[C#] Check in initial auto-generated C# bindings

[ldk-java] / c_sharp / src / org / ldk / structs / ExpandedKey.cs

diff --git a/c_sharp/src/org/ldk/structs/ExpandedKey.cs b/c_sharp/src/org/ldk/structs/ExpandedKey.cs
new file mode 100644 (file)
index 0000000..f7f7cd5
--- /dev/null
+++ b/c_sharp/src/org/ldk/structs/ExpandedKey.cs
@@ -0,0 +1,36 @@
+using org.ldk.impl;
+using org.ldk.enums;
+using org.ldk.util;
+using System;
+
+namespace org { namespace ldk { namespace structs {
+
+
+/**
+ * A set of keys that were HKDF-expanded from an initial call to
+ * [`KeysInterface::get_inbound_payment_key_material`].
+ * 
+ * [`KeysInterface::get_inbound_payment_key_material`]: crate::chain::keysinterface::KeysInterface::get_inbound_payment_key_material
+ */
+public class ExpandedKey : CommonBase {
+       internal ExpandedKey(object _dummy, long ptr) : base(ptr) { }
+       ~ExpandedKey() {
+               if (ptr != 0) { bindings.ExpandedKey_free(ptr); }
+       }
+
+       /**
+        * Create a  new [`ExpandedKey`] for generating an inbound payment hash and secret.
+        * 
+        * It is recommended to cache this value and not regenerate it for each new inbound payment.
+        */
+       public static ExpandedKey of(byte[] key_material) {
+               long ret = bindings.ExpandedKey_new(InternalUtils.check_arr_len(key_material, 32));
+               GC.KeepAlive(key_material);
+               if (ret >= 0 && ret <= 4096) { return null; }
+               org.ldk.structs.ExpandedKey ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.ExpandedKey(null, ret); }
+               if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.AddLast(ret_hu_conv); };
+               return ret_hu_conv;
+       }
+
+}
+} } }