//! published as a QR code to be scanned by a customer. The customer uses the offer to request an
//! invoice from the merchant to be paid.
//!
+//! # Example
+//!
//! ```
//! extern crate bitcoin;
//! extern crate core;
//! # Ok(())
//! # }
//! ```
+//!
+//! # Note
+//!
+//! If constructing an [`Offer`] for use with a [`ChannelManager`], use
+//! [`ChannelManager::create_offer_builder`] instead of [`OfferBuilder::new`].
+//!
+//! [`ChannelManager`]: crate::ln::channelmanager::ChannelManager
+//! [`ChannelManager::create_offer_builder`]: crate::ln::channelmanager::ChannelManager::create_offer_builder
use bitcoin::blockdata::constants::ChainHash;
use bitcoin::network::constants::Network;
use bitcoin::secp256k1::{KeyPair, PublicKey, Secp256k1, self};
use core::convert::TryFrom;
+use core::hash::{Hash, Hasher};
use core::num::NonZeroU64;
use core::ops::Deref;
use core::str::FromStr;
use crate::sign::EntropySource;
use crate::io;
use crate::blinded_path::BlindedPath;
+use crate::ln::channelmanager::PaymentId;
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")]
secp_ctx: Option<&'a Secp256k1<T>>,
}
+/// Builds an [`Offer`] for the "offer to be paid" flow.
+///
+/// See [module-level documentation] for usage.
+///
+/// This is not exported to bindings users as builder patterns don't map outside of move semantics.
+///
+/// [module-level documentation]: self
+#[cfg(c_bindings)]
+pub struct OfferWithExplicitMetadataBuilder<'a> {
+ offer: OfferContents,
+ metadata_strategy: core::marker::PhantomData<ExplicitMetadata>,
+ secp_ctx: Option<&'a Secp256k1<secp256k1::All>>,
+}
+
+/// Builds an [`Offer`] for the "offer to be paid" flow.
+///
+/// See [module-level documentation] for usage.
+///
+/// This is not exported to bindings users as builder patterns don't map outside of move semantics.
+///
+/// [module-level documentation]: self
+#[cfg(c_bindings)]
+pub struct OfferWithDerivedMetadataBuilder<'a> {
+ offer: OfferContents,
+ metadata_strategy: core::marker::PhantomData<DerivedMetadata>,
+ secp_ctx: Option<&'a Secp256k1<secp256k1::All>>,
+}
+
/// Indicates how [`Offer::metadata`] may be set.
///
/// This is not exported to bindings users as builder patterns don't map outside of move semantics.
pub struct DerivedMetadata {}
impl MetadataStrategy for ExplicitMetadata {}
+
impl MetadataStrategy for DerivedMetadata {}
-impl<'a> OfferBuilder<'a, ExplicitMetadata, secp256k1::SignOnly> {
+macro_rules! offer_explicit_metadata_builder_methods { (
+ $self: ident, $self_type: ty, $return_type: ty, $return_value: expr
+) => {
/// Creates a new builder for an offer setting the [`Offer::description`] and using the
/// [`Offer::signing_pubkey`] for signing invoices. The associated secret key must be remembered
/// while the offer is valid.
///
/// Use a different pubkey per offer to avoid correlating offers.
+ ///
+ /// # Note
+ ///
+ /// If constructing an [`Offer`] for use with a [`ChannelManager`], use
+ /// [`ChannelManager::create_offer_builder`] instead of [`OfferBuilder::new`].
+ ///
+ /// [`ChannelManager`]: crate::ln::channelmanager::ChannelManager
+ /// [`ChannelManager::create_offer_builder`]: crate::ln::channelmanager::ChannelManager::create_offer_builder
pub fn new(description: String, signing_pubkey: PublicKey) -> Self {
- OfferBuilder {
+ Self {
offer: OfferContents {
chains: None, metadata: None, amount: None, description,
features: OfferFeatures::empty(), absolute_expiry: None, issuer: None, paths: None,
/// Sets the [`Offer::metadata`] to the given bytes.
///
/// Successive calls to this method will override the previous setting.
- pub fn metadata(mut self, metadata: Vec<u8>) -> Result<Self, Bolt12SemanticError> {
- self.offer.metadata = Some(Metadata::Bytes(metadata));
- Ok(self)
+ pub fn metadata(mut $self: $self_type, metadata: Vec<u8>) -> Result<$return_type, Bolt12SemanticError> {
+ $self.offer.metadata = Some(Metadata::Bytes(metadata));
+ Ok($return_value)
}
-}
+} }
-impl<'a, T: secp256k1::Signing> OfferBuilder<'a, DerivedMetadata, T> {
+macro_rules! offer_derived_metadata_builder_methods { ($secp_context: ty) => {
/// Similar to [`OfferBuilder::new`] except, if [`OfferBuilder::path`] is called, the signing
/// pubkey is derived from the given [`ExpandedKey`] and [`EntropySource`]. This provides
/// recipient privacy by using a different signing pubkey for each offer. Otherwise, the
/// [`ExpandedKey`]: crate::ln::inbound_payment::ExpandedKey
pub fn deriving_signing_pubkey<ES: Deref>(
description: String, node_id: PublicKey, expanded_key: &ExpandedKey, entropy_source: ES,
- secp_ctx: &'a Secp256k1<T>
+ secp_ctx: &'a Secp256k1<$secp_context>
) -> Self where ES::Target: EntropySource {
let nonce = Nonce::from_entropy_source(entropy_source);
- let derivation_material = MetadataMaterial::new(nonce, expanded_key, IV_BYTES);
+ let derivation_material = MetadataMaterial::new(nonce, expanded_key, IV_BYTES, None);
let metadata = Metadata::DerivedSigningPubkey(derivation_material);
- OfferBuilder {
+ Self {
offer: OfferContents {
chains: None, metadata: Some(metadata), amount: None, description,
features: OfferFeatures::empty(), absolute_expiry: None, issuer: None, paths: None,
secp_ctx: Some(secp_ctx),
}
}
-}
+} }
-impl<'a, M: MetadataStrategy, T: secp256k1::Signing> OfferBuilder<'a, M, T> {
+macro_rules! offer_builder_methods { (
+ $self: ident, $self_type: ty, $return_type: ty, $return_value: expr $(, $self_mut: tt)?
+) => {
/// Adds the chain hash of the given [`Network`] to [`Offer::chains`]. If not called,
/// the chain hash of [`Network::Bitcoin`] is assumed to be the only one supported.
///
/// See [`Offer::chains`] on how this relates to the payment currency.
///
/// Successive calls to this method will add another chain hash.
