first commit

src/utils/ReceiptDecorator.java

@@ -0,0 +1,17 @@
+package utils;
+
+public class ReceiptDecorator {
+    boolean received;
+
+    public ReceiptDecorator() {
+        this.received = false;
+    }
+
+    public boolean isReceived() {
+        return received;
+    }
+
+    public void setReceived(boolean received) {
+        this.received = received;
+    }
+}