[net] Signal NODE_COMPACT_FILTERS if we're serving compact filters.

If -peerblockfilters is configured, signal the NODE_COMPACT_FILTERS service
bit to indicate that we are able to serve compact block filters, headers
and checkpoints.

1 files changed, 7 insertions, 5 deletions

diff --git a/src/init.cpp b/src/init.cpp
index 37e6251295..24ddaac066 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -996,11 +996,13 @@ bool AppInitParameterInteraction()
         }
     }
 
-    // Basic filters are the only supported filters. The basic filters index must be enabled
-    // to serve compact filters
-    if (gArgs.GetBoolArg("-peerblockfilters", DEFAULT_PEERBLOCKFILTERS) &&
-        g_enabled_filter_types.count(BlockFilterType::BASIC) != 1) {
-        return InitError(_("Cannot set -peerblockfilters without -blockfilterindex."));
+    // Signal NODE_COMPACT_FILTERS if peerblockfilters and basic filters index are both enabled.
+    if (gArgs.GetBoolArg("-peerblockfilters", DEFAULT_PEERBLOCKFILTERS)) {
+        if (g_enabled_filter_types.count(BlockFilterType::BASIC) != 1) {
+            return InitError(_("Cannot set -peerblockfilters without -blockfilterindex."));
+        }
+
+        nLocalServices = ServiceFlags(nLocalServices | NODE_COMPACT_FILTERS);
     }
 
     // if using block pruning, then disallow txindex