_ Git - ldk-c-bindings/blob - lightning-c-bindings/src/lightning_invoice/utils.rs

   1 // This file is Copyright its original authors, visible in version control
   2 // history and in the source files from which this was generated.
   3 //
   4 // This file is licensed under the license available in the LICENSE or LICENSE.md
   5 // file in the root of this repository or, if no such file exists, the same
   6 // license as that which applies to the original source files from which this
   7 // source was automatically generated.
   8
   9 //! Convenient utilities to create an invoice.
  10
  11 use alloc::str::FromStr;
  12 use alloc::string::String;
  13 use core::ffi::c_void;
  14 use core::convert::Infallible;
  15 use bitcoin::hashes::Hash;
  16 use crate::c_types::*;
  17 #[cfg(feature="no-std")]
  18 use alloc::{vec::Vec, boxed::Box};
  19
  20 /// Utility to create an invoice that can be paid to one of multiple nodes, or a \"phantom invoice.\"
  21 /// See [`PhantomKeysManager`] for more information on phantom node payments.
  22 ///
  23 /// `phantom_route_hints` parameter:
  24 /// * Contains channel info for all nodes participating in the phantom invoice
  25 /// * Entries are retrieved from a call to [`ChannelManager::get_phantom_route_hints`] on each
  26 ///   participating node
  27 /// * It is fine to cache `phantom_route_hints` and reuse it across invoices, as long as the data is
  28 ///   updated when a channel becomes disabled or closes
  29 /// * Note that if too many channels are included in [`PhantomRouteHints::channels`], the invoice
  30 ///   may be too long for QR code scanning. To fix this, `PhantomRouteHints::channels` may be pared
  31 ///   down
  32 ///
  33 /// `payment_hash` can be specified if you have a specific need for a custom payment hash (see the difference
  34 /// between [`ChannelManager::create_inbound_payment`] and [`ChannelManager::create_inbound_payment_for_hash`]).
  35 /// If `None` is provided for `payment_hash`, then one will be created.
  36 ///
  37 /// `invoice_expiry_delta_secs` describes the number of seconds that the invoice is valid for
  38 /// in excess of the current time.
  39 ///
  40 /// `duration_since_epoch` is the current time since epoch in seconds.
  41 ///
  42 /// You can specify a custom `min_final_cltv_expiry_delta`, or let LDK default it to
  43 /// [`MIN_FINAL_CLTV_EXPIRY_DELTA`]. The provided expiry must be at least [`MIN_FINAL_CLTV_EXPIRY_DELTA`] - 3.
  44 /// Note that LDK will add a buffer of 3 blocks to the delta to allow for up to a few new block
  45 /// confirmations during routing.
  46 ///
  47 /// Note that the provided `keys_manager`'s `NodeSigner` implementation must support phantom
  48 /// invoices in its `sign_invoice` implementation ([`PhantomKeysManager`] satisfies this
  49 /// requirement).
  50 ///
  51 /// [`PhantomKeysManager`]: lightning::sign::PhantomKeysManager
  52 /// [`ChannelManager::get_phantom_route_hints`]: lightning::ln::channelmanager::ChannelManager::get_phantom_route_hints
  53 /// [`ChannelManager::create_inbound_payment`]: lightning::ln::channelmanager::ChannelManager::create_inbound_payment
  54 /// [`ChannelManager::create_inbound_payment_for_hash`]: lightning::ln::channelmanager::ChannelManager::create_inbound_payment_for_hash
  55 /// [`PhantomRouteHints::channels`]: lightning::ln::channelmanager::PhantomRouteHints::channels
  56 /// [`MIN_FINAL_CLTV_EXPIRY_DETLA`]: lightning::ln::channelmanager::MIN_FINAL_CLTV_EXPIRY_DELTA
  57 ///
  58 /// This can be used in a `no_std` environment, where [`std::time::SystemTime`] is not
  59 /// available and the current time is supplied by the caller.