- pub fn chain(mut self, network: Network) -> Self {
- let chains = self.offer.chains.get_or_insert_with(Vec::new);
- let chain = ChainHash::using_genesis_block(network);
+ pub fn chain($self: $self_type, network: Network) -> $return_type {
+ $self.chain_hash(ChainHash::using_genesis_block(network))
+ }
+
+ /// Adds the [`ChainHash`] to [`Offer::chains`]. If not called, the chain hash of
+ /// [`Network::Bitcoin`] is assumed to be the only one supported.
+ ///
+ /// See [`Offer::chains`] on how this relates to the payment currency.
+ ///
+ /// Successive calls to this method will add another chain hash.
+ pub(crate) fn chain_hash($($self_mut)* $self: $self_type, chain: ChainHash) -> $return_type {
+ let chains = $self.offer.chains.get_or_insert_with(Vec::new);
if !chains.contains(&chain) {
chains.push(chain);
}
- self
+ $return_value
}
/// Sets the [`Offer::amount`] as an [`Amount::Bitcoin`].
///
/// Successive calls to this method will override the previous setting.
- pub fn amount_msats(self, amount_msats: u64) -> Self {
- self.amount(Amount::Bitcoin { amount_msats })
+ pub fn amount_msats($self: $self_type, amount_msats: u64) -> $return_type {
+ $self.amount(Amount::Bitcoin { amount_msats })
}
/// Sets the [`Offer::amount`].
///
/// Successive calls to this method will override the previous setting.
- pub(super) fn amount(mut self, amount: Amount) -> Self {
- self.offer.amount = Some(amount);
- self
+ pub(super) fn amount($($self_mut)* $self: $self_type, amount: Amount) -> $return_type {
+ $self.offer.amount = Some(amount);
+ $return_value
}
/// Sets the [`Offer::absolute_expiry`] as seconds since the Unix epoch. Any expiry that has
/// already passed is valid and can be checked for using [`Offer::is_expired`].
///
/// Successive calls to this method will override the previous setting.
- pub fn absolute_expiry(mut self, absolute_expiry: Duration) -> Self {
- self.offer.absolute_expiry = Some(absolute_expiry);
- self
+ pub fn absolute_expiry($($self_mut)* $self: $self_type, absolute_expiry: Duration) -> $return_type {
+ $self.offer.absolute_expiry = Some(absolute_expiry);
+ $return_value
}
/// Sets the [`Offer::issuer`].
///
/// Successive calls to this method will override the previous setting.
- pub fn issuer(mut self, issuer: String) -> Self {
- self.offer.issuer = Some(issuer);
- self
+ pub fn issuer($($self_mut)* $self: $self_type, issuer: String) -> $return_type {
+ $self.offer.issuer = Some(issuer);
+ $return_value
}
/// Adds a blinded path to [`Offer::paths`]. Must include at least one path if only connected by
///
/// Successive calls to this method will add another blinded path. Caller is responsible for not
/// adding duplicate paths.
- pub fn path(mut self, path: BlindedPath) -> Self {
- self.offer.paths.get_or_insert_with(Vec::new).push(path);
- self
+ pub fn path($($self_mut)* $self: $self_type, path: BlindedPath) -> $return_type {
+ $self.offer.paths.get_or_insert_with(Vec::new).push(path);
+ $return_value
}
/// Sets the quantity of items for [`Offer::supported_quantity`]. If not called, defaults to
/// [`Quantity::One`].
///
/// Successive calls to this method will override the previous setting.
- pub fn supported_quantity(mut self, quantity: Quantity) -> Self {
- self.offer.supported_quantity = quantity;
- self
+ pub fn supported_quantity($($self_mut)* $self: $self_type, quantity: Quantity) -> $return_type {
+ $self.offer.supported_quantity = quantity;
+ $return_value
}
/// Builds an [`Offer`] from the builder's settings.
- pub fn build(mut self) -> Result<Offer, Bolt12SemanticError> {
- match self.offer.amount {
+ pub fn build($($self_mut)* $self: $self_type) -> Result<Offer, Bolt12SemanticError> {
+ match $self.offer.amount {
Some(Amount::Bitcoin { amount_msats }) => {
if amount_msats > MAX_VALUE_MSAT {
return Err(Bolt12SemanticError::InvalidAmount);
None => {},
}
- if let Some(chains) = &self.offer.chains {
- if chains.len() == 1 && chains[0] == self.offer.implied_chain() {
- self.offer.chains = None;
+ if let Some(chains) = &$self.offer.chains {
+ if chains.len() == 1 && chains[0] == $self.offer.implied_chain() {
+ $self.offer.chains = None;
}
}
- Ok(self.build_without_checks())
+ Ok($self.build_without_checks())
}
- fn build_without_checks(mut self) -> Offer {
+ fn build_without_checks($($self_mut)* $self: $self_type) -> Offer {
// Create the metadata for stateless verification of an InvoiceRequest.
- if let Some(mut metadata) = self.offer.metadata.take() {
+ if let Some(mut metadata) = $self.offer.metadata.take() {
if metadata.has_derivation_material() {
- if self.offer.paths.is_none() {
+ if $self.offer.paths.is_none() {
metadata = metadata.without_keys();
}
- let mut tlv_stream = self.offer.as_tlv_stream();
+ let mut tlv_stream = $self.offer.as_tlv_stream();
debug_assert_eq!(tlv_stream.metadata, None);
tlv_stream.metadata = None;
- if metadata.derives_keys() {
+ if metadata.derives_recipient_keys() {
tlv_stream.node_id = None;
}
- let (derived_metadata, keys) = metadata.derive_from(tlv_stream, self.secp_ctx);
+ let (derived_metadata, keys) = metadata.derive_from(tlv_stream, $self.secp_ctx);
metadata = derived_metadata;
if let Some(keys) = keys {
- self.offer.signing_pubkey = keys.public_key();
+ $self.offer.signing_pubkey = keys.public_key();
}
}
- self.offer.metadata = Some(metadata);
+ $self.offer.metadata = Some(metadata);
}
let mut bytes = Vec::new();
- self.offer.write(&mut bytes).unwrap();
-
- Offer { bytes, contents: self.offer }
+ $self.offer.write(&mut bytes).unwrap();
+
+ Offer {
+ bytes,
+ #[cfg(not(c_bindings))]
+ contents: $self.offer,
+ #[cfg(c_bindings)]
+ contents: $self.offer.clone()
+ }
}
-}
+} }
#[cfg(test)]
+macro_rules! offer_builder_test_methods { (
+ $self: ident, $self_type: ty, $return_type: ty, $return_value: expr $(, $self_mut: tt)?
