//! let pubkey = PublicKey::from(keys);
//! let mut buffer = Vec::new();
//!
+//! # use lightning::offers::invoice_request::{ExplicitPayerId, InvoiceRequestBuilder};
+//! # <InvoiceRequestBuilder<ExplicitPayerId, _>>::from(
//! "lno1qcp4256ypq"
//! .parse::<Offer>()?
//! .request_invoice(vec![42; 64], pubkey)?
+//! # )
//! .chain(Network::Testnet)?
//! .amount_msats(1000)?
//! .quantity(5)?
secp_ctx: Option<&'b Secp256k1<T>>,
}
+/// Builds an [`InvoiceRequest`] from an [`Offer`] for the "offer to be paid" flow.
+///
+/// See [module-level documentation] for usage.
+///
+/// [module-level documentation]: self
+#[cfg(c_bindings)]
+pub struct InvoiceRequestWithExplicitPayerIdBuilder<'a, 'b> {
+ offer: &'a Offer,
+ invoice_request: InvoiceRequestContentsWithoutPayerId,
+ payer_id: Option<PublicKey>,
+ payer_id_strategy: core::marker::PhantomData<ExplicitPayerId>,
+ secp_ctx: Option<&'b Secp256k1<secp256k1::All>>,
+}
+
+/// Builds an [`InvoiceRequest`] from an [`Offer`] for the "offer to be paid" flow.
+///
+/// See [module-level documentation] for usage.
+///
+/// [module-level documentation]: self
+#[cfg(c_bindings)]
+pub struct InvoiceRequestWithDerivedPayerIdBuilder<'a, 'b> {
+ offer: &'a Offer,
+ invoice_request: InvoiceRequestContentsWithoutPayerId,
+ payer_id: Option<PublicKey>,
+ payer_id_strategy: core::marker::PhantomData<DerivedPayerId>,
+ secp_ctx: Option<&'b Secp256k1<secp256k1::All>>,
+}
+
/// Indicates how [`InvoiceRequest::payer_id`] will be set.
///
/// This is not exported to bindings users as builder patterns don't map outside of move semantics.
impl PayerIdStrategy for DerivedPayerId {}
macro_rules! invoice_request_explicit_payer_id_builder_methods { ($self: ident, $self_type: ty) => {
+ #[cfg_attr(c_bindings, allow(dead_code))]
pub(super) fn new(offer: &'a Offer, metadata: Vec<u8>, payer_id: PublicKey) -> Self {
Self {
offer,
}
}
+ #[cfg_attr(c_bindings, allow(dead_code))]
pub(super) fn deriving_metadata<ES: Deref>(
offer: &'a Offer, payer_id: PublicKey, expanded_key: &ExpandedKey, entropy_source: ES,
payment_id: PaymentId,
}
} }
-macro_rules! invoice_request_derived_payer_id_builder_methods { ($self: ident, $self_type: ty) => {
+macro_rules! invoice_request_derived_payer_id_builder_methods { (
+ $self: ident, $self_type: ty, $secp_context: ty
+) => {
+ #[cfg_attr(c_bindings, allow(dead_code))]
pub(super) fn deriving_payer_id<ES: Deref>(
offer: &'a Offer, expanded_key: &ExpandedKey, entropy_source: ES,
- secp_ctx: &'b Secp256k1<T>, payment_id: PaymentId
+ secp_ctx: &'b Secp256k1<$secp_context>, payment_id: PaymentId
) -> Self where ES::Target: EntropySource {
let nonce = Nonce::from_entropy_source(entropy_source);
let payment_id = Some(payment_id);
/// Builds a signed [`InvoiceRequest`] after checking for valid semantics.
pub fn build_and_sign($self: $self_type) -> Result<InvoiceRequest, Bolt12SemanticError> {
let (unsigned_invoice_request, keys, secp_ctx) = $self.build_with_checks()?;
+ #[cfg(c_bindings)]
+ let mut unsigned_invoice_request = unsigned_invoice_request;
debug_assert!(keys.is_some());
let secp_ctx = secp_ctx.unwrap();
} }
macro_rules! invoice_request_builder_methods { (
- $self: ident, $self_type: ty, $return_type: ty, $return_value: expr
+ $self: ident, $self_type: ty, $return_type: ty, $return_value: expr, $secp_context: ty $(, $self_mut: tt)?
