-// Prefix these with `rustdoc::` when we update our MSRV to be >= 1.52 to remove warnings.
-#![deny(broken_intra_doc_links)]
-#![deny(private_intra_doc_links)]
+#![deny(rustdoc::broken_intra_doc_links)]
+#![deny(rustdoc::private_intra_doc_links)]
#![deny(missing_docs)]
#![deny(non_upper_case_globals)]
//! invoices and functions to create, encode and decode these. If you just want to use the standard
//! en-/decoding functionality this should get you started:
//!
-//! * For parsing use `str::parse::<Invoice>(&self)` (see the docs of `impl FromStr for Invoice`)
-//! * For constructing invoices use the `InvoiceBuilder`
-//! * For serializing invoices use the `Display`/`ToString` traits
+//! * For parsing use `str::parse::<Bolt11Invoice>(&self)` (see [`Bolt11Invoice::from_str`])
+//! * For constructing invoices use the [`InvoiceBuilder`]
+//! * For serializing invoices use the [`Display`]/[`ToString`] traits
+//!
+//! [`Bolt11Invoice::from_str`]: crate::Bolt11Invoice#impl-FromStr
#[cfg(not(any(feature = "std", feature = "no-std")))]
compile_error!("at least one of the `std` or `no-std` features must be enabled");
pub mod payment;
pub mod utils;
-pub(crate) mod time_utils;
-
extern crate bech32;
-extern crate bitcoin_hashes;
#[macro_use] extern crate lightning;
-extern crate num_traits;
extern crate secp256k1;
extern crate alloc;
#[cfg(any(test, feature = "std"))]
use std::time::SystemTime;
use bech32::u5;
-use bitcoin_hashes::Hash;
-use bitcoin_hashes::sha256;
-use lightning::ln::PaymentSecret;
-use lightning::ln::features::InvoiceFeatures;
-#[cfg(any(doc, test))]
-use lightning::routing::gossip::RoutingFees;
-use lightning::routing::router::RouteHint;
+use bitcoin::{Address, Network, PubkeyHash, ScriptHash, WitnessProgram, WitnessVersion};
+use bitcoin::address::Payload;
+use bitcoin::hashes::{Hash, sha256};
+use lightning::ln::features::Bolt11InvoiceFeatures;
use lightning::util::invoice::construct_invoice_preimage;
use secp256k1::PublicKey;
use secp256k1::{Message, Secp256k1};
use secp256k1::ecdsa::RecoverableSignature;
+use core::cmp::Ordering;
use core::fmt::{Display, Formatter, self};
use core::iter::FilterMap;
use core::num::ParseIntError;
#[cfg(feature = "serde")]
use serde::{Deserialize, Deserializer,Serialize, Serializer, de::Error};
+#[doc(no_inline)]
+pub use lightning::ln::types::PaymentSecret;
+#[doc(no_inline)]
+pub use lightning::routing::router::{RouteHint, RouteHintHop};
+#[doc(no_inline)]
+pub use lightning::routing::gossip::RoutingFees;
+use lightning::util::string::UntrustedString;
+
mod de;
mod ser;
mod tb;
+#[allow(unused_imports)]
mod prelude {
- #[cfg(feature = "hashbrown")]
- extern crate hashbrown;
-
- pub use alloc::{vec, vec::Vec, string::String, collections::VecDeque, boxed::Box};
- #[cfg(not(feature = "hashbrown"))]
- pub use std::collections::{HashMap, HashSet, hash_map};
- #[cfg(feature = "hashbrown")]
- pub use self::hashbrown::{HashMap, HashSet, hash_map};
+ pub use alloc::{vec, vec::Vec, string::String};
pub use alloc::string::ToString;
}
use crate::prelude::*;
-/// Sync compat for std/no_std
-#[cfg(feature = "std")]
-mod sync {
- pub use ::std::sync::{Mutex, MutexGuard};
-}
-
-/// Sync compat for std/no_std
-#[cfg(not(feature = "std"))]
-mod sync;
-
/// Errors that indicate what is wrong with the invoice. They have some granularity for debug
/// reasons, but should generally result in an "invalid BOLT11 invoice" message for the user.
#[allow(missing_docs)]
#[derive(PartialEq, Eq, Debug, Clone)]
-pub enum ParseError {
+pub enum Bolt11ParseError {
Bech32Error(bech32::Error),
ParseAmountError(ParseIntError),
MalformedSignature(secp256k1::Error),
#[derive(PartialEq, Eq, Debug, Clone)]
pub enum ParseOrSemanticError {
/// The invoice couldn't be decoded
- ParseError(ParseError),
+ ParseError(Bolt11ParseError),
/// The invoice could be decoded but violates the BOLT11 standard
- SemanticError(crate::SemanticError),
+ SemanticError(crate::Bolt11SemanticError),
}
/// The number of bits used to represent timestamps as defined in BOLT 11.
/// [`MIN_FINAL_CLTV_EXPIRY_DELTA`]: lightning::ln::channelmanager::MIN_FINAL_CLTV_EXPIRY_DELTA
pub const DEFAULT_MIN_FINAL_CLTV_EXPIRY_DELTA: u64 = 18;
-/// Builder for `Invoice`s. It's the most convenient and advised way to use this library. It ensures
-/// that only a semantically and syntactically correct Invoice can be built using it.
+/// Builder for [`Bolt11Invoice`]s. It's the most convenient and advised way to use this library. It
+/// ensures that only a semantically and syntactically correct invoice can be built using it.
///
/// ```
/// extern crate secp256k1;
/// extern crate lightning;
/// extern crate lightning_invoice;
-/// extern crate bitcoin_hashes;
+/// extern crate bitcoin;
///
-/// use bitcoin_hashes::Hash;
-/// use bitcoin_hashes::sha256;
+/// use bitcoin::hashes::Hash;
+/// use bitcoin::hashes::sha256;
///
/// use secp256k1::Secp256k1;
/// use secp256k1::SecretKey;
///
-/// use lightning::ln::PaymentSecret;
+/// use lightning::ln::types::PaymentSecret;
///
/// use lightning_invoice::{Currency, InvoiceBuilder};
///
/// # Type parameters
/// The two parameters `D` and `H` signal if the builder already contains the correct amount of the
/// given field:
-/// * `D`: exactly one `Description` or `DescriptionHash`
-/// * `H`: exactly one `PaymentHash`
+/// * `D`: exactly one [`TaggedField::Description`] or [`TaggedField::DescriptionHash`]
+/// * `H`: exactly one [`TaggedField::PaymentHash`]
/// * `T`: the timestamp is set
+/// * `C`: the CLTV expiry is set
+/// * `S`: the payment secret is set
+/// * `M`: payment metadata is set
///
-/// (C-not exported) as we likely need to manually select one set of boolean type parameters.
+/// This is not exported to bindings users as we likely need to manually select one set of boolean type parameters.
#[derive(Eq, PartialEq, Debug, Clone)]
-pub struct InvoiceBuilder<D: tb::Bool, H: tb::Bool, T: tb::Bool, C: tb::Bool, S: tb::Bool> {
+pub struct InvoiceBuilder<D: tb::Bool, H: tb::Bool, T: tb::Bool, C: tb::Bool, S: tb::Bool, M: tb::Bool> {
currency: Currency,
amount: Option<u64>,
si_prefix: Option<SiPrefix>,
phantom_t: core::marker::PhantomData<T>,
phantom_c: core::marker::PhantomData<C>,
phantom_s: core::marker::PhantomData<S>,
+ phantom_m: core::marker::PhantomData<M>,
}
/// Represents a syntactically and semantically correct lightning BOLT11 invoice.
///
-/// There are three ways to construct an `Invoice`:
-/// 1. using `InvoiceBuilder`
-/// 2. using `Invoice::from_signed(SignedRawInvoice)`
-/// 3. using `str::parse::<Invoice>(&str)`
-#[derive(Eq, PartialEq, Debug, Clone, Hash)]
-pub struct Invoice {
- signed_invoice: SignedRawInvoice,
+/// There are three ways to construct a `Bolt11Invoice`:
+/// 1. using [`InvoiceBuilder`]
+/// 2. using [`Bolt11Invoice::from_signed`]
+/// 3. using `str::parse::<Bolt11Invoice>(&str)` (see [`Bolt11Invoice::from_str`])
+///
+/// [`Bolt11Invoice::from_str`]: crate::Bolt11Invoice#impl-FromStr
+#[derive(Eq, PartialEq, Debug, Clone, Hash, Ord, PartialOrd)]
+pub struct Bolt11Invoice {
+ signed_invoice: SignedRawBolt11Invoice,
}
/// Represents the description of an invoice which has to be either a directly included string or
/// a hash of a description provided out of band.
///
-/// (C-not exported) As we don't have a good way to map the reference lifetimes making this
+/// This is not exported to bindings users as we don't have a good way to map the reference lifetimes making this
/// practically impossible to use safely in languages like C.
-#[derive(Eq, PartialEq, Debug, Clone)]
-pub enum InvoiceDescription<'f> {
+#[derive(Eq, PartialEq, Debug, Clone, Ord, PartialOrd)]
+pub enum Bolt11InvoiceDescription<'f> {
/// Reference to the directly supplied description in the invoice
Direct(&'f Description),
Hash(&'f Sha256),
}
-/// Represents a signed `RawInvoice` with cached hash. The signature is not checked and may be
+impl<'f> Display for Bolt11InvoiceDescription<'f> {
+ fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
+ match self {
+ Bolt11InvoiceDescription::Direct(desc) => write!(f, "{}", desc.0),
+ Bolt11InvoiceDescription::Hash(hash) => write!(f, "{}", hash.0),
+ }
+ }
+}
+
+/// Represents a signed [`RawBolt11Invoice`] with cached hash. The signature is not checked and may be
/// invalid.