+) => {
+ #[cfg_attr(c_bindings, allow(dead_code))]
+ fn features_unchecked($($self_mut)* $self: $self_type, features: OfferFeatures) -> $return_type {
+ $self.offer.features = features;
+ $return_value
+ }
+
+ #[cfg_attr(c_bindings, allow(dead_code))]
+ pub(crate) fn clear_chains($($self_mut)* $self: $self_type) -> $return_type {
+ $self.offer.chains = None;
+ $return_value
+ }
+
+ #[cfg_attr(c_bindings, allow(dead_code))]
+ pub(crate) fn clear_paths($($self_mut)* $self: $self_type) -> $return_type {
+ $self.offer.paths = None;
+ $return_value
+ }
+
+ #[cfg_attr(c_bindings, allow(dead_code))]
+ pub(super) fn build_unchecked($self: $self_type) -> Offer {
+ $self.build_without_checks()
+ }
+} }
+
impl<'a, M: MetadataStrategy, T: secp256k1::Signing> OfferBuilder<'a, M, T> {
- fn features_unchecked(mut self, features: OfferFeatures) -> Self {
- self.offer.features = features;
- self
+ offer_builder_methods!(self, Self, Self, self, mut);
+
+ #[cfg(test)]
+ offer_builder_test_methods!(self, Self, Self, self, mut);
+}
+
+impl<'a> OfferBuilder<'a, ExplicitMetadata, secp256k1::SignOnly> {
+ offer_explicit_metadata_builder_methods!(self, Self, Self, self);
+}
+
+impl<'a, T: secp256k1::Signing> OfferBuilder<'a, DerivedMetadata, T> {
+ offer_derived_metadata_builder_methods!(T);
+}
+
+#[cfg(all(c_bindings, not(test)))]
+impl<'a> OfferWithExplicitMetadataBuilder<'a> {
+ offer_explicit_metadata_builder_methods!(self, &mut Self, (), ());
+ offer_builder_methods!(self, &mut Self, (), ());
+}
+
+#[cfg(all(c_bindings, test))]
+impl<'a> OfferWithExplicitMetadataBuilder<'a> {
+ offer_explicit_metadata_builder_methods!(self, &mut Self, &mut Self, self);
+ offer_builder_methods!(self, &mut Self, &mut Self, self);
+ offer_builder_test_methods!(self, &mut Self, &mut Self, self);
+}
+
+#[cfg(all(c_bindings, not(test)))]
+impl<'a> OfferWithDerivedMetadataBuilder<'a> {
+ offer_derived_metadata_builder_methods!(secp256k1::All);
+ offer_builder_methods!(self, &mut Self, (), ());
+}
+
+#[cfg(all(c_bindings, test))]
+impl<'a> OfferWithDerivedMetadataBuilder<'a> {
+ offer_derived_metadata_builder_methods!(secp256k1::All);
+ offer_builder_methods!(self, &mut Self, &mut Self, self);
+ offer_builder_test_methods!(self, &mut Self, &mut Self, self);
+}
+
+#[cfg(c_bindings)]
+impl<'a> From<OfferBuilder<'a, DerivedMetadata, secp256k1::All>>
+for OfferWithDerivedMetadataBuilder<'a> {
+ fn from(builder: OfferBuilder<'a, DerivedMetadata, secp256k1::All>) -> Self {
+ let OfferBuilder { offer, metadata_strategy, secp_ctx } = builder;
+
+ Self { offer, metadata_strategy, secp_ctx }
}
+}
+
+#[cfg(c_bindings)]
+impl<'a> From<OfferWithDerivedMetadataBuilder<'a>>
+for OfferBuilder<'a, DerivedMetadata, secp256k1::All> {
+ fn from(builder: OfferWithDerivedMetadataBuilder<'a>) -> Self {
+ let OfferWithDerivedMetadataBuilder { offer, metadata_strategy, secp_ctx } = builder;
- pub(super) fn build_unchecked(self) -> Offer {
- self.build_without_checks()
+ Self { offer, metadata_strategy, secp_ctx }
}
}
/// [`InvoiceRequest`]: crate::offers::invoice_request::InvoiceRequest
/// [`Bolt12Invoice`]: crate::offers::invoice::Bolt12Invoice
#[derive(Clone, Debug)]
-#[cfg_attr(test, derive(PartialEq))]
pub struct Offer {
// The serialized offer. Needed when creating an `InvoiceRequest` if the offer contains unknown
// fields.
signing_pubkey: PublicKey,
}
-impl Offer {
+macro_rules! offer_accessors { ($self: ident, $contents: expr) => {
// TODO: Return a slice once ChainHash has constants.
// - https://github.com/rust-bitcoin/rust-bitcoin/pull/1283
// - https://github.com/rust-bitcoin/rust-bitcoin/pull/1286
/// The chains that may be used when paying a requested invoice (e.g., bitcoin mainnet).
/// Payments must be denominated in units of the minimal lightning-payable unit (e.g., msats)
/// for the selected chain.
- pub fn chains(&self) -> Vec<ChainHash> {
- self.contents.chains()
- }
-
- pub(super) fn implied_chain(&self) -> ChainHash {
- self.contents.implied_chain()
- }
-
- /// Returns whether the given chain is supported by the offer.
- pub fn supports_chain(&self, chain: ChainHash) -> bool {
- self.contents.supports_chain(chain)
+ pub fn chains(&$self) -> Vec<bitcoin::blockdata::constants::ChainHash> {
+ $contents.chains()
}
// TODO: Link to corresponding method in `InvoiceRequest`.
/// Opaque bytes set by the originator. Useful for authentication and validating fields since it
/// is reflected in `invoice_request` messages along with all the other fields from the `offer`.
- pub fn metadata(&self) -> Option<&Vec<u8>> {
- self.contents.metadata()
+ pub fn metadata(&$self) -> Option<&Vec<u8>> {
+ $contents.metadata()
}
/// The minimum amount required for a successful payment of a single item.
- pub fn amount(&self) -> Option<&Amount> {
- self.contents.amount()
+ pub fn amount(&$self) -> Option<&$crate::offers::offer::Amount> {
+ $contents.amount()
}
/// A complete description of the purpose of the payment. Intended to be displayed to the user
/// but with the caveat that it has not been verified in any way.
- pub fn description(&self) -> PrintableString {
- self.contents.description()
+ pub fn description(&$self) -> $crate::util::string::PrintableString {
+ $contents.description()
}
/// Features pertaining to the offer.