  60 #[no_mangle]
  61 pub extern "C" fn create_phantom_invoice(mut amt_msat: crate::c_types::derived::COption_u64Z, mut payment_hash: crate::c_types::derived::COption_ThirtyTwoBytesZ, mut description: crate::c_types::Str, mut invoice_expiry_delta_secs: u32, mut phantom_route_hints: crate::c_types::derived::CVec_PhantomRouteHintsZ, mut entropy_source: crate::lightning::sign::EntropySource, mut node_signer: crate::lightning::sign::NodeSigner, mut logger: crate::lightning::util::logger::Logger, mut network: crate::lightning_invoice::Currency, mut min_final_cltv_expiry_delta: crate::c_types::derived::COption_u16Z, mut duration_since_epoch: u64) -> crate::c_types::derived::CResult_Bolt11InvoiceSignOrCreationErrorZ {
  62         let mut local_amt_msat = if amt_msat.is_some() { Some( { amt_msat.take() }) } else { None };
  63         let mut local_payment_hash = { /*payment_hash*/ let payment_hash_opt = payment_hash; if payment_hash_opt.is_none() { None } else { Some({ { ::lightning::ln::PaymentHash({ payment_hash_opt.take() }.data) }})} };
  64         let mut local_phantom_route_hints = Vec::new(); for mut item in phantom_route_hints.into_rust().drain(..) { local_phantom_route_hints.push( { *unsafe { Box::from_raw(item.take_inner()) } }); };
  65         let mut local_min_final_cltv_expiry_delta = if min_final_cltv_expiry_delta.is_some() { Some( { min_final_cltv_expiry_delta.take() }) } else { None };
  66         let mut ret = lightning_invoice::utils::create_phantom_invoice::<crate::lightning::sign::EntropySource, crate::lightning::sign::NodeSigner, crate::lightning::util::logger::Logger>(local_amt_msat, local_payment_hash, description.into_string(), invoice_expiry_delta_secs, local_phantom_route_hints, entropy_source, node_signer, logger, network.into_native(), local_min_final_cltv_expiry_delta, core::time::Duration::from_secs(duration_since_epoch));
  67         let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::lightning_invoice::Bolt11Invoice { inner: ObjOps::heap_alloc(o), is_owned: true } }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning_invoice::SignOrCreationError::native_into(e) }).into() };
  68         local_ret
  69 }
  70
  71 /// Utility to create an invoice that can be paid to one of multiple nodes, or a \"phantom invoice.\"
  72 /// See [`PhantomKeysManager`] for more information on phantom node payments.
  73 ///
  74 /// `phantom_route_hints` parameter:
  75 /// * Contains channel info for all nodes participating in the phantom invoice
  76 /// * Entries are retrieved from a call to [`ChannelManager::get_phantom_route_hints`] on each
  77 ///   participating node
  78 /// * It is fine to cache `phantom_route_hints` and reuse it across invoices, as long as the data is
  79 ///   updated when a channel becomes disabled or closes
  80 /// * Note that the route hints generated from `phantom_route_hints` will be limited to a maximum
  81 ///   of 3 hints to ensure that the invoice can be scanned in a QR code. These hints are selected
  82 ///   in the order that the nodes in `PhantomRouteHints` are specified, selecting one hint per node
  83 ///   until the maximum is hit. Callers may provide as many `PhantomRouteHints::channels` as
  84 ///   desired, but note that some nodes will be trimmed if more than 3 nodes are provided.
  85 ///
  86 /// `description_hash` is a SHA-256 hash of the description text
  87 ///
  88 /// `payment_hash` can be specified if you have a specific need for a custom payment hash (see the difference
  89 /// between [`ChannelManager::create_inbound_payment`] and [`ChannelManager::create_inbound_payment_for_hash`]).
  90 /// If `None` is provided for `payment_hash`, then one will be created.
  91 ///
  92 /// `invoice_expiry_delta_secs` describes the number of seconds that the invoice is valid for
  93 /// in excess of the current time.
  94 ///
  95 /// `duration_since_epoch` is the current time since epoch in seconds.
  96 ///
  97 /// Note that the provided `keys_manager`'s `NodeSigner` implementation must support phantom
  98 /// invoices in its `sign_invoice` implementation ([`PhantomKeysManager`] satisfies this
  99 /// requirement).