///
/// # Invariants
-/// The hash has to be either from the deserialized invoice or from the serialized `raw_invoice`.
-#[derive(Eq, PartialEq, Debug, Clone, Hash)]
-pub struct SignedRawInvoice {
- /// The rawInvoice that the signature belongs to
- raw_invoice: RawInvoice,
+/// The hash has to be either from the deserialized invoice or from the serialized [`RawBolt11Invoice`].
+#[derive(Eq, PartialEq, Debug, Clone, Hash, Ord, PartialOrd)]
+pub struct SignedRawBolt11Invoice {
+ /// The raw invoice that the signature belongs to
+ raw_invoice: RawBolt11Invoice,
- /// Hash of the `RawInvoice` that will be used to check the signature.
+ /// Hash of the [`RawBolt11Invoice`] that will be used to check the signature.
///
- /// * if the `SignedRawInvoice` was deserialized the hash is of from the original encoded form,
+ /// * if the `SignedRawBolt11Invoice` was deserialized the hash is of from the original encoded form,
/// since it's not guaranteed that encoding it again will lead to the same result since integers
/// could have been encoded with leading zeroes etc.
- /// * if the `SignedRawInvoice` was constructed manually the hash will be the calculated hash
- /// from the `RawInvoice`
+ /// * if the `SignedRawBolt11Invoice` was constructed manually the hash will be the calculated hash
+ /// from the [`RawBolt11Invoice`]
hash: [u8; 32],
/// signature of the payment request
- signature: InvoiceSignature,
+ signature: Bolt11InvoiceSignature,
}
-/// Represents an syntactically correct Invoice for a payment on the lightning network,
+/// Represents an syntactically correct [`Bolt11Invoice`] for a payment on the lightning network,
/// but without the signature information.
-/// De- and encoding should not lead to information loss but may lead to different hashes.
+/// Decoding and encoding should not lead to information loss but may lead to different hashes.
///
-/// For methods without docs see the corresponding methods in `Invoice`.
-#[derive(Eq, PartialEq, Debug, Clone, Hash)]
-pub struct RawInvoice {
+/// For methods without docs see the corresponding methods in [`Bolt11Invoice`].
+#[derive(Eq, PartialEq, Debug, Clone, Hash, Ord, PartialOrd)]
+pub struct RawBolt11Invoice {
/// human readable part
pub hrp: RawHrp,
pub data: RawDataPart,
}
-/// Data of the `RawInvoice` that is encoded in the human readable part
+/// Data of the [`RawBolt11Invoice`] that is encoded in the human readable part.
///
-/// (C-not exported) As we don't yet support `Option<Enum>`
-#[derive(Eq, PartialEq, Debug, Clone, Hash)]
+/// This is not exported to bindings users as we don't yet support `Option<Enum>`
+#[derive(Eq, PartialEq, Debug, Clone, Hash, Ord, PartialOrd)]
pub struct RawHrp {
/// The currency deferred from the 3rd and 4th character of the bech32 transaction
pub currency: Currency,
pub si_prefix: Option<SiPrefix>,
}
-/// Data of the `RawInvoice` that is encoded in the data part
-#[derive(Eq, PartialEq, Debug, Clone, Hash)]
+/// Data of the [`RawBolt11Invoice`] that is encoded in the data part
+#[derive(Eq, PartialEq, Debug, Clone, Hash, Ord, PartialOrd)]
pub struct RawDataPart {
/// generation time of the invoice
pub timestamp: PositiveTimestamp,
///
/// The Unix timestamp representing the stored time has to be positive and no greater than
/// [`MAX_TIMESTAMP`].
-#[derive(Eq, PartialEq, Debug, Clone, Hash)]
+#[derive(Eq, PartialEq, Debug, Clone, Hash, Ord, PartialOrd)]
pub struct PositiveTimestamp(Duration);
/// SI prefixes for the human readable part
-#[derive(Eq, PartialEq, Debug, Clone, Copy, Hash)]
+#[derive(Eq, PartialEq, Debug, Clone, Copy, Hash, Ord, PartialOrd)]
pub enum SiPrefix {
/// 10^-3
Milli,
/// Returns all enum variants of `SiPrefix` sorted in descending order of their associated
/// multiplier.
///
- /// (C-not exported) As we don't yet support a slice of enums, and also because this function
+ /// This is not exported to bindings users as we don't yet support a slice of enums, and also because this function
/// isn't the most critical to expose.
pub fn values_desc() -> &'static [SiPrefix] {
use crate::SiPrefix::*;
}
/// Enum representing the crypto currencies (or networks) supported by this library
-#[derive(Clone, Debug, Hash, Eq, PartialEq)]
+#[derive(Clone, Debug, Hash, Eq, PartialEq, Ord, PartialOrd)]
pub enum Currency {
/// Bitcoin mainnet
Bitcoin,
Signet,
}
+impl From<Network> for Currency {
+ fn from(network: Network) -> Self {
+ match network {
+ Network::Bitcoin => Currency::Bitcoin,
+ Network::Testnet => Currency::BitcoinTestnet,
+ Network::Regtest => Currency::Regtest,
+ Network::Signet => Currency::Signet,
+ _ => {
+ debug_assert!(false, "Need to handle new rust-bitcoin network type");
+ Currency::Regtest
+ },
+ }
+ }
+}
+
+impl From<Currency> for Network {
+ fn from(currency: Currency) -> Self {
+ match currency {
+ Currency::Bitcoin => Network::Bitcoin,
+ Currency::BitcoinTestnet => Network::Testnet,
+ Currency::Regtest => Network::Regtest,
+ Currency::Simnet => Network::Regtest,
+ Currency::Signet => Network::Signet,
+ }
+ }
+}
+
/// Tagged field which may have an unknown tag
///
-/// (C-not exported) as we don't currently support TaggedField
-#[derive(Clone, Debug, Hash, Eq, PartialEq)]
+/// This is not exported to bindings users as we don't currently support TaggedField
+#[derive(Clone, Debug, Hash, Eq, PartialEq, Ord, PartialOrd)]
pub enum RawTaggedField {
/// Parsed tagged field with known tag
KnownSemantics(TaggedField),
///
/// For descriptions of the enum values please refer to the enclosed type's docs.
///
-/// (C-not exported) As we don't yet support enum variants with the same name the struct contained
+/// This is not exported to bindings users as we don't yet support enum variants with the same name the struct contained
/// in the variant.
#[allow(missing_docs)]
-#[derive(Clone, Debug, Hash, Eq, PartialEq)]
+#[derive(Clone, Debug, Hash, Eq, PartialEq, Ord, PartialOrd)]
pub enum TaggedField {
PaymentHash(Sha256),
Description(Description),
Fallback(Fallback),
PrivateRoute(PrivateRoute),
PaymentSecret(PaymentSecret),
- Features(InvoiceFeatures),
+ PaymentMetadata(Vec<u8>),
+ Features(Bolt11InvoiceFeatures),
}
/// SHA-256 hash
-#[derive(Clone, Debug, Hash, Eq, PartialEq)]
-pub struct Sha256(/// (C-not exported) as the native hash types are not currently mapped
+#[derive(Clone, Debug, Hash, Eq, PartialEq, Ord, PartialOrd)]
+pub struct Sha256(/// This is not exported to bindings users as the native hash types are not currently mapped
pub sha256::Hash);
+impl Sha256 {
+ /// Constructs a new [`Sha256`] from the given bytes, which are assumed to be the output of a
+ /// single sha256 hash.
