main: Added HIP-02 to sending HNS

FireWallet/FireWallet.csproj

@@ -27,6 +27,7 @@
   </ItemGroup>
 
   <ItemGroup>
+    <PackageReference Include="DnsClient" Version="1.7.0" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
     <PackageReference Include="QRCoder" Version="1.4.3" />
   </ItemGroup>

FireWallet/MainForm.Designer.cs

@@ -75,6 +75,7 @@ namespace FireWallet
             labelBalance = new Label();
             buttonRenewAll = new Button();
             panelSend = new Panel();
+            labelSendingHIPAddress = new Label();
             checkBoxSendSubFee = new CheckBox();
             buttonSendMax = new Button();
             buttonSendHNS = new Button();
@@ -86,6 +87,7 @@ namespace FireWallet
             labelSendingAmount = new Label();
             labelSendingTo = new Label();
             labelSendPrompt = new Label();
+            labelHIPArrow = new Label();
             panelRecieve = new Panel();
             buttonAddressVerify = new Button();
             pictureBoxReceiveQR = new PictureBox();
@@ -557,6 +559,7 @@ namespace FireWallet
             // 
             // panelSend
             // 
+            panelSend.Controls.Add(labelSendingHIPAddress);
             panelSend.Controls.Add(checkBoxSendSubFee);
             panelSend.Controls.Add(buttonSendMax);
             panelSend.Controls.Add(buttonSendHNS);
@@ -568,12 +571,23 @@ namespace FireWallet
             panelSend.Controls.Add(labelSendingAmount);
             panelSend.Controls.Add(labelSendingTo);
             panelSend.Controls.Add(labelSendPrompt);
-            panelSend.Location = new Point(1113, 42);
+            panelSend.Controls.Add(labelHIPArrow);
+            panelSend.Location = new Point(138, 33);
             panelSend.Name = "panelSend";
             panelSend.Size = new Size(974, 521);
             panelSend.TabIndex = 2;
             panelSend.Visible = false;
             // 
+            // labelSendingHIPAddress
+            // 
+            labelSendingHIPAddress.AutoSize = true;
+            labelSendingHIPAddress.Location = new Point(375, 130);
+            labelSendingHIPAddress.Name = "labelSendingHIPAddress";
+            labelSendingHIPAddress.Size = new Size(64, 15);
+            labelSendingHIPAddress.TabIndex = 17;
+            labelSendingHIPAddress.Text = "To Address";
+            labelSendingHIPAddress.Visible = false;
+            // 
             // checkBoxSendSubFee
             // 
             checkBoxSendSubFee.AutoSize = true;
@@ -616,11 +630,11 @@ namespace FireWallet
             // 
             labelSendingError.AutoSize = true;
             labelSendingError.Font = new Font("Segoe UI", 12F, FontStyle.Regular, GraphicsUnit.Point);
-            labelSendingError.Location = new Point(615, 131);
+            labelSendingError.Location = new Point(679, 130);
             labelSendingError.Name = "labelSendingError";
-            labelSendingError.Size = new Size(52, 21);
+            labelSendingError.Size = new Size(78, 21);
             labelSendingError.TabIndex = 13;
-            labelSendingError.Text = "label1";
+            labelSendingError.Text = "labelError";
             labelSendingError.Visible = false;
             // 
             // labelSendingFee
@@ -691,6 +705,17 @@ namespace FireWallet
             labelSendPrompt.TabIndex = 0;
             labelSendPrompt.Text = "Send HNS";
             // 
+            // labelHIPArrow
+            // 
+            labelHIPArrow.AutoSize = true;
+            labelHIPArrow.Font = new Font("Segoe UI", 18F, FontStyle.Bold, GraphicsUnit.Point);
+            labelHIPArrow.Location = new Point(346, 119);
+            labelHIPArrow.Name = "labelHIPArrow";
+            labelHIPArrow.Size = new Size(32, 32);
+            labelHIPArrow.TabIndex = 18;
+            labelHIPArrow.Text = "⮡ ";
+            labelHIPArrow.Visible = false;
+            // 
             // panelRecieve
             // 
             panelRecieve.Controls.Add(buttonAddressVerify);
@@ -1044,12 +1069,12 @@ namespace FireWallet
             AutoScaleDimensions = new SizeF(7F, 15F);
             AutoScaleMode = AutoScaleMode.Font;
             ClientSize = new Size(1152, 575);
+            Controls.Add(panelSend);
             Controls.Add(panelSettings);
             Controls.Add(panelaccount);
             Controls.Add(panelPortfolio);
             Controls.Add(panelRecieve);
             Controls.Add(panelDomains);
-            Controls.Add(panelSend);
             Controls.Add(panelNav);
             Controls.Add(statusStripmain);
             Icon = (Icon)resources.GetObject("$this.Icon");
@@ -1178,5 +1203,7 @@ namespace FireWallet
         private ToolStripMenuItem githubToolStripMenuItem;
         private ToolStripMenuItem websiteToolStripMenuItem;
         private ToolStripMenuItem supportDiscordServerToolStripMenuItem;
+        private Label labelHIPArrow;
+        private Label labelSendingHIPAddress;
     }
 }

