_ 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 PathFailure from a byte array, created by PathFailure_write
  47          */
  48         public static Result_COption_PathFailureZDecodeErrorZ PathFailure_read(byte[] ser) {
  49                 long ret = bindings.PathFailure_read(ser);
  50                 Reference.reachabilityFence(ser);
  51                 if (ret >= 0 && ret <= 4096) { return null; }
  52                 Result_COption_PathFailureZDecodeErrorZ ret_hu_conv = Result_COption_PathFailureZDecodeErrorZ.constr_from_ptr(ret);
  53                 return ret_hu_conv;
  54         }
  55
  56         /**
  57          * Read a ClosureReason from a byte array, created by ClosureReason_write
  58          */
  59         public static Result_COption_ClosureReasonZDecodeErrorZ ClosureReason_read(byte[] ser) {
  60                 long ret = bindings.ClosureReason_read(ser);
  61                 Reference.reachabilityFence(ser);
  62                 if (ret >= 0 && ret <= 4096) { return null; }
  63                 Result_COption_ClosureReasonZDecodeErrorZ ret_hu_conv = Result_COption_ClosureReasonZDecodeErrorZ.constr_from_ptr(ret);
  64                 return ret_hu_conv;
  65         }
  66
  67         /**
  68          * Read a HTLCDestination from a byte array, created by HTLCDestination_write
  69          */
  70         public static Result_COption_HTLCDestinationZDecodeErrorZ HTLCDestination_read(byte[] ser) {
  71                 long ret = bindings.HTLCDestination_read(ser);
  72                 Reference.reachabilityFence(ser);
  73                 if (ret >= 0 && ret <= 4096) { return null; }
  74                 Result_COption_HTLCDestinationZDecodeErrorZ ret_hu_conv = Result_COption_HTLCDestinationZDecodeErrorZ.constr_from_ptr(ret);
  75                 return ret_hu_conv;
  76         }
  77
  78         /**
  79          * Read a Event from a byte array, created by Event_write
  80          */
  81         public static Result_COption_EventZDecodeErrorZ Event_read(byte[] ser) {
  82                 long ret = bindings.Event_read(ser);
  83                 Reference.reachabilityFence(ser);
  84                 if (ret >= 0 && ret <= 4096) { return null; }
  85                 Result_COption_EventZDecodeErrorZ ret_hu_conv = Result_COption_EventZDecodeErrorZ.constr_from_ptr(ret);
  86                 return ret_hu_conv;
  87         }
  88
  89         /**
  90          * Read a APIError from a byte array, created by APIError_write
  91          */
  92         public static Result_COption_APIErrorZDecodeErrorZ APIError_read(byte[] ser) {
  93                 long ret = bindings.APIError_read(ser);
  94                 Reference.reachabilityFence(ser);
  95                 if (ret >= 0 && ret <= 4096) { return null; }
  96                 Result_COption_APIErrorZDecodeErrorZ ret_hu_conv = Result_COption_APIErrorZDecodeErrorZ.constr_from_ptr(ret);
  97                 return ret_hu_conv;
  98         }
  99
 100         /**
 101          * Creates a digital signature of a message given a SecretKey, like the node's secret.
 102          * 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.
 103          * Signatures are EC recoverable, meaning that given the message and the signature the PublicKey of the signer can be extracted.
 104          */
 105         public static Result_StringErrorZ sign(byte[] msg, byte[] sk) {
 106                 long ret = bindings.sign(msg, InternalUtils.check_arr_len(sk, 32));
 107                 Reference.reachabilityFence(msg);
 108                 Reference.reachabilityFence(sk);
 109                 if (ret >= 0 && ret <= 4096) { return null; }
 110                 Result_StringErrorZ ret_hu_conv = Result_StringErrorZ.constr_from_ptr(ret);
 111                 return ret_hu_conv;
 112         }
 113
 114         /**
 115          * Recovers the PublicKey of the signer of the message given the message and the signature.
 116          */
 117         public static Result_PublicKeyErrorZ recover_pk(byte[] msg, java.lang.String sig) {
 118                 long ret = bindings.recover_pk(msg, sig);
 119                 Reference.reachabilityFence(msg);
 120                 Reference.reachabilityFence(sig);
 121                 if (ret >= 0 && ret <= 4096) { return null; }
 122                 Result_PublicKeyErrorZ ret_hu_conv = Result_PublicKeyErrorZ.constr_from_ptr(ret);
 123                 return ret_hu_conv;
 124         }
 125
 126         /**
 127          * Verifies a message was signed by a PrivateKey that derives to a given PublicKey, given a message, a signature,
 128          * and the PublicKey.
 129          */
 130         public static boolean verify(byte[] msg, java.lang.String sig, byte[] pk) {
 131                 boolean ret = bindings.verify(msg, sig, InternalUtils.check_arr_len(pk, 33));
 132                 Reference.reachabilityFence(msg);
 133                 Reference.reachabilityFence(sig);
 134                 Reference.reachabilityFence(pk);
 135                 return ret;
 136         }
 137
 138         /**
 139          * Construct the invoice's HRP and signatureless data into a preimage to be hashed.
