sao: gasha medal shop handler classes

titles/sao/handlers/base.py

@@ -3194,3 +3194,21 @@ class GetMYuiMedalShopItemsResponse(SaoBaseResponse):
         
         self.header.length = len(ret)
         return super().make() + ret
+
+class GetMGashaMedalShopsRequest(SaoBaseRequest):
+    def __init__(self, header: SaoRequestHeader, data: bytes) -> None:
+        super().__init__(header, data)
+        self.dummy = decode_byte(data, 0)
+
+class GetMGashaMedalShopsResponse(SaoBaseResponse):
+    def __init__(self, cmd_id: int) -> None:
+        super().__init__(cmd_id)
+        self.result = 1 # byte
+        self.data_list: List[GashaMedalShop] = []
+
+    def make(self) -> bytes:
+        ret = encode_byte(self.result)
+        ret += encode_arr_cls(self.data_list)
+        
+        self.header.length = len(ret)
+        return super().make() + ret

titles/sao/handlers/helpers.py

@@ -803,3 +803,8 @@ class YuiMedalShopItemData(BaseHelper):
         ret += encode_int(self.property4_value1)
         ret += encode_int(self.property4_value2)
         return ret
+
+class GashaMedalShop(BaseHelper):
+    def __init__(self, data: bytes, offset: int) -> None:
+        super().__init__(data, offset)
+