[Java] Update auto-generated bindings
[ldk-java] / src / main / java / org / ldk / structs / UtilMethods.java
index f3bc9b1704ac32640ea9107ca13ff3900b0b011a..7c53034ab6b3f49978075c0c580af1c7be17b7cf 100644 (file)
@@ -3,14 +3,32 @@ import org.ldk.impl.bindings;
 import org.ldk.enums.*;
 import org.ldk.util.*;
 import java.util.Arrays;
+import java.lang.ref.Reference;
 import javax.annotation.Nullable;
 
 public class UtilMethods {
+       /**
+        * Constructs a new COption_NoneZ containing a
+        */
+       public static COption_NoneZ COption_NoneZ_some() {
+               COption_NoneZ ret = bindings.COption_NoneZ_some();
+               return ret;
+       }
+
+       /**
+        * Constructs a new COption_NoneZ containing nothing
+        */
+       public static COption_NoneZ COption_NoneZ_none() {
+               COption_NoneZ ret = bindings.COption_NoneZ_none();
+               return ret;
+       }
+
        /**
         * Read a ClosureReason from a byte array, created by ClosureReason_write
         */
        public static Result_COption_ClosureReasonZDecodeErrorZ ClosureReason_read(byte[] ser) {
                long ret = bindings.ClosureReason_read(ser);
+               Reference.reachabilityFence(ser);
                if (ret >= 0 && ret <= 4096) { return null; }
                Result_COption_ClosureReasonZDecodeErrorZ ret_hu_conv = Result_COption_ClosureReasonZDecodeErrorZ.constr_from_ptr(ret);
                return ret_hu_conv;
@@ -21,6 +39,7 @@ public class UtilMethods {
         */
        public static Result_COption_EventZDecodeErrorZ Event_read(byte[] ser) {
                long ret = bindings.Event_read(ser);
+               Reference.reachabilityFence(ser);
                if (ret >= 0 && ret <= 4096) { return null; }
                Result_COption_EventZDecodeErrorZ ret_hu_conv = Result_COption_EventZDecodeErrorZ.constr_from_ptr(ret);
                return ret_hu_conv;
@@ -33,6 +52,8 @@ public class UtilMethods {
         */
        public static Result_StringErrorZ sign(byte[] msg, byte[] sk) {
                long ret = bindings.sign(msg, InternalUtils.check_arr_len(sk, 32));
+               Reference.reachabilityFence(msg);
+               Reference.reachabilityFence(sk);
                if (ret >= 0 && ret <= 4096) { return null; }
                Result_StringErrorZ ret_hu_conv = Result_StringErrorZ.constr_from_ptr(ret);
                return ret_hu_conv;
@@ -43,6 +64,8 @@ public class UtilMethods {
         */
        public static Result_PublicKeyErrorZ recover_pk(byte[] msg, java.lang.String sig) {
                long ret = bindings.recover_pk(msg, sig);
+               Reference.reachabilityFence(msg);
+               Reference.reachabilityFence(sig);
                if (ret >= 0 && ret <= 4096) { return null; }
                Result_PublicKeyErrorZ ret_hu_conv = Result_PublicKeyErrorZ.constr_from_ptr(ret);
                return ret_hu_conv;
@@ -54,6 +77,19 @@ public class UtilMethods {
         */
        public static boolean verify(byte[] msg, java.lang.String sig, byte[] pk) {
                boolean ret = bindings.verify(msg, sig, InternalUtils.check_arr_len(pk, 33));
+               Reference.reachabilityFence(msg);
+               Reference.reachabilityFence(sig);
+               Reference.reachabilityFence(pk);
+               return ret;
+       }
+
+       /**
+        * Construct the invoice's HRP and signatureless data into a preimage to be hashed.
