Tests and package name updated

Runtime/Models/TaxRefundRequest.cs

@@ -0,0 +1,32 @@
+using System;
+
+namespace Darkmatter.Fonepay
+{
+    /// <summary>
+    /// User-facing tax refund request. Credentials and HMAC dataValidation are
+    /// injected by FonepayApiClient at send time.
+    /// </summary>
+    [Serializable]
+    public struct TaxRefundRequest
+    {
+        public string fonepayTraceId;
+        public string merchantPRN;
+        public string invoiceNumber;
+        public DateTime invoiceDate;
+        public float transactionAmount;
+    }
+
+    [Serializable]
+    internal struct TaxRefundRequestPayload
+    {
+        public string fonepayTraceId;
+        public string merchantPRN;
+        public string invoiceNumber;
+        public string invoiceDate;
+        public float transactionAmount;
+        public string merchantCode;
+        public string dataValidation;
+        public string username;
+        public string password;
+    }
+}