) -> Result<Self, SemanticError> {
let amount_msats = match invoice_request.amount_msats() {
Some(amount_msats) => amount_msats,
- None => match invoice_request.contents.offer.amount() {
+ None => match invoice_request.contents.inner.offer.amount() {
Some(Amount::Bitcoin { amount_msats }) => {
- amount_msats * invoice_request.quantity().unwrap_or(1)
+ amount_msats.checked_mul(invoice_request.quantity().unwrap_or(1))
+ .ok_or(SemanticError::InvalidAmount)?
},
Some(Amount::Currency { .. }) => return Err(SemanticError::UnsupportedCurrency),
None => return Err(SemanticError::MissingAmount),
fields: InvoiceFields {
payment_paths, created_at, relative_expiry: None, payment_hash, amount_msats,
fallbacks: None, features: Bolt12InvoiceFeatures::empty(),
- signing_pubkey: invoice_request.contents.offer.signing_pubkey(),
+ signing_pubkey: invoice_request.contents.inner.offer.signing_pubkey(),
},
};
/// [`Offer`]: crate::offers::offer::Offer
/// [`Refund`]: crate::offers::refund::Refund
/// [`InvoiceRequest`]: crate::offers::invoice_request::InvoiceRequest
-#[derive(Clone, Debug, PartialEq)]
+#[derive(Clone, Debug)]
+#[cfg_attr(test, derive(PartialEq))]
pub struct Invoice {
bytes: Vec<u8>,
contents: InvoiceContents,
///
/// [`Offer`]: crate::offers::offer::Offer
/// [`Refund`]: crate::offers::refund::Refund
-#[derive(Clone, Debug, PartialEq)]
+#[derive(Clone, Debug)]
+#[cfg_attr(test, derive(PartialEq))]
enum InvoiceContents {
/// Contents for an [`Invoice`] corresponding to an [`Offer`].
///
self.signature
}
+ /// Hash that was used for signing the invoice.
+ pub fn signable_hash(&self) -> [u8; 32] {
+ merkle::message_digest(SIGNATURE_TAG, &self.bytes).as_ref().clone()
+ }
+
#[cfg(test)]
fn as_tlv_stream(&self) -> FullInvoiceTlvStreamRef {
let (payer_tlv_stream, offer_tlv_stream, invoice_request_tlv_stream, invoice_tlv_stream) =
#[cfg(feature = "std")]
fn is_offer_or_refund_expired(&self) -> bool {
match self {
- InvoiceContents::ForOffer { invoice_request, .. } => invoice_request.offer.is_expired(),
+ InvoiceContents::ForOffer { invoice_request, .. } =>
+ invoice_request.inner.offer.is_expired(),
InvoiceContents::ForRefund { refund, .. } => refund.is_expired(),
}
}
#[cfg(test)]
mod tests {
- use super::{DEFAULT_RELATIVE_EXPIRY, BlindedPayInfo, FallbackAddress, FullInvoiceTlvStreamRef, Invoice, InvoiceTlvStreamRef, SIGNATURE_TAG};
+ use super::{DEFAULT_RELATIVE_EXPIRY, FallbackAddress, FullInvoiceTlvStreamRef, Invoice, InvoiceTlvStreamRef, SIGNATURE_TAG};
use bitcoin::blockdata::script::Script;
use bitcoin::hashes::Hash;
use bitcoin::network::constants::Network;
- use bitcoin::secp256k1::{KeyPair, Message, PublicKey, Secp256k1, SecretKey, XOnlyPublicKey, self};
- use bitcoin::secp256k1::schnorr::Signature;
+ use bitcoin::secp256k1::{Message, Secp256k1, XOnlyPublicKey, self};
use bitcoin::util::address::{Address, Payload, WitnessVersion};
use bitcoin::util::schnorr::TweakedPublicKey;
- use core::convert::{Infallible, TryFrom};
+ use core::convert::TryFrom;
use core::time::Duration;
- use crate::ln::PaymentHash;
use crate::ln::msgs::DecodeError;
- use crate::ln::features::{BlindedHopFeatures, Bolt12InvoiceFeatures};
+ use crate::ln::features::Bolt12InvoiceFeatures;
use crate::offers::invoice_request::InvoiceRequestTlvStreamRef;
use crate::offers::merkle::{SignError, SignatureTlvStreamRef, self};
- use crate::offers::offer::{OfferBuilder, OfferTlvStreamRef};
+ use crate::offers::offer::{OfferBuilder, OfferTlvStreamRef, Quantity};
use crate::offers::parse::{ParseError, SemanticError};
use crate::offers::payer::PayerTlvStreamRef;
use crate::offers::refund::RefundBuilder;
- use crate::onion_message::{BlindedHop, BlindedPath};
+ use crate::offers::test_utils::*;
use crate::util::ser::{BigSize, Iterable, Writeable};
- fn payer_keys() -> KeyPair {
- let secp_ctx = Secp256k1::new();
- KeyPair::from_secret_key(&secp_ctx, &SecretKey::from_slice(&[42; 32]).unwrap())
- }
-
- fn payer_sign(digest: &Message) -> Result<Signature, Infallible> {
- let secp_ctx = Secp256k1::new();