+        */
+       public static byte[] construct_invoice_preimage(byte[] hrp_bytes, UInt5[] data_without_signature) {
+               byte[] ret = bindings.construct_invoice_preimage(hrp_bytes, data_without_signature != null ? InternalUtils.convUInt5Array(data_without_signature) : null);
+               Reference.reachabilityFence(hrp_bytes);
+               Reference.reachabilityFence(data_without_signature);
                return ret;
        }
 
@@ -62,6 +98,7 @@ public class UtilMethods {
         */
        public static Result_COption_MonitorEventZDecodeErrorZ MonitorEvent_read(byte[] ser) {
                long ret = bindings.MonitorEvent_read(ser);
+               Reference.reachabilityFence(ser);
                if (ret >= 0 && ret <= 4096) { return null; }
                Result_COption_MonitorEventZDecodeErrorZ ret_hu_conv = Result_COption_MonitorEventZDecodeErrorZ.constr_from_ptr(ret);
                return ret_hu_conv;
@@ -72,6 +109,8 @@ public class UtilMethods {
         */
        public static Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ C2Tuple_BlockHashChannelMonitorZ_read(byte[] ser, KeysInterface arg) {
                long ret = bindings.C2Tuple_BlockHashChannelMonitorZ_read(ser, arg == null ? 0 : arg.ptr);
+               Reference.reachabilityFence(ser);
+               Reference.reachabilityFence(arg);
                if (ret >= 0 && ret <= 4096) { return null; }
                Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ ret_hu_conv = Result_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ.constr_from_ptr(ret);
                ret_hu_conv.ptrs_to.add(arg);
@@ -83,6 +122,14 @@ public class UtilMethods {
         */
        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) {
                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 & ~1, 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 & ~1).toArray() : null));
+               Reference.reachabilityFence(ser);
+               Reference.reachabilityFence(arg_keys_manager);
+               Reference.reachabilityFence(arg_fee_estimator);
+               Reference.reachabilityFence(arg_chain_monitor);
+               Reference.reachabilityFence(arg_tx_broadcaster);
+               Reference.reachabilityFence(arg_logger);
+               Reference.reachabilityFence(arg_default_config);
+               Reference.reachabilityFence(arg_channel_monitors);
                if (ret >= 0 && ret <= 4096) { return null; }
                Result_C2Tuple_BlockHashChannelManagerZDecodeErrorZ ret_hu_conv = Result_C2Tuple_BlockHashChannelManagerZDecodeErrorZ.constr_from_ptr(ret);
                ret_hu_conv.ptrs_to.add(arg_keys_manager);
@@ -95,11 +142,31 @@ public class UtilMethods {
                return ret_hu_conv;
        }
 
+       /**
+        * Gets the weight for an HTLC-Success transaction.
+        */
+       public static long htlc_success_tx_weight(boolean opt_anchors) {
+               long ret = bindings.htlc_success_tx_weight(opt_anchors);
+               Reference.reachabilityFence(opt_anchors);
+               return ret;
+       }
+
+       /**
+        * Gets the weight for an HTLC-Timeout transaction.
+        */
+       public static long htlc_timeout_tx_weight(boolean opt_anchors) {
+               long ret = bindings.htlc_timeout_tx_weight(opt_anchors);
+               Reference.reachabilityFence(opt_anchors);
+               return ret;
+       }
+
        /**
         * Build the commitment secret from the seed and the commitment number
         */
        public static byte[] build_commitment_secret(byte[] commitment_seed, long idx) {
                byte[] ret = bindings.build_commitment_secret(InternalUtils.check_arr_len(commitment_seed, 32), idx);
+               Reference.reachabilityFence(commitment_seed);
+               Reference.reachabilityFence(idx);
                return ret;
        }
 
@@ -108,6 +175,11 @@ public class UtilMethods {
         */
        public static byte[] build_closing_transaction(long to_holder_value_sat, long to_counterparty_value_sat, byte[] to_holder_script, byte[] to_counterparty_script, OutPoint funding_outpoint) {
