ldk-node 0.7.0

A ready-to-go node implementation built using LDK.
Documentation 
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name: CI Checks - LND Integration Tests

on: [push, pull_request]

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  check-lnd:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - 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.
        # This step checks if CMake is missing, below 3.5, or 4.0 or higher, and installs CMake 3.31.6 if needed,
        # ensuring compatibility with prost-build in ubuntu-latest.
        run: |
          if ! command -v cmake &> /dev/null ||
             [ "$(cmake --version | head -n1 | cut -d' ' -f3)" \< "3.5" ] ||
             [ "$(cmake --version | head -n1 | cut -d' ' -f3)" \> "4.0" ]; then
            sudo apt-get update
            sudo apt-get remove -y cmake
            wget https://github.com/Kitware/CMake/releases/download/v3.31.6/cmake-3.31.6-Linux-x86_64.sh
            echo "518c76bd18cc4ca5faab891db69b1289dc1bf134f394f0983a19576711b95210  cmake-3.31.6-Linux-x86_64.sh" | sha256sum -c - || {
              echo "Error: The checksum of the downloaded file does not match the expected value!"
              exit 1
            }
            chmod +x cmake-3.31.6-Linux-x86_64.sh
            sudo ./cmake-3.31.6-Linux-x86_64.sh --prefix=/usr/local --skip-license
          fi

      - name: Create temporary directory for LND data
        id: create-temp-dir
        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
        env:
          LND_DATA_DIR: ${{ env.LND_DATA_DIR }}

      - name: Set permissions for LND data directory
        # In PR 4622 (https://github.com/lightningnetwork/lnd/pull/4622),
        # LND sets file permissions to 0700, preventing test code from accessing them.
        # This step ensures the test suite has the necessary permissions.
        run: sudo chmod -R 755 $LND_DATA_DIR
        env:
          LND_DATA_DIR: ${{ env.LND_DATA_DIR }}

      - name: Run LND integration tests
        run: LND_CERT_PATH=$LND_DATA_DIR/tls.cert LND_MACAROON_PATH=$LND_DATA_DIR/data/chain/bitcoin/regtest/admin.macaroon
          RUSTFLAGS="--cfg lnd_test" cargo test --test integration_tests_lnd -- --exact --show-output
        env:
          LND_DATA_DIR: ${{ env.LND_DATA_DIR }}