decode method

@override StorageHasher decode(Input input)

Implementation

@override
StorageHasher decode(Input input) {
  final index = input.read();
  switch (index) {
    case 0:
      return StorageHasher.blake2_128;
    case 1:
      return StorageHasher.blake2_256;
    case 2:
      return StorageHasher.blake2_128Concat;
    case 3:
      return StorageHasher.twox128;
    case 4:
      return StorageHasher.twox256;
    case 5:
      return StorageHasher.twox64Concat;
    case 6:
      return StorageHasher.identity;
    default:
      throw Exception('Unknown StorageHasher variant index $index');
  }
}