Adds sign tracking and refunds #3 #8

src/main/java/net/knarcraft/paidsigns/container/TrackedSign.java

@@ -0,0 +1,42 @@
+package net.knarcraft.paidsigns.container;
+
+import java.util.UUID;
+
+/**
+ * A representation of a sign placed by a player that matched a paid sign
+ */
+public class TrackedSign {
+
+    private final UUID playerId;
+    private final double cost;
+
+    /**
+     * Instantiates a new tracked sign
+     *
+     * @param playerId <p>The unique id of the player that created the sign</p>
+     * @param cost     <p>The cost the player paid for creating the sign</p>
+     */
+    public TrackedSign(UUID playerId, double cost) {
+        this.playerId = playerId;
+        this.cost = cost;
+    }
+
+    /**
+     * Gets the id of the player that created this tracked sign
+     *
+     * @return <p>The player that created this tracked sign</p>
+     */
+    public UUID getPlayerId() {
+        return this.playerId;
+    }
+
+    /**
+     * Gets the cost the player paid for creating this paid sign
+     *
+     * @return <p>The cost paid for creating this sign</p>
+     */
+    public double getCost() {
+        return this.cost;
+    }
+
+}