Compact unwrap (returns raw UInt/Moment) (#636)

packages/types/src/codec/Compact.spec.ts

@@ -145,6 +145,10 @@ describe('Compact', () => {
     it('compares against a primitive', () => {
       expect(new Compact(U32, 12345).eq(12345)).toBe(true);
     });
+
+    it('unwraps to the wrapped value', () => {
+      expect(new Compact(U32, 12345).unwrap() instanceof U32).toBe(true);
+    });
   });
 
   describe('helpers', () => {

packages/types/src/codec/Compact.ts

@@ -133,4 +133,11 @@ export default class Compact extends Base<UInt | Moment> implements Codec {
   toU8a (isBare?: boolean): Uint8Array {
     return Compact.encodeU8a(this.raw.toBn());
   }
+
+  /**
+   * @description Returns the embedded [[UInt]] or [[Moment]] value
+   */
+  unwrap (): UInt | Moment {
+    return this.raw;
+  }
 }