) => {
+ #[cfg_attr(c_bindings, allow(dead_code))]
fn create_contents(offer: &Offer, metadata: Metadata) -> InvoiceRequestContentsWithoutPayerId {
let offer = offer.contents.clone();
InvoiceRequestContentsWithoutPayerId {
/// offer.
///
/// Successive calls to this method will override the previous setting.
- pub(crate) fn chain_hash(mut $self: $self_type, chain: ChainHash) -> Result<$return_type, Bolt12SemanticError> {
+ pub(crate) fn chain_hash($($self_mut)* $self: $self_type, chain: ChainHash) -> Result<$return_type, Bolt12SemanticError> {
if !$self.offer.supports_chain(chain) {
return Err(Bolt12SemanticError::UnsupportedChain);
}
/// Successive calls to this method will override the previous setting.
///
/// [`quantity`]: Self::quantity
- pub fn amount_msats(mut $self: $self_type, amount_msats: u64) -> Result<$return_type, Bolt12SemanticError> {
+ pub fn amount_msats($($self_mut)* $self: $self_type, amount_msats: u64) -> Result<$return_type, Bolt12SemanticError> {
$self.invoice_request.offer.check_amount_msats_for_quantity(
Some(amount_msats), $self.invoice_request.quantity
)?;
/// does not conform to [`Offer::is_valid_quantity`].
///
/// Successive calls to this method will override the previous setting.
- pub fn quantity(mut $self: $self_type, quantity: u64) -> Result<$return_type, Bolt12SemanticError> {
+ pub fn quantity($($self_mut)* $self: $self_type, quantity: u64) -> Result<$return_type, Bolt12SemanticError> {
$self.invoice_request.offer.check_quantity(Some(quantity))?;
$self.invoice_request.quantity = Some(quantity);
Ok($return_value)
/// Sets the [`InvoiceRequest::payer_note`].
///
/// Successive calls to this method will override the previous setting.
- pub fn payer_note(mut $self: $self_type, payer_note: String) -> $return_type {
+ pub fn payer_note($($self_mut)* $self: $self_type, payer_note: String) -> $return_type {
$self.invoice_request.payer_note = Some(payer_note);
$return_value
}
- fn build_with_checks(mut $self: $self_type) -> Result<
- (UnsignedInvoiceRequest, Option<KeyPair>, Option<&'b Secp256k1<T>>),
+ fn build_with_checks($($self_mut)* $self: $self_type) -> Result<
+ (UnsignedInvoiceRequest, Option<KeyPair>, Option<&'b Secp256k1<$secp_context>>),
Bolt12SemanticError
> {
#[cfg(feature = "std")] {
Ok($self.build_without_checks())
}
- fn build_without_checks(mut $self: $self_type) ->
- (UnsignedInvoiceRequest, Option<KeyPair>, Option<&'b Secp256k1<T>>)
+ fn build_without_checks($($self_mut)* $self: $self_type) ->
+ (UnsignedInvoiceRequest, Option<KeyPair>, Option<&'b Secp256k1<$secp_context>>)
{
// Create the metadata for stateless verification of a Bolt12Invoice.
let mut keys = None;
let payer_id = $self.payer_id.unwrap();
let invoice_request = InvoiceRequestContents {
+ #[cfg(not(c_bindings))]
inner: $self.invoice_request,
+ #[cfg(c_bindings)]
+ inner: $self.invoice_request.clone(),
payer_id,
};
let unsigned_invoice_request = UnsignedInvoiceRequest::new($self.offer, invoice_request);
#[cfg(test)]
macro_rules! invoice_request_builder_test_methods { (
- $self: ident, $self_type: ty, $return_type: ty, $return_value: expr
+ $self: ident, $self_type: ty, $return_type: ty, $return_value: expr $(, $self_mut: tt)?
