Set up CI for repo

.github/dependabot.yml

@@ -0,0 +1,8 @@
+version: 2
+updates:
+  - package-ecosystem: github-actions
+    directory: "/"
+    schedule:
+      interval: daily
+      timezone: Etc/UTC
+    open-pull-requests-limit: 10

.github/workflows/lints.yml

@@ -0,0 +1,61 @@
+name: Lints
+
+# We only run these lints on trial-merges of PRs to reduce noise.
+on: pull_request
+
+jobs:
+  clippy:
+    name: Clippy
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Clippy check
+        uses: auguwu/[email protected]
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          all-features: true
+          deny: warnings
+
+  doc-links:
+    name: Intra-doc links
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - run: cargo fetch
+      # Requires #![deny(rustdoc::broken_intra_doc_links)] in crates.
+      - name: Check intra-doc links
+        run: cargo doc --workspace --all-features --document-private-items
+
+  fmt:
+    name: Rustfmt
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Check formatting
+        run: cargo fmt --all --check
+
+  hacspec:
+    name: hacspec syntax
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: DeterminateSystems/nix-installer-action@main
+      - uses: DeterminateSystems/magic-nix-cache-action@main
+      - name: Install hax
+        run: nix profile install github:hacspec/hax
+
+      - name: Check syntax
+        run: cargo hax json
+        working-directory: ./plonkish-relation
+
+      - name: Check compilation to Coq
+        run: cargo hax into coq
+        working-directory: ./plonkish-relation
+
+      - name: Check compilation to Easycrypt
+        run: cargo hax into easycrypt
+        working-directory: ./plonkish-relation
+
+      - name: Check compilation to F*
+        run: cargo hax into fstar
+        working-directory: ./plonkish-relation

.github/workflows/tests.yml

@@ -0,0 +1,19 @@
+name: Tests
+
+on: [push, pull_request]
+
+jobs:
+  test:
+    name: Run on ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest, macOS-latest]
+
+    steps:
+      - uses: actions/checkout@v3
+      - run: cargo fetch
+      - name: Build tests
+        run: cargo build --workspace --verbose --all-features --tests
+      - name: Run tests
+        run: cargo test --workspace --verbose --all-features

plonkish-encoding/Cargo.toml

@@ -7,3 +7,6 @@ description = "An encoding format for PLONKish arithmetic circuits"
 license.workspace = true
 
 [dependencies]
+
+[dev-dependencies]
+plonkish-relation = { path = "../plonkish-relation" }

plonkish-encoding/src/lib.rs

@@ -1 +1 @@
-
+#![deny(rustdoc::broken_intra_doc_links)]

plonkish-relation/src/lib.rs

@@ -1 +1 @@
-
+#![deny(rustdoc::broken_intra_doc_links)]

rust-toolchain.toml

@@ -0,0 +1,3 @@
+[toolchain]
+channel = "stable"
+components = ["clippy", "rustfmt"]