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

   1 package org.ldk.structs;
   2 import org.ldk.impl.bindings;
   3 import org.ldk.enums.*;
   4 import org.ldk.util.*;
   5 import java.util.Arrays;
   6 import java.lang.ref.Reference;
   7 import javax.annotation.Nullable;
   8
   9 public class UtilMethods {
  10         /**
  11          * Gets the 128-bit integer, as 16 little-endian bytes
  12          */
  13         public static byte[] U128_le_bytes(org.ldk.util.UInt128 val) {
  14                 byte[] ret = bindings.U128_le_bytes(val.getLEBytes());
  15                 Reference.reachabilityFence(val);
  16                 return ret;
  17         }
  18
  19         /**
  20          * Constructs a new U128 from 16 little-endian bytes
  21          */
  22         public static UInt128 U128_new(byte[] le_bytes) {
  23                 byte[] ret = bindings.U128_new(InternalUtils.check_arr_len(le_bytes, 16));
  24                 Reference.reachabilityFence(le_bytes);
  25                 org.ldk.util.UInt128 ret_conv = new org.ldk.util.UInt128(ret);
  26                 return ret_conv;
  27         }
  28
  29         /**
  30          * Constructs a new COption_NoneZ containing a
  31          */
  32         public static COption_NoneZ COption_NoneZ_some() {
  33                 COption_NoneZ ret = bindings.COption_NoneZ_some();
  34                 return ret;
  35         }
  36
  37         /**
  38          * Constructs a new COption_NoneZ containing nothing
  39          */
  40         public static COption_NoneZ COption_NoneZ_none() {
  41                 COption_NoneZ ret = bindings.COption_NoneZ_none();
  42                 return ret;
  43         }
  44
  45         /**
  46          * Read a ClosureReason from a byte array, created by ClosureReason_write
  47          */
  48         public static Result_COption_ClosureReasonZDecodeErrorZ ClosureReason_read(byte[] ser) {
  49                 long ret = bindings.ClosureReason_read(ser);
  50                 Reference.reachabilityFence(ser);
  51                 if (ret >= 0 && ret <= 4096) { return null; }
  52                 Result_COption_ClosureReasonZDecodeErrorZ ret_hu_conv = Result_COption_ClosureReasonZDecodeErrorZ.constr_from_ptr(ret);
  53                 return ret_hu_conv;
  54         }
  55
  56         /**
  57          * Read a HTLCDestination from a byte array, created by HTLCDestination_write
  58          */
  59         public static Result_COption_HTLCDestinationZDecodeErrorZ HTLCDestination_read(byte[] ser) {
  60                 long ret = bindings.HTLCDestination_read(ser);
  61                 Reference.reachabilityFence(ser);
  62                 if (ret >= 0 && ret <= 4096) { return null; }
  63                 Result_COption_HTLCDestinationZDecodeErrorZ ret_hu_conv = Result_COption_HTLCDestinationZDecodeErrorZ.constr_from_ptr(ret);
  64                 return ret_hu_conv;
  65         }
  66
  67         /**
  68          * Read a Event from a byte array, created by Event_write
  69          */
  70         public static Result_COption_EventZDecodeErrorZ Event_read(byte[] ser) {
  71                 long ret = bindings.Event_read(ser);
  72                 Reference.reachabilityFence(ser);
  73                 if (ret >= 0 && ret <= 4096) { return null; }
  74                 Result_COption_EventZDecodeErrorZ ret_hu_conv = Result_COption_EventZDecodeErrorZ.constr_from_ptr(ret);
  75                 return ret_hu_conv;
  76         }
  77
  78         /**
  79          * Creates a digital signature of a message given a SecretKey, like the node's secret.
  80          * A receiver knowing the PublicKey (e.g. the node's id) and the message can be sure that the signature was generated by the caller.
  81          * Signatures are EC recoverable, meaning that given the message and the signature the PublicKey of the signer can be extracted.
  82          */
  83         public static Result_StringErrorZ sign(byte[] msg, byte[] sk) {
  84                 long ret = bindings.sign(msg, InternalUtils.check_arr_len(sk, 32));
  85                 Reference.reachabilityFence(msg);
  86                 Reference.reachabilityFence(sk);
  87                 if (ret >= 0 && ret <= 4096) { return null; }
  88                 Result_StringErrorZ ret_hu_conv = Result_StringErrorZ.constr_from_ptr(ret);
  89                 return ret_hu_conv;
  90         }
  91
  92         /**
  93          * Recovers the PublicKey of the signer of the message given the message and the signature.
  94          */
  95         public static Result_PublicKeyErrorZ recover_pk(byte[] msg, java.lang.String sig) {
  96                 long ret = bindings.recover_pk(msg, sig);
  97                 Reference.reachabilityFence(msg);
  98                 Reference.reachabilityFence(sig);
  99                 if (ret >= 0 && ret <= 4096) { return null; }
 100                 Result_PublicKeyErrorZ ret_hu_conv = Result_PublicKeyErrorZ.constr_from_ptr(ret);
 101                 return ret_hu_conv;
 102         }
 103
 104         /**
 105          * Verifies a message was signed by a PrivateKey that derives to a given PublicKey, given a message, a signature,
 106          * and the PublicKey.
 107          */
 108         public static boolean verify(byte[] msg, java.lang.String sig, byte[] pk) {
 109                 boolean ret = bindings.verify(msg, sig, InternalUtils.check_arr_len(pk, 33));
 110                 Reference.reachabilityFence(msg);
 111                 Reference.reachabilityFence(sig);
 112                 Reference.reachabilityFence(pk);
 113                 return ret;
 114         }
 115
 116         /**
 117          * Construct the invoice's HRP and signatureless data into a preimage to be hashed.
 118          */
 119         public static byte[] construct_invoice_preimage(byte[] hrp_bytes, UInt5[] data_without_signature) {
 120                 byte[] ret = bindings.construct_invoice_preimage(hrp_bytes, data_without_signature != null ? InternalUtils.convUInt5Array(data_without_signature) : null);
 121                 Reference.reachabilityFence(hrp_bytes);
 122                 Reference.reachabilityFence(data_without_signature);
 123                 return ret;
 124         }
 125
 126         /**
 127          * Read a MonitorEvent from a byte array, created by MonitorEvent_write
 128          */
 129         public static Result_COption_MonitorEventZDecodeErrorZ MonitorEvent_read(byte[] ser) {
 130                 long ret = bindings.MonitorEvent_read(ser);
 131                 Reference.reachabilityFence(ser);
 132                 if (ret >= 0 && ret <= 4096) { return null; }
 133                 Result_COption_MonitorEventZDecodeErrorZ ret_hu_conv = Result_COption_MonitorEventZDecodeErrorZ.constr_from_ptr(ret);
 134                 return ret_hu_conv;
 135         }
 136
 137         /**
 138          * Read a C2Tuple_BlockHashChannelMonitorZ from a byte array, created by C2Tuple_BlockHashChannelMonitorZ_write
 139          */
 140         public static Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ C2Tuple_BlockHashChannelMonitorZ_read(byte[] ser, org.ldk.structs.KeysInterface arg) {
 141                 long ret = bindings.C2Tuple_BlockHashChannelMonitorZ_read(ser, arg == null ? 0 : arg.ptr);
 142                 Reference.reachabilityFence(ser);
 143                 Reference.reachabilityFence(arg);
 144                 if (ret >= 0 && ret <= 4096) { return null; }
 145                 Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ ret_hu_conv = Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ.constr_from_ptr(ret);
 146                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(arg); };
 147                 return ret_hu_conv;
 148         }
 149
 150         /**
 151          * Fetches the set of [`NodeFeatures`] flags which are provided by or required by
 152          * [`ChannelManager`].