) => {
- fn chain_unchecked(mut $self: $self_type, network: Network) -> $return_type {
+ #[cfg_attr(c_bindings, allow(dead_code))]
+ fn chain_unchecked($($self_mut)* $self: $self_type, network: Network) -> $return_type {
let chain = ChainHash::using_genesis_block(network);
$self.invoice_request.chain = Some(chain);
$return_value
}
- fn amount_msats_unchecked(mut $self: $self_type, amount_msats: u64) -> $return_type {
+ #[cfg_attr(c_bindings, allow(dead_code))]
+ fn amount_msats_unchecked($($self_mut)* $self: $self_type, amount_msats: u64) -> $return_type {
$self.invoice_request.amount_msats = Some(amount_msats);
$return_value
}
- fn features_unchecked(mut $self: $self_type, features: InvoiceRequestFeatures) -> $return_type {
+ #[cfg_attr(c_bindings, allow(dead_code))]
+ fn features_unchecked($($self_mut)* $self: $self_type, features: InvoiceRequestFeatures) -> $return_type {
$self.invoice_request.features = features;
$return_value
}
- fn quantity_unchecked(mut $self: $self_type, quantity: u64) -> $return_type {
+ #[cfg_attr(c_bindings, allow(dead_code))]
+ fn quantity_unchecked($($self_mut)* $self: $self_type, quantity: u64) -> $return_type {
$self.invoice_request.quantity = Some(quantity);
$return_value
}
+ #[cfg_attr(c_bindings, allow(dead_code))]
pub(super) fn build_unchecked($self: $self_type) -> UnsignedInvoiceRequest {
$self.build_without_checks().0
}
}
impl<'a, 'b, T: secp256k1::Signing> InvoiceRequestBuilder<'a, 'b, DerivedPayerId, T> {
- invoice_request_derived_payer_id_builder_methods!(self, Self);
+ invoice_request_derived_payer_id_builder_methods!(self, Self, T);
}
impl<'a, 'b, P: PayerIdStrategy, T: secp256k1::Signing> InvoiceRequestBuilder<'a, 'b, P, T> {
- invoice_request_builder_methods!(self, Self, Self, self);
+ invoice_request_builder_methods!(self, Self, Self, self, T, mut);
#[cfg(test)]
- invoice_request_builder_test_methods!(self, Self, Self, self);
+ invoice_request_builder_test_methods!(self, Self, Self, self, mut);
+}
+
+#[cfg(all(c_bindings, not(test)))]
+impl<'a, 'b> InvoiceRequestWithExplicitPayerIdBuilder<'a, 'b> {
+ invoice_request_explicit_payer_id_builder_methods!(self, &mut Self);
+ invoice_request_builder_methods!(self, &mut Self, (), (), secp256k1::All);
+}
+
+#[cfg(all(c_bindings, test))]
+impl<'a, 'b> InvoiceRequestWithExplicitPayerIdBuilder<'a, 'b> {
+ invoice_request_explicit_payer_id_builder_methods!(self, &mut Self);
+ invoice_request_builder_methods!(self, &mut Self, &mut Self, self, secp256k1::All);
+ invoice_request_builder_test_methods!(self, &mut Self, &mut Self, self);
+}
+
+#[cfg(all(c_bindings, not(test)))]
+impl<'a, 'b> InvoiceRequestWithDerivedPayerIdBuilder<'a, 'b> {
+ invoice_request_derived_payer_id_builder_methods!(self, &mut Self, secp256k1::All);
+ invoice_request_builder_methods!(self, &mut Self, (), (), secp256k1::All);
+}
+
+#[cfg(all(c_bindings, test))]
+impl<'a, 'b> InvoiceRequestWithDerivedPayerIdBuilder<'a, 'b> {
+ invoice_request_derived_payer_id_builder_methods!(self, &mut Self, secp256k1::All);
+ invoice_request_builder_methods!(self, &mut Self, &mut Self, self, secp256k1::All);
+ invoice_request_builder_test_methods!(self, &mut Self, &mut Self, self);
+}
+
+#[cfg(c_bindings)]
+impl<'a, 'b> From<InvoiceRequestWithExplicitPayerIdBuilder<'a, 'b>>
+for InvoiceRequestBuilder<'a, 'b, ExplicitPayerId, secp256k1::All> {
