,7 +13,7 @@ jobs:
     name: Nightly rustfmt
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: dtolnay/rust-toolchain@nightly
         with:
           components: rustfmt
@@ -23,7 +23,7 @@ jobs:
       - name: Get the current date
         run: echo "date=$(date +'%Y-%m-%d')" >> $GITHUB_ENV
       - name: Create Pull Request
-        uses: peter-evans/create-pull-request@v7
+        uses: peter-evans/create-pull-request@v8
         with:
           author: Fmt Bot <bot@example.com>
           title: Automated nightly rustfmt (${{ env.date }})

.github/workflows/hrn-integration.yml

@@ -0,0 +1,45 @@
+name: CI Checks - HRN Integration Tests
+
+on: [push, pull_request]
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  build-and-test:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout source code
+        uses: actions/checkout@v3
+      - name: Install Rust stable toolchain
+        run: |
+          curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y --profile=minimal --default-toolchain stable
+      - name: Enable caching for bitcoind
+        id: cache-bitcoind
+        uses: actions/cache@v4
+        with:
+          path: bin/bitcoind-${{ runner.os }}-${{ runner.arch }}
+          key: bitcoind-29.0-${{ runner.os }}-${{ runner.arch }}
+      - name: Enable caching for electrs
+        id: cache-electrs
+        uses: actions/cache@v4
+        with:
+          path: bin/electrs-${{ runner.os }}-${{ runner.arch }}
+          key: electrs-${{ runner.os }}-${{ runner.arch }}
+      - name: Download bitcoind/electrs
+        if: "steps.cache-bitcoind.outputs.cache-hit != 'true' || steps.cache-electrs.outputs.cache-hit != 'true'"
+        run: |
+          source ./scripts/download_bitcoind_electrs.sh
+          mkdir -p bin
+          mv "$BITCOIND_EXE" bin/bitcoind-${{ runner.os }}-${{ runner.arch }}
+          mv "$ELECTRS_EXE" bin/electrs-${{ runner.os }}-${{ runner.arch }}
+      - name: Set bitcoind/electrs environment variables
+        run: |
+          echo "BITCOIND_EXE=$( pwd )/bin/bitcoind-${{ runner.os }}-${{ runner.arch }}" >> "$GITHUB_ENV"
+          echo "ELECTRS_EXE=$( pwd )/bin/electrs-${{ runner.os }}-${{ runner.arch }}" >> "$GITHUB_ENV"
+      - name: Run HRN Integration Tests
+        run: |
+          RUSTFLAGS="--cfg no_download --cfg hrn_tests $RUSTFLAGS" cargo test --test integration_tests_hrn
+          RUSTFLAGS="--cfg no_download --cfg hrn_tests $RUSTFLAGS" cargo test --test integration_tests_hrn --features uniffi

.github/workflows/kotlin.yml

@@ -16,10 +16,10 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Set up JDK
-        uses: actions/setup-java@v3
+        uses: actions/setup-java@v5
         with:
           distribution: temurin
           java-version: 11

.github/workflows/lnd-integration.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Check and install CMake if needed
         # lnd_grpc_rust (via prost-build v0.10.4) requires CMake >= 3.5 but is incompatible with CMake >= 4.0.
@@ -37,7 +37,7 @@ jobs:
         run: echo "LND_DATA_DIR=$(mktemp -d)" >> $GITHUB_ENV
 
       - name: Start bitcoind, electrs, and LND
-        run: docker compose -f docker-compose-lnd.yml up -d
+        run: docker compose -p ldk-node -f tests/docker/docker-compose-lnd.yml up -d
         env:
           LND_DATA_DIR: ${{ env.LND_DATA_DIR }}
 

.github/workflows/python.yml

@@ -15,23 +15,17 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
-      - name: Setup Python
-        uses: actions/setup-python@v4
-        with:
-          python-version: '3.10'
+      - name: Install uv
+        uses: astral-sh/setup-uv@v7
 
       - name: Generate Python bindings
         run: ./scripts/uniffi_bindgen_generate_python.sh
 
       - name: Start bitcoind and electrs
         run: docker compose up -d
 
-      - name: Install testing prerequisites
-        run: |
-          pip3 install requests
-
       - name: Run Python unit tests
         env:
           BITCOIN_CLI_BIN: "docker exec ldk-node-bitcoin-1 bitcoin-cli"
@@ -40,4 +34,4 @@ jobs:
           ESPLORA_ENDPOINT: "http://127.0.0.1:3002"
         run: |
           cd $LDK_NODE_PYTHON_DIR
-          python3 -m unittest discover -s src/ldk_node
+          uv run --group dev python -m unittest discover -s src/ldk_node

