--- /dev/null
+package org.ldk.structs;
+
+import org.ldk.impl.bindings;
+import org.ldk.enums.*;
+import org.ldk.util.*;
+import java.util.Arrays;
+import java.lang.ref.Reference;
+import javax.annotation.Nullable;
+
+
+/**
+ * A derived key built from a [`DelayedPaymentBasepoint`] and `per_commitment_point`.
+ *
+ * The delayed payment key is used to pay the commitment state broadcaster their
+ * non-HTLC-encumbered funds after a delay. This delay gives their counterparty a chance to
+ * punish and claim all the channel funds if the state broadcasted was previously revoked.
+ *
+ * [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.
+ */
+@SuppressWarnings("unchecked") // We correctly assign various generic arrays
+public class DelayedPaymentKey extends CommonBase {
+ DelayedPaymentKey(Object _dummy, long ptr) { super(ptr); }
+ @Override @SuppressWarnings("deprecation")
+ protected void finalize() throws Throwable {
+ super.finalize();
+ if (ptr != 0) { bindings.DelayedPaymentKey_free(ptr); }
+ }
+
+ public byte[] get_a() {
+ byte[] ret = bindings.DelayedPaymentKey_get_a(this.ptr);
+ Reference.reachabilityFence(this);
+ return ret;
+ }
+
+ public void set_a(byte[] val) {
+ bindings.DelayedPaymentKey_set_a(this.ptr, InternalUtils.check_arr_len(val, 33));
+ Reference.reachabilityFence(this);
+ Reference.reachabilityFence(val);
+ }
+
+ /**
+ * Constructs a new DelayedPaymentKey given each field
+ */
+ public static DelayedPaymentKey of(byte[] a_arg) {
+ long ret = bindings.DelayedPaymentKey_new(InternalUtils.check_arr_len(a_arg, 33));
+ Reference.reachabilityFence(a_arg);
+ if (ret >= 0 && ret <= 4096) { return null; }
+ org.ldk.structs.DelayedPaymentKey ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.DelayedPaymentKey(null, ret); }
+ if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(ret_hu_conv); };
+ return ret_hu_conv;
+ }
+
+ /**
+ * Checks if two DelayedPaymentKeys 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 boolean eq(org.ldk.structs.DelayedPaymentKey b) {
+ boolean ret = bindings.DelayedPaymentKey_eq(this.ptr, b == null ? 0 : b.ptr);
+ Reference.reachabilityFence(this);
+ Reference.reachabilityFence(b);
+ if (this != null) { this.ptrs_to.add(b); };
+ return ret;
+ }
+
+ @Override public boolean equals(Object o) {
+ if (!(o instanceof DelayedPaymentKey)) return false;
+ return this.eq((DelayedPaymentKey)o);
+ }
+ long clone_ptr() {
+ long ret = bindings.DelayedPaymentKey_clone_ptr(this.ptr);
+ Reference.reachabilityFence(this);
+ return ret;
+ }
+
+ /**
+ * Creates a copy of the DelayedPaymentKey
+ */
+ public DelayedPaymentKey clone() {
+ long ret = bindings.DelayedPaymentKey_clone(this.ptr);
+ Reference.reachabilityFence(this);
+ if (ret >= 0 && ret <= 4096) { return null; }
+ org.ldk.structs.DelayedPaymentKey ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.DelayedPaymentKey(null, ret); }
+ if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(this); };
+ return ret_hu_conv;
+ }
+
+ /**
+ * Derive a public delayedpubkey using one node\'s `per_commitment_point` and its countersignatory\'s `basepoint`
+ */
+ public static DelayedPaymentKey from_basepoint(org.ldk.structs.DelayedPaymentBasepoint countersignatory_basepoint, byte[] per_commitment_point) {
+ long ret = bindings.DelayedPaymentKey_from_basepoint(countersignatory_basepoint == null ? 0 : countersignatory_basepoint.ptr, InternalUtils.check_arr_len(per_commitment_point, 33));
+ Reference.reachabilityFence(countersignatory_basepoint);
+ Reference.reachabilityFence(per_commitment_point);
+ if (ret >= 0 && ret <= 4096) { return null; }
+ org.ldk.structs.DelayedPaymentKey ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.DelayedPaymentKey(null, ret); }
+ if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(ret_hu_conv); };
+ if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(countersignatory_basepoint); };
+ return ret_hu_conv;
+ }
+
+ /**
+ * Build a delayedpubkey directly from an already-derived private key
+ */
+ public static DelayedPaymentKey from_secret_key(byte[] sk) {
+ long ret = bindings.DelayedPaymentKey_from_secret_key(InternalUtils.check_arr_len(sk, 32));
+ Reference.reachabilityFence(sk);
+ if (ret >= 0 && ret <= 4096) { return null; }
+ org.ldk.structs.DelayedPaymentKey ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.DelayedPaymentKey(null, ret); }
+ if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(ret_hu_conv); };
+ return ret_hu_conv;
+ }
+
+ /**
+ * Get inner Public Key
+ */
+ public byte[] to_public_key() {
+ byte[] ret = bindings.DelayedPaymentKey_to_public_key(this.ptr);
+ Reference.reachabilityFence(this);
+ return ret;
+ }
+
+ /**
+ * Serialize the DelayedPaymentKey object into a byte array which can be read by DelayedPaymentKey_read
+ */
+ public byte[] write() {
+ byte[] ret = bindings.DelayedPaymentKey_write(this.ptr);
+ Reference.reachabilityFence(this);
+ return ret;
+ }
+
+ /**
+ * Read a DelayedPaymentKey from a byte array, created by DelayedPaymentKey_write
+ */
+ public static Result_DelayedPaymentKeyDecodeErrorZ read(byte[] ser) {
+ long ret = bindings.DelayedPaymentKey_read(ser);
+ Reference.reachabilityFence(ser);
+ if (ret >= 0 && ret <= 4096) { return null; }
+ Result_DelayedPaymentKeyDecodeErrorZ ret_hu_conv = Result_DelayedPaymentKeyDecodeErrorZ.constr_from_ptr(ret);
+ return ret_hu_conv;
+ }
+
+}
projects / ldk-java / blobdiff