git.bitcoin.ninja Git - ldk-java/blob - src/main/java/org/ldk/structs/ChangeDestinationSource.java

   1 package org.ldk.structs;
   2
   3 import org.ldk.impl.bindings;
   4 import org.ldk.enums.*;
   5 import org.ldk.util.*;
   6 import java.util.Arrays;
   7 import java.lang.ref.Reference;
   8 import javax.annotation.Nullable;
   9
  10 /**
  11  * A helper trait that describes an on-chain wallet capable of returning a (change) destination
  12  * script.
  13  */
  14 @SuppressWarnings("unchecked") // We correctly assign various generic arrays
  15 public class ChangeDestinationSource extends CommonBase {
  16         final bindings.LDKChangeDestinationSource bindings_instance;
  17         ChangeDestinationSource(Object _dummy, long ptr) { super(ptr); bindings_instance = null; }
  18         private ChangeDestinationSource(bindings.LDKChangeDestinationSource arg) {
  19                 super(bindings.LDKChangeDestinationSource_new(arg));
  20                 this.ptrs_to.add(arg);
  21                 this.bindings_instance = arg;
  22         }
  23         @Override @SuppressWarnings("deprecation")
  24         protected void finalize() throws Throwable {
  25                 if (ptr != 0) { bindings.ChangeDestinationSource_free(ptr); } super.finalize();
  26         }
  27         /**
  28          * Destroys the object, freeing associated resources. After this call, any access
  29          * to this object may result in a SEGFAULT or worse.
  30          *
  31          * You should generally NEVER call this method. You should let the garbage collector
  32          * do this for you when it finalizes objects. However, it may be useful for types
  33          * which represent locks and should be closed immediately to avoid holding locks
  34          * until the GC runs.
  35          */
  36         public void destroy() {
  37                 if (ptr != 0) { bindings.ChangeDestinationSource_free(ptr); }
  38                 ptr = 0;
  39         }
  40         public static interface ChangeDestinationSourceInterface {
  41                 /**
  42                  * Returns a script pubkey which can be used as a change destination for
  43                  * [`OutputSpender::spend_spendable_outputs`].
  44                  *
  45                  * This method should return a different value each time it is called, to avoid linking
  46                  * on-chain funds controlled to the same user.
  47                  */
  48                 Result_CVec_u8ZNoneZ get_change_destination_script();
  49         }
  50         private static class LDKChangeDestinationSourceHolder { ChangeDestinationSource held; }
  51         public static ChangeDestinationSource new_impl(ChangeDestinationSourceInterface arg) {
  52                 final LDKChangeDestinationSourceHolder impl_holder = new LDKChangeDestinationSourceHolder();
  53                 impl_holder.held = new ChangeDestinationSource(new bindings.LDKChangeDestinationSource() {
  54                         @Override public long get_change_destination_script() {
  55                                 Result_CVec_u8ZNoneZ ret = arg.get_change_destination_script();
  56                                 Reference.reachabilityFence(arg);
  57                                 long result = ret.clone_ptr();
  58                                 return result;
  59                         }
  60                 });
  61                 return impl_holder.held;
  62         }
  63         /**
  64          * Returns a script pubkey which can be used as a change destination for
  65          * [`OutputSpender::spend_spendable_outputs`].
  66          *
  67          * This method should return a different value each time it is called, to avoid linking
  68          * on-chain funds controlled to the same user.
  69          */
  70         public Result_CVec_u8ZNoneZ get_change_destination_script() {
  71                 long ret = bindings.ChangeDestinationSource_get_change_destination_script(this.ptr);
  72                 Reference.reachabilityFence(this);
  73                 if (ret >= 0 && ret <= 4096) { return null; }
  74                 Result_CVec_u8ZNoneZ ret_hu_conv = Result_CVec_u8ZNoneZ.constr_from_ptr(ret);
  75                 return ret_hu_conv;
  76         }
  77
  78 }