FireWallet/MainForm.cs

@@ -10,6 +10,10 @@ using System.Text;
 using System.Security.Policy;
 using System.Windows.Forms;
 using System.Net;
+using DnsClient;
+using DnsClient.Protocol;
+using System.Security.Cryptography.X509Certificates;
+using System.Net.Security;
 
 namespace FireWallet
 {
@@ -1084,17 +1088,17 @@ namespace FireWallet
         {
             try
             {
-                string response = await APIGet("fee", false);
+                string response = await APIPost("", false, "{\"method\": \"estimatefee\",\"params\": [ 3 ]}");
                 JObject resp = JObject.Parse(response);
-                decimal fee = Convert.ToDecimal(resp["rate"].ToString());
+                string result = resp["result"].ToString();
-                fee = fee / 1000000;
+                decimal fee = decimal.Parse(result);
-                if (fee < 0.0001m) fee = 1;
+                if (fee < 0.001m) fee = 1;
 
                 return fee.ToString();
-                //return resp["rate"].ToString();
             }
             catch
             {
+                AddLog("GetFee Error");
                 return "1";
             }
         }
@@ -1160,6 +1164,7 @@ namespace FireWallet
             labelSendingMax.Text = "Max: " + balance.ToString() + " HNS";
             textBoxSendingTo.Focus();
             string fee = await GetFee();
+
             labelSendingFee.Text = "Est. Fee: " + fee + " HNS";
             labelSendingError.Hide();
 