                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 & ~1);
+               Reference.reachabilityFence(to_holder_value_sat);
+               Reference.reachabilityFence(to_counterparty_value_sat);
+               Reference.reachabilityFence(to_holder_script);
+               Reference.reachabilityFence(to_counterparty_script);
+               Reference.reachabilityFence(funding_outpoint);
                return ret;
        }
 
@@ -120,6 +192,8 @@ public class UtilMethods {
         */
        public static Result_SecretKeyErrorZ derive_private_key(byte[] per_commitment_point, byte[] base_secret) {
                long ret = bindings.derive_private_key(InternalUtils.check_arr_len(per_commitment_point, 33), InternalUtils.check_arr_len(base_secret, 32));
+               Reference.reachabilityFence(per_commitment_point);
+               Reference.reachabilityFence(base_secret);
                if (ret >= 0 && ret <= 4096) { return null; }
                Result_SecretKeyErrorZ ret_hu_conv = Result_SecretKeyErrorZ.constr_from_ptr(ret);
                return ret_hu_conv;
@@ -135,6 +209,8 @@ public class UtilMethods {
         */
        public static Result_PublicKeyErrorZ derive_public_key(byte[] per_commitment_point, byte[] base_point) {
                long ret = bindings.derive_public_key(InternalUtils.check_arr_len(per_commitment_point, 33), InternalUtils.check_arr_len(base_point, 33));
+               Reference.reachabilityFence(per_commitment_point);
+               Reference.reachabilityFence(base_point);
                if (ret >= 0 && ret <= 4096) { return null; }
                Result_PublicKeyErrorZ ret_hu_conv = Result_PublicKeyErrorZ.constr_from_ptr(ret);
                return ret_hu_conv;
@@ -153,6 +229,8 @@ public class UtilMethods {
         */
        public static Result_SecretKeyErrorZ derive_private_revocation_key(byte[] per_commitment_secret, byte[] countersignatory_revocation_base_secret) {
                long ret = bindings.derive_private_revocation_key(InternalUtils.check_arr_len(per_commitment_secret, 32), InternalUtils.check_arr_len(countersignatory_revocation_base_secret, 32));
+               Reference.reachabilityFence(per_commitment_secret);
+               Reference.reachabilityFence(countersignatory_revocation_base_secret);
                if (ret >= 0 && ret <= 4096) { return null; }
                Result_SecretKeyErrorZ ret_hu_conv = Result_SecretKeyErrorZ.constr_from_ptr(ret);
                return ret_hu_conv;
@@ -173,6 +251,8 @@ public class UtilMethods {
         */
        public static Result_PublicKeyErrorZ derive_public_revocation_key(byte[] per_commitment_point, byte[] countersignatory_revocation_base_point) {
                long ret = bindings.derive_public_revocation_key(InternalUtils.check_arr_len(per_commitment_point, 33), InternalUtils.check_arr_len(countersignatory_revocation_base_point, 33));
+               Reference.reachabilityFence(per_commitment_point);
+               Reference.reachabilityFence(countersignatory_revocation_base_point);
                if (ret >= 0 && ret <= 4096) { return null; }
                Result_PublicKeyErrorZ ret_hu_conv = Result_PublicKeyErrorZ.constr_from_ptr(ret);
                return ret_hu_conv;
@@ -185,6 +265,9 @@ public class UtilMethods {
         */
        public static byte[] get_revokeable_redeemscript(byte[] revocation_key, short contest_delay, byte[] broadcaster_delayed_payment_key) {
                byte[] ret = bindings.get_revokeable_redeemscript(InternalUtils.check_arr_len(revocation_key, 33), contest_delay, InternalUtils.check_arr_len(broadcaster_delayed_payment_key, 33));
+               Reference.reachabilityFence(revocation_key);
+               Reference.reachabilityFence(contest_delay);
+               Reference.reachabilityFence(broadcaster_delayed_payment_key);
                return ret;
        }
 
@@ -192,10 +275,11 @@ public class UtilMethods {
         * Gets the witness redeemscript for an HTLC output in a commitment transaction. Note that htlc
         * does not need to have its previous_output_index filled.
