async def METHOD_NAME(self, db_version):
    async with DBConnection(db_version) as db_wrapper:
        hint_store = await HintStore.create(db_wrapper)
        hint_0 = 32 * b"\0"
        hint_1 = 32 * b"\1"
        coin_id_0 = 32 * b"\4"
        hints = [(coin_id_0, hint_0), (coin_id_0, hint_1)]
        await hint_store.add_hints(hints)
        coins_for_hint_0 = await hint_store.get_coin_ids(hint_0)
        assert coin_id_0 in coins_for_hint_0
        coins_for_hint_1 = await hint_store.get_coin_ids(hint_1)
        assert coin_id_0 in coins_for_hint_1