From 7b35aa206589e5d5f68dead1d09540c7982271d7 Mon Sep 17 00:00:00 2001
From: DeckerSU <support@decker.su>
Date: Mon, 22 Jul 2019 04:35:17 +0300
Subject: [PATCH] payments cc fix

---
 src/cc/payments.cpp | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/src/cc/payments.cpp b/src/cc/payments.cpp
index 17507a80e..e329ff5bf 100644
--- a/src/cc/payments.cpp
+++ b/src/cc/payments.cpp
@@ -75,6 +75,36 @@
  
 */
 
+// payments cc fix
+#if (defined(WIN32) || defined(WIN64) || defined(_MSC_VER) || defined(_WIN32))
+    #undef mpz_set_si
+    #undef mpz_get_si
+    #define GMP_LIMB_HIGHBIT ((mp_limb_t) 1 << (GMP_LIMB_BITS - 1))
+    #define GMP_NEG_CAST(T,x) (-(int64_t)((T)((x) + 1) - 1))
+
+    int64_t mpz_get_si (const mpz_t u) 
+        {
+        mp_size_t us = u->_mp_size;
+        if (us > 0)
+            return (int64_t) (u->_mp_d[0] & ~GMP_LIMB_HIGHBIT);
+        else if (us < 0)
+            return (int64_t) (- u->_mp_d[0] | GMP_LIMB_HIGHBIT);
+        else
+            return 0;
+    }
+
+    void mpz_set_si (mpz_t r, int64_t x)
+    {
+        if (x >= 0)
+            mpz_set_ui (r, x);
+        else /* (x < 0) */
+        {
+            r->_mp_size = -1;
+            r->_mp_d[0] = GMP_NEG_CAST (uint64_t, x);
+        }
+    }
+#endif
+
 // start of consensus code
 
 CScript EncodePaymentsTxidOpRet(int64_t allocation,std::vector<uint8_t> scriptPubKey,std::vector<uint8_t> destopret)