 100 ///
 101 /// [`PhantomKeysManager`]: lightning::sign::PhantomKeysManager
 102 /// [`ChannelManager::get_phantom_route_hints`]: lightning::ln::channelmanager::ChannelManager::get_phantom_route_hints
 103 /// [`ChannelManager::create_inbound_payment`]: lightning::ln::channelmanager::ChannelManager::create_inbound_payment
 104 /// [`ChannelManager::create_inbound_payment_for_hash`]: lightning::ln::channelmanager::ChannelManager::create_inbound_payment_for_hash
 105 /// [`PhantomRouteHints::channels`]: lightning::ln::channelmanager::PhantomRouteHints::channels
 106 ///
 107 /// This can be used in a `no_std` environment, where [`std::time::SystemTime`] is not
 108 /// available and the current time is supplied by the caller.
 109 #[no_mangle]
 110 pub extern "C" fn create_phantom_invoice_with_description_hash(mut amt_msat: crate::c_types::derived::COption_u64Z, mut payment_hash: crate::c_types::derived::COption_ThirtyTwoBytesZ, mut invoice_expiry_delta_secs: u32, mut description_hash: crate::lightning_invoice::Sha256, mut phantom_route_hints: crate::c_types::derived::CVec_PhantomRouteHintsZ, mut entropy_source: crate::lightning::sign::EntropySource, mut node_signer: crate::lightning::sign::NodeSigner, mut logger: crate::lightning::util::logger::Logger, mut network: crate::lightning_invoice::Currency, mut min_final_cltv_expiry_delta: crate::c_types::derived::COption_u16Z, mut duration_since_epoch: u64) -> crate::c_types::derived::CResult_Bolt11InvoiceSignOrCreationErrorZ {
 111         let mut local_amt_msat = if amt_msat.is_some() { Some( { amt_msat.take() }) } else { None };
 112         let mut local_payment_hash = { /*payment_hash*/ let payment_hash_opt = payment_hash; if payment_hash_opt.is_none() { None } else { Some({ { ::lightning::ln::PaymentHash({ payment_hash_opt.take() }.data) }})} };
 113         let mut local_phantom_route_hints = Vec::new(); for mut item in phantom_route_hints.into_rust().drain(..) { local_phantom_route_hints.push( { *unsafe { Box::from_raw(item.take_inner()) } }); };
 114         let mut local_min_final_cltv_expiry_delta = if min_final_cltv_expiry_delta.is_some() { Some( { min_final_cltv_expiry_delta.take() }) } else { None };
 115         let mut ret = lightning_invoice::utils::create_phantom_invoice_with_description_hash::<crate::lightning::sign::EntropySource, crate::lightning::sign::NodeSigner, crate::lightning::util::logger::Logger>(local_amt_msat, local_payment_hash, invoice_expiry_delta_secs, *unsafe { Box::from_raw(description_hash.take_inner()) }, local_phantom_route_hints, entropy_source, node_signer, logger, network.into_native(), local_min_final_cltv_expiry_delta, core::time::Duration::from_secs(duration_since_epoch));
 116         let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::lightning_invoice::Bolt11Invoice { inner: ObjOps::heap_alloc(o), is_owned: true } }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning_invoice::SignOrCreationError::native_into(e) }).into() };
 117         local_ret
 118 }
 119
 120 /// Utility to construct an invoice. Generally, unless you want to do something like a custom
 121 /// cltv_expiry, this is what you should be using to create an invoice. The reason being, this
 122 /// method stores the invoice's payment secret and preimage in `ChannelManager`, so (a) the user
 123 /// doesn't have to store preimage/payment secret information and (b) `ChannelManager` can verify
 124 /// that the payment secret is valid when the invoice is paid.
 125 ///
 126 /// `invoice_expiry_delta_secs` describes the number of seconds that the invoice is valid for
 127 /// in excess of the current time.
 128 ///
 129 /// You can specify a custom `min_final_cltv_expiry_delta`, or let LDK default it to
 130 /// [`MIN_FINAL_CLTV_EXPIRY_DELTA`]. The provided expiry must be at least [`MIN_FINAL_CLTV_EXPIRY_DELTA`].
