pht: a Key is rather map str:Blob not str:Prefix

include/opendht/indexation/pht.h

@@ -150,7 +150,7 @@ public:
      */
     static constexpr const size_t MAX_NODE_ENTRY_COUNT {16};
 
-    using Key = std::map<std::string, Prefix>;
+    using Key = std::map<std::string, Blob>;
 
     using LookupCallback = std::function<void(std::vector<std::shared_ptr<Value>>& values, Prefix p)>;
     typedef void (*LookupCallbackRaw)(std::vector<std::shared_ptr<Value>>* values, Prefix* p, void *user_data);

tools/tools_common.h

@@ -161,7 +161,7 @@ dht::indexation::Pht::Key createPhtKey(std::map<std::string, std::string> pht_ke
     dht::indexation::Pht::Key pht_key;
     for (auto f : pht_key_str_map) {
         dht::Blob prefix {f.second.begin(), f.second.end()};
-        pht_key.emplace(f.first, prefix);
+        pht_key.emplace(f.first, std::move(prefix));
     }
     return pht_key;
 }