_ 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 java.lang.ref.Reference;
   8 import javax.annotation.Nullable;
   9
  10
  11 /**
  12  * Information needed to build and sign a holder's commitment transaction.
  13  *
  14  * The transaction is only signed once we are ready to broadcast.
  15  */
  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 {
  21                 super.finalize();
  22                 if (ptr != 0) { bindings.HolderCommitmentTransaction_free(ptr); }
  23         }
  24
  25         /**
  26          * Our counterparty's signature for the transaction
  27          */
  28         public byte[] get_counterparty_sig() {
  29                 byte[] ret = bindings.HolderCommitmentTransaction_get_counterparty_sig(this.ptr);
  30                 Reference.reachabilityFence(this);
  31                 return ret;
  32         }
  33
  34         /**
  35          * Our counterparty's signature for the transaction
  36          */
  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);
  41         }
  42
  43         /**
  44          * All non-dust counterparty HTLC signatures, in the order they appear in the transaction
  45          */
  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);
  50         }
  51
  52         long clone_ptr() {
  53                 long ret = bindings.HolderCommitmentTransaction_clone_ptr(this.ptr);
  54                 Reference.reachabilityFence(this);
  55                 return ret;
  56         }
  57
  58         /**
  59          * Creates a copy of the HolderCommitmentTransaction
  60          */
  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                 HolderCommitmentTransaction ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new HolderCommitmentTransaction(null, ret); }
  66                 ret_hu_conv.ptrs_to.add(this);
  67                 return ret_hu_conv;
  68         }
  69
  70         /**
  71          * Serialize the HolderCommitmentTransaction object into a byte array which can be read by HolderCommitmentTransaction_read
  72          */
  73         public byte[] write() {
  74                 byte[] ret = bindings.HolderCommitmentTransaction_write(this.ptr);
  75                 Reference.reachabilityFence(this);
  76                 return ret;
  77         }
  78
  79         /**
  80          * Read a HolderCommitmentTransaction from a byte array, created by HolderCommitmentTransaction_write
  81          */
  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);
  87                 return ret_hu_conv;
  88         }
  89
  90         /**
  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.
  93          */
  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                 HolderCommitmentTransaction ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new HolderCommitmentTransaction(null, ret); }
 103                 ret_hu_conv.ptrs_to.add(ret_hu_conv);
 104                 return ret_hu_conv;
 105         }
 106
 107 }