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Merge pull request #3549 from lightning-signer/2025-01-invoice-base32

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RawBolt11Invoice serialization utilities
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Matt Corallo 2025-01-27 18:28:55 +00:00 • committed by GitHub
commit 39ff6025cd
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1 changed files with 20 additions and 3 deletions
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23
lightning-invoice/src/lib.rs
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@ -48,6 +48,7 @@ use core::iter::FilterMap;
use core::num::ParseIntError; use core::num::ParseIntError;
use core::ops::Deref; use core::ops::Deref;
use core::slice::Iter; use core::slice::Iter;
use core::str::FromStr;
use core::time::Duration; use core::time::Duration;
#[cfg(feature = "serde")] #[cfg(feature = "serde")]
@ -78,8 +79,12 @@ use crate::prelude::*;
/// Re-export serialization traits /// Re-export serialization traits
#[cfg(fuzzing)] #[cfg(fuzzing)]
pub use crate::de::FromBase32; pub use crate::de::FromBase32;
#[cfg(not(fuzzing))]
use crate::de::FromBase32;
#[cfg(fuzzing)] #[cfg(fuzzing)]
pub use crate::ser::Base32Iterable; pub use crate::ser::Base32Iterable;
#[cfg(not(fuzzing))]
use crate::ser::Base32Iterable;
/// Errors that indicate what is wrong with the invoice. They have some granularity for debug /// 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. /// reasons, but should generally result in an "invalid BOLT11 invoice" message for the user.
@ -1086,9 +1091,6 @@ impl RawBolt11Invoice {
/// Calculate the hash of the encoded `RawBolt11Invoice` which should be signed. /// Calculate the hash of the encoded `RawBolt11Invoice` which should be signed.
pub fn signable_hash(&self) -> [u8; 32] { pub fn signable_hash(&self) -> [u8; 32] {
#[cfg(not(fuzzing))]
use crate::ser::Base32Iterable;
Self::hash_from_parts(self.hrp.to_string().as_bytes(), self.data.fe_iter()) Self::hash_from_parts(self.hrp.to_string().as_bytes(), self.data.fe_iter())
} }
@ -1189,6 +1191,21 @@ impl RawBolt11Invoice {
pub fn currency(&self) -> Currency { pub fn currency(&self) -> Currency {
self.hrp.currency.clone() self.hrp.currency.clone()
} }
/// Convert to HRP prefix and Fe32 encoded data part.
/// Can be used to transmit unsigned invoices for remote signing.
pub fn to_raw(&self) -> (String, Vec<Fe32>) {
(self.hrp.to_string(), self.data.fe_iter().collect())
}
/// Convert from HRP prefix and Fe32 encoded data part.
/// Can be used to receive unsigned invoices for remote signing.
pub fn from_raw(hrp: &str, data: &[Fe32]) -> Result<Self, Bolt11ParseError> {
let raw_hrp: RawHrp = RawHrp::from_str(hrp)?;
let data_part = RawDataPart::from_base32(data)?;
Ok(Self { hrp: raw_hrp, data: data_part })
}
} }
impl PositiveTimestamp { impl PositiveTimestamp {