X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Forg%2Fldk%2Fstructs%2FAccess.java;h=a244405e27a95fdab3e93194f0afd5009a978c2e;hb=6fe917116a65d7b62123226c4240d77ea2719783;hp=375dca92159062dd63a1b3a524a322fc97ad3073;hpb=f70bcf067b290c88dc9dc26f4aca86475e5f6ed7;p=ldk-java

diff --git a/src/main/java/org/ldk/structs/Access.java b/src/main/java/org/ldk/structs/Access.java
index 375dca92..a244405e 100644
--- a/src/main/java/org/ldk/structs/Access.java
+++ b/src/main/java/org/ldk/structs/Access.java
@@ -4,23 +4,64 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import java.lang.ref.Reference;
+import javax.annotation.Nullable;
 
+/**
+ * The `Access` trait defines behavior for accessing chain data and state, such as blocks and
+ * UTXOs.
+ */
 @SuppressWarnings("unchecked") // We correctly assign various generic arrays
 public class Access extends CommonBase {
-	Access(Object _dummy, long ptr) { super(ptr); }
-	public Access(bindings.LDKAccess arg) {
+	final bindings.LDKAccess bindings_instance;
+	Access(Object _dummy, long ptr) { super(ptr); bindings_instance = null; }
+	private Access(bindings.LDKAccess arg) {
 		super(bindings.LDKAccess_new(arg));
 		this.ptrs_to.add(arg);
+		this.bindings_instance = arg;
 	}
 	@Override @SuppressWarnings("deprecation")
 	protected void finalize() throws Throwable {
-		bindings.Access_free(ptr); super.finalize();
+		if (ptr != 0) { bindings.Access_free(ptr); } super.finalize();
 	}
 
+	public static interface AccessInterface {
+		/**
+		 * Returns the transaction output of a funding transaction encoded by [`short_channel_id`].
+		 * Returns an error if `genesis_hash` is for a different chain or if such a transaction output
+		 * is unknown.
+		 * 
+		 * [`short_channel_id`]: https://github.com/lightningnetwork/lightning-rfc/blob/master/07-routing-gossip.md#definition-of-short_channel_id
+		 */
+		Result_TxOutAccessErrorZ get_utxo(byte[] genesis_hash, long short_channel_id);
+	}
+	private static class LDKAccessHolder { Access held; }
+	public static Access new_impl(AccessInterface arg) {
+		final LDKAccessHolder impl_holder = new LDKAccessHolder();
+		impl_holder.held = new Access(new bindings.LDKAccess() {
+			@Override public long get_utxo(byte[] genesis_hash, long short_channel_id) {
+				Result_TxOutAccessErrorZ ret = arg.get_utxo(genesis_hash, short_channel_id);
+				Reference.reachabilityFence(arg);
+				long result = ret == null ? 0 : ret.clone_ptr();
+				return result;
+			}
+		});
+		return impl_holder.held;
+	}
+	/**
+	 * Returns the transaction output of a funding transaction encoded by [`short_channel_id`].
+	 * Returns an error if `genesis_hash` is for a different chain or if such a transaction output
+	 * is unknown.
+	 * 
+	 * [`short_channel_id`]: https://github.com/lightningnetwork/lightning-rfc/blob/master/07-routing-gossip.md#definition-of-short_channel_id
+	 */
 	public Result_TxOutAccessErrorZ get_utxo(byte[] genesis_hash, long short_channel_id) {
-		long ret = bindings.Access_get_utxo(this.ptr, genesis_hash, short_channel_id);
+		long ret = bindings.Access_get_utxo(this.ptr, InternalUtils.check_arr_len(genesis_hash, 32), short_channel_id);
+		Reference.reachabilityFence(this);
+		Reference.reachabilityFence(genesis_hash);
+		Reference.reachabilityFence(short_channel_id);
+		if (ret >= 0 && ret <= 4096) { return null; }
 		Result_TxOutAccessErrorZ ret_hu_conv = Result_TxOutAccessErrorZ.constr_from_ptr(ret);
-		ret_hu_conv.ptrs_to.add(this);
 		return ret_hu_conv;
 	}