Bindings updates

[ldk-java] / src / main / java / org / ldk / structs / UnsignedChannelAnnouncement.java

diff --git a/src/main/java/org/ldk/structs/UnsignedChannelAnnouncement.java b/src/main/java/org/ldk/structs/UnsignedChannelAnnouncement.java
index 1d6db48bc748b4b7dd61216ef8df600ba99b5f3a..d4fa2aed2663a831ad5d2ff8cd30962d04f3732f 100644 (file)
--- a/src/main/java/org/ldk/structs/UnsignedChannelAnnouncement.java
+++ b/src/main/java/org/ldk/structs/UnsignedChannelAnnouncement.java
@@ -17,18 +17,28 @@ public class UnsignedChannelAnnouncement extends CommonBase {
        public UnsignedChannelAnnouncement clone() {
                long ret = bindings.UnsignedChannelAnnouncement_clone(this.ptr);
                UnsignedChannelAnnouncement ret_hu_conv = new UnsignedChannelAnnouncement(null, ret);
+               ret_hu_conv.ptrs_to.add(this);
                return ret_hu_conv;
        }
 
        public ChannelFeatures get_features() {
                long ret = bindings.UnsignedChannelAnnouncement_get_features(this.ptr);
                ChannelFeatures ret_hu_conv = new ChannelFeatures(null, ret);
+               ret_hu_conv.ptrs_to.add(this);
                return ret_hu_conv;
        }
 
        public void set_features(ChannelFeatures val) {
                bindings.UnsignedChannelAnnouncement_set_features(this.ptr, val == null ? 0 : val.ptr & ~1);
                this.ptrs_to.add(val);
+               // Due to rust's strict-ownership memory model, in some cases we need to "move"
+               // an object to pass exclusive ownership to the function being called.
+               // In most cases, we avoid this being visible in GC'd languages by cloning the object
+               // at the FFI layer, creating a new object which Rust can claim ownership of
+               // However, in some cases (eg here), there is no way to clone an object, and thus
+               // we actually have to pass full ownership to Rust.
+               // Thus, after this call, val is reset to null and is now a dummy object.
+               val.ptr = 0;
        }
 
        public byte[] get_chain_hash() {