+ fn from(builder: InvoiceRequestWithExplicitPayerIdBuilder<'a, 'b>) -> Self {
+ let InvoiceRequestWithExplicitPayerIdBuilder {
+ offer, invoice_request, payer_id, payer_id_strategy, secp_ctx,
+ } = builder;
+
+ Self {
+ offer, invoice_request, payer_id, payer_id_strategy, secp_ctx,
+ }
+ }
+}
+
+#[cfg(c_bindings)]
+impl<'a, 'b> From<InvoiceRequestWithDerivedPayerIdBuilder<'a, 'b>>
+for InvoiceRequestBuilder<'a, 'b, DerivedPayerId, secp256k1::All> {
+ fn from(builder: InvoiceRequestWithDerivedPayerIdBuilder<'a, 'b>) -> Self {
+ let InvoiceRequestWithDerivedPayerIdBuilder {
+ offer, invoice_request, payer_id, payer_id_strategy, secp_ctx,
+ } = builder;
+
+ Self {
+ offer, invoice_request, payer_id, payer_id_strategy, secp_ctx,
+ }
+ }
}
/// A semantically valid [`InvoiceRequest`] that hasn't been signed.
}
}
-macro_rules! unsigned_invoice_request_sign_method { ($self: ident, $self_type: ty) => {
+macro_rules! unsigned_invoice_request_sign_method { (
+ $self: ident, $self_type: ty $(, $self_mut: tt)?
+) => {
/// Signs the [`TaggedHash`] of the invoice request using the given function.
///
/// Note: The hash computation may have included unknown, odd TLV records.
///
/// This is not exported to bindings users as functions are not yet mapped.
- pub fn sign<F, E>(mut $self: $self_type, sign: F) -> Result<InvoiceRequest, SignError<E>>
+ pub fn sign<F, E>($($self_mut)* $self: $self_type, sign: F) -> Result<InvoiceRequest, SignError<E>>
where
F: FnOnce(&Self) -> Result<Signature, E>
{
signature_tlv_stream.write(&mut $self.bytes).unwrap();
Ok(InvoiceRequest {
+ #[cfg(not(c_bindings))]
bytes: $self.bytes,
+ #[cfg(c_bindings)]
+ bytes: $self.bytes.clone(),
+ #[cfg(not(c_bindings))]
contents: $self.contents,
+ #[cfg(c_bindings)]
+ contents: $self.contents.clone(),
signature,
})
}
} }
+#[cfg(not(c_bindings))]
+impl UnsignedInvoiceRequest {
+ unsigned_invoice_request_sign_method!(self, Self, mut);
+}
+
+#[cfg(c_bindings)]
impl UnsignedInvoiceRequest {
- unsigned_invoice_request_sign_method!(self, Self);
+ unsigned_invoice_request_sign_method!(self, &mut Self);
}
impl AsRef<TaggedHash> for UnsignedInvoiceRequest {
.build().unwrap()
.request_invoice(vec![1; 32], payer_pubkey()).unwrap()
.build().unwrap();
+ #[cfg(c_bindings)]
+ let mut unsigned_invoice_request = unsigned_invoice_request;
let mut buffer = Vec::new();
unsigned_invoice_request.write(&mut buffer).unwrap();
use crate::ln::features::OfferFeatures;
use crate::ln::inbound_payment::{ExpandedKey, IV_LEN, Nonce};
use crate::ln::msgs::MAX_VALUE_MSAT;
-use crate::offers::invoice_request::{DerivedPayerId, ExplicitPayerId, InvoiceRequestBuilder};
use crate::offers::merkle::TlvStream;
use crate::offers::parse::{Bech32Encode, Bolt12ParseError, Bolt12SemanticError, ParsedMessage};
use crate::offers::signer::{Metadata, MetadataMaterial, self};
use crate::util::ser::{HighZeroBytesDroppedBigSize, WithoutLength, Writeable, Writer};
use crate::util::string::PrintableString;
+#[cfg(not(c_bindings))]
+use {
+ crate::offers::invoice_request::{DerivedPayerId, ExplicitPayerId, InvoiceRequestBuilder},
+};
+#[cfg(c_bindings)]
+use {
+ crate::offers::invoice_request::{InvoiceRequestWithDerivedPayerIdBuilder, InvoiceRequestWithExplicitPayerIdBuilder},
+};
+
use crate::prelude::*;
#[cfg(feature = "std")]
///
/// Useful to protect the sender's privacy.
