_ Git - ldk-java/blob - c_sharp/src/org/ldk/structs/EntropySource.cs

   1
   2 using org.ldk.impl;
   3 using org.ldk.enums;
   4 using org.ldk.util;
   5 using System;
   6
   7 namespace org { namespace ldk { namespace structs {
   8
   9
  10
  11 /** An implementation of EntropySource */
  12 public interface EntropySourceInterface {
  13         /**Gets a unique, cryptographically-secure, random 32-byte value. This method must return a
  14          * different value each time it is called.
  15          */
  16         byte[] get_secure_random_bytes();
  17 }
  18
  19 /**
  20  * A trait that describes a source of entropy.
  21  */
  22 public class EntropySource : CommonBase {
  23         internal bindings.LDKEntropySource bindings_instance;
  24         internal long instance_idx;
  25
  26         internal EntropySource(object _dummy, long ptr) : base(ptr) { bindings_instance = null; }
  27         ~EntropySource() {
  28                 if (ptr != 0) { bindings.EntropySource_free(ptr); }
  29         }
  30
  31         private class LDKEntropySourceHolder { internal EntropySource held; }
  32         private class LDKEntropySourceImpl : bindings.LDKEntropySource {
  33                 internal LDKEntropySourceImpl(EntropySourceInterface arg, LDKEntropySourceHolder impl_holder) { this.arg = arg; this.impl_holder = impl_holder; }
  34                 private EntropySourceInterface arg;
  35                 private LDKEntropySourceHolder impl_holder;
  36                 public long get_secure_random_bytes() {
  37                         byte[] ret = arg.get_secure_random_bytes();
  38                                 GC.KeepAlive(arg);
  39                         long result = InternalUtils.encodeUint8Array(InternalUtils.check_arr_len(ret, 32));
  40                         return result;
  41                 }
  42         }
  43
  44         /** Creates a new instance of EntropySource from a given implementation */
  45         public static EntropySource new_impl(EntropySourceInterface arg) {
  46                 LDKEntropySourceHolder impl_holder = new LDKEntropySourceHolder();
  47                 LDKEntropySourceImpl impl = new LDKEntropySourceImpl(arg, impl_holder);
  48                 long[] ptr_idx = bindings.LDKEntropySource_new(impl);
  49
  50                 impl_holder.held = new EntropySource(null, ptr_idx[0]);
  51                 impl_holder.held.instance_idx = ptr_idx[1];
  52                 impl_holder.held.bindings_instance = impl;
  53                 return impl_holder.held;
  54         }
  55
  56         /**
  57          * Gets a unique, cryptographically-secure, random 32-byte value. This method must return a
  58          * different value each time it is called.
  59          */
  60         public byte[] get_secure_random_bytes() {
  61                 long ret = bindings.EntropySource_get_secure_random_bytes(this.ptr);
  62                 GC.KeepAlive(this);
  63                 if (ret >= 0 && ret <= 4096) { return null; }
  64                 byte[] ret_conv = InternalUtils.decodeUint8Array(ret);
  65                 return ret_conv;
  66         }
  67
  68 }
  69 } } }