 140          */
 141         public static byte[] construct_invoice_preimage(byte[] hrp_bytes, UInt5[] data_without_signature) {
 142                 byte[] ret = bindings.construct_invoice_preimage(hrp_bytes, data_without_signature != null ? InternalUtils.convUInt5Array(data_without_signature) : null);
 143                 Reference.reachabilityFence(hrp_bytes);
 144                 Reference.reachabilityFence(data_without_signature);
 145                 return ret;
 146         }
 147
 148         /**
 149          * Read a MonitorEvent from a byte array, created by MonitorEvent_write
 150          */
 151         public static Result_COption_MonitorEventZDecodeErrorZ MonitorEvent_read(byte[] ser) {
 152                 long ret = bindings.MonitorEvent_read(ser);
 153                 Reference.reachabilityFence(ser);
 154                 if (ret >= 0 && ret <= 4096) { return null; }
 155                 Result_COption_MonitorEventZDecodeErrorZ ret_hu_conv = Result_COption_MonitorEventZDecodeErrorZ.constr_from_ptr(ret);
 156                 return ret_hu_conv;
 157         }
 158
 159         /**
 160          * Read a C2Tuple_BlockHashChannelMonitorZ from a byte array, created by C2Tuple_BlockHashChannelMonitorZ_write
 161          */
 162         public static Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ C2Tuple_BlockHashChannelMonitorZ_read(byte[] ser, org.ldk.structs.EntropySource arg_a, org.ldk.structs.SignerProvider arg_b) {
 163                 long ret = bindings.C2Tuple_BlockHashChannelMonitorZ_read(ser, arg_a == null ? 0 : arg_a.ptr, arg_b == null ? 0 : arg_b.ptr);
 164                 Reference.reachabilityFence(ser);
 165                 Reference.reachabilityFence(arg_a);
 166                 Reference.reachabilityFence(arg_b);
 167                 if (ret >= 0 && ret <= 4096) { return null; }
 168                 Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ ret_hu_conv = Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ.constr_from_ptr(ret);
 169                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(arg_a); };
 170                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(arg_b); };
 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(org.ldk.structs.UserConfig _config) {
 179                 long ret = bindings.provided_init_features(_config == null ? 0 : _config.ptr);
 180                 Reference.reachabilityFence(_config);
 181                 if (ret >= 0 && ret <= 4096) { return null; }
 182                 org.ldk.structs.InitFeatures ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.InitFeatures(null, ret); }
 183                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(ret_hu_conv); };
 184                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(_config); };
 185                 return ret_hu_conv;
 186         }
 187
 188         /**
 189          * Read a C2Tuple_BlockHashChannelManagerZ from a byte array, created by C2Tuple_BlockHashChannelManagerZ_write
 190          */
 191         public static Result_C2Tuple_BlockHashChannelManagerZDecodeErrorZ C2Tuple_BlockHashChannelManagerZ_read(byte[] ser, EntropySource arg_entropy_source, NodeSigner arg_node_signer, SignerProvider arg_signer_provider, FeeEstimator arg_fee_estimator, Watch arg_chain_monitor, BroadcasterInterface arg_tx_broadcaster, Router arg_router, Logger arg_logger, UserConfig arg_default_config, ChannelMonitor[] arg_channel_monitors) {
 192                 long ret = bindings.C2Tuple_BlockHashChannelManagerZ_read(ser, bindings.ChannelManagerReadArgs_new(arg_entropy_source == null ? 0 : arg_entropy_source.ptr, arg_node_signer == null ? 0 : arg_node_signer.ptr, arg_signer_provider == null ? 0 : arg_signer_provider.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_router == null ? 0 : arg_router.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));
 193                 Reference.reachabilityFence(ser);
 194                 Reference.reachabilityFence(arg_entropy_source);
 195                 Reference.reachabilityFence(arg_node_signer);
 196                 Reference.reachabilityFence(arg_signer_provider);
 197                 Reference.reachabilityFence(arg_fee_estimator);
 198                 Reference.reachabilityFence(arg_chain_monitor);
 199                 Reference.reachabilityFence(arg_tx_broadcaster);
 200                 Reference.reachabilityFence(arg_router);
 201                 Reference.reachabilityFence(arg_logger);
 202                 Reference.reachabilityFence(arg_default_config);
 203                 Reference.reachabilityFence(arg_channel_monitors);
 204                 if (ret >= 0 && ret <= 4096) { return null; }
 205                 Result_C2Tuple_BlockHashChannelManagerZDecodeErrorZ ret_hu_conv = Result_C2Tuple_BlockHashChannelManagerZDecodeErrorZ.constr_from_ptr(ret);
 206                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(arg_entropy_source); };
 207                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(arg_node_signer); };
 208                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(arg_signer_provider); };
 209                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(arg_fee_estimator); };
 210                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(arg_chain_monitor); };
 211                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(arg_tx_broadcaster); };
 212                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(arg_router); };
 213                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(arg_logger); };
 214                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(arg_default_config); };
 215                 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); }; };
 216                 return ret_hu_conv;
 217         }
 218
 219         /**
 220          * Equivalent to [`crate::ln::channelmanager::ChannelManager::create_inbound_payment`], but no
 221          * `ChannelManager` is required. Useful for generating invoices for [phantom node payments] without
 222          * a `ChannelManager`.
 223          *
 224          * `keys` is generated by calling [`NodeSigner::get_inbound_payment_key_material`] and then
 225          * calling [`ExpandedKey::new`] with its result. It is recommended to cache this value and not
 226          * regenerate it for each new inbound payment.
 227          *
 228          * `current_time` is a Unix timestamp representing the current time.
 229          *
 230          * Note that if `min_final_cltv_expiry_delta` is set to some value, then the payment will not be receivable
 231          * on versions of LDK prior to 0.0.114.
 232          *
 233          * [phantom node payments]: crate::chain::keysinterface::PhantomKeysManager
 234          * [`NodeSigner::get_inbound_payment_key_material`]: crate::chain::keysinterface::NodeSigner::get_inbound_payment_key_material
 235          */
 236         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.EntropySource entropy_source, long current_time, org.ldk.structs.Option_u16Z min_final_cltv_expiry_delta) {
 237                 long ret = bindings.create(keys == null ? 0 : keys.ptr, min_value_msat.ptr, invoice_expiry_delta_secs, entropy_source == null ? 0 : entropy_source.ptr, current_time, min_final_cltv_expiry_delta.ptr);
 238                 Reference.reachabilityFence(keys);
 239                 Reference.reachabilityFence(min_value_msat);
 240                 Reference.reachabilityFence(invoice_expiry_delta_secs);
 241                 Reference.reachabilityFence(entropy_source);
 242                 Reference.reachabilityFence(current_time);
 243                 Reference.reachabilityFence(min_final_cltv_expiry_delta);
 244                 if (ret >= 0 && ret <= 4096) { return null; }
 245                 Result_C2Tuple_PaymentHashPaymentSecretZNoneZ ret_hu_conv = Result_C2Tuple_PaymentHashPaymentSecretZNoneZ.constr_from_ptr(ret);
 246                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(keys); };
 247                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(min_value_msat); };
 248                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(entropy_source); };
 249                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(min_final_cltv_expiry_delta); };
 250                 return ret_hu_conv;
 251         }
 252
 253         /**
 254          * Equivalent to [`crate::ln::channelmanager::ChannelManager::create_inbound_payment_for_hash`],
 255          * but no `ChannelManager` is required. Useful for generating invoices for [phantom node payments]
 256          * without a `ChannelManager`.
 257          *
 258          * See [`create`] for information on the `keys` and `current_time` parameters.
 259          *
 260          * Note that if `min_final_cltv_expiry_delta` is set to some value, then the payment will not be receivable
 261          * on versions of LDK prior to 0.0.114.
 262          *
 263          * [phantom node payments]: crate::chain::keysinterface::PhantomKeysManager
 264          */
 265         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, org.ldk.structs.Option_u16Z min_final_cltv_expiry_delta) {
 266                 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, min_final_cltv_expiry_delta.ptr);
 267                 Reference.reachabilityFence(keys);
 268                 Reference.reachabilityFence(min_value_msat);
 269                 Reference.reachabilityFence(payment_hash);
 270                 Reference.reachabilityFence(invoice_expiry_delta_secs);
 271                 Reference.reachabilityFence(current_time);
 272                 Reference.reachabilityFence(min_final_cltv_expiry_delta);
 273                 if (ret >= 0 && ret <= 4096) { return null; }
 274                 Result_PaymentSecretNoneZ ret_hu_conv = Result_PaymentSecretNoneZ.constr_from_ptr(ret);
 275                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(keys); };
 276                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(min_value_msat); };
 277                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(min_final_cltv_expiry_delta); };
 278                 return ret_hu_conv;
 279         }
 280
 281         /**
 282          * Gets the weight for an HTLC-Success transaction.
 283          */
 284         public static long htlc_success_tx_weight(boolean opt_anchors) {
 285                 long ret = bindings.htlc_success_tx_weight(opt_anchors);
 286                 Reference.reachabilityFence(opt_anchors);
 287                 return ret;
 288         }
 289
 290         /**
 291          * Gets the weight for an HTLC-Timeout transaction.
