1 files changed, 2 insertions, 5 deletions
diff --git a/src/uint256.cpp b/src/uint256.cpp
index bd3d017085..736a0d4fe2 100644
--- a/src/uint256.cpp
+++ b/src/uint256.cpp
@@ -14,16 +14,13 @@ template <unsigned int BITS>
 base_blob<BITS>::base_blob(const std::vector<unsigned char>& vch)
 {
     assert(vch.size() == sizeof(data));
-    memcpy(data, &vch[0], sizeof(data));
+    memcpy(data, vch.data(), sizeof(data));
 }
 
 template <unsigned int BITS>
 std::string base_blob<BITS>::GetHex() const
 {
-    char psz[sizeof(data) * 2 + 1];
-    for (unsigned int i = 0; i < sizeof(data); i++)
-        sprintf(psz + i * 2, "%02x", data[sizeof(data) - i - 1]);
-    return std::string(psz, psz + sizeof(data) * 2);
+    return HexStr(std::reverse_iterator<const uint8_t*>(data + sizeof(data)), std::reverse_iterator<const uint8_t*>(data));
 }
 
 template <unsigned int BITS>