cli: fix Fatal LevelDB error when specifying -blockfilterindex=basic twice

1 files changed, 3 insertions, 3 deletions

diff --git a/src/init.cpp b/src/init.cpp
index e7dda59590..9c91c93e65 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -58,6 +58,7 @@
 
 #include <stdint.h>
 #include <stdio.h>
+#include <set>
 
 #ifndef WIN32
 #include <attributes.h>
@@ -846,7 +847,7 @@ int nUserMaxConnections;
 int nFD;
 ServiceFlags nLocalServices = ServiceFlags(NODE_NETWORK | NODE_NETWORK_LIMITED);
 int64_t peer_connect_timeout;
-std::vector<BlockFilterType> g_enabled_filter_types;
+std::set<BlockFilterType> g_enabled_filter_types;
 
 } // namespace
 
@@ -934,13 +935,12 @@ bool AppInitParameterInteraction()
         g_enabled_filter_types = AllBlockFilterTypes();
     } else if (blockfilterindex_value != "0") {
         const std::vector<std::string> names = gArgs.GetArgs("-blockfilterindex");
-        g_enabled_filter_types.reserve(names.size());
         for (const auto& name : names) {
             BlockFilterType filter_type;
             if (!BlockFilterTypeByName(name, filter_type)) {
                 return InitError(strprintf(_("Unknown -blockfilterindex value %s.").translated, name));
             }
-            g_enabled_filter_types.push_back(filter_type);
+            g_enabled_filter_types.insert(filter_type);
         }
     }