 292          */
 293         public static long htlc_timeout_tx_weight(boolean opt_anchors) {
 294                 long ret = bindings.htlc_timeout_tx_weight(opt_anchors);
 295                 Reference.reachabilityFence(opt_anchors);
 296                 return ret;
 297         }
 298
 299         /**
 300          * Check if a given input witness attempts to claim a HTLC.
 301          */
 302         public static Option_HTLCClaimZ HTLCClaim_from_witness(byte[] witness) {
 303                 long ret = bindings.HTLCClaim_from_witness(witness);
 304                 Reference.reachabilityFence(witness);
 305                 if (ret >= 0 && ret <= 4096) { return null; }
 306                 org.ldk.structs.Option_HTLCClaimZ ret_hu_conv = org.ldk.structs.Option_HTLCClaimZ.constr_from_ptr(ret);
 307                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(ret_hu_conv); };
 308                 return ret_hu_conv;
 309         }
 310
 311         /**
 312          * Build the commitment secret from the seed and the commitment number
 313          */
 314         public static byte[] build_commitment_secret(byte[] commitment_seed, long idx) {
 315                 byte[] ret = bindings.build_commitment_secret(InternalUtils.check_arr_len(commitment_seed, 32), idx);
 316                 Reference.reachabilityFence(commitment_seed);
 317                 Reference.reachabilityFence(idx);
 318                 return ret;
 319         }
 320
 321         /**
 322          * Build a closing transaction
 323          */
 324         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) {
 325                 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);
 326                 Reference.reachabilityFence(to_holder_value_sat);
 327                 Reference.reachabilityFence(to_counterparty_value_sat);
 328                 Reference.reachabilityFence(to_holder_script);
 329                 Reference.reachabilityFence(to_counterparty_script);
 330                 Reference.reachabilityFence(funding_outpoint);
 331                 return ret;
 332         }
 333
 334         /**
 335          * Derives a per-commitment-transaction private key (eg an htlc key or delayed_payment key)
 336          * from the base secret and the per_commitment_point.
 337          */
 338         public static byte[] derive_private_key(byte[] per_commitment_point, byte[] base_secret) {
 339                 byte[] ret = bindings.derive_private_key(InternalUtils.check_arr_len(per_commitment_point, 33), InternalUtils.check_arr_len(base_secret, 32));
 340                 Reference.reachabilityFence(per_commitment_point);
 341                 Reference.reachabilityFence(base_secret);
 342                 return ret;
 343         }
 344
 345         /**
 346          * Derives a per-commitment-transaction public key (eg an htlc key or a delayed_payment key)
 347          * from the base point and the per_commitment_key. This is the public equivalent of
 348          * derive_private_key - using only public keys to derive a public key instead of private keys.
 349          */
 350         public static byte[] derive_public_key(byte[] per_commitment_point, byte[] base_point) {
 351                 byte[] ret = bindings.derive_public_key(InternalUtils.check_arr_len(per_commitment_point, 33), InternalUtils.check_arr_len(base_point, 33));
 352                 Reference.reachabilityFence(per_commitment_point);
 353                 Reference.reachabilityFence(base_point);
 354                 return ret;
 355         }
 356
 357         /**
 358          * Derives a per-commitment-transaction revocation key from its constituent parts.
 359          *
 360          * Only the cheating participant owns a valid witness to propagate a revoked
 361          * commitment transaction, thus per_commitment_secret always come from cheater
 362          * and revocation_base_secret always come from punisher, which is the broadcaster
 363          * of the transaction spending with this key knowledge.
 364          */
 365         public static byte[] derive_private_revocation_key(byte[] per_commitment_secret, byte[] countersignatory_revocation_base_secret) {
 366                 byte[] ret = bindings.derive_private_revocation_key(InternalUtils.check_arr_len(per_commitment_secret, 32), InternalUtils.check_arr_len(countersignatory_revocation_base_secret, 32));
 367                 Reference.reachabilityFence(per_commitment_secret);
 368                 Reference.reachabilityFence(countersignatory_revocation_base_secret);
 369                 return ret;
 370         }
 371
 372         /**
 373          * Derives a per-commitment-transaction revocation public key from its constituent parts. This is
 374          * the public equivalend of derive_private_revocation_key - using only public keys to derive a
 375          * public key instead of private keys.
 376          *
 377          * Only the cheating participant owns a valid witness to propagate a revoked
 378          * commitment transaction, thus per_commitment_point always come from cheater
 379          * and revocation_base_point always come from punisher, which is the broadcaster
 380          * of the transaction spending with this key knowledge.
 381          *
 382          * Note that this is infallible iff we trust that at least one of the two input keys are randomly
 383          * generated (ie our own).
 384          */
 385         public static byte[] derive_public_revocation_key(byte[] per_commitment_point, byte[] countersignatory_revocation_base_point) {
 386                 byte[] ret = bindings.derive_public_revocation_key(InternalUtils.check_arr_len(per_commitment_point, 33), InternalUtils.check_arr_len(countersignatory_revocation_base_point, 33));
 387                 Reference.reachabilityFence(per_commitment_point);
 388                 Reference.reachabilityFence(countersignatory_revocation_base_point);
 389                 return ret;
 390         }
 391
 392         /**
 393          * A script either spendable by the revocation
 394          * key or the broadcaster_delayed_payment_key and satisfying the relative-locktime OP_CSV constrain.
 395          * Encumbering a `to_holder` output on a commitment transaction or 2nd-stage HTLC transactions.
 396          */
 397         public static byte[] get_revokeable_redeemscript(byte[] revocation_key, short contest_delay, byte[] broadcaster_delayed_payment_key) {
 398                 byte[] ret = bindings.get_revokeable_redeemscript(InternalUtils.check_arr_len(revocation_key, 33), contest_delay, InternalUtils.check_arr_len(broadcaster_delayed_payment_key, 33));
 399                 Reference.reachabilityFence(revocation_key);
 400                 Reference.reachabilityFence(contest_delay);
 401                 Reference.reachabilityFence(broadcaster_delayed_payment_key);
 402                 return ret;
 403         }
 404
 405         /**
 406          * Gets the witness redeemscript for an HTLC output in a commitment transaction. Note that htlc
 407          * does not need to have its previous_output_index filled.
 408          */
 409         public static byte[] get_htlc_redeemscript(org.ldk.structs.HTLCOutputInCommitment htlc, boolean opt_anchors, org.ldk.structs.TxCreationKeys keys) {
 410                 byte[] ret = bindings.get_htlc_redeemscript(htlc == null ? 0 : htlc.ptr, opt_anchors, keys == null ? 0 : keys.ptr);
 411                 Reference.reachabilityFence(htlc);
 412                 Reference.reachabilityFence(opt_anchors);
 413                 Reference.reachabilityFence(keys);
 414                 return ret;
 415         }
 416
 417         /**
 418          * Gets the redeemscript for a funding output from the two funding public keys.
 419          * Note that the order of funding public keys does not matter.
