X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Forg%2Fldk%2Fstructs%2FBestBlock.java;h=77664b50f914c880a676913f33cf39d944006e8f;hb=1d0c372339e4d0148449728072c95964088412c4;hp=f4d69c1ef681d581f7c1ae1218a8f835d23657b8;hpb=b0c50b891cbca28d3bd1d86276c132ff5221d8e4;p=ldk-java

diff --git a/src/main/java/org/ldk/structs/BestBlock.java b/src/main/java/org/ldk/structs/BestBlock.java
index f4d69c1e..77664b50 100644
--- a/src/main/java/org/ldk/structs/BestBlock.java
+++ b/src/main/java/org/ldk/structs/BestBlock.java
@@ -4,6 +4,7 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import javax.annotation.Nullable;
 
 
 /**
@@ -23,26 +24,30 @@ public class BestBlock extends CommonBase {
 	 */
 	public BestBlock clone() {
 		long ret = bindings.BestBlock_clone(this.ptr);
+		if (ret < 1024) { return null; }
 		BestBlock ret_hu_conv = new BestBlock(null, ret);
 		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
 	}
 
 	/**
-	 * Returns the best block from the genesis of the given network.
+	 * Constructs a `BestBlock` that represents the genesis block at height 0 of the given
+	 * network.
 	 */
-	public static BestBlock from_genesis(Network network) {
+	public static BestBlock from_genesis(org.ldk.enums.Network network) {
 		long ret = bindings.BestBlock_from_genesis(network);
+		if (ret < 1024) { return null; }
 		BestBlock ret_hu_conv = new BestBlock(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		return ret_hu_conv;
 	}
 
 	/**
-	 * Returns the best block as identified by the given block hash and height.
+	 * Returns a `BestBlock` as identified by the given block hash and height.
 	 */
 	public static BestBlock of(byte[] block_hash, int height) {
 		long ret = bindings.BestBlock_new(block_hash, height);
+		if (ret < 1024) { return null; }
 		BestBlock ret_hu_conv = new BestBlock(null, ret);
 		ret_hu_conv.ptrs_to.add(ret_hu_conv);
 		return ret_hu_conv;