X-Git-Url: https://git.novaco.in/?a=blobdiff_plain;f=Novacoin%2FInterop.cs;h=55979d714e103777f76978973329f8dbacea8d80;hb=eb39142ad873e102405ceffb5ec837b510da9096;hp=e3e4e6d1c38cf12b18cfff68bc27a54c835c1474;hpb=397772c7e6df61eaf558b3502ae403b7abfd86a2;p=NovacoinLibrary.git

diff --git a/Novacoin/Interop.cs b/Novacoin/Interop.cs
index e3e4e6d..55979d7 100644
--- a/Novacoin/Interop.cs
+++ b/Novacoin/Interop.cs
@@ -22,25 +22,42 @@ using System.Text;
 
 namespace Novacoin
 {
-    public class InteropException : Exception
+    /// <summary>
+    /// Miscellaneous functions
+    /// </summary>
+    public class Interop
     {
-        public InteropException()
+        /// <summary>
+        /// Convert array of unsigned integers to array of bytes.
+        /// </summary>
+        /// <param name="values">Array of unsigned integer values.</param>
+        /// <returns>Byte array</returns>
+        public static byte[] LEBytes(uint[] values)
         {
-        }
+            var result = new byte[values.Length * sizeof(uint)];
+            Buffer.BlockCopy(values, 0, result, 0, result.Length);
 
-        public InteropException(string message)
-            : base(message)
-        {
+            return result;
         }
 
-        public InteropException(string message, Exception inner)
-            : base(message, inner)
+        /// <summary>
+        /// Convert byte array to array of unsigned integers.
+        /// </summary>
+        /// <param name="bytes">Byte array.</param>
+        /// <returns>Array of integers</returns>
+        public static uint[] ToUInt32Array(byte[] bytes)
         {
+            var result = new uint[bytes.Length / sizeof(uint)];
+            Buffer.BlockCopy(bytes, 0, result, 0, bytes.Length);
+
+            return result;
         }
-    }
 
-    public class Interop
-    {
+        /// <summary>
+        /// Reverse byte array
+        /// </summary>
+        /// <param name="source">Source array</param>
+        /// <returns>Result array</returns>
         public static byte[] ReverseBytes(byte[] source)
         {
             var b = new byte[source.Length];
@@ -52,22 +69,6 @@ namespace Novacoin
             return b;
         }
 
-        public static byte[] LEBytes(uint[] values)
-        {
-            var result = new byte[values.Length * sizeof(uint)];
-            Buffer.BlockCopy(values, 0, result, 0, result.Length);
-
-            return result;
-        }
-
-        public static uint[] ToUInt32Array(byte[] bytes)
-        {
-            var result = new uint[bytes.Length / sizeof(uint)];
-            Buffer.BlockCopy(bytes, 0, result, 0, bytes.Length);
-
-            return result;
-        }
-
         public static byte[] HexToArray(string hex)
         {
             int nChars = hex.Length;
@@ -81,7 +82,21 @@ namespace Novacoin
             return bytes;
         }
 
-        public static string ToHex(IEnumerable<byte> bytes)
+        public static byte[] TrimArray(byte[] bytes)
+        {
+            int trimStart = bytes.Length - 1;
+            while (trimStart >= 0 && bytes[trimStart] == 0)
+            {
+                trimStart--;
+            }
+
+            byte[] result = new byte[trimStart + 1];
+            Array.Copy(bytes, 0, result, 0, trimStart + 1);
+
+            return result;
+        }
+
+        public static string ToHex(byte[] bytes)
         {
             var sb = new StringBuilder();
             foreach (var b in bytes)
@@ -90,5 +105,10 @@ namespace Novacoin
             }
             return sb.ToString();
         }
+
+        public static uint GetTime()
+        {
+            return (uint)(DateTime.UtcNow - new DateTime(1970, 1, 1)).TotalSeconds;
+        }
     }
 }