 153          */
 154         public static NodeFeatures provided_node_features() {
 155                 long ret = bindings.provided_node_features();
 156                 if (ret >= 0 && ret <= 4096) { return null; }
 157                 org.ldk.structs.NodeFeatures ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.NodeFeatures(null, ret); }
 158                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(ret_hu_conv); };
 159                 return ret_hu_conv;
 160         }
 161
 162         /**
 163          * Fetches the set of [`ChannelFeatures`] flags which are provided by or required by
 164          * [`ChannelManager`].
 165          */
 166         public static ChannelFeatures provided_channel_features() {
 167                 long ret = bindings.provided_channel_features();
 168                 if (ret >= 0 && ret <= 4096) { return null; }
 169                 org.ldk.structs.ChannelFeatures ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.ChannelFeatures(null, ret); }
 170                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(ret_hu_conv); };
 171                 return ret_hu_conv;
 172         }
 173
 174         /**
 175          * Fetches the set of [`InitFeatures`] flags which are provided by or required by
 176          * [`ChannelManager`].
 177          */
 178         public static InitFeatures provided_init_features() {
 179                 long ret = bindings.provided_init_features();
 180                 if (ret >= 0 && ret <= 4096) { return null; }
 181                 org.ldk.structs.InitFeatures ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.InitFeatures(null, ret); }
 182                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(ret_hu_conv); };
 183                 return ret_hu_conv;
 184         }
 185
 186         /**
 187          * Read a C2Tuple_BlockHashChannelManagerZ from a byte array, created by C2Tuple_BlockHashChannelManagerZ_write
 188          */
 189         public static Result_C2Tuple_BlockHashChannelManagerZDecodeErrorZ C2Tuple_BlockHashChannelManagerZ_read(byte[] ser, KeysInterface arg_keys_manager, FeeEstimator arg_fee_estimator, Watch arg_chain_monitor, BroadcasterInterface arg_tx_broadcaster, Logger arg_logger, UserConfig arg_default_config, ChannelMonitor[] arg_channel_monitors) {
 190                 long ret = bindings.C2Tuple_BlockHashChannelManagerZ_read(ser, bindings.ChannelManagerReadArgs_new(arg_keys_manager == null ? 0 : arg_keys_manager.ptr, arg_fee_estimator == null ? 0 : arg_fee_estimator.ptr, arg_chain_monitor == null ? 0 : arg_chain_monitor.ptr, arg_tx_broadcaster == null ? 0 : arg_tx_broadcaster.ptr, arg_logger == null ? 0 : arg_logger.ptr, arg_default_config == null ? 0 : arg_default_config.ptr, arg_channel_monitors != null ? Arrays.stream(arg_channel_monitors).mapToLong(arg_channel_monitors_conv_16 -> arg_channel_monitors_conv_16 == null ? 0 : arg_channel_monitors_conv_16.ptr).toArray() : null));
 191                 Reference.reachabilityFence(ser);
 192                 Reference.reachabilityFence(arg_keys_manager);
 193                 Reference.reachabilityFence(arg_fee_estimator);
 194                 Reference.reachabilityFence(arg_chain_monitor);
 195                 Reference.reachabilityFence(arg_tx_broadcaster);
 196                 Reference.reachabilityFence(arg_logger);
 197                 Reference.reachabilityFence(arg_default_config);
 198                 Reference.reachabilityFence(arg_channel_monitors);
 199                 if (ret >= 0 && ret <= 4096) { return null; }
 200                 Result_C2Tuple_BlockHashChannelManagerZDecodeErrorZ ret_hu_conv = Result_C2Tuple_BlockHashChannelManagerZDecodeErrorZ.constr_from_ptr(ret);
 201                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(arg_keys_manager); };
 202                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(arg_fee_estimator); };
 203                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(arg_chain_monitor); };
 204                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(arg_tx_broadcaster); };
 205                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(arg_logger); };
 206                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(arg_default_config); };
 207                 for (ChannelMonitor arg_channel_monitors_conv_16: arg_channel_monitors) { if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(arg_channel_monitors_conv_16); }; };
 208                 return ret_hu_conv;
 209         }
 210
 211         /**
 212          * Equivalent to [`crate::ln::channelmanager::ChannelManager::create_inbound_payment`], but no
 213          * `ChannelManager` is required. Useful for generating invoices for [phantom node payments] without
 214          * a `ChannelManager`.
 215          *
 216          * `keys` is generated by calling [`KeysInterface::get_inbound_payment_key_material`] and then
 217          * calling [`ExpandedKey::new`] with its result. It is recommended to cache this value and not
 218          * regenerate it for each new inbound payment.
 219          *
 220          * `current_time` is a Unix timestamp representing the current time.
 221          *
 222          * [phantom node payments]: crate::chain::keysinterface::PhantomKeysManager
 223          */
 224         public static Result_C2Tuple_PaymentHashPaymentSecretZNoneZ create(org.ldk.structs.ExpandedKey keys, org.ldk.structs.Option_u64Z min_value_msat, int invoice_expiry_delta_secs, org.ldk.structs.KeysInterface keys_manager, long current_time) {
 225                 long ret = bindings.create(keys == null ? 0 : keys.ptr, min_value_msat.ptr, invoice_expiry_delta_secs, keys_manager == null ? 0 : keys_manager.ptr, current_time);
 226                 Reference.reachabilityFence(keys);
 227                 Reference.reachabilityFence(min_value_msat);
 228                 Reference.reachabilityFence(invoice_expiry_delta_secs);
 229                 Reference.reachabilityFence(keys_manager);
 230                 Reference.reachabilityFence(current_time);
 231                 if (ret >= 0 && ret <= 4096) { return null; }
 232                 Result_C2Tuple_PaymentHashPaymentSecretZNoneZ ret_hu_conv = Result_C2Tuple_PaymentHashPaymentSecretZNoneZ.constr_from_ptr(ret);
 233                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(keys); };
 234                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(keys_manager); };
 235                 return ret_hu_conv;
 236         }
 237
 238         /**
 239          * Equivalent to [`crate::ln::channelmanager::ChannelManager::create_inbound_payment_for_hash`],
 240          * but no `ChannelManager` is required. Useful for generating invoices for [phantom node payments]
 241          * without a `ChannelManager`.
