FrmMain: Better user information.

BasicBlockChain/FrmMain.Designer.cs

@@ -40,8 +40,13 @@
             this.txtMinerName = new System.Windows.Forms.TextBox();
             this.txtFrom = new System.Windows.Forms.TextBox();
             this.txtTo = new System.Windows.Forms.TextBox();
-            this.txtAmount = new System.Windows.Forms.TextBox();
+            this.numAmount = new System.Windows.Forms.NumericUpDown();
+            this.btnClearFrom = new System.Windows.Forms.Button();
+            this.btnClearTo = new System.Windows.Forms.Button();
+            this.btnClearAmount = new System.Windows.Forms.Button();
+            this.lsbUsers = new System.Windows.Forms.ListBox();
             this.grpAddTransaction.SuspendLayout();
+            ((System.ComponentModel.ISupportInitialize)(this.numAmount)).BeginInit();
             this.SuspendLayout();
             // 
             // lsbTransactions
@@ -49,25 +54,22 @@
             this.lsbTransactions.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
             | System.Windows.Forms.AnchorStyles.Left)));
             this.lsbTransactions.FormattingEnabled = true;
-            this.lsbTransactions.Location = new System.Drawing.Point(12, 12);
+            this.lsbTransactions.Location = new System.Drawing.Point(12, 129);
             this.lsbTransactions.Name = "lsbTransactions";
-            this.lsbTransactions.Size = new System.Drawing.Size(225, 303);
+            this.lsbTransactions.Size = new System.Drawing.Size(225, 368);
             this.lsbTransactions.TabIndex = 0;
             // 
             // lsbPendingTransactions
             // 
-            this.lsbPendingTransactions.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 
-            | System.Windows.Forms.AnchorStyles.Left)));
             this.lsbPendingTransactions.FormattingEnabled = true;
-            this.lsbPendingTransactions.Location = new System.Drawing.Point(243, 12);
+            this.lsbPendingTransactions.Location = new System.Drawing.Point(12, 12);
             this.lsbPendingTransactions.Name = "lsbPendingTransactions";
-            this.lsbPendingTransactions.Size = new System.Drawing.Size(225, 277);
+            this.lsbPendingTransactions.Size = new System.Drawing.Size(225, 82);
             this.lsbPendingTransactions.TabIndex = 1;
             // 
             // btnMine
             // 
-            this.btnMine.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));
+            this.btnMine.Location = new System.Drawing.Point(162, 100);
-            this.btnMine.Location = new System.Drawing.Point(393, 297);
             this.btnMine.Name = "btnMine";
             this.btnMine.Size = new System.Drawing.Size(75, 23);
             this.btnMine.TabIndex = 2;
@@ -77,23 +79,26 @@
             // 
             // grpAddTransaction
             // 
-            this.grpAddTransaction.Controls.Add(this.txtAmount);
+            this.grpAddTransaction.Controls.Add(this.btnClearAmount);
+            this.grpAddTransaction.Controls.Add(this.btnClearTo);
+            this.grpAddTransaction.Controls.Add(this.btnClearFrom);
+            this.grpAddTransaction.Controls.Add(this.numAmount);
             this.grpAddTransaction.Controls.Add(this.txtTo);
             this.grpAddTransaction.Controls.Add(this.txtFrom);
             this.grpAddTransaction.Controls.Add(this.lblAmount);
             this.grpAddTransaction.Controls.Add(this.lblTo);
             this.grpAddTransaction.Controls.Add(this.lblFrom);
             this.grpAddTransaction.Controls.Add(this.btnAdd);
-            this.grpAddTransaction.Location = new System.Drawing.Point(474, 12);
+            this.grpAddTransaction.Location = new System.Drawing.Point(243, 12);
             this.grpAddTransaction.Name = "grpAddTransaction";
-            this.grpAddTransaction.Size = new System.Drawing.Size(155, 135);
+            this.grpAddTransaction.Size = new System.Drawing.Size(175, 132);
             this.grpAddTransaction.TabIndex = 3;
             this.grpAddTransaction.TabStop = false;
             this.grpAddTransaction.Text = "Add transaction";
             // 
             // btnAdd
             // 
-            this.btnAdd.Location = new System.Drawing.Point(72, 97);
+            this.btnAdd.Location = new System.Drawing.Point(94, 97);
             this.btnAdd.Name = "btnAdd";
             this.btnAdd.Size = new System.Drawing.Size(75, 23);
             this.btnAdd.TabIndex = 0;
@@ -130,38 +135,82 @@
             // 
             // txtMinerName
             // 