- pub fn features(&self) -> &OfferFeatures {
- &self.contents.features
+ pub fn offer_features(&$self) -> &$crate::ln::features::OfferFeatures {
+ &$contents.features()
}
/// Duration since the Unix epoch when an invoice should no longer be requested.
///
/// If `None`, the offer does not expire.
- pub fn absolute_expiry(&self) -> Option<Duration> {
- self.contents.absolute_expiry
- }
-
- /// Whether the offer has expired.
- #[cfg(feature = "std")]
- pub fn is_expired(&self) -> bool {
- self.contents.is_expired()
+ pub fn absolute_expiry(&$self) -> Option<core::time::Duration> {
+ $contents.absolute_expiry()
}
/// The issuer of the offer, possibly beginning with `user@domain` or `domain`. Intended to be
/// displayed to the user but with the caveat that it has not been verified in any way.
- pub fn issuer(&self) -> Option<PrintableString> {
- self.contents.issuer.as_ref().map(|issuer| PrintableString(issuer.as_str()))
+ pub fn issuer(&$self) -> Option<$crate::util::string::PrintableString> {
+ $contents.issuer()
}
/// Paths to the recipient originating from publicly reachable nodes. Blinded paths provide
/// recipient privacy by obfuscating its node id.
- pub fn paths(&self) -> &[BlindedPath] {
- self.contents.paths.as_ref().map(|paths| paths.as_slice()).unwrap_or(&[])
+ pub fn paths(&$self) -> &[$crate::blinded_path::BlindedPath] {
+ $contents.paths()
}
/// The quantity of items supported.
- pub fn supported_quantity(&self) -> Quantity {
- self.contents.supported_quantity()
+ pub fn supported_quantity(&$self) -> $crate::offers::offer::Quantity {
+ $contents.supported_quantity()
+ }
+
+ /// The public key used by the recipient to sign invoices.
+ pub fn signing_pubkey(&$self) -> bitcoin::secp256k1::PublicKey {
+ $contents.signing_pubkey()
+ }
+} }
+
+impl Offer {
+ offer_accessors!(self, self.contents);
+
+ pub(super) fn implied_chain(&self) -> ChainHash {
+ self.contents.implied_chain()
+ }
+
+ /// Returns whether the given chain is supported by the offer.
+ pub fn supports_chain(&self, chain: ChainHash) -> bool {
+ self.contents.supports_chain(chain)
+ }
+
+ /// Whether the offer has expired.
+ #[cfg(feature = "std")]
+ pub fn is_expired(&self) -> bool {
+ self.contents.is_expired()
+ }
+
+ /// Whether the offer has expired given the duration since the Unix epoch.
+ pub fn is_expired_no_std(&self, duration_since_epoch: Duration) -> bool {
+ self.contents.is_expired_no_std(duration_since_epoch)
}
/// Returns whether the given quantity is valid for the offer.
pub fn expects_quantity(&self) -> bool {
self.contents.expects_quantity()
}
+}
- /// The public key used by the recipient to sign invoices.
- pub fn signing_pubkey(&self) -> PublicKey {
- self.contents.signing_pubkey()
- }
-
+macro_rules! request_invoice_derived_payer_id { ($self: ident, $builder: ty) => {
/// Similar to [`Offer::request_invoice`] except it:
/// - derives the [`InvoiceRequest::payer_id`] such that a different key can be used for each
- /// request, and
- /// - sets the [`InvoiceRequest::metadata`] when [`InvoiceRequestBuilder::build`] is called such
- /// that it can be used by [`Bolt12Invoice::verify`] to determine if the invoice was requested
- /// using a base [`ExpandedKey`] from which the payer id was derived.
+ /// request,
+ /// - sets [`InvoiceRequest::payer_metadata`] when [`InvoiceRequestBuilder::build`] is called
+ /// such that it can be used by [`Bolt12Invoice::verify`] to determine if the invoice was
+ /// requested using a base [`ExpandedKey`] from which the payer id was derived, and
+ /// - includes the [`PaymentId`] encrypted in [`InvoiceRequest::payer_metadata`] so that it can
+ /// be used when sending the payment for the requested invoice.
///
/// 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::metadata`]: crate::offers::invoice_request::InvoiceRequest::metadata
+ /// [`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>
- ) -> Result<InvoiceRequestBuilder<'a, 'b, DerivedPayerId, T>, Bolt12SemanticError>
+ 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
ES::Target: EntropySource,
{
- if self.features().requires_unknown_bits() {
+ if $self.offer_features().requires_unknown_bits() {
return Err(Bolt12SemanticError::UnknownRequiredFeatures);
}
- Ok(InvoiceRequestBuilder::deriving_payer_id(self, expanded_key, entropy_source, secp_ctx))
+ Ok(<$builder>::deriving_payer_id($self, expanded_key, entropy_source, secp_ctx, payment_id))
}
+} }
+macro_rules! request_invoice_explicit_payer_id { ($self: ident, $builder: ty) => {
/// Similar to [`Offer::request_invoice_deriving_payer_id`] except uses `payer_id` for the
/// [`InvoiceRequest::payer_id`] instead of deriving a different key for each request.
///
/// Useful for recurring payments using the same `payer_id` with different invoices.
///
- /// This is not exported to bindings users as builder patterns don't map outside of move semantics.
- ///
/// [`InvoiceRequest::payer_id`]: crate::offers::invoice_request::InvoiceRequest::payer_id
pub fn request_invoice_deriving_metadata<ES: Deref>(
- &self, payer_id: PublicKey, expanded_key: &ExpandedKey, entropy_source: ES
- ) -> Result<InvoiceRequestBuilder<ExplicitPayerId, secp256k1::SignOnly>, Bolt12SemanticError>
+ &$self, payer_id: PublicKey, expanded_key: &ExpandedKey, entropy_source: ES,
+ payment_id: PaymentId
+ ) -> Result<$builder, Bolt12SemanticError>
where
ES::Target: EntropySource,
{
- if self.features().requires_unknown_bits() {
+ if $self.offer_features().requires_unknown_bits() {
return Err(Bolt12SemanticError::UnknownRequiredFeatures);
}
- Ok(InvoiceRequestBuilder::deriving_metadata(self, payer_id, expanded_key, entropy_source))
+ Ok(<$builder>::deriving_metadata($self, payer_id, expanded_key, entropy_source, payment_id))
}
/// Creates an [`InvoiceRequestBuilder`] for the offer with the given `metadata` and `payer_id`,
///
/// Errors if the offer contains unknown required features.
///
- /// This is not exported to bindings users as builder patterns don't map outside of move semantics.
