setup basic CI checks

.github/workflows/unit-tests-suite.yml

@@ -0,0 +1,59 @@
+---
+name: Unit tests
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+concurrency:
+  group: ${{ github.ref }}-${{ github.workflow }}
+  cancel-in-progress: false
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  unit-test-suite:
+
+    runs-on: ubuntu-latest
+
+    steps:
+
+      - name: Install protoc compiler
+        shell: bash
+        run: |
+          sudo apt-get install -y protobuf-compiler
+
+      - name: Checkout Source code
+        uses: actions/checkout@v3
+
+      - name: Cache cargo
+        uses: actions/cache@v3
+        with:
+          path: |
+            ~/.cargo/bin/
+            ~/.cargo/registry/index/
+            ~/.cargo/registry/cache/
+            ~/.cargo/git/db/
+            target/
+          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
+
+      - name: Install Rust toolchain
+        uses: Cardinal-Cryptography/github-actions/install-rust-toolchain@v1
+
+      - name: Run fmt
+        uses: actions-rs/cargo@v1
+        with:
+          command: fmt
+          args: --all
+
+      - name: Run clippy
+        uses: actions-rs/cargo@v1
+        with:
+          command: clippy
+          args: --all-targets -- --no-deps -D warnings
+
+      - name: Run tests
+        run: cargo test --verbose

README.md

@@ -1,5 +1,7 @@
 # Academy PoW
 
+![Unit Tests](https://github.com/Polkadot-Blockchain-Academy/Academy-PoW/workflows/unit-tests-suite.yml/badge.svg)
+
 This repo houses a Proof of Work based blockchain node for use in the Polkadot Blockchain Academy. It happens to be based on Substrate, but no Substrate knowledge is required.
 
 ## Connecting the UI
@@ -21,4 +23,4 @@ In the left panel of the UI, switch to the `Local Node` endpoint.
 
 ## More Help
 
-This code will be used primarily as an in-class activity that is instructor led, so just wait for details in class.
+This code will be used primarily as an in-class activity that is instructor led, so just wait for details in class.

node/build.rs

@@ -1,4 +1,4 @@
 fn main() {
-	substrate_build_script_utils::generate_cargo_keys();
-	substrate_build_script_utils::rerun_if_git_head_changed();
+    substrate_build_script_utils::generate_cargo_keys();
+    substrate_build_script_utils::rerun_if_git_head_changed();
 }