Disallow local variables from shadowing functions, structs, mappings,… #5421

	name: CI
	on:
	pull_request:
	push:
	branches:
	- mainnet
	paths-ignore:
	- 'docs/**'
	- 'documentation/**'
	env:
	RUST_BACKTRACE: 0

	jobs:
	codecov:
	name: Code Coverage
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v2
	with:
	submodules: true

	- name: Install Rust Stable
	uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: stable
	override: true
	components: rustfmt

	- name: Set up rust-cache
	uses: Swatinem/rust-cache@v2

	- name: Test
	uses: actions-rs/cargo@v1
	with:
	command: test
	args: --all --locked --profile ci --features only_testnet
	env:
	CARGO_INCREMENTAL: "0"

	- name: Install dependencies for code coverage
	run: \|
	sudo apt-get update
	sudo apt-get -y install binutils-dev libcurl4-openssl-dev zlib1g-dev libdw-dev libiberty-dev

	- name: Generate coverage report
	run: \|
	wget https://github.com/SimonKagstrom/kcov/archive/master.tar.gz
	tar xzf master.tar.gz
	cd kcov-master
	mkdir build && cd build
	cmake .. && make
	make install DESTDIR=../../kcov-build
	cd ../..
	rm -rf kcov-master
	for file in target/ci/deps/-; do if [[ "$file" != \. ]]; then mkdir -p "target/cov/$(basename $file)"; ./kcov-build/usr/local/bin/kcov --exclude-pattern=/.cargo,/usr/lib --exclude-region='@kcov_skip(start):@kcov_skip(end)' --verify "target/cov/$(basename $file)" "$file"; fi done

	- name: Upload coverage to Codecov
	uses: codecov/codecov-action@v3
	with:
	token: ${{ secrets.CODECOV_TOKEN }}

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