 242          *
 243          * See [`create`] for information on the `keys` and `current_time` parameters.
 244          *
 245          * [phantom node payments]: crate::chain::keysinterface::PhantomKeysManager
 246          */
 247         public static Result_PaymentSecretNoneZ create_from_hash(org.ldk.structs.ExpandedKey keys, org.ldk.structs.Option_u64Z min_value_msat, byte[] payment_hash, int invoice_expiry_delta_secs, long current_time) {
 248                 long ret = bindings.create_from_hash(keys == null ? 0 : keys.ptr, min_value_msat.ptr, InternalUtils.check_arr_len(payment_hash, 32), invoice_expiry_delta_secs, current_time);
 249                 Reference.reachabilityFence(keys);
 250                 Reference.reachabilityFence(min_value_msat);
 251                 Reference.reachabilityFence(payment_hash);
 252                 Reference.reachabilityFence(invoice_expiry_delta_secs);
 253                 Reference.reachabilityFence(current_time);
 254                 if (ret >= 0 && ret <= 4096) { return null; }
 255                 Result_PaymentSecretNoneZ ret_hu_conv = Result_PaymentSecretNoneZ.constr_from_ptr(ret);
 256                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(keys); };
 257                 return ret_hu_conv;
 258         }
 259
 260         /**
 261          * Gets the weight for an HTLC-Success transaction.
 262          */
 263         public static long htlc_success_tx_weight(boolean opt_anchors) {
 264                 long ret = bindings.htlc_success_tx_weight(opt_anchors);
 265                 Reference.reachabilityFence(opt_anchors);
 266                 return ret;
 267         }
 268
 269         /**
 270          * Gets the weight for an HTLC-Timeout transaction.
 271          */
 272         public static long htlc_timeout_tx_weight(boolean opt_anchors) {
 273                 long ret = bindings.htlc_timeout_tx_weight(opt_anchors);
 274                 Reference.reachabilityFence(opt_anchors);
 275                 return ret;
 276         }
 277
 278         /**
 279          * Check if a given input witness attempts to claim a HTLC.
 280          */
 281         public static Option_HTLCClaimZ HTLCClaim_from_witness(byte[] witness) {
 282                 long ret = bindings.HTLCClaim_from_witness(witness);
 283                 Reference.reachabilityFence(witness);
 284                 if (ret >= 0 && ret <= 4096) { return null; }
 285                 org.ldk.structs.Option_HTLCClaimZ ret_hu_conv = org.ldk.structs.Option_HTLCClaimZ.constr_from_ptr(ret);
 286                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(ret_hu_conv); };
 287                 return ret_hu_conv;
 288         }
 289
 290         /**
 291          * Build the commitment secret from the seed and the commitment number
 292          */
 293         public static byte[] build_commitment_secret(byte[] commitment_seed, long idx) {
 294                 byte[] ret = bindings.build_commitment_secret(InternalUtils.check_arr_len(commitment_seed, 32), idx);
 295                 Reference.reachabilityFence(commitment_seed);
 296                 Reference.reachabilityFence(idx);
 297                 return ret;
 298         }
 299
 300         /**
 301          * Build a closing transaction
 302          */
 303         public static byte[] build_closing_transaction(long to_holder_value_sat, long to_counterparty_value_sat, byte[] to_holder_script, byte[] to_counterparty_script, org.ldk.structs.OutPoint funding_outpoint) {
 304                 byte[] ret = bindings.build_closing_transaction(to_holder_value_sat, to_counterparty_value_sat, to_holder_script, to_counterparty_script, funding_outpoint == null ? 0 : funding_outpoint.ptr);
 305                 Reference.reachabilityFence(to_holder_value_sat);
 306                 Reference.reachabilityFence(to_counterparty_value_sat);
 307                 Reference.reachabilityFence(to_holder_script);
 308                 Reference.reachabilityFence(to_counterparty_script);
 309                 Reference.reachabilityFence(funding_outpoint);
 310                 return ret;
 311         }
 312
 313         /**
 314          * Derives a per-commitment-transaction private key (eg an htlc key or delayed_payment key)
 315          * from the base secret and the per_commitment_point.
 316          */
 317         public static byte[] derive_private_key(byte[] per_commitment_point, byte[] base_secret) {
 318                 byte[] ret = bindings.derive_private_key(InternalUtils.check_arr_len(per_commitment_point, 33), InternalUtils.check_arr_len(base_secret, 32));
 319                 Reference.reachabilityFence(per_commitment_point);
 320                 Reference.reachabilityFence(base_secret);
 321                 return ret;
 322         }
 323
 324         /**
 325          * Derives a per-commitment-transaction public key (eg an htlc key or a delayed_payment key)
 326          * from the base point and the per_commitment_key. This is the public equivalent of
 327          * derive_private_key - using only public keys to derive a public key instead of private keys.
 328          */
 329         public static byte[] derive_public_key(byte[] per_commitment_point, byte[] base_point) {
 330                 byte[] ret = bindings.derive_public_key(InternalUtils.check_arr_len(per_commitment_point, 33), InternalUtils.check_arr_len(base_point, 33));
 331                 Reference.reachabilityFence(per_commitment_point);
 332                 Reference.reachabilityFence(base_point);
 333                 return ret;
 334         }
 335
 336         /**
 337          * Derives a per-commitment-transaction revocation key from its constituent parts.
 338          *
 339          * Only the cheating participant owns a valid witness to propagate a revoked
 340          * commitment transaction, thus per_commitment_secret always come from cheater
 341          * and revocation_base_secret always come from punisher, which is the broadcaster
 342          * of the transaction spending with this key knowledge.
 343          */
 344         public static byte[] derive_private_revocation_key(byte[] per_commitment_secret, byte[] countersignatory_revocation_base_secret) {
 345                 byte[] ret = bindings.derive_private_revocation_key(InternalUtils.check_arr_len(per_commitment_secret, 32), InternalUtils.check_arr_len(countersignatory_revocation_base_secret, 32));
 346                 Reference.reachabilityFence(per_commitment_secret);
 347                 Reference.reachabilityFence(countersignatory_revocation_base_secret);
 348                 return ret;
 349         }
 350
 351         /**
 352          * Derives a per-commitment-transaction revocation public key from its constituent parts. This is
 353          * the public equivalend of derive_private_revocation_key - using only public keys to derive a
 354          * public key instead of private keys.
