CI for producing blocks

.github/workflows/ci.yml

@@ -12,7 +12,7 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
-  ci:
+  build:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
@@ -68,14 +68,56 @@ jobs:
         run: SKIP_WASM_BUILD=1 cargo doc --workspace --no-deps
         timeout-minutes: 15
 
-     # This is mentioned as example in the README:
-      - name: Build the node individually in release mode
+  run-node:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest]
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Rust compilation prerequisites (Ubuntu)
+        if: contains(matrix.os, 'ubuntu')
         run: |
-          # Save some space from debug builds
-          rm -rf ./target
-          cargo build --package minimal-template-node --release
+          sudo apt update
+          sudo apt install -y \
+            protobuf-compiler
+          rustup target add wasm32-unknown-unknown
+          rustup component add rustfmt clippy rust-src
+
+      - name: Install Cargo (MacOS)
+        if: contains(matrix.os, 'macos')
+        run: |
+          curl https://sh.rustup.rs -sSf -y | sh
+          brew install protobuf
+          rustup target add wasm32-unknown-unknown --toolchain stable-aarch64-apple-darwin
+          rustup component add rust-src --toolchain stable-aarch64-apple-darwin
+
+      # We've run into out-of-disk error when compiling Polkadot in the next step, so we free up some space this way.
+      - name: Free Disk Space (Ubuntu)
+        if: contains(matrix.os, 'ubuntu')
+        uses: jlumbroso/free-disk-space@54081f138730dfa15788a46383842cd2f914a1be # 1.3.1
+        with:
+          android: true # This alone is a 12 GB save.
+          # We disable the rest because it caused some problems. (they're enabled by default)
+          # The Android removal is enough.
+          dotnet: false
+          haskell: false
+          large-packages: false
+          swap-storage: false
+
+      - name: Build the node individually in release mode
+        run: cargo build --package minimal-template-node --release
         timeout-minutes: 90
 
+      - name: Make sure the node is producing blocks
+        run: |
+          ./target/release/minimal-template-node --dev 2>&1 | tee out.txt &
+          until curl -s '127.0.0.1:9944'; do sleep 5; done
+          until cat out.txt | grep -s "Imported #2"; do sleep 5; done
+        shell: bash
+        timeout-minutes: 5
+
   build-docker:
     runs-on: ubuntu-latest
     steps: