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 {
final bindings.LDKAccess bindings_instance;
}
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/lightning/bolts/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; }
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);
- long result = ret != null ? ret.ptr : 0;
- ret.ptr = 0;
+ 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/lightning/bolts/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;
}