1 package org.ldk.structs;
3 import org.ldk.impl.bindings;
4 import org.ldk.enums.*;
6 import java.util.Arrays;
7 import java.lang.ref.Reference;
8 import javax.annotation.Nullable;
12 * Packet of hop data for next peer
14 @SuppressWarnings("unchecked") // We correctly assign various generic arrays
15 public class Packet extends CommonBase {
16 Packet(Object _dummy, long ptr) { super(ptr); }
17 @Override @SuppressWarnings("deprecation")
18 protected void finalize() throws Throwable {
20 if (ptr != 0) { bindings.Packet_free(ptr); }
24 * Bolt 04 version number
26 public byte get_version() {
27 byte ret = bindings.Packet_get_version(this.ptr);
28 Reference.reachabilityFence(this);
33 * Bolt 04 version number
35 public void set_version(byte val) {
36 bindings.Packet_set_version(this.ptr, val);
37 Reference.reachabilityFence(this);
38 Reference.reachabilityFence(val);
42 * A random sepc256k1 point, used to build the ECDH shared secret to decrypt hop_data
44 public byte[] get_public_key() {
45 byte[] ret = bindings.Packet_get_public_key(this.ptr);
46 Reference.reachabilityFence(this);
51 * A random sepc256k1 point, used to build the ECDH shared secret to decrypt hop_data
53 public void set_public_key(byte[] val) {
54 bindings.Packet_set_public_key(this.ptr, InternalUtils.check_arr_len(val, 33));
55 Reference.reachabilityFence(this);
56 Reference.reachabilityFence(val);
60 * Encrypted payload for the next hop
62 * Returns a copy of the field.
64 public byte[] get_hop_data() {
65 byte[] ret = bindings.Packet_get_hop_data(this.ptr);
66 Reference.reachabilityFence(this);
71 * Encrypted payload for the next hop
73 public void set_hop_data(byte[] val) {
74 bindings.Packet_set_hop_data(this.ptr, val);
75 Reference.reachabilityFence(this);
76 Reference.reachabilityFence(val);
80 * HMAC to verify the integrity of hop_data
82 public byte[] get_hmac() {
83 byte[] ret = bindings.Packet_get_hmac(this.ptr);
84 Reference.reachabilityFence(this);
89 * HMAC to verify the integrity of hop_data
91 public void set_hmac(byte[] val) {
92 bindings.Packet_set_hmac(this.ptr, InternalUtils.check_arr_len(val, 32));
93 Reference.reachabilityFence(this);
94 Reference.reachabilityFence(val);
98 * Constructs a new Packet given each field
100 public static Packet of(byte version_arg, byte[] public_key_arg, byte[] hop_data_arg, byte[] hmac_arg) {
101 long ret = bindings.Packet_new(version_arg, InternalUtils.check_arr_len(public_key_arg, 33), hop_data_arg, InternalUtils.check_arr_len(hmac_arg, 32));
102 Reference.reachabilityFence(version_arg);
103 Reference.reachabilityFence(public_key_arg);
104 Reference.reachabilityFence(hop_data_arg);
105 Reference.reachabilityFence(hmac_arg);
106 if (ret >= 0 && ret <= 4096) { return null; }
107 org.ldk.structs.Packet ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.Packet(null, ret); }
108 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(ret_hu_conv); };
113 long ret = bindings.Packet_clone_ptr(this.ptr);
114 Reference.reachabilityFence(this);
119 * Creates a copy of the Packet
121 public Packet clone() {
122 long ret = bindings.Packet_clone(this.ptr);
123 Reference.reachabilityFence(this);
124 if (ret >= 0 && ret <= 4096) { return null; }
125 org.ldk.structs.Packet ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.Packet(null, ret); }
126 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(this); };
131 * Generates a non-cryptographic 64-bit hash of the Packet.
134 long ret = bindings.Packet_hash(this.ptr);
135 Reference.reachabilityFence(this);
139 @Override public int hashCode() {
140 return (int)this.hash();
143 * Checks if two Packets contain equal inner contents.
144 * This ignores pointers and is_owned flags and looks at the values in fields.
145 * Two objects with NULL inner values will be considered "equal" here.
147 public boolean eq(org.ldk.structs.Packet b) {
148 boolean ret = bindings.Packet_eq(this.ptr, b == null ? 0 : b.ptr);
149 Reference.reachabilityFence(this);
150 Reference.reachabilityFence(b);
151 if (this != null) { this.ptrs_to.add(b); };
155 @Override public boolean equals(Object o) {
156 if (!(o instanceof Packet)) return false;
157 return this.eq((Packet)o);
160 * Serialize the Packet object into a byte array which can be read by Packet_read
162 public byte[] write() {
163 byte[] ret = bindings.Packet_write(this.ptr);
164 Reference.reachabilityFence(this);