hexToBytes static method
Converts hex string to bytes
Implementation
static Uint8List hexToBytes(String hex) {
if (hex.length % 2 != 0) {
throw ArgumentError('Hex string must have even length');
}
return Uint8List.fromList(
List.generate(
hex.length ~/ 2,
(i) => int.parse(hex.substring(i * 2, i * 2 + 2), radix: 16),
),
);
}