+ #[cfg(c_bindings)]
+ pub fn from_bytes(bytes: &[u8; 32]) -> Self {
+ Self(sha256::Hash::from_slice(bytes).expect("from_slice only fails if len is not 32"))
+ }
+}
+
/// Description string
///
/// # Invariants
/// The description can be at most 639 __bytes__ long
-#[derive(Clone, Debug, Hash, Eq, PartialEq)]
-pub struct Description(String);
+#[derive(Clone, Debug, Hash, Eq, PartialEq, Ord, PartialOrd, Default)]
+pub struct Description(UntrustedString);
/// Payee public key
-#[derive(Clone, Debug, Hash, Eq, PartialEq)]
+#[derive(Clone, Debug, Hash, Eq, PartialEq, Ord, PartialOrd)]
pub struct PayeePubKey(pub PublicKey);
/// Positive duration that defines when (relatively to the timestamp) in the future the invoice
/// expires
-#[derive(Clone, Debug, Hash, Eq, PartialEq)]
+#[derive(Clone, Debug, Hash, Eq, PartialEq, Ord, PartialOrd)]
pub struct ExpiryTime(Duration);
/// `min_final_cltv_expiry_delta` to use for the last HTLC in the route
-#[derive(Clone, Debug, Hash, Eq, PartialEq)]
+#[derive(Clone, Debug, Hash, Eq, PartialEq, Ord, PartialOrd)]
pub struct MinFinalCltvExpiryDelta(pub u64);
-// TODO: better types instead onf byte arrays
/// Fallback address in case no LN payment is possible
#[allow(missing_docs)]
-#[derive(Clone, Debug, Hash, Eq, PartialEq)]
+#[derive(Clone, Debug, Hash, Eq, PartialEq, Ord, PartialOrd)]
pub enum Fallback {
SegWitProgram {
- version: u5,
+ version: WitnessVersion,
program: Vec<u8>,
},
- PubKeyHash([u8; 20]),
- ScriptHash([u8; 20]),
+ PubKeyHash(PubkeyHash),
+ ScriptHash(ScriptHash),
}
/// Recoverable signature
#[derive(Clone, Debug, Hash, Eq, PartialEq)]
-pub struct InvoiceSignature(pub RecoverableSignature);
+pub struct Bolt11InvoiceSignature(pub RecoverableSignature);
+
+impl PartialOrd for Bolt11InvoiceSignature {
+ fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
+ Some(self.cmp(other))
+ }
+}
+
+impl Ord for Bolt11InvoiceSignature {
+ fn cmp(&self, other: &Self) -> Ordering {
+ self.0.serialize_compact().1.cmp(&other.0.serialize_compact().1)
+ }
+}
/// Private routing information
///
/// # Invariants
/// The encoded route has to be <1024 5bit characters long (<=639 bytes or <=12 hops)
///
-#[derive(Clone, Debug, Hash, Eq, PartialEq)]
+#[derive(Clone, Debug, Hash, Eq, PartialEq, Ord, PartialOrd)]
pub struct PrivateRoute(RouteHint);
/// Tag constants as specified in BOLT11
pub const TAG_FALLBACK: u8 = 9;
pub const TAG_PRIVATE_ROUTE: u8 = 3;
pub const TAG_PAYMENT_SECRET: u8 = 16;
+ pub const TAG_PAYMENT_METADATA: u8 = 27;
pub const TAG_FEATURES: u8 = 5;
}
-impl InvoiceBuilder<tb::False, tb::False, tb::False, tb::False, tb::False> {
+impl InvoiceBuilder<tb::False, tb::False, tb::False, tb::False, tb::False, tb::False> {
/// Construct new, empty `InvoiceBuilder`. All necessary fields have to be filled first before
/// `InvoiceBuilder::build(self)` becomes available.
- pub fn new(currrency: Currency) -> Self {
+ pub fn new(currency: Currency) -> Self {
InvoiceBuilder {
- currency: currrency,
+ currency,
amount: None,
si_prefix: None,
timestamp: None,
- tagged_fields: Vec::new(),
+ tagged_fields: Vec::with_capacity(8),
error: None,
phantom_d: core::marker::PhantomData,
phantom_t: core::marker::PhantomData,
phantom_c: core::marker::PhantomData,
phantom_s: core::marker::PhantomData,
+ phantom_m: core::marker::PhantomData,
}
}
}
-impl<D: tb::Bool, H: tb::Bool, T: tb::Bool, C: tb::Bool, S: tb::Bool> InvoiceBuilder<D, H, T, C, S> {
+impl<D: tb::Bool, H: tb::Bool, T: tb::Bool, C: tb::Bool, S: tb::Bool, M: tb::Bool> InvoiceBuilder<D, H, T, C, S, M> {
/// Helper function to set the completeness flags.
- fn set_flags<DN: tb::Bool, HN: tb::Bool, TN: tb::Bool, CN: tb::Bool, SN: tb::Bool>(self) -> InvoiceBuilder<DN, HN, TN, CN, SN> {
- InvoiceBuilder::<DN, HN, TN, CN, SN> {
+ fn set_flags<DN: tb::Bool, HN: tb::Bool, TN: tb::Bool, CN: tb::Bool, SN: tb::Bool, MN: tb::Bool>(self) -> InvoiceBuilder<DN, HN, TN, CN, SN, MN> {
+ InvoiceBuilder::<DN, HN, TN, CN, SN, MN> {
currency: self.currency,
amount: self.amount,
si_prefix: self.si_prefix,
phantom_t: core::marker::PhantomData,
phantom_c: core::marker::PhantomData,
phantom_s: core::marker::PhantomData,
+ phantom_m: core::marker::PhantomData,
}
}
/// Sets the amount in millisatoshis. The optimal SI prefix is chosen automatically.
pub fn amount_milli_satoshis(mut self, amount_msat: u64) -> Self {
- let amount = amount_msat * 10; // Invoices are denominated in "pico BTC"
+ let amount = match amount_msat.checked_mul(10) { // Invoices are denominated in "pico BTC"
+ Some(amt) => amt,
+ None => {
+ self.error = Some(CreationError::InvalidAmount);
+ return self
+ }
+ };
let biggest_possible_si_prefix = SiPrefix::values_desc()
.iter()
.find(|prefix| amount % prefix.multiplier() == 0)
}
}
-impl<D: tb::Bool, H: tb::Bool, C: tb::Bool, S: tb::Bool> InvoiceBuilder<D, H, tb::True, C, S> {
- /// Builds a `RawInvoice` if no `CreationError` occurred while construction any of the fields.
- pub fn build_raw(self) -> Result<RawInvoice, CreationError> {
+impl<D: tb::Bool, H: tb::Bool, C: tb::Bool, S: tb::Bool, M: tb::Bool> InvoiceBuilder<D, H, tb::True, C, S, M> {
+ /// Builds a [`RawBolt11Invoice`] if no [`CreationError`] occurred while construction any of the
+ /// fields.
+ pub fn build_raw(self) -> Result<RawBolt11Invoice, CreationError> {
// If an error occurred at any time before, return it now
if let Some(e) = self.error {
tagged_fields,
};
- Ok(RawInvoice {
+ Ok(RawBolt11Invoice {
hrp,
data,
})
}
}
-impl<H: tb::Bool, T: tb::Bool, C: tb::Bool, S: tb::Bool> InvoiceBuilder<tb::False, H, T, C, S> {
+impl<H: tb::Bool, T: tb::Bool, C: tb::Bool, S: tb::Bool, M: tb::Bool> InvoiceBuilder<tb::False, H, T, C, S, M> {
/// Set the description. This function is only available if no description (hash) was set.
- pub fn description(mut self, description: String) -> InvoiceBuilder<tb::True, H, T, C, S> {
+ pub fn description(mut self, description: String) -> InvoiceBuilder<tb::True, H, T, C, S, M> {
match Description::new(description) {
Ok(d) => self.tagged_fields.push(TaggedField::Description(d)),
Err(e) => self.error = Some(e),
}
/// Set the description hash. This function is only available if no description (hash) was set.
- pub fn description_hash(mut self, description_hash: sha256::Hash) -> InvoiceBuilder<tb::True, H, T, C, S> {
+ pub fn description_hash(mut self, description_hash: sha256::Hash) -> InvoiceBuilder<tb::True, H, T, C, S, M> {
self.tagged_fields.push(TaggedField::DescriptionHash(Sha256(description_hash)));
self.set_flags()
}
+
+ /// Set the description or description hash. This function is only available if no description (hash) was set.
+ pub fn invoice_description(self, description: Bolt11InvoiceDescription) -> InvoiceBuilder<tb::True, H, T, C, S, M> {
+ match description {
+ Bolt11InvoiceDescription::Direct(desc) => {
+ self.description(desc.clone().into_inner().0)
+ }
+ Bolt11InvoiceDescription::Hash(hash) => {
+ self.description_hash(hash.0)
+ }
+ }
+ }
}
-impl<D: tb::Bool, T: tb::Bool, C: tb::Bool, S: tb::Bool> InvoiceBuilder<D, tb::False, T, C, S> {
+impl<D: tb::Bool, T: tb::Bool, C: tb::Bool, S: tb::Bool, M: tb::Bool> InvoiceBuilder<D, tb::False, T, C, S, M> {
/// Set the payment hash. This function is only available if no payment hash was set.
- pub fn payment_hash(mut self, hash: sha256::Hash) -> InvoiceBuilder<D, tb::True, T, C, S> {
+ pub fn payment_hash(mut self, hash: sha256::Hash) -> InvoiceBuilder<D, tb::True, T, C, S, M> {
self.tagged_fields.push(TaggedField::PaymentHash(Sha256(hash)));
self.set_flags()
}
}
-impl<D: tb::Bool, H: tb::Bool, C: tb::Bool, S: tb::Bool> InvoiceBuilder<D, H, tb::False, C, S> {
+impl<D: tb::Bool, H: tb::Bool, C: tb::Bool, S: tb::Bool, M: tb::Bool> InvoiceBuilder<D, H, tb::False, C, S, M> {
/// Sets the timestamp to a specific [`SystemTime`].
#[cfg(feature = "std")]
- pub fn timestamp(mut self, time: SystemTime) -> InvoiceBuilder<D, H, tb::True, C, S> {
+ pub fn timestamp(mut self, time: SystemTime) -> InvoiceBuilder<D, H, tb::True, C, S, M> {
match PositiveTimestamp::from_system_time(time) {
Ok(t) => self.timestamp = Some(t),
Err(e) => self.error = Some(e),
/// Sets the timestamp to a duration since the Unix epoch, dropping the subsecond part (which
/// is not representable in BOLT 11 invoices).
