Merge pull request #51 from zcash/update-ci

Update Actions CI with improved workflow

.github/workflows/ci.yml

@@ -3,41 +3,7 @@ name: CI checks
 on: [push, pull_request]
 
 jobs:
-  
-  lint:
-    name: Lint
-    runs-on: ubuntu-latest
-
-    steps:
-      - uses: actions/checkout@v1
-      - uses: actions-rs/toolchain@v1
-        with:
-          toolchain: 1.45.2
-          override: true
-
-      # Build the code before running cargo fmt
-      - name: cargo build
-        uses: actions-rs/cargo@v1
-        with:
-          command: build
-          args: --all
-
-      # Ensure all code has been formatted with rustfmt
-      - run: rustup component add rustfmt
-      - name: Check formatting
-        uses: actions-rs/cargo@v1
-        with:
-          command: fmt
-          args: --all -- --check --color always
-
-      # Build benchmarks to prevent bitrot
-      - name: Build benchmarks
-        uses: actions-rs/cargo@v1
-        with:
-          command: build
-          args: --all --benches
-
-  build_and_test:
+  test:
     name: Test on ${{ matrix.os }}
     runs-on: ${{ matrix.os }}
     strategy:
@@ -47,18 +13,135 @@ jobs:
         os: [ubuntu-latest]
 
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v2
       - uses: actions-rs/toolchain@v1
         with:
           toolchain: 1.45.2
           override: true
-      - name: Build tests
-        uses: actions-rs/cargo@v1
-        with:
-          command: build
-          args: --verbose --release --all --tests --all-features
       - name: Run tests
         uses: actions-rs/cargo@v1
         with:
           command: test
-          args: --verbose --release --all
+          args: --verbose --release --all --all-features
+
+  bitrot:
+    name: Bitrot check
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions-rs/toolchain@v1
+        with:
+          toolchain: 1.45.2
+          override: true
+      # Build benchmarks to prevent bitrot
+      - name: Build benchmarks
+        uses: actions-rs/cargo@v1
+        with:
+          command: build
+          args: --all --benches --all-features
+
+  clippy:
+    name: Clippy (1.45.2)
+    timeout-minutes: 30
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions-rs/toolchain@v1
+        with:
+          toolchain: 1.45.2
+          components: clippy
+          override: true
+      - name: Run clippy
+        uses: actions-rs/clippy-check@v1
+        with:
+          name: Clippy (1.45.2)
+          token: ${{ secrets.GITHUB_TOKEN }}
+          args: --all-features --all-targets -- -D warnings
+
+  clippy-nightly:
+    name: Clippy (nightly)
+    timeout-minutes: 30
+    runs-on: ubuntu-latest
+    continue-on-error: true
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions-rs/toolchain@v1
+        with:
+          toolchain: nightly
+          components: clippy
+          override: true
+      - name: Run Clippy (nightly)
+        uses: actions-rs/clippy-check@v1
+        continue-on-error: true
+        with:
+          name: Clippy (nightly)
+          token: ${{ secrets.GITHUB_TOKEN }}
+          args: --all-features --all-targets -- -W clippy::all
+
+  codecov:
+    name: Code coverage
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+      # Use stable for this to ensure that cargo-tarpaulin can be built.
+      - uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+          override: true
+      - name: Install cargo-tarpaulin
+        uses: actions-rs/cargo@v1
+        with:
+          command: install
+          args: cargo-tarpaulin
+      - name: Generate coverage report
+        uses: actions-rs/cargo@v1
+        with:
+          command: tarpaulin
+          args: --all-features --timeout 600 --out Xml
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@v1
+        with:
+          token: ${{secrets.CODECOV_TOKEN}}
+
+  doc-links:
+    name: Intra-doc links
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions-rs/toolchain@v1
+        with:
+          toolchain: nightly
+          override: true
+      - name: cargo fetch
+        uses: actions-rs/cargo@v1
+        with:
+          command: fetch
+
+      # Ensure intra-documentation links all resolve correctly
+      # Requires #![deny(intra_doc_link_resolution_failure)] in crates.
+      - name: Check intra-doc links
+        uses: actions-rs/cargo@v1
+        with:
+          command: doc
+          args: --all --document-private-items
+
+  fmt:
+    name: Rustfmt
+    timeout-minutes: 30
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+          override: true
+      - run: rustup component add rustfmt
+      - uses: actions-rs/cargo@v1
+        with:
+          command: fmt
+          args: --all -- --check

src/plonk/prover.rs

@@ -521,7 +521,7 @@ impl<C: CurveAffine> Proof<C> {
             {
                 instances.push(ProverQuery {
                     point: x_3,
-                    poly: poly,
+                    poly,
                     blind: *blind,
                     eval: *eval,
                 });
@@ -536,7 +536,7 @@ impl<C: CurveAffine> Proof<C> {
             {
                 instances.push(ProverQuery {
                     point: x_3,
-                    poly: poly,
+                    poly,
                     blind: Blind::default(),
                     eval: *eval,
                 });
@@ -551,7 +551,7 @@ impl<C: CurveAffine> Proof<C> {
             {
                 instances.push(ProverQuery {
                     point: x_3_inv,
-                    poly: poly,
+                    poly,
                     blind: *blind,
                     eval: *eval,
                 });

src/plonk/verifier.rs

@@ -281,7 +281,7 @@ impl<'a, C: CurveAffine> Proof<C> {
             .chain(
                 self.permutation_product_evals
                     .iter()
-                    .map(|product_eval| l_0 * &(C::Scalar::one() - &product_eval)),
+                    .map(|product_eval| l_0 * &(C::Scalar::one() - product_eval)),
             )
             // z(X) \prod (p(X) + \beta s_i(X) + \gamma)
             // - z(omega^{-1} X) \prod (p(X) + \delta^i \beta X + \gamma)

src/poly/commitment/msm.rs

@@ -55,7 +55,7 @@ impl<'a, C: CurveAffine> MSM<'a, C> {
         assert_eq!(scalars.len(), self.params.n as usize);
         if let Some(g_scalars) = &mut self.g_scalars {
             for (g_scalar, scalar) in g_scalars.iter_mut().zip(scalars.iter()) {
-                *g_scalar += &scalar;
+                *g_scalar += scalar;
             }
         } else {
             self.g_scalars = Some(scalars.to_vec());

src/poly/multiopen/verifier.rs

@@ -101,7 +101,7 @@ impl<C: CurveAffine> Proof<C> {
                     let r_poly = lagrange_interpolate(points, evals);
                     let r_eval = eval_polynomial(&r_poly, x_6);
                     let eval = points.iter().fold(*proof_eval - &r_eval, |eval, point| {
-                        eval * &(x_6 - &point).invert().unwrap()
+                        eval * &(x_6 - point).invert().unwrap()
                     });
                     msm_eval * &x_5 + &eval
                 },
@@ -119,7 +119,7 @@ impl<C: CurveAffine> Proof<C> {
             |(mut commitment_msm, msm_eval), (q_commitment, q_eval)| {
                 commitment_msm.scale(x_7);
                 commitment_msm.add_msm(&q_commitment);
-                (commitment_msm, msm_eval * &x_7 + &q_eval)
+                (commitment_msm, msm_eval * &x_7 + q_eval)
             },
         );