Bindings updates

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

diff --git a/src/main/java/org/ldk/structs/ChannelDetails.java b/src/main/java/org/ldk/structs/ChannelDetails.java
index 09221b0d21175104caf7684bf368b3507295069f..4c690d2d67f876adfcb4af2dc113a5c3932fe343 100644 (file)
--- a/src/main/java/org/ldk/structs/ChannelDetails.java
+++ b/src/main/java/org/ldk/structs/ChannelDetails.java
@@ -17,6 +17,7 @@ public class ChannelDetails extends CommonBase {
        public ChannelDetails clone() {
                long ret = bindings.ChannelDetails_clone(this.ptr);
                ChannelDetails ret_hu_conv = new ChannelDetails(null, ret);
+               ret_hu_conv.ptrs_to.add(this);
                return ret_hu_conv;
        }
 
@@ -41,12 +42,21 @@ public class ChannelDetails extends CommonBase {
        public InitFeatures get_counterparty_features() {
                long ret = bindings.ChannelDetails_get_counterparty_features(this.ptr);
                InitFeatures ret_hu_conv = new InitFeatures(null, ret);
+               ret_hu_conv.ptrs_to.add(this);
                return ret_hu_conv;
        }
 
        public void set_counterparty_features(InitFeatures val) {
                bindings.ChannelDetails_set_counterparty_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 long get_channel_value_satoshis() {