- pub fn duration_since_epoch(mut self, time: Duration) -> InvoiceBuilder<D, H, tb::True, C, S> {
+ pub fn duration_since_epoch(mut self, time: Duration) -> InvoiceBuilder<D, H, tb::True, C, S, M> {
match PositiveTimestamp::from_duration_since_epoch(time) {
Ok(t) => self.timestamp = Some(t),
Err(e) => self.error = Some(e),
/// Sets the timestamp to the current system time.
#[cfg(feature = "std")]
- pub fn current_timestamp(mut self) -> InvoiceBuilder<D, H, tb::True, C, S> {
+ pub fn current_timestamp(mut self) -> InvoiceBuilder<D, H, tb::True, C, S, M> {
let now = PositiveTimestamp::from_system_time(SystemTime::now());
self.timestamp = Some(now.expect("for the foreseeable future this shouldn't happen"));
self.set_flags()
}
}
-impl<D: tb::Bool, H: tb::Bool, T: tb::Bool, S: tb::Bool> InvoiceBuilder<D, H, T, tb::False, S> {
+impl<D: tb::Bool, H: tb::Bool, T: tb::Bool, S: tb::Bool, M: tb::Bool> InvoiceBuilder<D, H, T, tb::False, S, M> {
/// Sets `min_final_cltv_expiry_delta`.
- pub fn min_final_cltv_expiry_delta(mut self, min_final_cltv_expiry_delta: u64) -> InvoiceBuilder<D, H, T, tb::True, S> {
+ pub fn min_final_cltv_expiry_delta(mut self, min_final_cltv_expiry_delta: u64) -> InvoiceBuilder<D, H, T, tb::True, S, M> {
self.tagged_fields.push(TaggedField::MinFinalCltvExpiryDelta(MinFinalCltvExpiryDelta(min_final_cltv_expiry_delta)));
self.set_flags()
}
}
-impl<D: tb::Bool, H: tb::Bool, T: tb::Bool, C: tb::Bool> InvoiceBuilder<D, H, T, C, tb::False> {
+impl<D: tb::Bool, H: tb::Bool, T: tb::Bool, C: tb::Bool, M: tb::Bool> InvoiceBuilder<D, H, T, C, tb::False, M> {
/// Sets the payment secret and relevant features.
- pub fn payment_secret(mut self, payment_secret: PaymentSecret) -> InvoiceBuilder<D, H, T, C, tb::True> {
- let mut features = InvoiceFeatures::empty();
- features.set_variable_length_onion_required();
- features.set_payment_secret_required();
+ pub fn payment_secret(mut self, payment_secret: PaymentSecret) -> InvoiceBuilder<D, H, T, C, tb::True, M> {
+ let mut found_features = false;
+ for field in self.tagged_fields.iter_mut() {
+ if let TaggedField::Features(f) = field {
+ found_features = true;
+ f.set_variable_length_onion_required();
+ f.set_payment_secret_required();
+ }
+ }
self.tagged_fields.push(TaggedField::PaymentSecret(payment_secret));
- self.tagged_fields.push(TaggedField::Features(features));
+ if !found_features {
+ let mut features = Bolt11InvoiceFeatures::empty();
+ features.set_variable_length_onion_required();
+ features.set_payment_secret_required();
+ self.tagged_fields.push(TaggedField::Features(features));
+ }
self.set_flags()
}
}
-impl<D: tb::Bool, H: tb::Bool, T: tb::Bool, C: tb::Bool> InvoiceBuilder<D, H, T, C, tb::True> {
+impl<D: tb::Bool, H: tb::Bool, T: tb::Bool, C: tb::Bool, S: tb::Bool> InvoiceBuilder<D, H, T, C, S, tb::False> {
+ /// Sets the payment metadata.
+ ///
+ /// By default features are set to *optionally* allow the sender to include the payment metadata.
+ /// If you wish to require that the sender include the metadata (and fail to parse the invoice if
+ /// they don't support payment metadata fields), you need to call
+ /// [`InvoiceBuilder::require_payment_metadata`] after this.
+ pub fn payment_metadata(mut self, payment_metadata: Vec<u8>) -> InvoiceBuilder<D, H, T, C, S, tb::True> {
+ self.tagged_fields.push(TaggedField::PaymentMetadata(payment_metadata));
+ let mut found_features = false;
+ for field in self.tagged_fields.iter_mut() {
+ if let TaggedField::Features(f) = field {
+ found_features = true;
+ f.set_payment_metadata_optional();
+ }
+ }
+ if !found_features {
+ let mut features = Bolt11InvoiceFeatures::empty();
+ features.set_payment_metadata_optional();
+ self.tagged_fields.push(TaggedField::Features(features));
+ }
+ self.set_flags()
+ }
+}
+
+impl<D: tb::Bool, H: tb::Bool, T: tb::Bool, C: tb::Bool, S: tb::Bool> InvoiceBuilder<D, H, T, C, S, tb::True> {
+ /// Sets forwarding of payment metadata as required. A reader of the invoice which does not
+ /// support sending payment metadata will fail to read the invoice.
+ pub fn require_payment_metadata(mut self) -> InvoiceBuilder<D, H, T, C, S, tb::True> {
+ for field in self.tagged_fields.iter_mut() {
+ if let TaggedField::Features(f) = field {
+ f.set_payment_metadata_required();
+ }
+ }
+ self
+ }
+}
+
+impl<D: tb::Bool, H: tb::Bool, T: tb::Bool, C: tb::Bool, M: tb::Bool> InvoiceBuilder<D, H, T, C, tb::True, M> {
/// Sets the `basic_mpp` feature as optional.
pub fn basic_mpp(mut self) -> Self {
for field in self.tagged_fields.iter_mut() {
}
}
-impl InvoiceBuilder<tb::True, tb::True, tb::True, tb::True, tb::True> {
+impl<M: tb::Bool> InvoiceBuilder<tb::True, tb::True, tb::True, tb::True, tb::True, M> {
/// Builds and signs an invoice using the supplied `sign_function`. This function MAY NOT fail
/// and MUST produce a recoverable signature valid for the given hash and if applicable also for
/// the included payee public key.
- pub fn build_signed<F>(self, sign_function: F) -> Result<Invoice, CreationError>
+ pub fn build_signed<F>(self, sign_function: F) -> Result<Bolt11Invoice, CreationError>
where F: FnOnce(&Message) -> RecoverableSignature
{
let invoice = self.try_build_signed::<_, ()>(|hash| {
/// Builds and signs an invoice using the supplied `sign_function`. This function MAY fail with
/// an error of type `E` and MUST produce a recoverable signature valid for the given hash and
/// if applicable also for the included payee public key.
- pub fn try_build_signed<F, E>(self, sign_function: F) -> Result<Invoice, SignOrCreationError<E>>
+ pub fn try_build_signed<F, E>(self, sign_function: F) -> Result<Bolt11Invoice, SignOrCreationError<E>>
where F: FnOnce(&Message) -> Result<RecoverableSignature, E>
{
let raw = match self.build_raw() {
Err(e) => return Err(SignOrCreationError::SignError(e)),
};
- let invoice = Invoice {
+ let invoice = Bolt11Invoice {
signed_invoice: signed,
};
}
-impl SignedRawInvoice {
- /// Disassembles the `SignedRawInvoice` into its three parts:
+impl SignedRawBolt11Invoice {
+ /// Disassembles the `SignedRawBolt11Invoice` into its three parts:
/// 1. raw invoice
/// 2. hash of the raw invoice
/// 3. signature
- pub fn into_parts(self) -> (RawInvoice, [u8; 32], InvoiceSignature) {
+ pub fn into_parts(self) -> (RawBolt11Invoice, [u8; 32], Bolt11InvoiceSignature) {
(self.raw_invoice, self.hash, self.signature)
}
- /// The `RawInvoice` which was signed.
- pub fn raw_invoice(&self) -> &RawInvoice {
+ /// The [`RawBolt11Invoice`] which was signed.
+ pub fn raw_invoice(&self) -> &RawBolt11Invoice {
&self.raw_invoice
}
- /// The hash of the `RawInvoice` that was signed.
+ /// The hash of the [`RawBolt11Invoice`] that was signed.
pub fn signable_hash(&self) -> &[u8; 32] {
&self.hash
}
- /// InvoiceSignature for the invoice.
- pub fn signature(&self) -> &InvoiceSignature {
+ /// Signature for the invoice.
+ pub fn signature(&self) -> &Bolt11InvoiceSignature {
&self.signature
}
/// Recovers the public key used for signing the invoice from the recoverable signature.
pub fn recover_payee_pub_key(&self) -> Result<PayeePubKey, secp256k1::Error> {
- let hash = Message::from_slice(&self.hash[..])
- .expect("Hash is 32 bytes long, same as MESSAGE_SIZE");
+ let hash = Message::from_digest(self.hash);
Ok(PayeePubKey(Secp256k1::new().recover_ecdsa(
&hash,
let pub_key = included_pub_key.or(recovered_pub_key.as_ref())
.expect("One is always present");
- let hash = Message::from_slice(&self.hash[..])
- .expect("Hash is 32 bytes long, same as MESSAGE_SIZE");
+ let hash = Message::from_digest(self.hash);
let secp_context = Secp256k1::new();
let verification_result = secp_context.verify_ecdsa(
}
#[allow(missing_docs)]
-impl RawInvoice {
+impl RawBolt11Invoice {
/// Hash the HRP as bytes and signatureless data part.
fn hash_from_parts(hrp_bytes: &[u8], data_without_signature: &[u5]) -> [u8; 32] {
let preimage = construct_invoice_preimage(hrp_bytes, data_without_signature);
hash
}
- /// Calculate the hash of the encoded `RawInvoice` which should be signed.
