+// 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(missing_docs)]
#![deny(non_upper_case_globals)]
#![deny(non_camel_case_types)]
#![deny(non_snake_case)]
#![deny(unused_mut)]
-#![deny(broken_intra_doc_links)]
+
+#![cfg_attr(docsrs, feature(doc_auto_cfg))]
#![cfg_attr(feature = "strict", deny(warnings))]
+#![cfg_attr(all(not(feature = "std"), not(test)), no_std)]
//! This crate provides data structures to represent
-//! [lightning BOLT11](https://github.com/lightningnetwork/lightning-rfc/blob/master/11-payment-encoding.md)
+//! [lightning BOLT11](https://github.com/lightning/bolts/blob/master/11-payment-encoding.md)
//! 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::<Invoice>(&self)` (see [`Invoice::from_str`])
+//! * For constructing invoices use the [`InvoiceBuilder`]
+//! * For serializing invoices use the [`Display`]/[`ToString`] traits
+//!
+//! [`Invoice::from_str`]: crate::Invoice#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;
-extern crate lightning;
+#[macro_use] extern crate lightning;
extern crate num_traits;
extern crate secp256k1;
+extern crate alloc;
+#[cfg(any(test, feature = "std"))]
+extern crate core;
+#[cfg(feature = "serde")]
+extern crate serde;
+
+#[cfg(feature = "std")]
+use std::time::SystemTime;
use bech32::u5;
-use bitcoin_hashes::Hash;
-use bitcoin_hashes::sha256;
+use bitcoin::{Address, Network, PubkeyHash, ScriptHash};
+use bitcoin::util::address::{Payload, WitnessVersion};
+use bitcoin_hashes::{Hash, sha256};
use lightning::ln::PaymentSecret;
use lightning::ln::features::InvoiceFeatures;
#[cfg(any(doc, test))]
-use lightning::routing::network_graph::RoutingFees;
+use lightning::routing::gossip::RoutingFees;
use lightning::routing::router::RouteHint;
+use lightning::util::invoice::construct_invoice_preimage;
-use secp256k1::key::PublicKey;
+use secp256k1::PublicKey;
use secp256k1::{Message, Secp256k1};
-use secp256k1::recovery::RecoverableSignature;
+use secp256k1::ecdsa::RecoverableSignature;
+
+use core::fmt::{Display, Formatter, self};
+use core::iter::FilterMap;
+use core::num::ParseIntError;
+use core::ops::Deref;
+use core::slice::Iter;
+use core::time::Duration;
+use core::str;
-use std::fmt::{Display, Formatter, self};
-use std::iter::FilterMap;
-use std::ops::Deref;
-use std::slice::Iter;
-use std::time::{SystemTime, Duration, UNIX_EPOCH};
+#[cfg(feature = "serde")]
+use serde::{Deserialize, Deserializer,Serialize, Serializer, de::Error};
mod de;
mod ser;
mod tb;
-pub use de::{ParseError, ParseOrSemanticError};
+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::string::ToString;
+}
+
+use crate::prelude::*;
+
+/// Sync compat for std/no_std
+#[cfg(feature = "std")]
+mod sync {
+ pub use ::std::sync::{Mutex, MutexGuard};
+}
-// TODO: fix before 2037 (see rust PR #55527)
-/// Defines the maximum UNIX timestamp that can be represented as `SystemTime`. This is checked by
-/// one of the unit tests, please run them.
-const SYSTEM_TIME_MAX_UNIX_TIMESTAMP: u64 = std::i32::MAX as u64;
+/// Sync compat for std/no_std
+#[cfg(not(feature = "std"))]
+mod sync;
-/// Allow the expiry time to be up to one year. Since this reduces the range of possible timestamps
-/// it should be rather low as long as we still have to support 32bit time representations
-const MAX_EXPIRY_TIME: u64 = 60 * 60 * 24 * 356;
+/// 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 {
+ Bech32Error(bech32::Error),
+ ParseAmountError(ParseIntError),
+ MalformedSignature(secp256k1::Error),
+ BadPrefix,
+ UnknownCurrency,
+ UnknownSiPrefix,
+ MalformedHRP,
+ TooShortDataPart,
+ UnexpectedEndOfTaggedFields,
+ DescriptionDecodeError(str::Utf8Error),
+ PaddingError,
+ IntegerOverflowError,
+ InvalidSegWitProgramLength,
+ InvalidPubKeyHashLength,
+ InvalidScriptHashLength,
+ InvalidRecoveryId,
+ InvalidSliceLength(String),
+
+ /// Not an error, but used internally to signal that a part of the invoice should be ignored
+ /// according to BOLT11
+ Skip,
+}
+
+/// Indicates that something went wrong while parsing or validating the invoice. Parsing errors
+/// should be mostly seen as opaque and are only there for debugging reasons. Semantic errors
+/// like wrong signatures, missing fields etc. could mean that someone tampered with the invoice.
+#[derive(PartialEq, Eq, Debug, Clone)]
+pub enum ParseOrSemanticError {
+ /// The invoice couldn't be decoded
+ ParseError(ParseError),
+
+ /// The invoice could be decoded but violates the BOLT11 standard
+ SemanticError(crate::SemanticError),
+}
+
+/// The number of bits used to represent timestamps as defined in BOLT 11.
+const TIMESTAMP_BITS: usize = 35;
+
+/// The maximum timestamp as [`Duration::as_secs`] since the Unix epoch allowed by [`BOLT 11`].
+///
+/// [BOLT 11]: https://github.com/lightning/bolts/blob/master/11-payment-encoding.md
+pub const MAX_TIMESTAMP: u64 = (1 << TIMESTAMP_BITS) - 1;
/// Default expiry time as defined by [BOLT 11].
///
-/// [BOLT 11]: https://github.com/lightningnetwork/lightning-rfc/blob/master/11-payment-encoding.md
+/// [BOLT 11]: https://github.com/lightning/bolts/blob/master/11-payment-encoding.md
pub const DEFAULT_EXPIRY_TIME: u64 = 3600;
/// Default minimum final CLTV expiry as defined by [BOLT 11].
///
/// Note that this is *not* the same value as rust-lightning's minimum CLTV expiry, which is
-/// provided in [`MIN_FINAL_CLTV_EXPIRY`].
+/// provided in [`MIN_FINAL_CLTV_EXPIRY_DELTA`].
///
-/// [BOLT 11]: https://github.com/lightningnetwork/lightning-rfc/blob/master/11-payment-encoding.md
-/// [`MIN_FINAL_CLTV_EXPIRY`]: lightning::ln::channelmanager::MIN_FINAL_CLTV_EXPIRY
-pub const DEFAULT_MIN_FINAL_CLTV_EXPIRY: u64 = 18;
-
-/// This function is used as a static assert for the size of `SystemTime`. If the crate fails to
-/// compile due to it this indicates that your system uses unexpected bounds for `SystemTime`. You
-/// can remove this functions and run the test `test_system_time_bounds_assumptions`. In any case,
-/// please open an issue. If all tests pass you should be able to use this library safely by just
-/// removing this function till we patch it accordingly.
-fn __system_time_size_check() {
- // Use 2 * sizeof(u64) as expected size since the expected underlying implementation is storing
- // a `Duration` since `SystemTime::UNIX_EPOCH`.
- unsafe { std::mem::transmute_copy::<SystemTime, [u8; 16]>(&UNIX_EPOCH); }
-}
-
-
-/// **Call this function on startup to ensure that all assumptions about the platform are valid.**
-///
-/// Unfortunately we have to make assumptions about the upper bounds of the `SystemTime` type on
-/// your platform which we can't fully verify at compile time and which isn't part of it's contract.
-/// To our best knowledge our assumptions hold for all platforms officially supported by rust, but
-/// since this check is fast we recommend to do it anyway.
-///
-/// If this function fails this is considered a bug. Please open an issue describing your
-/// platform and stating your current system time.
-///
-/// # Panics
-/// If the check fails this function panics. By calling this function on startup you ensure that
-/// this wont happen at an arbitrary later point in time.
-pub fn check_platform() {
- // The upper and lower bounds of `SystemTime` are not part of its public contract and are
- // platform specific. That's why we have to test if our assumptions regarding these bounds
- // hold on the target platform.
