ci: separate lint and coverage runs

.github/workflows/build.yml

@@ -12,7 +12,7 @@ permissions:
 
 jobs:
   build:
-    name: Build with rust ${{matrix.rust}} on ${{matrix.os == 'ubuntu' && 'Linux' || matrix.os == 'macos' && 'macOS' || matrix.os == 'windows' && 'Windows' || '???'}}
+    name: Test with rust ${{matrix.rust}} on ${{matrix.os == 'ubuntu' && 'Linux' || matrix.os == 'macos' && 'macOS' || matrix.os == 'windows' && 'Windows' || '???'}}
     runs-on: ${{matrix.os}}-latest
     strategy:
       fail-fast: false
@@ -37,16 +37,16 @@ jobs:
         # The node doesn't seem to enjoy us sending a lot of requests concurrently.
         run: cargo test --all-features -- --test-threads=1
 
-  test:
-    name: Test
+  lint:
+    name: Lint
     runs-on: ubuntu-latest
-    timeout-minutes: 30
     steps:
       - uses: actions/checkout@v4
         with:
           persist-credentials: false
 
       - uses: actions/setup-python@v5
+
       - name: Install nightly toolchain
         uses: actions-rust-lang/setup-rust-toolchain@v1
         with:
@@ -59,22 +59,32 @@ jobs:
 
       - uses: taiki-e/install-action@v2      # zizmor: ignore[ref-confusion]
         with:
-          tool: cargo-tarpaulin,cargo-rdme
+          tool: cargo-rdme
 
       - name: Check README is up-to-date
-        run: cargo +nightly rdme --check
+        run: cargo rdme --check
+
+  coverage:
+    name: Coverage
+    runs-on: ubuntu-latest
+    timeout-minutes: 30
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
+
+      - name: Install nightly toolchain
+        uses: actions-rust-lang/setup-rust-toolchain@v1
+        with:
+          toolchain: nightly
+
+      - uses: taiki-e/install-action@v2      # zizmor: ignore[ref-confusion]
+        with:
+          tool: cargo-tarpaulin
 
       - name: Run tests with coverage
         run: RUST_BACKTRACE=1 cargo +nightly tarpaulin --out Xml --all-features --doc --tests
 
-      - name: Submit several transactions to chain
-        run: |
-          RUST_BACKTRACE=1 cargo +nightly run --example transaction_broadcast --all-features
-          RUST_BACKTRACE=1 cargo +nightly run --example contract_interaction --all-features
-        env:
-          TEST_TO_ADDRESS: ${{ secrets.TO_ADDRESS }}
-          TEST_MNEMONIC: ${{ secrets.MNEMONIC }}
-
       - name: Upload coverage reports to Codecov
         uses: codecov/codecov-action@v5
         env:
@@ -84,3 +94,25 @@ jobs:
         with:
           name: code-coverage-report
           path: cobertura.xml
+
+  test-onchain:
+    name: Run chain-modifying examples
+    runs-on: ubuntu-latest
+    needs: [coverage, build, lint]
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
+
+      - name: Install nightly toolchain
+        uses: actions-rust-lang/setup-rust-toolchain@v1
+        with:
+          toolchain: stable
+
+      - name: Submit several transactions to chain
+        run: |
+          RUST_BACKTRACE=1 cargo run --example transaction_broadcast --all-features
+          RUST_BACKTRACE=1 cargo run --example contract_interaction --all-features
+        env:
+          TEST_TO_ADDRESS: ${{ secrets.TO_ADDRESS }}
+          TEST_MNEMONIC: ${{ secrets.MNEMONIC }}