         */
-       public static byte[] get_htlc_redeemscript(HTLCOutputInCommitment htlc, TxCreationKeys keys) {
-               byte[] ret = bindings.get_htlc_redeemscript(htlc == null ? 0 : htlc.ptr & ~1, keys == null ? 0 : keys.ptr & ~1);
-               // this.ptrs_to.add(htlc);
-               // this.ptrs_to.add(keys);
+       public static byte[] get_htlc_redeemscript(HTLCOutputInCommitment htlc, boolean opt_anchors, TxCreationKeys keys) {
+               byte[] ret = bindings.get_htlc_redeemscript(htlc == null ? 0 : htlc.ptr & ~1, opt_anchors, keys == null ? 0 : keys.ptr & ~1);
+               Reference.reachabilityFence(htlc);
+               Reference.reachabilityFence(opt_anchors);
+               Reference.reachabilityFence(keys);
                return ret;
        }
 
@@ -205,6 +289,8 @@ public class UtilMethods {
         */
        public static byte[] make_funding_redeemscript(byte[] broadcaster, byte[] countersignatory) {
                byte[] ret = bindings.make_funding_redeemscript(InternalUtils.check_arr_len(broadcaster, 33), InternalUtils.check_arr_len(countersignatory, 33));
+               Reference.reachabilityFence(broadcaster);
+               Reference.reachabilityFence(countersignatory);
                return ret;
        }
 
@@ -217,9 +303,29 @@ public class UtilMethods {
         * Panics if htlc.transaction_output_index.is_none() (as such HTLCs do not appear in the
         * commitment transaction).
         */
-       public static byte[] build_htlc_transaction(byte[] commitment_txid, int feerate_per_kw, short contest_delay, HTLCOutputInCommitment htlc, byte[] broadcaster_delayed_payment_key, byte[] revocation_key) {
-               byte[] ret = bindings.build_htlc_transaction(InternalUtils.check_arr_len(commitment_txid, 32), feerate_per_kw, contest_delay, htlc == null ? 0 : htlc.ptr & ~1, InternalUtils.check_arr_len(broadcaster_delayed_payment_key, 33), InternalUtils.check_arr_len(revocation_key, 33));
-               // this.ptrs_to.add(htlc);
+       public static byte[] build_htlc_transaction(byte[] commitment_txid, int feerate_per_kw, short contest_delay, HTLCOutputInCommitment htlc, boolean opt_anchors, byte[] broadcaster_delayed_payment_key, byte[] revocation_key) {
+               byte[] ret = bindings.build_htlc_transaction(InternalUtils.check_arr_len(commitment_txid, 32), feerate_per_kw, contest_delay, htlc == null ? 0 : htlc.ptr & ~1, opt_anchors, InternalUtils.check_arr_len(broadcaster_delayed_payment_key, 33), InternalUtils.check_arr_len(revocation_key, 33));
+               Reference.reachabilityFence(commitment_txid);
+               Reference.reachabilityFence(feerate_per_kw);
+               Reference.reachabilityFence(contest_delay);
+               Reference.reachabilityFence(htlc);
+               Reference.reachabilityFence(opt_anchors);
+               Reference.reachabilityFence(broadcaster_delayed_payment_key);
+               Reference.reachabilityFence(revocation_key);
+               return ret;
+       }
+
+       /**
+        * Gets the witnessScript for an anchor output from the funding public key.
+        * The witness in the spending input must be:
+        * <BIP 143 funding_signature>
+        * After 16 blocks of confirmation, an alternative satisfying witness could be:
+        * <>
+        * (empty vector required to satisfy compliance with MINIMALIF-standard rule)
+        */
+       public static byte[] get_anchor_redeemscript(byte[] funding_pubkey) {
+               byte[] ret = bindings.get_anchor_redeemscript(InternalUtils.check_arr_len(funding_pubkey, 33));
+               Reference.reachabilityFence(funding_pubkey);
                return ret;
        }
 
@@ -233,6 +339,9 @@ public class UtilMethods {
         */
        public static long get_commitment_transaction_number_obscure_factor(byte[] broadcaster_payment_basepoint, byte[] countersignatory_payment_basepoint, boolean outbound_from_broadcaster) {
                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);
+               Reference.reachabilityFence(broadcaster_payment_basepoint);
+               Reference.reachabilityFence(countersignatory_payment_basepoint);
+               Reference.reachabilityFence(outbound_from_broadcaster);
                return ret;
        }
 
@@ -241,6 +350,7 @@ public class UtilMethods {
         */
        public static Result_COption_NetworkUpdateZDecodeErrorZ NetworkUpdate_read(byte[] ser) {
