display only peers ready for requets on ethstats (hyperledger#5880)

* display only ready for requets peers in ethstats

Signed-off-by: Karim TAAM <karim.t2am@gmail.com>

* cast to int

Signed-off-by: Sally MacFarlane <macfarla.github@gmail.com>

---------

Signed-off-by: Karim TAAM <karim.t2am@gmail.com>
Signed-off-by: Sally MacFarlane <macfarla.github@gmail.com>
Co-authored-by: Sally MacFarlane <macfarla.github@gmail.com>
Co-authored-by: Stefan Pingel <16143240+pinges@users.noreply.github.com>

ethereum/ethstats/src/main/java/org/hyperledger/besu/ethstats/EthStatsService.java

@@ -424,7 +424,9 @@ private void sendNodeStatsReport() {
     final boolean isSyncing = syncState.isInSync();
     final long gasPrice = suggestGasPrice(blockchainQueries.getBlockchain().getChainHeadBlock());
     final long hashrate = miningCoordinator.hashesPerSecond().orElse(0L);
-    final int peersNumber = protocolManager.ethContext().getEthPeers().peerCount();
+    // safe to cast to int since it isn't realistic to have more than max int peers
+    final int peersNumber =
+        (int) protocolManager.ethContext().getEthPeers().streamAvailablePeers().count();
 
     final NodeStatsReport nodeStatsReport =
         ImmutableNodeStatsReport.builder()