 420          */
 421         public static byte[] make_funding_redeemscript(byte[] broadcaster, byte[] countersignatory) {
 422                 byte[] ret = bindings.make_funding_redeemscript(InternalUtils.check_arr_len(broadcaster, 33), InternalUtils.check_arr_len(countersignatory, 33));
 423                 Reference.reachabilityFence(broadcaster);
 424                 Reference.reachabilityFence(countersignatory);
 425                 return ret;
 426         }
 427
 428         /**
 429          * Builds an unsigned HTLC-Success or HTLC-Timeout transaction from the given channel and HTLC
 430          * parameters. This is used by [`TrustedCommitmentTransaction::get_htlc_sigs`] to fetch the
 431          * transaction which needs signing, and can be used to construct an HTLC transaction which is
 432          * broadcastable given a counterparty HTLC signature.
 433          *
 434          * Panics if htlc.transaction_output_index.is_none() (as such HTLCs do not appear in the
 435          * commitment transaction).
 436          */
 437         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) {
 438                 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));
 439                 Reference.reachabilityFence(commitment_txid);
 440                 Reference.reachabilityFence(feerate_per_kw);
 441                 Reference.reachabilityFence(contest_delay);
 442                 Reference.reachabilityFence(htlc);
 443                 Reference.reachabilityFence(opt_anchors);
 444                 Reference.reachabilityFence(use_non_zero_fee_anchors);
 445                 Reference.reachabilityFence(broadcaster_delayed_payment_key);
 446                 Reference.reachabilityFence(revocation_key);
 447                 return ret;
 448         }
 449
 450         /**
 451          * Returns the witness required to satisfy and spend a HTLC input.
 452          *
 453          * Note that preimage (or a relevant inner pointer) may be NULL or all-0s to represent None
 454          */
 455         public static byte[] build_htlc_input_witness(byte[] local_sig, byte[] remote_sig, @Nullable byte[] preimage, byte[] redeem_script, boolean opt_anchors) {
 456                 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);
 457                 Reference.reachabilityFence(local_sig);
 458                 Reference.reachabilityFence(remote_sig);
 459                 Reference.reachabilityFence(preimage);
 460                 Reference.reachabilityFence(redeem_script);
 461                 Reference.reachabilityFence(opt_anchors);
 462                 return ret;
 463         }
 464
 465         /**
 466          * Gets the witnessScript for the to_remote output when anchors are enabled.
 467          */
 468         public static byte[] get_to_countersignatory_with_anchors_redeemscript(byte[] payment_point) {
 469                 byte[] ret = bindings.get_to_countersignatory_with_anchors_redeemscript(InternalUtils.check_arr_len(payment_point, 33));
 470                 Reference.reachabilityFence(payment_point);
 471                 return ret;
 472         }
 473
 474         /**
 475          * Gets the witnessScript for an anchor output from the funding public key.
 476          * The witness in the spending input must be:
 477          * <BIP 143 funding_signature>
 478          * After 16 blocks of confirmation, an alternative satisfying witness could be:
 479          * <>
 480          * (empty vector required to satisfy compliance with MINIMALIF-standard rule)
 481          */
 482         public static byte[] get_anchor_redeemscript(byte[] funding_pubkey) {
 483                 byte[] ret = bindings.get_anchor_redeemscript(InternalUtils.check_arr_len(funding_pubkey, 33));
 484                 Reference.reachabilityFence(funding_pubkey);
 485                 return ret;
 486         }
 487
 488         /**
 489          * Returns the witness required to satisfy and spend an anchor input.
 490          */
 491         public static byte[] build_anchor_input_witness(byte[] funding_key, byte[] funding_sig) {
 492                 byte[] ret = bindings.build_anchor_input_witness(InternalUtils.check_arr_len(funding_key, 33), InternalUtils.check_arr_len(funding_sig, 64));
 493                 Reference.reachabilityFence(funding_key);
 494                 Reference.reachabilityFence(funding_sig);
 495                 return ret;
 496         }
 497
 498         /**
 499          * Commitment transaction numbers which appear in the transactions themselves are XOR'd with a
 500          * shared secret first. This prevents on-chain observers from discovering how many commitment
 501          * transactions occurred in a channel before it was closed.
 502          *
 503          * This function gets the shared secret from relevant channel public keys and can be used to
 504          * \"decrypt\" the commitment transaction number given a commitment transaction on-chain.
 505          */
 506         public static long get_commitment_transaction_number_obscure_factor(byte[] broadcaster_payment_basepoint, byte[] countersignatory_payment_basepoint, boolean outbound_from_broadcaster) {
 507                 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);
 508                 Reference.reachabilityFence(broadcaster_payment_basepoint);
 509                 Reference.reachabilityFence(countersignatory_payment_basepoint);
 510                 Reference.reachabilityFence(outbound_from_broadcaster);
 511                 return ret;
 512         }
 513
 514         /**
 515          * Read a NetworkUpdate from a byte array, created by NetworkUpdate_write
 516          */
 517         public static Result_COption_NetworkUpdateZDecodeErrorZ NetworkUpdate_read(byte[] ser) {
 518                 long ret = bindings.NetworkUpdate_read(ser);
 519                 Reference.reachabilityFence(ser);
 520                 if (ret >= 0 && ret <= 4096) { return null; }
 521                 Result_COption_NetworkUpdateZDecodeErrorZ ret_hu_conv = Result_COption_NetworkUpdateZDecodeErrorZ.constr_from_ptr(ret);
 522                 return ret_hu_conv;
 523         }
 524
 525         /**
 526          * Finds a route from us (payer) to the given target node (payee).
 527          *
 528          * If the payee provided features in their invoice, they should be provided via `params.payee`.
 529          * Without this, MPP will only be used if the payee's features are available in the network graph.
 530          *
 531          * Private routing paths between a public node and the target may be included in `params.payee`.
 532          *
 533          * If some channels aren't announced, it may be useful to fill in `first_hops` with the results
 534          * from [`ChannelManager::list_usable_channels`]. If it is filled in, the view of these channels
 535          * from `network_graph` will be ignored, and only those in `first_hops` will be used.
 536          *
 537          * The fees on channels from us to the next hop are ignored as they are assumed to all be equal.
 538          * However, the enabled/disabled bit on such channels as well as the `htlc_minimum_msat` /
 539          * `htlc_maximum_msat` *are* checked as they may change based on the receiving node.
 540          *
 541          * # Note
 542          *
 543          * May be used to re-compute a [`Route`] when handling a [`Event::PaymentPathFailed`]. Any
 544          * adjustments to the [`NetworkGraph`] and channel scores should be made prior to calling this
 545          * function.
 546          *
 547          * # Panics
 548          *
 549          * Panics if first_hops contains channels without short_channel_ids;
 550          * [`ChannelManager::list_usable_channels`] will never include such channels.
