git.bitcoin.ninja Git - ldk-java/blob - src/main/java/org/ldk/structs/RandomBytes.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 /**
  12  * An implementation of [`EntropySource`] using ChaCha20.
  13  */
  14 @SuppressWarnings("unchecked") // We correctly assign various generic arrays
  15 public class RandomBytes extends CommonBase {
  16         RandomBytes(Object _dummy, long ptr) { super(ptr); }
  17         @Override @SuppressWarnings("deprecation")
  18         protected void finalize() throws Throwable {
  19                 super.finalize();
  20                 if (ptr != 0) { bindings.RandomBytes_free(ptr); }
  21         }
  22
  23         /**
  24          * Creates a new instance using the given seed.
  25          */
  26         public static RandomBytes of(byte[] seed) {
  27                 long ret = bindings.RandomBytes_new(InternalUtils.check_arr_len(seed, 32));
  28                 Reference.reachabilityFence(seed);
  29                 if (ret >= 0 && ret <= 4096) { return null; }
  30                 org.ldk.structs.RandomBytes ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.RandomBytes(null, ret); }
  31                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(ret_hu_conv); };
  32                 return ret_hu_conv;
  33         }
  34
  35         /**
  36          * Constructs a new EntropySource which calls the relevant methods on this_arg.
  37          * This copies the `inner` pointer in this_arg and thus the returned EntropySource must be freed before this_arg is
  38          */
  39         public EntropySource as_EntropySource() {
  40                 long ret = bindings.RandomBytes_as_EntropySource(this.ptr);
  41                 Reference.reachabilityFence(this);
  42                 if (ret >= 0 && ret <= 4096) { return null; }
  43                 EntropySource ret_hu_conv = new EntropySource(null, ret);
  44                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(this); };
  45                 return ret_hu_conv;
  46         }
  47
  48 }