From 02597dd9653ab1216b54d6cbfb37036f13b7a827 Mon Sep 17 00:00:00 2001
From: Erik Zhang <erik@vcage.com>
Date: Sun, 23 Oct 2016 02:30:03 +0800
Subject: [PATCH] export keys in cli;

---
 AntSharesCore/Core/RegisterTransaction.cs |  4 +-
 AntSharesDaemon/Shell/MainService.cs      | 70 +++++++++++++++++++++++
 AntSharesUI/UI/AssetRegisterDialog.cs     |  4 +-
 3 files changed, 73 insertions(+), 5 deletions(-)

diff --git a/AntSharesCore/Core/RegisterTransaction.cs b/AntSharesCore/Core/RegisterTransaction.cs
index 7b2c689211..f89582a3ac 100644
--- a/AntSharesCore/Core/RegisterTransaction.cs
+++ b/AntSharesCore/Core/RegisterTransaction.cs
@@ -79,12 +79,12 @@ protected override void DeserializeExclusiveData(BinaryReader reader)
             Name = reader.ReadVarString();
             Amount = reader.ReadSerializable<Fixed8>();
             if (Amount == Fixed8.Zero || Amount < -Fixed8.Satoshi) throw new FormatException();
-            if (AssetType == AssetType.Share && Amount <= Fixed8.Zero)
-                throw new FormatException();
             if (AssetType == AssetType.Invoice && Amount != -Fixed8.Satoshi)
                 throw new FormatException();
             Precision = reader.ReadByte();
             if (Precision > 8) throw new FormatException();
+            if (AssetType == AssetType.Share && Precision != 0)
+                throw new FormatException();
             Issuer = ECPoint.DeserializeFrom(reader, ECCurve.Secp256r1);
             Admin = reader.ReadSerializable<UInt160>();
         }
diff --git a/AntSharesDaemon/Shell/MainService.cs b/AntSharesDaemon/Shell/MainService.cs
index a2705a921f..6e8aaa5337 100644
--- a/AntSharesDaemon/Shell/MainService.cs
+++ b/AntSharesDaemon/Shell/MainService.cs
@@ -30,6 +30,8 @@ protected override bool OnCommand(string[] args)
             {
                 case "create":
                     return OnCreateCommand(args);
+                case "export":
+                    return OnExportCommand(args);
                 case "help":
                     return OnHelpCommand(args);
                 case "import":
@@ -119,6 +121,73 @@ private bool OnCreateWalletCommand(string[] args)
             return true;
         }
 
+        private bool OnExportCommand(string[] args)
+        {
+            switch (args[1].ToLower())
+            {
+                case "key":
+                    return OnExportKeyCommand(args);
+                default:
+                    return base.OnCommand(args);
+            }
+        }
+
+        private bool OnExportKeyCommand(string[] args)
+        {
+            if (Program.Wallet == null)
+            {
+                Console.WriteLine("You have to open the wallet first.");
+                return true;
+            }
+            if (args.Length < 2 || args.Length > 4)
+            {
+                Console.WriteLine("error");
+                return true;
+            }
+            UInt160 scriptHash = null;
+            string path = null;
+            if (args.Length == 3)
+            {
+                try
+                {
+                    scriptHash = Wallet.ToScriptHash(args[2]);
+                }
+                catch (FormatException)
+                {
+                    path = args[2];
+                }
+            }
+            else if (args.Length == 4)
+            {
+                scriptHash = Wallet.ToScriptHash(args[2]);
+                path = args[3];
+            }
+            using (SecureString password = ReadSecureString("password"))
+            {
+                if (password.Length == 0)
+                {
+                    Console.WriteLine("cancelled");
+                    return true;
+                }
+                if (!Program.Wallet.VerifyPassword(password))
+                {
+                    Console.WriteLine("Incorrect password");
+                    return true;
+                }
+            }
+            IEnumerable<Account> accounts;
+            if (scriptHash == null)
+                accounts = Program.Wallet.GetAccounts();
+            else
+                accounts = new[] { Program.Wallet.GetAccountByScriptHash(scriptHash) };
+            if (path == null)
+                foreach (Account account in accounts)
+                    Console.WriteLine(account.Export());
+            else
+                File.WriteAllLines(path, accounts.Select(p => p.Export()));
+            return true;
+        }
+
         private bool OnHelpCommand(string[] args)
         {
             Console.Write(
@@ -136,6 +205,7 @@ private bool OnHelpCommand(string[] args)
                 "\tlist asset\n" +
                 "\tcreate address [n=1]\n" +
                 "\timport key <wif|path>\n" +
+                "\texport key [address] [path]\n" +
                 "\tsend <id|alias> <address> <value> [fee=0]\n" +
                 "Node Commands:\n" +
                 "\tshow state\n" +
diff --git a/AntSharesUI/UI/AssetRegisterDialog.cs b/AntSharesUI/UI/AssetRegisterDialog.cs
index 9e3e78aca2..d8a8d7c501 100644
--- a/AntSharesUI/UI/AssetRegisterDialog.cs
+++ b/AntSharesUI/UI/AssetRegisterDialog.cs
@@ -22,7 +22,7 @@ public RegisterTransaction GetTransaction()
                 AssetType = (AssetType)comboBox1.SelectedItem,
                 Name = (AssetType)comboBox1.SelectedItem == AssetType.Share ? string.Empty : $"[{{\"lang\":\"{CultureInfo.CurrentCulture.Name}\",\"name\":\"{textBox1.Text}\"}}]",
                 Amount = checkBox1.Checked ? Fixed8.Parse(textBox2.Text) : -Fixed8.Satoshi,
-                Precision = 8,
+                Precision = (AssetType)comboBox1.SelectedItem == AssetType.Share ? (byte)0 : (byte)8,
                 Issuer = (ECPoint)comboBox2.SelectedItem,
                 Admin = Wallet.ToScriptHash(comboBox3.Text),
                 Outputs = new TransactionOutput[0]
@@ -39,8 +39,6 @@ private void AssetRegisterDialog_Load(object sender, EventArgs e)
         private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
         {
             textBox1.Enabled = (AssetType)comboBox1.SelectedItem != AssetType.Share;
-            checkBox1.Enabled = (AssetType)comboBox1.SelectedItem == AssetType.Token;
-            if ((AssetType)comboBox1.SelectedItem == AssetType.Share) checkBox1.Checked = true;
         }
 
         private void checkBox1_CheckedChanged(object sender, EventArgs e)