[fix] Better way to filter on duniter compatible endpoints

duniter4j-core-client/src/main/java/org/duniter/core/client/model/local/Peers.java

@@ -52,7 +52,21 @@ public final class Peers {
                hasEndPointAPI(peer, EndpointApi.BMAS);
     }
 
+    public static boolean hasWs2pEndpoint(Peer peer) {
+        return hasEndPointAPI(peer, EndpointApi.WS2P);
+    }
+
+    public static boolean hasDuniterEndpoint(Peer peer) {
+        return hasBmaEndpoint(peer) ||
+                hasWs2pEndpoint(peer);
+    }
+
     public static boolean hasEsCoreEndpoint(Peer peer) {
         return hasEndPointAPI(peer, EndpointApi.ES_CORE_API);
     }
+
+    public static boolean isReacheable(Peer peer) {
+        return peer.getStats() != null && peer.getStats().isReacheable();
+    }
+
 }

duniter4j-core-client/src/main/java/org/duniter/core/client/service/local/NetworkServiceImpl.java

@@ -239,7 +239,7 @@ public class NetworkServiceImpl extends BaseRemoteServiceImpl implements Network
         if (CollectionUtils.isEmpty(peers)) return peers;
 
         final Map<String,Long> peerCountByBuid = peers.stream()
-                .filter(peer -> peer.getStats() != null && peer.getStats().isReacheable() && Peers.hasBmaEndpoint(peer))
+                .filter(peer -> Peers.isReacheable(peer) && Peers.hasDuniterEndpoint(peer))
                 .map(Peers::buid)
                 .filter(b -> b != null)
                 .collect(Collectors.groupingBy(Function.identity(), Collectors.counting()));
@@ -266,7 +266,7 @@ public class NetworkServiceImpl extends BaseRemoteServiceImpl implements Network
                     String buid = Peers.buid(stats);
 
                     // Set consensus stats on each peers
-                    if (buid != null) {
+                    if (buid != null && Peers.hasDuniterEndpoint(peer)) {
                         boolean isMainConsensus = buid.equals(mainBuid);
                         stats.setMainConsensus(isMainConsensus);
 

duniter4j-core-shared/src/main/java/org/duniter/core/util/CollectionUtils.java

@@ -109,4 +109,12 @@ public class CollectionUtils {
         });
         return result;
     }
+
+    public static <C> Collection<C> union(Collection<C> c1, Collection<C>... cols) {
+        Collection<C> result = c1;
+        for (Collection<C> c2 : cols) {
+            result = union(result, c2);
+        }
+        return result;
+    }
 }