refactor: using bitwise operations to save gas #104 #82

	name: Fuzz Testing

	on:
	push:
	branches:
	- main
	pull_request:

	jobs:
	echidna:
	name: Echidna
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	testName:
	- TestFactory
	- TestSwaplace

	env:
	DEPLOYER_PRIVATE_KEY: ${{ vars.DEPLOYER_PRIVATE_KEY }}

	steps:
	- uses: actions/checkout@v2

	- name: Set up node
	uses: actions/setup-node@v1
	with:
	node-version: 18.16.0

	- name: Set up Python 3.8
	uses: actions/setup-python@v2
	with:
	python-version: 3.8

	- name: Install node dependencies
	run: yarn install

	- name: Install pip3
	run: \|
	python -m pip install --upgrade pip

	- name: Install slither
	run: \|
	pip3 install slither-analyzer

	- name: Install echidna
	run: \|
	sudo wget -O /tmp/echidna-2.2.1-Linux.zip https://github.com/crytic/echidna/releases/download/v2.2.1/echidna-2.2.1-Linux.zip
	sudo unzip /tmp/echidna-2.2.1-Linux.zip -d /usr/bin
	sudo tar -xf /usr/bin/echidna.tar.gz -C /usr/bin
	sudo chmod +x /usr/bin/echidna

	- name: Run ${{ matrix.testName }} as properties
	run: echidna . --contract ${{ matrix.testName }} --test-mode property --config echidna.config.yml

	- name: Run ${{ matrix.testName }} as assertion
	run: echidna . --contract ${{ matrix.testName }} --test-mode assertion --config echidna.config.yml

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