+ /// Calculate the hash of the encoded `RawBolt11Invoice` which should be signed.
pub fn signable_hash(&self) -> [u8; 32] {
use bech32::ToBase32;
- RawInvoice::hash_from_parts(
+ RawBolt11Invoice::hash_from_parts(
self.hrp.to_string().as_bytes(),
&self.data.to_base32()
)
}
- /// Signs the invoice using the supplied `sign_function`. This function MAY fail with an error
- /// of type `E`. Since the signature of a `SignedRawInvoice` is not required to be valid there
+ /// Signs the invoice using the supplied `sign_method`. This function MAY fail with an error of
+ /// type `E`. Since the signature of a [`SignedRawBolt11Invoice`] is not required to be valid there
/// are no constraints regarding the validity of the produced signature.
///
- /// (C-not exported) As we don't currently support passing function pointers into methods
+ /// This is not exported to bindings users as we don't currently support passing function pointers into methods
/// explicitly.
- pub fn sign<F, E>(self, sign_method: F) -> Result<SignedRawInvoice, E>
+ pub fn sign<F, E>(self, sign_method: F) -> Result<SignedRawBolt11Invoice, E>
where F: FnOnce(&Message) -> Result<RecoverableSignature, E>
{
let raw_hash = self.signable_hash();
- let hash = Message::from_slice(&raw_hash[..])
- .expect("Hash is 32 bytes long, same as MESSAGE_SIZE");
+ let hash = Message::from_digest(raw_hash);
let signature = sign_method(&hash)?;
- Ok(SignedRawInvoice {
+ Ok(SignedRawBolt11Invoice {
raw_invoice: self,
hash: raw_hash,
- signature: InvoiceSignature(signature),
+ signature: Bolt11InvoiceSignature(signature),
})
}
/// Returns an iterator over all tagged fields with known semantics.
///
- /// (C-not exported) As there is not yet a manual mapping for a FilterMap
+ /// This is not exported to bindings users as there is not yet a manual mapping for a FilterMap
pub fn known_tagged_fields(&self)
-> FilterMap<Iter<RawTaggedField>, fn(&RawTaggedField) -> Option<&TaggedField>>
{
find_extract!(self.known_tagged_fields(), TaggedField::PaymentSecret(ref x), x)
}
- pub fn features(&self) -> Option<&InvoiceFeatures> {
+ pub fn payment_metadata(&self) -> Option<&Vec<u8>> {
+ find_extract!(self.known_tagged_fields(), TaggedField::PaymentMetadata(ref x), x)
+ }
+
+ pub fn features(&self) -> Option<&Bolt11InvoiceFeatures> {
find_extract!(self.known_tagged_fields(), TaggedField::Features(ref x), x)
}
- /// (C-not exported) as we don't support Vec<&NonOpaqueType>
+ /// This is not exported to bindings users as we don't support Vec<&NonOpaqueType>
pub fn fallbacks(&self) -> Vec<&Fallback> {
find_all_extract!(self.known_tagged_fields(), TaggedField::Fallback(ref x), x).collect()
}
find_all_extract!(self.known_tagged_fields(), TaggedField::PrivateRoute(ref x), x).collect()
}
+ /// Returns `None` if no amount is set or on overflow.
pub fn amount_pico_btc(&self) -> Option<u64> {
- self.hrp.raw_amount.map(|v| {
- v * self.hrp.si_prefix.as_ref().map_or(1_000_000_000_000, |si| { si.multiplier() })
+ self.hrp.raw_amount.and_then(|v| {
+ v.checked_mul(self.hrp.si_prefix.as_ref().map_or(1_000_000_000_000, |si| { si.multiplier() }))
})
}
}
}
+impl From<PositiveTimestamp> for Duration {
+ fn from(val: PositiveTimestamp) -> Self {
+ val.0
+ }
+}
+
#[cfg(feature = "std")]
impl From<PositiveTimestamp> for SystemTime {
fn from(val: PositiveTimestamp) -> Self {
}
}
-impl Invoice {
- /// Transform the `Invoice` into it's unchecked version
- pub fn into_signed_raw(self) -> SignedRawInvoice {
+impl Bolt11Invoice {
+ /// The hash of the [`RawBolt11Invoice`] that was signed.
+ pub fn signable_hash(&self) -> [u8; 32] {
+ self.signed_invoice.hash
+ }
+
+ /// Transform the `Bolt11Invoice` into its unchecked version.
+ pub fn into_signed_raw(self) -> SignedRawBolt11Invoice {
self.signed_invoice
}
/// Check that all mandatory fields are present
- fn check_field_counts(&self) -> Result<(), SemanticError> {
+ fn check_field_counts(&self) -> Result<(), Bolt11SemanticError> {
// "A writer MUST include exactly one p field […]."
let payment_hash_cnt = self.tagged_fields().filter(|&tf| match *tf {
TaggedField::PaymentHash(_) => true,
_ => false,
}).count();
if payment_hash_cnt < 1 {
- return Err(SemanticError::NoPaymentHash);
+ return Err(Bolt11SemanticError::NoPaymentHash);
} else if payment_hash_cnt > 1 {
- return Err(SemanticError::MultiplePaymentHashes);
+ return Err(Bolt11SemanticError::MultiplePaymentHashes);
}
// "A writer MUST include either exactly one d or exactly one h field."
_ => false,
}).count();
if description_cnt < 1 {
- return Err(SemanticError::NoDescription);
+ return Err(Bolt11SemanticError::NoDescription);
} else if description_cnt > 1 {
- return Err(SemanticError::MultipleDescriptions);
+ return Err(Bolt11SemanticError::MultipleDescriptions);
}
self.check_payment_secret()?;
}
/// Checks that there is exactly one payment secret field
- fn check_payment_secret(&self) -> Result<(), SemanticError> {
+ fn check_payment_secret(&self) -> Result<(), Bolt11SemanticError> {
// "A writer MUST include exactly one `s` field."
let payment_secret_count = self.tagged_fields().filter(|&tf| match *tf {
TaggedField::PaymentSecret(_) => true,
_ => false,
}).count();
if payment_secret_count < 1 {
- return Err(SemanticError::NoPaymentSecret);
+ return Err(Bolt11SemanticError::NoPaymentSecret);
} else if payment_secret_count > 1 {
- return Err(SemanticError::MultiplePaymentSecrets);
+ return Err(Bolt11SemanticError::MultiplePaymentSecrets);
}
Ok(())
}
/// Check that amount is a whole number of millisatoshis
- fn check_amount(&self) -> Result<(), SemanticError> {
+ fn check_amount(&self) -> Result<(), Bolt11SemanticError> {
if let Some(amount_pico_btc) = self.amount_pico_btc() {
if amount_pico_btc % 10 != 0 {
- return Err(SemanticError::ImpreciseAmount);
+ return Err(Bolt11SemanticError::ImpreciseAmount);
}
}
Ok(())
}
/// Check that feature bits are set as required
- fn check_feature_bits(&self) -> Result<(), SemanticError> {
+ fn check_feature_bits(&self) -> Result<(), Bolt11SemanticError> {
self.check_payment_secret()?;
// "A writer MUST set an s field if and only if the payment_secret feature is set."
_ => false,
});
match features {
- None => Err(SemanticError::InvalidFeatures),
+ None => Err(Bolt11SemanticError::InvalidFeatures),
Some(TaggedField::Features(features)) => {
if features.requires_unknown_bits() {
- Err(SemanticError::InvalidFeatures)
+ Err(Bolt11SemanticError::InvalidFeatures)
} else if !features.supports_payment_secret() {
- Err(SemanticError::InvalidFeatures)
+ Err(Bolt11SemanticError::InvalidFeatures)
} else {
Ok(())
}
}
/// Check that the invoice is signed correctly and that key recovery works
- pub fn check_signature(&self) -> Result<(), SemanticError> {
+ pub fn check_signature(&self) -> Result<(), Bolt11SemanticError> {
match self.signed_invoice.recover_payee_pub_key() {
Err(secp256k1::Error::InvalidRecoveryId) =>
- return Err(SemanticError::InvalidRecoveryId),
+ return Err(Bolt11SemanticError::InvalidRecoveryId),
Err(secp256k1::Error::InvalidSignature) =>
- return Err(SemanticError::InvalidSignature),
+ return Err(Bolt11SemanticError::InvalidSignature),
Err(e) => panic!("no other error may occur, got {:?}", e),
Ok(_) => {},
}
if !self.signed_invoice.check_signature() {
- return Err(SemanticError::InvalidSignature);
+ return Err(Bolt11SemanticError::InvalidSignature);
}
Ok(())
}
- /// Constructs an `Invoice` from a `SignedRawInvoice` by checking all its invariants.
+ /// Constructs a `Bolt11Invoice` from a [`SignedRawBolt11Invoice`] by checking all its invariants.
