From 91f4c7f45f794fc7bee99356e56853369c98c410 Mon Sep 17 00:00:00 2001
From: moneromooo-monero <moneromooo-monero@users.noreply.github.com>
Date: Thu, 31 Jan 2019 10:44:08 +0000
Subject: Make difficulty 128 bit instead of 64 bit

Based on Boolberry work by:
  jahrsg <jahr@jahr.me>
  cr.zoidberg <crypto.zoidberg@gmail.com>
---
 tests/hash-target.cpp | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

(limited to 'tests/hash-target.cpp')

diff --git a/tests/hash-target.cpp b/tests/hash-target.cpp
index 70368ce24..12acc5a67 100644
--- a/tests/hash-target.cpp
+++ b/tests/hash-target.cpp
@@ -40,7 +40,7 @@ using cryptonote::check_hash;
 
 int main(int argc, char *argv[]) {
   crypto::hash h;
-  for (uint64_t diff = 1;; diff += 1 + (diff >> 8)) {
+  for (cryptonote::difficulty_type diff = 1;; diff += 1 + (diff >> 8)) {
     for (uint16_t b = 0; b < 256; b++) {
       memset(&h, b, sizeof(crypto::hash));
       if (check_hash(h, diff) != (b == 0 || diff <= 255 / b)) {
@@ -50,7 +50,7 @@ int main(int argc, char *argv[]) {
         memset(&h, 0, sizeof(crypto::hash));
         ((char *) &h)[31] = b;
         if (check_hash(h, diff) != (diff <= 255 / b)) {
-          return 1;
+          return 2;
         }
       }
     }
@@ -58,11 +58,11 @@ int main(int argc, char *argv[]) {
       uint64_t val = 0;
       for (int i = 31; i >= 0; i--) {
         val = val * 256 + 255;
-        ((char *) &h)[i] = static_cast<char>(val / diff);
-        val %= diff;
+        ((char *) &h)[i] = static_cast<char>(static_cast<uint64_t>(val / diff));
+        val %= diff.convert_to<uint64_t>();
       }
       if (check_hash(h, diff) != true) {
-        return 1;
+        return 3;
       }
       if (diff > 1) {
         for (int i = 0;; i++) {
@@ -74,7 +74,7 @@ int main(int argc, char *argv[]) {
           }
         }
         if (check_hash(h, diff) != false) {
-          return 1;
+          return 4;
         }
       }
     }
-- 
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