1 package org.ldk.structs;
3 import org.ldk.impl.bindings;
4 import org.ldk.enums.*;
6 import java.util.Arrays;
7 import javax.annotation.Nullable;
11 * This class tracks the per-transaction information needed to build a closing transaction and will
12 * actually build it and sign.
14 * This class can be used inside a signer implementation to generate a signature given the relevant
17 @SuppressWarnings("unchecked") // We correctly assign various generic arrays
18 public class ClosingTransaction extends CommonBase {
19 ClosingTransaction(Object _dummy, long ptr) { super(ptr); }
20 @Override @SuppressWarnings("deprecation")
21 protected void finalize() throws Throwable {
23 if (ptr != 0) { bindings.ClosingTransaction_free(ptr); }
27 * Construct an object of the class
29 public static ClosingTransaction of(long to_holder_value_sat, long to_counterparty_value_sat, byte[] to_holder_script, byte[] to_counterparty_script, OutPoint funding_outpoint) {
30 long ret = bindings.ClosingTransaction_new(to_holder_value_sat, to_counterparty_value_sat, to_holder_script, to_counterparty_script, funding_outpoint == null ? 0 : funding_outpoint.ptr & ~1);
31 if (ret >= 0 && ret < 1024) { return null; }
32 ClosingTransaction ret_hu_conv = new ClosingTransaction(null, ret);
33 ret_hu_conv.ptrs_to.add(ret_hu_conv);
38 * Trust our pre-built transaction.
40 * Applies a wrapper which allows access to the transaction.
42 * This should only be used if you fully trust the builder of this object. It should not
43 * be used by an external signer - instead use the verify function.
45 public TrustedClosingTransaction trust() {
46 long ret = bindings.ClosingTransaction_trust(this.ptr);
47 if (ret >= 0 && ret < 1024) { return null; }
48 TrustedClosingTransaction ret_hu_conv = new TrustedClosingTransaction(null, ret);
49 ret_hu_conv.ptrs_to.add(this);
54 * Verify our pre-built transaction.
56 * Applies a wrapper which allows access to the transaction.
58 * An external validating signer must call this method before signing
59 * or using the built transaction.
61 public Result_TrustedClosingTransactionNoneZ verify(OutPoint funding_outpoint) {
62 long ret = bindings.ClosingTransaction_verify(this.ptr, funding_outpoint == null ? 0 : funding_outpoint.ptr & ~1);
63 if (ret >= 0 && ret < 1024) { return null; }
64 Result_TrustedClosingTransactionNoneZ ret_hu_conv = Result_TrustedClosingTransactionNoneZ.constr_from_ptr(ret);
69 * The value to be sent to the holder, or zero if the output will be omitted
71 public long to_holder_value_sat() {
72 long ret = bindings.ClosingTransaction_to_holder_value_sat(this.ptr);
77 * The value to be sent to the counterparty, or zero if the output will be omitted
79 public long to_counterparty_value_sat() {
80 long ret = bindings.ClosingTransaction_to_counterparty_value_sat(this.ptr);
85 * The destination of the holder's output
87 public byte[] to_holder_script() {
88 byte[] ret = bindings.ClosingTransaction_to_holder_script(this.ptr);
93 * The destination of the counterparty's output
95 public byte[] to_counterparty_script() {
96 byte[] ret = bindings.ClosingTransaction_to_counterparty_script(this.ptr);