feat: add preDeployedContract hardfork (#5) #1

	name: DockerImage build and push

	on:
	push:
	# Publish `v1.2.3` tags as releases.
	tags:
	- v*

	jobs:
	# Push image to GitHub Packages.
	push-op-geth:
	runs-on: ubuntu-latest
	if: github.event_name == 'push'

	steps:
	- uses: actions/checkout@v3
	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v2
	- name: Login to GHCR
	uses: docker/login-action@v2
	with:
	registry: ghcr.io
	username: ${{ github.repository_owner }}
	password: ${{ secrets.GITHUB_TOKEN }}
	- name: ImageId
	id: image
	run: \|
	IMAGE_ID=ghcr.io/${{ github.repository_owner }}/op-geth

	# Change all uppercase to lowercase
	IMAGE_ID=$(echo $IMAGE_ID \| tr '[A-Z]' '[a-z]')
	# Strip git ref prefix from version
	VERSION=$(echo "${{ github.ref }}" \| sed -e 's,./$.$,\1,')
	# Strip "v" prefix from tag name
	[[ "${{ github.ref }}" == "refs/tags/"* ]] && VERSION=$(echo $VERSION \| sed -e 's/^v//')
	# Use Docker `latest` tag convention
	[ "$VERSION" == "main" ] && VERSION=latest
	echo "IMAGE_ID=$IMAGE_ID">>$GITHUB_OUTPUT
	echo "VERSION=$VERSION">>$GITHUB_OUTPUT
	- name: Build and push
	uses: docker/build-push-action@v4
	with:
	context: .
	file: ./Dockerfile
	push: true
	tags: ${{ steps.image.outputs.IMAGE_ID }}:${{ steps.image.outputs.VERSION }},${{ steps.image.outputs.IMAGE_ID }}:latest
	cache-from: type=registry,ref=${{ steps.image.outputs.IMAGE_ID }}:buildcache
	cache-to: type=registry,ref=${{ steps.image.outputs.IMAGE_ID }}:buildcache,mode=max

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