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

   1 using org.ldk.impl;
   2 using org.ldk.enums;
   3 using org.ldk.util;
   4 using System;
   5
   6 namespace org { namespace ldk { namespace structs {
   7
   8
   9 /**
  10  * A set of keys that were HKDF-expanded from an initial call to
  11  * [`NodeSigner::get_inbound_payment_key_material`].
  12  *
  13  * [`NodeSigner::get_inbound_payment_key_material`]: crate::sign::NodeSigner::get_inbound_payment_key_material
  14  */
  15 public class ExpandedKey : CommonBase {
  16         internal ExpandedKey(object _dummy, long ptr) : base(ptr) { }
  17         ~ExpandedKey() {
  18                 if (ptr != 0) { bindings.ExpandedKey_free(ptr); }
  19         }
  20
  21         /**
  22          * Create a  new [`ExpandedKey`] for generating an inbound payment hash and secret.
  23          *
  24          * It is recommended to cache this value and not regenerate it for each new inbound payment.
  25          */
  26         public static ExpandedKey of(byte[] key_material) {
  27                 long ret = bindings.ExpandedKey_new(InternalUtils.encodeUint8Array(InternalUtils.check_arr_len(key_material, 32)));
  28                 GC.KeepAlive(key_material);
  29                 if (ret >= 0 && ret <= 4096) { return null; }
  30                 org.ldk.structs.ExpandedKey ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.ExpandedKey(null, ret); }
  31                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.AddLast(ret_hu_conv); };
  32                 return ret_hu_conv;
  33         }
  34
  35 }
  36 } } }