 131 /// Note that LDK will add a buffer of 3 blocks to the delta to allow for up to a few new block
 132 /// confirmations during routing.
 133 ///
 134 /// [`MIN_FINAL_CLTV_EXPIRY_DETLA`]: lightning::ln::channelmanager::MIN_FINAL_CLTV_EXPIRY_DELTA
 135 #[no_mangle]
 136 pub extern "C" fn create_invoice_from_channelmanager(channelmanager: &crate::lightning::ln::channelmanager::ChannelManager, mut node_signer: crate::lightning::sign::NodeSigner, mut logger: crate::lightning::util::logger::Logger, mut network: crate::lightning_invoice::Currency, mut amt_msat: crate::c_types::derived::COption_u64Z, mut description: crate::c_types::Str, mut invoice_expiry_delta_secs: u32, mut min_final_cltv_expiry_delta: crate::c_types::derived::COption_u16Z) -> crate::c_types::derived::CResult_Bolt11InvoiceSignOrCreationErrorZ {
 137         let mut local_amt_msat = if amt_msat.is_some() { Some( { amt_msat.take() }) } else { None };
 138         let mut local_min_final_cltv_expiry_delta = if min_final_cltv_expiry_delta.is_some() { Some( { min_final_cltv_expiry_delta.take() }) } else { None };
 139         let mut ret = lightning_invoice::utils::create_invoice_from_channelmanager::<crate::lightning::chain::Watch, crate::lightning::chain::chaininterface::BroadcasterInterface, crate::lightning::sign::EntropySource, crate::lightning::sign::NodeSigner, crate::lightning::sign::SignerProvider, crate::lightning::chain::chaininterface::FeeEstimator, crate::lightning::routing::router::Router, crate::lightning::util::logger::Logger>(channelmanager.get_native_ref(), node_signer, logger, network.into_native(), local_amt_msat, description.into_string(), invoice_expiry_delta_secs, local_min_final_cltv_expiry_delta);
 140         let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::lightning_invoice::Bolt11Invoice { inner: ObjOps::heap_alloc(o), is_owned: true } }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning_invoice::SignOrCreationError::native_into(e) }).into() };
 141         local_ret
 142 }
 143
 144 /// Utility to construct an invoice. Generally, unless you want to do something like a custom
 145 /// cltv_expiry, this is what you should be using to create an invoice. The reason being, this
 146 /// method stores the invoice's payment secret and preimage in `ChannelManager`, so (a) the user
 147 /// doesn't have to store preimage/payment secret information and (b) `ChannelManager` can verify
 148 /// that the payment secret is valid when the invoice is paid.
 149 /// Use this variant if you want to pass the `description_hash` to the invoice.
 150 ///
 151 /// `invoice_expiry_delta_secs` describes the number of seconds that the invoice is valid for
 152 /// in excess of the current time.
 153 ///
 154 /// You can specify a custom `min_final_cltv_expiry_delta`, or let LDK default it to
 155 /// [`MIN_FINAL_CLTV_EXPIRY_DELTA`]. The provided expiry must be at least [`MIN_FINAL_CLTV_EXPIRY_DELTA`].
 156 /// Note that LDK will add a buffer of 3 blocks to the delta to allow for up to a few new block
 157 /// confirmations during routing.