///
- /// This is not exported to bindings users as builder patterns don't map outside of move semantics.
- ///
/// [`InvoiceRequest::payer_id`]: crate::offers::invoice_request::InvoiceRequest::payer_id
/// [`InvoiceRequest::payer_metadata`]: crate::offers::invoice_request::InvoiceRequest::payer_metadata
/// [`Bolt12Invoice::verify`]: crate::offers::invoice::Bolt12Invoice::verify
/// [`ExpandedKey`]: crate::ln::inbound_payment::ExpandedKey
- pub fn request_invoice_deriving_payer_id<'a, 'b, ES: Deref, T: secp256k1::Signing>(
- &'a $self, expanded_key: &ExpandedKey, entropy_source: ES, secp_ctx: &'b Secp256k1<T>,
+ pub fn request_invoice_deriving_payer_id<
+ 'a, 'b, ES: Deref,
+ #[cfg(not(c_bindings))]
+ T: secp256k1::Signing
+ >(
+ &'a $self, expanded_key: &ExpandedKey, entropy_source: ES,
+ #[cfg(not(c_bindings))]
+ secp_ctx: &'b Secp256k1<T>,
+ #[cfg(c_bindings)]
+ secp_ctx: &'b Secp256k1<secp256k1::All>,
payment_id: PaymentId
) -> Result<$builder, Bolt12SemanticError>
where
///
/// Useful for recurring payments using the same `payer_id` with different invoices.
///
- /// This is not exported to bindings users as builder patterns don't map outside of move semantics.
- ///
/// [`InvoiceRequest::payer_id`]: crate::offers::invoice_request::InvoiceRequest::payer_id
pub fn request_invoice_deriving_metadata<ES: Deref>(
&$self, payer_id: PublicKey, expanded_key: &ExpandedKey, entropy_source: ES,
///
/// Errors if the offer contains unknown required features.
///
- /// This is not exported to bindings users as builder patterns don't map outside of move semantics.
- ///
/// [`InvoiceRequest`]: crate::offers::invoice_request::InvoiceRequest
pub fn request_invoice(
&$self, metadata: Vec<u8>, payer_id: PublicKey
}
} }
+#[cfg(not(c_bindings))]
impl Offer {
request_invoice_derived_payer_id!(self, InvoiceRequestBuilder<'a, 'b, DerivedPayerId, T>);
request_invoice_explicit_payer_id!(self, InvoiceRequestBuilder<ExplicitPayerId, secp256k1::SignOnly>);
}
+#[cfg(c_bindings)]
+impl Offer {
+ request_invoice_derived_payer_id!(self, InvoiceRequestWithDerivedPayerIdBuilder<'a, 'b>);
+ request_invoice_explicit_payer_id!(self, InvoiceRequestWithExplicitPayerIdBuilder);
+}
+
#[cfg(test)]
impl Offer {
pub(super) fn as_tlv_stream(&self) -> OfferTlvStreamRef {