X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=ts%2Fstructs%2FUnsignedChannelAnnouncement.ts;fp=ts%2Fstructs%2FUnsignedChannelAnnouncement.ts;h=84b2ca7f7b0f075fd07cb1606ebdbae39fc11eab;hb=fed2245c60159f6c074c9ed5c0f3ce273ad9841b;hp=af0338363e7224638ab3867043159b47092290ba;hpb=e9c2970adecaa14b3e83e11eb160a7bcbdae20da;p=ldk-java

diff --git a/ts/structs/UnsignedChannelAnnouncement.ts b/ts/structs/UnsignedChannelAnnouncement.ts
index af033836..84b2ca7f 100644
--- a/ts/structs/UnsignedChannelAnnouncement.ts
+++ b/ts/structs/UnsignedChannelAnnouncement.ts
@@ -21,18 +21,28 @@ import * as bindings from '../bindings' // TODO: figure out location
 	public UnsignedChannelAnnouncement clone() {
 		number ret = bindings.UnsignedChannelAnnouncement_clone(this.ptr);
 		const ret_hu_conv: UnsignedChannelAnnouncement = new UnsignedChannelAnnouncement(null, ret);
+		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
 	}
 
 	public ChannelFeatures get_features() {
 		number ret = bindings.UnsignedChannelAnnouncement_get_features(this.ptr);
 		const ret_hu_conv: ChannelFeatures = 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 Uint8Array get_chain_hash() {