 355          *
 356          * Only the cheating participant owns a valid witness to propagate a revoked
 357          * commitment transaction, thus per_commitment_point always come from cheater
 358          * and revocation_base_point always come from punisher, which is the broadcaster
 359          * of the transaction spending with this key knowledge.
 360          *
 361          * Note that this is infallible iff we trust that at least one of the two input keys are randomly
 362          * generated (ie our own).
 363          */
 364         public static byte[] derive_public_revocation_key(byte[] per_commitment_point, byte[] countersignatory_revocation_base_point) {
 365                 byte[] ret = bindings.derive_public_revocation_key(InternalUtils.check_arr_len(per_commitment_point, 33), InternalUtils.check_arr_len(countersignatory_revocation_base_point, 33));
 366                 Reference.reachabilityFence(per_commitment_point);
 367                 Reference.reachabilityFence(countersignatory_revocation_base_point);
 368                 return ret;
 369         }
 370
 371         /**
 372          * A script either spendable by the revocation
 373          * key or the broadcaster_delayed_payment_key and satisfying the relative-locktime OP_CSV constrain.
 374          * Encumbering a `to_holder` output on a commitment transaction or 2nd-stage HTLC transactions.
 375          */
 376         public static byte[] get_revokeable_redeemscript(byte[] revocation_key, short contest_delay, byte[] broadcaster_delayed_payment_key) {
 377                 byte[] ret = bindings.get_revokeable_redeemscript(InternalUtils.check_arr_len(revocation_key, 33), contest_delay, InternalUtils.check_arr_len(broadcaster_delayed_payment_key, 33));
 378                 Reference.reachabilityFence(revocation_key);
 379                 Reference.reachabilityFence(contest_delay);
 380                 Reference.reachabilityFence(broadcaster_delayed_payment_key);
 381                 return ret;
 382         }
 383
 384         /**
 385          * Gets the witness redeemscript for an HTLC output in a commitment transaction. Note that htlc
 386          * does not need to have its previous_output_index filled.
 387          */
 388         public static byte[] get_htlc_redeemscript(org.ldk.structs.HTLCOutputInCommitment htlc, boolean opt_anchors, org.ldk.structs.TxCreationKeys keys) {
 389                 byte[] ret = bindings.get_htlc_redeemscript(htlc == null ? 0 : htlc.ptr, opt_anchors, keys == null ? 0 : keys.ptr);
 390                 Reference.reachabilityFence(htlc);
 391                 Reference.reachabilityFence(opt_anchors);
 392                 Reference.reachabilityFence(keys);
 393                 return ret;
 394         }
 395
 396         /**
 397          * Gets the redeemscript for a funding output from the two funding public keys.
 398          * Note that the order of funding public keys does not matter.
 399          */
 400         public static byte[] make_funding_redeemscript(byte[] broadcaster, byte[] countersignatory) {
 401                 byte[] ret = bindings.make_funding_redeemscript(InternalUtils.check_arr_len(broadcaster, 33), InternalUtils.check_arr_len(countersignatory, 33));
 402                 Reference.reachabilityFence(broadcaster);
 403                 Reference.reachabilityFence(countersignatory);
 404                 return ret;
 405         }
 406
 407         /**
 408          * Builds an unsigned HTLC-Success or HTLC-Timeout transaction from the given channel and HTLC
 409          * parameters. This is used by [`TrustedCommitmentTransaction::get_htlc_sigs`] to fetch the
 410          * transaction which needs signing, and can be used to construct an HTLC transaction which is
 411          * broadcastable given a counterparty HTLC signature.
 412          *
 413          * Panics if htlc.transaction_output_index.is_none() (as such HTLCs do not appear in the
 414          * commitment transaction).
 415          */
 416         public static byte[] build_htlc_transaction(byte[] commitment_txid, int feerate_per_kw, short contest_delay, org.ldk.structs.HTLCOutputInCommitment htlc, boolean opt_anchors, boolean use_non_zero_fee_anchors, byte[] broadcaster_delayed_payment_key, byte[] revocation_key) {
 417                 byte[] ret = bindings.build_htlc_transaction(InternalUtils.check_arr_len(commitment_txid, 32), feerate_per_kw, contest_delay, htlc == null ? 0 : htlc.ptr, opt_anchors, use_non_zero_fee_anchors, InternalUtils.check_arr_len(broadcaster_delayed_payment_key, 33), InternalUtils.check_arr_len(revocation_key, 33));
 418                 Reference.reachabilityFence(commitment_txid);
 419                 Reference.reachabilityFence(feerate_per_kw);
 420                 Reference.reachabilityFence(contest_delay);
 421                 Reference.reachabilityFence(htlc);
 422                 Reference.reachabilityFence(opt_anchors);
 423                 Reference.reachabilityFence(use_non_zero_fee_anchors);
 424                 Reference.reachabilityFence(broadcaster_delayed_payment_key);
 425                 Reference.reachabilityFence(revocation_key);
 426                 return ret;
 427         }
 428
 429         /**
 430          * Returns the witness required to satisfy and spend a HTLC input.
 431          *
 432          * Note that preimage (or a relevant inner pointer) may be NULL or all-0s to represent None
 433          */
 434         public static byte[] build_htlc_input_witness(byte[] local_sig, byte[] remote_sig, @Nullable byte[] preimage, byte[] redeem_script, boolean opt_anchors) {
 435                 byte[] ret = bindings.build_htlc_input_witness(InternalUtils.check_arr_len(local_sig, 64), InternalUtils.check_arr_len(remote_sig, 64), InternalUtils.check_arr_len(preimage, 32), redeem_script, opt_anchors);
 436                 Reference.reachabilityFence(local_sig);
 437                 Reference.reachabilityFence(remote_sig);
 438                 Reference.reachabilityFence(preimage);
 439                 Reference.reachabilityFence(redeem_script);
 440                 Reference.reachabilityFence(opt_anchors);
 441                 return ret;
 442         }
 443
 444         /**
 445          * Gets the witnessScript for the to_remote output when anchors are enabled.
 446          */
 447         public static byte[] get_to_countersignatory_with_anchors_redeemscript(byte[] payment_point) {
 448                 byte[] ret = bindings.get_to_countersignatory_with_anchors_redeemscript(InternalUtils.check_arr_len(payment_point, 33));
 449                 Reference.reachabilityFence(payment_point);
 450                 return ret;
 451         }
 452
 453         /**
 454          * Gets the witnessScript for an anchor output from the funding public key.
