Added the class RefundedPayment

Author: mircoianese

library/src/main/java/com/pengrad/telegrambot/model/RefundedPayment.java

@@ -0,0 +1,73 @@
+package com.pengrad.telegrambot.model;
+
+import com.pengrad.telegrambot.model.stars.StarTransaction;
+
+import java.io.Serializable;
+import java.util.Objects;
+
+public class RefundedPayment implements Serializable  {
+
+    private final static long serialVersionUID = 0L;
+
+    private String currency;
+
+    private Integer total_amount;
+
+    private String invoice_payload;
+
+    private String telegram_payment_charge_id;
+
+    private String provider_payment_charge_id;
+
+    public String currency() {
+        return currency;
+    }
+
+    public Integer totalAmount() {
+        return total_amount;
+    }
+
+    public String invoicePayload() {
+        return invoice_payload;
+    }
+
+    public String telegramPaymentChargeId() {
+        return telegram_payment_charge_id;
+    }
+
+    public String providerPaymentChargeId() {
+        return provider_payment_charge_id;
+    }
+
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+
+        RefundedPayment that = (RefundedPayment) o;
+        return Objects.equals(currency, that.currency) &&
+                Objects.equals(total_amount, that.total_amount) &&
+                Objects.equals(invoice_payload, that.invoice_payload) &&
+                Objects.equals(telegram_payment_charge_id, that.telegram_payment_charge_id) &&
+                Objects.equals(provider_payment_charge_id, that.provider_payment_charge_id);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(currency, total_amount, invoice_payload, telegram_payment_charge_id, provider_payment_charge_id);
+    }
+
+    @Override
+    public String toString() {
+        return "RefundedPayment{" +
+                "currency='" + currency + "'," +
+                "total_amount='" + total_amount + "'," +
+                "invoice_payload='" + invoice_payload + "'," +
+                "telegram_payment_charge_id='" + telegram_payment_charge_id + "'," +
+                "provider_payment_charge_id='" + provider_payment_charge_id + "'" +
+                '}';
+    }
+
+
+}