Fix entries values decoding (#2011)

* Fix entries values decoding

* Linting

* Properly unwrap storage subs

packages/types/src/codec/Raw.ts

@@ -117,7 +117,7 @@ export default class Raw extends Uint8Array implements IU8a {
    * @description Returns the base runtime type name for this instance
    */
   public toRawType (): string {
-    return '&[u8]';
+    return 'Raw';
   }
 
   /**

packages/types/src/interfaces/staking/Exposure.spec.ts

@@ -0,0 +1,23 @@
+
+// Copyright 2017-2020 @polkadot/types authors & contributors
+// This software may be modified and distributed under the terms
+// of the Apache-2.0 license. See the LICENSE file for details.
+
+import { TypeRegistry } from '../../create';
+
+describe('Exposure', (): void => {
+  const registry = new TypeRegistry();
+
+  it('properly decodes an Exposure', (): void => {
+    expect(
+      registry.createType('Exposure', '0x0fd2c5f6bc904d990f94373671da716d04fe65717dad0447d715f660a0a58411de509b42e6efb8375f562f58a554d5860e0f3e8ec04bb6db2b').toHuman()
+    ).toEqual({
+      others: [{
+        value: '12.344k Unit',
+        who: '5HpG9w8EBLe5XCrbczpwq5TSXvedjrBGCwqxK1iQ7qUsSWFc'
+      }],
+      own: '30.805k Unit',
+      total: '43.150k Unit'
+    });
+  });
+});