                long ret = bindings.NetworkUpdate_read(ser);
+               Reference.reachabilityFence(ser);
                if (ret >= 0 && ret <= 4096) { return null; }
                Result_COption_NetworkUpdateZDecodeErrorZ ret_hu_conv = Result_COption_NetworkUpdateZDecodeErrorZ.constr_from_ptr(ret);
                return ret_hu_conv;
@@ -278,11 +388,18 @@ public class UtilMethods {
         * 
         * Note that first_hops (or a relevant inner pointer) may be NULL or all-0s to represent None
         */
-       public static Result_RouteLightningErrorZ find_route(byte[] our_node_pubkey, RouteParameters params, NetworkGraph network, @Nullable ChannelDetails[] first_hops, Logger logger, Score scorer) {
-               long ret = bindings.find_route(InternalUtils.check_arr_len(our_node_pubkey, 33), params == null ? 0 : params.ptr & ~1, network == null ? 0 : network.ptr & ~1, first_hops != null ? Arrays.stream(first_hops).mapToLong(first_hops_conv_16 -> first_hops_conv_16 == null ? 0 : first_hops_conv_16.ptr & ~1).toArray() : null, logger == null ? 0 : logger.ptr, scorer == null ? 0 : scorer.ptr);
+       public static Result_RouteLightningErrorZ find_route(byte[] our_node_pubkey, RouteParameters route_params, NetworkGraph network, @Nullable ChannelDetails[] first_hops, Logger logger, Score scorer, byte[] random_seed_bytes) {
+               long ret = bindings.find_route(InternalUtils.check_arr_len(our_node_pubkey, 33), route_params == null ? 0 : route_params.ptr & ~1, network == null ? 0 : network.ptr & ~1, first_hops != null ? Arrays.stream(first_hops).mapToLong(first_hops_conv_16 -> first_hops_conv_16 == null ? 0 : first_hops_conv_16.ptr & ~1).toArray() : null, logger == null ? 0 : logger.ptr, scorer == null ? 0 : scorer.ptr, InternalUtils.check_arr_len(random_seed_bytes, 32));
+               Reference.reachabilityFence(our_node_pubkey);
+               Reference.reachabilityFence(route_params);
+               Reference.reachabilityFence(network);
+               Reference.reachabilityFence(first_hops);
+               Reference.reachabilityFence(logger);
+               Reference.reachabilityFence(scorer);
+               Reference.reachabilityFence(random_seed_bytes);
                if (ret >= 0 && ret <= 4096) { return null; }
                Result_RouteLightningErrorZ ret_hu_conv = Result_RouteLightningErrorZ.constr_from_ptr(ret);
-               ret_hu_conv.ptrs_to.add(params);
+               ret_hu_conv.ptrs_to.add(route_params);
                ret_hu_conv.ptrs_to.add(network);
                for (ChannelDetails first_hops_conv_16: first_hops) { ret_hu_conv.ptrs_to.add(first_hops_conv_16); };
                ret_hu_conv.ptrs_to.add(logger);
@@ -296,12 +413,112 @@ public class UtilMethods {
         */
        public static Result_NoneErrorZ FilesystemPersister_persist_manager(java.lang.String data_dir, ChannelManager manager) {
                long ret = bindings.FilesystemPersister_persist_manager(data_dir, manager == null ? 0 : manager.ptr & ~1);
+               Reference.reachabilityFence(data_dir);
+               Reference.reachabilityFence(manager);
                if (ret >= 0 && ret <= 4096) { return null; }
                Result_NoneErrorZ ret_hu_conv = Result_NoneErrorZ.constr_from_ptr(ret);
                ret_hu_conv.ptrs_to.add(manager);
                return ret_hu_conv;
        }
 
+       /**
+        * Write the provided `NetworkGraph` to the path provided at `FilesystemPersister`
+        * initialization, within a file called \"network_graph\"
+        */
+       public static Result_NoneErrorZ FilesystemPersister_persist_network_graph(java.lang.String data_dir, NetworkGraph network_graph) {
+               long ret = bindings.FilesystemPersister_persist_network_graph(data_dir, network_graph == null ? 0 : network_graph.ptr & ~1);
+               Reference.reachabilityFence(data_dir);
+               Reference.reachabilityFence(network_graph);
+               if (ret >= 0 && ret <= 4096) { return null; }
+               Result_NoneErrorZ ret_hu_conv = Result_NoneErrorZ.constr_from_ptr(ret);
+               ret_hu_conv.ptrs_to.add(network_graph);
+               return ret_hu_conv;
+       }
+
+       /**
+        * Utility to create an invoice that can be paid to one of multiple nodes, or a \"phantom invoice.\"
+        * See [`PhantomKeysManager`] for more information on phantom node payments.
