Update after nwaku cleanup #251

	on:
	pull_request:
	push:
	branches:
	- master

	name: Codecov

	jobs:
	test-and-coverage:
	runs-on: ubuntu-latest
	env:
	CARGO_INCREMENTAL: 0
	RUSTFLAGS: "-C instrument-coverage"
	LLVM_PROFILE_FILE: "coverage-%p-%m.profraw"

	steps:
	# 1️⃣ Checkout the repo
	- name: Checkout code
	uses: actions/checkout@v4

	# 2️⃣ Install Rust toolchain (nightly required for coverage)
	- name: Set up Rust
	uses: dtolnay/rust-toolchain@stable
	with:
	toolchain: nightly
	components: llvm-tools-preview

	# 3️⃣ Cache build artifacts for faster CI
	- name: Cache cargo build
	uses: actions/cache@v4
	with:
	path: \|
	~/.cargo/registry
	~/.cargo/git
	target
	key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}

	# 4️⃣ Build and test with coverage instrumentation
	- name: Run tests
	run: \|
	cargo build --all-features
	cargo test --all-features

	# 5️⃣ Install grcov
	- name: Install grcov
	run: cargo install grcov

	# 6️⃣ Generate lcov report
	- name: Generate coverage report
	run: \|
	mkdir -p coverage
	grcov . \
	--binary-path ./target/debug/ \
	-s . \
	-t lcov \
	--branch \
	--ignore-not-existing \
	--ignore '../*' \
	--ignore "/*" \
	-o coverage/tests.lcov

	# 7️⃣ Upload to Codecov
	- name: Upload coverage to Codecov
	uses: codecov/codecov-action@v4
	with:
	token: ${{ secrets.CODECOV_TOKEN }} # only needed for private repos
	files: coverage/tests.lcov
	fail_ci_if_error: true
	flags: unittests
	name: rust-codecov

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