- ///
/// [`InvoiceRequest`]: crate::offers::invoice_request::InvoiceRequest
pub fn request_invoice(
- &self, metadata: Vec<u8>, payer_id: PublicKey
- ) -> Result<InvoiceRequestBuilder<ExplicitPayerId, secp256k1::SignOnly>, Bolt12SemanticError> {
- if self.features().requires_unknown_bits() {
+ &$self, metadata: Vec<u8>, payer_id: PublicKey
+ ) -> Result<$builder, Bolt12SemanticError> {
+ if $self.offer_features().requires_unknown_bits() {
return Err(Bolt12SemanticError::UnknownRequiredFeatures);
}
- Ok(InvoiceRequestBuilder::new(self, metadata, payer_id))
+ Ok(<$builder>::new($self, metadata, payer_id))
}
+} }
- #[cfg(test)]
+#[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 {
self.contents.as_tlv_stream()
}
}
}
+impl PartialEq for Offer {
+ fn eq(&self, other: &Self) -> bool {
+ self.bytes.eq(&other.bytes)
+ }
+}
+
+impl Eq for Offer {}
+
+impl Hash for Offer {
+ fn hash<H: Hasher>(&self, state: &mut H) {
+ self.bytes.hash(state);
+ }
+}
+
impl OfferContents {
pub fn chains(&self) -> Vec<ChainHash> {
self.chains.as_ref().cloned().unwrap_or_else(|| vec![self.implied_chain()])
self.metadata.as_ref().and_then(|metadata| metadata.as_bytes())
}
+ pub fn amount(&self) -> Option<&Amount> {
+ self.amount.as_ref()
+ }
+
pub fn description(&self) -> PrintableString {
PrintableString(&self.description)
}
+ pub fn features(&self) -> &OfferFeatures {
+ &self.features
+ }
+
+ pub fn absolute_expiry(&self) -> Option<Duration> {
+ self.absolute_expiry
+ }
+
#[cfg(feature = "std")]
pub(super) fn is_expired(&self) -> bool {
- match self.absolute_expiry {
- Some(seconds_from_epoch) => match SystemTime::UNIX_EPOCH.elapsed() {
- Ok(elapsed) => elapsed > seconds_from_epoch,
- Err(_) => false,
- },
- None => false,
- }
+ SystemTime::UNIX_EPOCH
+ .elapsed()
+ .map(|duration_since_epoch| self.is_expired_no_std(duration_since_epoch))
+ .unwrap_or(false)
}
- pub fn amount(&self) -> Option<&Amount> {
- self.amount.as_ref()
+ pub(super) fn is_expired_no_std(&self, duration_since_epoch: Duration) -> bool {
+ self.absolute_expiry
+ .map(|absolute_expiry| duration_since_epoch > absolute_expiry)
+ .unwrap_or(false)
+ }
+
+ pub fn issuer(&self) -> Option<PrintableString> {
+ self.issuer.as_ref().map(|issuer| PrintableString(issuer.as_str()))
+ }
+
+ pub fn paths(&self) -> &[BlindedPath] {
+ self.paths.as_ref().map(|paths| paths.as_slice()).unwrap_or(&[])
}
pub(super) fn check_amount_msats_for_quantity(
let tlv_stream = TlvStream::new(bytes).range(OFFER_TYPES).filter(|record| {
match record.r#type {
OFFER_METADATA_TYPE => false,
- OFFER_NODE_ID_TYPE => !self.metadata.as_ref().unwrap().derives_keys(),
+ OFFER_NODE_ID_TYPE => {
+ !self.metadata.as_ref().unwrap().derives_recipient_keys()
+ },
_ => true,
}
});
- signer::verify_metadata(
+ signer::verify_recipient_metadata(
metadata, key, IV_BYTES, self.signing_pubkey(), tlv_stream, secp_ctx
)
},
#[cfg(test)]
mod tests {
- use super::{Amount, Offer, OfferBuilder, OfferTlvStreamRef, Quantity};
+ use super::{Amount, Offer, OfferTlvStreamRef, Quantity};
+ #[cfg(not(c_bindings))]
+ use {
+ super::OfferBuilder,
+ };
+ #[cfg(c_bindings)]
+ use {
+ super::OfferWithExplicitMetadataBuilder as OfferBuilder,
+ };
use bitcoin::blockdata::constants::ChainHash;
use bitcoin::network::constants::Network;
assert_eq!(offer.metadata(), None);
assert_eq!(offer.amount(), None);
assert_eq!(offer.description(), PrintableString("foo"));
- assert_eq!(offer.features(), &OfferFeatures::empty());
+ assert_eq!(offer.offer_features(), &OfferFeatures::empty());
assert_eq!(offer.absolute_expiry(), None);
#[cfg(feature = "std")]
assert!(!offer.is_expired());
let entropy = FixedEntropy {};
let secp_ctx = Secp256k1::new();
+ #[cfg(c_bindings)]
+ use super::OfferWithDerivedMetadataBuilder as OfferBuilder;
let offer = OfferBuilder
::deriving_signing_pubkey(desc, node_id, &expanded_key, &entropy, &secp_ctx)
.amount_msats(1000)
],
};
+ #[cfg(c_bindings)]
+ use super::OfferWithDerivedMetadataBuilder as OfferBuilder;
let offer = OfferBuilder
::deriving_signing_pubkey(desc, node_id, &expanded_key, &entropy, &secp_ctx)
.amount_msats(1000)
assert_eq!(tlv_stream.amount, Some(1000));
assert_eq!(tlv_stream.currency, None);
+ #[cfg(not(c_bindings))]
let builder = OfferBuilder::new("foo".into(), pubkey(42))
.amount(currency_amount.clone());
+ #[cfg(c_bindings)]
+ let mut builder = OfferBuilder::new("foo".into(), pubkey(42));
+ #[cfg(c_bindings)]
+ builder.amount(currency_amount.clone());
let tlv_stream = builder.offer.as_tlv_stream();
assert_eq!(builder.offer.amount, Some(currency_amount.clone()));
assert_eq!(tlv_stream.amount, Some(10));
