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 * Information needed to build and sign a holder's commitment transaction.
14 * The transaction is only signed once we are ready to broadcast.
16 @SuppressWarnings("unchecked") // We correctly assign various generic arrays
17 public class HolderCommitmentTransaction extends CommonBase {
18 HolderCommitmentTransaction(Object _dummy, long ptr) { super(ptr); }
19 @Override @SuppressWarnings("deprecation")
20 protected void finalize() throws Throwable {
22 if (ptr != 0) { bindings.HolderCommitmentTransaction_free(ptr); }
26 * Our counterparty's signature for the transaction
28 public byte[] get_counterparty_sig() {
29 byte[] ret = bindings.HolderCommitmentTransaction_get_counterparty_sig(this.ptr);
30 Reference.reachabilityFence(this);
35 * Our counterparty's signature for the transaction
37 public void set_counterparty_sig(byte[] val) {
38 bindings.HolderCommitmentTransaction_set_counterparty_sig(this.ptr, InternalUtils.check_arr_len(val, 64));
39 Reference.reachabilityFence(this);
40 Reference.reachabilityFence(val);
44 * All non-dust counterparty HTLC signatures, in the order they appear in the transaction
46 public void set_counterparty_htlc_sigs(byte[][] val) {
47 bindings.HolderCommitmentTransaction_set_counterparty_htlc_sigs(this.ptr, val != null ? Arrays.stream(val).map(val_conv_8 -> InternalUtils.check_arr_len(val_conv_8, 64)).toArray(byte[][]::new) : null);
48 Reference.reachabilityFence(this);
49 Reference.reachabilityFence(val);
53 long ret = bindings.HolderCommitmentTransaction_clone_ptr(this.ptr);
54 Reference.reachabilityFence(this);
59 * Creates a copy of the HolderCommitmentTransaction
61 public HolderCommitmentTransaction clone() {
62 long ret = bindings.HolderCommitmentTransaction_clone(this.ptr);
63 Reference.reachabilityFence(this);
64 if (ret >= 0 && ret <= 4096) { return null; }
65 org.ldk.structs.HolderCommitmentTransaction ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.HolderCommitmentTransaction(null, ret); }
66 ret_hu_conv.ptrs_to.add(this);
71 * Serialize the HolderCommitmentTransaction object into a byte array which can be read by HolderCommitmentTransaction_read
73 public byte[] write() {
74 byte[] ret = bindings.HolderCommitmentTransaction_write(this.ptr);
75 Reference.reachabilityFence(this);
80 * Read a HolderCommitmentTransaction from a byte array, created by HolderCommitmentTransaction_write
82 public static Result_HolderCommitmentTransactionDecodeErrorZ read(byte[] ser) {
83 long ret = bindings.HolderCommitmentTransaction_read(ser);
84 Reference.reachabilityFence(ser);
85 if (ret >= 0 && ret <= 4096) { return null; }
86 Result_HolderCommitmentTransactionDecodeErrorZ ret_hu_conv = Result_HolderCommitmentTransactionDecodeErrorZ.constr_from_ptr(ret);
91 * Create a new holder transaction with the given counterparty signatures.
92 * The funding keys are used to figure out which signature should go first when building the transaction for broadcast.
94 public static HolderCommitmentTransaction of(CommitmentTransaction commitment_tx, byte[] counterparty_sig, byte[][] counterparty_htlc_sigs, byte[] holder_funding_key, byte[] counterparty_funding_key) {
95 long ret = bindings.HolderCommitmentTransaction_new(commitment_tx == null ? 0 : commitment_tx.ptr & ~1, InternalUtils.check_arr_len(counterparty_sig, 64), counterparty_htlc_sigs != null ? Arrays.stream(counterparty_htlc_sigs).map(counterparty_htlc_sigs_conv_8 -> InternalUtils.check_arr_len(counterparty_htlc_sigs_conv_8, 64)).toArray(byte[][]::new) : null, InternalUtils.check_arr_len(holder_funding_key, 33), InternalUtils.check_arr_len(counterparty_funding_key, 33));
96 Reference.reachabilityFence(commitment_tx);
97 Reference.reachabilityFence(counterparty_sig);
98 Reference.reachabilityFence(counterparty_htlc_sigs);
99 Reference.reachabilityFence(holder_funding_key);
100 Reference.reachabilityFence(counterparty_funding_key);
101 if (ret >= 0 && ret <= 4096) { return null; }
102 org.ldk.structs.HolderCommitmentTransaction ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.HolderCommitmentTransaction(null, ret); }
103 ret_hu_conv.ptrs_to.add(ret_hu_conv);