Bindings updates
[ldk-java] / ts / structs / ChannelDetails.ts
index 3643d2a1dfb24f525ca869fb675576948a4752c9..5e8c88a20fcfd3e28d452c802a7e40f626d6d734 100644 (file)
@@ -21,6 +21,7 @@ import * as bindings from '../bindings' // TODO: figure out location
        public ChannelDetails clone() {
                number ret = bindings.ChannelDetails_clone(this.ptr);
                const ret_hu_conv: ChannelDetails = new ChannelDetails(null, ret);
+               ret_hu_conv.ptrs_to.add(this);
                return ret_hu_conv;
        }
 
@@ -45,12 +46,21 @@ import * as bindings from '../bindings' // TODO: figure out location
        public InitFeatures get_counterparty_features() {
                number ret = bindings.ChannelDetails_get_counterparty_features(this.ptr);
                const ret_hu_conv: InitFeatures = 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 number get_channel_value_satoshis() {