From cbf3224180380d7ff2b4fc28b3800486f22a1cc7 Mon Sep 17 00:00:00 2001
From: moneromooo-monero <moneromooo-monero@users.noreply.github.com>
Date: Fri, 5 Apr 2019 16:28:15 +0000
Subject: rpc: make wide_difficulty hexadecimal

This should be friendlier for clients which don't have bignum support
---
 src/cryptonote_basic/difficulty.cpp | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

(limited to 'src/cryptonote_basic/difficulty.cpp')

diff --git a/src/cryptonote_basic/difficulty.cpp b/src/cryptonote_basic/difficulty.cpp
index 5162e53e6..859173aa5 100644
--- a/src/cryptonote_basic/difficulty.cpp
+++ b/src/cryptonote_basic/difficulty.cpp
@@ -239,4 +239,19 @@ namespace cryptonote {
     return res.convert_to<difficulty_type>();
   }
 
+  std::string hex(difficulty_type v)
+  {
+    static const char chars[] = "0123456789abcdef";
+    std::string s;
+    while (v > 0)
+    {
+      s.push_back(chars[(v & 0xf).convert_to<unsigned>()]);
+      v >>= 4;
+    }
+    if (s.empty())
+      s += "0";
+    std::reverse(s.begin(), s.end());
+    return "0x" + s;
+  }
+
 }
-- 
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