_ Git - ldk-java/blob - src/main/java/org/ldk/structs/HolderCommitmentTransaction.java

   1 package org.ldk.structs;
   2
   3 import org.ldk.impl.bindings;
   4 import org.ldk.enums.*;
   5 import org.ldk.util.*;
   6 import java.util.Arrays;
   7 import javax.annotation.Nullable;
   8
   9
  10 /**
  11  * Information needed to build and sign a holder's commitment transaction.
  12  *
  13  * The transaction is only signed once we are ready to broadcast.
  14  */
  15 @SuppressWarnings("unchecked") // We correctly assign various generic arrays
  16 public class HolderCommitmentTransaction extends CommonBase {
  17         HolderCommitmentTransaction(Object _dummy, long ptr) { super(ptr); }
  18         @Override @SuppressWarnings("deprecation")
  19         protected void finalize() throws Throwable {
  20                 super.finalize();
  21                 if (ptr != 0) { bindings.HolderCommitmentTransaction_free(ptr); }
  22         }
  23
  24         /**
  25          * Our counterparty's signature for the transaction
  26          */
  27         public byte[] get_counterparty_sig() {
  28                 byte[] ret = bindings.HolderCommitmentTransaction_get_counterparty_sig(this.ptr);
  29                 return ret;
  30         }
  31
  32         /**
  33          * Our counterparty's signature for the transaction
  34          */
  35         public void set_counterparty_sig(byte[] val) {
  36                 bindings.HolderCommitmentTransaction_set_counterparty_sig(this.ptr, InternalUtils.check_arr_len(val, 64));
  37         }
  38
  39         /**
  40          * All non-dust counterparty HTLC signatures, in the order they appear in the transaction
  41          */
  42         public void set_counterparty_htlc_sigs(byte[][] val) {
  43                 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);
  44         }
  45
  46         long clone_ptr() {
  47                 long ret = bindings.HolderCommitmentTransaction_clone_ptr(this.ptr);
  48                 return ret;
  49         }
  50
  51         /**
  52          * Creates a copy of the HolderCommitmentTransaction
  53          */
  54         public HolderCommitmentTransaction clone() {
  55                 long ret = bindings.HolderCommitmentTransaction_clone(this.ptr);
  56                 if (ret >= 0 && ret <= 4096) { return null; }
  57                 HolderCommitmentTransaction ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new HolderCommitmentTransaction(null, ret); }
  58                 ret_hu_conv.ptrs_to.add(this);
  59                 return ret_hu_conv;
  60         }
  61
  62         /**
  63          * Serialize the HolderCommitmentTransaction object into a byte array which can be read by HolderCommitmentTransaction_read
  64          */
  65         public byte[] write() {
  66                 byte[] ret = bindings.HolderCommitmentTransaction_write(this.ptr);
  67                 return ret;
  68         }
  69
  70         /**
  71          * Read a HolderCommitmentTransaction from a byte array, created by HolderCommitmentTransaction_write
  72          */
  73         public static Result_HolderCommitmentTransactionDecodeErrorZ read(byte[] ser) {
  74                 long ret = bindings.HolderCommitmentTransaction_read(ser);
  75                 if (ret >= 0 && ret <= 4096) { return null; }
  76                 Result_HolderCommitmentTransactionDecodeErrorZ ret_hu_conv = Result_HolderCommitmentTransactionDecodeErrorZ.constr_from_ptr(ret);
  77                 return ret_hu_conv;
  78         }
  79
  80         /**
  81          * Create a new holder transaction with the given counterparty signatures.
  82          * The funding keys are used to figure out which signature should go first when building the transaction for broadcast.
  83          */
  84         public static HolderCommitmentTransaction of(CommitmentTransaction commitment_tx, byte[] counterparty_sig, byte[][] counterparty_htlc_sigs, byte[] holder_funding_key, byte[] counterparty_funding_key) {
  85                 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));
  86                 if (ret >= 0 && ret <= 4096) { return null; }
  87                 HolderCommitmentTransaction ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new HolderCommitmentTransaction(null, ret); }
  88                 ret_hu_conv.ptrs_to.add(ret_hu_conv);
  89                 return ret_hu_conv;
  90         }
  91
  92 }