/// ```
/// use lightning_invoice::*;
///
/// 8s0gyuxjjgux34w75dnc6xp2l35j7es3jd4ugt3lu0xzre26yg5m7ke54n2d5sym4xcmxtl8238xxvw5h5h5\
/// j5r6drg6k6zcqj0fcwg";
///
- /// let signed = invoice.parse::<SignedRawInvoice>().unwrap();
+ /// let signed = invoice.parse::<SignedRawBolt11Invoice>().unwrap();
///
- /// assert!(Invoice::from_signed(signed).is_ok());
+ /// assert!(Bolt11Invoice::from_signed(signed).is_ok());
/// ```
- pub fn from_signed(signed_invoice: SignedRawInvoice) -> Result<Self, SemanticError> {
- let invoice = Invoice {
+ pub fn from_signed(signed_invoice: SignedRawBolt11Invoice) -> Result<Self, Bolt11SemanticError> {
+ let invoice = Bolt11Invoice {
signed_invoice,
};
invoice.check_field_counts()?;
Ok(invoice)
}
- /// Returns the `Invoice`'s timestamp (should equal its creation time)
+ /// Returns the `Bolt11Invoice`'s timestamp (should equal its creation time)
#[cfg(feature = "std")]
pub fn timestamp(&self) -> SystemTime {
self.signed_invoice.raw_invoice().data.timestamp.as_time()
}
- /// Returns the `Invoice`'s timestamp as a duration since the Unix epoch
+ /// Returns the `Bolt11Invoice`'s timestamp as a duration since the Unix epoch
pub fn duration_since_epoch(&self) -> Duration {
self.signed_invoice.raw_invoice().data.timestamp.0
}
- /// Returns an iterator over all tagged fields of this Invoice.
+ /// Returns an iterator over all tagged fields of this `Bolt11Invoice`.
///
- /// (C-not exported) As there is not yet a manual mapping for a FilterMap
+ /// This is not exported to bindings users as there is not yet a manual mapping for a FilterMap
pub fn tagged_fields(&self)
-> FilterMap<Iter<RawTaggedField>, fn(&RawTaggedField) -> Option<&TaggedField>> {
self.signed_invoice.raw_invoice().known_tagged_fields()
/// Return the description or a hash of it for longer ones
///
- /// (C-not exported) because we don't yet export InvoiceDescription
- pub fn description(&self) -> InvoiceDescription {
+ /// This is not exported to bindings users because we don't yet export Bolt11InvoiceDescription
+ pub fn description(&self) -> Bolt11InvoiceDescription {
if let Some(direct) = self.signed_invoice.description() {
- return InvoiceDescription::Direct(direct);
+ return Bolt11InvoiceDescription::Direct(direct);
} else if let Some(hash) = self.signed_invoice.description_hash() {
- return InvoiceDescription::Hash(hash);
+ return Bolt11InvoiceDescription::Hash(hash);
}
unreachable!("ensured by constructor");
}
self.signed_invoice.payment_secret().expect("was checked by constructor")
}
+ /// Get the payment metadata blob if one was included in the invoice
+ pub fn payment_metadata(&self) -> Option<&Vec<u8>> {
+ self.signed_invoice.payment_metadata()
+ }
+
/// Get the invoice features if they were included in the invoice
- pub fn features(&self) -> Option<&InvoiceFeatures> {
+ pub fn features(&self) -> Option<&Bolt11InvoiceFeatures> {
self.signed_invoice.features()
}
self.signed_invoice.recover_payee_pub_key().expect("was checked by constructor").0
}
+ /// Recover the payee's public key if one was included in the invoice, otherwise return the
+ /// recovered public key from the signature
+ pub fn get_payee_pub_key(&self) -> PublicKey {
+ match self.payee_pub_key() {
+ Some(pk) => *pk,
+ None => self.recover_payee_pub_key()
+ }
+ }
+
+ /// Returns the Duration since the Unix epoch at which the invoice expires.
+ /// Returning None if overflow occurred.
+ pub fn expires_at(&self) -> Option<Duration> {
+ self.duration_since_epoch().checked_add(self.expiry_time())
+ }
+
/// Returns the invoice's expiry time, if present, otherwise [`DEFAULT_EXPIRY_TIME`].
pub fn expiry_time(&self) -> Duration {
self.signed_invoice.expiry_time()
}
}
+ /// Returns the Duration remaining until the invoice expires.
+ #[cfg(feature = "std")]
+ pub fn duration_until_expiry(&self) -> Duration {
+ SystemTime::now().duration_since(SystemTime::UNIX_EPOCH)
+ .map(|now| self.expiration_remaining_from_epoch(now))
+ .unwrap_or(Duration::from_nanos(0))
+ }
+
+ /// Returns the Duration remaining until the invoice expires given the current time.
+ /// `time` is the timestamp as a duration since the Unix epoch.
+ pub fn expiration_remaining_from_epoch(&self, time: Duration) -> Duration {
+ self.expires_at().map(|x| x.checked_sub(time)).flatten().unwrap_or(Duration::from_nanos(0))
+ }
+
/// Returns whether the expiry time would pass at the given point in time.
/// `at_time` is the timestamp as a duration since the Unix epoch.
pub fn would_expire(&self, at_time: Duration) -> bool {
/// Returns a list of all fallback addresses
///
- /// (C-not exported) as we don't support Vec<&NonOpaqueType>
+ /// This is not exported to bindings users as we don't support Vec<&NonOpaqueType>
pub fn fallbacks(&self) -> Vec<&Fallback> {
self.signed_invoice.fallbacks()
}
+ /// Returns a list of all fallback addresses as [`Address`]es
+ pub fn fallback_addresses(&self) -> Vec<Address> {
+ self.fallbacks().iter().filter_map(|fallback| {
+ let payload = match fallback {
+ Fallback::SegWitProgram { version, program } => {
+ match WitnessProgram::new(*version, program.clone()) {
+ Ok(witness_program) => Payload::WitnessProgram(witness_program),
+ Err(_) => return None,
+ }
+ }
+ Fallback::PubKeyHash(pkh) => {
+ Payload::PubkeyHash(*pkh)
+ }
+ Fallback::ScriptHash(sh) => {
+ Payload::ScriptHash(*sh)
+ }
+ };
+
+ Some(Address::new(self.network(), payload))
+ }).collect()
+ }
+
/// Returns a list of all routes included in the invoice
pub fn private_routes(&self) -> Vec<&PrivateRoute> {
self.signed_invoice.private_routes()
self.signed_invoice.currency()
}
+ /// Returns the network for which the invoice was issued
+ ///
+ /// This is not exported to bindings users, see [`Self::currency`] instead.
+ pub fn network(&self) -> Network {
+ self.signed_invoice.currency().into()
+ }
+
/// Returns the amount if specified in the invoice as millisatoshis.
pub fn amount_milli_satoshis(&self) -> Option<u64> {
self.signed_invoice.amount_pico_btc().map(|v| v / 10)
TaggedField::Fallback(_) => constants::TAG_FALLBACK,
TaggedField::PrivateRoute(_) => constants::TAG_PRIVATE_ROUTE,
TaggedField::PaymentSecret(_) => constants::TAG_PAYMENT_SECRET,
+ TaggedField::PaymentMetadata(_) => constants::TAG_PAYMENT_METADATA,
TaggedField::Features(_) => constants::TAG_FEATURES,
};
impl Description {
/// Creates a new `Description` if `description` is at most 1023 __bytes__ long,
- /// returns `CreationError::DescriptionTooLong` otherwise
+ /// returns [`CreationError::DescriptionTooLong`] otherwise
///
/// Please note that single characters may use more than one byte due to UTF8 encoding.
pub fn new(description: String) -> Result<Description, CreationError> {
if description.len() > 639 {
Err(CreationError::DescriptionTooLong)
} else {
- Ok(Description(description))
+ Ok(Description(UntrustedString(description)))
}
}
- /// Returns the underlying description `String`
- pub fn into_inner(self) -> String {
+ /// Returns the underlying description [`UntrustedString`]
+ pub fn into_inner(self) -> UntrustedString {
self.0
}
}
-impl From<Description> for String {
- fn from(val: Description) -> Self {
- val.into_inner()
- }
-}
-
-impl Deref for Description {
- type Target = str;
-
- fn deref(&self) -> &str {
- &self.0
+impl Display for Description {
+ fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
+ write!(f, "{}", self.0)
}
}
ExpiryTime(Duration::from_secs(seconds))
}
- /// Construct an `ExpiryTime` from a `Duration`, dropping the sub-second part.
