X-Git-Url: https://git.novaco.in/?a=blobdiff_plain;f=src%2Fbignum.h;h=f09c4aaf31dd074c8a409399eca7783b8a0c4746;hb=0561bbd1c69263dceb24ffacf850788e6e961a13;hp=307017b0ab7a9e2b86c4240af1e08d326c8a9d0a;hpb=e10622d1297e638109bbf58c35ad008f7acbae7c;p=novacoin.git

diff --git a/src/bignum.h b/src/bignum.h
index 307017b..f09c4aa 100644
--- a/src/bignum.h
+++ b/src/bignum.h
@@ -184,6 +184,21 @@ public:
         BN_mpi2bn(pch, p - pch, this);
     }
 
+    uint64 getuint64()
+    {
+        unsigned int nSize = BN_bn2mpi(this, NULL);
+        if (nSize < 4)
+            return 0;
+        std::vector<unsigned char> vch(nSize);
+        BN_bn2mpi(this, &vch[0]);
+        if (vch.size() > 4)
+            vch[4] &= 0x7f;
+        uint64 n = 0;
+        for (int i = 0, j = vch.size()-1; i < sizeof(n) && j >= 4; i++, j--)
+            ((unsigned char*)&n)[i] = vch[j];
+        return n;
+    }
+
     void setuint256(uint256 n)
     {
         unsigned char pch[sizeof(n) + 6];