From f1f81400490d722800599d9112e0b8e91a2b7d30 Mon Sep 17 00:00:00 2001
From: Erik Zhang <erik@vcage.com>
Date: Fri, 21 Jul 2017 15:55:28 +0800
Subject: [PATCH] set minimum fee for contract to 1 gas

---
 neo-gui/UI/InvokeContractDialog.cs | 2 +-
 neo-gui/UI/MainForm.cs             | 9 ++++++++-
 neo-gui/UI/VotingDialog.cs         | 6 ++----
 3 files changed, 11 insertions(+), 6 deletions(-)

diff --git a/neo-gui/UI/InvokeContractDialog.cs b/neo-gui/UI/InvokeContractDialog.cs
index 54fcfc9d..5341a655 100644
--- a/neo-gui/UI/InvokeContractDialog.cs
+++ b/neo-gui/UI/InvokeContractDialog.cs
@@ -145,7 +145,7 @@ private void button5_Click(object sender, EventArgs e)
             if (engine.Execute())
             {
                 tx.Gas = engine.GasConsumed - Fixed8.FromDecimal(10);
-                if (tx.Gas < Fixed8.Zero) tx.Gas = Fixed8.Zero;
+                if (tx.Gas < Fixed8.One) tx.Gas = Fixed8.One;
                 tx.Gas = tx.Gas.Ceiling();
                 label7.Text = tx.Gas + " gas";
                 button3.Enabled = true;
diff --git a/neo-gui/UI/MainForm.cs b/neo-gui/UI/MainForm.cs
index 41fa08e5..0f3e6dd9 100644
--- a/neo-gui/UI/MainForm.cs
+++ b/neo-gui/UI/MainForm.cs
@@ -781,12 +781,19 @@ private void viewContractToolStripMenuItem_Click(object sender, EventArgs e)
 
         private void voteToolStripMenuItem_Click(object sender, EventArgs e)
         {
+            InvocationTransaction tx;
             Contract contract = (Contract)listView1.SelectedItems[0].Tag;
             using (VotingDialog dialog = new VotingDialog(contract.ScriptHash))
             {
                 if (dialog.ShowDialog() != DialogResult.OK) return;
-                Helper.SignAndShowInformation(dialog.GetTransaction());
+                tx = dialog.GetTransaction();
             }
+            using (InvokeContractDialog dialog = new InvokeContractDialog(tx))
+            {
+                if (dialog.ShowDialog() != DialogResult.OK) return;
+                tx = dialog.GetTransaction();
+            }
+            Helper.SignAndShowInformation(tx);
         }
 
         private void 复制到剪贴板CToolStripMenuItem_Click(object sender, EventArgs e)
diff --git a/neo-gui/UI/VotingDialog.cs b/neo-gui/UI/VotingDialog.cs
index 7ced6d45..af89a7b5 100644
--- a/neo-gui/UI/VotingDialog.cs
+++ b/neo-gui/UI/VotingDialog.cs
@@ -21,11 +21,9 @@ public InvocationTransaction GetTransaction()
                 sb.EmitPush(script_hash.ToArray());
                 sb.EmitSysCall("Neo.Blockchain.GetAccount");
                 sb.EmitSysCall("Neo.Account.SetVotes");
-                return Program.CurrentWallet.MakeTransaction(new InvocationTransaction
+                return new InvocationTransaction
                 {
-                    Version = 1,
                     Script = sb.ToArray(),
-                    Gas = Fixed8.Zero,
                     Attributes = new[]
                     {
                         new TransactionAttribute
@@ -34,7 +32,7 @@ public InvocationTransaction GetTransaction()
                             Data = script_hash.ToArray()
                         }
                     }
-                }, fee: Fixed8.One);
+                };
             }
         }