- //
- // If this test fails on your platform, please don't use the library and open an issue
- // instead so we can resolve the situation. Currently this library is tested on:
- // * Linux (64bit)
- let fail_date = UNIX_EPOCH + Duration::from_secs(SYSTEM_TIME_MAX_UNIX_TIMESTAMP);
- let year = Duration::from_secs(60 * 60 * 24 * 365);
-
- // Make sure that the library will keep working for another year
- assert!(fail_date.duration_since(SystemTime::now()).unwrap() > year);
-
- let max_ts = PositiveTimestamp::from_unix_timestamp(
- SYSTEM_TIME_MAX_UNIX_TIMESTAMP - MAX_EXPIRY_TIME
- ).unwrap();
- let max_exp = ::ExpiryTime::from_seconds(MAX_EXPIRY_TIME).unwrap();
-
- assert_eq!(
- (*max_ts.as_time() + *max_exp.as_duration()).duration_since(UNIX_EPOCH).unwrap().as_secs(),
- SYSTEM_TIME_MAX_UNIX_TIMESTAMP
- );
-}
+/// [BOLT 11]: https://github.com/lightning/bolts/blob/master/11-payment-encoding.md
+/// [`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
+/// 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.
///
/// ```
/// extern crate secp256k1;
+/// extern crate lightning;
/// extern crate lightning_invoice;
/// extern crate bitcoin_hashes;
///
/// use bitcoin_hashes::sha256;
///
/// use secp256k1::Secp256k1;
-/// use secp256k1::key::SecretKey;
+/// use secp256k1::SecretKey;
+///
+/// use lightning::ln::PaymentSecret;
///
/// use lightning_invoice::{Currency, InvoiceBuilder};
///
+/// # #[cfg(not(feature = "std"))]
+/// # fn main() {}
+/// # #[cfg(feature = "std")]
/// # fn main() {
/// let private_key = SecretKey::from_slice(
/// &[
/// ).unwrap();
///
/// let payment_hash = sha256::Hash::from_slice(&[0; 32][..]).unwrap();
+/// let payment_secret = PaymentSecret([42u8; 32]);
///
/// let invoice = InvoiceBuilder::new(Currency::Bitcoin)
/// .description("Coins pls!".into())
/// .payment_hash(payment_hash)
+/// .payment_secret(payment_secret)
/// .current_timestamp()
-/// .min_final_cltv_expiry(144)
+/// .min_final_cltv_expiry_delta(144)
/// .build_signed(|hash| {
-/// Secp256k1::new().sign_recoverable(hash, &private_key)
+/// Secp256k1::new().sign_ecdsa_recoverable(hash, &private_key)
/// })
/// .unwrap();
///
/// # 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-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> {
currency: Currency,
tagged_fields: Vec<TaggedField>,
error: Option<CreationError>,
- phantom_d: std::marker::PhantomData<D>,
- phantom_h: std::marker::PhantomData<H>,
- phantom_t: std::marker::PhantomData<T>,
- phantom_c: std::marker::PhantomData<C>,
- phantom_s: std::marker::PhantomData<S>,
+ phantom_d: core::marker::PhantomData<D>,
+ phantom_h: core::marker::PhantomData<H>,
+ phantom_t: core::marker::PhantomData<T>,
+ phantom_c: core::marker::PhantomData<C>,
+ phantom_s: core::marker::PhantomData<S>,
}
/// 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)]
+/// 1. using [`InvoiceBuilder`]
+/// 2. using [`Invoice::from_signed`]
+/// 3. using `str::parse::<Invoice>(&str)` (see [`Invoice::from_str`])
+///
+/// [`Invoice::from_str`]: crate::Invoice#impl-FromStr
+#[derive(Eq, PartialEq, Debug, Clone, Hash)]
pub struct Invoice {
signed_invoice: SignedRawInvoice,
}
/// 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> {
Hash(&'f Sha256),
}
-/// Represents a signed `RawInvoice` with cached hash. The signature is not checked and may be
+/// Represents a signed [`RawInvoice`] 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)]
+/// The hash has to be either from the deserialized invoice or from the serialized [`RawInvoice`].
+#[derive(Eq, PartialEq, Debug, Clone, Hash)]
pub struct SignedRawInvoice {
/// The rawInvoice that the signature belongs to
raw_invoice: RawInvoice,
- /// Hash of the `RawInvoice` that will be used to check the signature.
+ /// Hash of the [`RawInvoice`] that will be used to check the signature.
///
/// * if the `SignedRawInvoice` 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`
+ /// from the [`RawInvoice`]
hash: [u8; 32],
/// signature of the payment request
signature: InvoiceSignature,
}
-/// Represents an syntactically correct Invoice for a payment on the lightning network,
+/// Represents an syntactically correct [`Invoice`] 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)]
+/// For methods without docs see the corresponding methods in [`Invoice`].
+#[derive(Eq, PartialEq, Debug, Clone, Hash)]
pub struct RawInvoice {
/// human readable part
pub hrp: RawHrp,
pub data: RawDataPart,
}
-/// Data of the `RawInvoice` that is encoded in the human readable part
+/// Data of the [`RawInvoice`] that is encoded in the human readable part.
///
-/// (C-not exported) As we don't yet support Option<Enum>
-#[derive(Eq, PartialEq, Debug, Clone)]
+/// This is not exported to bindings users as we don't yet support `Option<Enum>`
+#[derive(Eq, PartialEq, Debug, Clone, Hash)]
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)]
+/// Data of the [`RawInvoice`] that is encoded in the data part
+#[derive(Eq, PartialEq, Debug, Clone, Hash)]
pub struct RawDataPart {
/// generation time of the invoice
pub timestamp: PositiveTimestamp,
pub tagged_fields: Vec<RawTaggedField>,
}
-/// A timestamp that refers to a date after 1 January 1970 which means its representation as UNIX
-/// timestamp is positive.
+/// A timestamp that refers to a date after 1 January 1970.
///
/// # Invariants
-/// The UNIX timestamp representing the stored time has to be positive and small enough so that
-/// a `EpiryTime` can be added to it without an overflow.
-#[derive(Eq, PartialEq, Debug, Clone)]
-pub struct PositiveTimestamp(SystemTime);
+///
+/// The Unix timestamp representing the stored time has to be positive and no greater than
+/// [`MAX_TIMESTAMP`].
+#[derive(Eq, PartialEq, Debug, Clone, Hash)]
+pub struct PositiveTimestamp(Duration);
/// SI prefixes for the human readable part
-#[derive(Eq, PartialEq, Debug, Clone, Copy)]
+#[derive(Eq, PartialEq, Debug, Clone, Copy, Hash)]
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 SiPrefix::*;
+ use crate::SiPrefix::*;
static VALUES: [SiPrefix; 4] = [Milli, Micro, Nano, Pico];
&VALUES
}
}
/// Enum representing the crypto currencies (or networks) supported by this library
-#[derive(Eq, PartialEq, Debug, Clone)]
+#[derive(Clone, Debug, Hash, Eq, PartialEq)]
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,
+ }
+ }
+}
+
+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(Eq, PartialEq, Debug, Clone)]
+/// This is not exported to bindings users as we don't currently support TaggedField
+#[derive(Clone, Debug, Hash, Eq, PartialEq)]
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(Eq, PartialEq, Debug, Clone)]
+#[derive(Clone, Debug, Hash, Eq, PartialEq)]
pub enum TaggedField {
PaymentHash(Sha256),
Description(Description),
PayeePubKey(PayeePubKey),
DescriptionHash(Sha256),
ExpiryTime(ExpiryTime),
- MinFinalCltvExpiry(MinFinalCltvExpiry),
+ MinFinalCltvExpiryDelta(MinFinalCltvExpiryDelta),
Fallback(Fallback),
PrivateRoute(PrivateRoute),
PaymentSecret(PaymentSecret),
}
/// SHA-256 hash
-#[derive(Eq, PartialEq, Debug, Clone)]
-pub struct Sha256(pub sha256::Hash);
+#[derive(Clone, Debug, Hash, Eq, PartialEq)]
+pub struct Sha256(/// This is not exported to bindings users as the native hash types are not currently mapped
+ pub sha256::Hash);
/// Description string
///
/// # Invariants
/// The description can be at most 639 __bytes__ long
-#[derive(Eq, PartialEq, Debug, Clone)]
+#[derive(Clone, Debug, Hash, Eq, PartialEq)]
pub struct Description(String);
/// Payee public key
-#[derive(Eq, PartialEq, Debug, Clone)]
