X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Forg%2Fldk%2Fstructs%2FSha256.java;h=109aed2e314c5f7ca54c8ee763a0456d216e6665;hb=65a17b9ef4884736783566e30e075ca59b472cc7;hp=b630026ac3d852e3426f13aa809d4efcaaa5dcdb;hpb=b0c50b891cbca28d3bd1d86276c132ff5221d8e4;p=ldk-java

diff --git a/src/main/java/org/ldk/structs/Sha256.java b/src/main/java/org/ldk/structs/Sha256.java
index b630026a..109aed2e 100644
--- a/src/main/java/org/ldk/structs/Sha256.java
+++ b/src/main/java/org/ldk/structs/Sha256.java
@@ -34,6 +34,7 @@ public class Sha256 extends CommonBase {
 	 */
 	public Sha256 clone() {
 		long ret = bindings.Sha256_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		Sha256 ret_hu_conv = new Sha256(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;