Merge pull request #144 from jbx-protocol/fix/empty-tiers-array #893

	name: juice-contracts-system-tests
	on:
	pull_request:
	branches:
	- main
	push:
	branches:
	- main
	jobs:
	forge-test:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	with:
	submodules: recursive
	- uses: actions/setup-node@v1
	with:
	node-version: 16
	- name: Get yarn cache directory path
	id: yarn-cache-dir-path
	run: echo "::set-output name=dir::$(yarn cache dir)"
	- name: Restore cached yarn cache
	uses: actions/cache@v2
	id: cache-yarn-cache
	with:
	path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
	key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
	restore-keys: \|
	${{ runner.os }}-yarn-
	- name: Restore cached node_modules
	id: cache-node-modules
	uses: actions/cache@v2
	with:
	path: \|
	./node_modules
	./packages/hardhat/node_modules
	key: ${{ runner.os }}-${{ steps.nvm.outputs.NVMRC }}-nodemodules-${{ hashFiles('**/yarn.lock') }}
	restore-keys: \|
	${{ runner.os }}-${{ steps.nvm.outputs.NVMRC }}-nodemodules-
	- name: Install Foundry
	uses: onbjerg/foundry-toolchain@v1
	with:
	version: nightly
	- name: Install JS dependencies
	if: \|
	steps.cache-yarn-cache.outputs.cache-hit != 'true' \|\|
	steps.cache-node-modules.outputs.cache-hit != 'true'
	run: yarn install --frozen-lockfile --prefer-offline
	- name: install libraries
	run: git submodule update --init
	- name: Run tests
	run: forge snapshot --diff --force --optimize -vvv

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