Misc Primitive Fixes

packages/primitives/src/satoshis.ts

@@ -4,7 +4,7 @@ export type BCHUnits = ['sats', 'bits', 'mBCH', 'BCH'];
  * Satoshis Primitive
  */
 export class Satoshis {
-  public readonly satoshis: bigint;
+  protected readonly satoshis: bigint;
 
   /**
    * Construct a new instance of Satoshis.
@@ -26,7 +26,7 @@ export class Satoshis {
    * @returns {Satoshis} New instance of Satoshis.
    */
   public static fromSats(satoshis: bigint | number): Satoshis {
-    return new Satoshis(satoshis);
+    return new this(satoshis);
   }
 
   /**
@@ -39,7 +39,7 @@ export class Satoshis {
    * @returns {Satoshis} New instance of Satoshis.
    */
   public static fromSatoshis(satoshis: bigint | number): Satoshis {
-    return new Satoshis(satoshis);
+    return new this(satoshis);
   }
 
   /**
@@ -52,7 +52,7 @@ export class Satoshis {
   public static fromBits(bits: number): Satoshis {
     const satoshis = Satoshis.roundToDigits(bits * 100, 0);
 
-    return new Satoshis(satoshis);
+    return new this(satoshis);
   }
 
   /**
@@ -65,7 +65,7 @@ export class Satoshis {
   public static fromMBCH(mBCH: number): Satoshis {
     const satoshis = Satoshis.roundToDigits(mBCH * 100_000, 0);
 
-    return new Satoshis(satoshis);
+    return new this(satoshis);
   }
 
   /**
@@ -78,7 +78,7 @@ export class Satoshis {
   public static fromBCH(bch: number): Satoshis {
     const satoshis = Satoshis.roundToDigits(bch * 100_000_000, 0);
 
-    return new Satoshis(satoshis);
+    return new this(satoshis);
   }
 
   /**