Add H2O Nodes testnet regenesis info #480

	name: Validate JSON files

	on:
	pull_request:
	paths:
	- "testnet/*.json"
	- "mainnet/*.json"

	jobs:
	validate:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 0
	- uses: actions/setup-python@v5
	with:
	python-version: "3.11"
	- run: pip install -r scripts/requirements.txt
	- name: Validating changed files
	env:
	MAINNET_RPC_URL: ${{ secrets.MAINNET_RPC_URL }}
	run: \|
	git fetch origin ${{ github.base_ref }}
	# Get list of changed files, excluding deleted files (--diff-filter=d)
	# since we can't validate files that no longer exist
	FILES="$(git diff --name-only --diff-filter=d origin/${{ github.base_ref }}...HEAD \| grep -E '^(testnet\|mainnet)/' \|\| true)"

	for FILE in $FILES; do
	python scripts/validate.py "$FILE"
	done

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