+        * 
+        * `phantom_route_hints` parameter:
+        * Contains channel info for all nodes participating in the phantom invoice
+        * Entries are retrieved from a call to [`ChannelManager::get_phantom_route_hints`] on each
+        * participating node
+        * It is fine to cache `phantom_route_hints` and reuse it across invoices, as long as the data is
+        * updated when a channel becomes disabled or closes
+        * Note that if too many channels are included in [`PhantomRouteHints::channels`], the invoice
+        * may be too long for QR code scanning. To fix this, `PhantomRouteHints::channels` may be pared
+        * down
+        * 
+        * `payment_hash` and `payment_secret` come from [`ChannelManager::create_inbound_payment`] or
+        * [`ChannelManager::create_inbound_payment_for_hash`]. These values can be retrieved from any
+        * participating node.
+        * 
+        * Note that the provided `keys_manager`'s `KeysInterface` implementation must support phantom
+        * invoices in its `sign_invoice` implementation ([`PhantomKeysManager`] satisfies this
+        * requirement).
+        * 
+        * [`PhantomKeysManager`]: lightning::chain::keysinterface::PhantomKeysManager
+        * [`ChannelManager::get_phantom_route_hints`]: lightning::ln::channelmanager::ChannelManager::get_phantom_route_hints
+        * [`PhantomRouteHints::channels`]: lightning::ln::channelmanager::PhantomRouteHints::channels
+        */
+       public static Result_InvoiceSignOrCreationErrorZ create_phantom_invoice(Option_u64Z amt_msat, java.lang.String description, byte[] payment_hash, byte[] payment_secret, PhantomRouteHints[] phantom_route_hints, KeysInterface keys_manager, org.ldk.enums.Currency network) {
+               long ret = bindings.create_phantom_invoice(amt_msat.ptr, description, InternalUtils.check_arr_len(payment_hash, 32), InternalUtils.check_arr_len(payment_secret, 32), 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 & ~1).toArray() : null, keys_manager == null ? 0 : keys_manager.ptr, network);
+               Reference.reachabilityFence(amt_msat);
+               Reference.reachabilityFence(description);
+               Reference.reachabilityFence(payment_hash);
+               Reference.reachabilityFence(payment_secret);
+               Reference.reachabilityFence(phantom_route_hints);
+               Reference.reachabilityFence(keys_manager);
+               Reference.reachabilityFence(network);
+               if (ret >= 0 && ret <= 4096) { return null; }
+               Result_InvoiceSignOrCreationErrorZ ret_hu_conv = Result_InvoiceSignOrCreationErrorZ.constr_from_ptr(ret);
+               ret_hu_conv.ptrs_to.add(keys_manager);
+               return ret_hu_conv;
+       }
+
+       /**
+        * Utility to create an invoice that can be paid to one of multiple nodes, or a \"phantom invoice.\"
+        * See [`PhantomKeysManager`] for more information on phantom node payments.
+        * 
+        * `phantom_route_hints` parameter:
+        * Contains channel info for all nodes participating in the phantom invoice
+        * Entries are retrieved from a call to [`ChannelManager::get_phantom_route_hints`] on each
+        * participating node
+        * It is fine to cache `phantom_route_hints` and reuse it across invoices, as long as the data is
+        * updated when a channel becomes disabled or closes
+        * Note that if too many channels are included in [`PhantomRouteHints::channels`], the invoice
+        * may be too long for QR code scanning. To fix this, `PhantomRouteHints::channels` may be pared
+        * down
+        * 
+        * `description_hash` is a SHA-256 hash of the description text
+        * 
+        * `payment_hash` and `payment_secret` come from [`ChannelManager::create_inbound_payment`] or
+        * [`ChannelManager::create_inbound_payment_for_hash`]. These values can be retrieved from any
+        * participating node.