- let keys = KeyPair::from_secret_key(&secp_ctx, &SecretKey::from_slice(&[42; 32]).unwrap());
- Ok(secp_ctx.sign_schnorr_no_aux_rand(digest, &keys))
- }
-
- fn payer_pubkey() -> PublicKey {
- payer_keys().public_key()
- }
-
- fn recipient_keys() -> KeyPair {
- let secp_ctx = Secp256k1::new();
- KeyPair::from_secret_key(&secp_ctx, &SecretKey::from_slice(&[43; 32]).unwrap())
- }
-
- fn recipient_sign(digest: &Message) -> Result<Signature, Infallible> {
- let secp_ctx = Secp256k1::new();
- let keys = KeyPair::from_secret_key(&secp_ctx, &SecretKey::from_slice(&[43; 32]).unwrap());
- Ok(secp_ctx.sign_schnorr_no_aux_rand(digest, &keys))
- }
-
- fn recipient_pubkey() -> PublicKey {
- recipient_keys().public_key()
- }
-
- fn pubkey(byte: u8) -> PublicKey {
- let secp_ctx = Secp256k1::new();
- PublicKey::from_secret_key(&secp_ctx, &privkey(byte))
- }
-
- fn privkey(byte: u8) -> SecretKey {
- SecretKey::from_slice(&[byte; 32]).unwrap()
- }
-
trait ToBytes {
fn to_bytes(&self) -> Vec<u8>;
}
}
}
- fn payment_paths() -> Vec<(BlindedPath, BlindedPayInfo)> {
- let paths = vec![
- BlindedPath {
- introduction_node_id: pubkey(40),
- blinding_point: pubkey(41),
- blinded_hops: vec![
- BlindedHop { blinded_node_id: pubkey(43), encrypted_payload: vec![0; 43] },
- BlindedHop { blinded_node_id: pubkey(44), encrypted_payload: vec![0; 44] },
- ],
- },
- BlindedPath {
- introduction_node_id: pubkey(40),
- blinding_point: pubkey(41),
- blinded_hops: vec![
- BlindedHop { blinded_node_id: pubkey(45), encrypted_payload: vec![0; 45] },
- BlindedHop { blinded_node_id: pubkey(46), encrypted_payload: vec![0; 46] },
- ],
- },
- ];
-
- let payinfo = vec![
- BlindedPayInfo {
- fee_base_msat: 1,
- fee_proportional_millionths: 1_000,
- cltv_expiry_delta: 42,
- htlc_minimum_msat: 100,
- htlc_maximum_msat: 1_000_000_000_000,
- features: BlindedHopFeatures::empty(),
- },
- BlindedPayInfo {
- fee_base_msat: 1,
- fee_proportional_millionths: 1_000,
- cltv_expiry_delta: 42,
- htlc_minimum_msat: 100,
- htlc_maximum_msat: 1_000_000_000_000,
- features: BlindedHopFeatures::empty(),
- },
- ];
-
- paths.into_iter().zip(payinfo.into_iter()).collect()
- }
-
- fn payment_hash() -> PaymentHash {
- PaymentHash([42; 32])
- }
-
- fn now() -> Duration {
- std::time::SystemTime::now()
- .duration_since(std::time::SystemTime::UNIX_EPOCH)
- .expect("SystemTime::now() should come after SystemTime::UNIX_EPOCH")
- }
-
#[test]
fn builds_invoice_for_offer_with_defaults() {
let payment_paths = payment_paths();
).is_ok()
);
+ let digest = Message::from_slice(&invoice.signable_hash()).unwrap();
+ let pubkey = recipient_pubkey().into();
+ let secp_ctx = Secp256k1::verification_only();
+ assert!(secp_ctx.verify_schnorr(&invoice.signature, &digest, &pubkey).is_ok());
+
assert_eq!(
invoice.as_tlv_stream(),
(
assert_eq!(tlv_stream.amount, Some(1001));
}
+ #[test]
+ fn builds_invoice_with_quantity_from_request() {
+ let invoice = OfferBuilder::new("foo".into(), recipient_pubkey())
+ .amount_msats(1000)
+ .supported_quantity(Quantity::Unbounded)
+ .build().unwrap()
+ .request_invoice(vec![1; 32], payer_pubkey()).unwrap()
+ .quantity(2).unwrap()
+ .build().unwrap()
+ .sign(payer_sign).unwrap()
+ .respond_with_no_std(payment_paths(), payment_hash(), now()).unwrap()
+ .build().unwrap()
+ .sign(recipient_sign).unwrap();
+ let (_, _, _, tlv_stream, _) = invoice.as_tlv_stream();
+ assert_eq!(invoice.amount_msats(), 2000);
+ assert_eq!(tlv_stream.amount, Some(2000));
+
+ match OfferBuilder::new("foo".into(), recipient_pubkey())
+ .amount_msats(1000)
+ .supported_quantity(Quantity::Unbounded)
+ .build().unwrap()
+ .request_invoice(vec![1; 32], payer_pubkey()).unwrap()
+ .quantity(u64::max_value()).unwrap()
+ .build_unchecked()
+ .sign(payer_sign).unwrap()
+ .respond_with_no_std(payment_paths(), payment_hash(), now())
+ {
+ Ok(_) => panic!("expected error"),
+ Err(e) => assert_eq!(e, SemanticError::InvalidAmount),
+ }
+ }
+
#[test]
fn builds_invoice_with_fallback_address() {
let script = Script::new();
projects / rust-lightning / blobdiff