_ 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 core::ffi::c_void;
  13 use core::convert::Infallible;
  14 use bitcoin::hashes::Hash;
  15 use crate::c_types::*;
  16 #[cfg(feature="no-std")]
  17 use alloc::{vec::Vec, boxed::Box};
  18
  19 /// Utility to create an invoice that can be paid to one of multiple nodes, or a \"phantom invoice.\"
  20 /// See [`PhantomKeysManager`] for more information on phantom node payments.
  21 ///
  22 /// `phantom_route_hints` parameter:
  23 /// * Contains channel info for all nodes participating in the phantom invoice
  24 /// * Entries are retrieved from a call to [`ChannelManager::get_phantom_route_hints`] on each
  25 ///   participating node
  26 /// * It is fine to cache `phantom_route_hints` and reuse it across invoices, as long as the data is
  27 ///   updated when a channel becomes disabled or closes
  28 /// * Note that if too many channels are included in [`PhantomRouteHints::channels`], the invoice
  29 ///   may be too long for QR code scanning. To fix this, `PhantomRouteHints::channels` may be pared
  30 ///   down
  31 ///
  32 /// `payment_hash` can be specified if you have a specific need for a custom payment hash (see the difference
  33 /// between [`ChannelManager::create_inbound_payment`] and [`ChannelManager::create_inbound_payment_for_hash`]).
  34 /// If `None` is provided for `payment_hash`, then one will be created.
  35 ///
  36 /// `invoice_expiry_delta_secs` describes the number of seconds that the invoice is valid for
  37 /// in excess of the current time.
  38 ///
  39 /// `duration_since_epoch` is the current time since epoch in seconds.
  40 ///
  41 /// You can specify a custom `min_final_cltv_expiry_delta`, or let LDK default it to
  42 /// [`MIN_FINAL_CLTV_EXPIRY_DELTA`]. The provided expiry must be at least [`MIN_FINAL_CLTV_EXPIRY_DELTA`] - 3.
  43 /// Note that LDK will add a buffer of 3 blocks to the delta to allow for up to a few new block
  44 /// confirmations during routing.
  45 ///
  46 /// Note that the provided `keys_manager`'s `NodeSigner` implementation must support phantom
  47 /// invoices in its `sign_invoice` implementation ([`PhantomKeysManager`] satisfies this
  48 /// requirement).
  49 ///
  50 /// [`PhantomKeysManager`]: lightning::chain::keysinterface::PhantomKeysManager
  51 /// [`ChannelManager::get_phantom_route_hints`]: lightning::ln::channelmanager::ChannelManager::get_phantom_route_hints
  52 /// [`ChannelManager::create_inbound_payment`]: lightning::ln::channelmanager::ChannelManager::create_inbound_payment
  53 /// [`ChannelManager::create_inbound_payment_for_hash`]: lightning::ln::channelmanager::ChannelManager::create_inbound_payment_for_hash
  54 /// [`PhantomRouteHints::channels`]: lightning::ln::channelmanager::PhantomRouteHints::channels
  55 /// [`MIN_FINAL_CLTV_EXPIRY_DETLA`]: lightning::ln::channelmanager::MIN_FINAL_CLTV_EXPIRY_DELTA
  56 ///
  57 /// This can be used in a `no_std` environment, where [`std::time::SystemTime`] is not
  58 /// available and the current time is supplied by the caller.
  59 ///
  60 /// Note that payment_hash (or a relevant inner pointer) may be NULL or all-0s to represent None
  61 #[no_mangle]
  62 pub extern "C" fn create_phantom_invoice(mut amt_msat: crate::c_types::derived::COption_u64Z, mut payment_hash: crate::c_types::ThirtyTwoBytes, 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::chain::keysinterface::EntropySource, mut node_signer: crate::lightning::chain::keysinterface::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_InvoiceSignOrCreationErrorZ {
  63         let mut local_amt_msat = if amt_msat.is_some() { Some( { amt_msat.take() }) } else { None };
  64         let mut local_payment_hash = if payment_hash.data == [0; 32] { None } else { Some( { ::lightning::ln::PaymentHash(payment_hash.data) }) };
  65         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()) } }); };
  66         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 };
  67         let mut ret = lightning_invoice::utils::create_phantom_invoice::<crate::lightning::chain::keysinterface::EntropySource, crate::lightning::chain::keysinterface::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));
  68         let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::lightning_invoice::Invoice { 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() };
  69         local_ret
  70 }
  71
  72 /// Utility to create an invoice that can be paid to one of multiple nodes, or a \"phantom invoice.\"
  73 /// See [`PhantomKeysManager`] for more information on phantom node payments.
