Build fuzz targets from master #551

	name: Build fuzz targets from master
	on:
	schedule:
	# Run once a day, at midnight
	- cron: "0 0 * * *"

	jobs:
	build_fuzzers:
	runs-on: "ubuntu-20.04"

	permissions:
	contents: "read"
	id-token: "write"

	steps:
	- id: "auth"
	uses: "google-github-actions/auth@v1"
	with:
	workload_identity_provider: "projects/968400232856/locations/global/workloadIdentityPools/project-identity-pool/providers/github-provider"
	service_account: "near-fuzzer-service-account@near-fuzzer.iam.gserviceaccount.com"

	- name: Installing nightly rust
	run: \|
	rustup install nightly
	rustup default nightly

	- name: Set swap to 10G
	shell: bash
	run: \|
	export SWAP_FILE=$(swapon --show=NAME \| tail -n 1)
	sudo swapoff $SWAP_FILE
	sudo rm $SWAP_FILE
	sudo fallocate -l 10G $SWAP_FILE
	sudo chmod 600 $SWAP_FILE
	sudo mkswap $SWAP_FILE
	sudo swapon $SWAP_FILE

	- name: Install cargo fuzz subcommand crate
	run: cargo install cargo-fuzz

	- run: rustup target add --toolchain nightly wasm32-unknown-unknown

	- name: "Set up GCP SDK"
	uses: "google-github-actions/setup-gcloud@v1"
	with:
	version: ">= 416.0.0"

	- uses: actions/checkout@master

	- run: pip install -r scripts/build_fuzzers_requirements.txt

	- run: python3 scripts/build_fuzzers.py master

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