+#[derive(Clone, Debug, Hash, Eq, PartialEq)]
pub struct PayeePubKey(pub PublicKey);
/// Positive duration that defines when (relatively to the timestamp) in the future the invoice
/// expires
-///
-/// # Invariants
-/// The number of seconds this expiry time represents has to be in the range
-/// `0...(SYSTEM_TIME_MAX_UNIX_TIMESTAMP - MAX_EXPIRY_TIME)` to avoid overflows when adding it to a
-/// timestamp
-#[derive(Eq, PartialEq, Debug, Clone)]
+#[derive(Clone, Debug, Hash, Eq, PartialEq)]
pub struct ExpiryTime(Duration);
-/// `min_final_cltv_expiry` to use for the last HTLC in the route
-#[derive(Eq, PartialEq, Debug, Clone)]
-pub struct MinFinalCltvExpiry(pub u64);
+/// `min_final_cltv_expiry_delta` to use for the last HTLC in the route
+#[derive(Clone, Debug, Hash, Eq, PartialEq)]
+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(Eq, PartialEq, Debug, Clone)]
+#[derive(Clone, Debug, Hash, Eq, PartialEq)]
pub enum Fallback {
SegWitProgram {
- version: u5,
+ version: WitnessVersion,
program: Vec<u8>,
},
- PubKeyHash([u8; 20]),
- ScriptHash([u8; 20]),
+ PubKeyHash(PubkeyHash),
+ ScriptHash(ScriptHash),
}
/// Recoverable signature
-#[derive(Eq, PartialEq, Debug, Clone)]
+#[derive(Clone, Debug, Hash, Eq, PartialEq)]
pub struct InvoiceSignature(pub RecoverableSignature);
/// Private routing information
/// # Invariants
/// The encoded route has to be <1024 5bit characters long (<=639 bytes or <=12 hops)
///
-#[derive(Eq, PartialEq, Debug, Clone)]
+#[derive(Clone, Debug, Hash, Eq, PartialEq)]
pub struct PrivateRoute(RouteHint);
/// Tag constants as specified in BOLT11
pub const TAG_PAYEE_PUB_KEY: u8 = 19;
pub const TAG_DESCRIPTION_HASH: u8 = 23;
pub const TAG_EXPIRY_TIME: u8 = 6;
- pub const TAG_MIN_FINAL_CLTV_EXPIRY: u8 = 24;
+ pub const TAG_MIN_FINAL_CLTV_EXPIRY_DELTA: u8 = 24;
pub const TAG_FALLBACK: u8 = 9;
pub const TAG_PRIVATE_ROUTE: u8 = 3;
pub const TAG_PAYMENT_SECRET: u8 = 16;
tagged_fields: Vec::new(),
error: None,
- phantom_d: std::marker::PhantomData,
- phantom_h: std::marker::PhantomData,
- phantom_t: std::marker::PhantomData,
- phantom_c: std::marker::PhantomData,
- phantom_s: std::marker::PhantomData,
+ phantom_d: core::marker::PhantomData,
+ phantom_h: core::marker::PhantomData,
+ phantom_t: core::marker::PhantomData,
+ phantom_c: core::marker::PhantomData,
+ phantom_s: core::marker::PhantomData,
}
}
}
tagged_fields: self.tagged_fields,
error: self.error,
- phantom_d: std::marker::PhantomData,
- phantom_h: std::marker::PhantomData,
- phantom_t: std::marker::PhantomData,
- phantom_c: std::marker::PhantomData,
- phantom_s: std::marker::PhantomData,
+ phantom_d: core::marker::PhantomData,
+ phantom_h: core::marker::PhantomData,
+ phantom_t: core::marker::PhantomData,
+ phantom_c: core::marker::PhantomData,
+ phantom_s: core::marker::PhantomData,
}
}
- /// Sets the amount in pico BTC. The optimal SI prefix is choosen automatically.
- pub fn amount_pico_btc(mut self, amount: u64) -> Self {
+ /// 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 biggest_possible_si_prefix = SiPrefix::values_desc()
.iter()
.find(|prefix| amount % prefix.multiplier() == 0)
self
}
- /// Sets the expiry time
+ /// Sets the expiry time, dropping the subsecond part (which is not representable in BOLT 11
+ /// invoices).
pub fn expiry_time(mut self, expiry_time: Duration) -> Self {
- match ExpiryTime::from_duration(expiry_time) {
- Ok(t) => self.tagged_fields.push(TaggedField::ExpiryTime(t)),
- Err(e) => self.error = Some(e),
- };
+ self.tagged_fields.push(TaggedField::ExpiryTime(ExpiryTime::from_duration(expiry_time)));
self
}
}
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.
+ /// Builds a [`RawInvoice`] if no [`CreationError`] occurred while construction any of the
+ /// fields.
pub fn build_raw(self) -> Result<RawInvoice, CreationError> {
// If an error occurred at any time before, return it now
}).collect::<Vec<_>>();
let data = RawDataPart {
- timestamp: timestamp,
- tagged_fields: tagged_fields,
+ timestamp,
+ tagged_fields,
};
Ok(RawInvoice {
- hrp: hrp,
- data: data,
+ hrp,
+ data,
})
}
}
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: InvoiceDescription) -> InvoiceBuilder<tb::True, H, T, C, S> {
+ match description {
+ InvoiceDescription::Direct(desc) => {
+ self.description(desc.clone().into_inner())
+ }
+ InvoiceDescription::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, H: tb::Bool, C: tb::Bool, S: tb::Bool> InvoiceBuilder<D, H, tb::False, C, S> {
- /// Sets the timestamp.
+ /// Sets the timestamp to a specific [`SystemTime`].
+ #[cfg(feature = "std")]
pub fn timestamp(mut self, time: SystemTime) -> InvoiceBuilder<D, H, tb::True, C, S> {
match PositiveTimestamp::from_system_time(time) {
Ok(t) => self.timestamp = Some(t),
self.set_flags()
}
- /// Sets the timestamp to the current UNIX timestamp.
+ /// 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> {
+ match PositiveTimestamp::from_duration_since_epoch(time) {
+ Ok(t) => self.timestamp = Some(t),
+ Err(e) => self.error = Some(e),
+ }
+
+ self.set_flags()
+ }
+
+ /// Sets the timestamp to the current system time.
+ #[cfg(feature = "std")]
pub fn current_timestamp(mut self) -> InvoiceBuilder<D, H, tb::True, C, S> {
let now = PositiveTimestamp::from_system_time(SystemTime::now());
self.timestamp = Some(now.expect("for the foreseeable future this shouldn't happen"));
}
impl<D: tb::Bool, H: tb::Bool, T: tb::Bool, S: tb::Bool> InvoiceBuilder<D, H, T, tb::False, S> {
- /// Sets `min_final_cltv_expiry`.
- pub fn min_final_cltv_expiry(mut self, min_final_cltv_expiry: u64) -> InvoiceBuilder<D, H, T, tb::True, S> {
- self.tagged_fields.push(TaggedField::MinFinalCltvExpiry(MinFinalCltvExpiry(min_final_cltv_expiry)));
+ /// 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> {
+ 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> {
/// Sets the payment secret and relevant features.
pub fn payment_secret(mut self, payment_secret: PaymentSecret) -> InvoiceBuilder<D, H, T, C, tb::True> {
- let features = InvoiceFeatures::empty()
- .set_variable_length_onion_required()
- .set_payment_secret_required();
+ let mut features = InvoiceFeatures::empty();
+ features.set_variable_length_onion_required();
+ features.set_payment_secret_required();
self.tagged_fields.push(TaggedField::PaymentSecret(payment_secret));
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> {
/// Sets the `basic_mpp` feature as optional.
pub fn basic_mpp(mut self) -> Self {
- self.tagged_fields = self.tagged_fields
- .drain(..)
- .map(|field| match field {
- TaggedField::Features(f) => TaggedField::Features(f.set_basic_mpp_optional()),
- _ => field,
- })
- .collect();
+ for field in self.tagged_fields.iter_mut() {
+ if let TaggedField::Features(f) = field {
+ f.set_basic_mpp_optional();
+ }
+ }
self
}
}
-impl<S: tb::Bool> InvoiceBuilder<tb::True, tb::True, tb::True, tb::True, S> {
+impl InvoiceBuilder<tb::True, tb::True, tb::True, tb::True, tb::True> {
/// 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.
invoice.check_field_counts().expect("should be ensured by type signature of builder");
invoice.check_feature_bits().expect("should be ensured by type signature of builder");
+ invoice.check_amount().expect("should be ensured by type signature of builder");
Ok(invoice)
}
(self.raw_invoice, self.hash, self.signature)
}
- /// The `RawInvoice` which was signed.
+ /// The [`RawInvoice`] which was signed.
pub fn raw_invoice(&self) -> &RawInvoice {
&self.raw_invoice
}
- /// The hash of the `RawInvoice` that was signed.