 158 ///
 159 /// [`MIN_FINAL_CLTV_EXPIRY_DETLA`]: lightning::ln::channelmanager::MIN_FINAL_CLTV_EXPIRY_DELTA
 160 #[no_mangle]
 161 pub extern "C" fn create_invoice_from_channelmanager_with_description_hash(channelmanager: &crate::lightning::ln::channelmanager::ChannelManager, mut node_signer: crate::lightning::sign::NodeSigner, mut logger: crate::lightning::util::logger::Logger, mut network: crate::lightning_invoice::Currency, mut amt_msat: crate::c_types::derived::COption_u64Z, mut description_hash: crate::lightning_invoice::Sha256, mut invoice_expiry_delta_secs: u32, mut min_final_cltv_expiry_delta: crate::c_types::derived::COption_u16Z) -> crate::c_types::derived::CResult_Bolt11InvoiceSignOrCreationErrorZ {
 162         let mut local_amt_msat = if amt_msat.is_some() { Some( { amt_msat.take() }) } else { None };
 163         let mut local_min_final_cltv_expiry_delta = if min_final_cltv_expiry_delta.is_some() { Some( { min_final_cltv_expiry_delta.take() }) } else { None };
 164         let mut ret = lightning_invoice::utils::create_invoice_from_channelmanager_with_description_hash::<crate::lightning::chain::Watch, crate::lightning::chain::chaininterface::BroadcasterInterface, crate::lightning::sign::EntropySource, crate::lightning::sign::NodeSigner, crate::lightning::sign::SignerProvider, crate::lightning::chain::chaininterface::FeeEstimator, crate::lightning::routing::router::Router, crate::lightning::util::logger::Logger>(channelmanager.get_native_ref(), node_signer, logger, network.into_native(), local_amt_msat, *unsafe { Box::from_raw(description_hash.take_inner()) }, invoice_expiry_delta_secs, local_min_final_cltv_expiry_delta);
 165         let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::lightning_invoice::Bolt11Invoice { inner: ObjOps::heap_alloc(o), is_owned: true } }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning_invoice::SignOrCreationError::native_into(e) }).into() };
 166         local_ret
 167 }
 168
 169 /// See [`create_invoice_from_channelmanager_with_description_hash`]
 170 /// This version can be used in a `no_std` environment, where [`std::time::SystemTime`] is not
 171 /// available and the current time is supplied by the caller.
 172 #[no_mangle]
 173 pub extern "C" fn create_invoice_from_channelmanager_with_description_hash_and_duration_since_epoch(channelmanager: &crate::lightning::ln::channelmanager::ChannelManager, mut node_signer: crate::lightning::sign::NodeSigner, mut logger: crate::lightning::util::logger::Logger, mut network: crate::lightning_invoice::Currency, mut amt_msat: crate::c_types::derived::COption_u64Z, mut description_hash: crate::lightning_invoice::Sha256, mut duration_since_epoch: u64, mut invoice_expiry_delta_secs: u32, mut min_final_cltv_expiry_delta: crate::c_types::derived::COption_u16Z) -> crate::c_types::derived::CResult_Bolt11InvoiceSignOrCreationErrorZ {
 174         let mut local_amt_msat = if amt_msat.is_some() { Some( { amt_msat.take() }) } else { None };
 175         let mut local_min_final_cltv_expiry_delta = if min_final_cltv_expiry_delta.is_some() { Some( { min_final_cltv_expiry_delta.take() }) } else { None };
 176         let mut ret = lightning_invoice::utils::create_invoice_from_channelmanager_with_description_hash_and_duration_since_epoch::<crate::lightning::chain::Watch, crate::lightning::chain::chaininterface::BroadcasterInterface, crate::lightning::sign::EntropySource, crate::lightning::sign::NodeSigner, crate::lightning::sign::SignerProvider, crate::lightning::chain::chaininterface::FeeEstimator, crate::lightning::routing::router::Router, crate::lightning::util::logger::Logger>(channelmanager.get_native_ref(), node_signer, logger, network.into_native(), local_amt_msat, *unsafe { Box::from_raw(description_hash.take_inner()) }, core::time::Duration::from_secs(duration_since_epoch), invoice_expiry_delta_secs, local_min_final_cltv_expiry_delta);
 177         let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::lightning_invoice::Bolt11Invoice { inner: ObjOps::heap_alloc(o), is_owned: true } }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning_invoice::SignOrCreationError::native_into(e) }).into() };
 178         local_ret
 179 }
 180
 181 /// See [`create_invoice_from_channelmanager`]
 182 /// This version can be used in a `no_std` environment, where [`std::time::SystemTime`] is not
 183 /// available and the current time is supplied by the caller.
