name: Continuous Integration Checks

on: [push, pull_request]

jobs:
  check_bindings:
    runs-on: ubuntu-latest
    # Ubuntu's version of rustc uses its own LLVM instead of being a real native package.
    # This leaves us with an incompatible LLVM version when linking. Instead, use a real OS.
    container: debian:bullseye
    env:
      TOOLCHAIN: stable
    steps:
      - name: Install native Rust toolchain, Valgrind, and build utilitis
        run: |
          apt-get update
          apt-get -y dist-upgrade
          apt-get -y install cargo libstd-rust-dev-wasm32 valgrind lld git g++ clang openjdk-11-jdk maven
      - name: Checkout source code
        uses: actions/checkout@v2
        with:
          fetch-depth: 0
      - name: Install cbindgen
        run: cargo install --force cbindgen
      - name: Checkout Rust-Lightning and LDK-C-Bindings git
        run: |
          git config --global user.email "ldk-ci@example.com"
          git config --global user.name "LDK CI"
          git clone https://github.com/rust-bitcoin/rust-lightning
          cd rust-lightning
          git remote add matt https://git.bitcoin.ninja/rust-lightning
          git fetch matt
          git merge matt/2021-03-java-bindings-base
          cd ..
          git clone https://github.com/lightningdevkit/ldk-c-bindings
      - name: Rebuild C bindings without STD for WASM
        run: |
          cd ldk-c-bindings
          ./genbindings.sh ../rust-lightning false
          mv lightning-c-bindings/target/wasm32-wasi ./
          cd ..
      - name: Rebuild C bindings, and check the sample app builds + links
        run: |
          cd ldk-c-bindings
          # Reset the Cargo.toml file so that git describe doesn't think we're "-dirty"
          git checkout lightning-c-bindings/Cargo.toml
          ./genbindings.sh ../rust-lightning true
          mv wasm32-wasi lightning-c-bindings/target/
          cd ..
      - name: Build Java/TS Debug Bindings
        run: ./genbindings.sh ./ldk-c-bindings/ "-I/usr/lib/jvm/java-11-openjdk-amd64/include/ -I/usr/lib/jvm/java-11-openjdk-amd64/include/linux/" true false
      - name: Run Java Tests against Debug Bindings
        run: |
          mv liblightningjni_debug_Linux-amd64.so liblightningjni.so
          export ASAN_OPTIONS=detect_leaks=0
          LD_PRELOAD=/usr/lib/llvm-11/lib/clang/11.0.1/lib/linux/libclang_rt.asan-x86_64.so LD_LIBRARY_PATH=. mvn test
      - name: Build Java/TS Release Bindings
        run: |
          # We assume the top commit is just a bindings update commit, so we
          # check out the previous commit to use as the commit we git describe.
          # If the top commit is a merge commit, we need to get the last merge
          # head and assume the latest bindings are built against its parent.
          COMMIT_PARENTS=$(git show -s --pretty=format:%P HEAD)
          if [ "${#COMMIT_PARENTS}" = 40 ]; then
            export LDK_GARBAGECOLLECTED_GIT_OVERRIDE="$(git describe --tag HEAD^1)"
          else
            MERGE_HEAD=$(git show --pretty=format:%P HEAD | ( for last in $(cat /dev/stdin); do true; done; echo $last ))
            export LDK_GARBAGECOLLECTED_GIT_OVERRIDE="$(git describe --tag $MERGE_HEAD^1)"
          fi
          echo "Using $LDK_GARBAGECOLLECTED_GIT_OVERRIDE as git version"
          ./genbindings.sh ./ldk-c-bindings/ "-I/usr/lib/jvm/java-11-openjdk-amd64/include/ -I/usr/lib/jvm/java-11-openjdk-amd64/include/linux/" false false
      - name: Check latest headers and release lib are in git
        run: |
          git diff --exit-code
      - name: Run Java Tests against built release jar
        run: |
          mvn -DskipTests=true package
          mvn install:install-file -Dfile=target/ldk-java-1.0-SNAPSHOT.jar -DgroupId=org.ldk -DartifactId=ldk-java -Dversion=1.0-SNAPSHOT -Dpackaging=jar
          cd javatester
          mvn package
          java -ea -jar target/ldk-java-tests-1.0-SNAPSHOT-jar-with-dependencies.jar
          cd ..