- pub fn hash(&self) -> &[u8; 32] {
+ /// The hash of the [`RawInvoice`] that was signed.
+ pub fn signable_hash(&self) -> &[u8; 32] {
&self.hash
}
- /// InvoiceSignature for the invoice.
+ /// Signature for the invoice.
pub fn signature(&self) -> &InvoiceSignature {
&self.signature
}
let hash = Message::from_slice(&self.hash[..])
.expect("Hash is 32 bytes long, same as MESSAGE_SIZE");
- Ok(PayeePubKey(Secp256k1::new().recover(
+ Ok(PayeePubKey(Secp256k1::new().recover_ecdsa(
&hash,
&self.signature
)?))
recovered_pub_key = Some(recovered);
}
- let pub_key = included_pub_key.or_else(|| recovered_pub_key.as_ref())
+ 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 secp_context = Secp256k1::new();
- let verification_result = secp_context.verify(
+ let verification_result = secp_context.verify_ecdsa(
&hash,
&self.signature.to_standard(),
pub_key
/// variant. If no element was found `None` gets returned.
///
/// The following example would extract the first B.
-/// ```
-/// use Enum::*
///
+/// ```ignore
/// enum Enum {
/// A(u8),
/// B(u16)
/// }
///
-/// let elements = vec![A(1), A(2), B(3), A(4)]
+/// let elements = vec![Enum::A(1), Enum::A(2), Enum::B(3), Enum::A(4)];
///
-/// assert_eq!(find_extract!(elements.iter(), Enum::B(ref x), x), Some(3u16))
+/// assert_eq!(find_extract!(elements.iter(), Enum::B(x), x), Some(3u16));
/// ```
macro_rules! find_extract {
($iter:expr, $enm:pat, $enm_var:ident) => {
find_all_extract!($iter, $enm, $enm_var).next()
- };
+ };
}
/// Finds the all elements of an enum stream of a given variant and extracts one member of the
/// variant through an iterator.
///
/// The following example would extract all A.
-/// ```
-/// use Enum::*
///
+/// ```ignore
/// enum Enum {
/// A(u8),
/// B(u16)
/// }
///
-/// let elements = vec![A(1), A(2), B(3), A(4)]
+/// let elements = vec![Enum::A(1), Enum::A(2), Enum::B(3), Enum::A(4)];
///
/// assert_eq!(
-/// find_all_extract!(elements.iter(), Enum::A(ref x), x).collect::<Vec<u8>>(),
-/// vec![1u8, 2u8, 4u8])
+/// find_all_extract!(elements.iter(), Enum::A(x), x).collect::<Vec<u8>>(),
+/// vec![1u8, 2u8, 4u8]
+/// );
/// ```
macro_rules! find_all_extract {
($iter:expr, $enm:pat, $enm_var:ident) => {
- $iter.filter_map(|tf| match *tf {
+ $iter.filter_map(|tf| match *tf {
$enm => Some($enm_var),
_ => None,
})
- };
+ };
}
#[allow(missing_docs)]
impl RawInvoice {
- /// Construct the invoice's HRP and signatureless data into a preimage to be hashed.
- pub(crate) fn construct_invoice_preimage(hrp_bytes: &[u8], data_without_signature: &[u5]) -> Vec<u8> {
- use bech32::FromBase32;
-
- let mut preimage = Vec::<u8>::from(hrp_bytes);
-
- let mut data_part = Vec::from(data_without_signature);
- let overhang = (data_part.len() * 5) % 8;
- if overhang > 0 {
- // add padding if data does not end at a byte boundary
- data_part.push(u5::try_from_u8(0).unwrap());
-
- // if overhang is in (1..3) we need to add u5(0) padding two times
- if overhang < 3 {
- data_part.push(u5::try_from_u8(0).unwrap());
- }
- }
-
- preimage.extend_from_slice(&Vec::<u8>::from_base32(&data_part)
- .expect("No padding error may occur due to appended zero above."));
- preimage
- }
-
/// Hash the HRP as bytes and signatureless data part.
fn hash_from_parts(hrp_bytes: &[u8], data_without_signature: &[u5]) -> [u8; 32] {
- let preimage = RawInvoice::construct_invoice_preimage(hrp_bytes, data_without_signature);
+ let preimage = construct_invoice_preimage(hrp_bytes, data_without_signature);
let mut hash: [u8; 32] = Default::default();
hash.copy_from_slice(&sha256::Hash::hash(&preimage)[..]);
hash
}
- /// Calculate the hash of the encoded `RawInvoice`
- pub fn hash(&self) -> [u8; 32] {
+ /// Calculate the hash of the encoded `RawInvoice` which should be signed.
+ pub fn signable_hash(&self) -> [u8; 32] {
use bech32::ToBase32;
RawInvoice::hash_from_parts(
)
}
- /// 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 [`SignedRawInvoice`] 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>
where F: FnOnce(&Message) -> Result<RecoverableSignature, E>
{
- let raw_hash = self.hash();
+ let raw_hash = self.signable_hash();
let hash = Message::from_slice(&raw_hash[..])
.expect("Hash is 32 bytes long, same as MESSAGE_SIZE");
let signature = sign_method(&hash)?;
/// 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::ExpiryTime(ref x), x)
}
- pub fn min_final_cltv_expiry(&self) -> Option<&MinFinalCltvExpiry> {
- find_extract!(self.known_tagged_fields(), TaggedField::MinFinalCltvExpiry(ref x), x)
+ pub fn min_final_cltv_expiry_delta(&self) -> Option<&MinFinalCltvExpiryDelta> {
+ find_extract!(self.known_tagged_fields(), TaggedField::MinFinalCltvExpiryDelta(ref x), x)
}
pub fn payment_secret(&self) -> Option<&PaymentSecret> {
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()
}
}
impl PositiveTimestamp {
- /// Create a new `PositiveTimestamp` from a unix timestamp in the Range
- /// `0...SYSTEM_TIME_MAX_UNIX_TIMESTAMP - MAX_EXPIRY_TIME`, otherwise return a
- /// `CreationError::TimestampOutOfBounds`.
+ /// Creates a `PositiveTimestamp` from a Unix timestamp in the range `0..=MAX_TIMESTAMP`.
+ ///
+ /// Otherwise, returns a [`CreationError::TimestampOutOfBounds`].
pub fn from_unix_timestamp(unix_seconds: u64) -> Result<Self, CreationError> {
- if unix_seconds > SYSTEM_TIME_MAX_UNIX_TIMESTAMP - MAX_EXPIRY_TIME {
- Err(CreationError::TimestampOutOfBounds)
+ if unix_seconds <= MAX_TIMESTAMP {
+ Ok(Self(Duration::from_secs(unix_seconds)))
} else {
- Ok(PositiveTimestamp(UNIX_EPOCH + Duration::from_secs(unix_seconds)))
+ Err(CreationError::TimestampOutOfBounds)
}
}
- /// Create a new `PositiveTimestamp` from a `SystemTime` with a corresponding unix timestamp in
- /// the Range `0...SYSTEM_TIME_MAX_UNIX_TIMESTAMP - MAX_EXPIRY_TIME`, otherwise return a
- /// `CreationError::TimestampOutOfBounds`.
+ /// Creates a `PositiveTimestamp` from a [`SystemTime`] with a corresponding Unix timestamp in
+ /// the range `0..=MAX_TIMESTAMP`.
+ ///
+ /// Note that the subsecond part is dropped as it is not representable in BOLT 11 invoices.
+ ///
+ /// Otherwise, returns a [`CreationError::TimestampOutOfBounds`].
+ #[cfg(feature = "std")]
pub fn from_system_time(time: SystemTime) -> Result<Self, CreationError> {
- if time
- .duration_since(UNIX_EPOCH)
- .map(|t| t.as_secs() <= SYSTEM_TIME_MAX_UNIX_TIMESTAMP - MAX_EXPIRY_TIME)
- .unwrap_or(true)
- {
- Ok(PositiveTimestamp(time))
- } else {
- Err(CreationError::TimestampOutOfBounds)
- }
+ time.duration_since(SystemTime::UNIX_EPOCH)
+ .map(Self::from_duration_since_epoch)
+ .unwrap_or(Err(CreationError::TimestampOutOfBounds))
}
- /// Returns the UNIX timestamp representing the stored time
- pub fn as_unix_timestamp(&self) -> u64 {
- self.0.duration_since(UNIX_EPOCH)
- .expect("ensured by type contract/constructors")
- .as_secs()
+ /// Creates a `PositiveTimestamp` from a [`Duration`] since the Unix epoch in the range
+ /// `0..=MAX_TIMESTAMP`.
