feat: add CI (#5)

.github/workflows/test.yml

@@ -0,0 +1,43 @@
+name: Zig Build and Test
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  zig-build-test:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout Repository
+        uses: actions/checkout@v3
+        with:
+          submodules: recursive # Ensures submodules are cloned
+          fetch-depth: 0        # Fetches the entire history for all branches
+
+      - name: Verify Submodules
+        run: |
+          git submodule update --init --recursive
+          ls -la blst
+
+      - name: Run blst/build.sh
+        run: |
+          cd blst
+          ./build.sh
+
+      - name: Verify built blst
+        run: |
+          ls -la blst/libblst.a
+
+      - name: Install Zig
+        uses: mlugg/setup-zig@v1
+        with:
+          version: "0.13.0" # Set the required Zig version
+
+      - name: Build and Test
+        run: |
+          zig build test

.gitignore

@@ -1,3 +1,2 @@
-blst/
 zig-out/
 .zig-cache/

README.md

@@ -2,6 +2,6 @@
 Zig wrapper for [supranational/blst](https://github.com/supranational/blst) native bindings, a highly performant BLS12-381 signature library.
 
 # How to build
-- clone hashtree to root: `git clone --recurse-submodules https://github.com/supranational/blst.git`
+- clone blst to root: `git clone --recurse-submodules https://github.com/supranational/blst.git`
 - `zig build`
-- locate `zig-out/lib/libhashtree-z.dylib` (could be diffrerent name in other OSs) and continue the test below
+- locate `zig-out/lib/libblst-z.dylib` (could be diffrerent name in other OSs) and continue the test below

build.zig

@@ -97,6 +97,8 @@ pub fn build(b: *std.Build) !void {
     });
 
     lib_unit_tests.linkLibrary(lib);
+    // it's optional to do this on MacOS, but required in CI
+    lib_unit_tests.addObjectFile(b.path(blst_file_path));
     lib_unit_tests.addIncludePath(b.path("blst/bindings"));
 
     const run_lib_unit_tests = b.addRunArtifact(lib_unit_tests);