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 * A [`channel_announcement`] message to be sent to or received from a peer.
14 * [`channel_announcement`]: https://github.com/lightning/bolts/blob/master/07-routing-gossip.md#the-channel_announcement-message
16 @SuppressWarnings("unchecked") // We correctly assign various generic arrays
17 public class ChannelAnnouncement extends CommonBase {
18 ChannelAnnouncement(Object _dummy, long ptr) { super(ptr); }
19 @Override @SuppressWarnings("deprecation")
20 protected void finalize() throws Throwable {
22 if (ptr != 0) { bindings.ChannelAnnouncement_free(ptr); }
26 * Authentication of the announcement by the first public node
28 public byte[] get_node_signature_1() {
29 byte[] ret = bindings.ChannelAnnouncement_get_node_signature_1(this.ptr);
30 Reference.reachabilityFence(this);
35 * Authentication of the announcement by the first public node
37 public void set_node_signature_1(byte[] val) {
38 bindings.ChannelAnnouncement_set_node_signature_1(this.ptr, InternalUtils.check_arr_len(val, 64));
39 Reference.reachabilityFence(this);
40 Reference.reachabilityFence(val);
44 * Authentication of the announcement by the second public node
46 public byte[] get_node_signature_2() {
47 byte[] ret = bindings.ChannelAnnouncement_get_node_signature_2(this.ptr);
48 Reference.reachabilityFence(this);
53 * Authentication of the announcement by the second public node
55 public void set_node_signature_2(byte[] val) {
56 bindings.ChannelAnnouncement_set_node_signature_2(this.ptr, InternalUtils.check_arr_len(val, 64));
57 Reference.reachabilityFence(this);
58 Reference.reachabilityFence(val);
62 * Proof of funding UTXO ownership by the first public node
64 public byte[] get_bitcoin_signature_1() {
65 byte[] ret = bindings.ChannelAnnouncement_get_bitcoin_signature_1(this.ptr);
66 Reference.reachabilityFence(this);
71 * Proof of funding UTXO ownership by the first public node
73 public void set_bitcoin_signature_1(byte[] val) {
74 bindings.ChannelAnnouncement_set_bitcoin_signature_1(this.ptr, InternalUtils.check_arr_len(val, 64));
75 Reference.reachabilityFence(this);
76 Reference.reachabilityFence(val);
80 * Proof of funding UTXO ownership by the second public node
82 public byte[] get_bitcoin_signature_2() {
83 byte[] ret = bindings.ChannelAnnouncement_get_bitcoin_signature_2(this.ptr);
84 Reference.reachabilityFence(this);
89 * Proof of funding UTXO ownership by the second public node
91 public void set_bitcoin_signature_2(byte[] val) {
92 bindings.ChannelAnnouncement_set_bitcoin_signature_2(this.ptr, InternalUtils.check_arr_len(val, 64));
93 Reference.reachabilityFence(this);
94 Reference.reachabilityFence(val);
98 * The actual announcement
100 public UnsignedChannelAnnouncement get_contents() {
101 long ret = bindings.ChannelAnnouncement_get_contents(this.ptr);
102 Reference.reachabilityFence(this);
103 if (ret >= 0 && ret <= 4096) { return null; }
104 org.ldk.structs.UnsignedChannelAnnouncement ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.UnsignedChannelAnnouncement(null, ret); }
105 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(this); };
110 * The actual announcement
112 public void set_contents(org.ldk.structs.UnsignedChannelAnnouncement val) {
113 bindings.ChannelAnnouncement_set_contents(this.ptr, val.ptr);
114 Reference.reachabilityFence(this);
115 Reference.reachabilityFence(val);
116 if (this != null) { this.ptrs_to.add(val); };
120 * Constructs a new ChannelAnnouncement given each field
122 public static ChannelAnnouncement of(byte[] node_signature_1_arg, byte[] node_signature_2_arg, byte[] bitcoin_signature_1_arg, byte[] bitcoin_signature_2_arg, org.ldk.structs.UnsignedChannelAnnouncement contents_arg) {
123 long ret = bindings.ChannelAnnouncement_new(InternalUtils.check_arr_len(node_signature_1_arg, 64), InternalUtils.check_arr_len(node_signature_2_arg, 64), InternalUtils.check_arr_len(bitcoin_signature_1_arg, 64), InternalUtils.check_arr_len(bitcoin_signature_2_arg, 64), contents_arg.ptr);
124 Reference.reachabilityFence(node_signature_1_arg);
125 Reference.reachabilityFence(node_signature_2_arg);
126 Reference.reachabilityFence(bitcoin_signature_1_arg);
127 Reference.reachabilityFence(bitcoin_signature_2_arg);
128 Reference.reachabilityFence(contents_arg);
129 if (ret >= 0 && ret <= 4096) { return null; }
130 org.ldk.structs.ChannelAnnouncement ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.ChannelAnnouncement(null, ret); }
131 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(ret_hu_conv); };
132 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(contents_arg); };
137 long ret = bindings.ChannelAnnouncement_clone_ptr(this.ptr);
138 Reference.reachabilityFence(this);
143 * Creates a copy of the ChannelAnnouncement
145 public ChannelAnnouncement clone() {
146 long ret = bindings.ChannelAnnouncement_clone(this.ptr);
147 Reference.reachabilityFence(this);
148 if (ret >= 0 && ret <= 4096) { return null; }
149 org.ldk.structs.ChannelAnnouncement ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.ChannelAnnouncement(null, ret); }
150 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(this); };
155 * Generates a non-cryptographic 64-bit hash of the ChannelAnnouncement.
158 long ret = bindings.ChannelAnnouncement_hash(this.ptr);
159 Reference.reachabilityFence(this);
163 @Override public int hashCode() {
164 return (int)this.hash();
167 * Checks if two ChannelAnnouncements contain equal inner contents.
168 * This ignores pointers and is_owned flags and looks at the values in fields.
169 * Two objects with NULL inner values will be considered "equal" here.
171 public boolean eq(org.ldk.structs.ChannelAnnouncement b) {
172 boolean ret = bindings.ChannelAnnouncement_eq(this.ptr, b.ptr);
173 Reference.reachabilityFence(this);
174 Reference.reachabilityFence(b);
175 if (this != null) { this.ptrs_to.add(b); };
179 @Override public boolean equals(Object o) {
180 if (!(o instanceof ChannelAnnouncement)) return false;
181 return this.eq((ChannelAnnouncement)o);
184 * Serialize the ChannelAnnouncement object into a byte array which can be read by ChannelAnnouncement_read
186 public byte[] write() {
187 byte[] ret = bindings.ChannelAnnouncement_write(this.ptr);
188 Reference.reachabilityFence(this);
193 * Read a ChannelAnnouncement from a byte array, created by ChannelAnnouncement_write
195 public static Result_ChannelAnnouncementDecodeErrorZ read(byte[] ser) {
196 long ret = bindings.ChannelAnnouncement_read(ser);
197 Reference.reachabilityFence(ser);
198 if (ret >= 0 && ret <= 4096) { return null; }
199 Result_ChannelAnnouncementDecodeErrorZ ret_hu_conv = Result_ChannelAnnouncementDecodeErrorZ.constr_from_ptr(ret);