From 975d1cfb855777d6c04a7827d8417004633441f1 Mon Sep 17 00:00:00 2001
From: CryptoManiac <balthazar.ad@gmail.com>
Date: Tue, 1 Sep 2015 18:09:47 +0300
Subject: [PATCH] stubs for uint256/uint160

---
 Novacoin/Novacoin.csproj |    3 +
 Novacoin/base_uint.cs    |   96 ++++++++++++++++++++++++++++++++++++++++++++++
 Novacoin/uint160.cs      |   12 ++++++
 Novacoin/uint256.cs      |   12 ++++++
 4 files changed, 123 insertions(+), 0 deletions(-)
 create mode 100644 Novacoin/base_uint.cs
 create mode 100644 Novacoin/uint160.cs
 create mode 100644 Novacoin/uint256.cs

diff --git a/Novacoin/Novacoin.csproj b/Novacoin/Novacoin.csproj
index 6d483af..59481ac 100644
--- a/Novacoin/Novacoin.csproj
+++ b/Novacoin/Novacoin.csproj
@@ -107,6 +107,7 @@
   </ItemGroup>
   <ItemGroup>
     <Compile Include="AddressTools.cs" />
+    <Compile Include="base_uint.cs" />
     <Compile Include="InstructionQueue.cs" />
     <Compile Include="CBlockStore.cs" />
     <Compile Include="CKey.cs" />
@@ -125,6 +126,8 @@
     <Compile Include="ScryptHash256.cs" />
     <Compile Include="SHA1.cs" />
     <Compile Include="SHA256.cs" />
+    <Compile Include="uint160.cs" />
+    <Compile Include="uint256.cs" />
     <Compile Include="VarInt.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="CTxIn.cs" />
diff --git a/Novacoin/base_uint.cs b/Novacoin/base_uint.cs
new file mode 100644
index 0000000..287be58
--- /dev/null
+++ b/Novacoin/base_uint.cs
@@ -0,0 +1,96 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Novacoin
+{
+    public class base_uint
+    {
+        protected uint nWidth;
+        protected uint[] pn;
+
+        public static bool operator !(base_uint a)
+        {
+            for (int i = 0; i < a.nWidth; i++)
+            {
+                if (a.pn[i] != 0)
+                {
+                    return false;
+                }
+            }
+            return true;
+        }
+
+        public static base_uint operator ~(base_uint a)
+        {
+            var ret = new base_uint();
+            for (int i = 0; i < a.nWidth; i++)
+            {
+                ret.pn[i] = ~a.pn[i];
+            }
+            return ret;
+        }
+
+        public static base_uint operator -(base_uint a)
+        {
+            var ret = new base_uint();
+            for (int i = 0; i < a.nWidth; i++)
+            {
+                ret.pn[i] = ~a.pn[i];
+            }
+            ret++;
+            return ret;
+        }
+
+        public static base_uint operator ++(base_uint a)
+        {
+            // prefix operator
+            int i = 0;
+            while (++a.pn[i] == 0 && i < a.nWidth - 1)
+            {
+                i++;
+            }
+            return a;
+        }
+
+        public static base_uint operator --(base_uint a)
+        {
+            // prefix operator
+            int i = 0;
+            while (--a.pn[i] == uint.MaxValue && i < a.nWidth - 1)
+            {
+                i++;
+            }
+            return a;
+        }
+
+        public static base_uint operator ^(base_uint a, base_uint b)
+        {
+            var c = new base_uint();
+            c.pn = new uint[a.nWidth];
+            for (int i = 0; i < c.nWidth; i++)
+            {
+                c.pn[i] = a.pn[i] ^ b.pn[i];
+            }
+            return c;
+        }
+
+        public static base_uint operator +(base_uint a, base_uint b)
+        {
+            var result = new base_uint();
+            ulong carry = 0;
+            for (int i = 0; i < result.nWidth; i++)
+            {
+                ulong n = carry + a.pn[i] + b.pn[i];
+                result.pn[i] = (uint)(n & 0xffffffff);
+                carry = n >> 32;
+            }
+            return result;
+        }
+
+
+
+    }
+}
diff --git a/Novacoin/uint160.cs b/Novacoin/uint160.cs
new file mode 100644
index 0000000..26e1dd9
--- /dev/null
+++ b/Novacoin/uint160.cs
@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Novacoin
+{
+    public class uint160 : base_uint
+    {
+    }
+}
diff --git a/Novacoin/uint256.cs b/Novacoin/uint256.cs
new file mode 100644
index 0000000..8ce6b97
--- /dev/null
+++ b/Novacoin/uint256.cs
@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Novacoin
+{
+    public class uint256 : base_uint
+    {
+    }
+}
-- 
1.7.1