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 pre-built Bitcoin commitment transaction and its txid.
14 @SuppressWarnings("unchecked") // We correctly assign various generic arrays
15 public class BuiltCommitmentTransaction extends CommonBase {
16 BuiltCommitmentTransaction(Object _dummy, long ptr) { super(ptr); }
17 @Override @SuppressWarnings("deprecation")
18 protected void finalize() throws Throwable {
20 if (ptr != 0) { bindings.BuiltCommitmentTransaction_free(ptr); }
24 * The commitment transaction
26 public byte[] get_transaction() {
27 byte[] ret = bindings.BuiltCommitmentTransaction_get_transaction(this.ptr);
28 Reference.reachabilityFence(this);
33 * The commitment transaction
35 public void set_transaction(byte[] val) {
36 bindings.BuiltCommitmentTransaction_set_transaction(this.ptr, val);
37 Reference.reachabilityFence(this);
38 Reference.reachabilityFence(val);
42 * The txid for the commitment transaction.
44 * This is provided as a performance optimization, instead of calling transaction.txid()
47 public byte[] get_txid() {
48 byte[] ret = bindings.BuiltCommitmentTransaction_get_txid(this.ptr);
49 Reference.reachabilityFence(this);
54 * The txid for the commitment transaction.
56 * This is provided as a performance optimization, instead of calling transaction.txid()
59 public void set_txid(byte[] val) {
60 bindings.BuiltCommitmentTransaction_set_txid(this.ptr, InternalUtils.check_arr_len(val, 32));
61 Reference.reachabilityFence(this);
62 Reference.reachabilityFence(val);
66 * Constructs a new BuiltCommitmentTransaction given each field
68 public static BuiltCommitmentTransaction of(byte[] transaction_arg, byte[] txid_arg) {
69 long ret = bindings.BuiltCommitmentTransaction_new(transaction_arg, InternalUtils.check_arr_len(txid_arg, 32));
70 Reference.reachabilityFence(transaction_arg);
71 Reference.reachabilityFence(txid_arg);
72 if (ret >= 0 && ret <= 4096) { return null; }
73 org.ldk.structs.BuiltCommitmentTransaction ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.BuiltCommitmentTransaction(null, ret); }
74 ret_hu_conv.ptrs_to.add(ret_hu_conv);
79 long ret = bindings.BuiltCommitmentTransaction_clone_ptr(this.ptr);
80 Reference.reachabilityFence(this);
85 * Creates a copy of the BuiltCommitmentTransaction
87 public BuiltCommitmentTransaction clone() {
88 long ret = bindings.BuiltCommitmentTransaction_clone(this.ptr);
89 Reference.reachabilityFence(this);
90 if (ret >= 0 && ret <= 4096) { return null; }
91 org.ldk.structs.BuiltCommitmentTransaction ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.BuiltCommitmentTransaction(null, ret); }
92 ret_hu_conv.ptrs_to.add(this);
97 * Serialize the BuiltCommitmentTransaction object into a byte array which can be read by BuiltCommitmentTransaction_read
99 public byte[] write() {
100 byte[] ret = bindings.BuiltCommitmentTransaction_write(this.ptr);
101 Reference.reachabilityFence(this);
106 * Read a BuiltCommitmentTransaction from a byte array, created by BuiltCommitmentTransaction_write
108 public static Result_BuiltCommitmentTransactionDecodeErrorZ read(byte[] ser) {
109 long ret = bindings.BuiltCommitmentTransaction_read(ser);
110 Reference.reachabilityFence(ser);
111 if (ret >= 0 && ret <= 4096) { return null; }
112 Result_BuiltCommitmentTransactionDecodeErrorZ ret_hu_conv = Result_BuiltCommitmentTransactionDecodeErrorZ.constr_from_ptr(ret);
117 * Get the SIGHASH_ALL sighash value of the transaction.
119 * This can be used to verify a signature.
121 public byte[] get_sighash_all(byte[] funding_redeemscript, long channel_value_satoshis) {
122 byte[] ret = bindings.BuiltCommitmentTransaction_get_sighash_all(this.ptr, funding_redeemscript, channel_value_satoshis);
123 Reference.reachabilityFence(this);
124 Reference.reachabilityFence(funding_redeemscript);
125 Reference.reachabilityFence(channel_value_satoshis);
130 * Sign a transaction, either because we are counter-signing the counterparty's transaction or
131 * because we are about to broadcast a holder transaction.
133 public byte[] sign(byte[] funding_key, byte[] funding_redeemscript, long channel_value_satoshis) {
134 byte[] ret = bindings.BuiltCommitmentTransaction_sign(this.ptr, InternalUtils.check_arr_len(funding_key, 32), funding_redeemscript, channel_value_satoshis);
135 Reference.reachabilityFence(this);
136 Reference.reachabilityFence(funding_key);
137 Reference.reachabilityFence(funding_redeemscript);
138 Reference.reachabilityFence(channel_value_satoshis);