From fe72abe8fcbba35ac836c41f36bf120ed3dc5ced Mon Sep 17 00:00:00 2001
From: Andreas Schildbach <andreas.schildbach@bloq.com>
Date: Sun, 4 Dec 2022 13:26:45 +0100
Subject: [PATCH] SeedPeers: don't throw in getPeers() if service bit filtering
 is used

This brings SeedPeers more in line with the other peer discoveries. There
is no guarantee for filtering.
---
 .../java/org/bitcoinj/net/discovery/SeedPeers.java    | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/core/src/main/java/org/bitcoinj/net/discovery/SeedPeers.java b/core/src/main/java/org/bitcoinj/net/discovery/SeedPeers.java
index 8cc9e5625..9eb4b7787 100644
--- a/core/src/main/java/org/bitcoinj/net/discovery/SeedPeers.java
+++ b/core/src/main/java/org/bitcoinj/net/discovery/SeedPeers.java
@@ -18,6 +18,8 @@ package org.bitcoinj.net.discovery;
 
 import org.bitcoinj.base.utils.ByteUtils;
 import org.bitcoinj.core.NetworkParameters;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 import javax.annotation.Nullable;
 import java.net.InetAddress;
@@ -37,6 +39,8 @@ public class SeedPeers implements PeerDiscovery {
     private int[] seedAddrs;
     private int pnseedIndex;
 
+    private static final Logger log = LoggerFactory.getLogger(SeedPeers.class);
+
     /**
      * Supports finding peers by IP addresses
      *
@@ -85,11 +89,16 @@ public class SeedPeers implements PeerDiscovery {
 
     /**
      * Returns all the Bitcoin nodes within the list.
+     *
+     * @param services     ignored
+     * @param timeoutValue ignored
+     * @param timeoutUnit  ignored
+     * @return the pre-determined list of peers
      */
     @Override
     public List<InetSocketAddress> getPeers(long services, long timeoutValue, TimeUnit timeoutUnit) throws PeerDiscoveryException {
         if (services != 0)
-            throw new PeerDiscoveryException("Pre-determined peers cannot be filtered by services: " + services);
+            log.info("Pre-determined peers cannot be filtered by services: {}", services);
         try {
             return allPeers();
         } catch (UnknownHostException e) {