feat: add base and op yfi #552

	name: Check Files
	on:
	push:
	branches:
	- master
	pull_request:
	branches:
	- master
	jobs:
	tests:
	runs-on: ubuntu-latest
	steps:

	- name: Check out github repository
	uses: actions/checkout@v2
	with:
	fetch-depth: 1

	- name: Setup Python
	uses: actions/setup-python@v2
	with:
	python-version: "3.x"

	- uses: actions/cache@v2
	with:
	path: ~/.cache/pip
	key: pip-${{ hashFiles('**/requirements.txt') }}
	restore-keys: \|
	pip-

	- name: Install test dependencies
	run: pip install -r tests/requirements.txt

	- name: Check address checksum
	run: python tests/check_checksum.py

	- name: Check tokens (pull request)
	run: python tests/check_token.py
	if: github.event_name == 'pull_request'

	- name: Check tokens with ethplorer (master)
	if: github.event_name == 'push'
	run: \|
	if [ -z "$ETHPLORER_API_KEY" ] ; then
	echo "Missing ENV variable ETHPLORER_API_KEY"
	exit 1
	fi
	python tests/check_token.py
	env:
	ETHPLORER_API_KEY: ${{ secrets.ETHPLORER_API_KEY }}

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