  74 ///
  75 /// `phantom_route_hints` parameter:
  76 /// * Contains channel info for all nodes participating in the phantom invoice
  77 /// * Entries are retrieved from a call to [`ChannelManager::get_phantom_route_hints`] on each
  78 ///   participating node
  79 /// * It is fine to cache `phantom_route_hints` and reuse it across invoices, as long as the data is
  80 ///   updated when a channel becomes disabled or closes
  81 /// * Note that if too many channels are included in [`PhantomRouteHints::channels`], the invoice
  82 ///   may be too long for QR code scanning. To fix this, `PhantomRouteHints::channels` may be pared
  83 ///   down
  84 ///
  85 /// `description_hash` is a SHA-256 hash of the description text
  86 ///
  87 /// `payment_hash` can be specified if you have a specific need for a custom payment hash (see the difference
  88 /// between [`ChannelManager::create_inbound_payment`] and [`ChannelManager::create_inbound_payment_for_hash`]).
  89 /// If `None` is provided for `payment_hash`, then one will be created.
  90 ///
  91 /// `invoice_expiry_delta_secs` describes the number of seconds that the invoice is valid for
  92 /// in excess of the current time.
  93 ///
  94 /// `duration_since_epoch` is the current time since epoch in seconds.
  95 ///
  96 /// Note that the provided `keys_manager`'s `NodeSigner` implementation must support phantom
  97 /// invoices in its `sign_invoice` implementation ([`PhantomKeysManager`] satisfies this
  98 /// requirement).
  99 ///
 100 /// [`PhantomKeysManager`]: lightning::chain::keysinterface::PhantomKeysManager
 101 /// [`ChannelManager::get_phantom_route_hints`]: lightning::ln::channelmanager::ChannelManager::get_phantom_route_hints
 102 /// [`ChannelManager::create_inbound_payment`]: lightning::ln::channelmanager::ChannelManager::create_inbound_payment
 103 /// [`ChannelManager::create_inbound_payment_for_hash`]: lightning::ln::channelmanager::ChannelManager::create_inbound_payment_for_hash
 104 /// [`PhantomRouteHints::channels`]: lightning::ln::channelmanager::PhantomRouteHints::channels
 105 ///
 106 /// This can be used in a `no_std` environment, where [`std::time::SystemTime`] is not
 107 /// available and the current time is supplied by the caller.
 108 ///
 109 /// Note that payment_hash (or a relevant inner pointer) may be NULL or all-0s to represent None
 110 #[no_mangle]
 111 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::ThirtyTwoBytes, 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::chain::keysinterface::EntropySource, mut node_signer: crate::lightning::chain::keysinterface::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_InvoiceSignOrCreationErrorZ {
 112         let mut local_amt_msat = if amt_msat.is_some() { Some( { amt_msat.take() }) } else { None };
 113         let mut local_payment_hash = if payment_hash.data == [0; 32] { None } else { Some( { ::lightning::ln::PaymentHash(payment_hash.data) }) };
 114         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()) } }); };
 115         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 };
 116         let mut ret = lightning_invoice::utils::create_phantom_invoice_with_description_hash::<crate::lightning::chain::keysinterface::EntropySource, crate::lightning::chain::keysinterface::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));
 117         let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::lightning_invoice::Invoice { 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() };
 118         local_ret
 119 }
 120
 121 /// Utility to construct an invoice. Generally, unless you want to do something like a custom
 122 /// cltv_expiry, this is what you should be using to create an invoice. The reason being, this
 123 /// method stores the invoice's payment secret and preimage in `ChannelManager`, so (a) the user
 124 /// doesn't have to store preimage/payment secret information and (b) `ChannelManager` can verify
 125 /// that the payment secret is valid when the invoice is paid.
 126 ///
 127 /// `invoice_expiry_delta_secs` describes the number of seconds that the invoice is valid for
 128 /// in excess of the current time.
 129 ///
 130 /// You can specify a custom `min_final_cltv_expiry_delta`, or let LDK default it to
 131 /// [`MIN_FINAL_CLTV_EXPIRY_DELTA`]. The provided expiry must be at least [`MIN_FINAL_CLTV_EXPIRY_DELTA`].
 132 /// Note that LDK will add a buffer of 3 blocks to the delta to allow for up to a few new block
 133 /// confirmations during routing.
 134 ///
 135 /// [`MIN_FINAL_CLTV_EXPIRY_DETLA`]: lightning::ln::channelmanager::MIN_FINAL_CLTV_EXPIRY_DELTA
 136 #[no_mangle]
 137 pub extern "C" fn create_invoice_from_channelmanager(channelmanager: &crate::lightning::ln::channelmanager::ChannelManager, mut node_signer: crate::lightning::chain::keysinterface::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_InvoiceSignOrCreationErrorZ {
 138         let mut local_amt_msat = if amt_msat.is_some() { Some( { amt_msat.take() }) } else { None };
 139         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 };
 140         let mut ret = lightning_invoice::utils::create_invoice_from_channelmanager::<crate::lightning::chain::Watch, crate::lightning::chain::chaininterface::BroadcasterInterface, crate::lightning::chain::keysinterface::EntropySource, crate::lightning::chain::keysinterface::NodeSigner, crate::lightning::chain::keysinterface::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);
 141         let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::lightning_invoice::Invoice { 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() };
 142         local_ret
 143 }
 144
 145 /// Utility to construct an invoice. Generally, unless you want to do something like a custom
 146 /// cltv_expiry, this is what you should be using to create an invoice. The reason being, this
 147 /// method stores the invoice's payment secret and preimage in `ChannelManager`, so (a) the user
 148 /// doesn't have to store preimage/payment secret information and (b) `ChannelManager` can verify
 149 /// that the payment secret is valid when the invoice is paid.