+ ///
+ /// Note that the subsecond part is dropped as it is not representable in BOLT 11 invoices.
+ ///
+ /// Otherwise, returns a [`CreationError::TimestampOutOfBounds`].
+ pub fn from_duration_since_epoch(duration: Duration) -> Result<Self, CreationError> {
+ Self::from_unix_timestamp(duration.as_secs())
}
- /// Returns a reference to the internal `SystemTime` time representation
- pub fn as_time(&self) -> &SystemTime {
- &self.0
+ /// Returns the Unix timestamp representing the stored time
+ pub fn as_unix_timestamp(&self) -> u64 {
+ self.0.as_secs()
}
-}
-impl Into<SystemTime> for PositiveTimestamp {
- fn into(self) -> SystemTime {
+ /// Returns the duration of the stored time since the Unix epoch
+ pub fn as_duration_since_epoch(&self) -> Duration {
self.0
}
-}
-impl Deref for PositiveTimestamp {
- type Target = SystemTime;
+ /// Returns the [`SystemTime`] representing the stored time
+ #[cfg(feature = "std")]
+ pub fn as_time(&self) -> SystemTime {
+ SystemTime::UNIX_EPOCH + self.0
+ }
+}
- fn deref(&self) -> &Self::Target {
- &self.0
+#[cfg(feature = "std")]
+impl From<PositiveTimestamp> for SystemTime {
+ fn from(val: PositiveTimestamp) -> Self {
+ SystemTime::UNIX_EPOCH + val.0
}
}
impl Invoice {
+ /// The hash of the [`RawInvoice`] that was signed.
+ pub fn signable_hash(&self) -> [u8; 32] {
+ self.signed_invoice.hash
+ }
+
/// Transform the `Invoice` into it's unchecked version
pub fn into_signed_raw(self) -> SignedRawInvoice {
self.signed_invoice
return Err(SemanticError::MultipleDescriptions);
}
+ self.check_payment_secret()?;
+
Ok(())
}
- /// Check that feature bits are set as required
- fn check_feature_bits(&self) -> Result<(), SemanticError> {
- // "If the payment_secret feature is set, MUST include exactly one s field."
+ /// Checks that there is exactly one payment secret field
+ fn check_payment_secret(&self) -> Result<(), SemanticError> {
+ // "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 {
+ if payment_secret_count < 1 {
+ return Err(SemanticError::NoPaymentSecret);
+ } else if payment_secret_count > 1 {
return Err(SemanticError::MultiplePaymentSecrets);
}
+ Ok(())
+ }
+
+ /// Check that amount is a whole number of millisatoshis
+ fn check_amount(&self) -> Result<(), SemanticError> {
+ if let Some(amount_pico_btc) = self.amount_pico_btc() {
+ if amount_pico_btc % 10 != 0 {
+ return Err(SemanticError::ImpreciseAmount);
+ }
+ }
+ Ok(())
+ }
+
+ /// Check that feature bits are set as required
+ fn check_feature_bits(&self) -> Result<(), SemanticError> {
+ self.check_payment_secret()?;
+
// "A writer MUST set an s field if and only if the payment_secret feature is set."
- let has_payment_secret = payment_secret_count == 1;
+ // (this requirement has been since removed, and we now require the payment secret
+ // feature bit always).
let features = self.tagged_fields().find(|&tf| match *tf {
TaggedField::Features(_) => true,
_ => false,
});
match features {
- None if has_payment_secret => Err(SemanticError::InvalidFeatures),
- None => Ok(()),
+ None => Err(SemanticError::InvalidFeatures),
Some(TaggedField::Features(features)) => {
- if features.supports_payment_secret() && has_payment_secret {
- Ok(())
- } else if has_payment_secret {
+ if features.requires_unknown_bits() {
Err(SemanticError::InvalidFeatures)
- } else if features.supports_payment_secret() {
+ } else if !features.supports_payment_secret() {
Err(SemanticError::InvalidFeatures)
} else {
Ok(())
match self.signed_invoice.recover_payee_pub_key() {
Err(secp256k1::Error::InvalidRecoveryId) =>
return Err(SemanticError::InvalidRecoveryId),
- Err(_) => panic!("no other error may occur"),
+ Err(secp256k1::Error::InvalidSignature) =>
+ return Err(SemanticError::InvalidSignature),
+ Err(e) => panic!("no other error may occur, got {:?}", e),
Ok(_) => {},
}
Ok(())
}
- /// Constructs an `Invoice` from a `SignedRawInvoice` by checking all its invariants.
+ /// Constructs an `Invoice` from a [`SignedRawInvoice`] by checking all its invariants.
/// ```
/// use lightning_invoice::*;
///
/// ```
pub fn from_signed(signed_invoice: SignedRawInvoice) -> Result<Self, SemanticError> {
let invoice = Invoice {
- signed_invoice: signed_invoice,
+ signed_invoice,
};
invoice.check_field_counts()?;
invoice.check_feature_bits()?;
invoice.check_signature()?;
+ invoice.check_amount()?;
Ok(invoice)
}
- /// Returns the `Invoice`'s timestamp (should equal it's creation time)
- pub fn timestamp(&self) -> &SystemTime {
+ /// Returns the `Invoice`'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
+ 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.
///
- /// (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
+ /// This is not exported to bindings users because we don't yet export InvoiceDescription
pub fn description(&self) -> InvoiceDescription {
- if let Some(ref direct) = self.signed_invoice.description() {
+ if let Some(direct) = self.signed_invoice.description() {
return InvoiceDescription::Direct(direct);
- } else if let Some(ref hash) = self.signed_invoice.description_hash() {
+ } else if let Some(hash) = self.signed_invoice.description_hash() {
return InvoiceDescription::Hash(hash);
}
unreachable!("ensured by constructor");
}
/// Get the payment secret if one was included in the invoice
- pub fn payment_secret(&self) -> Option<&PaymentSecret> {
- self.signed_invoice.payment_secret()
+ pub fn payment_secret(&self) -> &PaymentSecret {
+ self.signed_invoice.payment_secret().expect("was checked by constructor")
}
/// Get the invoice features if they were included in the invoice
self.signed_invoice.recover_payee_pub_key().expect("was checked by constructor").0
}
+ /// 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()
.unwrap_or(Duration::from_secs(DEFAULT_EXPIRY_TIME))
}
- /// Returns the invoice's `min_final_cltv_expiry` time, if present, otherwise
- /// [`DEFAULT_MIN_FINAL_CLTV_EXPIRY`].
- pub fn min_final_cltv_expiry(&self) -> u64 {
- self.signed_invoice.min_final_cltv_expiry()
+ /// Returns whether the invoice has expired.
+ #[cfg(feature = "std")]
+ pub fn is_expired(&self) -> bool {
+ Self::is_expired_from_epoch(&self.timestamp(), self.expiry_time())
+ }
+
+ /// Returns whether the expiry time from the given epoch has passed.
+ #[cfg(feature = "std")]
+ pub(crate) fn is_expired_from_epoch(epoch: &SystemTime, expiry_time: Duration) -> bool {
+ match epoch.elapsed() {
+ Ok(elapsed) => elapsed > expiry_time,
+ Err(_) => false,
+ }
+ }
+
+ /// 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 {
+ self.duration_since_epoch()
+ .checked_add(self.expiry_time())
+ .unwrap_or_else(|| Duration::new(u64::max_value(), 1_000_000_000 - 1)) < at_time
+ }
+
+ /// Returns the invoice's `min_final_cltv_expiry_delta` time, if present, otherwise
+ /// [`DEFAULT_MIN_FINAL_CLTV_EXPIRY_DELTA`].
+ pub fn min_final_cltv_expiry_delta(&self) -> u64 {
+ self.signed_invoice.min_final_cltv_expiry_delta()
.map(|x| x.0)
- .unwrap_or(DEFAULT_MIN_FINAL_CLTV_EXPIRY)
+ .unwrap_or(DEFAULT_MIN_FINAL_CLTV_EXPIRY_DELTA)
}
/// 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().map(|fallback| {
+ let payload = match fallback {
+ Fallback::SegWitProgram { version, program } => {
+ Payload::WitnessProgram { version: *version, program: program.to_vec() }
+ }
+ Fallback::PubKeyHash(pkh) => {
+ Payload::PubkeyHash(*pkh)
+ }
+ Fallback::ScriptHash(sh) => {
+ Payload::ScriptHash(*sh)
+ }
+ };
+
+ Address { payload, network: self.network() }
+ }).collect()
+ }
+
/// Returns a list of all routes included in the invoice
pub fn private_routes(&self) -> Vec<&PrivateRoute> {
self.signed_invoice.private_routes()
}
/// Returns a list of all routes included in the invoice as the underlying hints
- pub fn route_hints(&self) -> Vec<&RouteHint> {
+ pub fn route_hints(&self) -> Vec<RouteHint> {
find_all_extract!(
self.signed_invoice.known_tagged_fields(), TaggedField::PrivateRoute(ref x), x
- ).map(|route| &**route).collect()
+ ).map(|route| (**route).clone()).collect()
}
/// Returns the currency for which the invoice was issued
self.signed_invoice.currency()
}
- /// Returns the amount if specified in the invoice as pico <currency>.
