From 0cce51cb8350ff6a9dc5cd15cf62ca7139b98de0 Mon Sep 17 00:00:00 2001
From: Andreas Schildbach <andreas@schildbach.de>
Date: Wed, 10 Jan 2024 22:58:33 +0100
Subject: [PATCH] Services: add NODE_COMPACT_FILTERS service bit

---
 core/src/main/java/org/bitcoinj/core/VersionMessage.java | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/core/src/main/java/org/bitcoinj/core/VersionMessage.java b/core/src/main/java/org/bitcoinj/core/VersionMessage.java
index 19143e68237..a4704bacfb4 100644
--- a/core/src/main/java/org/bitcoinj/core/VersionMessage.java
+++ b/core/src/main/java/org/bitcoinj/core/VersionMessage.java
@@ -56,6 +56,8 @@ public class VersionMessage extends Message {
     public static final int NODE_BLOOM = 1 << 2;
     /** Indicates that a node can be asked for blocks and transactions including witness data. */
     public static final int NODE_WITNESS = 1 << 3;
+    /** Indicates the node will service basic block filter requests (BIP157, BIP158). */
+    public static final int NODE_COMPACT_FILTERS = 1 << 6;
     /** A service bit that denotes whether the peer has at least the last two days worth of blockchain (BIP159). */
     public static final int NODE_NETWORK_LIMITED = 1 << 10;
     /** Indicates the node supports BIP324 transport. */
@@ -331,6 +333,10 @@ public static String toStringServices(long services) {
             strings.add("WITNESS");
             services &= ~NODE_WITNESS;
         }
+        if ((services & NODE_COMPACT_FILTERS) == NODE_COMPACT_FILTERS) {
+            strings.add("COMPACT_FILTERS");
+            services &= ~NODE_COMPACT_FILTERS;
+        }
         if ((services & NODE_NETWORK_LIMITED) == NODE_NETWORK_LIMITED) {
             strings.add("NETWORK_LIMITED");
             services &= ~NODE_NETWORK_LIMITED;