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 < 1024) { return null; }
32 ClosingTransaction ret_hu_conv = new ClosingTransaction(null, ret);
33 ret_hu_conv.ptrs_to.add(ret_hu_conv);
34 ret_hu_conv.ptrs_to.add(funding_outpoint);
39 * Trust our pre-built transaction.
41 * Applies a wrapper which allows access to the transaction.
43 * This should only be used if you fully trust the builder of this object. It should not
44 * be used by an external signer - instead use the verify function.
46 public TrustedClosingTransaction trust() {
47 long ret = bindings.ClosingTransaction_trust(this.ptr);
48 if (ret < 1024) { return null; }
49 TrustedClosingTransaction ret_hu_conv = new TrustedClosingTransaction(null, ret);
50 ret_hu_conv.ptrs_to.add(this);
55 * Verify our pre-built transaction.
57 * Applies a wrapper which allows access to the transaction.
59 * An external validating signer must call this method before signing
60 * or using the built transaction.
62 public Result_TrustedClosingTransactionNoneZ verify(OutPoint funding_outpoint) {
63 long ret = bindings.ClosingTransaction_verify(this.ptr, funding_outpoint == null ? 0 : funding_outpoint.ptr & ~1);
64 if (ret < 1024) { return null; }
65 Result_TrustedClosingTransactionNoneZ ret_hu_conv = Result_TrustedClosingTransactionNoneZ.constr_from_ptr(ret);
66 this.ptrs_to.add(funding_outpoint);
71 * The value to be sent to the holder, or zero if the output will be omitted
73 public long to_holder_value_sat() {
74 long ret = bindings.ClosingTransaction_to_holder_value_sat(this.ptr);
79 * The value to be sent to the counterparty, or zero if the output will be omitted
81 public long to_counterparty_value_sat() {
82 long ret = bindings.ClosingTransaction_to_counterparty_value_sat(this.ptr);
87 * The destination of the holder's output
89 public byte[] to_holder_script() {
90 byte[] ret = bindings.ClosingTransaction_to_holder_script(this.ptr);
95 * The destination of the counterparty's output
97 public byte[] to_counterparty_script() {
98 byte[] ret = bindings.ClosingTransaction_to_counterparty_script(this.ptr);