@@ -1255,15 +1260,97 @@ namespace FireWallet
         }
         #endregion
         #region Send
+
+        // Store TLSA hash
+        private string TLSA = "";
         private async void textBoxSendingTo_Leave(object sender, EventArgs e)
         {
+            labelSendingError.Hide();
+            labelHIPArrow.Hide();
+            labelSendingHIPAddress.Hide();
             if (textBoxSendingTo.Text == "") return;
             if (textBoxSendingTo.Text.Substring(0, 1) == "@")
+            {
+                string domain = textBoxSendingTo.Text.Substring(1);
+
+                try
+                {
+                    IPAddress iPAddress = null;
+                    TLSA = "";
+
+
+                    // Create an instance of LookupClient using the custom options
+                    NameServer nameServer = new NameServer(IPAddress.Parse("127.0.0.1"), 5350);
+                    var options = new LookupClientOptions(nameServer);
+                    options.EnableAuditTrail = true;
+                    options.UseTcpOnly = true;
+                    options.Recursion = true;
+                    options.UseCache = false;
+                    options.RequestDnsSecRecords = true;
+                    options.Timeout = TimeSpan.FromSeconds(5);
+
+
+                    var client = new LookupClient(options);
+
+
+                    // Perform the DNS lookup for the specified domain using DNSSec
+
+                    var result = client.Query(domain, QueryType.A);
+
+
+
+
+
+                    // Display the DNS lookup results
+                    foreach (var record in result.Answers.OfType<ARecord>())
+                    {
+                        iPAddress = record.Address;
+                    }
+
+                    if (iPAddress == null)
                     {
                         labelSendingError.Show();
-                labelSendingError.Text = "HIP-02 Not supported yet";
+                        labelSendingError.Text = "HIP-02 lookup failed";
                         return;
                     }
+
+                    // Get TLSA record
+                    var resultTLSA = client.Query("_443._tcp." + domain, QueryType.TLSA);
+                    foreach (var record in resultTLSA.Answers.OfType<TlsaRecord>())
+                    {
+                        TLSA = record.CertificateAssociationDataAsString;
+                    }
+
+
+
+                    string url = "https://" + iPAddress.ToString() + "/.well-known/wallets/HNS";
+                    var handler = new HttpClientHandler();
+
+                    handler.ServerCertificateCustomValidationCallback = ValidateServerCertificate;
+
+                    // Create an instance of HttpClient with the custom handler
+                    using (var httpclient = new HttpClient(handler))
+                    {
+                        httpclient.DefaultRequestHeaders.Add("Host", domain);
+                        // Send a GET request to the specified URL
+                        HttpResponseMessage response = httpclient.GetAsync(url).Result;
+
+                        // Response
+                        string address = response.Content.ReadAsStringAsync().Result;
+
+                        labelSendingHIPAddress.Text = address;
+                        labelSendingHIPAddress.Show();
+                        labelHIPArrow.Show();
+                    }
+
+                }
+                catch (Exception ex)
+                {
+                    AddLog(ex.Message);
+                    labelSendingError.Show();
+                    labelSendingError.Text = "HIP-02 lookup failed";
+                }
+            }
             else
             {
                 try
@@ -1287,6 +1374,67 @@ namespace FireWallet
                 }
             }
         }
+        public bool ValidateServerCertificate(object sender, X509Certificate certificate, X509Chain chain, SslPolicyErrors sslPolicyErrors)
+        {
+            // Customize the certificate validation logic here if needed
+
+            // Return true to accept the certificate or false to reject it
+            X509Certificate2 cert2 = new X509Certificate2(certificate);
+
+
+            var rsaPublicKey = (RSA)cert2.PublicKey.Key;
+
+            // Calculate the SHA-256 hash of the public key
+            using (var sha256 = SHA256.Create())
+            {
+                byte[] publicKeyBytes = rsaPublicKey.ExportSubjectPublicKeyInfo();
+                byte[] publicKeyHash = sha256.ComputeHash(publicKeyBytes);
+
+                // Convert the hash value to hexadecimal format
+                string hexFingerprint = ByteArrayToHexString(publicKeyHash);
+
+                if (hexFingerprint == TLSA)
+                {
+                    return true;
+                }
+                else
+                {
+                    AddLog("TLSA mismatch");
+                    return false;
+                }
+            }
+        }
+        static string ByteArrayToHexString(byte[] bytes)
+        {
+            StringBuilder hex = new StringBuilder(bytes.Length * 2);
+            foreach (byte b in bytes)
+            {
+                hex.AppendFormat("{0:X2}", b);
+            }
+            return hex.ToString();
+        }
+
+        private static string GetHash(HashAlgorithm hashAlgorithm, byte[] input)
+        {
+
+            // Convert the input string to a byte array and compute the hash.
+            byte[] data = hashAlgorithm.ComputeHash(input);
+
+            // Create a new Stringbuilder to collect the bytes
+            // and create a string.
+            var sBuilder = new StringBuilder();
+
+            // Loop through each byte of the hashed data
+            // and format each one as a hexadecimal string.
+            for (int i = 0; i < data.Length; i++)
+            {
+                sBuilder.Append(data[i].ToString("x2"));
+            }
+
+            // Return the hexadecimal string.
+            return sBuilder.ToString();
+        }
+
         private void textBoxSendingAmount_Leave(object sender, EventArgs e)
         {
             decimal amount = 0;