const variant

[novacoin.git] / src / bignum.h

diff --git a/src/bignum.h b/src/bignum.h
index f1ec8d4..acba29a 100644 (file)
--- a/src/bignum.h
+++ b/src/bignum.h
@@ -59,18 +59,22 @@ public:
 
     CBigNum(const CBigNum& b)
     {
-        bn = BN_new();
-        if (!BN_copy(bn, b.bn))
+        BIGNUM *dup = BN_dup(b.bn);
+        if (!dup)
         {
-            BN_clear_free(bn);
-            throw bignum_error("CBigNum::CBigNum(const CBigNum&) : BN_copy failed");
+            throw bignum_error("CBigNum::CBigNum(const CBigNum&) : BN_dup failed");
         }
+        bn = dup;
     }
 
     CBigNum& operator=(const CBigNum& b)
     {
-        if (!BN_copy(bn, b.bn))
-            throw bignum_error("CBigNum::operator= : BN_copy failed");
+        BIGNUM *dup = BN_dup(b.bn);
+        if (!dup)
+        {
+            throw bignum_error("CBigNum::operator= : BN_dup failed");
+        }
+        bn = dup;
         return (*this);
     }
 
@@ -464,7 +468,11 @@ public:
         return ToString(16);
     }
 
-    BIGNUM* get() const {
+    const BIGNUM* get() const {
+        return bn;
+    }
+
+    BIGNUM* get() {
         return bn;
     }