Fix ts in abi

packages/abi/src/spec/interface.ts

@@ -23,7 +23,7 @@ class Interface {
         return new Token(
           paramType.type,
           (value as TokenValue[]).map(entry =>
-            createToken(paramType.subtype, entry)
+            createToken(paramType.subtype as ParamType, entry)
           )
         );
       }

packages/abi/src/util/signature.ts

@@ -43,12 +43,7 @@ export const methodSignature = (
  *
  * @param name - Name to parse.
  */
-export const parseName = (
-  name: string | undefined
-): {
-  strName: string;
-  name: string;
-} => {
+export const parseName = (name: string | undefined) => {
   const strName = `${name || ''}`;
   const index = strName.indexOf('(');