import org.ldk.impl.bindings;
import org.ldk.enums.*;
+import org.ldk.util.*;
+import java.util.Arrays;
+import javax.annotation.Nullable;
+
+/**
+ * Information needed to build and sign a holder's commitment transaction.
+ *
+ * The transaction is only signed once we are ready to broadcast.
+ */
+@SuppressWarnings("unchecked") // We correctly assign various generic arrays
public class HolderCommitmentTransaction extends CommonBase {
HolderCommitmentTransaction(Object _dummy, long ptr) { super(ptr); }
@Override @SuppressWarnings("deprecation")
protected void finalize() throws Throwable {
- bindings.HolderCommitmentTransaction_free(ptr); super.finalize();
+ super.finalize();
+ if (ptr != 0) { bindings.HolderCommitmentTransaction_free(ptr); }
}
- public HolderCommitmentTransaction(HolderCommitmentTransaction orig) {
- super(bindings.HolderCommitmentTransaction_clone(orig.ptr & ~1));
- this.ptrs_to.add(orig);
+ /**
+ * Our counterparty's signature for the transaction
+ */
+ public byte[] get_counterparty_sig() {
+ byte[] ret = bindings.HolderCommitmentTransaction_get_counterparty_sig(this.ptr);
+ return ret;
}
- // Skipped HolderCommitmentTransaction_get_unsigned_tx
- // Skipped HolderCommitmentTransaction_set_unsigned_tx
- public byte[] get_counterparty_sig(HolderCommitmentTransaction this_ptr) {
- byte[] ret = bindings.HolderCommitmentTransaction_get_counterparty_sig(this_ptr.ptr & ~1);
- this.ptrs_to.add(this_ptr);
- return ret;
+ /**
+ * Our counterparty's signature for the transaction
+ */
+ public void set_counterparty_sig(byte[] val) {
+ bindings.HolderCommitmentTransaction_set_counterparty_sig(this.ptr, InternalUtils.check_arr_len(val, 64));
}
- public void set_counterparty_sig(HolderCommitmentTransaction this_ptr, byte[] val) {
- bindings.HolderCommitmentTransaction_set_counterparty_sig(this_ptr.ptr & ~1, val);
- this.ptrs_to.add(this_ptr);
+ /**
+ * All non-dust counterparty HTLC signatures, in the order they appear in the transaction
+ */
+ public void set_counterparty_htlc_sigs(byte[][] val) {
+ 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);
}
- public int get_feerate_per_kw(HolderCommitmentTransaction this_ptr) {
- int ret = bindings.HolderCommitmentTransaction_get_feerate_per_kw(this_ptr.ptr & ~1);
- this.ptrs_to.add(this_ptr);
+ long clone_ptr() {
+ long ret = bindings.HolderCommitmentTransaction_clone_ptr(this.ptr);
return ret;
}
- public void set_feerate_per_kw(HolderCommitmentTransaction this_ptr, int val) {
- bindings.HolderCommitmentTransaction_set_feerate_per_kw(this_ptr.ptr & ~1, val);
- this.ptrs_to.add(this_ptr);
+ /**
+ * Creates a copy of the HolderCommitmentTransaction
+ */
+ public HolderCommitmentTransaction clone() {
+ long ret = bindings.HolderCommitmentTransaction_clone(this.ptr);
+ if (ret >= 0 && ret <= 4096) { return null; }
+ HolderCommitmentTransaction ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new HolderCommitmentTransaction(null, ret); }
+ ret_hu_conv.ptrs_to.add(this);
+ return ret_hu_conv;
}
- // Skipped HolderCommitmentTransaction_set_per_htlc
- // Skipped HolderCommitmentTransaction_new_missing_holder_sig
- public TxCreationKeys trust_key_derivation() {
- TxCreationKeys ret = new TxCreationKeys(null, bindings.HolderCommitmentTransaction_trust_key_derivation(this.ptr));
+ /**
+ * Serialize the HolderCommitmentTransaction object into a byte array which can be read by HolderCommitmentTransaction_read
+ */
+ public byte[] write() {
+ byte[] ret = bindings.HolderCommitmentTransaction_write(this.ptr);
return ret;
}
- public byte[] txid() {
- byte[] ret = bindings.HolderCommitmentTransaction_txid(this.ptr);
- return ret;
+ /**
+ * Read a HolderCommitmentTransaction from a byte array, created by HolderCommitmentTransaction_write
+ */
+ public static Result_HolderCommitmentTransactionDecodeErrorZ read(byte[] ser) {
+ long ret = bindings.HolderCommitmentTransaction_read(ser);
+ if (ret >= 0 && ret <= 4096) { return null; }
+ Result_HolderCommitmentTransactionDecodeErrorZ ret_hu_conv = Result_HolderCommitmentTransactionDecodeErrorZ.constr_from_ptr(ret);
+ return ret_hu_conv;
+ }
+
+ /**
+ * Create a new holder transaction with the given counterparty signatures.
+ * The funding keys are used to figure out which signature should go first when building the transaction for broadcast.
+ */
+ public static HolderCommitmentTransaction of(CommitmentTransaction commitment_tx, byte[] counterparty_sig, byte[][] counterparty_htlc_sigs, byte[] holder_funding_key, byte[] counterparty_funding_key) {
+ 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));
+ if (ret >= 0 && ret <= 4096) { return null; }
+ HolderCommitmentTransaction ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new HolderCommitmentTransaction(null, ret); }
+ ret_hu_conv.ptrs_to.add(ret_hu_conv);
+ return ret_hu_conv;
}
- // Skipped HolderCommitmentTransaction_get_holder_sig
- // Skipped HolderCommitmentTransaction_get_htlc_sigs
- // Skipped HolderCommitmentTransaction_write
- // Skipped HolderCommitmentTransaction_read
}
projects / ldk-java / blobdiff