- pub fn amount_pico_btc(&self) -> Option<u64> {
+ /// 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)
+ }
+
+ /// Returns the amount if specified in the invoice as pico BTC.
+ fn amount_pico_btc(&self) -> Option<u64> {
self.signed_invoice.amount_pico_btc()
}
}
TaggedField::PayeePubKey(_) => constants::TAG_PAYEE_PUB_KEY,
TaggedField::DescriptionHash(_) => constants::TAG_DESCRIPTION_HASH,
TaggedField::ExpiryTime(_) => constants::TAG_EXPIRY_TIME,
- TaggedField::MinFinalCltvExpiry(_) => constants::TAG_MIN_FINAL_CLTV_EXPIRY,
+ TaggedField::MinFinalCltvExpiryDelta(_) => constants::TAG_MIN_FINAL_CLTV_EXPIRY_DELTA,
TaggedField::Fallback(_) => constants::TAG_FALLBACK,
TaggedField::PrivateRoute(_) => constants::TAG_PRIVATE_ROUTE,
TaggedField::PaymentSecret(_) => constants::TAG_PAYMENT_SECRET,
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> {
}
}
- /// Returns the underlying description `String`
+ /// Returns the underlying description [`String`]
pub fn into_inner(self) -> String {
self.0
}
}
-impl Into<String> for Description {
- fn into(self) -> String {
- self.into_inner()
+impl From<Description> for String {
+ fn from(val: Description) -> Self {
+ val.into_inner()
}
}
}
impl ExpiryTime {
- /// Construct an `ExpiryTime` from seconds. If there exists a `PositiveTimestamp` which would
- /// overflow on adding the `EpiryTime` to it then this function will return a
- /// `CreationError::ExpiryTimeOutOfBounds`.
- pub fn from_seconds(seconds: u64) -> Result<ExpiryTime, CreationError> {
- if seconds <= MAX_EXPIRY_TIME {
- Ok(ExpiryTime(Duration::from_secs(seconds)))
- } else {
- Err(CreationError::ExpiryTimeOutOfBounds)
- }
+ /// Construct an `ExpiryTime` from seconds.
+ pub fn from_seconds(seconds: u64) -> ExpiryTime {
+ ExpiryTime(Duration::from_secs(seconds))
}
- /// Construct an `ExpiryTime` from a `Duration`. If there exists a `PositiveTimestamp` which
- /// would overflow on adding the `EpiryTime` to it then this function will return a
- /// `CreationError::ExpiryTimeOutOfBounds`.
- pub fn from_duration(duration: Duration) -> Result<ExpiryTime, CreationError> {
- if duration.as_secs() <= MAX_EXPIRY_TIME {
- Ok(ExpiryTime(duration))
- } else {
- Err(CreationError::ExpiryTimeOutOfBounds)
- }
+ /// Construct an `ExpiryTime` from a [`Duration`], dropping the sub-second part.
+ pub fn from_duration(duration: Duration) -> ExpiryTime {
+ Self::from_seconds(duration.as_secs())
}
/// Returns the expiry time in seconds
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 Into<RouteHint> for PrivateRoute {
- fn into(self) -> RouteHint {
- self.into_inner()
+impl From<PrivateRoute> for RouteHint {
+ fn from(val: PrivateRoute) -> Self {
+ val.into_inner()
}
}
}
}
-/// Errors that may occur when constructing a new `RawInvoice` or `Invoice`
+/// Errors that may occur when constructing a new [`RawInvoice`] or [`Invoice`]
#[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
RouteTooLong,
- /// The unix timestamp of the supplied date is <0 or can't be represented as `SystemTime`
+ /// The Unix timestamp of the supplied date is less than zero or greater than 35-bits
TimestampOutOfBounds,
- /// The supplied expiry time could cause an overflow if added to a `PositiveTimestamp`
- ExpiryTimeOutOfBounds,
+ /// The supplied millisatoshi amount was greater than the total bitcoin supply.
+ InvalidAmount,
+
+ /// Route hints were required for this invoice and were missing. Applies to
+ /// [phantom invoices].
+ ///
+ /// [phantom invoices]: crate::utils::create_phantom_invoice
+ MissingRouteHints,
+
+ /// The provided `min_final_cltv_expiry_delta` was less than [`MIN_FINAL_CLTV_EXPIRY_DELTA`].
+ ///
+ /// [`MIN_FINAL_CLTV_EXPIRY_DELTA`]: lightning::ln::channelmanager::MIN_FINAL_CLTV_EXPIRY_DELTA
+ MinFinalCltvExpiryDeltaTooShort,
}
impl Display for CreationError {
match self {
CreationError::DescriptionTooLong => f.write_str("The supplied description string was longer than 639 bytes"),
CreationError::RouteTooLong => f.write_str("The specified route has too many hops and can't be encoded"),
- CreationError::TimestampOutOfBounds => f.write_str("The unix timestamp of the supplied date is <0 or can't be represented as `SystemTime`"),
- CreationError::ExpiryTimeOutOfBounds => f.write_str("The supplied expiry time could cause an overflow if added to a `PositiveTimestamp`"),
+ CreationError::TimestampOutOfBounds => f.write_str("The Unix timestamp of the supplied date is less than zero or greater than 35-bits"),
+ CreationError::InvalidAmount => f.write_str("The supplied millisatoshi amount was greater than the total bitcoin supply"),
+ CreationError::MissingRouteHints => f.write_str("The invoice required route hints and they weren't provided"),
+ CreationError::MinFinalCltvExpiryDeltaTooShort => f.write_str(
+ "The supplied final CLTV expiry delta was less than LDK's `MIN_FINAL_CLTV_EXPIRY_DELTA`"),
}
}
}
+#[cfg(feature = "std")]
impl std::error::Error for CreationError { }
-/// Errors that may occur when converting a `RawInvoice` to an `Invoice`. They relate to the
+/// Errors that may occur when converting a [`RawInvoice`] to an [`Invoice`]. They relate to the
/// requirements sections in BOLT #11
#[derive(Eq, PartialEq, Debug, Clone)]
pub enum SemanticError {
/// The invoice contains multiple descriptions and/or description hashes which isn't allowed
MultipleDescriptions,
+ /// The invoice is missing the mandatory payment secret, which all modern lightning nodes
+ /// should provide.
+ NoPaymentSecret,
+
/// The invoice contains multiple payment secrets
MultiplePaymentSecrets,
/// The invoice's signature is invalid
InvalidSignature,
+
+ /// The invoice's amount was not a whole number of millisatoshis
+ ImpreciseAmount,
}
impl Display for SemanticError {
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"),
}
}
}
+#[cfg(feature = "std")]
impl std::error::Error for SemanticError { }
-/// 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 {
+ 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> {
+ let bolt11 = String::deserialize(deserializer)?
