fix: remove enr padding #16

	name: Check Bootnodes ENRs

	on:
	pull_request:
	branches:
	- main

	jobs:
	check_enrs:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout code
	uses: actions/checkout@v3

	- name: Install Python
	run: \|
	sudo apt-get update
	sudo apt-get install python3

	- name: Check bootnodes ENRs have no padding
	run: \|
	for FILE in $(find . -type f $ -name 'bootnodes.yaml' -o -name 'bootstrap_nodes.txt' $); do
	echo "Checking paddings in file: $FILE"
	while read -r LINE; do
	if [[ "$LINE" =~ enr: ]]; then
	BASE64_STRING=${LINE#enr:}
	if [[ "$BASE64_STRING" =~ = ]]; then
	echo "ENR in $FILE contains padding: $LINE"
	exit 1
	fi
	fi
	done < "$FILE"
	done

	- name: Decode Base64
	run: \|
	for FILE in $(find . -type f $ -name 'bootnodes.yaml' -o -name 'bootstrap_nodes.txt' $); do
	echo "Test decoding in file: $FILE"
	while read -r LINE; do
	if [[ "$LINE" =~ enr: ]]; then
	BASE64_STRING=${LINE#enr:}
	DECODED_STRING=$(echo "$BASE64_STRING" \| base64 -d 2>/dev/null)
	if [ $? -eq 0 ]; then
	echo "Succesfully decoded base64: $LINE"
	else
	echo "ENR could not be decoded: $LINE"
	fi
	fi
	done < "$FILE"
	done

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