 551          *
 552          * [`ChannelManager::list_usable_channels`]: crate::ln::channelmanager::ChannelManager::list_usable_channels
 553          * [`Event::PaymentPathFailed`]: crate::util::events::Event::PaymentPathFailed
 554          * [`NetworkGraph`]: crate::routing::gossip::NetworkGraph
 555          *
 556          * Note that first_hops (or a relevant inner pointer) may be NULL or all-0s to represent None
 557          */
 558         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) {
 559                 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));
 560                 Reference.reachabilityFence(our_node_pubkey);
 561                 Reference.reachabilityFence(route_params);
 562                 Reference.reachabilityFence(network_graph);
 563                 Reference.reachabilityFence(first_hops);
 564                 Reference.reachabilityFence(logger);
 565                 Reference.reachabilityFence(scorer);
 566                 Reference.reachabilityFence(random_seed_bytes);
 567                 if (ret >= 0 && ret <= 4096) { return null; }
 568                 Result_RouteLightningErrorZ ret_hu_conv = Result_RouteLightningErrorZ.constr_from_ptr(ret);
 569                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(route_params); };
 570                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(network_graph); };
 571                 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); }; } };
 572                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(logger); };
 573                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(scorer); };
 574                 return ret_hu_conv;
 575         }
 576
 577         /**
 578          * Construct a route from us (payer) to the target node (payee) via the given hops (which should
 579          * exclude the payer, but include the payee). This may be useful, e.g., for probing the chosen path.
 580          *
 581          * Re-uses logic from `find_route`, so the restrictions described there also apply here.
 582          */
 583         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) {
 584                 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));
 585                 Reference.reachabilityFence(our_node_pubkey);
 586                 Reference.reachabilityFence(hops);
 587                 Reference.reachabilityFence(route_params);
 588                 Reference.reachabilityFence(network_graph);
 589                 Reference.reachabilityFence(logger);
 590                 Reference.reachabilityFence(random_seed_bytes);
 591                 if (ret >= 0 && ret <= 4096) { return null; }
 592                 Result_RouteLightningErrorZ ret_hu_conv = Result_RouteLightningErrorZ.constr_from_ptr(ret);
 593                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(route_params); };
 594                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(network_graph); };
 595                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(logger); };
 596                 return ret_hu_conv;
 597         }
 598
 599         /**
 600          * Pays the given [`Invoice`], retrying if needed based on [`Retry`].
 601          *
 602          * [`Invoice::payment_hash`] is used as the [`PaymentId`], which ensures idempotency as long
 603          * as the payment is still pending. Once the payment completes or fails, you must ensure that
 604          * a second payment with the same [`PaymentHash`] is never sent.
 605          *
 606          * If you wish to use a different payment idempotency token, see [`pay_invoice_with_id`].
 607          */
 608         public static Result_PaymentIdPaymentErrorZ pay_invoice(org.ldk.structs.Invoice invoice, org.ldk.structs.Retry retry_strategy, org.ldk.structs.ChannelManager channelmanager) {
 609                 long ret = bindings.pay_invoice(invoice == null ? 0 : invoice.ptr, retry_strategy.ptr, channelmanager == null ? 0 : channelmanager.ptr);
 610                 Reference.reachabilityFence(invoice);
 611                 Reference.reachabilityFence(retry_strategy);
 612                 Reference.reachabilityFence(channelmanager);
 613                 if (ret >= 0 && ret <= 4096) { return null; }
 614                 Result_PaymentIdPaymentErrorZ ret_hu_conv = Result_PaymentIdPaymentErrorZ.constr_from_ptr(ret);
 615                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(invoice); };
 616                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(retry_strategy); };
 617                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(channelmanager); };
 618                 return ret_hu_conv;
 619         }
 620
 621         /**
 622          * Pays the given [`Invoice`] with a custom idempotency key, retrying if needed based on [`Retry`].
 623          *
 624          * Note that idempotency is only guaranteed as long as the payment is still pending. Once the
 625          * payment completes or fails, no idempotency guarantees are made.
 626          *
 627          * You should ensure that the [`Invoice::payment_hash`] is unique and the same [`PaymentHash`]
 628          * has never been paid before.
 629          *
 630          * See [`pay_invoice`] for a variant which uses the [`PaymentHash`] for the idempotency token.
 631          */
 632         public static Result_NonePaymentErrorZ pay_invoice_with_id(org.ldk.structs.Invoice invoice, byte[] payment_id, org.ldk.structs.Retry retry_strategy, org.ldk.structs.ChannelManager channelmanager) {
 633                 long ret = bindings.pay_invoice_with_id(invoice == null ? 0 : invoice.ptr, InternalUtils.check_arr_len(payment_id, 32), retry_strategy.ptr, channelmanager == null ? 0 : channelmanager.ptr);
 634                 Reference.reachabilityFence(invoice);
 635                 Reference.reachabilityFence(payment_id);
 636                 Reference.reachabilityFence(retry_strategy);
 637                 Reference.reachabilityFence(channelmanager);
 638                 if (ret >= 0 && ret <= 4096) { return null; }
 639                 Result_NonePaymentErrorZ ret_hu_conv = Result_NonePaymentErrorZ.constr_from_ptr(ret);
 640                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(invoice); };
 641                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(retry_strategy); };
 642                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(channelmanager); };
 643                 return ret_hu_conv;
 644         }
 645
 646         /**
 647          * Pays the given zero-value [`Invoice`] using the given amount, retrying if needed based on
 648          * [`Retry`].
 649          *
 650          * [`Invoice::payment_hash`] is used as the [`PaymentId`], which ensures idempotency as long
 651          * as the payment is still pending. Once the payment completes or fails, you must ensure that
 652          * a second payment with the same [`PaymentHash`] is never sent.
 653          *
 654          * If you wish to use a different payment idempotency token, see
 655          * [`pay_zero_value_invoice_with_id`].
 656          */
 657         public static Result_PaymentIdPaymentErrorZ pay_zero_value_invoice(org.ldk.structs.Invoice invoice, long amount_msats, org.ldk.structs.Retry retry_strategy, org.ldk.structs.ChannelManager channelmanager) {
 658                 long ret = bindings.pay_zero_value_invoice(invoice == null ? 0 : invoice.ptr, amount_msats, retry_strategy.ptr, channelmanager == null ? 0 : channelmanager.ptr);
 659                 Reference.reachabilityFence(invoice);
 660                 Reference.reachabilityFence(amount_msats);
 661                 Reference.reachabilityFence(retry_strategy);
 662                 Reference.reachabilityFence(channelmanager);
 663                 if (ret >= 0 && ret <= 4096) { return null; }
 664                 Result_PaymentIdPaymentErrorZ ret_hu_conv = Result_PaymentIdPaymentErrorZ.constr_from_ptr(ret);
 665                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(invoice); };
 666                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(retry_strategy); };
 667                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(channelmanager); };
 668                 return ret_hu_conv;
 669         }
 670
 671         /**
 672          * Pays the given zero-value [`Invoice`] using the given amount and custom idempotency key,
 673          * , retrying if needed based on [`Retry`].
 674          *
 675          * Note that idempotency is only guaranteed as long as the payment is still pending. Once the
 676          * payment completes or fails, no idempotency guarantees are made.
 677          *
 678          * You should ensure that the [`Invoice::payment_hash`] is unique and the same [`PaymentHash`]
 679          * has never been paid before.
 680          *
 681          * See [`pay_zero_value_invoice`] for a variant which uses the [`PaymentHash`] for the
 682          * idempotency token.
