Get rid of HexToList and HexToEnumerable functions

[NovacoinLibrary.git] / Novacoin / Interop.cs

diff --git a/Novacoin/Interop.cs b/Novacoin/Interop.cs
index 1008392..9f1b425 100644 (file)
--- a/Novacoin/Interop.cs
+++ b/Novacoin/Interop.cs
@@ -1,8 +1,24 @@
-\feffusing System;
+\feff/**
+ *  Novacoin classes library
+ *  Copyright (C) 2015 Alex D. (balthazar.ad@gmail.com)
+
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Affero General Public License as
+ *  published by the Free Software Foundation, either version 3 of the
+ *  License, or (at your option) any later version.
+
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Affero General Public License for more details.
+
+ *  You should have received a copy of the GNU Affero General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+using System;
 using System.Collections.Generic;
-using System.Linq;
 using System.Text;
-using System.Threading.Tasks;
 
 namespace Novacoin
 {
@@ -23,125 +39,120 @@ namespace Novacoin
         }
     }
 
-    class Interop
+    public class Interop
     {
-        public static byte[] LEBytes(ushort n)
+        public static byte[] ReverseBytes(byte[] source)
         {
-            byte[] resultBytes = BitConverter.GetBytes(n);
+            var b = new byte[source.Length];
 
-            if (!BitConverter.IsLittleEndian)
-            {
-                Array.Reverse(resultBytes);
-            }
+            source.CopyTo(b, 0);
 
-            return resultBytes;
+            Array.Reverse(b);
+
+            return b;
         }
 
-        public static byte[] LEBytes(uint n)
+        public static byte[] LEBytes(uint[] values)
         {
-            byte[] resultBytes = BitConverter.GetBytes(n);
-
-            if (!BitConverter.IsLittleEndian)
-            {
-                Array.Reverse(resultBytes);
-            }
+            var result = new byte[values.Length * sizeof(uint)];
+            Buffer.BlockCopy(values, 0, result, 0, result.Length);
 
-            return resultBytes;
+            return result;
         }
 
-        public static byte[] LEBytes(ulong n)
+        public static uint[] ToUInt32Array(byte[] bytes)
         {
-            byte[] resultBytes = BitConverter.GetBytes(n);
+            var result = new uint[bytes.Length / sizeof(uint)];
+            Buffer.BlockCopy(bytes, 0, result, 0, bytes.Length);
 
-            if (!BitConverter.IsLittleEndian)
-            {
-                Array.Reverse(resultBytes);
-            }
-
-            return resultBytes;
+            return result;
         }
 
         public static byte[] BEBytes(ushort n)
         {
-            byte[] resultBytes = BitConverter.GetBytes(n);
+            var resultBytes = BitConverter.GetBytes(n);
 
-            if (BitConverter.IsLittleEndian)
-            {
-                Array.Reverse(resultBytes);
-            }
+            Array.Reverse(resultBytes);
 
             return resultBytes;
         }
 
         public static byte[] BEBytes(uint n)
         {
-            byte[] resultBytes = BitConverter.GetBytes(n);
+            var resultBytes = BitConverter.GetBytes(n);
 
-            if (BitConverter.IsLittleEndian)
-            {
-                Array.Reverse(resultBytes);
-            }
+            Array.Reverse(resultBytes);
 
             return resultBytes;
         }
 
         public static byte[] BEBytes(ulong n)
         {
-            byte[] resultBytes = BitConverter.GetBytes(n);
+            var resultBytes = BitConverter.GetBytes(n);
 
-            if (BitConverter.IsLittleEndian)
-            {
-                Array.Reverse(resultBytes);
-            }
+            Array.Reverse(resultBytes);
 
             return resultBytes;
         }
 
-        public static ushort LEBytesToUInt16(byte[] bytes)
+
+        public static ushort BEBytesToUInt16(byte[] bytes)
         {
             if (bytes.Length != sizeof(ushort))
             {
                 throw new InteropException("Array size doesn't match the ushort data type.");
             }
 
-            if (!BitConverter.IsLittleEndian)
-            {
-                Array.Reverse(bytes);
-            }
+            Array.Reverse(bytes);
 
             return BitConverter.ToUInt16(bytes, 0);
         }
 
-        public static uint LEBytesToUInt32(byte[] bytes)
+        public static uint BEBytesToUInt32(byte[] bytes)
         {
-            if (bytes.Length != sizeof(ushort))
+            if (bytes.Length != sizeof(uint))
             {
                 throw new InteropException("Array size doesn't match the uint data type.");
             }
 
-            if (!BitConverter.IsLittleEndian)
-            {
-                Array.Reverse(bytes);
-            }
+            Array.Reverse(bytes);
 
             return BitConverter.ToUInt32(bytes, 0);
         }
 
-        public static ulong LEBytesToUInt64(byte[] bytes)
+        public static ulong BEBytesToUInt64(byte[] bytes)
         {
-            if (bytes.Length != sizeof(ushort))
+            if (bytes.Length != sizeof(ulong))
             {
                 throw new InteropException("Array size doesn't match the ulong data type.");
             }
 
-            if (!BitConverter.IsLittleEndian)
-            {
-                Array.Reverse(bytes);
-            }
+            Array.Reverse(bytes);
 
             return BitConverter.ToUInt64(bytes, 0);
         }
 
+        public static byte[] HexToArray(string hex)
+        {
+            int nChars = hex.Length;
+            var bytes = new byte[nChars / 2];
+
+            for (int i = 0; i < nChars; i += 2)
+            {
+                bytes[i / 2] = Convert.ToByte(hex.Substring(i, 2), 16);
+            }
+
+            return bytes;
+        }
 
+        public static string ToHex(IEnumerable<byte> bytes)
+        {
+            var sb = new StringBuilder();
+            foreach (var b in bytes)
+            {
+                sb.AppendFormat("{0:x2}", b);
+            }
+            return sb.ToString();
+        }
     }
 }