.github/workflows/rust.yml

@@ -34,33 +34,37 @@ jobs:
     runs-on: ${{ matrix.platform }}
     steps:
       - name: Checkout source code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v6
       - name: Install Rust ${{ matrix.toolchain }} toolchain
         run: |
           curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y --profile=minimal --default-toolchain ${{ matrix.toolchain }}
       - name: Check formatting on Rust ${{ matrix.toolchain }}
         if: matrix.check-fmt
         run: rustup component add rustfmt && cargo fmt --all -- --check
+      - name: Pin packages to allow for MSRV
+        if: matrix.msrv
+        run: |
+          cargo update -p idna_adapter --precise "1.2.0" --verbose # idna_adapter 1.2.1 uses ICU4X 2.2.0, requiring 1.86 and newer
       - name: Set RUSTFLAGS to deny warnings
         if: "matrix.toolchain == 'stable'"
         run: echo "RUSTFLAGS=-D warnings" >> "$GITHUB_ENV"
       - name: Enable caching for bitcoind
         id: cache-bitcoind
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: bin/bitcoind-${{ runner.os }}-${{ runner.arch }}
-          key: bitcoind-${{ runner.os }}-${{ runner.arch }}
+          key: bitcoind-29.0-${{ runner.os }}-${{ runner.arch }}
       - name: Enable caching for electrs
         id: cache-electrs
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: bin/electrs-${{ runner.os }}-${{ runner.arch }}
           key: electrs-${{ runner.os }}-${{ runner.arch }}
       - name: Download bitcoind/electrs
         if: "matrix.platform != 'windows-latest' && (steps.cache-bitcoind.outputs.cache-hit != 'true' || steps.cache-electrs.outputs.cache-hit != 'true')"
         run: |
           source ./scripts/download_bitcoind_electrs.sh
-          mkdir bin
+          mkdir -p bin
           mv "$BITCOIND_EXE" bin/bitcoind-${{ runner.os }}-${{ runner.arch }}
           mv "$ELECTRS_EXE" bin/electrs-${{ runner.os }}-${{ runner.arch }}
       - name: Set bitcoind/electrs environment variables
@@ -86,6 +90,21 @@ jobs:
         run: |
           RUSTFLAGS="--cfg no_download --cfg cycle_tests" cargo test --features uniffi
 
+  linting:
+    name: Linting
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout source code
+        uses: actions/checkout@v6
+      - name: Install Rust and clippy
+        run: |
+          curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y --profile=minimal --default-toolchain stable
+          rustup component add clippy
+      - name: Ban `unwrap` in library code
+        run: |
+          cargo clippy --lib --verbose --color always -- -A warnings -D clippy::unwrap_used -A clippy::tabs_in_doc_comments
+          cargo clippy --lib --features uniffi --verbose --color always -- -A warnings -D clippy::unwrap_used -A clippy::tabs_in_doc_comments
+
   doc:
     name: Documentation
     runs-on: ubuntu-latest
@@ -95,4 +114,4 @@ jobs:
       - uses: actions/checkout@v6
       - uses: dtolnay/rust-toolchain@nightly
       - uses: dtolnay/install@cargo-docs-rs
-      - run: cargo docs-rs
+      - run: cargo docs-rs

.github/workflows/semver.yml

@@ -6,6 +6,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout source code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       - name: Check SemVer
         uses: obi1kenobi/cargo-semver-checks-action@v2

.github/workflows/swift.yml

@@ -12,7 +12,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Set default Rust version to stable
         run: rustup default stable

.github/workflows/vss-integration.yml

@@ -27,11 +27,11 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v6
         with:
           path: ldk-node
       - name: Checkout VSS
-        uses: actions/checkout@v3
+        uses: actions/checkout@v6
         with:
           repository: lightningdevkit/vss-server
           path: vss-server

.github/workflows/vss-no-auth-integration.yml

@@ -27,11 +27,11 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v6
         with:
           path: ldk-node
       - name: Checkout VSS
-        uses: actions/checkout@v3
+        uses: actions/checkout@v6
         with:
           repository: lightningdevkit/vss-server
           path: vss-server