+        * 
+        * Note that the provided `keys_manager`'s `KeysInterface` implementation must support phantom
+        * invoices in its `sign_invoice` implementation ([`PhantomKeysManager`] satisfies this
+        * requirement).
+        * 
+        * [`PhantomKeysManager`]: lightning::chain::keysinterface::PhantomKeysManager
+        * [`ChannelManager::get_phantom_route_hints`]: lightning::ln::channelmanager::ChannelManager::get_phantom_route_hints
+        * [`PhantomRouteHints::channels`]: lightning::ln::channelmanager::PhantomRouteHints::channels
+        */
+       public static Result_InvoiceSignOrCreationErrorZ create_phantom_invoice_with_description_hash(Option_u64Z amt_msat, Sha256 description_hash, byte[] payment_hash, byte[] payment_secret, PhantomRouteHints[] phantom_route_hints, KeysInterface keys_manager, org.ldk.enums.Currency network) {
+               long ret = bindings.create_phantom_invoice_with_description_hash(amt_msat.ptr, description_hash == null ? 0 : description_hash.ptr & ~1, InternalUtils.check_arr_len(payment_hash, 32), InternalUtils.check_arr_len(payment_secret, 32), 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 & ~1).toArray() : null, keys_manager == null ? 0 : keys_manager.ptr, network);
+               Reference.reachabilityFence(amt_msat);
+               Reference.reachabilityFence(description_hash);
+               Reference.reachabilityFence(payment_hash);
+               Reference.reachabilityFence(payment_secret);
+               Reference.reachabilityFence(phantom_route_hints);
+               Reference.reachabilityFence(keys_manager);
+               Reference.reachabilityFence(network);
+               if (ret >= 0 && ret <= 4096) { return null; }
+               Result_InvoiceSignOrCreationErrorZ ret_hu_conv = Result_InvoiceSignOrCreationErrorZ.constr_from_ptr(ret);
+               ret_hu_conv.ptrs_to.add(keys_manager);
+               return ret_hu_conv;
+       }
+
        /**
         * Utility to construct an invoice. Generally, unless you want to do something like a custom
         * cltv_expiry, this is what you should be using to create an invoice. The reason being, this
@@ -311,6 +528,73 @@ public class UtilMethods {
         */
        public static Result_InvoiceSignOrCreationErrorZ create_invoice_from_channelmanager(ChannelManager channelmanager, KeysInterface keys_manager, org.ldk.enums.Currency network, Option_u64Z amt_msat, java.lang.String description) {
                long ret = bindings.create_invoice_from_channelmanager(channelmanager == null ? 0 : channelmanager.ptr & ~1, keys_manager == null ? 0 : keys_manager.ptr, network, amt_msat.ptr, description);
+               Reference.reachabilityFence(channelmanager);
+               Reference.reachabilityFence(keys_manager);
+               Reference.reachabilityFence(network);
+               Reference.reachabilityFence(amt_msat);
+               Reference.reachabilityFence(description);
+               if (ret >= 0 && ret <= 4096) { return null; }
+               Result_InvoiceSignOrCreationErrorZ ret_hu_conv = Result_InvoiceSignOrCreationErrorZ.constr_from_ptr(ret);
+               ret_hu_conv.ptrs_to.add(channelmanager);
+               ret_hu_conv.ptrs_to.add(keys_manager);
+               return ret_hu_conv;
+       }
+
+       /**
+        * Utility to construct an invoice. Generally, unless you want to do something like a custom
+        * cltv_expiry, this is what you should be using to create an invoice. The reason being, this
+        * method stores the invoice's payment secret and preimage in `ChannelManager`, so (a) the user
+        * doesn't have to store preimage/payment secret information and (b) `ChannelManager` can verify
+        * that the payment secret is valid when the invoice is paid.
+        * Use this variant if you want to pass the `description_hash` to the invoice.