-            this.txtMinerName.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));
+            this.txtMinerName.Location = new System.Drawing.Point(69, 103);
-            this.txtMinerName.Location = new System.Drawing.Point(287, 300);
             this.txtMinerName.Name = "txtMinerName";
-            this.txtMinerName.Size = new System.Drawing.Size(100, 20);
+            this.txtMinerName.Size = new System.Drawing.Size(87, 20);
             this.txtMinerName.TabIndex = 4;
             // 
             // txtFrom
             // 
             this.txtFrom.Location = new System.Drawing.Point(47, 19);
             this.txtFrom.Name = "txtFrom";
-            this.txtFrom.Size = new System.Drawing.Size(100, 20);
+            this.txtFrom.Size = new System.Drawing.Size(95, 20);
             this.txtFrom.TabIndex = 4;
             // 
             // txtTo
             // 
             this.txtTo.Location = new System.Drawing.Point(47, 45);
             this.txtTo.Name = "txtTo";
-            this.txtTo.Size = new System.Drawing.Size(100, 20);
+            this.txtTo.Size = new System.Drawing.Size(95, 20);
             this.txtTo.TabIndex = 5;
             // 
-            // txtAmount
+            // numAmount
             // 
-            this.txtAmount.Location = new System.Drawing.Point(47, 71);
+            this.numAmount.Location = new System.Drawing.Point(47, 71);
-            this.txtAmount.Name = "txtAmount";
+            this.numAmount.Maximum = new decimal(new int[] {
-            this.txtAmount.Size = new System.Drawing.Size(100, 20);
+            -1,
-            this.txtAmount.TabIndex = 6;
+            2147483647,
+            0,
+            0});
+            this.numAmount.Name = "numAmount";
+            this.numAmount.Size = new System.Drawing.Size(95, 20);
+            this.numAmount.TabIndex = 7;
+            // 
+            // btnClearFrom
+            // 
+            this.btnClearFrom.Location = new System.Drawing.Point(148, 19);
+            this.btnClearFrom.Name = "btnClearFrom";
+            this.btnClearFrom.Size = new System.Drawing.Size(21, 20);
+            this.btnClearFrom.TabIndex = 8;
+            this.btnClearFrom.Text = "X";
+            this.btnClearFrom.UseVisualStyleBackColor = true;
+            this.btnClearFrom.Click += new System.EventHandler(this.btnClearFrom_Click);
+            // 
+            // btnClearTo
+            // 
+            this.btnClearTo.Location = new System.Drawing.Point(148, 45);
+            this.btnClearTo.Name = "btnClearTo";
+            this.btnClearTo.Size = new System.Drawing.Size(21, 20);
+            this.btnClearTo.TabIndex = 9;
+            this.btnClearTo.Text = "X";
+            this.btnClearTo.UseVisualStyleBackColor = true;
+            this.btnClearTo.Click += new System.EventHandler(this.btnClearTo_Click);
+            // 
+            // btnClearAmount
+            // 
+            this.btnClearAmount.Location = new System.Drawing.Point(148, 71);
+            this.btnClearAmount.Name = "btnClearAmount";
+            this.btnClearAmount.Size = new System.Drawing.Size(21, 20);
+            this.btnClearAmount.TabIndex = 10;
+            this.btnClearAmount.Text = "X";
+            this.btnClearAmount.UseVisualStyleBackColor = true;
+            this.btnClearAmount.Click += new System.EventHandler(this.btnClearAmount_Click);
+            // 
+            // lsbUsers
+            // 
+            this.lsbUsers.FormattingEnabled = true;
+            this.lsbUsers.Location = new System.Drawing.Point(243, 150);
+            this.lsbUsers.Name = "lsbUsers";
+            this.lsbUsers.Size = new System.Drawing.Size(175, 134);
+            this.lsbUsers.TabIndex = 5;
+            this.lsbUsers.MouseDoubleClick += new System.Windows.Forms.MouseEventHandler(this.lsbUsers_MouseDoubleClick);
             // 
             // FrmMain
             // 
             this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
-            this.ClientSize = new System.Drawing.Size(651, 338);
+            this.ClientSize = new System.Drawing.Size(430, 521);
+            this.Controls.Add(this.lsbUsers);
             this.Controls.Add(this.txtMinerName);
             this.Controls.Add(this.grpAddTransaction);
             this.Controls.Add(this.btnMine);
@@ -172,6 +221,7 @@
             this.Text = "BasicBlockChain";
             this.grpAddTransaction.ResumeLayout(false);
             this.grpAddTransaction.PerformLayout();
+            ((System.ComponentModel.ISupportInitialize)(this.numAmount)).EndInit();
             this.ResumeLayout(false);
             this.PerformLayout();
 