 184 #[no_mangle]
 185 pub extern "C" fn create_invoice_from_channelmanager_and_duration_since_epoch(channelmanager: &crate::lightning::ln::channelmanager::ChannelManager, mut node_signer: crate::lightning::sign::NodeSigner, mut logger: crate::lightning::util::logger::Logger, mut network: crate::lightning_invoice::Currency, mut amt_msat: crate::c_types::derived::COption_u64Z, mut description: crate::c_types::Str, mut duration_since_epoch: u64, mut invoice_expiry_delta_secs: u32, mut min_final_cltv_expiry_delta: crate::c_types::derived::COption_u16Z) -> crate::c_types::derived::CResult_Bolt11InvoiceSignOrCreationErrorZ {
 186         let mut local_amt_msat = if amt_msat.is_some() { Some( { amt_msat.take() }) } else { None };
 187         let mut local_min_final_cltv_expiry_delta = if min_final_cltv_expiry_delta.is_some() { Some( { min_final_cltv_expiry_delta.take() }) } else { None };
 188         let mut ret = lightning_invoice::utils::create_invoice_from_channelmanager_and_duration_since_epoch::<crate::lightning::chain::Watch, crate::lightning::chain::chaininterface::BroadcasterInterface, crate::lightning::sign::EntropySource, crate::lightning::sign::NodeSigner, crate::lightning::sign::SignerProvider, crate::lightning::chain::chaininterface::FeeEstimator, crate::lightning::routing::router::Router, crate::lightning::util::logger::Logger>(channelmanager.get_native_ref(), node_signer, logger, network.into_native(), local_amt_msat, description.into_string(), core::time::Duration::from_secs(duration_since_epoch), invoice_expiry_delta_secs, local_min_final_cltv_expiry_delta);
 189         let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::lightning_invoice::Bolt11Invoice { inner: ObjOps::heap_alloc(o), is_owned: true } }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning_invoice::SignOrCreationError::native_into(e) }).into() };
 190         local_ret
 191 }
 192
 193 /// See [`create_invoice_from_channelmanager_and_duration_since_epoch`]
 194 /// This version allows for providing a custom [`PaymentHash`] for the invoice.
 195 /// This may be useful if you're building an on-chain swap or involving another protocol where
 196 /// the payment hash is also involved outside the scope of lightning.
 197 #[no_mangle]
 198 pub extern "C" fn create_invoice_from_channelmanager_and_duration_since_epoch_with_payment_hash(channelmanager: &crate::lightning::ln::channelmanager::ChannelManager, mut node_signer: crate::lightning::sign::NodeSigner, mut logger: crate::lightning::util::logger::Logger, mut network: crate::lightning_invoice::Currency, mut amt_msat: crate::c_types::derived::COption_u64Z, mut description: crate::c_types::Str, mut duration_since_epoch: u64, mut invoice_expiry_delta_secs: u32, mut payment_hash: crate::c_types::ThirtyTwoBytes, mut min_final_cltv_expiry_delta: crate::c_types::derived::COption_u16Z) -> crate::c_types::derived::CResult_Bolt11InvoiceSignOrCreationErrorZ {
 199         let mut local_amt_msat = if amt_msat.is_some() { Some( { amt_msat.take() }) } else { None };
 200         let mut local_min_final_cltv_expiry_delta = if min_final_cltv_expiry_delta.is_some() { Some( { min_final_cltv_expiry_delta.take() }) } else { None };
 201         let mut ret = lightning_invoice::utils::create_invoice_from_channelmanager_and_duration_since_epoch_with_payment_hash::<crate::lightning::chain::Watch, crate::lightning::chain::chaininterface::BroadcasterInterface, crate::lightning::sign::EntropySource, crate::lightning::sign::NodeSigner, crate::lightning::sign::SignerProvider, crate::lightning::chain::chaininterface::FeeEstimator, crate::lightning::routing::router::Router, crate::lightning::util::logger::Logger>(channelmanager.get_native_ref(), node_signer, logger, network.into_native(), local_amt_msat, description.into_string(), core::time::Duration::from_secs(duration_since_epoch), invoice_expiry_delta_secs, ::lightning::ln::PaymentHash(payment_hash.data), local_min_final_cltv_expiry_delta);
 202         let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::lightning_invoice::Bolt11Invoice { inner: ObjOps::heap_alloc(o), is_owned: true } }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning_invoice::SignOrCreationError::native_into(e) }).into() };
 203         local_ret
 204 }
 205