def state_from_blob(self, blob: bytes) -> (any, int):
if self.type is SealType.Type.balance:
if blob[0] == 0xfd:
shift = 3
elif blob[0] == 0xfe:
shift = 5
elif blob[0] == 0xff:
shift = 9
else:
shift = 1
return VarIntSerializer.deserialize(blob), shift
else:
return None, 0
