Introduce Symphony chains replacing Eth chain structures from `ethers` #32

	on:
	pull_request:
	merge_group:

	env:
	RUSTFLAGS: -D warnings
	CARGO_TERM_COLOR: always

	concurrency:
	group: ${{ github.workflow }}-${{ github.head_ref \|\| github.run_id }}
	cancel-in-progress: true

	name: ci
	jobs:
	lint:
	name: code lint
	runs-on: ubuntu-latest
	steps:
	- name: Checkout sources
	uses: actions/checkout@v3
	- name: Install toolchain
	uses: dtolnay/rust-toolchain@nightly
	with:
	components: rustfmt, clippy
	- uses: Swatinem/rust-cache@v2
	with:
	cache-on-failure: true

	- name: cargo fmt
	uses: actions-rs/cargo@v1
	with:
	command: fmt
	args: --all --check

	- name: cargo clippy
	uses: actions-rs/clippy-check@v1
	with:
	args: --all --all-features
	token: ${{ secrets.GITHUB_TOKEN }}

	doc-lint:
	name: doc lint
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- name: Install toolchain
	uses: dtolnay/rust-toolchain@stable
	- uses: Swatinem/rust-cache@v2
	- name: Check if documentation builds
	run: RUSTDOCFLAGS="-D warnings" cargo doc --all --no-deps --all-features --document-private-items

	grafana-lint:
	name: grafana lint
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- name: Check dashboard JSON with jq
	uses: sergeysova/jq-action@v2
	with:
	cmd: jq empty etc/grafana/dashboards/overview.json

	lint-success:
	if: always()
	name: lint success
	runs-on: ubuntu-latest
	needs: [lint, doc-lint, grafana-lint]
	steps:
	- name: Decide whether the needed jobs succeeded or failed
	uses: re-actors/alls-green@release/v1
	with:
	jobs: ${{ toJSON(needs) }}

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