Correct calculation of modifier checksums.

[NovacoinLibrary.git] / Novacoin / uint256.cs

diff --git a/Novacoin/uint256.cs b/Novacoin/uint256.cs
index 86d0e49..856dbdc 100644 (file)
--- a/Novacoin/uint256.cs
+++ b/Novacoin/uint256.cs
@@ -103,11 +103,11 @@ namespace Novacoin
                 int nSize = (bits + 7) / 8;
                 uint nCompact = 0;
                 if (nSize <= 3)
-                    nCompact = ((uint)Low64) << 8 * (3 - nSize);
+                    nCompact = Low32 << 8 * (3 - nSize);
                 else
                 {
                     uint256 bn = this >> 8 * (nSize - 3);
-                    nCompact = (uint)bn.Low64;
+                    nCompact = bn.Low32;
                 }
 
                 if ((nCompact & 0x00800000) != 0)
@@ -270,7 +270,7 @@ namespace Novacoin
             return result;
         }
 
-        public static uint256 operator *(uint256 a, uint b)
+        public static uint256 operator *(uint256 a, ulong b)
         {
             var result = new uint256();
 
@@ -279,7 +279,7 @@ namespace Novacoin
 
             do
             {
-                c += a.pn[i] * (ulong)b;
+                c += a.pn[i] * b;
                 result.pn[i] = (uint)c;
                 c >>= 32;
             } while (++i < result.nWidth);
@@ -312,7 +312,7 @@ namespace Novacoin
                     return b;
                 }
 
-                return a * b.pn[0];
+                return b * a.pn[0];
             }
 
             int m = a.bits / 32 + (a.bits % 32 != 0 ? 1 : 0);