@@ -183,7 +233,6 @@
         private System.Windows.Forms.ListBox lsbPendingTransactions;
         private System.Windows.Forms.Button btnMine;
         private System.Windows.Forms.GroupBox grpAddTransaction;
-        private System.Windows.Forms.TextBox txtAmount;
         private System.Windows.Forms.TextBox txtTo;
         private System.Windows.Forms.TextBox txtFrom;
         private System.Windows.Forms.Label lblAmount;
@@ -191,5 +240,10 @@
         private System.Windows.Forms.Label lblFrom;
         private System.Windows.Forms.Button btnAdd;
         private System.Windows.Forms.TextBox txtMinerName;
+        private System.Windows.Forms.Button btnClearAmount;
+        private System.Windows.Forms.Button btnClearTo;
+        private System.Windows.Forms.Button btnClearFrom;
+        private System.Windows.Forms.NumericUpDown numAmount;
+        private System.Windows.Forms.ListBox lsbUsers;
     }
 }

BasicBlockChain/FrmMain.cs

@@ -16,12 +16,12 @@ namespace BasicBlockChain
 
         private void btnAdd_Click(object sender, EventArgs e)
         {
-            if (string.IsNullOrEmpty(txtTo.Text) || string.IsNullOrEmpty(txtFrom.Text) || string.IsNullOrEmpty(txtAmount.Text)) { return; }
+            if (string.IsNullOrEmpty(txtTo.Text) || string.IsNullOrEmpty(txtFrom.Text)) { return; }
-            long amount = Convert.ToInt64(txtAmount.Text);
+            long amount = (long)numAmount.Value;
             _nullCoin.AddTransaction(new Transaction(txtFrom.Text, txtTo.Text, amount, DateTime.UtcNow));
             txtTo.Text = string.Empty;
             txtFrom.Text = string.Empty;
-            txtAmount.Text = string.Empty;
+            numAmount.Value = 0;
             Lists_Update();
         }
 
@@ -32,6 +32,21 @@ namespace BasicBlockChain
             Lists_Update();
         }
 
+        private void btnClearFrom_Click(object sender, EventArgs e)
+        {
+            txtFrom.Text = string.Empty;
+        }
+
+        private void btnClearTo_Click(object sender, EventArgs e)
+        {
+            txtTo.Text = string.Empty;
+        }
+
+        private void btnClearAmount_Click(object sender, EventArgs e)
+        {
+            numAmount.Value = 0;
+        }
+
         private void Lists_Update()
         {
             lsbTransactions.Items.Clear();
@@ -48,11 +63,45 @@ namespace BasicBlockChain
             {
                 lsbPendingTransactions.Items.Add(Transaction_ToString(transaction));
             }
+
+            lsbUsers.Items.Clear();
+            foreach (string user in _nullCoin.Users)
+            {
+                long amount = _nullCoin.GetMicroCoinBalance(user);
+                lsbUsers.Items.Add(new Wallet { User = user, Amount = amount });
+            }
+        }
+
+        public class Wallet
+        {
+            public string User { get; set; }
+            public long Amount { get; set; }
+
+            public override string ToString()
+            {
+                return string.Format("{0} - {1}", User, Amount);
+            }
         }
 
         private string Transaction_ToString(Transaction transaction)
         {
             return string.Format("{0} - {1} - {2} - {3}", transaction.Date, transaction.Sender, transaction.Receiver, transaction.MicroCoinAmount);
         }
+
+        private void lsbUsers_MouseDoubleClick(object sender, MouseEventArgs e)
+        {
+            Wallet wallet = (Wallet)lsbUsers.SelectedItem;
+            if (wallet == null) { return; }
+            if (string.IsNullOrEmpty(txtFrom.Text))
+            {
+                txtFrom.Text = wallet.User;
+                return;
+            }
+            if (string.IsNullOrEmpty(txtTo.Text))
+            {
+                txtTo.Text = wallet.User;
+                return;
+            }
+        }
     }
 }