Misc Primitive Fixes

packages/primitives/src/address.ts

@@ -29,7 +29,7 @@ export const DEFAULT_ADDRESS_PREFIXES = [
  * Address Entity.
  */
 export class Address {
-  public readonly addressContents: KnownAddressTypeContents;
+  protected readonly addressContents: KnownAddressTypeContents;
 
   protected constructor(addressContents: KnownAddressTypeContents) {
     this.addressContents = addressContents;
@@ -102,7 +102,7 @@ export class Address {
     }
 
     // Return new instance of address.
-    return new Address({ payload: decodeResult.payload, type: encodeType });
+    return new this({ payload: decodeResult.payload, type: encodeType });
   }
 
   /**
@@ -140,7 +140,7 @@ export class Address {
         throw new Error(`Unsupported address type: ${decodeResult.version}`);
     }
 
-    return new Address({ payload: decodeResult.payload, type: encodeType });
+    return new this({ payload: decodeResult.payload, type: encodeType });
   }
 
   /**