Merge Gossip Engine, Add Rust-based integration tests #1494

	name: checks

	on:
	push:
	branches: [master]
	pull_request:
	workflow_dispatch:

	env:
	CARGO_REGISTRIES_CRATES_IO_PROTOCOL: git

	jobs:
	# checks markdown links
	link-check:
	name: links
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3

	- name: Check markdown links
	uses: gaurav-nelson/github-action-markdown-link-check@v1
	with:
	use-quiet-mode: "yes"
	config-file: ".github/workflows/mlc_config.json"

	# ensures proper formatting and clippy lint
	lint-check:
	name: lint
	runs-on: ubuntu-latest
	steps:
	- name: Cancel Previous Runs
	uses: styfle/[email protected]
	with:
	access_token: ${{ github.token }}

	- uses: actions/checkout@v3
	- name: Install latest nightly
	uses: dtolnay/rust-toolchain@stable
	with:
	toolchain: nightly
	components: rustfmt, clippy

	- name: Rust Cache
	uses: Swatinem/[email protected]

	- name: Run Linters
	run: \|
	sudo apt-get install protobuf-compiler &&
	cargo fmt --all -- --check &&
	cargo clippy -Zunstable-options -- -D warnings -D clippy::unwrap_used

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