 455          * The witness in the spending input must be:
 456          * <BIP 143 funding_signature>
 457          * After 16 blocks of confirmation, an alternative satisfying witness could be:
 458          * <>
 459          * (empty vector required to satisfy compliance with MINIMALIF-standard rule)
 460          */
 461         public static byte[] get_anchor_redeemscript(byte[] funding_pubkey) {
 462                 byte[] ret = bindings.get_anchor_redeemscript(InternalUtils.check_arr_len(funding_pubkey, 33));
 463                 Reference.reachabilityFence(funding_pubkey);
 464                 return ret;
 465         }
 466
 467         /**
 468          * Returns the witness required to satisfy and spend an anchor input.
 469          */
 470         public static byte[] build_anchor_input_witness(byte[] funding_key, byte[] funding_sig) {
 471                 byte[] ret = bindings.build_anchor_input_witness(InternalUtils.check_arr_len(funding_key, 33), InternalUtils.check_arr_len(funding_sig, 64));
 472                 Reference.reachabilityFence(funding_key);
 473                 Reference.reachabilityFence(funding_sig);
 474                 return ret;
 475         }
 476
 477         /**
 478          * Commitment transaction numbers which appear in the transactions themselves are XOR'd with a
 479          * shared secret first. This prevents on-chain observers from discovering how many commitment
 480          * transactions occurred in a channel before it was closed.
 481          *
 482          * This function gets the shared secret from relevant channel public keys and can be used to
 483          * \"decrypt\" the commitment transaction number given a commitment transaction on-chain.
 484          */
 485         public static long get_commitment_transaction_number_obscure_factor(byte[] broadcaster_payment_basepoint, byte[] countersignatory_payment_basepoint, boolean outbound_from_broadcaster) {
 486                 long ret = bindings.get_commitment_transaction_number_obscure_factor(InternalUtils.check_arr_len(broadcaster_payment_basepoint, 33), InternalUtils.check_arr_len(countersignatory_payment_basepoint, 33), outbound_from_broadcaster);
 487                 Reference.reachabilityFence(broadcaster_payment_basepoint);
 488                 Reference.reachabilityFence(countersignatory_payment_basepoint);
 489                 Reference.reachabilityFence(outbound_from_broadcaster);
 490                 return ret;
 491         }
 492
 493         /**
 494          * Read a NetworkUpdate from a byte array, created by NetworkUpdate_write
 495          */
 496         public static Result_COption_NetworkUpdateZDecodeErrorZ NetworkUpdate_read(byte[] ser) {
 497                 long ret = bindings.NetworkUpdate_read(ser);
 498                 Reference.reachabilityFence(ser);
 499                 if (ret >= 0 && ret <= 4096) { return null; }
 500                 Result_COption_NetworkUpdateZDecodeErrorZ ret_hu_conv = Result_COption_NetworkUpdateZDecodeErrorZ.constr_from_ptr(ret);
 501                 return ret_hu_conv;
 502         }
 503
 504         /**
 505          * Finds a route from us (payer) to the given target node (payee).
 506          *
 507          * If the payee provided features in their invoice, they should be provided via `params.payee`.
 508          * Without this, MPP will only be used if the payee's features are available in the network graph.
 509          *
 510          * Private routing paths between a public node and the target may be included in `params.payee`.
 511          *
 512          * If some channels aren't announced, it may be useful to fill in `first_hops` with the results
 513          * from [`ChannelManager::list_usable_channels`]. If it is filled in, the view of these channels
 514          * from `network_graph` will be ignored, and only those in `first_hops` will be used.
 515          *
 516          * The fees on channels from us to the next hop are ignored as they are assumed to all be equal.
 517          * However, the enabled/disabled bit on such channels as well as the `htlc_minimum_msat` /
 518          * `htlc_maximum_msat` *are* checked as they may change based on the receiving node.
 519          *
 520          * # Note
 521          *
 522          * May be used to re-compute a [`Route`] when handling a [`Event::PaymentPathFailed`]. Any
 523          * adjustments to the [`NetworkGraph`] and channel scores should be made prior to calling this
 524          * function.
 525          *
 526          * # Panics
 527          *
 528          * Panics if first_hops contains channels without short_channel_ids;
 529          * [`ChannelManager::list_usable_channels`] will never include such channels.
 530          *
 531          * [`ChannelManager::list_usable_channels`]: crate::ln::channelmanager::ChannelManager::list_usable_channels
 532          * [`Event::PaymentPathFailed`]: crate::util::events::Event::PaymentPathFailed
 533          * [`NetworkGraph`]: crate::routing::gossip::NetworkGraph
 534          *
 535          * Note that first_hops (or a relevant inner pointer) may be NULL or all-0s to represent None
 536          */
 537         public static Result_RouteLightningErrorZ find_route(byte[] our_node_pubkey, org.ldk.structs.RouteParameters route_params, org.ldk.structs.NetworkGraph network_graph, @Nullable ChannelDetails[] first_hops, org.ldk.structs.Logger logger, org.ldk.structs.Score scorer, byte[] random_seed_bytes) {
 538                 long ret = bindings.find_route(InternalUtils.check_arr_len(our_node_pubkey, 33), route_params == null ? 0 : route_params.ptr, network_graph == null ? 0 : network_graph.ptr, first_hops != null ? Arrays.stream(first_hops).mapToLong(first_hops_conv_16 -> first_hops_conv_16 == null ? 0 : first_hops_conv_16.ptr).toArray() : null, logger == null ? 0 : logger.ptr, scorer == null ? 0 : scorer.ptr, InternalUtils.check_arr_len(random_seed_bytes, 32));
 539                 Reference.reachabilityFence(our_node_pubkey);
 540                 Reference.reachabilityFence(route_params);
 541                 Reference.reachabilityFence(network_graph);
 542                 Reference.reachabilityFence(first_hops);
 543                 Reference.reachabilityFence(logger);
 544                 Reference.reachabilityFence(scorer);
 545                 Reference.reachabilityFence(random_seed_bytes);
 546                 if (ret >= 0 && ret <= 4096) { return null; }
 547                 Result_RouteLightningErrorZ ret_hu_conv = Result_RouteLightningErrorZ.constr_from_ptr(ret);
 548                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(route_params); };
 549                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(network_graph); };
 550                 if (first_hops != null) { for (ChannelDetails first_hops_conv_16: first_hops) { if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(first_hops_conv_16); }; } };
 551                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(logger); };
 552                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(scorer); };
 553                 return ret_hu_conv;
 554         }
 555
 556         /**
 557          * Construct a route from us (payer) to the target node (payee) via the given hops (which should
 558          * exclude the payer, but include the payee). This may be useful, e.g., for probing the chosen path.
 559          *
 560          * Re-uses logic from `find_route`, so the restrictions described there also apply here.