  osx:
    strategy:
      matrix:
        include:
          - platform: macos-10.15
          # MacOS 11 is currently in private preview, we've applied for access
          # - platform: macos-11
    runs-on: ${{ matrix.platform }}
    env:
      TOOLCHAIN: stable
    steps:
      - name: Install other Rust platforms
        run: rustup target install aarch64-apple-darwin
      - name: Fetch upstream LLVM/clang snapshot
        run: |
          wget -O clang+llvm-12.0.0-x86_64-apple-darwin.tar.xz https://github.com/llvm/llvm-project/releases/download/llvmorg-12.0.0/clang+llvm-12.0.0-x86_64-apple-darwin.tar.xz
          if [ "$(shasum -a 256 clang+llvm-12.0.0-x86_64-apple-darwin.tar.xz | awk '{ print $1 }')" != "7bc2259bf75c003f644882460fc8e844ddb23b27236fe43a2787870a4cd8ab50" ]; then
            echo "Bad hash"
            exit 1
          fi
      - name: Unpack upstream LLVM+clang and use it by default
        run: |
          tar xvvf clang+llvm-12.0.0-x86_64-apple-darwin.tar.xz
      - name: Checkout source code
        uses: actions/checkout@v2
        with:
          fetch-depth: 0
      - name: Install cbindgen
        run: cargo install --force cbindgen
      - name: Checkout Rust-Lightning and LDK-C-Bindings git
        run: |
          git config --global user.email "ldk-ci@example.com"
          git config --global user.name "LDK CI"
          git clone https://github.com/rust-bitcoin/rust-lightning
          cd rust-lightning
          git remote add matt https://git.bitcoin.ninja/rust-lightning
          git fetch matt
          git merge matt/2021-03-java-bindings-base
          cd ..
          git clone https://github.com/lightningdevkit/ldk-c-bindings
      - name: Rebuild C bindings with upstream clang, and check the sample app builds + links
        run: |
          cd ldk-c-bindings
          export PATH=`pwd`/clang+llvm-12.0.0-x86_64-apple-darwin/bin:$PATH
          CC=clang ./genbindings.sh ../rust-lightning true
          cd ..
      - name: Fetch OpenJDK 16
        run: |
          wget -O openjdk-16.0.1_osx-x64_bin.tar.gz https://download.java.net/java/GA/jdk16.0.1/7147401fd7354114ac51ef3e1328291f/9/GPL/openjdk-16.0.1_osx-x64_bin.tar.gz
          if [ "$(shasum -a 256 openjdk-16.0.1_osx-x64_bin.tar.gz | awk '{ print $1 }')" != "6098f839954439d4916444757c542c1b8778a32461706812d41cc8bbefce7f2f" ]; then
            echo "Bad hash"
            exit 1
          fi
          tar xvvf openjdk-16.0.1_osx-x64_bin.tar.gz
          export JAVA_HOME=`pwd`/jdk-16.0.1.jdk/Contents/Home
          export PATH=$JAVA_HOME/bin:$PATH
      - name: Build Java/TS Release Bindings
        run: |
          # We assume the top commit is just a bindings update commit, so we
          # check out the previous commit to use as the commit we git describe.
          # If the top commit is a merge commit, we need to get the last merge
          # head and assume the latest bindings are built against its parent.
          COMMIT_PARENTS=$(git show -s --pretty=format:%P HEAD)
          if [ "${#COMMIT_PARENTS}" = 40 ]; then
            export LDK_GARBAGECOLLECTED_GIT_OVERRIDE="$(git describe --tag HEAD^1)"
          else
            MERGE_HEAD=$(git show --pretty=format:%P HEAD | ( for last in $(cat /dev/stdin); do true; done; echo $last ))
            export LDK_GARBAGECOLLECTED_GIT_OVERRIDE="$(git describe --tag $MERGE_HEAD^1)"
          fi
          echo "Using $LDK_GARBAGECOLLECTED_GIT_OVERRIDE as git version"
          # genbindings.sh always fails as there is no wasm32-wasi library
          # available, so instead we delete the expected JNI library and check
          # that it was created.
          rm src/main/resources/liblightningjni_MacOSX-x86_64.nativelib
          ./genbindings.sh ./ldk-c-bindings/ "-I$JAVA_HOME/include/ -I$JAVA_HOME/include/darwin -isysroot$(xcrun --show-sdk-path)" false false || echo
          cat src/main/resources/liblightningjni_MacOSX-x86_64.nativelib > /dev/null
      - name: Fetch Maven 3.8.1
        run: |
          wget -O apache-maven-3.8.1-bin.tar.gz https://apache.osuosl.org/maven/maven-3/3.8.1/binaries/apache-maven-3.8.1-bin.tar.gz
          if [ "$(shasum -a 256 apache-maven-3.8.1-bin.tar.gz | awk '{ print $1 }')" != "b98a1905eb554d07427b2e5509ff09bd53e2f1dd7a0afa38384968b113abef02" ]; then
            echo "Bad hash"
            exit 1
          fi
          tar xvvf apache-maven-3.8.1-bin.tar.gz
          export PATH=apache-maven-3.8.1/bin:$PATH
      - name: Run Java Tests against built jar
        run: |
          mvn -DskipTests=true package
          mvn install:install-file -Dfile=target/ldk-java-1.0-SNAPSHOT.jar -DgroupId=org.ldk -DartifactId=ldk-java -Dversion=1.0-SNAPSHOT -Dpackaging=jar
          cd javatester
          mvn package
          java -ea -jar target/ldk-java-tests-1.0-SNAPSHOT-jar-with-dependencies.jar
          cd ..
      - name: Check latest headers and release lib are in git
        run: |
          if [ "${{ matrix.platform }}" = "macos-11" ]; then
            git diff --exit-code
          fi