 683          */
 684         public static Result_NonePaymentErrorZ pay_zero_value_invoice_with_id(org.ldk.structs.Invoice invoice, long amount_msats, byte[] payment_id, org.ldk.structs.Retry retry_strategy, org.ldk.structs.ChannelManager channelmanager) {
 685                 long ret = bindings.pay_zero_value_invoice_with_id(invoice == null ? 0 : invoice.ptr, amount_msats, InternalUtils.check_arr_len(payment_id, 32), retry_strategy.ptr, channelmanager == null ? 0 : channelmanager.ptr);
 686                 Reference.reachabilityFence(invoice);
 687                 Reference.reachabilityFence(amount_msats);
 688                 Reference.reachabilityFence(payment_id);
 689                 Reference.reachabilityFence(retry_strategy);
 690                 Reference.reachabilityFence(channelmanager);
 691                 if (ret >= 0 && ret <= 4096) { return null; }
 692                 Result_NonePaymentErrorZ ret_hu_conv = Result_NonePaymentErrorZ.constr_from_ptr(ret);
 693                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(invoice); };
 694                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(retry_strategy); };
 695                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(channelmanager); };
 696                 return ret_hu_conv;
 697         }
 698
 699         /**
 700          * Utility to create an invoice that can be paid to one of multiple nodes, or a \"phantom invoice.\"
 701          * See [`PhantomKeysManager`] for more information on phantom node payments.
 702          *
 703          * `phantom_route_hints` parameter:
 704          * Contains channel info for all nodes participating in the phantom invoice
 705          * Entries are retrieved from a call to [`ChannelManager::get_phantom_route_hints`] on each
 706          * participating node
 707          * It is fine to cache `phantom_route_hints` and reuse it across invoices, as long as the data is
 708          * updated when a channel becomes disabled or closes
 709          * Note that if too many channels are included in [`PhantomRouteHints::channels`], the invoice
 710          * may be too long for QR code scanning. To fix this, `PhantomRouteHints::channels` may be pared
 711          * down
 712          *
 713          * `payment_hash` can be specified if you have a specific need for a custom payment hash (see the difference
 714          * between [`ChannelManager::create_inbound_payment`] and [`ChannelManager::create_inbound_payment_for_hash`]).
 715          * If `None` is provided for `payment_hash`, then one will be created.
 716          *
 717          * `invoice_expiry_delta_secs` describes the number of seconds that the invoice is valid for
 718          * in excess of the current time.
 719          *
 720          * `duration_since_epoch` is the current time since epoch in seconds.
 721          *
 722          * You can specify a custom `min_final_cltv_expiry_delta`, or let LDK default it to
 723          * [`MIN_FINAL_CLTV_EXPIRY_DELTA`]. The provided expiry must be at least [`MIN_FINAL_CLTV_EXPIRY_DELTA`] - 3.
 724          * Note that LDK will add a buffer of 3 blocks to the delta to allow for up to a few new block
 725          * confirmations during routing.
 726          *
 727          * Note that the provided `keys_manager`'s `NodeSigner` implementation must support phantom
 728          * invoices in its `sign_invoice` implementation ([`PhantomKeysManager`] satisfies this
 729          * requirement).
 730          *
 731          * [`PhantomKeysManager`]: lightning::chain::keysinterface::PhantomKeysManager
 732          * [`ChannelManager::get_phantom_route_hints`]: lightning::ln::channelmanager::ChannelManager::get_phantom_route_hints
 733          * [`ChannelManager::create_inbound_payment`]: lightning::ln::channelmanager::ChannelManager::create_inbound_payment
 734          * [`ChannelManager::create_inbound_payment_for_hash`]: lightning::ln::channelmanager::ChannelManager::create_inbound_payment_for_hash
 735          * [`PhantomRouteHints::channels`]: lightning::ln::channelmanager::PhantomRouteHints::channels
 736          * [`MIN_FINAL_CLTV_EXPIRY_DETLA`]: lightning::ln::channelmanager::MIN_FINAL_CLTV_EXPIRY_DELTA
 737          *
 738          * This can be used in a `no_std` environment, where [`std::time::SystemTime`] is not
 739          * available and the current time is supplied by the caller.
 740          *
 741          * Note that payment_hash (or a relevant inner pointer) may be NULL or all-0s to represent None
 742          */
 743         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.EntropySource entropy_source, org.ldk.structs.NodeSigner node_signer, org.ldk.structs.Logger logger, org.ldk.enums.Currency network, org.ldk.structs.Option_u16Z min_final_cltv_expiry_delta, long duration_since_epoch) {
 744                 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, entropy_source == null ? 0 : entropy_source.ptr, node_signer == null ? 0 : node_signer.ptr, logger == null ? 0 : logger.ptr, network, min_final_cltv_expiry_delta.ptr, duration_since_epoch);
 745                 Reference.reachabilityFence(amt_msat);
 746                 Reference.reachabilityFence(payment_hash);
 747                 Reference.reachabilityFence(description);
 748                 Reference.reachabilityFence(invoice_expiry_delta_secs);
 749                 Reference.reachabilityFence(phantom_route_hints);
 750                 Reference.reachabilityFence(entropy_source);
 751                 Reference.reachabilityFence(node_signer);
 752                 Reference.reachabilityFence(logger);
 753                 Reference.reachabilityFence(network);
 754                 Reference.reachabilityFence(min_final_cltv_expiry_delta);
 755                 Reference.reachabilityFence(duration_since_epoch);
 756                 if (ret >= 0 && ret <= 4096) { return null; }
 757                 Result_InvoiceSignOrCreationErrorZ ret_hu_conv = Result_InvoiceSignOrCreationErrorZ.constr_from_ptr(ret);
 758                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(amt_msat); };
 759                 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); }; };
 760                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(entropy_source); };
 761                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(node_signer); };
 762                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(logger); };
 763                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(min_final_cltv_expiry_delta); };
 764                 return ret_hu_conv;
 765         }
 766
 767         /**
 768          * Utility to create an invoice that can be paid to one of multiple nodes, or a \"phantom invoice.\"
 769          * See [`PhantomKeysManager`] for more information on phantom node payments.
 770          *
 771          * `phantom_route_hints` parameter:
 772          * Contains channel info for all nodes participating in the phantom invoice
 773          * Entries are retrieved from a call to [`ChannelManager::get_phantom_route_hints`] on each
 774          * participating node
 775          * It is fine to cache `phantom_route_hints` and reuse it across invoices, as long as the data is
 776          * updated when a channel becomes disabled or closes
 777          * Note that if too many channels are included in [`PhantomRouteHints::channels`], the invoice
 778          * may be too long for QR code scanning. To fix this, `PhantomRouteHints::channels` may be pared
 779          * down
 780          *
 781          * `description_hash` is a SHA-256 hash of the description text
 782          *
 783          * `payment_hash` can be specified if you have a specific need for a custom payment hash (see the difference
 784          * between [`ChannelManager::create_inbound_payment`] and [`ChannelManager::create_inbound_payment_for_hash`]).
 785          * If `None` is provided for `payment_hash`, then one will be created.
 786          *
 787          * `invoice_expiry_delta_secs` describes the number of seconds that the invoice is valid for
 788          * in excess of the current time.
 789          *
 790          * `duration_since_epoch` is the current time since epoch in seconds.
 791          *
 792          * Note that the provided `keys_manager`'s `NodeSigner` implementation must support phantom
 793          * invoices in its `sign_invoice` implementation ([`PhantomKeysManager`] satisfies this
 794          * requirement).