+ /// Construct an `ExpiryTime` from a [`Duration`], dropping the sub-second part.
pub fn from_duration(duration: Duration) -> ExpiryTime {
Self::from_seconds(duration.as_secs())
}
self.0.as_secs()
}
- /// Returns a reference to the underlying `Duration` (=expiry time)
+ /// Returns a reference to the underlying [`Duration`] (=expiry time)
pub fn as_duration(&self) -> &Duration {
&self.0
}
}
}
-impl Deref for InvoiceSignature {
+impl Deref for Bolt11InvoiceSignature {
type Target = RecoverableSignature;
fn deref(&self) -> &RecoverableSignature {
}
}
-impl Deref for SignedRawInvoice {
- type Target = RawInvoice;
+impl Deref for SignedRawBolt11Invoice {
+ type Target = RawBolt11Invoice;
- fn deref(&self) -> &RawInvoice {
+ fn deref(&self) -> &RawBolt11Invoice {
&self.raw_invoice
}
}
-/// Errors that may occur when constructing a new `RawInvoice` or `Invoice`
+/// Errors that may occur when constructing a new [`RawBolt11Invoice`] or [`Bolt11Invoice`]
#[derive(Eq, PartialEq, Debug, Clone)]
pub enum CreationError {
- /// The supplied description string was longer than 639 __bytes__ (see [`Description::new(…)`](./struct.Description.html#method.new))
+ /// The supplied description string was longer than 639 __bytes__ (see [`Description::new`])
DescriptionTooLong,
/// The specified route has too many hops and can't be encoded
#[cfg(feature = "std")]
impl std::error::Error for CreationError { }
-/// Errors that may occur when converting a `RawInvoice` to an `Invoice`. They relate to the
-/// requirements sections in BOLT #11
+/// Errors that may occur when converting a [`RawBolt11Invoice`] to a [`Bolt11Invoice`]. They relate to
+/// the requirements sections in BOLT #11
#[derive(Eq, PartialEq, Debug, Clone)]
-pub enum SemanticError {
+pub enum Bolt11SemanticError {
/// The invoice is missing the mandatory payment hash
NoPaymentHash,
ImpreciseAmount,
}
-impl Display for SemanticError {
+impl Display for Bolt11SemanticError {
fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
match self {
- SemanticError::NoPaymentHash => f.write_str("The invoice is missing the mandatory payment hash"),
- SemanticError::MultiplePaymentHashes => f.write_str("The invoice has multiple payment hashes which isn't allowed"),
- SemanticError::NoDescription => f.write_str("No description or description hash are part of the invoice"),
- SemanticError::MultipleDescriptions => f.write_str("The invoice contains multiple descriptions and/or description hashes which isn't allowed"),
- SemanticError::NoPaymentSecret => f.write_str("The invoice is missing the mandatory payment secret"),
- SemanticError::MultiplePaymentSecrets => f.write_str("The invoice contains multiple payment secrets"),
- SemanticError::InvalidFeatures => f.write_str("The invoice's features are invalid"),
- SemanticError::InvalidRecoveryId => f.write_str("The recovery id doesn't fit the signature/pub key"),
- SemanticError::InvalidSignature => f.write_str("The invoice's signature is invalid"),
- SemanticError::ImpreciseAmount => f.write_str("The invoice's amount was not a whole number of millisatoshis"),
+ Bolt11SemanticError::NoPaymentHash => f.write_str("The invoice is missing the mandatory payment hash"),
+ Bolt11SemanticError::MultiplePaymentHashes => f.write_str("The invoice has multiple payment hashes which isn't allowed"),
+ Bolt11SemanticError::NoDescription => f.write_str("No description or description hash are part of the invoice"),
+ Bolt11SemanticError::MultipleDescriptions => f.write_str("The invoice contains multiple descriptions and/or description hashes which isn't allowed"),
+ Bolt11SemanticError::NoPaymentSecret => f.write_str("The invoice is missing the mandatory payment secret"),
+ Bolt11SemanticError::MultiplePaymentSecrets => f.write_str("The invoice contains multiple payment secrets"),
+ Bolt11SemanticError::InvalidFeatures => f.write_str("The invoice's features are invalid"),
+ Bolt11SemanticError::InvalidRecoveryId => f.write_str("The recovery id doesn't fit the signature/pub key"),
+ Bolt11SemanticError::InvalidSignature => f.write_str("The invoice's signature is invalid"),
+ Bolt11SemanticError::ImpreciseAmount => f.write_str("The invoice's amount was not a whole number of millisatoshis"),
}
}
}
#[cfg(feature = "std")]
-impl std::error::Error for SemanticError { }
+impl std::error::Error for Bolt11SemanticError { }
-/// When signing using a fallible method either an user-supplied `SignError` or a `CreationError`
+/// When signing using a fallible method either an user-supplied `SignError` or a [`CreationError`]
/// may occur.
#[derive(Eq, PartialEq, Debug, Clone)]
pub enum SignOrCreationError<S = ()> {
}
#[cfg(feature = "serde")]
-impl Serialize for Invoice {
+impl Serialize for Bolt11Invoice {
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> where S: Serializer {
serializer.serialize_str(self.to_string().as_str())
}
}
#[cfg(feature = "serde")]
-impl<'de> Deserialize<'de> for Invoice {
- fn deserialize<D>(deserializer: D) -> Result<Invoice, D::Error> where D: Deserializer<'de> {
+impl<'de> Deserialize<'de> for Bolt11Invoice {
+ fn deserialize<D>(deserializer: D) -> Result<Bolt11Invoice, D::Error> where D: Deserializer<'de> {
let bolt11 = String::deserialize(deserializer)?
- .parse::<Invoice>()
- .map_err(|e| D::Error::custom(format!("{:?}", e)))?;
+ .parse::<Bolt11Invoice>()
+ .map_err(|e| D::Error::custom(format_args!("{:?}", e)))?;
Ok(bolt11)
}
#[cfg(test)]
mod test {
- use bitcoin_hashes::hex::FromHex;
- use bitcoin_hashes::sha256;
+ use bitcoin::ScriptBuf;
+ use bitcoin::hashes::sha256;
+ use std::str::FromStr;
#[test]
fn test_system_time_bounds_assumptions() {
#[test]
fn test_calc_invoice_hash() {
- use crate::{RawInvoice, RawHrp, RawDataPart, Currency, PositiveTimestamp};
+ use crate::{RawBolt11Invoice, RawHrp, RawDataPart, Currency, PositiveTimestamp};
use crate::TaggedField::*;
- let invoice = RawInvoice {
+ let invoice = RawBolt11Invoice {
hrp: RawHrp {
currency: Currency::Bitcoin,
raw_amount: None,
data: RawDataPart {
timestamp: PositiveTimestamp::from_unix_timestamp(1496314658).unwrap(),
tagged_fields: vec![
- PaymentHash(crate::Sha256(sha256::Hash::from_hex(
+ PaymentHash(crate::Sha256(sha256::Hash::from_str(
"0001020304050607080900010203040506070809000102030405060708090102"
).unwrap())).into(),
Description(crate::Description::new(
use secp256k1::Secp256k1;
use secp256k1::ecdsa::{RecoveryId, RecoverableSignature};
use secp256k1::{SecretKey, PublicKey};
- use crate::{SignedRawInvoice, InvoiceSignature, RawInvoice, RawHrp, RawDataPart, Currency, Sha256,
+ use crate::{SignedRawBolt11Invoice, Bolt11InvoiceSignature, RawBolt11Invoice, RawHrp, RawDataPart, Currency, Sha256,
PositiveTimestamp};
- let invoice = SignedRawInvoice {
- raw_invoice: RawInvoice {
+ let invoice = SignedRawBolt11Invoice {
+ raw_invoice: RawBolt11Invoice {
hrp: RawHrp {
currency: Currency::Bitcoin,
raw_amount: None,
data: RawDataPart {
timestamp: PositiveTimestamp::from_unix_timestamp(1496314658).unwrap(),
tagged_fields: vec ! [
- PaymentHash(Sha256(sha256::Hash::from_hex(
+ PaymentHash(Sha256(sha256::Hash::from_str(
"0001020304050607080900010203040506070809000102030405060708090102"
).unwrap())).into(),
Description(
0x7b, 0x1d, 0x85, 0x8d, 0xb1, 0xd1, 0xf7, 0xab, 0x71, 0x37, 0xdc, 0xb7,
0x83, 0x5d, 0xb2, 0xec, 0xd5, 0x18, 0xe1, 0xc9
],
- signature: InvoiceSignature(RecoverableSignature::from_compact(
+ signature: Bolt11InvoiceSignature(RecoverableSignature::from_compact(
& [
0x38u8, 0xec, 0x68, 0x91, 0x34, 0x5e, 0x20, 0x41, 0x45, 0xbe, 0x8a,
0x3a, 0x99, 0xde, 0x38, 0xe9, 0x8a, 0x39, 0xd6, 0xa5, 0x69, 0x43,
#[test]
fn test_check_feature_bits() {
use crate::TaggedField::*;
- use lightning::ln::features::InvoiceFeatures;
+ use lightning::ln::features::Bolt11InvoiceFeatures;
use secp256k1::Secp256k1;
use secp256k1::SecretKey;
- use crate::{RawInvoice, RawHrp, RawDataPart, Currency, Sha256, PositiveTimestamp, Invoice,
- SemanticError};
+ use crate::{Bolt11Invoice, RawBolt11Invoice, RawHrp, RawDataPart, Currency, Sha256, PositiveTimestamp,
+ Bolt11SemanticError};
let private_key = SecretKey::from_slice(&[42; 32]).unwrap();
