github action

.github/workflows/build-release-binaries.yaml

@@ -0,0 +1,40 @@
+name: Build and Attach Binaries to Release
+
+on:
+  release:
+    types:
+      - created
+
+jobs:
+  build_and_upload:
+    strategy:
+      matrix:
+        platform: 
+          - { os: ubuntu-latest, target: x86_64-unknown-linux-gnu }
+          - { os: macos-latest, target: x86_64-apple-darwin }
+
+    runs-on: ${{ matrix.platform.os }}
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v2
+
+    - name: Setup Rust
+      uses: actions-rs/toolchain@v1
+      with:
+        profile: minimal
+        toolchain: stable
+        override: true
+
+    - name: Build Rust project
+      run: cargo build --release --target ${{ matrix.platform.target }}
+
+    - name: Upload Binary to Release
+      uses: actions/upload-release-asset@v1
+      with:
+        upload_url: ${{ github.event.release.upload_url }}
+        asset_path: ./target/${{ matrix.platform.target }}/release/try-runtime
+        asset_name: try-runtime-${{ matrix.platform.target }}
+        asset_content_type: application/octet-stream
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}