 561          */
 562         public static Result_RouteLightningErrorZ build_route_from_hops(byte[] our_node_pubkey, byte[][] hops, org.ldk.structs.RouteParameters route_params, org.ldk.structs.NetworkGraph network_graph, org.ldk.structs.Logger logger, byte[] random_seed_bytes) {
 563                 long ret = bindings.build_route_from_hops(InternalUtils.check_arr_len(our_node_pubkey, 33), hops != null ? Arrays.stream(hops).map(hops_conv_8 -> InternalUtils.check_arr_len(hops_conv_8, 33)).toArray(byte[][]::new) : null, route_params == null ? 0 : route_params.ptr, network_graph == null ? 0 : network_graph.ptr, logger == null ? 0 : logger.ptr, InternalUtils.check_arr_len(random_seed_bytes, 32));
 564                 Reference.reachabilityFence(our_node_pubkey);
 565                 Reference.reachabilityFence(hops);
 566                 Reference.reachabilityFence(route_params);
 567                 Reference.reachabilityFence(network_graph);
 568                 Reference.reachabilityFence(logger);
 569                 Reference.reachabilityFence(random_seed_bytes);
 570                 if (ret >= 0 && ret <= 4096) { return null; }
 571                 Result_RouteLightningErrorZ ret_hu_conv = Result_RouteLightningErrorZ.constr_from_ptr(ret);
 572                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(route_params); };
 573                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(network_graph); };
 574                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(logger); };
 575                 return ret_hu_conv;
 576         }
 577
 578         /**
 579          * Utility to create an invoice that can be paid to one of multiple nodes, or a \"phantom invoice.\"
 580          * See [`PhantomKeysManager`] for more information on phantom node payments.
 581          *
 582          * `phantom_route_hints` parameter:
 583          * Contains channel info for all nodes participating in the phantom invoice
 584          * Entries are retrieved from a call to [`ChannelManager::get_phantom_route_hints`] on each
 585          * participating node
 586          * It is fine to cache `phantom_route_hints` and reuse it across invoices, as long as the data is
 587          * updated when a channel becomes disabled or closes
 588          * Note that if too many channels are included in [`PhantomRouteHints::channels`], the invoice
 589          * may be too long for QR code scanning. To fix this, `PhantomRouteHints::channels` may be pared
 590          * down
 591          *
 592          * `payment_hash` can be specified if you have a specific need for a custom payment hash (see the difference
 593          * between [`ChannelManager::create_inbound_payment`] and [`ChannelManager::create_inbound_payment_for_hash`]).
 594          * If `None` is provided for `payment_hash`, then one will be created.
 595          *
 596          * `invoice_expiry_delta_secs` describes the number of seconds that the invoice is valid for
 597          * in excess of the current time.
 598          *
 599          * Note that the provided `keys_manager`'s `KeysInterface` implementation must support phantom
 600          * invoices in its `sign_invoice` implementation ([`PhantomKeysManager`] satisfies this
 601          * requirement).
 602          *
 603          * [`PhantomKeysManager`]: lightning::chain::keysinterface::PhantomKeysManager
 604          * [`ChannelManager::get_phantom_route_hints`]: lightning::ln::channelmanager::ChannelManager::get_phantom_route_hints
 605          * [`ChannelManager::create_inbound_payment`]: lightning::ln::channelmanager::ChannelManager::create_inbound_payment
 606          * [`ChannelManager::create_inbound_payment_for_hash`]: lightning::ln::channelmanager::ChannelManager::create_inbound_payment_for_hash
 607          * [`PhantomRouteHints::channels`]: lightning::ln::channelmanager::PhantomRouteHints::channels
 608          *
 609          * Note that payment_hash (or a relevant inner pointer) may be NULL or all-0s to represent None
 610          */
 611         public static Result_InvoiceSignOrCreationErrorZ create_phantom_invoice(org.ldk.structs.Option_u64Z amt_msat, @Nullable byte[] payment_hash, java.lang.String description, int invoice_expiry_delta_secs, PhantomRouteHints[] phantom_route_hints, org.ldk.structs.KeysInterface keys_manager, org.ldk.structs.Logger logger, org.ldk.enums.Currency network) {
 612                 long ret = bindings.create_phantom_invoice(amt_msat.ptr, InternalUtils.check_arr_len(payment_hash, 32), description, invoice_expiry_delta_secs, phantom_route_hints != null ? Arrays.stream(phantom_route_hints).mapToLong(phantom_route_hints_conv_19 -> phantom_route_hints_conv_19 == null ? 0 : phantom_route_hints_conv_19.ptr).toArray() : null, keys_manager == null ? 0 : keys_manager.ptr, logger == null ? 0 : logger.ptr, network);
 613                 Reference.reachabilityFence(amt_msat);
 614                 Reference.reachabilityFence(payment_hash);
 615                 Reference.reachabilityFence(description);
 616                 Reference.reachabilityFence(invoice_expiry_delta_secs);
 617                 Reference.reachabilityFence(phantom_route_hints);
 618                 Reference.reachabilityFence(keys_manager);
 619                 Reference.reachabilityFence(logger);
 620                 Reference.reachabilityFence(network);
 621                 if (ret >= 0 && ret <= 4096) { return null; }
 622                 Result_InvoiceSignOrCreationErrorZ ret_hu_conv = Result_InvoiceSignOrCreationErrorZ.constr_from_ptr(ret);
 623                 for (PhantomRouteHints phantom_route_hints_conv_19: phantom_route_hints) { if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(phantom_route_hints_conv_19); }; };
 624                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(keys_manager); };
 625                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(logger); };
 626                 return ret_hu_conv;
 627         }
 628
 629         /**
 630          * Utility to create an invoice that can be paid to one of multiple nodes, or a \"phantom invoice.\"
 631          * See [`PhantomKeysManager`] for more information on phantom node payments.
 632          *
 633          * `phantom_route_hints` parameter:
 634          * Contains channel info for all nodes participating in the phantom invoice
 635          * Entries are retrieved from a call to [`ChannelManager::get_phantom_route_hints`] on each
 636          * participating node
 637          * It is fine to cache `phantom_route_hints` and reuse it across invoices, as long as the data is
 638          * updated when a channel becomes disabled or closes
 639          * Note that if too many channels are included in [`PhantomRouteHints::channels`], the invoice
 640          * may be too long for QR code scanning. To fix this, `PhantomRouteHints::channels` may be pared
 641          * down
 642          *
 643          * `description_hash` is a SHA-256 hash of the description text
 644          *
 645          * `payment_hash` can be specified if you have a specific need for a custom payment hash (see the difference
 646          * between [`ChannelManager::create_inbound_payment`] and [`ChannelManager::create_inbound_payment_for_hash`]).
 647          * If `None` is provided for `payment_hash`, then one will be created.