- let payment_secret = lightning::ln::PaymentSecret([21; 32]);
- let invoice_template = RawInvoice {
+ let payment_secret = lightning::ln::types::PaymentSecret([21; 32]);
+ let invoice_template = RawBolt11Invoice {
hrp: RawHrp {
currency: Currency::Bitcoin,
raw_amount: None,
data: RawDataPart {
timestamp: PositiveTimestamp::from_unix_timestamp(1496314658).unwrap(),
tagged_fields: vec ! [
- PaymentHash(Sha256(sha256::Hash::from_hex(
+ PaymentHash(Sha256(sha256::Hash::from_str(
"0001020304050607080900010203040506070809000102030405060708090102"
).unwrap())).into(),
Description(
invoice.data.tagged_fields.push(PaymentSecret(payment_secret).into());
invoice.sign::<_, ()>(|hash| Ok(Secp256k1::new().sign_ecdsa_recoverable(hash, &private_key)))
}.unwrap();
- assert_eq!(Invoice::from_signed(invoice), Err(SemanticError::InvalidFeatures));
+ assert_eq!(Bolt11Invoice::from_signed(invoice), Err(Bolt11SemanticError::InvalidFeatures));
// Missing feature bits
let invoice = {
let mut invoice = invoice_template.clone();
invoice.data.tagged_fields.push(PaymentSecret(payment_secret).into());
- invoice.data.tagged_fields.push(Features(InvoiceFeatures::empty()).into());
+ invoice.data.tagged_fields.push(Features(Bolt11InvoiceFeatures::empty()).into());
invoice.sign::<_, ()>(|hash| Ok(Secp256k1::new().sign_ecdsa_recoverable(hash, &private_key)))
}.unwrap();
- assert_eq!(Invoice::from_signed(invoice), Err(SemanticError::InvalidFeatures));
+ assert_eq!(Bolt11Invoice::from_signed(invoice), Err(Bolt11SemanticError::InvalidFeatures));
- let mut payment_secret_features = InvoiceFeatures::empty();
+ let mut payment_secret_features = Bolt11InvoiceFeatures::empty();
payment_secret_features.set_payment_secret_required();
// Including payment secret and feature bits
invoice.data.tagged_fields.push(Features(payment_secret_features.clone()).into());
invoice.sign::<_, ()>(|hash| Ok(Secp256k1::new().sign_ecdsa_recoverable(hash, &private_key)))
}.unwrap();
- assert!(Invoice::from_signed(invoice).is_ok());
+ assert!(Bolt11Invoice::from_signed(invoice).is_ok());
// No payment secret or features
let invoice = {
let invoice = invoice_template.clone();
invoice.sign::<_, ()>(|hash| Ok(Secp256k1::new().sign_ecdsa_recoverable(hash, &private_key)))
}.unwrap();
- assert_eq!(Invoice::from_signed(invoice), Err(SemanticError::NoPaymentSecret));
+ assert_eq!(Bolt11Invoice::from_signed(invoice), Err(Bolt11SemanticError::NoPaymentSecret));
// No payment secret or feature bits
let invoice = {
let mut invoice = invoice_template.clone();
- invoice.data.tagged_fields.push(Features(InvoiceFeatures::empty()).into());
+ invoice.data.tagged_fields.push(Features(Bolt11InvoiceFeatures::empty()).into());
invoice.sign::<_, ()>(|hash| Ok(Secp256k1::new().sign_ecdsa_recoverable(hash, &private_key)))
}.unwrap();
- assert_eq!(Invoice::from_signed(invoice), Err(SemanticError::NoPaymentSecret));
+ assert_eq!(Bolt11Invoice::from_signed(invoice), Err(Bolt11SemanticError::NoPaymentSecret));
// Missing payment secret
let invoice = {
invoice.data.tagged_fields.push(Features(payment_secret_features).into());
invoice.sign::<_, ()>(|hash| Ok(Secp256k1::new().sign_ecdsa_recoverable(hash, &private_key)))
}.unwrap();
- assert_eq!(Invoice::from_signed(invoice), Err(SemanticError::NoPaymentSecret));
+ assert_eq!(Bolt11Invoice::from_signed(invoice), Err(Bolt11SemanticError::NoPaymentSecret));
// Multiple payment secrets
let invoice = {
invoice.data.tagged_fields.push(PaymentSecret(payment_secret).into());
invoice.sign::<_, ()>(|hash| Ok(Secp256k1::new().sign_ecdsa_recoverable(hash, &private_key)))
}.unwrap();
- assert_eq!(Invoice::from_signed(invoice), Err(SemanticError::MultiplePaymentSecrets));
+ assert_eq!(Bolt11Invoice::from_signed(invoice), Err(Bolt11SemanticError::MultiplePaymentSecrets));
}
#[test]
use lightning::routing::router::RouteHintHop;
use secp256k1::Secp256k1;
use secp256k1::{SecretKey, PublicKey};
- use std::time::{UNIX_EPOCH, Duration};
+ use std::time::Duration;
let secp_ctx = Secp256k1::new();
let route_1 = RouteHint(vec![
RouteHintHop {
src_node_id: public_key,
- short_channel_id: de::parse_int_be(&[123; 8], 256).expect("short chan ID slice too big?"),
+ short_channel_id: u64::from_be_bytes([123; 8]),
fees: RoutingFees {
base_msat: 2,
proportional_millionths: 1,
},
RouteHintHop {
src_node_id: public_key,
- short_channel_id: de::parse_int_be(&[42; 8], 256).expect("short chan ID slice too big?"),
+ short_channel_id: u64::from_be_bytes([42; 8]),
fees: RoutingFees {
base_msat: 3,
proportional_millionths: 2,
},
RouteHintHop {
src_node_id: public_key,
- short_channel_id: de::parse_int_be(&[1; 8], 256).expect("short chan ID slice too big?"),
+ short_channel_id: u64::from_be_bytes([1; 8]),
fees: RoutingFees {
base_msat: 5,
proportional_millionths: 4,
.payee_pub_key(public_key)
.expiry_time(Duration::from_secs(54321))
.min_final_cltv_expiry_delta(144)
- .fallback(Fallback::PubKeyHash([0;20]))
+ .fallback(Fallback::PubKeyHash(PubkeyHash::from_slice(&[0;20]).unwrap()))
.private_route(route_1.clone())
.private_route(route_2.clone())
.description_hash(sha256::Hash::from_slice(&[3;32][..]).unwrap())
assert_eq!(invoice.currency(), Currency::BitcoinTestnet);
#[cfg(feature = "std")]
assert_eq!(
- invoice.timestamp().duration_since(UNIX_EPOCH).unwrap().as_secs(),
+ invoice.timestamp().duration_since(SystemTime::UNIX_EPOCH).unwrap().as_secs(),
1234567
);
assert_eq!(invoice.payee_pub_key(), Some(&public_key));
assert_eq!(invoice.expiry_time(), Duration::from_secs(54321));
assert_eq!(invoice.min_final_cltv_expiry_delta(), 144);
- assert_eq!(invoice.fallbacks(), vec![&Fallback::PubKeyHash([0;20])]);
+ assert_eq!(invoice.fallbacks(), vec![&Fallback::PubKeyHash(PubkeyHash::from_slice(&[0;20]).unwrap())]);
+ let address = Address::from_script(&ScriptBuf::new_p2pkh(&PubkeyHash::from_slice(&[0;20]).unwrap()), Network::Testnet).unwrap();
+ assert_eq!(invoice.fallback_addresses(), vec![address]);
assert_eq!(invoice.private_routes(), vec![&PrivateRoute(route_1), &PrivateRoute(route_2)]);
assert_eq!(
invoice.description(),
- InvoiceDescription::Hash(&Sha256(sha256::Hash::from_slice(&[3;32][..]).unwrap()))
+ Bolt11InvoiceDescription::Hash(&Sha256(sha256::Hash::from_slice(&[3;32][..]).unwrap()))
);
assert_eq!(invoice.payment_hash(), &sha256::Hash::from_slice(&[21;32][..]).unwrap());
assert_eq!(invoice.payment_secret(), &PaymentSecret([42; 32]));
- let mut expected_features = InvoiceFeatures::empty();
+ let mut expected_features = Bolt11InvoiceFeatures::empty();
expected_features.set_variable_length_onion_required();
expected_features.set_payment_secret_required();
expected_features.set_basic_mpp_optional();
Ok(secp_ctx.sign_ecdsa_recoverable(hash, &privkey))
})
.unwrap();
- let invoice = Invoice::from_signed(signed_invoice).unwrap();
+ let invoice = Bolt11Invoice::from_signed(signed_invoice).unwrap();
assert_eq!(invoice.min_final_cltv_expiry_delta(), DEFAULT_MIN_FINAL_CLTV_EXPIRY_DELTA);
assert_eq!(invoice.expiry_time(), Duration::from_secs(DEFAULT_EXPIRY_TIME));
Ok(secp_ctx.sign_ecdsa_recoverable(hash, &privkey))
})
.unwrap();
- let invoice = Invoice::from_signed(signed_invoice).unwrap();
+ let invoice = Bolt11Invoice::from_signed(signed_invoice).unwrap();
assert!(invoice.would_expire(Duration::from_secs(1234567 + DEFAULT_EXPIRY_TIME + 1)));
}
p62g49p7569ev48cmulecsxe59lvaw3wlxm7r982zxa9zzj7z5l0cqqxusqqyqqqqlgqqqqqzsqygarl9fh3\
8s0gyuxjjgux34w75dnc6xp2l35j7es3jd4ugt3lu0xzre26yg5m7ke54n2d5sym4xcmxtl8238xxvw5h5h5\
j5r6drg6k6zcqj0fcwg";
- let invoice = invoice_str.parse::<super::Invoice>().unwrap();
+ let invoice = invoice_str.parse::<super::Bolt11Invoice>().unwrap();
let serialized_invoice = serde_json::to_string(&invoice).unwrap();
- let deserialized_invoice: super::Invoice = serde_json::from_str(serialized_invoice.as_str()).unwrap();
+ let deserialized_invoice: super::Bolt11Invoice = serde_json::from_str(serialized_invoice.as_str()).unwrap();
assert_eq!(invoice, deserialized_invoice);
assert_eq!(invoice_str, deserialized_invoice.to_string().as_str());
assert_eq!(invoice_str, serialized_invoice.as_str().trim_matches('\"'));