 795          *
 796          * [`PhantomKeysManager`]: lightning::chain::keysinterface::PhantomKeysManager
 797          * [`ChannelManager::get_phantom_route_hints`]: lightning::ln::channelmanager::ChannelManager::get_phantom_route_hints
 798          * [`ChannelManager::create_inbound_payment`]: lightning::ln::channelmanager::ChannelManager::create_inbound_payment
 799          * [`ChannelManager::create_inbound_payment_for_hash`]: lightning::ln::channelmanager::ChannelManager::create_inbound_payment_for_hash
 800          * [`PhantomRouteHints::channels`]: lightning::ln::channelmanager::PhantomRouteHints::channels
 801          *
 802          * This can be used in a `no_std` environment, where [`std::time::SystemTime`] is not
 803          * available and the current time is supplied by the caller.
 804          *
 805          * Note that payment_hash (or a relevant inner pointer) may be NULL or all-0s to represent None
 806          */
 807         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.EntropySource entropy_source, org.ldk.structs.NodeSigner node_signer, org.ldk.structs.Logger logger, org.ldk.enums.Currency network, org.ldk.structs.Option_u16Z min_final_cltv_expiry_delta, long duration_since_epoch) {
 808                 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, entropy_source == null ? 0 : entropy_source.ptr, node_signer == null ? 0 : node_signer.ptr, logger == null ? 0 : logger.ptr, network, min_final_cltv_expiry_delta.ptr, duration_since_epoch);
 809                 Reference.reachabilityFence(amt_msat);
 810                 Reference.reachabilityFence(payment_hash);
 811                 Reference.reachabilityFence(invoice_expiry_delta_secs);
 812                 Reference.reachabilityFence(description_hash);
 813                 Reference.reachabilityFence(phantom_route_hints);
 814                 Reference.reachabilityFence(entropy_source);
 815                 Reference.reachabilityFence(node_signer);
 816                 Reference.reachabilityFence(logger);
 817                 Reference.reachabilityFence(network);
 818                 Reference.reachabilityFence(min_final_cltv_expiry_delta);
 819                 Reference.reachabilityFence(duration_since_epoch);
 820                 if (ret >= 0 && ret <= 4096) { return null; }
 821                 Result_InvoiceSignOrCreationErrorZ ret_hu_conv = Result_InvoiceSignOrCreationErrorZ.constr_from_ptr(ret);
 822                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(amt_msat); };
 823                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(description_hash); };
 824                 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); }; };
 825                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(entropy_source); };
 826                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(node_signer); };
 827                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(logger); };
 828                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(min_final_cltv_expiry_delta); };
 829                 return ret_hu_conv;
 830         }
 831
 832         /**
 833          * Utility to construct an invoice. Generally, unless you want to do something like a custom
 834          * cltv_expiry, this is what you should be using to create an invoice. The reason being, this
 835          * method stores the invoice's payment secret and preimage in `ChannelManager`, so (a) the user
 836          * doesn't have to store preimage/payment secret information and (b) `ChannelManager` can verify
 837          * that the payment secret is valid when the invoice is paid.
 838          *
 839          * `invoice_expiry_delta_secs` describes the number of seconds that the invoice is valid for
 840          * in excess of the current time.
 841          *
 842          * You can specify a custom `min_final_cltv_expiry_delta`, or let LDK default it to
 843          * [`MIN_FINAL_CLTV_EXPIRY_DELTA`]. The provided expiry must be at least [`MIN_FINAL_CLTV_EXPIRY_DELTA`].
 844          * Note that LDK will add a buffer of 3 blocks to the delta to allow for up to a few new block
 845          * confirmations during routing.
 846          *
 847          * [`MIN_FINAL_CLTV_EXPIRY_DETLA`]: lightning::ln::channelmanager::MIN_FINAL_CLTV_EXPIRY_DELTA
 848          */
 849         public static Result_InvoiceSignOrCreationErrorZ create_invoice_from_channelmanager(org.ldk.structs.ChannelManager channelmanager, org.ldk.structs.NodeSigner node_signer, 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, org.ldk.structs.Option_u16Z min_final_cltv_expiry_delta) {
 850                 long ret = bindings.create_invoice_from_channelmanager(channelmanager == null ? 0 : channelmanager.ptr, node_signer == null ? 0 : node_signer.ptr, logger == null ? 0 : logger.ptr, network, amt_msat.ptr, description, invoice_expiry_delta_secs, min_final_cltv_expiry_delta.ptr);
 851                 Reference.reachabilityFence(channelmanager);
 852                 Reference.reachabilityFence(node_signer);
 853                 Reference.reachabilityFence(logger);
 854                 Reference.reachabilityFence(network);
 855                 Reference.reachabilityFence(amt_msat);
 856                 Reference.reachabilityFence(description);
 857                 Reference.reachabilityFence(invoice_expiry_delta_secs);
 858                 Reference.reachabilityFence(min_final_cltv_expiry_delta);
 859                 if (ret >= 0 && ret <= 4096) { return null; }
 860                 Result_InvoiceSignOrCreationErrorZ ret_hu_conv = Result_InvoiceSignOrCreationErrorZ.constr_from_ptr(ret);
 861                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(channelmanager); };
 862                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(node_signer); };
 863                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(logger); };
 864                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(amt_msat); };
 865                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(min_final_cltv_expiry_delta); };
 866                 return ret_hu_conv;
 867         }
 868
 869         /**
 870          * Utility to construct an invoice. Generally, unless you want to do something like a custom
 871          * cltv_expiry, this is what you should be using to create an invoice. The reason being, this
 872          * method stores the invoice's payment secret and preimage in `ChannelManager`, so (a) the user
 873          * doesn't have to store preimage/payment secret information and (b) `ChannelManager` can verify
 874          * that the payment secret is valid when the invoice is paid.
 875          * Use this variant if you want to pass the `description_hash` to the invoice.
 876          *
 877          * `invoice_expiry_delta_secs` describes the number of seconds that the invoice is valid for
 878          * in excess of the current time.
 879          *
 880          * You can specify a custom `min_final_cltv_expiry_delta`, or let LDK default it to
 881          * [`MIN_FINAL_CLTV_EXPIRY_DELTA`]. The provided expiry must be at least [`MIN_FINAL_CLTV_EXPIRY_DELTA`].
 882          * Note that LDK will add a buffer of 3 blocks to the delta to allow for up to a few new block
 883          * confirmations during routing.