+ .parse::<Invoice>()
+ .map_err(|e| D::Error::custom(alloc::format!("{:?}", e)))?;
+
+ Ok(bolt11)
+ }
+}
+
#[cfg(test)]
mod test {
+ use bitcoin::Script;
use bitcoin_hashes::hex::FromHex;
use bitcoin_hashes::sha256;
#[test]
fn test_system_time_bounds_assumptions() {
- ::check_platform();
-
- assert_eq!(
- ::PositiveTimestamp::from_unix_timestamp(::SYSTEM_TIME_MAX_UNIX_TIMESTAMP + 1),
- Err(::CreationError::TimestampOutOfBounds)
- );
-
- assert_eq!(
- ::ExpiryTime::from_seconds(::MAX_EXPIRY_TIME + 1),
- Err(::CreationError::ExpiryTimeOutOfBounds)
- );
+ assert_eq!(
+ crate::PositiveTimestamp::from_unix_timestamp(crate::MAX_TIMESTAMP + 1),
+ Err(crate::CreationError::TimestampOutOfBounds)
+ );
}
#[test]
fn test_calc_invoice_hash() {
- use ::{RawInvoice, RawHrp, RawDataPart, Currency, PositiveTimestamp};
- use ::TaggedField::*;
+ use crate::{RawInvoice, RawHrp, RawDataPart, Currency, PositiveTimestamp};
+ use crate::TaggedField::*;
let invoice = RawInvoice {
hrp: RawHrp {
data: RawDataPart {
timestamp: PositiveTimestamp::from_unix_timestamp(1496314658).unwrap(),
tagged_fields: vec![
- PaymentHash(::Sha256(sha256::Hash::from_hex(
+ PaymentHash(crate::Sha256(sha256::Hash::from_hex(
"0001020304050607080900010203040506070809000102030405060708090102"
).unwrap())).into(),
- Description(::Description::new(
+ Description(crate::Description::new(
"Please consider supporting this project".to_owned()
).unwrap()).into(),
],
0xd5, 0x18, 0xe1, 0xc9
];
- assert_eq!(invoice.hash(), expected_hash)
+ assert_eq!(invoice.signable_hash(), expected_hash)
}
#[test]
fn test_check_signature() {
- use TaggedField::*;
+ use crate::TaggedField::*;
use secp256k1::Secp256k1;
- use secp256k1::recovery::{RecoveryId, RecoverableSignature};
- use secp256k1::key::{SecretKey, PublicKey};
- use {SignedRawInvoice, InvoiceSignature, RawInvoice, RawHrp, RawDataPart, Currency, Sha256,
+ use secp256k1::ecdsa::{RecoveryId, RecoverableSignature};
+ use secp256k1::{SecretKey, PublicKey};
+ use crate::{SignedRawInvoice, InvoiceSignature, RawInvoice, RawHrp, RawDataPart, Currency, Sha256,
PositiveTimestamp};
let invoice = SignedRawInvoice {
"0001020304050607080900010203040506070809000102030405060708090102"
).unwrap())).into(),
Description(
- ::Description::new(
+ crate::Description::new(
"Please consider supporting this project".to_owned()
).unwrap()
).into(),
).unwrap();
let public_key = PublicKey::from_secret_key(&Secp256k1::new(), &private_key);
- assert_eq!(invoice.recover_payee_pub_key(), Ok(::PayeePubKey(public_key)));
+ assert_eq!(invoice.recover_payee_pub_key(), Ok(crate::PayeePubKey(public_key)));
let (raw_invoice, _, _) = invoice.into_parts();
let new_signed = raw_invoice.sign::<_, ()>(|hash| {
- Ok(Secp256k1::new().sign_recoverable(hash, &private_key))
+ Ok(Secp256k1::new().sign_ecdsa_recoverable(hash, &private_key))
}).unwrap();
assert!(new_signed.check_signature());
#[test]
fn test_check_feature_bits() {
- use TaggedField::*;
+ use crate::TaggedField::*;
use lightning::ln::features::InvoiceFeatures;
use secp256k1::Secp256k1;
- use secp256k1::key::SecretKey;
- use {RawInvoice, RawHrp, RawDataPart, Currency, Sha256, PositiveTimestamp, Invoice,
+ use secp256k1::SecretKey;
+ use crate::{RawInvoice, RawHrp, RawDataPart, Currency, Sha256, PositiveTimestamp, Invoice,
SemanticError};
let private_key = SecretKey::from_slice(&[42; 32]).unwrap();
"0001020304050607080900010203040506070809000102030405060708090102"
).unwrap())).into(),
Description(
- ::Description::new(
+ crate::Description::new(
"Please consider supporting this project".to_owned()
).unwrap()
).into(),
let invoice = {
let mut invoice = invoice_template.clone();
invoice.data.tagged_fields.push(PaymentSecret(payment_secret).into());
- invoice.sign::<_, ()>(|hash| Ok(Secp256k1::new().sign_recoverable(hash, &private_key)))
+ invoice.sign::<_, ()>(|hash| Ok(Secp256k1::new().sign_ecdsa_recoverable(hash, &private_key)))
}.unwrap();
assert_eq!(Invoice::from_signed(invoice), Err(SemanticError::InvalidFeatures));
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.sign::<_, ()>(|hash| Ok(Secp256k1::new().sign_recoverable(hash, &private_key)))
+ invoice.sign::<_, ()>(|hash| Ok(Secp256k1::new().sign_ecdsa_recoverable(hash, &private_key)))
}.unwrap();
assert_eq!(Invoice::from_signed(invoice), Err(SemanticError::InvalidFeatures));
+ let mut payment_secret_features = InvoiceFeatures::empty();
+ payment_secret_features.set_payment_secret_required();
+
// Including payment secret and 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::known()).into());
- invoice.sign::<_, ()>(|hash| Ok(Secp256k1::new().sign_recoverable(hash, &private_key)))
+ 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());
// No payment secret or features
let invoice = {
let invoice = invoice_template.clone();
- invoice.sign::<_, ()>(|hash| Ok(Secp256k1::new().sign_recoverable(hash, &private_key)))
+ invoice.sign::<_, ()>(|hash| Ok(Secp256k1::new().sign_ecdsa_recoverable(hash, &private_key)))
}.unwrap();
- assert!(Invoice::from_signed(invoice).is_ok());
+ assert_eq!(Invoice::from_signed(invoice), Err(SemanticError::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.sign::<_, ()>(|hash| Ok(Secp256k1::new().sign_recoverable(hash, &private_key)))
+ invoice.sign::<_, ()>(|hash| Ok(Secp256k1::new().sign_ecdsa_recoverable(hash, &private_key)))
}.unwrap();
- assert!(Invoice::from_signed(invoice).is_ok());
+ assert_eq!(Invoice::from_signed(invoice), Err(SemanticError::NoPaymentSecret));
// Missing payment secret
let invoice = {
let mut invoice = invoice_template.clone();
- invoice.data.tagged_fields.push(Features(InvoiceFeatures::known()).into());
- invoice.sign::<_, ()>(|hash| Ok(Secp256k1::new().sign_recoverable(hash, &private_key)))
+ 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::InvalidFeatures));
+ assert_eq!(Invoice::from_signed(invoice), Err(SemanticError::NoPaymentSecret));
// Multiple payment secrets
let invoice = {
- let mut invoice = invoice_template.clone();
+ let mut invoice = invoice_template;
invoice.data.tagged_fields.push(PaymentSecret(payment_secret).into());
invoice.data.tagged_fields.push(PaymentSecret(payment_secret).into());
- invoice.sign::<_, ()>(|hash| Ok(Secp256k1::new().sign_recoverable(hash, &private_key)))
+ invoice.sign::<_, ()>(|hash| Ok(Secp256k1::new().sign_ecdsa_recoverable(hash, &private_key)))
}.unwrap();
assert_eq!(Invoice::from_signed(invoice), Err(SemanticError::MultiplePaymentSecrets));
}
#[test]
fn test_builder_amount() {
- use ::*;
+ use crate::*;
let builder = InvoiceBuilder::new(Currency::Bitcoin)
.description("Test".into())
.payment_hash(sha256::Hash::from_slice(&[0;32][..]).unwrap())
- .current_timestamp();
+ .duration_since_epoch(Duration::from_secs(1234567));
let invoice = builder.clone()
- .amount_pico_btc(15000)
+ .amount_milli_satoshis(1500)
.build_raw()
.unwrap();
assert_eq!(invoice.hrp.raw_amount, Some(15));
- let invoice = builder.clone()
- .amount_pico_btc(1500)
+ let invoice = builder
+ .amount_milli_satoshis(150)
.build_raw()
.unwrap();
#[test]
fn test_builder_fail() {
- use ::*;
+ use crate::*;
use lightning::routing::router::RouteHintHop;
use std::iter::FromIterator;
- use secp256k1::key::PublicKey;
+ use secp256k1::PublicKey;
let builder = InvoiceBuilder::new(Currency::Bitcoin)
.payment_hash(sha256::Hash::from_slice(&[0;32][..]).unwrap())
- .current_timestamp()
- .min_final_cltv_expiry(144);
+ .duration_since_epoch(Duration::from_secs(1234567))
+ .min_final_cltv_expiry_delta(144);
let too_long_string = String::from_iter(
(0..1024).map(|_| '?')