 648          *
 649          * `invoice_expiry_delta_secs` describes the number of seconds that the invoice is valid for
 650          * in excess of the current time.
 651          *
 652          * Note that the provided `keys_manager`'s `KeysInterface` implementation must support phantom
 653          * invoices in its `sign_invoice` implementation ([`PhantomKeysManager`] satisfies this
 654          * requirement).
 655          *
 656          * [`PhantomKeysManager`]: lightning::chain::keysinterface::PhantomKeysManager
 657          * [`ChannelManager::get_phantom_route_hints`]: lightning::ln::channelmanager::ChannelManager::get_phantom_route_hints
 658          * [`ChannelManager::create_inbound_payment`]: lightning::ln::channelmanager::ChannelManager::create_inbound_payment
 659          * [`ChannelManager::create_inbound_payment_for_hash`]: lightning::ln::channelmanager::ChannelManager::create_inbound_payment_for_hash
 660          * [`PhantomRouteHints::channels`]: lightning::ln::channelmanager::PhantomRouteHints::channels
 661          *
 662          * Note that payment_hash (or a relevant inner pointer) may be NULL or all-0s to represent None
 663          */
 664         public static Result_InvoiceSignOrCreationErrorZ create_phantom_invoice_with_description_hash(org.ldk.structs.Option_u64Z amt_msat, @Nullable byte[] payment_hash, int invoice_expiry_delta_secs, org.ldk.structs.Sha256 description_hash, PhantomRouteHints[] phantom_route_hints, org.ldk.structs.KeysInterface keys_manager, org.ldk.structs.Logger logger, org.ldk.enums.Currency network) {
 665                 long ret = bindings.create_phantom_invoice_with_description_hash(amt_msat.ptr, InternalUtils.check_arr_len(payment_hash, 32), invoice_expiry_delta_secs, description_hash == null ? 0 : description_hash.ptr, phantom_route_hints != null ? Arrays.stream(phantom_route_hints).mapToLong(phantom_route_hints_conv_19 -> phantom_route_hints_conv_19 == null ? 0 : phantom_route_hints_conv_19.ptr).toArray() : null, keys_manager == null ? 0 : keys_manager.ptr, logger == null ? 0 : logger.ptr, network);
 666                 Reference.reachabilityFence(amt_msat);
 667                 Reference.reachabilityFence(payment_hash);
 668                 Reference.reachabilityFence(invoice_expiry_delta_secs);
 669                 Reference.reachabilityFence(description_hash);
 670                 Reference.reachabilityFence(phantom_route_hints);
 671                 Reference.reachabilityFence(keys_manager);
 672                 Reference.reachabilityFence(logger);
 673                 Reference.reachabilityFence(network);
 674                 if (ret >= 0 && ret <= 4096) { return null; }
 675                 Result_InvoiceSignOrCreationErrorZ ret_hu_conv = Result_InvoiceSignOrCreationErrorZ.constr_from_ptr(ret);
 676                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(description_hash); };
 677                 for (PhantomRouteHints phantom_route_hints_conv_19: phantom_route_hints) { if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(phantom_route_hints_conv_19); }; };
 678                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(keys_manager); };
 679                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(logger); };
 680                 return ret_hu_conv;
 681         }
 682
 683         /**
 684          * Utility to construct an invoice. Generally, unless you want to do something like a custom
 685          * cltv_expiry, this is what you should be using to create an invoice. The reason being, this
 686          * method stores the invoice's payment secret and preimage in `ChannelManager`, so (a) the user
 687          * doesn't have to store preimage/payment secret information and (b) `ChannelManager` can verify
 688          * that the payment secret is valid when the invoice is paid.
 689          *
 690          * `invoice_expiry_delta_secs` describes the number of seconds that the invoice is valid for
 691          * in excess of the current time.
 692          */
 693         public static Result_InvoiceSignOrCreationErrorZ create_invoice_from_channelmanager(org.ldk.structs.ChannelManager channelmanager, org.ldk.structs.KeysInterface keys_manager, org.ldk.structs.Logger logger, org.ldk.enums.Currency network, org.ldk.structs.Option_u64Z amt_msat, java.lang.String description, int invoice_expiry_delta_secs) {
 694                 long ret = bindings.create_invoice_from_channelmanager(channelmanager == null ? 0 : channelmanager.ptr, keys_manager == null ? 0 : keys_manager.ptr, logger == null ? 0 : logger.ptr, network, amt_msat.ptr, description, invoice_expiry_delta_secs);
 695                 Reference.reachabilityFence(channelmanager);
 696                 Reference.reachabilityFence(keys_manager);
 697                 Reference.reachabilityFence(logger);
 698                 Reference.reachabilityFence(network);
 699                 Reference.reachabilityFence(amt_msat);
 700                 Reference.reachabilityFence(description);
 701                 Reference.reachabilityFence(invoice_expiry_delta_secs);
 702                 if (ret >= 0 && ret <= 4096) { return null; }
 703                 Result_InvoiceSignOrCreationErrorZ ret_hu_conv = Result_InvoiceSignOrCreationErrorZ.constr_from_ptr(ret);
 704                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(channelmanager); };
 705                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(keys_manager); };
 706                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(logger); };
 707                 return ret_hu_conv;
 708         }
 709
 710         /**
 711          * Utility to construct an invoice. Generally, unless you want to do something like a custom
 712          * cltv_expiry, this is what you should be using to create an invoice. The reason being, this
 713          * method stores the invoice's payment secret and preimage in `ChannelManager`, so (a) the user
 714          * doesn't have to store preimage/payment secret information and (b) `ChannelManager` can verify
 715          * that the payment secret is valid when the invoice is paid.
 716          * Use this variant if you want to pass the `description_hash` to the invoice.
 717          *
 718          * `invoice_expiry_delta_secs` describes the number of seconds that the invoice is valid for
 719          * in excess of the current time.