 884          *
 885          * [`MIN_FINAL_CLTV_EXPIRY_DETLA`]: lightning::ln::channelmanager::MIN_FINAL_CLTV_EXPIRY_DELTA
 886          */
 887         public static Result_InvoiceSignOrCreationErrorZ create_invoice_from_channelmanager_with_description_hash(org.ldk.structs.ChannelManager channelmanager, org.ldk.structs.NodeSigner node_signer, 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, org.ldk.structs.Option_u16Z min_final_cltv_expiry_delta) {
 888                 long ret = bindings.create_invoice_from_channelmanager_with_description_hash(channelmanager == null ? 0 : channelmanager.ptr, node_signer == null ? 0 : node_signer.ptr, logger == null ? 0 : logger.ptr, network, amt_msat.ptr, description_hash == null ? 0 : description_hash.ptr, invoice_expiry_delta_secs, min_final_cltv_expiry_delta.ptr);
 889                 Reference.reachabilityFence(channelmanager);
 890                 Reference.reachabilityFence(node_signer);
 891                 Reference.reachabilityFence(logger);
 892                 Reference.reachabilityFence(network);
 893                 Reference.reachabilityFence(amt_msat);
 894                 Reference.reachabilityFence(description_hash);
 895                 Reference.reachabilityFence(invoice_expiry_delta_secs);
 896                 Reference.reachabilityFence(min_final_cltv_expiry_delta);
 897                 if (ret >= 0 && ret <= 4096) { return null; }
 898                 Result_InvoiceSignOrCreationErrorZ ret_hu_conv = Result_InvoiceSignOrCreationErrorZ.constr_from_ptr(ret);
 899                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(channelmanager); };
 900                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(node_signer); };
 901                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(logger); };
 902                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(amt_msat); };
 903                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(description_hash); };
 904                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(min_final_cltv_expiry_delta); };
 905                 return ret_hu_conv;
 906         }
 907
 908         /**
 909          * See [`create_invoice_from_channelmanager_with_description_hash`]
 910          * This version can be used in a `no_std` environment, where [`std::time::SystemTime`] is not
 911          * available and the current time is supplied by the caller.
 912          */
 913         public static Result_InvoiceSignOrCreationErrorZ create_invoice_from_channelmanager_with_description_hash_and_duration_since_epoch(org.ldk.structs.ChannelManager channelmanager, org.ldk.structs.NodeSigner node_signer, 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, org.ldk.structs.Option_u16Z min_final_cltv_expiry_delta) {
 914                 long ret = bindings.create_invoice_from_channelmanager_with_description_hash_and_duration_since_epoch(channelmanager == null ? 0 : channelmanager.ptr, node_signer == null ? 0 : node_signer.ptr, logger == null ? 0 : logger.ptr, network, amt_msat.ptr, description_hash == null ? 0 : description_hash.ptr, duration_since_epoch, invoice_expiry_delta_secs, min_final_cltv_expiry_delta.ptr);
 915                 Reference.reachabilityFence(channelmanager);
 916                 Reference.reachabilityFence(node_signer);
 917                 Reference.reachabilityFence(logger);
 918                 Reference.reachabilityFence(network);
 919                 Reference.reachabilityFence(amt_msat);
 920                 Reference.reachabilityFence(description_hash);
 921                 Reference.reachabilityFence(duration_since_epoch);
 922                 Reference.reachabilityFence(invoice_expiry_delta_secs);
 923                 Reference.reachabilityFence(min_final_cltv_expiry_delta);
 924                 if (ret >= 0 && ret <= 4096) { return null; }
 925                 Result_InvoiceSignOrCreationErrorZ ret_hu_conv = Result_InvoiceSignOrCreationErrorZ.constr_from_ptr(ret);
 926                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(channelmanager); };
 927                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(node_signer); };
 928                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(logger); };
 929                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(amt_msat); };
 930                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(description_hash); };
 931                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(min_final_cltv_expiry_delta); };
 932                 return ret_hu_conv;
 933         }
 934
 935         /**
 936          * See [`create_invoice_from_channelmanager`]
 937          * This version can be used in a `no_std` environment, where [`std::time::SystemTime`] is not
 938          * available and the current time is supplied by the caller.
 939          */
 940         public static Result_InvoiceSignOrCreationErrorZ create_invoice_from_channelmanager_and_duration_since_epoch(org.ldk.structs.ChannelManager channelmanager, org.ldk.structs.NodeSigner node_signer, 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, org.ldk.structs.Option_u16Z min_final_cltv_expiry_delta) {
 941                 long ret = bindings.create_invoice_from_channelmanager_and_duration_since_epoch(channelmanager == null ? 0 : channelmanager.ptr, node_signer == null ? 0 : node_signer.ptr, logger == null ? 0 : logger.ptr, network, amt_msat.ptr, description, duration_since_epoch, invoice_expiry_delta_secs, min_final_cltv_expiry_delta.ptr);
 942                 Reference.reachabilityFence(channelmanager);
 943                 Reference.reachabilityFence(node_signer);
 944                 Reference.reachabilityFence(logger);
 945                 Reference.reachabilityFence(network);
 946                 Reference.reachabilityFence(amt_msat);
 947                 Reference.reachabilityFence(description);
 948                 Reference.reachabilityFence(duration_since_epoch);
 949                 Reference.reachabilityFence(invoice_expiry_delta_secs);
 950                 Reference.reachabilityFence(min_final_cltv_expiry_delta);
 951                 if (ret >= 0 && ret <= 4096) { return null; }
 952                 Result_InvoiceSignOrCreationErrorZ ret_hu_conv = Result_InvoiceSignOrCreationErrorZ.constr_from_ptr(ret);
 953                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(channelmanager); };
 954                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(node_signer); };
 955                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(logger); };
 956                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(amt_msat); };
 957                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(min_final_cltv_expiry_delta); };
 958                 return ret_hu_conv;
 959         }
 960
 961         /**
 962          * See [`create_invoice_from_channelmanager_and_duration_since_epoch`]
 963          * This version allows for providing a custom [`PaymentHash`] for the invoice.
 964          * This may be useful if you're building an on-chain swap or involving another protocol where
 965          * the payment hash is also involved outside the scope of lightning.
 966          */
 967         public static Result_InvoiceSignOrCreationErrorZ create_invoice_from_channelmanager_and_duration_since_epoch_with_payment_hash(org.ldk.structs.ChannelManager channelmanager, org.ldk.structs.NodeSigner node_signer, 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, org.ldk.structs.Option_u16Z min_final_cltv_expiry_delta) {
 968                 long ret = bindings.create_invoice_from_channelmanager_and_duration_since_epoch_with_payment_hash(channelmanager == null ? 0 : channelmanager.ptr, node_signer == null ? 0 : node_signer.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), min_final_cltv_expiry_delta.ptr);
 969                 Reference.reachabilityFence(channelmanager);
 970                 Reference.reachabilityFence(node_signer);
 971                 Reference.reachabilityFence(logger);
 972                 Reference.reachabilityFence(network);
 973                 Reference.reachabilityFence(amt_msat);
 974                 Reference.reachabilityFence(description);
 975                 Reference.reachabilityFence(duration_since_epoch);
 976                 Reference.reachabilityFence(invoice_expiry_delta_secs);
 977                 Reference.reachabilityFence(payment_hash);
 978                 Reference.reachabilityFence(min_final_cltv_expiry_delta);
 979                 if (ret >= 0 && ret <= 4096) { return null; }
 980                 Result_InvoiceSignOrCreationErrorZ ret_hu_conv = Result_InvoiceSignOrCreationErrorZ.constr_from_ptr(ret);
 981                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(channelmanager); };
 982                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(node_signer); };
 983                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(logger); };
 984                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(amt_msat); };
 985                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(min_final_cltv_expiry_delta); };
 986                 return ret_hu_conv;
 987         }
 988
 989 }