.build_raw();
assert_eq!(long_route_res, Err(CreationError::RouteTooLong));
- let sign_error_res = builder.clone()
+ let sign_error_res = builder
.description("Test".into())
+ .payment_secret(PaymentSecret([0; 32]))
.try_build_signed(|_| {
Err("ImaginaryError")
});
#[test]
fn test_builder_ok() {
- use ::*;
+ use crate::*;
use lightning::routing::router::RouteHintHop;
use secp256k1::Secp256k1;
- use secp256k1::key::{SecretKey, PublicKey};
+ use secp256k1::{SecretKey, PublicKey};
use std::time::{UNIX_EPOCH, Duration};
let secp_ctx = Secp256k1::new();
let route_1 = RouteHint(vec![
RouteHintHop {
- src_node_id: public_key.clone(),
+ src_node_id: public_key,
short_channel_id: de::parse_int_be(&[123; 8], 256).expect("short chan ID slice too big?"),
fees: RoutingFees {
base_msat: 2,
htlc_maximum_msat: None,
},
RouteHintHop {
- src_node_id: public_key.clone(),
+ src_node_id: public_key,
short_channel_id: de::parse_int_be(&[42; 8], 256).expect("short chan ID slice too big?"),
fees: RoutingFees {
base_msat: 3,
let route_2 = RouteHint(vec![
RouteHintHop {
- src_node_id: public_key.clone(),
+ src_node_id: public_key,
short_channel_id: 0,
fees: RoutingFees {
base_msat: 4,
htlc_maximum_msat: None,
},
RouteHintHop {
- src_node_id: public_key.clone(),
+ src_node_id: public_key,
short_channel_id: de::parse_int_be(&[1; 8], 256).expect("short chan ID slice too big?"),
fees: RoutingFees {
base_msat: 5,
]);
let builder = InvoiceBuilder::new(Currency::BitcoinTestnet)
- .amount_pico_btc(123)
- .timestamp(UNIX_EPOCH + Duration::from_secs(1234567))
- .payee_pub_key(public_key.clone())
+ .amount_milli_satoshis(123)
+ .duration_since_epoch(Duration::from_secs(1234567))
+ .payee_pub_key(public_key)
.expiry_time(Duration::from_secs(54321))
- .min_final_cltv_expiry(144)
- .fallback(Fallback::PubKeyHash([0;20]))
+ .min_final_cltv_expiry_delta(144)
+ .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())
.basic_mpp();
let invoice = builder.clone().build_signed(|hash| {
- secp_ctx.sign_recoverable(hash, &private_key)
+ secp_ctx.sign_ecdsa_recoverable(hash, &private_key)
}).unwrap();
assert!(invoice.check_signature().is_ok());
assert_eq!(invoice.tagged_fields().count(), 10);
- assert_eq!(invoice.amount_pico_btc(), Some(123));
+ assert_eq!(invoice.amount_milli_satoshis(), Some(123));
+ assert_eq!(invoice.amount_pico_btc(), Some(1230));
assert_eq!(invoice.currency(), Currency::BitcoinTestnet);
+ #[cfg(feature = "std")]
assert_eq!(
invoice.timestamp().duration_since(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(), 144);
- assert_eq!(invoice.fallbacks(), vec![&Fallback::PubKeyHash([0;20])]);
+ assert_eq!(invoice.min_final_cltv_expiry_delta(), 144);
+ assert_eq!(invoice.fallbacks(), vec![&Fallback::PubKeyHash(PubkeyHash::from_slice(&[0;20]).unwrap())]);
+ let address = Address::from_script(&Script::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()))
);
assert_eq!(invoice.payment_hash(), &sha256::Hash::from_slice(&[21;32][..]).unwrap());
- assert_eq!(invoice.payment_secret(), Some(&PaymentSecret([42; 32])));
- assert_eq!(invoice.features(), Some(&InvoiceFeatures::known()));
+ assert_eq!(invoice.payment_secret(), &PaymentSecret([42; 32]));
+
+ let mut expected_features = InvoiceFeatures::empty();
+ expected_features.set_variable_length_onion_required();
+ expected_features.set_payment_secret_required();
+ expected_features.set_basic_mpp_optional();
+ assert_eq!(invoice.features(), Some(&expected_features));
let raw_invoice = builder.build_raw().unwrap();
assert_eq!(raw_invoice, *invoice.into_signed_raw().raw_invoice())
#[test]
fn test_default_values() {
- use ::*;
+ use crate::*;
use secp256k1::Secp256k1;
- use secp256k1::key::SecretKey;
+ use secp256k1::SecretKey;
let signed_invoice = InvoiceBuilder::new(Currency::Bitcoin)
.description("Test".into())
.payment_hash(sha256::Hash::from_slice(&[0;32][..]).unwrap())
- .current_timestamp()
+ .payment_secret(PaymentSecret([0; 32]))
+ .duration_since_epoch(Duration::from_secs(1234567))
.build_raw()
.unwrap()
.sign::<_, ()>(|hash| {
let privkey = SecretKey::from_slice(&[41; 32]).unwrap();
let secp_ctx = Secp256k1::new();
- Ok(secp_ctx.sign_recoverable(hash, &privkey))
+ Ok(secp_ctx.sign_ecdsa_recoverable(hash, &privkey))
})
.unwrap();
let invoice = Invoice::from_signed(signed_invoice).unwrap();
- assert_eq!(invoice.min_final_cltv_expiry(), DEFAULT_MIN_FINAL_CLTV_EXPIRY);
+ 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));
+ assert!(!invoice.would_expire(Duration::from_secs(1234568)));
+ }
+
+ #[test]
+ fn test_expiration() {
+ use crate::*;
+ use secp256k1::Secp256k1;
+ use secp256k1::SecretKey;
+
+ let signed_invoice = InvoiceBuilder::new(Currency::Bitcoin)
+ .description("Test".into())
+ .payment_hash(sha256::Hash::from_slice(&[0;32][..]).unwrap())
+ .payment_secret(PaymentSecret([0; 32]))
+ .duration_since_epoch(Duration::from_secs(1234567))
+ .build_raw()
+ .unwrap()
+ .sign::<_, ()>(|hash| {
+ let privkey = SecretKey::from_slice(&[41; 32]).unwrap();
+ let secp_ctx = Secp256k1::new();
+ Ok(secp_ctx.sign_ecdsa_recoverable(hash, &privkey))
+ })
+ .unwrap();
+ let invoice = Invoice::from_signed(signed_invoice).unwrap();
+
+ assert!(invoice.would_expire(Duration::from_secs(1234567 + DEFAULT_EXPIRY_TIME + 1)));
+ }
+
+ #[cfg(feature = "serde")]
+ #[test]
+ fn test_serde() {
+ let invoice_str = "lnbc100p1psj9jhxdqud3jxktt5w46x7unfv9kz6mn0v3jsnp4q0d3p2sfluzdx45tqcs\
+ h2pu5qc7lgq0xs578ngs6s0s68ua4h7cvspp5q6rmq35js88zp5dvwrv9m459tnk2zunwj5jalqtyxqulh0l\
+ 5gflssp5nf55ny5gcrfl30xuhzj3nphgj27rstekmr9fw3ny5989s300gyus9qyysgqcqpcrzjqw2sxwe993\
+ h5pcm4dxzpvttgza8zhkqxpgffcrf5v25nwpr3cmfg7z54kuqq8rgqqqqqqqq2qqqqq9qq9qrzjqd0ylaqcl\
+ j9424x9m8h2vcukcgnm6s56xfgu3j78zyqzhgs4hlpzvznlugqq9vsqqqqqqqlgqqqqqeqq9qrzjqwldmj9d\
+ ha74df76zhx6l9we0vjdquygcdt3kssupehe64g6yyp5yz5rhuqqwccqqyqqqqlgqqqqjcqq9qrzjqf9e58a\
+ guqr0rcun0ajlvmzq3ek63cw2w282gv3z5uupmuwvgjtq2z55qsqqg6qqqyqqqrtnqqqzq3cqygrzjqvphms\
+ ywntrrhqjcraumvc4y6r8v4z5v593trte429v4hredj7ms5z52usqq9ngqqqqqqqlgqqqqqqgq9qrzjq2v0v\
+ p62g49p7569ev48cmulecsxe59lvaw3wlxm7r982zxa9zzj7z5l0cqqxusqqyqqqqlgqqqqqzsqygarl9fh3\
+ 8s0gyuxjjgux34w75dnc6xp2l35j7es3jd4ugt3lu0xzre26yg5m7ke54n2d5sym4xcmxtl8238xxvw5h5h5\
+ j5r6drg6k6zcqj0fcwg";
+ let invoice = invoice_str.parse::<super::Invoice>().unwrap();
+ let serialized_invoice = serde_json::to_string(&invoice).unwrap();
+ let deserialized_invoice: super::Invoice = 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('\"'));
}
}
projects / rust-lightning / blobdiff