.features_unchecked(OfferFeatures::unknown())
.build()
.unwrap();
- assert_eq!(offer.features(), &OfferFeatures::unknown());
+ assert_eq!(offer.offer_features(), &OfferFeatures::unknown());
assert_eq!(offer.as_tlv_stream().features, Some(&OfferFeatures::unknown()));
let offer = OfferBuilder::new("foo".into(), pubkey(42))
.features_unchecked(OfferFeatures::empty())
.build()
.unwrap();
- assert_eq!(offer.features(), &OfferFeatures::empty());
+ assert_eq!(offer.offer_features(), &OfferFeatures::empty());
assert_eq!(offer.as_tlv_stream().features, None);
}
fn builds_offer_with_absolute_expiry() {
let future_expiry = Duration::from_secs(u64::max_value());
let past_expiry = Duration::from_secs(0);
+ let now = future_expiry - Duration::from_secs(1_000);
let offer = OfferBuilder::new("foo".into(), pubkey(42))
.absolute_expiry(future_expiry)
.unwrap();
#[cfg(feature = "std")]
assert!(!offer.is_expired());
+ assert!(!offer.is_expired_no_std(now));
assert_eq!(offer.absolute_expiry(), Some(future_expiry));
assert_eq!(offer.as_tlv_stream().absolute_expiry, Some(future_expiry.as_secs()));
.unwrap();
#[cfg(feature = "std")]
assert!(offer.is_expired());
+ assert!(offer.is_expired_no_std(now));
assert_eq!(offer.absolute_expiry(), Some(past_expiry));
assert_eq!(offer.as_tlv_stream().absolute_expiry, Some(past_expiry.as_secs()));
}
}
#[cfg(test)]
-mod bech32_tests {
- use super::{Bolt12ParseError, Offer};
- use bitcoin::bech32;
+mod bolt12_tests {
+ use super::{Bolt12ParseError, Bolt12SemanticError, Offer};
use crate::ln::msgs::DecodeError;
- #[test]
- fn encodes_offer_as_bech32_without_checksum() {
- let encoded_offer = "lno1pqps7sjqpgtyzm3qv4uxzmtsd3jjqer9wd3hy6tsw35k7msjzfpy7nz5yqcnygrfdej82um5wf5k2uckyypwa3eyt44h6txtxquqh7lz5djge4afgfjn7k4rgrkuag0jsd5xvxg";
- let offer = dbg!(encoded_offer.parse::<Offer>().unwrap());
- let reencoded_offer = offer.to_string();
- dbg!(reencoded_offer.parse::<Offer>().unwrap());
- assert_eq!(reencoded_offer, encoded_offer);
- }
-
#[test]
fn parses_bech32_encoded_offers() {
let offers = [
- // BOLT 12 test vectors
- "lno1pqps7sjqpgtyzm3qv4uxzmtsd3jjqer9wd3hy6tsw35k7msjzfpy7nz5yqcnygrfdej82um5wf5k2uckyypwa3eyt44h6txtxquqh7lz5djge4afgfjn7k4rgrkuag0jsd5xvxg",
- "l+no1pqps7sjqpgtyzm3qv4uxzmtsd3jjqer9wd3hy6tsw35k7msjzfpy7nz5yqcnygrfdej82um5wf5k2uckyypwa3eyt44h6txtxquqh7lz5djge4afgfjn7k4rgrkuag0jsd5xvxg",
- "lno1pqps7sjqpgt+yzm3qv4uxzmtsd3jjqer9wd3hy6tsw3+5k7msjzfpy7nz5yqcn+ygrfdej82um5wf5k2uckyypwa3eyt44h6txtxquqh7lz5djge4afgfjn7k4rgrkuag0jsd+5xvxg",
- "lno1pqps7sjqpgt+ yzm3qv4uxzmtsd3jjqer9wd3hy6tsw3+ 5k7msjzfpy7nz5yqcn+\nygrfdej82um5wf5k2uckyypwa3eyt44h6txtxquqh7lz5djge4afgfjn7k4rgrkuag0jsd+\r\n 5xvxg",
+ // Minimal bolt12 offer
+ "lno1pgx9getnwss8vetrw3hhyuckyypwa3eyt44h6txtxquqh7lz5djge4afgfjn7k4rgrkuag0jsd5xvxg",
+
+ // for testnet
+ "lno1qgsyxjtl6luzd9t3pr62xr7eemp6awnejusgf6gw45q75vcfqqqqqqq2p32x2um5ypmx2cm5dae8x93pqthvwfzadd7jejes8q9lhc4rvjxd022zv5l44g6qah82ru5rdpnpj",
+
+ // for bitcoin (redundant)
+ "lno1qgsxlc5vp2m0rvmjcxn2y34wv0m5lyc7sdj7zksgn35dvxgqqqqqqqq2p32x2um5ypmx2cm5dae8x93pqthvwfzadd7jejes8q9lhc4rvjxd022zv5l44g6qah82ru5rdpnpj",
+
+ // for bitcoin or liquidv1
+ "lno1qfqpge38tqmzyrdjj3x2qkdr5y80dlfw56ztq6yd9sme995g3gsxqqm0u2xq4dh3kdevrf4zg6hx8a60jv0gxe0ptgyfc6xkryqqqqqqqq9qc4r9wd6zqan9vd6x7unnzcss9mk8y3wkklfvevcrszlmu23kfrxh49px20665dqwmn4p72pksese",
+
+ // with metadata
+ "lno1qsgqqqqqqqqqqqqqqqqqqqqqqqqqqzsv23jhxapqwejkxar0wfe3vggzamrjghtt05kvkvpcp0a79gmy3nt6jsn98ad2xs8de6sl9qmgvcvs",
+
+ // with amount
+ "lno1pqpzwyq2p32x2um5ypmx2cm5dae8x93pqthvwfzadd7jejes8q9lhc4rvjxd022zv5l44g6qah82ru5rdpnpj",
+
+ // with currency
+ "lno1qcp4256ypqpzwyq2p32x2um5ypmx2cm5dae8x93pqthvwfzadd7jejes8q9lhc4rvjxd022zv5l44g6qah82ru5rdpnpj",
+
+ // with expiry
+ "lno1pgx9getnwss8vetrw3hhyucwq3ay997czcss9mk8y3wkklfvevcrszlmu23kfrxh49px20665dqwmn4p72pksese",
+
+ // with issuer
+ "lno1pgx9getnwss8vetrw3hhyucjy358garswvaz7tmzdak8gvfj9ehhyeeqgf85c4p3xgsxjmnyw4ehgunfv4e3vggzamrjghtt05kvkvpcp0a79gmy3nt6jsn98ad2xs8de6sl9qmgvcvs",
+
+ // with quantity
+ "lno1pgx9getnwss8vetrw3hhyuc5qyz3vggzamrjghtt05kvkvpcp0a79gmy3nt6jsn98ad2xs8de6sl9qmgvcvs",
+
+ // with unlimited (or unknown) quantity
+ "lno1pgx9getnwss8vetrw3hhyuc5qqtzzqhwcuj966ma9n9nqwqtl032xeyv6755yeflt235pmww58egx6rxry",
+
+ // with single quantity (weird but valid)
+ "lno1pgx9getnwss8vetrw3hhyuc5qyq3vggzamrjghtt05kvkvpcp0a79gmy3nt6jsn98ad2xs8de6sl9qmgvcvs",
+
+ // with feature
+ "lno1pgx9getnwss8vetrw3hhyucvp5yqqqqqqqqqqqqqqqqqqqqkyypwa3eyt44h6txtxquqh7lz5djge4afgfjn7k4rgrkuag0jsd5xvxg",
+
+ // with blinded path via Bob (0x424242...), blinding 020202...
