Remove extra params to type detection

packages/types/src/checkTypes.manual.ts

@@ -21,7 +21,7 @@ const oo4 = registry.createType<AccountId>('Option<u32>');
 const oo5 = registry.createType<IOption<u32>>('u32');
 const oo6 = registry.createType<Option<Compact<u32>>>('u32');
 const oo7 = registry.createType<Bytes>('u64');
-const oo8 = registry.createType<ITuple<[Bytes, u32]>>('Something');
+const oo8 = registry.createType<ITuple<[Bytes, u32]>>('(u32)');
 
 assert(oo0.divn(123) && [...oo1.values()] && oo2[6].isAscii && oo3.divn(3) && oo4.isAscii && oo5.unwrap().divn(1) && oo6.unwrap().unwrap().divn(1) && oo7.isAscii && oo8[1].toNumber(), 'All ok');
 

packages/types/src/types/detect.ts

@@ -39,17 +39,17 @@ export type __Params<X extends string> =
     ? [__Expand<A>, ...__Params<B>]
     : [__Expand<X>];
 
-export type __Tuple<X extends string, T extends Codec> =
+export type __Tuple<X extends string> =
   // eslint-disable-next-line @typescript-eslint/no-unused-vars
   X extends `${infer A},${infer B}`
     ? ITuple<__Params<X>>
-    : __Expand<X, T>;
+    : __Expand<X>;
 
 // vec support with short-circuit for u8
-export type __Vec<X extends string, T extends Codec> =
+export type __Vec<X extends string> =
   Trim<X> extends 'u8'
     ? Bytes
-    : Vec<__Expand<X, T>>;
+    : Vec<__Expand<X>>;
 
 // fixed vec support
 export type __VecFixed<X extends string> =
@@ -66,9 +66,9 @@ export type __Unwrap<K extends string, T extends Codec> =
     : K extends `Option<${infer X}>`
       ? Option<__Expand<X>>
       : K extends `Vec<${infer X}>`
-        ? __Vec<X, T>
+        ? __Vec<X>
         : K extends `[${infer X}]`
           ? __VecFixed<X>
           : K extends `(${infer X})`
-            ? __Tuple<X, T>
+            ? __Tuple<X>
             : T;