easy checks

Skydev0h · Dec 27, 2023 · a503294 · a503294
1 parent a8cca28
commit a503294
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/contracts/task3.fc b/contracts/task3.fc
@@ -18,7 +18,7 @@ int version() method_id {
 }
 
 () recv_internal(int msg_value, int balance, cell in_msg_full, slice in_msg_body) impure {
-    if (in_msg_body.slice_bits() < 34) { return(); } ;; deploy / ordinary
+    if (in_msg_body.slice_empty?()) { return(); } ;; deploy / ordinary
     int expected_version = in_msg_body~load_uint(32);
     cell expected_code = in_msg_body~load_maybe_ref();
     cell migrations = in_msg_body~load_dict();
@@ -34,7 +34,7 @@ int version() method_id {
     }
 
     slice ds = get_data().begin_parse();
-    int version = ds.preload_uint(32);
+    int version = ds~load_uint(32);
     cell storage = ds.preload_ref();
 
     if (expected_version != version) {
@@ -51,7 +51,7 @@ int version() method_id {
                 set_c3(mc.begin_parse().bless());
                 storage = migrate_one(storage);
             }
-            throw_if(400, version == next);
+            ;; throw_if(400, version == next);
             version = next;
         }