+ "lno1pgx9getnwss8vetrw3hhyucs5ypjgef743p5fzqq9nqxh0ah7y87rzv3ud0eleps9kl2d5348hq2k8qzqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgqpqqqqqqqqqqqqqqqqqqqqqqqqqqqzqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqqzq3zyg3zyg3zyg3vggzamrjghtt05kvkvpcp0a79gmy3nt6jsn98ad2xs8de6sl9qmgvcvs",
+
+ // ... and with second blinded path via Carol (0x434343...), blinding 020202...
+ "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",
+
+ // unknown odd field
+ "lno1pgx9getnwss8vetrw3hhyuckyypwa3eyt44h6txtxquqh7lz5djge4afgfjn7k4rgrkuag0jsd5xvxfppf5x2mrvdamk7unvvs",
];
for encoded_offer in &offers {
if let Err(e) = encoded_offer.parse::<Offer>() {
}
#[test]
- fn fails_parsing_bech32_encoded_offers_with_invalid_continuations() {
- let offers = [
- // BOLT 12 test vectors
- "lno1pqps7sjqpgtyzm3qv4uxzmtsd3jjqer9wd3hy6tsw35k7msjzfpy7nz5yqcnygrfdej82um5wf5k2uckyypwa3eyt44h6txtxquqh7lz5djge4afgfjn7k4rgrkuag0jsd5xvxg+",
- "lno1pqps7sjqpgtyzm3qv4uxzmtsd3jjqer9wd3hy6tsw35k7msjzfpy7nz5yqcnygrfdej82um5wf5k2uckyypwa3eyt44h6txtxquqh7lz5djge4afgfjn7k4rgrkuag0jsd5xvxg+ ",
- "+lno1pqps7sjqpgtyzm3qv4uxzmtsd3jjqer9wd3hy6tsw35k7msjzfpy7nz5yqcnygrfdej82um5wf5k2uckyypwa3eyt44h6txtxquqh7lz5djge4afgfjn7k4rgrkuag0jsd5xvxg",
- "+ lno1pqps7sjqpgtyzm3qv4uxzmtsd3jjqer9wd3hy6tsw35k7msjzfpy7nz5yqcnygrfdej82um5wf5k2uckyypwa3eyt44h6txtxquqh7lz5djge4afgfjn7k4rgrkuag0jsd5xvxg",
- "ln++o1pqps7sjqpgtyzm3qv4uxzmtsd3jjqer9wd3hy6tsw35k7msjzfpy7nz5yqcnygrfdej82um5wf5k2uckyypwa3eyt44h6txtxquqh7lz5djge4afgfjn7k4rgrkuag0jsd5xvxg",
- ];
- for encoded_offer in &offers {
- match encoded_offer.parse::<Offer>() {
- Ok(_) => panic!("Valid offer: {}", encoded_offer),
- Err(e) => assert_eq!(e, Bolt12ParseError::InvalidContinuation),
- }
- }
+ fn fails_parsing_bech32_encoded_offers() {
+ // Malformed: fields out of order
+ assert_eq!(
+ "lno1zcssyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszpgz5znzfgdzs".parse::<Offer>(),
+ Err(Bolt12ParseError::Decode(DecodeError::InvalidValue)),
+ );
- }
+ // Malformed: unknown even TLV type 78
+ assert_eq!(
+ "lno1pgz5znzfgdz3vggzqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpysgr0u2xq4dh3kdevrf4zg6hx8a60jv0gxe0ptgyfc6xkryqqqqqqqq".parse::<Offer>(),
+ Err(Bolt12ParseError::Decode(DecodeError::UnknownRequiredFeature)),
+ );
- #[test]
- fn fails_parsing_bech32_encoded_offer_with_invalid_hrp() {
- let encoded_offer = "lni1pqps7sjqpgtyzm3qv4uxzmtsd3jjqer9wd3hy6tsw35k7msjzfpy7nz5yqcnygrfdej82um5wf5k2uckyypwa3eyt44h6txtxquqh7lz5djge4afgfjn7k4rgrkuag0jsd5xvxg";
- match encoded_offer.parse::<Offer>() {
- Ok(_) => panic!("Valid offer: {}", encoded_offer),
- Err(e) => assert_eq!(e, Bolt12ParseError::InvalidBech32Hrp),
- }
- }
+ // Malformed: empty
+ assert_eq!(
+ "lno1".parse::<Offer>(),
+ Err(Bolt12ParseError::InvalidSemantics(Bolt12SemanticError::MissingDescription)),
+ );
- #[test]
- fn fails_parsing_bech32_encoded_offer_with_invalid_bech32_data() {
- let encoded_offer = "lno1pqps7sjqpgtyzm3qv4uxzmtsd3jjqer9wd3hy6tsw35k7msjzfpy7nz5yqcnygrfdej82um5wf5k2uckyypwa3eyt44h6txtxquqh7lz5djge4afgfjn7k4rgrkuag0jsd5xvxo";
- match encoded_offer.parse::<Offer>() {
- Ok(_) => panic!("Valid offer: {}", encoded_offer),
- Err(e) => assert_eq!(e, Bolt12ParseError::Bech32(bech32::Error::InvalidChar('o'))),
- }
- }
+ // Malformed: truncated at type
+ assert_eq!(
+ "lno1pg".parse::<Offer>(),
+ Err(Bolt12ParseError::Decode(DecodeError::ShortRead)),
+ );
- #[test]
- fn fails_parsing_bech32_encoded_offer_with_invalid_tlv_data() {
- let encoded_offer = "lno1pqps7sjqpgtyzm3qv4uxzmtsd3jjqer9wd3hy6tsw35k7msjzfpy7nz5yqcnygrfdej82um5wf5k2uckyypwa3eyt44h6txtxquqh7lz5djge4afgfjn7k4rgrkuag0jsd5xvxgqqqqq";
- match encoded_offer.parse::<Offer>() {
- Ok(_) => panic!("Valid offer: {}", encoded_offer),
- Err(e) => assert_eq!(e, Bolt12ParseError::Decode(DecodeError::InvalidValue)),
- }
+ // Malformed: truncated in length
+ assert_eq!(
+ "lno1pt7s".parse::<Offer>(),
+ Err(Bolt12ParseError::Decode(DecodeError::ShortRead)),
+ );
+
+ // Malformed: truncated after length
+ assert_eq!(
+ "lno1pgpq".parse::<Offer>(),
+ Err(Bolt12ParseError::Decode(DecodeError::ShortRead)),
+ );
+
+ // Malformed: truncated in description
+ assert_eq!(
+ "lno1pgpyz".parse::<Offer>(),
+ Err(Bolt12ParseError::Decode(DecodeError::ShortRead)),
+ );
+
+ // Malformed: invalid offer_chains length
+ assert_eq!(
+ "lno1qgqszzs9g9xyjs69zcssyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqsz".parse::<Offer>(),
+ Err(Bolt12ParseError::Decode(DecodeError::ShortRead)),