 720          */
 721         public static Result_InvoiceSignOrCreationErrorZ create_invoice_from_channelmanager_with_description_hash(org.ldk.structs.ChannelManager channelmanager, org.ldk.structs.KeysInterface keys_manager, org.ldk.structs.Logger logger, org.ldk.enums.Currency network, org.ldk.structs.Option_u64Z amt_msat, org.ldk.structs.Sha256 description_hash, int invoice_expiry_delta_secs) {
 722                 long ret = bindings.create_invoice_from_channelmanager_with_description_hash(channelmanager == null ? 0 : channelmanager.ptr, keys_manager == null ? 0 : keys_manager.ptr, logger == null ? 0 : logger.ptr, network, amt_msat.ptr, description_hash == null ? 0 : description_hash.ptr, invoice_expiry_delta_secs);
 723                 Reference.reachabilityFence(channelmanager);
 724                 Reference.reachabilityFence(keys_manager);
 725                 Reference.reachabilityFence(logger);
 726                 Reference.reachabilityFence(network);
 727                 Reference.reachabilityFence(amt_msat);
 728                 Reference.reachabilityFence(description_hash);
 729                 Reference.reachabilityFence(invoice_expiry_delta_secs);
 730                 if (ret >= 0 && ret <= 4096) { return null; }
 731                 Result_InvoiceSignOrCreationErrorZ ret_hu_conv = Result_InvoiceSignOrCreationErrorZ.constr_from_ptr(ret);
 732                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(channelmanager); };
 733                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(keys_manager); };
 734                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(logger); };
 735                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(description_hash); };
 736                 return ret_hu_conv;
 737         }
 738
 739         /**
 740          * See [`create_invoice_from_channelmanager_with_description_hash`]
 741          * This version can be used in a `no_std` environment, where [`std::time::SystemTime`] is not
 742          * available and the current time is supplied by the caller.
 743          */
 744         public static Result_InvoiceSignOrCreationErrorZ create_invoice_from_channelmanager_with_description_hash_and_duration_since_epoch(org.ldk.structs.ChannelManager channelmanager, org.ldk.structs.KeysInterface keys_manager, org.ldk.structs.Logger logger, org.ldk.enums.Currency network, org.ldk.structs.Option_u64Z amt_msat, org.ldk.structs.Sha256 description_hash, long duration_since_epoch, int invoice_expiry_delta_secs) {
 745                 long ret = bindings.create_invoice_from_channelmanager_with_description_hash_and_duration_since_epoch(channelmanager == null ? 0 : channelmanager.ptr, keys_manager == null ? 0 : keys_manager.ptr, logger == null ? 0 : logger.ptr, network, amt_msat.ptr, description_hash == null ? 0 : description_hash.ptr, duration_since_epoch, invoice_expiry_delta_secs);
 746                 Reference.reachabilityFence(channelmanager);
 747                 Reference.reachabilityFence(keys_manager);
 748                 Reference.reachabilityFence(logger);
 749                 Reference.reachabilityFence(network);
 750                 Reference.reachabilityFence(amt_msat);
 751                 Reference.reachabilityFence(description_hash);
 752                 Reference.reachabilityFence(duration_since_epoch);
 753                 Reference.reachabilityFence(invoice_expiry_delta_secs);
 754                 if (ret >= 0 && ret <= 4096) { return null; }
 755                 Result_InvoiceSignOrCreationErrorZ ret_hu_conv = Result_InvoiceSignOrCreationErrorZ.constr_from_ptr(ret);
 756                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(channelmanager); };
 757                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(keys_manager); };
 758                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(logger); };
 759                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(description_hash); };
 760                 return ret_hu_conv;
 761         }
 762
 763         /**
 764          * See [`create_invoice_from_channelmanager`]
 765          * This version can be used in a `no_std` environment, where [`std::time::SystemTime`] is not
 766          * available and the current time is supplied by the caller.
 767          */
 768         public static Result_InvoiceSignOrCreationErrorZ create_invoice_from_channelmanager_and_duration_since_epoch(org.ldk.structs.ChannelManager channelmanager, org.ldk.structs.KeysInterface keys_manager, org.ldk.structs.Logger logger, org.ldk.enums.Currency network, org.ldk.structs.Option_u64Z amt_msat, java.lang.String description, long duration_since_epoch, int invoice_expiry_delta_secs) {
 769                 long ret = bindings.create_invoice_from_channelmanager_and_duration_since_epoch(channelmanager == null ? 0 : channelmanager.ptr, keys_manager == null ? 0 : keys_manager.ptr, logger == null ? 0 : logger.ptr, network, amt_msat.ptr, description, duration_since_epoch, invoice_expiry_delta_secs);
 770                 Reference.reachabilityFence(channelmanager);
 771                 Reference.reachabilityFence(keys_manager);
 772                 Reference.reachabilityFence(logger);
 773                 Reference.reachabilityFence(network);
 774                 Reference.reachabilityFence(amt_msat);
 775                 Reference.reachabilityFence(description);
 776                 Reference.reachabilityFence(duration_since_epoch);
 777                 Reference.reachabilityFence(invoice_expiry_delta_secs);
 778                 if (ret >= 0 && ret <= 4096) { return null; }
 779                 Result_InvoiceSignOrCreationErrorZ ret_hu_conv = Result_InvoiceSignOrCreationErrorZ.constr_from_ptr(ret);
 780                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(channelmanager); };
 781                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(keys_manager); };
 782                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(logger); };
 783                 return ret_hu_conv;
 784         }
 785
 786         /**
 787          * See [`create_invoice_from_channelmanager_and_duration_since_epoch`]
 788          * This version allows for providing a custom [`PaymentHash`] for the invoice.
 789          * This may be useful if you're building an on-chain swap or involving another protocol where
 790          * the payment hash is also involved outside the scope of lightning.
 791          */
 792         public static Result_InvoiceSignOrCreationErrorZ create_invoice_from_channelmanager_and_duration_since_epoch_with_payment_hash(org.ldk.structs.ChannelManager channelmanager, org.ldk.structs.KeysInterface keys_manager, org.ldk.structs.Logger logger, org.ldk.enums.Currency network, org.ldk.structs.Option_u64Z amt_msat, java.lang.String description, long duration_since_epoch, int invoice_expiry_delta_secs, byte[] payment_hash) {
 793                 long ret = bindings.create_invoice_from_channelmanager_and_duration_since_epoch_with_payment_hash(channelmanager == null ? 0 : channelmanager.ptr, keys_manager == null ? 0 : keys_manager.ptr, logger == null ? 0 : logger.ptr, network, amt_msat.ptr, description, duration_since_epoch, invoice_expiry_delta_secs, InternalUtils.check_arr_len(payment_hash, 32));
 794                 Reference.reachabilityFence(channelmanager);
 795                 Reference.reachabilityFence(keys_manager);
 796                 Reference.reachabilityFence(logger);
 797                 Reference.reachabilityFence(network);
 798                 Reference.reachabilityFence(amt_msat);
 799                 Reference.reachabilityFence(description);
 800                 Reference.reachabilityFence(duration_since_epoch);
 801                 Reference.reachabilityFence(invoice_expiry_delta_secs);
 802                 Reference.reachabilityFence(payment_hash);
 803                 if (ret >= 0 && ret <= 4096) { return null; }
 804                 Result_InvoiceSignOrCreationErrorZ ret_hu_conv = Result_InvoiceSignOrCreationErrorZ.constr_from_ptr(ret);
 805                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(channelmanager); };
 806                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(keys_manager); };
 807                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(logger); };
 808                 return ret_hu_conv;
 809         }
 810
 811 }