+        */
+       public static Result_InvoiceSignOrCreationErrorZ create_invoice_from_channelmanager_with_description_hash(ChannelManager channelmanager, KeysInterface keys_manager, org.ldk.enums.Currency network, Option_u64Z amt_msat, Sha256 description_hash) {
+               long ret = bindings.create_invoice_from_channelmanager_with_description_hash(channelmanager == null ? 0 : channelmanager.ptr & ~1, keys_manager == null ? 0 : keys_manager.ptr, network, amt_msat.ptr, description_hash == null ? 0 : description_hash.ptr & ~1);
+               Reference.reachabilityFence(channelmanager);
+               Reference.reachabilityFence(keys_manager);
+               Reference.reachabilityFence(network);
+               Reference.reachabilityFence(amt_msat);
+               Reference.reachabilityFence(description_hash);
+               if (ret >= 0 && ret <= 4096) { return null; }
+               Result_InvoiceSignOrCreationErrorZ ret_hu_conv = Result_InvoiceSignOrCreationErrorZ.constr_from_ptr(ret);
+               ret_hu_conv.ptrs_to.add(channelmanager);
+               ret_hu_conv.ptrs_to.add(keys_manager);
+               return ret_hu_conv;
+       }
+
+       /**
+        * See [`create_invoice_from_channelmanager_with_description_hash`]
+        * This version can be used in a `no_std` environment, where [`std::time::SystemTime`] is not
+        * available and the current time is supplied by the caller.
+        */
+       public static Result_InvoiceSignOrCreationErrorZ create_invoice_from_channelmanager_with_description_hash_and_duration_since_epoch(ChannelManager channelmanager, KeysInterface keys_manager, org.ldk.enums.Currency network, Option_u64Z amt_msat, Sha256 description_hash, long duration_since_epoch) {
+               long ret = bindings.create_invoice_from_channelmanager_with_description_hash_and_duration_since_epoch(channelmanager == null ? 0 : channelmanager.ptr & ~1, keys_manager == null ? 0 : keys_manager.ptr, network, amt_msat.ptr, description_hash == null ? 0 : description_hash.ptr & ~1, duration_since_epoch);
+               Reference.reachabilityFence(channelmanager);
+               Reference.reachabilityFence(keys_manager);
+               Reference.reachabilityFence(network);
+               Reference.reachabilityFence(amt_msat);
+               Reference.reachabilityFence(description_hash);
+               Reference.reachabilityFence(duration_since_epoch);
+               if (ret >= 0 && ret <= 4096) { return null; }
+               Result_InvoiceSignOrCreationErrorZ ret_hu_conv = Result_InvoiceSignOrCreationErrorZ.constr_from_ptr(ret);
+               ret_hu_conv.ptrs_to.add(channelmanager);
+               ret_hu_conv.ptrs_to.add(keys_manager);
+               return ret_hu_conv;
+       }
+
+       /**
+        * See [`create_invoice_from_channelmanager`]
+        * This version can be used in a `no_std` environment, where [`std::time::SystemTime`] is not
+        * available and the current time is supplied by the caller.
+        */
+       public static Result_InvoiceSignOrCreationErrorZ create_invoice_from_channelmanager_and_duration_since_epoch(ChannelManager channelmanager, KeysInterface keys_manager, org.ldk.enums.Currency network, Option_u64Z amt_msat, java.lang.String description, long duration_since_epoch) {
+               long ret = bindings.create_invoice_from_channelmanager_and_duration_since_epoch(channelmanager == null ? 0 : channelmanager.ptr & ~1, keys_manager == null ? 0 : keys_manager.ptr, network, amt_msat.ptr, description, duration_since_epoch);
+               Reference.reachabilityFence(channelmanager);
+               Reference.reachabilityFence(keys_manager);
+               Reference.reachabilityFence(network);
+               Reference.reachabilityFence(amt_msat);
+               Reference.reachabilityFence(description);
+               Reference.reachabilityFence(duration_since_epoch);
                if (ret >= 0 && ret <= 4096) { return null; }
                Result_InvoiceSignOrCreationErrorZ ret_hu_conv = Result_InvoiceSignOrCreationErrorZ.constr_from_ptr(ret);
                ret_hu_conv.ptrs_to.add(channelmanager);