+ );
+
+ // Malformed: truncated currency UTF-8
+ assert_eq!(
+ "lno1qcqcqzs9g9xyjs69zcssyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqsz".parse::<Offer>(),
+ Err(Bolt12ParseError::Decode(DecodeError::ShortRead)),
+ );
+
+ // Malformed: invalid currency UTF-8
+ assert_eq!(
+ "lno1qcpgqsg2q4q5cj2rg5tzzqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqg".parse::<Offer>(),
+ Err(Bolt12ParseError::Decode(DecodeError::ShortRead)),
+ );
+
+ // Malformed: truncated description UTF-8
+ assert_eq!(
+ "lno1pgqcq93pqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqy".parse::<Offer>(),
+ Err(Bolt12ParseError::Decode(DecodeError::InvalidValue)),
+ );
+
+ // Malformed: invalid description UTF-8
+ assert_eq!(
+ "lno1pgpgqsgkyypqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqs".parse::<Offer>(),
+ Err(Bolt12ParseError::Decode(DecodeError::InvalidValue)),
+ );
+
+ // Malformed: truncated offer_paths
+ assert_eq!(
+ "lno1pgz5znzfgdz3qqgpzcssyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqsz".parse::<Offer>(),
+ Err(Bolt12ParseError::Decode(DecodeError::ShortRead)),
+ );
+
+ // Malformed: zero num_hops in blinded_path
+ assert_eq!(
+ "lno1pgz5znzfgdz3qqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqsqzcssyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqsz".parse::<Offer>(),
+ Err(Bolt12ParseError::Decode(DecodeError::ShortRead)),
+ );
+
+ // Malformed: truncated onionmsg_hop in blinded_path
+ assert_eq!(
+ "lno1pgz5znzfgdz3qqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqspqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqgkyypqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqs".parse::<Offer>(),
+ Err(Bolt12ParseError::Decode(DecodeError::ShortRead)),
+ );
+
+ // Malformed: bad first_node_id in blinded_path
+ assert_eq!(
+ "lno1pgz5znzfgdz3qqcrqvpsxqcrqvpsxqcrqvpsxqcrqvpsxqcrqvpsxqcrqvpsxqcrqvpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqspqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqgqzcssyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqsz".parse::<Offer>(),
+ Err(Bolt12ParseError::Decode(DecodeError::ShortRead)),
+ );
+
+ // Malformed: bad blinding in blinded_path
+ assert_eq!(
+ "lno1pgz5znzfgdz3qqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpsxqcrqvpsxqcrqvpsxqcrqvpsxqcrqvpsxqcrqvpsxqcrqvpsxqcpqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqgqzcssyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqsz".parse::<Offer>(),
+ Err(Bolt12ParseError::Decode(DecodeError::ShortRead)),
+ );
+
+ // Malformed: bad blinded_node_id in onionmsg_hop
+ assert_eq!(
+ "lno1pgz5znzfgdz3qqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqspqvpsxqcrqvpsxqcrqvpsxqcrqvpsxqcrqvpsxqcrqvpsxqcrqvpsxqgqzcssyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqsz".parse::<Offer>(),
+ Err(Bolt12ParseError::Decode(DecodeError::ShortRead)),
+ );
+
+ // Malformed: truncated issuer UTF-8
+ assert_eq!(
+ "lno1pgz5znzfgdz3yqvqzcssyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqsz".parse::<Offer>(),
+ Err(Bolt12ParseError::Decode(DecodeError::InvalidValue)),
+ );
+
+ // Malformed: invalid issuer UTF-8
+ assert_eq!(
+ "lno1pgz5znzfgdz3yq5qgytzzqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqg".parse::<Offer>(),
+ Err(Bolt12ParseError::Decode(DecodeError::InvalidValue)),
+ );
+
+ // Malformed: invalid offer_node_id
+ assert_eq!(
+ "lno1pgz5znzfgdz3vggzqvpsxqcrqvpsxqcrqvpsxqcrqvpsxqcrqvpsxqcrqvpsxqcrqvps".parse::<Offer>(),
+ Err(Bolt12ParseError::Decode(DecodeError::InvalidValue)),
+ );
+
+ // Contains type >= 80
+ assert_eq!(
+ "lno1pgz5znzfgdz3vggzqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgp9qgr0u2xq4dh3kdevrf4zg6hx8a60jv0gxe0ptgyfc6xkryqqqqqqqq".parse::<Offer>(),
+ Err(Bolt12ParseError::Decode(DecodeError::InvalidValue)),
+ );
+
+ // TODO: Resolved in spec https://github.com/lightning/bolts/pull/798/files#r1334851959
+ // Contains unknown feature 22
+ assert!(
+ "lno1pgx9getnwss8vetrw3hhyucvqdqqqqqkyypwa3eyt44h6txtxquqh7lz5djge4afgfjn7k4rgrkuag0jsd5xvxg".parse::<Offer>().is_ok()
+ );
+
+ // Missing offer_description
+ assert_eq!(
+ "lno1zcss9mk8y3wkklfvevcrszlmu23kfrxh49px20665dqwmn4p72pksese".parse::<Offer>(),
+ Err(Bolt12ParseError::InvalidSemantics(Bolt12SemanticError::MissingDescription)),
+ );
+
+ // Missing offer_node_id"
+ assert_eq!(
+ "lno1pgx9getnwss8vetrw3hhyuc".parse::<Offer>(),
+ Err(Bolt12ParseError::InvalidSemantics(Bolt12SemanticError::MissingSigningPubkey)),
+ );
}
}
projects / rust-lightning / blobdiff