--- /dev/null
+using org.ldk.impl;
+using org.ldk.enums;
+using org.ldk.util;
+using System;
+
+namespace org { namespace ldk { namespace structs {
+
+
+/**
+ * A derived key built from a [`HtlcBasepoint`] and `per_commitment_point`.
+ *
+ * HTLC keys are used to ensure only the recipient of an HTLC can claim it on-chain with the HTLC
+ * preimage and that only the sender of an HTLC can claim it on-chain after it has timed out.
+ * Thus, both channel counterparties' HTLC keys will appears in each HTLC output's script.
+ *
+ * [See the BOLT specs]
+ * (https://github.com/lightning/bolts/blob/master/03-transactions.md#localpubkey-local_htlcpubkey-remote_htlcpubkey-local_delayedpubkey-and-remote_delayedpubkey-derivation)
+ * for more information on key derivation details.
+ */
+public class HtlcKey : CommonBase {
+ internal HtlcKey(object _dummy, long ptr) : base(ptr) { }
+ ~HtlcKey() {
+ if (ptr != 0) { bindings.HtlcKey_free(ptr); }
+ }
+
+ public byte[] get_a() {
+ long ret = bindings.HtlcKey_get_a(this.ptr);
+ GC.KeepAlive(this);
+ if (ret >= 0 && ret <= 4096) { return null; }
+ byte[] ret_conv = InternalUtils.decodeUint8Array(ret);
+ return ret_conv;
+ }
+
+ public void set_a(byte[] val) {
+ bindings.HtlcKey_set_a(this.ptr, InternalUtils.encodeUint8Array(InternalUtils.check_arr_len(val, 33)));
+ GC.KeepAlive(this);
+ GC.KeepAlive(val);
+ }
+
+ /**
+ * Constructs a new HtlcKey given each field
+ */
+ public static HtlcKey of(byte[] a_arg) {
+ long ret = bindings.HtlcKey_new(InternalUtils.encodeUint8Array(InternalUtils.check_arr_len(a_arg, 33)));
+ GC.KeepAlive(a_arg);
+ if (ret >= 0 && ret <= 4096) { return null; }
+ org.ldk.structs.HtlcKey ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.HtlcKey(null, ret); }
+ if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.AddLast(ret_hu_conv); };
+ return ret_hu_conv;
+ }
+
+ /**
+ * Checks if two HtlcKeys contain equal inner contents.
+ * This ignores pointers and is_owned flags and looks at the values in fields.
+ * Two objects with NULL inner values will be considered "equal" here.
+ */
+ public bool eq(org.ldk.structs.HtlcKey b) {
+ bool ret = bindings.HtlcKey_eq(this.ptr, b == null ? 0 : b.ptr);
+ GC.KeepAlive(this);
+ GC.KeepAlive(b);
+ if (this != null) { this.ptrs_to.AddLast(b); };
+ return ret;
+ }
+
+ public override bool Equals(object o) {
+ if (!(o is HtlcKey)) return false;
+ return this.eq((HtlcKey)o);
+ }
+ internal long clone_ptr() {
+ long ret = bindings.HtlcKey_clone_ptr(this.ptr);
+ GC.KeepAlive(this);
+ return ret;
+ }
+
+ /**
+ * Creates a copy of the HtlcKey
+ */
+ public HtlcKey clone() {
+ long ret = bindings.HtlcKey_clone(this.ptr);
+ GC.KeepAlive(this);
+ if (ret >= 0 && ret <= 4096) { return null; }
+ org.ldk.structs.HtlcKey ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.HtlcKey(null, ret); }
+ if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.AddLast(this); };
+ return ret_hu_conv;
+ }
+
+ /**
+ * Derive a public htlcpubkey using one node\'s `per_commitment_point` and its countersignatory\'s `basepoint`
+ */
+ public static HtlcKey from_basepoint(org.ldk.structs.HtlcBasepoint countersignatory_basepoint, byte[] per_commitment_point) {
+ long ret = bindings.HtlcKey_from_basepoint(countersignatory_basepoint == null ? 0 : countersignatory_basepoint.ptr, InternalUtils.encodeUint8Array(InternalUtils.check_arr_len(per_commitment_point, 33)));
+ GC.KeepAlive(countersignatory_basepoint);
+ GC.KeepAlive(per_commitment_point);
+ if (ret >= 0 && ret <= 4096) { return null; }
+ org.ldk.structs.HtlcKey ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.HtlcKey(null, ret); }
+ if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.AddLast(ret_hu_conv); };
+ if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.AddLast(countersignatory_basepoint); };
+ return ret_hu_conv;
+ }
+
+ /**
+ * Build a htlcpubkey directly from an already-derived private key
+ */
+ public static HtlcKey from_secret_key(byte[] sk) {
+ long ret = bindings.HtlcKey_from_secret_key(InternalUtils.encodeUint8Array(InternalUtils.check_arr_len(sk, 32)));
+ GC.KeepAlive(sk);
+ if (ret >= 0 && ret <= 4096) { return null; }
+ org.ldk.structs.HtlcKey ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.HtlcKey(null, ret); }
+ if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.AddLast(ret_hu_conv); };
+ return ret_hu_conv;
+ }
+
+ /**
+ * Get inner Public Key
+ */
+ public byte[] to_public_key() {
+ long ret = bindings.HtlcKey_to_public_key(this.ptr);
+ GC.KeepAlive(this);
+ if (ret >= 0 && ret <= 4096) { return null; }
+ byte[] ret_conv = InternalUtils.decodeUint8Array(ret);
+ return ret_conv;
+ }
+
+ /**
+ * Serialize the HtlcKey object into a byte array which can be read by HtlcKey_read
+ */
+ public byte[] write() {
+ long ret = bindings.HtlcKey_write(this.ptr);
+ GC.KeepAlive(this);
+ if (ret >= 0 && ret <= 4096) { return null; }
+ byte[] ret_conv = InternalUtils.decodeUint8Array(ret);
+ return ret_conv;
+ }
+
+ /**
+ * Read a HtlcKey from a byte array, created by HtlcKey_write
+ */
+ public static Result_HtlcKeyDecodeErrorZ read(byte[] ser) {
+ long ret = bindings.HtlcKey_read(InternalUtils.encodeUint8Array(ser));
+ GC.KeepAlive(ser);
+ if (ret >= 0 && ret <= 4096) { return null; }
+ Result_HtlcKeyDecodeErrorZ ret_hu_conv = Result_HtlcKeyDecodeErrorZ.constr_from_ptr(ret);
+ return ret_hu_conv;
+ }
+
+}
+} } }
projects / ldk-java / blobdiff