 150 /// Use this variant if you want to pass the `description_hash` to the invoice.
 151 ///
 152 /// `invoice_expiry_delta_secs` describes the number of seconds that the invoice is valid for
 153 /// in excess of the current time.
 154 ///
 155 /// You can specify a custom `min_final_cltv_expiry_delta`, or let LDK default it to
 156 /// [`MIN_FINAL_CLTV_EXPIRY_DELTA`]. The provided expiry must be at least [`MIN_FINAL_CLTV_EXPIRY_DELTA`].
 157 /// Note that LDK will add a buffer of 3 blocks to the delta to allow for up to a few new block
 158 /// confirmations during routing.
 159 ///
 160 /// [`MIN_FINAL_CLTV_EXPIRY_DETLA`]: lightning::ln::channelmanager::MIN_FINAL_CLTV_EXPIRY_DELTA
 161 #[no_mangle]
 162 pub extern "C" fn create_invoice_from_channelmanager_with_description_hash(channelmanager: &crate::lightning::ln::channelmanager::ChannelManager, mut node_signer: crate::lightning::chain::keysinterface::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_InvoiceSignOrCreationErrorZ {
 163         let mut local_amt_msat = if amt_msat.is_some() { Some( { amt_msat.take() }) } else { None };
 164         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 };
 165         let mut ret = lightning_invoice::utils::create_invoice_from_channelmanager_with_description_hash::<crate::lightning::chain::Watch, crate::lightning::chain::chaininterface::BroadcasterInterface, crate::lightning::chain::keysinterface::EntropySource, crate::lightning::chain::keysinterface::NodeSigner, crate::lightning::chain::keysinterface::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);
 166         let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::lightning_invoice::Invoice { 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() };
 167         local_ret
 168 }
 169
 170 /// See [`create_invoice_from_channelmanager_with_description_hash`]
 171 /// This version can be used in a `no_std` environment, where [`std::time::SystemTime`] is not
 172 /// available and the current time is supplied by the caller.
 173 #[no_mangle]
 174 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::chain::keysinterface::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_InvoiceSignOrCreationErrorZ {
 175         let mut local_amt_msat = if amt_msat.is_some() { Some( { amt_msat.take() }) } else { None };
 176         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 };
 177         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::chain::keysinterface::EntropySource, crate::lightning::chain::keysinterface::NodeSigner, crate::lightning::chain::keysinterface::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);
 178         let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::lightning_invoice::Invoice { 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() };
 179         local_ret
 180 }
 181
 182 /// See [`create_invoice_from_channelmanager`]
 183 /// This version can be used in a `no_std` environment, where [`std::time::SystemTime`] is not
 184 /// available and the current time is supplied by the caller.
 185 #[no_mangle]
 186 pub extern "C" fn create_invoice_from_channelmanager_and_duration_since_epoch(channelmanager: &crate::lightning::ln::channelmanager::ChannelManager, mut node_signer: crate::lightning::chain::keysinterface::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_InvoiceSignOrCreationErrorZ {
 187         let mut local_amt_msat = if amt_msat.is_some() { Some( { amt_msat.take() }) } else { None };
 188         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 };
 189         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::chain::keysinterface::EntropySource, crate::lightning::chain::keysinterface::NodeSigner, crate::lightning::chain::keysinterface::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);
 190         let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::lightning_invoice::Invoice { 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() };
 191         local_ret
 192 }
 193
 194 /// See [`create_invoice_from_channelmanager_and_duration_since_epoch`]
 195 /// This version allows for providing a custom [`PaymentHash`] for the invoice.
 196 /// This may be useful if you're building an on-chain swap or involving another protocol where
 197 /// the payment hash is also involved outside the scope of lightning.
 198 #[no_mangle]
 199 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::chain::keysinterface::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_InvoiceSignOrCreationErrorZ {
 200         let mut local_amt_msat = if amt_msat.is_some() { Some( { amt_msat.take() }) } else { None };
 201         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 };
 202         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::chain::keysinterface::EntropySource, crate::lightning::chain::keysinterface::NodeSigner, crate::lightning::chain::keysinterface::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);
 203         let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::lightning_invoice::Invoice { 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() };
 204         local_ret
 205 }
 206