- public RouteHop(byte[] pubkey_arg, NodeFeatures node_features_arg, long short_channel_id_arg, ChannelFeatures channel_features_arg, long fee_msat_arg, int cltv_expiry_delta_arg) {
- super(bindings.RouteHop_new(pubkey_arg, node_features_arg.ptr & ~1, short_channel_id_arg, channel_features_arg.ptr & ~1, fee_msat_arg, cltv_expiry_delta_arg));
- this.ptrs_to.add(node_features_arg);
- this.ptrs_to.add(channel_features_arg);
+ public static RouteHop constructor_new(byte[] pubkey_arg, NodeFeatures node_features_arg, long short_channel_id_arg, ChannelFeatures channel_features_arg, long fee_msat_arg, int cltv_expiry_delta_arg) {
+ long ret = bindings.RouteHop_new(pubkey_arg, node_features_arg == null ? 0 : node_features_arg.ptr & ~1, short_channel_id_arg, channel_features_arg == null ? 0 : channel_features_arg.ptr & ~1, fee_msat_arg, cltv_expiry_delta_arg);
+ RouteHop ret_hu_conv = new RouteHop(null, ret);
+ ret_hu_conv.ptrs_to.add(ret_hu_conv);
+ ret_hu_conv.ptrs_to.add(node_features_arg);
+ // 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 ret_hu_conv 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 ret_hu_conv call, node_features_arg is reset to null and is now a dummy object.
+ node_features_arg.ptr = 0;
+ ret_hu_conv.ptrs_to.add(channel_features_arg);
+ // 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 ret_hu_conv 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 ret_hu_conv call, channel_features_arg is reset to null and is now a dummy object.
+ channel_features_arg.ptr = 0;
+ return ret_hu_conv;