Misc Primitive Fixes

packages/primitives/src/public-key.ts

@@ -15,7 +15,7 @@ import {
  */
 export class PublicKey {
   // The raw bytes representing the Public Key.
-  public readonly bytes: Uint8Array;
+  protected readonly bytes: Uint8Array;
 
   /**
    * Construct a new Public Key.
@@ -37,8 +37,8 @@ export class PublicKey {
    */
   public static from(publicKey: Uint8Array | string) {
     return publicKey instanceof Uint8Array
-      ? PublicKey.fromBytes(publicKey)
-      : PublicKey.fromHex(publicKey);
+      ? this.fromBytes(publicKey)
+      : this.fromHex(publicKey);
   }
 
   /**
@@ -56,7 +56,7 @@ export class PublicKey {
       throw new Error(`Invalid Public Key.`);
     }
 
-    return new PublicKey(publicKeyBytes);
+    return new this(publicKeyBytes);
   }
 
   /**
@@ -80,7 +80,7 @@ export class PublicKey {
     const publicKey = hexToBin(publicKeyHex);
 
     // Create a Public Key Entity from the binary.
-    return new PublicKey(publicKey);
+    return new this(publicKey);
   }
 
   /**